Technology makes production safer.
Practicing Safety Guarding-Baikete Safety Service Observation
Release time:
2022-11-12
According to Article 399 of "Coal Mine Safety Regulations", "the difference between the tension of any hoisting wire rope and the average tension shall not exceed 10%", otherwise, rope groove turning maintenance shall be carried out to restore the safety value. The drum rope groove of multi-rope friction hoist will gradually increase the diameter error due to long-term operation, which directly affects the tension balance of the wire rope. This problem is also a key factor affecting the service life of the rope groove liner and the safe operation of the hoist, and it is also the key to the daily safety maintenance of the friction hoist. Rope groove turning maintenance has the following important role Recently, Baikert was invited to a coal mine in Shandong to carry out rope groove turning and maintenance work. The mine uses JKM2.8 * 6 hoist with a running time of 6 years and uses 100 kt K25 high-performance friction liner. After on-site inspection, Baikert technicians found that the 2#, 5#, 6# rope oil cylinders were killed, the lifting cage deflected to one side, the tank ears scratched the pipe wood and other series of problems, the on-site conditions have seriously threatened the transportation safety. The measurement of each rope groove shows that 1#-6# ropes are 91.3, 90.86, 92.14, 92.12, 92.4 and 91.9 respectively. Many rope grooves have dangerous values of wear defects, and turning maintenance operations shall be carried out immediately to restore the safe values. After turning, the technician will lift the cage to the wellhead platform, level the oil cylinder and mark the position, and run at the maintenance speed. When the tank channel reaches the bottom of the well, the measurement of the oil cylinder stroke shows that the maximum deviation is about 200mm. On-the-spot inspection of the tank ear, the gap between the two sides of the pipeline wood is restored, and the problem before turning is obviously improved. After turning, the rope groove measurement shows that 1#-6# are 92.88, 93, 93.04, 93.02, 92.96 and 92.82 respectively. After 8 hours of operation, the stroke of the oil cylinder disappeared, which solved the problem of too small gap between the tank ear and the two sides of the tank road wood, and effectively guaranteed the safe operation of the hoist. Beckett is committed to multiple measures to solve the problem of wire rope safety. At present, through the data collected by the tension difference monitoring system, effective and accurate turning by turning robot is an important part to ensure the safety of wire rope, and it is also an important technological achievement of Baikete to promote intelligent safety innovation. Technological innovation has always been on the road, and guarding the safety of wire ropes is the eternal responsibility of 100 ketol.
According to Article 399 of "Coal Mine Safety Regulations", "the difference between the tension of any hoisting wire rope and the average tension shall not exceed 10%", otherwise, rope groove turning maintenance shall be carried out to restore the safety value.
The drum rope groove of multi-rope friction hoist will gradually increase the diameter error due to long-term operation, which directly affects the tension balance of the wire rope. This problem is also a key factor affecting the service life of the rope groove liner and the safe operation of the hoist, and it is also the key to the daily safety maintenance of the friction hoist.
Rope groove turning maintenance has the following important role
Recently, Baikert was invited to a coal mine in Shandong to carry out rope groove turning and maintenance work. The mine uses JKM2.8 * 6 hoist with a running time of 6 years and uses 100 kt K25 high-performance friction liner.
After on-site inspection, Baikert technicians found that the 2#, 5#, 6# rope oil cylinders were killed, the lifting cage deflected to one side, the tank ears scratched the pipe wood and other series of problems, the on-site conditions have seriously threatened the transportation safety. The measurement of each rope groove shows that 1#-6# ropes are 91.3, 90.86, 92.14, 92.12, 92.4 and 91.9 respectively. Many rope grooves have dangerous values of wear defects, and turning maintenance operations shall be carried out immediately to restore the safe values.
After turning, the technician will lift the cage to the wellhead platform, level the oil cylinder and mark the position, and run at the maintenance speed. When the tank channel reaches the bottom of the well, the measurement of the oil cylinder stroke shows that the maximum deviation is about 200mm. On-the-spot inspection of the tank ear, the gap between the two sides of the pipeline wood is restored, and the problem before turning is obviously improved. After turning, the rope groove measurement shows that 1#-6# are 92.88, 93, 93.04, 93.02, 92.96 and 92.82 respectively.
After 8 hours of operation, the stroke of the oil cylinder disappeared, which solved the problem of too small gap between the tank ear and the two sides of the tank road wood, and effectively guaranteed the safe operation of the hoist.
Beckett is committed to multiple measures to solve the problem of wire rope safety. At present, through the data collected by the tension difference monitoring system, effective and accurate turning by turning robot is an important part to ensure the safety of wire rope, and it is also an important technological achievement of Baikete to promote intelligent safety innovation. Technological innovation has always been on the road, and guarding the safety of wire ropes is the eternal responsibility of 100 ketol.
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