公开(公告)号：US4262501A

公开(公告)日：1981-04-21

申请号：US952785

申请日：1978-10-19

申请人： John P. Vaughn ,  Charles W. Reynolds

发明人： John P. Vaughn ,  Charles W. Reynolds

IPC分类号： B25B23/14 ,  F16D7/08 ,  F16D7/06

CPC分类号： F16D7/08 ,  B25B23/141

摘要： A torque control tool for installing and removing threaded fasteners couples a driven section of the tool with a drive section of the tool through detent balls of the former and a clutch plate of the latter. The clutch plate keys to a stem of the drive section for rotation together and has semi-spherical sockets of substantially the same radius of curvature as the balls receiving the balls and lying on a circle about a rotational axis of the driven section. A carrier plate cages the balls so that they index with the clutch plate sockets and keys to the balance of the driven section to transmit torque to it. Reliefs to the side of each socket and centered on the circle of the sockets permit the detent balls to uncouple from the drive section at an applied installation torque less than the uncoupling torque in the opposite, removal direction. The depth of the reliefs leaves substantial spherically curved walls of the sockets opposing uncoupling torques in the installation direction and, accordingly, the balls can only come out of the sockets abruptly with no preliminary rotational movement between the balls and the socket about the rotational axis of the driven section. An axial compressive force acting between an adjustment cap and Belleville springs on the balls and clutch plate determines the torque at which the driven section uncouples from the drive section. A pressure plate interposes between the balls and the Bellevilles. A stem of the drive section couples to the clutch plate through a keyway that permits relative movement of the clutch plate along the axis of the stem. A thrust bearing between the adjustment cap and the clutch plate minimizes rotational drag. The carrier plate and pressure plate key to a housing of the driven section for relative axial movement with respect thereto but for rotation together.

摘要翻译： 用于安装和拆卸螺纹紧固件的扭矩控制工具通过前者的制动球和后者的离合器片将工具的从动部分与工具的驱动部分相连。 离合器片键到驱动部分的杆部，用于一起旋转，并且具有半球形插座，其具有与接收球的球基本相同的曲率半径，并且位于围绕被驱动部分的旋转轴线的圆周上。 承载板将球保持在一起，使得它们与离合器片座和钥匙一起转动到被驱动部分的平衡，以将扭矩传递给它。 在每个插座的侧面的放置并且以套筒的圆为中心的放置允许制动球以相对的移除方向上的非耦合扭矩小的施加的安装扭矩与驱动部分分离。 浮雕的深度留下插座的实质的球形弯曲的壁相对于安装方向上的非耦合转矩，并且因此，球只能突然地从插座出来，而不会在滚珠和插座之间围绕旋转轴的旋转轴线 驱动部分。 作用在调节盖和贝氏弹簧之间的轴向压缩力弹簧在球和离合器板上确定驱动部分与驱动部分脱离的扭矩。 压力板介于球和Bellevilles之间。 驱动部分的杆通过键槽连接到离合器板，该键槽允许离合器板沿杆的轴线相对运动。 调节盖和离合器板之间的推力轴承使旋转阻力最小化。 承载板和压板键键到被驱动部分的壳体，用于相对于其相对轴向运动，但是用于一起旋转。