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In view of the problems and shortcomings existed in the running process of car prrrrrrrrnusher, the paper puts forward a scheme of improvement, expounds the mechanical srrrrrrrrntructure, the basic principles of the hydraulic control system and PLC electricrrrrrrrrn control system.
In view of the problems and shortcomings existed in the running process of car p r r r r r r r nusher, the paper puts forward a scheme of improvement, expounds the mechanical s r r r r r r r r ntructure, the basic principles of the hydraulic control system and PLC electric r r r r r r r n control system.