In the process of using the electric hoist, the role of the wire rope is mainly to lift the cargo. The wire rope is generally made of GB1102-74 (6*37+1) X-type lifting wire rope, the quality of wire rope and the maintenance are importance to the safety of the electric hoist. The safety of the wire rope can ensure the safe operation of the electric hoist and the personal safety of the operators.Check the wire rope to check from two aspects:First, the overall inspection.Observe whether the wire ropes are arranged neatly. Before lifting the heavy objects, the wire ropes are kept in a vertical sta ...
Crane machine rated load test requirements:The mechanism of the crane machine is normal and there is no rail gnawing. Static stiffness requirements are as follows: A1 ~ A3 level ≤ S / 700; A4 ~ A6 level ≤ S / 800; A7 level ≤ S / 1000. After the test, the crane machine should be free from cracks, loose joints, and structural damage that may affect the performance and safety of the crane machine.Rated load test methodLift the rated load and carry out the lifting and running linkage test. For static stiffness measurement, the trolley is run to the middle of the span, measure the actual arch value ...
1. It is not allowed to simultaneously press two flashlight buttons that move the electric hoist in the opposite direction;2. Wire rope electric hoist must maintain sufficient lubricating oil in use and keep the lubricating oil clean and should not contain impurities and dirt;3. Should use the hard wire brush toclean the wire rope. It is strictly forbidden to directly apply oil to the working wire rope;4. When the wire rope electric hoist is not working, it is not allowed to hang heavy objects in the air to prevent permanent deformation of the parts;5. If find the fault during using, the main ...
Precautions for adding lubricant to crane machine1. Add or replace lubricants on time and according to regulations;2. Add lubricating oil should be added with the lubricating oil of the same grade, different grades can not be mixed;3. When changing oil, use the same lubricating oil or the same grade of oil for washing. If the oil viscosity is high, it can be heated properly and then rinsed;4. Filter filtration is required during refueling;5. The magnet of the oil drain plug should be cleaned;6. After cleaning, need to tighten the oil drain screw plug immediately, and then seal the oil hole wit ...
1. During wire rope electric hoist installation and commissioning, the limiter must be strictly checked for flexibility and reliability. When the hook is raised to the upper limit position, the distance from the hook casing to the drum casing must be greater than 50 mm (10t, 16t, 20t must be greater than 120mm). When the hook is lowered to the lower limit position, it should be ensured that the wire rope safety ring on the reel must be more than 2 turns.2. After the work is completed, the power supply must be cut off.3. The wire rope electric hoist should be operated by the special technical p ...
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