Floating spherical docking apron

One kind of spherical floating docking skirt, submarine rescue equipment belonging to the art, especially suitable for replacing four degrees of freedom dynamic positioning DSRV "fixed" skirt, so as to have six degrees of freedom dynamic positioning docking features lifeboat. Spherical skirt of the present invention having the equatorial plane, both ends of the movable seal with the inner spherical surface of the cylindrical barrel for holding the spherical skirt freely rotatable. Electromagnet assembly includes a hollow shaft, a yoke and a coil. A pair of orthogonal spherical diameter in the equatorial plane of the skirt to the axis of the sleeve insert mounted on four bearings spherical skirt cylinder wall. When the coil assembly opposite the two electromagnets are energized simultaneously, and the spherical skirt firmly adsorbed on the yoke to ensure that the hollow shaft is inserted into the bearing sleeve forming a spherical shaft skirt; skirt spherical joint seat installation of the high pressure water to prevent small particles from entering the water between the opposing sliding surfaces. Use of the present invention can reduce the number of required power DSRV positioning device, it is highly conducive to the process control interface.