Protective fittings are a type of fittings used for line protection in power fittings. They are key components used for protection in power lines, such as preformed vibration damper,Preformed tie wire and cable fitting pole clamp, which ensure the electrical and mechanical safety of lines in different scenarios. Do you know their specific applications?
Preformed vibration damper are commonly used protective fittings in 10kV, 35kV and above high-voltage overhead lines. Preformed vibration damper are mainly used to suppress the vibration of conductors and ground wires caused by wind, and avoid long-term vibration leading to metal fatigue, broken strands and even broken wires. Preformed vibration damper are mainly used in areas susceptible to strong winds and lines with small conductor diameters or high tension. The selection and installation of preformed vibration damper need to be combined with factors such as wind speed, span, conductor type and terrain, and are usually arranged according to engineering design specifications. The core function is to disperse vibration energy, protect conductors and fittings, and maintain long-term stable operation of the line.
Preformed tie wire is a spirally wound hardware made of aluminum-magnesium-silicon alloy. Preformed tie wire is usually installed at the contact point between the conductor and the suspension wire clamp, tension wire clamp or joint pipe to protect the conductor by enhancing local stiffness and dispersing mechanical stress.Preformed tie wire is to prevent fatigue fracture of the conductor caused by breeze vibration, dancing, short-circuit electric power or installation damage. Preformed tie wire is suitable for conventional wind vibration protection, various climate response and conductor connection and repair.
Cable fitting pole clamp is a high-strength fastening component designed for power, communication and industrial fields. It can firmly fix cables, wires and other equipment on the pole tower to ensure stable and safe operation of the line. Cable fitting pole clamp adopts high-quality materials and scientific structural design, with excellent anti-corrosion, tensile and seismic performance. Cable fitting pole clamp is used for power transmission lines to fix overhead cables on transmission pole towers, withstand external forces such as wind load and ice load, and prevent displacement or falling off; cable fitting pole clamp is usually used for communication network erection and rail transit power supply.
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