Hoisting winch for elevating equipment

Details Hoisting winch for elevating equipment Hoisting winch for elevating equipment

B - Operations, Transporting

66

D

B66D 1/12 (2006.01) B66C 13/22 (2006.01) B66C 13/40 (2006.01) B66D 1/14 (2006.01)

Patent

CA 2661774

The present invention relates to a winch for elevating plant, in particular cranes, cable-operated excavators and similar construction machinery, comprising a hoisting drum, an electric motor for the drive of the hoisting drum which is received in the interior of the hoisting drum as well as power electronics and/or control electronics for the electric motor comprising at least one frequency inverter and/or frequency converter. In accordance with the invention, the power electronics and/or control electronics for the electric motor are received at least partly in the interior of the hoisting drum. Not only short cabling distances are hereby achieved; interference emissions with negative effects on the electromagnetic compatibility are avoided; and voltage overshoots impairing the service life of the inverter and the motor are reduced, but also a particularly compact construction of the winch is achieved.

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