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    • 10. 发明授权
    • Gyratory compactor
    • 回转式压实机
    • US5939642A
    • 1999-08-17
    • US48247
    • 1998-03-25
    • Michael L. KingJohn T. Eagan, Jr.Donald K. McAlister
    • Michael L. KingJohn T. Eagan, Jr.Donald K. McAlister
    • G01N3/00G01N3/02G01N3/08G01N3/32
    • G01N3/08G01N2203/0085G01N2203/0256
    • An apparatus for compacting a material sample, such as paving material, including a cylindrical compaction mold and a mold support arranged to support one end of the mold. The mold support includes a turntable mounted for rotation about a rotational axis and a pair of mold-engaging members, such as rollers, extending from the turntable to engage the mold along its periphery and impart a gyratory motion to the mold as the turntable rotates. A mold retainer is also provided that includes a plurality of mold restraints spaced apart from one another about a central axis and arranged to engage the mold about the mold periphery at the end of the mold opposite the mold support. One of the mold restraints is attached to a movable latch that moves the mold restraint between an open position and a closed position. The open position locates the mold restraint out of engagement with the mold to allow the mold to slide into position inside the compactor apparatus. The closed position moves the mold restraint into contact with the mold and pushes the mold into a tilting position such that the axis of the mold intersects with the axis of the compression at the top of the mold. A compaction ram is mounted for axial movement into the mold along a predetermined axis of compression. As the ram applies compressive force, the turntable is rotated and the attached mold-engaging members impart a gyratory motion to the mold during compression.
    • 一种用于压实材料样品的设备,例如铺路材料,包括圆柱形压实模具和设置成支撑模具的一端的模具支撑件。 模具支撑件包括安装成围绕旋转轴线旋转的转台和从转台延伸的一对模具接合构件(例如辊),以沿着其周边与模具接合,并在转台旋转时向模具施加旋转运动。 还提供了模具保持器,其包括围绕中心轴线彼此间隔开的多个模具约束件,并且被布置成在与模具支撑件相对的模具的端部处围绕模具周边接合模具。 一个模具约束件附接到可移动的闩锁,其将模具约束件在打开位置和关闭位置之间移动。 打开位置使模具限制器脱离与模具的接合,以允许模具滑动到压实机设备内的位置。 关闭位置使模具约束件与模具接触并将模具推入倾斜位置,使得模具的轴线与模具顶部的压缩轴线相交。 安装压实压头以沿预定的压缩轴线轴向移动到模具中。 当压头施加压缩力时,转台旋转,并且附接的模具接合构件在压缩期间向模具施加旋转运动。