Apparatus and device for automatically inserting and removing
screw-threaded elements into and from tapped bores
    1.
    发明授权
    Apparatus and device for automatically inserting and removing screw-threaded elements into and from tapped bores 失效
    用于自动将螺纹元件插入和拆除螺纹孔的装置和装置

    公开(公告)号:US5271297A

    公开(公告)日:1993-12-21

    申请号:US991106

    申请日:1992-12-16

    CPC classification number: B25B13/065 B23P19/067 B25B13/48 G21C13/02 Y02E30/40

    Abstract: Apparatus employs a device for automatically threading and unthreading studs into tapped bores of a pressure vessel containing nuclear fuel to detach or fit a cover thereto. The apparatus also employs a device with a carrier ring supporting piston and cylinder units for tensioning the studs while nuts are fitted thereon. The stud threading device is supported on a carriage displaceable along a circular track to access each stud in turn. The stud threading device has a drive member, such as a tube or rod, which is driven by a rotary drive as well as a reciprocating drive. At the lower end the drive member has a coupler which fits onto a coupler at the upper end of each stud. The couplers on the studs take the form of bayonette-type fittings with U-shaped grooves for receiving locking projections on the coupler of the drive member to establish a connection resistant to tension and relative rotation.

    Abstract translation: 装置采用一种装置,用于将螺栓自动地螺纹连接并将其螺纹拧入装有核燃料的压力容器的敲击孔中,以便将盖子分离或装配到其上。 该装置还采用具有承载环支撑活塞的装置和用于在其上安装螺母的情况下张紧螺栓的气缸单元。 螺柱穿线装置支撑在沿着圆形轨道移动的滑架上,以依次接近每个螺栓。 螺柱穿线装置具有驱动构件,例如管或杆,其由旋转驱动器以及往复驱动驱动。 在下端,驱动构件具有一个联接器,该联接器在每个螺柱的上端装配到联接器上。 螺柱上的联轴器采用具有U形槽的卡口式配件的形式,用于在驱动构件的联接器上接收锁定突起,以建立抵抗张力和相对旋转的连接。

    High-pressure seal in piston
    2.
    发明授权
    High-pressure seal in piston 失效
    活塞高压密封

    公开(公告)号:US4346903A

    公开(公告)日:1982-08-31

    申请号:US245095

    申请日:1981-03-18

    CPC classification number: F16J15/32 F16J15/56

    Abstract: A high-pressure seal having a dynamic seal ring and a static seal ring supported by a backup ring is improved upon such that support ring is a one-piece construction having sealing chambers respectively defined together with the bore wall of the cylinder with the piston recess for the dynamic and static seal rings. The seal chamber for the static seal ring is formed to induce a stretching of this ring when the high-pressure seal is assembled in place, whereby the seal between the piston and cylinder is improved as the static seal ring is stretched to provide a tight seal between the backup ring and the piston.

    Abstract translation: 具有动态密封环和由支撑环支撑的静态密封环的高压密封件被改进,使得支撑环是单件式结构,其具有分别与气缸的孔壁一起限定的密封室和活塞凹部 用于动态和静态密封环。 用于静密封环的密封室形成为当高压密封组装在适当位置时引起该环的拉伸,由此当静态密封环被拉伸以提供紧密密封时,活塞和气缸之间的密封性得到改善 在支撑环和活塞之间。

    Device for selectively tensioning and clamping studs mounted on a
pressure vessel to permit nuts to be tightened or loosened
    3.
    发明授权
    Device for selectively tensioning and clamping studs mounted on a pressure vessel to permit nuts to be tightened or loosened 失效
    用于选择性地张紧和夹紧安装在压力容器上的螺栓以允许螺母拧紧或松开的装置

    公开(公告)号:US5452629A

    公开(公告)日:1995-09-26

    申请号:US231128

    申请日:1994-04-22

    Abstract: Apparatus for tightening and releasing nuts on screw-threaded studs to fit or release a cover on a pressure vessel employs several devices for subjecting each of the studs to tension to clamp the stud whilst the nut is rotated thereon. Each device has a passage for receiving one of the studs and a threaded sleeve engaged thereon. An hydraulic piston and cylinder unit subjects the sleeve to tensile force and likewise the stud coupled thereto. Also in the passage there is a sensor which has spring biased relatively movable components for engaging on a head of the stud and on a system of rods providing a reference. The sensor is suspended in the passage and provides an indication of the strain imposed on the stud by the hydraulic unit.

    Abstract translation: 用于在螺纹螺柱上拧紧和释放螺母以装配或释放压力容器上的盖的装置采用若干装置,用于使螺柱在螺母旋转的同时使每个螺柱受到拉力以夹紧螺柱。 每个装置具有用于容纳其中一个螺栓的通道和与其接合的螺纹套筒。 液压活塞和气缸单元使套筒承受张力并且同样地连接到其上的螺柱。 在通道中也有传感器,该传感器具有弹簧偏置的可相对移动的部件,用于接合在螺柱的头部和提供参考的杆的系统上。 传感器悬挂在通道中,并提供液压单元施加在螺柱上的应变指示。

    Apparatus for automatically inserting and removing screw-threaded
elements into and from tapped bores
    4.
    发明授权
    Apparatus for automatically inserting and removing screw-threaded elements into and from tapped bores 失效
    用于将螺纹元件自动插入和拆除攻丝孔的装置

    公开(公告)号:US5330159A

    公开(公告)日:1994-07-19

    申请号:US5560

    申请日:1993-01-19

    Abstract: Apparatus for automatically inserting and removing screw-threaded elements into and from threaded bores of a pressure vessel to fit or detach a cover employs a screw-clamping device with a carrier ring supporting individual mechanisms for each screw-threaded element. Each mechanism employs a pair of parallel hydraulic piston and cylinder units with their cylinders supported for sliding on a flat surface of the carrier ring and their piston rods linked to a pressure bridge which brace on a shoulder of a screw-threaded sleeve fitted onto the associated screw-threaded element. The entire mechanisms is displaceably adjustable relative to the carrier ring predominantly in a radial direction relative to a common pitch circle for all the screw-threaded elements.

    Abstract translation: 用于将螺纹元件自动插入和移除压力容器的螺纹孔以装配或拆卸盖的装置采用螺旋夹紧装置,其具有支撑每个螺纹元件的单独机构的承载环。 每个机构采用一对平行的液压活塞和气缸单元,其气缸被支撑用于在载体环的平坦表面上滑动,其活塞杆连接到压力桥,该压力桥支撑在安装在相关联的螺纹套筒的螺纹套筒的肩部上 螺纹元件。 整个机构相对于承载环可相对于所有螺纹元件相对于公共节圆而在径向方向上可移动地可调节。

    Remote controlled bolt removing apparatus for bolts securing the head of
a reactor pressure vessel
    5.
    发明授权
    Remote controlled bolt removing apparatus for bolts securing the head of a reactor pressure vessel 失效
    用于固定反应堆压力容器的头部的螺栓的远程控制的螺栓拆除装置

    公开(公告)号:US4552038A

    公开(公告)日:1985-11-12

    申请号:US542045

    申请日:1983-10-14

    CPC classification number: B25B29/02 B23P19/06 B23P19/067

    Abstract: A remote controlled bolt removing device for bolts securing the head of a reactor pressure vessel is provided which includes a vertically movable rotating device which automatically grips and turns the bolts and at least one hydraulic cylinder for raising and lowering the rotating device. The device is provided with a rotating drive associated with the hydraulic cylinder which imparts a relative rotating movement between the piston and the cylinder during the operating stroke.

    Abstract translation: 提供了用于固定反应堆压力容器的头部的螺栓的远程控制的螺栓拆除装置,其包括可自动地夹紧和转动螺栓的可垂直转动的旋转装置和用于升高和降低旋转装置的至少一个液压缸。 该装置设置有与液压缸相关联的旋转驱动器,其在操作冲程期间在活塞和气缸之间施加相对旋转运动。

    Tensioning device for simultaneously tensioning a plurality of bolts
    6.
    发明授权
    Tensioning device for simultaneously tensioning a plurality of bolts 失效
    用于同时张紧多个螺栓的张紧装置

    公开(公告)号:US4224843A

    公开(公告)日:1980-09-30

    申请号:US973541

    申请日:1978-12-26

    CPC classification number: B25B29/02 B23P19/067

    Abstract: A fluid-operated device for simultaneously pretensioning a plurality of bolts connecting a first body to a second body in which the bolts are screwed with threaded end portions thereof into corresponding threaded bores in the second body and project with clearance through bores in the first body and with opposite threaded end portions thereof beyond the first body. The device comprises a carrier member arranged on the side of the first body opposite the second body and provided with a plurality of bores through which the bolts extend with clearance, a first nut screwed on the projecting other end portion of each bolt, at least one fluid-operated piston arranged on said carrier member movable along an axis parallel to those of the bolts and engaging with an end thereof the first body so as to simultaneously tension, when operated all of the screw bolts, and a second nut on an intermediate threaded portion of each bolt turnable into engagement with the first body after the bolts have been tensioned so as to hold the bodies in tight engagement with each other by the tensioned bolts.

    Abstract translation: 一种流体操作装置,用于同时预先安装多个螺栓,所述多个螺栓将第一主体与第二主体连接,其中所述螺栓与螺纹的螺纹端部螺纹拧入第二主体中的相应的螺纹孔中,并且在第一主体中通过孔突出并且突出, 其相对的螺纹端部超过第一主体。 该装置包括布置在第一主体的与第二主体相对的一侧上的托架构件,并且设置有多个孔,螺栓通过该孔而间隙延伸;第一螺母,其螺合在每个螺栓的突出的另一端部上,至少一个 布置在所述托架构件上的流体操作的活塞可沿着平行于螺栓的轴线的轴线移动,并与第一主体的端部接合,以便当操作所有螺栓时同时张紧,并且在中间螺纹上的第二螺母 每个螺栓的部分在螺栓已经被张紧之后可转换成与第一主体接合,以便通过张紧的螺栓将主体保持彼此紧密接合。

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