Radio-controlled skyline carriage

Details Radio-controlled skyline carriage Radio-controlled skyline carriage

B - Operations, Transporting

66

C

212/43

B66C 21/02 (2006.01) B66C 21/00 (2006.01)

Patent

CA 1217455

RADIO-CONTROLLED SKYLINE CARRIAGE Abstract A carriage for moving logs along a suspended skyline includes a pair of skyline wheels which rotate as the carriage moves along the skyline to drive a pair of alternately operating pumps which supply hydraulic pressure to a carriage hydraulic system. A first larger pump operates as the carriage moves uphill, while a second smaller pump operates when the carriage moves downhill. The carriage hydraulic system powers a driven hydraulic sheave and pressure roller for paying out a mainline. A skyline clamp is applied by a hydraulic ram and includes cammed surfaces which ride over a roller to ensure that the carriage will remain clamped to the skyline should the ram lose hydraulic pressure.

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