Pipelayer

Details Pipelayer Pipelayer

2005-05-17

2005-05-17

Lee, Jong-Suk (Department: 3673)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Cast in situ

C405S184100, C212S261000, C212S289000, C414S686000

Reexamination Certificate

active

06893189

ABSTRACT:
A pipelayer is provided which is capable of effectively transporting pipes or the like and stably carrying out load hoisting operation on a slope. The pipelayer comprises: an undercarriage; an upper revolving superstructure mounted on the undercarriage so as to turn around freely upon the undercarriage; a boom supported by the upper revolving superstructure so as to be freely raised and lowered; a pulley block attached to the boom through a universal joint; a hoist mounted on the upper revolving superstructure; a hoist hook hung by a wire rope that is paid out from the hoist and wound around the pulley block.

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