Bridge building telescopic device
By introducing a buffering and height adjustment mechanism into the telescopic device for bridge construction, the problems of poor buffering effect and inability to adjust the height are solved, more efficient buffering and flexible adaptability are achieved, and the service life of the device is extended.
Patent Information
- Application Number
- CN202422684657.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing bridge construction telescopic devices have poor buffering effect and cannot adjust the height, resulting in reduced service life and reduced flexibility.
A buffer mechanism and a height adjustment mechanism are adopted, including a connecting rod, a buffer spring, a damper and an adjustment component. The buffering and height adjustment of the pressure plate are achieved through the sliding connection of the connecting block and the adjustment block.
The cushioning effect and flexible adaptability of the pressure plate are improved, the service life is extended and the connection stability is enhanced.
Smart Images
Figure CN223386525U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of bridge construction technology, and in particular to a bridge construction telescopic device. Background Art
[0002] When building a bridge, in order to reduce the damage to the bridge caused by the expansion and contraction of the bridge due to temperature changes, multiple expansion joints are reserved during the construction process to absorb the deformation of the bridge, and the bridge construction expansion device is installed in the groove of the bridge expansion joint.
[0003] Existing bridge construction telescopic devices can freely expand and contract in both directions parallel and perpendicular to the bridge axis, and their connections are secure and reliable. However, existing bridge construction telescopic devices suffer from poor cushioning and lack of height adaptability, resulting in a shortened service life and reduced flexibility.
[0004] With respect to the above-mentioned related technologies, the inventor believes that the existing telescopic devices for bridge construction have problems such as poor buffering effect and inability to adjust the height. Utility Model Content
[0005] In order to solve the above technical problems, the present application provides a bridge construction telescopic device.
[0006] This application provides a bridge construction telescopic device, which adopts the following technical solutions:
[0007] The lifting mechanism is connected with the lifting mechanism, and the lifting mechanism is connected with the lifting mechanism of the lifting mechanism.
[0008] By adopting the above technical solution, when a vehicle passes, the pressure plate is moved toward the mounting block by the vehicle's gravity. The pressure plate drives the connecting rod to move, which pushes the connecting block to slide and compresses the first buffer spring and damper, thereby effectively buffering the pressure plate. The adjustment assembly can drive the lifting block to rise and fall, thereby causing the lifting block to move the adjustment rod, which in turn drives the adjustment block to move, which in turn drives the connection block to move. The connection block adjusts the height of the pressure plate via the connecting rod, thereby improving the flexibility and adaptability of the pressure plate during installation.
[0009] Preferably, a first limiting slot is provided on the mounting block, the connecting block and the adjusting block are both slidably connected to the first limiting slot, a first baffle is provided at the opening of the first limiting slot to limit the sliding of the connecting block and the adjusting block, and the first buffer spring and the damper are both provided in the first limiting slot.
[0010] By adopting the above technical solution, the connecting block and the adjusting block both slide in the first limiting sliding groove, and the first baffle limits the sliding of the connecting block and the adjusting block, thereby improving the connection stability of the connecting block and the adjusting block with the mounting block, and further improving the stability of the buffering process and the adjustment process.
[0011] Preferably, the adjustment assembly includes an adjustment screw having one end rotatably connected to the mounting block, the lifting block is threadedly connected to the adjustment screw, and an adjustment handle is provided at one end of the adjustment screw away from the mounting block.
[0012] By adopting the above technical solution, rotating the adjustment handle drives the adjustment screw to rotate, and the adjustment screw drives the lifting block to move up and down, thereby driving the adjustment rod and the adjustment block to move, thereby realizing the height adjustment of the pressure plate.
[0013] Preferably, a second buffer spring is provided on the mounting block, and one end of the second buffer spring away from the mounting block is connected to the pressure plate.
[0014] By adopting the above technical solution, the provision of the second buffer spring further improves the buffering effect on the pressure plate.
[0015] Preferably, fixing rods are provided on opposite sides of the mounting block, a telescopic slot is provided on the beam body, a telescopic spring is provided in the telescopic slot, one end of the telescopic spring is connected to the fixing rod, and the other end is connected to the beam body, and the fixing rod is slidably connected to the telescopic slot.
[0016] By adopting the above technical solution, the fixing rod and the telescopic spring allow the beam body and the mounting block to be telescopic and the connection is firm, thereby increasing the service life of the bridge.
[0017] Preferably, a second limiting groove is provided on the triangular plate, a limiting slider is provided on the pressure plate, the limiting slider is slidably connected to the second limiting groove, and a second baffle is provided at the opening of the second limiting groove to limit the sliding of the limiting slider.
[0018] By adopting the above technical solution, the triangle plate and the pressure plate are connected through the limiting slider and the second limiting slot, thereby facilitating the height adjustment of the pressure plate. The provision of the second baffle improves the connection stability between the triangle plate and the pressure plate.
[0019] Preferably, a buffer rubber pad is provided on one side of the triangular plate close to the beam body.
[0020] By adopting the above technical solution, the provision of the buffer rubber pad improves the buffering effect of the triangle plate, thereby increasing the service life of the triangle plate.
[0021] Preferably, there are multiple buffer mechanisms, which are symmetrically arranged on both sides of the pressure plate, and there are multiple adjustment blocks and adjustment rods, which are symmetrically arranged on opposite sides of the adjustment screw.
[0022] By adopting the above technical solution, multiple buffer mechanisms are symmetrically arranged on both sides of the pressure plate, thereby improving the buffering effect of the buffer mechanisms on the pressure plate.
[0023] In summary, this application has the following beneficial technical effects:
[0024] 1. The buffer mechanism achieves effective buffering of the pressure plate through the first buffer spring, damper and second buffer spring, thereby reducing damage to the pressure plate and increasing its service life;
[0025] 2. The height adjustment mechanism changes the position of the adjustment block by rotating the adjustment screw, thereby changing the position of the connecting block, and changing the position of the pressure plate through the connecting rod, so that the pressure plate can adapt to bridges of different heights during installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural diagram of a telescopic device for building a bridge;
[0027] Figure 2 It is a schematic diagram of the cross-sectional structure of the pressing plate, buffer mechanism, height adjustment mechanism and mounting block;
[0028] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the pressure plate and the triangular plate;
[0029] Figure 4 It is a partial cross-sectional structural diagram of the mounting block and beam body.
[0030] Explanation of the accompanying drawings: 1. Beam body; 11. Telescopic groove; 12. Telescopic spring; 2. Mounting block; 21. First limiting slide groove; 22. First baffle; 23. Fixed rod; 3. Pressure plate; 31. Limiting slider; 4. Triangular plate; 41. Second limiting slide groove; 42. Second baffle; 43. Buffer rubber pad; 5. Buffer mechanism; 51. Connecting rod; 52. Connecting block; 53. First buffer spring; 54. Damper; 55. Second buffer spring; 6. Height adjustment mechanism; 61. Adjustment block; 62. Adjustment rod 63. Lifting block; 64. Adjustment assembly; 641. Adjustment screw; 642. Adjustment handle. DETAILED DESCRIPTION
[0031] The following is combined with Figure 1-4 This application is described in further detail.
[0032] The embodiment of the present application discloses a telescopic device for bridge construction.
[0033] Reference Figure 1 、 Figure 2 and Figure 3 A bridge construction telescopic device includes a beam body 1 arranged at adjacent intervals, a mounting block 2 arranged between the two beam bodies 1, a pressing plate 3 arranged above the mounting block 2, a triangular plate 4 arranged at both ends of the pressing plate 3, a buffer mechanism 5 connected to the pressing plate 3, and a height adjustment mechanism 6.
[0034] The buffer mechanism 5 includes a connecting rod 51, a connecting block 52, a first buffer spring 53, and a damper 54. One end of the connecting rod 51 is hinged to the pressure plate 3, and the other end is hinged to the connecting block 52. The connecting block 52 is slidably connected to the mounting block 2. The first buffer spring 53 has one end fixedly connected to the connecting block 52 and the other end fixedly connected to the mounting block 2. The damper 54 is inserted into the first buffer spring 53, with one end fixedly connected to the mounting block 2 and the other end fixedly connected to the connecting block 52.
[0035] A first limiting slot 21 is provided on the mounting block 2, and the connecting block 52 is slidably connected to the first limiting slot 21. A first baffle 22 is provided at the opening of the first limiting slot 21 to limit the sliding of the connecting block 52. The first buffer spring 53 and the damper 54 are both provided in the first limiting slot 21.
[0036] The height adjustment mechanism 6 includes an adjustment block 61 that abuts the connecting block 52, an adjustment rod 62 hinged at one end to the adjustment block 61, a lifting block 63 hinged at one end of the adjustment rod 62 away from the adjustment block 61, and an adjustment assembly 64 that drives the lifting block 63 to move up and down. The adjustment block 61 is slidably connected to the first limiting slide 21.
[0037] The adjustment assembly 64 includes an adjustment screw 641 rotatably connected to the mounting block 2 at one end through a bearing, the lifting block 63 is threadedly connected to the adjustment screw 641 , and an adjustment handle 642 is fixedly provided at the end of the adjustment screw 641 away from the mounting block 2 .
[0038] There are two buffer mechanisms 5 , which are symmetrically arranged on both sides of the pressure plate 3 . There are two adjustment blocks 61 and two adjustment rods 62 , which are symmetrically arranged on opposite sides of the adjustment screw 641 .
[0039] A second buffer spring 55 is fixedly provided on the mounting block 2 , and one end of the second buffer spring 55 away from the mounting block 2 is fixedly connected to the pressing plate 3 .
[0040] A second limiting slot 41 is formed on the triangular plate 4, and a limiting slider 31 is fixedly mounted on the pressure plate 3. The limiting slider 31 is slidably connected to the second limiting slot 41. A second baffle 42 is fixedly mounted at the opening of the second limiting slot 41 to limit the sliding movement of the limiting slider 31. A buffer rubber pad 43 is fixedly mounted on the side of the triangular plate 4 close to the beam body 1.
[0041] Reference Figure 4 , fixed rods 23 are provided on the opposite sides of the mounting block 2, a telescopic slot 11 is opened on the beam body 1, a telescopic spring 12 is provided in the telescopic slot 11, one end of the telescopic spring 12 is fixedly connected to the fixed rod 23, and the other end is fixedly connected to the beam body 1, and the fixed rod 23 is slidably connected to the telescopic slot 11.
[0042] The implementation principle of a bridge construction telescopic device according to an embodiment of the present application is as follows: when a vehicle passes over the pressure plate 3, the pressure plate 3 drives the connecting rod 51 to move, and the connecting rod 51 pushes the connecting block 52 to slide in the first limiting slot 21 and squeeze the first buffer spring 53 and the damper 54, thereby achieving effective buffering of the pressure plate 3. The provision of the second buffer spring 55 further enhances the buffering effect of the pressure plate 3. The staff can rotate the adjustment handle 642 to drive the adjustment screw 641 to rotate, thereby causing the lifting block 63 to rise and fall, and the lifting block 63 drives the adjustment rod 62 to move, thereby driving the adjustment block 61 to slide in the first limiting slot 21, the adjustment block 61 drives the connecting block 52 to move, and the connecting block 52 drives the connecting rod 51 to move, thereby achieving height adjustment of the pressure plate 3 and increasing the flexibility and adaptability of the pressure plate 3 during installation.
[0043] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A bridge construction telescopic device, characterized by: The invention comprises a beam body (1) arranged at adjacent intervals, a mounting block (2) arranged between two beam bodies (1), a pressure plate (3) arranged above the mounting block (2), a triangular plate (4) arranged at both ends of the pressure plate (3), a buffer mechanism (5) connected to the pressure plate (3), and a height adjustment mechanism (6); the buffer mechanism (5) comprises a connecting rod (51), a connecting block (52), a first buffer spring (53) and a damper (54); one end of the connecting rod (51) is hinged to the pressure plate (3), and the other end is hinged to the connecting block (52); the connecting block (52) is slidably connected to the mounting block (2); the first buffer One end of the spring (53) is connected to the connecting block (52), and the other end is connected to the mounting block (2). The damper (54) is inserted into the first buffer spring (53). One end of the damper (54) is connected to the mounting block (2), and the other end is connected to the connecting block (52). The height adjustment mechanism (6) includes an adjustment block (61) abutting against the connecting block (52), an adjustment rod (62) one end of which is hinged to the adjustment block (61), a lifting block (63) hinged to one end of the adjustment rod (62) away from the adjustment block (61), and an adjustment component (64) that drives the lifting block (63) to move up and down.
2. A bridge construction telescopic device according to claim 1, characterized in that: A first limiting sliding groove (21) is provided on the mounting block (2); the connecting block (52) and the adjusting block (61) are both slidably connected to the first limiting sliding groove (21); a first baffle (22) is provided at the opening of the first limiting sliding groove (21) for limiting the sliding of the connecting block (52) and the adjusting block (61); and the first buffer spring (53) and the damper (54) are both provided in the first limiting sliding groove (21).
3. A bridge construction telescopic device according to claim 2, characterized in that: The adjustment assembly (64) includes an adjustment screw (641) having one end rotatably connected to the mounting block (2), the lifting block (63) being threadedly connected to the adjustment screw (641), and an adjustment handle (642) being provided at one end of the adjustment screw (641) away from the mounting block (2).
4. A bridge construction telescopic device according to claim 3, characterized in that: A second buffer spring (55) is provided on the mounting block (2), and one end of the second buffer spring (55) away from the mounting block (2) is connected to the pressure plate (3).
5. The bridge construction telescopic device according to claim 4, characterized in that: Fixed rods (23) are provided on opposite sides of the mounting block (2), a telescopic slot (11) is provided on the beam body (1), a telescopic spring (12) is provided in the telescopic slot (11), one end of the telescopic spring (12) is connected to the fixed rod (23), and the other end is connected to the beam body (1), and the fixed rod (23) is slidably connected to the telescopic slot (11).
6. The bridge construction expansion device according to claim 5, characterized in that: A second limiting slot (41) is provided on the triangular plate (4), a limiting slider (31) is provided on the pressure plate (3), the limiting slider (31) is slidably connected to the second limiting slot (41), and a second baffle (42) is provided at the opening of the second limiting slot (41) to limit the sliding of the limiting slider (31).
7. The bridge construction telescopic device according to claim 6, characterized in that: A buffer rubber pad (43) is provided on one side of the triangular plate (4) close to the beam body (1).
8. The bridge construction expansion device according to claim 7, characterized in that: There are multiple buffer mechanisms (5), and the multiple buffer mechanisms (5) are symmetrically arranged on both sides of the pressure plate (3); there are multiple adjustment blocks (61) and adjustment rods (62), and the multiple adjustment blocks (61) and adjustment rods (62) are symmetrically arranged on opposite sides of the adjustment screw (641).