CN204676413U - The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way - Google Patents

The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way Download PDF

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Publication number
CN204676413U
CN204676413U CN201520286132.5U CN201520286132U CN204676413U CN 204676413 U CN204676413 U CN 204676413U CN 201520286132 U CN201520286132 U CN 201520286132U CN 204676413 U CN204676413 U CN 204676413U
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CN
China
Prior art keywords
basin
extension plate
board
way
damping rubber
Prior art date
Application number
CN201520286132.5U
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Chinese (zh)
Inventor
赵灿晖
张龙
刘振宇
樊冰冰
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西南交通大学
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Priority to CN201520286132.5U priority Critical patent/CN204676413U/en
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Publication of CN204676413U publication Critical patent/CN204676413U/en

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Abstract

The utility model discloses the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way, comprise one-way movable basin type rubber, its structure is: two inactive sides of the top board of one-way movable basin type rubber are fixedly connected with top board extension plate, the bottom surface suspending stop of top board extension plate; Two inactive sides of the end basin of one-way movable basin type rubber are fixedly connected with end basin extension plate, and the upper surface of end basin extension plate welds two adaptive supports, and adaptive support on two relative faces is all fixed with high-damping rubber ring; Block is between two high-damping rubber rings, and the interval between block and two high-damping rubber rings is 50-300mm.This bearing can under geological process, constraint bearing activity to over-large displacement, to realize each bridge pier of bridge jointly stressed, give full play to the anti-seismic performance of each bridge pier, dissipation seismic energy, and production technology and the mounting technique of existing one-way movable basin type rubber can be continued to use, repair after being convenient to engineer applied and earthquake.

Description

The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way
Technical field
The utility model relates to a kind of bridge one-way movable basin type rubber, belongs to civil construction field.
Background technology
Bearing is the functional part connecting bridge main beam and bridge pier.The girder of bridge is due to reasons such as temperature, and can produce flexible at work and rotate, bridge pad, by suitable structure, can be eliminated the restriction of bridge pier to the above-mentioned distortion of girder, enable girder free-extension and rotation.
Bridge pad can be divided three classes according to its kinetic characteristic, and one is fixed bearing, and this type of bearing can only meet the needs that bridge main beam rotates, and all can not slide in girder length and width; Two is one-way movable support, and this type of bearing, except rotating function, also can limit the displacement along bridge width direction of bridge main beam, bear girder horizontal loading, and adapts to girder stretching along bridge length direction; Three is bidirectional sliding support, and this type of bearing, except rotating function, can also slide in bridge length direction and width x length direction.Bridge pad can be divided into steel support and neoprene bearing two class according to material, and the bearing of current China is based on neoprene bearing, and wherein one-way pot type neoprene bearing is one of bearing commonly used the most.
Side direction steel bar primarily of middle steel plate fixing successively on the rubber tile on end basin, end basin, rubber tile, tetrafluoro plate, the inactive side of stainless steel slide plate, top board and top board two be fixed on the upper plate composition of one-way movable basin type rubber.Top board and girder are fixed by anchor bolt, and end basin is fixed by anchor bolt and bridge pier.This neoprene bearing realizes the rotation of bridge main beam by the character feature that rubber tile has a fluid under triaxial stress state; Rely on the low-friction coefficient between tetrafluoro plate and stainless steel slide plate to realize the displacement of girder along bridge length direction (movable to) simultaneously, the power along bridge length direction that neoprene bearing is born no longer is born completely by rubber tile, and the slippage of indirectly-acting between tetrafluoro plate and stainless steel slide plate.In addition, the side direction steel bar restriction girder of the inactive side of top board two is along the motion of bridge width direction (inactive to).
One-way movable support normal with fixed bearing with the use of, in simply supported girder bridge, one end of girder adopts fixed bearing, other end employing one-way movable support; And only fixed bearing is arranged at a bridge pier in continuous girder bridge, one-way movable support all arranged by all the other bridge piers, retrained the horizontal movement of bridge main beam by fixed bearing, bears girder horizontal loading, adapts to the flexible of girder by freely movable bearing.
Under seismic loading, existing one-way movable pot bearing is merely able to transmit little horizontal seismic force (3%-6% by the friction between tetrafluoro plate and corrosion resistant plate, see People's Republic of China's traffic industry standard, " highway bridge pot rubber bearing " (JT/T391-2009), activity limits to displacement without special arrangement, easily expendable over-large displacement is there is in earthquake, also without seismic energy dissipation function, the horizontal earthquake action overwhelming majority of bridge main beam is passed to bridge pier by fixed bearing, make to adopt the Earthquake Internal Force of fixed bearing bridge pier to want large far beyond other bridge piers, destroy also comparatively other bridge piers want serious (investigate see Wenchuan earthquake highway earthquake hazard---bridge, People's Transportation Press, 2012.3, ISBN 978-7-114-09590-0), the shock resistance of each bridge pier in bridge can not be given full play to.
Utility model content
The purpose of this utility model is to provide the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way.This bearing can under geological process, constraint bearing activity to over-large displacement, to realize each bridge pier of bridge jointly stressed, give full play to the anti-seismic performance of each bridge pier, dissipation seismic energy, and this bearing continues to use production technology and the mounting technique of existing one-way movable basin type rubber, repairs after being convenient to engineer applied and earthquake.
The utility model realizes the technical scheme that its goal of the invention adopts: the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way, comprise one-way movable basin type rubber, its design feature is: be fixedly connected with top board extension plate in two inactive sides of the top board of one-way movable basin type rubber, the bottom surface suspending stop of top board extension plate; Two inactive sides of the end basin of one-way movable basin type rubber are fixedly connected with end basin extension plate, and the upper surface of end basin extension plate welds two adaptive supports, and adaptive support on two relative faces is all fixed with high-damping rubber ring; Block is between two high-damping rubber rings, and the interval between block and two high-damping rubber rings is 50-300mm (People's Republic of China's traffic industry standard, the allowable displacement of the dimension bearing of regulation in " highway bridge pot rubber bearing " (JT/T391-2009)).
Operating principle of the present utility model is:
When variations in temperature or under the common External Force Acting such as brake, the girder of bridge drives one-way movable basin type rubber movement of roof, block moves with top board, and the interval between block and high-damping rubber ring can adapt to the distortion that girder causes due to variations in temperature or common external force.
When running into earthquake, under seismic loading, the girder amount of exercise of bridge is greater than the interval between block and high-damping rubber ring, block and high-damping rubber loop contacts, the displacement of restriction top board, the geological process of girder is passed to high-damping rubber ring by block, and passes to basin and bridge pier at the bottom of adaptive support, bearing successively by high-damping rubber ring, realize arranging the bridge pier of one-way movable support and arranging the bridge pier shared girder seismic forces of fixed bearing.And the part kinetic transformation of girder can be also heat energy by the distortion of high-damping rubber ring and the adaptive plastic strain supported, thus dissipation seismic energy, increase bearing damping.
Compared with prior art, the beneficial effects of the utility model are:
One, the utility model can continue to use production technology and the mounting technique of existing one-way movable basin type rubber, is convenient to engineer applied.
Two, on the basis that existing pot rubber bearing constructs, set up block, high-damping rubber ring and adaptive support, limit one-way movable support movable to over-large displacement, and the geological process of bridge main beam is passed to the bridge pier arranging one-way movable support, the bridge pier of original single fixed bearing is born seismic load, become all bridge piers and share seismic load, given full play to the shock resistance of all bridge piers, the shock resistance of whole bridge is largely increased.
Three, under seismic load, the distortion of high-damping rubber ring and the adaptive plastic strain supporting generation, can become high-damping rubber ring and the adaptive heat energy supported by the part kinetic transformation of girder, thus the seismic energy that dissipated.
Four, meet and only need change high-damping rubber ring and adaptive support after earthquake, the reparation of bearing can be realized, be convenient to the reparation of earthquake rear support, reduce cost, improve efficiency.
Further, the concrete mode that the top board described in the utility model is fixedly connected with top board extension plate is: top board and top board extension plate are welded to connect, or top board and the monoblock cast of top board extension plate are formed.
Further, the concrete mode that the end basin described in the utility model is fixedly connected with end basin extension plate is: end basin and end basin extension plate are welded to connect, or end basin and end basin extension plate monoblock cast are formed.
Above-mentioned fixed form is simple, and cost is low, sound construction, and makes the utility model can by the production technology of existing one-way movable basin type rubber and mounting technique.
Further, described in the utility model, the adaptive concrete mode two relative faces being all fixed with high-damping rubber ring that supports is: adaptive support on two relative faces arranges groove, and high-damping rubber ring is embedded in the adaptive groove supported by ring projection.
Adopt this type of fixed form, in the mill, high-damping rubber ring is convenient to be installed on adaptive support, and in use high-damping rubber ring not easily loosens.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment.
In figure, a represent the activity of one-way movable basin type rubber to, b represent one-way movable basin type rubber inactive to.
Fig. 2 be the utility model embodiment face structural representation.
Fig. 3 is the side-looking structural representation of the utility model embodiment.
Detailed description of the invention
Embodiment
Fig. 1-3 illustrates, a kind of detailed description of the invention of the present utility model is: the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way, comprise one-way movable basin type rubber 1, its design feature is: be fixedly connected with top board extension plate 2 in two inactive sides of the top board 1.1 of one-way movable basin type rubber 1, the bottom surface suspending stop 4 of top board extension plate 2; Two inactive sides of the end basin 1.2 of one-way movable basin type rubber 1 are fixedly connected with end basin extension plate 3, and the upper surface of end basin extension plate 3 welds two adaptive supports 6, and two faces that adaptive support 6 is relative are all fixed with high-damping rubber ring 5; Block 4 is between two high-damping rubber rings 5, and the interval between block 4 and two high-damping rubber rings 5 is 50-300mm.
The concrete mode that top board 1.1 described in this example is fixedly connected with top board extension plate 2 is: top board 1.1 and top board extension plate 2 are welded to connect, or top board 1.1 is formed with top board extension plate 2 monoblock cast.
The concrete mode that the basin of the end described in this example 1.2 is fixedly connected with end basin extension plate 3 is: end basin 1.2 and end basin extension plate 3 are welded to connect, or end basin 1.2 is formed with end basin extension plate 3 monoblock cast.
The concrete mode two faces that described in this example, adaptive support 6 is relative being all fixed with high-damping rubber ring 5 is: two faces that adaptive support 6 is relative arrange groove, and high-damping rubber ring 5 embeds adaptation by ring projection and supports in the groove of 6.
During installation, the utility model is fixed by the anchor bolt and top board being embedded in girder in advance, is fixed by the anchor bolt and end basin being embedded in bridge pier in advance.Under geological process, when the girder amount of exercise of bridge is greater than the interval between block 4 and high-damping rubber ring 5, block 4 and high-damping rubber ring 5 retrain the displacement of girder, and make multiple bridge pier co-operation.

Claims (4)

1. the movable pot rubber bearing of high-damping rubber ring spacing one-way, comprise one-way movable basin type rubber (1), it is characterized in that: be fixedly connected with top board extension plate (2) in two inactive sides of the top board (1.1) of one-way movable basin type rubber (1), the bottom surface suspending stop (4) of top board extension plate (2); Two inactive sides of the end basin (1.2) of one-way movable basin type rubber (1) are fixedly connected with end basin extension plate (3), the upper surface at end basin extension plate (3) welds two adaptive supports (6), and adaptive support on two relative faces of (6) is all fixed with high-damping rubber ring (5); Block (4) is positioned between two high-damping rubber rings (5), and the interval between block (4) and two high-damping rubber rings (5) is 50-300mm.
2. the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way according to claim 1, it is characterized in that: the concrete mode that described top board (1.1) is fixedly connected with top board extension plate (2) is: top board (1.1) and top board extension plate (2) are welded to connect, or top board (1.1) is formed with top board extension plate (2) monoblock cast.
3. the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way according to claim 1, it is characterized in that: the concrete mode that basin of the described end (1.2) was fixedly connected with end basin extension plate (3) is: end basin (1.2) and end basin extension plate (3) are welded to connect, or end basin (1.2) is formed with end basin extension plate (3) monoblock cast.
4. the movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way according to claim 1, it is characterized in that: described adaptation supports the concrete mode two relative faces of (6) being all fixed with high-damping rubber ring (5) and is: adaptive support on two relative faces of (6) arranges groove, and high-damping rubber ring (5) is embedded in the adaptive groove supporting (6) by ring projection.
CN201520286132.5U 2015-05-06 2015-05-06 The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way CN204676413U (en)

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CN201520286132.5U CN204676413U (en) 2015-05-06 2015-05-06 The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way

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Application Number Priority Date Filing Date Title
CN201520286132.5U CN204676413U (en) 2015-05-06 2015-05-06 The movable pot rubber bearing of a kind of high-damping rubber ring spacing one-way

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790292A (en) * 2015-05-06 2015-07-22 西南交通大学 High-damping rubber ring limiting one-way movable pot type rubber bearing
CN106869019A (en) * 2017-04-26 2017-06-20 刘丽 A kind of highway bridge pot rubber bearing of unidirectional movement
CN108755396A (en) * 2017-04-26 2018-11-06 刘丽 A kind of Buffer Unit for the highway bridge benzvalene form cushioning support-saddle that damping property is high

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790292A (en) * 2015-05-06 2015-07-22 西南交通大学 High-damping rubber ring limiting one-way movable pot type rubber bearing
CN106869019A (en) * 2017-04-26 2017-06-20 刘丽 A kind of highway bridge pot rubber bearing of unidirectional movement
CN106869019B (en) * 2017-04-26 2018-08-03 河北省衡水黄河工程橡塑有限公司 A kind of highway bridge pot rubber bearing unidirectionally moved
CN108755396A (en) * 2017-04-26 2018-11-06 刘丽 A kind of Buffer Unit for the highway bridge benzvalene form cushioning support-saddle that damping property is high
CN108755396B (en) * 2017-04-26 2019-10-22 杭州天时亿科技有限公司 A kind of buffer limit component for the highway bridge benzvalene form cushioning support-saddle that damping property is high

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150930

Termination date: 20190506

CF01 Termination of patent right due to non-payment of annual fee