| 摘要 |
A section of a hemp harvesting machine contains a frame, continuous belts, pressure, tightening, support rollers and driving pulleys which are disposed in the middle part of the section. A mechanism to regulate the distance between a driving pulley and the smooth rollers arranged on two opposite sides of the driving pulley, which comprises a bushing with the internal threading rigidly fixed on the frame, and an adjusting bolt for shifting a slide along a groove together with a pressure roller, screwed therein, is installed into the section.
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