| 摘要 |
This invention relates to a traction winch for a cable (8) or the like, said winch comprising a winch frame, at least two sheave assemblies (10,11) each having at least a first sheave (4) and a second sheave (5), each sheave having a single circumferential friction surface (104,105) for the cable (8). The winch further comprises at least two rotatable driveshafts, joumalled in the winch frame in a side-by-side arrangement, each drive shaft (3) being associated with a sheave assembly (10,11), and at least one motor for driving the driveshafts (3). The winch according to the invention comprises a differential assembly being provided between each driveshaft (3) and sheave assembly (10,11) so as to allow for different rotational speeds of the sheaves (4,5) during operation of the traction winch due to cable elongation.
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