CN203410322U - Double-gap expansion joint - Google Patents
Double-gap expansion joint Download PDFInfo
- Publication number
- CN203410322U CN203410322U CN201320307088.2U CN201320307088U CN203410322U CN 203410322 U CN203410322 U CN 203410322U CN 201320307088 U CN201320307088 U CN 201320307088U CN 203410322 U CN203410322 U CN 203410322U
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- expansion pipe
- shunt
- double
- orbit determination
- expansion joint
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Abstract
The utility model discloses a double-gap expansion joint usable for a metro power supply contact rail system. The double-gap expansion joint consists of a divider, support plates, an auxiliary divider, an auxiliary support plate, long guide plates, short guide plates, fishplates, movable rails and a fixed rail. According to the double-gap expansion joint, extension and retraction gaps and angles of the gaps can meet the sliding requirements of electrical shoes, and the overall extension and retraction gap of the expansion joint is enlarged to 200mm to meet the requirements of operation at extreme environmental temperature.
Description
Affiliated technical field
The utility model relates to the double slit expansion pipe of using in a kind of subway power supply contact rail system, the expansion pipe that especially can strengthen expansion pipe clearance for expansion.
Background technology
Expansion pipe is indispensable parts in subway power supply contact rail system.Contact rail meeting is because the situations such as the variation of self conduction current and ambient temperature variation expand or shrink, expansion pipe self structure has flexible gap, can within the scope of certain distance, eliminate contact rail and expand or shrink the adverse effect of bringing to system, guarantee that contact rail system can work.It is particularly important that the size in the flexible gap of expansion pipe just seems.The structure that the expansion pipe of single seam generally adopts before being, this expansion pipe only has a flexible gap, and in order to guarantee that collector shoe can slip over smoothly when through the flexible gap of expansion pipe and the restriction of expansion pipe structure, the maximal dilation gap of single seam expansion pipe is 150mm.At present, Global climate change is violent, and extreme ambient temperature happens occasionally, and the expansion of contact rail system and amount of contraction are increased, and single seam expansion pipe that maximal dilation gap is 150mm cannot adapt to certain areas service condition.If the flexible gap of expansion pipe is not enough, may cause the danger of system crash.
Summary of the invention
In order to overcome the deficiency in the flexible gap of single gap expansion pipe, the utility model provides a kind of double slit expansion pipe, this double slit expansion pipe not only can guarantee that collector shoe slips over expansion pipe smoothly, and has increased the flexible gap of expansion pipe, adapts to extreme ambient temperature and changes.
The utility model solves the technical scheme that its technical matters adopts: double slit expansion pipe adopts the structure of three tracks, in the middle of two moving rails, is provided with an orbit determination.Like this, orbit determination just forms respectively a flexible gap with the moving rail on both sides, has formed double slit expansion pipe.On two moving rails, be all welded with stay bearing plate, expansion pipe shunt is connected with stay bearing plate, so just with shunt, two moving rails of double slit expansion pipe is coupled together, and makes can be transferred to the moving rail of opposite side from the moving rail of a side through the electric current of double slit expansion pipe.In order to guarantee that collector shoe can power-off when through double slit expansion pipe yet, auxiliary support plate and auxiliary shunt are housed on orbit determination, auxiliary shunt is connected with shunt, can be by delivery of electrical energy to orbit determination.Collector shoe all can access electric energy at driven rail again to orbit determination in moving rail sliding process, has guaranteed the normal operation of train.Flexible gap angle between the moving rail of double slit expansion pipe and orbit determination is 30 °, and the minor increment in each flexible gap is 100mm, such two flexible gaps with minimum be 200mm, the flexible gap of single seam expansion pipe 150mm has increased 50mm.
The beneficial effects of the utility model are, a kind of double slit expansion pipe, this double slit expansion pipe not only can guarantee that collector shoe slips over expansion pipe smoothly, whole slip over expansion pipe process in collector shoe all the time can power-off, and the flexible gap of single seam expansion pipe has increased 50mm, has strengthened greatly the ability that extreme ambient temperature changes that adapts to.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is that constitution diagram is pulled open in two flexible gaps of the present utility model.
Fig. 2 is two flexible gap-closing constitutions diagram of the present utility model.
Fig. 3 is double slit expansion pipe constructional drawing.
1. moving rails in figure, 2. orbit determination, 3. shunt, 4. stay bearing plate, 5. auxiliary shunt, 6. auxiliary support plate, 7. long guide plate, 8. short-range missile plate, 9. fish plate.
The specific embodiment
In Fig. 1, orbit determination (2) is positioned between two moving rails (1), by fish plate (9), orbit determination (2) and two moving rails (1) is coupled together, and forms two moving rails (1) with respect to the sliding channel of orbit determination (2).It is upper that stay bearing plate (4) is welded on moving rail (1), and auxiliary support plate (6) is welded on orbit determination (2).Shunt (3) is connected with stay bearing plate (4) by fastener, like this, by shunt (3), just two moving rails (1) is coupled together, and can form current path.The auxiliary support plate (6) being welded on orbit determination (2) is connected with shunt (3) by auxiliary shunt (5), has realized orbit determination (2) and also can obtain from shunt (3) effect of electric energy.In the process that guarantees to change in the flexible gap of expansion pipe, shunt (3) also can be equipped with long guide plate (7) in shunt (3) outside along with motion together, in shunt (3) inner side, short-range missile plate (8) is housed.In the middle of long guide plate (7) and short-range missile plate (8), clamp shunt (3), by fastener, this three is secured together.
In embodiment illustrated in fig. 2, two moving rails (1) are away from middle orbit determination (2), and two flexible gaps that now form between moving rail (1) and orbit determination (2) are in open mode.The flexible gap forming between moving rail (1) and orbit determination (2) and the angle between moving rail (1) and orbit determination (2) longitudinal centerline are 30 °, the minor increment in each flexible gap is 100mm, such two flexible gaps with minimum be 200mm.
In the embodiment shown in fig. 3, two moving rails (1) contact with middle orbit determination (2), now between moving rail (1) and orbit determination (2), stretch gap in closure state.
Claims (4)
1. a double slit expansion pipe, couples together orbit determination and two moving rails by fish plate, it is characterized in that: between two moving rails, added an orbit determination, formed two flexible gaps between moving rail and orbit determination.
2. double slit expansion pipe according to claim 1, is characterized in that: stay bearing plate and moving rail weld together, shunt is connected with stay bearing plate.
3. double slit expansion pipe according to claim 1, is characterized in that: auxiliary support plate and orbit determination weld together, auxiliary shunt connects auxiliary support plate and shunt.
4. double slit expansion pipe according to claim 1, is characterized in that: long guide plate and short sword plate are housed as shunt clamping guiding in shunt both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320307088.2U CN203410322U (en) | 2013-05-30 | 2013-05-30 | Double-gap expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320307088.2U CN203410322U (en) | 2013-05-30 | 2013-05-30 | Double-gap expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203410322U true CN203410322U (en) | 2014-01-29 |
Family
ID=49973240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320307088.2U Expired - Lifetime CN203410322U (en) | 2013-05-30 | 2013-05-30 | Double-gap expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203410322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742840A (en) * | 2016-03-28 | 2016-07-06 | 深圳华品轨道交通有限公司 | Jointless telescopic connector with contact rails |
| CN106809061A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Conductor rail connector expansion pipe component |
| CN108501772A (en) * | 2017-02-28 | 2018-09-07 | 比亚迪股份有限公司 | Transition connecting apparatus for conductor rail |
| CN111746357A (en) * | 2019-03-28 | 2020-10-09 | 比亚迪股份有限公司 | Transition connecting device for conductor rail and conductor rail with transition connecting device |
-
2013
- 2013-05-30 CN CN201320307088.2U patent/CN203410322U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742840A (en) * | 2016-03-28 | 2016-07-06 | 深圳华品轨道交通有限公司 | Jointless telescopic connector with contact rails |
| CN106809061A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Conductor rail connector expansion pipe component |
| CN108501772A (en) * | 2017-02-28 | 2018-09-07 | 比亚迪股份有限公司 | Transition connecting apparatus for conductor rail |
| CN108501772B (en) * | 2017-02-28 | 2021-07-20 | 比亚迪股份有限公司 | Transition connection device for conductor rail |
| CN111746357A (en) * | 2019-03-28 | 2020-10-09 | 比亚迪股份有限公司 | Transition connecting device for conductor rail and conductor rail with transition connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |