Insiders thematic analysis for your bridge crane hoisting phenomenon

The reason wall mount jib crane hoisting phenomenon occurred:
1, the working process, we do not rule out the presence of staff negligence, since bridge gantry crane hook is run by pulling the handle to pull the controller
Lead, so if the driver accidentally during work operations, did not pull the handle controller zero will cause the hook to continue to rise, causing things
It.
2, limit switch, column jib crane hook stopper is on the rise and fall of the process, is responsible for controlling the operation of the main bridge crane hook accessories, if we in the normal course of their work, check for stopper not careful enough, then the joint is very adhesions may occur, but once the joint adhesion limit, and that limit is equivalent to fail, leading to the main hook on the rise in the process, continue to rise, making the rope can not stand the pressure The collision, direct rupture, hook destroyed the goods happen to fall, resulting in unnecessary life safety issues.
3, because the longer the use of cranes age, and the staff did not work in the course of their regular inspection and maintenance, so that the stopper hidden loss
Spirit of risks, and finally cause hoisting phenomenon.