The utility model belongs to goods loading and unloading platform technical field, specifically is a goods loading and unloading support platform, including support platform, the inside of one end of support platform is provided with the opening upward chute, the inside sliding installation of chute has the expansion plate, the acting end of
pneumatic cylinder is installed with the action lever, the one side of action lever is installed with the mounting plate, and the mounting plate fixed mounting is at the one end bottom side of expansion plate, and the one end of expansion plate is symmetrically penetrated and is rotatably installed with two threaded rods, and the bottom end of
threaded rod all is installed with the ground -hugging disc, the control panel is started
pneumatic cylinder, and
pneumatic cylinder pushes the action lever, and the mounting plate drives expansion plate to slide in the chute, and the length of support platform is adjusted to adapt to the flat car, and after reaching the position, pneumatic cylinder stops stretching, and the rotation limit
handle makes the
threaded rod drive the ground -hugging disc to touch the ground and compact the support, and after the operation, the
threaded rod is rotated to make the ground -hugging disc leave the ground, and the pneumatic cylinder is shortened, and the expansion plate is retracted into the chute, and the space is reduced to store.