Auxiliary suspension load device for cargo transportation of mobile service vehicle

The invention relates to the technical field of cargo loading and unloading, in particular to an auxiliary suspension load device for cargo transportation of a mobile service vehicle. The existing auxiliary suspension load device has the problems that the loading position of goods is inconvenient to adjust, a hook of the goods is inconvenient to hang on a lifting hook, and the goods are easy to unhook. The auxiliary suspension load device for cargo transportation of the mobile service vehicle comprises a compartment, sliding rails are fixedly connected to the inner walls of the two sides of the compartment, four first electric pulleys are arranged in each sliding rail in a sliding mode, and a sliding block is rotationally connected between every four adjacent first electric pulleys. The first-stage electric push rod is started to drive the second-stage electric push rod and the hook support to move downwards, the transmission wheel rotates anticlockwise to drive the rotary hook to rotate clockwise, and the ro