Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEMITRAILER REAR-WHEEL AXLE LIFTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/233181
Kind Code:
A1
Abstract:
A semitrailer rear-wheel axle lifting device, comprising a lifting oil cylinder (1) and a lifting rocker arm (2) which are hingedly connected to a frame (3); one end of the lifting rocker arm (2) is hingedly connected to the frame (3), and the other end is hingedly connected to the lifting oil cylinder (1); an axle (4) is hingedly connected to the lifting rocker arm (2); and a steering device (11) adopting spherical hinge is further provided on the axle 4. By providing the lifting oil cylinder (1) and the lifting rocker arm (2), when the semitrailer is in idle load, the hydraulic pressure of the lifting oil cylinder (1) is changed to pull up the lifting rocker arm (2) so as to suspend wheels to reduce the wheel friction and oil consumption.

Inventors:
ZHU, Anqi (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
LI, Guangxin (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
BIE, Yichun (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
LI, Xing (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
ZHAO, Wei (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
Application Number:
CN2017/109395
Publication Date:
December 27, 2018
Filing Date:
November 03, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YANG ZHOU VULCAN MACHINERY MANUFACTURING CO., LTD. (Xiangyuan Road, Hanjiang Industrial ParkYangzhou, Jiangsu 0, 225000, CN)
International Classes:
B62D61/12; B62D5/18
Foreign References:
CN107235075A2017-10-10
CN201325496Y2009-10-14
CN105059387A2015-11-18
CN102673644A2012-09-19
CN201552998U2010-08-18
CN105752200A2016-07-13
Attorney, Agent or Firm:
YANGZHOU RUN ZHONG PATENT AGENCY (Room 711, Building BWisdom Valley Science and Technology Building,No. 186 Middle Yangtse Roa, Yangzhou Jiangsu 0, 225000, CN)
Download PDF: