CN220035173U - Road and bridge damping device - Google Patents
Road and bridge damping device Download PDFInfo
- Publication number
- CN220035173U CN220035173U CN202321425458.2U CN202321425458U CN220035173U CN 220035173 U CN220035173 U CN 220035173U CN 202321425458 U CN202321425458 U CN 202321425458U CN 220035173 U CN220035173 U CN 220035173U
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- bridge
- support plate
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- shock
- plate
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- 238000013016 damping Methods 0.000 title claims abstract description 35
- 230000035939 shock Effects 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation 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 the technical field of road and bridge damping, and in particular discloses a road and bridge damping device, which comprises: the middle of the lower surface of the bridge support plate is fixedly provided with a support block, and two ends of the lower surface of the bridge support plate are fixedly provided with L-shaped plates; the middle supporting plate is movably arranged between the two L-shaped plates; the road bridge damping device has the advantages that the first damping structure and the second damping structure are arranged, the dual damping effect can be improved, the transverse damping structure is arranged, the transverse vibration can be damped, the use effect of the road bridge damping device is better, the two ends of the first spring damper and the second spring damper are rotatably connected, the first spring damper and the second spring damper are obliquely arranged, the longitudinal vibration and the transverse vibration can be damped, and meanwhile, the arc-shaped elastic plate, the first rubber block and the damper can be further improved in damping performance.
Description
Technical Field
The utility model belongs to the technical field of road and bridge shock absorption, and particularly relates to a road and bridge shock absorption device.
Background
In the construction of road and bridge construction, the influence of an earthquake, vibration generated when a vehicle passes through, and the like on the construction structure of the road and bridge must be considered, and the problem of vibration absorption must be fully considered when the road and bridge is designed and built, so that a vibration absorbing device is usually arranged on a support of the road and bridge.
In the Chinese patent with the publication number of CN213896738U, a road and bridge shock-absorbing support is disclosed, the service life of a primary shock-absorbing mechanism is prolonged through a secondary shock-absorbing mechanism, and the shock-absorbing effect of the device is greatly enhanced through the mutual matching of the two shock-absorbing mechanisms.
Although the service life of the first-stage damping mechanism is prolonged through the second-stage damping mechanism, the damping support can only deal with longitudinal vibration, has poor damping effect on transverse vibration, and cannot efficiently reduce vibration which enables a bridge to shake left and right.
Disclosure of Invention
The utility model aims to provide a road and bridge damping device which is used for solving the problem that the damping performance of transverse vibration is poor in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a road bridge shock absorbing device comprising:
the middle of the lower surface of the bridge support plate is fixedly provided with a support block, and two ends of the lower surface of the bridge support plate are fixedly provided with L-shaped plates;
the middle supporting plate is movably arranged between the two L-shaped plates;
the upper surface of the support is fixedly connected with the lower surface of the middle supporting plate through two parallel supporting rods;
the first damping structure is arranged between the bridge support plate and the middle support plate and comprises a first spring damper, an arc-shaped elastic plate and a first rubber block;
a second shock absorbing structure mounted between the intermediate support plate and the support, the second shock absorbing structure comprising a second spring shock absorber and a damper;
the middle rod is arranged between the two support rods, the lower end of the middle rod is fixedly connected with the support, and the baffle is fixedly arranged at the upper end of the middle rod;
the transverse shock-absorbing structure is fixedly arranged between the two supporting rods and comprises a U-shaped plate, a second rubber block and a limiting mechanism.
Preferably, the both ends of first spring damper rotate with the lower surface of bridge backup pad and the upper surface of intermediate support plate respectively and are connected, and two first spring damper symmetry sets up, arc elastic plate fixed mounting is at the upper surface of intermediate support plate, and it is relative with the lower surface of supporting shoe, the upper and lower both ends of first rubber piece respectively with the lower surface of intermediate support plate and the upper surface fixed connection of L template, two first rubber piece symmetry sets up.
Preferably, two ends of the second spring shock absorbers are respectively connected with the lower surface of the L-shaped plate and the side surface of the supporting rod in a rotating way, the two second spring shock absorbers are symmetrically arranged, and two ends of the damper are respectively fixedly connected with the lower surface of the middle supporting plate and the upper surface of the baffle plate.
Preferably, the U-shaped plates are fixedly arranged on one side wall opposite to the two supporting rods, the second rubber blocks are fixedly arranged on two sides of the middle rod, and the other ends of the second rubber blocks are fixedly connected with the U-shaped plates on the same side.
Preferably, the limiting mechanism comprises a sliding rod penetrating through the middle rod and the two U-shaped plates and in sliding connection with the middle rod, two ends of the sliding rod are fixedly provided with stop blocks, and a reset spring is fixedly arranged between each stop block and the adjacent U-shaped plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the road bridge damping device, the first damping structure and the second damping structure are arranged, so that the double damping effect is achieved, and the transverse damping structure is arranged, so that the damping effect on transverse vibration can be achieved, and the road bridge damping device is better in use effect.
(2) According to the utility model, the two ends of the first spring damper and the second spring damper are rotatably connected and are obliquely arranged, so that the vibration absorbing function can be realized on longitudinal vibration and transverse vibration, and meanwhile, the vibration absorbing performance of the device can be further improved through the arrangement of the arc-shaped elastic plate, the first rubber block and the damper.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
fig. 2 is a cross-sectional elevation view of the structure of the present utility model.
In the figure:
1. a bridge support plate; 11. a support block; 12. an L-shaped plate;
2. an intermediate support plate;
3. a support; 31. a support rod;
4. a first shock absorbing structure; 41. a first spring damper; 42. an arc-shaped elastic plate; 43. a first rubber block;
5. a second shock absorbing structure; 51. a second spring damper; 52. a damper;
6. an intermediate lever; 61. a baffle;
7. a transverse shock absorbing structure; 71. a U-shaped plate; 72. a second rubber block; 73. a limiting mechanism; 731. a slide bar; 732. a stop block; 733. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-2, a road and bridge shock absorbing device includes:
the bridge support plate 1, the middle of the lower surface of the bridge support plate 1 is fixedly provided with a support block 11, and two ends of the lower surface of the bridge support plate are fixedly provided with L-shaped plates 12;
a middle support plate 2, wherein the middle support plate 2 is movably arranged between the two L-shaped plates 12;
the upper surface of the support 3 is fixedly connected with the lower surface of the middle support plate 2 through two parallel support rods 31;
a first shock-absorbing structure 4, the first shock-absorbing structure 4 being installed between the bridge support plate 1 and the intermediate support plate 2, the first shock-absorbing structure 4 including a first spring damper 41, an arc-shaped elastic plate 42, and a first rubber block 43;
a second shock-absorbing structure 5, the second shock-absorbing structure 5 being installed between the intermediate support plate 2 and the support 3, the second shock-absorbing structure 5 including a second spring shock absorber 51 and a damper 52;
the middle rod 6 is arranged between the two support rods 31, the lower end of the middle rod 6 is fixedly connected with the support 3, and the upper end of the middle rod 6 is fixedly provided with a baffle 61;
the transverse shock-absorbing structure 7, the transverse shock-absorbing structure 7 is fixedly arranged between the two supporting rods 31, and the transverse shock-absorbing structure 7 comprises a U-shaped plate 71, a second rubber block 72 and a limiting mechanism 73.
From the above, the first shock absorbing structure 4 is installed between the bridge support plate 1 and the intermediate support plate 2, so that the shock transferred between the bridge support plate 1 and the intermediate support plate 2 can be reduced, the second shock absorbing structure 5 is installed between the intermediate support plate 2 and the support 3, so that the shock transferred between the intermediate support plate 2 and the support 3 can be reduced, the shock can be absorbed twice when the vehicle is subjected to the generated shock or the shock generated by the earthquake, the transverse shock absorbing structure 7 is fixedly installed between the two support rods 31, the support rods 31 perpendicular to the support 3 are the structure which is easiest to continuously shake when the transverse shock occurs, and the transverse shock absorbing structure 7 is arranged between the two support rods 31, so that the shock can be reduced, and the kinetic energy can be converted into internal energy.
Specifically, as can be seen from fig. 1 and 2, two ends of the first spring damper 41 are respectively and rotatably connected to the lower surface of the bridge support plate 1 and the upper surface of the intermediate support plate 2, the two first spring dampers 41 are symmetrically arranged, the arc-shaped elastic plate 42 is fixedly mounted on the upper surface of the intermediate support plate 2 and opposite to the lower surface of the support block 11, the upper and lower ends of the first rubber block 43 are respectively and fixedly connected to the lower surface of the intermediate support plate 2 and the upper surface of the L-shaped plate 12, and the two first rubber blocks 43 are symmetrically arranged.
From the above, the bridge support plate 1 and the intermediate support plate 2 are not in direct contact, but are supported by the first spring damper 41 and the first rubber block 43, and the first spring damper 41 and the first rubber block 43 can play a role in damping and buffering, and when the vibration amplitude is large, the support block 11 can be in contact with and squeeze the arc-shaped elastic plate 42, so that the pressure applied by the first spring damper 41 and the first rubber block 43 can be relieved, and the damping effect is enhanced.
Specifically, as can be seen from fig. 1 and 2, two ends of the second spring dampers 51 are respectively rotatably connected to the lower surface of the L-shaped plate 12 and the side surface of the support rod 31, the two second spring dampers 51 are symmetrically arranged, and two ends of the damper 52 are respectively fixedly connected to the lower surface of the intermediate support plate 2 and the upper surface of the baffle 61.
From the above, it is apparent that the intermediate support plate 2 and the baffle 61 fixed to the support 3 through the intermediate lever 6 are not in direct contact, but are supported and damped by the second spring damper 51 and the damper 52.
Embodiment two:
referring to fig. 1 and 2, the U-shaped plates 71 are fixedly installed on opposite side walls of the two support rods 31, the second rubber blocks 72 are fixedly installed on both sides of the intermediate rod 6, and the other ends thereof are fixedly connected with the U-shaped plates 71 on the same side.
As is clear from the above, the two support rods 31 are connected with the middle support plate 6 through the U-shaped plate 71 and the second rubber block 72, and since the middle support plate 2 is connected with the middle support plate 6 through the damper 52, that is, vibration is not easily transmitted through the middle support plate 6, and when an earthquake occurs, the swing amplitude of the middle support plate 6 is different from that of the two support rods 31, the second rubber block 72 is extruded and pulled during the vibration, so that the vibration can be absorbed to realize transverse vibration absorption.
Specifically, as can be seen from fig. 2, the limiting mechanism 73 includes a slide rod 731 penetrating through the intermediate rod 6 and the two U-shaped plates 71 and slidably connected therewith, two ends of the slide rod 731 are fixedly provided with a stopper 732, and a return spring 733 is fixedly provided between the stopper 732 and the adjacent U-shaped plate 71.
From the above, the return spring 733 is connected through the slide bar 731 and the stopper 732, so that when a transverse vibration occurs, the relative displacement between the two support bars 31 due to different oscillation amplitude and frequency can be restrained and restored by the return spring 733, so as to ensure the strength of the support structure formed by the two support bars 31.
Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a road and bridge damping device which characterized in that includes:
the bridge support plate (1), wherein a support block (11) is fixedly arranged in the middle of the lower surface of the bridge support plate (1), and L-shaped plates (12) are fixedly arranged at two ends of the lower surface of the bridge support plate;
an intermediate support plate (2), wherein the intermediate support plate (2) is movably arranged between the two L-shaped plates (12);
the upper surface of the support (3) is fixedly connected with the lower surface of the middle support plate (2) through two parallel support rods (31);
the bridge comprises a first damping structure (4), wherein the first damping structure (4) is arranged between a bridge support plate (1) and an intermediate support plate (2), and the first damping structure (4) comprises a first spring damper (41), an arc-shaped elastic plate (42) and a first rubber block (43);
a second shock absorbing structure (5), the second shock absorbing structure (5) being mounted between the intermediate support plate (2) and the support (3), the second shock absorbing structure (5) comprising a second spring shock absorber (51) and a damper (52);
the middle rod (6), the middle rod (6) is arranged between the two supporting rods (31), the lower end of the middle rod is fixedly connected with the support (3), and the baffle (61) is fixedly arranged at the upper end of the middle rod (6);
the transverse shock-absorbing structure (7), transverse shock-absorbing structure (7) fixed mounting is between two bracing pieces (31), transverse shock-absorbing structure (7) are including U template (71), second rubber piece (72) and stop gear (73).
2. The road and bridge vibration damping device according to claim 1, wherein: the both ends of first spring damper (41) rotate with the lower surface of bridge backup pad (1) and the upper surface of intermediate support board (2) respectively and are connected, and two first spring damper (41) symmetry sets up, arc elastic plate (42) fixed mounting is at the upper surface of intermediate support board (2), and it is relative with the lower surface of supporting shoe (11), the upper and lower both ends of first rubber piece (43) respectively with the lower surface of intermediate support board (2) and the upper surface fixed connection of L template (12), two first rubber pieces (43) symmetry set up.
3. The road and bridge vibration damping device according to claim 1, wherein: two ends of the second spring shock absorbers (51) are respectively connected with the lower surface of the L-shaped plate (12) and the side surface of the supporting rod (31) in a rotating mode, the two second spring shock absorbers (51) are symmetrically arranged, and two ends of the damper (52) are respectively fixedly connected with the lower surface of the middle supporting plate (2) and the upper surface of the baffle plate (61).
4. The road and bridge vibration damping device according to claim 1, wherein: the U-shaped plates (71) are fixedly arranged on opposite side walls of the two supporting rods (31), the second rubber blocks (72) are fixedly arranged on two sides of the middle rod (6), and the other ends of the second rubber blocks are fixedly connected with the U-shaped plates (71) on the same side.
5. The road and bridge vibration damping device according to claim 1, wherein: the limiting mechanism (73) comprises a sliding rod (731) penetrating through the middle rod (6) and the two U-shaped plates (71) and being in sliding connection with the middle rod, two ends of the sliding rod (731) are fixedly provided with stop blocks (732), and return springs (733) are fixedly arranged between the stop blocks (732) and the adjacent U-shaped plates (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425458.2U CN220035173U (en) | 2023-06-06 | 2023-06-06 | Road and bridge damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425458.2U CN220035173U (en) | 2023-06-06 | 2023-06-06 | Road and bridge damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035173U true CN220035173U (en) | 2023-11-17 |
Family
ID=88741433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425458.2U Active CN220035173U (en) | 2023-06-06 | 2023-06-06 | Road and bridge damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220035173U (en) |
-
2023
- 2023-06-06 CN CN202321425458.2U patent/CN220035173U/en active Active
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