The H-type safety wire is composed of rails, sheaths, current collectors, hangers, connectors, clips, and end caps. If necessary, some other accessories can be configured. Here are some of the major ones.
(1) Guide rail and sheath guide rail: It is made of aluminum alloy material and is embedded with "V" shaped stainless steel tank to ensure the wear resistance and stability of the collector brush and good contact with the guide rail.
Sheath: The material is engineering plastics, with wear resistance, anti-aging and flame retardant, can be well insulated guide rail.
(2) The current collector adopts a support structure. Its role is to supply power to mobile devices. It is mainly composed of special carbon brushes, terminal posts, plastic shields, and support arms. If the equipment is to be overhauled, the collector should be powered off to ensure safety.
(3) The connector is mainly used to connect the ends of the rails, and the interior includes the pressure plate, bolts, etc. The outer shell is made of engineering plastics, and the ports are left on the outer shell, and lead wires can be introduced.
(4) Hangers, holders, and end cap hangers: They are mainly used for hoisting trolley rails. The material is engineering plastics.
Fixer: It is mainly used to fix the guide rail guide rail. When the guide rail is telescopic, it can guide the guide rail to extend to both sides of the fixture.
End cover: generally at both ends of the rail, play a role in insulation protection.
Finally, Xiao Bian introduced the maintenance of the H-type safety wire.
The maintenance of the H-type safety wire is:
(1) The current collector should avoid collision, stepping, etc. In the same phase, if a dual current collector is used, attention should be paid to the situation where no phase short circuit occurs.
(2) The wear condition of the carbon brush of the collector should be checked regularly. If it is seriously worn, it should be replaced in a timely manner. When replacing, be careful to disconnect the power first to prevent danger.
(3) The springs in the current collector should be checked for fatigue, insufficient elasticity, and replaced if necessary.
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