Railway transportation power supply construction

Patent metadata

Field	Value
Publication number	US-11065983-B2
Application number	US-201716088572-A
Country	US
Kind code	B2
Filing date	Apr 6, 2017
Priority date	Apr 7, 2016
Publication date	Jul 20, 2021
Grant date	Jul 20, 2021

Abstract

A railway transportation power supply construction comprising a power supply rail and a return current rail respectively secured on two sides of an insulating base and isolated by the insulating base. A power supply arm and a return current arm are mounted to a bogie of a vehicle and insulated from the vehicle body by means of insulation rings, the bogie provided with a drive mechanism. The power supply arm has a front end connected to one end of an input port of the drive mechanism, and a terminal end in contact with the power supply rail. The return current arm has a front end connected to the other end of the input port of the drive mechanism, and a terminal end in contact with the return current rail. During operation, the power supply arm has friction with the power supply rail to be powered, and the return current arm has friction with the return current rail, enabling the vehicle to travel through a junction section with uninterrupted power supply while the structure and operating condition of a junction remain unchanged.

First claim

The invention claimed is:

1. A railway transportation power supply construction, which continuously laid along the extending direction of the track bed, wherein the railway transportation power supply construction comprising an insulating base, a power supply rail, a return current rail and an insulating shield,
wherein an upper portion of the insulating base is provided with a boss, with the power supply rail and the return current rail being respectively arranged on two side shoulders of the boss, and the insulating shield is arranged on the top of the boss of the insulating base, the insulating shield covering the power supply rail and the return current rail.

2. The railway transportation power supply construction according to claim 1 , wherein the insulating base is a glass steel insulating base, and/or the insulating shield is a glass steel insulating shield.

3. The railway transportation power supply construction according to claim 1 , wherein the power supply rail and the return current rail are installed higher than a running rail.

4. The railway transportation power supply construction according to claim 1 , wherein the power supply rail, the return rail, the insulating base and the insulating shield are interrupted in a junction section, and wherein the interrupted power supply rail is connected through a power supply cable, and the interrupted return current rail is connected through a return current cable.

5. A railway transportation power supply construction comprising a power supply arm and a return current arm, the power supply arm and the return current arm are coupled with a bogie of a vehicle, the bogie is provided with a drive mechanism,
wherein the power supply arm has a front end connected to one end of an input port of the drive mechanism of the vehicle, and a terminal end in contact with the power supply rail of the railway transportation power supply construction according to claim 1 ;
the return current arm has a front end connected to the other end of an input port of the drive mechanism of the vehicle, and a terminal end in contact with the return current rail of the railway transportation power supply construction according to claim 1 ;
the power supply rail, the power supply arm, the drive mechanism of the vehicle, the return current arm and the return current rail form a power supply loop for the vehicle.

6. The railway transportation power supply construction according to claim 5 , wherein the power supply arm and the return current arm are coupled with the bogie provided with the drive mechanism by means of an insulation ring.

7. The railway transportation power supply construction according to claim 6 , wherein the insulation ring is a rubber insulation ring.

8. The railway transportation power supply construction according to claim 5 , wherein an auxiliary power supply arm and an auxiliary return current arm are provided on an bogie adjacent to the bogie provided with the power supply arm and the return current arm, wherein
the auxiliary power supply arm and the power supply arm are connected by an auxiliary power supply cable, and the auxiliary return current arm and the return current arm are connected by an auxiliary return current cable;
the auxiliary power supply arm is in contact with the power supply rail, and the auxiliary return current arm is in contact with the return current rail;
the distance between the auxiliary power supply arm and the power supply arm is larger than the length of the junction section, and the distance between the auxiliary return current arm and the return current arm is larger than the length of the junction section.

Assignees

• Univ Southwest Jiaotong
• Li Qunzhan

Inventors

• Li Qunzhan

Classifications

• B60L5/36

  with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase · CPC title

• B60M1/305 Primary

  Joints · CPC title

• B60M5/02

  Means for reducing potential difference between rail and adjacent ground · CPC title

• B60M7/00 Primary

  Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway · CPC title

• B60M5/00

  Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents (insulating rail joints E01B11/54; conductive connections between rails in general H01R3/00, H01R4/00, H01R4/70) · CPC title