CN106835967A - A kind of bridge extension joint - Google Patents
A kind of bridge extension joint Download PDFInfo
- Publication number
- CN106835967A CN106835967A CN201611244771.0A CN201611244771A CN106835967A CN 106835967 A CN106835967 A CN 106835967A CN 201611244771 A CN201611244771 A CN 201611244771A CN 106835967 A CN106835967 A CN 106835967A
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- CN
- China
- Prior art keywords
- column
- displacement case
- fixedly connected
- expansion link
- displacement
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- 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.)
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge extension joint, including the first column and the second column, and second column left end be fixedly connected with the supporting plate of horizontal positioned, the supporting plate is inserted inside the first column, displacement case is provided between first column and the second column, the displacement bottom portion is provided with the roller that side is slided on the supporting plate, the displacement case is left, right two ends are fixed with symmetrical expansion link, and expansion link outside is provided with spring, the expansion link top is provided with support bar, the support bar front of displacement case left end is fixedly connected with the second sliding block being arranged on inside the first column, the support bar front of displacement case right-hand member is fixedly connected with the 3rd sliding block being arranged on inside the second column, between first column and displacement case, waterstop is provided between second column and displacement case.The beneficial effects of the invention are as follows：Reasonable in design, low cost of manufacture can adapt to bridge change at different conditions.
Description
Technical field
The invention belongs to retractor device technical field, and in particular to a kind of bridge extension joint.
Background technology
Bridge extension joint refer to for meet bridge floor deformation requirement, generally between two beam-ends, between beam-ends and abutment or
Retractor device is set in the articulated position of bridge, it is desirable to which retractor device is in both directions parallel, perpendicular to bridge axes, equal energy
Freely stretch, it is solid and reliable, should be smoothed out when vehicle runs over, without kick and noise；Can prevent rainwater and rubbish soil from oozing resistance
Plug；Install, check, conserving, eliminating dirt will simple and convenient.Setting at expansion joint, railing will disconnect with deck paving.
Bridge extension joint can be divided into galvanized sheet metal retractor device, steel and stretch retractor device, Telescopic rubber device.Wherein plate
Zinc sheet metal retractor device, on the Fabricated Simple Supported Beams bridge of Mid and minor spans, when beam deflection within 20-40mm often
From；Steel stretches retractor device, and its construction is more complicated, is only just adopted on the larger area of the temperature difference or the larger bridge of across footpath
With.Steel retractor device is also suitable for and is used on skew bridge；Telescopic rubber device, it is using rubber strip as across seam material.It is this to stretch
The simple structure of compression apparatus, easy to use, effect is good.On the larger long-span bridge of deflection, rubber and steel plate can be used
The retractor device of combination.
During bridge use, in order to ensure bridge structure in normal conditions of use due to the change of outside environmental elements
Change, for example, temperature change, load change and cause that mixed mud is shunk or stretching is, it is necessary between the girder of bridge, girder and bridge
Gap is set between platform or between girder and parados, and expansion joint or retractor device are installed in these gaps, so that bridge
Inside can freely deform, so as to ensure the vehicle of top can smoothly pass through, bridge extension joint, stretches in the prior art
Contracting effect is poor, and relatively costly.
The content of the invention
It is an object of the invention to provide a kind of bridge extension joint, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of bridge extension joint, including the first column and
Second column, second column is arranged on the first column right side, and the second column left end is fixedly connected with the branch of horizontal positioned
Fagging, the supporting plate is inserted inside the first column, and supporting plate left end is fixed with the first cunning moved inside the first column
Block, is provided with displacement case between first column and the second column, it is sliding that the displacement bottom portion is provided with side on the supporting plate
Dynamic roller, the left and right two ends of displacement case are fixed with symmetrical expansion link, and the expansion link top is provided with support
Bar, the support bar is symmetrically distributed in the left and right sides of displacement case, and is fixedly connected with displacement case, the support bar of displacement case left end
Front is fixedly connected with the second sliding block being arranged on inside the first column, and the support bar front of displacement case right-hand member is fixedly connected with and sets
The 3rd sliding block inside the second column is put, is all provided between first column and displacement case, between the second column and displacement case
It is equipped with waterstop.
Preferably, the first sliding block right-hand member is provided with block, and block is fixed on inside the first column.
Preferably, described waterstop or so two ends are provided with and location hole are evenly arranged with fixed plate, and fixed plate, described
First column, the second column are provided with the mounting bracket being fixedly connected with displacement box top.
Preferably, the fixed plate outside is provided with pressing plate, and pressing plate and fixed plate are fixed by screws on mounting bracket.
Preferably, the expansion link is horizontally disposed with, and expansion link outside is provided with spring, the expansion link of displacement case left end with
First column is fixedly connected, and the expansion link of displacement case right-hand member is fixedly connected with the second column.
Technique effect of the invention and advantage：The bridge extension joint, by the design of support bar, with temperature or load
Change, can be realized in the first column and the second column internal slide flexible；By the design of supporting plate, one side supporting plate
Can be in the first column internal slide, and supporting plate lower section is provided with block, is prevented between the first column and the second column
Stretching is excessive to be caused to be completely separated, and on the other hand, can play a part of bracing displacement case, and the roller in displacement bottom portion can be
Freely rolled in supporting plate；
By the design of fixed plate, fixed plate is fixedly connected with waterstop, when waterstop is installed, only need to be by the fixed plate at two ends
It is enclosed within mounting bracket, is compressed by pressing plate, and be fixed by screw, installs more convenient, and in fixed plate, with positioning
Hole, improves the accuracy installed.The bridge extension joint, reasonable in design, low cost of manufacture can adapt to bridge in difference
Under the conditions of change.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of fixed plate of the present invention；
Fig. 3 is the structural representation after pressing plate of the present invention and fixed plate installation diagram.
In figure：1 first column, 2 second columns, 3 displacement casees, 4 supporting plates, 5 first sliding blocks, 6 blocks, 7 support bars, 8
Three sliding blocks, 9 second sliding blocks, 10 expansion links, 11 springs, 12 rollers, 13 waterstops, 14 pressing plates, 15 mounting brackets, 16 fixed plates, 17
Location hole, 18 screws.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention provides a kind of bridge extension joint as Figure 1-3, including the first column 1 and the second column 2, institute
State the second column 2 and be arranged on the right side of the first column 1, and the left end of the second column 2 is fixedly connected with the supporting plate 4 of horizontal positioned, institute
Supporting plate 4 is stated to insert inside the first column 1, and the left end of supporting plate 4 is fixed with the first sliding block 5 moved inside the first column 1,
When temperature or load change, the first sliding block 5 is moved in the first column 1, and the right-hand member of the first sliding block 5 is provided with block
6, and block 6 is fixed on inside the first column 1, block 6 is prevented from that the sliding distance of the first sliding block 5 is excessive to cause the first column 1
And second be completely separated between column 2, displacement case 3, the displacement case 3 are provided between the column 2 of first column 1 and second
Bottom is provided with the roller 12 slided in the top of supporting plate 4, and the left and right two ends of the displacement case 3 are fixed with symmetrical stretching
Bar 10.
Further, the expansion link 10 is horizontally disposed with, and the outside of expansion link 10 is provided with spring 11, the left end of displacement case 3
Expansion link 10 is fixedly connected with the first column 1, and the expansion link 10 of the right-hand member of displacement case 3 is fixedly connected with the second column 2, described flexible
The top of bar 10 is provided with support bar 7, and the support bar 7 is symmetrically distributed in the left and right sides of displacement case 3, and is fixed with displacement case 3
Connection, the front of support bar 7 of the left end of displacement case 3 is fixedly connected with the second sliding block 9 being arranged on inside the first column 1, displacement case 3
The front of support bar 7 of right-hand member is fixedly connected with the 3rd sliding block 8 being arranged on inside the second column 2, the roller 12 of the bottom of displacement case 3
Rolled in supporting plate 4, support bar 7 is by the second sliding block 9 and the 3rd sliding block 8 respectively inside the first column 1 and the second column 2
Slide.
Further, between first column 1 and displacement case 3, between the second column 2 and displacement case 3 it is provided with sealing
Band 13, the two ends of the waterstop 13 or so are provided with and location hole 17 are evenly arranged with fixed plate 16, and fixed plate 16, and described the
One column 1, the second column 2 are provided with the mounting bracket 15 being fixedly connected with the top of displacement case 3, and the outside of the fixed plate 16 is set
There is pressing plate 14, and pressing plate 14 and fixed plate 16 are fixed on mounting bracket 15 by screw 18.
Specifically, the bridge extension joint, when using, due to the change of temperature, pontic can expand with heat and contract with cold, and work as heat expansion
When, the supporting plate 4 on the second column 2 is slided to the right from inside the first column 1, while the first column 1 and the second column 2 relative to
Displacement case 3 is to two side shiftings, and second sliding block 9 and the 3rd sliding block 8 at the two ends of displacement case 3 are sliding in the first column 1, the second column 2
Dynamic, the movement in supporting plate 4 of displacement case 3 can play a part of adjustment, and expansion link 10 is elongated, and simultaneous retractable bar 10 can
The first column 1 is prevented to be subjected to displacement in the vertical with the second column 2；When shrinkage, between the first column 1 and the second column 2 between
Gap diminishes, and is drawn close to displacement case 3, and supporting plate 4 is to the internal motion of the first column 1, while the second sliding block 9 and the 3rd sliding block 8 are
, to two Slideslips, the roller 12 of the bottom of displacement case 3 is rolled in supporting plate 4, for adjusting the first column for one column 1, the second column 2
1 and the stress balance at the two ends of the second column 2, when waterstop 13 is installed, fixed plate 16 is enclosed within mounting bracket 15, and by pressure
Plate 14 is compressed, and screw 18 is fixed, easy for installation, and cost is relatively low.The bridge extension joint, reasonable in design,
Low cost of manufacture, can adapt to bridge change at different conditions.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent carried out to which part technical characteristic,
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (5)
1. a kind of bridge extension joint, including the first column（1）With the second column（2）, it is characterised in that：Second column
（2）It is arranged on the first column（1）Right side, and the second column（2）Left end is fixedly connected with the supporting plate of horizontal positioned（4）, it is described
Supporting plate（4）Insert the first column（1）Inside, and supporting plate（4）Left end is fixed with the first column（1）The first of inside movement
Sliding block（5）, first column（1）With the second column（2）Between be provided with displacement case（3）, the displacement case（3）Install bottom
Have in supporting plate（4）The roller that top is slided（12）, the displacement case（3）Left and right two ends are fixed with symmetrical expansion link
（10）, the expansion link（10）Top is provided with support bar（7）, the support bar（7）It is symmetrically distributed in displacement case（3）Left and right
Both sides, and with displacement case（3）It is fixedly connected, displacement case（3）The support bar of left end（7）Front be fixedly connected be arranged on first stand
Post（1）The second internal sliding block（9）, displacement case（3）The support bar of right-hand member（7）Front is fixedly connected with and is arranged on the second column
（2）The 3rd internal sliding block（8）, first column（1）With displacement case（3）Between, the second column（2）With displacement case（3）It
Between be provided with waterstop（13）.
2. a kind of bridge extension joint according to claim 1, it is characterised in that：First sliding block（5）Right-hand member is set
There is block（6）, and block（6）It is fixed on the first column（1）It is internal.
3. a kind of bridge extension joint according to claim 1, it is characterised in that：The waterstop（13）Left and right two ends set
It is equipped with fixed plate（16）, and fixed plate（16）On be evenly arranged with location hole（17）, first column（1）, the second column（2）
With displacement case（3）Top is provided with the mounting bracket being fixedly connected（15）.
4. a kind of bridge extension joint according to claim 3, it is characterised in that：The fixed plate（16）Outside is provided with
Pressing plate（14）, and pressing plate（14）And fixed plate（16）By screw（18）It is fixed on mounting bracket（15）On.
5. a kind of bridge extension joint according to claim 1, it is characterised in that：The expansion link（10）It is horizontally disposed,
And expansion link（10）Outside is provided with spring（11）, displacement case（3）The expansion link of left end（10）With the first column（1）It is fixed to connect
Connect, displacement case（3）The expansion link of right-hand member（10）With the second column（2）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244771.0A CN106835967B (en) | 2016-12-29 | 2016-12-29 | A kind of bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244771.0A CN106835967B (en) | 2016-12-29 | 2016-12-29 | A kind of bridge extension joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106835967A true CN106835967A (en) | 2017-06-13 |
| CN106835967B CN106835967B (en) | 2018-08-31 |
Family
ID=59113240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611244771.0A Active CN106835967B (en) | 2016-12-29 | 2016-12-29 | A kind of bridge extension joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106835967B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625280A (en) * | 2018-04-11 | 2018-10-09 | 王涛 | A kind of bridge expanded joint structure and its construction method |
| CN108643034A (en) * | 2018-04-11 | 2018-10-12 | 王涛 | A kind of expansion joint cover and its construction method |
| CN110607744A (en) * | 2019-09-24 | 2019-12-24 | 福建华成路桥工程有限公司 | Road bridge extending structure for preventing vehicle bump at bridge head |
| CN113430925A (en) * | 2021-07-14 | 2021-09-24 | 辽宁工程技术大学 | Novel anti resonance expansion joint of bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120237295A1 (en) * | 2011-03-16 | 2012-09-20 | Central Japan Railway Company | Jointing structure in vehicle travelling path joints and the like having expansion function and method of mounting elastic member therein |
| CN103911947A (en) * | 2014-04-01 | 2014-07-09 | 秦皇岛路桥建设开发有限公司 | Bridge extending and contracting device |
| CN105696462A (en) * | 2016-03-23 | 2016-06-22 | 成都新筑展博环保科技有限公司 | Slide moving box of bridge expansion and retraction device |
| CN105735124A (en) * | 2016-04-15 | 2016-07-06 | 泉州市莱特灯具有限公司 | Bridge expansion joint coverage device capable of stably running |
| CN105926434A (en) * | 2016-05-26 | 2016-09-07 | 哈尔滨金玉科技开发有限公司 | Bridge expansion device |
| CN205604070U (en) * | 2016-03-04 | 2016-09-28 | 王敏 | Bridge seam device |
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2016
- 2016-12-29 CN CN201611244771.0A patent/CN106835967B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120237295A1 (en) * | 2011-03-16 | 2012-09-20 | Central Japan Railway Company | Jointing structure in vehicle travelling path joints and the like having expansion function and method of mounting elastic member therein |
| CN103911947A (en) * | 2014-04-01 | 2014-07-09 | 秦皇岛路桥建设开发有限公司 | Bridge extending and contracting device |
| CN205604070U (en) * | 2016-03-04 | 2016-09-28 | 王敏 | Bridge seam device |
| CN105696462A (en) * | 2016-03-23 | 2016-06-22 | 成都新筑展博环保科技有限公司 | Slide moving box of bridge expansion and retraction device |
| CN105735124A (en) * | 2016-04-15 | 2016-07-06 | 泉州市莱特灯具有限公司 | Bridge expansion joint coverage device capable of stably running |
| CN105926434A (en) * | 2016-05-26 | 2016-09-07 | 哈尔滨金玉科技开发有限公司 | Bridge expansion device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625280A (en) * | 2018-04-11 | 2018-10-09 | 王涛 | A kind of bridge expanded joint structure and its construction method |
| CN108643034A (en) * | 2018-04-11 | 2018-10-12 | 王涛 | A kind of expansion joint cover and its construction method |
| CN110607744A (en) * | 2019-09-24 | 2019-12-24 | 福建华成路桥工程有限公司 | Road bridge extending structure for preventing vehicle bump at bridge head |
| CN113430925A (en) * | 2021-07-14 | 2021-09-24 | 辽宁工程技术大学 | Novel anti resonance expansion joint of bridge |
| CN113430925B (en) * | 2021-07-14 | 2023-01-31 | 辽宁工程技术大学 | Anti-resonance expansion joint of bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106835967B (en) | 2018-08-31 |
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