CN203834346U - Replaceable railroad bridge expansion device - Google Patents
Replaceable railroad bridge expansion device Download PDFInfo
- Publication number
- CN203834346U CN203834346U CN201420102949.8U CN201420102949U CN203834346U CN 203834346 U CN203834346 U CN 203834346U CN 201420102949 U CN201420102949 U CN 201420102949U CN 203834346 U CN203834346 U CN 203834346U
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- CN
- China
- Prior art keywords
- waterproof sealing
- star
- replaceable
- section bar
- sealing band
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of expansion devices and discloses a replaceable railroad bridge expansion device. The replaceable railroad bridge expansion device is mainly characterized by comprising sectional materials which are arranged in pairs, the sectional materials are provided with G-shaped grooves, a waterproof sealing belt is arranged between the sectional materials, the two ends of the waterproof sealing belt extends into the G-shaped grooves of the sectional materials, the G-shaped grooves are formed in the inner side faces of the sectional materials, the upper portion of each G-shaped groove is a plane, the lower portion of each G-shaped groove is a concave arc surface, the bottoms of the two ends of the waterproof sealing belt are provided with convex edges, the upper portion of each convex edge is a plane, the lower portion of each convex edge is provided with a convex arc surface, the convex arc surface of the lower portion of each convex edge is matched with the concave arc surface of the lower portion of the corresponding G-shaped groove, a compression board is arranged on the upper face of each convex edge and located inside the corresponding G-shaped groove, and the compression boards and the G-shaped grooves are fixed through bolts. According to the replaceable railroad bridge expansion device, the shape of the G-shaped grooves and the shape of the convex edges are modified, the compression boards are additionally arranged, the waterproof sealing belt is convenient to install, easy to replace, firm and reliable, and the clamping force and the waterproof performance of the expansion device are improved.
Description
Technical field
The utility model belongs to stretching device technical field, relates in particular to a kind of replaceable railroad bridge stretching device.
Background technology
Along with the fast development of economic construction, swift and violent as the transportation construction development of economic lifeline, country gives the higher standard of railway transportation and heavy task more.The deformed steel bridge extension joint using on current rail, comprises the deformed steel of paired setting, and deformed steel side or have groove is above provided with rubber weather strip between deformed steel, and rubber weather strip two ends snap in the groove of section bar.But rubber weather strip two end boss are larger than deformed steel die cavity, install very difficultly, waste time and energy, be not easy to be in place, in installation process, also easily cause the damage of weather strip; After installation in position, rubber weather strip cannot be removed from deformed steel simultaneously, and weather strip is damaged or use difficult replacing of later stage in life-span, need turn over clearly railway roadbed, larger on the impact of railways train operation, has wretched insufficiency.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of use safety, installs, changes replaceable railroad bridge stretching device easily.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the section bar with G connected in star that comprises paired setting, between section bar, be provided with waterproof sealing band, waterproof sealing band two ends are stretched in the G connected in star of section bar, described G connected in star is opened at section bar medial surface, G connected in star top is plane, bottom is cancave cambered surface, bottom, waterproof sealing band two ends is provided with flange, flange top is plane, bottom is convex globoidal, the cancave cambered surface of the convex globoidal of flange bottom and G connected in star bottom matches, above G connected in star inward flange, be provided with pressure strip, described pressure strip fixes by bolt and G connected in star.
Replaceable railroad bridge stretching device provided by the utility model, section bar groove and waterproof sealing flanged pin shape are improved, G connected in star top is that plane, bottom are cancave cambered surface, flange top is that plane, bottom are convex globoidal, the cancave cambered surface of the convex globoidal of flange bottom and G connected in star bottom matches, and above G connected in star inward flange, is provided with pressure strip.During assembling, waterproof sealing band two ends extend in section bar G connected in star, on G connected in star inward flange with in the space at G connected in star top, are pressed into pressure strip, from section bar top, are screwed into bolt fixed pressure plate, make waterproof sealing band and section bar form firm connection.Under the effect of pressure strip, the flange at waterproof sealing band two ends is pressed on the bottom of section bar G connected in star.The cancave cambered surface of the convex globoidal of flange bottom and G connected in star bottom is close to formation sealing, reaches waterproof object.
Replaceable railroad bridge stretching device provided by the utility model is compared with existing bridge extension joint, maximum improvement is the mosaic mode that has changed waterproof sealing band, by single dependence waterproof sealing band two side flanges, clamp-on deformed steel groove inwall and form anchoring, be improved to the combination anchor mode by waterproof sealing band two ends base flange, pressure strip and bolt, solid and reliable, the chucking power of section bar and waterproof sealing band is large, and the gripping performance of waterproof sealing band has also determined stretching device water resistance.
Replaceable railroad bridge stretching device provided by the utility model is simple in structure, is easy to construction.The flange of waterproof sealing band is close to the concave arc inwall of the bottom cancave cambered surface of section bar G connected in star, sealing penetrating passage, good water-proof effect, main advantage is to be convenient to mount and dismount waterproof sealing band, has solved the problem that cannot remove from deformed steel after waterproof sealing band installation in position.While removing waterproof sealing band, only need back out the bolt of fixed pressure plate, just can take out pressure strip and waterproof sealing band.According to demand, waterproof sealing band is V-arrangement or U-shaped.Section bar is provided with anchor rib, and stationarity is good.Section bar adopts corrosion-resistant metal materials to make, and waterproof sealing band adopts ethylene propylene diene rubber or neoprene to make, and pressure strip adopts corrosion resistant rigid material to make.
Replaceable railroad bridge stretching device provided by the utility model is common to railway ballastless bridge deck structure and has tiny fragments of stone, coal, etc. bridge deck structure, has being provided with and keeping off tiny fragments of stone, coal, etc. steel plate of tiny fragments of stone, coal, etc. bridge deck structure section bar above, can protect waterproof sealing band to be without prejudice.
Accompanying drawing explanation
Fig. 1 is the structural representation of waterproof sealing band;
Fig. 2 is the structural representation of section bar waterproof sealing band;
Fig. 3 is the first structural representation of replaceable railroad bridge stretching device;
Fig. 4 is the second structural representation of replaceable railroad bridge stretching device;
Fig. 5 is the first installation drawing of replaceable railroad bridge stretching device;
Fig. 6 is the second installation drawing of replaceable railroad bridge stretching device.
The specific embodiment
Below in conjunction with accompanying drawing, the concrete structure of the replaceable railroad bridge stretching device of the utility model is described in further details.
As shown in Figure 1, waterproof sealing band 1 bottom, two ends is provided with flange 2, and flange 2 tops are that plane 21, bottom are convex globoidal 22.As shown in Figure 2, section bar 3 medial surfaces have G connected in star 4, and G connected in star 4 tops are that plane 41, bottom are cancave cambered surface 42.As shown in Figure 3, the flange 2 at waterproof sealing band 1 two ends snaps in the G connected in star 4 of section bar 3 medial surfaces, and flange 2 is provided with the fixing pressure strip of bolt 56 above, and section bar 3 is provided with anchor rib 7, and waterproof sealing band 1 is V-arrangement.As shown in Figure 4, the flange 2 at waterproof sealing band 1 two ends snaps in the G connected in star 4 of section bar 3 medial surfaces, and flange 2 is provided with the fixing pressure strip of bolt 56 above, and section bar 3 is provided with anchor rib 7, and waterproof sealing band 1 is U-shaped.
During replaceable railroad bridge stretching device assembling provided by the utility model, the flange 2 at waterproof sealing band 1 two ends extend in the G connected in star 4 of section bar 3, on G connected in star 4 inward flanges 2 with in the space at G connected in star 4 tops, be pressed into pressure strip 6, from section bar 1 top, be screwed into bolt 5 fixed pressure plates 6, make waterproof sealing band 1 form and firmly be connected with section bar 3.Under the effect of pressure strip 6, the flange 2 at waterproof sealing band 1 two ends is pressed on the bottom of the G connected in star 4 of section bar 3.The convex globoidal 22 of flange 2 bottoms is close to and is formed sealing with the cancave cambered surface 42 of G connected in star 4 bottoms, reaches waterproof object.
During the replaceable railroad bridge stretching device construction of the utility model, as shown in Figure 5,6, first by the size of design drawing requirement, position, by section bar 3, anchor rib 7 and bearing bar 8 welding, fix section bar 3, again positioning steel tube 9 and beam body built-in fitting are welded, then pour into a mould design grade concrete, solidify rear section bar 3 just into a single integrated structure with the beam bodily form, then waterproof sealing band 1 is installed, then be pressed into pressure strip 6, be screwed into bolt 5, lay gear tiny fragments of stone, coal, etc. steel plate 10, welding spacer bars 11, even if to this stretching device installation.
Replaceable railroad bridge stretching device provided by the utility model, flange 2 shapes to the G connected in star 43 of section bar 3 and waterproof sealing band 1 are improved, increased pressure strip 6, the installation of waterproof sealing band 1 is very convenient, be easy to change, and can block the flange 2 of waterproof sealing band 1, and solid and reliable, strengthened chucking power and the water resistance of stretching device.
Protection domain of the present utility model is not only confined to above-described embodiment, so long as the fixing replaceable railroad bridge stretching device structure of the pressured plate of waterproof sealing flanged pin just drops on the scope of the utility model protection.
Claims (1)
1. replaceable railroad bridge stretching device, the section bar with G connected in star that comprises paired setting, between section bar, be provided with waterproof sealing band, waterproof sealing band two ends are stretched in the G connected in star of section bar, it is characterized in that: described G connected in star is opened at section bar medial surface, G connected in star top is plane, bottom is cancave cambered surface, bottom, waterproof sealing band two ends is provided with flange, flange top is plane, bottom is convex globoidal, the cancave cambered surface of the convex globoidal of flange bottom and G connected in star bottom matches, above G connected in star inward flange, be provided with pressure strip, described pressure strip fixes by bolt and G connected in star.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102949.8U CN203834346U (en) | 2014-03-09 | 2014-03-09 | Replaceable railroad bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102949.8U CN203834346U (en) | 2014-03-09 | 2014-03-09 | Replaceable railroad bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203834346U true CN203834346U (en) | 2014-09-17 |
Family
ID=51512206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420102949.8U Expired - Fee Related CN203834346U (en) | 2014-03-09 | 2014-03-09 | Replaceable railroad bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203834346U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525628A (en) * | 2015-12-30 | 2016-04-27 | 中国市政工程华北设计研究总院有限公司 | Tube corridor connector sealing device |
| CN106835970A (en) * | 2017-04-14 | 2017-06-13 | 杨文来 | Railroad bridge Fast Installation expansion joint and its installation method |
| CN107503933A (en) * | 2017-09-25 | 2017-12-22 | 大庆华谊金鹰石油科技有限公司 | Automatic exhaust device |
| CN111593656A (en) * | 2020-05-19 | 2020-08-28 | 南通亿硕新材料科技有限公司 | Telescopic device with easily-replaced waterproof sealing strip |
| CN112376413A (en) * | 2020-10-26 | 2021-02-19 | 中国一冶集团有限公司 | Bridge expansion joint rear waterproof device and construction method thereof |
-
2014
- 2014-03-09 CN CN201420102949.8U patent/CN203834346U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525628A (en) * | 2015-12-30 | 2016-04-27 | 中国市政工程华北设计研究总院有限公司 | Tube corridor connector sealing device |
| CN105525628B (en) * | 2015-12-30 | 2017-10-27 | 中国市政工程华北设计研究总院有限公司 | A kind of piping lane interface sealing device |
| CN106835970A (en) * | 2017-04-14 | 2017-06-13 | 杨文来 | Railroad bridge Fast Installation expansion joint and its installation method |
| CN107503933A (en) * | 2017-09-25 | 2017-12-22 | 大庆华谊金鹰石油科技有限公司 | Automatic exhaust device |
| CN107503933B (en) * | 2017-09-25 | 2023-11-24 | 大庆市普罗石油科技有限公司 | Automatic exhaust device |
| CN111593656A (en) * | 2020-05-19 | 2020-08-28 | 南通亿硕新材料科技有限公司 | Telescopic device with easily-replaced waterproof sealing strip |
| CN112376413A (en) * | 2020-10-26 | 2021-02-19 | 中国一冶集团有限公司 | Bridge expansion joint rear waterproof device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |