Device and method for detecting position of switch contact of trolley of switch cabinet

The invention relates to the technical field of closed switch cabinets, in particular to a device and method for detecting the position of a switch cabinet trolley switch contact. Comprising a measuring rod which is marked with a plurality of scales, and one end of the measuring rod is a measuring end; the sliding caliper is arranged on the measuring rod in a sliding manner; the handle is arranged at the other end of the measuring rod; the cabinet door connecting and fixing support is provided with a circular hole, one end of the circular hole is provided with a hollow circular tube, and the diameter of the hollow circular tube is equal to that of the measuring rod; and the rotary cover plate is arranged at the other end of the circular hole, and the rotary cover plate is close to the circular hole. According to the method, the in-place condition of the switch contact is indirectly judged by utilizing a physical measurement method, the in-place conditions of the switch trolley, the movable contact and the sta