Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RAILWAY OVERLOAD AND UNBALANCED LOAD SYSTEM AND DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/136620
Kind Code:
A1
Abstract:
A railway overload and unbalanced load detection system and method, comprising steel rails (1). Two sampling points (2) are respectively provided on two sides of a rail web (12) of each steel rail (1) between every two sleepers (3); the sampling points (2) on each side are symmetrically provided with respect to the steel rails (1); an optical fiber sensitive element (4) is obliquely and fixedly provided on each sampling point (2), and the sampling points (2) are provided on neutral axes of the steel rails (1); two optical fiber sensitive elements (4) on the same side of each steel rail (1) are arranged to form an included angle of 90 degrees; the optical fiber sensitive elements (4) are provided on the sampling points (2) on the neutral axes, so that outputs of the optical fiber sensitive elements (4) are shear waveforms when the steel rails deform under force; the two optical fiber sensitive elements (4) on the same side of the steel rail (1) are provided to form the included angle of 90 degrees. During overload and unbalanced load detection, the shear waveforms of the two optical fiber sensitive elements (4) are ensured to be complementary so as to form a collection interval capable of performing collection during a whole detection process, and the precision of detection is ensured. Moreover, the sampling points (2) on each side are symmetrically provided with respect to the steel rails (1), so as to overcome rolling pendulum interference caused by S-shaped operations of trains.

Inventors:
LIU, Xiaobing (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
PANG, Xiangsheng (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
WANG, Zhiqiang (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
FU, Jianming (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
GUO, Chao (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
Application Number:
CN2018/072024
Publication Date:
July 18, 2019
Filing Date:
January 10, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BEIJING ORIENTAL RAILWAY TECHNOLOGY DEVELOPMENT CO., LTD. (Room 2306, ZhongSheng Building No.2, Beifengwo,Road, Haidian District, Beijing 8, 100038, CN)
International Classes:
B61K9/12; B61L23/04; G01G19/04; G01L1/04
Attorney, Agent or Firm:
BEIJING WEIZHENG PATENT AGENCY CO.,LTD. (Room 1101, TianLian Building No.102 Lianhuachi East Rd., Xicheng District, Beijing 0, 100000, CN)
Download PDF: