BOGIE SUSPENSION TRACTION DEVICE FOR USE IN LOW-FLOOR ARTICULATED RAIL VEHICLE

Title:

BOGIE SUSPENSION TRACTION DEVICE FOR USE IN LOW-FLOOR ARTICULATED RAIL VEHICLE

Document Type and Number:

WIPO Patent Application WO/2017/202221

Kind Code:

A1

Abstract:

A bogie suspension traction device for use in a low-floor articulated rail vehicle, and the device comprises a bolster assembly (6), a traction linkage assembly (7), a single-stage suspension assembly and a two-stage suspension assembly (8); the two-stage suspension assembly is mounted between the bolster assembly and a frame of the bogie (2); two sets of the bolster assemblies and two sets of the traction linkage assemblies are respectively provided; the two sets of bolster assemblies are disposed in the middle of two pairs of wheels (4), respectively; each bolster assembly is connected to the frame by means of one set of traction linkage assembly (7), and each bolster assembly is connected to a vehicle body by a revolving mechanism (101). The device has a simple and compact structure, and is light-weight; during the operation of the vehicle, traction and braking forces may be better transmitted, vertical, horizontal and longitudinal loads may be better borne, and the small-curve negotiation ability of the vehicle may be greatly improved; meanwhile, the floor height may be reduced, thereby notably improving the driving performances of the vehicle.

Inventors:

ZHANG HUIMING (CN)
ZHOU YEMING (CN)
ZHOU JINMING (CN)
ZHOU PINGYU (CN)
WANG SHI (CN)
LIU YUWEN (CN)

Application Number:

PCT/CN2017/084303

Publication Date:

November 30, 2017

Filing Date:

May 15, 2017

Export Citation:

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Assignee:

CRRC QINGDAO SIFANG CO LTD (CN)

International Classes:

B61F5/12; B61F5/04; B61F5/50

Foreign References:

CN105923005A	2016-09-07
CN105923009A	2016-09-07
CN206049696U	2017-03-29
CN102514584A	2012-06-27
EP1741610A2	2007-01-10
EP0829413A2	1998-03-18
CN103253282A	2013-08-21

Other References: