Automatic control device of quartering hammer of crawler-type hydraulic excavator

The utility model provides an automatic control device of a quartering hammer of a crawler-type hydraulic excavator. The device comprises an electrical system, a hydraulic system and an actuating mechanism. The control end of a main pump is connected with a central controller. An oil inlet of the main pump is connected with an oil tank. An oil outlet of the main pump is connected with a first oil-way port of a main valve through a first one-way valve. A magnetic valve of the quartering hammer is connected with the central controller. A T oil opening of the quartering hammer is in fluid communication with a manipulating oil return cross joint. A P oil opening of the quartering hammer is in fluid communication with a manipulating oil inlet cross joint. An A oil opening of the quartering hammer is in fluid communication with a first control oil-way port of the main valve. A monitor is in electric connection with the central controller through a CAN bus. A foot switch is in electric connection with the central co