Bridge support lifting machine tool

Abstract

The utility model discloses a lifting machine tool for a bridge support. The lifting machine tool comprises a lifting machine body, a clamping assembly and a quick release assembly, according to the bridge support lifting machine tool, the clamping devices at the bottoms of the lifting ropes in the lifting machine body can clamp and fix the four edges of a bridge support piece before lifting through the movable frames and the clamping blocks on the four edges of the clamping devices, so that the stability of the bridge support piece in the lifting process is guaranteed, and meanwhile, the stability of the bridge support piece in the lifting process is guaranteed. The movable frame capable of adjusting different telescopic lengths is arranged in the clamp holder, and the clamping blocks capable of adjusting different clamping thicknesses are arranged at the lower end of the movable frame, so that the clamp holder can be suitable for hoisting bridge support pieces of different specifications and shapes, the stability in hoisting is guaranteed through four-side clamping, and the clamping blocks at the bottom of the movable strip can be used for clamping the bridge support pieces of different specifications and shapes. And the clamping blocks can also be conveniently and rapidly rotated after being hoisted through the rapid dismounting screws at the upper end, so that the clamping blocks are rapidly screwed out of the bottom of the bridge support part, and rapid dismounting of the bridge support part after being hoisted is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting machines, in particular to a hoisting tool for bridge bearings. Background Technique

[0002] A bridge bearing is an important structural component connecting the upper and lower structures of a bridge. It is located between the bridge and the cushion stone. Its main function is to reliably transfer the load and deformation borne by the upper structure of the bridge to the lower structure of the bridge. It is an important force-transferring device for the bridge. Hoisting tools for bridge bearings are indispensable important equipment in bridge construction. Their main function is to hoist bridge bearings at each construction node of the bridge.

[0003] For the existing hoisting tools for bridge bearings, during the hoisting of bridge bearings, most of them are fixed by ropes before hoisting. The rope fixing method is inconvenient to ensure good stability during the hoisting of bridge bearings, and it is also inconvenient for quick disassembly after hoisting of bridge bearings with different shapes and specifications. Therefore, we propose a hoisting tool for bridge bearings. Content of the Utility Model

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by the utility model is as follows:

[0006] A hoisting tool for bridge bearings, comprising: a hoisting machine body, a clamping assembly, and a quick-release assembly; the hoisting machine body includes a movable arm at its upper end and a lifting rope installed on the movable arm; the clamping assembly includes a clamp fixed at the bottom of the lifting rope, a bridge bearing member movably clamped at the bottom of the clamp, through holes arranged in the clamp, movable frames movably installed in the through holes, movable bars movably installed inside the outer sides of the movable frames, clamping blocks movably installed at the bottoms of the movable bars, notches arranged at the upper ends of the movable frames, a pressure plate movably installed at the center inside the clamp, and clamping rings fixedly arranged at the bottom of the pressure plate; the quick-release assembly includes third threaded holes opened in the movable bars and quick-release screws movably installed in the third threaded holes.

[0007] Preferably, the clamping ring is matched and clamped in the notch, and the notch is an arc-shaped structure.

[0008] Preferably, a first threaded hole is further opened at the center of the top of the clamp, a pressing screw is movably installed in the first threaded hole, and the bottom of the pressing screw is fixed to the upper end of the pressure plate.

[0009] Preferably, insertion holes are further arranged in rows on both sides of the movable bar, and second threaded holes are further arranged on both sides of the outer ends of the movable frame.

[0010] Preferably, adjusting screws are also movably installed in the second threaded holes and the jacks at the outer ends of the movable frames.

[0011] Preferably, the bottom of the quick-release screw is fixed to the upper end of the clamping block.

[0012] By adopting the above technical solutions, the beneficial effects obtained by the present utility model are as follows:

[0013] 1. In the present utility model, the gripper at the bottom of the lifting rope in the lifting machine body can clamp and fix the four sides of the bridge bearing member before hoisting through the movable frames and clamping blocks at its four sides, so as to ensure the stability during the hoisting of the bridge bearing member. At the same time, the movable frames with adjustable telescopic lengths in the gripper and the clamping blocks with adjustable clamping thicknesses at the lower ends of the movable frames also enable this gripper to be applicable to the hoisting of bridge bearing members of different specifications and shapes, and ensure the stability during hoisting through clamping on four sides;

[0014] 2. In the present utility model, the clamping block at the bottom of the movable strip can also be conveniently rotated after hoisting through the quick-release screw at the upper end, so as to quickly screw out the clamping block from the bottom of the bridge bearing member, thereby realizing the quick release after the hoisting of the bridge bearing member. Description of the Drawings

[0015] Figure 1 is the overall structure diagram of the present utility model;

[0016] Figure 2 is the structure diagram of the gripper and the bridge bearing member of the present utility model;

[0017] Figure 3 is the structure diagram of the gripper of the present utility model;

[0018] Figure 4 is the side cross-sectional view of the gripper of the present utility model;

[0019] Figure 5 is the bottom view of the pressure plate of the present utility model.

[0020] Reference Signs:

[0021] 100, lifting machine body; 101, movable arm; 102, lifting rope;

[0022] 200, clamping assembly; 201, gripper; 202, bridge bearing member; 203, through hole; 204, movable frame; 205, movable strip; 206, clamping block; 207, notch; 208, pressure plate; 209, snap ring; 210, first threaded hole; 211, pressing screw; 212, jack; 213, second threaded hole; 214, adjusting screw; 300, quick-release assembly; 301, third threaded hole; 302, quick-release screw. Detailed Embodiments

[0023] To make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and the features in the embodiments may be combined with each other.

[0024] The following describes a bridge bearing hoisting tool provided by some embodiments of the present utility model with reference to the accompanying drawings.

[0025] Embodiment 1:

[0026] As shown in Figures 1-5 , the bridge bearing hoisting tool provided by the present utility model includes: a hoisting machine body 100, a clamping assembly 200, and a quick-release assembly 300; the hoisting machine body 100 includes a movable arm 101 at its upper end and a lifting rope 102 installed on the movable arm 101; the clamping assembly 200 includes a clamp 201 fixedly installed at the bottom of the lifting rope 102, a bridge bearing member 202 movably clamped at the bottom of the clamp 201, through holes 203 arranged in the clamp 201, movable frames 204 movably installed in the through holes 203, movable bars 205 movably installed inside the outer sides of the movable frames 204, clamping blocks 206 movably installed at the bottoms of the movable bars 205, notches 207 arranged at the upper ends of the movable frames 204, a pressure plate 208 movably installed at the center inside the clamp 201, and snap rings 209 fixedly arranged at the bottom of the pressure plate 208; the snap rings 209 are fitted and engaged in the notches 207, and the notches 207 are of an arc structure. A first threaded hole 210 is also opened at the center of the top of the clamp 201, and a compression screw 211 is also movably installed in the first threaded hole 210, and the bottom of the compression screw 211 is fixed to the upper end of the pressure plate 208. Insertion holes 212 are also arranged on both sides of the movable bar 205, second threaded holes 213 are also opened on both outer ends of the movable frame 204, and adjustment screws 214 are also movably installed in the second threaded holes 213 and the insertion holes 212 at the outer ends of the movable frame 204.

[0027] Specifically, the bridge bearing is an important structural component connecting the upper and lower structures of the bridge. It is located between the bridge and the cushion stone and is an important force transmission device of the bridge. The bridge bearing hoisting machine is an indispensable important equipment in bridge construction. Its main function is to hoist the bridge bearing at each construction node of the bridge. The gripper 201 at the bottom of the lifting rope 102 in the hoisting machine body 100 can clamp and fix the four sides of the bridge bearing part 202 before hoisting through the movable frames 204 and clamping blocks 206 at its four sides, so as to ensure the stability of the bridge bearing part 202 during hoisting. At the same time, the movable frames 204 with adjustable telescopic lengths in the gripper 201 and the clamping blocks 206 at the lower ends of the movable frames 204 with adjustable clamping thicknesses also enable this gripper 201 to be applicable to the hoisting of bridge bearing parts 202 with different specifications and shapes, and ensure the stability during hoisting through clamping on the four sides. The snap ring 209 at the bottom of the pressure plate 208 can be clamped into the notch 207 at the upper end of the movable frame 204 through the pressing of the upper pressing screw 211 after the length of the movable frame 204 is adjusted, so as to fix the movable frame 204. The adjusting screw 214 installed in the outer end jack 212 and the second threaded hole 213 of the movable frame 204 is mainly used to adjust the height of the movable strip 205 in the movable frame 204, and further adjust the height of the clamping block 206 at the bottom of the movable strip 205.

[0028] Embodiment 2:

[0029] Combined with Figure 4 As shown, on the basis of Embodiment 1, the quick-release assembly 300 includes third threaded holes 301 respectively opened in the movable strips 205, and quick-release screws 302 respectively and movably installed in the third threaded holes 301. The bottoms of the quick-release screws 302 are fixed to the upper ends of the clamping blocks 206.

[0030] Specifically, the clamping block 206 at the bottom of the movable strip 205 can also be conveniently rotated after hoisting through the upper quick-release screw 302, so as to quickly screw out the clamping block 206 from the bottom of the bridge bearing part 202, thus realizing the quick release of the bridge bearing part 202 after hoisting.

[0031] The working principle and usage process of the present utility model:

[0032] Before hoisting the bridge bearing member 202, first, according to the size of the bridge bearing member 202, rotate the compression screw 211 at the upper end of the gripper 201 to lift the pressure plate 208 at the top of the movable frame 204. After the pressure plate 208 is lifted, extend and adjust the movable frame 204 at the four sides of the gripper 201. After the movable frame 204 moves, turn down the compression screw 211 to make the pressure plate 208 press down, and fine-tune the movable frame 204 at the four sides during the downward pressing of the pressure plate 208 so that the snap ring 209 at the bottom of the pressure plate 208 is engaged into the notch 207 at the upper end of the movable frame 204 to fix the rear end of the movable frame 204 after adjustment. Then, remove the adjustment screws 214 at the outer ends of the movable frame 204 in sequence to adjust the height of the movable strip 205 in the movable frame 204, and reinstall the adjustment screws 214 for fixation after the height of the movable strip 205 is adjusted. After the adjustment of both the movable frame 204 and the movable strip 205 is completed, the gripper 201 can be placed on the upper end of the bridge bearing member 202, and the quick-release screws 302 in the movable strip 205 are rotated in sequence so that the clamping block 206 at the bottom of the quick-release screw 302 quickly rotates to the bottom of the bridge bearing member 202, thus completing the fixation before hoisting the bridge bearing member 202 to start the hoisting operation of the hoisting machine body 100.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. Bridge support lifting equipment, characterized in that: include: A lifting machine body (100), a clamping assembly (200), and a quick-release assembly (300); The lifting machine body (100) comprises a movable arm (101) at its upper end and a lifting rope (102) installed on the movable arm (101); The clamping assembly (200) comprises a clamp (201) fixedly mounted at the bottom of the suspension rope (102), a bridge support member (202) movably clamped at the bottom of the clamp (201), through holes (203) arranged in the clamp (201), a movable frame (204) movably mounted in the through holes (203), a movable bar (205) movably mounted on the outer side and inside of the movable frame (204), a clamping block (206) movably mounted at the bottom of the movable bar (205), notches (207) arranged in the upper end of the movable frame (204), a pressure plate (208) movably mounted at the center of the clamp (201), and a clamping ring (209) fixedly arranged at the bottom of the pressure plate (208); The quick-release assembly (300) comprises third threaded holes (301) each provided in the movable bar (205) and quick-release screws (302) movably installed in the third threaded holes (301).

2. The bridge support lifting equipment according to claim 1, characterized in that: The clamping ring (209) is matched and clamped in the notch (207), and the notch (207) is an arc-shaped structure.

3. The bridge support lifting equipment according to claim 1, characterized in that: A first threaded hole (210) is also provided at the center of the top of the clamp (201), and a clamping screw (211) is movably installed in the first threaded hole (210), and the bottom of the clamping screw (211) is fixed to the upper end of the pressure plate (208).

4. The bridge support lifting equipment according to claim 1, characterized in that: Insertion holes (212) are arranged on both sides of the movable bar (205), and second threaded holes (213) are arranged on both sides of the outer end of the movable frame (204).

5. The bridge support lifting equipment according to claim 4, characterized in that: An adjusting screw (214) is also movably installed in the second threaded hole (213) at the outer end of the movable frame (204) and in the insertion hole (212).

6. The bridge support hoisting machine according to claim 1, characterized in that: The bottom of the quick-release screw (302) is fixed to the upper end of the clamping block (206).

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