CN103321142A - Bush-type tensile spherical bearing - Google Patents

Bush-type tensile spherical bearing Download PDF

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Publication number
CN103321142A
CN103321142A CN2013102495150A CN201310249515A CN103321142A CN 103321142 A CN103321142 A CN 103321142A CN 2013102495150 A CN2013102495150 A CN 2013102495150A CN 201310249515 A CN201310249515 A CN 201310249515A CN 103321142 A CN103321142 A CN 103321142A
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China
Prior art keywords
plate
bearing
spherical
bush
shape
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CN2013102495150A
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Chinese (zh)
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CN103321142B (en
Inventor
高双全
季文涛
宫小能
张保忠
魏安生
李英娣
周笑
刘井通
孙其战
王庆培
郭勇
邓乃伏
石新英
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Shenzhen Municipal Design and Research Institute Co Ltd
Original Assignee
HENGSHUI ZHONGTIEJIAN ENGNIEERING RUBBER CO Ltd
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Priority to CN201310249515.0A priority Critical patent/CN103321142B/en
Publication of CN103321142A publication Critical patent/CN103321142A/en
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Publication of CN103321142B publication Critical patent/CN103321142B/en
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Abstract

The invention belongs to the technical field of bridge bearings and particularly discloses a bush-type tensile spherical bearing. The technical scheme of the bush-type tensile spherical bearing is characterized in that the bush-type tensile spherical bearing comprises an upper bearing plate, a lower bearing plate and a middle steel lining plate, wherein the upper bearing plate is fixedly connected with a beam body and a pier, the upper plate surface of the lower bearing plate is a spherical cap surface, the middle steel lining plate is arranged between the upper bearing plate and the lower bearing plate, the upper plate surface of the middle lining plate is of a plane shape, the lower plate surface of the middle lining plate is a corresponding spherical surface, and a bucket ring with a pressing plate ring fixed at the bottom is arranged on the circumference of the upper bearing plate; the lower bearing plate is composed of an upper section and a lower section, the upper section is sleeved inside the bucket ring in the upper bearing plate and of an inverted circular truncated cone shape, the side surface of the upper section is arch-shaped, the lower section is columnar, and a matching spherical lining ring with a triangular cross section is arranged between the pressing plate ring and the side surface of the inverted circular truncated cone shape of the upper section of the lower bearing plate. The bush-type tensile spherical bearing of the structure can effectively overcome contact stress of stress concentration of points or lines and the like, and can guarantee the safety of usage and the service life of the bearing.

Description

A kind of bush type Anti-pull ball shape support base
Technical field
The invention belongs to bridge pad device technique field, disclose specifically a kind of bush type Anti-pull ball shape support base.
Background technology
In bridge construction, bearing is the vitals that connects bridge superstructure and substructure, at first must have enough bearing capacities to guarantee safe and reliable end reaction (vertical force and horizontal force) being passed to substructure; Secondly bearing to the constraint of bridge deformation (displacement and corner) should be as much as possible little with the free-extension that adapts to the beam body and the needs of rotation, otherwise will produce time internal force for its inside of statically-indeterminate structure, to the structure injury, shortening structure application life greatly.But in the structure of bridge, bridge pad be except bearing the pressure, also to bear vertically upward draw (pulling out) power; The structure of present employed mode tensile supporting seat comprises that upper bracket plate, upper face that the border is provided with bucket circle are that the lower support plate of spherical crown surface and the upper face that is arranged between the two are middle steel liner plate plane, that lower face is corresponding spherical, be provided with the support of integrative-structure on the wherein said bucket circle, this supports the corresponding function that tightens with the anti-pulling that realizes bearing of lower support plate.But because in the engineering that realizes anti-pulling, bearing can be subject to level to power, and this level to power can cause supporting with lower support plate between the line of pressure-bearing contact surface contact even the some contact, and the phenomenon that can cause the stress between upper and lower support plate to concentrate, bearing occurs very soon damaging and loses the effect of tension, and the integral body of bridge is in danger.
The content of invention
Purpose of the present invention just provides and a kind ofly can satisfy the bush type Anti-pull ball shape support base that tension requires to resist simultaneously again large horizontal force.
Realize that the technical scheme that above-mentioned purpose of the present invention proposes is:
A kind of bush type Anti-pull ball shape support base, comprise to be respectively that the lower support plate of spherical crown surface and the upper face that is arranged between the two are that plane lower face is the middle steel liner plate of corresponding spherical with upper bracket plate, the upper face that the beam body is fixedly connected with bridge pier, wherein, described upper bracket plate border is provided with the bucket circle; Described upper bracket plate bucket circle bottom is fixed with pressure plate loop, described lower support plate is that circular-arc upper joint and the lower joint that is column consist of by its side of shape of falling from power that is of being inserted in the described upper bracket plate in the bucket circle, saves to fall from power with lower support plate at described pressure plate loop to be provided with the sphere lining ring that the cross section that is complementary with it is triangular shape between the shape side.
In addition, consist of the structure of above-mentioned a kind of bush type Anti-pull ball shape support base, be provided with corrosion resistant plate on the top board of described upper bracket plate, with the flat frictional pair that is arranged at the modified ultra-high molecular weight polyethylene slide plate formation on the middle steel liner plate upper face; Be provided with the spherical crown chromium coating in the middle of described on the steel liner plate lower face and consist of the spherical crown friction pair with the modified ultra-high molecular weight polyethylene slide plate of the ball crown type of the corresponding setting of upper face of described lower support plate.
A kind of bush type Anti-pull ball shape support base provided by the present invention, compared with prior art have the following advantages: one, owing to saving to fall from power with lower support plate at the pressure plate loop that consists of this bearing and being provided with the independently sphere lining ring that the cross section that is complementary with it is triangular shape between the shape side, so that consist of the upper bracket plate of this bearing and lower support plate in the transmittance process of power, the sphere lining ring can remain at the interior contact surface of bearing angle range and be always sphere-contact, effectively overcomes the contact stress appearance that appearance point or line iso-stress are concentrated; Particularly when being subjected to pulling force, even superstructure unstable appearance rocks, the tension contact surface still can keep good stress, can guarantee use safety and the life-span of bearing; Its two owing to being provided with corrosion resistant plate on the top board of above-mentioned upper bracket plate, and the flat frictional pair that the modified ultra-high molecular weight polyethylene slide plate on the steel liner plate upper face consists of in the middle of being arranged at is conducive to the sliding friction of the two; Be provided with the spherical crown chromium coating on the middle steel liner plate lower face and consist of the spherical crown friction pair with the modified ultra-high molecular weight polyethylene slide plate of the ball crown type of the corresponding setting of upper face of lower support plate, effectively reduce the friction factor with the modified ultra-high molecular weight polyethylene slide plate, and reduce abrasion.
Description of drawings
Fig. 1: the structural representation of bush type Anti-pull ball shape support base provided by the present invention.
The specific embodiment
Be described in further detail below in conjunction with the structure of accompanying drawing to a kind of bush type Anti-pull ball shape support base provided by the invention:
Be illustrated in figure 1 as the structural representation of a kind of bush type Anti-pull ball shape support base provided by the present invention, its structure comprises that the upper bracket plate 1 that can be provided with the border that the beam body is fixedly connected with bucket circle 11, the upper face that can be fixedly connected with bridge pier are that the lower support plate 4 of spherical 81 and the upper face that is arranged between the two are middle steel liner plate 2 plane, that lower face is corresponding spherical, and wherein above-mentioned lower support plate 4 consists of for circular-arc upper joint 41 and the lower joint 42 that is column by being inserted in being in 1 barrel of circle of described upper bracket plate its side 43 of shape of falling from power; Be fixed with pressure plate loop 7 in the bottom of said bucket circle, this pressure plate loop and consist of on the lower support plate joint and fall from power and be provided with the spherical bushing 3 that the cross section that is complementary with it is triangular shape between circular-arc side.Be provided with modified ultra-high molecular weight polyethylene plane slide plate 5 and modified ultra-high molecular weight polyethylene sphere slide plate 6 composition revolute pairs between above-mentioned upper bracket plate and middle steel liner plate and between middle steel liner plate and lower support plate, be used for realizing the angle turning function of bearing.
Its concrete principle is: when this bridge pad is subject to vertically upward tensile force f, pulling force passes to the upper bracket plate by the beam bottom structure, the upper bracket plate is delivered to spherical bushing through the pressure plate loop that is attached thereto, pass to the formation lower support plate by this spherical bushing again and be the circular-arc side 43 of saving on the shape of falling from power, then pass to the fine strain of millet pier by lower support plate, thereby finish the transmittance process of pulling force.In the transmittance process of pulling force, because spherical bushing is member independently, therefore can guarantee in the bearing angle range, the contact surface of the circular-arc side of saving on spherical bushing and the lower support plate is always sphere-contact, therefore avoided between the two appearance point or the concentrated contact stress appearance of line iso-stress; Particularly be subject to vertically to pulling force and during horizontal pull, when even rocking appears in the bridge beam body structure that the upper bracket plate of formation bearing connects, the tension contact surface that is made of the contact surface of the circular-arc side of saving on the lower support plate still can keep uniform stress, thereby has guaranteed use safety and the life-span of bearing.

Claims (2)

1. bush type Anti-pull ball shape support base, comprise to be respectively that the lower support plate of spherical crown surface and the upper face that is arranged between the two are that plane lower face is the middle steel liner plate of corresponding spherical with upper bracket plate, the upper face that the beam body is fixedly connected with bridge pier, wherein, described upper bracket plate border is provided with the bucket circle; It is characterized in that: described upper bracket plate bucket circle bottom is fixed with pressure plate loop, described lower support plate is that circular-arc upper joint and the lower joint that is column consist of by its side of shape of falling from power that is of being inserted in the described upper bracket plate in the bucket circle, saves to fall from power with lower support plate at described pressure plate loop to be provided with the sphere lining ring that the cross section that is complementary with it is triangular shape between the shape side.
2. a kind of bush type Anti-pull ball shape support base as claimed in claim 1 is characterized in that: be provided with corrosion resistant plate on the top board of described upper bracket plate, with the flat frictional pair that is arranged at the modified ultra-high molecular weight polyethylene formation on the middle steel liner plate upper face; Be provided with the spherical crown chromium coating in the middle of described on the steel liner plate lower face and consist of the spherical crown friction pair with the modified ultra-high molecular weight polyethylene of the ball crown type of the corresponding setting of upper face of described lower support plate.
CN201310249515.0A 2013-06-23 2013-06-23 A kind of bush type Anti-pull ball shape support base Active CN103321142B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310249515.0A CN103321142B (en) 2013-06-23 2013-06-23 A kind of bush type Anti-pull ball shape support base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310249515.0A CN103321142B (en) 2013-06-23 2013-06-23 A kind of bush type Anti-pull ball shape support base

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CN103321142A true CN103321142A (en) 2013-09-25
CN103321142B CN103321142B (en) 2015-11-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019535A (en) * 2014-06-24 2014-09-03 珠海格力电器股份有限公司 Wall-mounted air conditioner
CN104032834A (en) * 2014-06-05 2014-09-10 南京工业大学 Friction pendulum support equipped with annular steel plates
CN106996078A (en) * 2017-05-15 2017-08-01 中国铁路设计集团有限公司 Bridge anti-pulling anti-fall girder apparatus
CN109322243A (en) * 2017-07-31 2019-02-12 株洲时代新材料科技股份有限公司 A kind of antidumping support
CN110177495A (en) * 2016-12-28 2019-08-27 欧姆龙株式会社 Sphygmomanometer, blood pressure measuring method and equipment

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Publication number Priority date Publication date Assignee Title
CN1382873A (en) * 2001-09-04 2002-12-04 上海磁悬浮交通发展有限公司 Regulatable supporter
CN2554224Y (en) * 2002-06-27 2003-06-04 中国路桥(集团)新津筑路机械厂 Lateral rocker type tensil, shear ball bridge bearing
CN200940256Y (en) * 2006-08-28 2007-08-29 崔玲 Bending moment supporting base with function of anti-pulling releasing
JP2008095346A (en) * 2006-10-10 2008-04-24 Kawaguchi Metal Industries Co Ltd Steel bearing
CN101210413A (en) * 2006-12-29 2008-07-02 上海磁浮交通工程技术研究中心 Tensile adjustable connection mechanism for orbit beam
CN201132933Y (en) * 2007-12-07 2008-10-15 衡水橡胶股份有限公司 Antivibration ball type bearing for bridge
CN201165634Y (en) * 2008-03-19 2008-12-17 洛阳双瑞特钢科技有限公司 Tensile pot bearing capable of supporting vertical tensile force and horizontal shear force, and of rotating unidirectionally
CN201265141Y (en) * 2008-09-23 2009-07-01 衡水中铁建工程橡胶有限责任公司 City light rail ball type bearing
CN201459599U (en) * 2009-07-29 2010-05-12 衡水橡胶股份有限公司 Tension-compression spherical bridle iron
CN203320407U (en) * 2013-06-23 2013-12-04 衡水中铁建工程橡胶有限责任公司 Bushing type tensile spherical support

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1382873A (en) * 2001-09-04 2002-12-04 上海磁悬浮交通发展有限公司 Regulatable supporter
CN2554224Y (en) * 2002-06-27 2003-06-04 中国路桥(集团)新津筑路机械厂 Lateral rocker type tensil, shear ball bridge bearing
CN200940256Y (en) * 2006-08-28 2007-08-29 崔玲 Bending moment supporting base with function of anti-pulling releasing
JP2008095346A (en) * 2006-10-10 2008-04-24 Kawaguchi Metal Industries Co Ltd Steel bearing
CN101210413A (en) * 2006-12-29 2008-07-02 上海磁浮交通工程技术研究中心 Tensile adjustable connection mechanism for orbit beam
CN201132933Y (en) * 2007-12-07 2008-10-15 衡水橡胶股份有限公司 Antivibration ball type bearing for bridge
CN201165634Y (en) * 2008-03-19 2008-12-17 洛阳双瑞特钢科技有限公司 Tensile pot bearing capable of supporting vertical tensile force and horizontal shear force, and of rotating unidirectionally
CN201265141Y (en) * 2008-09-23 2009-07-01 衡水中铁建工程橡胶有限责任公司 City light rail ball type bearing
CN201459599U (en) * 2009-07-29 2010-05-12 衡水橡胶股份有限公司 Tension-compression spherical bridle iron
CN203320407U (en) * 2013-06-23 2013-12-04 衡水中铁建工程橡胶有限责任公司 Bushing type tensile spherical support

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104032834A (en) * 2014-06-05 2014-09-10 南京工业大学 Friction pendulum support equipped with annular steel plates
CN104019535A (en) * 2014-06-24 2014-09-03 珠海格力电器股份有限公司 Wall-mounted air conditioner
CN104019535B (en) * 2014-06-24 2017-08-11 珠海格力电器股份有限公司 Wall-hanging air conditioner
CN110177495A (en) * 2016-12-28 2019-08-27 欧姆龙株式会社 Sphygmomanometer, blood pressure measuring method and equipment
CN106996078A (en) * 2017-05-15 2017-08-01 中国铁路设计集团有限公司 Bridge anti-pulling anti-fall girder apparatus
CN109322243A (en) * 2017-07-31 2019-02-12 株洲时代新材料科技股份有限公司 A kind of antidumping support

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Effective date of registration: 20160513

Address after: 518029, Guangdong City, Shenzhen province Sungang Futian District West Road, 3007 Municipal Design Building Annex

Patentee after: Shenzhen Municipal Design Institute Co., Ltd.

Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1

Patentee before: Hengshui Zhongtiejian Engnieering Rubber Co., Ltd.

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