The radial equilibrium oil hydraulic pump (motor) of special-shaped dynamic and hydrostatic bearing

The radial equilibrium oil hydraulic pump (motor) of special-shaped dynamic and hydrostatic bearing

  • CN 85,109,201 A
  • Filed: 11/17/1985
  • Published: 06/03/1987
  • Est. Priority Date: 11/17/1985
  • Status: Abandoned Application
First Claim
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1. , oil hydraulic pumps (motor) such as a kind of gear type, rotator type, blade type, plunger type are characterized in:

  • the radially static pressure precise and stable control of making a concerted effort on the rotor, no hydrostatic bearing throttling arrangement.High low pressure permanent zone groove (chamfering) is arranged on the side plate end face, promptly be used to keep a certain amount of high low pressure zone;

    There is passage that high-pressure spray is guided to the brearing bore supporting region on the axle sleeve.Supporting region has the rectangular cavity or the eccentric processing face of a regulation;

    The back flash that is parallel to shaft axis that two logical low pressure are arranged in the non-bearing district, the chord length of the pressure-bearing surface that their constitute are 0.95 times more than the diameter;

    The resultant direction of pressure-bearing surface becomes 180 °

    with static pressure resultant direction on the cylinder block of hydraulic pumps, the bearing pressure-bearing surface make a concerted effort to make a concerted effort for the rotor static pressure half, on the rotor static pressure resultant direction change and the unbalanced force (pulsating force) of generation by the automatic compensation balance of the hydraulic bearing outside the rectangular cavity.

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