bridge crane safety

The  bridge crane  operating agencies, small frame lifts arrest etc always check at an inconvenient place, in accordance with relevant regulations. Special device type must be managed in accordance with relevant provisions of a combined actual plant, factory units for  overhead bridge crane  uniform requirements, the installation of overload limiter, rising limit position limiter, sweeping rail plate and the supporting frame, conductive slip line fenders, ground, rail end stops and other safety devices, and to develop a unified technical requirements of the protective device. Such as:
(1) When lifting the load reaches 90% of rated load, the system sends an alarm signal; When lifting the load reaches the rated load, the system can automatically cut off power and alarm signals.
(2) up to the limit position when the spreader should be able to automatically cut off the power lift.
(3) at the end of the slip line carts end beam is set fenders, spreader or rope to prevent accidental contact with the slip line: ladder and walkway that leads to the slip between the lines set shield.
(4) end portion of the rail stopper, so that the performance of preventing derailing tray.