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Daily Inspection Points and Maintenance Guidelines for Wet Spray Machine Boom Wire Ropes
Release time:
2026-01-12
Source:
Author:
Summary:
The steel wire rope of the wet spray machine’s boom is a critical load-bearing component for the safe operation of the equipment; its condition directly affects construction safety and operational efficiency. Regular, standardized daily inspections can promptly detect potential hazards such as wear and broken wires, thereby preventing wire rope breakage accidents. This article will systematically introduce the inspection standards for steel wire ropes, common issues, and maintenance methods.
1. Daily inspection items for steel wire ropes
(1) Visual Inspection
Wire breakage inspection: Focus on observing whether there are any broken wires on the surface of the rope strands. If the number of broken wires within a length equal to six times the rope diameter exceeds three, the rope must be replaced.
Wear Inspection: Measure the diameter wear. If the wear exceeds 7% of the nominal diameter, replace the part immediately.
Deformation Inspection: Check for plastic deformations such as kinks, crushing, and bending.
(2) Lubrication Condition Check: Verify whether the grease on the surface of the steel wire rope is evenly distributed; observe whether there are any signs of dryness or rust; and check whether the rope core remains oil-soaked.
(3) End-connection inspection: Check whether the rope clips and wedge joints are loose; observe whether there is any slippage at the fixed end; and verify the proper fit between the pulley groove and the steel wire rope.
2. Key inspection areas
1. Frequently bent sections: Rope segments near the boom hinge points
2. Contact areas with pulleys: All contact surfaces of guiding pulleys
3. Fixed positions at the ends: wedge sleeves, rope clamp fixing points
4. Frequently rubbed areas: Rope segments in contact with structural components
3. Inspection Tools and Methods
| Inspection Item | Tools Used | Inspection Criteria |
| Diameter Measurement | Dial Caliper | Wear ≤ 7% of Nominal Diameter |
| Broken Wire Inspection | Magnifying Glass | ≤3 broken wires within a 6d length |
| Lubrication Check | Wipe with White Cloth | No Exposed Metal, No Rust |
| Deformation Inspection | Visual Inspection + Ruler | No Visible Plastic Deformation |
4. Troubleshooting: Handling Common Issues
(1) Wire breakage issue
Local wire breakage: Mark it clearly and increase monitoring.
Concentrated wire breakage: Replace with a new rope immediately.
Rope strand breakage: Use must be immediately discontinued.
(2) Wear issues
Uniform wear: Record the amount of wear and replace if it exceeds the limit.
Unilateral wear: Check pulley alignment.
Indentation wear: Check for overload conditions.
(3) Corrosion issues
Surface rust: Enhance lubrication
Pitting corrosion: Monitor closely
Extensive rusting: Replace immediately.
5. Key Maintenance and Care Points
1. Regular lubrication: Replenish grease before each shift’s operation; use a dedicated wire rope lubricant; pay special attention to lubricating the bending sections.
2. Proper usage: Avoid overloading; prevent impact loads; do not drag or allow friction.
3. Storage requirements: The winding diameter shall be ≥ 20 times the rope diameter; keep the rope lubricated during storage; avoid storing in humid environments.
6. Replace the standard
The following situations require immediate replacement:
1. Measured diameter reduced by ≥7% of the nominal diameter
2. The number of broken wires within one twist pitch ≥ 10% of the total number of wires.
3. Complete fracture of the entire strand
4. Severe rusting affects strength.
5. Obvious plastic deformation
7. Inspection record requirements: Establish a daily inspection logbook; record the progression of wear and broken wires; keep records of replacements and repairs; and promptly report any abnormal conditions.
8. Safety Precautions
1. The machine must be stopped and the boom locked during inspection.
2. Do not touch the running steel wire rope directly with your hands.
3. Any identified hazards must be immediately disabled.
4. Replacement work must be performed by qualified personnel.
9. Conclusion
Daily inspections of the wet spray machine boom’s steel wire ropes should focus on broken wires, wear, and lubrication condition. A standardized inspection procedure and maintenance system should be established. Recommendations: Conduct visual inspections before each shift; perform detailed measurements weekly; address any abnormalities immediately; and strictly adhere to replacement criteria.
Through scientific inspection and maintenance, steel wire ropes can always be kept in excellent condition, ensuring the safe and reliable operation of wet spray machines, extending their service life, and reducing construction risks.
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Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
Loudi Base:Hunan Haoda Heavy Industry Technology Co., Ltd.
Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
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