CN211366746U

CN211366746U - Special hoisting equipment for splicing and dismantling cantilever type segmental beam internal mold

Info

Publication number: CN211366746U
Application number: CN201921630124.2U
Authority: CN
Inventors: 周桥; 张明; 张志鹏; 夏辉; 刘立海; 王耐
Original assignee: Anhui Concrete Assembly Component Branch Of Fourth Engineering Co ltd Of Cccc Second Harbor Engineering Bureau
Current assignee: Anhui Concrete Assembly Component Branch Of Fourth Engineering Co ltd Of Cccc Second Harbor Engineering Bureau
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-08-28
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a special hoisting equipment is torn open to cantilever type festival section roof beam centre form piece together, including crane rack and hoist engine, crane rack includes the support, rotation axis, support arm and davit, the rotation axis with the support rotates to be connected, the one end of davit is fixed the rotation axis upper end, the hoist engine is fixed the davit bottom surface, the davit is close to the one end of support and has the pothook through the fix with screw, the support upper end has outside convex annular border on the ring-shaped, the pothook with border joint above the ring-shaped, davit bottom surface equidistance is fixed with a plurality of lugs one, the hanging has the fixed pulley on the lug one. The connection strength between the support and the suspension arm can be increased by arranging the clamping hook; the hoisting equipment is low in height, is placed on the high platform, and hoists the small inner cavity template of the segmental beam by using the fixed hoist, so that the safety risk is reduced.

Description

Special hoisting equipment for splicing and dismantling cantilever type segmental beam internal mold

Technical Field

The utility model relates to a hoisting equipment field, concretely relates to special hoisting equipment is assembled and disassembled to cantilever type festival section roof beam centre form.

Background

With the continuous promotion of bridge construction assembly, the prefabrication production is developed to intensification and scale, the safe and efficient production becomes the life line of enterprise development, and the contradiction between the traditional hoisting equipment and the efficient production is increasingly highlighted. In the small-block inner cavity template splicing and disassembling process of beam sections such as segment beam steering blocks, tooth blocks and the like, the traditional hoisting equipment is often applied to automobile cranes and large gantry cranes, the splicing and disassembling efficiency of the traditional hoisting equipment is too low, the operation space is limited, and illegal operations such as inclined pulling and inclined lifting are easy to occur. At present, a fixed-column type swing arm crane is generally used for hoisting the internal mold of the segmental beam, only one end of the swing arm crane is provided with a support, and the end without the support after a heavy object is hoisted can incline and is unstable in structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special hoisting equipment is assembled and disassembled to cantilever type festival section roof beam centre form to solve the unstable problem of hoist structure among the prior art.

The special hoisting equipment for splicing and disassembling the cantilever type section beam internal mold comprises a crane frame and a winch, wherein the crane frame comprises a support, a rotating shaft, a supporting arm and a suspension arm, the rotating shaft is rotatably connected with the support, one end of the suspension arm is fixed at the upper end of the rotating shaft, the winch is fixed on the bottom surface of the suspension arm, one end of the suspension arm close to the support is fixedly provided with a clamping hook through a screw, the upper end of the support is provided with an annular upper edge protruding outwards, the clamping hook is clamped with the annular upper edge, a plurality of first lifting lugs are fixed on the bottom surface of the suspension arm at equal intervals, and a fixed pulley is hung on the first lifting lugs.

Preferably, a ball groove is formed in the part, facing the annular upper edge, of the clamping hook, a sliding groove is formed in the bottom surface of the annular upper edge, a ball is mounted in the ball groove, and the ball rolls along the sliding groove when the suspension arm rotates.

Preferably, be equipped with the mounting hole on the bottom plate of support, the support arm is fixed the davit lower extreme is close to the support, the support arm lower extreme is fixed with the linking arm, the one end of linking arm is fixed with the slider, be equipped with annular slide rail on the support, the slider outside is the arc, the cross section of slider is "concave" shape, the depressed part of slider with annular slide rail matches, the slider with annular slide rail sliding connection.

Preferably, the connecting arm and the sliding block are communicated in a hollow mode, a fixed shaft is fixed inside the connecting arm and the sliding block, a friction wheel is mounted on the fixed shaft and is rotatably connected with the fixed shaft, a rotating motor is mounted on the connecting arm, an output shaft of the rotating motor extends into the connecting arm and is fixed to a shaft of the friction wheel, and the friction wheel is exposed out of the sliding block and is mutually pressed with the annular rail.

Preferably, the upper end of the suspension arm is fixed with the second lifting lug.

The utility model has the advantages that: the clamping hook is arranged, so that the connection strength between the support and the suspension arm can be increased, the stability is enhanced, and the friction force between the clamping hook and the support in the rotating process is reduced due to the fact that the ball is arranged on the clamping hook; the hoisting equipment is low in height, the size is reduced, the space is saved, the hoisting equipment is placed on a high platform, the small block inner cavity template of the segmental beam is hoisted by the fixed hoist, and the safety risk is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of a in fig. 1.

Fig. 3 is a cross-sectional view of the slide and the ring-shaped slide rail of the present invention.

The hoisting machine comprises a winch 1, a lifting lug I2, a fixed pulley 3, a support 4, a rotating shaft 5, a supporting arm 6, a suspension arm 7, a rotating motor 8, a bottom plate 9, an annular sliding rail 10, a sliding block 11, a clamping hook 12, a lifting lug II 13, a connecting arm 14, an annular upper edge 15, a sliding chute 16, a ball 17, a fixed shaft 18 and a friction wheel 19.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided to help those skilled in the art to more fully, accurately and deeply understand the concept and technical solutions of the present invention, through the description of the embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model provides a special hoisting equipment is pieced together in cantilever type segmental beam centre form, including crane frame and hoist engine 1, crane frame includes support 4, rotation axis 5, support arm 6 and davit 7, rotation axis 5 with support 4 rotates to be connected, the one end of davit 7 is fixed rotation axis 5 upper end, hoist engine 1 is fixed 2 bottom surfaces of davit, the one end that davit 7 is close to support 4 has pothook 12 through the fix with screw, there is outside convex annular border 15 on the annular in 4 upper ends of support, pothook 12 with border 15 joint on the annular, 7 bottom surfaces of davit equidistance are fixed with a plurality of lugs 2, hang fixed pulley 3 on lug 2.

The part of the hook 12 facing the annular upper edge 15 is provided with a ball groove, the bottom surface of the annular upper edge 15 is provided with a sliding groove 16, a ball 17 is arranged in the ball groove, and the ball 17 rolls along the sliding groove 16 when the suspension arm 7 rotates.

Be equipped with the mounting hole on the bottom plate 9 of support 4, support arm 6 is fixed 7 lower extremes of davit are close to support 4, 6 lower extremes of support arm are fixed with linking arm 14, the one end of linking arm 14 is fixed with slider 11, be equipped with annular slide rail 10 on the support 4, the outside arc that is of slider 11, slider 11's cross section is "concave" shape, slider 11's depressed part with annular slide rail 10 matches, slider 11 with annular slide rail 10 sliding connection.

The connecting arm 14 and the sliding block 11 are communicated in a hollow mode, a fixed shaft 18 is fixed inside the connecting arm 14 and the sliding block 11, a friction wheel 19 is installed on the fixed shaft 18, the friction wheel 19 is rotatably connected with the fixed shaft 18, a rotating motor 8 is installed on the connecting arm 14, an output shaft of the rotating motor 8 extends into the connecting arm 14 and is fixed to the shaft of the friction wheel 19, and the friction wheel 19 is exposed out of the sliding block 11 and is mutually pressed with the annular rail 10.

The upper end of the suspension arm 7 is fixed with the second lifting lug 13.

The working process of the utility model is as follows:

hoisting equipment is hoisted to a high platform by using a hoisting tool, bolts are embedded in the high platform and penetrate through mounting holes, nuts are screwed up to fix the hoisting equipment on the high platform, a fixed pulley 3 is hung on a lifting lug 2, positioning is rapid, a motor of a hoist 1 drives a rotary drum to loosen a rope, the rope bypasses the fixed pulley 3 and then is tied to an inner cavity template of a small block of a segmental beam or hooks the template through a hook, the rope is withdrawn to hoist the inner cavity template, a rotating motor 8 drives a friction wheel 19 to rotate, the friction wheel 19 enables a sliding block 11 to move along an annular sliding rail 10 and drives a hoisting arm 7 to rotate, the hoist 1 is always positioned above the high platform, potential safety hazards are reduced, the hook 12 is clamped at an annular upper edge 15 of a support 4, the hook 12 rolls along a sliding groove 16 when the hoisting arm 7 rotates, and the stability of the structure.

The above description is made for the exemplary purposes with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. The utility model provides a special hoisting equipment is assembled and disassembled to cantilever type segment roof beam centre form which characterized in that: including crane frame and hoist engine (1), crane frame includes support (4), rotation axis (5), support arm (6) and davit (7), rotation axis (5) with support (4) rotate to be connected, the one end of davit (7) is fixed rotation axis (5) upper end, hoist engine (1) is fixed davit (7) bottom surface, the one end that davit (7) are close to support (4) is fixed with pothook (12) through the screw, there is outside convex annular border (15) on support (4) upper end, pothook (12) with border (15) joint on the annular, davit (7) bottom surface equidistance is fixed with a plurality of lug (2), fixed pulley (3) have been hung on lug (2).

2. The special hoisting equipment for splicing and dismantling the cantilever type segmental beam internal mold according to claim 1, wherein: the hook (12) is towards be equipped with the ball groove on the position of annular upper limb (15), annular upper limb (15) bottom surface is equipped with spout (16), install ball (17) in the ball groove, when davit (7) is rotatory ball (17) are followed spout (16) roll.

3. The special hoisting equipment for splicing and dismantling the cantilever type segmental beam internal mold according to claim 1, wherein: be equipped with the mounting hole on bottom plate (9) of support (4), support arm (6) are fixed davit (7) lower extreme is close to support (4), support arm (6) lower extreme is fixed with linking arm (14), the one end of linking arm (14) is fixed with slider (11), be equipped with annular slide rail (10) on support (4), slider (11) outside is the arc, the cross section of slider (11) is "concave" shape, the depressed part of slider (11) with annular slide rail (10) match, slider (11) with annular slide rail (10) sliding connection.

4. The special hoisting equipment for splicing and dismantling the cantilever type segmental beam internal mold according to claim 3, wherein: the connecting arm (14) and the sliding block (11) are communicated in a hollow mode, a fixed shaft (18) is fixed inside the connecting arm (14), a friction wheel (19) is installed on the fixed shaft (18), the friction wheel (19) is rotationally connected with the fixed shaft (18), a rotating motor (8) is installed on the connecting arm (14), an output shaft of the rotating motor (8) extends into the connecting arm (14), the inside of the connecting arm (14) is fixed to the shaft of the friction wheel (19), and the friction wheel (19) is exposed out of the sliding block (11) and is mutually pressed with the annular sliding rail (10).

5. The special hoisting equipment for splicing and dismantling the cantilever type segmental beam internal mold according to claim 1, wherein: and the upper end of the suspension arm (7) is fixedly connected with a second lifting lug (13).