CN205421014U - Bridge expansion device - Google Patents
Bridge expansion device Download PDFInfo
- Publication number
- CN205421014U CN205421014U CN201620230850.5U CN201620230850U CN205421014U CN 205421014 U CN205421014 U CN 205421014U CN 201620230850 U CN201620230850 U CN 201620230850U CN 205421014 U CN205421014 U CN 205421014U
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- sides
- aluminum alloy
- alloy connector
- inverted
- water proof
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a bridge expansion device, its characterized in that: waterproof rubber strip, symmetry including setting up in the bridge expansion joint set up in the internal pre -buried device of expansion joint both sides roof beam, waterproof rubber strip's both sides install in on the pre -buried device, pre -buried device includes U type built -in fitting, aluminium alloy connecting piece and L type bolt, U type built -in fitting pre -buried in the roof beam is internal, the aluminium alloy connecting piece warp L type bolt install in on the U type built -in fitting, aluminium alloy connecting piece inboard with L type bolt links to each other, aluminium alloy connecting piece's tip is close to the expansion joint sets up, install in both sides waterproof rubber strip's both sides on aluminium alloy connecting piece's the tip. The utility model discloses an install the telescoping device in the expansion joint of bridge, prevent that debris and rainwater from falling in the expansion joint, guarantees road speed and driving safety.
Description
Technical field
This utility model relates to a kind of railroad bridge accessory, particularly relates to a kind of bridge extension joint.
Background technology
Along with high speed and the development of urban light rail traffic of China Railway, design selection and application to bridge affiliated facility are particularly important.High-speed railway operation mode requires that line construction adapts to therewith, and track structure will have significant change, and basic rigidity, rail heavy-duty, few maintenance, high-quality are that it is inevitable.It is known that the bridge panel such as railway, light rail can produce the phenomenon of expansion or shrinkage due to the change of the objective condition such as temperature, landform, therefore, a beam seam is set, to adapt to the contraction of bridge panel between each adjacent bridge panel of the predetermined beam length of each two.Therefore, how under ensureing track stability premise, reducing the phenomenon of expanding with heat and contract with cold that basis produces because of weather, extending infrastructure service life is current research topic.
Summary of the invention
This utility model purpose is to provide a kind of bridge extension joint, by using this structure, reduces noise, improves road speed, prevents the expansion joint of foreign material blocking Light Railway Bridge.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of bridge extension joint, including the water proof rubber bar being arranged in bridge expanssion joint, the pre-embedded device that is symmetricly set in the beam body of both sides, expansion joint, the both sides of described water proof rubber bar are installed in described pre-embedded device；Described pre-embedded device includes U-shaped built-in fitting, aluminum alloy connector and L-type bolt, described U-shaped built-in fitting is embedded in described beam body in advance, described aluminum alloy connector is installed on described U-shaped built-in fitting through described L-type bolt, the inner side of described aluminum alloy connector is connected with described L-type bolt, the end of described aluminum alloy connector is installed on the end of aluminum alloy connector described in both sides near described expansion joint setting, the both sides of described water proof rubber bar.
In technique scheme, described water proof rubber bar includes extensible member and is arranged at the inverted u-shaped grab of extensible member both sides, described extensible member includes two interconnective quadrilateral shape parts, described inverted u-shaped grab is respectively arranged at the both sides of described quadrilateral shape part, and the both sides of described water proof rubber bar are installed in described aluminum alloy connector through described inverted u-shaped grab clamping.
In technique scheme, described inverted u-shaped grab includes connecting limit and the inner side edge connected with being connected both sides, limit and outer side edges, and described inner side edge is connected with described quadrilateral shape part, and the both sides of the outer side edges of described inverted u-shaped grab are additionally provided with barb.
In technique scheme, the inner side of described aluminum alloy connector is provided with screw, the end of described aluminum alloy connector is provided with protruding block, the inner side of described aluminum alloy connector is in L-type bolt is through at described screw, and fix through nut, described protruding block is provided with groove, and the outer side edges of the inverted u-shaped grab of described water proof rubber bar is connected in described groove.
In technique scheme, described slot opening width is less than described bottom portion of groove width, the outer side edges of described inverted u-shaped grab and barb and is stuck in the bottom of described groove through described slot opening.
In technique scheme, described U-shaped built-in fitting includes top board and is arranged at the side plate at top board two ends, and described side plate is embedded in described beam body in advance；Described L-type bolt includes end to end cross bar and perpendicular screw rod, described cross bar is arranged in a mutually vertical manner with perpendicular screw rod, described cross bar is parallel to described top board and arranges, described cross bar welded and installed is on described top board, the top of described perpendicular screw rod is provided with external screw thread, the screw of described aluminum alloy connector is through on the external screw thread of described perpendicular screw rod, and fixes through nut.
Owing to technique scheme is used, this utility model compared with prior art has the advantage that
1. this utility model arranges in bridge expanssion joint retractor device, retractor device includes the water proof rubber bar being arranged in bridge expanssion joint, the pre-embedded device being symmetricly set in the beam body of both sides, expansion joint, by pre-embedded device is embedded in beam body in advance, again water proof rubber bar is directly stuck in pre-embedded device, easy for installation, installation effectiveness is high, simultaneously, retractor device can meet bridge and stretch normally needs, improve the durability of structure, quick and easy for installation due to water proof rubber bar, it is simple to the maintenance in later stage, simultaneously low cost；
2. in this utility model, water proof rubber bar includes extensible member and is arranged at the inverted u-shaped grab of extensible member both sides, described extensible member includes two interconnective quadrilateral shape parts, described inverted u-shaped grab is respectively arranged at the both sides of described quadrilateral shape part, the both sides of described water proof rubber bar are installed in described aluminum alloy connector through described inverted u-shaped grab clamping, two quadrilateral shape parts, it is easy to stretching and the compression of water proof rubber bar, adapts to expansion and the shrinkage phenomenon of bridge；
3. in this utility model, the both sides of water proof rubber bar are connected in the aluminum alloy connector of pre-embedded device, and the installation of water proof rubber bar is quick and convenient, it is simple to the replacing of water proof rubber bar and maintenance, also allow for later stage replacing waterstop；
4. by arranging retractor device in bridge expanssion joint in this utility model, prevent foreign material or rainwater from falling within bridge expanssion joint, reduce driving noise, also ensure road speed and traffic safety.
Accompanying drawing explanation
Fig. 1 is the structural representation in this utility model embodiment one；
Fig. 2 is the structural representation of aluminum alloy connector in this utility model embodiment one；
Fig. 3 is the structural representation of water proof rubber bar in this utility model embodiment one.
Wherein: 1, expansion joint；2, water proof rubber bar；3, beam body；4, U-shaped built-in fitting；5, aluminum alloy connector；6, L-type bolt；7, inverted u-shaped grab；8, quadrilateral shape part；9, limit is connected；10, inner side edge；11, outer side edges；12, barb；13, screw；14, protruding block；15, nut；16, groove；17, top board；18, side plate；19, cross bar；20, perpendicular screw rod.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Embodiment one: see shown in Fig. 1～3, a kind of bridge extension joint, including the water proof rubber bar 2 being arranged in bridge expanssion joint 1, the pre-embedded device that is symmetricly set in both sides, expansion joint 1 beam body 3, the both sides of described water proof rubber bar 2 are installed in described pre-embedded device；Described pre-embedded device includes U-shaped built-in fitting 4, aluminum alloy connector 5 and L-type bolt 6, described U-shaped built-in fitting 4 is embedded in described beam body 3 in advance, described aluminum alloy connector 5 is installed on described U-shaped built-in fitting 4 through described L-type bolt 6, the inner side of described aluminum alloy connector 5 is connected with described L-type bolt 6, the end of described aluminum alloy connector 5 is arranged near described expansion joint 1, and the both sides of described water proof rubber bar 2 are installed on the end of aluminum alloy connector 5 described in both sides.
Shown in Figure 3, described water proof rubber bar 2 includes extensible member and is arranged at the inverted u-shaped grab 7 of extensible member both sides, described extensible member includes two interconnective quadrilateral shape parts 8, described inverted u-shaped grab 7 is respectively arranged at the both sides of described quadrilateral shape part 8, and the both sides of described water proof rubber bar 2 are in the clamping of described inverted u-shaped grab 7 is installed on described aluminum alloy connector 5.In this utility model, when expansion and shrinkage phenomenon occurs in bridge, beam body 3 pulls the extensible member of water proof rubber bar 2 by pre-embedded device, it is achieved stretching of retractor device, prevents expansion joint 1 from exposing.Meanwhile, extensible member uses two interconnective quadrilateral shape parts 8, when stretching or shrink, stretching or compression quadrilateral shape part 8 so that it is deformation can realize contraction and the stretching of extensible member, compared with the water proof rubber bar utilizing elastic deformation, its service life is longer, and simultaneous retractable effect is more preferable.
Described inverted u-shaped grab 7 includes connecting limit 9 and the inner side edge 10 connected with being connected both sides, limit 9 and outer side edges 11, and described inner side edge 10 is connected with described quadrilateral shape part 8, and the both sides of the outer side edges 11 of described inverted u-shaped grab 7 are additionally provided with barb 12.The inner side of described aluminum alloy connector 5 is provided with screw 13, the end of described aluminum alloy connector 5 is provided with protruding block 14, the inner side of described aluminum alloy connector 5 is in L-type bolt 6 is through at described screw 13, and fix through nut 15, described protruding block 14 is provided with groove 16, and the outer side edges 11 of the inverted u-shaped grab 7 of described water proof rubber bar 2 is connected in described groove 16.Described groove 16 A/F is less than described groove 16 bottom width, and outer side edges 11 and the barb 12 of described inverted u-shaped grab 7 are stuck in the bottom of described groove 16 through described groove 16 opening.
In the present embodiment, outer side edges 11 width of inverted u-shaped grab 7 is equal with the A/F of groove 16, barb 12 is arranged towards connecting limit 9, when inverted u-shaped grab 7 is installed, first two barbs 12 are pinched, barb 12 is made to be affixed in outer side edges 11, then the opening part from groove 16 snaps in, elastic deformation by inverted u-shaped grab 7 outer side edges, make outer side edges 11 directly through the opening of groove 16, it is inserted directly into the bottom to groove 16, barb 12 loses the extruding of slot opening and opens, the outer side edges 11 making inverted u-shaped grab 7 is stuck in bottom groove 16 by barb 12, the clamping realizing inverted u-shaped grab 7 is installed.
Described U-shaped built-in fitting 4 includes top board 17 and is arranged at the side plate 18 at top board 17 two ends, and described side plate 18 is embedded in described beam body 3 in advance；Described L-type bolt 6 includes end to end cross bar 19 and perpendicular screw rod 20, described cross bar 19 is arranged in a mutually vertical manner with perpendicular screw rod 20, described cross bar 19 is parallel to described top board 17 and arranges, described cross bar 19 welded and installed is on described top board 17, the top of described perpendicular screw rod 20 is provided with external screw thread, the screw 13 of described aluminum alloy connector 5 is through on the external screw thread of described perpendicular screw rod 20, and fixes through nut 15.
When mounted, first U-shaped built-in fitting 4 is embedded in beam body 3 in advance, then L-type bolt 6 is fixedly welded on U-shaped built-in fitting 4, again aluminum alloy connector 5 is bolted on L-type bolt 6, the installation of pre-embedded device can be completed, after last beam body 3 installation, it is only necessary to the both sides of water proof rubber bar 2 are installed in the pre-embedded device of both sides, expansion joint 1, complete the installation of bridge extension joint.
Claims (6)
1. a bridge extension joint, it is characterised in that: including the water proof rubber bar being arranged in bridge expanssion joint, the pre-embedded device being symmetricly set in the beam body of both sides, expansion joint, the both sides of described water proof rubber bar are installed in described pre-embedded device；Described pre-embedded device includes U-shaped built-in fitting, aluminum alloy connector and L-type bolt, described U-shaped built-in fitting is embedded in described beam body in advance, described aluminum alloy connector is installed on described U-shaped built-in fitting through described L-type bolt, the inner side of described aluminum alloy connector is connected with described L-type bolt, the end of described aluminum alloy connector is installed on the end of aluminum alloy connector described in both sides near described expansion joint setting, the both sides of described water proof rubber bar.
Bridge extension joint the most according to claim 1, it is characterized in that: described water proof rubber bar includes extensible member and is arranged at the inverted u-shaped grab of extensible member both sides, described extensible member includes two interconnective quadrilateral shape parts, described inverted u-shaped grab is respectively arranged at the both sides of described quadrilateral shape part, and the both sides of described water proof rubber bar are installed in described aluminum alloy connector through described inverted u-shaped grab clamping.
Bridge extension joint the most according to claim 2, it is characterized in that: described inverted u-shaped grab includes connecting limit and the inner side edge connected with being connected both sides, limit and outer side edges, described inner side edge is connected with described quadrilateral shape part, and the both sides of the outer side edges of described inverted u-shaped grab are additionally provided with barb.
Bridge extension joint the most according to claim 3, it is characterized in that: the inner side of described aluminum alloy connector is provided with screw, the end of described aluminum alloy connector is provided with protruding block, the inner side of described aluminum alloy connector is in L-type bolt is through at described screw, and fix through nut, described protruding block is provided with groove, and the outer side edges of the inverted u-shaped grab of described water proof rubber bar is connected in described groove.
Bridge extension joint the most according to claim 4, it is characterised in that: described slot opening width is less than described bottom portion of groove width, the outer side edges of described inverted u-shaped grab and barb and is stuck in the bottom of described groove through described slot opening.
Bridge extension joint the most according to claim 4, it is characterised in that: described U-shaped built-in fitting includes top board and is arranged at the side plate at top board two ends, and described side plate is embedded in described beam body in advance；Described L-type bolt includes end to end cross bar and perpendicular screw rod, described cross bar is arranged in a mutually vertical manner with perpendicular screw rod, described cross bar is parallel to described top board and arranges, described cross bar welded and installed is on described top board, the top of described perpendicular screw rod is provided with external screw thread, the screw of described aluminum alloy connector is through on the external screw thread of described perpendicular screw rod, and fixes through nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230850.5U CN205421014U (en) | 2016-03-24 | 2016-03-24 | Bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230850.5U CN205421014U (en) | 2016-03-24 | 2016-03-24 | Bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205421014U true CN205421014U (en) | 2016-08-03 |
Family
ID=56548197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620230850.5U Expired - Fee Related CN205421014U (en) | 2016-03-24 | 2016-03-24 | Bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205421014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951411A (en) * | 2018-07-17 | 2018-12-07 | 江苏平山交通设施有限公司 | A kind of novel maintenance-free noise abatement bridge extension joint |
-
2016
- 2016-03-24 CN CN201620230850.5U patent/CN205421014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951411A (en) * | 2018-07-17 | 2018-12-07 | 江苏平山交通设施有限公司 | A kind of novel maintenance-free noise abatement bridge extension joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215500 No.9 Qingnian Road, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Suzhou Xinyu New Material Technology Co., Ltd Address before: 215542, Suzhou, Jiangsu Province, Changshou City Town, Sha Chang town, Chang Industrial Park D District No. 9, Qingnian Road Patentee before: CHANGSHU CITY XINDA RUBBER PRODUCT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |