outdated? Then learn. So I bought two from the market, dozens of yuan each, to do a pull test. (The standard is to withstand 3 tons of pulling force) When the pulling force is 2.5 tons, there is abnormal sound. When the tension is released, the wire rope cannot be pulled out. After disassembly, it is found that the inner arc of the lock piece is deformed, and the rope clip has traces.Comparison with Jiuchuang gondola safety lock parts
The failure of the safety lock cord is listed as a "fatal failure" in the national standard of the gondola, and the degree of hazard factor is "infinity". Regardless of whether it is a producer or a purchaser, while considering the cost and price, we should also pay attention to quality.