CN113969541A - Damping support for road and bridge - Google Patents
Damping support for road and bridge Download PDFInfo
- Publication number
- CN113969541A CN113969541A CN202010725729.0A CN202010725729A CN113969541A CN 113969541 A CN113969541 A CN 113969541A CN 202010725729 A CN202010725729 A CN 202010725729A CN 113969541 A CN113969541 A CN 113969541A
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- fixedly connected
- groove
- damping
- seat
- road
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- 238000013016 damping Methods 0.000 title claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 abstract description 28
- 238000005381 potential energy Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a damping support for a road and a bridge, which comprises a top seat and a base, wherein two sides of the bottom of the top seat are fixedly connected with stabilizer bars, the top ends of the stabilizer bars are sleeved with elastic rings, the outer sides of the elastic rings are fixedly connected with the top seat, two sides of the upper end of the base are fixedly connected with damping sleeves corresponding to the stabilizer bars, the stabilizer bars extend into the damping sleeves, damping springs are arranged in the damping sleeves, and the tops of the damping springs are fixedly connected with the bottoms of the stabilizer bars. The invention can slow down horizontal impact, ensure that the stabilizer bar and the top seat cannot generate excessive deviation and dislocation in the horizontal direction, simultaneously the rubber pad can slow down the movement of the supporting seat, improve the bearing capacity of the bridge support, and the auxiliary buffer mechanism can counteract the pressure on the reinforcing column, increase stress points to share load, the energy absorption block can further absorb impact potential energy, ensure the shock absorption performance of the bridge support and improve the stability of a road bridge.
Description
Technical Field
The invention relates to the technical field of bridge damping, in particular to a damping support for roads and bridges.
Background
In the construction of long-distance roads, rivers, valleys and other places are often crossed, and then the bridge plays an important role in communicating two places. The bridge support is an important structural component for connecting an upper structure and a lower structure of a bridge, the counter-force and the deformation of the upper structure of the bridge can be reliably transmitted to the lower structure of the bridge, the bridge structure generates larger relative displacement between the upper structure and the lower structure under the action of a strong shock, and when the displacement exceeds the actual beam falling prevention length or limit of the bridge, the beam falling occurs, so that the traffic is interrupted, great difficulty is brought to disaster relief work, and huge economic loss is caused.
But the existing road and bridge support has the disadvantages of unsatisfactory anti-seismic and damping effects, single damping mode, easy instability of roads and bridges and low safety performance.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a suspension strut for road and bridge, which solves the problems mentioned in the background of the invention.
In order to achieve the above and other related objects, the invention provides a damping support for a road and bridge, comprising a top seat and a base, wherein two sides of the bottom of the top seat are fixedly connected with a stabilizer bar, an elastic ring is sleeved at the top end of the stabilizer bar, the outer side of the elastic ring is fixedly connected with the top seat, two sides of the upper end of the base are fixedly connected with a damping sleeve corresponding to the stabilizer bar, the stabilizer bar extends into the damping sleeve, a damping spring is arranged in the damping sleeve, and the top of the damping spring is fixedly connected with the bottom of the stabilizer bar;
an upper connecting steel plate is fixedly connected to the center of the bottom of the top seat, a supporting seat is arranged at the bottom of the upper connecting steel plate, a lower connecting steel plate is fixedly connected to the center of the upper end of the base, a shock absorption seat is arranged at the upper end of the lower connecting steel plate, a first groove matched with the supporting seat is formed in the upper end of the shock absorption seat, a rubber pad is fixedly connected to the bottom of the supporting seat, the outer side of the rubber pad is abutted to the groove wall of the first groove, a second groove is arranged at the bottom of the first groove in a penetrating mode, an auxiliary buffering mechanism is arranged at the bottom of the second groove, a reinforcing column is fixedly connected to the center of the bottom of the supporting seat, the outer side of the reinforcing column is hinged to one end of a connecting rod, the other end of the connecting rod is connected with the auxiliary buffering mechanism, a third groove matched with the reinforcing column is arranged at the center of the bottom of the second groove, and an energy absorption block is arranged in the third groove, the reinforcing column extends downward and into the third groove.
Preferably, the rubber pad is of a circular truncated cone structure, and the diameter of the upper end face of the rubber pad is larger than that of the lower end face of the rubber pad.
Preferably, the joint of the bottom of the first groove and the top of the second groove forms a slope inclined downwards, and the outer side of the rubber pad abuts against the slope.
Preferably, the auxiliary buffering mechanism comprises a sliding rod, a sliding block, a fixed seat and a buffering spring, two ends of the sliding rod are fixedly connected with the fixed seat, the sliding block is sleeved on the sliding rod in a sliding mode, one end, far away from the reinforcing column, of the sliding rod is sleeved with the buffering spring, one end of the buffering spring is connected with the fixed seat, and the other end of the buffering spring is fixedly connected with the sliding block.
Preferably, the end of the connecting rod far away from the reinforcing column is hinged with the sliding block.
Preferably, a sealing ring is arranged between the outer side of the supporting seat and the first groove.
Preferably, the four corners of the upper end of the top seat are distributed with upper connecting columns, and the outer side of each upper connecting column is fixedly sleeved with a buffer column.
Preferably, the four corners of the bottom of the base are distributed with lower connecting columns, and the outer side of each lower connecting column is fixedly sleeved with a damping column.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the stabilizer bar, the damping sleeve, the damping spring and the elastic ring, when vibration occurs, the pressure generated by vibration is transmitted to the stabilizer bar by the top seat, the stabilizer bar compresses the damping spring in the damping sleeve to absorb impact potential energy, meanwhile, when the top seat horizontally deviates, the elastic ring deforms to slow down horizontal impact, and due to the limiting effect of the damping sleeve on the stabilizer bar, the stabilizer bar and the top seat are ensured not to excessively deviate and dislocate in the horizontal direction;
2. according to the invention, the rubber pad is arranged, the pressure generated by vibration is transmitted to the supporting seat from the top seat, the supporting seat is pressed downwards in the first groove, the rubber pad is driven to abut against the inclined surface, so that the extrusion deformation is generated, the movement of the supporting seat is slowed down, and the bearing capacity of the bridge support is improved;
3. according to the invention, by arranging the auxiliary buffer mechanism and the energy absorption block, the reinforcing column is driven to press downwards in the downward moving process of the top seat, the reinforcing column drives the sliding block to extrude the buffer spring along the sliding rod through the connecting rod so as to offset the pressure on the reinforcing column, the stress point is increased to share the load, and meanwhile, the energy absorption block can further absorb impact potential energy, so that the shock absorption performance of the bridge support is ensured, and the stability of a road bridge is improved.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic view of the connection between the stabilizer bar and the damping sleeve according to the present invention;
FIG. 5 is a schematic view of the connection between the support base and the shock-absorbing base;
fig. 6 is an enlarged schematic view of fig. 5 at B.
Wherein the reference numerals are specified as follows: the damping device comprises a top seat 1, an upper connecting steel plate 2, a supporting seat 3, an upper connecting column 4, a damping column 5, a base 6, a lower connecting steel plate 7, a damping seat 8, a lower connecting column 9, a damping column 10, a stabilizing rod 11, a damping sleeve 12, an elastic ring 13, a damping spring 14, a first groove 15, a rubber pad 16, a second groove 17, a reinforcing column 18, a connecting rod 19, a third groove 20, an energy absorption block 21, a sealing ferrule 22, a sliding rod 23, a sliding block 24, a fixing seat 25 and a damping spring 26.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-4, the invention provides a damping support for a road and bridge, which comprises a top base 1 and a base 6, wherein two sides of the bottom of the top base 1 are fixedly connected with stabilizer bars 11, the top ends of the stabilizer bars 11 are sleeved with elastic rings 13, the outer sides of the elastic rings 13 are fixedly connected with the top base 1, two sides of the upper end of the base 6 are fixedly connected with damping sleeves 12 corresponding to the stabilizer bars 11, the stabilizer bars 11 extend into the damping sleeves 12, damping springs 14 are arranged in the damping sleeves 12, and the tops of the damping springs 14 are fixedly connected with the bottoms of the stabilizer bars 11.
As shown in fig. 5, an upper connecting steel plate 2 is fixedly connected to the center of the bottom of a top seat 1, a supporting seat 3 is arranged at the bottom of the upper connecting steel plate 2, a lower connecting steel plate 7 is fixedly connected to the center of the upper end of a base 6, a shock absorbing seat 8 is arranged at the upper end of the lower connecting steel plate 7, a first groove 15 matched with the supporting seat 3 is arranged at the upper end of the shock absorbing seat 8, a rubber pad 16 is fixedly connected to the bottom of the supporting seat 3, the outer side of the rubber pad 16 is abutted to the groove wall of the first groove 15, a second groove 17 is arranged at the bottom of the first groove 15 in a penetrating manner, an auxiliary buffering mechanism is arranged at the bottom of the second groove 17, a reinforcing column 18 is fixedly connected to the center of the bottom of the supporting seat 3, the outer side of the reinforcing column 18 is hinged to one end of a connecting rod 19, the other end of the connecting rod 19 is connected to the auxiliary buffering mechanism, a third groove 20 matched with the reinforcing column 18 is arranged at the center of the bottom of the second groove 17, an energy absorbing block 21 is arranged in the third groove 20, the reinforcement post 18 extends downwardly and into the third groove 20.
In this embodiment, rubber pad 16 is a circular truncated cone structure, and the diameter of the upper end surface of rubber pad 16 is greater than the diameter of the lower end surface thereof.
Further, the joint of the bottom of the first groove 15 and the top of the second groove 17 forms a downward inclined surface, and the outer side of the rubber pad 16 abuts against the inclined surface. When the pressure transmission that the bridge vibrations produced to supporting seat 3, supporting seat 3 slides along first recess 15, because the lateral surface of rubber pad 16 supports and presses on the inclined plane, the in-process that supporting seat 3 pushed down can extrude rubber pad 16 and take place the deformation to slow down the removal of supporting seat 3.
Further, as shown in fig. 6, the auxiliary buffering mechanism includes a sliding rod 23, a sliding block 24, a fixing seat 25 and a buffering spring 26, two ends of the sliding rod 23 are fixedly connected to the fixing seat 25, the sliding block 24 is slidably sleeved on the sliding rod 23, one end of the sliding rod 23, which is far away from the reinforcing column 18, is sleeved with the buffering spring 26, one end of the buffering spring 26 is connected to the fixing seat 25, and the other end of the buffering spring is fixedly connected to the sliding block 24.
Further, the end of the connecting rod 19 remote from the reinforcing column 18 is hinged to a slider 24. When the supporting seat 3 drives the reinforcing column 18 to move downwards, the reinforcing column 18 transmits thrust to the slider 24 through the connecting rod 19, so that the slider 24 presses the buffer spring 26, and the elastic force generated by the compression of the buffer spring 26 can counteract the pressure of the reinforcing column 18 to slow down the movement of the reinforcing column 18.
In this embodiment, a sealing ring 22 is disposed between the outer side of the supporting seat 3 and the first groove 15, so as to improve the sealing performance between the supporting seat 3 and the first groove 15 and prevent rainwater and dust from infiltrating into the damping seat 8 to affect normal operation.
In this embodiment, four corners of the upper end of the top seat 1 are distributed with upper connecting columns 4, and the outside of each upper connecting column 4 is fixedly sleeved with a buffer column 5.
In this embodiment, the four corners of the bottom of the base 6 are distributed with lower connecting columns 9, and the outer side of each lower connecting column 9 is fixedly sleeved with a shock absorption column 10.
When the stabilizer bar is used, by arranging the stabilizer bar 11, the damping sleeve 12, the damping spring 14 and the elastic ring 13, when vibration occurs, pressure generated by the vibration is transmitted to the stabilizer bar 11 from the top seat 1, the stabilizer bar 11 compresses the damping spring 14 in the damping sleeve 12 to absorb impact potential energy, meanwhile, when the top seat 1 horizontally deviates, the elastic ring 13 deforms to slow down horizontal impact, and due to the limiting effect of the damping sleeve 12 on the stabilizer bar 11, the stabilizer bar 11 and the top seat 1 are ensured not to excessively deviate and dislocate in the horizontal direction; when the pressure generated by vibration is transmitted to the supporting seat 3 from the top seat 1, the supporting seat 3 is pressed down in the first groove 15, the rubber pad 16 is driven to abut against the inclined plane, so that extrusion deformation is generated, the movement of the supporting seat 3 is slowed down, and the bearing capacity of the bridge bearing is improved; the process that the footstock 1 moves downwards drives the reinforcing column 18 to press downwards, the reinforcing column 18 drives the sliding block 24 to extrude the buffer spring 26 along the sliding rod 23 through the connecting rod 19 so as to offset the pressure applied to the reinforcing column 18, the stress point is increased to share the load, and meanwhile, the energy absorption block 21 can further absorb impact potential energy, so that the shock absorption performance of the bridge support is ensured, and the stability of a road bridge is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A damping support for a road and bridge is characterized by comprising a top seat and a base, wherein stabilizing rods are fixedly connected to two sides of the bottom of the top seat, an elastic ring is sleeved at the top end of each stabilizing rod, the outer side of the elastic ring is fixedly connected with the top seat, two sides of the upper end of the base are fixedly connected with damping sleeves corresponding to the stabilizing rods, the stabilizing rods extend into the damping sleeves, damping springs are arranged in the damping sleeves, and the tops of the damping springs are fixedly connected with the bottoms of the stabilizing rods;
an upper connecting steel plate is fixedly connected to the center of the bottom of the top seat, a supporting seat is arranged at the bottom of the upper connecting steel plate, a lower connecting steel plate is fixedly connected to the center of the upper end of the base, a shock absorption seat is arranged at the upper end of the lower connecting steel plate, a first groove matched with the supporting seat is formed in the upper end of the shock absorption seat, a rubber pad is fixedly connected to the bottom of the supporting seat, the outer side of the rubber pad is abutted to the groove wall of the first groove, a second groove is arranged at the bottom of the first groove in a penetrating mode, an auxiliary buffering mechanism is arranged at the bottom of the second groove, a reinforcing column is fixedly connected to the center of the bottom of the supporting seat, the outer side of the reinforcing column is hinged to one end of a connecting rod, the other end of the connecting rod is connected with the auxiliary buffering mechanism, a third groove matched with the reinforcing column is arranged at the center of the bottom of the second groove, and an energy absorption block is arranged in the third groove, the reinforcing column extends downward and into the third groove.
2. The shock-absorbing support for the road and bridge according to claim 1, wherein: the rubber pad is of a circular truncated cone structure, and the diameter of the upper end face of the rubber pad is larger than that of the lower end face of the rubber pad.
3. The shock-absorbing support for the road and bridge according to claim 2, wherein: the joint of the bottom of the first groove and the top of the second groove forms a downward inclined plane, and the outer side of the rubber pad is abutted against the inclined plane.
4. The shock-absorbing support for roads and bridges of claim 3, wherein: the auxiliary buffer mechanism comprises a sliding rod, a sliding block, a fixed seat and a buffer spring, wherein two ends of the sliding rod are fixedly connected with the fixed seat, the sliding block is sleeved on the sliding rod in a sliding mode, one end, far away from the reinforcing column, of the sliding rod is sleeved with the buffer spring, one end of the buffer spring is connected with the fixed seat, and the other end of the buffer spring is fixedly connected with the sliding block.
5. The shock-absorbing support for the road and bridge according to claim 4, wherein: and one end of the connecting rod, which is far away from the reinforcing column, is hinged with the sliding block.
6. The shock-absorbing support for the road and bridge according to claim 1, wherein: and a sealing ferrule is arranged between the outer side of the supporting seat and the first groove.
7. The shock-absorbing support for the road and bridge according to claim 1, wherein: four corners of the upper end of the top seat are distributed with upper connecting columns, and the outer side of each upper connecting column is fixedly sleeved with a buffer column.
8. The shock-absorbing support for the road and bridge according to claim 1, wherein: the four corners of the bottom of the base are distributed with lower connecting columns, and the outer side of each lower connecting column is fixedly sleeved with a damping column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725729.0A CN113969541A (en) | 2020-07-24 | 2020-07-24 | Damping support for road and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725729.0A CN113969541A (en) | 2020-07-24 | 2020-07-24 | Damping support for road and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113969541A true CN113969541A (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010725729.0A Pending CN113969541A (en) | 2020-07-24 | 2020-07-24 | Damping support for road and bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN113969541A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090109880A (en) * | 2008-04-16 | 2009-10-21 | 강용우 | Bridge bearing |
| CN207405473U (en) * | 2017-11-14 | 2018-05-25 | 重庆交通大学 | A kind of road and bridge shock mount |
| CN208320964U (en) * | 2018-01-19 | 2019-01-04 | 南京彼奥电子科技有限公司 | A kind of vertical ball mill with damping noise reduction mechanism |
| CN109914225A (en) * | 2018-12-19 | 2019-06-21 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bridge earthquake resistance device |
| CN209428935U (en) * | 2019-01-11 | 2019-09-24 | 张春燕 | A kind of bridge girder anti-seismic bearing |
| CN209584824U (en) * | 2018-11-16 | 2019-11-05 | 安徽省淮阜路桥工程建设有限公司 | A kind of shock-absorbing bridge support between bridge pier and bridge |
| CN210797253U (en) * | 2019-09-23 | 2020-06-19 | 贵州路桥集团工程试验检测有限公司 | Public road bridge roof beam shock-absorbing support based on bridge security performance |
-
2020
- 2020-07-24 CN CN202010725729.0A patent/CN113969541A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090109880A (en) * | 2008-04-16 | 2009-10-21 | 강용우 | Bridge bearing |
| CN207405473U (en) * | 2017-11-14 | 2018-05-25 | 重庆交通大学 | A kind of road and bridge shock mount |
| CN208320964U (en) * | 2018-01-19 | 2019-01-04 | 南京彼奥电子科技有限公司 | A kind of vertical ball mill with damping noise reduction mechanism |
| CN209584824U (en) * | 2018-11-16 | 2019-11-05 | 安徽省淮阜路桥工程建设有限公司 | A kind of shock-absorbing bridge support between bridge pier and bridge |
| CN109914225A (en) * | 2018-12-19 | 2019-06-21 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bridge earthquake resistance device |
| CN209428935U (en) * | 2019-01-11 | 2019-09-24 | 张春燕 | A kind of bridge girder anti-seismic bearing |
| CN210797253U (en) * | 2019-09-23 | 2020-06-19 | 贵州路桥集团工程试验检测有限公司 | Public road bridge roof beam shock-absorbing support based on bridge security performance |
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