Automatic thread lubricating system for rotary drilling rig and control method

The invention relates to the technical field of thread lubricating systems, in particular to an automatic thread lubricating system for a rotary drilling machine. The automatic thread lubricating system comprises a lubricating pump assembly, the lubricating pump assembly is installed above a fixing support, an oil storage barrel is arranged in the fixing support, and the lubricating pump assembly is connected with a quantitative injection device through a connecting pipeline; the energy accumulator is arranged on the connecting pipeline; the intelligent controller is electrically connected with the lubricating pump assembly, and the intelligent controller is electrically connected with the proximity switch; the automatic thread lubricating system for the rotary drilling machine and the control method have the beneficial effects that the quantitative lubricant is automatically sprayed before thread connection, time and labor are saved, efficiency is high, and meanwhile the difficulty of drill rod butt joint an