CN201554141U - Shock isolating support for self-adaptive bispherical steel spring plate - Google Patents
Shock isolating support for self-adaptive bispherical steel spring plate Download PDFInfo
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- CN201554141U CN201554141U CN2009201783639U CN200920178363U CN201554141U CN 201554141 U CN201554141 U CN 201554141U CN 2009201783639 U CN2009201783639 U CN 2009201783639U CN 200920178363 U CN200920178363 U CN 200920178363U CN 201554141 U CN201554141 U CN 201554141U
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Abstract
The utility model relates to a shock isolating support for a self-adaptive bispherical steel spring plate in the field of engineering of buildings, bridges and flumes, which comprises an upper support plate, an upper cylinder sliding block, a lower biconvex-spherical surface cylinder sliding block, a sliding plate and a lower support plate, wherein the lower part of the upper support plate is provided with an annular sealed plate; the outer wall of the lower part of the upper support plate is connected with the upper surface of the upper cylinder sliding block; an elastic component for the bow steel spring plate which is connected with the upper cylinder sliding block is arranged between the upper cylinder sliding block on the outer wall of the lower part of the upper support plate and the annular sealed plate; the indent spherical surface of the upper cylinder sliding block is connected with the upper convex spherical surface of the lower biconvex-spherical surface cylinder sliding block; the lower convex spherical surface of the lower biconvex-spherical surface cylinder sliding block is positioned in the concave spherical surface of the sliding plate; and the convex spherical surface of the sliding plate is positioned in the concave spherical surface of the lower support plate. The support has simple structure, high vertical bearing capacity, good durability and explicit mechanism of shock reduction and isolation, is applicable to buildings, bridges, flumes and other structures with higher requirement on anti-shock performance.
Description
Technical field
The utility model relates to the vibration absorption and isolation support device of building, bridge, aqueduct and other structure, especially relates to vibration isolating support saddle of self-adaptive double-spherical spring steel plate.
Background technology
Build building in the earthquake zone; bridge; during the large-scale structure of aqueduct and other; threaten in order to alleviate potential earthquake; must carry out seismic design to these class structure; wherein; taking isolation design is one of effective means that reduces structure earthquake damage; seismic isolation technology is exactly by between structure bottom and basic end face the less shock insulation layer of rigidity being set; to reduce the fundamental frequency of structure; prolong its vibration period; thereby avoid the main energy frequency band of earthquake motion; superstructure and earthquake vibration are kept apart, reduce the reaction of superstructure, thereby reach the purpose of protecting agent structure and inner facility thereof not to be damaged.Seismic isolation technology does not need external energy as an important branch of engineering structures damping control, and is safe, economical, has been subjected to the extensive concern of engineering and academia, and at home and abroad has been widely used in the engineering structures antidetonations such as building, bridge.The shock isolating pedestal performance has determined the isolating affection and the anti-seismic performance of system, thereby develops high performance vibration absorption and isolation support and become the key issue in the seismic isolation technology.
Good shock isolation system should satisfy four basic functions, and (1) is flexibility reasonably; (2) good energy dissipation capacity; (3) initial rigidity, yield force; (4) rapid reset capability.At present, be used to build, the earthquake isolating equipment that subtracts of bridge and other structure mainly contains energy-dissipating devices such as laminated rubber bases, lead core rubber support, high-damping rubber bearing, friction pendulum system and various dampers.All there is weak point in these bearings should be in curve bridge, Longspan Bridge and other large-scale structure the time.
Various neoprene bearings are because vertical bearing capacity is lower, and durability is relatively poor, can not be applied to separately in very heavy Longspan Bridge of superstructure and the large-scale structure.
There is result of use preferably in the friction pendulum system to the medium and small footpath bridge of striding, but because single rubbing surface, in the support movement process, its rigidity and damping characteristic can not change, no adaptivity.Under shake effect doughtily, the horizontal movement amplitude is restricted, and is difficult to guarantee the needs of the big displacement of long-span bridge girder construction under severe earthquake action.
The utility model content
In order to overcome the defective of above-mentioned existence, the utility model provides a kind of vibration isolating support saddle of self-adaptive double-spherical spring steel plate, solve the supporting capacity height, the excellent in durability that need to be resolved hurrily on the engineering, can have the good performance that resets certainly again by dissipation energy, adaptive performance is strong, and the big vibration absorption and isolation support of horizontal movement amplitude under severe earthquake action is to satisfy large-scale structure such as the high building of shockproof requirements, bridge and aqueduct.
A kind of vibration isolating support saddle of self-adaptive double-spherical spring steel plate that the utility model provides, this shock isolating pedestal is by the upper bracket plate, the cylinder top shoe, cylinder biconvex sphere sliding block, slider disc and lower support plate are formed, it is characterized in that: upper bracket plate bottom is provided with the annular seal plate, upper bracket plate bottom outer wall and cylinder top shoe upper surface join, be provided with between the cylinder top shoe of upper bracket plate bottom outer wall and the annular seal plate and the joining semielliptic spring steel plate of cylinder top shoe elastic parts, the epirelief sphere of concave spherical surface and cylinder biconvex sphere sliding block joins in the cylinder top shoe, the following protruding sphere of cylinder biconvex sphere sliding block is seated in the slider disc concave spherical surface, and the protruding sphere of slider disc is seated in the lower support plate concave spherical surface.
Upper bracket board plane, slider disc concave spherical surface and lower support plate concave spherical surface all plate fine and close chromium layer corrosion resistant plate.
The following protruding sphere and the protruding sphere of slider disc of plane, cylinder biconvex sphere sliding block are all inlayed the polytetrafluoroethylene (PTFE) slide plate on the cylinder top shoe.
The following protruding sphere curvature radius of cylinder biconvex sphere sliding block is identical with slider disc concave spherical surface radius of curvature, and the protruding sphere curvature radius of slider disc is identical with lower support plate concave spherical surface radius of curvature.
The utility model provides a kind of vibration isolating support saddle of self-adaptive double-spherical spring steel plate, under normal use or little earthquake situations condition, vibration isolating support saddle of self-adaptive double-spherical spring steel plate is delivered to substructure equably with the bridge upper load, adapt to superstructure because of creeping and variations in temperature plays rotation by rotating between cylinder top shoe and cylinder biconvex sphere sliding block, cylinder biconvex sphere sliding block Frictional Slipping on the slider disc concave spherical surface is got the effect of common bearing; When middle shake,, come the natural vibration period of extending structure and by the friction seismic energy that dissipates by second friction pair of lower support plate and middle slider disc; When big shake, except above-mentioned two Frictional Slipping, the cylinder top shoe slides at upper bracket plate inner plane, form the 3rd friction pair power consumption energy, simultaneously, distortion by bow type spring comes dissipation energy, and utilizes bow type steel spring plate from setting back, and reduces or isolates the influence of earthquake to structure earthquake responses such as bridge, building and aqueducts.
The utility model utilizes vibration isolating support saddle of self-adaptive double-spherical spring steel plate to change free vibration period of structure, the distortion by three friction pairs and steel spring plate comes earthquake energy, and utilize deadweight and bow type spring performance, have strong resetting property certainly and change rigidity automatically and the adaptivity of change damping.This seat structure is simple, and vertical bearing capacity is big, good endurance, and adaptive ability is strong, and it is clear and definite to subtract shock insulation mechanism, especially obvious to the anti-seismic performance effect that improves building, bridge, aqueduct and other large-scale structure.
Description of drawings
Fig. 1 is the structural representation of the utility model vibration isolating support saddle of self-adaptive double-spherical spring steel plate;
Fig. 2 is the utility model bow type steel spring plate structural representation;
Description of reference numerals:
1-upper bracket plate; 2-plates fine and close chromium layer corrosion resistant plate; The 3-slider disc; 4-polytetrafluoroethylene (PTFE) slide plate; 5-cylinder top shoe; 6-cylinder biconvex sphere sliding block; 7-bow type steel spring plate; The 8-sealing plate; The 9-lower support plate.
The specific embodiment
Vibration isolating support saddle of self-adaptive double-spherical spring steel plate is on common spherical bearing basis, increasing cylinder top shoe, cylinder biconvex sphere sliding block and slider disc forms, and the inwall of upper bracket plate is fixed with a kind of novel vibration absorption and isolation support with elastic parts such as the joining bow type of cylinder top shoe steel spring plates, is mainly used in other large-scale structure such as the demanding building of anti-seismic performance, bridge, aqueduct.
Fig. 1 is the structural representation of vibration isolating support saddle of self-adaptive double-spherical spring steel plate.As depicted in figs. 1 and 2, vibration isolating support saddle of self-adaptive double-spherical spring steel plate is by upper bracket plate 1, cylinder top shoe 5, cylinder biconvex sphere sliding block 6, slider disc 3 and lower support plate 9 are formed, upper bracket plate 1 bottom is provided with annular seal plate 8, upper bracket plate 1 bottom outer wall and cylinder top shoe 5 upper surfaces join, be provided with between the cylinder top shoe 5 of upper bracket plate 1 bottom outer wall and the annular seal plate 8 and cylinder top shoe 5 joining semielliptic spring steel plate elastic parts 7, the epirelief sphere of concave spherical surface and cylinder biconvex sphere sliding block 6 joins in the cylinder top shoe 5, the following protruding sphere of cylinder biconvex sphere sliding block 6 is seated in slider disc 3 concave spherical surfaces, and slider disc 3 protruding spheres are seated in lower support plate 9 concave spherical surfaces.Upper bracket plate 1 plane, slider disc 3 concave spherical surfaces and lower support plate 9 concave spherical surfaces all plate fine and close chromium layer corrosion resistant plate 2.The following protruding sphere of plane, cylinder biconvex sphere sliding block 6 and slider disc 3 protruding spheres are all inlayed polytetrafluoroethylene (PTFE) slide plate 4 on the cylinder top shoe 5.The following protruding sphere curvature radius of cylinder biconvex sphere sliding block 6 is identical with slider disc 3 concave spherical surface radius of curvature, and slider disc 3 protruding sphere curvature radius are identical with lower support plate 9 concave spherical surface radius of curvature.
Vibration isolating support saddle of self-adaptive double-spherical spring steel plate is on common spherical bearing basis, increased cylinder top shoe 5, cylinder biconvex sphere sliding block 6 and slider disc 3, wherein the inwall of upper bracket plate 1 is fixed with a kind of three groups of friction pairs of forming with the joining bow type steel spring plate elastic parts 7 of cylinder top shoe 5 and the power consumption of bow type spring and from the novel vibration absorption and isolation support of reset function.Polytetrafluoroethylene (PTFE) slide plate 4 that 6 times protruding spheres of cylinder biconvex sphere sliding block are inlayed and slider disc 3 concave spherical surfaces plate first friction pair that fine and close chromium layer corrosion resistant plate 2 constitutes friction factor little (coefficientoffriction=0.05); Polytetrafluoroethylene (PTFE) slide plate 4 that slider disc 3 protruding spheres are inlayed and lower support plate 9 concave spherical surfaces plate fine and close chromium layer corrosion resistant plate 2 and constitute second friction pair of big (coefficientoffriction=0.1) of friction factor; Polytetrafluoroethylene (PTFE) slide plate 4 that inlay on the plane on the cylinder top shoe 5 and upper bracket plate 1 inner plane plate the 3rd friction pair that fine and close chromium layer corrosion resistant plate 2 constitutes friction factor maximum (coefficientoffriction=0.2).When normal load action, cylinder top shoe 5 and 6 rotations of cylinder biconvex sphere sliding block adapt to superstructure because of creep and variations in temperature play rotation, and little first friction pair of friction factor is movable, it is motionless that second friction pair that friction factor is big and the 3rd friction pair keep, general spherical shape bearing duty when the vibration isolating support saddle of self-adaptive double-spherical spring steel plate of this moment is suitable; When fortification intensity, second friction pair that first friction pair that friction factor is little and friction factor are bigger is movable, and the 3rd friction pair keeps motionless, like this can be by two Frictional Slipping of bearing more macro-energy that dissipates, and satisfy bridge construction relatively large displacement is arranged.When big shake takes place, three friction pairs are all movable, many as far as possible by the friction dissipation energy, make the top and the bottom structure of bridge that the relative displacement of maximum possible be arranged, simultaneously, difference according to two sphere curvature radius, can regulate the variation of bearing rigidity and damping automatically, has the good adaptive ability, under the superstructure action of gravity, potential energy forms restoring force, and cylinder biconvex sphere sliding block 6 automatically resets by the structure self gravitation, cylinder top shoe 5 utilizes the distortion of bow type spring to come consumed energy and automatically resets, and makes this shock isolating pedestal have the good performance that resets certainly.
In addition, this enforcement upper bracket plate 1 inner plane, slider disc 3 concave spherical surfaces and lower support plate 9 concave spherical surfaces are the fine and close chromium layer corrosion resistant plate of plating, the following protruding sphere of plane, cylinder biconvex sphere sliding block 6 and slider disc 3 protruding spheres are all inlayed polytetrafluoroethylene (PTFE) slide plate 4 on the cylinder top shoe 5, have height from becoming rigidity and becoming damping capacity certainly, adaptive performance is strong.This bearing is processing and moulding control easily, polytetrafluoroethylene (PTFE) slide plate and bow shaped steel plate, and low price, safe and reliable, obvious to the anti-seismic performance effect that improves meizoseismal area building, bridge, aqueduct and other structure, use should be widely promoted.
Claims (4)
1. vibration isolating support saddle of self-adaptive double-spherical spring steel plate, by the upper bracket plate, the cylinder top shoe, cylinder biconvex sphere sliding block, slider disc and lower support plate are formed, it is characterized in that: upper bracket plate bottom is provided with the annular seal plate, upper bracket plate bottom outer wall and cylinder top shoe upper surface join, be provided with between the cylinder top shoe of upper bracket plate bottom outer wall and the annular seal plate and the joining semielliptic spring steel plate of cylinder top shoe elastic parts, the epirelief sphere of concave spherical surface and cylinder biconvex sphere sliding block joins in the cylinder top shoe, the following protruding sphere of cylinder biconvex sphere sliding block is seated in the slider disc concave spherical surface, and the protruding sphere of slider disc is seated in the lower support plate concave spherical surface.
2. vibration isolating support saddle of self-adaptive double-spherical spring steel plate according to claim 1 is characterized in that: upper bracket board plane, slider disc concave spherical surface and lower support plate concave spherical surface all plate fine and close chromium layer corrosion resistant plate.
3. vibration isolating support saddle of self-adaptive double-spherical spring steel plate according to claim 1 is characterized in that: the following protruding sphere and the protruding sphere of slider disc of plane, cylinder biconvex sphere sliding block are all inlayed the polytetrafluoroethylene (PTFE) slide plate on the cylinder top shoe.
4. vibration isolating support saddle of self-adaptive double-spherical spring steel plate according to claim 1, it is characterized in that: the following protruding sphere curvature radius of cylinder biconvex sphere sliding block is identical with slider disc concave spherical surface radius of curvature, and the protruding sphere curvature radius of slider disc is identical with lower support plate concave spherical surface radius of curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201783639U CN201554141U (en) | 2009-11-20 | 2009-11-20 | Shock isolating support for self-adaptive bispherical steel spring plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201783639U CN201554141U (en) | 2009-11-20 | 2009-11-20 | Shock isolating support for self-adaptive bispherical steel spring plate |
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| CN201554141U true CN201554141U (en) | 2010-08-18 |
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| CN2009201783639U Expired - Fee Related CN201554141U (en) | 2009-11-20 | 2009-11-20 | Shock isolating support for self-adaptive bispherical steel spring plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912724A (en) * | 2012-11-15 | 2013-02-06 | 成都宝路通桥梁科技有限公司 | Shock insulation support |
| CN103485436A (en) * | 2013-09-27 | 2014-01-01 | 西安建筑科技大学 | Self-resetting piezoelectric semi-active friction damper |
| CN104088368A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating bidirectional spherical support |
| CN104390057A (en) * | 2014-11-05 | 2015-03-04 | 山东齐鲁石化工程有限公司 | Bidirectional heat-displacement pipeline bracket |
| CN105672123A (en) * | 2016-03-08 | 2016-06-15 | 河北桥致通科技有限公司 | Life-cycle basin-shaped sphere steel support of bridge |
| CN106049262A (en) * | 2016-07-13 | 2016-10-26 | 山东省交通规划设计院 | Two-way vibration absorption and isolation support suitable for cable-stayed bridge and suspension bridge |
| KR101822905B1 (en) * | 2016-10-27 | 2018-01-29 | (주)큐빅스 | Seismic isolation device for a bridge |
| CN109046590A (en) * | 2018-08-16 | 2018-12-21 | 连云港泛美石油化工有限公司 | Chemical industry crusher |
| CN113847382A (en) * | 2021-08-24 | 2021-12-28 | 故宫博物院 | Friction pendulum type shock isolation device with variable damping performance |
| CN117488967A (en) * | 2023-09-27 | 2024-02-02 | 中国建筑第八工程局有限公司 | Building anti-seismic base structure |
-
2009
- 2009-11-20 CN CN2009201783639U patent/CN201554141U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912724A (en) * | 2012-11-15 | 2013-02-06 | 成都宝路通桥梁科技有限公司 | Shock insulation support |
| CN103485436A (en) * | 2013-09-27 | 2014-01-01 | 西安建筑科技大学 | Self-resetting piezoelectric semi-active friction damper |
| CN104088368A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating bidirectional spherical support |
| CN104390057A (en) * | 2014-11-05 | 2015-03-04 | 山东齐鲁石化工程有限公司 | Bidirectional heat-displacement pipeline bracket |
| CN105672123A (en) * | 2016-03-08 | 2016-06-15 | 河北桥致通科技有限公司 | Life-cycle basin-shaped sphere steel support of bridge |
| CN106049262A (en) * | 2016-07-13 | 2016-10-26 | 山东省交通规划设计院 | Two-way vibration absorption and isolation support suitable for cable-stayed bridge and suspension bridge |
| CN106049262B (en) * | 2016-07-13 | 2018-03-02 | 山东省交通规划设计院 | It is a kind of to be applied to cable-stayed bridge, the two-way vibration absorption and isolation support of suspension bridge |
| KR101822905B1 (en) * | 2016-10-27 | 2018-01-29 | (주)큐빅스 | Seismic isolation device for a bridge |
| CN109046590A (en) * | 2018-08-16 | 2018-12-21 | 连云港泛美石油化工有限公司 | Chemical industry crusher |
| CN113847382A (en) * | 2021-08-24 | 2021-12-28 | 故宫博物院 | Friction pendulum type shock isolation device with variable damping performance |
| CN117488967A (en) * | 2023-09-27 | 2024-02-02 | 中国建筑第八工程局有限公司 | Building anti-seismic base structure |
| CN117488967B (en) * | 2023-09-27 | 2024-04-30 | 中国建筑第八工程局有限公司 | Building anti-seismic base structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20131120 |