Electro-hydraulic automatic control device of grab bucket type crawler crane

• Main Authors: LI LIMIN, REN WEITAO, ZHANG CHENG, ZHOU YAXIANG, GUO XUDONG, LIU CHUNPENG, ZHANG YUAN, ZHANG TIEHENG, ZHOU GUOYUN, BAI LINYING
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2020
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses an electro-hydraulic automatic control device of a grab bucket type crawler crane. The hydraulic control system comprises a plunger pump set, a pilot gear pump, an electromagnetic valve set for controlling a main winch clutch, a caliper disc proportional pressure reducing...