China Coal Coal Mining Machine Anti-drilling Hydraulic System Obtains New Patent

A few days ago, the hydraulic system for anti jamming that was independently developed by Shi Meiji was granted a utility model patent by the State Intellectual Property Office. This technology improves the fitting of hydraulic components to increase the abrupt load of the rotary motor. The energy storage device will feedback the signal and drive the reversing valve to realize the instantaneous reversal of the inlet cylinder, so that the system can resume normal operation and solve the problem effectively. The large-torque tunnel boring machine stuck drilling problems, improved work efficiency and extended equipment life.
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