FIELD: oil and gas production.
SUBSTANCE: fixing mechanism includes a pair of clamping jaws, rods and hydraulic cylinder as drive, which are connected to them. At that, mechanism also includes the lever installed with possibility of being turned, longitudinal rod and reverse lever. At that, hydraulic cylinder is connected to the lever, one end of which is connected to rod connected to the first clamping jaw, and its other end is connected by means of longitudinal rod to reverse lever connected by means of rod to the second clamping jaw.
EFFECT: improving operating reliability and reducing the cost owing to simplified device design.
2 dwg
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SU692975A1 |
