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    • 5. 发明申请
    • Device for a Power Tong
    • 电源钳
    • US20100263495A1
    • 2010-10-21
    • US12740909
    • 2008-10-30
    • Jonathan Garrick Webb
    • Jonathan Garrick Webb
    • B25B13/50
    • E21B19/164
    • A device for a power tong (1) for unscrewing or screwing a pipe (6) comprising a tong housing (2) with a radial opening for moving the pipe (6) into or out of the power tong (1), at least one driving motor (40, 52) with associated transmission elements (61), and a tong portion (39) including at least one gripper (24), the at least one driving motor (40, 52) being arranged to rotate the tong portion (39) with the at least one gripper (24) about a centre axis (4), and the tong portion (39) comprising an arm case (8) with a radial arm case opening (17) and a step case (28) with a radial step case opening (37), a first driving motor (40) being coupled the to the arm case (8) and releasably coupled to the step case (28) by means of transmission elements (61), and a second driving motor (52) being coupled to the step case (28) and releasably coupled to the arm case (8) by means of transmission elements (61).
    • 1.一种动力钳(1)的装置,用于旋转或拧紧管(6),所述管(6)包括具有用于将所述管(6)移入或移出所述动力钳(1)的径向开口的钳壳体(2),至少一个 驱动马达(40,52)与相关联的传动元件(61)以及包括至少一个夹持器(24)的夹钳部分(39),所述至少一个驱动马达(40,52)被布置成使夹钳部分 39)与所述至少一个夹持器(24)围绕中心轴线(4),并且所述钳部分(39)包括具有径向臂壳体开口(17)的臂壳体(8)和具有 径向台阶开口(37),第一驱动马达(40),其通过传动元件(61)与所述臂壳体(8)联接并且可释放地联接到所述台阶壳体(28);以及第二驱动马达 (52)联接到所述台阶壳体(28)并且通过传动元件(61)可释放地联接到所述臂壳体(8)。