Problems and maintenance methods of power-on brakes

Currently, electrically operated brakes are used in an important part of five elevators and lifting machinery in metallurgical ships. However, many mechanical equipment currently have few means to monitor braking force and the braking process in real-time, relying only on periodic manual maintenance and adjustment. Therefore, the friction and wear occurring during the use of electrically operated brakes, fatigue of automatic springs, and sudden failures such as large voltage fluctuations cannot be detected or prevented in a timely manner.

　　Currently, people use Electric brake It is an important part of five elevator hoisting machinery used in metallurgical ships. However, many mechanical equipment now have few that can monitor the braking force and braking process at any time, only need manual regular maintenance and adjustment, so the electric brake is used in the process of friction wear, automatic spring fatigue and voltage fluctuations and other sudden failures, can not be timely discovery or even prevention.

       

　　Because the electric brake its working environment is more complex, automatic parts are very easy to damage, often appear electric brake action confusion slow and other failures, usually due to mechanical failure or electrical failure caused, and common mechanical failure phenomenon, there are brake arm can not open, braking force is insufficient, action is too slow, automatic spring adjustment is too tight, can not be timely braking, brake failure, high temperature, smoking, failure and other phenomena. In addition, the electric brake itself also has some problems, such as electric brake, its release and closing time is too short, when closing often produces too much impact force, so it is not smooth enough.

　　As an electrical equipment, whether using DC or AC power supply, it needs a special power supply to control. When the voltage of the power supply fluctuates greatly, its maintenance and control are more complex and difficult to operate the battery. The brake is mainly realized through the movement of the armature, so it has high requirements on the size of the armature gas system, but because this part is relatively small, even less than one millimeter. If improper operation occurs, it is easy to cause failures during operation, resulting in poor reliability and unstable operation of the electric brake. Therefore, in order to ensure the operation of the electric brake, the electric brake is often maintained and maintained. Next, I will talk to you about how to maintain and maintain the electric brake.

　　Often in Electric brake Add lubricant to the movable parts. Regularly check the length of the armature stroke. Because in the operation process of the electric brake, due to the wear of the cutting surface, the length of the armature stroke will increase. When the armature stroke length does not reach the normal value, it needs to be adjusted to restore the gap between the braking surface and the turntable. If the armature stroke length increases to more than the normal value, it may greatly reduce the suction. If the worn braking surface is replaced, the gap between the braking surface and the turntable should be readjusted appropriately. Regularly check the tightness of the bolts, especially tighten the bolts of the electromagnet, the bolts of the electromagnet and the shell, the bolts of the yoke, the bolts of the electromagnet coil and the connecting bolts.