Belt-tensioning device
A tensioning device, belt technology, applied in transmission, belt/chain/gear, transportation and packaging, etc., can solve problems such as stress of large parts, achieve long working life, compensate for pretension loss, and simple parts.
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[0024] figure 1 A belt tensioner suitable for a rock crusher, in particular a cone crusher, is shown. In this case, a drive 10 in the present case as an electric motor is used. The electric motor is usually powered by a generator, which in turn is driven by the rock crusher's internal combustion engine. Alternatively, a direct drive via a switchable clutch is also conceivable. A pulley 12 is fastened in a non-rotatable manner to a transmission shaft 11 of the drive device 10 . The belt tensioner also includes a second pulley 30 coupled to the drive shaft 31 in a rotationally fixed manner. The drive shaft 31 leads to the crushing assembly of the rock crusher. The two pulleys 12 and 30 are coupled to each other by a drive belt 20 . In the present case, a plurality of individual drive belts 20 wound around the two pulleys 12 and 30 respectively are used. A belt tensioner is arranged between the two pulleys 12 and 30 . The belt tensioner here comprises two tension rollers 4...
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