CN108660919A - A kind of heavy type twin beams modulus bridge expansion device - Google Patents

A kind of heavy type twin beams modulus bridge expansion device Download PDF

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Publication number
CN108660919A
CN108660919A CN201810731423.9A CN201810731423A CN108660919A CN 108660919 A CN108660919 A CN 108660919A CN 201810731423 A CN201810731423 A CN 201810731423A CN 108660919 A CN108660919 A CN 108660919A
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CN
China
Prior art keywords
bearing
longeron
displacement case
displacement
twin beams
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810731423.9A
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Chinese (zh)
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CN108660919B (en
Inventor
侯若敬
李淑明
罗会
高远
常丰年
卢永尊
季文涛
郭庆军
刘井通
姜建强
王石生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Tongchuang Traffic Engineering Matching Product Industry Technology Co Ltd
Hengshui Zhongtiejian Engineering Rubber Co Ltd
Original Assignee
Hebei Tongchuang Traffic Engineering Matching Product Industry Technology Co Ltd
Hengshui Zhongtiejian Engineering Rubber Co Ltd
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Application filed by Hebei Tongchuang Traffic Engineering Matching Product Industry Technology Co Ltd, Hengshui Zhongtiejian Engineering Rubber Co Ltd filed Critical Hebei Tongchuang Traffic Engineering Matching Product Industry Technology Co Ltd
Priority to CN201810731423.9A priority Critical patent/CN108660919B/en
Publication of CN108660919A publication Critical patent/CN108660919A/en
Application granted granted Critical
Publication of CN108660919B publication Critical patent/CN108660919B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/06Arrangement, construction or bridging of expansion joints
    • E01D19/062Joints having intermediate beams
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Abstract

The present invention discloses a kind of heavy twin beams modulus bridge expansion device, it is respectively provided with bearing cross beam in the first displacement case and second displacement case, twin-spar construction enables the carrying of telescopic device more safe and reliable, bearing and compressing support are respectively set at the top and bottom of bearing cross beam, in addition, bearing in first displacement case, compressing support and the bearing in second displacement case, compressing support interlaced arrangement, enough structure spaces are provided for bearing and compressing support, the pressure-bearing surface area of bearing can be increased according to heavy duty requirements, improve the ability that bridge extension joint bears heavy duty.

Description

A kind of heavy type twin beams modulus bridge expansion device
Technical field
The present invention relates to bridge construction technology fields, more particularly to a kind of heavy twin beams modulus bridge expansion device.
Background technology
To meet the requirement of bridge floor deformation, usually between two beam-ends, between beam-ends and abutment or the articulated position of bridge Upper setting bridge expanssion joint, it is desirable that expansion joint can freely stretch, securely in both directions parallel, perpendicular to bridge axes Reliably, it should be smoothed out when vehicle is run over, without kick and noise;It wants to prevent rainwater and rubbish soil from penetrating into obstruction;Installation, inspection Look into, conserve, eliminate dirt will simple and convenient.At setting expansion joint, railing will be disconnected with deck paving, bridge expanssion joint Effect be to adjust the displacement and connection by between the superstructure caused by vehicular load and bridge construction material, in bridge It needs that bridge extension joint is arranged at expansion joint.
Telescopic device is the important composition component of bridge, and what the quality of performance directly influenced bridge telescopicing performance can It leans on, the safety of car operation.Telescopic device, first, easy ting produce safety accident, suspends traffic once damaging;Second is that being fallen along seam Dirt cause the corrosion of bridge substructure.Heavy vehicle is big to telescopic device aging effects, every year since local function is made At modular expansion device damage quantity it is also very much.The predominantly middle longeron of the load-supporting part of modulus bridge expansion device, branch Hold crossbeam and bearing, design size and bearing cross beam the spacing arrangement of middle longeron and bearing cross beam are marked essentially according to country Quasi- payload values are designed, however China's traffic has the characteristics that heavy duty, high speed, vehicle flowrate are big, the external force that these factors generate The instant impact to telescopic device can directly be increased, bridge extension joint is chronically at fatigue state, to cause middle longeron And bearing cross beam fracture.In existing modular expansion device, bearing by structure space due to being limited, pressure-bearing surface face Product is smaller, is the weak link in modular expansion device stressed member, does not adapt to the frequent impact of heavy vehicle, easily cause Damage.
Therefore, how to change modulus bridge expansion device in the prior art bear heavy duty ability it is poor, be easily damaged The phenomenon that, it is those skilled in the art's urgent problem to be solved.
Invention content
The object of the present invention is to provide a kind of heavy twin beams modulus bridge expansion devices, are deposited with solving the above-mentioned prior art The problem of, improve the bearing capacity of modulus bridge expansion device, extend the service life of telescopic device.
To achieve the above object, the present invention provides following schemes:The present invention provides a kind of heavy twin beams modulus type bridge Telescopic device, including:
Twin beams load bearing system, the twin beams load bearing system include multiple bearing units, and middle longeron arranged side by side passes through more A bearing unit has gap between the adjacent middle longeron, rubber seal tape is arranged between the adjacent middle longeron, often A bearing unit includes the first displacement case and second displacement case, is all provided in the first displacement case and the second displacement case Set bearing cross beam, the top and bottom of the bearing cross beam are correspondingly arranged bearing and compressing support respectively, described first Move the bearing in case, the compressing support and the bearing in the second displacement case, compression branch Seat interlaced arrangement, the bearing are connected with the middle longeron, and side longeron, the side longeron point is arranged in the middle longeron both sides It is not connected with the first displacement case, the second displacement case;
Displacement control system, the displacement control system be set to the first displacement case and the second displacement case it Between, the displacement control system is connected with the middle longeron, the side longeron, the displacement control system can enable it is described in Gap uniformity between longeron, between the middle longeron and the side longeron;
Anchor system, one end of the anchor system are connected with the side longeron, and the other end of the anchor system can It is connected with the embedded bar of bridge.
Preferably, the bearing is set between the bearing cross beam and the middle longeron.
Preferably, steel liner plate is set between the bearing and the middle longeron.
Preferably, the bearing and the compressing support are in arranged for interval on the bearing cross beam.
Preferably, the twin beams load bearing system further includes hanger structure, and the middle longeron is fixed by the hanger structure On the bearing cross beam.
Preferably, the first displacement case and the second displacement case include two symmetrically arranged half babinets, described Half babinet is U-shaped, and the opening of two half babinets is oppositely arranged, and the both ends of the bearing cross beam are respectively protruding into described in two The inside of half babinet, the half chests body is interior to be arranged the bearing and the compressing support, and half babinet is held by described Pressure bearing and the compressing support are connected with the side longeron and the bearing cross beam.
Preferably, the rubber seal tape is set between the side longeron and the middle longeron.
Preferably, the displacement control system includes steel hinge arrangement, the steel hinge arrangement respectively with the middle longeron It is connected with the side longeron.
The present invention achieves following technique effect compared with the existing technology:The heavy twin beams modulus type bridge of the present invention is flexible Device, including twin beams load bearing system, twin beams load bearing system include multiple bearing units, and middle longeron arranged side by side passes through multiple hold Weight unit has gap between adjacent middle longeron, is arranged rubber seal tape between adjacent middle longeron, and each bearing unit includes the One displacement case and second displacement case are respectively provided with bearing cross beam, the top of bearing cross beam in the first displacement case and second displacement case It is correspondingly arranged bearing and compressing support, bearing, compressing support and second in the first displacement case respectively with bottom Bearing, compressing support interlaced arrangement in shifting case, bearing are connected with middle longeron, and side longeron is arranged in middle longeron both sides, Side longeron is connected with the first displacement case, second displacement case respectively.It is horizontal that bearing is respectively provided in the first displacement case and second displacement case Beam, twin-spar construction enable the carrying of telescopic device more safe and reliable, and bearing and pressure is respectively set in the both sides of bearing cross beam Tight bearing, in addition, the bearing, compressing support in the first displacement case and bearing, the compressing support in second displacement case Interlaced arrangement provides enough structure spaces for bearing and compressing support, can increase bearing according to heavy duty requirements Pressure-bearing surface area, improve bridge extension joint bear heavy duty ability.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the heavy twin beams modulus bridge expansion device of the present invention;
Fig. 2 be Fig. 1 in along A-A to cutting structural schematic diagram;
Fig. 3 is the cutting structural schematic diagram along B-B direction in Fig. 1;
Fig. 4 be Fig. 1 in along C-C to cutting structural schematic diagram;
Fig. 5 be Fig. 3 in along D-D to cutting structural schematic diagram;
Wherein, 1 is twin beams load bearing system, and 2 be displacement control system, and 3 be anchor system, and 4 be side longeron, and 5 be middle longeron, 6 be rubber seal tape, and 7 be hanger structure, and 8 be the first displacement case, and 9 be second displacement case, and 10 be bearing cross beam, and 11 be pressure-bearing branch Seat, 12 be compressing support, and 13 be steel liner plate.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of heavy twin beams modulus bridge expansion devices, are deposited with solving the above-mentioned prior art The problem of, improve the bearing capacity of modulus bridge expansion device, extend the service life of telescopic device.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
Please referring to Fig.1-5, wherein Fig. 1 is the structural schematic diagram of the heavy twin beams modulus bridge expansion device of the present invention, Fig. 2 be Fig. 1 in along A-A to cutting structural schematic diagram, Fig. 3 be Fig. 1 in along B-B direction cutting structural schematic diagram, Fig. 4 Fig. 1 It is middle along C-C to cutting structural schematic diagram, Fig. 5 be Fig. 3 in along D-D to cutting structural schematic diagram.
The present invention provides a kind of heavy twin beams modulus bridge expansion device, including:
Twin beams load bearing system 1, twin beams load bearing system 1 include multiple bearing units, and middle longeron 5 arranged side by side passes through multiple There is between adjacent middle longeron 5 bearing unit gap, adjacent middle longeron 5 rubber seal tape 6 is arranged, and each bearing unit includes First displacement case 8 and second displacement case 9 are respectively provided with bearing cross beam 10, bearing cross beam in first displacement case 8 and second displacement case 9 10 top and bottom are correspondingly arranged bearing 11 and compressing support 12 respectively, bearing 11, pressure in the first displacement case 8 Tight bearing 12 and the bearing 11 in second displacement case 9,12 interlaced arrangement of compressing support, bearing 11 and 5 phase of middle longeron Even, side longeron 4 is arranged in 5 both sides of middle longeron, and side longeron 4 is connected with the first displacement case 8, second displacement case 9 respectively.
Bearing cross beam 10 is respectively provided in the first displacement case 8 and second displacement case 9, twin-spar construction enables the carrying of telescopic device It is more safe and reliable, bearing 11 and compressing support 12 is respectively set in the top and bottom of bearing cross beam 10, in addition, first Bearing 11, compressing support 12 in displacement case 8 and bearing 11, the compressing support 12 in second displacement case 9 interlock cloth It sets, enough structure spaces is provided for bearing 11 and compressing support 12, bearing 11 can be increased according to heavy duty requirements Pressure-bearing surface area, improve bridge extension joint bear heavy duty ability.
Displacement control system 2, displacement control system 2 are set between the first displacement case 8 and second displacement case 9, displacement control System 2 processed is connected with middle longeron 5 and side longeron 4, during displacement control system 2 can enable between longeron 5, middle longeron 5 and side it is vertical Gap uniformity between beam 4;Displacement control system 2 is set between the first displacement case 8 and second displacement case 9, makes each middle longeron 5, the uniformity of Bit andits control evenly, is improved in the gap between side longeron 4.
One end of anchor system 3, anchor system 3 is connected with side longeron 4, and the other end of anchor system 3 can be with bridge Embedded bar is connected.
Specifically, bearing 11 is set between bearing cross beam 10 and middle longeron 5, the bearing capacity of longeron 5 in enhancing.
Wherein, steel liner plate 13 is set between bearing 11 and middle longeron 5, enhances the whole heavily loaded ability of telescopic device.
More specifically, bearing 11 and compressing support 12 are in arranged for interval on bearing cross beam 10, it is 11 He of bearing Compressing support 12 provides enough structure spaces.
Further, twin beams load bearing system 1 further includes hanger structure 7, and middle longeron 5 is fixed on bearing by hanger structure 7 On crossbeam 10, the globality of telescopic device is promoted.
In addition, the first displacement case 8 and second displacement case 9 include two symmetrically arranged half babinets, half babinet is U The opening of type, two and half babinets is oppositely arranged, and the both ends of bearing cross beam 10 are respectively protruding into the inside of two and half babinets, in half chests body Bearing 11 and compressing support 12 are also set up, it is specific referring to FIG. 2, being set to the bearing 11 at 10 top of bearing cross beam It is connected with middle longeron 5, the compressing support 12 for being located at 10 top of bearing cross beam is connected with side longeron 4, bearing 11 and compression branch Being arranged depending on the direction of transfer of pressure for seat 12, improves telescopic device load-bearing safety.
Further, rubber seal tape 6 is set between side longeron 4 and middle longeron 5, and rubber seal tape 6 is deformable, Neng Goubao Demonstrate,prove telescopic device normal displacement, while ensuring leakproofness, avoid the sundries such as rainwater by the gap between middle longeron 5, side longeron 4 into Enter to damage bridge.
Displacement control system 2 includes steel hinge arrangement, and steel hinge is connected with middle longeron 5 and side longeron 4, disclosure satisfy that respectively Expansion joint it is parallel, perpendicular to bridge axes both direction it is flexible, while ensureing gap uniformity, in addition, the present invention its In his specific implementation mode, displacement control system 2 can also use polyurethane spring structure or shear-type rubber spring structure, structure Reliably, easy to implement.
Each bearing unit of the twin beams load bearing system 1 of the present invention includes the first displacement case 8 and second displacement case 9, each Displacement case includes a bearing cross beam 10, several bearings 11 and compressing support 12, between bearing 11 and compressing support 12 Every arrangement, position is provided between the side longeron 4 and middle longeron 5 between two displacement casees of same unit twin beams load bearing system 1 Control system 2 is moved, said structure design makes twin-spar construction carrying more safe and reliable, and displacement control system 2 is arranged in same Between two displacement casees of unit twin beams load bearing system 1, more preferably, each shaped steel gap is evenly for Bit andits control state.Second, first It is respectively arranged with compressing support 12 and bearing above and below bearing cross beam 10 in displacement case 8 and second displacement case 9 11;First displacement case 8, second displacement case 9 are fixedly connected with side longeron 4;Bearing 11 and compressing support 12 match, In two bearing cross beams, the 10 top and bottom interlaced arrangement of each bearing unit, such structure is bearing 11 and compressing support 12 Enough structure spaces are provided, the pressure-bearing surface area of bearing 11 can be increased according to heavy duty requirements.
Specific case is applied in the present invention, and principle and implementation of the present invention are described, above example Illustrate the method and its core concept for being merely used to help understand the present invention;Meanwhile for those of ordinary skill in the art, according to According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification It should not be construed as limiting the invention.

Claims (8)

1. a kind of heavy type twin beams modulus bridge expansion device, which is characterized in that including:
Twin beams load bearing system, the twin beams load bearing system include multiple bearing units, and middle longeron arranged side by side passes through multiple institutes Bearing unit is stated, there is gap between the adjacent middle longeron, rubber seal tape, Mei Gesuo are set between the adjacent middle longeron It includes the first displacement case and second displacement case to state bearing unit, and branch is respectively provided in the first displacement case and the second displacement case Crossbeam is held, the top and bottom of the bearing cross beam are correspondingly arranged bearing and compressing support, the first displacement case respectively The interior bearing, the compressing support and the bearing, the compressing support in the second displacement case are handed over Mistake arrangement, the bearing is connected with the middle longeron, the middle longeron both sides setting side longeron, the side longeron respectively with The first displacement case, the second displacement case are connected;
Displacement control system, the displacement control system are set between the first displacement case and the second displacement case, institute It states displacement control system with the middle longeron, the side longeron to be connected, the displacement control system can enable the middle longeron Between, the gap uniformity between the middle longeron and the side longeron;
Anchor system, one end of the anchor system are connected with the side longeron, and the other end of the anchor system can be with bridge The embedded bar of beam is connected.
2. heavy type twin beams modulus bridge expansion device according to claim 1, it is characterised in that:The bearing is set It is placed between the bearing cross beam and the middle longeron.
3. heavy type twin beams modulus bridge expansion device according to claim 2, it is characterised in that:The bearing with Steel liner plate is set between the middle longeron.
4. heavy type twin beams modulus bridge expansion device according to claim 3, it is characterised in that:The bearing and The compressing support is in arranged for interval on the bearing cross beam.
5. heavy type twin beams modulus bridge expansion device according to claim 4, it is characterised in that:Twin beams load-bearing system System further includes hanger structure, and the middle longeron is fixed on by the hanger structure on the bearing cross beam.
6. heavy type twin beams modulus bridge expansion device according to claim 1, it is characterised in that:The first displacement case Include two symmetrically arranged half babinets with the second displacement case, half babinet be it is U-shaped, two half babinets Opening is oppositely arranged, and the both ends of the bearing cross beam are respectively protruding into the inside of two half babinets, are arranged in the half chests body The bearing and the compressing support, half babinet are vertical by the bearing and the compressing support and the side Beam is connected with the bearing cross beam.
7. heavy type twin beams modulus bridge expansion device according to claim 1, it is characterised in that:The side longeron and institute It states and the rubber seal tape is set between longeron.
8. heavy type twin beams modulus bridge expansion device according to claim 1, it is characterised in that:The Bit andits control system System includes steel hinge arrangement, and the steel hinge arrangement is connected with the middle longeron and the side longeron respectively.
CN201810731423.9A 2018-07-05 2018-07-05 Heavy double-beam modular bridge expansion device Active CN108660919B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810731423.9A CN108660919B (en) 2018-07-05 2018-07-05 Heavy double-beam modular bridge expansion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810731423.9A CN108660919B (en) 2018-07-05 2018-07-05 Heavy double-beam modular bridge expansion device

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CN108660919A true CN108660919A (en) 2018-10-16
CN108660919B CN108660919B (en) 2023-08-25

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004183379A (en) * 2002-12-05 2004-07-02 Kawaguchi Metal Industries Co Ltd Vibration control structure of expansion device for bridge
CN102518037A (en) * 2011-12-16 2012-06-27 成都市新筑路桥机械股份有限公司 Expansion device for extra-large displacement bridge
CN202430628U (en) * 2011-12-16 2012-09-12 成都市新筑路桥机械股份有限公司 Ultra-large displacement bridge telescopic device
DE102015115505A1 (en) * 2014-09-16 2016-03-17 Zujiang Liu Bridge expansion joint and attachment method for it
CN205839580U (en) * 2016-06-13 2016-12-28 同济大学 Uniformly displacement drag-line modulus expansion joint
CN106320169A (en) * 2016-08-25 2017-01-11 中铁第四勘察设计院集团有限公司 Modular expansion device and bridge
CN208362900U (en) * 2018-07-05 2019-01-11 衡水中铁建工程橡胶有限责任公司 A kind of heavy type twin beams modulus bridge expansion device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004183379A (en) * 2002-12-05 2004-07-02 Kawaguchi Metal Industries Co Ltd Vibration control structure of expansion device for bridge
CN102518037A (en) * 2011-12-16 2012-06-27 成都市新筑路桥机械股份有限公司 Expansion device for extra-large displacement bridge
CN202430628U (en) * 2011-12-16 2012-09-12 成都市新筑路桥机械股份有限公司 Ultra-large displacement bridge telescopic device
DE102015115505A1 (en) * 2014-09-16 2016-03-17 Zujiang Liu Bridge expansion joint and attachment method for it
CN205839580U (en) * 2016-06-13 2016-12-28 同济大学 Uniformly displacement drag-line modulus expansion joint
CN106320169A (en) * 2016-08-25 2017-01-11 中铁第四勘察设计院集团有限公司 Modular expansion device and bridge
CN208362900U (en) * 2018-07-05 2019-01-11 衡水中铁建工程橡胶有限责任公司 A kind of heavy type twin beams modulus bridge expansion device

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