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The bridge type hoist electric apparatus

04:26, 2008-Jul-30 .. 0 comments .. Link

The bridge type hoist electric apparatus controls the principle and accident analysis

This text, through analyzing the bridge type hoist controls the principle electrically, diagnosis and treatment of combining the bridge type typical trouble of hoist are practised, have put forward the main point that the bridge type electric control system of hoist is repaired, has formed the standard operation procedure.
Keyword: Bridge type hoist Control electrically Typical trouble Standard operation procedure
It is very extensive that the bridge type hoist applies in industrial and mining enterprises, it is mainly made up of three major parts: ( 1) Mechanical part - -Get up, rise organization, pair blow, rise organization mainly ' There is above 15T) , car operation organization and cart operation organization make up. Include electrical machinery, shaft coupling, drive shaft, brake, moderate plane, reel, wheel,etc.; ( 2) Metal structure - -Mainly by the bridge shelf ' Girder, end Roof beam, railing, walks in the platform, car track) , the cab and small frame make up; ( 3) Electric part - -Made up of electric equipment and electric circuit. Including the start, adjusting the speed, reversing control system applying the brake and stopping etc. of motive equipment and every organization.
The bridge type hoist is used mainly for producing the overhauling of the big aircrew of the device in our factory; Respects such as rushing to repair, catalyst adding, device fabrication and storage transportation,etc.. Its intact intensity influences the normal production of our factory directly. The company of Kin On undertook maintenance of the tool instrument of all kinds of hoists of our factory, repair work gradually since about 1997. Practise through the repair in the past few years, find the bridge type main trouble type of the hoist was mechanical breakdown, electric equipment fault and electric control system trouble. Among trouble these, because trouble point various having sure disguise with electric control system trouble particularly, cause and diagnose and handle the difficulty to increase. This text plans to analyze the electric control circuit of comparatively typical 20/5T bridge type hoist, combine the analysis to the typical fault treating procedure of the electric control system, probe into the bridge type hoist to accuse of electrically Repaired the standard operation procedure in system system ......
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The bridge type hoist electric apparatus

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