Full-electric-control hydraulic system of tunneling equipment and coal mine tunneling operation machine

• Main Authors: MOU DONG, WANG XU, LIU ZONGHONG, CHI JINGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model relates to the field of hydraulic systems, and provides a full-electric-control hydraulic system of tunneling equipment and a coal mine tunneling operation machine. The system comprises a multi-linkage electric control variable pump, a multi-linkage electromagnetic multi-way valve assembly, a transportation executing device, a cutting action executing device, a sensor assembly and a control device. And the transportation execution device and the cutting action execution device are connected with the multi-linkage electric control variable pump through the multi-linkage electromagnetic multi-way valve assembly. The sensor assembly is installed on the transportation execution device and the cutting action execution device and used for detecting operation parameters of the transportation execution device and the cutting action execution device respectively. The control device is connected with the multi-connected electric control variable pump and the multi-connected electromagnetic multi-way v