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Patent Searching and Data


Title:
AXLE BOX SUSPENSION DEVICE AND BOGIE WITH SAME
Document Type and Number:
WIPO Patent Application WO/2020/191979
Kind Code:
A1
Abstract:
Provided is an axle box suspension device. The axle box suspension device comprises an end part wheel pair assembly (10). The end part wheel pair assembly (10) comprises a first wheel pair (11), a first axle box (12), a first buffering piece (13), a second buffering piece (14), and a first bearing saddle (15). The first axle box (12) is arranged on the first wheel pair (11), the first axle box (12) comprises a first support base (121) and a second support base (122), the first buffering piece (13) is arranged on the first support base (121), the second buffering piece (14) is arranged on the second support base (122), and the first bearing saddle (15) is arranged between the first wheel pair (11) and the first axle box (12); a first guide frame (16) is arranged on the first buffering piece (13), and a first positioning plate (161) is arranged opposite a side plate of the first axle box (12); the bottom of a first inclined wedge structure (17) is connected to the second buffering piece (14); a second guide frame (110) is arranged in the inclined plane of the first inclined wedge structure (17); and a third buffering piece (18) is arranged between the first bearing saddle (15) and the first axle box (12). Further provided is a bogie with the axle box suspension device. The technical solution of the present invention may solve the technical problem in the prior art of the dynamics performance of an axle box suspension device being unstable.

Inventors:
XU SHANCHAO (CN)
XU RANDI (CN)
FAN ENBO (CN)
ZHANG WENLONG (CN)
WANG YANHUI (CN)
LI ZHIZE (CN)
ZHANG LUYING (CN)
MU FENGJUN (CN)
XU SHIFENG (CN)
Application Number:
PCT/CN2019/098689
Publication Date:
October 01, 2020
Filing Date:
July 31, 2019
Export Citation:
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Assignee:
CRRC QIQIHAR ROLLING STOCK CO LTD (CN)
International Classes:
B61F5/30
Foreign References:
CN109910939A2019-06-21
CN206086746U2017-04-12
SU1585194A11990-08-15
EP1282549B12005-03-23
GB2448804A2008-10-29
US3827768A1974-08-06
CN201457395U2010-05-12
CN201573664U2010-09-08
CN108290583A2018-07-17
CN204641773U2015-09-16
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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