Independent suspension wheel positioning crank pulling arm device

The invention provides an independent suspension wheel positioning crank pulling arm device. The independent suspension wheel positioning crank pulling arm device aims to enable wheels to jump up anddown in the running process to be in a vertical state, enlarge the up-down jumping range of the wheels in the running process, and improve the automobile running smoothness and the riding comfort. Theindependent suspension wheel positioning crank pulling arm device is composed of a left crank and a right crank. The left crank comprises a left crank pulling arm and a wheel fixing shaft, the wheelfixing shaft is fixed to the left crank pulling arm by a pair of first thrust bearings, and a pair of tapered roller bearings are arranged in an inner hole of the other end of the left crank pulling arm; the right crank comprises a right crank pulling arm, a coupling shaft and frame mounting shafts, the coupling shaft is fixedly connected to the right crank pulling arm to be a rigid body, a pair of second thrust bearings ar