Balance weight set free fall emergency braking device, which can realize auto control load loss protection, when the wellhead end accidental loss of load, balance weight free fall.
平衡重设置自由落体紧急制动装置，可实现井口端意外失载后平衡重自由落体坠落不能人控，却能自控失载保护的万无一失。
The machine includes one photoelectric safety protection device and one emergency stop button to ensure the operators' safety.
机器包含一套安全光栅和急停按钮，保证操作安全。
Working principle, calculation, adjustment and installation of an overspeed protection device-an emergency breaker of a generation set of a turbine are described in detail.
对汽轮发电机组超速保护装置危急遮断器的工作原理、计算、调整与安装做了较为详尽的论述。
Stroke protection, Force and Elongation protection, Emergency stop device, Sensing device when specimen is destroyed.
行程上下限均附安全距离设定，紧急停止键，程序力量及伸长设定，试件破坏感测。
Stroke protection, Force and Elongation protection, Emergency stop device, Sensing device when specimen is destroyed.
行程上下限均附安全距离设定，紧急停止键，程序力量及伸长设定，试件破坏感测。
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