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    • 2. 发明授权
    • Internal resistance pipe butt welder
    • 内阻管对接焊机
    • US4273985A
    • 1981-06-16
    • US36166
    • 1979-05-04
    • Boris E. PatonBoris E. ScherbinaVladimir K. LebedevOleg M. IvantsovSergei I. Kuchuk-YatsenkoVasily A. SakharnovBoris A. GalianMikhail R. UnigovskyOrest M. Serafin
    • Boris E. PatonBoris E. ScherbinaVladimir K. LebedevOleg M. IvantsovSergei I. Kuchuk-YatsenkoVasily A. SakharnovBoris A. GalianMikhail R. UnigovskyOrest M. Serafin
    • B23K11/02B23K11/04B23K11/093B23K37/04
    • B23K11/0935
    • A welder arranged inside pipes to be welded comprises a housing with the longitudinal axis thereof matched with the axis of the pipes. On the housing are a welding transformer and two mechanisms clamping the pipes, each having a drive moving the mechanism along the axis of the housing, and each being electrically connected to the transformer. The housing has mounted thereon a pipe flashing and upsetting mechanism with its own hydraulic drive, kinematically coupled to one of the pipe clamping mechanisms, a hydraulic pump supplying fluid to the drives, and a mechanism driving the welder along the pipes' axis. The housing carries two bearing discs secured at opposite ends and three clips mounted on roller supports and movable along the housing's axis. Two clips are incorporated in the first and second clamping mechanisms, respectively, and the third is part of the flashing and upsetting mechanism. The clip incorporated in the first pipe clamping mechanism is interposed between the bearing disc and the clip of the second clamping mechanism and is coupled to the bearing disc by means of its hydraulic drive. Another kinematic coupling is between this clip and the bearing disc. The clip of the flashing and upsetting mechanism is close to the second bearing disc and coupled thereto by its own hydraulic drive. The clip of the second clamping mechanism is interposed between the clip of the first clamping mechanism and that of the flashing and upsetting mechanism and is coupled to the clip of the flashing and upsetting mechanism by its hydraulic drive; and an additional kinematic coupling is between the clip of the second clamping mechanism and said clip of the flashing and upsetting mechanism.
    • 布置在要焊接的管道内的焊工包括其纵轴与管的轴线匹配的壳体。 在壳体上是焊接变压器和夹紧管道的两个机构,每个机构具有沿着壳体的轴线移动机构的驱动器,并且每个机构电连接到变压器。 壳体上安装有管状闪光和镦锻机构,其具有其自身的液压驱动器,其运动地联接到管夹紧机构中的一个,向驱动器供应流体的液压泵以及沿着管轴驱动焊机的机构。 外壳带有固定在相对端的两个轴承盘,三个夹子安装在滚子支架上,并可沿壳体的轴线移动。 两个夹子分别结合在第一和第二夹紧机构中,第三个是闪光和镦锻机构的一部分。 结合在第一管夹紧机构中的夹子介于轴承盘和第二夹紧机构的夹子之间,并且通过其液压驱动器联接到轴承盘。 另一种运动耦合在该夹子和轴承盘之间。 闪光和镦锻机构的夹子靠近第二轴承盘并通过其自身的液压驱动器与其连接。 第二夹持机构的夹子插入在第一夹紧机构的夹子和闪光和镦锻机构的夹子之间,并且通过其液压驱动器联接到闪光和镦锻机构的夹子; 并且另外的运动耦合在第二夹紧机构的夹子和闪光和镦锻机构的所述夹子之间。
    • 5. 发明授权
    • Pipe resistance butt welding apparatus
    • 管电阻对焊机
    • US4323752A
    • 1982-04-06
    • US136698
    • 1980-04-02
    • Boris E. PatonVladimir K. LebedevSergei I. Kuchuk-YatsenkoVasily A. SakharnovBoris A. Galyan
    • Boris E. PatonVladimir K. LebedevSergei I. Kuchuk-YatsenkoVasily A. SakharnovBoris A. Galyan
    • B23K11/093B23K11/04B23K37/04
    • B23K11/0935
    • A pipe resistance butt welding apparatus disposable within the pipes to be welded comprises a fixed expanding clamp and a movable expanding clamp, provided with clamping elements and actuating cylinders and intended to fix the pipes to be welded with respect to the apparatus. A cylinder to effect an axial movement of the movable expanding clamp is installed at the end at which this expanding clamp is located; the axial movement provides for drawing together the ends of the pipes to be welded in the course of fusion and upsetting. The cylinder for the axial movement of the movable expanding clamp is coupled with the actuating cylinder of the same clamp and with the clamping elements. The devices making up the apparatus and the cylinders are coaxially installed within a body wherefrom the clamp elements extend outwardly to engage the inner surface of the pipes being welded. Modifications of the apparatus for weld-joining of medium and large diameter pipes respectively are also described.
    • 在待焊接的管道中一次性使用的管电阻对接焊接设备包括固定膨胀夹具和可移动膨胀夹具,其设置有夹紧元件和致动缸,并且旨在相对于设备固定待焊接的管。 用于实现可移动膨胀夹具的轴向运动的缸体安装在该膨胀夹具所在的端部处; 轴向移动可以在融合和镦锻的过程中将被焊接管的端部拉制在一起。 用于可移动膨胀夹具的轴向运动的缸体与相同夹具的致动缸和夹紧元件联接。 构成设备和气缸的装置同轴地安装在主体内,夹紧元件从外部向外延伸以接合被焊接管的内表面。 还描述了分别用于中等和大直径管道焊接装置的修改。