Rig locking mechanical system that gets on or off bus

The utility model relates to a rig locking mechanical system that gets on or off bus, including locating piece, locating pin, locating lever, split pin, its characterized in that the locating lever both ends be equipped with the open slot, an upper portion is curved locating piece installs in the open slot on locating lever right side, a lower part is curved locating piece installs in the left open slot of locating lever, locating lever both ends and locating piece connect through locating pin and split pin formation hinge respectively, the left locating piece top of locating lever and frame welding down together, the bottom of the locating piece on locating lever right side and platform welding together, the formation locking mechanical system that gets on or off the bus. The utility model relates to a rationally, simple structure, easy preparation, with low costs, with two respectively the locating piece of welding on platform and frame down and locating lever articulated next limit the rotation of getting