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The coal crusher is a large-scale industrial equipment, we all know, but all equipment needs careful maintenance. Due to the efficient operation of the coal crusher for a long time, parts and components of the equipment will inevitably have different degrees of wear. Huasheng Ming Heavy Machinery Co., Ltd. as a coal crusher professional should promptly replace the damaged parts and keep the equipment in normal operation. So, how to regularly repair the coal crusher and extend the service life of the equipment?
The steps for regular maintenance of the coal crusher are as follows:
1. Remove the external wiring of the coal crusher motor and mark it. For example, for the asynchronous motor, it should be marked with the corresponding three-phase power line. For the DC motor, the winding and armature should be separately excited. Windings and other markings corresponding to external wiring. Then loosen the screw of the coal block crusher to separate the motor from the transmission machinery.
2. Use a tool to remove the pulley or the coupling on the motor shaft of the coal crusher. Sometimes it is necessary to add some kerosene to the gap between the motor shafts of the pulley to make it permeate and lubricate, and it is easy to disassemble. Some coal crusher shafts and wheels are tightly fitted, and they need to be quickly added to the wheels to remove them.
3. For the coal crusher motor equipped with rolling bearing, the bearing cover should be removed first, then the fastening screws of the end cover should be loosened, and the joint between the end cover and the housing of the base should be marked and removed. Tighten the end cap screws into the special screw holes on the motor end cap and push the end cap out. Without a coal crusher motor with such a screw hole, the end cap can only be removed from the base by tapping the joint between the end cap and the base with a tweezers and a hammer. If the end cap is heavy, use a lifting device to suspend the end cap and remove it gradually.
4. When disassembling the coal block crusher motor with brush, the brush should be removed from the brush and correspond to the DC motor, and the position of the coal crusher electrical brush neutral line should be marked. When extracting the coal crusher rotor, care must be taken not to injure the stator coil. If the weight of the rotor is small, it can be withdrawn by hand. If the weight is heavy, it should be lifted with a lifting device. Lift the rotor shaft with both ends of the rotor shaft and lift the rotor with a lifting device. Remove the rotor slowly and take care to avoid damaging the coil. Then put a steel pipe on one end of the shaft. To prevent the steel pipe from scratching the journal, you can gradually remove the rotor from the steel tube with a thick cardboard. When the center of gravity of the rotor has moved outside the stator, it will be at the rotor shaft end. Underneath a bracket, the wire rope is placed in the middle of the rotor, and the rotor can be completely withdrawn.
Regular periodic overhaul of the coal crusher can effectively reduce the frequency of equipment failures, thereby effectively increasing the working efficiency of the equipment and extending the service life of the equipment. Need to remind everyone that it is necessary to follow the steps, because this area is more professional, you need to ask the technical staff to carry out the personal operation, there is also the timely replacement of worn-out parts can also make the equipment run well and reduce the frequency of failure.
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Typical applications: Membrane treatment technology, chemical pharmacy, mining flotation, biological pharmacy, reactor, etc.