CN1632334A - Split type chevron-notch dynamical and static pressure gas composite conical bearing - Google Patents
Split type chevron-notch dynamical and static pressure gas composite conical bearing Download PDFInfo
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- CN1632334A CN1632334A CN 200510009635 CN200510009635A CN1632334A CN 1632334 A CN1632334 A CN 1632334A CN 200510009635 CN200510009635 CN 200510009635 CN 200510009635 A CN200510009635 A CN 200510009635A CN 1632334 A CN1632334 A CN 1632334A
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Abstract
The invention relates to a mixed type helical groove dynamical and static pressure gas composite thrust bearing, which is high speed, high rigidity, big load and ultraprecise. On the working surface of the thrust bearing, static pressure air-floating air feed point distributed at two sides of the circle respectively opens herringbone dynamical pressure groove. The bearing capacity of the bearing is improved more than 30% compared to the traditional static pressure air-floating bearing in the circumstance of not adding the gas consumption of the air-floating bearing and the bearing rigidity is improved more than 15% compared to the static pressure air-floating bearing.
Description
Technical field
The present invention relates to a kind of dynamical and static pressure gas compound conical bearing, especially ultraprecise, ultra high speed gas conic bearing.
Background technique
At present, the static pressure gas conic bearing that uses in the engineering, only utilize static pressure air-bearing to come bearing load and rigidity is provided, usually run in the middle of practical application that bearing capacity is low, rigidity is little, the problem of poor anti jamming capability, the static pressure gas conic bearing that uses in the engineering do not make full use of bearing capacity that the dynamic pressure effect of high rotating speed or linear velocity can provide and rigidity (the 7th piece-gas bearing .2002 of " mechanical design handbook " second volume the 4th edition, Chemical Industry Press.; The 40 piece of chapter 9 in " mechanical design handbook " Volume Four-gas bearing .2003 second edition, China Machine Press .).
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the above-mentioned technology, the compound conical bearing of separated chevron-notch dynamical and static pressure gas of a kind of high rigidity, high bearing capacity is provided.
For achieving the above object, the technical solution used in the present invention is on the conical bearing working surface, and static pressure air-bearing air feed point distribution circle both sides have man type dynamic pressure groove.
Described man type dynamic pressure groove middle part communicates or is obstructed.
The man type dynamic pressure groove of described static pressure air-bearing air feed point distribution circle both sides communicates or is obstructed.
The man type dynamic pressure groove of the described static pressure air-bearing air feed point distribution circle both sides outside has envelope gas limit or does not have envelope gas limit, i.e. the man type dynamic pressure groove outside does not have that envelope gas limit is that the man type dynamic pressure groove outside has envelope gas limit but the width on envelope gas limit is 0 special case.
The circumferencial direction of described conical bearing working surface upper edge static pressure air-bearing air feed point distribution circle has or does not have a plurality of balancing slits that communicate with both sides man type dynamic pressure groove.
Described static pressure air-bearing air feed point is single layout or double layout.
Described static pressure air-bearing air feed point is hole or slit or the hole of filling with the material that has pore.
Described static pressure air-bearing air feed point and man type dynamic pressure groove on the same working surface or with the corresponding working surface of working surface that has man type dynamic pressure groove on.
Advantage of the present invention
(1) bearing load carrying capacity improves more than 30% than traditional static pressure air-bearing conical bearing.
(2) bearing rigidity improves more than 15% than traditional static pressure air-bearing conical bearing.
Description of drawings
Accompanying drawing 1 is that the static pressure air-bearing air feed is put 3 distribution circle both sides and had the man type dynamic pressure groove 2 that do not communicate of middle part on conical bearing working surface 1, and man type dynamic pressure groove 2 outsides have the internal conical surface schematic representation on envelope gas limit 4.
Accompanying drawing 2 is that the static pressure air-bearing air feed is put 7 distribution circle both sides and had the man type dynamic pressure groove 6 that do not communicate of middle part on conical bearing working surface 5, and man type dynamic pressure groove 6 outsides have the outer conical surface schematic representation on envelope gas limit 8.
Accompanying drawing 3 is that the static pressure air-bearing air feed is put 11 distribution circle both sides and had the man type dynamic pressure groove 10 that communicates of middle part on conical bearing working surface 9, and man type dynamic pressure groove 10 outsides have the internal conical surface schematic representation on envelope gas limit 12.
Accompanying drawing 4 is that the static pressure air-bearing air feed is put 15 distribution circle both sides and had the man type dynamic pressure groove 14 that communicates of middle part on conical bearing working surface 13, and man type dynamic pressure groove 14 outsides have the outer conical surface schematic representation on envelope gas limit 16.
Accompanying drawing 5 is that the static pressure air-bearing air feed is put 19 distribution circle both sides and had the man type dynamic pressure groove 18 that communicates of middle part on conical bearing working surface 17, the man type dynamic pressure groove 18 that the static pressure air-bearing air feed is put 19 distribution circle both sides communicates, and man type dynamic pressure groove 18 outsides have the internal conical surface schematic representation on envelope gas limit 20.
Accompanying drawing 6 is that the static pressure air-bearing air feed is put 23 distribution circle both sides and had the man type dynamic pressure groove 22 that communicates of middle part on conical bearing working surface 21, the man type dynamic pressure groove 22 that the static pressure air-bearing air feed is put 23 distribution circle both sides communicates, and man type dynamic pressure groove 22 outsides have the outer conical surface schematic representation on envelope gas limit 24.
Accompanying drawing 7 is that the static pressure air-bearing air feed is put 27 double layouts on conical bearing working surface 25, the static pressure air-bearing air feed is put 27 distribution circle both sides and is had the man type dynamic pressure groove 26 that the middle part does not communicate, and man type dynamic pressure groove 26 outsides have the internal conical surface schematic representation on envelope gas limit 28.
Accompanying drawing 8 is that the static pressure air-bearing air feed is put 31 double layouts on conical bearing working surface 29, the static pressure air-bearing air feed is put 31 distribution circle both sides and is had the man type dynamic pressure groove 30 that the middle part does not communicate, and man type dynamic pressure groove 30 outsides have the outer conical surface schematic representation on envelope gas limit 32.
Accompanying drawing 9 is that the static pressure air-bearing air feed is put 35 double layouts on conical bearing working surface 33, the static pressure air-bearing air feed is put 35 distribution circle both sides and is had the man type dynamic pressure groove 34 that the middle part communicates, and man type dynamic pressure groove 34 outsides have the internal conical surface schematic representation on envelope gas limit 36.
Accompanying drawing 10 is that the static pressure air-bearing air feed is put 39 double layouts on conical bearing working surface 37, the static pressure air-bearing air feed is put 39 distribution circle both sides and is had the man type dynamic pressure groove 38 that the middle part communicates, and man type dynamic pressure groove 38 outsides have the outer conical surface schematic representation on envelope gas limit 40.
Accompanying drawing 11 is that the static pressure air-bearing air feed is put 43 distribution circle both sides and had the man type dynamic pressure groove 42 that communicates of middle part on conical bearing working surface 41, the circumferencial direction of putting 43 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 45 that communicate with both sides man type dynamic pressure groove 42, and man type dynamic pressure groove 42 outsides have the internal conical surface schematic representation on envelope gas limit 44.
Accompanying drawing 12 is that the static pressure air-bearing air feed is put 48 distribution circle both sides and had the man type dynamic pressure groove 47 that communicates of middle part on conical bearing working surface 46, the circumferencial direction of putting 48 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 50 that communicate with both sides man type dynamic pressure groove 47, and man type dynamic pressure groove 47 outsides have the outer conical surface schematic representation on envelope gas limit 49.
Accompanying drawing 13 is that the static pressure air-bearing air feed is put 53 double layouts on conical bearing working surface 51, the static pressure air-bearing air feed is put 53 distribution circle both sides and is had the man type dynamic pressure groove 52 that the middle part communicates, the circumferencial direction of putting 53 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 55 that communicate with both sides man type dynamic pressure groove 52, and man type dynamic pressure groove 52 outsides have the internal conical surface schematic representation on envelope gas limit 54.
Accompanying drawing 14 is that the static pressure air-bearing air feed is put 58 double layouts on conical bearing working surface 56, the static pressure air-bearing air feed is put 58 distribution circle both sides and is had the man type dynamic pressure groove 57 that the middle part communicates, the circumferencial direction of putting 58 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 60 that communicate with both sides man type dynamic pressure groove 57, and man type dynamic pressure groove 57 outsides have the outer conical surface schematic representation on envelope gas limit 59.
Accompanying drawing 15 is described static pressure air-bearing air feed point 63 and the schematic representation of man type dynamic pressure groove 62 on same working surface 61.
Accompanying drawing 16 are described static pressure air-bearing air feed points 66 with the working surface 64 corresponding working surfaces that have man type dynamic pressure groove 65 on schematic representation.
Accompanying drawing 17 is schematic representation that described static pressure air-bearing air feed point 67 is holes.
Accompanying drawing 18 is schematic representation that described static pressure air-bearing air feed point 68 is slits.
Accompanying drawing 19 is that described static pressure air-bearing air feed point 69 is the schematic representation with the hole of material 70 fillings that have pore.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
By Fig. 1-Figure 19 as can be known, the present invention is: on the conical bearing working surface, static pressure air-bearing air feed point distribution circle both sides have man type dynamic pressure groove.
Described man type dynamic pressure groove middle part communicates or is obstructed.
The man type dynamic pressure groove of described static pressure air-bearing air feed point distribution circle both sides communicates or is obstructed.
The man type dynamic pressure groove of the described static pressure air-bearing air feed point distribution circle both sides outside has envelope gas limit or does not have envelope gas limit, i.e. the man type dynamic pressure groove outside does not have that envelope gas limit is that the man type dynamic pressure groove outside has envelope gas limit but the width on envelope gas limit is 0 special case.
The circumferencial direction of described conical bearing working surface upper edge static pressure air-bearing air feed point distribution circle has or does not have a plurality of balancing slits that communicate with both sides man type dynamic pressure groove.
Described static pressure air-bearing air feed point is single layout or double layout.
Described static pressure air-bearing air feed point is hole or slit or the hole of filling with the material that has pore.
Described static pressure air-bearing air feed point and man type dynamic pressure groove on the same working surface or with the corresponding working surface of working surface that has man type dynamic pressure groove on.
Specific embodiment
Embodiment 1:
As shown in Figure 1, the static pressure air-bearing air feed is put 3 distribution circle both sides and is had the man type dynamic pressure groove 2 that the middle part does not communicate on conical bearing working surface 1, and man type dynamic pressure groove 2 outsides have the internal conical surface on envelope gas limit 4, are equipped with smooth outer conical surface.
Embodiment 2:
As shown in Figure 2, the static pressure air-bearing air feed is put 7 distribution circle both sides and is had the man type dynamic pressure groove 6 that the middle part does not communicate on conical bearing working surface 5, and man type dynamic pressure groove 6 outsides have the outer conical surface on envelope gas limit 8, are equipped with smooth internal conical surface.
Embodiment 3:
As shown in Figure 3, the static pressure air-bearing air feed is put 11 distribution circle both sides and is had the man type dynamic pressure groove 10 that the middle part communicates on conical bearing working surface 9, and man type dynamic pressure groove 10 outsides have the internal conical surface on envelope gas limit 12, are equipped with smooth outer conical surface.
Embodiment 4:
As shown in Figure 4, the static pressure air-bearing air feed is put 15 distribution circle both sides and is had the man type dynamic pressure groove 14 that the middle part communicates on conical bearing working surface 13, and man type dynamic pressure groove 14 outsides have the outer conical surface on envelope gas limit 16, are equipped with smooth internal conical surface.
Embodiment 5:
As shown in Figure 5, the static pressure air-bearing air feed is put 19 distribution circle both sides and is had the man type dynamic pressure groove 18 that the middle part communicates on conical bearing working surface 17, the man type dynamic pressure groove 18 that the static pressure air-bearing air feed is put 19 distribution circle both sides communicates, man type dynamic pressure groove 18 outsides have the internal conical surface on envelope gas limit 20, are equipped with smooth outer conical surface.
Embodiment 6:
As shown in Figure 6, the static pressure air-bearing air feed is put 23 distribution circle both sides and is had the man type dynamic pressure groove 22 that the middle part communicates on conical bearing working surface 21, the man type dynamic pressure groove 22 that the static pressure air-bearing air feed is put 23 distribution circle both sides communicates, man type dynamic pressure groove 22 outsides have the outer conical surface on envelope gas limit 24, are equipped with smooth internal conical surface.
Embodiment 7:
As shown in Figure 7, the static pressure air-bearing air feed is put 27 double layouts on conical bearing working surface 25, the static pressure air-bearing air feed is put 27 distribution circle both sides and is had the man type dynamic pressure groove 26 that the middle part does not communicate, man type dynamic pressure groove 26 outsides have the internal conical surface on envelope gas limit 28, are equipped with smooth outer conical surface.
Embodiment 8:
As shown in Figure 8, the static pressure air-bearing air feed is put 31 double layouts on conical bearing working surface 29, the static pressure air-bearing air feed is put 31 distribution circle both sides and is had the man type dynamic pressure groove 30 that the middle part does not communicate, man type dynamic pressure groove 30 outsides have the outer conical surface on envelope gas limit 32, are equipped with smooth internal conical surface.
Embodiment 9:
As shown in Figure 9, the static pressure air-bearing air feed is put 35 double layouts on conical bearing working surface 33, the static pressure air-bearing air feed is put 35 distribution circle both sides and is had the man type dynamic pressure groove 34 that the middle part communicates, and man type dynamic pressure groove 34 outsides have the internal conical surface on envelope gas limit 36, are equipped with smooth outer conical surface.
Embodiment 10:
As shown in Figure 10, the static pressure air-bearing air feed is put 39 double layouts on conical bearing working surface 37, the static pressure air-bearing air feed is put 39 distribution circle both sides and is had the man type dynamic pressure groove 38 that the middle part communicates, man type dynamic pressure groove 38 outsides have the outer conical surface on envelope gas limit 40, are equipped with smooth internal conical surface.
Embodiment 11:
As shown in Figure 11, the static pressure air-bearing air feed is put 43 distribution circle both sides and is had the man type dynamic pressure groove 42 that the middle part communicates on conical bearing working surface 41, the circumferencial direction of putting 43 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 45 that communicate with both sides man type dynamic pressure groove 42, man type dynamic pressure groove 42 outsides have the internal conical surface on envelope gas limit 44, are equipped with smooth outer conical surface.
Embodiment 12:
As shown in Figure 12, the static pressure air-bearing air feed is put 48 distribution circle both sides and is had the man type dynamic pressure groove 47 that the middle part communicates on conical bearing working surface 46, the circumferencial direction of putting 48 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 50 that communicate with both sides man type dynamic pressure groove 47, man type dynamic pressure groove 47 outsides have the outer conical surface on envelope gas limit 49, are equipped with smooth internal conical surface.
Embodiment 13:
As shown in Figure 13, the static pressure air-bearing air feed is put 53 double layouts on conical bearing working surface 51, the static pressure air-bearing air feed is put 53 distribution circle both sides and is had the man type dynamic pressure groove 52 that the middle part communicates, the circumferencial direction of putting 53 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 55 that communicate with both sides man type dynamic pressure groove 52, man type dynamic pressure groove 52 outsides have the internal conical surface on envelope gas limit 54, are equipped with smooth outer conical surface.
Embodiment 14:
As shown in Figure 14, the static pressure air-bearing air feed is put 58 double layouts on conical bearing working surface 56, the static pressure air-bearing air feed is put 58 distribution circle both sides and is had the man type dynamic pressure groove 57 that the middle part communicates, the circumferencial direction of putting 58 distribution circles along the static pressure air-bearing air feed has a plurality of balancing slits 60 that communicate with both sides man type dynamic pressure groove 57, man type dynamic pressure groove 57 outsides have the outer conical surface on envelope gas limit 59, are equipped with smooth internal conical surface.
Claims (8)
1. chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: on the conical bearing working surface, static pressure air-bearing air feed point distribution circle both sides have man type dynamic pressure groove.
2. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: described man type dynamic pressure groove middle part communicates or is obstructed.
3. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: the man type dynamic pressure groove of described static pressure air-bearing air feed point distribution circle both sides communicates or is obstructed.
4. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: the man type dynamic pressure groove outside of described static pressure air-bearing air feed point distribution circle both sides has envelope gas limit or does not have envelope gas limit.
5. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: the circumferencial direction of described conical bearing working surface upper edge static pressure air-bearing air feed point distribution circle has or does not have a plurality of balancing slits that communicate with both sides man type dynamic pressure groove.
6. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: described static pressure air-bearing air feed point is single layout or double layout.
7. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: described static pressure air-bearing air feed point is hole or slit or the hole of filling with the material that has pore.
8. as claim 1 described chevron-notch dynamic and static pressure composite gas conic bearing, it is characterized in that: described static pressure air-bearing air feed point and man type dynamic pressure groove on the same working surface or with the corresponding working surface of working surface that has man type dynamic pressure groove on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510009635 CN1632334A (en) | 2005-01-18 | 2005-01-18 | Split type chevron-notch dynamical and static pressure gas composite conical bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510009635 CN1632334A (en) | 2005-01-18 | 2005-01-18 | Split type chevron-notch dynamical and static pressure gas composite conical bearing |
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| CN1632334A true CN1632334A (en) | 2005-06-29 |
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|---|---|---|---|
| CN 200510009635 Pending CN1632334A (en) | 2005-01-18 | 2005-01-18 | Split type chevron-notch dynamical and static pressure gas composite conical bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438702A (en) * | 2016-11-22 | 2017-02-22 | 江苏工大金凯高端装备制造有限公司 | Aerostatic air-floating bearing |
| CN113161217A (en) * | 2021-04-16 | 2021-07-23 | 中国工程物理研究院机械制造工艺研究所 | Large-bearing radial liquid metal bearing |
-
2005
- 2005-01-18 CN CN 200510009635 patent/CN1632334A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438702A (en) * | 2016-11-22 | 2017-02-22 | 江苏工大金凯高端装备制造有限公司 | Aerostatic air-floating bearing |
| CN113161217A (en) * | 2021-04-16 | 2021-07-23 | 中国工程物理研究院机械制造工艺研究所 | Large-bearing radial liquid metal bearing |
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Owner name: HARBIN INSTITUTE OF TECHNOLOGY Free format text: FORMER OWNER: HARBIN INSTITUTE OF TECHNOLOGY; YAO SHAOMING Effective date: 20060929 |
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Effective date of registration: 20060929 Address after: 150001 No. 92 West straight street, Harbin, Heilongjiang Applicant after: Harbin Institute of Technology Address before: 150001 No. 92 West straight street, Harbin, Heilongjiang Applicant before: Harbin Institute of Technology Co-applicant before: Yao Shaoming |
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