Stable bridge shock-absorbing rubber support

Abstract

The utility model discloses a stable bridge shock attenuation rubber support relates to rubber support technical field, including lower seat body and upper seat body, and the lower seat body is fixedly connected with the box, is provided with the damping shock attenuation subassembly in the box, and the lower seat body still is fixedly connected with the support seat, and the support seat is opened with the removal groove, and the removal groove is slidably connected with the linkage rod. The utility model discloses design structure is reasonable, and it is through the cooperation of support seat, linkage rod and spacing assembly, drives linkage rod to slide in the removal groove of support seat when the upper seat body removes, and the spacing nut on the linkage rod can directly limit the lifting distance of linkage rod, still through the screwing of the knob on the adjusting lever, can drive adjusting lever to rotate on the fixed frame, and then drive the spacer plate to lift in the support seat, realize the flexible adjustment of linkage rod descending distance, can strictly limit the lifting movement area of upper seat body, ensure that shock attenuation support always has the constant shock attenuation buffer moving space.

Description

Technical Field

[0001] This utility model relates to the field of rubber bearing technology, specifically a stable bridge vibration damping rubber bearing. Background Technology

[0002] Bridge bearings are important structural components connecting the superstructure and substructure of a bridge. Located between the bridge and the bearing pad, they reliably transfer the loads and deformations borne by the superstructure to the substructure, serving as a crucial force transmission device. Bridge bearings are divided into two types: fixed bearings and movable bearings. Commonly used bearing types in bridge engineering include: asphalt or flat plate bearings, plate rubber bearings, spherical bearings, steel bearings, and special bearings. Among these, damping rubber bearings are widely used, as they can effectively reduce bridge vibrations and increase the bridge's seismic performance.

[0003] Chinese patent CN214194099U discloses a friction-type high-damping rubber bridge vibration damping bearing. It uses a high-strength damping spring, a damping top seat, and a damping base to reduce the impact of bridge vibration by utilizing the elasticity of the high-strength damping spring. Through a high-damping rubber block, an annular side plate, and an annular limiting block, it can further reduce bridge vibration by utilizing the elasticity of the high-damping rubber block itself and the resistance of the compression and friction between the high-damping rubber block and the annular side plate after the high-damping rubber block is compressed, thus achieving the purpose of protecting the bridge itself.

[0004] While the aforementioned device enhances the damping effect of the rubber block using a spring, the elastic properties of both the rubber block and the spring weaken over time. This results in a less linear damping amplitude during the lifting and lowering of the shock absorber, making it difficult to maintain a constant damping and buffering movement distance, thus leading to unstable damping performance. Therefore, we provide a stable bridge damping rubber bearing to address these issues. Utility Model Content

[0005] 1) Technical problems to be solved

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a stable bridge vibration damping rubber bearing.

[0007] (ii) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a stable bridge vibration damping rubber bearing, comprising a lower bearing body and an upper bearing body, a box body fixedly connected to the lower bearing body, a damping vibration damping component disposed within the box body, a support seat fixedly connected to the lower bearing body, a movable groove provided on the support seat, a linkage rod slidably connected within the movable groove, and the top end of the linkage rod fixedly connected to the upper bearing body, a limit nut threadedly connected to the linkage rod, a limiting component for longitudinally limiting the linkage rod provided on the support seat, a first connecting component provided on the lower bearing body, and a second connecting component provided on the upper bearing body.

[0009] Furthermore, the damping and shock absorption assembly includes a first damping block, a second damping block, and a third damping block. The first damping block and the second damping block are both located inside the housing. The bottom end of the third damping block abuts against the second damping block, and the top end of the third damping block penetrates the housing and abuts against the upper seat.

[0010] Furthermore, the second damping block has through holes arranged at equal intervals, the first damping block is fixedly connected to a first plug, and the first plug is inserted into the through hole, and the third damping block is fixedly connected to a second plug, and the second plug is inserted into the through hole.

[0011] Furthermore, the limiting component includes a fixed frame fixedly connected to the lower base, an adjusting rod threadedly connected to the fixed frame, a screw block fixedly connected to the adjusting rod, and the screw block being located above the fixed frame. A limiting plate is rotatably connected to the top of the fixed frame, and the limiting plate is slidably connected to the support base.

[0012] Furthermore, the first connecting assembly includes a lower base plate and a lower embedded plate. A first bolt is provided on the lower base plate, and the lower base plate is installed on the lower seat body by the first bolt. A first anchor rod is provided on the lower embedded plate, and the lower embedded plate is installed on the lower base plate by the first anchor rod.

[0013] Furthermore, the second connecting assembly includes an upper top plate and an upper embedded plate. The upper top plate is provided with a second bolt and is installed on the upper seat body by the second bolt. The upper embedded plate is provided with a second anchor rod and is installed on the upper top plate by the second anchor rod.

[0014] (iii) Beneficial effects:

[0015] Compared with existing technologies, this stable bridge damping rubber bearing has the following advantages:

[0016] This invention utilizes the cooperation of a support base, a linkage rod, and a limiting component. When the upper body moves, the linkage rod slides within the moving groove of the support base. The limiting nut on the linkage rod can directly limit the upward distance of the linkage rod. Furthermore, by turning the locking block on the adjusting rod, the adjusting rod can be driven to rotate on the fixed frame, thereby causing the limiting plate to rise and fall within the support base. This allows for flexible adjustment of the downward distance of the linkage rod, strictly limiting the lifting and lowering movement area of ​​the upper body and ensuring that the shock-absorbing support always has a constant shock-absorbing and buffering movement space. Attached Figure Description

[0017] Figure 1 This is the front view of the present invention;

[0018] Figure 2 This is a cross-sectional view of the present invention;

[0019] Figure 3 This is a schematic diagram of the limiting component in this utility model.

[0020] In the diagram: 1. Lower seat; 2. Upper seat; 3. Box body; 4. First damping block; 5. Second damping block; 6. Through hole; 7. First plug; 8. Third damping block; 9. Second plug; 10. Lower base plate; 11. First bolt; 12. Lower embedded plate; 13. First anchor rod; 14. Upper top plate; 15. Upper embedded plate; 16. Second bolt; 17. Second anchor rod; 18. Support seat; 19. Moving groove; 20. Linkage rod; 21. Limit nut; 22. Fixing frame; 23. Adjusting rod; 24. Tightening block; 25. Limiting plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1-3As shown, this utility model provides a technical solution: a stable bridge vibration damping rubber bearing, a high-damping vibration damping rubber bearing, including a lower body 1 and an upper body 2. A box 3 is fixedly connected to the lower body 1. A damping vibration damping component is provided inside the box 3. The damping vibration damping component includes a first damping vibration damping block 4, a second damping vibration damping block 5, and a third damping vibration damping block 8. The first damping vibration damping block 4 and the second damping vibration damping block 5 are both located inside the box 3. The bottom end of the third damping vibration damping block 8 abuts against the second damping vibration damping block 5, and the top end of the third damping vibration damping block 8 penetrates the box 3 and abuts against the upper body 2. The first damping vibration damping block 4, the second damping vibration damping block 5, and the third damping vibration damping block 8 are stacked to form a plate-like structure. The first damping vibration damping block 4, the second damping vibration damping block 5, and the third damping vibration damping block 8 are all made of rubber.

[0023] The second damping block 5 has through holes 6 arranged at equal intervals. The first damping block 4 is fixedly connected to the first plug 7, which is inserted into the through hole 6. The third damping block 8 is fixedly connected to the second plug 9, which is inserted into the through hole 6. The first plug 7 and the second plug 9 are inserted into the through hole 6, so that the through hole 6 forms a cavity with closed ends, thereby improving the damping performance of the plate-like structure formed by the first damping block 4, the second damping block 5 and the third damping block 8.

[0024] A support base 18 is fixedly connected to the lower base 1. A moving groove 19 is provided on the support base 18. A linkage rod 20 is slidably connected in the moving groove 19. The top end of the linkage rod 20 is fixedly connected to the upper base 2. A limit nut 21 is threadedly connected to the linkage rod 20. A limit component for longitudinally limiting the linkage rod 20 is also provided on the support base 18.

[0025] The limiting component includes a fixed frame 22 fixedly connected to the lower seat 1, an adjusting rod 23 threadedly connected to the fixed frame 22, a screw block 24 fixedly connected to the adjusting rod 23, and the screw block 24 located above the fixed frame 22. The top of the fixed frame 22 is rotatably connected to a limiting plate 25, and the limiting plate 25 is slidably connected to the support seat 18.

[0026] Both the support base 18 and the fixing frame 22 have internal cavities that can accommodate the movement of objects. Users can adjust the limit nut 21 or the locking block 24 by reaching into the cavity with their hands or a wrench.

[0027] When the upper body 2 moves, it causes the linkage rod 20 to slide in the moving groove 19. The rising distance of the linkage rod 20 can be limited by the limiting nut 21. When the upper body 2 moves horizontally, the linkage rod 20 will slide in the moving groove 19. The adjusting rod 23 is rotated on the fixed frame 22 by the screw block 24, which can move the limiting plate 25 up and down in the support seat 18. This can limit the falling distance of the linkage rod 20. The lifting and lowering movement area of ​​the upper body 2 is limited by the linkage rod 20 to obtain a constant movement distance. This allows the device to adjust the damping and shock absorption effect according to the requirements of the usage environment.

[0028] The lower base 1 is provided with a first connecting assembly, which includes a lower base plate 10 and a lower embedded plate 12. The lower base plate 10 is provided with a first bolt 11 and is installed on the lower base 1 by the first bolt 11. The lower embedded plate 12 is provided with a first anchor rod 13 and is installed on the lower base plate 10 by the first anchor rod 13. Both the lower base plate 10 and the lower base 1 are provided with holes that match the first bolt 11. Both the lower embedded plate 12 and the lower base plate 10 are provided with holes that match the first anchor rod 13.

[0029] The upper body 2 is provided with a second connecting assembly, which includes an upper top plate 14 and an upper embedded plate 15. The upper top plate 14 is provided with a second bolt 16 and is installed on the upper body 2 by the second bolt 16. The upper embedded plate 15 is provided with a second anchor rod 17 and is installed on the upper top plate 14 by the second anchor rod 17. Both the upper body 2 and the upper top plate 14 are provided with holes that are compatible with the second bolt 16, and both the upper embedded plate 15 and the upper top plate 14 are provided with holes that are compatible with the second anchor rod 17.

[0030] It should be noted that in this document, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "fixed," "installed," "connected," and "linked" should be interpreted broadly. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "linked" can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stable bridge vibration damping rubber bearing, characterized in that, The device includes a lower seat (1) and an upper seat (2). A housing (3) is fixedly connected to the lower seat (1). A damping and shock absorption assembly is provided inside the housing (3). A support seat (18) is also fixedly connected to the lower seat (1). A moving groove (19) is provided on the support seat (18). A linkage rod (20) is slidably connected in the moving groove (19). The top end of the linkage rod (20) is fixedly connected to the upper seat (2). A limit nut (21) is threadedly connected to the linkage rod (20). A limiting assembly for longitudinally limiting the linkage rod (20) is also provided on the support seat (18). A first connecting assembly is provided on the lower seat (1), and a second connecting assembly is provided on the upper seat (2).

2. The stable bridge vibration damping rubber bearing according to claim 1, characterized in that: The damping and shock absorption assembly includes a first damping block (4), a second damping block (5), and a third damping block (8). The first damping block (4) and the second damping block (5) are both located inside the housing (3). The bottom end of the third damping block (8) abuts against the second damping block (5), and the top end of the third damping block (8) penetrates the housing (3) and abuts against the upper seat (2).

3. A stable bridge vibration damping rubber bearing according to claim 2, characterized in that: The second damping block (5) has through holes (6) arranged at equal intervals. The first damping block (4) is fixedly connected to a first plug (7), and the first plug (7) is inserted into the through hole (6). The third damping block (8) is fixedly connected to a second plug (9), and the second plug (9) is inserted into the through hole (6).

4. A stable bridge vibration damping rubber bearing according to claim 1, characterized in that: The limiting component includes a fixed frame (22) fixedly connected to the lower seat (1), an adjusting rod (23) threadedly connected to the fixed frame (22), a screw block (24) fixedly connected to the adjusting rod (23), and the screw block (24) located above the fixed frame (22). A limiting plate (25) is rotatably connected to the top of the fixed frame (22), and the limiting plate (25) is slidably connected to the support base (18).

5. A stable bridge vibration damping rubber bearing according to claim 1, characterized in that: The first connecting assembly includes a lower base plate (10) and a lower embedded plate (12). The lower base plate (10) is provided with a first bolt (11) and is installed on the lower seat body (1) by the first bolt (11). The lower embedded plate (12) is provided with a first anchor rod (13) and is installed on the lower base plate (10) by the first anchor rod (13).

6. A stable bridge vibration damping rubber bearing according to claim 1, characterized in that: The second connecting assembly includes an upper top plate (14) and an upper embedded plate (15). The upper top plate (14) is provided with a second bolt (16) and is installed on the upper seat (2) by the second bolt (16). The upper embedded plate (15) is provided with a second anchor rod (17) and is installed on the upper top plate (14) by the second anchor rod (17).

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