Laser detection system and method for wheel rail contact state and wheel tread fault

• Main Authors: ZHENG FAJIA, RAN YUNFENG, YANG JING, FENG QIBO
• Format: Patent
• Language: Chinese; English
• Published: 10.01.2020
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; OTHER AUXILIARY EQUIPMENT FOR RAILWAYS; PERFORMING OPERATIONS; PHYSICS; RAILWAYS; TARIFF METERING APPARATUS; TESTING; TRANSPORTING

The invention provides a laser detection system and method for wheel rail contact state and wheel tread fault. The laser detection system comprises a train trigger unit, N laser measurement units, N acting force sensitive units and a system control and data processing unit, wherein the train trigger unit, the N laser measurement units, the N acting force sensitive units and the system control anddata processing unit are connected in a circuit, and N is a positive integer and is an even number; the laser measurement units emit laser light in the longitudinal direction, the vertical direction and the transverse direction and receiving the returned reflected light carrying the acting force information, the axle scattered light carrying the position information of an axle and the inner side scattered light carrying the position information of the inner side surface of wheel set, and an acting force measurement signal, a wheel set yaw angle and side roll angle measurement signal and a traverse measurement signal a