Portable general crane

The utility model relates to the technical field of loading and unloading equipment, and discloses a portable general crane. When in use, the crane is placed beside a vehicle for loading and unloading goods, a chassis is lifted down and is supported on the ground, and then a transverse bracket is opened and extends into an underframe of the vehicle to perform abutting fixation so as to load and unload the goods; in an installation process, the assembly and disassembly of the crane and the loading and unloading operations of the goods can be completed by a single person, so that the manpower can be greatly saved; and when the loading and unloading of the goods in one vehicle are completed, the transverse bracket is loosened and removed from the underframe of a truck, and the crane is installed on another vehicle which needs to load and unload again, so that only one crane needs to be configured in a whole transportation vehicle group to complete the loading and unloading of the goods. The crane disclosed by the utility model has relatively strong universality, can be rapidly assembled and disassembled by the single person, can be transported with the vehicle, is high in portability, can be used in mountains, flat lands or hilly lands no matter where the vehicle travels, and is good in applicability.