CN204531046U - A kind of energy-consumption shock-absorption device of spherical bearing - Google Patents
A kind of energy-consumption shock-absorption device of spherical bearing Download PDFInfo
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- CN204531046U CN204531046U CN201520120480.5U CN201520120480U CN204531046U CN 204531046 U CN204531046 U CN 204531046U CN 201520120480 U CN201520120480 U CN 201520120480U CN 204531046 U CN204531046 U CN 204531046U
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- 238000005265 energy consumption Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 238000013016 damping Methods 0.000 claims abstract description 40
- 229920001971 elastomer Polymers 0.000 claims description 27
- 238000010008 shearing Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 229920001084 poly(chloroprene) Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 235000001167 Melaleuca cajuputi Nutrition 0.000 description 1
- 244000304222 Melaleuca cajuputi Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of energy-consumption shock-absorption device of spherical bearing, be arranged in spherical bearing, described spherical bearing comprises the undersetting steel plate arranged from the bottom to top, bowl-shape center steel plate, support ball core and upper bracket steel plate, stopping means is fixed with between undersetting steel plate sidewall and bowl-shape center steel plate sidewall, described energy-consumption shock-absorption device comprises the first floor polyfluortetraethylene plate between soffit and the upper surface of support ball core being arranged on upper bracket steel plate, be arranged on the second layer polyfluortetraethylene plate between the soffit of support ball core and the upper surface of bowl-shape center steel plate, and the third layer polyfluortetraethylene plate be arranged between the upper surface of undersetting steel plate and the soffit of bowl-shape center steel plate.The utility model is little to spherical bearing structural change, and damping device structural principle is simply ripe, and energy-dissipating and shock-absorbing performance is good, and product cost is low, can the own performance of guarantee bearing at most under general geological process, damages easy to maintenance.
Description
Technical field
The utility model relates to the engineering construction technical fields, particularly a kind of energy-consumption shock-absorption device of spherical bearing such as bridge, building and water conservancy.
Background technology
The Wenchuan special violent earthquake that recent years occurs, cajaput and Yaan violent earthquake, bring bitter lesson to us.In earthquake, building collapsing causes that countless the people are plunged into an abyss of misery, and bridge is damaged cut-out as rescue lifeline, greatly increases rescue difficulty, causes larger secondary disaster.In the disaster relief, again and again occur that transport vehicle worked as by helicopter! Exactly because of the rescue difficulty that interruption of communication causes, bridge collapse loss cost is high simultaneously.
The lesson of these earthquake disasters, allow Bridge Earthquake Resistance Design, pay attention to day by day is obtained at Bridges in Our Country engineering circles, particularly after the violent earthquake of Wenchuan, transportation industry is proposed JTG/TB02-01-2008 " Design of Highway Bridge detailed rules and regulations " for the development of highway bridge damping, shock isolating pedestal and provides excellent opportunity.The research work of bridge seismic isolation design is more and more paid attention in industry inside.In general, can be ensured the safety of structure by correct " antidetonation " design, prevent the entirety of structure from destroying or collapsing, conventional seismic isolation device is divided into monolithic devices and divergence type two class.
Monolithic devices seismic isolation device conventional at present has: lead core rubber support, high-damp rubber support, friction pendulum vibration absorption and isolation support; Divergence type seismic isolation device conventional at present has: neoprene bearing+metal damper, neoprene bearing+frcition damper, neoprene bearing+cohesive material damper.But the scheme of these designs, with hard to hard mode antidetonation, damages unavoidable.The resistivity of bearing self to seismic force effects is more weak simultaneously, and can not ensure that the normal use of bridge needs to change in time by Self-resetting after stress destruction, use cost is higher.
Summary of the invention
The purpose of this utility model is the energy-consumption shock-absorption device that will provide a kind of cost of production is little, antidetonation shock attenuation performance is high spherical bearing, makes full use of the mechanical property of spherical bearing itself, increases the energy-dissipating and shock-absorbing performance that auxiliary damping device improves bearing simultaneously.
For achieving the above object, the utility model is implemented according to following technical scheme:
A kind of energy-consumption shock-absorption device of spherical bearing, be arranged in spherical bearing, described spherical bearing comprises the undersetting steel plate arranged from the bottom to top, bowl-shape center steel plate, support ball core and upper bracket steel plate, stopping means is fixed with between undersetting steel plate sidewall and bowl-shape center steel plate sidewall, described energy-consumption shock-absorption device comprises the first floor polyfluortetraethylene plate between soffit and the upper surface of support ball core being arranged on upper bracket steel plate, be arranged on the second layer polyfluortetraethylene plate between the soffit of support ball core and the upper surface of bowl-shape center steel plate, and the third layer polyfluortetraethylene plate be arranged between the upper surface of undersetting steel plate and the soffit of bowl-shape center steel plate.
As further preferred version of the present utility model, described energy-consumption shock-absorption device also comprises automatic runback device, automatic runback device is arranged between stopping means and undersetting steel plate sidewall, automatic runback device comprises rubber damping block termination slippage steel washer, rubber damping block, Self-resetting slippage rod member and slippage rod member damping steel plate, one end of reset slippage rod member is fixedly connected with slippage rod member damping steel plate, the bottom of slippage rod member damping steel plate and the sidewall contact of stopping means, rubber damping block termination slippage steel washer and rubber damping block are nested with successively on reset slippage rod member, rubber damping block termination slippage steel washer and rubber damping block can with rubber damping block shrinkage strain automatic slidings on reset slippage rod member, the other end of reset slippage rod member is horizontal through undersetting steel plate sidewall.
As further preferred version of the present utility model, described reset slippage rod member and slippage rod member damping steel plate are structure as a whole.
As further preferred version of the present utility model, described stopping means is fixedly connected with bottom undersetting steel plate with shearing resistance pin by connecting bolt.
Compared with prior art, the utility model is under seismic force effects, spherical bearing utilizes the skew of support ball core and bowl-shape center steel plate to swing and earthquake kinetic energy is converted into gravitional force, be not cancelled partly brisance by three layers of polyfluortetraethylene plate absorb seismic energies to building body transmission, set up rubber damping block transform and offset part of horizontal seismic forces simultaneously, thus weaken the destruction of earthquake to bridge pad, reduce the amplitude of building body, ensure the safety of structure, reach Bridge Seismic shock insulation object.
The utility model is little to spherical bearing structural change, and damping device structural principle is simply ripe, and energy-dissipating and shock-absorbing performance is good, and product cost is low, can the own performance of guarantee bearing at most under general geological process, damages easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is scheme of installation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, is used for explaining the utility model in the illustrative examples of this utility model and explanation, but not as to restriction of the present utility model.
As Fig. 1, the energy-consumption shock-absorption device of the spherical bearing shown in Fig. 2, be arranged in spherical bearing, described spherical bearing comprises the undersetting steel plate 4 arranged from the bottom to top, bowl-shape center steel plate 5, support ball core 6 and upper bracket steel plate 7, stopping means 8 is fixed with between undersetting steel plate 4 sidewall and bowl-shape center steel plate 5 sidewall, stopping means 8 is fixedly connected with bottom undersetting steel plate 4 with shearing resistance pin 10 by connecting bolt 9, described energy-consumption shock-absorption device comprises the first floor polyfluortetraethylene plate 1 between soffit and the upper surface of support ball core 6 being arranged on upper bracket steel plate 7, be arranged on the second layer polyfluortetraethylene plate 2 between the soffit of support ball core 6 and the upper surface of bowl-shape center steel plate 5, and the third layer polyfluortetraethylene plate 3 be arranged between the upper surface of undersetting steel plate 4 and the soffit of bowl-shape center steel plate 5.Under seismic force effects, spherical bearing utilizes the skew of support ball core 6 and bowl-shape center steel plate 5 to swing and earthquake kinetic energy is converted into potential energy, be not cancelled partly brisance by first floor polyfluortetraethylene plate 1, second layer polyfluortetraethylene plate 2, third layer polyfluortetraethylene plate 3 by seismic energy to building body transmission, thus weaken the destruction of earthquake to bridge pad, reduce the amplitude of building body, ensure the safety of structure, reach Bridge Seismic shock insulation object.
As shown in Figure 2, energy-consumption shock-absorption device also comprises automatic runback device, automatic runback device is arranged between stopping means 8 and undersetting steel plate 4 sidewall, automatic runback device comprises rubber damping block termination slippage steel washer 13, rubber damping block 11, reset slippage rod member 14 and slippage rod member damping steel plate 12, reset slippage rod member 14 and slippage rod member damping steel plate 12 are structure as a whole, the bottom of slippage rod member damping steel plate 12 and the sidewall contact of stopping means 8, rubber damping block termination slippage steel washer 13 and rubber damping block 11 are nested with successively on reset slippage rod member 14, rubber damping block termination slippage steel washer 13 and rubber damping block 11 can with rubber damping block 11 shrinkage strain automatic slidings on reset slippage rod member 14, the other end of reset slippage rod member 14 is horizontal through undersetting steel plate 4 sidewall.Under seismic force effects, promote by horizontal earthquake, support ball core 5 slippage makes connecting bolt 9 and shearing resistance pin 10 be cut off, now horizontal direction power is potential energy by rubber damping block 11 sorption enhanced, rubber damping block 11 is compressed, bowl-shape center steel plate 5 can be promoted along reset slippage rod member 14 by rubber damping block 11 reinstatement compressed after earthquake to reset, under the acting in conjunction of many group automatic runback devices, spherical bearing can self-resetting, ensure seat structure safety, reach Bridge Seismic shock insulation object.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection domain of the present utility model.
Claims (4)
1. the energy-consumption shock-absorption device of a spherical bearing, be arranged in spherical bearing, described spherical bearing comprises the undersetting steel plate arranged from the bottom to top, bowl-shape center steel plate, support ball core and upper bracket steel plate, stopping means is fixed with between undersetting steel plate sidewall and bowl-shape center steel plate sidewall, it is characterized in that: described energy-consumption shock-absorption device comprises the first floor polyfluortetraethylene plate between soffit and the upper surface of support ball core being arranged on upper bracket steel plate, be arranged on the second layer polyfluortetraethylene plate between the soffit of support ball core and the upper surface of bowl-shape center steel plate, and the third layer polyfluortetraethylene plate be arranged between the upper surface of undersetting steel plate and the soffit of bowl-shape center steel plate.
2. the energy-consumption shock-absorption device of spherical bearing according to claim 1, it is characterized in that: described energy-consumption shock-absorption device also comprises automatic runback device, automatic runback device is arranged between stopping means and undersetting steel plate sidewall, automatic runback device comprises rubber damping block termination slippage steel washer, rubber damping block, Self-resetting slippage rod member and slippage rod member damping steel plate, one end of reset slippage rod member is fixedly connected with slippage rod member damping steel plate, the bottom of slippage rod member damping steel plate and the sidewall contact of stopping means, rubber damping block termination slippage steel washer and rubber damping block are nested with successively on reset slippage rod member, rubber damping block termination slippage steel washer and rubber damping block can with rubber damping block shrinkage strain automatic slidings on reset slippage rod member, the other end of reset slippage rod member is horizontal through undersetting steel plate sidewall.
3. the energy-consumption shock-absorption device of spherical bearing according to claim 1, is characterized in that: reset slippage rod member and slippage rod member damping steel plate are structure as a whole.
4. the energy-consumption shock-absorption device of spherical bearing according to claim 1, is characterized in that: described stopping means is fixedly connected with bottom undersetting steel plate with shearing resistance pin by connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120480.5U CN204531046U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-consumption shock-absorption device of spherical bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120480.5U CN204531046U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-consumption shock-absorption device of spherical bearing |
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| CN204531046U true CN204531046U (en) | 2015-08-05 |
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| CN201520120480.5U Expired - Fee Related CN204531046U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-consumption shock-absorption device of spherical bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914206A (en) * | 2021-10-28 | 2022-01-11 | 中南大学 | Combined energy-consumption limiting support |
| CN114808673A (en) * | 2022-03-31 | 2022-07-29 | 中铁第四勘察设计院集团有限公司 | Annular elastic shock absorption and isolation support |
-
2015
- 2015-03-02 CN CN201520120480.5U patent/CN204531046U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914206A (en) * | 2021-10-28 | 2022-01-11 | 中南大学 | Combined energy-consumption limiting support |
| CN114808673A (en) * | 2022-03-31 | 2022-07-29 | 中铁第四勘察设计院集团有限公司 | Annular elastic shock absorption and isolation support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |