在研究凿岩机性能试验中,对易出现测量精度问题的电阻应变片建立一个精确采集电压信号的测试系统,主要对其补偿压力信号原理进行分析,使得测试结果更加精确,以便更好完成对凿岩机性能的研究。 In the research of rock drill performance test, a test system for accurately collecting voltage signal is established for the resistance strain gauge, which is prone to the problem of measurement accuracy. The principle of the compensation pressure signal is mainly analyzed to make the test result more accurate so as to finish the performance of the rock drill Research.