End socket groove positioning device

The utility model discloses an end socket groove positioning device, relates to the technical field of end sockets, and aims to solve the problem that the end socket is jacked upwards when the inner wall of the end socket is propped due to the fact that an existing positioning device cannot be attached to an inner groove. Comprising a top disc, a clamping arm is arranged on the top disc, an electric push rod is arranged on the clamping arm, a telescopic block is arranged on the electric push rod, a rubber block is arranged on the telescopic block, an adjusting mechanism is arranged on a chassis, and a driving mechanism is connected with the clamping arm through the adjusting mechanism; through cooperation between an adjusting mechanism and a clamping arm, under driving of a motor, the motor drives a face gear to rotate through a driving gear and drives a linkage gear meshed with the face gear to rotate, under cooperation of a moving groove and an adjusting rod, a moving block is driven to move, and then angle