Guy insulator is a kind of special insulation control, which plays an important role in overhead transmission line.Used for power frequency AC or DC overhead power lines, pole pulling wire or wire tensioning and for insulation.
The main function of the stay insulator is to balance the force of all aspects of the pole, resist wind pressure and prevent the pole from falling and the stay line from being charged. In principle, all the stay lines in the transmission line should be equipped with stay insulators.
Installation Instruction- Above
When fixed poles run across or near live lines, they must be set for safety
The cable insulator, and the distance between the cable and the ground should be kept at least 2.5m, so as to prevent the accidental injury of the cable.While providing some electrical insulation, the cable insulator must also ensure the run's tensile mechanical strength.Currently in use of the large size of cord with existing stay insulator, fracture occur frequently, the reason is that the steel hinge line insulator installation space the circular arc of the bending is impossible and existing stay insulator installation arc perfectly, once the pull force, can produce stress concentration in the ends of the arc, with great tension and tiny force applied to stay insulator in area, the insulator to crush.At present, porcelain suspension insulators are usually used. Due to the low tensile strength of porcelain suspension insulators, the metal wiring structure is not convenient to connect, and the external body of porcelain plate has poor pollution resistance and often breaks, which brings a lot of inconvenience to the installation and maintenance of power cable.
Technical Data
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