Driving device for sprocket wheels of chain drives

Details Driving device for sprocket wheels of chain drives Driving device for sprocket wheels of chain drives

2007-10-16

2007-10-16

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S07500D, C299S034070, C198S832000, C074S342000

Reexamination Certificate

active

10930562

ABSTRACT:
A drive system for chain sprockets1of chain drives, more particularly for driving chain scraper conveyors or chain-drawn ploughs for underground mining, with a drive assembly formed of an asynchronous motor and a gear mechanism4, the gear mechanism4being designed as overload gearing and having a controllable multiple-disk clutch for overload equalisation with which the force flow between the asynchronous motor and the chain sprocket can be disconnected. The asynchronous motor comprises a frequency converter motor10and in the drive assembly between the motor shaft and the gear mechanism4a two-gear toothed wheel gear mechanism is arranged as a forward gear mechanism, with a starting gear position and a normal gear position, with which in the starting gear position the breakaway effect required for starting the loaded chain scraper conveyor or for releasing the plough can be attained.

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