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    • 41. 发明授权
    • Circuit breaker racking mechanism for drawout type switchgear
    • 抽屉式开关柜的断路器支架机构
    • US4101744A
    • 1978-07-18
    • US734955
    • 1976-10-22
    • George A. Wilson
    • George A. Wilson
    • H02B11/133H01H9/20
    • H02B11/133H02B11/10
    • A four position racking mechanism for a circuit breaker in a cubicle or housing providing Connected, Test, Disconnect and Out positions. The racking lead screw is mounted in the circuit breaker structure in its own support. The rear end of the racking screw is threaded to engage and move a travelling nut which rides in guide slots. The outer ends of the travelling nut engage a pair of connecting links which rotate a pivoted roller bracket. The roller bracket carries a racking roller which engages a cam slot in a member extending from the rear portion of the cubicle or housing. The shape of the cam slot plus the increasing lever arm of the connecting links around the pivot pin on the nut provide a variable racking force which is needed for primary disconnect contact engagement. The central positioning of the racking mechanism makes it suitable for any width of circuit breaker. The racking mechanism is interlocked with the closing mechanism; releasable locking means and interlock means are provided to limit the operation of the racking mechanism to conditions which are safe for the operator; thus, the unlocking of the racking mechanism after the breaker is tripped will hold the trip mechanism and hold it trip free as long as the racking mechanism is unlocked. An indexing element for the slide for the locking mechanism is provided for all the positions of the circuit breaker.
    • 提供连接,测试,断开和关闭位置的隔间或外壳中的断路器的四位置机架。 起重螺丝钉自身安装在断路器结构中。 货架螺丝的后端是螺纹接合并移动乘坐导槽的行进螺母。 行进螺母的外端接合一对使枢轴转动支架旋转的连接连杆。 滚轮支架承载着一个与从柜体或外壳的后部延伸的构件中的凸轮槽接合的行走辊。 凸轮槽的形状加上围绕螺母上的枢轴销的连接链节的增加的杠杆臂提供了可变的推力,这是主要断开触点接合所需要的。 拆卸机构的中心位置使其适合任何宽度的断路器。 货架机构与关闭机构互锁; 提供可释放的锁定装置和联锁装置,以将货架机构的操作限制在对操作人员安全的条件下; 因此,在断路器跳闸之后,拆卸机构的解锁将保持跳闸机构,并且只要拆卸机构解锁就保持其跳闸。 为断路器的所有位置提供用于锁定机构的滑块的分度元件。
    • 46. 发明授权
    • Electrical switching apparatus, and racking assembly and secondary disconnect assembly therefor
    • 电气开关装置和货架组件及其二次断开组件
    • US08644007B2
    • 2014-02-04
    • US13031362
    • 2011-02-21
    • Michael Davis PearceMichael Howard AbrahamsenJon Christopher BeaverMelvin Lavern Hughes
    • Michael Davis PearceMichael Howard AbrahamsenJon Christopher BeaverMelvin Lavern Hughes
    • H02B1/00
    • H02B11/10H02B11/133
    • A secondary disconnect assembly is provided for a racking assembly of an electrical switching apparatus, such as a circuit breaker. The racking assembly movably couples the circuit breaker to a switchgear enclosure. The secondary disconnect assembly includes a mounting assembly having an elongated mounting member. The elongated mounting member has first and second opposing ends and first and second opposing sides. A sliding assembly is movably coupled to the first side between the first and second ends. A latching member is pivotably coupled to the sliding assembly. The latching member moves between an unlatched position corresponding to the circuit breaker being movable independently with respect to the sliding assembly, and a latched position corresponding to the latching member fixedly coupling the sliding assembly to the circuit breaker in order that the circuit breaker moves with the sliding assembly. The racking assembly may also include a position indicator.
    • 为电气开关装置(例如断路器)的货架组件提供二次断开组件。 断路组件将断路器可移动地耦合到开关柜外壳。 二次断开组件包括具有细长安装构件的安装组件。 细长安装构件具有第一和第二相对端部以及第一和第二相对侧面。 滑动组件可移动地联接到第一和第二端之间的第一侧。 闩锁构件可枢转地联接到滑动组件。 闩锁构件在对应于断路器的解锁位置相对于滑动组件独立移动之间移动,以及对应于将滑动组件固定地联接到断路器的闩锁构件的闩锁位置,以便断路器与 滑动组装 货架组件还可以包括位置指示器。
    • 48. 发明申请
    • POSITION INDICATING APPARATUS FOR CIRCUIT BREAKER AND CIRCUIT BREAKER HAVING THE SAME
    • 电路断路器的位置指示装置及具有该断路器的断路器
    • US20100163378A1
    • 2010-07-01
    • US12633863
    • 2009-12-09
    • In-Kyum KIMKil-Young AHN
    • In-Kyum KIMKil-Young AHN
    • H01H9/16
    • H02B11/10
    • Disclosed are a position indicating apparatus for a circuit breaker and a circuit breaker having the same. The circuit breaker having a position indicating apparatus comprises a cradle having a bus bar terminal and a load terminal; a main body having a bus bar connection unit and a load connection unit respectively connected to the bus bar terminal and the load terminal, and configured to be movable to a run position that the terminals and the connection units are connected to each other, and to a test position that the terminals and the connection units are separated from each other; and a position indicating apparatus configured to outwardly display a position of the main body by interworking with motion of the main body, wherein the position indicating apparatus comprises: a movable pin interworking with motion of the main body; and a display unit configured to display a position of the main body corresponding to a position of the movable pin by interworking with motion of the movable pin. Accordingly, the position of the main body of the circuit breaker can be intuitively checked rapidly and precisely.
    • 公开了一种用于断路器的位置指示装置和具有该位置指示装置的断路器。 具有位置指示装置的断路器包括具有母线端子和负载端子的支架; 主体具有母线连接单元和分别连接到母线端子和负载端子的负载连接单元,并且被配置为可移动到端子和连接单元彼此连接的运行位置,并且 端子和连接单元彼此分离的测试位置; 以及位置指示装置,其被配置为通过与所述主体的运动相互作用而向外显示所述主体的位置,其中所述位置指示装置包括:与所述主体的运动相互作用的可动销; 以及显示单元,被配置为通过与可动销的运动相互作用来显示对应于可动销的位置的主体的位置。 因此,可以快速,精确地直观地检查断路器主体的位置。