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这种新型锚杆预紧力测试仪由螺母套筒、扭力传感器、扳手、液晶显示器、电源开关、峰值保持系统、仪表本体等组成。通过动摩擦扭紧力矩来控制锚杆预紧轴向力的大小。扭紧力矩则是利用应变扭力传感器来检测的。该测力仪与目前已有的测量锚杆极限拉力和轴向拉力 (包括预紧力 )的?
The new bolt preload tester by the nut sleeve, torque sensor, wrench, liquid crystal display, power switch, peak hold system, instrument body and other components. Torsion moment by dynamic friction to control the size of the bolt preload axial force. Tightening torque is the use of strain torque sensor to detect. The dynamometer and the existing measurement of anchor ultimate tension and axial tension (including pre-tightening force)?