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升降機廠家http://m.meiants.cn/分析到在升降機的最頂部和最底部都設有一個傳感器，該傳感器用于檢測其正前方的金屬物體，借此檢測升降機是否還處在導軌范圍內，如果其中一個傳感器沒檢測到導軌，則有控制系統(tǒng)切斷電動升降機電源，避免升降機脫軌。
Lift manufacturers analysis to the topmost and bottommost lifts have a sensor that is used to detect metal objects in front, thereby detecting whether electric lift rail still is within range, if one of the sensors is not detected rail, there are electric lift off the power control system to avoid lift derailed.

升降機廠家http://m.meiants.cn/談到升降機防脫軌裝置，包括安裝板和傳感器，安裝板固定在電動升降機吊籠或驅動裝置上，傳感器固定在安裝板上，傳感器的感應端正對電動升降機導軌架的金屬構件，在升降機吊籠或驅動裝置的頂部設置有一個安裝板和傳感器，在升降機吊籠的底部還設有一個安裝板和傳感器，該兩個傳感器的信號輸出線均與控制裝置相連，傳感器是接近開關。
Speaking elevator lift anti-derailment device manufacturers, including the mounting plate and the sensor mounting plate on the lift cage or electric drives, sensor mounting plate, inductive sensors for electric lift upright metal frame rail components, electric lift cage or on top of the drive is provided with a mounting plate and the sensor at the bottom of the lift cage is also provided with a mounting plate and the sensor, the two sensor signal output lines are connected to the control unit, the sensor is a proximity switch.