154HC Mast Section Safety requirements and safety devices for tower crane operation

28-11-2019

I. safety requirements for tower crane operation



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(1) the tower crane driver and signal personnel must be specially trained, and the relevant department shall issue the certificate of qualification, and pay attention to whether the tower type learned by the tower crane driver is consistent with the actual tower type.


(2) implement the management of special personnel, Captain responsibility system and strict shift system.


(3) the newly installed or overhauled tower crane must be put into trial operation according to the instructions.


(4) the tower crane shall keep a safe distance from the overhead transmission line.


(5) the cab shall be equipped with applicable fire-fighting equipment.




II. Tower crane safety device




(1) hook safety device: the safety device to prevent the sling on the hook from slipping automatically from the hook. That is to say, a pressing spring sheet is installed at the opening of the hook head to close the opening. The spring sheet can only be pressed down and opened, and can not be turned up after the sling is put, so as to prevent the sling from falling off automatically.

154HC Mast Section

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(2) drum safety device: effective measures to prevent accidents caused by improper winding of wire rope beyond the drum. The methods are different, mainly welding a steel bar shroud outside the drum, limiting the wire rope to move only within the scope of the drum.


(3) fixed foundation: the depth of the excavation pit is 600mm, concrete is poured on the lime soil, the surface is flat, with waterproof and grounding protection measures.

154HC Mast Section

154HC mast section is the best in this field

154HC Mast Section

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