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Electric hoists represent their own machinery, strength, and toughness, while the stage is elegant, flowing, and soft, with conflicts and collisions between the two.
Safety inspection of steel wire ropesSafety inspection site
Category : V7 Stage Electric Series
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Safety inspection of steel wire ropes
Safety inspection site
1. General inspection: ① The beginning and end of the wire rope movement and fixation; ② Any part of the steel wire rope that passes through the pulley block or bypasses the pulley block, especially when loaded; ③ The rope section of the balance pulley, the rope section that may cause wear and tear to a certain part of the machinery, and the rope section with corrosion and fatigue.
2. Check the end of the rope. The safety and reliability of the fixed connection part of the rope end are very important for the safety of lifting machinery. The rope end part should undergo the following safety inspections: ① The section of steel wire rope led out from the fixed end should be inspected, because fatigue breakage or corrosion in this part is extremely dangerous; ② The deformation or wear of the fixed device itself should also be inspected; ③ For rope end fixing devices using pressed or forged rope clamps, it is necessary to check for cracks and the possibility of sliding between the rope clamp and the steel wire rope; ④ Check the broken wires and corrosion inside the detachable cherry blossom shaped joints, rope clamps, pressure plates, and other devices at the rope end, to ensure the reliability of fixing the rope end; 5. Check if there are any protruding steel wires at the tail end of the looped socket type rope head that may cause hand injuries. If there is obvious wire breakage or corrosion near the rope end fixing device or inside the rope end fixing device, the steel wire rope can be shortened and reinstalled on the rope end fixing device, and the length of the steel wire rope should meet the minimum requirement of two turns wrapped on the drum.
3. Safety inspection content: The main factors causing damage to the steel wire rope include: ① fatigue wire breakage caused by repeated bending and stretching during the operation of the steel wire rope; ② Wear and damage caused by repeated friction between the steel wire rope and the drum and pulley; ③ Wear and damage of steel wires caused by mutual friction between strands and steel wires in steel wire ropes; ④ Damage caused by environmental pollution and corrosion of steel wires; Trauma and deformation caused by mechanical damage to steel wire ropes. Therefore, the focus of wire rope safety inspection should be on the number of fatigue broken wires, wear, corrosion status, degree of external injury and deformation, as well as various abnormalities and hidden dangers
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