CN103195813B - Novel bearing body of hollow axial hydrostatic bearing - Google Patents
Novel bearing body of hollow axial hydrostatic bearing Download PDFInfo
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- CN103195813B CN103195813B CN201310154179.1A CN201310154179A CN103195813B CN 103195813 B CN103195813 B CN 103195813B CN 201310154179 A CN201310154179 A CN 201310154179A CN 103195813 B CN103195813 B CN 103195813B
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- 230000002706 hydrostatic effect Effects 0.000 title claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
本发明公开了一种中空轴式静压轴承的新型轴承体，其轴承体上具有油腔、两条集束油沟、小于二分之一内圆柱面孔、轴向减重孔、横向减重孔和多条加强筋，横向减重孔与轴向减重孔垂直；油腔是由一个主油腔、两个辅助油腔和一个补油腔构成，主油腔是三列并联多出油孔的工字型油腔，两个辅助油腔是与主油腔对称分布的两列并联多出油孔的等腰梯形油腔，补油腔是单列串联双出油孔的矩形油腔；轴承体上具有多条水平进油道和垂直进油道，每列出油孔通过水平进油道和垂直进油道连通；该轴承体调心性能好，轴承体强重比小，油腔的结构形式利于形成沿周向呈半周正玄曲线的油膜压力分布，多出油孔和集束油沟形式利于形成沿轴向压力均匀的油膜，轴承体的承载能力大。
The invention discloses a novel bearing body of a hollow shaft static pressure bearing. The bearing body is provided with an oil cavity, two clustered oil grooves, an inner cylindrical surface hole less than one-half, an axial weight-reducing hole, and a transverse weight-reducing hole. And a number of reinforcing ribs, the horizontal weight-reducing hole is perpendicular to the axial weight-reducing hole; the oil chamber is composed of a main oil chamber, two auxiliary oil chambers and a supplementary oil chamber, and the main oil chamber is three rows in parallel with multiple oil outlet holes The I-shaped oil chamber, the two auxiliary oil chambers are isosceles trapezoidal oil chambers that are symmetrically distributed with the main oil chamber in two rows in parallel and multiple oil outlets, and the oil supply chamber is a rectangular oil chamber with single row series and double oil outlets; the bearing There are multiple horizontal oil inlet passages and vertical oil inlet passages on the body, and each listed oil hole is connected through horizontal oil inlet passages and vertical oil inlet passages; the bearing body has good centering performance, the bearing body has a small strength-to-weight ratio, and the The structural form is conducive to the formation of oil film pressure distribution along the circumferential direction in a semicircular sinusoidal curve, and the form of multiple oil outlets and clustered oil grooves is conducive to the formation of an oil film with uniform pressure along the axial direction, and the bearing body has a large bearing capacity.
Description
技术领域 technical field
本发明涉及一种静压轴承的轴承体，特别涉及一种中空轴式静压轴承的新型轴承体。The invention relates to a bearing body of a static pressure bearing, in particular to a novel bearing body of a hollow shaft type static pressure bearing.
背景技术 Background technique
球磨机的规格不断增大，对静压轴承的承载能力的要求不断提高，轴承体调心性能、轴承体强度和刚度及其上油腔的结构形式至关重要。The specifications of the ball mill continue to increase, and the requirements for the load-carrying capacity of the hydrostatic bearing continue to increase. The self-aligning performance of the bearing body, the strength and stiffness of the bearing body and the structure of the oil chamber are very important.
发明内容 Contents of the invention
本发明的目的是提供一种中空轴式静压轴承的新型轴承体机。The purpose of the present invention is to provide a new type of bearing body machine of hollow shaft hydrostatic bearing.
本发明之轴承体上具有油腔、两条集束油沟、小于半圆柱面孔凹槽、轴向减重孔、横向减重孔和多条加强筋，横向减重孔与轴向减重孔垂直；油腔是由一个主油腔、两个辅助油腔和一个补油腔构成，主油腔是三列并联多出油孔的工字型油腔，两个辅助油腔是与主油腔对称分布的两列并联多出油孔的等腰梯形油腔，补油腔是单列串联双出油孔的矩形油腔；轴承体上具有多条水平进油道和垂直进油道，每列出油孔通过水平进油道与垂直进油道连通。The bearing body of the present invention has an oil cavity, two clustered oil grooves, a groove smaller than a half-cylindrical surface, an axial weight-reducing hole, a transverse weight-reducing hole and a plurality of reinforcing ribs, and the transverse weight-reducing hole is perpendicular to the axial weight-reducing hole ;The oil chamber is composed of a main oil chamber, two auxiliary oil chambers and a supplementary oil chamber. Symmetrically distributed two rows of isosceles trapezoidal oil chambers connected in parallel with multiple oil outlets; The oil outlet hole communicates with the vertical oil inlet through the horizontal oil inlet.
本发明的有益效果：Beneficial effects of the present invention:
轴承体调心性能好，轴承体强重比大，油腔的结构形式利于形成沿周向呈半周正玄曲线的油膜压力分布，多出油孔和集束油沟形式利于形成沿轴向压力均匀的油膜，轴承体的承载能力大。The self-aligning performance of the bearing body is good, the strength-to-weight ratio of the bearing body is large, the structure of the oil chamber is conducive to the formation of oil film pressure distribution along the circumferential direction in a half-circle sinusoidal curve, and the form of multiple oil outlet holes and clustered oil grooves is conducive to the formation of uniform pressure along the axial direction The oil film, the bearing capacity of the bearing body is large.
附图说明 Description of drawings
图1是本发明的立体示意图。Fig. 1 is a schematic perspective view of the present invention.
图2是本发明的立体剖视示意图。Fig. 2 is a schematic perspective view of the present invention.
图3是本发明的侧视图。Figure 3 is a side view of the present invention.
具体实施方式 Detailed ways
请参阅图1、图2和图3所示，本发明之轴承体10上具有油腔101、两条集束油沟105、小于半圆柱面孔凹槽106、轴向减重孔100、横向减重孔110和多条加强筋111，横向减重孔110与轴向减重孔100垂直；油腔101是由一个主油腔102、两个辅助油腔103和一个补油腔104构成，主油腔102是三列并联多出油孔109的工字型油腔，两个辅助油腔103是与主油腔102对称分布的两列并联多出油孔109的等腰梯形油腔，补油腔104是单列串联双出油孔109的矩形油腔；轴承体10上具有多条水平进油道107和垂直进油道108，每列出油孔109通过水平进油道107与垂直进油道108连通。Please refer to Fig. 1, Fig. 2 and Fig. 3, the bearing body 10 of the present invention has an oil cavity 101, two cluster oil grooves 105, a groove 106 smaller than a semi-cylindrical surface, an axial weight-reducing hole 100, and a lateral weight-reducing hole. The hole 110 and a plurality of ribs 111, the horizontal weight-reducing hole 110 is perpendicular to the axial weight-reducing hole 100; the oil chamber 101 is composed of a main oil chamber 102, two auxiliary oil chambers 103 and a supplementary oil chamber 104, the main oil chamber The chamber 102 is an I-shaped oil chamber with three rows of parallel connections and multiple oil outlets 109, and the two auxiliary oil chambers 103 are isosceles trapezoidal oil chambers with two rows of parallel connections and multiple oil outlets 109 symmetrically distributed with the main oil chamber 102. The chamber 104 is a rectangular oil chamber with double oil outlet holes 109 in series in a single row; the bearing body 10 has multiple horizontal oil inlet passages 107 and vertical oil inlet passages 108, and each listed oil hole 109 passes through the horizontal oil inlet passage 107 and the vertical oil inlet passage. Road 108 connects.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154179.1A CN103195813B (en) | 2013-04-28 | 2013-04-28 | Novel bearing body of hollow axial hydrostatic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154179.1A CN103195813B (en) | 2013-04-28 | 2013-04-28 | Novel bearing body of hollow axial hydrostatic bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195813A CN103195813A (en) | 2013-07-10 |
| CN103195813B true CN103195813B (en) | 2015-05-20 |
Family
ID=48718550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154179.1A Expired - Fee Related CN103195813B (en) | 2013-04-28 | 2013-04-28 | Novel bearing body of hollow axial hydrostatic bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN103195813B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH430343A (en) * | 1962-03-06 | 1967-02-15 | Landis Gendron S A | Device for radial holding without mechanical friction of a rotary shaft in a fixed part integral with a frame |
| DE2351494A1 (en) * | 1973-10-13 | 1975-04-24 | Skf Kugellagerfabriken Gmbh | HYDROSTATIC WHEEL BEARING |
| FR2675863B1 (en) * | 1991-04-25 | 1994-10-21 | Rexroth Mannesmann Gmbh | RADIAL HYDROSTATIC POCKET BEARING FOR A SERVO CYLINDER. |
| CN2302848Y (en) * | 1997-05-08 | 1999-01-06 | 李宪章 | High-efficiency, energy-saving and drum-shaped milling machine |
| CN201053451Y (en) * | 2007-06-15 | 2008-04-30 | 辽宁科技大学 | Double static pressure ball grinder main bearing |
| CN201316653Y (en) * | 2008-12-16 | 2009-09-30 | 朱鑫祥 | Dustless, energy-saving cement ball mill with crossed cambered surface open type hydrostatic bearing |
| CN202560844U (en) * | 2012-04-20 | 2012-11-28 | 济南重工股份有限公司 | Main bearing bush of ball mill |
| CN203202023U (en) * | 2013-04-28 | 2013-09-18 | 昆明学院 | Novel bearing body of hollow shaft type hydrostatic bearing |
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2013
- 2013-04-28 CN CN201310154179.1A patent/CN103195813B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103195813A (en) | 2013-07-10 |
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Granted publication date: 20150520 Termination date: 20170428 |
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