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Release time: 17:01, May 27, 2020

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When the explosion-proof hoisting winch is used, the main motor is started. The motor rotates through a high-speed coupling to transfer power to the high-speed shaft of the reducer. After the two-stage gearbox is decelerated, the driven shaft of the reducer passes through the coupling. For spindle equipment. If the direction of the electric motor is constantly changed, the reel may be entangled or loose, and the lifting container can be moved up and down the wellbore regularly.
 
   Explosion proof hoist The normal operation of disc brake directly affects the safety and stability of mine production. Therefore, it is necessary to understand the performance of disc brake, the possible faults in the use process and the troubleshooting methods before use, and strengthen the hydraulic oil. The selection of hydraulic oil filter and its correct use and management are very important to improve the stability and reliability of the brake system of explosion-proof hoist. That is, the disc brake caused by maintenance is not correct, resulting in the correct maintenance of the disc brake.
 
(1) check bolts, pins, nuts, washers, etc. In case of looseness or falling off, please tighten and complete in time.
 
(2) check whether the signal device and motor operation button are in good condition without explosion, and whether the signal is clear and bright. Otherwise, it should be repaired or replaced.
 
(3) check whether the drum is damaged or damaged, whether the wire rope head is firmly fixed, whether the bearing is leaking oil, and whether the wire rope is arranged in order. If there is any problem, it should be handled in time.
 
(4) check whether the brake is cracked, whether the wear exceeds the limit (the thickness should not be less than 3mm), whether the fastening bolt, front fork, brake, pin, etc. are damaged or deformed, and whether the rear seat is damaged or damaged. The fastening nut should be adjusted and tightened for looseness.
 
(5) check whether the brake lever and control lever system are flexible. After the brake is applied, the brake lever is in the horizontal position and should be slightly inclined upward compared with the horizontal position.
 
(6) check whether the top column and mast of the fixed winch are firm, whether the anchor bolts or anchor bolts are loose, and whether the base is cracked. If there is any problem, it should be dealt with in time.
 
(7) check whether the motor starts normally without load, whether the grounding is good, and whether the electrical equipment such as the starter meets the explosion-proof and integrity requirements.
 
(8) check whether the temperature of bearing and motor, switch, cable and brake band is too high. If problems are found, find out the causes and take measures.
 
(9) wipe the winch frequently to remove dust and debris, and keep the surrounding environment clean.

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