JP5934011B2 - Crane brace - Google Patents

Description

  The present invention relates to a crane bracing device.

  Applicant previously stated that at both ends in the longitudinal direction of the hanger, a pair of ropes pulled out from the drum, and these ropes form triangles a to d between the hanger and the trolley, respectively. , So that the hypotenuses are facing away from each other, and at both ends in the lateral direction of the suspension, a pair of ropes pulled out from the drum, and these ropes between the suspension and the trolley A crane rope-hanging structure has been filed (see, for example, Patent Document 1) in which triangles e to h are formed and the hypotenuses thereof are spanned so as to face each other and all triangles a to h formed by ropes are congruent. reference.).

JP 2010-126289 A

  Although the conventional invention is an excellent invention that has a simple structure and high responsiveness, and that can cope with a high head and a high speed, an object of the present invention is to further improve the anti-sway function. .

Vibration stopper apparatus for a crane according to claim 1 of the present invention is to roping double V-shaped rope rear drum at between the front end of the trolley and the crane, a front portion of the trolley that the rope ends connect two animals cylinders arranged in, and roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, distribution and the respective rope ends to the rear of the trolley and connected to the two horses cylinder, the ropes of said rear drum and roping double the inverted V-shape in between the right side portion of the hanger and the trolley, hanging the rope of said front drum and the trolley and roping double the inverted V-shape in between the left side portion of the sushi, and to connect the rope end which is roping the side portion of the hanger rope operation portion provided between both drums, each rope The lifting device from the trolley A portion to be stretched while being headed inclined, characterized in that from the hanger in a state of being inclined in the same direction and a portion which is stretched toward the trolley and this part is there.

Vibration stopper apparatus for a crane according to claim 2 of the present invention is to roping double V-shaped rope rear drum at between the front end of the trolley and the crane, a front portion of the trolley that the rope ends connect two animals cylinders arranged in, and roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, distribution and the respective rope ends to the rear of the trolley and connected to the two horses cylinder, the ropes of said rear drum and roping double the inverted V-shape in between the right side portion of the hanger and the trolley, hanging the rope of said front drum and the trolley and roping double the inverted V-shape in between the left side portion of the sushi, and to connect the rope end which is roping the side portion of the hanger rope operation of the link structure provided between the drum, the Each rope is the trolley Characterized by having a portion which is stretched and a portion which is stretched toward the trolley from the hanger in a state of being inclined in the same direction as this portion in an inclined toward the hanging member It is what.

Vibration stopper apparatus for a crane according to claim 3 of the present invention is to roping double V-shaped rope rear drum at between the front end of the trolley and the crane, a front portion of the trolley that the rope ends connect two animals cylinders arranged in, and roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, distribution and the respective rope ends to the rear of the trolley 2
Connected to the head cylinder, wherein the rope of the rear drum is roping the doubly inverted V-shape in between the right side portion of the hanger and the trolley, the ropes said hanger and said trolley of said front drum and roping double the inverted V-shape in between the left side portion and provided each rope end which is roping on each side of the hanger between the two drums, further parallel a plurality of two horses fluid cylinder The rope is connected to a rope operating section having a structure arranged in the section, and each rope is stretched in a state inclined from the trolley toward the suspension, and the suspension is inclined in the same direction as this section. And a portion extending from the tool toward the trolley .

  According to the present invention, the rope is double-rotated in a V shape between the front and rear ends of the trolley and the hanging tool, and the rope is double-rotated in an inverted V-shape on both the left and right sides of the trolley and the hanging tool. Therefore, the vibration stops due to the tension of the rope. In addition, no special mechanism for stopping the swing is required.

  Furthermore, since two cylinders are installed on the front and rear of the trolley, and a rope operation unit is provided between the front and rear drums, the suspension can be moved from above the trolley.

  In addition, since all the ropes leading from the drum to the suspension are routed through the fixed sheave, there is no difference in the roping change caused by the change in the drum winding position due to the lifting and lowering of the suspension. By forming the triangle, it is possible to obtain a higher steadying performance than the roping of Patent Document 1.

It is a perspective view of a transfer crane to which the present invention is applied. It is a side view of the anti-crane device for a crane according to the present invention. It is a front view of the anti-crane device of a crane concerning the present invention. It is a top view of the anti-crane device of a crane concerning the present invention. It is operation | movement explanatory drawing of the anti-crane apparatus of the crane which concerns on this invention. It is operation | movement explanatory drawing of the anti-crane apparatus of the crane which concerns on this invention. It is a top view which shows the other embodiment of the rope operation part which concerns on this invention. It is a top view which shows other embodiment of the rope operation part which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the transfer crane 40 has a crane main body 41 formed in a gate shape, and the container storage zone is usually moved in the direction of arrow A by four sets of front and rear rubber tires 43 provided on the legs 42. Can be moved to.

  The transfer crane 40 includes a trolley 45 that can traverse the girder 44 of the crane body 41 in the direction of arrow B, and a plurality of wire ropes (hereinafter, ropes) drawn from a drum (not shown) on the trolley 45. The hanger 30 is held by R. Reference numeral 50 denotes a container for sea transportation.

  As shown in FIG. 4, the trolley 45 includes a pair of front and rear drums D1 and D2, a sheave 1, 2 and a two-head cylinder C1 in front of the drum D1, and a sheave 1 ′, 2 behind the drum D2. 'And a two-headed cylinder C2. As shown in FIG. 2, the trolley 45 includes sheaves 3 and 4 below the drum D1, and sheaves 3 'and 4' below the drum D2.

  As shown in FIG. 3, the sheaves 1 and 3 are disposed on the left side of the trolley 45, and the sheaves 2 and 4 are disposed on the right side of the trolley 45. Similarly, the sheaves 1 ′ and 3 ′ are disposed on the left side of the trolley 45, and the sheaves 2 ′ and 4 ′ are disposed on the right side of the trolley 45.

  On the other hand, as shown in FIG. 3, the hanging tool 30 includes sheaves 5 and 6 in the center of the front part thereof. Sheaves 5 ′ and 6 ′ are provided at the center of the rear portion of the hanging tool 30. Note that the sheaves 5 and 6 are provided so as to substantially overlap in front view. Similarly, the sheaves 5 ′ and 6 ′ are also provided so as to substantially overlap in front view.

  Here, the sheaves 1, 1 ', sheaves 2, 2', sheaves 5, 6 and sheaves 5 ', 6' are directed in the direction of arrow A, but sheaves 3, 4 and sheaves 3 ', 4' are , Facing in the direction of arrow B.

  Further, as shown in FIG. 4, the trolley 45 has sheaves 9 and 10 and sheaves 9 'and 10' arranged in the middle of the drums D1 and D2. The sheaves 9 and 10 are provided adjacent to the right side of the trolley 45, and the sheaves 9 ′ and 10 ′ are provided adjacent to the left side of the trolley 45.

  As shown in FIG. 2, sheaves 11, 12 and sheaves 11 ', 12' are provided below the sheaves 9, 10 and sheaves 9 ', 10'. At this time, the sheaves 11 and 12 are located on the drum D1 side, and the sheaves 11 'and 12' are located on the drum D2 side.

  The hanger 30 includes sheaves 7 and 8 at the front portion thereof and sheaves 7 'and 8' at the rear portion thereof. The sheaves 7 and 7 ′ are disposed on the left side of the hanging tool 30, and the sheaves 8 and 8 ′ are disposed on the right side of the hanging tool 30. Here, the drums D1 and D2, the sheaves 7 to 12 and the sheaves 7 'to 12' are arranged in the arrow B direction.

  As shown in FIG. 4, an operation unit 20 is provided at an intermediate portion between the drums D1 and D2. The operation unit 20 includes a link structure unit 21 and a cylinder C3. The link structure portion 21 has a link 23 pivotally attached to a base portion 22 by a support shaft such as a pin, and the links 24 and 24 ′ can be pivoted to an end portion of the link 23 by a support shaft such as a pin. It has a structure that is attached to the shaft. The cylinder C3 has a telescopic rod coupled to the base portion 22. At this time, the link 23 faces the arrow B direction, but the other links face the arrow A direction.

  The sheaves 9 and 10 have a sheave 13 disposed on the drum D1 side and a sheave 14 disposed on the drum D2 side. Similarly, the sheaves 9 'and 10' have a sheave 13 'on the drum D1 side and a sheave 14' on the drum D2 side.

The four ropes R1 to R4 drawn from the drum D1 and the four ropes R5 to R8 drawn from the drum D2 are roped as follows. That is,
(I) Rope R1: Drum D1, sheave 3 ', sheave 5', sheave 1 ', left end of two-head cylinder C2.

  (Ii) Rope R2: Drum D1, sheave 4 ', sheave 6', sheave 2 ', right end of two-head cylinder C2.

(Iii) Rope R8 : Drum D1, sheave 11 ′, sheave 7 ′, sheave 9 ′, sheave 13 ′, and the rear end of link 24 .

  (Iv) Rope R4: Drum D1, rear end of sheave 12 ', sheave 8', sheave 10 ', sheave 14', link 24 '.

(V) Rope R5: Drum D2, sheave 3, sheave 5, sheave 1, 2 cylinder C1
The left edge of

  (Vi) Rope R6: Drum D2, sheave 4, sheave 6, sheave 2, right end of two-head cylinder C1.

  (Vii) Rope R7: Drum D2, sheave 11, sheave 7, sheave 9, sheave 13, and front end of link 24.

(Viii) Rope R3 : Drum D2, sheave 12, sheave 8, sheave 10, sheave 14, and front end of link 24 ' .

  As shown in FIG. 2, the ropes R7, R3 and the ropes R8, R4 are rotated in an inverted V shape and the inverted V shape by the roping of (iii), (iv), (vii), (viii). The roping has a double structure in which the shape portions are parallel.

  Therefore, as shown in FIG. 5, component forces F7 and F3 of tensions T7 and T3 acting on the plurality of ropes R7 and R3, and component forces F8 and F7 of tensions T8 and T4 acting on the plurality of ropes R8 and R4, Since they face each other, for example, they are less likely to swing in the direction of arrow A compared to the conventional single-layer roping. In addition, even if a shake in the direction of arrow A occurs, it converges quickly.

  Further, as shown in FIG. 3, the ropes R5, R1 and the ropes R6, R2 are roped in the V shape by the roping of the above (i), (ii), (v), (vi) and the V shape. The roping has a double structure in which the shape portions are parallel.

Accordingly, as shown in FIG. 6, component forces F5 and F1 of tensions T5 and T1 acting on the plurality of ropes R5 and R1, and component forces F6 and F2 of tensions T6 and T2 acting on the plurality of ropes R6 and R2. Are facing away from each other, for example, it is less likely to sway in the direction of arrow B compared to the conventional single-layer roping. Moreover, even if the shake in the direction of arrow B occurs, it converges quickly.

  On the other hand, when the link structure 21 is moved in the direction of the drum D1 by the cylinder C3 of the operation unit 20, the hanging tool 30 is moved in the direction of the drum D1. Conversely, when the link structure portion 21 is moved in the direction of the drum D2 by the cylinder C3 of the operation portion 20, the hanger 30 moves in the direction of the drum D2.

  In FIG. 4, when the ropes R1, R5 are pulled by the two-head cylinders C1, C2, the lifting tool 30 moves to the left in FIG. 3, and conversely, the ropes R2, R6 are pulled by the two-head cylinders C1, C2. Then, the hanger 30 moves to the right in FIG.

  In FIG. 4, when the rope R5 is pulled by the two-headed cylinder C1 and the rope R2 is pulled by the two-headed cylinder C2, the hanging tool 30 is skewed in the clockwise direction. Conversely, when the rope R6 is pulled by the two-head cylinder C1 and the rope R1 is pulled by the two-head cylinder C2, the hanging tool 30 is skewed counterclockwise.

  The operation unit 20 is not limited to that shown in FIG. For example, a link structure as shown in FIG. 7 may be used. This operating portion 20 'has links 25 and 26 arranged in parallel on both sides of the two-head cylinder C4, and links 27 and 28 arranged on both front and rear ends thereof are pivotally mounted by a support shaft such as a pin. It has a configuration.

  Further, as shown in FIG. 8, the operation unit 20 ″ may have two hydraulic cylinders C5 and C6 arranged in parallel. At this time, the two hydraulic cylinders C5 and C6 are hydraulic motors M. To drive.

  The two-head cylinders C1 and C2 include a fixed part (as a cylindrical part) and a rod that protrudes on both sides of the fixed part (cylindrical part) and moves (slides) as a unit. In addition, it is assumed that a fluid such as air pressure or an electric one is driven. For example, a fluid cylinder or an electric cylinder can be applied.

C1, C2 Two-head cylinder D1, D2 Drum R1 to R8 Rope 30 Hanging tool 20 Rope operation part 45 Trolley

Claims (3)

And roping double V-shaped rope rear drum at between the front end of the trolley and the crane, and connect the respective rope ends two animals cylinder arranged in front of the trolley,
And roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, and connect the respective rope ends two animals cylinder arranged in the rear of the trolley,
And roping double the inverted V-shaped rope of said rear drum in between the right side portion of the hanger and the trolley at between the left side portion of the hanger and the trolley ropes of the front drum and roping double the inverted V-shape, and, to connect the rope end which is roping the side portion of the hanger rope operation portion provided between both drum,
A portion in which each of the ropes is stretched in a state inclined from the trolley toward the suspension; and a portion in which the rope is inclined from the suspension in the same direction as the portion toward the trolley. A crane anti-vibration device characterized by comprising: And roping double V-shaped rope rear drum at between the front end of the trolley and the crane, and connect the respective rope ends two animals cylinder arranged in front of the trolley,
And roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, and connect the respective rope ends two animals cylinder arranged in the rear of the trolley,
And roping double the inverted V-shaped rope of said rear drum in between the right side portion of the hanger and the trolley at between the left side portion of the hanger and the trolley ropes of the front drum and roping double the inverted V-shape, and, to connect the rope end which is roping the side portion of the hanger rope operation of the link structure provided between the drum,
A portion in which each of the ropes is stretched in a state inclined from the trolley toward the suspension; and a portion in which the rope is inclined from the suspension in the same direction as the portion toward the trolley. A crane anti-vibration device characterized by comprising: And roping double V-shaped rope rear drum at between the front end of the trolley and the crane, and connect the respective rope ends two animals cylinder arranged in front of the trolley,
And roping the rope of the front drum double in a V-shape in between the rear end portion of the hanger and the trolley, and connect the respective rope ends two animals cylinder arranged in the rear of the trolley,
And roping double the inverted V-shaped rope of said rear drum in between the right side portion of the hanger and the trolley at between the left side portion of the hanger and the trolley ropes of the front drum and roping double the inverted V-shape, and each rope end which is roping on each side of the hanger is provided between the two drums, further, the structure is arranged in parallel a plurality of two horses fluid cylinder Connect it to the rope operation section ,
A portion in which each of the ropes is stretched in a state inclined from the trolley toward the suspension; and a portion in which the rope is inclined from the suspension in the same direction as the portion toward the trolley. A crane anti-vibration device characterized by comprising:

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