Vehicle external contour length and wheelbase measuring apparatus for vehicle check station

The invention discloses a vehicle external contour length and wheelbase measuring apparatus for a vehicle check station. The vehicle external contour length and wheelbase measuring apparatus is characterized in that a track is arranged on one side edge on the ground of a parking area and is parallel to the advancing direction of a vehicle, a moving vehicle is arranged on the track through wheels, which are connected with a transmission mechanism, and the transmission mechanism is connected with a stepping motor which is connected with a controller. A laser range finding scanner is connected on the moving vehicle, the laser range finding scanner and the controller are respectively connected with a first wireless communication module, a storage battery is arranged in the moving vehicle, and the storage battery is respectively connected with a laser range finder, the controller and the first wireless communication module. A charging pile is arranged on the starting end of the track, a fixed charging interface is