Safety requirements and safety devices for tower crane hoist operation

08-08-2019

Safety requirements for tower lifting operation
(1) The tower crane driver and signal personnel must be specially trained and issued a certificate of conformity by the relevant departments, and attention must be paid to whether the type of tower crane studied by the driver is consistent with the type of tower that is actually operated.

154HC Mast Section

(2) Implementation of special aircraft management, captain responsibility system, strict succession system.
(3) The newly installed or overhauled tower crane must run the whole machine test according to the requirements of the manual.
(4) The tower crane distance overhead transmission line shall maintain a safe distance.
(5) Appropriate Fire-fighting equipment shall be provided in the driver's room.
II. Tower Hang Insurance Device

154HC Mast Section

(1) Sling safety device: a safety device that prevents a sling from slipping off the hook.

That is, a pressed spring piece is installed at the opening of the hook head, and the opening is closed. The spring piece can only be pressed down. After placing the Sling, it can not be turned up, which can prevent the Sling from falling off automatically.
(2) Roller safety device: An effective measure to prevent the wire rope from causing an accident outside the roller due to improper winding. The practice is different. It is mainly to weld a steel bar outside the reel, limiting the wire rope to move within the reel.
(3) Fixed foundation: the pit depth is 600mm, concrete is poured on the ash soil, the surface is flat, and there are waterproof and ground protection measures.

154HC Mast Section

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