Scalable honeycomb gas hydrostatic restrictor with Bezier curve equalizing groove
A Bezier curve, gas static pressure technology, applied in the direction of fluid flow, bearings, shafts and bearings, etc., can solve the problems of single application, small bearing area, small gas film stiffness, etc., to achieve uniform pressure distribution and increase bearing capacity. The effect of uniform area and carrying capacity
Active Publication Date: 2020-03-17
XI AN JIAOTONG UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to provide an expandable honeycomb gas static pressure restrictor with a Bezier curve pressure equalizing groove to solve the problem of low stability, small gas film stiffness and low application of traditional gas static pressure thrust restrictors. Single occasion, small bearing area, etc.
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[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings. However, it should not be understood that the scope of the above-mentioned subject matter of the present invention is limited only to the following content. Without departing from the above idea of the present invention, various replacements or changes made according to common technical knowledge and customary means in this field shall be included in the scope of the present invention.
[0034] see Figure 1 to Figure 10 , the expandable honeycomb gas static pressure restrictor with Bezier curve pressure equalizing groove provided by the present invention, the overall structure includes Bezier curve pressure equalizing groove 1, wedge-shaped orifice 2, concave curved surface 3, center section Orifice 4, air supply chamber 5, air intake threaded hole 6 and pressure relief diversion groove 7. The unit honeycomb type gas static pressure restrictor of the prese...
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The invention discloses an extendable honeycombed gas static throttler with bezier curve uniform-pressure grooves. The throttler is in a regular hexahedron shape integrally, the upper half portion ofthe throttler is provided with a gas inlet chamber, and the gas inlet chamber is peripherally and uniformly provided with gas inlet threaded holes communicated with the gas inlet chamber to inwardly lead gas provided by an external high-pressure gas source. The lower half portion of the throttler is provided with a throttling portion, the upper surface of the throttling portion is provided with small gas inlet holes including an axial center throttling hole and a plurality of wedged throttling holes in central symmetric distribution on the periphery of the center throttling hole, the wedged throttling holes are communicated with a gas film gap, and the center throttling hole is communicated with a gas supply chamber. The lower surface of the throttling portion is provided with the bezier curve uniform-pressure grooves, starting from the center throttling hole, in central symmetrical distribution around the geometric center of the throttler. The extendable honeycombed gas static throttler has advantages of high structural stability, high gas film rigidity, flexibility and changeability in throttling area and the like and has a promising market prospect.
Description
technical field [0001] The invention relates to an expandable honeycomb gas static pressure restrictor with a Bezier curve equalizing groove, which is used for providing axial thrust. Background technique [0002] The rapid development of modern precision machining and precision measurement technology poses more severe challenges to precision control. Gas lubrication technology has gained a lot of advantages in the field of precision manufacturing with its high speed adaptability, high operating life, high precision, low wear, and low pollution. Wide range of applications. However, due to the relatively low viscosity of the gas, problems such as relatively low stiffness and poor stability of the gas film have plagued people for a long time. How to improve the system's carrying capacity, operational stability and safety has become a research hotspot in recent years. As the most intuitive case of applying gas lubrication technology, the gas static pressure restrictor system h...
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IPC IPC(8): F16C32/06F15D1/00
CPCF15D1/00F16C32/06
Inventor 谢永慧李良梁张荻
Owner XI AN JIAOTONG UNIV