Bidirectional anti-seismic support for bridge
The bidirectional seismic-resistant bracket for bridge frames addresses maintenance complexity by enabling quick inspection and replacement of shock absorbers through a guide mechanism and maintenance cover system, ensuring efficient shock absorption and operational stability.
Patent Information
- Application Number
- CN202420958441.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Existing bridge anti-seismic brackets face maintenance challenges due to complex and time-consuming operations when shock absorbers need inspection or replacement, often requiring disassembly of the entire bracket system, affecting maintenance efficiency.
A bidirectional seismic-resistant bracket for bridge frames featuring a guide mechanism, shock-absorbing boxes with adjustable grooves, and a maintenance cover system that allows quick replacement and inspection of shock absorbers without disassembling the entire system, utilizing a threaded column and elastic support mechanism for easy maintenance.
Enables efficient and quick maintenance of shock absorbers by allowing separate inspection and replacement of components, ensuring stable bidirectional shock absorption and maintaining normal bridge operation.
Smart Images

Figure CN222296848U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bidirectional earthquake-resistant brackets, in particular to a bidirectional earthquake-resistant bracket used for a bridge frame. Background Art
[0002] As we all know, the existing bridge anti-seismic brackets can provide a certain shock absorption effect when dealing with strong vibrations such as earthquakes. However, during long-term use, the internal components of the shock absorber may be worn, aged or damaged, affecting its shock absorption performance. However, the design of the existing anti-seismic brackets often ignores the convenient maintenance of the shock absorber, resulting in complex and time-consuming operations when the shock absorber needs to be inspected or replaced, and the entire bracket system may even need to be disassembled, which seriously affects the normal operation and maintenance efficiency of the bridge system. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a bidirectional seismic support for a bridge frame, comprising a fixing plate and a mounting plate, a guide mechanism is provided between the fixing plate and the mounting plate, an adjustment box is provided on the fixing plate, shock-absorbing boxes are provided at both ends of the adjustment box, an adjustment groove is provided on one side of the shock-absorbing box, a first shock absorber is provided between the adjustment groove and the adjustment box, a guide rail mechanism is provided between the fixing plate and the two shock-absorbing boxes, a shock-absorbing support mechanism is provided between the shock-absorbing box and the mounting plate, the shock-absorbing support mechanism comprises an adjustment frame, a fastening box and a support rod, the adjustment frame is installed at the bottom end of the fastening box and the top end of the shock-absorbing box An adjusting shaft is provided between the adjusting frame and the supporting rod, a threaded groove is provided at the top of the fastening box, a maintenance cover is provided on the threaded groove, a second shock absorber is provided between the maintenance cover and the mounting plate, a threaded hole is provided at one end of the fastening box, a threaded column is provided on the threaded hole, a cone head is provided at one end of the threaded column, a fixing groove is provided at one end of the threaded hole, an inclined plate is provided on the fixing groove, an elastic supporting mechanism and a positioning mechanism are provided between the inclined plate and the fixing groove, a rectangular column is provided at the top of the inclined plate, the rectangular column extends into the threaded groove, a rectangular groove is provided at the bottom end of the maintenance cover, and the rectangular column rests on the rectangular groove.
[0004] The utility model discloses a bidirectional seismic-resistant bracket for a bridge frame, wherein the guide mechanism comprises a guide column and a guide rod, wherein the guide column is mounted on the bottom end of the mounting plate, the guide rod is mounted on the top end of the fixing plate, a guide hole is formed at the bottom end of the guide column, and the guide rod extends to the guide hole.
[0005] The utility model provides a bidirectional anti-seismic bracket for a bridge frame, wherein two guide mechanisms are provided and are symmetrically arranged.
[0006] The utility model provides a bidirectional earthquake-resistant bracket for a bridge frame, wherein the elastic support mechanism comprises an elastic component and a support plate, the elastic component is located in the fixing groove, the support plate is installed on one side of the inclined plate, and the support plate is connected to the top end of the elastic component.
[0007] The utility model discloses a bidirectional earthquake-resistant bracket for a bridge frame, wherein the positioning mechanism comprises a positioning block and a positioning slot, wherein the positioning slot is arranged on one side of the fixing slot, the positioning block is mounted on the inclined plate, and the positioning block is slidably connected to the positioning slot.
[0008] The utility model discloses a bidirectional earthquake-resistant bracket for a bridge frame, wherein two positioning mechanisms are provided and are symmetrically arranged.
[0009] The utility model discloses a bidirectional earthquake-resistant bracket for a bridge frame, wherein the rectangular column and the rectangular groove are both hexagonal structures.
[0010] The utility model discloses a bidirectional earthquake-resistant bracket for a bridge frame, wherein a screw block is arranged on the threaded column.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the first shock absorber arranged on one side of the shock absorbing box cooperates with the adjusting groove to realize lateral shock absorption of the bridge frame, ensuring that the bridge frame remains stable when encountering horizontal earthquake force; the second shock absorber on the maintenance cover provides vertical shock absorption function, effectively responds to vertical vibration or uneven ground settlement of the bridge frame, and realizes all-round earthquake protection;
[0012] By rotating the threaded column in the fastening box, the cone head, the inclined plate and the elastic support mechanism are driven to move, so that the rectangular column and the rectangular groove are separated, and the locking state of the maintenance cover and the second shock absorber is easily released. The second shock absorber can be quickly repaired or replaced without complicated disassembly, and the first shock absorber can be easily maintained by disassembling the shock absorber box. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a structural schematic diagram of the utility model;
[0015] Figure 3 It is a front view half-section diagram of the structure of the utility model;
[0016] Figure 4 This utility model Figure 1 An enlarged front view of the structure of the middle fastening box;
[0017] 1. Fixing plate; 2. Mounting plate; 3. Adjustment box; 4. Shock absorber box; 5. First shock absorber; 6. Adjustment frame; 7. Fastening box; 8. Support rod; 9. Maintenance cover; 10. Second shock absorber; 11. Threaded column; 12. Cone head; 13. Inclined plate; 14. Rectangular column; 15. Guide column; 16. Guide rod; 17. Elastic component; 18. Support plate; 19. Positioning block. DETAILED DESCRIPTION
[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0019] like Figures 1 to 4 As shown, the utility model is a bidirectional seismic support for a bridge frame, comprising a fixing plate 1 and a mounting plate 2, a guiding mechanism is arranged between the fixing plate 1 and the mounting plate 2, an adjusting box 3 is arranged on the fixing plate 1, shock absorbing boxes 4 are arranged at both ends of the adjusting box 3, an adjusting groove is opened on one side of the shock absorbing box 4, a first shock absorber 5 is arranged between the adjusting groove and the adjusting box 3, a guide rail mechanism is arranged between the fixing plate 1 and the two shock absorbing boxes 4, a shock absorbing support mechanism is arranged between the shock absorbing box 4 and the mounting plate 2, the shock absorbing support mechanism comprises an adjusting frame 6, a fastening box 7 and a support rod 8, the adjusting frame 6 is installed on the bottom end of the fastening box 7 and the top end of the shock absorbing box 4, an adjusting shaft is arranged between the adjusting frame 6 and the support rod 8, a threaded groove is opened on the top end of the fastening box 7, a maintenance cover 9 is arranged on the threaded groove, and a The second shock absorber 10, a threaded hole is provided at one end of the fastening box 7, a threaded column 11 is provided on the threaded hole, a cone head 12 is provided at one end of the threaded column 11, a fixing groove is provided at one end of the threaded hole, an inclined plate 13 is provided on the fixing groove, an elastic support mechanism and a positioning mechanism are provided between the inclined plate 13 and the fixing groove, a rectangular column 14 is provided at the top of the inclined plate 13, the rectangular column 14 extends into the threaded groove, a rectangular groove is provided at the bottom end of the maintenance cover 9, and the rectangular column 14 is against the rectangular groove. In this embodiment, by rotating the threaded column 11 in the fastening box 7, the cone head 12, the inclined plate 13 and the elastic support mechanism are driven to move, so that the rectangular column 14 is separated from the rectangular groove, and the locking state of the maintenance cover 9 and the second shock absorber 10 is easily released, and the second shock absorber 10 can be quickly repaired or replaced without complicated disassembly, and the first shock absorber 5 can be easily maintained by disassembling the shock absorber box 4.
[0020] The utility model is a bidirectional seismic-resistant bracket for a bridge frame, wherein the guide mechanism comprises a guide column 15 and a guide rod 16, wherein the guide column 15 is mounted on the bottom end of the mounting plate 2, and the guide rod 16 is mounted on the top end of the fixing plate 1, and a guide hole is provided at the bottom end of the guide column 15, and the guide rod 16 extends to the guide hole, and during the shock absorption process, the mounting plate 2 can be stably lifted and lowered for shock absorption movement by the guide rod 16 passing through the guide hole of the guide column 15.
[0021] The utility model provides a bidirectional anti-seismic bracket for a bridge frame, wherein two guide mechanisms are provided and are symmetrically arranged, and the stability of the mounting plate 2 during shock absorption can be improved by the two symmetrically arranged guide mechanisms.
[0022] The utility model is a bidirectional seismic-resistant bracket for a bridge frame, wherein the elastic support mechanism includes an elastic component 17 and a support plate 18, wherein the elastic component 17 is located in the fixing groove, and the support plate 18 is installed on one side of the inclined plate 13, and the support plate 18 is connected to the top end of the elastic component 17. The support plate 18 is supported by the elastic component 17, so that the rectangular column 14 of the inclined plate 13 can be stably pressed against the rectangular groove.
[0023] The utility model is a bidirectional seismic support for a bridge frame, the positioning mechanism includes a positioning block 19 and a positioning slot, the positioning slot is arranged on one side of the fixing slot, the positioning block 19 is mounted on the inclined plate 13, the positioning block 19 is slidably connected to the positioning slot, and the inclined plate 13 can be stably moved in a straight line in the fixing slot by sliding the positioning block 19 mounted on the inclined plate 13 to the positioning slot.
[0024] The utility model provides a bidirectional anti-seismic bracket for a bridge frame, wherein two positioning mechanisms are provided and are symmetrically arranged. The two symmetrically arranged positioning mechanisms can improve the stability of the inclined plate 13 when it moves.
[0025] The utility model is a bidirectional seismic-resistant support for a bridge frame, wherein the rectangular column 14 and the rectangular groove are both hexagonal structures. The hexagonal rectangular column 14 and the rectangular groove can facilitate the alignment of the rectangular housing in the rectangular groove and can effectively prevent the maintenance cover 9 from loosening.
[0026] The utility model discloses a bidirectional anti-seismic bracket for a bridge frame, wherein a screw block is provided on the threaded column 11, and the screw block is used to hold and rotate the threaded column 11.
[0027] The utility model discloses a bidirectional seismic support for a bridge frame, which, when working, has a lateral shock-absorbing effect through the first shock absorber 5 between the adjusting groove on one side of the two shock-absorbing boxes 4 and the adjusting box 3, the shock-absorbing box 4 moves laterally on the fixed plate 1 in a straight line through the guide rail mechanism, and has a vertical shock-absorbing effect through the second shock absorber 10 on the maintenance cover 9, and can achieve bidirectional shock absorption of the mounting plate 2 through the support rod 8 connected by the adjusting shaft of the adjusting frame 6 between the fastening box 7 and the shock-absorbing box 4, and can achieve bidirectional shock absorption of the mounting plate 2, after long-term use, the first shock absorber 5 and the second shock absorber 10 need to be regularly inspected to see if the internal components have reached their service life or are damaged, at this time, by rotating the fastening box 7 to move the threaded column 11 of the threaded hole, the threaded column 11 drives the cone head 12 to rotate and move, the cone head 12 contacts and pushes the inclined plate 13, the inclined plate 13 moves straight downward in the fixed groove through the positioning mechanism, the elastic supporting mechanism is deformed, the rectangular column 14 leaves the rectangular groove, and then the maintenance cover 9 is rotated, so that the second shock absorber 10 is separated from the maintenance cover 9, so as to facilitate the inspection of the second shock absorber 10, and then the guide rail mechanism is moved The support rod 8 and the shock-absorbing box 4 make it easy to inspect and repair the first shock absorber 5. The method of removing the shock-absorbing box 4 from the guide rail mechanism is a common disassembly method in existing life and is not described in detail in this structure. Then, the shock-absorbing box 4 is assembled on the guide rail mechanism through the commonly used assembly method. At this time, the inspected first shock absorber 5 is against the adjustment groove, and then the second shock absorber 10 is inserted into the top of the maintenance cover 9, and the maintenance cover 9 is threadedly connected to the threaded groove, and then the threaded column 11 is rotated in the opposite direction to make the elastic support mechanism support the inclined plate 13, and the rectangular column 14 moves into the threaded groove. The personnel fine-tune the maintenance cover 9 so that the rectangular groove of the maintenance cover 9 is aligned with the rectangular column 14. The elastic support mechanism can make the rectangular column 14 inserted into the aligned rectangular groove, thereby effectively preventing the maintenance cover 9 from loosening in the threaded groove. It is assembled on the equipment or device using this structure through the mounting plate 2 and the fixing plate 1. The distance between the mounting plate 2 and the fixing plate 1 is limited, and the second shock absorber 10 will not be separated from the maintenance cover 9, thereby ensuring the normal two-way shock absorption operation of this structure.
[0028] The utility model is a bidirectional seismic-resistant bracket for a bridge frame, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; technical personnel in this industry only need to install and operate it according to the accompanying instruction manual.
[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A bidirectional seismic support for a bridge, comprising a fixing plate (1) and a mounting plate (2), wherein a guide mechanism is provided between the fixing plate (1) and the mounting plate (2), characterized in that: The fixing plate (1) is provided with an adjustment box (3), and shock absorbing boxes (4) are provided at both ends of the adjustment box (3). An adjustment slot is provided on one side of the shock absorbing box (4), and a first shock absorber (5) is provided between the adjustment slot and the adjustment box (3). A guide rail mechanism is provided between the fixing plate (1) and the two shock absorbing boxes (4), and a shock absorbing support mechanism is provided between the shock absorbing box (4) and the mounting plate (2). The shock absorbing support mechanism comprises an adjustment frame (6), a fastening box (7) and a support rod (8). The adjustment frame (6) is installed at the bottom end of the fastening box (7) and the top end of the shock absorbing box (4), and an adjustment shaft is provided between the adjustment frame (6) and the support rod (8). The top end of the fastening box (7) is provided with a guide rail mechanism. A threaded groove is provided, a maintenance cover (9) is provided on the threaded groove, a second shock absorber (10) is provided between the maintenance cover (9) and the mounting plate (2), a threaded hole is provided at one end of the fastening box (7), a threaded column (11) is provided on the threaded hole, a cone head (12) is provided at one end of the threaded column (11), a fixing groove is provided at one end of the threaded hole, an inclined plate (13) is provided on the fixing groove, an elastic support mechanism and a positioning mechanism are provided between the inclined plate (13) and the fixing groove, a rectangular column (14) is provided at the top end of the inclined plate (13), the rectangular column (14) extends into the threaded groove, a rectangular groove is provided at the bottom end of the maintenance cover (9), and the rectangular column (14) abuts against the rectangular groove.
2. A bidirectional seismic support for a bridge according to claim 1, characterized in that: The guide mechanism comprises a guide column (15) and a guide rod (16), wherein the guide column (15) is mounted on the bottom end of the mounting plate (2), and the guide rod (16) is mounted on the top end of the fixing plate (1), and a guide hole is formed at the bottom end of the guide column (15), and the guide rod (16) extends to the guide hole.
3. A bidirectional seismic support for a bridge according to claim 2, characterized in that: The guide mechanisms are provided with two and are symmetrically arranged.
4. A bidirectional seismic support for a bridge according to claim 3, characterized in that: The elastic support mechanism comprises an elastic component (17) and a support plate (18), wherein the elastic component (17) is located in the fixing groove, the support plate (18) is installed on one side of the inclined plate (13), and the support plate (18) is connected to the top end of the elastic component (17).
5. A bidirectional seismic support for a bridge according to claim 4, characterized in that: The positioning mechanism comprises a positioning block (19) and a positioning slot, wherein the positioning slot is arranged on one side of the fixing slot, the positioning block (19) is mounted on the inclined plate (13), and the positioning block (19) is slidably connected to the positioning slot.
6. A bidirectional seismic support for a bridge according to claim 5, characterized in that: The positioning mechanisms are provided with two and are symmetrically arranged.
7. A bidirectional seismic support for a bridge according to claim 6, characterized in that: The rectangular column (14) and the rectangular groove are both hexagonal structures.
8. The bidirectional seismic support for a bridge according to claim 7, characterized in that: The threaded column (11) is provided with a screw block.
