Method for laying a catenary and/or a contact wire of an overhea

Details Method for laying a catenary and/or a contact wire of an overhea Method for laying a catenary and/or a contact wire of an overhea

1990-12-03

1992-05-19

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

B65H 5900

Patent

active

051141191

ABSTRACT:
A self-propelled machine for continuously laying an overhead line extending above a track and attached to pylons spaced alongside the track, which comprises machine frame movable along the track in an operating direction, a power-driven, vertically and laterally adjustable work platform mounted on the machine frame for an operator assigned to attaching the overhead line to the pylons, a storage drum mounted on the machine frame, a length of the catenary and/or the contact wire of the overhead line being reeled on the storage drum and the drum being rotatable at a pay-out speed for unreeling the catenary and/or the contact wire, and a drive control for adjusting the moving speed of the machine frame in response to the pay-out speed of the catenary and/or the contact wire. A lifting device is mounted on the machine frame and includes a power-driven, vertically adjustable and laterally pivotal boom, and a support and guide pulley carried by the boom and arranged to support and guide the unreeled catenary and/or contact wire from the storage drum to the operator on the work platform at a constant height determined by the vertical adjustmenmt of the boom and a lateral position determined by the pivoting of the boom, and a device is mounted on the machine frame between the storage drum and the pulley for continuously guiding and tensioning the catenary and/or contact wire, the guiding and tensioning device including a power-driven guide roller guiding the tensioned catenary and/or contact wire to the support and guide pulley, and a drive control for the guide roller.

REFERENCES:
patent: 3244292 (1966-04-01), Elliott
patent: 4213596 (1980-07-01), Inoue et al.
patent: 4728079 (1988-03-01), Nitta et al.
"Japanese Railway Engineering", pp. 23-25, vol. 9, 68 (Catenary Inspection Car . . . ).

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