Vehicle-mounted positioner based on Beidou satellite positioning

The utility model relates to the technical field of positioner equipment, and discloses a vehicle-mounted positioner based on Beidou satellite positioning. The vehicle-mounted positioner based on Beidou satellite positioning comprises a mounting plate, a mounting box is fixedly connected to the side face of the mounting plate, a mechanism groove is formed in the inner wall of the mounting box, a limiting rod and a pushing spring are fixedly connected to the inner wall of the mechanism groove, a baffle is arranged on the surface of the limiting rod in a sleeving mode, and the limiting rod and the pushing spring are fixedly connected through the baffle. The baffle is in sliding connection with the inner wall of the mechanism groove. Firstly, a rotating plate is rotated, a rotating rod rotates to pull a pulling line, the pulling line is pulled, then a baffle is pulled, the baffle is pulled to move, a pushing spring is compressed, then a sliding groove in a moving block is aligned with a limiting plate, then a po