Perhaps you are often exposed to aerial vehicles and are familiar with aerial vehicles. You are more proficient in maneuvering high-altitude vehicles. You think that you already know well about aerial vehicles, but Xiao Bian still advises you at the risk of being thrown eggs. : Operational norms, you should look at ... ... ah, ah, ah, who put stones in the egg, really black heart business! ! !
First of all, we understand the concept of live working in aerial vehicles . It refers to the use of insulated operating poles such as potentials, water flushing, and other operating methods on live equipment. Insulation must also be used in aerial vehicles to prevent thunderstorms from working at heights.
The live working of high-altitude vehicles can be implemented by insulation and using insulated tools. In general, the indirect operation method is a working method in which insulating tools are used as main insulation and insulated wear is used as auxiliary insulation. This method of operation refers to a method in which an operator maintains a sufficient safety distance from a charged body and performs work with an insulating tool. Each part of the human body is kept away from the live body and the grounding body by insulating protective equipment (insulating gloves, insulating clothes, insulating boots), and the human body is not at ground potential.
The operation methods of aerial vehicles include direct operation method, pole-on-insulation tool operation method, insulation platform operation method, and insulation bucket arm vehicle operation method. Here's a brief introduction to these four methods.
1. The direct operation method is a method in which a worker directly accesses a charged body by means of an insulating arm or an insulating ladder of a high-altitude operation vehicle, and a direct operation method of wearing an insulating protective tool is applied to various parts of the human body.
2. Insulation tools on poles Workers rode the rods to the appropriate positions by means of a pole-docking device (stitch, etc.), fasten the seat belts, maintain a safe distance that is compatible with the system voltage, and then apply the end with different tool accessories. Insulated rods for operation. The on-site monitoring and management personnel shall mainly monitor the safety distance between the human body and the charged body and the minimum effective length of the insulation tool. Before the operation, the electrical insulation strength and mechanical strength of the tool used shall be strictly checked.
3. Insulation platform operation method is usually composed of insulated joists, monopod ladders, insulated bodies, etc. Operators can work with indirect methods through insulated tools, and can also work directly with insulated gloves. The insulation platform acts as the main insulation between the grounds. Regardless of whether it is an indirect method or a direct operation method, in general, prior to carrying out work on the phase to be overhauled, insulation shields and isolators should be used to shield or isolate adjacent phase electrified bodies. At the same time, operators should wear a full set of insulated protective equipment. When working directly through insulated gloves, rubber insulated gloves should be covered with protective gloves that are worn or punctured. (This operating method is equipped with more appliances and it feels professional! In short, it should be insulated before starting work!)
4. Working method of insulated bucket arm car The insulated bucket car is used for live working, which has the advantages of convenient lift, strong maneuverability, large operating range, high mechanical strength, and good electrical insulation performance. The insulation arm of the insulation bucket armor is made of glass fiber reinforced epoxy resin and wound into a cylindrical or rectangular cross-section structure. It has the advantages of light weight, high mechanical strength, good insulation properties, strong hydrophobicity, etc. Provides relative insulation protection for the human body. (Text / Chen Guotu)
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