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Patent Searching and Data


Title:
TRAILER FRAMEWORK AND TRAILER BOGIE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/056642
Kind Code:
A1
Abstract:
A trailer framework and a trailer bogie having the same. The trailer framework comprises a cross-beam (1) and side beams (2) fixedly disposed at two ends of the cross-beam (1). The side beams (2) are U-shaped structure beams. A first brake beam (3) is disposed between the side beams (2) above and in front of the cross-beam (1), and a second brake beam (5) is disposed between the side beams (2) above and behind the cross-beam (1). The first brake beam (3) and the second brake beam (5) are parallel to each other, and two ends thereof are fixedly connected to the respective side beams (2) at inner sides of the side beams. The first brake beam (3) and the second brake beam (5) are provided with brake seats (4) thereon respectively for mounting braking devices. The plurality of braking seats (4) of the first brake beam (3) are disposed on a front side of the first brake beam and arranged at intervals laterally on the first brake beam (3), and the plurality of braking seats (4) of the second brake beam (5) are disposed on a rear side of the second brake beam and arranged at intervals laterally on the second brake beam (5). The above trailer framework enables an easier design and processing of cross-beams and can reduce the concentration of stress on the cross-beams.

Inventors:
LIU CHANGQING (CN)
ZHAO WENXUE (CN)
FAN JUN (CN)
LIANG WEI (CN)
ZHOU DIANMAI (CN)
HAN QINGLI (CN)
Application Number:
PCT/CN2017/119273
Publication Date:
March 28, 2019
Filing Date:
December 28, 2017
Export Citation:
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Assignee:
CRRC CHANGCHUN RAILWAY VEHICLES CO LTD (CN)
International Classes:
B61F5/52
Foreign References:
CN104802822A2015-07-29
CN205311621U2016-06-15
CN202879513U2013-04-17
US20170232979A12017-08-17
CN107472283A2017-12-15
CN201710848349A2017-09-19
CN201721202607U2017-09-19
Other References:
See also references of EP 3623249A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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