Motor test device for simulating cryogenic environment

The utility model discloses a motor test device for simulating a cryogenic environment, and relates to a motor test device. The utility model aims to solve the problem that the room temperature environment of the existing motor type test station cannot meet the test condition of the cryogenic motor. The device comprises a liquid nitrogen tank, a left bracket, a right bracket, a coupler, a load, a translation mechanism and a lifting mechanism, a to-be-tested motor is arranged in the liquid nitrogen tank, the left support is vertically arranged on the left side of the liquid nitrogen tank, the right support is vertically arranged on the right side of the liquid nitrogen tank, the lifting mechanism is installed on the inner side of the left support, the translation mechanism is arranged between the left support and the right support, and the left end of the translation mechanism is connected with the lifting mechanism. The right end of the translation mechanism is in sliding connection with the inner side face o