CN204530453U - For the shock insulation damping device of bridge construction - Google Patents
For the shock insulation damping device of bridge construction Download PDFInfo
- Publication number
- CN204530453U CN204530453U CN201520187415.4U CN201520187415U CN204530453U CN 204530453 U CN204530453 U CN 204530453U CN 201520187415 U CN201520187415 U CN 201520187415U CN 204530453 U CN204530453 U CN 204530453U
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- supporting plate
- reference column
- sliding block
- memory alloy
- alloy wire
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Abstract
For the shock insulation damping device of bridge construction, belong to bridge security technical field of construction, comprise horizontally disposed upper and lower gripper shoe, be provided with Compress Spring between upper and lower gripper shoe, Compress Spring is by being arranged on the reference column location of upper and lower gripper shoe, on, lower supporting plate is also respectively equipped with mutually corresponding slideway, sliding way slidably connects at least two top shoes by upper friction pair, connected by upper shape-memory alloy wire between adjacent two top shoes, glide path slidably connects sliding block by lower friction pair, more than top shoe one of the number of sliding block, connected by lower shape-memory alloy wire between adjacent two sliding blocks, directly over the lower shape-memory alloy wire mid point of any one top shoe all between two sliding blocks, any one top shoe is connected by a connecting rod with the sliding block of down either side respectively, small end and lower end respectively with top shoe and sliding block hinged, lower supporting plate upper surface is provided with the locating part being positioned at lower railway two ends.
Description
Technical field
The utility model belongs to bridge security technical field of construction, is specifically related to a kind of shock insulation damping device for bridge construction.
Background technology
Bridge construction antidetonation is one of emphasis problem must studied in field of engineering technology.The profound disaster that strong earthquake brings is obvious to all, and a large amount of building structure is destroyed overnight under severe earthquake action, thus causes huge economy and social loss.Therefore, in civil structure design, science must be carried out and strict seismic design to structure.Structure quake control technology provides effective method for designing and approach for seismic design.Structure quake control is by absorbing, vibration isolation or initiatively inputs by outside the level of vibration that energy carrys out Control Engineering agent structure, in order to avoid strong vibrations cause destruction or the damage of engineering structures.In Practical Project, be the dynamics carrying out change structure by installing certain element or device in the structure, thus reach the object that structure quake controls.
Tradition vibration isolation technique is very ripe as main structure quake control device, but the isolation mounting at present engineering applied still Problems existing have: Self-resetting poor performance, such as frcition damper and soft firm damper etc. after shake; More difficult maintenance, such as viscous damper etc.; Durability and corrosion resistance poor, the rubber pad of such as rubber shock absorber is easily aging.Therefore, need badly and design a kind of novel compound vibration isolation damping device and solve the problems referred to above.
Utility model content
The utility model in order to solve weak point of the prior art, provide a kind of self-resetting capability strong, be easy to safeguard, consume energy high, that fatigue resistance is strong and corrosion resistance the is good shock insulation damping device for bridge construction.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: for the shock insulation damping device of bridge construction, it is characterized in that: comprise horizontally disposed upper backup pad and lower supporting plate, upper backup pad soffit is evenly provided with upper reference column in one week along upper backup pad edge, lower supporting plate upper surface is evenly provided with lower reference column in one week along lower supporting plate edge, upper reference column and one_to_one corresponding equal with the number of lower reference column, a Compress Spring is equipped with between each upper reference column and lower reference column, the upper end of Compress Spring to be set on reference column and with the press-fit of upper backup pad top, the lower end of Compress Spring to be set on lower reference column and with the press-fit of lower supporting plate top,
Sliding way is provided with in the middle part of upper backup pad soffit, lower supporting plate upper surface middle part is provided with the glide path parallel with sliding way, sliding way slidably connects at least two top shoes by upper friction pair, connected by upper shape-memory alloy wire between adjacent two top shoes, glide path slidably connects sliding block by lower friction pair, more than top shoe one of the number of sliding block, connected by lower shape-memory alloy wire between adjacent two sliding blocks, directly over the lower shape-memory alloy wire mid point of any one top shoe all between two sliding blocks, any one top shoe is connected by a connecting rod with the sliding block of down either side respectively, small end and lower end respectively with top shoe and sliding block hinged, lower supporting plate upper surface is provided with the locating part being positioned at lower railway two ends.
Described locating part comprises the block/ring be fixedly located on lower supporting plate, is provided with the block rubber/circle with the press-fit of sliding block top inside block/ring.
Described lower shape-memory alloy wire two ends are connected with sliding block respectively by lower clamp, and upper shape-memory alloy wire two ends are connected with top shoe respectively by upper fixture.
Adopt technique scheme, lower supporting plate of the present utility model is arranged on bridge pier, upper backup pad upper surface and the press-fit of bridge floor back, and bridge floor beam soffit is provided with and is provided with sandwich plate between upper backup pad, and backing plate is for finely tuning the effect of bridge floor beam level.
When the utility model pressurized or when there is vertical collision, vertical relative displacement will occur, and now structure is consumed energy by friction pair, and Compress Spring shrinks, and upper reference column and lower reference column play the effect that location Compress Spring does not offset.Meanwhile shape-memory alloy wire dilatation, because it has pseudoelasticity, when unloading, marmem can make its structure automatically reset, and also can dissipate portion of energy, to alleviate the vibrations of structure simultaneously.
When being out of shape excessive, locating part can the maximum distortion of control structure, and the elasticity of block rubber/circle can reduce vibrations simultaneously.
Upper backup pad and lower supporting plate are processed with sliding way and glide path respectively, and top shoe and sliding block can transverse shiftings in sliding way and glide path respectively.
Quantity and the layout thereof of top shoe and sliding block are determined according to the installing space of damping requirements and engineering structures.
The quantity of slide block and connecting rod is adjustable, and slide block can be all free in the position of slideway, also can partial fixing.
The layout whether upper backup pad and lower supporting plate arrange installing hole and installing hole hole is determined according to the actual conditions of structure.
In slideway bottom surface and slider bottom bonding polytetrafluoroethylene (PTFE) formed sliding friction pair.
Shape-memory alloy wire is through after slide block, and end fixture is fixedly clamped.Shape-memory alloy wire is single or several.Shape-memory alloy wire is NITI alloy.
The utility model has fully utilized self-resetting capability and the friction element highly energy-consuming feature of Compress Spring and marmem, can realize the object of engineering structures at vertical shake control and self-resetting.And the maximum distortion of elastic limit device control structure is set, also can reduces vibrations simultaneously.This damper structure is simple, is easy to processing, flexibly easy for installation, and applicability is strong, and durability and corrosion resistance are by force, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the position view of the utility model when bridge construction.
Detailed description of the invention
As depicted in figs. 1 and 2, shock insulation damping device for bridge construction of the present utility model, comprise horizontally disposed upper backup pad 1 and lower supporting plate 2, upper backup pad 1 soffit is evenly provided with upper reference column 16 for one week along upper backup pad 1 edge, lower supporting plate 2 upper surface is evenly provided with lower reference column 17 for one week along lower supporting plate 2 edge, upper reference column 16 and one_to_one corresponding equal with the number of lower reference column 17, a Compress Spring 18 is equipped with between each upper reference column 16 and lower reference column 17, the upper end of Compress Spring 18 to be set on reference column 16 and to push up press-fit with upper backup pad 1, the lower end of Compress Spring 18 to be set on lower reference column 17 and to push up press-fit with lower supporting plate 2.
Upper backup pad 1 soffit is provided with sliding way 3, lower supporting plate 2 upper surface is provided with the glide path 4 parallel with sliding way 3, sliding way 3 slidably connects at least two top shoes 5 by upper friction pair 7, connected by upper shape-memory alloy wire 6 between adjacent two top shoes 5, glide path 4 slidably connects sliding block 9 by lower friction pair 8, the number of sliding block 9 is than top shoe more than 5 one, connected by lower shape-memory alloy wire 10 between adjacent two sliding blocks 9, directly over lower shape-memory alloy wire 10 mid point of any one top shoe 5 all between two sliding blocks 9, any one top shoe 5 is connected by a connecting rod 11 with the sliding block 9 of down either side respectively, connecting rod 11 top and bottom respectively with top shoe 5 and sliding block hinged, lower supporting plate 2 upper surface is provided with the locating part being positioned at lower railway two ends.
Locating part comprises the block/ring 12 be fixedly located on lower supporting plate 2, is provided with the block rubber/circle 13 pushing up press-fit with sliding block 9 inside block/ring 12.
Lower shape-memory alloy wire 10 two ends are connected with sliding block 9 respectively by lower clamp 14, and upper shape-memory alloy wire 6 two ends are connected with top shoe 5 respectively by upper fixture 15.
Lower supporting plate 2 of the present utility model is arranged on bridge pier 19, and upper backup pad 1 upper surface and bridge floor beam 20 push up press-fit, and bridge floor beam 20 soffit is provided with and is provided with sandwich plate 21 between upper backup pad 1, and backing plate 21 is for finely tuning the effect of bridge floor beam 20 level.
When the utility model pressurized or when there is vertical collision, vertical relative displacement will occur, and now structure is consumed energy by friction pair, and Compress Spring 18 shrinks, and upper reference column 16 and lower reference column 17 play the effect that location Compress Spring 18 does not offset.Meanwhile shape-memory alloy wire dilatation, because it has pseudoelasticity, when unloading, marmem can make its structure automatically reset, and also can dissipate portion of energy, to alleviate the vibrations of structure simultaneously.
Claims (3)
1. for the shock insulation damping device of bridge construction, it is characterized in that: comprise horizontally disposed upper backup pad and lower supporting plate, upper backup pad soffit is evenly provided with upper reference column in one week along upper backup pad edge, lower supporting plate upper surface is evenly provided with lower reference column in one week along lower supporting plate edge, upper reference column and one_to_one corresponding equal with the number of lower reference column, a Compress Spring is equipped with between each upper reference column and lower reference column, the upper end of Compress Spring to be set on reference column and with the press-fit of upper backup pad top, the lower end of Compress Spring to be set on lower reference column and with the press-fit of lower supporting plate top,
Sliding way is provided with in the middle part of upper backup pad soffit, lower supporting plate upper surface middle part is provided with the glide path parallel with sliding way, sliding way slidably connects at least two top shoes by upper friction pair, connected by upper shape-memory alloy wire between adjacent two top shoes, glide path slidably connects sliding block by lower friction pair, more than top shoe one of the number of sliding block, connected by lower shape-memory alloy wire between adjacent two sliding blocks, directly over the lower shape-memory alloy wire mid point of any one top shoe all between two sliding blocks, any one top shoe is connected by a connecting rod with the sliding block of down either side respectively, small end and lower end respectively with top shoe and sliding block hinged, lower supporting plate upper surface is provided with the locating part being positioned at lower railway two ends.
2. the shock insulation damping device for bridge construction according to claim 1, is characterized in that: described locating part comprises the block/ring be fixedly located on lower supporting plate, is provided with the block rubber/circle with the press-fit of sliding block top inside block/ring.
3. the shock insulation damping device for bridge construction according to claim 1 and 2, it is characterized in that: described lower shape-memory alloy wire two ends are connected with sliding block respectively by lower clamp, and upper shape-memory alloy wire two ends are connected with top shoe respectively by upper fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187415.4U CN204530453U (en) | 2015-03-31 | 2015-03-31 | For the shock insulation damping device of bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187415.4U CN204530453U (en) | 2015-03-31 | 2015-03-31 | For the shock insulation damping device of bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204530453U true CN204530453U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520187415.4U Expired - Fee Related CN204530453U (en) | 2015-03-31 | 2015-03-31 | For the shock insulation damping device of bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204530453U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401772A (en) * | 2015-12-17 | 2016-03-16 | 黄淮学院 | Damping and anti-vibration section steel structured house |
| CN107246074A (en) * | 2017-04-20 | 2017-10-13 | 中南大学 | Parallel-moving type spring friction isolation bearing |
| CN108356591A (en) * | 2018-01-04 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of lathe skilled worker equipment damping device |
| CN108692636A (en) * | 2018-04-24 | 2018-10-23 | 庄银灿 | A kind of plank rapid size detection device for building monitoring |
| CN109853722A (en) * | 2019-03-20 | 2019-06-07 | 华北水利水电大学 | A kind of damping Anti-seismic steel building |
| CN110983956A (en) * | 2019-12-31 | 2020-04-10 | 河南中交路通工程监理咨询有限公司 | Shock-absorbing support for bridge |
-
2015
- 2015-03-31 CN CN201520187415.4U patent/CN204530453U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401772A (en) * | 2015-12-17 | 2016-03-16 | 黄淮学院 | Damping and anti-vibration section steel structured house |
| CN105401772B (en) * | 2015-12-17 | 2017-08-25 | 黄淮学院 | Damping Anti-seismic steel house |
| CN107246074A (en) * | 2017-04-20 | 2017-10-13 | 中南大学 | Parallel-moving type spring friction isolation bearing |
| CN108356591A (en) * | 2018-01-04 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of lathe skilled worker equipment damping device |
| CN108692636A (en) * | 2018-04-24 | 2018-10-23 | 庄银灿 | A kind of plank rapid size detection device for building monitoring |
| CN109853722A (en) * | 2019-03-20 | 2019-06-07 | 华北水利水电大学 | A kind of damping Anti-seismic steel building |
| CN110983956A (en) * | 2019-12-31 | 2020-04-10 | 河南中交路通工程监理咨询有限公司 | Shock-absorbing support for bridge |
| CN110983956B (en) * | 2019-12-31 | 2021-06-22 | 河南中交路通工程监理咨询有限公司 | Shock-absorbing support for bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |