CN103711074A - Gapless-type large-displacement highway foot-bridge expansion device - Google Patents
Gapless-type large-displacement highway foot-bridge expansion device Download PDFInfo
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- CN103711074A CN103711074A CN201310744970.8A CN201310744970A CN103711074A CN 103711074 A CN103711074 A CN 103711074A CN 201310744970 A CN201310744970 A CN 201310744970A CN 103711074 A CN103711074 A CN 103711074A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 53
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 244000126211 Hericium coralloides Species 0.000 claims description 45
- 230000000694 effects Effects 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 7
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a gapless-type large-displacement highway foot-bridge expansion device which comprises a fixed comb plate and movable comb plates. A stainless steel plate is fixedly connected to the top face of the fixed comb plate. The fixed comb plate and the two movable comb plates are totally covered with the stainless steel plate. A piece of middle beam structural steel is arranged on the bottom face of the fixed comb plate. Pieces of middle beam structural steel and pieces of edge beam structural steel are arranged on the bottom faces of the movable comb plates. The pieces of edge beam structural steel are fixedly arranged on the end face, on the two sides of an expansion joint, of a bridge body. Supporting transverse beams are arranged below the fixed comb plate and the movable comb plates. The two ends of each supporting transverse beam are inserted into a fixed displacement box and a movable displacement box respectively. The fixed displacement box and the movable displacement box are fixedly connected with the pieces of edge beam structural steel on the end face, on the two sides of the expansion joint, of the bridge body. The supporting transverse beams are movably sleeved with a plurality of hanging bracket assemblies corresponding to the pieces of middle beam structural steel. The hanging bracket assemblies are fixedly connected with the pieces of middle beam structural steel. According to the gapless-type large-displacement highway foot-bridge expansion device, no gap is formed in the surface, the phenomenon that the heels of pedestrians are caught in gaps of the expansion device is avoided, and the tooth warping phenomenon caused when the bridge body rotates by an angle is avoided.
Description
Technical field
The present invention relates to a kind of Expansion Units for Highway Bridges, particularly relate to the large displacement highway of a kind of gapless walking bridge extension joint.
Background technology
At present, traditional modular expansion device can meet beam body along bridge to elongation and contraction, have that driving is smooth-going, impact force is little, supporting capacity is strong and have the excellent features such as multidirectional displacement capabilities, but all there is gap on stretching device surface in traditional modular expansion device, work as pedestrian, when particularly Ms's high-heeled shoes are through stretching device surface, heel is easily absorbed in the gap on stretching device surface, can have a strong impact on safety and the comfortableness of walking.
Another kind of Expansion Units for Highway Bridges is the board-like stretching device of broach, this device has graceful outward appearance, in the less bridge of carrying, application is comparatively extensive, but the bearing capacity of the board-like stretching device of broach is less and well do not solve bridge multi-directional deflection corner problem.Because movable comb tooth plate, fixed fingers plate are individually fixed on the two curb girder bodies of shrinkage joint, when beam body produces vertical deformation because of various load actions, activity, fixed fingers plate, by sticking up tooth phenomenon, cause a hidden trouble to vehicle and pedestrains safety.
In order to meet the seamless requirement of stretching device walking on walking bridge, and can solve again the needs that bridge three-dimensional is rotated, the invention provides a kind of by the flexible dress of the board-like stretching device of broach and modulus type advantages to together with stretching device, outward appearance is graceful, bearing capacity is strong, has also met the demand of stretching device seamless surface and adaptation bridge multi-directional deflection simultaneously.
Summary of the invention
Object of the present invention is just to provide the large displacement highway of a kind of gapless walking bridge extension joint, can meet the demand of stretching device seamless surface and adaptation bridge multi-directional deflection, thereby solve the problem that above-mentioned prior art exists completely.
Object of the present invention realizes by following technical proposals:
The large displacement highway of a kind of gapless walking bridge extension joint, comprise fixed fingers plate and movable comb tooth plate, the beam end of body of Highway Bridge Expansion Joint both sides is respectively equipped with movable comb tooth plate, between two movable comb tooth plates, fixed fingers plate is set, the broach of fixed fingers plate both sides and the broach transpostion interval of movable comb tooth plate are arranged, at the fixed fingers plate top surface corrosion resistant plate that is connected, corrosion resistant plate covers fixed fingers plate and two movable comb tooth plates completely; In fixed fingers plate bottom surface, be provided with central sill shaped steel, movable comb tooth plate bottom surface is provided with stainless steel slide plate, central sill shaped steel and side bar shaped steel, and side bar shaped steel is fixedly arranged on the beam body end face of both sides, shrinkage joint; Below central sill shaped steel, be provided with bearing cross beam, fixed displacement case and activity displacement case are inserted respectively in bearing cross beam two ends, fixed displacement case is fixedly connected with the side bar shaped steel of shrinkage joint two curb girder body end faces respectively with activity displacement case, a plurality of hanging holder sets of corresponding central sill shaped steel pivot bush unit on bearing cross beam, hanging holder set and central sill shaped steel are connected.
Further, while there is maximum displacement at shrinkage joint, corrosion resistant plate still covers two movable comb tooth plates completely.
Further, between the beam end of body of bridge expanssion joint both sides, be set up in parallel some fixed fingers plates and movable comb tooth plate, below fixed fingers plate and movable comb tooth plate, be provided with central sill shaped steel, spaced set bearing cross beam below central sill shaped steel, connects by link assembly between the fixed fingers plate between adjacent bearing cross beam and the central sill shaped steel of movable comb tooth plate.
Further, described link assembly is quadric chain.
Further, described link assembly comprises Connection Block and head and the tail hinged connecting rod one, connecting rod two, connecting rod three, connecting rod four, connecting rod five, connecting rod six successively, connecting rod two middle parts and connecting rod five middle parts are hinged, and be connected with the central sill shaped steel under fixed fingers plate by Connection Block, connecting rod one is connected with the central sill shaped steel under a side movable comb tooth plate by Connection Block with the hinged end of connecting rod six, and connecting rod three is connected with the central sill shaped steel under opposite side movable comb tooth plate by Connection Block with the hinged end of connecting rod four.
Further, described bearing cross beam upper surface coordinates with hanging holder set by sliding bearing, and soffit is supported with hanging holder set and coordinated by compression.
Further, described bearing cross beam upper surface is supported with fixed displacement case and activity displacement case and is coordinated by compression, and soffit coordinates with fixed displacement case and activity displacement case by sliding bearing.
Further, between the central sill shaped steel under described fixed fingers plate and the central sill shaped steel under movable comb tooth plate, waterproof adhesive tape is set, between side bar shaped steel and central sill shaped steel, water-proof sealing rubber strip is set.
Compared with prior art, beneficial effect of the present invention is:
1. the appearance looks elegant of stretching device;
2. stretching device seamless surface gap, can avoid pedestrian's (particularly Ms's high-heeled shoes) heel part to be absorbed in the gap of stretching device;
3. that has avoided that traditional board-like stretching device of broach causes when beam body generation corner sticks up tooth phenomenon;
4. each part replacement of stretching device is convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the B-B sectional view in Fig. 1;
Fig. 4 is the structural representation of fixed fingers plate in Fig. 1;
Fig. 5 is the structural representation of movable comb tooth plate in Fig. 1;
Fig. 6 is the structural representation of link assembly of the present invention;
Fig. 7 is C-C sectional view in Fig. 6;
Fig. 8 is D-D sectional view in Fig. 6;
Fig. 9 is E-E sectional view in Fig. 6.
The specific embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
As shown in Figures 1 to 9, the large displacement highway of a kind of gapless walking bridge extension joint, comprise arrange along shrinkage joint some to fixed fingers plate 1 and movable comb tooth plate 2, the beam end of body of Highway Bridge Expansion Joint both sides arranges respectively movable comb tooth plate 2, between two movable comb tooth plates 2, fixed fingers plate 1 is set, the broach of fixed fingers plate 1 both sides and the broach transpostion interval of movable comb tooth plate 2 are arranged, at the fixed fingers plate 1 end face figured stainless steel plate 3 that is connected, figured stainless steel plate 3 covers fixed fingers plate 1 and two movable comb tooth plates 2 completely, while there is maximum displacement at shrinkage joint, figured stainless steel plate 3 still covers two movable comb tooth plates 2 completely.In fixed fingers plate 1 bottom surface, be provided with central sill shaped steel 4, movable comb tooth plate 2 bottom surfaces are provided with stainless steel slide plate 16, central sill shaped steel 4 and side bar shaped steel 5, and side bar shaped steel 5 is fixedly arranged on the beam body end face of both sides, shrinkage joint; Below fixed fingers plate 1 and movable comb tooth plate 2, be equidistantly provided with some bearing cross beams 6, bearing cross beam 6 one end are fixed displacement case 7, fixed displacement case 7 is fixedly connected with the side bar shaped steel 5 of shrinkage joint one side, the other end activity cooperation activity displacement case 8 of bearing cross beam 6, activity displacement case 8 is fixedly connected with the side bar shaped steel 5 of shrinkage joint opposite side.
Referring to Fig. 2, described bearing cross beam 6 upper surfaces are supported with fixed displacement case 7 and activity displacement case 8 and are coordinated by compression, soffit coordinates with fixed displacement case 7 and activity displacement case 8 by sliding bearing, thereby guarantee that bearing cross beam 6 closely constrains in fixed displacement case 7 and activity displacement case 8, and assurance activity displacement case 8 is smooth-going with bearing cross beam 6 relative slidings.
Referring to Fig. 3, a plurality of hanging holder sets 9 of corresponding central sill shaped steel 4 pivot bush unit on bearing cross beam 6, hanging holder set 9 is connected with the central sill shaped steel 4 under fixed fingers plate 1 and movable comb tooth plate 2.Between the central sill shaped steel 4 of the fixed fingers plate 1 between adjacent bearing cross beam 6 and movable comb tooth plate 2 belows, by link assembly 10, connect.
Described bearing cross beam 6 upper surfaces coordinate with hanging holder set 9 by sliding bearing, and soffit is supported with hanging holder set 9 and coordinated by compression.By sliding bearing and compression supporting, bearing cross beam 6 is closely constrained in hanging holder set 9, and guarantee that bearing cross beam 6 and hanging holder set 9 relative slidings are smooth-going.
Referring to Fig. 3 and Fig. 6, described link assembly 10 comprises Connection Block 107 and head and the tail hinged connecting rod 1 successively, connecting rod 2 102, connecting rod 3 103, connecting rod 4 104, connecting rod 5 105, connecting rod 6 106, connecting rod 2 102 middle parts and connecting rod 5 105 middle parts are hinged, and be connected with the central sill shaped steel 4 under fixed fingers plate 1 by Connection Block 107, connecting rod 1 is connected with the central sill shaped steel 4 under a side movable comb tooth plate 2 by Connection Block 107 with the hinged end of connecting rod 6 106, connecting rod 3 103 is connected with the central sill shaped steel 4 under opposite side movable comb tooth plate 2 by Connection Block 107 with the hinged end of connecting rod 4 104.
Referring to Fig. 7 to Fig. 9, described connecting rod 1, connecting rod 2 102, connecting rod 3 103, connecting rod 4 104, connecting rod 5 105, connecting rod 6 106 hinged end each other are all connected by bolt 11, hex nut 12 and hexagon slotted nut 13, and by cottor pin 14, coordinate with hexagon slotted nut 13 and bolt 11 that to carry out machinery locking, while guaranteeing this stretching device displacement, each connecting bolt, nut can not get loose.
Referring to Fig. 2 and Fig. 3, between the central sill shaped steel 4 under described fixed fingers plate 1 and the central sill shaped steel 4 under movable comb tooth plate 2, waterproof adhesive tape 15 is set, between side bar shaped steel 5 and central sill shaped steel 4, water-proof sealing rubber strip 17 is set, thereby guarantees the watertightness of whole stretching device.
When beam body is flexible, by the central sill shaped steel 4 under beam body drive activity displacement case 8, side bar shaped steel 5, movable comb tooth plate 2 and movable comb tooth plate 2, do together motion in the same way, the broach of the broach of movable comb tooth plate 2 and fixed fingers plate 1 slides on stainless steel slide plate 16, by link assembly 10, control the uniformity of gap width, thereby realize Telescopic.And owing to covering figured stainless steel plate 3 completely on fixed fingers plate 1 and two movable comb tooth plates 2, so gap stopped completely, avoided pedestrian's heel part to be absorbed in the gap of stretching device completely.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. the large displacement highway of a gapless walking bridge extension joint, comprise fixed fingers plate and movable comb tooth plate, the beam end of body of Highway Bridge Expansion Joint both sides is respectively equipped with movable comb tooth plate, between two movable comb tooth plates, fixed fingers plate is set, the broach of fixed fingers plate both sides and the broach transpostion interval of movable comb tooth plate are arranged, be it is characterized in that:
At the fixed fingers plate top surface corrosion resistant plate that is connected, corrosion resistant plate covers fixed fingers plate and two movable comb tooth plates completely;
In fixed fingers plate bottom surface, be provided with central sill shaped steel, movable comb tooth plate bottom surface is provided with stainless steel slide plate, central sill shaped steel and side bar shaped steel, and side bar shaped steel is fixedly arranged on the beam body end face of both sides, shrinkage joint;
Below central sill shaped steel, be provided with bearing cross beam, fixed displacement case and activity displacement case are inserted respectively in bearing cross beam two ends, fixed displacement case is fixedly connected with the side bar shaped steel of shrinkage joint two curb girder body end faces respectively with activity displacement case, a plurality of hanging holder sets of corresponding central sill shaped steel pivot bush unit on bearing cross beam, hanging holder set and central sill shaped steel are connected.
2. the large displacement highway of gapless according to claim 1 walking bridge extension joint, is characterized in that: while there is maximum displacement at shrinkage joint, corrosion resistant plate still covers two movable comb tooth plates completely.
3. the large displacement highway of gapless according to claim 1 walking bridge extension joint, it is characterized in that: between the beam end of body of bridge expanssion joint both sides, be set up in parallel some fixed fingers plates and movable comb tooth plate, below fixed fingers plate and movable comb tooth plate, be provided with central sill shaped steel, spaced set bearing cross beam below central sill shaped steel, connects by link assembly between the fixed fingers plate between adjacent bearing cross beam and the central sill shaped steel of movable comb tooth plate.
4. the large displacement highway of gapless according to claim 3 walking bridge extension joint, is characterized in that: described link assembly is quadric chain.
5. the large displacement highway of gapless according to claim 3 walking bridge extension joint, it is characterized in that: described link assembly comprises Connection Block and head and the tail hinged connecting rod one successively, connecting rod two, connecting rod three, connecting rod four, connecting rod five, connecting rod six, connecting rod two middle parts and connecting rod five middle parts are hinged, and be connected with the central sill shaped steel under fixed fingers plate by Connection Block, connecting rod one is connected with the central sill shaped steel under a side movable comb tooth plate by Connection Block with the hinged end of connecting rod six, connecting rod three is connected with the central sill shaped steel under opposite side movable comb tooth plate by Connection Block with the hinged end of connecting rod four.
6. according to the large displacement highway of the gapless walking bridge extension joint described in claim 1 to 5 any one, it is characterized in that: described bearing cross beam upper surface coordinates with hanging holder set by sliding bearing, and soffit is supported with hanging holder set and coordinated by compression.
7. the large displacement highway of gapless according to claim 6 walking bridge extension joint, it is characterized in that: described bearing cross beam upper surface is supported with fixed displacement case and activity displacement case and coordinated by compression, soffit coordinates with fixed displacement case and activity displacement case by sliding bearing.
8. the large displacement highway of gapless according to claim 7 walking bridge extension joint, it is characterized in that: between the central sill shaped steel under described fixed fingers plate and the central sill shaped steel under movable comb tooth plate, waterproof adhesive tape is set, between side bar shaped steel and central sill shaped steel, water-proof sealing rubber strip is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744970.8A CN103711074B (en) | 2013-12-31 | 2013-12-31 | Gapless-type large-displacement highway foot-bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744970.8A CN103711074B (en) | 2013-12-31 | 2013-12-31 | Gapless-type large-displacement highway foot-bridge expansion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103711074A true CN103711074A (en) | 2014-04-09 |
| CN103711074B CN103711074B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744970.8A Active CN103711074B (en) | 2013-12-31 | 2013-12-31 | Gapless-type large-displacement highway foot-bridge expansion device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442440A (en) * | 2015-12-31 | 2016-03-30 | 中国一冶集团有限公司 | Cross-linking-type curved-beam-bridge combined expansion joint |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN107165044A (en) * | 2017-06-12 | 2017-09-15 | 四川双建路桥机械有限责任公司 | A kind of big displacement Telescopic device of pedestrian way |
| CN109736192A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Non-bolt prepressing type big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN109736191A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Unit assembled big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN110144816A (en) * | 2019-06-20 | 2019-08-20 | 路宝高分子材料科技有限公司 | A kind of expansion gap device with non-motor vehicle anti-sunken function |
| CN111119039A (en) * | 2019-12-31 | 2020-05-08 | 山西省交通新技术发展有限公司 | Displacement device for plate type expansion joint of highway bridge |
| CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
| CN112195771A (en) * | 2020-09-18 | 2021-01-08 | 中盛路桥科技有限公司 | Bridge expansion device |
| CN112962445A (en) * | 2021-04-02 | 2021-06-15 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
| CN113216426A (en) * | 2021-05-28 | 2021-08-06 | 杭州万庄建筑科技有限公司 | Seamless self-adjusting expansion joint device |
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| CN203639815U (en) * | 2013-12-31 | 2014-06-11 | 成都市新筑路桥机械股份有限公司 | Seamless type large-displacement road footbridge expansion device |
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| JP3418830B2 (en) * | 2000-11-21 | 2003-06-23 | ニッタ株式会社 | Water stoppage material for play spaces |
| KR20030011435A (en) * | 2001-08-02 | 2003-02-11 | 일원엔지니어링 주식회사 | Expansion jointing apparatus for a bridge |
| KR100743044B1 (en) * | 2006-07-31 | 2007-07-26 | 주식회사 일원테크 | Earthquake-resistant expansion joint |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442440A (en) * | 2015-12-31 | 2016-03-30 | 中国一冶集团有限公司 | Cross-linking-type curved-beam-bridge combined expansion joint |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN107165044A (en) * | 2017-06-12 | 2017-09-15 | 四川双建路桥机械有限责任公司 | A kind of big displacement Telescopic device of pedestrian way |
| CN107165044B (en) * | 2017-06-12 | 2023-05-05 | 四川双建路桥机械有限责任公司 | Large-displacement sidewalk telescopic device |
| CN109736192A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Non-bolt prepressing type big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN109736191A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Unit assembled big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN109736192B (en) * | 2019-03-21 | 2023-11-17 | 双盛交通科技有限公司 | Screw-free pre-pressing type large-displacement deflection resistance multidirectional deflection comb-shaped plate bridge expansion device |
| CN110144816A (en) * | 2019-06-20 | 2019-08-20 | 路宝高分子材料科技有限公司 | A kind of expansion gap device with non-motor vehicle anti-sunken function |
| CN111119039B (en) * | 2019-12-31 | 2021-11-23 | 山西省交通新技术发展有限公司 | Displacement device for plate type expansion joint of highway bridge |
| CN111119039A (en) * | 2019-12-31 | 2020-05-08 | 山西省交通新技术发展有限公司 | Displacement device for plate type expansion joint of highway bridge |
| CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
| CN112195771A (en) * | 2020-09-18 | 2021-01-08 | 中盛路桥科技有限公司 | Bridge expansion device |
| CN112962445B (en) * | 2021-04-02 | 2023-01-17 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
| CN112962445A (en) * | 2021-04-02 | 2021-06-15 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
| CN113216426B (en) * | 2021-05-28 | 2022-03-22 | 杭州万庄建筑科技有限公司 | Seamless self-adjusting expansion joint device |
| CN113216426A (en) * | 2021-05-28 | 2021-08-06 | 杭州万庄建筑科技有限公司 | Seamless self-adjusting expansion joint device |
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| CN103711074B (en) | 2015-05-20 |
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Effective date of registration: 20240118 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |