Suspension frame assembly of magnetic levitation vehicle

Patent metadata

Field	Value
Publication number	US-11577614-B2
Application number	US-201816616963-A
Country	US
Kind code	B2
Filing date	May 3, 2018
Priority date	Aug 3, 2017
Publication date	Feb 14, 2023
Grant date	Feb 14, 2023

Abstract

A suspension frame assembly of a magnetic levitation vehicle, includes multiple suspension frames which are sequentially connected; and each suspension frame includes two longitudinal beam bodies arranged in parallel. A supporting wheel and a holding arm are fixedly provided on both ends of each longitudinal beam body; and two anti-rolling devices mounted between mounting frames of two of the supporting wheels at a same end of the two longitudinal beam bodies; and the two longitudinal beam bodies of one of the suspension frames are respectively hingedly connected to the two longitudinal beam bodies of an adjacent suspension frame; an air-spring arm beam is provided at a hinged part of the two suspension frames, and is mounted on the holding arm of one of the two longitudinal beam bodies which are hingedly connected.

First claim

The invention claimed is:

1. A suspension frame assembly for a magnetic levitation vehicle, comprising: a plurality of suspension frames which are sequentially connected; and each of the suspension frames comprising:
two longitudinal beam bodies arranged in parallel, wherein a supporting wheel and a holding arm are fixedly provided on both ends of each of the longitudinal beam bodies; and
two anti-rolling devices, which are mounted between mounting frames of two of the supporting wheels at a same end of the two longitudinal beam bodies; and
wherein the two longitudinal beam bodies of one of the suspension frames are respectively hingedly connected to the two longitudinal beam bodies of an adjacent suspension frame; an air-spring arm beam for mounting an air spring is provided at a hinged part of the two suspension frames, and the air-spring arm beam is mounted on the holding arm of one of the two longitudinal beam bodies which are hingedly connected; and
each holding arm of the two longitudinal beam bodies at both ends of the suspension frame assembly is mounted with the air-spring arm beam for mounting the air spring.

2. The suspension frame assembly according to claim 1 , wherein both sides of each of the anti-rolling devices are each connected to the mounting frame of the supporting wheel at a corresponding side by a diagonal pull rod and a horizontal pull rod.

3. The suspension frame assembly according to claim 2 , wherein the diagonal pull rod is hingedly connected to the mounting frame of the supporting wheel by a ball joint bearing for the diagonal pull rod, to allow the diagonal pull rod to have a predetermined rotation angle adjustment range; the horizontal pull rod is hingedly connected to the mounting frame of the supporting wheel by a ball joint bearing for the horizontal pull rod, to allow the horizontal pull rod to have a predetermined rotation angle adjustment range.

4. The suspension frame assembly according to claim 1 , wherein a lateral stop is mounted on each of opposite sides of the two holding arms of each of the longitudinal beam bodies, and a distance from the lateral stop to an end of the suspension magnet module at a corresponding side is ⅕ of a length of the suspension magnet module.

5. The suspension frame assembly according to claim 4 , wherein a brake caliper is mounted on a middle portion of each of the longitudinal beam bodies, a pull rod is provided on both sides of the brake caliper, and the pull rod has one end hingedly connected to the brake caliper and another end hingedly connected to the lateral stop at a corresponding side.

6. The suspension frame assembly according to claim 4 , wherein a wear-resistant member is fixed on an inner side of the lateral stop.

7. The suspension frame assembly according to claim 1 , wherein each of the suspension frames further comprises:
two suspension magnet modules respectively provided on the two longitudinal beam bodies, and two ends of each of the suspension magnet modules are fixedly connected to the holding arms at the corresponding sides respectively.

8. The suspension frame assembly according to claim 7 , wherein an anti-vibration plate is provided at a middle portion of each of the suspension magnet modules.

9. The suspension frame assembly according to claim 1 , wherein each of the longitudinal beam bodies is further provided with a traction linear motor extending along a length direction of the longitudinal beam body.

10. The suspension frame assembly according to claim 9 , wherein each of the longitudinal beam bodies comprises a linear motor beam mounted between the two holding arms and configured to mount the traction linear motor.

11. The suspension frame assembly according to claim 2 , wherein each of the suspension frames further comprises:
two suspension magnet modules respectively provided on the two longitudinal beam bodies, and two ends of each of the suspension magnet modules are fixedly connected to the holding arms at the corresponding sides respectively.

12. The suspension frame assembly according to claim 2 , wherein each of the longitudinal beam bodies is further provided with a traction linear motor extending along a length direction of the longitudinal beam body.

13. The suspension frame assembly according to claim 3 , wherein each of the suspension frames further comprises:
two suspension magnet modules respectively provided on the two longitudinal beam bodies, and two ends of each of the suspension magnet modules are fixedly connected to the holding arms at the corresponding sides respectively.

14. The suspension frame assembly according to claim 3 , wherein each of the longitudinal beam bodies is further provided with a traction linear motor extending along a length direction of the longitudinal beam body.

15. The suspension frame assembly according to claim 4 , wherein each of the suspension frames further comprises:
two suspension magnet modules respectively provided on the two longitudinal beam bodies, and two ends of each of the suspension magnet modules are fixedly connected to the holding arms at the corresponding sides respectively.

16. The suspension frame assembly according to claim 4 , wherein each of the longitudinal beam bodies is further provided with a traction linear motor extending along a length direction of the longitudinal beam body.

17. The suspension frame assembly according to claim 5 , wherein each of the suspension frames further comprises:
two suspension magnet modules respectively provided on the two longitudinal beam bodies, and two ends of each of the suspension magnet modules are fixedly connected to the holding arms at the corresponding sides respectively.

18. The suspension frame assembly according to claim 5 , wherein each of the longitudinal beam bodies is further provided with a traction linear motor extending along a length direction of the longitudinal beam body.

Assignees

• Crrc Qingdao Sifang Co Ltd

Inventors

• Liu Xiankai
• Deng Xiaojun
• Yu Dalian
• Li Huijuan
• Guo Haixia
• Jiang Fujie
• Li Zhaofu
• Luan jin
• Jin Hao

Classifications

• B60L13/03

  Electric propulsion by linear motors · CPC title

• B61F5/52

  Bogie frames · CPC title

• B61B13/08 Primary

  Sliding or levitation systems (vehicles with air cushions between rails and vehicles B60V3/04) · CPC title

• B60L13/04 Primary

  Magnetic suspension or levitation for vehicles · CPC title

• F16C2326/10

  Railway vehicles · CPC title