Clamping tool for speed reducer cover

The utility model relates to the technical field of speed reducers, in particular to a clamping tool for a speed reducer cover. A clamping tool for a speed reducer cover comprises a tool base plate, rotating units, positioning columns and press-fitting blocks, the multiple positioning columns are arranged on the upper end face of the tool base plate, the multiple press-fitting blocks are arranged on the lower end face of the tool base plate, the multiple rotating units are arranged on the tool base plate, and the multiple press-fitting blocks are arranged on the lower end face of the tool base plate. The rotating unit comprises an oscillating cylinder, an oscillating cylinder connecting plate, a rotating column and a rotating lower support, the tool base plate is in threaded connection with the oscillating cylinder connecting plate through bolts, the rotating column is arranged below the oscillating cylinder connecting plate, one end of the rotating column penetrates through the tool base plate and the oscill