FIELD: oil and gas production.
SUBSTANCE: proposed device comprises bearing frame hinged to support, frame lifting/lowering drive including two hydraulic cylinders with rods arranged on both sides of said frame and hinged onto support, working fluid feed device made up of flexible hoses, supports, coupler and rotary device including hydraulic cylinder with rack rod, and pinion shaft. Note here that frame lifting/lowering drive hydraulic cylinders represent telescopic three-stage plunger-piston dual-action cylinders. Rods of said cylinders are coupled by fast-release heads with pins arranged on bearing frame. Aforesaid supports are composed of hydraulic jacks. Aforesaid coupler is made up of shell ring with cutout rigidly fitted outside bearing frame top part and yoke-like device shaped to rotary device pinion shaft end cutout. Rotary device is furnished with fixed roller bearing arranged under coupler shell ring.
EFFECT: easier repair, improved control.
5 dwg
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|
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|
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|
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|
RU2034774C1 |
| PRESSING AND BENDING APPARATUS TO BEND GLASS SHEET | 1990 |
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