The bolts of the tower crane frame section should be checked frequently and tightened. Overweight things must not be hung, and they must not be taken lightly. Otherwise it will be very serious.

Always check the limit of the tower crane, that is, the weight limit, which is the insurance of the tower crane. If the object to be hoisted is too heavy, the crane will stop working. It is recommended that the tower crane be stopped and the boom should be locked for winds exceeding 4-5 levels to avoid the wind causing the boom to rotate and collide with surrounding buildings or other tower cranes.

The foundation of the tower crane should be maintained and drained well to avoid loosening of the foundation of the tower crane caused by long-term water soaking. Basically, it is also prone to accidents. There are two steel wire ropes of the tower crane, which should be checked every day. Once the burrs appear on the steel wire ropes, they should be replaced immediately.

The tower crane entity should mainly check the torque limit, high limit, luffing limit, rotation limit, hook insurance, wire rope drum and trolley broken rope and other safety devices, wall attachment devices, and connecting fastener bolt pins. Whether the shaft and the main stressed components are deformed and cracked, whether the welding part is unwelded, whether the broken wire and broken strands of the steel wire rope meet the scrap standard.

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