CN204644865U - A kind of damping shock resistant damping bearing - Google Patents
A kind of damping shock resistant damping bearing Download PDFInfo
- Publication number
- CN204644865U CN204644865U CN201520354324.5U CN201520354324U CN204644865U CN 204644865 U CN204644865 U CN 204644865U CN 201520354324 U CN201520354324 U CN 201520354324U CN 204644865 U CN204644865 U CN 204644865U
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- intermediate plate
- damping
- seat board
- lower seat
- bearing
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to bearing technical field, discloses a kind of damping shock resistant damping bearing.Its technical characteristics is: comprise upper base plate, ball core, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and ball core, sphere friction pair is provided with between ball core and intermediate plate, the bottom of described intermediate plate has upper groove, the top of lower seat board has the low groove matched with upper groove, lead core rubber support is embedded in upper groove and low groove, and intermediate plate is connected by shear-pin with lower seat board, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.A kind of damping shock resistant damping bearing provided by the utility model, have can universal load-supporting, universal rotational, damper antidetonation, structure advantage of homing after external force disappears can be made, be applicable to Longspan Bridge and space truss structure, the building being particularly useful for highly seismic region uses.
Description
Technical field
the utility model belongs to bearing technical field, particularly relates to the damping shock resistant damping bearing that a kind of large span grid structure and bridge use.
Background technology
at present, domestic use in construction work have shock mount, lead core rubber support and vibration absorption and isolation support etc. for the bearing supported on large span grid structure and bridge.Shock mount is made up of upper base plate, lower seat board, polyfluortetraethylene plate, intermediate plate, flexible member etc.There is the effect of bearing pressure He realizing displacement and damping.But there is no isolation function, restricted by elastic elements and damping energy dissipation is only applicable to small and medium intensity area of alkaline.Although lead core rubber support can play the effect subtracting shock insulation, by the restriction of its structure, the needs of Large travel range and the requirement of large horizontal force can not be met.Having is exactly that its outer layer rubber long term exposure of lead core rubber support is easy to aging outside again, reduces its application life.Although vibration absorption and isolation support have employed hyperbolic spherical structure, during earthquake, can isolation energy dissipation be subtracted, bearing normal displacement and earthquake displacement regardless of, because bi-curved swing can cause girder construction to produce vertical displacement during earthquake, be unfavorable for the work of beam body.Cause face of balancing oversize after normal displacement superposes with earthquake displacement, cause waste of material.
Utility model content
the technical problems to be solved in the utility model be just to provide one not only can antidetonation, but also can damping, also can shock insulation realize normal displacement, the damping shock resistant damping bearing that external force also can set back after disappearing.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise upper base plate, ball core, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and ball core, sphere friction pair is provided with between ball core and intermediate plate, the bottom of described intermediate plate has upper groove, the top of lower seat board has the low groove matched with upper groove, lead core rubber support is embedded in upper groove and low groove, intermediate plate is connected by shear-pin with lower seat board, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.
a kind of damping shock resistant damping bearing provided by the utility model, under normal circumstances, owing to being subject to variations in temperature, upper base plate is made to produce displacement, and the super high molecular weight plane slide plate that flat frictional pair is cheated by band depot fat and mirror face stainless steel form, when there being lubrication, its friction factor is lower can be controlled within 0.01, thus can meet temperature movement under normal circumstances.The upper side of intermediate plate is provided with the fixing flexible member of bolt, and flexible member can after temperature movement have changed, and external force sets back after disappearing.When building structure that upper base plate bears its support descends enormous power, power is passed to flat frictional pair by upper base plate, planar friction adjutant power passes to ball core again, ball core utilizes its spherical structure power to be spread equably and gives intermediate plate, then power is passed to lead core rubber support by intermediate plate again, and power is passed to lower seat board by lead core rubber support again.When power is large seismic forces or due to impact force, when the vibration force that wind or other factors are brought or shearing, when power makes shear-pin cut off greatly to a certain extent, now lead core rubber support generation shear strain, lead for retractable pencil in it is under the constraint of stiffened steel plates and rubber, lead for retractable pencil produces plasticity shear strain when bearing generation shear strain, lead for retractable pencil produces the plastic strain of hysteresis damping, through distortion repeatedly, lead core rubber support meeting earthquake energy, and rubber itself is with regard to good damping material, the delayed plastic strain of lead for retractable pencil is had to absorb certain energy again, thus reach the object of damper.Because the elasticity of rubber and lead for retractable pencil can restore gradually, can set back after external force disappears.Thus avoid the infringement of external force to building structure.
Accompanying drawing explanation
fig. 1 is the structural representation of a kind of damping shock resistant damping of the utility model bearing.
Detailed description of the invention
be described further below in conjunction with the structure of accompanying drawing to a kind of damping shock resistant damping bearing provided by the utility model.
as shown in Figure 1, a kind of damping shock resistant damping of the utility model bearing comprises upper base plate 1, ball core 2, intermediate plate 3 and lower seat board 4, flat frictional pair 5 is provided with between upper base plate 1 and ball core 2, sphere friction pair 6 is provided with between ball core 2 and intermediate plate 3, the bottom of intermediate plate 3 has upper groove 7, the top of lower seat board 4 has the low groove 8 matched with upper groove 7, lead core rubber support 9 is embedded in upper groove 7 and low groove 8, intermediate plate 3 is connected by shear-pin 10 with lower seat board 4, and the upper side of intermediate plate 3 is provided with the fixing flexible member 12 of bolt 11.
a kind of damping shock resistant damping bearing provided by the utility model, lead core rubber support 9 is embedded in upper groove 7 and low groove 8, first shear-pin 10 is embedded in intermediate plate 3, and then with shear-pin 10, intermediate plate 3 and lower seat board 4 are fixed together, with bolt 11, flexible member 12 is fixed on the upper side of intermediate plate 3, sphere friction pair 6 inlays the end face of intermediate plate 3, ball core 2 is arranged on above sphere friction pair 6, flat frictional pair 5 is embedded in the end face of ball core 2, and upper base plate 1 is arranged on above flat frictional pair 5.Upper base plate 1 and flat frictional pair 5 form displacement sliding pair, realize the displacement of normal temperature change.Form revolute pair below sphere friction pair 6 and ball core 2, realize the rotation displacement of structure.The sidewall design certain thickness of upper base plate 1 realizes the requirement of antidetonation.
a kind of damping shock resistant damping bearing provided by the utility model, under normal circumstances, owing to being subject to variations in temperature, upper base plate 1 is made to produce displacement, and the super high molecular weight plane slide plate that flat frictional pair 5 is cheated by band depot fat and mirror face stainless steel form, when there being lubrication, its friction factor is lower can be controlled within 0.01, thus can meet temperature movement under normal circumstances.The upper side of intermediate plate 3 is provided with the fixing flexible member 12 of bolt 11, and flexible member 12 can change the disappearance of rear external force in temperature movement and set back.When building structure that upper base plate 1 bears its support descends enormous power, power is passed to flat frictional pair 5 by upper base plate 1, power is passed to ball core 2 by flat frictional pair 5 again, ball core 2 utilizes its spherical structure power to be spread equably and gives intermediate plate 3, then power is passed to lead core rubber support 9 by intermediate plate 3 again, and power is passed to lower seat board 4 by lead core rubber support 9 again.When power is large seismic forces or due to impact force, when the vibration force that wind or other factors are brought or shearing, when power makes shear-pin 10 cut off greatly to a certain extent, now there is shear strain in lead core rubber support 9, lead for retractable pencil in it is under the constraint of stiffened steel plates and rubber, lead for retractable pencil produces plasticity shear strain when bearing generation shear strain, lead for retractable pencil produces the plastic strain of hysteresis damping, through distortion repeatedly, lead core rubber support 9 meeting earthquake energy, and rubber itself is with regard to good damping material, the delayed plastic strain of lead for retractable pencil is had to absorb certain energy again, thus reach the object of damper.Because the elasticity of rubber and lead for retractable pencil can restore gradually, can set back after external force disappears.Thus avoid the infringement of external force to building structure.
a kind of damping shock resistant damping bearing provided by the utility model, flat frictional pair 5 have employed super-high molecular weight polyethylene sliding plate, this slide plate case unit capacity is more than the twice of common tetrafluoro slide plate, reduce the volume of bearing, reduce the steel using amount of bearing, thus reduce the cost of bearing, thus reduce construction costs.A kind of damping shock resistant damping bearing provided by the utility model, have can universal load-supporting, universal rotational, damper antidetonation, structure advantage of homing after external force disappears can be made, be applicable to Longspan Bridge and space truss structure, the building being particularly useful for highly seismic region uses.A kind of damping shock resistant damping bearing provided by the utility model is not limited only to said structure, but no matter is which kind of form, as long as structure is identical with the utility model, all falls into the utility model protection domain.
Claims (1)
1. a damping shock resistant damping bearing, comprise upper base plate, ball core, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and ball core, sphere friction pair is provided with between ball core and intermediate plate, it is characterized in that: the bottom of described intermediate plate has upper groove, the top of lower seat board has the low groove matched with upper groove, lead core rubber support is embedded in upper groove and low groove, intermediate plate is connected by shear-pin with lower seat board, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354324.5U CN204644865U (en) | 2015-05-28 | 2015-05-28 | A kind of damping shock resistant damping bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354324.5U CN204644865U (en) | 2015-05-28 | 2015-05-28 | A kind of damping shock resistant damping bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204644865U true CN204644865U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520354324.5U Expired - Fee Related CN204644865U (en) | 2015-05-28 | 2015-05-28 | A kind of damping shock resistant damping bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204644865U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867911A (en) * | 2018-07-02 | 2018-11-23 | 东南大学 | A kind of pulling-resistant type three-dimensional rubber friction-pendulum shock-insulation support |
| CN110206186A (en) * | 2019-06-21 | 2019-09-06 | 大连理工大学 | It is a kind of can friction energy-dissipating grid structure plate bearing |
| CN110952670A (en) * | 2019-12-13 | 2020-04-03 | 上海祥谷钢结构工程有限公司 | Dual gymnasium antidetonation support that resets |
| CN112411365A (en) * | 2020-12-22 | 2021-02-26 | 重庆交通大学 | Universal anti-seismic support with combined partition, damper and lock |
| CN112709481A (en) * | 2020-12-25 | 2021-04-27 | 天津轨道交通城市发展有限公司 | House earthquake-resistant structure |
| CN115354568A (en) * | 2022-09-26 | 2022-11-18 | 株洲时代新材料科技股份有限公司 | Unidirectional horizontal rigidity anti-seismic support |
-
2015
- 2015-05-28 CN CN201520354324.5U patent/CN204644865U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867911A (en) * | 2018-07-02 | 2018-11-23 | 东南大学 | A kind of pulling-resistant type three-dimensional rubber friction-pendulum shock-insulation support |
| CN110206186A (en) * | 2019-06-21 | 2019-09-06 | 大连理工大学 | It is a kind of can friction energy-dissipating grid structure plate bearing |
| CN110206186B (en) * | 2019-06-21 | 2024-01-05 | 大连理工大学 | Grid structure flat plate support capable of dissipating energy through friction |
| CN110952670A (en) * | 2019-12-13 | 2020-04-03 | 上海祥谷钢结构工程有限公司 | Dual gymnasium antidetonation support that resets |
| CN112411365A (en) * | 2020-12-22 | 2021-02-26 | 重庆交通大学 | Universal anti-seismic support with combined partition, damper and lock |
| CN112411365B (en) * | 2020-12-22 | 2024-05-10 | 重庆交通大学 | Partition, reducing and locking combined universal anti-vibration support |
| CN112709481A (en) * | 2020-12-25 | 2021-04-27 | 天津轨道交通城市发展有限公司 | House earthquake-resistant structure |
| CN115354568A (en) * | 2022-09-26 | 2022-11-18 | 株洲时代新材料科技股份有限公司 | Unidirectional horizontal rigidity anti-seismic support |
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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: 20150916 Termination date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |