CN110485285B - Multidirectional displacement bridge expansion joint device - Google Patents
Multidirectional displacement bridge expansion joint device Download PDFInfo
- Publication number
- CN110485285B CN110485285B CN201910768635.9A CN201910768635A CN110485285B CN 110485285 B CN110485285 B CN 110485285B CN 201910768635 A CN201910768635 A CN 201910768635A CN 110485285 B CN110485285 B CN 110485285B
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- China
- Prior art keywords
- lower bracket
- plate
- nut
- expansion joint
- bridge expansion
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a multidirectional displacement bridge expansion joint device which comprises a joint crossing plate and a fixed plate which are matched with each other, wherein the joint crossing plate is connected with embedded bars at the left side beam end through a first L-shaped bolt and a second L-shaped bolt respectively, and the fixed plate is connected with embedded bars at the right side beam end through two rows of third L-shaped bolts.
Description
Technical Field
The invention relates to a bridge expansion joint device, in particular to a multidirectional deflection bridge expansion joint device.
Background
In the operation process of the bridge engineering, creep, wind force effect and the like are caused by the influence of vehicle load, bridge self materials and air temperature, so that the bridge is contracted, stretched and deformed. The expansion device is one of important functional components of bridge engineering, and is usually installed between bridges and bridge abutment in order to meet the requirement of bridge deformation. In order to ensure that the vehicle runs safely and stably, the telescopic device arranged on the bridge needs to meet various changes of the beam body, and the common expansion joint of the comb plate has the advantage of stable running, but cannot meet the requirements of corner, deflection and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the multidirectional displacement bridge expansion joint device which can meet the requirements of the rotation angle and displacement of the bridge in the horizontal and vertical directions.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multidirectional bridge expansion joint device that shifts, includes seam board and fixed plate that mutually support, seam board that strides be connected with left beam-end embedded bar through first L type bolt and second L type bolt respectively, the fixed plate pass through two rows of third L type bolts and right beam-end embedded bar be connected, seam board's outside bottom along seam board's length direction welding have the pivot, the pivot evenly divide into a plurality of sections, first L type bolt's top be provided with down the bracket, the bottom extrados of pivot with the arc recess normal running fit of lower bracket upper surface, seam inboard and be located every section the both ends of pivot be provided with bulb nut respectively, bulb nut with seam board between be spherical cooperation, the pivot evenly divide into a plurality of sections
The first L-shaped bolt passes through the lower bracket and the seam crossing plate in turn upwards to be connected with the ball nut.
The ball head nut is arranged on the right side of the ball head nut, a first flange nut is correspondingly arranged in the joint plate, a rubber base plate is arranged at the bottom of the joint plate, and a second L-shaped bolt sequentially penetrates through the rubber base plate and is connected with the first flange nut.
The bottom of the lower bracket is provided with a first fine adjustment nut for fine adjustment of a gap between the lower bracket and the rotating shaft, and the first fine adjustment nut is sleeved outside the first L-shaped bolt and is connected with the first L-shaped bolt through threads.
The fixing plate is internally provided with a plurality of second flange nuts, the bottom of the fixing plate is provided with a stainless steel plate, and the third L-shaped bolt sequentially penetrates through the stainless steel plate upwards and is connected with the second flange nuts.
The bottom of corrosion resistant plate be provided with a plurality of rubber washers and second trimming nut, second trimming nut cover establish outside the third L type bolt and with third L type bolt pass through threaded connection, the rubber pad snare establish outside the third L type bolt and the rubber washer be located the corrosion resistant plate with second trimming nut between.
The lower bracket is a rectangular steel bar with the thickness of 25-35mm, and the arc-shaped groove on the upper surface of the lower bracket is a concave arc surface arranged in the lower bracket.
The lower bracket is a rectangular steel bar with the thickness of 10-20mm, an anti-collision baffle is welded on the outer side surface of the lower bracket, and the arc-shaped groove on the upper surface of the lower bracket is an arc-shaped steel plate with an inward concave arc surface welded on the lower bracket.
And a steel bar hoop used for fixedly connecting the lower bracket and the beam end embedded steel bars is arranged between the bottom of the lower bracket and the left side of the beam end embedded steel bars.
The lower bracket is L-shaped angle steel, the longitudinal part of the lower bracket is positioned between the seam crossing plate and the asphalt layer to form an anti-collision baffle, and the arc-shaped groove on the upper surface of the lower bracket is an arc-shaped steel plate welded on the transverse part of the lower bracket and provided with an inward concave arc surface.
And a steel bar hoop used for fixedly connecting the lower bracket and the beam end embedded steel bars is arranged between the bottom of the lower bracket and the left side of the beam end embedded steel bars.
Compared with the prior art, the invention has the advantages that: according to the multidirectional displacement bridge expansion joint device, the joint crossing plate and the fixing plate are respectively fixed on two beam bodies, and horizontal displacement of the expansion joint device is realized through movement coordination of comb teeth; the rotating shaft is welded on the seam crossing plate, and the rotating angle function in the vertical direction is realized through the rotating fit between the rotating shaft and the lower bracket; the ball nut is tightly connected with the first L-shaped bolt, so that a pressing force is applied to the rotating shaft, and the spherical surface fit between the ball nut and the seam crossing plate is adopted to realize the displacement requirement of the telescopic device; the device can meet the requirements of the rotation angle and deflection of the bridge in the horizontal and vertical directions, and can be suitable for concrete-free bridges.
Drawings
FIG. 1 is a schematic structural diagram of a multi-directional displacement bridge expansion joint device in example 1;
FIG. 2 is a cross-sectional view of A-A' of FIG. 1;
FIG. 3 is a sectional view of B-B' of FIG. 1;
FIG. 4 is a schematic structural diagram of a multi-directional displacement bridge expansion joint device in example 2;
FIG. 5 is a cross-sectional view of A-A' of FIG. 4;
FIG. 6 is a sectional view of B-B' of FIG. 4;
FIG. 7 is a schematic structural diagram of a multi-directional displacement bridge expansion joint device in example 3;
FIG. 8 is a cross-sectional view of A-A' of FIG. 7;
fig. 9 is a sectional view of B-B' of fig. 7.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1
The utility model provides a multidirectional displacement bridge expansion joint device, as shown in fig. 1, fig. 2 and fig. 3, including seam board 1 and fixed plate 2 that mutually support, seam board 1 is connected with left beam end embedded bar 5 through first L type bolt 3 and second L type bolt 4 respectively, fixed plate 2 is connected with right beam end embedded bar 5 through two rows of third L type bolts 6, the outside bottom of seam board 1 is followed seam board 1's length direction welding and is had pivot 7, pivot 7 evenly separates into a plurality of sections, the top of first L type bolt 3 is provided with down bracket 8, the bottom extrados of pivot 7 and the arc recess normal running fit of lower bracket 8 upper surface, be provided with bulb nut 9 in the seam board 1 and be located the both ends of every section pivot 7 respectively, be spherical cooperation between bulb nut 9 and the seam board 1, first L type bolt 3 upwards passes down bracket 8 in proper order, seam board 1 and bulb nut 9 are connected.
In this specific embodiment, a first flange nut 10 is correspondingly arranged in the joint plate 1 and positioned on the right side of the ball nut 9, a rubber backing plate 11 is arranged at the bottom of the joint plate 1, and the second L-shaped bolt 4 sequentially penetrates through the rubber backing plate 11 and the joint plate 1 to be connected with the first flange nut 10. The bottom of the lower bracket 8 is provided with a first fine adjustment nut 12 for fine adjustment of the gap between the lower bracket 8 and the rotating shaft 7, and the first fine adjustment nut 12 is sleeved outside the first L-shaped bolt 3 and is connected with the first L-shaped bolt 3 through threads. A plurality of second flange nuts 13 are arranged in the fixed plate 2, a stainless steel plate 14 is arranged at the bottom of the fixed plate 2, and the third L-shaped bolts 6 sequentially penetrate through the stainless steel plate 14 and the fixed plate 2 to be connected with the second flange nuts 13. The bottom of the stainless steel plate 14 is provided with a plurality of groups of rubber washers 15 and second fine adjustment nuts 16, the second fine adjustment nuts 16 are sleeved outside the third L-shaped bolts 6 and are connected with the third L-shaped bolts 6 through threads, the rubber washers 15 are sleeved outside the third L-shaped bolts 6, and the rubber washers 15 are located between the stainless steel plate 14 and the second fine adjustment nuts 16. The lower bracket 8 is a rectangular steel bar with the thickness of 25-35mm, and the arc-shaped groove on the upper surface of the lower bracket 8 is a concave arc surface arranged in the lower bracket 8.
Example 2
The difference from the above embodiment 1 is that: as shown in fig. 4, 5 and 6, the lower bracket 8 is a rectangular steel bar with the thickness of 10-20mm, the outer side surface of the lower bracket 8 is welded with an anti-collision baffle 17, the arc-shaped groove on the upper surface of the lower bracket 8 is an arc-shaped steel plate 18 with an inward concave arc surface welded on the lower bracket 8, and a steel bar hoop 19 for fixedly connecting the lower bracket 8 and the left beam end embedded steel bar 5 is arranged between the bottom of the lower bracket 8 and the left beam end embedded steel bar 5.
Example 3
The difference from the above embodiment 1 is that: as shown in fig. 7, 8 and 9, the lower bracket 8 is an L-shaped angle steel, an anti-collision baffle 17 is formed between the seam crossing plate 1 and the asphalt layer 20 at the longitudinal position of the lower bracket 8, an arc-shaped groove on the upper surface of the lower bracket 8 is an arc-shaped steel plate 18 welded on the transverse part of the lower bracket and provided with an indent cambered surface, and a steel bar hoop 19 for fixedly connecting the lower bracket 8 and the left beam end embedded steel bar 5 is arranged between the bottom of the lower bracket 8 and the left beam end embedded steel bar 5.
The above description is not intended to limit the invention, nor is the invention limited to the examples described above. Variations, modifications, additions, or substitutions will occur to those skilled in the art and are therefore within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a multidirectional bridge expansion joint device that shifts, includes the seam board and the fixed plate of striding of mutually supporting, stride the seam board and be connected with left beam-end embedded bar through first L type bolt and second L type bolt respectively, the fixed plate pass through two rows of third L type bolts and right side beam-end embedded bar be connected, its characterized in that: the outer bottom of striding the seam board along striding the seam board length direction welding have the pivot, the pivot evenly separate into a plurality of sections, the top of first L type bolt be provided with down the bracket, the bottom extrados of pivot with the arc recess normal running fit of lower bracket upper surface, stride the seam inboard and lie in every section the both ends of pivot be provided with the bulb nut respectively, the bulb nut with stride and be spherical cooperation between the seam board, first L type bolt upwards pass down the bracket in proper order stride the seam board with the bulb nut connect.
2. The multi-directional deflection bridge expansion joint device according to claim 1, wherein: the ball head nut is arranged on the right side of the ball head nut, a first flange nut is correspondingly arranged in the joint plate, a rubber base plate is arranged at the bottom of the joint plate, and a second L-shaped bolt sequentially penetrates through the rubber base plate and is connected with the first flange nut.
3. The multi-directional deflection bridge expansion joint device according to claim 2, wherein: the bottom of the lower bracket is provided with a first fine adjustment nut for fine adjustment of a gap between the lower bracket and the rotating shaft, and the first fine adjustment nut is sleeved outside the first L-shaped bolt and is connected with the first L-shaped bolt through threads.
4. A multidirectional displacement bridge expansion joint device according to claim 3, wherein: the fixing plate is internally provided with a plurality of second flange nuts, the bottom of the fixing plate is provided with a stainless steel plate, and the third L-shaped bolt sequentially penetrates through the stainless steel plate upwards and is connected with the second flange nuts.
5. The multi-directional deflection bridge expansion joint device according to claim 4, wherein: the bottom of corrosion resistant plate be provided with a plurality of rubber washers and second trimming nut, second trimming nut cover establish outside the third L type bolt and with third L type bolt pass through threaded connection, the rubber pad snare establish outside the third L type bolt and the rubber washer be located the corrosion resistant plate with second trimming nut between.
6. A multidirectional displacement bridge expansion joint according to any one of claims 1-5, wherein: the lower bracket is a rectangular steel bar with the thickness of 25-35mm, and the arc-shaped groove on the upper surface of the lower bracket is a concave arc surface arranged in the lower bracket.
7. A multidirectional displacement bridge expansion joint according to any one of claims 1-5, wherein: the lower bracket is a rectangular steel bar with the thickness of 10-20mm, an anti-collision baffle is welded on the outer side surface of the lower bracket, and the arc-shaped groove on the upper surface of the lower bracket is an arc-shaped steel plate with an inward concave arc surface welded on the lower bracket.
8. The multi-directional deflection bridge expansion joint device according to claim 7, wherein: and a steel bar hoop used for fixedly connecting the lower bracket and the beam end embedded steel bars is arranged between the bottom of the lower bracket and the left side of the beam end embedded steel bars.
9. A multidirectional displacement bridge expansion joint according to any one of claims 1-5, wherein: the lower bracket is L-shaped angle steel, the longitudinal part of the lower bracket is positioned between the seam crossing plate and the asphalt layer to form an anti-collision baffle, and the arc-shaped groove on the upper surface of the lower bracket is an arc-shaped steel plate welded on the transverse part of the lower bracket and provided with an inward concave arc surface.
10. The multi-directional deflection bridge expansion joint device according to claim 9, wherein: and a steel bar hoop used for fixedly connecting the lower bracket and the beam end embedded steel bars is arranged between the bottom of the lower bracket and the left side of the beam end embedded steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768635.9A CN110485285B (en) | 2019-08-20 | 2019-08-20 | Multidirectional displacement bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768635.9A CN110485285B (en) | 2019-08-20 | 2019-08-20 | Multidirectional displacement bridge expansion joint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485285A CN110485285A (en) | 2019-11-22 |
| CN110485285B true CN110485285B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910768635.9A Active CN110485285B (en) | 2019-08-20 | 2019-08-20 | Multidirectional displacement bridge expansion joint device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110485285B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853962A (en) * | 2021-03-05 | 2021-05-28 | 上海汇城建筑装饰有限公司 | Comb-shaped expansion device for bridge with longitudinal displacement and vertical rotation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873100A (en) * | 2006-06-14 | 2006-12-06 | 徐斌 | Bridge expansion joint installation of possessing multidirectional displacement capabilities |
| CN1873101A (en) * | 2006-06-14 | 2006-12-06 | 徐斌 | Bridge expansion joint installation of resisting multidirectional displacements |
| WO2006131051A1 (en) * | 2005-06-05 | 2006-12-14 | Bin Xu | A module type comb-shaped bridge expansion joint device for resisting a super dislocation |
| KR20090114782A (en) * | 2008-04-30 | 2009-11-04 | 김성길 | A finger joint structure for bridge |
| CN201942997U (en) * | 2010-12-17 | 2011-08-24 | 成都市新筑路桥机械股份有限公司 | Bending-deformation-resistance comb tooth type bridge telescopic device |
| CN102561177A (en) * | 2010-12-17 | 2012-07-11 | 成都市新筑路桥机械股份有限公司 | Comb teeth type anti-deflection bridge expansion device |
| WO2016041248A1 (en) * | 2014-09-16 | 2016-03-24 | 刘祖江 | Cantilever type multidirectional displacement bolt-free comb plate extensible apparatus and mounting method therefor |
| CN207619831U (en) * | 2017-11-27 | 2018-07-17 | 深圳市交运工程集团有限公司 | Bridge broach expansion joint |
| CN210916995U (en) * | 2019-08-20 | 2020-07-03 | 宁波路宝科技实业集团有限公司 | Multidirectional bridge expansion joint device that shifts |
-
2019
- 2019-08-20 CN CN201910768635.9A patent/CN110485285B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006131051A1 (en) * | 2005-06-05 | 2006-12-14 | Bin Xu | A module type comb-shaped bridge expansion joint device for resisting a super dislocation |
| CN1873100A (en) * | 2006-06-14 | 2006-12-06 | 徐斌 | Bridge expansion joint installation of possessing multidirectional displacement capabilities |
| CN1873101A (en) * | 2006-06-14 | 2006-12-06 | 徐斌 | Bridge expansion joint installation of resisting multidirectional displacements |
| KR20090114782A (en) * | 2008-04-30 | 2009-11-04 | 김성길 | A finger joint structure for bridge |
| CN201942997U (en) * | 2010-12-17 | 2011-08-24 | 成都市新筑路桥机械股份有限公司 | Bending-deformation-resistance comb tooth type bridge telescopic device |
| CN102561177A (en) * | 2010-12-17 | 2012-07-11 | 成都市新筑路桥机械股份有限公司 | Comb teeth type anti-deflection bridge expansion device |
| WO2016041248A1 (en) * | 2014-09-16 | 2016-03-24 | 刘祖江 | Cantilever type multidirectional displacement bolt-free comb plate extensible apparatus and mounting method therefor |
| CN207619831U (en) * | 2017-11-27 | 2018-07-17 | 深圳市交运工程集团有限公司 | Bridge broach expansion joint |
| CN210916995U (en) * | 2019-08-20 | 2020-07-03 | 宁波路宝科技实业集团有限公司 | Multidirectional bridge expansion joint device that shifts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110485285A (en) | 2019-11-22 |
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