Rapid loading and unloading mechanism for cargo box of transport vehicle for coal mine

The invention belongs to the technical field of coal mine underground auxiliary transportation equipment, aims to solve the problem that coal mine underground production materials cannot be directly dumped and integrally moved, and provides a coal mine transportation vehicle container quick loading and unloading mechanism which comprises a rear rack of a U-shaped opening structure and a container detachably connected to the rear rack. The rear rack comprises a front cross beam and longitudinal beams on the left side and the right side, pivotal shafts are arranged at the tail ends of the longitudinal beams and hinged to a rear wheel installation frame, a rear walking part is installed on the rear wheel installation frame, the rear rack is provided with a lifting mechanism, and the lifting mechanism is connected with the rear wheel installation frame to enable the rear wheel installation frame to pivot around the pivotal shafts so as to achieve lifting of the rear rack. The rear rack is provided with an access