Lapp Group offers a complete cable trolley system both for flat cables and for round cables.
Spool Winding Trolley
SKTREX Cable Trolley for Electric Hoist Cable,C Track Rail Festoon Cable Trolley System for Electric Crane and Electric Hoist for Unistrut 1-5/8" Wide and All 1-5/8" or Taller Strut Channel 2 PCS: