154HC Mast Section prevent the sudden incident in the operation of tower crane correctly
A tower was suspended at the shaft installation site to perform the lifting and unloading task. When it lifted a connecting arm weighing about 6 T Derrick, it caused the aircraft to dump to the right during the rotation of the main arm.
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The main arm touches the ground slightly, the front and rear leg support pads are broken, the piston rod of the leg cylinder is severely bent and deformed, and the front and rear leg expansion arms are deformed and broken; Left front and rear leg cylinder off the ground; Frame engine support hoist fracture; Battery's broken. Fortunately, the driver jumped out of the cab in time. How to prevent the sudden incident in the operation of tower crane correctly?
(1) The correct prevention of Tower lifting should strengthen the education of the driver's safety operating rules so that he can master the relevant tower lifting technology skillfully.
(2) The correct prevention of Tower lifting should strictly comply with the requirements of the "Regulations on the Safety Supervision of Special Equipment" and other laws and regulations. Drivers must be certified for duty, and regular inspection and supervision of vehicles should be carried out.
(3) For the correct prevention of Tower lifting, it is necessary for the lifting unit to carry out detailed inspection and demonstration of the operation items on the special site, and to formulate a detailed operation plan. It is also necessary to arrange full-time personnel to conduct on-site command.
(4) Install torque limiters on vehicles to fundamentally eliminate the potential for irregular safety hazards due to overload.
(5) When the tower crane is properly prevented from choosing a hanging site, it must choose an open area that is not soft, collapsed, and has a drain cover and other flat and solid areas.
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