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热词
    • 3. 发明授权
    • Apparatus for the axial shifting of a shaft, especially of a
rolling-mill roll
    • 用于轴的轴向移动的装置,特别是轧制辊的轴
    • US4976129A
    • 1990-12-11
    • US203220
    • 1988-06-06
    • Helmut SetzerAxel SprengerJosef Zeppenfeld
    • Helmut SetzerAxel SprengerJosef Zeppenfeld
    • B21B31/18B21B35/14B29C43/24B29C43/58
    • B21B31/18B21B35/141Y10S464/901Y10T403/255Y10T403/7037
    • The apparatus transmits a high shifting force reliably and has a simple and rapid assembly. The axial shifting occurs by a clamping device which is in releasable working connection with the roll stub shaft of a rolling-mill roll or the rotating shaft. The disengageable clamping junction is formed between the clamping device and roll stub shaft shaped to fit together. Especially the clamping device is formed as a compact unit comprising a clamping head with at least one axially precompressed compressible spring which acts on a plurality of clamping disks working as a clamping body. The clamping disks force a radially elastic clamping sleeve to grip the roll stub shaft. The clamping disks are releasable from a clamped position by a hydraulic pressurized medium against the action of the compressible spring. The clamping disks are supported axially on the one side on a portion of a housing of the clamping head and on the other side by an axially slidable hollow cylinder acted on by the compressible spring. The clamping sleeve is provided internally in the vicinity of the clamping disks acting on it with a shape which forms the disengageable clamping junction together with a complementary shape on the roll stub shaft.
    • 该装置可靠地传递高移动力并且具有简单且快速的组装。 轴向移动通过夹紧装置发生,夹紧装置与轧制辊或旋转轴的轧辊短轴可释放地工作连接。 夹紧装置和成形为一体的辊短轴之间形成可脱离夹紧结。 特别地,夹紧装置形成为紧凑的单元,其包括具有至少一个轴向预压缩的可压缩弹簧的夹紧头,所述可压缩弹簧作用在用作夹紧主体的多个夹紧盘上。 夹紧盘片迫使径向弹性夹紧套筒夹紧辊筒短轴。 夹紧盘可通过液压加压介质从夹紧位置释放,抵抗可压缩弹簧的作用。 夹紧盘在一侧的轴向上支撑在夹紧头的壳体的一部分上,另一侧由可压缩弹簧作用的可轴向滑动的中空圆筒支撑。 夹紧套筒内部设置在作用在其上的夹紧盘的附近,其形状与辊短轴上的互补形状一起形成可脱离的夹紧接合部。