CN102767137A - Anti-seismic large deformation expansion device of comb plate - Google Patents

Anti-seismic large deformation expansion device of comb plate Download PDF

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Publication number
CN102767137A
CN102767137A CN201210288830XA CN201210288830A CN102767137A CN 102767137 A CN102767137 A CN 102767137A CN 201210288830X A CN201210288830X A CN 201210288830XA CN 201210288830 A CN201210288830 A CN 201210288830A CN 102767137 A CN102767137 A CN 102767137A
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CN
China
Prior art keywords
plate
comb plate
movable comb
stainless steel
stretching
Prior art date
Application number
CN201210288830XA
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Chinese (zh)
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CN102767137B (en
Inventor
傅若梁
黄桂福
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上海汇城建筑装饰有限公司
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Priority to CN201210288830.XA priority Critical patent/CN102767137B/en
Publication of CN102767137A publication Critical patent/CN102767137A/en
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Publication of CN102767137B publication Critical patent/CN102767137B/en

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Abstract

The invention discloses an anti-seismic large deformation expansion device of a comb plate. The expansion device is characterized in that a horizontal limiting slippage mechanism is arranged on a comb tooth section of a movable comb plate; a seam crossing plate and a horizontal single-seam deformation unit are arranged at the back end of the movable comb plate; the seam crossing plate is fixedly arranged on spherical supports at two ends, and a spherical support at one end is fixedly arranged on the movable comb plate; the movable comb plate is placed on a stainless steel sliding plate together with comb teeth of a fixed comb plate in a mutual spigot and socket mode; and the movable comb plate is slidingly connected with the stainless steel sliding plate, and the fixed comb plate is fixedly connected with the stainless steel sliding plate. Compared with the prior art, the expansion device is provided with a three-dimensional deformation function which is provided with plane and vertical rotation and horizontal displacement, consistent deformation can be performed along with a bridge structure, not only deformation requirements for daily use are satisfied, but also the deformation requirements due to great longitudinal and horizontal displacement of the bridge when an earthquake happens can also be satisfied, the structure is simple, the construction is convenient, the construction cost is low, and the service life is long.

Description

A kind of antidetonation formula aximal deformation value comb plate stretching device
Technical field
The present invention relates to the bridge construction technical field, specifically a kind of antidetonation formula aximal deformation value comb plate stretching device.
Background technology
At present, China is in modernized long-span bridge beam prosperous developing period, strides the flexible bridges such as suspension bridge and cable stayed bridge in footpath greatly and rapidly builds.And be in earthquake high-risk period now, and earthquake all over the world takes place frequently, and earthquake intensity is also more and more stronger, brings very big harm to the people of the world.Can use safely in order to ensure bridge, all bridge construction taked precautions against earthquakes, as syndeton between the spanning---bridge extension joint also will be considered seismic measures.Have only the comb plate stretching device to possess the function of " 3 D deformation ", and be out of shape the requirement that magnitude will meet bridge construction " 3 D deformation " value, so just can make stretching device with the together mutual compatible deformation of bridge construction.When stretching device has satisfied not " 3 D deformation " value of bridge construction, will cause the stretching device local damage, destroy until integral body.Early stage traditional comb plate stretching device all is that movable comb plate plane rests beam body end face, and it has only the length travel function, does not possess that other is vertical, lateral displacement and each be to rotating function, and regular meeting anchor bolt occurs and breaks, situation such as broach fracture.
The domestic comb plate stretching device of also having researched and developed some aximal deformation values, but all be the stretching device that solves " two dimension distortion ", the requirement of the especially big vertical and horizontal displacement of extra-heavy when it can not satisfy earthquake, the stretching device of prior art exists following problem:
(1), the anchor bolt position on the movable comb plate is unreasonable, influences the relative lateral displacement of two curb girder bodies, do not possess especially big lateral displacement function.
(2), when two curb girder bodies take place vertically to rotate simultaneously, the tooth head of movable comb plate can produce the phenomenon of nose.
(3), in order to resist the vertical rotation nose that produces that high wind and vehicle cause; The broach of movable comb plate and fixed fingers plate is with steel plate strip adoption roll shaft or sell the form of structure that is connected directly to households, greatly reduces movable comb plate and fixed fingers plate intensity, rigidity and impact resistance.
(4), when rotate on the plane; The broach of movable comb plate produces lateral displacement, and the tooth head of swing tooth plate will promote fixed fingers plate tooth head lateral displacement, fractures in order to prevent fixed fingers plate broach; The form of structure that is connected the broach of fixed fingers plate with the vertical bearing pin of steel plate strip adoption; The lateral displacement amount has only the gap of anchor bolt hole and screw rod, and the lateral displacement amount is atomic, can't solve the lateral displacement problem.
Summary of the invention
A kind of antidetonation formula aximal deformation value comb plate stretching device that the objective of the invention is to be directed against the deficiency of prior art and design; Movable comb plate adopts tension tumbler bearing and spacing stayed mast displacement structure, makes stretching device have " three-dimensional " distortion function, can follow bridge construction compatible deformation together; Various distortion when not only satisfying daily operation; The distortion that bridge produces the vertical and horizontal very large displacement in the time of satisfying the earthquake generation again, simple in structure, easy construction; Further reduce construction costs, improve application life.
Realize that concrete technical scheme of the present invention is: a kind of antidetonation formula aximal deformation value comb plate stretching device; Comprise movable comb plate and fixed fingers plate; The comb-tooth segments that is characterized in said movable comb plate is provided with the cross spacing slipping mechanism; Its rear end is provided with transverse joint plate and horizontal single seam anamorphic attachment for cinemascope; Said horizontal single seam anamorphic attachment for cinemascope is made up of bird type rubber fastening band and " C " shaped steel, and bird type rubber fastening band is fastened on " C " shaped steel of both sides, and one of which side " C " shaped steel is fixedly connected with transverse joint plate one end face; Transverse joint plate is fixedly installed on the spherical bearing at two ends, and the spherical bearing of one of which end is fixedly installed on the rear end of movable comb plate; Movable comb plate and the mutual socket joint horizontal of fixed fingers plate broach on the stainless steel slide plate and transverse joint plate, movable comb plate and fixed fingers plate be a plane; Movable comb plate and stainless steel slide plate are for being slidingly connected; Fixed fingers plate and stainless steel slide plate are for being fixedly connected; Said cross spacing slipping mechanism is made up of stayed mast, slide block and chute; Stayed mast is the screw rod that is provided with double nut; Stayed mast is that " T " shape is vertical affixed with slide block; Stayed mast is sleeved in the chute, and its slide block and chute are for being slidingly connected, and the cross spacing slipping mechanism is fixedly connected with movable comb plate with double nut by stayed mast.
Said cross spacing slipping mechanism is the broach root that is symmetricly set on movable comb plate.
Said spherical bearing is to be symmetricly set on the unidirectional, two-way of transverse joint plate two ends or fixing tension ball steel support.
The broach root of said movable comb plate is provided with the counterbore that cooperates with double nut.
Said slide block is provided with the high-tension pad.
The stainless steel slide plate is provided with the slippage slot that cooperates with stayed mast.
The present invention compared with prior art has " three-dimensional " distortion function of plane and vertical rotation and lateral displacement; Can follow bridge construction compatible deformation together, not only satisfy various distortion needs used in everyday, the distortion that bridge produces the vertical and horizontal very large displacement in the time of satisfying the earthquake generation again; Simple in structure; Easy construction further reduces construction costs, improves application life.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a cross spacing Sliding Structures sketch map
Fig. 3 is embodiment of the invention figure
Fig. 4 is Fig. 3 vertical view
Fig. 5 is that the A-A of Fig. 3 is to sectional drawing
The specific embodiment
Consult accompanying drawing 1; The present invention includes movable comb plate 2 and fixed fingers plate 3; The comb-tooth segments of said movable comb plate 2 is provided with cross spacing slipping mechanism 9, and its rear end is provided with transverse joint plate 1 and horizontal single seam anamorphic attachment for cinemascope 10, and said horizontal single seam anamorphic attachment for cinemascope 10 is made up of bird type rubber fastening band 11 and " C " shaped steel 18; Bird type rubber fastening band 11 is fastened on " C " shaped steel 18 of both sides, and one of which side " C " shaped steel 18 is fixedly connected with transverse joint plate 1 one end faces; Transverse joint plate 1 is fixedly installed on the spherical bearing 4 at two ends, and the spherical bearing 4 of one of which end is fixedly installed on the rear end of movable comb plate 2; Movable comb plate 2 and the mutual socket joint horizontal of fixed fingers plate 3 broach on stainless steel slide plate 7 and transverse joint plate 1, movable comb plate 2 and fixed fingers plate 3 be a plane; Movable comb plate 2 and stainless steel slide plate 7 are for being slidingly connected; Fixed fingers plate 3 and stainless steel slide plate 7 are for being fixedly connected; Said cross spacing slipping mechanism 9 is fixedly connected and is symmetricly set on the broach root of movable comb plate 2 by stayed mast 91 and double nut 94 and movable comb plate 2; Said spherical bearing 4 is for being symmetricly set on the unidirectional, two-way of transverse joint plate 1 two ends or fixing tension ball steel support; The broach root of said movable comb plate 2 is provided with the counterbore 21 that cooperates with double nut 94; Said slide block 92 is provided with high-tension pad 95; Said stainless steel slide plate 7 is provided with the slippage slot 71 that cooperates with stayed mast 91.
Consult accompanying drawing 2; Said cross spacing Sliding Structures 9 is made up of stayed mast 91, slide block 92 and chute 93; Said stayed mast 91 is for being provided with the screw rod of double nut 94; Stayed mast 91 is that " T " shape is vertical affixed with slide block 92, and stayed mast 91 is sleeved in the chute 93, and its slide block 92 and chute 93 are for being slidingly connected.
Embodiment 1
Consult accompanying drawing 3 ~ accompanying drawing 5, the present invention installs by following step and construction:
, preformed groove is installed in cutting on the beam body
Cut the installation preformed groove of a curb girder body A and another curb girder body B; Main muscle, stirrup and prestress pipe in the beam body must not be damaged when digging concrete beating, and uncut bituminous concrete will be protected, the arrangement embedded bar; Guarantee pre-embedded steel slab quantity, should in time fill when damaged.
, installation spherical bearing
The position of on a curb girder body A, making two spherical bearings 4; Two 4 one of spherical bearings adopt unidirectional tension; Another adopts bidirectional stretch, and calculates different level unidirectional and bidirectional stretch spherical bearing 4 according to deck profile grade, horizontal wall inscription factor, goes up pre-embedded steel slab 41 welding to the base of spherical bearing 4 with a beam body A and fixes with connecting steel plate; And then build 4 times concrete of spherical bearing, it is closely knit to vibrate.
, install and fix comb plate and cross spacing Sliding Structures
According to the temperature and the installation broadband table of comparisons; The position of making anchor bolt 31 on the fixed fingers plate 3 with two kinds of standard calipers; And weld fixing with another curb girder body B pre-embedded steel slab 32 and installation chute 93; Should note the accuracy of its position, absolute altitude and straightness accuracy when chute 93 is installed, and will combine the bridge floor vertical and horizontal gradient to consider together, firmly weld embedded bar and stiffener in chute 73 and another curb girder body B fixing then; Then, lay stiffener net and the termination envelope mould that another curb girder body B is installed; Water and smash another curb girder body B and go up fibrous concrete, concrete is answered vibration compacting, controls the concrete pavement absolute altitude well; Disturbing concrete simultaneously; Stainless steel slide plate 7 and fixed fingers plate 3 are installed, are tightened the nut on the anchor bolt 31, note the planeness of fixed fingers plate 3 surface layers; The tape front cover is used on chute 93 surfaces before disturbing concrete; Prevent that concrete from dropping into chute 93 inner chambers, stainless steel slide plate 7 is installed in 93 last times of chute and should notes corresponding with slippage slot 71 and chute 93, builds the intermediate zone concrete 33 and the covering curing of sprinkling water of another curb girder body B.
, installation activity comb plate
The slide block 92 of welding stayed mast 91 is packed in the chute 93; Lifting activity comb plate 2 is aimed at the screw rod of stayed masts 91 with the counterbore of movable comb plate 2 21, and the mutual socket joint of broach of its broach and fixed fingers plate 3 and horizontal are on stainless steel slide plate 7; Then stayed mast 91 being inserted in counterbore 21 usefulness double nuts 94 tightens; Then, with two fixedly tension spherical bearing 4 be arranged on movable comb plate 2 rear ends, the base of spherical bearing 4 and movable comb plate 2 is welding; Then, on the shrinkage joint between a curb girder body A and another curb girder body B, rubber fastening band 8 is set, rubber fastening band 8 is fixedly connected with another curb girder body B with a curb girder body A respectively by screw.
, installation transverse joint plate
After adjusting the mounting teeth gap length degree of movable comb plate 2 transverse joint plate 1 is arranged on the spherical bearing 4 at two ends; Transverse joint plate 1 is fixedly connected with spherical bearing 4 by bolt 42; The seam crossing that then will laterally single seam anamorphic attachment for cinemascope 10 be arranged on transverse joint plate 1 and a curb girder body A, laterally single seam anamorphic attachment for cinemascope 10 both sides by " C " shaped steel 18 respectively with transverse joint plate 1 rear end face and a curb girder body A on the embedded bar welding fix; Build the intermediate zone concrete 23 of a curb girder body A and the covering curing of sprinkling water.
, comb plate surface layer are anti-skidding
On the surface layer of transverse joint plate 1, movable comb plate 2 and fixed fingers plate 3, elastic anti-slip layer 19 is set, elastic anti-slip layer 19 adopts the sprinkling polyureas to add and spreads quartz sand technology, with transverse joint plate 1, movable comb plate 2 and fixed fingers plate 3 surface layer impeller blastings; The one-component polyureas is sprayed in surface layer cleaning back, then, and spreading fine quartz sand immediately; Construction and installation finish, and treat that the maintenance expiration gets final product open to traffic, elastic anti-slip layer 19; Noise in the time of can reducing vehicle ' plays damping effect.
The present invention is transverse joint plate 1 and movable comb plate 2 with the swing tooth plate of prior art is disconnected; Transverse joint plate 1 adopts 2 sphere rotation supporting structures and is separately positioned on the two curb girder bodies; Thereby thoroughly avoided the increment nose phenomenon of movable comb plate 2; Make the movable comb plate 2 be close to beam body end face all the time, the spherical rotation supporting construction has solved vertically, the rotation of lateral displacement and three directions, for " three-dimensional " distortion provides strong member; Cross spacing slipping mechanism 9 can prevent that beating of movable comb plate 2 from upwarping, and does not influence the laterally big displacement of a curb girder body A again; When rotate on the bridge plane; When can taking place the stageds distortion with transverse joint plate 1 vertical the rotation, laterally single seam anamorphic attachment for cinemascope 10 has lateral displacement space greatly when distortion and earthquake; Satisfy plane and the vertical complex deformation needs that rotate and produced during lateral displacement greatly, can play the function of waterproof and dustproof again.
More than just the present invention being further specified, is not in order to the restriction this patent, all for the present invention's equivalence enforcement, all should be contained within the claim scope of this patent.

Claims (6)

1. antidetonation formula aximal deformation value comb plate stretching device; Comprise movable comb plate and fixed fingers plate; The comb-tooth segments that it is characterized in that said movable comb plate is provided with the cross spacing slipping mechanism, and its rear end is provided with transverse joint plate and horizontal single seam anamorphic attachment for cinemascope, and said horizontal single seam anamorphic attachment for cinemascope is made up of bird type rubber fastening band and " C " shaped steel; Bird type rubber fastening band is fastened on " C " shaped steel of both sides, and one of which side " C " shaped steel is fixedly connected with transverse joint plate one end face; Transverse joint plate is fixedly installed on the spherical bearing at two ends, and the spherical bearing of one of which end is fixedly installed on the rear end of movable comb plate; Movable comb plate and the mutual socket joint horizontal of fixed fingers plate broach on the stainless steel slide plate and transverse joint plate, movable comb plate and fixed fingers plate be a plane; Movable comb plate and stainless steel slide plate are for being slidingly connected; Fixed fingers plate and stainless steel slide plate are for being fixedly connected; Said cross spacing slipping mechanism is made up of stayed mast, slide block and chute; Stayed mast is the screw rod that is provided with double nut; Stayed mast is that " T " shape is vertical affixed with slide block; Stayed mast is sleeved in the chute, and its slide block and chute are for being slidingly connected, and the cross spacing slipping mechanism is fixedly connected with movable comb plate with double nut by stayed mast.
2. according to the said antidetonation formula of claim 1 aximal deformation value comb plate stretching device, it is characterized in that said cross spacing slipping mechanism is the broach root that is symmetricly set on movable comb plate.
3. according to the comb plate stretching device of the said antidetonation formula of claim 1 aximal deformation value, it is characterized in that said spherical bearing is to be symmetricly set on the unidirectional, two-way of transverse joint plate two ends or fixing tension ball steel support.
4. according to the said antidetonation formula of claim 1 aximal deformation value comb plate stretching device, it is characterized in that the broach root of said movable comb plate is provided with the counterbore that cooperates with double nut.
5. according to the said antidetonation formula of claim 1 aximal deformation value comb plate stretching device, it is characterized in that said slide block is provided with the high-tension pad.
6. according to the said antidetonation formula of claim 1 aximal deformation value comb plate stretching device, it is characterized in that said stainless steel slide plate is provided with the slippage slot that cooperates with stayed mast.
CN201210288830.XA 2012-08-15 2012-08-15 Anti-seismic large deformation expansion device of comb plate CN102767137B (en)

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Application Number Priority Date Filing Date Title
CN201210288830.XA CN102767137B (en) 2012-08-15 2012-08-15 Anti-seismic large deformation expansion device of comb plate

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CN102767137B CN102767137B (en) 2014-09-03

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103255710A (en) * 2013-05-21 2013-08-21 成都市新筑路桥机械股份有限公司 Centralized drainage comb-tooth bridge expansion device
CN103255711A (en) * 2013-05-21 2013-08-21 成都市新筑路桥机械股份有限公司 Split type flexure-resisting multidirectional-deflection bridge expansion device
CN103306192A (en) * 2013-06-15 2013-09-18 中南大学 Bridge space energy consumption limit device
CN103306197A (en) * 2013-05-21 2013-09-18 成都市新筑路桥机械股份有限公司 Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device
CN103422431A (en) * 2013-09-09 2013-12-04 上海汇城建筑装饰有限公司 Rubber anti-seismic comb plate stretching device
CN103526695A (en) * 2013-10-30 2014-01-22 上海汇城建筑装饰有限公司 Box-type anti-shock comb plate retractor device
CN103590329A (en) * 2013-11-25 2014-02-19 中铁第一勘察设计院集团有限公司 Expansion joint of railway prestressed concrete portion cable-stayed bridge beam end
CN103850179A (en) * 2014-03-20 2014-06-11 成都市新筑路桥机械股份有限公司 Rack type bridge expansion device
CN105256718A (en) * 2015-10-28 2016-01-20 中铁第四勘察设计院集团有限公司 Modular multidirectional displacement telescopic device and bridge
CN106522086A (en) * 2016-12-07 2017-03-22 中交铁道(武汉)建设科技有限公司 Multidirectional deflection bridge telescoping device

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JP2009138334A (en) * 2007-12-03 2009-06-25 Motonosuke Arai Expansion joint for road bridge
CN201321598Y (en) * 2008-10-30 2009-10-07 上海汇城建筑装饰有限公司 Multi-directionally displaced bridge expansion joint
CN202099738U (en) * 2011-05-19 2012-01-04 成都市新筑路桥机械股份有限公司 Large displacement multi-directional deflection comb tooth-type bridge expansion device
CN102535360A (en) * 2011-11-19 2012-07-04 常州奥兰通标识有限公司 Novel traffic section-bar indicating plate
CN102561177A (en) * 2010-12-17 2012-07-11 成都市新筑路桥机械股份有限公司 Comb teeth type anti-deflection bridge expansion device
CN202718038U (en) * 2012-08-15 2013-02-06 上海汇城建筑装饰有限公司 Seismic type large deformation comb plate retractable device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138334A (en) * 2007-12-03 2009-06-25 Motonosuke Arai Expansion joint for road bridge
CN201321598Y (en) * 2008-10-30 2009-10-07 上海汇城建筑装饰有限公司 Multi-directionally displaced bridge expansion joint
CN102561177A (en) * 2010-12-17 2012-07-11 成都市新筑路桥机械股份有限公司 Comb teeth type anti-deflection bridge expansion device
CN202099738U (en) * 2011-05-19 2012-01-04 成都市新筑路桥机械股份有限公司 Large displacement multi-directional deflection comb tooth-type bridge expansion device
CN102535360A (en) * 2011-11-19 2012-07-04 常州奥兰通标识有限公司 Novel traffic section-bar indicating plate
CN202718038U (en) * 2012-08-15 2013-02-06 上海汇城建筑装饰有限公司 Seismic type large deformation comb plate retractable device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103255710A (en) * 2013-05-21 2013-08-21 成都市新筑路桥机械股份有限公司 Centralized drainage comb-tooth bridge expansion device
CN103255711A (en) * 2013-05-21 2013-08-21 成都市新筑路桥机械股份有限公司 Split type flexure-resisting multidirectional-deflection bridge expansion device
CN103306197A (en) * 2013-05-21 2013-09-18 成都市新筑路桥机械股份有限公司 Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device
CN103255710B (en) * 2013-05-21 2015-06-10 成都市新筑路桥机械股份有限公司 Centralized drainage comb-tooth bridge expansion device
CN103306192A (en) * 2013-06-15 2013-09-18 中南大学 Bridge space energy consumption limit device
CN103422431A (en) * 2013-09-09 2013-12-04 上海汇城建筑装饰有限公司 Rubber anti-seismic comb plate stretching device
CN103422431B (en) * 2013-09-09 2015-07-29 上海汇城建筑装饰有限公司 A kind of rubber antidetonation comb plate stretching device
CN103526695A (en) * 2013-10-30 2014-01-22 上海汇城建筑装饰有限公司 Box-type anti-shock comb plate retractor device
CN103526695B (en) * 2013-10-30 2015-05-20 上海汇城建筑装饰有限公司 Box-type anti-shock comb plate retractor device
CN103590329A (en) * 2013-11-25 2014-02-19 中铁第一勘察设计院集团有限公司 Expansion joint of railway prestressed concrete portion cable-stayed bridge beam end
CN103590329B (en) * 2013-11-25 2015-12-02 中铁第一勘察设计院集团有限公司 Railway Prestressed Concrete partial cable-stayed bridge beam-ends shrinkage joint
CN103850179A (en) * 2014-03-20 2014-06-11 成都市新筑路桥机械股份有限公司 Rack type bridge expansion device
CN103850179B (en) * 2014-03-20 2015-09-30 成都市新筑路桥机械股份有限公司 Rack-and-pinion bridge extension joint
CN105256718A (en) * 2015-10-28 2016-01-20 中铁第四勘察设计院集团有限公司 Modular multidirectional displacement telescopic device and bridge
CN105256718B (en) * 2015-10-28 2016-09-21 中铁第四勘察设计院集团有限公司 Modularity multi-directional deflection retractor device and bridge
CN106522086A (en) * 2016-12-07 2017-03-22 中交铁道(武汉)建设科技有限公司 Multidirectional deflection bridge telescoping device

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