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laurel cable news: what are the items that are inspected during the operation of overhead lines?
from：guichao author：admin click： 510 addtime：2017-06-04 17:37:34
what items do we need to do when we are conducting a tour inspection?
what other aspects should we pay attention to?
today, xiao bian sum up for everyone.
(1) pole: the surface of the rod should not be damaged or tilted;
occurring without tilting or erosion of the cross;
there is no deformation or shortage in the component;
there should be no bird's nest or other debris on the pole.
(2) wires: there should be no traces of broken strands, injuries or burns in the wires;
sag should be consistent;
the wire to ground or cross and the distance from other objects shall comply with its requirements.
(3) insulators: insulators, insulators should not appear cracks, damage, pollution
traces of discharge or severe corona.
(4) cable and closure bar: when overhead cable inspection cable is not slack, should pay attention to
broken strands and corrosion appear; the wire fittings should be complete; the ground anchor should not be loose;
the closure should not happen displacement rod.
(5) switch equipment on the pole: the installation of switch equipment should be firm and free of deformation
breakage and discharge traces; operating mechanism should be flawless and perfect;
the spacing between the leads of each part and the ground shall be strictly in accordance with the regulations.
(6) lightning protection and earthing device: the discharge gap should not appear to be burnt or deformed;
there shall be no cracks, breakage and discharge marks on the surface of the valve arrester porcelain;
the ground lead line should not be broken or broken;
when conducting overhead line inspection and inspection, the connecting parts of the lead line should be firm;
the earthing device should not be exposed because of water erosion and so on.
(7) other works along the line: it should not affect the safe operation of the line,
because operation below the line endangers the safety of the line, it should be stopped;
the surrounding buildings, facilities and numbers should not affect the safe operation of the line.