阅读说明：本技术 地面变轨装置及变轨距系统 (Ground track transfer device and track pitch transfer system ) 是由 张晓军 郑建科 张丽君 许红江 孙秀宇 赵锋 马永江 宋学毅 郑广生 郝涛广 王 于 2018-09-05 设计创作，主要内容包括：本申请实施例提供一种地面变轨装置及变轨距系统,其中,地面变轨装置用于驱动轨道车辆在第一轨道和第二轨道之间切换,第一轨道的轨距为第一轨距,第二轨道的轨距为第二轨距,第一轨距与第二轨距不同；变轨地面装置包括：支撑轨,设置在地面上,用于对轨道车辆中转向架的垂向载荷进行卸载；导向轨,设置在地面上,用于驱动转向架进行变轨操作；过渡板,设置在地面上,位于第一轨道和第二轨道之间；过渡板的顶面高度与第一轨道的顶面高度之差等于轨道车辆车轮的轮缘顶圆与车轮踏面之间的距离。本申请实施例提供的地面变轨装置及变轨距系统能够减轻转向架的振动幅度。(The embodiment of the application provides a ground track-changing device and a track gauge-changing system, wherein the ground track-changing device is used for driving a rail vehicle to switch between a first track and a second track, the track gauge of the first track is a first track gauge, the track gauge of the second track is a second track gauge, and the first track gauge and the second track gauge are different; become rail ground device includes: the supporting rail is arranged on the ground and used for unloading the vertical load of a bogie in the railway vehicle; the guide rail is arranged on the ground and used for driving the bogie to perform rail transfer operation; the transition plate is arranged on the ground and positioned between the first track and the second track; the difference between the height of the top surface of the transition plate and the height of the top surface of the first rail is equal to the distance between the top circle of the wheel rim of the rail vehicle wheel and the tread of the wheel. The ground rail transfer device and the rail distance transfer system provided by the embodiment of the application can reduce the vibration amplitude of the bogie.)

1. A ground track changing device is used for driving a rail vehicle to switch between a first track and a second track, wherein the track gauge of the first track is a first track gauge, the track gauge of the second track is a second track gauge, and the first track gauge and the second track gauge are different; characterized in that, the orbital transfer ground device includes:

the supporting rail is arranged on the ground and used for unloading the vertical load of a bogie in the railway vehicle;

the guide rail is arranged on the ground and used for driving the bogie to perform rail transfer operation;

the transition plate is arranged on the ground and positioned between the first track and the second track; the difference between the height of the top surface of the transition plate and the height of the top surface of the first rail is equal to the distance between the top circle of the wheel rim of the wheel of the rail vehicle and the tread of the wheel.

2. The ground track transfer device of claim 1, further comprising:

and the first guide piece is arranged on the inner side of the first track and used for guiding the wheels driving to the first track.

3. The ground track transfer device of claim 2, wherein the first guide is parallel to the first rail with a gap therebetween; the end part of the first guide piece facing the second rail protrudes out of the first rail, and the surface of the end part facing the first rail is provided with a first guide inclined surface.

4. The ground rail transfer device of claim 1 or 2, further comprising:

and the second guide piece is arranged on the inner side of the second track and used for guiding the wheels running to the second track.

5. The ground track transfer device of claim 4, wherein the second guide is parallel to the second rail with a gap therebetween; the end of the second guide piece facing the first rail protrudes from the second rail.

6. A ground derailment according to claim 5, wherein the end of the second guide towards the first rail extends to the first rail.

7. The ground rail transfer device of claim 1, wherein the support rail comprises: the two supporting main bodies with the same structure are symmetrically distributed on two sides of the transition plate;

and the support main body is provided with a support structure for supporting a sleeper beam in the bogie and improving the height of the sleeper beam.

8. The ground rail transferring device of claim 7, wherein the supporting structure is a supporting plane disposed on the top of the supporting body and supporting slopes at both ends of the supporting plane; the height of the supporting inclined plane is gradually reduced from the middle of the supporting main body to the two ends.

9. The ground track transfer device of claim 8, wherein the support plane has a length greater than a length of the transition plate;

and the support planes each have an overlapping portion with the first rail and the second rail.

10. The ground rail transfer device of claim 8, wherein a stop is provided on a side of the top of the support body away from the transition plate, the stop being above the support plane.

11. The ground rail transfer device of claim 1, wherein the guide rail comprises: the two guide main bodies with the same structure are symmetrically distributed on two sides of the transition plate;

the guide main body is provided with a guide structure for providing a track transfer driving force for a track transfer guide piece arranged on the bogie.

12. The ground track transfer device of claim 11, wherein the guide structure is a guide slot for receiving a track transfer guide, a side wall of the guide slot contacting the track transfer guide to provide a track transfer motive force to the track transfer guide.

13. The ground derailment apparatus of claim 11, wherein the transition plate has a length greater than or equal to a sum of a wheelbase of the bogie, a length of the derailment guide, and a length of the guide rail in the longitudinal direction.

14. The ground track transfer device of claim 12, wherein the side walls at both ends of the guide groove are provided with second guide slopes.

15. A variable track pitch system, comprising: a pitch bogie and a ground derailment apparatus according to any of claims 1-14.

Technical Field

The application relates to a track distance changing technology of a railway vehicle, in particular to a ground track changing device and a track distance changing system.

Background

Rail vehicles are generally classified into monorail trains and double-track trains, wherein the double-track trains run along two equidistant rails. The track gauge is the distance between two tracks, and most countries or regions adopt uniform track gauge, while the track gauge of some countries or regions is different. Before a rail train drives from a track with one track gauge to a track with another track gauge, a rail changing operation is required, namely: the distance between two wheels connected on the same axle in the rail train is adjusted, so that the distance between the wheels can adapt to a new track gauge.

The present common derailment technique known to the inventors provides a ground derailment device between the wide and narrow rails for unloading the vertical load of the railway vehicle bogie and applying a derailment thrust to the bogie to vary the distance between two wheels connected to the same axle. The inventor finds in research that when the wheels of the bogie leave the wide rail (narrow rail), the wheels can roll down to the ground; when the wheel reaches a narrow rail (wide rail), the wheel moves upwards to the narrow rail (wide rail) by means of the component force of the traction force in the vertical direction to complete the rail transfer operation.

The wheel can generate larger vibration at the moment of falling down, and has certain influence on the service life of each part in the bogie; furthermore, the wheel is returned to the track, requiring a greater traction force and a higher consumption of kinetic energy.

Disclosure of Invention

The embodiment of the application provides a ground track transfer device and a track pitch changing system, which can reduce energy consumption and reduce the vibration amplitude of a bogie.

The embodiment of the first aspect of the present application provides a ground track-changing device, configured to drive a rail vehicle to switch between a first track and a second track, where a track gauge of the first track is a first track gauge, a track gauge of the second track is a second track gauge, and the first track gauge and the second track gauge are different; the orbital transfer ground device includes:

the supporting rail is arranged on the ground and used for unloading the vertical load of a bogie in the railway vehicle;

the guide rail is arranged on the ground and used for driving the bogie to perform rail transfer operation;

the transition plate is arranged on the ground and positioned between the first track and the second track; the difference between the height of the top surface of the transition plate and the height of the top surface of the first rail is equal to the distance between the top circle of the wheel rim of the wheel of the rail vehicle and the tread of the wheel.

An embodiment of a second aspect of the present application provides a variable track pitch system, including: a track gauge bogie and a ground track transfer device as described above.

According to the technical scheme provided by the embodiment of the application, the support rail arranged on the ground is adopted to unload the vertical load of the bogie in the railway vehicle, and the guide rail arranged on the ground drives the bogie to perform the rail transfer operation, so that the bogie can be switched between the first gauge and the second gauge; the transition plate is arranged on the ground and is positioned between the first track and the second track; the difference between the height of the top surface of the transition plate and the height of the top surface of the first rail is equal to the distance between the top circle of the wheel rim of the wheel of the rail vehicle and the tread of the wheel, the wheel is supported after the wheel leaves the first rail or the second rail, the height of the wheel is not changed, the wheel cannot fall downwards, and large vibration is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a ground track transfer device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a support rail in a ground rail transfer device according to a third embodiment of the present application;

fig. 3 is a top view of a ground track transfer device according to a fourth embodiment of the present application;

fig. 4 to 6 are schematic diagrams illustrating a process of performing rail transfer on a bogie according to a fourth embodiment of the present application by using a ground rail transfer device;

fig. 7 is a schematic structural diagram of a bolster in a bogie according to a fifth embodiment of the present application;

fig. 8 is a front view of a bolster provided in example five of the present application;

FIG. 9 is a bottom view of the bolster shown in FIG. 8;

fig. 10 is a partial cross-sectional view of a fifth rail-changing support member provided in accordance with an embodiment of the present application in an extended state;

fig. 11 is a partial cross-sectional view of a fifth rail-changing supporting member according to an embodiment of the present application in a folded state;

fig. 12 is a cross-sectional view of a driven member in the transition support provided in the fifth embodiment of the present application;

fig. 13 is a cross-sectional view of a driving member of the track-changing supporting member according to the fifth embodiment of the present application;

fig. 14 is a plan view of a bogie provided in accordance with a sixth embodiment of the present application;

fig. 15 is a bottom view of a bogie according to a sixth embodiment of the present application;

fig. 16 is a schematic structural diagram of two half frames in a wide gauge in a bogie provided by the sixth embodiment of the application;

fig. 17 is a schematic structural view of two half frames in a bogie according to a sixth embodiment of the present application at a narrow gauge;

fig. 18-21 are schematic diagrams of the bogie provided by the seventh embodiment of the present application and a ground rail transfer device for rail transfer.

Reference numerals:

11-a first track; 12-a second track;

21-a support rail; 211-a support body; 211 a-support plane; 211 b-first support ramp; 211 c-second support ramp; 211 d-barrier; 22-a guide rail; 221-a guide body; 222-a guide slot; 23-a transition plate; 24-a first guide; 241-a first guiding bevel; 25-a second guide;

31-half of the framework; 311-motor hanging seat; 32-a bolster; 33-a track transfer support; 331-a drive member; 3311-cylinder; 3312-a piston rod; 3313-slide block; 332-a follower; 3321-rolling wheel; 3322-a chute; 34-a wheel; 35-a traction motor; 36-a transition guide; 371 — a first plug; 372-second plug connector.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.