CN106835967B - A kind of bridge extension joint - Google Patents
A kind of bridge extension joint Download PDFInfo
- Publication number
- CN106835967B CN106835967B CN201611244771.0A CN201611244771A CN106835967B CN 106835967 B CN106835967 B CN 106835967B CN 201611244771 A CN201611244771 A CN 201611244771A CN 106835967 B CN106835967 B CN 106835967B
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- China
- Prior art keywords
- column
- displacement case
- fixedly connected
- fixed
- telescopic rod
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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 joints, including the first column and the second column, and second column left end be fixedly connected with horizontal positioned support plate, the support plate is inserted into inside the first column, it is provided with displacement case between first column and the second column, displacement bottom portion is equipped with the idler wheel just slided on the supporting plate, the displacement case is left, right both ends are fixed with symmetrical telescopic rod, and it is provided with spring on the outside of telescopic rod, it is provided with supporting rod above the telescopic rod, it is fixedly connected with the second sliding block being arranged inside the first column in front of the supporting rod of displacement case left end, it is fixedly connected with the third sliding block being arranged inside the second column in front of the supporting rod of displacement case right end, between first column and displacement case, it is both provided with waterstop between second column and displacement case.The beneficial effects of the invention are as follows：Reasonable in design, manufacturing cost is low, can adapt to the variation of bridge at different conditions.
Description
Technical field
The invention belongs to telescopic device technical fields, and in particular to a kind of bridge extension joint.
Background technology
Bridge extension joint refer to for meet bridge floor deformation requirement, usually between two beam-ends, between beam-ends and abutment or
Telescopic device is set in the articulated position of bridge, it is desirable that telescopic device is in both directions parallel, perpendicular to bridge axes, equal energy
Freely stretch, it is solid and reliable, it should be smoothed out when vehicle is run over, without kick and noise；It wants to prevent rainwater and rubbish soil from oozing resistance
Plug；Installation, check, maintenance, eliminate dirt will simple and convenient.At setting expansion joint, railing will be disconnected with deck paving.
Bridge extension joint can be divided into galvanized sheet metal telescopic device, steel stretches telescopic device, Telescopic rubber device.Wherein plate
Zinc sheet metal telescopic device, on the Fabricated Simple Supported Beams bridge of Mid and minor spans, when beam deflection within 20-40mm often
It selects；Steel stretches telescopic device, its construction is more complicated, is only just adopted on the larger bridge in the larger area of the temperature difference or across footpath
With.Steel telescopic device is also suitable for be 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 may be used
The telescopic 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 mixed mud to shrink or stretch, need between the girder of bridge, girder and bridge
Gap is set between platform or between girder and parados, and expansion joint or telescopic device are installed in these gaps, so that bridge
Inside can freely deform, and to ensure that the vehicle of top can smoothly pass through, bridge extension joint, stretches in the prior art
Contracting effect is poor, and cost is higher.
Invention content
The purpose of the present invention is to provide a kind of bridge extension joints, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of bridge extension joint, including the first column and
Second column, second column is arranged on the right side of the first column, and the second column left end is fixedly connected with horizontal positioned branch
Fagging, the support plate are inserted into inside the first column, and support plate left end is fixed with first moved inside the first column and slides
Block is provided with displacement case between first column and the second column, it is sliding that displacement bottom portion is equipped with side on the supporting plate
Dynamic idler wheel, the left and right both ends of displacement case are fixed with symmetrical telescopic rod, support are provided with above the telescopic rod
Bar, the supporting rod is symmetrically distributed in the left and right sides of displacement case, and is fixedly connected with displacement case, the supporting rod of displacement case left end
Front is fixedly connected with the second sliding block being arranged inside the first column, is fixedly connected with and sets in front of the supporting rod of displacement case right end
The third sliding block inside the second column is set, 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 end is provided with block, and block is fixed on inside the first column.
Preferably, the waterstop left and right ends are provided with fixed plate, and location hole is evenly arranged in fixed plate, described
First column, the second column are both provided with the mounting bracket being fixedly connected with displacement box top.
Preferably, it is provided with pressing plate on the outside of the fixed plate, and pressing plate and fixed plate are fixed by screws on mounting bracket.
Preferably, the telescopic rod is horizontally disposed, and spring is provided on the outside of telescopic rod, the telescopic rod of displacement case left end with
First column is fixedly connected, and the telescopic rod of displacement case right end is fixedly connected with the second column.
The technique effect and advantage of the present invention：The bridge extension joint, by the design of supporting rod, with temperature or load
Variation, can be realized in the first column and the second column internal slide flexible；Pass through the design of support plate, one side support plate
Can be in the first column internal slide, and it is provided with block below support plate, it can prevent between the first column and the second column
Stretch it is excessive cause to be completely separated, on the other hand, bracing displacement case can be played the role of, the idler wheel in displacement bottom portion can be
It is freely rolled in support plate；
By the design of fixed plate, fixed plate is fixedly connected with waterstop, only need to consolidating both ends when waterstop is installed
Fixed board is sleeved on mounting bracket, is compressed by pressing plate, and is fixed by screw, and installation is more convenient, and in fixed plate, with fixed
Position hole, improves the accuracy of installation.The bridge extension joint, reasonable in design, manufacturing cost is low, can adapt to bridge not
Variation under the conditions of.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of fixed plate of the present invention；
Fig. 3 is pressing plate of the present invention and the structural schematic diagram after fixed plate installation diagram.
In figure：1 first column, 2 second columns, 3 displacement casees, 4 support plates, 5 first sliding blocks, 6 blocks, 7 supporting rods, 8
Three sliding blocks, 9 second sliding blocks, 10 telescopic rods, 11 springs, 12 idler wheels, 13 waterstops, 14 pressing plates, 15 mounting brackets, 16 fixed plates, 17
Location hole, 18 screws.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of bridge extension joint as shown in Figs. 1-3, including the first column 1 and the second column 2, institutes
The setting of the second column 2 is stated on 1 right side of the first column, and 2 left end of the second column is fixedly connected with horizontal positioned support plate 4, institute
It states support plate 4 to be inserted into inside the first column 1, and 4 left end of support plate is fixed with the first sliding block 5 moved inside the first column 1,
When temperature or load change, the first sliding block 5 moves in the first column 1, and 5 right end of the first sliding block is provided with block
6, and block 6 is fixed on inside the first column 1, block 6 can prevent 5 sliding distance of the first sliding block is excessive to lead to the first column 1
And second be completely separated between column 2, and displacement case 3, the displacement case 3 are provided between first column, 1 and second column 2
Bottom is equipped with the idler wheel 12 slided above support plate 4, and 3 left and right both ends of the displacement case are fixed with symmetrical stretch
Bar 10.
Further, the telescopic rod 10 is horizontally disposed, and 10 outside of telescopic rod is provided with spring 11,3 left end of displacement case
Telescopic rod 10 is fixedly connected with the first column 1, and the telescopic rod 10 of 3 right end of displacement case is fixedly connected with the second column 2, described flexible
10 top of bar is provided with supporting rod 7, and the supporting rod 7 is symmetrically distributed in the left and right sides of displacement case 3, and is fixed with displacement case 3
7 front of supporting rod of connection, 3 left end of displacement case is fixedly connected with the second sliding block 9 being arranged inside the first column 1, displacement case 3
7 front of supporting rod of right end is fixedly connected with the third sliding block 8 being arranged inside the second column 2, the idler wheel 12 of 3 bottom of displacement case
It is rolled in support plate 4, supporting rod 7 is by the second sliding block 9 and third sliding block 8 respectively inside the first column 1 and the second column 2
Sliding.
Further, it is both provided with sealing between first column 1 and displacement case 3, between the second column 2 and displacement case 3
Band 13,13 left and right ends of the waterstop are provided with fixed plate 16, and location hole 17 is evenly arranged in fixed plate 16, and described
One column 1, the second column 2 and 3 top of displacement case are both provided with the mounting bracket 15 being fixedly connected, 16 outside setting of the fixed plate
There is pressing plate 14, and pressing plate 14 and fixed plate 16 are fixed on by screw 18 on mounting bracket 15.
Specifically, the bridge extension joint, in use, due to the variation of temperature, pontic can expand with heat and contract with cold, and work as heat expansion
When, the support plate 4 on the second column 2 is slided to the right inside the first column 1, while the first column 1 and the second column 2 relative to
Displacement case 3 is moved to both sides, and second sliding block 9 and third sliding block 8 at 3 both ends of displacement case are sliding in the first column 1, the second column 2
Dynamic, displacement case 3 moves up kinetic energy in support plate 4 and enough plays the role of adjustment, and telescopic rod 10 elongates, and simultaneous retractable bar 10 can
The first column 1 is prevented to be subjected to displacement in the longitudinal direction with the second column 2；When shrinkage, between the first column 1 and the second column 2 between
Gap becomes smaller, and is drawn close to displacement case 3, and support plate 4 is to 1 internal motion of the first column, while the second sliding block 9 and third sliding block 8 are
One column 1, the second column 2 are to two Slideslips, and the idler wheel 12 of 3 bottom of displacement case is rolled in support plate 4, for adjusting the first column
1 and the stress balance at 2 both ends of the second column fixed plate 16 is sleeved on mounting bracket 15, and pass through pressure when waterstop 13 is installed
Plate 14 compresses, and screw 18 is fixed, easy for installation, and cost is relatively low.The bridge extension joint, it is reasonable in design,
Manufacturing cost is low, can adapt to the variation of bridge at different conditions.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
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 in the first column（1）Right side, and the second column（2）Left end is fixedly connected with horizontal positioned support plate（4）, described
Support plate（4）It is inserted into the first column（1）Inside, and support plate（4）Left end is fixed in 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）It installs bottom
Have in support plate（4）The idler wheel of top sliding（12）, the displacement case（3）Left and right both ends are fixed with symmetrical telescopic rod
（10）, the telescopic rod（10）Top is provided with supporting rod（7）, the supporting rod（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 supporting rod of left end（7）It is vertical first that front is fixedly connected with setting
Column（1）The second internal sliding block（9）, displacement case（3）The supporting rod of right end（7）Front, which is fixedly connected with, to be arranged in the second column
（2）Internal third sliding block（8）, first column（1）With displacement case（3）Between, the second column（2）With displacement case（3）It
Between be both 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 end is arranged
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 ends are 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 both 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）Pass through 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 telescopic rod（10）It is horizontally disposed,
And telescopic rod（10）Outside is provided with spring（11）, displacement case（3）The telescopic rod of left end（10）With the first column（1）It is fixed to connect
It connects, displacement case（3）The telescopic rod of right end（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 CN106835967A (en) | 2017-06-13 |
| CN106835967B true CN106835967B (en) | 2018-08-31 |
Family
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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) |
Families Citing this family (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 |
| CN108643034B (en) * | 2018-04-11 | 2020-07-03 | 王涛 | Expansion joint cover plate and construction method thereof |
| 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 |
| CN113430925B (en) * | 2021-07-14 | 2023-01-31 | 辽宁工程技术大学 | Anti-resonance expansion joint of bridge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5738024B2 (en) * | 2011-03-16 | 2015-06-17 | 東海旅客鉄道株式会社 | Joining structure and jointing method of telescopic member in joint portion of vehicle traveling path having telescopic function |
-
2016
- 2016-12-29 CN CN201611244771.0A patent/CN106835967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106835967A (en) | 2017-06-13 |
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