其在安全联锁设计包括转速信号处理、加速度信号处理、过载保护、转换三通球阀等。
Its security interlock security design includes rotate speed signal processing, over loading protection, conversion triplet ball valve and so on.
即使对皮带机实行变速调频，由于煤矿皮带机的运输特点和 和>安全需要，皮带机仍然保持在恒转速运行状态。
Even if the belt conveyor speed modulation, due to the transport characteristics of the belt conveyor and safety requirements, belt conveyor is still maintained at constant speed running state.
分析结果表明，采用优化的主轴参数不但降低了主轴自重而且提高了主轴的刚度和临界转速，使主轴在结构方面更加合理、安全。
The result shows that the spindle structure is more safe and suitable after optimizing, with less weight, better rigidness and higher critical speed.
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