CN202073034U - Multidirectional displacement comb plate type bridge expansion device - Google Patents
Multidirectional displacement comb plate type bridge expansion device Download PDFInfo
- Publication number
- CN202073034U CN202073034U CN2011201678574U CN201120167857U CN202073034U CN 202073034 U CN202073034 U CN 202073034U CN 2011201678574 U CN2011201678574 U CN 2011201678574U CN 201120167857 U CN201120167857 U CN 201120167857U CN 202073034 U CN202073034 U CN 202073034U
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- plate
- comb plate
- movable comb
- stainless steel
- girder
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Abstract
The utility model belongs to the technical field of bridge expansion devices, and discloses a multidirectional displacement comb plate type bridge expansion device, which is mainly technically characterized by comprising a first girder and a second girder. The first girder is provided with a movable comb plate, the second girder is provided with a fixed comb plate and a stainless steel sliding plate, a rotating sleeve with a leveling ejector plate, an anchoring vertical plate and leveling side plates is disposed on the first girder, a grooved shaft connected with the movable comb plate is disposed in the rotating shaft in a small-clearance fit manner, rubber seal strips are disposed between the rotating sleeve and the movable comb plate, a rubber water-stop belt with one end fixed to the leveling side plates is disposed below the fixed comb plate and the stainless steel sliding plate, a clearance is reserved between the movable comb plate and the fixed comb plate, and an excess wear-resistant plate in contact with the stainless steel sliding plate is disposed on the movable comb plate. The multidirectional displacement comb plate type bridge expansion device is reliable in sealing, low in friction drag and capable of adapting to complex displacement of bridges under special conditions.
Description
Technical field
The utility model belongs to the bridge extension joint technical field, relates in particular to a kind of board-like bridge extension joint of comb teeth shape of multi-directional deflection.
Background technology
In bridge construction design, usually between two beam-ends of bridge, between beam-ends and the abutment stretching device is set.Its effect is displacement and the connection that is to regulate by between the caused superstructure of physical property of vehicular load environmental characteristic and bridge construction material.Expansion gap device is the important component of bridge construction, and desirable expansion gap device must satisfy the displacement between the He Liang and platform between superstructure beam and the beam; Vehicle ' is steady, comfortable; Can prevent that rainwater and rubbish from infiltrating; Easy for installation, simple, easily check and be convenient to the worker who maintains a road and operate; Satisfy bridge complicated displacement in all cases.The bridge that the bridge displacement is mainly caused by conditions such as the temperature difference, wind-force, vehicle-mounted, seismic forcess vertically, level is to, vertical deflection and the displacement of earthquake increment.Under action of thermal difference, can produce and expand with heat and contract with cold, therefore will be in the beam-ends reserving gaps, impaired with dieback after avoiding the beam volume expansion, vertical displacement of this bridge is the most basic displacement form; Under wind carried effect, horizontal drift took place in pontic, and its beam-ends produces fan-shaped displacement, especially strode footpath bigger cable stayed bridge and suspension bridge, and its horizontal displacement amount is bigger; Under vehicular load or uneven loading action, the deformation of beam body generation amount of deflection causes the beam-ends perk, and vertical and torsional deflection take place.Under the actual conditions, how these displacements are not independent existence, and cross-synthesis ground takes place often; And, also to consider contingent earthquake increment displacement requirement for the bridge that shockproof requirements is arranged, and therefore, bridge extension joint must satisfy bridge complicated displacement in all cases, and traffic safety is guaranteed in the normal operation of assurance device.Modulus formula bridge extension joint and the board-like bridge extension joint of broach that uses can not satisfy bridge displacement needs under special circumstances, especially big direction across bridge displacement and vertical corner at present.Particularly use at cable stayed bridge of striding the footpath greatly and the stretching device on the suspension bridge, appearance stretching device that can be too early lost efficacy, cause modulus formula bridge extension joint supporting traverse to disconnect, bearing comes off, the support case breaks, the board-like bridge extension joint of traditional broach then can cause broach to fracture or the anchor bolt phenomenon of rupture, directly influences driving safety.
The utility model content
The technical problems to be solved in the utility model just provides and a kind ofly seals reliable, low frictional resistance, satisfies the bridge board-like bridge extension joint of comb teeth shape of the multi-directional deflection of complicated displacement under special circumstances.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the first beam body that is provided with movable comb plate, the second beam body that is provided with fixed fingers plate and stainless steel slide plate, the described first beam body is provided with the pivoted housing that has leveling top board, anchoring riser and leveling side plate, and little matched in clearance is provided with the fluted shaft that is connected with movable comb plate in the pivoted housing.
Its additional technical feature is: be provided with sealing rubber strip between described pivoted housing and movable comb plate; Described fixed fingers plate and stainless steel slide plate are arranged with the rubber fastening band that an end and leveling side plate fix; Be provided with the gap between described movable comb plate and fixed fingers plate, movable comb plate is provided with and the contacted excessive wearing plate of stainless steel slide plate; Described adjacent movable comb plate is connected by fixation kit.
The board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection provided by the utility model, compared with prior art, the first beam body is provided with the pivoted housing that has leveling top board, anchoring riser and leveling side plate, and little matched in clearance is provided with the fluted shaft that is connected with movable comb plate in the pivoted housing.Pivoted housing adopts the corresponding processing of thick walled steel tube, convenient manufacturing process.The anchoring riser of pivoted housing and anchor bar welding, be fixed on reliably on the first beam body, pivoted housing and the little matched in clearance of fluted shaft realize relative rotation angle that the first beam body and the second beam body are bigger and laterally promptly move axially relatively, relative rotation angle can realize that with the relative distance that laterally promptly moves axially movable comb plate adopts keyway fit structure form and adopts the bolt secure fixation to be connected on the fluted shaft by adjustment activity comb plate with corresponding pivoted housing, leveling top board, leveling side plate design gaps.Be provided with sealing rubber strip between pivoted housing and movable comb plate, fixed fingers plate and stainless steel slide plate are arranged with the rubber fastening band that an end and leveling side plate fix, and reach reliable dustproof and waterproof effectiveness in vibration suppression.Be provided with the gap between movable comb plate and fixed fingers plate, movable comb plate is provided with and the contacted excessive wearing plate of stainless steel slide plate.Then the fixed fingers plate is fixed on the second beam body by anchor bolt, and movable comb plate is by transition wearing plate slip realization activity comb plate and the relative vertically displacement of the low frictional resistance of fixed fingers plate on the stainless steel slide plate.Design gaps between fixed fingers plate and movable comb plate can require corresponding adjustment according to the fan-shaped displacement in beam-ends plane, realizes the fan-shaped displacement requirement of two end carriage body planes.Adjacent movable comb plate is connected by fixation kit, and each movable comb plate is linked to be integral body, guarantees each movable comb plate displacement simultaneously, improves traffic safety.The board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection provided by the utility model seals reliable, low frictional resistance, can satisfy bridge complicated displacement under special circumstances.
Description of drawings
Fig. 1 is the structural representation of the board-like bridge extension joint of comb teeth shape of a kind of multi-directional deflection of the utility model;
Fig. 2 is the structural representation of movable comb plate.
The specific embodiment
Be described further below in conjunction with the structure of the drawings and specific embodiments the board-like bridge extension joint of comb teeth shape of a kind of multi-directional deflection provided by the utility model.
As shown in Figure 1, the board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection provided by the utility model comprises the first beam body 1, the second beam body 2, the first beam body 1 is provided with pivoted housing 3, pivoted housing 3 is provided with leveling top board 4, anchoring riser 5 and leveling side plate 6, little matched in clearance is provided with fluted shaft 7 in the pivoted housing 3, fluted shaft 7 is connected with movable comb plate 8, and 8 of pivoted housing 3 and movable comb plates are provided with sealing rubber strip 9.The second beam body 2 is provided with fixed fingers plate 10 and stainless steel slide plate 11, fixed fingers plate 10 and stainless steel slide plate 11 are arranged with the rubber fastening band 12 that an end and leveling side plate 6 fix, movable comb plate 8 and 10 of fixed fingers plates are provided with gap 13, and movable comb plate 8 is provided with and stainless steel slide plate 11 contacted excessive wearing plates 14.As shown in Figure 2, adjacent movable comb plate 8 is connected by fixation kit 15.
The board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection provided by the utility model, pivoted housing 3 adopts the corresponding processing of thick walled steel tube, convenient manufacturing process.The anchoring riser 5 of pivoted housing 3 and anchor bar welding, be fixed on reliably on the first beam body 1, pivoted housing 3 and fluted shaft 7 little matched in clearance realize relative rotation angle that the first beam body 1 and the second beam body 2 are bigger and laterally promptly move axially relatively, relative rotation angle can realize that with the relative distance that laterally promptly moves axially movable comb plate 8 adopts keyway fit structure form and adopts the bolt secure fixation to be connected on the fluted shaft 7 by adjustment activity comb plate 8 with corresponding pivoted housing 3, leveling top board 4, leveling side plate 6 design gaps.8 of pivoted housing 3 and movable comb plates are provided with sealing rubber strip 9, and fixed fingers plate 10 and stainless steel slide plate 11 are arranged with the rubber fastening band 12 that an end and leveling side plate 6 fix, and reach reliable dustproof and waterproof effectiveness in vibration suppression.Movable comb plate 8 and 10 of fixed fingers plates are provided with the gap, and movable comb plate 8 is provided with and stainless steel slide plate 11 contacted excessive wearing plates 14.Then fixed fingers plate 10 is fixed on the second beam body 2 by anchor bolt, and movable comb plate 8 is by transition wearing plate 14 slip realization activity comb plate 8 and the relative vertically displacement of fixed fingers plate 10 low frictional resistances on stainless steel slide plate 11.8 design gaps of fixed fingers plate 10 and movable comb plate can require corresponding adjustment according to the fan-shaped displacement in beam-ends plane, realize the fan-shaped displacement requirement of two end carriage body planes.Adjacent movable comb plate 8 is connected by fixation kit 15, and each movable comb plate 8 is linked to be integral body, guarantees each movable comb plate 8 displacement simultaneously, improves traffic safety.The board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection provided by the utility model seals reliable, low frictional resistance, can satisfy bridge complicated displacement under special circumstances.
Claims (5)
1. the board-like bridge extension joint of the comb teeth shape of a multi-directional deflection, comprise the first beam body that is provided with movable comb plate, the second beam body that is provided with fixed fingers plate and stainless steel slide plate, it is characterized in that: the described first beam body is provided with the pivoted housing that has leveling top board, anchoring riser and leveling side plate, and little matched in clearance is provided with the fluted shaft that is connected with movable comb plate in the pivoted housing.
2. the board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection according to claim 1 is characterized in that: be provided with sealing rubber strip between described pivoted housing and movable comb plate.
3. the board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection according to claim 1 is characterized in that: described fixed fingers plate and stainless steel slide plate are arranged with the rubber fastening band that an end and leveling side plate fix.
4. according to the board-like bridge extension joint of comb teeth shape of claim 1 or 2 or 3 described a kind of multi-directional deflections, it is characterized in that: be provided with the gap between described movable comb plate and fixed fingers plate, movable comb plate is provided with and the contacted excessive wearing plate of stainless steel slide plate.
5. the board-like bridge extension joint of the comb teeth shape of a kind of multi-directional deflection according to claim 1, it is characterized in that: described adjacent movable comb plate is connected by fixation kit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201678574U CN202073034U (en) | 2011-05-24 | 2011-05-24 | Multidirectional displacement comb plate type bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201678574U CN202073034U (en) | 2011-05-24 | 2011-05-24 | Multidirectional displacement comb plate type bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202073034U true CN202073034U (en) | 2011-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201678574U Expired - Fee Related CN202073034U (en) | 2011-05-24 | 2011-05-24 | Multidirectional displacement comb plate type bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202073034U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306197A (en) * | 2013-05-21 | 2013-09-18 | 成都市新筑路桥机械股份有限公司 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
| CN104074133A (en) * | 2014-07-18 | 2014-10-01 | 衡水健达工程橡胶有限公司 | Multidirectional deflection comb plate telescopic device |
| CN104727219A (en) * | 2015-04-03 | 2015-06-24 | 衡水布朗科技有限公司 | Modularized multi-directional shifting comb-shaped bridge expansion device |
| CN105625171A (en) * | 2016-04-08 | 2016-06-01 | 宁波路宝科技实业集团有限公司 | Quickly installed bridge expansion joint device |
-
2011
- 2011-05-24 CN CN2011201678574U patent/CN202073034U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306197A (en) * | 2013-05-21 | 2013-09-18 | 成都市新筑路桥机械股份有限公司 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
| CN104074133A (en) * | 2014-07-18 | 2014-10-01 | 衡水健达工程橡胶有限公司 | Multidirectional deflection comb plate telescopic device |
| CN104074133B (en) * | 2014-07-18 | 2016-06-22 | 衡水健达工程橡胶有限公司 | A kind of multi-directional deflection fishback retractor device |
| CN104727219A (en) * | 2015-04-03 | 2015-06-24 | 衡水布朗科技有限公司 | Modularized multi-directional shifting comb-shaped bridge expansion device |
| CN105625171A (en) * | 2016-04-08 | 2016-06-01 | 宁波路宝科技实业集团有限公司 | Quickly installed bridge expansion joint device |
| CN105625171B (en) * | 2016-04-08 | 2017-10-03 | 宁波路宝科技实业集团有限公司 | A kind of Fast Installation bridge expansion joint installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20180524 |