用于灌溉机中连接管道并允许位移。
专利摘要
灌溉机器中主管道段和摆动跨段（例如角跨段）之间的流通接头允许摆动跨段在接头内进行有限量的通常线性位移，用于速度控制或其他目的。在主管道段的直立出口端口上自由旋转的转台在穿过出口端口的直立枢转轴线的相对侧上具有一对联接组件，其中一个联接组件具有球接头，另一个设有相对可位移的部件。摆动跨段内端的连接轭的臂一方面与球接头联接，另一方面与可位移部件联接，从而提供必要的摆动和枢转运动，同时允许为控制目的所需的位移运动。相对的弹性垫通常将组件的位移部件保持在平衡位置，但当摆动跨段施加的力超过预定水平时可以被压缩以允许位移运动。少量的位移运动围绕穿过转台一侧的球接头的直立轴线发生。
Original abstractA flow-through joint in an irrigation machine between the main pipeline section and a swing span, such as a corner span, permits a limited amount of generally linear displacement of the swing span within the joint for speed control or other purposes. A turret that rotates freely on the upright outlet port of the main pipeline section has a pair of coupling assemblies on opposite sides of the upright pivot axis through the outlet port, one of such coupling assemblies having a ball joint and the other being provided with relatively displaceable components. The arms of a connecting yoke on the inner end of the swing span are coupled with the ball joint on the one hand and the displaceable components on the other so as to provide the necessary swinging and pivoting motions while at the same time allowing displacing movement as necessary for control purposes. Opposing resilient cushions normally hold displacement components of the assembly in an equilibrium position but can be compressed to allow the displacing movement when the force exerted by the swing span exceeds a predetermined level. The small amount of displacing movement occurs about an upright axis through the ball joint on one side of the turret.
专利附图（8）
来源状态与事件
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