JP4884437B2 - Sluice equipment - Google Patents

Description

  The present invention relates to a sluice facility for opening and closing a water channel.

  Conventionally, roller gates and slide gates are known as sluice gate facilities for opening and closing water channels. As shown in FIG. 14 (a), these sluice facilities include a door body 150 for opening and closing the water channel W, a shaft body 151 extending (upward) from one end (upper end) of the door body 150, A guide unit 152 for guiding the shaft body 151 in the axial direction, and the door body 150 moves in the axial direction of the shaft body 151 to change the position between an open position A for opening the water channel W and a closed position B for closing the water channel W. It is configured as follows.

  In this kind of sluice facility, the shaft body 151 is constituted by a screw rod, and a guide body in which the guide means 152 is screwed to the shaft body 151 in a state of being rotatable around the shaft body 151, and the guide body. A rotating mechanism for rotating the shaft body 151 around the shaft body 151, and by rotating the guide body by the rotating mechanism, the door body 150 is moved in the axial direction together with the shaft body 151, that is, the shaft body 151 and the guide means 152 function as a moving means for moving the door body 150 (see, for example, Patent Document 1), and a moving means for moving the door body 150 separately from the shaft body 151 and the guiding means 152 (for example, A winch for raising and lowering the door body 150, a cylinder for moving the door body 150 in a transverse direction and the like, and the like. There is such configured to guide only the linear direction.

  By the way, in any of the above sluice facilities, a water pressure acts on the door body 150 in a state where the water channel W is closed. Therefore, a bending action is generated in the shaft body 151 by the water pressure (force on the lower end side of the shaft body 151). There is a risk that 151 will be bent. In particular, if the shaft body 151 is long, the influence of the bending action is large, and the possibility that the shaft body 151 is bent increases.

  Therefore, in this type of sluice facility, measures are taken to prevent the shaft body 151 from bending when the sluice is closed by the door body 150. Specifically, as shown in FIG. 14B, a support structure 160 for supporting the shaft body 151 between the closed position B where the door body 150 closes the water channel W and the guide means 152 (intermediate position) is provided. I try to install it.

  The support structure 160 is fixed to the foundation concrete F or the like of the sluice facility while maintaining the intermediate position of the shaft body 151. More specifically, the support structure 160 includes a pair of divided bodies 160a and 160b that sandwich the shaft body 151 from both sides in the radial direction. The support structure 160 is formed by connecting a pair of divided bodies 160a and 160b sandwiching the shaft 151 with bolts or the like, and then either the upstream side or the downstream side of the water channel W with respect to the door body 150. It spans between the concrete F and the other foundation concrete F on the upstream side or the downstream side with respect to the door body 150 or a beam material (beam material L in the figure) fixed to the foundation concrete F, and the both ends The part is fixed to foundation concrete F or the like.

As a result, the support structure 160 applies a water pressure (force acting in the direction intersecting the axis of the shaft body 151 on the lower end side of the shaft body 151) to the shaft body 151 from the upstream side of the water channel W to the shaft body 151. Since it can transmit to foundation concrete F etc., without making it act largely, it can prevent that shaft 151 falls between door body 150 and guide means 152.
Japanese Patent Laid-Open No. 11-229358

  However, the support structure 160 configured as described above opens and closes the water channel W because the movement of the door body 150 and the shaft body 151 is restricted by being fixed to the foundation concrete F or the like with the shaft body 151 sandwiched therebetween. There is a problem that the attaching / detaching work is required to move the door body 150 and the opening / closing work of the water channel W becomes complicated. In addition, since the support structure 160 is required to be attached and detached, it is not possible to quickly cope with cases where an emergency is required to open the water channel W (for example, when water is discharged when the emergency water level is exceeded). There was a case.

  Therefore, in view of such circumstances, the present invention can reliably prevent the shaft body from being bent by the action of water pressure, and can quickly open and close the water channel without performing attachment / detachment work of various parts. It is an object to provide a sluice facility that can be used.

A sluice facility according to the present invention includes a door body for opening and closing a water channel, a shaft body extending from one end of the door body, and guide means for guiding the shaft body in an axial direction, and the door body is a shaft. In a sluice facility configured to move in the axial direction of the body to change the position between an open position for opening the water channel and a closed position for closing the water channel, the shaft body is inserted, and the shaft body is inserted between the door body and the guide means. An intermediate member provided so as to be movable in the axial direction, support means configured to support the intermediate member at a predetermined position between the closed position and the guide means, and an intermediate member supported by the support means. And at least a restricting means for restricting movement in the downstream direction of the water channel, and the support means and the restricting means are fixed at a position across the moving region of the door body, and the intermediate member moves toward the guide means. is formed so as to permit said shaft body, or upper end which is one end of the door body The door body extends upward, and is provided to be movable in the vertical direction. The intermediate member extends in the width direction of the door body perpendicular to the axial direction of the shaft body and is longer than the width dimension of the door body. The support means is provided in a pair so as to support both ends of the intermediate member, and the restricting means is at least a water channel with respect to the end of the intermediate member supported by the support means. The shaft body is provided with a spiral first spiral groove on the outer periphery, the guide means is provided rotatably around the axis of the shaft body, and the first spiral on the inner periphery. A ring body in which a spiral second spiral groove facing the groove is formed, a plurality of first balls housed in a first space formed by the overlapping first spiral groove and second spiral groove, and a ring A rotating mechanism for rotating the body around the shaft body, and the intermediate member is It is provided with a rotating body provided rotatably around a line and having a spiral third spiral groove facing the first spiral groove on the inner periphery, and an overlapping first spiral groove and third spiral groove. And a plurality of second balls installed in the second space .

  According to the sluice facility having the above-described configuration, the shaft body is inserted, the intermediate member provided so as to be movable in the axial direction of the shaft body between the door body and the guide means, and between the closed position and the guide means. Support means configured to support the intermediate member at a predetermined position, so that when the water channel is opened from a closed state, the intermediate member is supported by the support means when the door body starts to move toward the open position. On the other hand, the door body and the shaft body are moved in the axial direction while being maintained in a state in which they are maintained. The supporting means and the regulating means are fixed at a position where the moving area of the door body is located and formed so as to allow the movement of the intermediate member toward the guiding means, so that the opening means is directed toward the open position. When the moving door body comes into contact with the intermediate member and tries to move further, the intermediate member is pushed toward the guide means by the door body and moves to an open position that is out of the arrangement of the support means and the regulating means. Thus, since the intermediate member moves in conjunction with the movement of the door body, the water channel can be opened by moving the door body to the open position without requiring an operation such as removing the intermediate member.

  And when it closes from the state which opened the water channel, it becomes the operation | movement contrary to the operation | movement at the time of opening a water channel. That is, the door body is moved to the closed position, and the intermediate member is also moved in the same direction. When the intermediate member reaches the predetermined position, it is supported by the support means. As described above, since the intermediate member is movable in the axial direction of the shaft body by inserting the shaft body, when the door body further moves toward the closed position, the intermediate member is supported by the support means. On the other hand, the door body and the shaft body are moved in the axial direction while being maintained in a state where they are supported. Then, when the door body reaches the closed position and closes the water channel, water pressure acts on the door body, and the force due to the water pressure acts on the shaft body, but the intermediate member supported by the support means is at least the water channel Since the regulating means for regulating the movement in the downstream direction is provided, the force due to the action of the water pressure can be received by the intermediate member and the regulating means, and the shaft body can be prevented from being bent.

  As described above, the sluice facility having the above-described configuration can reliably prevent the shaft body from being bent by the action of water pressure, and can quickly open and close the water channel without performing attachment / detachment work of various parts. it can.

Further, the shaft body extends upward from an upper end which is one end of the door body, the door body, by so provided as to be movable in the vertical direction, the closed position the door body from the open position When the position of the door is changed, the weight of the door acts downward, so that the door can be smoothly moved to the closed position. Moreover, as a result of the weight acting on the intermediate member downward, the intermediate member can also be smoothly moved downward (support means). Therefore, the intermediate member can be moved to a position where it is supported by the support means by the action of its own weight without separately providing a means for moving the intermediate member.

Further , the intermediate member is constituted by a long body that extends in the width direction of the door body orthogonal to the axial direction of the shaft body and is set to be longer than the width dimension of the door body, and the support means includes the intermediate member By providing a pair so as to support both ends, the intermediate member can be reliably supported in a stable state.

Moreover, regulation means, with respect to the end portion of which is supported on the support means intermediate member, by which is provided so as to face at least the downstream side of the waterway, reliably restricted without the intermediate member into complex structures be able to.

Further , since the shaft body and the ring body are in the same state as being screwed through the first ball, the shaft body moves in the axial direction when the ring body of the guide means is rotated around the shaft body. Therefore, the shaft body and the guide means can function as moving means for moving the door body. Moreover, it will be in the same state as a shaft and a rotary body screwing together via the 2nd ball | bowl. As a result, when the shaft body is about to move in the axial direction, the threaded engagement of the shaft body and the rotating body (the first spiral groove of the shaft body and the third spiral groove of the rotating body) (the effect of the lead angle) Thus, the rotating body rotates and the axial movement of the shaft body is allowed. In addition, since the plurality of second balls are housed in the second space formed by the overlapping first spiral groove and third spiral groove, the integrity of the rotating body and the shaft body is achieved via the second ball. As a result, the force acting on the shaft body can be reliably transmitted to the regulating means via the rotating member (intermediate member), and the bending of the shaft body can be reliably prevented.

  In this case, the ring body is formed with a first series of through holes that allow one end side and the other end side of the second spiral groove to communicate with each other, and the plurality of first balls are connected to the first space and the first series of through holes. The rotating body is formed with a second communication hole that connects one end side and the other end side of the third spiral groove, and the plurality of second balls are connected to the second space and the second communication hole. It is preferable that the interior is connected to a rosary. In this way, in the guiding means, when the ring body is rotated around the shaft body, the plurality of first balls are formed by connecting the first space and the first series of through holes in accordance with the rotation. As a result, the resistance between the shaft body and the ring body is reduced, and the shaft body can be moved smoothly. In the intermediate member, when the shaft moves, the plurality of second balls move in a loop-shaped space formed by connecting the second space and the second communication hole, and as a result, rotate with the shaft. Resistance between the body and the shaft body can be reduced, and the shaft body can be moved smoothly.

As a reference example of the present invention, the shaft body is constituted by a screw rod, the guide means is provided rotatably around the shaft body and screwed into the shaft body, and the guide body is provided around the shaft body. And the intermediate member may include a rotating body that is screwed with the shaft body so as to be rotatable around the shaft body. In this way, when the guide body of the guide means is rotated around the shaft body, the shaft body moves in the axial direction, so that the shaft body and the guide means can function as the door body moving means. . The intermediate member is provided with the rotating body, so that the intermediate member and the shaft body are allowed to move relative to each other while the intermediate member is integrated with the shaft body. That is, since the rotating body is provided so as to be rotatable around the axis of the shaft body, when the shaft body tries to move in the axial direction, the shaft body (male screw) and the rotating body (female screw) are screwed together. The rotating body is rotated by the action (the action of the lead angle), and the axial movement of the shaft body is allowed. Further, as a result of increasing the integrity of the rotating body and the shaft body by screwing the rotating body and the shaft body, the force acting on the shaft body can be reliably transmitted to the regulating means via the rotating member (intermediate member). It is possible to reliably prevent the shaft body from being bent.

  As described above, according to the sluice system according to the present invention, it is possible to reliably prevent the shaft body from being bent by the action of water pressure, and to open and close the water channel without performing attachment / detachment work of various parts. An excellent effect that it can be performed quickly can be achieved.

  Hereinafter, a sluice facility according to an embodiment of the present invention will be described with reference to the accompanying drawings.

  Such sluice facilities are provided to open and close water channels formed in the basement connected to reservoirs, dams, etc. (permit water flow in water channels or block water flow). In the form, it is usually provided to keep the water channel open for the purpose of water discharge (drainage) and to close the water channel when there is a water discharge restriction or when maintenance or inspection is performed.

  As shown in FIGS. 1A and 1B, the sluice facility according to the present embodiment targets a water channel W formed underground. Therefore, the sluice facility 1 according to the present embodiment is accommodated in an underground pit P in which a door body 10 and an intermediate member 40 described later are dug down from the ground. The underground pit P is demarcated by the foundation concrete F constructed | assembled around, and the upper opening is obstruct | occluded with the floor board Fb. The floor board Fb is provided with an entrance (not shown) for entering and exiting the underground pit P from the ground, and the underground pit P is provided with a ladder (not shown) for an operator to go up and down. . The water channel W is formed in the lower part of the underground pit P, and a stage (dance field) S is formed above the water channel W. Thereby, the worker who has entered the underground pit P through the ladder can perform various inspections from the stage S. In the present embodiment, the stage S is formed above the water outlet D of the water channel W that is opened and closed by the sluice facility 1.

  The sluice facility 1 according to the present embodiment is configured on the assumption of the underground pit P, and includes a door body 10 for opening and closing the water channel W (water outlet D), and a shaft extending from one end of the door body 10. A body 20 and guide means 30 for guiding the shaft body 20 in the direction of the axis CL, and the door body 10 moves in the direction of the axis CL of the shaft body 20 to open the water passage W and to close the water passage W. The position is changed to the position B.

  And the sluice facility 1 which concerns on this embodiment was provided so that the shaft body 20 was penetrated on the assumption of the said structure, and the movement to the axis line CL direction of the shaft body 20 between the door body 10 and the guide means 30 was carried out. The intermediate member 40, the support means 50 configured to be able to support the intermediate member 40 at a predetermined position between the closed position B and the guide means 30, and the intermediate member 40 supported by the support means 50 include at least a water channel And restricting means 60 for restricting the movement to the downstream side of W.

  The door 10 is slidable in a certain direction (in the present embodiment, in the vertical direction) by being guided (guided) at both ends. Both ends of the door body 10 according to the present embodiment are fitted into the guide groove G provided directly or indirectly in the foundation concrete F that defines the underground pit P, and the door body 10 can move along the guide groove G. ing. The guide groove G is formed so that the door body 10 can move along the opening end of the water outlet D. That is, in the underground pit P, the water discharge port D of the water channel W is formed on the surface along the door body 10, and a pair of guide grooves G that guide both ends of the door body 10 sandwich the water discharge port D from each other. They are formed to face each other. The pair of guide grooves G are formed so as to extend in the vertical direction, and the upper part is open on the stage S. Thereby, when the door body 10 raises, it can raise to the position which remove | deviated from the guide groove G. FIG. In the present embodiment, the guide groove G is directly formed in the foundation concrete F. For example, a rail is attached to the foundation concrete F, and the end portion of the door body 10 is formed by the guide groove G formed in the rail. You may make it guide.

  As shown in FIGS. 1A and 2, the door body 10 according to the present embodiment includes a plate-like blocking portion 100 that forms a quadrangle (horizontal rectangular shape) that closes the water channel W, and both ends of the blocking portion 100. The guide roller 101 is mounted on the inner surface, and the guide roller 101 rolls on the inner surface that defines the guide groove G. Each guide groove G is provided with a seal rubber (not numbered) extending toward the other side on opposite surfaces (so-called door contact surfaces) on both sides of the surface for guiding the guide roller 101.

  As shown in FIGS. 1A and 1B, the shaft body 20 extends upward from an upper end that is one end of the door body 10. The shaft body 20 extends from the underground pit P to the ground through the floor board Fb. That is, it is set to a length that penetrates the guide means 30 provided on the floor board Fb. And since the door body 10 (blocking part 100) is formed in a horizontally long rectangular shape as described above, in the present embodiment, the two shaft bodies 20 are provided in parallel. Each shaft body 20 has its lower end fixed to the upper end surface of the door body 10, while its upper end side is guided by the guide means 30. As shown in FIG. 3, the shaft body 20 according to the present embodiment has a spiral first spiral groove 200 formed on the outer periphery.

  The guide means 30 according to this embodiment is provided on the floor board Fb. The guide means 30 is provided on the outer periphery of the shaft body 20 so as to be rotatable around the axis CL of the shaft body 20 on the premise that the first spiral groove 200 is formed. The ring body 301 in which a spiral second spiral groove 300 facing the first spiral groove 200 is formed, and the first space X formed by the overlapping first spiral groove 200 and second spiral groove 300 are internally provided. The plurality of first balls 302 and the rotation mechanism 303 (see FIG. 1A) for rotating the ring body 301 around the shaft body 20 are provided. That is, the guide means 30 includes a casing 304 fixed on the floor board Fb, and the ring body 301 maintains a fixed arrangement via bearings SB1 and RB1 housed in the casing 304. It is rotatable around 20 axis lines CL.

  The casing 304 includes a thrust bearing SB1 and a radial bearing RB1, and a ring body 301 is fitted to the bearings SB1 and RB1. The thrust bearing SB1 is provided so as to receive the lower side of the ring body 301 so as to receive the loads of the ring body 301, the shaft body 20, and the door body 10, while the radial bearing RB1 is above the thrust bearing SB1. It is provided so as to support the ring body 301 on the side. Thereby, the guide means 30 according to the present embodiment is rotatable about the axis CL while the ring body 301 is sandwiched between the inner rings of the thrust bearing SB1 and the radial bearing RB1.

  The ring body 301 is formed with a first series of through holes 305 that allow one end side and the other end side of the second spiral groove 300 to communicate with each other. Accordingly, in the guide means 30 according to the present embodiment, a plurality of first balls 302 are internally connected to the first space X and the first series of through holes 305 in a daisy chain. Thus, the shaft body 20 and the ring body 301 constitute a ball screw screwed through the plurality of first balls 302... And the shaft body 20 moves in the axis CL direction by the rotation of the ring body 301. ing. The rotation mechanism 303 is a gear mechanism in which a plurality of gears are combined, and a gear HG that meshes with an output side gear (for example, a worm gear (not shown)) of the rotation mechanism 303 is formed on the outer periphery of the ring body 301. Yes.

  In the rotation mechanism 303, a motor (not numbered) and a manual handle (not numbered) are operatively connected to the input side, and rotation of the motor or the handle is input ( (See FIG. 1). In this embodiment, since two rotation mechanisms 303 are provided according to the shaft body 20, both the rotation mechanisms 303 are operatively connected, and only one rotation mechanism 303 is connected to the motor and the manual operation. A handle is provided. Thus, when rotation is input to one rotation mechanism 303, the other rotation mechanism 303 operates in synchronization with one, and the ring bodies 301 of both guide means 30 rotate in synchronization. Yes.

  As shown in FIG. 4A, the intermediate member 40 extends in the width direction of the door body 10 orthogonal to the axis line CL direction of the shaft body 20 and is set to be longer than the width dimension of the door body 10. It consists of As shown in FIG. 5, the intermediate member 40 is provided so as to be rotatable around the axis CL of the shaft body 20, and a rotation in which a spiral third spiral groove 400 facing the first spiral groove 200 is formed on the inner periphery. Body 401 and a plurality of second balls 402 that are arranged in a daisy chain in a second space Y formed by the overlapping first spiral groove 200 and third spiral groove 400, and the axis CL direction of the shaft body 20 The rotating body 401 is configured to rotate around the axis line CL by the movement of

  The intermediate member 40 can be entirely composed of various types of steel such as H-shaped steel and groove-shaped steel, but in the present embodiment, the intermediate member 40 includes a rotating body 401 that is rotatable around the axis CL of the shaft body 20, As shown in FIG. 4 (a), in order to hold the rotator 401, a part in which the rotator 401 is housed (hereinafter referred to as the rotator interior parts 403, 403) is formed in a block shape, and the other parts are shaped steel. It consists of In the present embodiment, since the two shaft bodies 20 are provided, the rotating body interior portions 403 and 403 are provided at two positions at intervals, and the connecting portion 404 that connects the rotating body interior portions 403 and 403 to each other. And extending portions 405 and 405 extending outward from the respective rotary body interior portions 403 and 403 are made of mold steel, and the rotary body interior portions 403 and 403 (block), the connecting portion 404 (mold steel), and A pair of extending portions 405 and 405 (steel) are formed like a beam material that forms a row in one direction and is elongated in one direction.

  As shown in FIG. 5, the rotary body interior portions 403 and 403 are provided with a through hole 406 through which the shaft body 20 is inserted. The through hole 406 has a small diameter portion 406 a through which the shaft body 20 is inserted. And a large-diameter portion 406b that is formed continuously on the lower side of the small-diameter portion 406a for interior of the rotating body 401. In the present embodiment, a concave portion 406c that houses a flange (not numbered) for fixing the shaft body 20 to the door body 10 is formed continuously below the large-diameter portion 406b.

  The large diameter portion 406b includes a thrust bearing SB2 and a radial bearing RB2, and a rotating body 401 is fitted to these bearings SB2 and RB2. In order to receive the weight of the intermediate member 40, a thrust bearing SB2 is provided on the upper side in the direction of the axis CL. A radial bearing RB2 is provided below the thrust bearing SB2, and the rotating body 401 is sandwiched between the inner rings of the thrust bearing SB2 and the radial bearing RB2. Note that a stopper (not numbered) for preventing the radial bearing RB2 from dropping downward is fixed to the inner surface of the recess 406c.

  The rotating body 401 is formed with a second communication hole 407 that allows one end side and the other end side of the third spiral groove 400 to communicate with each other. Accordingly, the plurality of second balls 402 are internally connected to the second space Y and the second communication hole 407 in a daisy chain.

  As shown in FIG. 4A, a pair of the supporting means 50, 50 are provided so as to support both end portions of the intermediate member 40. The support means 50, 50 are fixed at a position where the moving area of the door body 10 is located, and are formed so as to allow the intermediate member 40 to move toward the guide means 30 side.

  The regulating means 60 is provided so as to face the end of the intermediate member 40 supported by the supporting means 50, 50 at least on the downstream side of the water channel W. The restricting means 60 is fixed at a position where the moving area of the door body 10 is located, and is formed so as to allow the intermediate member 40 to move toward the guide means 30 side.

  In the present embodiment, the support means 50, 50 and the regulating means 60 are integrally formed by a metal fitting 70 in which a plate material is formed in a U-shape as shown in FIG. 4 (b). That is, in the metal fitting 70, one opposed piece 70a functions as the restricting means 60, and a portion 70c connecting a pair of opposed pieces 70a and 70b functions as the supporting means 50 and 50. The pair of pieces 70a and 70b are spaced so that the end of the intermediate member 40 can be interposed therebetween. The pair of pieces 70a and 70b are formed so that the distance on the tip side is increased so that the end of the intermediate member 40 can easily enter between the pair of pieces 70a and 70b.

  A pair of metal fittings 70 (supporting means 50, 50 and restricting means 60) configured as described above are provided on both sides of the door body 10 in the width direction. In the present embodiment, the door body 10 is fixed on the stage S so as to be aligned with each of the pair of guide grooves G that guide both ends of the door body 10. That is, the metal fitting 70 is fixed on the stage S with a bolt or the like so that the pair of pieces 70a and 70b extend in the surface direction of the closing portion 100 (see FIG. 1A).

  The sluice facility 1 according to the present embodiment has the above-described configuration. Next, the operation of the sluice facility 1 having the above configuration will be described.

  As shown in FIG. 6A, the sluice facility 1 having the above-described configuration is such that the door body 10 opens the water channel W (water outlet D) in a normal state. At this time, the door body 10 is maintained at the open position A set above the predetermined position where the intermediate member 40 is supported by the support means 50, 50. Therefore, the intermediate member 40 is positioned above a predetermined position supported by the support means 50 and 50 in a state of being placed on the door body 10.

  When the ring body 301 is rotated around the shaft body 20 by the rotation mechanism 303 when the water passage W is closed, the shaft body 20 moves in the direction of the axis CL, so that the door body 10 moves downward (closed position B). Move towards Then, since the own weight acts downward, the intermediate member 40 moves downward while being placed on the door body 10 so as to follow the movement of the door body 10.

  As shown in FIG. 6 (b), both ends of the intermediate member 40 are supported by the support means 50 and 50, while the door body 10 is further moved downward, the shaft body is shown in FIG. The rotating body 401 is rotated by the action of the screw 20 (the first helical groove 200 of the shaft body 20 and the third spiral groove 400 of the rotating body 401) between the rotating body 401 and the rotating body 401. Movement in the direction of the axis CL is allowed. The intermediate member 40 of the present embodiment includes a shaft 20 and a rotating body as a result of the plurality of second balls 402... Moving in a loop-shaped space formed by connecting the second space Y and the second communication hole 407. Since the resistance with respect to 401 becomes small, the rotating body 401 rotates smoothly and the shaft body 20 moves smoothly.

  Therefore, even if the intermediate member 40 is positioned at a predetermined position between the closed position B and the guide means 30, the door body 10 can be moved to the closed position B as a result of the movement of the door body 10 being permitted. it can. Thus, when the door body 10 reaches the closed position B, as shown in FIG. 6C, the water channel W (water outlet D) is closed and the flow of water is blocked. In addition, although the sluice equipment 1 which concerns on this embodiment moves to the position where the door body 10 remove | deviated from the guide groove G, the raising / lowering position of the door body 10 is a fixed position by providing two shaft bodies 20. As a result, as described above, both ends of the door body 10 enter the guide groove G when the door body 10 is lowered.

  When the door body 10 (blocking portion 100) closes the water channel W in this way, the water pressure in the water channel W acts on the blocking portion 100. However, as shown in FIG. Since the restricting means 60 is provided so as to face the intermediate member 40 in accordance with being supported by 50, when the door body 10 is pushed downstream of the water channel W by the action of the water pressure, the intermediate member 40 is restricted. As a result of coming into contact with 60, the action (force) of the water pressure is received by the foundation concrete F through the regulating means 60. Therefore, since the action of water pressure does not occur in the shaft body 20, the shaft body 20 is prevented from being bent.

  When the water channel W is opened again, when the ring body 301 is rotated around the shaft body 20 by the rotation mechanism 303 (when the water channel W is closed, the shaft body 20 is rotated in the direction of the half body). Since it will move, the door body 10 moves toward upper direction (open position A). In the guide means 30 according to the present embodiment, when the ring body 301 is rotated around the shaft body 20, the plurality of first balls 302... Since a ball screw that moves in a loop-shaped space formed by being connected to 305 is employed, the shaft body 20 can be smoothly moved without applying a large rotational force to the ring body 301.

  When the door body 10 starts to move in this way, the intermediate member 40 is supported by the support means 50, 50 while its own weight acts as a downward force. Therefore, as shown in FIG. Keep in state. At this time, the rotating body 401 is rotated by the screwing action (lead angle action) of the shaft body 20 and the rotating body 10, and the movement of the shaft body 20 in the axis line CL direction is allowed. In particular, the intermediate member 40 of the present embodiment has a plurality of second balls 402... As a result of moving in a loop-shaped space formed by connecting the second space Y and the second communication hole 407, The resistance between the rotating body 401 is reduced, and the shaft body 20 can be smoothly moved.

  The support means 50 and 50 and the restriction means 60 are arranged at positions where the movement area of the door body 10 is located, and the support means 50 and 50 and the restriction means 60 allow the intermediate member 40 to move upward. Therefore, when the door body 10 comes into contact with the intermediate member 40 and further moves toward the open position A, the intermediate member 40 is moved along with the movement of the door body 10 as shown in FIG. Is pushed to the guide means 30 side and moves to the open position A that is out of the arrangement of the support means 50, 50 and the restricting means 60. Thus, since the intermediate member 40 moves in conjunction with the movement of the door body 10, the water channel W is opened by moving the door body 10 to the open position A without requiring an operation such as removing the intermediate member 40. Can do.

  As described above, according to the sluice facility 1 according to the present embodiment, the door body 10 for opening and closing the water channel W, the shaft body 20 extending from one end of the door body 10, and the shaft body 20 as an axis line. A guide means 30 for guiding in the CL direction, and by moving the door body 10 in the direction of the axis CL of the shaft body 20, the door body 10 is moved to a closed position B for closing the water channel W and an open position A for opening the water channel W. In the sluice facility 1 configured to change the position, the shaft member 20 is inserted, and the intermediate member 40 provided between the door member 10 and the guide means 30 so as to be movable in the direction of the axis CL of the shaft member 20; The support means 50, 50 configured to be able to support the intermediate member 40 at a predetermined position between the closed position B and the guide means 30, and the intermediate member 40 supported by the support means 50, 50 are at least the water channel W. And restricting means 60 for restricting movement in the downstream direction Since the support means 50, 50 and the restriction means 60 are fixed at a position where the movement area of the door body 10 is narrowed, and are formed to allow movement of the intermediate member 40 toward the guide means 30 side, The shaft body 20 can be reliably prevented from being bent by the action of water pressure, and the water channel W can be opened and closed quickly without performing the attachment / detachment of various components. .

  Further, the shaft body 20 extends upward from the upper end, which is one end of the door body 10, and the door body 10 is provided so as to be movable in the vertical direction, so that the door body 10 is closed from the open position A. When the position is changed to the position B, the door body 10 can be smoothly moved to the closed position B as a result of the weight of the door body 10 acting downward. Further, as a result of the weight of the intermediate member 40 acting downward, the intermediate member 40 can also be smoothly moved downward (support means). Therefore, the intermediate member 40 can be moved to a position where the intermediate member 40 is supported by the supporting means by its own weight without providing a separate means for moving the intermediate member 40.

  Furthermore, the intermediate member 40 is configured by a long body that extends in the width direction of the door body 10 perpendicular to the axis CL direction of the shaft body 20 and is set longer than the width dimension of the door body 10, and the support means. Since 50 and 50 are provided in a pair so as to support both end portions of the intermediate member 40, the intermediate member 40 can be reliably supported in a stable state.

  And since the said regulation means 60 is provided so that it may oppose the edge part of the intermediate member 40 supported by the support means 50 and 50 at least in the downstream of the water channel W, the intermediate member 40 is made into a complicated structure. It is possible to regulate without fail.

  Further, the shaft body 20 has a spiral first spiral groove 200 formed on the outer periphery thereof, and the guide means 30 is provided so as to be rotatable around the axis CL of the shaft body 20 and is opposed to the shaft body 20. The ring body 301 in which a spiral second spiral groove 300 facing the first spiral groove 200 is formed, and the first space X formed by the overlapping first spiral groove 200 and second spiral groove 300 are internally provided. And a rotation mechanism 303 for rotating the ring body 301 around the shaft body 20, and the intermediate member 40 is rotatably provided around the axis CL of the shaft body 20. The second space formed by the rotating body 401 in which the spiral third spiral groove 400 facing the first spiral groove 200 is formed on the inner periphery, and the overlapping first spiral groove 200 and third spiral groove 400. Multiple second balls with rosary connected to Y ,..., And the rotating body 401 is configured to rotate around the axis line CL when the shaft body 20 moves in the direction of the axis CL, so that the shaft body 20 and the ring body 301 are interposed via the first ball 302. It can be in the same state as screwed.

  Accordingly, when the ring body 302 of the guide means 30 is rotated around the shaft body 20, the shaft body 20 moves in the direction of the axis CL, so that the shaft body 20 and the guide means 30 function as a movement means for the door body 10. Can be made. Further, since the shaft body 20 and the rotating body 401 are in the same state as being screwed together via the second ball 402, the movement of the shaft body 20 in the axis line CL direction can be allowed. In addition, a plurality of second balls 402 are installed in the second space Y formed by the overlapping first spiral groove 200 and third spiral groove 400, so that the rotating body 401 is interposed via the second balls 402. As a result, the force acting on the shaft body 20 can be reliably transmitted to the regulating means 60 via the rotating body 401 (intermediate member 40), and the bending of the shaft body 20 can be ensured. Can be prevented.

  In particular, the ring body 301 is formed with a first continuous hole 305 that allows one end side and the other end side of the second spiral groove 300 to communicate with each other, and a plurality of first balls 302. The rotating body 401 is internally connected to the series of through holes 305 in a rosary manner, and a second communication hole 407 that connects one end side and the other end side of the third spiral groove 400 is formed. Since the second space Y and the second communication hole 407 are connected in a daisy chain, the resistance of the ring body 301 and the rotating body 401 to the shaft body 20 can be reduced, and the movement of the shaft body 20 can be performed smoothly. can do.

Next, a sluice facility of a reference example of the present invention will be described. For even floodgate facilities of Reference Example, as in the above implementation form, but with the door, the shaft, the guide means, the intermediate member, the support means, the regulating means. Therefore, in the following description, those implementation mode of configuration and substantial identical ones or not discussed are denoted by the same reference numerals and the same names as the reference to the implementation form, an implementation form differs The description will focus on the configuration to be performed.

In the sluice facility 1 of the reference example , as shown in FIG. 7, the shaft body 20 is constituted by a screw rod. Along with this, the guide means 30 is provided so as to be rotatable around the shaft body 20 and is screwed into the shaft body 20, and a rotation for rotating the guide body 301 ′ around the shaft body 20. And a mechanism 303. That is, in the sluice gate equipment 1 according to the present embodiment, a male screw (screw thread) S1 is formed on the outer peripheral surface of the shaft body 20, and a female screw (screw thread) S2 is formed on the inner peripheral surface of the guide body 301 ′. These are screwed directly.

Also in the guide means 30 of the reference example, the shaft body 20 is provided on the floor plate Fb, and the guide body 301 ′ is maintained in a fixed arrangement via bearings SB1 and RB1 housed in the casing 304 on the floor plate Fb. Is rotatable around the axis CL. The casing 304 includes a thrust bearing SB1 and a radial bearing RB1, and a guide body 301 ′ is fitted to the bearings SB1 and RB1.

The thrust bearing SB1 is provided so as to receive the lower side of the guide body 301 ′ so as to receive the loads of the guide body 301 ′, the shaft body 20, and the door body 10. On the other hand, the radial bearing RB1 is provided so as to support the guide body 301 ′ on the upper side of the thrust bearing SB1. Thereby, the guide means 30 of the reference example is rotatable around the axis CL while the guide body 301 ′ is sandwiched between the inner rings of the thrust bearing SB1 and the radial bearing RB1.

  The rotation mechanism 303 is a gear mechanism that combines a plurality of gears, and a gear HG that meshes with an output-side gear (for example, a worm gear (not shown)) of the rotation mechanism 303 is formed on the outer periphery of the guide body 301 ′. ing. In the rotation mechanism 303, a motor and a handle for manual operation are operatively connected to the input side, and rotation of the motor or the handle is input (see FIG. 1).

The intermediate member 40 is formed of a long body that extends in the width direction of the door body 10 perpendicular to the axis CL direction of the shaft body 20 and is set longer than the width dimension of the door body 10. As shown in FIG. 8, the intermediate member 40 of the reference example includes a rotating body 401 ′ that is screwed with the shaft body 20 while being rotatable around the shaft body 20, and rotates by movement of the shaft body 20 in the axis line CL direction. The body 401 ′ is configured to rotate about the axis CL.

The intermediate member 40 can be composed of various types of steel such as H-shaped steel and groove-shaped steel, but also in the reference example , the intermediate member 40 includes a rotating body 401 ′ that can rotate around the axis CL of the shaft body 20. In order to hold the rotating body 401 ′, the rotating body interior portions 403 and 403 in which the rotating body 401 ′ is housed are formed in a block shape, and other portions are made of steel. In the reference example , since the two shaft bodies 20 are provided, the rotating body interior parts 403 and 403 are provided at two positions with a space therebetween, and the connecting part 404 that connects the rotating body interior parts 403 and 403 to each other; The extending portions 405 and 405 extending outward from the rotating body interior portions 403 and 403 are made of steel molds, and the rotating body interior portions 403 and 403 (blocks), the connecting portions 404 (shape steel), and a pair The extended portions 405 and 405 (shaped steel) are formed in a row like a beam material having a length in one direction.

The rotary body interior portions 403 and 403 are provided with a through hole 406 through which the shaft body 20 is inserted. The through hole 406 includes a small diameter portion 406a through which the shaft body 20 is inserted, and the small diameter portion 406a. A large-diameter portion 406b is formed continuously on the lower side for interior of the rotating body 401 ′. In the reference example , a concave portion 406c that houses a flange for fixing the shaft body 20 to the door body 10 is formed continuously below the large-diameter portion 406b.

  The large-diameter portion 406b includes a thrust bearing SB2 and a radial bearing RB2, and a rotating body 401 'is fitted to these bearings SB2 and RB2. In order to receive the weight of the intermediate member 40, a thrust bearing SB2 is provided on the upper side in the direction of the axis CL, and a radial bearing RB2 is provided on the lower side of the thrust bearing SB2. Accordingly, the rotating body 401 'is sandwiched between the inner rings of the thrust bearing SB2 and the radial bearing RB2. Note that a stopper for preventing the radial bearing RB2 from dropping downward is fixed to the inner surface of the recess 406c.

  Next, the operation of the sluice facility 1 having the above-described configuration will be described with reference to FIG. 6. In the sluice facility 1 having the above-described configuration, as shown in FIG. The water outlet D) is open. At this time, the door body 10 is maintained at the open position A set above the predetermined position where the intermediate member 40 is supported by the support means 50, 50. Therefore, the intermediate member 40 is positioned above a predetermined position supported by the support means 50 and 50 in a state of being placed on the door body 10.

  When the guide body 301 ′ is rotated around the shaft body 20 by the rotation mechanism 303 when closing with the water channel W, the shaft body 20 moves in the direction of the axis CL, so that the door body 10 moves downward (closed position B). ) Then, since the own weight acts downward, the intermediate member 40 moves downward while being placed on the door body 10 so as to follow the movement of the door body 10.

Then, as shown in FIG. 6B, both ends of the intermediate member 40 are supported by the supporting means 50, 50, while when the door body 10 tries to move further downward, as shown in FIG. The rotating body 401 ′ is rotated by the action of screwing with 20 (the action of the lead angle), and the movement of the shaft body 20 in the axis line CL direction is allowed. Therefore, even if the intermediate member 40 is positioned at a predetermined position between the closed position B and the guide means 30, as a result of the movement of the door body 10 being permitted, the door body 10 is closed as shown in FIG. The position can be changed up to position B. Thus, when the door body 10 reaches the closed position B, the water channel W (water outlet D) is closed, and the flow of water is blocked. In addition, although the sluice facility 1 of the reference example moves to a position where the door body 10 deviates from the guide groove G, as a result of the two shaft bodies 20 being provided, the lift position of the door body 10 becomes a constant position. As described above, both end portions of the door body 10 enter the guide groove G when the door body 10 is lowered.

  Thus, when the door body 10 (blocking part 100) closes the water channel W, the water pressure in the water channel W acts on the blocking unit 100, but the intermediate member 40 is supported by the support means 50, 50. Therefore, when the door body 10 is pushed to the downstream side of the water channel W by the action of the water pressure, the intermediate member 40 comes into contact with the restricting means 60. The action (force) of water pressure is received by the foundation concrete F through the regulating means 60. Therefore, since the action of water pressure does not occur in the shaft body 20, the shaft body 20 is prevented from being bent.

  When the water channel W is opened again, when the guide body 301 ′ is rotated around the shaft body 20 by the rotation mechanism 303 (when the water channel W is closed, the shaft body 20 is rotated in the direction of the half body). Therefore, the door body 10 moves upward (open position A).

  On the other hand, the intermediate member 40 is maintained as it is because it is supported by the support means 50, 50 while its own weight acts as a downward force. At this time, the rotating body 401 ′ is rotated by the screwing action (lead angle action) with the shaft body 20, and the movement of the shaft body 20 in the axis line CL direction is allowed.

  The support means 50 and 50 and the restriction means 60 are arranged at positions where the movement area of the door body 10 is located, and the support means 50 and 50 and the restriction means 60 allow the intermediate member 40 to move upward. Therefore, when the door body 10 comes into contact with the intermediate member 40 and further moves toward the open position A, the intermediate member 40 is moved along with the movement of the door body 10 as shown in FIG. Is pushed to the guide means 30 side and moves to the open position A that is out of the arrangement of the support means 50, 50 and the restricting means 60. Thus, since the intermediate member 40 moves in conjunction with the movement of the door body 10, the water channel W is opened by moving the door body 10 to the open position A without requiring an operation such as removing the intermediate member 40. Can do.

As described above, also in the sluice facility 1 of the reference example, the door body 10 for opening and closing the water channel W, the shaft body 20 extending from one end of the door body 10, and the shaft body 20 in the axis CL direction. The guide body 30 is provided, and the door body 10 is moved in the direction of the axis CL of the shaft body 20 to change the position of the door body 10 between the closed position B for closing the water channel W and the open position A for opening the water channel W. In the sluice facility 1 configured as described above, the shaft member 20 is inserted, the intermediate member 40 provided so as to be movable between the door member 10 and the guide means 30 in the axis CL direction, and the closed position. B and support means 50 and 50 configured to support the intermediate member 40 at a predetermined position between the guide means 30 and the intermediate member 40 supported by the support means 50 and 50 at least in the downstream direction of the water channel W. And restricting means 60 for restricting movement to The steps 50, 50 and the regulating means 60 are fixed to a position where the moving area of the door body 10 is located, and are formed so as to allow movement of the intermediate member 40 toward the guiding means 30. Thus, it is possible to reliably prevent the shaft body 20 from being bent by the above action, and it is possible to achieve an excellent effect that the water channel W can be quickly opened and closed without performing the attaching / detaching operation of various components.

  Further, the shaft body 20 extends upward from the upper end, which is one end of the door body 10, and the door body 10 is provided so as to be movable in the vertical direction, so that the door body 10 is closed from the open position A. When the position is changed to the position B, the door body 10 can be smoothly moved to the closed position B as a result of the weight of the door body 10 acting downward. Further, as a result of the weight of the intermediate member 40 acting downward, the intermediate member 40 can also be smoothly moved downward (support means). Therefore, the intermediate member 40 can be moved to a position where the intermediate member 40 is supported by the supporting means by its own weight without providing a separate means for moving the intermediate member 40.

  Furthermore, the intermediate member 40 is configured by a long body that extends in the width direction of the door body 10 perpendicular to the axis CL direction of the shaft body 20 and is set longer than the width dimension of the door body 10, and the support means. Since 50 and 50 are provided in a pair so as to support both end portions of the intermediate member 40, the intermediate member 40 can be reliably supported in a stable state.

  And since the said regulation means 60 is provided so that it may oppose the edge part of the intermediate member 40 supported by the support means 50 and 50 at least in the downstream of the water channel W, the intermediate member 40 is made into a complicated structure. It is possible to regulate without fail.

  Further, the shaft body 20 is constituted by a screw rod, and the guide means 30 is provided rotatably around the shaft body 20 and is guided by a guide body 301 ′ screwed to the shaft body 20, and the guide body 301 ′. A rotating mechanism 303 for rotating around the shaft body 20, and the intermediate member 40 includes a rotating body 401 ′ screwed with the shaft body 20 so as to be rotatable around the shaft body 20. The shaft body 20 and the guide means 30 can function as a moving means for the door body 10.

  Further, by providing the intermediate member 40 with the rotating body 401 ′, the intermediate member 40 and the shaft body 20 are allowed to move relative to each other while the intermediate member 40 is integrated with the shaft body 20. Can do. In addition, since the rotating body 401 ′ and the shaft body 20 are screwed together, these are brought into close contact with each other, so that the force acting on the shaft body 20 in the state where the water channel W is closed by the door body 10 causes the intermediate member 40 to move. As a result, the shaft body 20 can be reliably prevented from being bent.

Incidentally, water gate apparatus of the present invention is not limited to the above you facilities embodiment, it is needless to say that various changes and modifications may be made without departing from the scope and spirit of the present invention.

For example, in the above you facilities embodiment, by rotating the ring member 302 and guide member 302 ', but so as to lift the door body 10 moves the shaft 20, as a reference example, for example, FIG. 9 ( As shown in a), a rope of a winch (winding device) M installed on the ground may be connected to the door body 10, and the door body 10 may be raised and lowered by winding the rope with the winch and releasing it. . In this case, the shaft body 20 may be guided by the guide means 30 in the axial direction, and the intermediate member 40 is not provided with a rotating body 401, 401 ′ as shown in FIG. What is necessary is just to provide hole 406 'for inserting.

In the above you facilities embodiment, to allow for movement of the shaft 20 while increasing the integrity of the shaft 20 is provided with the rotating bodies 401 and 401 'on the intermediate member 40 it is not limited thereto For example, the shaft body 20 may be simply inserted through the intermediate member 40. In this case, in order to move the shaft body 20 smoothly, a through hole 406 having a hole diameter slightly larger than the outer diameter of the shaft body 20 is provided in the intermediate member 40, and the shaft body 20 is inserted into the through hole 406. It may be.

In the above you facilities embodiment, although the water gate equipment 1 so as to lift the door 10 has been described as an example, but the invention is not limited thereto and may be one which is adapted to traverse the door 10 . In this case, the intermediate member 40 also needs to be traversed. However, since the weight of the intermediate member 40 does not act in the direction in which the intermediate member 40 is moved, the intermediate member 40 is supported when the door body 10 is moved to the closed position B. It is necessary to move to a position supported by 50 and 50. Therefore, since it is necessary to provide a moving means for moving the intermediate member 40, the structure becomes complicated. Therefore, the present invention is preferably applied to a roller gate or a slide gate that moves the door body 10 and the shaft body 20 in the vertical direction.

In the above you facilities embodiment has been described throughout the structure of the water gate equipment 1, according sluice equipment 1 is not intended to be limited to the newly established, for example, the door 10, shaft 20, guide means 30 Of course, the intermediate member 40, the supporting means 50, 50, and the regulating means 60 may be attached to the existing sluice facility 1 provided. At this time, it is preferable that the guide means 30 and the intermediate member 40 (the rotating bodies 401 and 401 ′, the ring body 301, and the guide body 301 ′) are appropriately changed according to the mode of the shaft body 20.

In the above you facilities embodiment, as the intermediate member 40 is formed as Harizai, to support the both end portions of the intermediate member 40 by the supporting means 50 and 50, to regulate the both ends of the intermediate member 40 in the regulating means 60 However, the present invention is not limited to this. For example, as shown in FIGS. 10A to 10C, both ends of the intermediate member 40 are supported by the support means 50 and 50, while the intermediate member 40 is in the middle. Protruding pieces 408a, 408b, and 408c may be provided at the positions, and the protruding pieces may be regulated by the regulating means 60. That is, a projecting piece having a surface facing the downstream side of the water channel W (for example, a projecting piece 408a having a T-shape as shown in FIG. 10A or an L-shape as shown in FIG. 10B). A projecting piece 408b or an annular eye 408c) as shown in FIG. 10C is protruded from the intermediate member 40 so as to face the downstream surface of the projecting pieces 408a, 408b, 408c. A regulating means (regulating piece) 60 may be provided. Even if it does in this way, the movement to the downstream of the water channel W with respect to the intermediate member 40 can be controlled, and the bending of the shaft body 20 can be prevented.

In the above you facilities embodiment, the intermediate member 40 is formed as Harizai, but so as to support both ends thereof by the support means 50 and 50, is not limited thereto, for example, extension of waterways W The support means 50, 50 are fixed on both sides of the intermediate member 40 in the direction (the direction from the upstream side to the downstream side), and the supported portion that is supported by the support means 50, 50 is provided protruding from the intermediate member 40. You may do it. That is, a pair or a plurality of pairs of supported portions may be provided on both sides of the intermediate member 40 in the direction orthogonal to the longitudinal direction, and the supported portions may be supported by the support means 50 and 50. However, even in this case, it goes without saying that the support means 50, 50 and the regulating means 60 are arranged with the movement area (lifting area) of the door body 10 in mind.

In the above you facilities embodiment has been to provide a bracket 70 that is provided integrally with the stage S on the support means 50 and 50 and the restricting means 60 of the foundation concrete F targeting floodgates equipment 1 of the existing, limited to For example, as shown in FIG. 11, a recess 70 ′ into which the end of the intermediate member 40 is fitted is formed in the stage S, and supported by surfaces (upward and lateral surfaces) that define the recess 70 ′. The means 50, 50 and the regulating means 60 may be configured.

In the above you facilities embodiment, the support means 50 and 50 and the restricting means 60 is provided on a stage S that is formed by the foundation concrete F defining an underground pit P, the invention is not limited thereto, for example, FIG. As shown in FIG. 12, the support means 50, 50 and the regulating means 60 may of course be fixed to the inner wall surface that defines the underground pit P.

In the above you facilities embodiment has a restriction means 60 and the support means 50 and 50 by using the member 70 which bend the sheet into a U-shape and integrally, is not limited thereto, for example, The support means 50, 50 and the regulating means 60 may be formed separately and independently.

In the above you facilities embodiment, provided with a shaft 20 to two parallel, has been to provide a guide means 30 for each shaft 20, is not limited thereto, for example, in FIG. 13 (a) As shown, one shaft body 20 is provided and one guide means 30 for guiding the shaft body 20 is provided, or three or more shaft bodies 20 are provided in parallel and the guide means 30 is provided for each shaft body 20. You may do it. In any case, of course, the shaft body 20 is inserted into the intermediate member 40 so as to be movable in the direction of the axis CL. As shown in FIG. 13A, when one shaft body 20 is provided, the shaft member 20 is inserted into the intermediate member 40, so that the intermediate member 40 may rotate around the shaft body 20. Therefore, as shown in FIG. 13B, it is preferable to provide posture maintaining means 410 for maintaining the intermediate member 40 in a predetermined posture. The posture maintaining means 410 includes, for example, a pair of facing pieces 410a and 410b extending toward the other so that the other can be interposed with respect to either the lower end of the intermediate member 40 or the upper end of the door body 10. May be provided. In this way, when the door body 10 pushes (lifts) the intermediate member 40, either one is sandwiched between the pair of facing pieces 410 a and 410 b, so that the door body 10 moves in the axis CL direction of the shaft body 20. The intermediate member 40 does not rotate around the shaft body 20 when moved, and the relative positional relationship between the door body 10 and the intermediate member 40 can be maintained.

In the above you facilities embodiment, 'but was rotatable by supporting bearings SB2, RB2, as a reference example, the rotating body 401' rotating body 401, 401 of the intermediate member 40 about the axis CL of the holding bush It can be configured to be freely rotatable, or a rotating body 401, 401 'is provided in the space provided in the intermediate member 40, and the rotating body 401, 401' can be rotated around the axis by filling the space with grease. Or may be configured.

An explanatory view of a sluice gate equipment according to implementation embodiments of the present invention, (a) shows a front sectional view of the underground pit containing water gate equipment, (b), the underground pit and side waterways including water gate facilities Sectional drawing (II sectional drawing of (a)) is shown. A cross-sectional view of a sluice gate equipment according to implementation mode, an II-II cross section in FIG. 1 (a). It shows a partial cross-sectional view including a guide means floodgate equipment according to implementation embodiments. An explanatory view of a sluice gate equipment according to implementation embodiments, (a) shows a sectional view taken along line III-III in FIG. 1 (a), (b) shows a section taken along line IV-IV of (a). It shows a partially enlarged sectional view of the intermediate member in the floodgate equipment according to implementation embodiments. A working explanatory view of a sluice gate equipment according to implementation embodiments, (a) shows an open state of the waterway, (b) shows a middle stage of the conditions at the time of opening and closing the waterway, (c) Indicates a state where the water channel is closed. The fragmentary sectional view containing the guidance means of the sluice equipment of a reference example is shown. The partial expanded sectional view of the intermediate member in the sluice facility of a reference example is shown. It is explanatory drawing of the sluice facility of a reference example, Comprising: (a) shows front sectional drawing of an underground pit containing a sluice facility, (b) shows the schematic partial enlarged view of an intermediate member. It is explanatory drawing of the intermediate member and control means of the sluice equipment which concern on another embodiment of this invention, Comprising: (a) provides a T-shaped protrusion on the intermediate member, and a control means is a T-shaped protrusion. FIG. 4B is a schematic partial plan view of a sluice facility that regulates the sluice, and (b) is a sluice facility in which an L-shaped projecting piece is provided on the intermediate member, and the regulating means regulates the L-shaped projecting piece. (C) is a schematic partial plan view of a sluice facility in which an annular (eye) projection piece is provided on the intermediate member and the regulating means regulates the annular projection piece. It is a fragmentary sectional view of the sluice facility concerning another embodiment of the present invention, Comprising: The fragmentary sectional view of the sluice facility comprised from the inner surface of the crevice formed in the foundation concrete in the support means and the regulation means is shown. The front sectional view of the underground pit containing the sluice facility concerning another embodiment of the present invention is shown. It is explanatory drawing of the underground pit containing the sluice facility which concerns on another embodiment of this invention, Comprising: (a) shows front sectional drawing of the underground pit containing a sluice facility, (b) is a longitudinal section of an intermediate member A plane view is shown. It is explanatory drawing of the conventional sluice facility, Comprising: (a) shows front sectional drawing of an underground pit containing a sluice facility, (b) shows the cross-sectional view of the state which supported the shaft body with the support structure. .

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Sluice equipment, 10 ... Door body, 20 ... Shaft body, 30 ... Guide means, 40 ... Intermediate member, 50 ... Support means, 60 ... Restriction means, 70 ... Metal fittings, 70a, 70b ... Piece, 70c ... Connected part DESCRIPTION OF SYMBOLS 100 ... Blocking part 101 ... Guide roller 200 ... First spiral groove 300 ... Second spiral groove 301 ... Ring body 301 '... Guide body 302 ... First ball 303 ... Rotating mechanism 304 ... Casing , 305 ... 1st through-hole, 400 ... 3rd spiral groove, 401, 401 '... Rotating body, 402 ... 2nd ball, 403 ... Rotating body interior part, 404 ... Connection part, 405 ... Extension part, 406 ... Through hole, 406a ... small diameter portion, 406b ... large diameter portion, 406c ... concave, 407 ... second communication hole, 408a, 408b, 408c ... projection piece, 410 ... posture maintaining means, 410a, 410b ... opposing piece, RB1 ... radial Bear , RB2 ... radial bearing, SB1 ... thrust bearing, SB2 ... thrust bearing, S ... stage, W ... water channel, X ... first space, Y ... second space, A ... open position, B ... closed position, CL ... axis , D ... outlet, F ... foundation concrete, Fb ... floor board, G ... guide groove, HG ... gear, P ... underground pit

Claims (2)

A door body for opening and closing the water channel, a shaft body extending from one end of the door body, and guide means for guiding the shaft body in the axial direction, the door body moving in the axial direction of the shaft body In a sluice facility configured to change the position between an open position for opening the water channel and a closed position for closing the water channel, the shaft body is inserted and provided between the door body and the guide means so as to be movable in the axial direction of the shaft body. And the intermediate member supported by the intermediate member at a predetermined position between the closed position and the guide member, and the intermediate member supported by the support member moves at least in the downstream direction of the water channel. The support means and the restriction means are fixed to a position facing the moving area of the door body, and are formed so as to allow movement of the intermediate member toward the guide means side ,
The shaft body extends upward from the upper end, which is one end of the door body, and the door body is provided to be movable in the vertical direction.
The intermediate member is constituted by a long body that extends in the width direction of the door body orthogonal to the axial direction of the shaft body and is set longer than the width dimension of the door body, and the support means includes both end portions of the intermediate member A pair is provided to support
The restricting means is provided to face at least the downstream side of the water channel with respect to the end of the intermediate member supported by the support means,
The shaft body has a spiral first spiral groove formed on the outer periphery, and the guide means is provided rotatably around the axis of the shaft body, and has a spiral second spiral facing the first spiral groove on the inner periphery. A ring body formed with a groove, a plurality of first balls embedded in a first space formed by the overlapped first spiral groove and second spiral groove, and for rotating the ring body around the shaft body A rotating mechanism, and the intermediate member is provided so as to be rotatable around the axis of the shaft body, and overlaps with a rotating body in which a spiral third spiral groove facing the first spiral groove is formed on the inner periphery. A sluice facility comprising a plurality of second balls housed in a second space formed by a first spiral groove and a third spiral groove . The ring body is formed with a first through hole that allows one end side and the other end side of the second spiral groove to communicate with each other, and a plurality of first balls are connected to the first space and the first through hole in a rosary manner. The rotating body is formed with a second communication hole that communicates one end side and the other end side of the third spiral groove, and a plurality of second balls are connected in a daisy chain to the second space and the second communication hole. The sluice facility according to claim 1 , wherein the sluice gate is installed.

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