So the pressure signal of control air holds the single - acting cylinder at the stop position through the pipe named “ supply ” , the 3 - way valve ( pos . no . 22 , upper frame ) , the double check valve ( pos . no . 72 - 1 ) and the quick release valve ( pos . no . 41 , right frame ) 因此控制空氣的壓力信號(hào)保持單作用氣缸在停止位置通過(guò)管路supply ,三通閥22 ,上位,雙向止回閥72 - 1和快速泄放閥41 ,右位。
The 3 - way magnet valve ( pos . no . 77 ) is never energized again ( upper frame ) , but if the cause of deenergizing is eliminated and the electric circuits of the engine protecting system are reset , the 3 - way magnet valve ( pos . no . 77 ) is energized ( upper frame ) , then the control air which has actuated the single - acting cylinder ( pos . no . 21 ) being rapidly blown off through the quick release valve ( pos . no . 41 ) 三通電磁閥77決不會(huì)再次通電上位,但如果斷電的原因被消除而且主機(jī)安保系統(tǒng)電氣回路被復(fù)位,三通電磁閥77被通電上位,作用在單作用汽缸21的控制空氣已被迅速放出通過(guò)快速泄放閥41 。