CN202099738U - Large displacement multi-directional deflection comb tooth-type bridge expansion device - Google Patents

Large displacement multi-directional deflection comb tooth-type bridge expansion device Download PDF

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Publication number
CN202099738U
CN202099738U CN2011201603328U CN201120160332U CN202099738U CN 202099738 U CN202099738 U CN 202099738U CN 2011201603328 U CN2011201603328 U CN 2011201603328U CN 201120160332 U CN201120160332 U CN 201120160332U CN 202099738 U CN202099738 U CN 202099738U
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CN
China
Prior art keywords
plate
movable comb
comb plate
directional deflection
movable
Prior art date
Application number
CN2011201603328U
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Chinese (zh)
Inventor
张强
熊劲松
邹贻军
焦红林
李雄
杨柳
Original Assignee
成都市新筑路桥机械股份有限公司
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Application filed by 成都市新筑路桥机械股份有限公司 filed Critical 成都市新筑路桥机械股份有限公司
Priority to CN2011201603328U priority Critical patent/CN202099738U/en
Application granted granted Critical
Publication of CN202099738U publication Critical patent/CN202099738U/en

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Abstract

The utility model discloses a large displacement multi-directional deflection comb tooth-type bridge expansion device, which comprises a fixed comb plate (1) and a movable comb plate (5), wherein, the fixed comb plate (1) and the movable comb plate (5) are respectively arranged on bridge bodies on both sides of a bridge expansion joint; comb teeth of the fixed comb plate (1) and the comb teeth of the movable comb plate (5) are arranged at intervals in a mutually crossing manner; a support saddle (4) is arranged at the lower part of a comb tooth end of the movable comb plate (5); a slide plate component (2) is arranged at the lower part of the support saddle (4); and a support seat (9) is arranged at the root part of the support saddle (4). The large displacement multi-directional deflection comb tooth-type bridge expansion device has the advantages of good running safety and long service life.

Description

A kind of big displacement multi-directional deflection interdigitated electrode structure bridge extension joint
Technical field
The utility model belongs to the highway bridge technical field, relates to a kind of big displacement multi-directional deflection interdigitated electrode structure bridge extension joint.
Background technology
In the existing bridge extension joint, the interdigitated electrode structure stretching device is used comparatively extensive in the suspension bridge of striding the footpath greatly, cable stayed bridge owing to have excellent multidirectional displacement capabilities.
Traditional interdigitated electrode structure stretching device can satisfy the beam body along bridge to elongation and contraction; Have characteristics such as driving is smooth-going, impact force is little; But traditional interdigitated electrode structure stretching device does not have the ability of multi-directional deflection; When the beam body produces laterally, during vertical, torsional deflection, the broach of the stretching device destruction of wrecking easily can have a strong impact on traffic safety.
In order to satisfy the requirement that bridge vertically, laterally reaches torsional deflection, existing interdigitated electrode structure bridge extension joint has adopted relatively turnable connected mode between the root of movable comb plate and seat board.The existing mode comparative maturity that is rotationally connected, type is also many, mainly contains: the vertebral body form of rotating shaft form, spherical rotating nut form, band cambered surface, or the like.The interdigitated electrode structure stretching device of these types; Though their connected mode has nothing in common with each other, a common characteristic is all arranged, promptly the root of movable comb plate is provided with rotation seat; Correct combination through rotation seat and mounting hole; Make the interdigitated electrode structure stretching device have vertical preferably, horizontal, torsional deflection ability, be applicable to suspension bridge, cable stayed bridge, changeable position such as arc bridge bridge.
Though existing interdigitated electrode structure stretching device has the ability of multi-directional deflection, but still the defective below existing.If these defectives are not solved, will have a strong impact on the application life and the traffic safety of interdigitated electrode structure stretching device.
Defective 1: when bridge generation vertical deflection, relative inconsistent phenomenon still can take place in movable broach and fixed fingers, and the broach of dislocation causes the jumping car easily, influences traffic safety.
Existing interdigitated electrode structure is flexible to be contained in when the generation of beam body is vertical rotates; Movable comb plate can relatively rotate, and after the rotation, movable comb plate root and broach end can form certain gradient; This can cause movable broach and fixed fingers not on same plane, and promptly broach has produced dislocation.When vertical rotation was big, inconsistent phenomenon was very obvious, can cause the jumping car, the serious threat traffic safety.
Defective 2: the problem of not considering the stretching device waterproof.
Existing interdigitated electrode structure stretching device is in order to satisfy the rotation needs, and the root of movable comb plate must be reserved certain running clearance, and the size in gap is relevant with the size and the bridge corner of stretching device displacement.Because the existence of running clearance, rainwater are easy to get into rotation seat, cause the rotation seat corrosion failure, the application life of reducing stretching device greatly through the gap.
Defective 3: deslagging device is not set, and dust and other impurities gets into slide plane easily, has a strong impact on the application life of stretching device.
From structure and principle, the interdigitated electrode structure stretching device self has certain slagging-off ability, but through facts have proved; The slagging-off ability of interdigitated electrode structure stretching device self is limited; In the use of reality, dust, hard foreign material are easy to get into slide plane, under the effect back and forth of movable broach; Slide plane is easy to destroy, and can shorten the application life of stretching device.Existing a lot of interdigitated electrode structure stretching device has all been ignored this point.
The utility model content
The goal of the invention of the utility model is: to the problem of above-mentioned existence, provide a kind of and be skillfully constructed, simple in structure, travel safety good, the big displacement multi-directional deflection interdigitated electrode structure bridge extension joint of long service life.
For realizing above-mentioned purpose, the utility model solves the technical scheme that its technical problem adopted and is:
The big displacement comb teeth shape of a kind of multi-directional deflection bridge extension joint; Comprise fixed fingers plate and movable comb plate; Said fixed fingers plate and movable comb plate are separately positioned on the two curb girder bodies of bridge expanssion joint, the mutual transpostion interval setting of the broach of fixed fingers plate and the broach of movable comb plate, and the nose of comb below of said movable comb plate is provided with bearing; The below of said bearing is provided with skateboard component, and the root of said movable comb plate is provided with supporting base.
As optimal way, said bearing comprises elastic supporting block and the wear-resisting slide plate that fits tightly.
As optimal way, the root of said movable comb plate is provided with water-tight device.
As optimal way, said water-tight device comprises deformed steel and rubber seal strip, is connected through rubber seal strip between the deformed steel or between the heterotypic die space of deformed steel and movable comb plate root.
As optimal way, be provided with tensile device between said supporting base and the movable comb plate.
As optimal way, the broach front end and the tooth root of said movable comb plate are provided with deslagging device.
As optimal way, said deslagging device comprises that elasticity removes clinker, press strip and housing screw, and said elasticity is removed clinker and is fixed on broach front end and tooth root through press strip and housing screw.
The utility model is provided with bearing in the nose of comb of the movable comb plate of comb teeth shape stretching device bottom, and the stress model of movable comb plate is reduced to the simply supported beam form, when the beam body vertically rotates, can effectively prevent the generation of broach inconsistent phenomenon.Because the nose of comb of movable comb plate bottom is provided with bearing, this bearing mainly is made up of elastic supporting block and wear-resisting slide plate, and elastic supporting block can effectively absorb the impact force of car load.Movable comb plate nose of comb on skateboard component, has certain clearance between movable comb plate and the skateboard component through the bearing false bearing.Owing to have the gap between the two, stayed rotation space for the vertical rotation of movable comb plate just.Because movable comb plate has rotation space, when the beam body takes place by vertical the rotation, the broach of movable comb plate and fixed fingers plate broach will can not produce dislocation.Therefore adopt this structure of the present invention can not only improve ability of vertical deflection, but also can effectively avoid the generation of broach inconsistent phenomenon, improve traveling security.
Beam-ends is provided with waterproof adhesive tape between the gap, can effectively prevent rain erosion beam-ends substructure.Supporting base is arranged on movable comb plate root, through the shear strain of rubber in the supporting base, can well adapt to vertical, horizontal, the torsional deflection of bridge, and utilize the elasticity of rubber can also effectively absorb vehicle-mounted impact force.Supporting base is fixed in second U-bolt and the welding of beam body embedded bar.
Movable end is provided with tensile device near the beam-ends gap location, and one of which end and movable comb plate are fixed, and its other end is connected with the fixed end of supporting base.When assembling, tensile device is applied certain pretightning force in advance, the wear-resisting slide plate and the skateboard component of bearing are fit together closely; When vehicle passes through stretching device; Tensile device can effectively absorb vehicle-mounted bounce, when bridge produces vertical deflection, can prevent effectively that movable comb plate and skateboard component from coming to nothing; Avoid causing the jumping car, supporting base is played a protective role.
The utility model is provided with water-tight device at the root of the movable comb plate of comb teeth shape stretching device, and this water-tight device promptly has good waterproof effect, also can not influence the rotation of activity comb plate simultaneously.This water-tight device comprises deformed steel and rubber seal strip.A kind of mode is: the root of movable comb plate is extended with heterotypic die space, is connected through rubber seal strip between deformed steel and the heterotypic die space.Another kind of mode is: a deformed steel is welded on the root front end of movable comb plate, and is placed on the bearing plate, and movable comb plate links to each other with supporting base through bolt with bearing plate; And move with supporting base; Another root deformed steel is placed on the supporting riser, and through holdfast and concreting together, the rubber seal strip assembly is in the die cavity of deformed steel; Form sealing reliably; Have good waterproof effect, can effectively avoid supporting base to receive the erosion of rainwater, the application life of having guaranteed stretching device.
The utility model is provided with deslagging device at the broach front end and the tooth root of the movable comb plate of comb teeth shape stretching device.Elasticity is removed clinker and is had good elasticity, can not influence the lateral rotation of stretching device, and its material can be rubber, polyurethane etc.Elasticity is removed clinker and is fixed on broach front end and tooth root through press strip and housing screw.After deslagging device was set, the stretching device slagging-off was very capable, can effectively avoid hard foreign material to get into slide plane, and stretching device is damaged, and improved the application life of stretching device.First U-bolt and the welding of beam body embedded bar and concrete pouring are anchored at beam-ends with the fixed fingers plate together.
The beneficial effect of the utility model is: the utility model stretching device travel safety is good, long service life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the water-tight device partial enlarged drawing of embodiment 1;
Fig. 5 is the water-tight device partial enlarged drawing of embodiment 2;
Fig. 6 is the bearing partial enlarged drawing;
Fig. 7 is the deslagging device partial enlarged drawing.
Mark among the figure: 1 fixed fingers plate, 2 skateboard components, 3 deslagging devices, 3-1 elasticity are removed clinker, 3-2 press strip, 3-3 screw, 4 bearings, 4-1 elastic supporting block, the wear-resisting slide plate of 4-2,5 movable comb plates, 6 first U-bolts, 7 waterproof adhesive tapes, 8 tensile devices, 9 supporting bases, 10 second U-bolts, 11 bearing plates, 12 water-tight devices, 12-1 deformed steel, 12-2 rubber weather strip, 13 supporting risers.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment 1: shown in Fig. 1-4,6-7; The big displacement comb teeth shape of a kind of multi-directional deflection bridge extension joint; Comprise fixed fingers plate 1 and movable comb plate 5; Said fixed fingers plate 1 is separately positioned on the two curb girder bodies of bridge expanssion joint with movable comb plate 5, and the mutual transpostion interval setting of the broach of the broach of fixed fingers plate 1 and movable comb plate 5 is characterized in that: the nose of comb below of said movable comb plate 5 is provided with bearing 4; The below of said bearing 4 is provided with skateboard component 2, and the root of said movable comb plate 5 is provided with supporting base 9.
Said bearing 4 comprises elastic supporting block 4-1 and the wear-resisting slide plate 4-2 that fits tightly.The broach front end and the tooth root of said fixed fingers plate 1 are provided with deslagging device 3.Said deslagging device 3 comprises that elasticity removes clinker 3-1, press strip 3-2 and housing screw 3-3, and said elasticity is removed clinker 3-1 and is fixed on broach front end and tooth root through press strip 3-2 and housing screw 3-3.Be provided with tensile device 7 between said supporting base 9 and the movable comb plate 5.The root of said movable comb plate 5 is provided with water-tight device 12.Said water-tight device 12 comprises deformed steel 12-1 and rubber seal strip 12-2, connects through rubber seal strip 12-2 between the deformed steel 12-1.
Embodiment 2: shown in Fig. 1-3,5-7; The big displacement comb teeth shape of a kind of multi-directional deflection bridge extension joint; Comprise fixed fingers plate 1 and movable comb plate 5; Said fixed fingers plate 1 is separately positioned on the two curb girder bodies of bridge expanssion joint with movable comb plate 5, and the mutual transpostion interval setting of the broach of the broach of fixed fingers plate 1 and movable comb plate 5 is characterized in that: the nose of comb below of said movable comb plate 5 is provided with bearing 4; The below of said bearing 4 is provided with skateboard component 2, and the root of said movable comb plate 5 is provided with supporting base 9.
Said bearing 4 comprises elastic supporting block 4-1 and the wear-resisting slide plate 4-2 that fits tightly.The broach front end and the tooth root of said movable comb plate 5 are provided with deslagging device 3.Said deslagging device 3 comprises that elasticity removes clinker 3-1, press strip 3-2 and housing screw 3-3, and said elasticity is removed clinker 3-1 and is fixed on the nose of comb front end through press strip 3-2 and housing screw 3-3.Be provided with tensile device 7 between said supporting base 9 and the movable comb plate 5.The root of said movable comb plate 5 is processed with heterotypic die space, and the root of described movable comb plate 5 is provided with water-tight device 12.Said water-tight device 12 comprises deformed steel 12-1 and rubber seal strip 12-2.Be connected through rubber seal strip 12-2 between the heterotypic die space of deformed steel 12-1 and movable comb plate root.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (8)

1. the big displacement comb teeth shape of multi-directional deflection bridge extension joint; Comprise fixed fingers plate (1) and movable comb plate (5); Said fixed fingers plate (1) and movable comb plate (5) are separately positioned on the two curb girder bodies of bridge expanssion joint; The mutual transpostion interval setting of the broach of the broach of fixed fingers plate (1) and movable comb plate (5); It is characterized in that: the nose of comb below of said movable comb plate (5) is provided with bearing (4), and the below of said slip neoprene bearing (4) is provided with skateboard component (2), and the root of said movable comb plate (5) is provided with supporting base (9).
2. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 1 bridge extension joint, it is characterized in that: the root of said movable comb plate (5) is provided with water-tight device (12).
3. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 1 bridge extension joint is characterized in that: said bearing (4) comprises elastic supporting block (4-1) and the wear-resisting slide plate (4-2) that fits tightly.
4. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 2 bridge extension joint; It is characterized in that: said water-tight device (12) comprises deformed steel (12-1) and rubber seal strip (12-2), connects through rubber seal strip (12-2) between the deformed steel (12-1).
5. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 2 bridge extension joint; It is characterized in that: said water-tight device (12) comprises deformed steel (12-1) and rubber seal strip (12-2); The root of said movable comb plate (5) is extended with heterotypic die space, is connected through rubber seal strip (12-2) between deformed steel (12-1) and the heterotypic die space.
6. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 1 bridge extension joint is characterized in that: be provided with tensile device (7) between said supporting base (9) and the movable comb plate (5).
7. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 1 bridge extension joint, it is characterized in that: the broach front end of said movable comb plate (5) and tooth root are provided with deslagging device (3).
8. the big displacement comb teeth shape of a kind of multi-directional deflection as claimed in claim 7 bridge extension joint; It is characterized in that: said deslagging device (3) comprises that elasticity removes clinker (3-1), press strip (3-2) and housing screw (3-3), and said elasticity is removed clinker (3-1) and is fixed on broach front end and tooth root through press strip (3-2) and housing screw (3-3).
CN2011201603328U 2011-05-19 2011-05-19 Large displacement multi-directional deflection comb tooth-type bridge expansion device CN202099738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201603328U CN202099738U (en) 2011-05-19 2011-05-19 Large displacement multi-directional deflection comb tooth-type bridge expansion device

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Application Number Priority Date Filing Date Title
CN2011201603328U CN202099738U (en) 2011-05-19 2011-05-19 Large displacement multi-directional deflection comb tooth-type bridge expansion device

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Publication Number Publication Date
CN202099738U true CN202099738U (en) 2012-01-04

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296531A (en) * 2011-05-19 2011-12-28 成都市新筑路桥机械股份有限公司 Large-displacement comb-type bridge expansion device with capability of multidirectional dislocation
CN102767135A (en) * 2012-07-20 2012-11-07 武汉臣基工程科技有限公司 Bridge expansion joint with multidirectional displacement function
CN102767136A (en) * 2012-08-15 2012-11-07 上海汇城建筑装饰有限公司 Anti-seismic small deformation expansion device of comb plate
CN102767137A (en) * 2012-08-15 2012-11-07 上海汇城建筑装饰有限公司 Anti-seismic large deformation expansion device of comb plate
CN103352423A (en) * 2013-07-24 2013-10-16 宁波路宝科技实业集团有限公司 Anti-earthquake-displacement bridge expansion joint device
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296531A (en) * 2011-05-19 2011-12-28 成都市新筑路桥机械股份有限公司 Large-displacement comb-type bridge expansion device with capability of multidirectional dislocation
CN102296531B (en) * 2011-05-19 2013-10-30 成都市新筑路桥机械股份有限公司 Large-displacement comb-type bridge expansion device with capability of multidirectional dislocation
CN102767135A (en) * 2012-07-20 2012-11-07 武汉臣基工程科技有限公司 Bridge expansion joint with multidirectional displacement function
CN102767135B (en) * 2012-07-20 2014-06-25 武汉臣基工程科技有限公司 Bridge expansion joint with multidirectional displacement function
CN102767136A (en) * 2012-08-15 2012-11-07 上海汇城建筑装饰有限公司 Anti-seismic small deformation expansion device of comb plate
CN102767137A (en) * 2012-08-15 2012-11-07 上海汇城建筑装饰有限公司 Anti-seismic large deformation expansion device of comb plate
CN102767137B (en) * 2012-08-15 2014-09-03 上海汇城建筑装饰有限公司 Anti-seismic large deformation expansion device of comb plate
CN102767136B (en) * 2012-08-15 2014-09-03 上海汇城建筑装饰有限公司 Anti-seismic small deformation expansion device of comb plate
CN103352423A (en) * 2013-07-24 2013-10-16 宁波路宝科技实业集团有限公司 Anti-earthquake-displacement bridge expansion joint device
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device

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AV01 Patent right actively abandoned

Granted publication date: 20120104

Effective date of abandoning: 20131030

RGAV Abandon patent right to avoid regrant