YZP crane motor by the stator frame, windings and insulation materials, rotor, both ends of the mold bearing and end cover, etc., relatively simple. it has that characteristic of large overload capacity, high mechanical strength, wide speed regulation range, stable operation and the like, and is suitable for the frequency conversion speed regulation transmission systems of hoist machinery and metallurgical auxiliary mechanical equipment which have short-time or intermittent operation, frequent starting and braking, positive and negative rotation, overload and obvious vibration and impact; With high-precision sensor, it can realize high-precision closed-loop operation.
The damage of YZP lifting motor is mostly caused by the daily inspection of maintenance personnel, as long as the daily maintenance is carried out, these unnecessary losses can be avoided. Check the size and change of working current of YZP hoisting motor during daily patrol, and see if there is water leakage and dripping around, which will cause low breakdown of motor insulation and burn out.
It also depends on whether the periphery of the YZP lifting motor has objects that affect its ventilation and heat dissipation environment; Check whether the fan end cover, fan blade and motor exterior are too dirty and need to be cleaned; To ensure its cooling effect. Listen to the operation of YZP lifting motor sound is abnormal, with the help of screwdriver or listening stick and other auxiliary tools, close to the motor at both ends to listen.
If you listen frequently, you can not only find the bad vibration of YZP lifting motor and its driving equipment, but also judge the amount of internal oil, so as to timely add bearing oil or replace new bearing and other corresponding measures. The temperature around the lifting motor with the back mold YZP is generally lower than the temperature of the middle winding section under good conditions. If the overall temperature of YZP hoisting motor is high, check the load, equipment and ventilation of the motor in combination with the working current for corresponding treatment.
When the YZP crane motor stops running, the phase-to-ground or phase-to-phase insulation resistance shall be measured regularly with an insulation meter, and compared with the test results of last month, so as to find the insulation defects in time. If any defect is found, the motor shall be baked with a drying lamp to improve the insulation, so as to avoid the motor being burnt due to the breakdown of the winding due to the low insulation.
