Universal type box body general assembly platform for garbage truck and assembling method

The invention provides a universal type box body general assembly platform for a garbage truck and an assembling method. The general assembly platform comprises a workbench, a bottom plate supportingdevice arranged on the workbench and a bottom plate positioning device used for bottom plate positioning; the left side and the right side of the workbench are provided with a vertically arranged support; a left side plate positioning device and a right side plate tight ejecting device are arranged on the support; and a front frame positioning device, a rear frame positioning device and an ejecting plate positioning device are further arranged on the support. Due to the fact that the positioning devices, for the box body, of a bottom plate, a left side plate, a front frame, a rear frame and anejecting plate are arranged, accurate positioning is achieved, precision after box body assembling and welding can be improved easily, the product quality can be improved easily, and the labor intensity of a worker is lowered