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Yingkou Haige Ante Technology Co., Ltd.
Address: Yingkou Small and Medium-sized Enterprise Park
Contact person: Manager Chen
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. Lifting machine manufacturer
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.
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, overload slipping of triangular belt, bracket self-locking, secondary arm limit screw and tray limit sleeve?
What are the causes of dithering failure of double-column hoist and how to eliminate (1) poor lubrication between roller or slider and guide rail should be lubricated with grease. (2) The inner sleeve and shaft of sprocket are badly lubricated or worn. Grease should be added to lubricate or replace the sleeve. (3) If the contact surface between sprocket and chain is worn or damaged, the sprocket should be replaced. (4) Wheels or sliders are badly worn and should be replaced in time. (5) There is air in the oil cylinder, which is discharged through reciprocating movement for several times. What are the reasons for the automatic drop of hydraulic lifts (1) impurities or wear of steel balls of check valves in pumping stations of hydraulic systems? (2) The solenoid spool on the pump station of the hydraulic system is normally open. (3) The piston seal of the cylinder is damaged and oil comes out at the highest point.
What are the reasons why the double-column and hydraulic lift can't fall down? How to eliminate (1) the blockage of the oil return filter and remove it for cleaning? (2) Blockage of solenoid valve core net, remove and clean. (3) The valve core of the speed regulating valve is stuck with impurities and removed for cleaning. (4) Mechanical insurance is not opened or mechanical obstacles are stuck under the movement. Check the hook spring and remove the card. (5) Oil-deficient lubrication between slider or roller and guide rail or rotating shaft shall be lubricated by grease injection.
The reasons why the lifter can't be lifted are (1) the overload of lifting weights. (2) The adjusting screw of speed regulating valve may be adjusted too small by users or repairmen, so it should be readjusted. (3) Gear pump should be replaced due to the failure of timely replacement of hydraulic medium and wear of gears. (4) If there is mechanical obstruction in the lift column or above the lift, it should be thoroughly inspected.
What are the safety devices of gantry lifts (1) hydraulic system overflow valves, overload protection. (2) Pressure retention of one-way valve. (3) Ultra-high limit travel switch, stop over limit. (4) Mechanical self-locking, synchronous insurance and simultaneous release. (5) Bracket self-locking device. (6) Two-stage arm limit screw. What are the reasons for the slow decline of gantry lifts (1) Hydraulic media exceeding the service life or seriously polluted. (2) Blockage of filter screen at oil return port. (3) The valve core of the speed regulating valve is stuck. (4) There is dirt blockage at the tubing connection.
What are the installation essentials of ordinary four-column lifts (1) Platform corners are in the same horizontal plane. (2) The wire rope is moving correctly and the anti-loosening and decompression plates are complete. (3) Tighten the top of the wire rope with twin nuts. (4) Four safety blocks work at the same time and can be adjusted by the top screw. (5) The control handle is flexible. (6) Firm tubing connection. (7) Correct electrical connection.
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