| 摘要 |
<p>A gyratory compaction apparatus (10) for creating compression and shear forces in a sample material, the apparatus (10) using a single roller (118) to accomplish the gyration comprising a hollow cylinder mold (14) including first and second end plates (42, 44) in slidable engagement with the mold (14) at respective first and second open ends (38, 40), with a chamber inside the mold (14) for receiving the sample material (S), a support frame (12) having an interior suitable for receiving the mold (14) therein, a compression mechanism (20) for compressing the sample material (S) and a gyratory assembly (26) comprising a rotational drive motor (22) having a drive shaft (64) aligned along the longitudinal axis of the support frame (12) interior, a cam (80) mounted at the end of the drive shaft (64), a gyratory plate (90) having an inner housing (92) for encompassing and operably engaging the cam (80) including a spring biased plunger (100) operably engaging the cam (80) and a first outer angular contact bearing (118) for operably engaging the mold inner surface (35) and a driven plate (124) operably mounted to the support frame (12).</p> |
