Human body wearable upper limb exoskeleton device for heavy load carrying

The utility model discloses a human body wearing upper limb exoskeleton device for heavy load carrying, which adopts a shoulder back plate device, a width adjusting device, a shoulder joint device and an arm driving device, the shoulder joint device and the arm driving device can rotate along with the human body arm, the force of the human body arm is transferred to the back of the human body, and the human body wearing upper limb exoskeleton device adopts an active mode. The weight of the whole equipment is reduced, meanwhile, the degree of freedom distribution suitable for human body movement is achieved, pressure and torque brought by heavy objects on shoulder joints when the heavy objects are carried by the human body are shared, a shoulder back plate rotating joint and a shoulder rotating joint are fixed to a shoulder flitch plate, and two width adjusting devices are symmetrically arranged on the shoulder flitch plate; each width adjusting device is connected with one shoulder joint device and one arm dr