A lifting vehicle frame, comprising: an upper vehicle frame ; a lower vehicle frame ; a lifting assembly (a), the upper vehicle frame and the lower vehicle frame being connected through the lifting assembly, wherein at least two lifting assemblies are provided in a first direction; the lower vehicle frame and the upper vehicle frame being able to move close to or away from each other by operating the at least two lifting assemblies, and each lifting assembly including a lifting motor , a wire rope , and a movable pulley , wherein, the two lifting motors of said lifting assemblies are provided opposite to each other in a second direction, and the two lifting motors are fixed to the upper vehicle frame; the second direction and the first direction are perpendicular to each other; the movable pulley and the lifting motor are provided correspondingly in one-to-one relation, and two movable pulleys are rotatably disposed on the lower vehicle frame in the second direction; and the wire rope , the lifting motor and the movable pulley are provided correspondingly in one-to-one relation, and the wire rope has a first end and a second end opposite to each other; the first end and the second end of the wire rope both are wound on an output end of a corresponding lifting motor, and the movable pulley is disposed in the middle of a corresponding wire rope; and a locking device (b), the locking device (b) is disposed on the lower vehicle frame; the lower vehicle frame and the upper vehicle frame are locked with each other by operating the locking device when the lower vehicle frame and the upper vehicle frame are close to each other. an upper vehicle frame ; a lower vehicle frame ; a lifting assembly (a), the upper vehicle frame and the lower vehicle frame being connected through the lifting assembly, wherein at least two lifting assemblies are provided in a first direction; the lower vehicle frame and the upper vehicle frame being able to move close to or away from each other by operating the at least two lifting assemblies, and each lifting assembly including a lifting motor , a wire rope , and a movable pulley , wherein, the two lifting motors of said lifting assemblies are provided opposite to each other in a second direction, and the two lifting motors are fixed to the upper vehicle frame; the second direction and the first direction are perpendicular to each other; the movable pulley and the lifting motor are provided correspondingly in one-to-one relation, and two movable pulleys are rotatably disposed on the lower vehicle frame in the second direction; and the wire rope , the lifting motor and the movable pulley are provided correspondingly in one-to-one relation, and the wire rope has a first end and a second end opposite to each other; the first end and the second end of the wire rope both are wound on an output end of a corresponding lifting motor, and the movable pulley is disposed in the middle of a corresponding wire rope; and a locking device (b), the locking device (b) is disposed on the lower vehicle frame; the lower vehicle frame and the upper vehicle frame are locked with each other by operating the locking device when the lower vehicle frame and the upper vehicle frame are close to each other. <EOS>