| 摘要 |
A waste fragmenting machine comprising a power feed system comprising a power feed wheel, an angular yoke connected to the power feed wheel and at least one, preferably two, sets of upper and lower linkage arms, the linkage arms being operatively connected with the machine frame and the angular yoke. The upper and lower arms of each set of linkage arms being arranged within the same vertical plane, but in a non-parallel relationship to each other and the upper arm being shorter in length than the lower arm. The linkage arms adjust the position of the power feed wheel to accommodate the size of feed material, thus maintaining a generally constant downward pressure thereon. Raising the power feed wheel under the present invention maintains the proximity between the power feed wheel and fragmenting rotor by moving the power feed wheel laterally in the direction of the rotor, thus promoting fragmenting efficiency by maximizing feed stability and maintaining steady feed rates.
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