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    • 38. 发明授权
    • Semi-automatic valve tool
    • 半自动阀门工具
    • US4622873A
    • 1986-11-18
    • US746189
    • 1985-06-18
    • Stanley P. Przybylski, Sr.
    • Stanley P. Przybylski, Sr.
    • B23B3/26B23Q9/00B23B5/06
    • B23Q9/0021B23B3/265Y10S408/709Y10T408/6779Y10T82/2541
    • An apparatus for performing various machining operations on the interior surface areas of a large steam valve or the like which includes a value seat ring with a valve seat thereon secured to a valve seat ring step interiorly of the valve body. The apparatus includes a support plate fixedly secured to the open end of the valve body, a drive tube rotatably and axially supported from the support plate, a spider assembly mounted on the inner end of the drive tube and including radially expandable and retractable jaws or centering members for engaging the interior of the valve body to stabilize and support the rotatable drive tube and orient the drive tube concentric with the valve seat or other interior surface areas to be machined. Axial movement of the drive tube is obtained by a lockable rack gear and pinion gear assembly while rotation of the drive tube is accomplished by a worm gear drive arrangement mounted on the support plate and engaged with a bushing connected to the drive tube. The inner end of the drive tube includes a tool assembly including a cross-slide feed, a slide and tool adapter with the slide feed being finely adjustable from the outer end of the drive tube and the axial position of the tool adapter and tool also being finely adjusted from externally of the drive tube at the outer end thereof thereby providing both a rough axial adjustment, a fine axial adjustment and a fine lateral or radial adjustment of the tool adapter and tool so that the tool can be moved in a circular path having a center coincident with the center of the valve body.
    • 一种用于在大型蒸气阀等的内表面区域进行各种加工操作的装置,其包括具有阀座的值座圈,其固定在阀体内部的阀座环台阶上。 该装置包括固定在阀体的开口端的支撑板,从支撑板可旋转和轴向支撑的驱动管,安装在驱动管的内端上并包括径向可伸缩的夹爪或定心 用于接合阀体内部的构件,以稳定和支撑可旋转的驱动管,并使驱动管与阀座或其它要加工的内表面区域同心。 驱动管的轴向运动通过可锁定的齿条和小齿轮组件获得,同时驱动管的旋转由安装在支撑板上并与连接到驱动管的衬套接合的蜗轮传动装置来实现。 驱动管的内端包括一个工具组件,该工具组件包括一个十字滑动进给装置,一个滑块和工具适配器,其中滑动进给器可从驱动管的外端微调并且工具适配器和工具的轴向位置也是 在驱动管的外端从外部精细调节,从而提供粗略的轴向调节,精细的轴向调节和工具适配器和工具的精细横向或径向调节,使得工具能够以具有 一个与阀体中心重合的中心。
    • 39. 发明授权
    • Pressure medium driven machine tool
    • 压力介质驱动机床
    • US4566849A
    • 1986-01-28
    • US557284
    • 1983-10-21
    • Claes H. Flink
    • Claes H. Flink
    • B23B5/06A61C1/05B23B45/04B23Q5/06B24B47/14F01D15/06
    • A61C1/05B23Q5/06B24B47/14F01D15/067Y10S415/904
    • Machine tool having a jet turbine driving a rotatable spindle with a tool holder, said spindle is comprised in a spindle housing, said jet turbine consisting of a disc-shaped turbine rotor being closely enclosed by a turbine housing, said turbine rotor having peripherally arranged discrete recesses, each recess having a concave front actuation wall for the jet and one sidewardly arranged outlet opening which opens in the axial direction of the rotor, said housing having at least one inlet nozzle for the jet directed into the recesses and having at least one outlet opening for the spent jet medium. Known machine tools suffer under strong speed losses when the load increases or varies. This disadvantage results from a constant interference between spent air within the recesses and the working jet. Thus, the energy of the jet cannot be used with good efficiency. According to the present invention the energy of the jet can be used with better efficiency, since the inlet nozzle is directed towards the deepest section of the front concave actuation wall by impacting on this wall and since there is provided a guiding path and an additional expansion space below the jet which in combination produce a pumping effect for quickly disposing the spent jet medium. The expansion space is provided by the concave rear wall and the flat bottom of the recess. The guiding path is defined by the concave side wall together with the flat bottom and the concave rear wall.
    • PCT No.PCT / EP83 / 00067 Sec。 371日期1983年10月21日 102(e)1983年10月21日日期PCT提交1983年3月8日PCT公布。 公开号WO83 / 03119 日期:1983年9月15日。具有喷射涡轮机的工具具有用刀架驱动可旋转主轴,所述心轴包括在主轴壳体中,所述喷射涡轮机由盘形涡轮机转子组成, 所述涡轮转子具有周向布置的离散凹部,每个凹部具有用于射流的凹形前致动壁和在转子的轴向方向上开放的一个侧向布置的出口开口,所述壳体具有至少一个入口喷嘴, 凹槽,并具有用于废喷气介质的至少一个出口。 当负载增加或变化时,已知的机床受到强烈的速度损失。 这个缺点是由凹陷内的空气和工作射流之间的恒定干扰引起的。 因此,射流的能量不能以良好的效率使用。 根据本发明,射流的能量可以以更好的效率使用,因为入口喷嘴通过冲击该壁指向前凹形致动壁的最深部分,并且由于设置有引导路径和附加的膨胀 喷射下面的空间,其组合地产生用于快速处置废喷射介质的泵送效果。 膨胀空间由凹入的后壁和凹部的平坦底部提供。 引导路径由凹入的侧壁与平坦的底部和凹的后壁一起限定。