| 摘要 |
The supporting roller set (10) having a plurality of axles which are connected to one another in an articulated manner, is connected via its respectively outer axle to the piston (5) of a hydraulic cylinder (3) which, in turn, is connected to a hydraulic accumulator (18). At the same time, the hydraulic cylinders (3) of a plurality of supporting roller sets (10) can be connected to a common hydraulic accumulator (18). Furthermore, a plurality of hydraulic accumulators (18, 18') with different pretensions can be present at the feed point of a conveyor belt. <IMAGE>
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