公开(公告)号：US3822439A

公开(公告)日：1974-07-09

申请号：US33485173

申请日：1973-02-22

申请人： DIAMOND POWER SPECIALITY

发明人： WALLIN R ,  NULL J ,  SMITH D

IPC分类号： F16H25/22 ,  F16H25/24 ,  G21C7/12 ,  F16H1/18 ,  G21C7/08

CPC分类号： F16H25/2266 ,  G21C7/12 ,  G21Y2002/201 ,  G21Y2002/501 ,  G21Y2004/30 ,  Y02E30/39 ,  Y10T74/19791

摘要： A control rod drive of the type wherein the load is actuated by a non-rotatable screwshaft driven axially within a sealed tubular enclosure includes a spinning nut assembly consisting of roller nuts mounted on pivoted segment arms and movable into and out of mesh with the screwshaft by energization and deenergization of an induction-type motor. The segment arms form a portion of the rotor so that when the field of stator rotates the roller nuts planetate to drive the shaft. A combined support and convectioncontrolling housing structure for the mechanism is adapted to be attached to the cover of a reactor vessel and includes an upwardly extending torque-taking piston-carrying section connected to the screwshaft and a snubbing cylinder for controlling the rate of descent and absorbing shock in event of scan, and means for parking the screwshaft in a raised position.

摘要翻译： 这种类型的控制棒驱动器，其中负载由在密封的管状外壳内轴向驱动的不可旋转的螺旋轴驱动，包括旋转螺母组件，该旋转螺母组件由安装在枢转的段臂上的滚子螺母组成，并可通过 感应式电动机的通电和断电。 分段臂形成转子的一部分，使得当定子的磁场旋转滚子螺母行星体以驱动轴时。 用于机构的组合的支撑和对流控制壳体结构适于附接到反应堆容器的盖子，并且包括连接到螺杆轴的向上延伸的扭矩捕获活塞承载部分和用于控制下降速率的缓冲气缸 并且在扫描时吸收冲击，以及用于将螺钉轴停放在升高位置的装置。