Voith recently manufactured their 1,000th fluid coupling type TPKL. This coupling will go to the DaTong Coal Mining Group in China. The group has already made good experiences with Voith fluid couplings: Convinced by the good performance of hydrodynamic power transmission the decision for the drive line arrangement in the main belt conveyor of a new coal mine was also made in favor of Voith fluid couplings. In this specific case the mine will receive four fluid couplings type TPKL. The fill-controlled fluid couplings will be used in a 6.4 MW belt conveyor drive with demanding requirements. The 3,160 m (10,367 feet) long underground belt conveyor is driven by four 1,600 kW motors, with a planned capacity of 4,000 t per hour. The belt conveyor is designed for a demanding workload as it will transport coal uphill at a 14° angle.
Voith started the production of the TPKL coupling series in 1997. This fluid coupling type was especially developed for demanding belt conveyor applications in mining. The coupling type provides a torque limitation for a smooth start-up of the belt conveyor. It allows active load sharing with multi-motor drives. Thanks to its standstill cooling function it can handle difficult start-ups multiple times in succession. (Voith/Si)
Voith Turbo GmbH & Co. KG