FIELD: engines and pumps.
SUBSTANCE: unit shaft runs in toroidal roller bearings fitted at cantilever supports at end cover outer side. Pump section lock composed of outer tie rods fitted through channels in end covers and arranged uniformly and parallel with shaft axis. Two aligned bushes of balancing device are secured at pressure end cover and balancing device rotor. The latter is fitted on the shaft by means of two-sided collet clamp composed of three coaxial sleeves with contact conical working surfaces and clamping screws. This unit incorporates shaft aligning device while thrust bearings and end seals are fitted on the shaft by means of keyless joints. Motor and pump are mounted at the frame by self-aligning height-adjustable spherical bearings.
EFFECT: higher reliability, lower vibration, decreased noise, lower mounting, servicing and repair costs.
11 cl, 9 dwg
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