TRACTION BEAM FOR RAIL TRAIN, AND TRACTION DEVICE

Title:

TRACTION BEAM FOR RAIL TRAIN, AND TRACTION DEVICE

Document Type and Number:

WIPO Patent Application WO/2022/122011

Kind Code:

A1

Abstract:

A traction beam for a rail train, and a traction device. The traction device comprises the traction beam; the traction beam comprises an intermediate and two ends arranged at the two ends of the intermediate; a pin sleeve hole used for mounting a central pin sleeve is provided on the intermediate; a pull rod hole used for connecting a traction pull rod is provided on each end; the end comprises a main part, the cross-sectional area of the main part shrinking along a length direction of the traction beam; the end, having a larger cross-sectional area, of the main part is connected to the intermediate; a curved part is provided on a side surface of the intermediate; the side surface of the intermediate, by means of the curved surface part thereof, is in smooth transition with a side surface of the main part. The traction beam and the traction device provided by the present application are light in weight and high in structural strength, can fully satisfy bearing requirements, is small in size and small in occupied vertical installation space, and does not affect the arrangement of an anti-side rolling device.

Inventors:

CAO HONGYONG (CN)
YANG DONGXIAO (CN)
CAO QINGDA (CN)
YANG WEIDONG (CN)
YANG XIN (CN)

Application Number:

PCT/CN2021/137049

Publication Date:

June 16, 2022

Filing Date:

December 10, 2021

Export Citation:

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Assignee:

CRRC QINGDAO SIFANG CO LTD (CN)

International Classes:

B61F5/16; B61F5/18

Foreign References:

CN203358607U	2013-12-25
CN211494071U	2020-09-15
CN201646749U	2010-11-24
CN112606862A	2021-04-06
CN107472287A	2017-12-15
JP2005335558A	2005-12-08
CN202011438180A	2020-12-10

Other References: