FIELD: oil and gas industry.
SUBSTANCE: protectoliser consists of a two-component case and detachable tool joint with fastening elements and a protective collar. The two-component case consists of the articulated case with a bracket designed for setting both at cylindrical and hexagonal part of a pump neck. Besides, the protectoliser case and bracket are equipped with replaceable wearproof supports fixed in the bracket by locking rings thus allowing change in coupling size of the protectoliser for the pump neck. The protective collar is fixed to the case by its first end to the axis and by its second end to a flange bolt with a spring lock. The detachable tool joint is made as a hinged bolt and a nut with spring lock to prevent uncontrolled turning off.
EFFECT: improved reliability of the protectoliser fixation at the pump neck, increased service life of the protectoliser and improved universality of the protectoliser.
2 cl, 5 dwg
