Bridge damping base

Abstract

The utility model discloses a bridge damping base which comprises a base body, the top of the base body is fixedly connected with a protruding seat, the outer side of the protruding seat is connected with a bridge support in a sliding mode, and the top of the protruding seat is fixedly connected with a supporting box. A first steel bar and a second steel bar are poured in the bridge support, the position between a first supporting top plate and the bridge support and the position between a second supporting top plate and the bridge support are fixed, displacement is prevented, and the damping stability of the damping base is guaranteed; when a supporting sliding block is stressed to move downwards, the supporting sliding block drives a first supporting frame and drives an adjusting plate to move and adjust through a rotating shaft, when the adjusting plate adjusts, a second supporting frame and a movable sliding block are driven to move through the rotating shaft, a spring is pressed through the movable sliding block, and damping treatment is conducted through the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of bridges, in particular to a bridge shock-absorbing base. Background Art

[0002] A bridge is a building built for roads to cross natural or artificial obstacles. It is erected on rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. A bridge is generally composed of a superstructure, a substructure, and ancillary structures. The superstructure mainly refers to the span structure and the support system; the substructure includes abutments, piers, and foundations; and the ancillary structures refer to the bridgehead slab, conical slope protection, revetment, diversion projects, etc. Bridges are divided into four basic systems according to the structural system: beam bridges, arch bridges, rigid frame bridges, and cable-supported bridges (suspension bridges, cable-stayed bridges). However, the connection between the existing bridge shock-absorbing buffer base and the bridge support is not stable enough, and it is not convenient to adjust the spacing between the various steel connection points between the bridge support and the shock-absorbing base. Utility Model Content

[0003] The purpose of the utility model is to provide a bridge shock-absorbing base to solve the problems proposed in the above background technology that the connection between the existing bridge shock-absorbing buffer base and the bridge support is not stable enough and the spacing between each steel bar connection point between the bridge support and the shock-absorbing base is inconvenient to adjust.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bridge shock-absorbing base, comprising a base body, the top of the base body is fixedly connected with a raised seat, the outer side of the raised seat is slidably connected with a bridge bearing, the top of the raised seat is fixedly connected with a support box, the inside of the support box is slidably connected with a support slider, both sides of the support slider are fixedly connected with a No. 2 limit slider, the No. 2 limit slider is slidably connected to the support box, the top of the support slider is fixedly connected with a No. 1 support top plate, the inside of the No. 1 support top plate is rotatably connected with a two-way screw rod, the outer side of the two-way screw rod is symmetrically threaded with two No. 2 support top plates, the No. 2 support top plate is slidably connected with the No. 1 support top plate, the top of the No. 2 support top plate is fixedly connected with a No. 1 steel bar, the top of the No. 1 support top plate is fixedly connected with a No. 2 steel bar, the No. 1 steel bar and the No. 2 steel bars are both fixedly connected to the bridge bearing, and a damper is symmetrically provided on the top of the support box, and the top of the damper is fixedly connected to the No. 1 support top plate.

[0005] As a preferred solution of the utility model: a No. 1 limit slide block is fixedly connected to the bottom of the No. 2 support top plate, two limit slide grooves are symmetrically provided inside the No. 1 support top plate, and the No. 1 limit slide block is slidably connected to the limit slide groove.

[0006] As a preferred solution of the utility model: a worm wheel is fixedly connected to the outer side of the bidirectional screw, a worm is rotatably connected to the inside of the No. 1 support top plate, the worm is meshingly connected to the worm wheel, a rotating screw block is rotatably connected to one side of the No. 1 support top plate, and one end of the worm is fixedly connected to the rotating screw block.

[0007] As a preferred solution of the utility model: two No. 1 support frames are symmetrically fixedly connected to the bottom of the support slider, the inner sides of the two No. 1 support frames are symmetrically rotatably connected to two adjustment plates through a rotating shaft, the bottoms of the two adjustment plates are rotatably connected to a No. 2 support frame through a rotating shaft, the bottom of the No. 2 support frame is fixedly connected to a movable slider, and the movable slider is slidably connected to the support box.

[0008] As a preferred solution of the utility model: the two movable sliders are internally slidably connected to limit rods, both ends of the limit rods are fixedly connected to fixed plates, the fixed plates are fixedly connected to the support box, and the outer side of the limit rods is sleeved with two springs.

[0009] As a preferred solution of the utility model: two movable grooves cooperating with the No. 1 steel bar are provided on both sides of the No. 1 support top plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model, by arranging No. 1 steel bars and No. 2 steel bars, realizes that the No. 1 steel bars and No. 2 steel bars are cast inside the bridge support, and the positions of the No. 1 support top plate and the No. 2 support top plate and the bridge support are fixed to prevent displacement, thereby ensuring the shock-absorbing stability of the shock-absorbing base; by arranging No. 1 support frame, adjustment plate, No. 2 support frame and movable slider, it is realized that when the support slider is forced to move downward, the support slider drives the No. 1 support frame and drives the adjustment plate to move and adjust through the rotating shaft; when the adjustment plate is adjusted, the No. 2 support frame and the movable slider are driven to move through the rotating shaft, the spring is pressed by the movable slider, and shock absorption is performed by the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 This is a side view of the movable slider of the utility model;

[0013] Figure 3 This is a top view of the No. 1 support top plate of the utility model;

[0014] Figure 4 This is a schematic diagram of the internal structure of the No. 1 supporting top plate of the utility model.

[0015] In the figure: 1. base body; 2. raised seat; 3. bridge bearing; 4. support box; 5. No. 1 limit slider; 6. limit slide groove; 7. support slider; 8. No. 2 limit slider; 9. No. 1 support top plate; 10. damper; 11. No. 2 support top plate; 12. No. 1 steel bar; 13. No. 2 steel bar; 14. movable groove; 15. two-way screw; 16. worm gear; 17. worm; 18. rotating screw block; 19. No. 1 support frame; 20. adjustment plate; 21. No. 2 support frame; 22. movable slider; 23. limit rod; 24. fixed plate; 25. spring. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figures 1 to 4 The utility model provides a technical solution: a bridge shock-absorbing base, including a base body 1, a raised seat 2 is fixedly connected to the top of the base body 1, a bridge support 3 is slidably connected to the outer side of the raised seat 2, a support box 4 is fixedly connected to the top of the raised seat 2, a support slider 7 is slidably connected to the inside of the support box 4, a No. 2 limit slider 8 is fixedly connected to both sides of the support slider 7, the No. 2 limit slider 8 is slidably connected to the support box 4, a No. 1 support top plate 9 is fixedly connected to the top of the support slider 7, a bidirectional screw rod 15 is rotatably connected to the inside of the No. 1 support top plate 9, and the outer side of the bidirectional screw rod 15 is symmetrically threaded with two No. 2 support top plate 11 is slidingly connected to No. 1 support top plate 9, No. 1 steel bar 12 is fixedly connected to the top of No. 2 support top plate 11, No. 2 steel bar 13 is fixedly connected to the top of No. 1 support top plate 9, No. 1 steel bar 12 and No. 2 steel bar 13 are both fixedly connected to the bridge bearing 3, dampers 10 are symmetrically arranged on the top of the support box 4, and the top end of the damper 10 is fixedly connected to No. 1 support top plate 9, and the damper 10 is pressed when the No. 1 support top plate 9 moves downward, and the No. 1 support top plate 9 and the No. 2 support top plate 11 are shock-absorbing treated by the damper 10, thereby shock-absorbing treated the bridge bearing 3.

[0018] Among them, the bottom of the No. 2 supporting top plate 11 is fixedly connected to the No. 1 limiting sliding block 5, and two limiting sliding grooves 6 are symmetrically arranged inside the No. 1 supporting top plate 9, and the No. 1 limiting sliding block 5 is slidably connected to the limiting sliding groove 6.

[0019] Among them, the outer side of the two-way screw 15 is fixedly connected with a worm wheel 16, and the inner side of the No. 1 support top plate 9 is rotatably connected with a worm 17, and the worm 17 is meshed with the worm wheel 16. One side of the No. 1 support top plate 9 is rotatably connected with a rotating screw block 18, and one end of the worm 17 is fixedly connected to the rotating screw block 18. The rotating screw block 18 is rotated before pouring. When the rotating screw block 18 rotates, it drives the worm 17 to rotate. When the worm 17 rotates, it drives the meshed worm wheel 16 to rotate. When the worm wheel 16 rotates, it drives the inner two-way screw 15 to rotate. When the two-way screw 15 rotates, it drives the two No. 2 support top plates 11 to move their positions. When the No. 2 support top plate 11 moves, it drives the No. 1 steel bar 12 to be adjusted, and pouring is carried out between the No. 1 steel bar 12 and the No. 2 steel bar 13 and the bridge bearing 3. The No. 1 steel bar 12 and the No. 2 steel bar 13 are poured inside the bridge bearing 3.

[0020] Among them, two No. 1 support frames 19 are symmetrically fixedly connected to the bottom of the supporting slider 7, and the inner sides of the two No. 1 support frames 19 are symmetrically rotatably connected to two adjustment plates 20 through a rotating axis. The bottoms of the two adjustment plates 20 are rotatably connected to a No. 2 support frame 21 through a rotating axis, and the bottom of the No. 2 support frame 21 is fixedly connected to a moving slider 22, and the moving slider 22 is slidably connected to the support box 4.

[0021] Among them, the two movable sliders 22 are internally slidably connected to the limit rod 23, and both ends of the limit rod 23 are fixedly connected with a fixed plate 24, the fixed plate 24 is fixedly connected to the support box 4, and two springs 25 are sleeved on the outer side of the limit rod 23. When the adjustment plate 20 moves, the second support frame 21 and the movable slider 22 are driven to move through the rotating shaft, and the two movable sliders 22 move outward, and the movable slider 22 presses the spring 25 for shock absorption.

[0022] Among them, two movable grooves 14 cooperating with the No. 1 steel bar 12 are provided on both sides of the No. 1 support top plate 9, so as to facilitate the No. 1 steel bar 12 to be stored in the movable grooves 14.

[0023] Specifically, when in use, the rotating screw block 18 is rotated before pouring, and the rotating screw block 18 drives the worm 17 to rotate when it rotates, and the worm 17 drives the meshing worm wheel 16 to rotate when it rotates, and the inner bidirectional screw 15 drives the two No. 2 support top plates 11 to move their positions when the bidirectional screw 15 rotates, and the No. 1 steel bar 12 is adjusted when the No. 2 support top plate 11 moves, and pouring is performed between the No. 1 steel bar 12 and the No. 2 steel bar 13 and the bridge bearing 3, and the No. 1 steel bar 12 and the No. 2 steel bar 13 are poured inside the bridge bearing 3. When the bridge bearing 3 is subjected to a downward force, the bridge The beam support 3 presses the No. 1 support top plate 9 and the No. 2 support top plate 11, which move downward and drive the support slider 7, and the support slider 7 drives the No. 1 support frame 19 to move downward. The No. 1 support frame 19 drives the adjustment plate 20 to adjust through the rotating shaft. When the adjustment plate 20 moves, it drives the No. 2 support frame 21 and the moving slider 22 to move through the rotating shaft. The two moving sliders 22 move outward, and the moving slider 22 presses the spring 25. At the same time, when the No. 1 support top plate 9 moves downward, the damper 10 is pressed. The No. 1 support top plate 9 and the No. 2 support top plate 11 are shock-absorbing treated by the damper 10 and the spring 25, thereby shock-absorbing the bridge support 3.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge shock-absorbing base, comprising a base body (1), characterized in that: The top of the base body (1) is fixedly connected to a raised seat (2), the outer side of the raised seat (2) is slidably connected to a bridge support (3), the top of the raised seat (2) is fixedly connected to a support box (4), the interior of the support box (4) is slidably connected to a support slider (7), both sides of the support slider (7) are fixedly connected to a second limit slider (8), the second limit slider (8) is slidably connected to the support box (4), the top of the support slider (7) is fixedly connected to a first support top plate (9), the interior of the first support top plate (9) is rotatably connected to a bidirectional screw rod (15) The outer side of the bidirectional screw rod (15) is symmetrically threaded with two No. 2 support top plates (11), the No. 2 support top plates (11) are slidably connected to the No. 1 support top plate (9), the top of the No. 2 support top plate (11) is fixedly connected to the No. 1 steel bar (12), the top of the No. 1 support top plate (9) is fixedly connected to the No. 2 steel bar (13), the No. 1 steel bar (12) and the No. 2 steel bar (13) are both fixedly connected to the bridge support (3), and the top of the support box (4) is symmetrically provided with a damper (10), and the top of the damper (10) is fixedly connected to the No. 1 support top plate (9).

2. The bridge shock-absorbing base according to claim 1, characterized in that: The bottom of the second supporting top plate (11) is fixedly connected to a first limiting slide block (5), and two limiting slide grooves (6) are symmetrically provided inside the first supporting top plate (9), and the first limiting slide block (5) is slidably connected to the limiting slide groove (6).

3. The bridge shock-absorbing base according to claim 1, characterized in that: The outer side of the bidirectional screw (15) is fixedly connected to a worm wheel (16), the interior of the No. 1 support top plate (9) is rotatably connected to a worm (17), the worm (17) is meshingly connected to the worm wheel (16), one side of the No. 1 support top plate (9) is rotatably connected to a rotating screw block (18), and one end of the worm (17) is fixedly connected to the rotating screw block (18).

4. The bridge shock-absorbing base according to claim 1, characterized in that: The bottom of the support slider (7) is symmetrically and fixedly connected to two No. 1 support frames (19); the inner sides of the two No. 1 support frames (19) are symmetrically and rotationally connected to two adjustment plates (20) via a rotation axis; the bottoms of the two adjustment plates (20) are rotationally connected to a No. 2 support frame (21) via a rotation axis; the bottom of the No. 2 support frame (21) is fixedly connected to a moving slider (22); and the moving slider (22) is slidably connected to the support box (4).

5. The bridge shock-absorbing base according to claim 4, characterized in that: The two movable sliders (22) are internally slidably connected to a limit rod (23), both ends of the limit rod (23) are fixedly connected to a fixed plate (24), the fixed plate (24) is fixedly connected to the support box (4), and the outer side of the limit rod (23) is sleeved with two springs (25).

6. The bridge shock-absorbing base according to claim 1, characterized in that: Two movable grooves (14) cooperating with the first steel bar (12) are provided on both sides of the first supporting top plate (9).

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