Device for replacing driven wheel of cart of multifunctional aluminum electrolysis unit

The utility model discloses an aluminum electrolysis multifunctional unit cart driven wheel replacing device, a fixing mechanism and a bearing support rib plate are correspondingly arranged on two sides of a placing platform, the fixing mechanism comprises a fixing plate, a puller bolt and reinforcing rib plates, the fixing plate is provided with a bolt hole for the puller bolt to penetrate through, the reinforcing rib plates are symmetrically arranged on two sides of the puller bolt, and the bearing support rib plates are arranged on the fixing plate. The reinforcing rib plate is fixedly connected with the fixing plate, and the top surfaces of the reinforcing rib plate and the fixing plate are fixedly connected with the bottom surface of the placing platform; the bearing supporting rib plate is of a right trapezoid structure, the top face of the bearing supporting rib plate is fixedly connected with the bottom face of the containing platform, and a chamfer is arranged at the bottom angle of the side, close t