System for monitoring stress state of cutter bar of deep hole drilling machine

A system for monitoring a stress state of a cutter bar of a deep hole drilling machine is characterized by comprising a control unit, a power supply, a feedback signal output unit, a halt control device, a stress detection unit, a stress detection signal conversion circuit and stress state analyzing and processing equipment, wherein the control unit is connected with the feedback signal output unit; the stress detection unit is connected with the control unit through the stress detection signal conversion circuit; the stress state analyzing and processing equipment is connected with the control unit; the feedback signal output unit is connected with the halt control device through a data line. The system has the advantages as follows: an advanced sensor detection device and a complete control system are combined, the detection precision is improved, the monitoring operation is simple and convenient, the labor and the time are saved, and the work efficiency is improved.