CN203213008U - Highway bridge expansion device - Google Patents
Highway bridge expansion device Download PDFInfo
- Publication number
- CN203213008U CN203213008U CN 201320219858 CN201320219858U CN203213008U CN 203213008 U CN203213008 U CN 203213008U CN 201320219858 CN201320219858 CN 201320219858 CN 201320219858 U CN201320219858 U CN 201320219858U CN 203213008 U CN203213008 U CN 203213008U
- Authority
- CN
- China
- Prior art keywords
- plate
- elastic support
- steel plate
- highway bridge
- lower steel
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a highway bridge expansion device and relates to the technical field of bridge engineering facilities. The highway bridge expansion device is structurally characterized in that an elastic support is disposed below a moving comb-tooth plate, an upper steel plate is arranged at the top end of the elastic support, a lower steel plate is disposed at the bottom end of the elastic support, the moving comb-tooth plate is fixedly connected with the upper and lower steel plates through fastening bolts, a vertical support plate is arranged outside the elastic support in the bridge direction and is welded to an embedded plate, the lower steel plate is fixedly connected with the embedded steel plate and a first beam A through L-shaped anchor bolts, and a water guide device is disposed between two expansion joints below the elastic support. The highway bridge expansion device is simple in structure and reasonable in design; under the buffer action of the elastic support, vehicles running on a bridge deck are stable and safe; load buffering, shock reduction and noise reduction are achieved; the problem that tooth breakage is caused by the fact that expansion slide end teeth suspend easily is solved effectively.
Description
Technical field
The utility model relates to bridge engineering facility technology field, relates to a kind of highway bridge stretching device particularly.
Background technology
Development along with bridge construction, for in, greatly stride the footpath bridge, most of board-like bridge extension joint of steel comb that uses, this device is made the broach shape with steel plate, behind the leap clearance of expansion rail, rides on the other end steel plate, can bear bigger suitable bridge to horizontal displacement, because the rigidity of this structure own is bigger, anti-impact force is strong, therefore extensively adopts in engineering.In the prior art, many problems in use appear in this class stretching device, as in concrete-bridge, because the concrete leveling layer below the tooth plate is uneven and the rotation of beam-ends, occur easily coming to nothing at flexible slip end tooth and cause the problem of broken teeth, have lateral clearance, road-ability is not good, can't satisfy the demand that highway bridge develops rapidly.
Summary of the invention
The purpose of this utility model provides a kind of highway bridge stretching device, and it is both simple in structure, reasonable in design, can prevent broken teeth again, also can play the buffering load, reduce the effect that shakes, reduces noise.
Task of the present utility model is achieved through the following technical solutions.A kind of highway bridge stretching device, comprise movable comb plate 1, fixed fingers plate 2, the first beam body A, the second beam body B, be provided with elastic support 4 below the movable comb plate 1 of its design feature, elastic support 4 tops are provided with upper steel plate 5, its bottom is provided with lower steel plate 6, movable comb plate 1 and upper steel plate 5, lower steel plate 6 is fixedly connected by fastening bolt 7, the outside of elastic support 4 is erected gripper shoe 3 along bridge to being provided with, perpendicular gripper shoe 3 and pre-embedded steel slab 8 welding, lower steel plate 6 and pre-embedded steel slab 8, the first beam body A is fixedly connected by L shaped anchor bolt 9, is being provided with water guider 10 below the elastic support 4 between two shrinkage joint.
Its design feature is that the below of fixed fingers plate 2 is provided with stainless steel slide plate 11, its below is provided with elastic support 4, fixed fingers plate 2 is fixedlyed connected by fastening bolt 7 with stainless steel slide plate 11, upper steel plate 5, elastic support 4, and lower steel plate 6 is fixedlyed connected by L shaped anchor bolt 9 with pre-embedded steel slab 8, the second beam body B.
Its design feature is that elastic support 4 adopts natural rubber, is reserved with vertical steel spring body in it, and fastening bolt 7 penetrates wherein, and upper steel plate 5, lower steel plate 6 are one with elastic support 4 sulfurations.
Good effect of the present utility model is: 1, the utility model is simple in structure, reasonable in design, has lower vertical rigidity, cushioning effect by elastic support, stretching device is remained and being close to of beam body, reach counterbalance effect, guarantee steady, the safety of bridge floor driving, also can play the buffering load, reduce the effect that shakes, reduces noise.2, comb plate below is provided with perpendicular gripper shoe, can prevent from effectively that coming to nothing from appearring in slip end tooth easily that stretch to cause the problem of broken teeth.
Description of drawings
The structural representation of a kind of highway bridge stretching device that Fig. 1 the utility model provides.
The movable comb plate of 1-among the figure, 2-fixed fingers plate, 3-erects gripper shoe, 4-elastic support, 5-upper steel plate, 6-lower steel plate, 7-fastening bolt, 8-pre-embedded steel slab, 9-L shape anchor bolt, 10-water guider, 11-stainless steel slide plate, the A-first beam body, the B-second beam body.
The specific embodiment
Below in conjunction with accompanying drawing 1, the detail of a kind of highway bridge stretching device that the utility model proposes is described in detail.A kind of highway bridge stretching device, comprise movable comb plate 1, fixed fingers plate 2, the first beam body A, the second beam body B, be provided with elastic support 4 below the movable comb plate 1, elastic support 4 tops are provided with upper steel plate 5, its bottom is provided with lower steel plate 6, movable comb plate 1 and upper steel plate 5, lower steel plate 6 is fixedly connected by fastening bolt 7, the outside of elastic support 4 is erected gripper shoe 3 along bridge to being provided with, perpendicular gripper shoe 3 and pre-embedded steel slab 8 welding, lower steel plate 6 and pre-embedded steel slab 8, the first beam body A is fixedly connected by L shaped anchor bolt 9, is being provided with water guider 10 below the elastic support 4 between two shrinkage joint; The below of fixed fingers plate 2 is provided with stainless steel slide plate 11, its below is provided with elastic support 4, fixed fingers plate 2 is fixedlyed connected by fastening bolt 7 with stainless steel slide plate 11, upper steel plate 5, elastic support 4, and lower steel plate 6 is fixedlyed connected by L shaped anchor bolt 9 with pre-embedded steel slab 8, the second beam body B; Elastic support 4 adopts natural rubber, is reserved with vertical steel spring body in it, and fastening bolt 7 penetrates wherein, and upper steel plate 5, lower steel plate 6 are one with elastic support 4 sulfurations.During installation, with the first beam body A, foreign material on the pre-embedded steel slab 8 in the second beam body B are cleaned out, top one side of pre-embedded steel slab 8 is welded with perpendicular gripper shoe 3 respectively, lower steel plate 6 and pre-embedded steel slab 8, the first beam body A or the second beam body B are fixedly connected by L shaped anchor bolt 9, flexible bearing 4 above the lower steel plate 6, upper steel plate 5, three's sulfuration is one, the surface of upper steel plate 5 is surperficial concordant with perpendicular gripper shoe 3, above movable comb plate 1 is placed on, to position, good hole, fixedly connected with fastening bolt 7, in like manner, pre-embedded steel slab 8 and lower steel plate 6 anchor connections of the second beam body B, flexible bearing 4 above the lower steel plate 6, upper steel plate 5, three's sulfuration is one, upper steel plate 5 surperficial fixedly connected stainless steel slide plates 11, fixed fingers plate 2 and stainless steel slide plate 11, elastic support 4 usefulness fastening bolts 7 are fixedly connected, movable comb plate 1 rides on the stainless steel slide plate 11 and 2 pairs of good teeth of fixed fingers plate position, intersect and settle, guarantee the surface of device comb plate and bridge floor on same plane, stride the movable comb plate 1 of seam and fixed fingers plate 2 below and build C50 steel fibrous concrete and floating on every side.The utlity model has and install fast, easy, sound construction by the cushioning effect of elastic support, remains and being close to of beam body stretching device, reaches counterbalance effect, guarantee the bridge floor driving steadily, safety and comfortableness.
Claims (3)
1. highway bridge stretching device, comprise movable comb plate (1), fixed fingers plate (2), the first beam body A, the second beam body B, it is characterized in that movable comb plate (1) below be provided with elastic support (4), elastic support (4) top is provided with upper steel plate (5), its bottom is provided with lower steel plate (6), movable comb plate (1) and upper steel plate (5), lower steel plate (6) is fixedly connected by fastening bolt (7), the suitable bridge in the outside of elastic support (4) is to being provided with perpendicular gripper shoe (3), perpendicular gripper shoe (3) and pre-embedded steel slab (8) welding, lower steel plate (6) and pre-embedded steel slab (8), the first beam body A is fixedly connected by L shaped anchor bolt (9), is provided with water guider (10) between two shrinkage joint, below of elastic support (4).
2. a kind of highway bridge stretching device according to claim 1, the below that it is characterized in that fixed fingers plate (2) is provided with stainless steel slide plate (11), its below is provided with elastic support (4), fixed fingers plate (2) is fixedlyed connected by fastening bolt (7) with stainless steel slide plate (11), upper steel plate (5), elastic support (4), and lower steel plate (6) is fixedlyed connected by L shaped anchor bolt (9) with pre-embedded steel slab (8), the second beam body B.
3. a kind of highway bridge stretching device according to claim 1, it is characterized in that elastic support (4) adopts natural rubber, be reserved with vertical steel spring body in it, fastening bolt (7) penetrates wherein, and upper steel plate (5), lower steel plate (6) are one with elastic support (4) sulfuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219858 CN203213008U (en) | 2013-04-22 | 2013-04-22 | Highway bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219858 CN203213008U (en) | 2013-04-22 | 2013-04-22 | Highway bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203213008U true CN203213008U (en) | 2013-09-25 |
Family
ID=49202557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219858 Expired - Fee Related CN203213008U (en) | 2013-04-22 | 2013-04-22 | Highway bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203213008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510468A (en) * | 2013-10-17 | 2014-01-15 | 宁波路宝科技实业集团有限公司 | Non-concrete type bridge expansion joint device |
| CN104099862A (en) * | 2014-07-22 | 2014-10-15 | 衡水鑫盛达新材料科技有限公司 | Elastic multi-displacement comb tooth bridge expanding and contracting device |
-
2013
- 2013-04-22 CN CN 201320219858 patent/CN203213008U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510468A (en) * | 2013-10-17 | 2014-01-15 | 宁波路宝科技实业集团有限公司 | Non-concrete type bridge expansion joint device |
| CN104099862A (en) * | 2014-07-22 | 2014-10-15 | 衡水鑫盛达新材料科技有限公司 | Elastic multi-displacement comb tooth bridge expanding and contracting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140422 |