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How to Maintain Gantry Crane Well?

2018-04-27 10:39:46 Author:NUCLEON

Gantry cranes (also known as goliath cranes) are bridge-type cranes in which the bridge is supported on the ground track by both legs. The structure consists of a gantry, a trolley running mechanism, a lifting trolley and an electrical part. 

Some gantry cranes have legs on one side and the other side supports running on a factory building or trestle bridge, called a semi-gantry crane. The overhead crane gantry upper bridge (including the main beam and end beam), legs, lower beams and other parts. In order to extend the operating range of the crane, the main beam may extend beyond one or both of the legs to form a cantilever. Lifting carts with booms can also be used to extend the crane's operating range by pitching and rotating the boom.

gantry crane

If you want to prolong the lifetime of the gantry crane, you need to maintain it well. So? do you know how to maintain the gantry crane well?

First, lubrication

The working performance and life of the various crane mechanisms depend largely on lubrication.

During lubrication, the maintenance and lubrication of mechanical and electrical products refer to their own specifications. Lubricants should be injected once a week for carts, cranes, etc. The hoisting machine is filled with industrial gear oil (SY1172-80) 200. The oil level should be checked frequently and replenished promptly.

Second, wire rope

Should pay attention to the broken wire rope situation. If any broken wire, broken strand, or worn out amount reaches the standard for scrapping, new ropes should be replaced in time. The wire ropes that can be used include phosphated steel wire ropes, galvanized steel wire ropes, and smooth steel wire ropes.

Third, spreader

Spreaders must be checked regularly.

single girder gantry crane

Fourth, pulley group

Mainly check the rope groove wear, whether the rim cracks and whether the pulley stuck on the shaft.

Fifth, the wheel

Check the rim and tread regularly, and replace the new one when the rim portion wears or cracks to 10% of the thickness.

When the difference between the diameters of the two driving wheels on the tread exceeds D/600, or if serious scars occur on the tread, the vehicle should be renewed.

Sixth, brake

Each class should be checked once.

The brake should act accurately and the pin must not be stuck. The brake shoe should be properly fitted to the brake wheel, and the clearance of the brake shoe should be equal when the brake is released.

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