H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 17/44 (2006.01) H01B 17/00 (2006.01) H01B 17/04 (2006.01)
Patent
CA 2566968
The invention concerns a device of a guard-ring type or similar, for the protection from the effects of the electric field, of the metal parts of chains of insulators of already mounted and operational high-voltage transmission lines. It consists of: a fastening/support plate (10); anchoring means (11, 12), to anchor said plate (10) to the suspension yoke of the conductors of the transmission line, said anchoring means (11, 12) being mounted adjustable on said plate (10) according to at least two degrees of freedom; and at least one guard ring (13), which may be anchored on said fastening/support plate (10) by way of stable fastening means (18, 19, 20). The fastening/support plate (10) has an upturned-U cross-section and the upper surface (10a) thereof is formed by geometrically coupling with the lower surface of said suspension yoke. The anchoring means consist of a pair of arms (11, 12), mounted articulated on said fastening/support plate (10); such articulation comprises, for each arm (11, 12), a pin (14) having a horizontal axis, mounted pivotable within seats formed in the fastening/support plate (10) perpendicularly to the longitudinal axis thereof, and a pair of holes which run through said pin (14) perpendicularly to the axis thereof. Each of the arms (11, 12) is mounted slidingly adjustable within said holes and pivotable together with said pin (14).
A. Salvi & C. S.p.a.
Fetherstonhaugh & Co.
LandOfFree
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