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Patent Searching and Data


Title:
BOGIE AND CONNECTING DEVICE FOR CROSS-CONNECTING ROD AND SIDE FRAME THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/085669
Kind Code:
A1
Abstract:
A connecting device for a cross-connecting rod and a side frame comprises a connecting column (13), a connecting bushing (14), and a bolt (15). The cross-connecting rod (11) is provided with a connecting hole (111). The connecting bushing (14) is mounted in the connecting hole (111) by forming an interference fit and is sleeved on a top end of the connecting column (13). The side frame (12) is provided with a mounting hole (121). A bottom end of the connecting column (13) is mounted in the connecting hole (121) by forming an interference fit. The connecting column (13) is provided with a threaded inner hole (131). A threaded portion of the bolt (15) is connected to the threaded inner hole (131). A head portion of the bolt (15) axially abuts a top end of the connecting bushing (14). The connecting device has a simple and compact structure, is easily mounted or removed, provides a reliable connection, and effectively decreases the total height of the connecting device, such that the connecting device can be arranged in a triangular hole (122) of a side frame (12) of a bogie. The invention simplifies the structure of a bogie and reduces the weight thereof.

Inventors:
ZHOU GUODONG (CN)
XU SHIFENG (CN)
LIU ZHENMING (CN)
SHAO WENDONG (CN)
XU SHANCHAO (CN)
Application Number:
PCT/CN2018/106458
Publication Date:
May 09, 2019
Filing Date:
September 19, 2018
Export Citation:
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Assignee:
CRRC QIQIHAR ROLLING STOCK CO LTD (CN)
International Classes:
B61F5/50
Foreign References:
CN107878495A2018-04-06
CN207523713U2018-06-22
CN103010245A2013-04-03
CN203902570U2014-10-29
CN203126870U2013-08-14
US6357360B12002-03-19
US5584250A1996-12-17
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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