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    • 37. 发明授权
    • Modular electrical switch and switching assembly for industrial elevators
    • 工业电梯的模块化电气开关和开关组件
    • US5508480A
    • 1996-04-16
    • US126994
    • 1993-09-24
    • Ronald D. Quinlan
    • Ronald D. Quinlan
    • H01H1/18H01H1/20H01H3/00H01H3/16H01H9/08H01H11/00H01H9/26
    • H01H9/08H01H1/18H01H1/20H01H11/0012H01H2001/001H01H3/001H01H3/161
    • A modular electrical switch provides a wiping or shearing action upon closing and opening thereof. A contact carrier disposed within a housing linearly carries a movable contact into engagement with a stationary contact. The contact carrier is guided by movable slide plates disposed on either side thereof and movable along with the contact carrier as a contact assembly. The guide plates also provide pivot recesses for pivot bosses of the contact carrier. The contact carrier is constrained to linear motion up to the point of contact between the movable contact and the stationary contact by a cam trace in the housing. After contact between the movable contact and the stationary contact, the contact carrier reaches a pocket defined by the cam trace, ceases linear movement and upwardly pivots to provide a wiping action between the movable contact and the stationary contact. Immediately upon reversed, pivoting and linear motion of the contact carrier a shearing action is provided between the movable contact and the stationary contact. A plurality of such modular switches are utilized in a freight elevator interlock system for regulating the opening and closing of the various doors and carriage of the freight elevator. A common sliding actuator controls the modular switches regardless of the orientation of the respective switches within the housing.
    • 模块化电气开关在其闭合和打开时提供擦拭或剪切动作。 设置在壳体内的接触载体线性地携带可动触头与固定触点接合。 接触托架由设置在其任一侧上的可动滑板引导,并可作为接触组件与接触托架一起移动。 引导板还提供用于接触托架的枢轴凸起部的枢转凹部。 接触载体通过壳体中的凸轮轨迹被约束到直到活动点到可动触头和固定触点之间的接触点。 在可动触点和固定触点接触之后,触点载体到达由凸轮轨迹限定的凹穴,停止线性运动并向上枢转以在可动触头和固定触点之间提供擦拭动作。 立即在接触载体的反转,枢转和线性运动之后,在可动触点和固定触头之间提供剪切动作。 在货运电梯互锁系统中使用多个这样的模块化开关,用于调节货梯的各种门和托架的打开和关闭。 常规的滑动执行器控制模块化开关,而不管壳体内相应开关的方向如何。
    • 38. 发明授权
    • Replaceable bushing and contact assembly for blade type air insulated
switchgear
    • 适用于叶片式空气绝缘开关柜的可更换套管和接触组件
    • US4886945A
    • 1989-12-12
    • US106379
    • 1987-10-06
    • Gerald B. RobertsEdward L. West
    • Gerald B. RobertsEdward L. West
    • H01H33/02H01H33/77
    • H01H33/77H01H33/025H01H2001/001H01H2009/0292
    • Improved switchblade-type, air dielectric switchgear apparatus is provided which utilizes a minimum of supporting insulators and incorporates readily field-replaceable bushing assemblies so that the switchgear apparatus may be serviced in the field using only conventional tools. In preferred forms, the switchgear apparatus includes internal switch assemblies making use of substantially vertically oriented switchblades mounted for pivotal movement about an elevated, generally horizontal axis located above the corresponding stationary contacts. The replaceable bushing assemblies are advantageously mounted at a level for interconnection with the upper ends of associated switchblades, and the assemblies include a conical outermost connection and adapted to receive a line connecting elbow, together with an elongated, inwardly extending, electrically conductive intermediate portion carrying an innermost terminal. The inner terminal is designed for frictionally engaging the upper end of an associated switchblade, and for this purpose includes a pair of depending, spring-loaded contact plates. If a given bushing assembly requires replacement, it is only necessary to externally disconnect the assembly from the switch housing wall, followed by manual removal of the defective assembly. An identical replacement assembly is then inserted through the tank wall and the assembly terminal is initially positioned relative to the switchblade, this operation being facilitated by visual inspection through a window below the bushing assemblies. The replacement bushing is then attached using external connection hardware, this operation serving to properly and finally position the terminal relative to the switchblade.
    • 提供了改进的开关刀片型空气介质开关装置,其利用最少的支撑绝缘体并且容纳现场可替换的衬套组件,使得开关设备可以仅在常规工具中在现场进行维修。 在优选形式中,开关设备包括使用基本上垂直定向的开关刀片的内部开关组件,所述开关刀片安装成围绕位于相应的固定触点上方的升高的大致水平的轴线枢转运动。 可替换衬套组件有利地安装在与相关联的开关刀片的上端互连的水平面上,并且组件包括圆锥形的最外面的连接并且适于接纳连接弯头的线以及延伸的向内延伸的导电中间部分 最内层的终端。 内部端子被设计成与相关的开关刀片的上端摩擦接合,并且为此目的包括一对垂直的弹簧加载的接触板。 如果给定的衬套组件需要更换,则只需要将组件从开关壳体壁外部断开,然后手动拆除故障组件。 然后将相同的替换组件插入通过罐壁并且组装端子相对于开关刀片初始定位,该操作通过目视检查通过套管组件下方的窗口而被促进。 然后使用外部连接硬件连接更换衬套,该操作用于正确地并最终将端子相对于开关刀片定位。
    • 39. 发明授权
    • Auxiliary interlock switch with interchangeable and reversible
chisel-shaped contacts and spring biasing mechanism
    • 辅助联锁开关,具有可互换和可逆的凿子接触和弹簧偏置机构
    • US4006322A
    • 1977-02-01
    • US615688
    • 1975-09-22
    • Paul M. GallatinEdward A. Halbach
    • Paul M. GallatinEdward A. Halbach
    • H01H1/20H01H50/54H01H15/00H01H1/12H01H45/00
    • H01H1/2083H01H1/2025H01H2001/001H01H50/545
    • An auxiliary interlock switch for a DC contactor has a reciprocable one-piece insulating contact carrier and plural bridging contacts interchangeably mounted thereon in alternative positions to provide different desired arrangements of normally open and normally closed contact sets with the stationary contact posts. The contact carrier has a return spring compressed within a spring-receiving cavity and elongated abutment-receiving apertures registering with opposite ends of said cavity through which an abutment member, that is releasably assembled to the contact carrier, may interchangeably freely extend to permit relative movement therebetween and against which one end of the return spring reacts to resiliently bias the contact carrier against reciprocation in one direction. The bridging contacts may be easily removed in the field and reassembled in desired contact configuration and are of resilient metal with bifurcated ends having "chisel" surfaces which provide high unit area contact pressure and plural points of engagement with each stationary contact post to thereby increase electrical reliability.
    • 用于直流接触器的辅助联锁开关具有可往复运动的一体式绝缘接触载体和多个桥接触头,其可互换地安装在其上的替代位置,以提供与固定接触柱的常开和常闭触点组的不同期望布置。 接触载体具有在弹簧容纳腔内压缩的复位弹簧和与所述空腔的相对端配准的细长的邻接接收孔,其中可释放地组装到接触载体上的邻接构件可以互换地自由延伸以允许相对运动 在其间并且复位弹簧的一端反应使弹性偏压接触支架抵抗在一个方向上的往复运动。 桥接触点可以在现场容易地移除并且以期望的接触构造重新组装,并且是具有分叉端部的具有“凿”表面的弹性金属,其具有提供高单位面积接触压力和与每个固定接触柱的多个接合点,从而增加电 可靠性。