CN107780338B - Shock insulation device for track bridge - Google Patents
Shock insulation device for track bridge Download PDFInfo
- Publication number
- CN107780338B CN107780338B CN201711202516.4A CN201711202516A CN107780338B CN 107780338 B CN107780338 B CN 107780338B CN 201711202516 A CN201711202516 A CN 201711202516A CN 107780338 B CN107780338 B CN 107780338B
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- CN
- China
- Prior art keywords
- shock absorption
- damping
- frame
- fixed
- seat
- Prior art date
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- 230000035939 shock Effects 0.000 title claims abstract description 89
- 238000009413 insulation Methods 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 24
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 70
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- E01D19/041—Elastomeric bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a shock insulation device for a track bridge, which comprises a base, a shock absorption supporting seat and a shock absorption structure, wherein the shock absorption structure comprises a shock absorption seat and a shock absorption frame arranged on the shock absorption seat, a shock absorption cavity with an opening on the top surface is arranged in the shock absorption seat, at least two pressing cavities are uniformly arranged on the inner wall of the shock absorption cavity, a through hole is vertically arranged on the shock absorption seat, a vertical slotted hole is arranged on the shock absorption frame, a turntable is arranged in the pressing cavities, a shock absorption pressing rod and a shock absorption pressing rod are fixed on the edge of the turntable, a pull rope ring is fixed on the base, a driving wheel is arranged on the shock absorption seat, a pull rope is arranged between the pressing cavities and the pull rope ring, and a shock absorption elastic sheet with a W-shaped section is fixed between the bottom surface of the shock absorption seat and the base. The invention has reasonable structural arrangement, can ensure the stability and reliability of the whole use, has better shock insulation performance, and simultaneously effectively ensures the transverse horizontal rigidity of the whole, and has strong applicability and good practicability.
Description
Technical Field
The invention belongs to the technical field of bridge shock absorption, and particularly relates to a shock insulation device for a track bridge.
Background
Along with the maturity of bridge, road technology in China, various bridges, building structure development is rapid, in order to guarantee the life of bridge and use reliability, generally all have corresponding shock-absorbing structure, the common natural rubber support and lead core rubber support in the market, it is mainly installed between the upper portion of bridge and pier and abutment, can reduce seismic load to a certain extent, alleviate seismic load to bridge structure's harm, but its shock attenuation effect is comparatively limited, it brings the traffic facility for the city while can bring certain vibration and noise influence, thereby suitability and practicality are restricted.
Disclosure of Invention
The invention aims to provide a shock insulation device for a track bridge, which is reasonable in structural arrangement and stable and reliable in use.
The technical scheme for achieving the purpose is that the shock insulation device for the track bridge comprises a base, a shock absorption supporting seat and a shock absorption structure, wherein the shock absorption structure is arranged between the base and the shock absorption supporting seat, the shock absorption structure comprises a shock absorption seat and a shock absorption frame arranged on the shock absorption seat, the shock absorption supporting seat is fixed at the top of the shock absorption frame, a shock absorption cavity with an open top surface is arranged in the shock absorption seat, at least two pressing cavities are uniformly arranged on the inner wall of the shock absorption cavity, through holes communicated with the pressing cavities are vertically arranged on the shock absorption seat, vertical slotted holes are formed in the shock absorption frame, a turntable is arranged in the pressing cavities, a shock absorption supporting rod and a shock absorption supporting rod are fixed on the disc edge of the turntable, a pull rope ring is fixed on the base, a driving wheel is arranged on the shock absorption seat, a pull rope is arranged between the pressing cavity and the pull rope ring, one end of the shock absorption supporting rod is fixed with the pull rope ring, meanwhile, the middle part of the shock absorption cavity penetrates through the through holes, the driving wheel and the vertical slotted holes, the bottom surface of the shock absorption seat is fixed with the bottom wall of the shock absorption frame, the bottom wall is provided with a W-shaped clamping groove hole, and the shock absorption cavity is fixed with the bottom wall, and the shock absorption cavity is fixed between the shock absorption frame and the shock absorption cavity.
The shock absorber comprises a bottom frame and a top frame, wherein the vertical slotted hole is arranged on the bottom frame, a guide post is integrally formed at the top of the bottom frame, a guide hole with an opening at the bottom surface is formed in the top frame, the guide post is arranged in the guide hole, and a buffer tension spring is fixed between the guide post and the top wall of the guide hole.
Arc-shaped retaining plates are uniformly fixed between the bottom frame and the top frame, sliding grooves are formed in the top surface of the bottom frame, two ends of each arc-shaped retaining plate are fixed in the sliding grooves through sliding blocks, and arc-shaped vertexes of each arc-shaped retaining plate are arranged on the bottom surface of the top frame through screws.
The bottom frame is also provided with a jacking hole, a jacking column is arranged in the jacking hole and is positioned under the screw rod, a jacking supporting spring is arranged between the jacking column and the bottom wall of the jacking hole, and the jacking column is jacked on the screw rod under the action of the jacking supporting spring.
And a telescopic spring is fixed on the bottom wall of the rotary table and the pressing cavity.
Arc plastic guard plates are arranged on the top wall and the bottom wall of the vertical slotted hole.
The invention has the positive effects that: the invention has reasonable structural arrangement, can ensure the stability and reliability of the whole use, has better shock insulation performance, and simultaneously effectively ensures the transverse horizontal rigidity of the whole, and has strong applicability and good practicability.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Example 1
Fig. 1 shows an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention.
Referring to fig. 1, a shock insulation device for a track bridge comprises a base 1, a shock absorption supporting seat 2 and a shock absorption structure 3, wherein the shock absorption structure 3 is positioned between the base 1 and the shock absorption supporting seat 2, when in use, the base is fixed with a pier, the shock absorption supporting seat is connected to the bottom of the bridge, the shock absorption structure 3 comprises a shock absorption seat 31 and a shock absorption frame 32 arranged on the shock absorption seat 31, the shock absorption supporting seat 3 is fixed on the top of the shock absorption frame 32, a shock absorption cavity 33 with an open top surface is arranged in the shock absorption seat 31, at least two pressing cavities 4 are uniformly arranged on the inner wall of the shock absorption cavity 33, through holes 5 communicated with the pressing cavities 4 are vertically arranged on the shock absorption seat 31, vertical slots 6 are arranged on the shock absorption frame 32, a turntable 7 is arranged in the pressing cavities 4, a shock absorption pressing rod 8 and a buffering pressing rod 9 are fixed on the edge of the turntable 7, a pull rope ring 10 is fixed on the base 1, a driving wheel 11 is arranged on the shock absorption seat 31, a pull rope 12 is arranged between the pressing cavity 4 and the pull rope ring 10, in the embodiment, the pull rope adopts a steel rope, the whole reliability and stability of installation can be ensured, one end of the pull rope 12 is fixed on the buffer pressing rod 9, the other end of the pull rope 12 is fixed on the pull rope ring 10, the middle part of the pull rope 12 passes through the through hole 5, the driving wheel 11 and the vertical slot 6, a shock absorption elastic sheet 13 with a W-shaped cross section is fixed between the bottom surface of the shock absorption seat 31 and the base 1, the bottom of the shock absorption frame 32 is inserted into the shock absorption cavity 4 of the shock absorption seat 31, a shock absorption spring 14 is fixed between the shock absorption frame and the bottom wall of the shock absorption cavity, a clamping cavity 15 is fixed on the side wall of the shock absorption frame, the damping supporting rod 8 stretches into the clamping cavity 15, and damping compression springs 16 are fixed between the damping supporting rod and the top wall and the bottom wall of the clamping cavity.
The shock absorber 32 comprises a bottom frame 321 and a top frame 322, the vertical slotted hole 6 is positioned on the bottom frame 321, a guide post 323 is integrally formed at the top of the bottom frame 321, a guide hole 324 with an opening at the bottom surface is arranged in the top frame 322, and a buffer tension spring 325 is arranged in the guide hole and fixed between the guide post and the top wall of the guide hole.
An arc-shaped retaining plate 17 is uniformly fixed between the bottom frame 321 and the top frame 322, a sliding groove 18 is formed in the top surface of the bottom frame, two ends of the arc-shaped retaining plate are fixed in the sliding groove through a sliding block 19, and the arc-shaped top point of the arc-shaped retaining plate is arranged on the bottom surface of the top frame through a screw rod 20.
The underframe 321 is also provided with a jacking hole 21, a jacking column 22 is arranged in the jacking hole and is positioned right below the screw rod, a jacking supporting spring 25 is arranged between the jacking column and the bottom wall of the jacking hole, and the jacking column is jacked on the screw rod under the action of the jacking supporting spring. Can prevent the screw from loosening or falling off when in use.
And a telescopic spring 23 is fixed on the bottom walls of the rotary table and the pressing cavity.
Arc-shaped plastic protection plates 24 are arranged on the top wall and the bottom wall of the vertical slotted hole. The service life of the inhaul cable can be prevented from being influenced by abrasion.
The invention has reasonable structural arrangement, can ensure the stability and reliability of the whole use, has better shock insulation performance, and simultaneously effectively ensures the transverse horizontal rigidity of the whole, and has strong applicability and good practicability.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the invention remain within the scope of the invention.
Claims (6)
1. The utility model provides a shock insulation device for track bridge, includes base, shock-absorbing support seat and shock-absorbing structure, shock-absorbing structure is in between base and the shock-absorbing support seat, its characterized in that: the damping structure comprises a damping seat and a damping frame arranged on the damping seat, wherein the damping support seat is fixed at the top of the damping frame, a damping cavity with an opening at the top surface is arranged in the damping seat, at least two pressing cavities are uniformly arranged on the inner wall of the damping cavity, through holes with the cross section W-shaped are vertically arranged on the damping seat and communicated with the pressing cavities, vertical slots are formed in the damping frame, a turntable is arranged in the pressing cavities, a damping pressing rod and a buffering pressing rod are fixed on the disc edge of the turntable, a pull rope ring is fixed on the base, a driving wheel is arranged on the damping seat, a pull rope is arranged between the pressing cavity and the pull rope ring, one end of the pull rope is fixed on the buffering pressing rod, the other end of the pull rope penetrates through the through holes, the driving wheel and the vertical slots, damping spring pieces with the cross sections W-shaped are fixed between the bottom surface of the damping seat and the base, the bottom of the damping frame is inserted into the damping cavity, a clamping spring is fixed between the damping frame and the bottom wall of the damping cavity, and the clamping spring is fixed between the clamping frame and the damping cavity and the damping rod.
2. The shock insulation device for a track bridge according to claim 1, wherein: the shock absorber comprises a bottom frame and a top frame, wherein the vertical slotted hole is arranged on the bottom frame, a guide post is integrally formed at the top of the bottom frame, a guide hole with an opening at the bottom surface is formed in the top frame, the guide post is arranged in the guide hole, and a buffer tension spring is fixed between the guide post and the top wall of the guide hole.
3. The shock insulation device for a track bridge according to claim 2, wherein: arc-shaped retaining plates are uniformly fixed between the bottom frame and the top frame, sliding grooves are formed in the top surface of the bottom frame, two ends of each arc-shaped retaining plate are fixed in the sliding grooves through sliding blocks, and arc-shaped vertexes of each arc-shaped retaining plate are arranged on the bottom surface of the top frame through screws.
4. A seismic isolation apparatus for a rail bridge according to claim 3, wherein: the bottom frame is also provided with a jacking hole, a jacking column is arranged in the jacking hole and is positioned under the screw rod, a jacking supporting spring is arranged between the jacking column and the bottom wall of the jacking hole, and the jacking column is jacked on the screw rod under the action of the jacking supporting spring.
5. The shock insulation device for a rail bridge according to claim 4, wherein: and a telescopic spring is fixed on the bottom wall of the rotary table and the pressing cavity.
6. The shock insulation device for a rail bridge according to claim 5, wherein: arc plastic guard plates are arranged on the top wall and the bottom wall of the vertical slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202516.4A CN107780338B (en) | 2017-11-16 | 2017-11-16 | Shock insulation device for track bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202516.4A CN107780338B (en) | 2017-11-16 | 2017-11-16 | Shock insulation device for track bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780338A CN107780338A (en) | 2018-03-09 |
| CN107780338B true CN107780338B (en) | 2024-05-24 |
Family
ID=61430823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711202516.4A Active CN107780338B (en) | 2017-11-16 | 2017-11-16 | Shock insulation device for track bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780338B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982031A (en) * | 2018-08-13 | 2018-12-11 | 江西理工大学 | A kind of concrete structure member rigidity detection device |
| CN108802350B (en) * | 2018-09-04 | 2023-05-30 | 山东交通学院 | H-shaped guide rail for linear circulating type acceleration loading test equipment |
| CN110541437B (en) * | 2019-08-23 | 2021-08-27 | 中国水利水电第十二工程局有限公司 | Device for engineering pile detection static load test |
| CN111074751A (en) * | 2020-01-06 | 2020-04-28 | 苏州琦少工程科技有限公司 | Bridge connecting plate with shock-absorbing function |
| CN112064507B (en) * | 2020-08-07 | 2022-04-08 | 中铁大桥局集团有限公司 | Vertical impact buffering device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202923333U (en) * | 2012-11-15 | 2013-05-08 | 桑子荣 | Inhaul cable type wheel linkage balance hanger |
| CN103867625A (en) * | 2013-11-26 | 2014-06-18 | 徐州工程学院 | Rope type self-reset shape memory alloy seismic isolation and seismic reduction support |
| CN203700948U (en) * | 2014-02-24 | 2014-07-09 | 上海市城市建设设计研究总院 | Section high pier bridge seismic isolation and reduction structure with double-layer pull cable supports |
| JP2015078498A (en) * | 2013-10-15 | 2015-04-23 | 鹿島建設株式会社 | Bridge vibration control structure |
| CN106522378A (en) * | 2017-01-05 | 2017-03-22 | 杨宝生 | Shape memory alloy rigidity-variable damping-variable limiting protecting shock-insulating support base |
| CN107023206A (en) * | 2017-04-11 | 2017-08-08 | 周庆川 | Antishock device for building |
| CN207419246U (en) * | 2017-11-16 | 2018-05-29 | 温州卡耐夫电器有限公司 | Track bridge earthquake isolating equipment |
-
2017
- 2017-11-16 CN CN201711202516.4A patent/CN107780338B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202923333U (en) * | 2012-11-15 | 2013-05-08 | 桑子荣 | Inhaul cable type wheel linkage balance hanger |
| JP2015078498A (en) * | 2013-10-15 | 2015-04-23 | 鹿島建設株式会社 | Bridge vibration control structure |
| CN103867625A (en) * | 2013-11-26 | 2014-06-18 | 徐州工程学院 | Rope type self-reset shape memory alloy seismic isolation and seismic reduction support |
| CN203700948U (en) * | 2014-02-24 | 2014-07-09 | 上海市城市建设设计研究总院 | Section high pier bridge seismic isolation and reduction structure with double-layer pull cable supports |
| CN106522378A (en) * | 2017-01-05 | 2017-03-22 | 杨宝生 | Shape memory alloy rigidity-variable damping-variable limiting protecting shock-insulating support base |
| CN107023206A (en) * | 2017-04-11 | 2017-08-08 | 周庆川 | Antishock device for building |
| CN207419246U (en) * | 2017-11-16 | 2018-05-29 | 温州卡耐夫电器有限公司 | Track bridge earthquake isolating equipment |
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| Publication number | Publication date |
|---|---|
| CN107780338A (en) | 2018-03-09 |
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