CN203639815U - Seamless type large-displacement road footbridge expansion device - Google Patents
Seamless type large-displacement road footbridge expansion device Download PDFInfo
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- CN203639815U CN203639815U CN201320883562.6U CN201320883562U CN203639815U CN 203639815 U CN203639815 U CN 203639815U CN 201320883562 U CN201320883562 U CN 201320883562U CN 203639815 U CN203639815 U CN 203639815U
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- shaped steel
- plate
- movable comb
- connecting rod
- comb tooth
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Abstract
The utility model discloses a seamless type large-displacement road footbridge expansion device which comprises a fixed comb plate and movable comb plates, the top face of the fixed comb plate is fixedly connected with a stainless steel plate which completely covers the fixed comb plate and the two movable comb plates, middle beam structural steel is arranged on the bottom face of the fixed comb plate, middle beam structural steel and side beam structural steel are arranged on the bottom face of each movable comb plate, the side beam structural steel is fixedly arranged on beam end faces on the two sides of an expansion joint, a supporting cross beam is arranged under the fixed comb plate and the movable comb plates, the two ends of the supporting cross beam are inserted to a fixed displacement box and a movable displacement box, the fixed displacement box and the movable displacement box are fixedly connected with the side beam structural steel on the beam end faces on the two sides of the expansion joint respectively, a plurality of hanging frame components are movably connected to the supporting cross beam in a sleeved mode and correspond to the middle beam structural steel, and the hanging frame components are fixedly connected with the middle beam structural steel. No gap exists on the surface of the expansion device, heels of pedestrians can be prevented from falling into gaps of the expansion device, and the tooth cocking phenomenon caused when beams turn by an angle is avoided.
Description
Technical field
The utility model relates to a kind of Expansion Units for Highway Bridges, particularly relates 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 features such as excellent 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, in the time that 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 utility model provide a kind of by the flexible dress of board-like broach stretching device and modulus type advantages to together with stretching device, outward appearance grace, bearing capacity is strong, has also met the demand of stretching device seamless surface and adaptation bridge multi-directional deflection simultaneously.
Utility model content
The purpose of this utility model 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.
The purpose of this utility model 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; Be provided with central sill shaped steel in fixed fingers plate bottom surface, 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, the multiple 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 central sill shaped steel and movable comb tooth plate under described fixed fingers 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, the beneficial effects of the utility model are:
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 in the time of beam body generation corner sticks up tooth phenomenon;
4. the each part replacement of stretching device is convenient.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
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 the utility model link assembly;
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.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
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.Be provided with central sill shaped steel 4 in fixed fingers plate 1 bottom surface, 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 ensure that bearing cross beam 6 closely constrains in fixed displacement case 7 and activity displacement case 8, and guarantee activity displacement case 8 is smooth-going with bearing cross beam 6 relative slidings.
Referring to Fig. 3, the multiple 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, connect by link assembly 10.
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 ensure 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 coordinate with hexagon slotted nut 13 and bolt 11 by cottor pin 14 that to carry out machinery locking, while ensureing 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 central sill shaped steel 4 and movable comb tooth plate 2 under described fixed fingers plate 1, 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 ensures the watertightness of whole stretching device.
In the time that beam body is flexible, do together motion in the same way 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, the broach of the broach of movable comb tooth plate 2 and fixed fingers plate 1 slides on stainless steel slide plate 16, control the uniformity of gap width by link assembly 10, 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, therefore gap is stopped completely, has avoided pedestrian's heel part to be absorbed in the gap of stretching device completely.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
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;
Be provided with central sill shaped steel in fixed fingers plate bottom surface, 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, the multiple 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 central sill shaped steel and movable comb tooth plate under described fixed fingers 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 |
|---|---|---|---|
| CN201320883562.6U CN203639815U (en) | 2013-12-31 | 2013-12-31 | Seamless type large-displacement road footbridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883562.6U CN203639815U (en) | 2013-12-31 | 2013-12-31 | Seamless type large-displacement road footbridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203639815U true CN203639815U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883562.6U Withdrawn - After Issue CN203639815U (en) | 2013-12-31 | 2013-12-31 | Seamless type large-displacement road footbridge expansion device |
Country Status (1)
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| CN (1) | CN203639815U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711074A (en) * | 2013-12-31 | 2014-04-09 | 成都市新筑路桥机械股份有限公司 | Gapless-type large-displacement highway foot-bridge expansion device |
| CN104762875A (en) * | 2015-04-17 | 2015-07-08 | 栾海 | Surface seamless type bridge expansion joint |
| CN105088939A (en) * | 2015-08-12 | 2015-11-25 | 四川睿铁科技有限责任公司 | Cold-resistant railway waterproof telescopic device |
| CN108842605A (en) * | 2018-07-09 | 2018-11-20 | 贵州新联爆破工程集团有限公司 | A kind of simply supported girder bridge expansion gap device |
| CN110792035A (en) * | 2019-11-13 | 2020-02-14 | 成都市新筑路桥机械股份有限公司 | Reinforced seamless elastomer expansion device and construction method thereof |
| CN111119038A (en) * | 2019-12-30 | 2020-05-08 | 山西省交通新技术发展有限公司 | Multi-directional displacement composite plate type expansion device for highway bridge |
-
2013
- 2013-12-31 CN CN201320883562.6U patent/CN203639815U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711074A (en) * | 2013-12-31 | 2014-04-09 | 成都市新筑路桥机械股份有限公司 | Gapless-type large-displacement highway foot-bridge expansion device |
| CN103711074B (en) * | 2013-12-31 | 2015-05-20 | 成都市新筑路桥机械股份有限公司 | Gapless-type large-displacement highway foot-bridge expansion device |
| CN104762875A (en) * | 2015-04-17 | 2015-07-08 | 栾海 | Surface seamless type bridge expansion joint |
| CN104762875B (en) * | 2015-04-17 | 2016-05-11 | 栾海 | A kind of seamless surface type bridge expanssion joint |
| CN105088939A (en) * | 2015-08-12 | 2015-11-25 | 四川睿铁科技有限责任公司 | Cold-resistant railway waterproof telescopic device |
| CN105088939B (en) * | 2015-08-12 | 2017-03-29 | 四川睿铁科技有限责任公司 | A kind of cold-resistant type railway waterproof retractor device |
| CN108842605A (en) * | 2018-07-09 | 2018-11-20 | 贵州新联爆破工程集团有限公司 | A kind of simply supported girder bridge expansion gap device |
| CN110792035A (en) * | 2019-11-13 | 2020-02-14 | 成都市新筑路桥机械股份有限公司 | Reinforced seamless elastomer expansion device and construction method thereof |
| CN111119038A (en) * | 2019-12-30 | 2020-05-08 | 山西省交通新技术发展有限公司 | Multi-directional displacement composite plate type expansion device for highway bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20150520 |
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| RGAV | Abandon patent right to avoid regrant |