JP4859395B2 - Auxiliary equipment for steel tower transport - Google Patents

Description

  The present invention relates to a technique for conveying a steel tower.

There is a known method of lifting a steel tower that supports a power transmission line in the air by lifting it with a helicopter. Further, as a jig used in this method, there is known a jig provided with a lifting member for hooking on a hook suspended from a helicopter and a pedestal for placing the lifting member on the top of a steel tower.
In order to lift and remove the steel tower with a helicopter using this jig, in advance, one end of each of the connection wires is attached to the top of the steel tower, the other end of each connection wire is attached to the lifting member, and the lifting member Is placed on the top of the steel tower using a frame. On the other hand, a wire having a hook connected to the lower end is suspended from the helicopter. The helicopter pilot hooks the lifting member placed on the top of the steel tower with the suspended hook to raise the helicopter. Thereby, the lifting member is detached from the gantry, and the steel tower to which the connection wire is attached is lifted by the helicopter and removed (see Non-Patent Document 1).
Kansai Electric Power Co., Ltd. Hokuriku branch transmission group, Yuji Shimizu, “Development of steel tower assembly and demolition method by helicopter”, Electric field technology, Electric Information Co., Ltd., September 2004, p15-p20

According to the conventional jig, the helicopter operator uses the suspended hook to hook the lifting member placed on the top of the tower. The helicopter is steered to move, and the helicopter is lowered by the length of the hook opening and the lower end of the hook. Then, the lifting member is passed through the opening of the hook, and then the helicopter is raised again. For this reason, helicopter pilots have been required to have advanced maneuvering skills. In particular, when the wind is blowing in the place where the steel tower is installed, the hook or helicopter main body sways under the influence of the wind, making it difficult to pass the hook through the lifting member, which is not an easy operation.
Therefore, the problem to be solved by the present invention is to provide a technique for facilitating the work for transporting the steel tower.

In order to achieve the above object, the invention described in each claim is configured.
(Invention of Claim 1)
The invention described in claim 1
A first member connected to a steel tower via a connecting member and a second member connectable to the first member, the second member being lifted in a state where the first member and the second member are connected It is a tower transport auxiliary device that lifts the tower by
A support member attached to the steel tower and detachably supporting the first member;
One member of the first member and the second member includes an opening through which the other member moves to a connection position where the first member and the second member are connected, and the other member A guide member for guiding the opening to the opening,
In addition, an engagement mechanism that connects the first member and the second member at the connection position is provided,
The engaging mechanism includes a stepped portion provided on the other member and a locking portion provided on the one member, and the locking portion is between a position where the opening is closed and a position where the opening is opened. And is urged in a direction to close the opening,
When the other member presses the locking portion provided on the one member from the guide member side, the locking portion moves in a direction to open the opening from a position where the opening is closed, Thus, when the other member passes through the opening and the stepped portion provided on the other member passes through the opening, the locking portion returns to a position to close the opening, thereby The tower transport auxiliary device is configured such that a stepped portion provided on the other member can be engaged with a locking portion provided on the one member.
As the “connecting member”, a wire, a belt sling, or the like is used.
The description “connecting position” means a position where the first member and the second member can be connected (connectable position) and a position where they are connected. The connectable position means, for example, a position where the first member and the second member can be connected only by lifting the second member.
The “locking portion” and “stepped portion” are configured to be in an engageable state once the second member moves to the coupling position unless the locking portion is artificially moved in the direction to open the opening. Has been. Further, when the locking portion is artificially moved in the direction of opening the opening, it is configured so that the engagement is impossible.
The “guide member” is typically provided around the opening. In addition, the “guide member” includes a slope portion provided integrally with a member forming the opening.
According to the tower transport auxiliary device of the present invention, the guide member for guiding the second member to the opening is provided on one of the first member and the second member. Thereby, the worker who lifts the steel tower with the first member and the second member in a connected state does not need to perform accurate alignment of the first member and the second member, and the second member is directed toward the first member. By being lowered, the first member and the second member can be easily connected to each other. Therefore, the existing steel tower can be easily removed.
Further, the first member is reliably supported by the steel tower by the support member before lifting the tower, and is easily removed from the support member when the tower is lifted. Thereby, it is not necessary to arrange | position the operator who isolate | separates a supporting member and a 1st member in the steel tower side, and what is necessary is just to arrange | position a 1st member to a supporting member previously.
Further, the first member and the second member can be reliably connected with a simple configuration.

(Invention of Claim 2)
Invention of Claim 2 is an auxiliary apparatus for steel tower conveyance of Claim 1, Comprising: Said other member has a substantially cylindrical fitting part, The said fitting part is a front-end | tip. The tower step auxiliary device is characterized in that the step portion is provided at a position of a predetermined length from the top and the tip side of the step portion is configured such that the diameter decreases toward the tip. It is.

(Invention of Claim 3)
Invention of Claim 3 is an auxiliary apparatus for steel tower conveyance of Claim 1 or 2, Comprising: The said supporting member has a rod-shaped part, The said 1st member is rod-shaped of the said supporting member. It is a steel tower transporting auxiliary device characterized in that the part has a hollow part that can be detachably inserted.

(Invention of Claim 4)
Invention of Claim 4 is an auxiliary apparatus for steel tower conveyance in any one of Claims 1-3, Comprising: The said guide member is an inner peripheral diameter sequentially from the said opening part side on the opposite side to the said connection position. It has a guide surface formed so as to be large.
As the “ guide member”, typically, a member having an inner peripheral surface (guide surface) having a conical shape or a pyramid shape is used.
If the steel tower conveyance auxiliary device of the present invention is used, the second member is efficiently guided to the connecting position by the guide member with a simple configuration.

(Invention of Claim 5)
Invention of Claim 5 is an auxiliary apparatus for steel tower conveyance in any one of Claims 1-4, Comprising: The display means which shows that the said other member is located in the said connection position is provided. This is an auxiliary apparatus for transporting a steel tower.
The “ display means” is preferably one that can be visually recognized from the work position by an operator who lifts the second member. As the display means, for example, a mechanism member that moves according to the relative positional relationship between the first member and the second member, a lamp that can be turned on or blinked, an LED, or the like is used.
If the tower transportation auxiliary device of the present invention is used, an operator who connects the first member and the second member and lifts the tower determines that the first member and the second member can lift the tower. Easy to do. In particular, when a tower is lifted by a helicopter, if the display means is configured to be visible by a helicopter operator, another worker can lift the second member (that is, the tower) at the position of the tower. It is not necessary to determine the timing and send a signal or the like, and the helicopter pilot can determine this in the sky. Therefore, it is possible to reduce the man-hours and costs of the work and the work period.

(Invention of Claim 6)
The invention according to claim 6 is the steel tower transfer auxiliary device according to claim 5, wherein the display means moves in conjunction with the movement of the locking portion and is located outside the other member. It is an auxiliary device for transporting a steel tower, characterized by having a display member arranged so as to protrude.
The display member moves, for example, from the position where the opening is closed to the opening direction, and then returns to the position where the opening is closed, so that the second member is located at the connecting position (connectable position or connecting position). The state to do is shown.
  If the 2nd member is located in a connection position, at the time of lifting a steel tower at least, the 1st member and the 2nd member will be in a connection state.
If the tower transportation auxiliary device of the present invention is used, an operator who connects the first member and the second member and lifts the tower determines that the first member and the second member can lift the tower. Easy to do.

(Invention of Claim 7)
The invention according to claim 7 is the steel tower transfer auxiliary device according to claim 5, wherein the display means is provided with a stepped portion provided on the other member on the one member. A first display means for indicating that the position is located through the opening, and a step portion provided on the other member are engaged with a locking portion provided on the one member. An auxiliary apparatus for transporting a steel tower, comprising at least one of second display means for displaying the above.
As the first display means and the second display means, an LED or a lamp that can be turned on or blinked is typically used. As the first display means and the second display means, it is preferable to use display means that can be distinguished even if they are similarly lit or blinked. For example, as the first display unit and the second display unit, LEDs having different emission colors and lamps having different colors are preferably used.
If the steel tower conveyance auxiliary device according to the present invention is used, the worker can easily recognize that the stepped portion of the other member is located at a position passing through the opening. Alternatively, it can be easily recognized that the stepped portion of the other member is locked to the locking portion after passing through the opening. Alternatively, it is distinguished that the stepped portion of the other member is located at a position passing through the opening and that the stepped portion of the other member is locked to the locking portion after passing through the opening. Both can be easily recognized in the state.

  According to the steel tower transport auxiliary device of the present invention, the work for transporting the steel tower becomes easy.

(First embodiment)
Hereinafter, an example of the best mode for carrying out the present invention will be described with reference to the drawings.
In the present embodiment, a case will be described in which the steel tower transfer auxiliary device of the present invention is used to remove an existing steel tower. The tower transport auxiliary device according to the present embodiment includes a first member disposed on the tower side, a second member that can be connected to the first member, and a support member that detachably supports the first member. Yes. The second member is provided with a guide member having a conical inner peripheral surface that guides the second member to a connecting position (connectable connectable position and connecting position) with the first member. The worker uses the steel tower transfer auxiliary device to attach one end of the plurality of connection wires to the steel tower and the other end of each connection wire to the first member. The first member is placed on a support member attached to the steel tower. The helicopter pilot connects the second member suspended from the helicopter to the first member. And by raising, a steel tower is lifted in the state suspended by the some connection wire.
In FIG. 1, FIG. 2, the outline | summary of the procedure which removes the existing steel tower using the auxiliary apparatus for steel tower conveyance of this invention is shown. 3 and 4 show a detailed configuration of the first member 100. FIG. FIG. 5 shows a detailed configuration of the second member 200. In FIG. 6, the structure which temporarily fixes the upper part and lower part of the steel tower to remove is shown. 7 to 10 show details of a procedure for bringing the first member 100 and the second member 200 into the connected state at the connection position.

First, the outline | summary of the procedure which removes the existing steel tower T is demonstrated using FIG. 1, FIG.
The steel tower T is divided and removed as appropriate according to the transport capability of the helicopter used. In this embodiment, the case where the steel tower T is divided into two parts, that is, an upper member T1 and a lower member T2, will be described. . The upper member T1 and the lower member T2 constituting the steel tower T are connected and assembled by bolts or the like.
Therefore, first, as shown in FIG. 1A, the support member 300 is attached to the top of the steel tower T (upper member T1). 1B, one end of the plurality of connection wires W is attached to the upper member T1 of the steel tower T, the other end of each connection wire W is attached to the first member 100, and the first member 100 is attached to the support member 300. Placed on. Next, a temporary fixing member 400 for the upper member T1 and the lower member T2 is disposed at a connection portion between the upper member T1 and the lower member T2 (details will be described later) to connect the upper member T1 and the lower member T2. The bolts are removed, and the upper member T1 and the lower member T2 are temporarily fixed.
The helicopter pilot connects the second member 200 suspended from the helicopter to the first member 100 mounted on the support member 300. Then, by raising the helicopter, as shown in FIG. 1C, the upper member T1 and the lower member T2 of the steel tower T are temporarily stopped, and the upper member T1 is suspended from the plurality of connection wires W. Can be lifted. Thereafter, the upper member T1 of the steel tower T is moved to a disposal site as shown in FIG. 1D, and an electromagnetic release hook (not shown) provided between the helicopter and the second member 200 is provided. , Removed and lowered by the pilot's operation.

Next, as shown in FIG. 2E, the support member 300 is attached to the top of the lower member T2. 2 (F), one end of the plurality of connection wires W is attached to the lower member T2 of the steel tower T, the other end of each connection wire W is attached to the first member 100, and the first member 100 is supported by the support member. 300. A temporary fixing member 400 for the leg member T3 and the lower member T2 is disposed at the connecting portion between the leg member T3 and the lower member T2, and the bolts connecting the leg member T3 and the lower member T2 are removed, and the leg member T3 and The lower member T2 is in a temporarily fixed state.
The helicopter pilot connects the second member 200 suspended from the helicopter to the first member 100 mounted on the support member 300. Then, by raising the helicopter, as shown in FIG. 2G, the temporary fixing of the lower member T2 and the leg member T3 of the tower T is released, and the lower member T2 is suspended from the plurality of connection wires W. Can be lifted. Thereafter, the lower member T2 of the steel tower T is transported to a disposal site as shown in FIG. 2 (H), and an electromagnetic release hook (not shown) provided between the helicopter and the second member 200 is provided. Is removed and lowered by the pilot's operation.
The “first member 100” of the present embodiment is the “first member” of the present invention, the “second member 200” of the present embodiment is the “second member” of the present invention, and the “first member” of the present embodiment is “ The “support member 300” corresponds to the “support member” of the present invention. In addition, the “first member 100”, the “second member 200”, and the “support member 300” of the present embodiment correspond to the “steel tower conveyance auxiliary device” of the present invention.

Next, the detailed structure of the 1st member 100 is demonstrated using FIG. 3, FIG.
In FIG. 3, the external view of the main body 110 of the 1st member 100 comprised with the metal etc. is shown.
FIG. 4 shows a front view and a top view of the first member 100 in a state in which the wire connecting member 120 is disposed on the main body 110.
A substantially cylindrical fitting portion 112 is provided on one end side in the longitudinal direction of the main body 110 of the first member 100. Further, on the other end side of the main body 110 in the longitudinal direction, wire attachment portions 113 are provided in four directions radially from the main body 110.
The fitting portion 112 is locked to a locking portion 213a (details will be described later) of the second member 200 at a position of a predetermined length from the tip (upper side end portion shown in FIGS. 3 and 4). A stepped portion 111 is provided. Further, in the region on the front end side with respect to the stepped portion 111, the fitting portion 112 is easily inserted into the fitted portion 211 (details will be described later) of the second member 200 from the opening 211 a of the second member 200. In addition, the diameter of the fitting portion 112 decreases toward the tip.
The main body 110 is provided with a hollow portion 115 having a predetermined length from the end portion on the side where the wire attachment portion 113 is provided. When placed on the support member 300, the hollow portion 115 is fitted into a rod-like portion 310 (details will be described later) of the support member 300.
As shown in the top view of FIG. 4, four wire attachment portions 113 are provided on the outer periphery of the main body 110 at equal intervals in the circumferential direction. Each wire attachment portion 113 is provided with an attachment hole 114 for attaching the wire connection member 120. A wire connecting member 120 such as a commercially available shackle is disposed in each of the attachment holes 114. The shackle is for public use and will not be described in detail.
A connecting wire W having one end attached to the steel tower side is appropriately attached to the wire connecting member 120.

Next, a detailed configuration of the second member 200 will be described with reference to FIG.
The second member 200 made of metal or the like includes a main body part 210 and a guide part 220.
The main body 210 is formed in a substantially cylindrical shape, and is provided with a hollow fitted portion 211 into which the fitting portion 112 of the first member 100 is fitted. A connection portion 214 connected to the connection wire W suspended from the helicopter is provided at one end of the main body portion 210. A lock mechanism R is provided on the other end side of the main body 210. The locking mechanism R is provided with a locking member 213, a stopper 215, and a rotating part 212. The locking member 213 is urged in the horizontal direction (left-right direction shown in FIG. 5), and is supported by the lock pin R1 so as to be rotatable in the upward direction shown in FIG. . The rotating part 212 forms a space R2 in which the locking member 213 rotates. In addition, the locking member 213 is provided at four locations at equal intervals in the circumferential direction on the inner peripheral side of the substantially cylindrical fitted portion 211.
The locking member 213 includes a semicircular support portion 213b supported by the lock pin R1, a locking portion 213a where the stepped portion 111 of the fitting portion 112 of the first member 100 is locked, and a locking portion 213a. An indicator portion 213c that extends is provided. The rotating portion 212 is provided with a hole on the outer peripheral side of the position where the locking member 213 is provided, and the indicator portion 213c of each locking member 213 is provided outside the second member 200 from each hole. Protrusively arranged.
Furthermore, a guide portion 220 having a conical inner peripheral surface centering on the opening 211a of the fitted portion 211 is provided at the end of the main body portion 210 on the lock mechanism R side.
In the present embodiment, the case where the locking member 213 is provided at four positions at equal intervals in the circumferential direction on the inner peripheral side of the substantially cylindrical fitting portion 211 will be described. May be provided at two or three locations in the circumferential direction on the inner peripheral side of the fitted portion 211.

  Next, with reference to FIGS. 6 to 10, the detailed procedure for removing the steel tower T using the above-described steel tower transfer auxiliary device (first member 100, second member 200, support member 300) is described as the first member. A detailed procedure for connecting 100 and the second member 200 will be described. In the present embodiment, as shown in FIG. 6, the upper main pillar material T11 of the upper member T1 (the member forming the four corners of the steel tower T) is outside the lower main pillar material T21 of the lower member T2. A case will be described in which an existing steel tower T that is assembled and connected with bolts or the like (generally referred to as “external”) is removed.

As described in the outline of the previous procedure (refer to FIGS. 1 and 2 together), the support member 300 is first attached to the top of the steel tower T. As shown in FIG. 7, the support member 300 includes a rod-like portion 310 that fits into the hollow portion 115 of the fitting portion 112 of the first member 100 (refer to FIGS. 3 and 4 together), and a screw at the top of the steel tower. A connection part 320 to be fastened is provided.
Then, the connection part 320 of the support member 300 is connected to the top of the steel tower T, and the rod-like part 310 of the support member 300 is inserted into the hollow part 115 of the first member 100. Thereby, the 1st member 100 is supported by the steel tower T so that attachment or detachment is possible upwards.
Then, the two connection wires W are attached between the two wire connection members 120 (shackles) provided on the first member 100 and the U bolt T12 provided on the top of the steel tower T.
In addition, when the U bolt T12 is not provided at the top of the steel tower T, four connection wires W are attached between the four shackles of the first member 100 and the tip of the upper main pillar T11. Also good. Alternatively, one connection wire may be passed through the U bolt T12 and each tip may be attached to two shackles. The number of wires and the method for attaching the wires are appropriately selected based on the shape and weight of the steel tower T, the specifications of the wire connecting member 120, and the like.

Next, as shown in FIG. 6, the upper member T1 and the lower member T2 of the steel tower T to be removed are temporarily set.
First, a step-like temporary fixing member 400 for temporarily fixing the upper main column material T11 to the lower main column material T21 is prepared. Then, the temporary fixing member 400 is temporarily fixed to the lower main column member T21 by tightening it at two locations with a shrimp vise 410 or the like, and the upper main column member T11 is supported by the stepped portion 401 of the temporary fixing member 400. The giant clam vise 410 is a public fastening member and will not be described in detail.
Then, the bolts connecting the upper member T1 and the lower member T2 are removed, and the upper member T1 and the lower member T2 are temporarily fixed.

In this way, the support member 300 is connected to the top of the upper member T1, the first member 100 is supported by the support member 300, the connection wire is attached between the first member 100 and the tower T, and the upper member of the tower T is removed. T1 and the lower member T2 are temporarily fixed, and the preparation on the tower side is completed.
The helicopter pilot flies to the position of the steel tower T to be removed, and suspends the second member 200 from the helicopter. Then, the second member 200 is connected to the first member 100.
At this time, as described above, the second member 200 is provided with the guide portion 220 having a conical inner peripheral surface, and the helicopter pilot can connect the fitting portion of the first member 100 as shown in FIG. The second member 200 is lowered while the top end of 112 is brought into contact with the inner peripheral side of the guide portion 220.
Thereby, the upper end of the fitting portion 112 of the first member 100 is guided to the opening 211 a of the fitted portion 211 of the second member 200 by the guide portion 220.

Then, when the helicopter pilot further lowers the second member 200, the top end of the fitting portion 112 is inserted from the opening 211a of the fitted portion 211 as shown in FIG. Locking portions 213 a provided on the four sides at the lower end of 211 are pressed upward by the tip above the fitting portion 112 of the first member 100, and upward in the rotating portion 212 of the fitted portion 211. The fitting portion 112 of the first member 100 is inserted into the fitted portion 211 of the second member 200 by rotating. In this state, the second member 200 is located at a connectable position with the first member 100 (a position where the first member 100 and the second member 200 are connected by simply lifting the second member 200).
Since the locking portion 213a is urged in the horizontal direction and the stopper 215 is provided, the fitting portion 112 of the first member 100 is inserted into the fitted portion 211 of the second member 200 ( In the state shown in FIG. 8, the locking portion 213a is returned to the original position (the locking member 213 is returned in the horizontal direction).
During this time, the indicator portion 213c of the locking member 213 rotates downward simultaneously with the locking portion 213a rotating upward, and returns to the horizontal simultaneously with the locking portion 213a returning to the original position. When the pilot of the helicopter visually recognizes that the indicator portion 213c has returned to the horizontal direction after rotating downward, the fitting portion 112 of the first member 100 is inserted into the fitted portion 211 of the second member 200. It is determined that the second member 200 is positioned at the connectable position.

When it is determined that the fitting portion 112 of the first member 100 is inserted into the fitting portion 211 of the second member 200 as described above, the helicopter pilot raises the helicopter. Accordingly, as shown in FIG. 9, the stepped portion 111 of the first member 100 is locked on the upper surface of the locking portion 213 a of the second member 200, and the first member 100 and the second member 200 are connected. Further, when the helicopter is raised, the first member 100 is detached from the support member 300.
In addition, the relative positional relationship between the first member 100 and the second member 200 in the state where the stepped portion 111 of the first member 100 passes through the opening 211a shown in FIG. 8 (the second member 200 is at a connectable position). 9) and the relative relationship between the first member 100 and the second member 200 in the state where the stepped portion 111 of the first member 100 is locked on the upper surface of the locking portion 213a of the second member 200. The basic positional relationship (the relationship at the position where the second member 200 is connected) corresponds to the “connection position” of the present invention.

  When further raised, as shown in FIG. 10, the shackle provided on the U-bolt T <b> 12 at the top of the steel tower T and the connection wire W attached to the shackle provided on the wire connecting member 120 of the first member 100 are moved upward. The upper member T1 of the steel tower T is lifted up. At this time, the temporary fixing (refer to FIG. 6) of the upper member T1 and the lower member T2 of the steel tower T is released by the lifting force.

Subsequently, the lower member T2 of the steel tower T is removed.
First, the support member 300 is connected to the top of the lower member T2. At this time, the support member 300 is connected to the top of any of the four lower main column members T21. In addition, the first member 100 is supported by the support member 300, and four connection wires are attached between the four shackles of the first member 100 and the tops of the lower main column members T <b> 21 of the steel tower T. Then, the lower member T2 and the leg member T3 of the steel tower T to be removed are temporarily fixed, and the preparation on the steel tower side is completed.
Since the subsequent procedure is the same as that of the upper member T1, detailed description thereof will be omitted.

  According to the present embodiment, the second member 200 is provided with the guide portion 220 that guides the second member 200 to the connection position. According to this, the fitting part of the first member 100 is lowered by lowering the second member 200 while bringing the upper end of the fitting part 112 of the first member 100 into contact with the inner peripheral side of the guide part 220. An upper end of 112 is guided to the opening 211 a of the fitted portion 211 of the second member 200 by the guide portion 220. When the second member 200 is further lowered, the top end of the fitting portion 112 is inserted from the opening 211 a of the fitted portion 211. Therefore, the pilot of the helicopter does not need to accurately align the first member 100 and the second member 200, and the guide portion 220 of the second member 200 is substantially aligned with the fitting portion 112 of the first member 100 by the helicopter. The first member 100 and the second member 200 can be simply connected by an operation that simply lowers the first member 100. Thereby, the existing steel tower T can be removed easily.

  Moreover, according to this Embodiment, after attaching the supporting member 300 to the steel tower T and supporting the 1st member 100 with the supporting member 300, in the state which connected the 1st member 100 and the 2nd member 200, it is 2nd. By lifting the member 200, the first member 100 is easily removed from the support member 300. Therefore, the first member 100 is reliably supported by the steel tower T by the support member 300 before the steel tower T is lifted, and is easily removed from the support member 300 when the steel tower T is lifted. Thereby, it is not necessary to arrange a worker who separates the support member 300 and the first member 100 on the steel tower T side, and the first member 100 may be disposed on the support member 300 in advance.

Further, according to the present embodiment, the second member 200 is provided with the guide portion 220 having a conical inner peripheral surface at the opening of the fitted portion 211, so that the second member 200 can be efficiently used. It is guided to the connecting position with the first member 100 with a simple configuration.
Moreover, according to this Embodiment, the level | step-difference part 111 of the 1st member 100 is latched by the latching | locking part 213a of the 2nd member 200, and the 1st member 100 and the 2nd member 200 can be connected reliably. .

  In addition, since the indicator portion 213c is provided on the second member of the present embodiment, a helicopter pilot who connects the first member 100 and the second member 200 to lift the steel tower holds the second member 200. Easy to determine when to lift. Therefore, the pilot of the helicopter can easily lift the steel tower T. Further, it is not necessary to send a signal or the like by determining the timing at which another worker can lift the second member 200 (that is, the steel tower T) at the position of the steel tower T, and the helicopter operator determines this in the sky. be able to. Therefore, it is possible to reduce the man-hours and costs of the work and the work period.

(Second Embodiment)
In the tower transport auxiliary device of the present embodiment, if the stepped portion 111 of the first member 100 passes through the opening of the fitted portion of the second member (if the second member is located at the connectable position). ), The first notification lamp provided at a position visible to the helicopter pilot is turned on. Further, when the stepped portion 111 of the first member 100 is locked to the locking portion provided on the second member (when the second member is located at a position where the second member is connected), the second notification lamp is turned on. Has been.
In addition, in the steel tower conveyance auxiliary device of the present embodiment, the first member 100 and the support member 300 are configured in the same manner as in the first embodiment, and thus description thereof is omitted. Further, the outline of the procedure for removing the existing steel tower (refer to FIG. 1 and FIG. 2 together) is the same as that of the first embodiment, and therefore the description thereof is omitted. In the present embodiment, the configuration of the “display member” for the helicopter operator to determine the connection state of the first member 100 and the second member 500 is different from that of the first embodiment.
FIG. 11 is a front view and a top view of the second member 500 of the present embodiment. 12 to 15 show details of an operation in which the notification lamp provided on the second member 500 is turned on by positioning the second member 500 at the connection position.

First, the structure of the 2nd member 500 is demonstrated using FIG. 11, FIG.
The second member 500 includes a main body 510 and a guide 520.
Around the main body 510, blue notification lamps 530 and 540 and a yellow notification lamp 550 having a shape in which the lighting state can be visually recognized are provided at positions where the lighting state can be visually recognized by the pilot of the helicopter. Further, a battery 560 for each notification lamp is provided in the vicinity of each notification lamp.
The main body 510 is formed in a substantially cylindrical shape, and is provided with a hollow fitted part 511 into which the fitting part 112 of the first member 100 is fitted. A connection portion 514 connected to the connection wire W suspended from the helicopter is provided at one end of the main body portion 510. A lock mechanism S is provided on the other end side of the main body 510.
The locking mechanism S is provided with locking members 513 and stoppers 515 at four locations in the circumferential direction of the fitted portion 511. Each locking member 513 is supported by the lock pin S1 so as to be rotatable about the lock pin S1 in the vertical direction shown in FIG. When the first member 100 and the second member 500 are not connected (the state shown in FIG. 12), each locking member 513 is urged by a spring provided on the lock pin S1, and each locking member 513. The to-be-fitted part 511 side is configured to stop in a state where it floats slightly above the stopper 515.

Limit switches 531, 532, 541, and 542 are provided on the main body 510 above the outer peripheral side of the lock pin S 1 of each locking member 513. The limit switches 531, 532, 541, 542 are stopped in a state where the fitted portion 511 side of each locking member 513 is slightly lifted upward when the first member 100 and the second member 500 are not connected. (Hereinafter, referred to as “stopped at the stop position”), the outer peripheral side portion (hereinafter referred to as a switch pressing portion) of each locking member 513 relative to the lock pin S1 is a limit. The switches 531, 532, 541, and 542 are away from each other and are in the off state.
The limit switches 531 and 532 are connected to the blue notification lamp 530 by wiring. When both of the limit switches 531 and 532 are turned on, that is, the stepped portion of the first member 100 is placed on the locking portion 513a of the two locking members 513 located in the left-right direction shown in the top view of FIG. When 111 is locked, the notification lamp 530 is turned on. The limit switches 541 and 542 are connected to the blue notification lamp 540 by wiring. When both of the limit switches 541 and 542 are turned on, that is, the stepped portion of the first member 100 is placed on the locking portion 513a of the two locking members 513 positioned in the vertical direction shown in the top view of FIG. When 111 is locked, the notification lamp 540 is turned on.
In addition, the main body 510 is provided with a limit switch 551 that detects that the fitting portion 112 of the first member 100 has reached the top portion 511b of the fitted portion 511. The limit switch 551 is in an off state when the first member 100 and the second member 500 are not connected. The limit switch 551 is connected to the yellow notification lamp 550 by wiring, and when the limit switch 551 is turned on, that is, the fitting portion 112 of the first member 100 is the top portion 511b of the fitted portion 511. Is reached (when the second member 500 has reached the connectable position), the notification lamp 550 is turned on.
The connection state of the first member 100 and the second member 500, the state of each limit switch, and the light emission state of each notification lamp will be described in detail later.
As with the second member 200 of the first embodiment, an inner peripheral surface centering on the opening 511a of the fitted portion 511 is conical at the end of the main body 510 on the lock mechanism S side. A part 520 is provided.

Next, with reference to FIGS. 12 to 15, the detailed procedure for removing the steel tower T using the steel tower conveyance auxiliary device (first member 100, second member 500, support member 300) is described with the first member 100. A detailed procedure for connecting the second member 500 will be described. In the present embodiment, as shown in FIG. 6, the upper main pillar material T11 of the upper member T1 (the member forming the four corners of the steel tower T) is outside the lower main pillar material T21 of the lower member T2. A case will be described in which an existing steel tower T that is assembled and connected with bolts or the like (generally referred to as “external”) is removed.
First, as in the first embodiment, the support member 300 is connected to the top of the upper member T1, the first member 100 is supported by the support member 300, and a connection wire is attached between the first member 100 and the tower T, The upper member T1 and lower member T2 of the steel tower T to be removed are temporarily fixed, and the preparation on the steel tower side is completed.
The helicopter pilot flies to the position of the steel tower T to be removed, and suspends the second member 500 from the helicopter. Then, the second member 500 is connected to the first member 100.
At this time, as shown in FIG. 12, the second member 500 is provided with the guide portion 520 whose inner peripheral surface is conical as described above, and therefore, the tip above the fitting portion 112 of the first member 100 is The guide portion 520 is guided to the opening portion 511 a of the fitted portion 511 of the second member 500.

When the pilot of the helicopter further lowers the second member 500, the top end of the fitting portion 112 is inserted from the opening 511a of the fitted portion 511 as shown in FIG. Locking portions 513a provided on the four sides of the lower end of 511 are pressed upward by the upper tip of the fitting portion 112 of the first member 100 to rotate upward, and the second member 500 is fitted. The fitting part 112 of the first member 100 is inserted into the part 511.
Further, when the second member 500 is lowered, the top end of the fitting portion 112 reaches the top portion 511b of the fitted portion 511 as shown in FIG. At the same time, the limit switch 551 is pressed by the fitting portion 112 and is turned on. When the limit switch 551 is turned on, the yellow notification lamp 550 (also see FIG. 11) is turned on.
At this time, the locking member 513 is urged and returned to the stop position.
In this state, when the helicopter pilot slightly raises the helicopter and raises the second member 500 slightly, the stepped portion 111 of the first member 100 becomes the locking portion 513a of the second member 500 as shown in FIG. The first member 100 and the second member 500 are connected to each other. As a result, the switch pressing portion of the locking member 513 rotates about the lock pin S1 below the stop position, whereby the limit switches 531, 532, 541, and 542 are pressed and turned on. When the limit switches 531 and 532 are turned on, the blue notification lamp 530 is turned on. Further, when the limit switches 541 and 542 are turned on, the blue notification lamp 540 is lit. At this time, since the limit switch 551 has returned to the off state, the yellow notification lamp 550 is turned off.
Thus, the pilot of the helicopter has surely inserted the fitting portion 112 of the first member 100 into the fitted portion 211 by turning on the yellow notification lamp 550 (the second member 500 is connected). And that the blue notification lamps 530 and 540 are both lit, so that the stepped portion 111 of the first member 100 is reliably on the upper surface of the locking portion 513a of the second member 500. It is determined that the second member 500 has reached the position where the second member 500 is connected, and the connection between the first member 100 and the second member 500 is confirmed.
Then, the pilot of the helicopter further raises the helicopter and separates the first member 100 from the support member 300.
Since the subsequent procedure is the same as that of the first embodiment, the description thereof is omitted.
“Notification lamps 530 and 540” of the present embodiment correspond to “second display means” of the present invention, and “notification lamp 550” of the present embodiment corresponds to “first display means” of the present invention. To do.

  If the steel tower conveyance auxiliary device of the present embodiment is used, the helicopter pilot can reliably insert the stepped portion 111 of the first member 100 into the fitted portion 511 beyond the connection position with the second member 500. This can be easily determined. Further, it can be easily determined that the stepped portion 111 of the first member 100 is securely locked to the locking portion 513a of each locking member 513.

In the present embodiment, when the top end of the fitting portion 112 of the second member 500 reaches the top portion 511b of the fitted portion 511, the yellow notification lamp 550 is turned on. What is necessary is just to comprise so that the yellow alert lamp 550 may be lighted, if the level | step-difference part 111 of the fitting part 112 passes the position of the latching | locking part 513a.
In the present embodiment, when one blue notification lamp is connected to the two engaging portions 513a located diagonally, and both the two blue notification lamps are lit, the first member 100 and the second member 500 are Although the case where it is determined that the connection has been made has been described, the number of notification lamps, the number of locking portions 513a, and the corresponding relationship are not limited to the present embodiment. For example, in the present embodiment, the case where the locking members 513 are provided at four positions at equal intervals in the circumferential direction on the inner peripheral side of the substantially cylindrical fitted portion 511 has been described. May be provided at two or three locations in the circumferential direction on the inner peripheral side of the fitted portion 211. And the notification lamp may be provided separately corresponding to each locking member 513, or only one may be provided.
In the present embodiment, the notification lamps 530, 540, and 550 are described as being appropriately turned on, but may be configured to blink.
Further, a notification lamp (first display means) for notifying when the stepped portion 111 of the fitting portion 112 passes the position of the locking portion 513a (when the second member 500 has reached the connectable position), or the first member. Any one of notification lamps (second display means) for notifying that 100 and the second member 500 are securely connected (reach the position where the second member 500 is connected) may be provided. .

Note that the present invention is not limited to the configuration described in the embodiment, and various changes, additions, and deletions are possible.
In the embodiment, the case where the fitting part 112 is provided in the first member 100 and the fitted parts 211 and 511 and the guide parts 220 and 520 are provided in the second member 200 and 500 has been described. One member 100 may be provided with a fitted portion and a guide portion, and the second member 200, 500 may be provided with a fitting portion. That is, the member provided with the fitting portion and the guide portion as shown in FIG. 5 is arranged on the tower T side as the first member, and the member provided with the fitting portion as shown in FIG. It is good also as a structure which suspends from a helicopter as two members, and connects both members. In this case, since the members as shown in FIG. 5 are arranged on the tower T side in the upside down direction shown in FIG. 5, the locking portion of the lock mechanism can of course be rotated downward. It is configured.
In the embodiment, the case where the first member 100 and the second member 200, 500 are connected and lifted by a helicopter has been described. However, the lifting device may be another lifting device such as a crane truck, for example.
Further, in the first embodiment, whether the first member 100 is inserted into the second member 200 when the pilot of the helicopter visually recognizes the operation of the indicator portion 213c that rotates together with the locking portion 213a ( The connection state of the first member 100 and the second member 200) was determined. In the second embodiment, the helicopter pilot visually recognizes the notification mode of the notification lamps 530, 540, and 550, and determines the connection state between the first member 100 and the second member 500. However, for example, a signal indicating the connection state of the first member 100 and the second member 200, 500 may be transmitted to the helicopter corresponding to the operation of the locking portions 213a, 513a. According to this, when it is difficult to visually recognize the operation of the indicator portion 213c (for example, when the altitude of the helicopter is high, when the pilot's eyesight is weak, or when the visibility is poor, etc.), the notification lamps 530, 540, 550 Even when it is difficult to visually recognize the lighting state, the connection state of the first member 100 and the second member 200, 500 can be reliably confirmed.
Further, in the present embodiment, the case where the inner peripheral surface of the guide portion 220 is formed in a conical shape has been described, but the shape of the guide portion 220 is not limited to the present embodiment, and the first member The shape that can guide the tip of the fitting portion 112 of 100 to the opening 211a of the fitted portion 211 of the second member, that is, from the connection position side to the side where the first member 100 approaches (see FIG. 5) Any shape may be used as long as the inner peripheral diameter is increased (from the upper side to the lower side).
Further, in the present embodiment, the steel tower T in which the upper member T1 is externally connected to the lower member T2 has been described, but actually, the steel tower T is a portion where crossed diagonal members are provided. Is a unit, and each unit is alternately connected to a plurality of units, either externally or internally. Then, the steel tower is divided and removed at the connection portion where the upper unit is externally connected to the lower unit (the upper portion from this connection portion is the upper member T1, the lower portion from this connection portion) Corresponds to the lower member T2 of this embodiment.) It is preferable to easily remove the upper unit from the lower unit. On the other hand, when the steel tower is divided and removed at the portion where the upper unit is connected to the lower unit using the auxiliary equipment for transporting the steel tower of the present invention, A temporary fixing member configured to support the upper main column material with the lower main column material on the inner side (the temporary fixing member 400 illustrated in FIG. 6 is the lower main column material T21 and the upper main column material T11 on the outer side of the tower T. Is used. Further, when the helicopter is lifted, for example, the upper main column members are lifted while pressing the upper main column members inward or pressing the lower main column members outward so that the upper members are not caught by the lower members.
Moreover, although this embodiment demonstrated the case where the existing steel tower T was removed using a helicopter, the auxiliary equipment for steel tower conveyance of this invention is widely used when conveying the steel tower or the member which divided | segmented the steel tower. Can do. Therefore, when assembling a steel tower, it can be used also when conveying the member which divided | segmented the steel tower to the installation place of a steel tower.
The first member 100 may be provided with a position display member 130 as shown in FIG. The position display member 130 is configured by combining a wire attachment member 113 provided at four equal intervals in the circumferential direction of the first member 100 and a pipe member in a cross shape at four positions in the circumferential direction that do not overlap. Has been. According to this, the employee of the helicopter can easily confirm the position where the first member 100 is disposed.
In the embodiment, the first member 100 and the steel tower T1 are connected using the connection wire W, but a belt sling or the like may be used. According to this, at the time of conveyance of a steel tower, there is less possibility of damaging a steel tower than the case where a connection wire is used.
Moreover, the inner peripheral surfaces of the guide portions 220 and 520 may not be formed in a conical shape, and may be formed in a pyramid shape in which panels are bonded together. The guide portions 220 and 520 only need to guide the fitted portions 211 and 511 of the second members 200 and 500 to the fitting portion 112 of the first member 100.
If the material of the guide parts 220 and 520 is a metal or the like, the guide parts 220 and 520 having high strength can be configured. Moreover, if it is a material which has transparency, the guidance parts 220 and 520 can visually recognize how the fitting part 112 of the first member 100 is guided to the fitted parts 211 and 511 of the second members 200 and 500. Can be configured.
In the present embodiment, the case where the support member 300 that removably supports the first member 100 is attached to the steel tower T and the first member 100 is placed on the support member 300 has been described. It can be omitted. For example, the steel tower conveyance auxiliary device of the present invention may be configured to fix the first member to the steel tower T in advance. In this case, the connecting portion in which the first member is connected to the steel tower is configured to be elastically deformable, and the loads in various directions applied to the connecting portion of the first member and the second member 200 are reduced when being transported. It is preferable to be configured as described above. In addition, for example, the first member is provided with a protrusion that protrudes downward in the vertical direction, the tower is provided with a hole that fits the protrusion, and the hole on the tower and the protrusion of the first member are provided. By making it fit, you may be comprised so that a 1st member may be detachably mounted in a steel tower.

The present invention can also be configured as the following method.
For example, “(Aspect 1) The first member is connected to the steel tower via the connecting member,
A second member connectable to the first member is suspended from the helicopter;
In a state where the first member and the second member are connected, a tower transportation method for lifting the tower by lifting the second member with a helicopter,
Either one of the first member and the second member is provided with a guide member that guides the second member to the connection position, and the helicopter lowers the second member toward the first member. Then, the second member is guided to the connecting position by the guide member, and the first member and the second member are connected.
A steel tower conveying method characterized by the above. Can be configured.
According to the steel tower transport method of this aspect, the helicopter operator does not need to accurately align the first member and the second member, and only moves the second member downward toward the first member. Thus, the first member and the second member can be easily connected to each other. Therefore, the existing steel tower can be easily removed.

The outline | summary of the procedure which removes the upper member T1 of the existing steel tower T using the auxiliary equipment for steel tower conveyance is shown. The outline | summary of the procedure which removes the lower member T2 of the existing steel tower T using the auxiliary equipment for steel tower conveyance is shown. The detailed structure of the 1st member 100 is shown. The detailed structure of the 1st member 100 is shown. The detailed structure of the 2nd member 200 is shown. The structure which temporarily fixes the upper member T1 and lower member T2 of the steel tower T to remove is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 200 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 200 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 200 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 200 a connection state in a connection position is shown. It is the front view and top view of the 2nd member 500 of 2nd Embodiment. The detail of the procedure which makes the 1st member 100 and the 2nd member 500 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 500 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 500 a connection state in a connection position is shown. The detail of the procedure which makes the 1st member 100 and the 2nd member 500 a connection state in a connection position is shown. The 1st member 100 in which the position display member 130 was provided is shown.

100 First member 110 Main body 111 Stepped portion 112 Fitting portion 113 Wire attaching portion 114 Mounting hole 115 Hollow portion 120 Wire connecting member 130 Position display member 200, 500 Second member 210, 510 Main portion 211, 511 Fitted portion 211a , 511a Opening part 212 Rotating part 213, 513 Locking member 213a, 513a Locking part 213b Supporting part 213c Indicator part 214, 514 Connecting part 215, 515 Stopper 220, 520 Guide part 300 Supporting member 310 Rod-like part 320 Connecting part 400 Temporary fixing member 410 Parachute vise 530, 540, 550 Notification lamp 531, 532, 541, 542, 551 Limit switch 560 Battery T Steel tower T1 Upper member T11 Upper main column member T12 U bolt T2 Lower member T21 Lower main column member T3 Leg Element

Claims (7)

A first member connected to a steel tower via a connecting member and a second member connectable to the first member, the second member being lifted in a state where the first member and the second member are connected It is a tower transport auxiliary device that lifts the tower by
A support member attached to the steel tower and detachably supporting the first member;
One member of the first member and the second member has an opening through which the other member passes when the second member moves to a connecting position where the first member and the second member are connected. And a guide member for guiding the other member to the opening,
In addition, an engagement mechanism that connects the first member and the second member at the connection position is provided,
The engaging mechanism includes a stepped portion provided on the other member and a locking portion provided on the one member, and the locking portion is between a position where the opening is closed and a position where the opening is opened. And is urged in a direction to close the opening,
When the other member presses the locking portion provided on the one member from the guide member side, the locking portion moves in a direction to open the opening from a position where the opening is closed, Thus, when the other member passes through the opening and the stepped portion provided on the other member passes through the opening, the locking portion returns to a position to close the opening, thereby The tower tower auxiliary device is configured so that a stepped portion provided on the other member can be engaged with a locking portion provided on the one member. The steel tower transport auxiliary device according to claim 1,
The other member has a substantially cylindrical fitting portion, and the fitting portion is provided with the stepped portion at a position of a predetermined length from the tip, and has a tip more than the stepped portion. An auxiliary apparatus for transporting a steel tower, characterized in that the diameter is reduced toward the tip. An auxiliary apparatus for transporting a steel tower according to claim 1 or 2,
The support member has a rod-shaped portion,
The first member has a hollow part into which the rod-like part of the support member can be detachably inserted. An auxiliary device for transporting a steel tower according to any one of claims 1 to 3,
The tower transport auxiliary device, wherein the guide member has a guide surface formed so that an inner peripheral diameter is sequentially increased from the opening side to the side opposite to the connection position. It is an auxiliary apparatus for steel tower conveyance in any one of Claims 1-4,
An auxiliary device for transporting a steel tower, characterized in that display means is provided to indicate that the other member is located at the connection position. The steel tower transport auxiliary device according to claim 5,
The display means has a display member that moves in conjunction with the movement of the locking portion and that protrudes to the outside of the other member. . The steel tower transport auxiliary device according to claim 5,
The display means includes a first display means for displaying that a stepped portion provided in the other member is located at a position passing through an opening provided in the one member, and the other member. A tower conveyance comprising: at least one of second display means for indicating that the step portion provided on the first member is engaged with the engaging portion provided on the one member. Auxiliary equipment.

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