Adjustable positioning and clamping device for bridge support installation

Abstract

The utility model discloses an adjustable positioning clamping device for bridge support installation specifically related to bridge building technical field, including frame, the frame top right -hand side is installed with support frame, the support frame top outer surface is rotatably connected with rotating stand, the rotating stand top is installed with hydraulic cylinder no.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, and in particular to an adjustable positioning and clamping device for bridge bearing installation. Background Technology

[0002] Bridge bearings are core force-transmitting and deformation-coordinating components connecting the superstructure (such as beams and deck) and substructure (such as piers and abutments) of a bridge. They must evenly distribute various forces, including the self-weight of the superstructure, vehicle loads, and wind loads, to the substructure, preventing excessive localized stress that could lead to damage. They must also accommodate displacements and rotations caused by temperature changes (thermal expansion and contraction) and load effects (beam deflection), preventing structural cracking or damage due to constrained deformation. They are crucial components for ensuring the overall stability of the bridge and extending its service life. Common types include pot bearings and plate rubber bearings.

[0003] Bridge bearings require positioning using clamping devices during installation because the installation accuracy (such as center position and levelness) directly determines the uniformity of stress on the bridge. Excessive positioning deviation can lead to localized overload on the bearings, causing subsequent bridge settlement, abnormal noise, or even structural damage.

[0004] Existing devices can only clamp and fix bridge bearings during use. When the position of the bridge bearings deviates and needs to be adjusted, manual prying is usually used. Manual prying relies on experience to apply force, which is difficult to control and can easily lead to excessive bearing offset or directional deviation. This can cause uneven stress on the bearings and bridge settlement in the later stages. Therefore, we propose an adjustable positioning and clamping device for bridge bearing installation to solve the above problems. Utility Model Content

[0005] The main purpose of this utility model is to provide an adjustable positioning and clamping device for bridge bearing installation, which can effectively solve the above problems.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An adjustable positioning and clamping device for bridge bearing installation includes a frame, a support frame mounted on the top right side of the frame, a rotating frame rotatably connected to the top outer surface of the support frame, a hydraulic cylinder mounted on the top of the rotating frame, a clamping plate mounted on the output end of the hydraulic cylinder, an adjustment component provided on the top of the frame, and a leveling component provided inside the frame.

[0008] Preferably, the adjustment component includes a circular slide rail, the bottom of which is fixedly connected to the top of the frame, and three sliding base plates are slidably connected inside the top of the circular slide rail.

[0009] Preferably, a fixing plate is installed on the top of each of the three sliding base plates, and two arc-shaped rods are provided above the circular slide rail. Both ends of the two arc-shaped rods are fixedly connected to the outer surface of the fixing plate on the same side.

[0010] Preferably, a second hydraulic cylinder is installed at the left end of the fixed plate located on the left side, a push plate is installed at the output end of the second hydraulic cylinder, a guide rod is fixedly connected to the left end of the push plate, and the outer surface of the guide rod is slidably connected to the inner wall of the fixed plate on the same side.

[0011] Preferably, the inner walls of the two fixed plates located on the front and back are slidably connected with sliding rods. The two sliding rods are arranged symmetrically about the center of the circular slide rail. A U-shaped frame is fixedly connected to the end of the sliding rod near the center of the circular slide rail. Several rotating wheels are rotatably connected to the inner wall of the U-shaped frame. A spring is sleeved on the outer surface of the sliding rod. The end of the spring away from the fixed plate is fixedly connected to the outer surface of the U-shaped frame on the same side. The movement of the spring away from the U-shaped frame is fixedly connected to the outer surface of the fixed plate on the same side.

[0012] Preferably, the horizontal component includes four connecting seats, each with a protective shell snapped onto its top inner wall, and a square recessed hole is provided at each of the four corners of the top of the frame, with a shell fixedly connected to the inner wall of each of the four square recessed holes.

[0013] Preferably, each of the four shells has a threaded rod threaded to its top inner wall, a rotating block fixedly connected to the top of each of the four threaded rods, and a circular plate rotatably connected to the bottom outer surface of each of the four threaded rods.

[0014] Preferably, each of the four bottom inner walls of the housing is slidably connected to a support leg, the top of each of the four support legs is fixedly connected to the bottom of the circular plate on the same side, and a second spring is sleeved on the outer surface of each of the four support legs. The top of each of the four second springs is fixedly connected to the bottom of the circular plate on the same side, and the bottom of each of the four second springs is fixedly connected to the bottom inner wall of the housing on the same side.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This utility model, by setting an adjustment component, specifically, when the position of the bridge support deviates and needs to be adjusted, the hydraulic cylinder pushes three sliding base plates to rotate on the top of the circular slide rail, thereby adjusting the position of the bridge support. This eliminates the need for manual prying and adjustment by staff, and can stably control the offset of the support, thereby avoiding uneven stress on the support from the source and preventing potential hazards such as bridge settlement and local structural damage in the later stages.

[0017] 2. This utility model uses a horizontal component, specifically a clockwise rotating block that drives a threaded rod to rotate within the corresponding housing wall. The clockwise rotation of the threaded rod pushes the support leg downward. By rotating the four rotating blocks, the downward movement distance of the support leg is controlled, allowing the device to remain horizontal even on uneven ground. This not only ensures the support installation benchmark is level and avoids accuracy deviations, but also eliminates the need for additional leveling of the construction ground, reducing preliminary preparation work. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the circular slide rail of this utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the sliding base plate of this utility model;

[0021] Figure 4 This is a schematic diagram of the overall frame structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the front cross-sectional structure of the housing of this utility model.

[0023] In the diagram: 1. Frame; 11. Support frame; 12. Rotating frame; 13. Hydraulic cylinder one; 2. Adjustment assembly; 21. Circular slide rail; 22. Sliding base plate; 221. Fixed plate; 222. Arc rod; 23. Hydraulic cylinder two; 231. Push plate; 232. Guide rod; 24. Sliding rod; 241. Spring one; 242. U-shaped frame; 243. Rotating wheel; 3. Horizontal assembly; 31. Connecting seat; 311. Protective shell; 32. Shell; 321. Threaded rod; 322. Rotating block; 323. Circular plate; 33. Support leg; 331. Spring two. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] Example 1, as Figure 1-5 As shown, an adjustable positioning and clamping device for bridge bearing installation includes a frame 1, a support frame 11 is installed on the top right side of the frame 1, a rotating frame 12 is rotatably connected to the top outer surface of the support frame 11, a hydraulic cylinder 13 is installed on the top of the rotating frame 12, a clamping plate is installed at the output end of the hydraulic cylinder 13, an adjustment component 2 is provided on the top of the frame 1, and a horizontal component 3 is provided inside the frame 1.

[0026] Specifically, in order to achieve the goal of adjusting the bridge's position, see [reference needed]. Figure 2 and Figure 3 In this embodiment, the adjustment component 2 includes a circular slide rail 21, the bottom of which is fixedly connected to the top of the frame 1, and three sliding base plates 22 are slidably connected inside the top of the circular slide rail 21.

[0027] Further reading Figure 2 In this embodiment, a fixing plate 221 is installed on the top of each of the three sliding base plates 22, and two arc-shaped rods 222 are provided above the circular slide rail 21. Both ends of the two arc-shaped rods 222 are fixedly connected to the outer surface of the fixing plate 221 on the same side.

[0028] Further reading Figure 2 In this embodiment, a hydraulic cylinder 23 is installed on the left end of the fixed plate 221 located on the left side. A push plate 231 is installed on the output end of the hydraulic cylinder 23. A guide rod 232 is fixedly connected to the left end of the push plate 231. The outer surface of the guide rod 232 is slidably connected to the inner wall of the fixed plate 221 on the same side.

[0029] Further reading Figure 3 In this embodiment, sliding rods 24 are slidably connected to the inner walls of the two fixed plates 221 located on the front and back sides. The two sliding rods 24 are arranged symmetrically with the center of the circular slide rail 21 as the center. A U-shaped frame 242 is fixedly connected to one end of the sliding rod 24 near the center of the circular slide rail 21. Several rotating wheels 243 are rotatably connected to the inner wall of the U-shaped frame 242. A spring 241 is sleeved on the outer surface of the sliding rod 24. The end of the spring 241 away from the fixed plate 221 is fixedly connected to the outer surface of the U-shaped frame 242 on the same side. The movement of the spring 241 away from the U-shaped frame 242 is fixedly connected to the outer surface of the fixed plate 221 on the same side.

[0030] During implementation, when the position of the bridge support deviates and needs adjustment, hydraulic cylinder 23 is activated to push the push plate 231 towards the bridge support. As the push plate 231 continues to move, it can contact the surface of the bridge support and push it to move. When the bridge support moves, the movement of several rotating wheels 243 on both sides can prevent it from shifting. By pushing the three sliding base plates 22 to rotate on the top of the circular slide rail 21, the push plate 231 can push the bridge support from multiple sides, thereby realizing the adjustment of the position of the bridge support. There is no need for staff to manually pry and adjust it. It can stably control the amount of support offset, avoid uneven force on the support from the source, and eliminate potential hazards such as bridge settlement and local structural damage in the later stage.

[0031] Example 2: This example adds a horizontal component based on Example 1.

[0032] Specifically, in order to ensure that the device is in a horizontal position, see [reference needed]. Figure 4 and Figure 5 In this embodiment, the horizontal component 3 includes four connecting seats 31, and a protective shell 311 is snapped onto the inner wall of the top of each of the four connecting seats 31. A square recess is opened at each of the four corners of the top of the frame 1, and a shell 32 is fixedly connected to the inner wall of each of the four square recesses.

[0033] Further reading Figure 5 In this embodiment, threaded rods 321 are threadedly connected to the inner top walls of the four shells 32, rotating blocks 322 are fixedly connected to the top of the four threaded rods 321, and circular plates 323 are rotatably connected to the outer bottom surfaces of the four threaded rods 321.

[0034] Further reading Figure 5 In this embodiment, each of the four housings 32 has a support leg 33 slidably connected to its bottom inner wall. The top of each of the four support legs 33 is fixedly connected to the bottom of the circular plate 323 on the same side. Each of the four support legs 33 has a spring 331 sleeved on its outer surface. The top of each of the four springs 331 is fixedly connected to the bottom of the circular plate 323 on the same side, and the bottom of each of the four springs 331 is fixedly connected to the bottom inner wall of the housing 32 on the same side.

[0035] During implementation, when the device is needed to clamp and position the bridge bearing, it is first moved to the bridge bearing installation position. Then, the four protective shells 311 are removed, and the rotating block 322 is rotated clockwise to drive the threaded rod 321 to rotate in the inner wall of the corresponding shell 32. As the threaded rod 321 rotates clockwise, it gradually moves downward. When the threaded rod 321 moves downward, it pushes the circular plate 323 to slide downward in the inner wall of the shell 32. When the circular plate 323 moves downward, it pushes the support leg 33 to move downward. At the same time, the downward movement of the circular plate 323 will also compress the spring 331, causing it to deform. By rotating the four rotating blocks 322, the downward movement distance of the support leg 33 is controlled, so that the device can be in a horizontal state even on uneven ground. This not only ensures that the bearing installation benchmark is horizontal and avoids accuracy deviation, but also eliminates the need for additional leveling of the construction ground, reducing the amount of preliminary preparation work.

[0036] The working principle of this utility model is as follows: When it is necessary to use the device to clamp and position the bridge bearing, the device is first moved to the installation position of the bridge bearing. Then, the four protective shells 311 are removed. The rotating block 322 is rotated clockwise to drive the threaded rod 321 to rotate in the inner wall of the corresponding shell 32. As the threaded rod 321 rotates clockwise, it will gradually move downward. When the threaded rod 321 moves downward, it will push the circular plate 323 to slide downward in the inner wall of the shell 32. When the circular plate 323 moves downward, it will push the support leg 33 to move downward. At the same time, the downward movement of the circular plate 323 will also compress the spring 331, causing it to deform. By rotating the four rotating blocks 322, the downward movement distance of the support leg 33 is controlled, so that the device can be in a horizontal state even on uneven ground. This not only ensures that the bearing installation benchmark is horizontal and avoids accuracy deviation, but also eliminates the need for additional leveling of the construction ground, reducing the preparatory work.

[0037] After adjusting the four support legs 33, the frame 1 is fixed to the bridge bearing using anchor bolts. Once fixed, the pot bearing is hoisted into the support frame. During placement, pulling the two sliding rods 24 moves the corresponding U-shaped frame 242 towards the fixed plate 221, allowing the bridge support to be smoothly placed in the frame 1. As the U-shaped frame 242 moves, it compresses the spring 241, causing it to deform. After the bridge support is placed, releasing the two sliding rods 24 causes the deformed spring 241 to push the U-shaped frame 242, allowing the rotating wheel 243 to contact the surface of the bridge support. When the bridge support is in place... When a deviation needs to be adjusted, hydraulic cylinder 23 is opened to push push plate 231 towards the bridge support. As push plate 231 continues to move, it can contact the surface of the bridge support and push it to move. When the bridge support moves, the movement of several rotating wheels 243 on both sides can prevent it from shifting. By pushing three sliding base plates 22 to rotate on the top of the circular slide rail 21, push plate 231 can push the bridge support from multiple sides, thereby realizing the adjustment of the position of the bridge support. There is no need for staff to manually pry and adjust it. It can stably control the support offset, avoid uneven force on the support from the source, and eliminate potential hazards such as bridge settlement and local structural damage in the later stage.

[0038] After the bridge support position is adjusted, rotate the rotating frame 12 to move it to the top of the bridge support, open the rotating frame 12 and push the clamping plate installed at its bottom to move and contact the top of the bridge support to fix it.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable positioning and clamping device for bridge bearing installation, comprising a frame (1), a support frame (11) mounted on the top right side of the frame (1), a rotating frame (12) rotatably connected to the top outer surface of the support frame (11), a hydraulic cylinder (13) mounted on the top of the rotating frame (12), and a clamping plate mounted on the output end of the hydraulic cylinder (13), characterized in that: An adjustment component (2) is provided at the top of the frame (1), and a horizontal component (3) is provided inside the frame (1); The adjustment component (2) includes a circular slide rail (21), the bottom of which is fixedly connected to the top of the frame (1), and three sliding base plates (22) are slidably connected inside the top of the circular slide rail (21).

2. The adjustable positioning and clamping device for bridge bearing installation according to claim 1, characterized in that: Each of the three sliding base plates (22) is equipped with a fixing plate (221) on top. Two arc-shaped rods (222) are provided above the circular slide rail (21). Both ends of the two arc-shaped rods (222) are fixedly connected to the outer surface of the fixing plate (221) on the same side.

3. The adjustable positioning and clamping device for bridge bearing installation according to claim 2, characterized in that: A hydraulic cylinder (23) is installed on the left end of the fixed plate (221) located on the left side. A push plate (231) is installed on the output end of the hydraulic cylinder (23). A guide rod (232) is fixedly connected to the left end of the push plate (231). The outer surface of the guide rod (232) is slidably connected to the inner wall of the fixed plate (221) on the same side.

4. An adjustable positioning and clamping device for bridge bearing installation according to claim 3, characterized in that: Sliding rods (24) are slidably connected to the inner walls of the two fixed plates (221) located on the front and back sides. The two sliding rods (24) are arranged symmetrically with the center of the circular slide rail (21) as the center. A U-shaped frame (242) is fixedly connected to one end of the sliding rod (24) near the center of the circular slide rail (21). Several rotating wheels (243) are rotatably connected to the inner wall of the U-shaped frame (242). A spring (241) is sleeved on the outer surface of the sliding rod (24). The end of the spring (241) away from the fixed plate (221) is fixedly connected to the outer surface of the U-shaped frame (242) on the same side. The movement of the spring (241) away from the U-shaped frame (242) is fixedly connected to the outer surface of the fixed plate (221) on the same side.

5. An adjustable positioning and clamping device for bridge bearing installation according to claim 1, characterized in that: The horizontal component (3) includes four connecting seats (31), and a protective shell (311) is snapped onto the inner wall of the top of each of the four connecting seats (31). A square recess is opened at each of the four corners of the top of the frame (1), and a shell (32) is fixedly connected to the inner wall of each of the four square recesses.

6. An adjustable positioning and clamping device for bridge bearing installation according to claim 5, characterized in that: Each of the four housings (32) has a threaded rod (321) threaded to its top inner wall, a rotating block (322) fixedly connected to the top of each of the four threaded rods (321), and a circular plate (323) rotatably connected to the bottom outer surface of each of the four threaded rods (321).

7. An adjustable positioning and clamping device for bridge bearing installation according to claim 6, characterized in that: Each of the four housings (32) has a support leg (33) slidably connected to its bottom inner wall. The top of each of the four support legs (33) is fixedly connected to the bottom of the circular plate (323) on the same side. Each of the four support legs (33) has a spring (331) sleeved on its outer surface. The top of each of the four springs (331) is fixedly connected to the bottom of the circular plate (323) on the same side. The bottom of each of the four springs (331) is fixedly connected to the bottom inner wall of the housing (32) on the same side.

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