Static pressure bearing device and stage provided with same

Static pressure bearing device and stage provided with same

  • CN 102,135,137 B
  • Filed: 09/21/2010
  • Issued: 02/11/2015
  • Est. Priority Date: 01/22/2010
  • Status: Active Grant
First Claim
Patent Images

1. a hydrostatic bearing, consists of and arrange bearing play between fixed body and the slip surface of moving body, and to this bearing play supply superheated steam, thus above-mentioned moving body is floated on above-mentioned fixed body and can move, it is characterized in that,Above-mentioned moving body possesses:

  • The main pipe arrangement of supply superheated steam;

    Throttle orifice, it is arranged at slip surface is the ejiction opening place of the main pipe arrangement of opening, carries out rectification to superheated steam;

    Static pressure attenuator, it is formed and is communicated with above-mentioned throttle orifice and the superheated steam sprayed from above-mentioned throttle orifice is distributed the vent slot being supplied to above-mentioned bearing play,The formation of above-mentioned vent slot comprises;

    Annular slot, it is formed as ring-type around above-mentioned throttle orifice;

    Multiple distributing chute, they centered by above-mentioned throttle orifice towards above-mentioned annular slot with radiated entends arrange and above-mentioned annular slot is communicated with above-mentioned throttle orifice,Above-mentioned vent slot is formed as symmetrical relative to the movement direction center line of above-mentioned moving body,The sectional shape of the width direction of above-mentioned vent slot is formed towards the outstanding curve in the direction leaving slip surface,Above-mentioned hydrostatic bearing also possesses air vent, and this air vent is arranged around above-mentioned annular slot, the superheated steam being supplied to above-mentioned bearing play is discharged to the guided outside of above-mentioned bearing play from above-mentioned vent slot,Above-mentioned air vent is formed as symmetrical relative to the movement direction center line of above-mentioned moving body,The sectional shape of width direction is formed towards the outstanding curve in the direction leaving slip surface, and sectional area is more than the sectional area of above-mentioned annular slot.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×