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Patent Searching and Data


Title:
TRACKLESS TROLLEY POWER WALKING SYSTEM AND TRACKLESS TROLLEY
Document Type and Number:
WIPO Patent Application WO/2021/047013
Kind Code:
A1
Abstract:
Provided are a trackless trolley power walking system (13) and a trackless trolley, wherein, the trackless trolley comprises the power walking system (13), the power walking system (13) is used to connect a vehicle body connecting frame (12) arranged between two carriages (11) in a vehicle; the power walking system (13) comprises two groups of power walking assemblies which are symmetrically arranged on the lateral sides of the vehicle body connecting frame (12); the transverse direction is a direction perpendicular to the driving direction of the vehicle; the power walking assembly comprises: an axle box (2) connected with the vehicle body connecting frame (12); a traction motor (3) fixed on the axle box (2); a rotor of the traction motor (3) is externally mounted; and wheels (4) sleeved on the outside of the traction motor (3), connected with the rotor and rotating synchronously. The trackless trolley power walking system (13) facilitates reducing the height of the floor of the carriages (11).

Inventors:
CHEN JINGWEI (CN)
LI CHENSHENG (CN)
WANG DAHAI (CN)
ZHANG SHUO (CN)
SONG YONGSHENG (CN)
Application Number:
PCT/CN2019/117358
Publication Date:
March 18, 2021
Filing Date:
November 12, 2019
Export Citation:
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Assignee:
CRRC TANGSHAN CO LTD (CN)
International Classes:
B60D5/00; B60K7/00; B61D17/20; B61D17/22
Foreign References:
CN108860315A2018-11-23
CN1376123A2002-10-23
CN107215351A2017-09-29
CN110077433A2019-08-02
EP2692555A12014-02-05
CN109067098A2018-12-21
US5953997A1999-09-21
Attorney, Agent or Firm:
IPFUTURE INTELLECTUAL PROPERTY LAW OFFICE (CN)
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