公开(公告)号：US09709464B2

公开(公告)日：2017-07-18

申请号：US15019340

申请日：2016-02-09

Applicant: CITIC Dicastal CO., LTD

Inventor： Chunhai Liu ,  Shide Li ,  Zhigao Yin ,  Qiang Liu ,  Hongwei Sheng ,  Yiwu Du ,  Yongning Wang ,  Zhihua Zhu ,  Changhai Li

IPC: G01M17/02 ,  G01M17/007

CPC classification number: G01M17/022 ,  G01M17/0074

Abstract: The present invention provides a drum of a wheel tester, which is characterized in that an outer surface of the drum has cyclic corrugations parallel to a cross section of the drum, wherein the cyclic corrugation in one cycle on the outer surface is composed of a concave arc and a convex arc, both of which are tangential in ends and equal in diameter, and one cycle is 30 to 50 mm in length and 1 to 1.5 mm in depth. The drum is easy to machine, reduced in cost, increased in friction force and suitable for simulating various road surfaces.