GJY-T-NF-1 Track Geometry Trolley
GJY-T-NF-1 Track Geometry Trolley (referred to as rail inspection instrument or rail inspection trolley for short) is an inspection trolley developed by wuhan linkage track equipment co.ltd. for measuring the internal geometric parameters of rail, also known as relative rail inspection trolley. Its measurement accuracy is 1 grade, and it can be used for rapid measurement of internal geometric parameters of ordinary lines or high-speed railway tracks.
