Process for intervention on overhead cables by means of helicopt

Details Process for intervention on overhead cables by means of helicopt Process for intervention on overhead cables by means of helicopt

1992-04-27

1995-12-12

Grant, William

Aeronautics and astronautics

Aircraft structure

Load accommodation

2441374, B64D 112, B64D 122

Patent

active

054742595

ABSTRACT:
The nacelle (2) and the fork (20) permit rapid interventions by helicopter on bundle-type overhead cables (1). The metal nacelle (2) carrying operators and equipment has on its sides (16) fixing hooks (14). The nacelle (2) can be fixed to overhead cables (1) by fixing bars (7) equipped with notches (8). The fork (20) has gripping ends (22) able to grasp the nacelle (2) beneath hooks (14). It is equipped with pyrotechnic bolts allowing jettisoning to take place if it is urgently necessary to lighten the load of the helicopter. Application to the repair and maintenance of overhead cables of the public power distribution network and in particular to the replacement of coupling sleeves.

REFERENCES:
patent: 2764307 (1956-09-01), Kughler
patent: 3248074 (1966-04-01), Cannon
patent: 3863736 (1975-02-01), McWilliams
patent: 4478312 (1984-10-01), Kurtgis
patent: 4542928 (1985-09-01), Fowler, Jr.
patent: 4553719 (1985-11-01), Ott
patent: 4722106 (1988-02-01), Scegiel et al.
patent: 5184929 (1993-02-01), Reynolds
patent: 5221176 (1993-06-01), Allen et al.

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