DISCONNECTION UNIT FOR STANDPIPE LOWERING

摘要

The disconnecting unit for standpipe lowering has bearing stem, clutch-funnel with cylindrical and conical upper and lower grooves at the inner surface, fixation elements placed in respective sockets of the bearing stem, cut pins, movable hollow plug with saddle for ball, and the ball. The cut pins in the initial position fix simultaneously the movable hollow plug with the saddle for the ball, the bearing stem and the clutch-funnel, the upper conical groove of the clutch-funnel is arranged with depression, fixation elements are made cylindrical and placed in respective sockets of the bearing stem at angle 120 DEGREE , at the outer end surface of fixation elements interacting with the lower conical groove of the clutch-funnel cut at angle is provided, with correspondence to the angle of the lower conical groove, and in opposite in diameter position with respect to the cut tooth is arranged, this goes to the upper deepened conical groove, at that the conical surfaces of the lower, the upper and the deepened grooves, the tooth cut and the tooth are arranged at same angle to the axis of the unit.