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An important part of the crane trolley line indicator is used, but due to the imperfections of the traditional indicator lights, the trolley cable often has electricity, which poses a great safety hazard.
Most of the cranes use multi-stage slewing line, single-stage slewing line, rigid body slick line, and angle iron to provide power. The system's indicator lights are mostly made of ordinary incandescent light bulbs. Due to the defects of incandescent light bulbs, the indicator light can easily burn out. Slip wire has electricity, but the phenomenon of light does not light, it is easy to produce the illusion of no electricity, there are security risks. And frequent replacement will increase business spending.
Now, our company's indicator light overcomes this drawback. It has been promoted and applied in some large and medium-sized enterprises in the country. It is believed that the safety issues of crane trolleys will be more and more important in the near future.
At the same time, in order to effectively ensure the use of the trolley line, it is recommended that the staff must detect the trolley line in peacetime. Check whether the straightness of the track has obvious deviation (more than 20mm), misalignment, whether the insulation protection parts are detached, broken or damaged, whether the stainless steel “v†groove is tilted or not, and whether there are foreign matter and conductive dust on the track. If necessary, check whether the insulation resistance meets the requirements (interphase insulation resistance should be ≥10MΩ).
Talking about the drawbacks of crane trolley line indicator: