Auxiliary device for replacing plate frame filter cloth

The utility model discloses an auxiliary device for replacing plate frame filter cloth, which relates to the technical field of plate frame filter cloth replacement, and comprises two bottom plates, in the utility model, a filter plate drain pipe is firstly detached, a filter plate is lifted upwards by 3/4 through a V-shaped connecting rod, a lifting appliance and a steel rope, a binding rope at the edge part of old filter cloth is detached, and two corners at the upper part of one side of the old filter cloth are folded downwards; the method comprises the following steps: cutting off a middle connecting part by using a wallpaper knife, removing old filter cloth on two sides of a filter plate, folding one side of new filter cloth, plugging from a middle hole, stretching the new filter cloth, fixing the periphery by using nylon binding ropes, putting down the filter plate to return, mounting a drain pipe, taking and pulling the replaced filter plate by using a trolley, and moving a bottom plate forwards by 300