CN219808256U - Shock-absorbing structure of bridge expansion joint - Google Patents
Shock-absorbing structure of bridge expansion joint Download PDFInfo
- Publication number
- CN219808256U CN219808256U CN202321192691.0U CN202321192691U CN219808256U CN 219808256 U CN219808256 U CN 219808256U CN 202321192691 U CN202321192691 U CN 202321192691U CN 219808256 U CN219808256 U CN 219808256U
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- Prior art keywords
- bridge
- bridge plate
- spring
- wall
- expansion joint
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- 238000013016 damping Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 21
- 230000035939 shock Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a damping structure of a bridge expansion joint, which comprises a first bridge plate, wherein the inner wall of the first bridge plate is connected with a limiting block in a sliding way, one side of the limiting block is fixedly connected with a sliding rod, one end of the sliding rod penetrates through the first bridge plate and is fixedly connected with a second bridge plate, and the other side of the limiting block is provided with a damper. The utility model has the beneficial effects that when the first bridge plate and the second bridge plate are mutually close, the sliding rod slides in the first bridge plate to drive the limiting block to slide in the first bridge plate, the damper and the first spring are tightly pressed, the first bridge plate and the second bridge plate are damped through the cooperation of the damper and the first spring, the first bridge plate and the second bridge plate are prevented from being damaged by collision, the second damping rod slides in the first damping rod when the first bridge plate and the second bridge plate are mutually close, the third spring is tightly pressed, and the first bridge plate and the second bridge plate are damped through the cooperation of the first damping rod, the second damping rod and the third spring, so that the bridge is better protected.
Description
Technical Field
The utility model relates to the technical field of bridges, in particular to a damping structure of a bridge expansion joint.
Background
Through retrieving, chinese patent discloses a shock-absorbing structure (grant bulletin number CN 210262692U) of bridge expansion joint, and this patent technique includes first bridge and second bridge, all be fixed with the diaphragm on the inner wall that first bridge and second bridge are in opposite directions, through bolt fastening damper on the diaphragm, damper includes shell, first inner shell and second inner shell, and first inner shell and second inner shell nest respectively on the both sides face of shell symmetry, and first inner shell and second inner shell meet with the mainboard on the first spring. This shock-absorbing structure of bridge expansion joint is connected with the second spring between the top surface of shell and the tooth, and the second spring provides the absorbing ability for the tooth when rocking from top to bottom simultaneously, and the guide bar removes in the guiding hole and gives first spring with impact force transmission, leans on first spring deformation to absorb the impulsive force that vibrations produced each other between the mainboard, and the ball ring can reduce the guide bar gliding frictional force in the guiding hole, and the sealing washer carries out waterproof protection, improves the life-span of use.
However, in the practical application process, the damping effect of the bridge expansion joint is poor, the damping is carried out only by the cooperation of the first spring and the second spring, the effective shock absorption cannot be achieved, and the bridge plate is extremely easy to damage during the collision of the bridge plate.
Disclosure of Invention
In view of the foregoing problems in the prior art, a primary object of the present utility model is to provide a damping structure for a bridge expansion joint.
The technical scheme of the utility model is as follows: the utility model provides a shock-absorbing structure of bridge expansion joint, includes first bridge, the inner wall sliding connection of first bridge has the stopper, one side fixedly connected with slide bar of stopper, the one end of slide bar runs through first bridge and fixedly connected with second bridge, the opposite side of stopper is provided with the attenuator, the outer wall of attenuator is provided with first spring, the inner wall fixedly connected with first damping pole of second bridge, the inner wall sliding connection of first damping pole has the second damping pole, the one end and the first bridge fixed connection of second damping pole, the outer wall of second damping pole is provided with the third spring.
As a preferred embodiment, the first damper rod is internally provided with a fourth spring.
As a preferred implementation mode, the inside fixedly connected with second spacing axle of first bridge plate, the outer wall sliding connection of second spacing axle has the spacing slider of second, the spacing slider of second and stopper fixed connection, the outer wall of second spacing axle is provided with the second spring.
As a preferred embodiment, the outer wall of the sliding rod is provided with a first corrugated pad, and the inner wall of the first bridge plate is provided with a second corrugated pad matched with the first corrugated pad for use.
As a preferred embodiment, a sealing ring is arranged on one side of the first bridge plate, and a sealing groove matched with the sealing ring is arranged inside the second bridge plate.
As a preferred implementation mode, one side fixedly connected with slide of first bridge plate, the outer wall of second bridge plate is provided with the spout that the cooperation slide used, the inside fixedly connected with first spacing axle of second bridge plate, the outer wall sliding connection of first spacing axle has first spacing slider, first spacing slider and slide fixed connection.
As a preferred embodiment, the first corrugated pad, the second corrugated pad and the sealing ring are all made of rubber materials.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, when the first bridge plate and the second bridge plate are mutually close, the sliding rod slides in the first bridge plate to drive the limiting block to slide in the first bridge plate, the damper and the first spring are tightly pressed, the first bridge plate and the second bridge plate are damped through the cooperation of the damper and the first spring, the first bridge plate and the second bridge plate are prevented from being damaged by collision, the second damping rod slides in the first damping rod when the first bridge plate and the second bridge plate are mutually close, the third spring is tightly pressed, and the first bridge plate and the second bridge plate are damped in a multistage manner through the cooperation of the first damping rod, the second damping rod and the third spring, so that a bridge is better protected.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A;
fig. 4 is an enlarged view of the utility model at B.
Legend description: 1. a first bridge plate; 2. a second bridge plate; 3. a slide plate; 4. a chute; 5. a first limiting shaft; 6. the first limiting slide block; 7. a seal ring; 8. sealing grooves; 9. a slide bar; 10. a limiting block; 11. a first corrugated pad; 12. a second corrugated pad; 13. a damper; 14. a first spring; 15. the second limiting shaft; 16. a second spring; 17. the second limit sliding block; 18. a first damping rod; 19. a second damping rod; 20. a third spring; 21. and a fourth spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.
The utility model will be further described with reference to the drawings and the specific embodiments
Example 1
As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a shock-absorbing structure of bridge expansion joint, including first bridge 1, the inner wall sliding connection of first bridge 1 has stopper 10, one side fixedly connected with slide bar 9 of stopper 10, the one end of slide bar 9 runs through first bridge 1 and fixedly connected with second bridge 2, the opposite side of stopper 10 is provided with attenuator 13, the outer wall of attenuator 13 is provided with first spring 14, the inner wall fixedly connected with first damping pole 18 of second bridge 2, the inner wall sliding connection of first damping pole 18 has second damping pole 19, the one end and the first bridge 1 fixed connection of second damping pole 19, the outer wall of second damping pole 19 is provided with third spring 20.
In this embodiment, when the first bridge plate 1 and the second bridge plate 2 are close to each other, the sliding rod 9 slides in the first bridge plate 1 to drive the limiting block 10 to slide in the first bridge plate 1, the damper 13 and the first spring 14 are pressed, the damper 13 is matched with the first spring 14 to absorb shock to the first bridge plate 1 and the second bridge plate 2, collision damage between the first bridge plate 1 and the second bridge plate 2 is prevented, the second damping rod 19 slides in the first damping rod 18 to press the third spring 20 while the first bridge plate 1 and the second bridge plate 2 are close to each other, and the first bridge plate 1 and the second bridge plate 2 are subjected to multistage shock absorption by the cooperation of the first damping rod 18, the second damping rod 19 and the third spring 20 to better protect a bridge.
Example 2
As shown in fig. 1 to 4, the inside of the first damper lever 18 is provided with a fourth spring 21; the inside of the first bridge plate 1 is fixedly connected with a second limiting shaft 15, the outer wall of the second limiting shaft 15 is slidably connected with a second limiting slide block 17, the second limiting slide block 17 is fixedly connected with a limiting block 10, and the outer wall of the second limiting shaft 15 is provided with a second spring 16; the outer wall of the sliding rod 9 is provided with a first corrugated pad 11, and the inner wall of the first bridge plate 1 is provided with a second corrugated pad 12 matched with the first corrugated pad 11 for use; one side of the first bridge plate 1 is provided with a sealing ring 7, and the inside of the second bridge plate 2 is provided with a sealing groove 8 matched with the sealing ring 7 for use; one side of the first bridge plate 1 is fixedly connected with a sliding plate 3, the outer wall of the second bridge plate 2 is provided with a sliding groove 4 matched with the sliding plate 3 for use, the inside of the second bridge plate 2 is fixedly connected with a first limit shaft 5, the outer wall of the first limit shaft 5 is slidably connected with a first limit sliding block 6, and the first limit sliding block 6 is fixedly connected with the sliding plate 3; the first corrugated pad 11, the second corrugated pad 12 and the sealing ring 7 are all made of rubber materials.
In this embodiment, when the first bridge plate 1 and the second bridge plate 2 are close to each other, the sliding plate 3 slides in the sliding groove 4, the first limiting slide block 6 slides on the first limiting shaft 5, so that the supporting performance of the bridge is better, when the limiting block 10 slides in the first bridge plate 1, the second limiting slide block 17 slides on the second limiting shaft 15 to compress the second spring 16, multistage damping is performed on the bridge expansion joint, when the sliding rod 9 slides in the first bridge plate 1, the first corrugated pad 11 slides in the second corrugated pad 12, the joint of the sliding rod 9 and the first bridge plate 1 is waterproof, and meanwhile, the sealing ring 7 slides in the sealing groove 8, multistage waterproof is performed on the first bridge plate 1 and the second bridge plate 2, so that the sealing performance between the first bridge plate 1 and the second bridge plate 2 is good.
Working principle:
as shown in fig. 1-4, when the first bridge plate 1 and the second bridge plate 2 are close to each other, the sliding rod 9 slides in the first bridge plate 1 to drive the limiting block 10 to slide in the first bridge plate 1, the damper 13 and the first spring 14 are pressed, the first bridge plate 1 and the second bridge plate 2 are damped through the cooperation of the damper 13 and the first spring 14, collision damage between the first bridge plate 1 and the second bridge plate 2 is prevented, when the sliding rod 9 slides in the first bridge plate 1, the first corrugated pad 11 slides in the second corrugated pad 12 to waterproof the joint of the sliding rod 9 and the first bridge plate 1, the second damping rod 19 slides in the first damping rod 18 to press the third spring 20, the sealing ring 7 slides in the second corrugated pad 8 to prevent the joint of the sliding rod 9 and the first bridge plate 1, the second bridge plate 2 is matched with the third spring 20, and the multistage bridge plate 1 and the multistage sealing groove 2 are damped through the cooperation of the first damping rod 18, the second damping rod 19 and the third spring 20, and meanwhile the sealing ring 7 slides in the first bridge plate 1 and the second bridge plate 2 is sealed with the multistage sealing groove 8, so that the quality of the traditional bridge device is improved.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides a shock-absorbing structure of bridge expansion joint, includes first bridge plate (1), its characterized in that: the inner wall sliding connection of first bridge (1) has stopper (10), one side fixedly connected with slide bar (9) of stopper (10), the one end of slide bar (9) runs through first bridge (1) and fixedly connected with second bridge (2), the opposite side of stopper (10) is provided with attenuator (13), the outer wall of attenuator (13) is provided with first spring (14), the inner wall fixedly connected with first damping pole (18) of second bridge (2), the inner wall sliding connection of first damping pole (18) has second damping pole (19), the one end and the first bridge (1) fixed connection of second damping pole (19), the outer wall of second damping pole (19) is provided with third spring (20).
2. The bridge expansion joint shock absorbing structure according to claim 1, wherein: a fourth spring (21) is arranged inside the first damping rod (18).
3. The bridge expansion joint shock absorbing structure according to claim 1, wherein: the inside fixedly connected with second spacing axle (15) of first bridge plate (1), the outer wall sliding connection of second spacing axle (15) has second spacing slider (17), second spacing slider (17) and stopper (10) fixed connection, the outer wall of second spacing axle (15) is provided with second spring (16).
4. The bridge expansion joint shock absorbing structure according to claim 1, wherein: the outer wall of slide bar (9) is provided with first ripple pad (11), the inner wall of first lamina bridge (1) is provided with second ripple pad (12) that cooperate first ripple pad (11) to use.
5. The bridge expansion joint shock absorbing structure according to claim 4, wherein: one side of the first bridge plate (1) is provided with a sealing ring (7), and the inside of the second bridge plate (2) is provided with a sealing groove (8) matched with the sealing ring (7) for use.
6. The bridge expansion joint shock absorbing structure according to claim 1, wherein: one side fixedly connected with slide (3) of first bridge plate (1), the outer wall of second bridge plate (2) is provided with spout (4) that cooperation slide (3) used, the inside fixedly connected with first spacing axle (5) of second bridge plate (2), the outer wall sliding connection of first spacing axle (5) has first spacing slider (6), first spacing slider (6) and slide (3) fixed connection.
7. The bridge expansion joint shock absorbing structure according to claim 5, wherein: the first corrugated pad (11), the second corrugated pad (12) and the sealing ring (7) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192691.0U CN219808256U (en) | 2023-05-17 | 2023-05-17 | Shock-absorbing structure of bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192691.0U CN219808256U (en) | 2023-05-17 | 2023-05-17 | Shock-absorbing structure of bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219808256U true CN219808256U (en) | 2023-10-10 |
Family
ID=88212924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192691.0U Active CN219808256U (en) | 2023-05-17 | 2023-05-17 | Shock-absorbing structure of bridge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219808256U (en) |
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2023
- 2023-05-17 CN CN202321192691.0U patent/CN219808256U/en active Active
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