swivel ball universal joint万向转接头
ball-joint manipulator[核] 球承机械手;球接合操纵器;球承机械手
hollow ball bolted joint空心螺栓球节点
ball universal joint球笼万向节
Birfield ball-joint球笼式等速万向节
ball-joint球承;球铰对中
Ball-joint products球销类零件
ball shape joint球形节点
tripod ball sliding joint三球销移动副
By application Navier-Stokes equations under the sphere coordinate, the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing. Support property equation of this ball joint coupling was set up.
运用球坐标系下的纳维-斯拖克斯方程组推导出静压支承球铰副油膜支承反力的求解公式，给出了静压支承球铰副油膜支承特性方程，得出了静压支承球铰副油膜刚度计算公式；4．研究了静压支承球铰副的动态特性。
参考来源 - 轴向柱塞泵静压支承球铰副及柱塞副的理论研究N（名词） a coupling between two rods, tubes, etc, that consists of a spherical part fitting into a spherical socket, allowing free movement within a specific conical volume 球窝接头