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How to do maintenance work of mine hoist

Time: July 27, 2020 15:09:06 source: Internet ; click: 706 times
mine hoist In addition to the mine equipment itself, the use of mine equipment will not delay the use of some problems, but the mine will not delay the use of mine maintenance methods How to do it!
The operating environment should always be monotonous, the motor surface should be clean, and the air inlet should not be obstructed by dust and fiber. When the thermal protection of the motor continuously acts, it is necessary to find out that the fault comes from the overload of the motor or the setting value of the protection equipment is too low. After removing the defects, the motor can be put into operation.

The motor shall be lubricated during operation. The general motor works for about 5000 hours, that is, the grease should be compensated or replaced. When the bearing is overheated or the lubrication degenerates, the hydraulic pressure should change the grease in time. When replacing the grease, the old lubricating oil should be removed, and the oil groove of bearing and bearing cover should be cleaned with gasoline, and then fill 1 / 2 and 2 / 3 of the cavity between the inner and outer rings of the bearing with zl-3 lithium grease.

When the service life of the bearing is over, the vibration and noise of the motor will be obviously large. When the radial clearance of the bearing reaches the following value, the bearing should be replaced. When the motor is disassembled, the rotor can be taken out from the extended or non extended end of the shaft. Assuming that there is no need to remove the fan, it is still more convenient to take out the rotor from the non shaft extension end. When pulling out the rotor from the stator, the stator winding or insulation should be prevented from being damaged.
When replacing the winding, it is necessary to record the method, standard, number of turns, wire gauge, etc. of the original winding. When these data are lost, they should be obtained from the manufacturer, and the original planned winding can be changed at will. As a result, one or several functions of the motor will deteriorate or even cannot be used.

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eighteen billion two hundred and thirty-nine million two hundred and eighteen thousand one hundred and eighty-eight

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Address: intersection of Heqi Avenue and Weishi Road, Qibin District, Hebi City

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