CN206545167U - A kind of expansion joint device for steel plate built-up bridge - Google Patents
A kind of expansion joint device for steel plate built-up bridge Download PDFInfo
- Publication number
- CN206545167U CN206545167U CN201720228958.5U CN201720228958U CN206545167U CN 206545167 U CN206545167 U CN 206545167U CN 201720228958 U CN201720228958 U CN 201720228958U CN 206545167 U CN206545167 U CN 206545167U
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- steel plate
- bridge
- leaf spring
- telescopic mast
- sleeve
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Abstract
The utility model discloses a kind of expansion joint device for steel plate built-up bridge, including left bridge and right bridge, the left bridge side relative with right bridge is mounted on adapting table, adapting table is provided with the first telescopic mast close to the inner chamber at top, the bottom of adapting table is provided with connector, outer undertaking sleeve is movably installed with the inside of connector, buffer bar is slidably fitted with the inside of outer undertaking sleeve, the outer inner chamber for accepting sleeve is additionally provided with the first damping spring, the one end of buffer bar away from outer undertaking sleeve is movably installed with fixed cutting ferrule, the second telescopic mast is installed on the inside of fixed cutting ferrule.The utility model passes through in the second oppositely arranged leaf spring of the inner side of the first leaf spring, coordinate the second telescopic mast set in the bottom of the first leaf spring, and outer undertaking sleeve, buffer bar and the first damping spring set, so that the antidetonation buffer capacity and recovery capacity of the bridge expanssion joint are effectively improved, the service life of the bridge expanssion joint is effectively extended.
Description
Technical field
The utility model is related to bridge expanssion joint technical field, specially a kind of expansion joint device for steel plate built-up bridge.
Background technology
Bridge expanssion joint is to meet the requirement of bridge floor deformation, generally between two beam-ends, between beam-ends and abutment or bridge
Expansion joint is set in the articulated position of beam；Steel plate combined bridge is a relatively common type in numerous bridges, in order to full
The requirement of sufficient bridge floor deformation, steel plate combined bridge is also required to set expansion joint, but existing steel plate combined bridge is flexible
Seam technology is ripe not enough, at public technology " a kind of expansion joint device for steel plate built-up bridge "（Notification number：
CN205474820U, the day for announcing：2016.08.17）In, by setting U-shaped steel and leaf spring to improve expansion joint in steel plate bottom
Recovery capacity and shock resistance, however, U-shaped steel and leaf spring are set, though certain buffering anti seismic efficiency can be played to steel plate,
But the non-deformability in the middle part of steel plate can not be improved, steel plate is easy to the phenomenon for occurring being recessed during long-term use, influenceed
The overall service life in expansion joint, also, when vehicle crosses steel plate, its pressure by leaf spring and support link totally tansitive extremely
On second connecting rod so that downward pressure transition is acted on bridge main body into outside thrust, so to bridge main body
Stability has strong influence.
Utility model content
The purpose of this utility model is to provide a kind of expansion joint device for steel plate built-up bridge possess antidetonation buffering effect
It is good, and strong and service life length the advantage of recovery capacity, solve current steel plate combined bridge expanssion joint antidetonation buffer capacity
The problem of power difference and short service life.
To achieve the above object, the utility model provides following technical scheme：
A kind of expansion joint device for steel plate built-up bridge, including left bridge and right bridge, the left bridge and the right side
The relative side of bridge is mounted on adapting table, and the adapting table is provided with the first telescopic mast close to the inner chamber at top, described
The bottom of adapting table, which is provided with the inside of connector, the connector, is movably installed with outer undertaking sleeve, the outer undertaking sleeve
Inner side is slidably fitted with buffer bar, and the outer inner chamber for accepting sleeve is additionally provided with the first damping spring, first damping spring
Positioned at the bottom of buffer bar, the one end of the buffer bar away from outer undertaking sleeve is movably installed with fixed cutting ferrule, the fixing card
Second telescopic mast is installed, the top of second telescopic mast is provided with steel plate, described first by the first leaf spring on the inside of set
The second leaf spring is provided between the top of leaf spring and steel plate, the top of second leaf spring is in contact with the center of steel plate bottom, institute
State the both sides that the two ends of the first leaf spring are located at steel plate bottom respectively, the position that the two ends of first leaf spring are connected with steel plate bottom
The place of putting is equipped with fixed block, and side of the fixed block away from the second telescopic mast is provided with jacking block, the side of the jacking block bottom with
One end of first telescopic mast is in contact, and the 3rd telescopic mast is connected between the bottom of the fixed block and adapting table.
It is preferred that, the connector is away from being provided with limiting stand at the top of adapting table one end, the fixed block and steel plate bottom
It is integral type structure between portion.
It is preferred that, sealing joint strip is mounted between the both sides of the steel plate and left bridge and right bridge, it is described close
The cross section of seal strip is " V " shape structure.
It is preferred that, first telescopic mast, the second telescopic mast and the 3rd telescopic mast are by outer sleeve, fore-set and the second damping
Spring is constituted, and the fore-set is slidably mounted on the inner side of outer sleeve, and second damping spring is installed in the bottom of fore-set and outside
Between bottom on the inside of sleeve.
It is preferred that, it is movable mounting structure between the two ends of the 3rd telescopic mast and fixed block and adapting table, it is described
It is oppositely arranged between first leaf spring and the second leaf spring.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model is and oppositely arranged in the inner side of the first leaf spring by setting the first leaf spring in the bottom of steel plate
The second leaf spring so that the non-deformability of steel plate has great raising, when can effectively avoid the steel plate from being used for a long time in
There is situation about being recessed in portion, also, coordinates the second telescopic mast set in the bottom of the first leaf spring, and the outer bearing sleeve set
Cylinder, buffer bar and the first damping spring, then the first telescopic mast and the 3rd telescopic mast being equipped with so that the bridge expanssion joint
Antidetonation buffer capacity and recovery capacity are effectively improved, and effectively extend the service life of the bridge expanssion joint, separately
Outside, by setting the second damping spring inside the second telescopic mast and accepting the first damping spring that sleeve inner is set outside,
So that steel plate is when being under pressure, its pressure can be transferred to the second telescopic mast and buffer bar by the first leaf spring and the second leaf spring
On, then by the first damping spring and the second damping spring double buffering is carried out to pressure, pressure can be prevented effectively to left bridge
Body and right bridge produce outside thrust, it is to avoid the stability on bridge produces influence, so as to effectively solve at present
The problem of steel plate combined bridge expanssion joint antidetonation buffer capacity difference and short service life.
Brief description of the drawings
Fig. 1 is the utility model side structure schematic diagram；
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is the utility model the second telescopic mast cross section structure diagram.
In figure：1 left bridge, 2 right bridges, 3 adapting tables, 4 first telescopic masts, 5 connectors, 6 outer undertaking sleeves, 7 are delayed
Cutting ferrule, 11 second telescopic masts, 111 outer sleeves, 112 fore-sets, 113 second are fixed in jumper bar, 8 first damping springs, 9 limiting stands, 10
Damping spring, 12 first leaf springs, 13 fixed blocks, 14 steel plates, 15 sealing joint strips, 16 second leaf springs, 17 jacking blocks, 18 the 3rd are stretched
Post.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3, a kind of expansion joint device for steel plate built-up bridge, including left bridge 1 and right bridge 2 are referred to, it is left
The side relative with right bridge 2 of bridge 1 is mounted on adapting table 3, and adapting table 3 is provided with first close to the inner chamber at top and stretched
Contracting post 4, the bottom of adapting table 3 is provided with connector 5, and the inner side of connector 5 is movably installed with outer undertaking sleeve 6, outer undertaking sleeve 6
Inner side be slidably fitted with buffer bar 7, the outer inner chamber for accepting sleeve 6 is additionally provided with the first damping spring 8, the first damping spring 8
In the bottom of buffer bar 7, connector 5 sets limiting stand 9 can be effective away from limiting stand 9 is provided with the top of the one end of adapting table 3
Prevent outer undertaking sleeve 6 from overturning excessively, the one end of buffer bar 7 away from outer undertaking sleeve 6 is movably installed with fixed cutting ferrule 10, fixed
The inner side of cutting ferrule 10 is provided with the second telescopic mast 11, and the top of the second telescopic mast 11 is provided with steel plate 14 by the first leaf spring 12,
The second leaf spring 16 is provided between the top of first leaf spring 12 and steel plate 14, is reversely to set between the first leaf spring 12 and the second leaf spring 16
Put, the top of the second leaf spring 16 is in contact with the center of the bottom of steel plate 14, the two ends of the first leaf spring 12 are located at the bottom of steel plate 14 respectively
Be equipped with fixed block 13 at the both sides in portion, the position that the two ends of the first leaf spring 12 are connected with the bottom of steel plate 14, fixed block 13 with
It is integral type structure between the bottom of steel plate 14, sealing is mounted between the both sides of steel plate 14 and left bridge 1 and right bridge 2
Adhesive tape 15, the cross section of sealing joint strip 15 is " V " shape structure, and the setting can play good waterproof effect, and fixed block 13 is remote
Side from the second telescopic mast 11 is provided with jacking block 17, and the side of the bottom of jacking block 17 is in contact with one end of the first telescopic mast 4, fixed
The 3rd telescopic mast 18 is connected between the bottom of block 13 and adapting table 3, the first telescopic mast 4, the second telescopic mast 11 and the 3rd are flexible
Post 18 is constituted by outer sleeve 111, the damping spring 113 of fore-set 112 and second, and fore-set 112 is slidably mounted on the interior of outer sleeve 111
Side, the second damping spring 113 is arranged between the bottom of the bottom of fore-set 112 and the inner side of outer sleeve 111, the 3rd telescopic mast 18
It is movable mounting structure between two ends and fixed block 13 and adapting table 3.
The utility model is and reverse in the inner side of the first leaf spring 12 by setting the first leaf spring 12 in the bottom of steel plate 14
The second leaf spring 16 set so that the non-deformability of steel plate 14 has great raising, can effectively avoid steel plate 14 from growing
There is situation about being recessed in middle part when phase uses, also, coordinates the second telescopic mast 11 set in the bottom of the first leaf spring 12, and
Outer undertaking sleeve 6, the damping spring 8 of buffer bar 7 and first set, then the first telescopic mast 4 being equipped with and the 3rd telescopic mast
18 so that the antidetonation buffer capacity and recovery capacity of the bridge expanssion joint are effectively improved, and effectively extend the bridge
The service life at beam expansion joint, in addition, by setting the second damping spring 113 inside the second telescopic mast 11 and in outer bearing sleeve
The first damping spring 8 that the inside of cylinder 6 is set so that steel plate 14 is when being under pressure, and its pressure can pass through the He of the first leaf spring 12
Second leaf spring 16 is transferred on the second telescopic mast 11 and buffer bar 7, then by 113 pairs of the first damping spring 8 and the second damping spring
Pressure carries out double buffering, can be prevented effectively from pressure and produce outside thrust to left bridge 1 and right bridge 2, it is to avoid be right
The stability of bridge produces influence, so that it is poor effectively to solve current steel plate combined bridge expanssion joint antidetonation buffer capacity
With service life it is short the problem of.
The expansion joint device for steel plate built-up bridge, in use, when steel plate 14 is moved down by compressing, its pressure passes through
First leaf spring 12 and the second leaf spring 16 are transferred to the second telescopic mast 11, on the 3rd telescopic mast 18, then coordinate outside the second telescopic mast 11
The buffer bar 7 that activity is installed on the fixation cutting ferrule 10 of side, and the first damping spring 8 that the inner side of undertaking sleeve 6 is set outside,
So that the bridge expanssion joint has good antidetonation buffering effect, it can avoid downward pressure after buffer bar 7 to left bridge
Beam body 1 and right bridge 2 produce outside thrust.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of expansion joint device for steel plate built-up bridge, including left bridge（1）With right bridge（2）, it is characterised in that：Institute
State left bridge（1）With right bridge（2）Relative side is mounted on adapting table（3）, the adapting table（3）Close to top
Inner chamber is provided with the first telescopic mast（4）, the adapting table（3）Bottom be provided with connector（5）, the connector（5）Inner side
It is movably installed with outer undertaking sleeve（6）, the outer undertaking sleeve（6）Inner side be slidably fitted with buffer bar（7）, the outer undertaking
Sleeve（6）Inner chamber be additionally provided with the first damping spring（8）, first damping spring（8）Positioned at buffer bar（7）Bottom, institute
State buffer bar（7）Away from outer undertaking sleeve（6）One end be movably installed with fixed cutting ferrule（10）, the fixed cutting ferrule（10）It is interior
Side is provided with the second telescopic mast（11）, second telescopic mast（11）Top pass through the first leaf spring（12）Steel plate is installed
（14）, first leaf spring（12）Top and steel plate（14）Between be provided with the second leaf spring（16）, second leaf spring（16）'s
Top and steel plate（14）The center of bottom is in contact, first leaf spring（12）Two ends respectively be located at steel plate（14）The two of bottom
Side, first leaf spring（12）Two ends and steel plate（14）Fixed block is equipped with the position that bottom is connected（13）, it is described solid
Determine block（13）Away from the second telescopic mast（11）Side be provided with jacking block（17）, the jacking block（17）Stretched with first the side of bottom
Post（4）One end be in contact, the fixed block（13）Bottom and adapting table（3）Between be connected with the 3rd telescopic mast（18）.
2. a kind of expansion joint device for steel plate built-up bridge according to claim 1, it is characterised in that：The connector
（5）Away from adapting table（3）Limiting stand is installed at the top of one end（9）, the fixed block（13）With steel plate（14）It is between bottom
Integral structure.
3. a kind of expansion joint device for steel plate built-up bridge according to claim 1, it is characterised in that：The steel plate（14）
Both sides and left bridge（1）With right bridge（2）Between be mounted on sealing joint strip（15）, the sealing joint strip（15）Horizontal stroke
Section is " V " shape structure.
4. a kind of expansion joint device for steel plate built-up bridge according to claim 1, it is characterised in that：Described first stretches
Post（4）, the second telescopic mast（11）With the 3rd telescopic mast（18）By outer sleeve（111）, fore-set（112）With the second damping spring
（113）Constitute, the fore-set（112）It is slidably mounted on outer sleeve（111）Inner side, second damping spring（113）Install
In fore-set（112）Bottom and outer sleeve（111）Between the bottom of inner side.
5. a kind of expansion joint device for steel plate built-up bridge according to claim 1, it is characterised in that：Described 3rd stretches
Post（18）Two ends and fixed block（13）And adapting table（3）Between be movable mounting structure, first leaf spring（12）With
Two leaf springs（16）Between be oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228958.5U CN206545167U (en) | 2017-03-10 | 2017-03-10 | A kind of expansion joint device for steel plate built-up bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228958.5U CN206545167U (en) | 2017-03-10 | 2017-03-10 | A kind of expansion joint device for steel plate built-up bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206545167U true CN206545167U (en) | 2017-10-10 |
Family
ID=59995211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228958.5U Expired - Fee Related CN206545167U (en) | 2017-03-10 | 2017-03-10 | A kind of expansion joint device for steel plate built-up bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206545167U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517771A (en) * | 2018-05-28 | 2018-09-11 | 南京工业职业技术学院 | A kind of road and bridge noise reduction device |
| WO2019128010A1 (en) * | 2017-12-27 | 2019-07-04 | 昆山顶牛市政建设有限公司 | Bridge expansion joint structure |
| CN109972505A (en) * | 2019-04-30 | 2019-07-05 | 东北大学 | A kind of Highway Bridge Expansion Joint device |
| CN110387807A (en) * | 2019-08-06 | 2019-10-29 | 从定智 | A kind of bridge structure suitable for bridge pier differential settlement |
| 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 |
| CN110820960A (en) * | 2019-10-31 | 2020-02-21 | 中建新疆建工（集团）有限公司 | Expansion joint structure is built in room |
| CN111608693A (en) * | 2020-06-02 | 2020-09-01 | 仲恺农业工程学院 | High-strength steel pipe concrete arch |
| CN112030734A (en) * | 2020-09-05 | 2020-12-04 | 唐山公路建设总公司 | Bridge expansion joint |
| CN112048999A (en) * | 2020-10-20 | 2020-12-08 | 济南黄河路桥建设集团有限公司 | Road bridge extending structure for preventing vehicle bump at bridge head |
| CN112982695A (en) * | 2021-03-01 | 2021-06-18 | 高胜 | Civil engineering expansion joint waterproof construction |
| CN113026545A (en) * | 2021-03-19 | 2021-06-25 | 杨艳 | Road engineering seamless bridge deck expansion joint structure and construction method thereof |
| CN114351578A (en) * | 2022-02-17 | 2022-04-15 | 重庆交通大学 | High-performance bridge structure based on UHPC and FRP materials |
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2017
- 2017-03-10 CN CN201720228958.5U patent/CN206545167U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128010A1 (en) * | 2017-12-27 | 2019-07-04 | 昆山顶牛市政建设有限公司 | Bridge expansion joint structure |
| CN108517771A (en) * | 2018-05-28 | 2018-09-11 | 南京工业职业技术学院 | A kind of road and bridge noise reduction device |
| CN109972505A (en) * | 2019-04-30 | 2019-07-05 | 东北大学 | A kind of Highway Bridge Expansion Joint device |
| CN110387807A (en) * | 2019-08-06 | 2019-10-29 | 从定智 | A kind of bridge structure suitable for bridge pier differential settlement |
| 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 |
| CN110820960B (en) * | 2019-10-31 | 2021-07-13 | 中建新疆建工（集团）有限公司 | Expansion joint structure is built in room |
| CN110820960A (en) * | 2019-10-31 | 2020-02-21 | 中建新疆建工（集团）有限公司 | Expansion joint structure is built in room |
| CN111608693A (en) * | 2020-06-02 | 2020-09-01 | 仲恺农业工程学院 | High-strength steel pipe concrete arch |
| CN112030734A (en) * | 2020-09-05 | 2020-12-04 | 唐山公路建设总公司 | Bridge expansion joint |
| CN112030734B (en) * | 2020-09-05 | 2022-04-01 | 唐山公路建设总公司 | Bridge expansion joint |
| CN112048999A (en) * | 2020-10-20 | 2020-12-08 | 济南黄河路桥建设集团有限公司 | Road bridge extending structure for preventing vehicle bump at bridge head |
| CN112048999B (en) * | 2020-10-20 | 2022-02-15 | 济南黄河路桥建设集团有限公司 | Road bridge extending structure for preventing vehicle bump at bridge head |
| CN112982695A (en) * | 2021-03-01 | 2021-06-18 | 高胜 | Civil engineering expansion joint waterproof construction |
| CN112982695B (en) * | 2021-03-01 | 2023-03-28 | 成都环境工程建设有限公司 | Civil engineering expansion joint waterproof construction |
| CN113026545A (en) * | 2021-03-19 | 2021-06-25 | 杨艳 | Road engineering seamless bridge deck expansion joint structure and construction method thereof |
| CN113026545B (en) * | 2021-03-19 | 2022-08-26 | 赵方雄 | Road engineering seamless bridge deck expansion joint structure and construction method thereof |
| CN114351578A (en) * | 2022-02-17 | 2022-04-15 | 重庆交通大学 | High-performance bridge structure based on UHPC and FRP materials |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20180310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |