FIELD: mechanical engineering.
SUBSTANCE: invention relates to Christmas tree protector. Protector comprises top and bottom cases. Besides, it comprises top and bottom plates and two hydraulic cylinders. Hydraulic cylinder rods are secured at bottom plate. Cases of hydraulic cylinders are secured on top plate. Protector lower case is fixed in lower plate. Protector upper case is fixed in upper plate. Protector top case accommodates hollow rod arranged on its one side while shutoff elements and high-pressure line connection assembly are jointed to protector top case on opposite side. Hydraulic cylinders are composed of two-way hydraulic cylinders. Top plate is secured at hydraulic cylinder case bottom. High-pressure line connection assembly is located below upper ends of hydraulic cylinders cases. Top plate is arranged nearby nut that couples top and bottom plates.
EFFECT: improving reliability of a Christmas tree protector.
1 cl, 2 dwg
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