Steel beam bridge sleeper hook bolt disassembling and assembling wrench
By designing a wrench for removing and installing steel bridge sleeper hook bolts, and using an electric wrench to drive the active and driven rods, a single person can operate and fix the hook bolts, solving the problem that multiple people are needed to operate in the existing technology, and improving the working efficiency of connecting bridge sleepers and steel beams.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technology, connecting bridge sleepers to steel beams requires two workers to operate together, which makes the disassembly and assembly of hook bolts cumbersome and reduces work efficiency.
A wrench for removing and installing hook bolts on steel beam bridge sleepers has been designed, including a mounting bracket, a drive rod, a universal coupling, a driven rod, and sleeper clamps. The drive rod is driven to rotate by an electric wrench, and the driven rod drives the sleeper clamps to slide and clamp the bridge sleepers, enabling single-person operation to fix the hook bolts.
It enables a single person to assemble and disassemble hook bolts, improving work efficiency and enhancing the versatility and practicality of the tool, making it suitable for sleepers of different shapes and sizes.
Smart Images
Figure CN224027535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bolt dismounting tool technical field especially relates to a kind of steel beam bridge bolster hook bolt dismounting wrench. BACKGROUND
[0002] Wood bridge bolster hook bolt is mainly used to connect bridge bolster and steel beam, to prevent bridge bolster from moving. Specifically speaking: the effect of hook bolt is to connect bridge bolster, guard wood and steel beam stringer closely together, to prevent bridge deck wood bolster from jumping up and down and moving left and right, and line from crawling, to ensure bridge deck stability.
[0003] Bridge bolster is generally square structure, the hook of hook bolt is located at bridge bolster bottom, hook bolt rod is set through tie, and hook bolt top is fixed by nut tightening, so it needs to tighten or dismount top nut by fixing hook head below when installing and dismounting, there is no wrench that can fix hook bolt head when dismounting hook bolt, so two workers need to cooperate to work, so it is inconvenient when connecting bridge bolster and steel beam, operation is more complicated, thus reduce the work efficiency of worker. Therefore, a kind of steel beam bridge bolster hook bolt dismounting wrench is provided for the above problems. SUMMARY
[0004] The utility model provides a kind of steel beam bridge bolster hook bolt dismounting wrench, single-person operation can realize to the bridge bolster bottom hook head fixed, it is convenient to carry out dismounting operation, improve the work efficiency of steel beam bridge bolster maintenance installation.
[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:
[0006] A kind of steel beam bridge bolster hook bolt dismounting wrench, including installation support, driving rod, universal coupling, driven rod and tie clamp;The bottom of the installation support extends to one side outward to form a connecting arm, one end of the tie clamp is slidably connected with the connecting arm;One handle is arranged on the other side of the installation support, the driving rod is rotatably connected with the installation support, and the top of the driving rod penetrates to the top of the installation support outside and is fixedly connected with a nut;The bottom of the driving rod is connected with one end of the driven rod by the universal coupling, the middle part of the driven rod is rotatably connected with the connecting arm, and the other end of the driven rod is threadedly connected with one end of the tie clamp;The other end of the tie clamp is provided with a clamping head that is upwardly raised;One bolt socket is arranged on one side of the connecting arm.
[0007] Further, the installation support is in Z-shaped structure as a whole, the top transverse end of the installation support is the handle, and the bottom transverse end of the installation support is the connecting arm.
[0008] Further, the vertical end of the mounting bracket is provided with a connecting block with the same orientation as the handle, the connecting block is arranged in parallel below the handle, the driving rod is arranged in penetration from top to bottom on the top horizontal end of the mounting bracket and the connecting block, and the driving rod rotates movably along the top horizontal end of the mounting bracket and the connecting block.
[0009] Further, the side of the connecting arm away from the vertical end of the mounting bracket is provided with a square sliding hole, one end of the tie wood clamp is slidably connected with the square sliding hole in a matching mode; the side of the connecting arm towards the vertical end of the mounting bracket is provided with a connecting through hole penetrating into the square sliding hole, the driven rod is rotatably connected with the connecting through hole and extends into the square sliding hole, and the driven rod rotates movably along the connecting through hole; one end of the driven rod located in the square sliding hole is threadedly connected with the tie wood clamp.
[0010] Further, the top of the connecting arm is welded with a U-shaped connecting block, two vertical ends of the U-shaped connecting block extend out of the connecting arm, and the two vertical ends of the U-shaped connecting block are the bolt clamps.
[0011] Further, the handle is provided with anti-skid lines on the periphery.
[0012] The utility model discloses the beneficial effect is:
[0013] 1) the utility model discloses when using need to match an electric wrench, first, the bottom of mounting bracket is placed under the bridge tie, the bolt clamp is inserted into the hook head of hook bolt, the electric wrench is covered on the nut on the top of driving rod, and the driving rod is rotated by using the electric wrench, and then the driven rod is rotated, the tie wood clamp is driven to slide close to the mounting bracket through the threaded connection of the driven rod, and then the bridge tie is clamped and fixed to the position of mounting bracket, in this case, the hook head position of hook bolt can be fixed, and at this moment, the nut on the top of hook bolt can be loosened or tightened by using the electric wrench, and the above operation can be completed by a single person, and the working efficiency is improved.
[0014] 2) the synchronous rotation of the driving rod and the driven rod is realized through the universal coupling, and then the tie wood clamp is driven to extend and retract along the square sliding hole through the threaded connection between the driven rod and the tie wood clamp, so that the clamping or loosening of the bridge tie is realized.
[0015] 3) the inventive concept of the utility model is not only suitable for the dismounting work of hook bolt, but also suitable for the dismounting work of similar double-end bolt and nut that need to be tightened or dismounted up and down. DRAWINGS
[0016] The specific implementation manners of the utility model will be further and specifically explained in connection with the drawings, and the utility model discloses the following:
[0017] Fig. 1 It is the perspective view of the overall structure of the utility model.
[0018] Fig. 2 Figure 1 is a structural diagram of the connection arm inside connection of the utility model;
[0019] Reference signs:
[0020] 1 - mounting bracket, 2 driving rod, 3 - universal coupling, 4 - driven rod, 5 - tie wood clamp, 6 - nut, 7 - bolt socket, 11 - connection arm, 12 - handle, 13 - connecting block, 8 - U-shaped connecting block. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.
[0022] It should be noted that when a component is referred to as "fixed" to another component, it can be directly on the other component or there can be an intervening component. When a component is referred to as "connected" to another component, it can be directly connected to the other component or there can be an intervening component. When a component is referred to as "disposed" on another component, it can be directly disposed on the other component or there can be an intervening component. When a component is referred to as "disposed in the middle", it is not only disposed in the middle position, but also disposed in the range defined by the middle. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0024] Reference Figs. 1-2As shown, a steel beam bridge sleeper hook bolt dismounting wrench, comprising a mounting bracket 1, a driving rod 2, a universal coupling 3, a driven rod 4 and a sleeper clamp 5; the bottom of the mounting bracket 1 extends outward to one side to form a connecting arm 11, one end of the sleeper clamp 5 is slidably connected with the connecting arm 11; the other side of the mounting bracket 1 is provided with a handle 12, the driving rod 2 is rotatably connected with the mounting bracket 1, and the top of the driving rod 2 penetrates to the top of the mounting bracket 1 and is fixedly connected with a nut 6. The nut can be of the same specification as the nut of the hook bolt; the bottom of the driving rod 2 is connected with one end of the driven rod 4 through the universal coupling 3, the middle of the driven rod 4 is rotatably connected with the connecting arm 11, and the other end of the driven rod 2 is threadedly connected with one end of the sleeper clamp 5; the other end of the sleeper clamp 5 is provided with a chuck 51 which is upwardly raised; one side of the connecting arm 11 is provided with a bolt bayonet 7. The utility model needs to be matched with an electric wrench during use, the bottom of the mounting bracket 1 is first placed under the bridge sleeper, the bolt bayonet 7 is clamped into the hook head of the hook bolt, the electric wrench is sleeved on the nut 6 at the top of the driving rod 2, the driving rod 2 is rotated by using the electric wrench, the driven rod 4 is rotated through the universal coupling 3, the sleeper clamp 5 is slidably close to the mounting bracket 1 through the thread connection of the driven rod 4, and the bridge sleeper is clamped to fix the position of the mounting bracket 1, the position of the hook head of the hook bolt can be fixed in this case, and the nut at the top of the hook bolt can be loosened or tightened by using the electric wrench at this time, the above operation can be completed by one person, and the work efficiency is improved. The telescopic design of the sleeper clamp 5 can adapt to sleepers of different shapes and sizes, and the versatility and practicality of the wrench are enhanced.
[0025] As one of the preferred schemes, the mounting bracket 1 is in a Z-shaped structure as a whole, and the mounting bracket 1 can be made of aluminum alloy for lightweight processing, the top transverse end of the mounting bracket 1 is the handle 12, the circumferential side of the end of the handle 12 is provided with anti-skid lines, and the operator can hold and use conveniently; and the bottom transverse end of the mounting bracket 1 is the connecting arm 11. Fig. 2As shown, the connecting arm 11 is provided with a square sliding hole at the side away from the vertical end of the mounting bracket 1, and one end of the tie plate clamp 5 is slidingly embedded in the square sliding hole to realize the sliding expansion function; the connecting arm 11 is provided with a connecting through hole penetrating into the square sliding hole at the side towards the vertical end of the mounting bracket 1, and the driven rod 4 is rotatably connected to the connecting through hole and extends into the square sliding hole, and the driven rod 4 is rotatably movable along the connecting through hole; one end of the driven rod 4 located in the square sliding hole is threadedly connected with the tie plate clamp 5. The vertical end of the mounting bracket 1 is provided with a connecting block 13 which is oriented in the same direction as the handle 12, and the connecting block 13 is arranged in parallel below the handle 12, and the driving rod 2 is penetratingly arranged from top to bottom on the top horizontal end of the mounting bracket 1 and the connecting block 12, and the driving rod 2 is rotatably movable along the top horizontal end of the mounting bracket 1 and the connecting block 13. The driving rod 2 and the universal coupling 3 are connected through a shaft hole type, and are fixed through a radially arranged key shaft, and in the same way, the driven rod 4 and the universal coupling 3 are also connected in the above-mentioned manner, and the driving rod 2 and the driven rod 4 are synchronously rotated through the universal coupling 3, and then the tie plate clamp 5 is driven to be slidingly movable along the square sliding hole through the threaded connection between the driven rod 4 and the tie plate clamp 5, so that the bridge tie plate is clamped or released.
[0026] The U-shaped connecting block 8 is welded and fixed at the top of the connecting arm 11, the two vertical ends of the U-shaped connecting block 8 extend out of the connecting arm 11, and the two vertical ends of the U-shaped connecting block 5 are the bolt clamps 7. The spacing between the two vertical ends can be determined according to the width of the hook head of the hook bolt, as long as the hook head can be conveniently clamped and the hook head can be prevented from rotating accidentally. Therefore, the inventive concept of the utility model is not only suitable for the disassembly and assembly of hook bolts, but also suitable for the disassembly and assembly of similar double-headed bolts and nuts which need to be tightened or disassembled from top to bottom.
[0027] The utility model has the advantages of compact structure, effective fixation of the hook head of the hook bolt through a flexible fixation mode, convenient disassembly and assembly of the hook bolt, improved work efficiency, and important tool in the maintenance and construction of steel beam bridge ties.
[0028] The above embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the scope of the technical scheme of the utility model.
Claims
1. A wrench for removing and assembling sleeper hook bolts in steel beam bridges, characterized in that, The device includes a mounting bracket, a drive rod, a universal coupling, a driven rod, and a sleeper clamp. The bottom of the mounting bracket extends outward to one side to form a connecting arm, and one end of the sleeper clamp is slidably connected to the connecting arm. A handle is provided on the other side of the mounting bracket. The drive rod is rotatably connected to the mounting bracket, and its top extends beyond the top of the mounting bracket and is fixedly connected to a nut. The bottom of the drive rod is connected to one end of the driven rod via the universal coupling. The middle of the driven rod is rotatably connected to the connecting arm, and the other end of the driven rod is threadedly connected to one end of the sleeper clamp. The other end of the sleeper clamp has an upward-curving clamp. A bolt slot is provided on one side of the connecting arm.
2. The steel beam bridge sleeper hook bolt removal and installation wrench according to claim 1, characterized in that, The mounting bracket has a Z-shaped structure, with the top horizontal end of the mounting bracket serving as the handle and the bottom horizontal end serving as the connecting arm.
3. The steel beam bridge sleeper hook bolt removal and installation wrench according to claim 2, characterized in that, The vertical end of the mounting bracket is provided with a connecting block facing the same direction as the handle. The connecting block is arranged parallel to the bottom of the handle. The active rod is arranged from top to bottom through the top horizontal end of the mounting bracket and the connecting block. The active rod rotates along the top horizontal end of the mounting bracket and the connecting block.
4. A wrench for disassembling and assembling sleeper hook bolts for steel beam bridges according to claim 2, characterized in that, The connecting arm has a square sliding hole on the side away from the vertical end of the mounting bracket, and one end of the sleeper clamp is slidably connected to the square sliding hole; the connecting arm has a connecting through hole on the side facing the vertical end of the mounting bracket, which extends into the square sliding hole, and the driven rod is rotatably connected to the connecting through hole and extends into the square sliding hole, and the driven rod rotates along the connecting through hole; the end of the driven rod located in the square sliding hole is threadedly connected to the sleeper clamp.
5. A wrench for removing and assembling sleeper hook bolts for steel beam bridges according to claim 2, characterized in that, A U-shaped connecting block is welded and fixed to the top of the connecting arm. The two vertical ends of the U-shaped connecting block extend out of the connecting arm and serve as bolt slots.
6. A wrench for removing and assembling sleeper hook bolts for steel beam bridges according to claim 2, characterized in that, The handle has anti-slip textures around its perimeter.