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Patent Searching and Data


Title:
BOARDING AUXILIARY DEVICE OF RAIL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/215656
Kind Code:
A1
Abstract:
Disclosed is a boarding auxiliary device of a rail vehicle, the boarding auxiliary device comprising a boarding platform (1) and a lifting mechanism located below the boarding platform (1). The lifting mechanism comprises a bidirectional power mechanism, a guide rail (3), two first support rods (4), and two second support rods (5), wherein the movement directions of two power output ends of the bidirectional power mechanism are the opposite of each other and are parallel to the boarding platform (1); the upper ends of the two first support rods (4) are hinged to the boarding platform (1), the lower ends of the two first support rods (4) are movably connected to the guide rails (3) and can move along the guide rail (3); and the upper ends of the two second support rods (5) are respectively hinged to the middle of the corresponding two first support rods (4), and the lower ends of the two second support rods (5) are respectively hinged to the two power output ends of the bidirectional power mechanism. The boarding platform (1) can be mounted as part of a vehicle body floor and is at the same height as a vehicle floor; and the lifting mechanism enables the boarding platform (1) to ascend or descend to meet boarding requirements of platforms of different heights.

Inventors:
XIAO DIANXI (CN)
XIE HONGBING (CN)
DAI LONGMING (CN)
LI JIE (CN)
Application Number:
PCT/CN2019/115521
Publication Date:
October 29, 2020
Filing Date:
November 05, 2019
Export Citation:
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Assignee:
CRRC ZHUZHOU LOCOMOTIVE CO LTD (CN)
International Classes:
B61D23/00
Foreign References:
CN110015315A2019-07-16
CN107207016A2017-09-26
CN108609552A2018-10-02
CN106564511A2017-04-19
CN207389201U2018-05-22
CN207809398U2018-09-04
CN106476814A2017-03-08
JPH0986402A1997-03-31
DE19955877A12001-05-31
Other References:
See also references of EP 3950458A4
Attorney, Agent or Firm:
CHANGSHA ZONEKEY PATENT LAW FIRM (CN)
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