Rotary drilling rig one-key drilling control device
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A rotary drilling rig one-key drilling control device is characterized in that a signal output end of a drilling position of a control handle in the device is electrically connected into a corresponding signal input end of a controller; signal output ends of the controller are respectively connected into corresponding control ports of a power head control valve, a pressurizing oil cylinder control valve, an electromagnetic overflow valve, an electric proportional feedback valve, a main hoisting control valve, a floating electromagnetic valve and a brake electromagnetic valve; corresponding signal input ends of the main hoisting control valve are connected with corresponding signal output ends of the floating electromagnetic valve and the brake electromagnetic valve; and corresponding oil ports of the power head control valve, the main hoisting control valve and the pressurizing oil cylinder control valve are communicated with corresponding oil ports of a power head motor, a main hoisting motor and a pressurizing oil cylinder.