FIELD: machine building.
SUBSTANCE: device consists of a casing made as two pivotally connected arch sections with grippers being rigidly fixed at its ends. On the gripper there installed are reverse-type hydraulic cylinders with their stems being rigidly connected to an expanding sleeve which is made as two pivotally connected circular sectors each of which has the angle of contact of a collar equal to at least 160°. One end of each sector of the expanding sleeve is of stepped shape with wedge-like projections to get under the steel locking ring, and at least two radial projections with radial channels with the angle between their axes being equal to 90° are provided on the surface of each expanding sleeve sector turned to the bell mouth. Spring-loaded detent cams are installed inside the radial projections. A hollow pole on which a hydraulic pump with a reverse valve is mounted, is installed on the arch casing section.
EFFECT: invention allows for simplified mounting and demounting of detachable pipelines.
8 dwg
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