The main elements of routine maintenance inspection and repair of overhead cranes are:
First-level inspection and maintenance: is a regular maintenance work, by the bridge crane operator is responsible for, mainly including wire rope, reel, pulley, bearings, couplings, reducers, brakes, etc. inspection, lubrication, tightening and adjustment. Secondary inspection and maintenance: is a regular maintenance work, it is responsible for the maintenance workers, including the entire bridge crane maintenance and maintenance of various institutions and equipment.
This item and the bridge crane operator handover system combined, mainly by the handover of the bridge crane operator together on the bridge crane important mechanical and electrical parts, such as hooks, wire rope, each agency brake, controller, each agency limiters and various safety switch action is sensitive and reliable check. Specific inspection items are as follows:
By the manipulation of the overhead crane several operators in each weekend together on the overhead crane for a comprehensive inspection, weekly inspection including:
Overhead crane operators and maintenance personnel (electricity, clamps) together to check the crane, the content of the monthly inspection is divided into the contents of the weekly inspection, but also includes the following:
Can be combined with the first level of maintenance of overhead cranes, operators and repair personnel together, the content of the half-yearly inspection, in addition to including the weekly inspection, monthly inspection content, should include the following:
Can be combined with the bridge crane secondary maintenance, in addition to all the content of the half-yearly inspection, should also check the metal components have no cracks, welded seams have no rust; the size of the wheel wear condition; measurement of the large car span and large car track span difference, measurement of the main beam static winding and static, dynamic load test; comprehensive lubrication of the crane.
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