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General Knowledge of Lift Maintenance-Mother-Child Lift

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General Knowledge of Lift Maintenance-Mother-Child Lift

Date of release:2018-09-14 Author: Click:

The daily inspection of lifts has the following points: 1. The normal maintenance of lifts manufacturer must be carried out by operators every three months. If users use them frequently or in harsh environments, the maintenance time of lifts manufacturer should be shortened according to the specific conditions. 2. During daily operation, it is necessary to check whether the safety device is sensitive and effective, whether the hydraulic system is leaking, whether the oil is sufficient, and grease the column guide rail. 3. Check whether the main and auxiliary hooks are sensitive and reliable.

Lift routine inspection has the following points: 1. Conventional maintenance must be carried out every three months by the operator. If users use it frequently or in harsh environments, users will shorten the maintenance time accordingly according to the specific situation. 2. During daily operation, it is necessary to check whether the safety device is sensitive and effective, whether the hydraulic system is leaking, whether the oil is sufficient, and grease the column guide rail. 3. Check whether the main and auxiliary hooks are sensitive and reliable. 4. Check whether the synchronous wire rope is loose. If it is loose, please tense and fix it. 5. Check the amount of oil in the tank and make up for the hydraulic oil. 6. Clean the hydraulic system. 7. Hydraulic oil is replaced once a year (three months for the first time). When replacing hydraulic oil, reduce the lift to the lowest position. The hydraulic oil should not have any pressure (zero pressure). There is no load on the lift. Add N46 anti-wear hydraulic oil. Waste oil treatment must be carried out in accordance with local environmental protection regulations. 8. Clean the oil stains and burrs on the guide rail of the column, check whether the slider is worn seriously, and replace it in time.


Mother and child lifting machine


Duration of replacement for main vulnerable parts of double-column and gantry lifts (1) Hydraulic oil: initial use for 3 months, and then every other year. (2) Chains: 3 years or when there are signs of damage to chains and pins. (3) The opening pin of chain pin and the fixed nut of connecting shaft of chain end joint should be repaired in time when loosening. (4) The normal service and replacement period of the seal at the tubing connection is two years. If damage is found, the seal should be replaced in time. (5) Cylinder seals for 2 years. (6) Spring 2 years, safety hook 3 years, tray rubber pad damage should be timely repaired. (7) Sprockets, sprockets, axles and sleeves for 3 years. (8) The slider is normally used for 3 years. (9) The synchronous wire rope must be replaced if it breaks 10 or more wires for more than 2 years.


The main causes of screaming in double-column lifts are: (1) serious wear of slider or poor lubrication. (2) The screw is deformed due to abnormal use, which makes the motion of screw nut shake. (3) Nut wear is serious. (4) What are the safety devices of double-pillar lifts with impurities in guideway working face, including upper and lower limit travel switches, safety nuts, synchronous safety devices, triangular overload slipping, bracket self-locking, secondary arm limit screw and tray limit?


The address of this article:http://en.hygiant.com/news/373.html

Key word:Liftingmachinesales,Builderofliftingmechanism,PriceofHydraulicDouble-columnLifter

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