CN107795381B - A kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor - Google Patents
A kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor Download PDFInfo
- Publication number
- CN107795381B CN107795381B CN201711180348.3A CN201711180348A CN107795381B CN 107795381 B CN107795381 B CN 107795381B CN 201711180348 A CN201711180348 A CN 201711180348A CN 107795381 B CN107795381 B CN 107795381B
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- China
- Prior art keywords
- catch ring
- bearing
- oil catch
- sliding oil
- sliding
- Prior art date
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- 239000000446 fuel Substances 0.000 title claims abstract description 33
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 78
- 230000000694 effects Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010892 electric spark Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 229910000601 superalloy Inorganic materials 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The lubricating oil collection structure of a kind of bearing radial direction fuel feeding between rotor of the invention, comprising: the sliding oil catch ring of first be set on low-pressure turbine axle journal and the second sliding oil catch ring, the first sliding oil catch ring and the second sliding oil catch ring are respectively arranged at bearing two sides；First sliding oil catch ring and the second sliding oil catch ring and low-pressure turbine axle journal and bearing retainer cooperatively form pre- collection chamber and collection chamber, lubricating oil is entered in pre- collection chamber by the fuel feed hole on low-pressure turbine axle journal, it is got rid of and is become owner of in collection chamber by the oil outlet on sliding oil catch ring by the centrifugal force of rotation again, and flow into bearing roller lubrication bearing.Lubricating oil collection structure of the invention is novel in design, simple, practical, easy to assembly, quick, bearing roller is enable to obtain sufficient oil lubrication, improves security reliability.
Description
Technical field
The present invention relates to fanjet fueling technologies, more particularly to a kind of lubricating oil of bearing radial direction fuel feeding between rotor
Collection structure.
Background technique
The fuel system of bearing is lateral fuel feeding between the rotor of traditional fanjet, is unable to satisfy the abundant profit of bearing
It is sliding and cooling, it is slided so as to cause bearing roller and the Frequent Troubles such as rubs, peels off, damages.To solve this problem, increase the fuel feeding of bearing
Amount need to study a kind of new fuel supply method, to collect more lubricating oil.
Summary of the invention
The embodiment of the present invention provides a kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor, can make bearing between rotor
More oil flows can be obtained, optimal lubricant effect can be reached.
The present invention provides a kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor, comprising: is set in low-pressure turbine
The first sliding oil catch ring and the second sliding oil catch ring on axle journal, the described first sliding oil catch ring and the second sliding oil catch ring difference
It is set to bearing two sides；Described first sliding oil catch ring is hierarchic structure ring, and the end face of small inner-diameter portion is resisted against described low
Only leaning on end face for journal turbine is pressed, the end face of imperial palace path portion is resisted against in bearing on steel bushing；First slides the small of oil catch ring
Inner-diameter portion and the cooperation of low-pressure turbine axle journal outer peripheral surface are fixed, and imperial palace path portion and low-pressure turbine axle journal outer peripheral surface cooperatively form the
One pre- collection chamber, imperial palace path portion and bearing retainer cooperatively form the first main collection chamber；Described second sliding oil catch ring is rank
Terraced structure ring, by nut axial compression, the end face of imperial palace path portion is resisted against in bearing on steel bushing small inner-diameter portion；Second
The small inner-diameter portion of sliding oil catch ring and the cooperation of low-pressure turbine axle journal outer peripheral surface are fixed, outside imperial palace path portion and low-pressure turbine axle journal
Circumferential surface cooperatively forms the second pre- collection chamber, and imperial palace path portion and bearing retainer cooperatively form the second main collection chamber；The low pressure
The part of the corresponding first pre- collection chamber of journal turbine and the second pre- collection chamber offers multiple fuel feed holes, and first lubricating oil is collected
The imperial palace path portion of ring and the second sliding oil catch ring all offers multiple oil outlets.
In the lubricating oil collection structure of the bearing radial direction fuel feeding of the invention between rotor, described first slides the small of oil catch ring
Inner-diameter portion outwardly protrudes to form stairstepping outer rim to reinforce oil-collecting effect.
In the lubricating oil collection structure of the bearing radial direction fuel feeding of the invention between rotor, described second slides the small of oil catch ring
Inner-diameter portion outwardly protrudes to form outer rim to reinforce oil-collecting effect.
In the lubricating oil collection structure of the bearing radial direction fuel feeding of the invention between rotor, the first sliding oil catch ring and the
Two sliding oil catch rings are shaped by being machined to superalloy annular forging, then are processed by electric spark mode multiple fuel-displaced
Hole.
The present invention provides a kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor, and parts structure is simple, is convenient for
Processing, on the assembly technology of original other parts without influence.Have by way of forming oil trap for bearing radial direction fuel feeding simultaneously
Conducive to the lubrication of bearing, its expected purpose is fully meet, improves the use reliability of bearing between rotor, separate unit can be saved
Manufacture, assembly etc. about 150,000 yuan of expense of links, and caused by can avoid because of bearing damage other parts economic loss.
Detailed description of the invention
Fig. 1 is a kind of assembling schematic diagram of the lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the invention；
Fig. 2 is the semi-cutaway of the first sliding oil catch ring of the invention；
Fig. 3 is the semi-cutaway of the second sliding oil catch ring of the invention.
Specific embodiment
In order to which the lateral fuel delivery for solving original fueller is insufficient, the problem of lubricant effect difference, while again cannot be to whole
Body assembling structure has an impact, i.e., axial dimension cannot change, and radial dimension small can only change, therefore need to consider a kind of new oil-collecting side
Formula.Based on this consideration, the present invention devises the radial fuel feeding of this realization, and it is axis that collection chamber, which is collectively formed, in fitted bearing retainer
Hold the structure type of fuel feeding.
A kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the invention includes: the first lubricating oil as shown in Figure 1
Collect ring 1 and the second sliding oil catch ring 2.First sliding oil catch ring 1 and the second sliding oil catch ring 2 are set in low-pressure turbine axle journal 3
On, and it is respectively arranged at bearing two sides.First sliding oil catch ring 1 and the second sliding oil catch ring 2 need to be with the bearings with oil collecting function
Retainer 5 is used cooperatively, and be can be implemented as bearing and is increased fuel delivery, promotes the effect of lubricant effect.
As shown in Fig. 2, the first sliding oil catch ring 1 is hierarchic structure ring, the end face of small inner-diameter portion is resisted against described low
Only leaning on end face 32 for journal turbine 3 is pressed, the end face of imperial palace path portion is resisted against in bearing on steel bushing 4.First sliding oil catch ring 1
Small inner-diameter portion and the cooperation of 3 outer peripheral surface of low-pressure turbine axle journal fix, imperial palace path portion and 3 outer peripheral surface of low-pressure turbine axle journal cooperate
The first pre- collection chamber 11 is formed, imperial palace path portion and bearing retainer 5 cooperatively form the first main collection chamber 12.First lubricating oil is collected
The small inner-diameter portion of ring 1 outwardly protrudes to form stairstepping outer rim 14 to reinforce oil-collecting effect.
As shown in figure 3, the second sliding oil catch ring 2 is hierarchic structure ring, small inner-diameter portion is by nut axial compression, greatly
The end face of inner-diameter portion is resisted against the other side of steel bushing 4 in bearing；The small inner-diameter portion and low-pressure turbine of second sliding oil catch ring 2
The cooperation of 3 outer peripheral surface of axle journal is fixed, and imperial palace path portion and 3 outer peripheral surface of low-pressure turbine axle journal cooperatively form the second pre- collection chamber 21, greatly
Inner-diameter portion and bearing retainer 5 cooperatively form the second main collection chamber 22.The small inner-diameter portion convex of second sliding oil catch ring 2
Form outer rim 24 out to reinforce oil-collecting effect.
The part of the corresponding first pre- collection chamber 11 of low-pressure turbine axle journal 3 and the second pre- collection chamber 21 offers multiple fuel feed holes
31, the imperial palace path portion of the first sliding oil catch ring 1 all offers multiple first oil outlets 13.The imperial palace of second sliding oil catch ring 2
Path portion all offers multiple second oil outlets 23.First sliding oil catch ring 1 and the second sliding oil catch ring 2 are by closing high temperature
Golden annular forging piece machining forming, then the first oil outlet 13 and the second oil outlet 23 are processed by electric spark mode.It is all complete
Cheng Houxu detects the oil flow of cooling oil outlet using specific purpose tool.Then match with the bearing retainer 5 with oil collecting function
It closes and uses.
Lubricating oil enters the first sliding oil catch ring 1 and the second sliding oil catch ring 2 by the fuel feed hole 31 on low-pressure turbine axle journal 3
Pass through in the first pre- collection chamber 11 and the second pre- collection chamber 21 of the formation of low-pressure turbine axle journal 3, then by the centrifugal force of rotation
The first oil outlet 13 and the second oil outlet 23 being correspondingly arranged on first sliding oil catch ring 1 and the second sliding oil catch ring 2 are thrown away, into
Enter the first main collection chamber 12 and the second main collection that the first sliding oil catch ring 1 and the second sliding oil catch ring 2 are formed with bearing retainer 5
In oil pocket 22, and flow into bearing roller lubrication bearing.This apparatus structure is novel in design, simple, practical, easy to assembly, quick, make
Bearing roller can obtain sufficient oil lubrication, improve security reliability.
A kind of assembling process of the lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the invention is as follows:
The first step, by the first sliding oil catch ring 1 pass through the installation of 3 mating surface of low-pressure turbine axle journal act against axle journal only by holding
On face 32；
Second step passes through 3 mating surface of low-pressure turbine axle journal and pacifies after steel bushing 4, bearing retainer 5, roller install in bearing
Dress acts against on the first sliding oil catch ring 1；
Second sliding oil catch ring 2 is passed through the installation of 3 mating surface of low-pressure turbine axle journal and acts against steel bushing 4 in bearing by third step
On；
The high-pressure turbine axle journal 7 for being mounted with bearing outer steel sleeve 6 is inserted in Low Pressure Turbine Rotor by the 4th step.
A kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the invention solves between fanjet rotor
The problem of bearing lubrication effect and use reliability difference realizes radial fuel feeding using new lubricating oil collection structure, makes axis between rotor
More oil flows can be obtained by holding, can reach optimal lubricant effect.
The foregoing is merely presently preferred embodiments of the present invention, the thought being not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor characterized by comprising be set in low-pressure turbine shaft
The first sliding oil catch ring and the second sliding oil catch ring on neck, the described first sliding oil catch ring and the second sliding oil catch ring are set respectively
It is placed in bearing two sides；Described first sliding oil catch ring is hierarchic structure ring, and the end face of small inner-diameter portion is resisted against the low pressure
Journal turbine is only leaned on end face, and the end face of imperial palace path portion is resisted against in bearing on steel bushing；First slides the small interior of oil catch ring
Path portion and the cooperation of low-pressure turbine axle journal outer peripheral surface are fixed, and imperial palace path portion and low-pressure turbine axle journal outer peripheral surface cooperatively form first
Pre- collection chamber, imperial palace path portion and bearing retainer cooperatively form the first main collection chamber；Described second sliding oil catch ring is ladder
Structure ring, small inner-diameter portion are resisted against the end face of imperial palace path portion in bearing on steel bushing by nut axial compression；The
The small inner-diameter portion of two sliding oil catch rings and the cooperation of low-pressure turbine axle journal outer peripheral surface are fixed, imperial palace path portion and low-pressure turbine axle journal
Outer peripheral surface cooperatively forms the second pre- collection chamber, and imperial palace path portion and bearing retainer cooperatively form the second main collection chamber；It is described low
The part of the corresponding first pre- collection chamber of pressure journal turbine and the second pre- collection chamber offers multiple fuel feed holes, and first lubricating oil is received
The imperial palace path portion of collection ring and the second sliding oil catch ring all offers multiple oil outlets.
2. the lubricating oil collection structure of the bearing radial direction fuel feeding as described in claim 1 between rotor, which is characterized in that described first
The small inner-diameter portion of sliding oil catch ring outwardly protrudes to form stairstepping outer rim to reinforce oil-collecting effect.
3. the lubricating oil collection structure of the bearing radial direction fuel feeding as described in claim 1 between rotor, which is characterized in that described second
The small inner-diameter portion of sliding oil catch ring outwardly protrudes to form outer rim to reinforce oil-collecting effect.
4. the lubricating oil collection structure of the bearing radial direction fuel feeding as described in claim 1 between rotor, which is characterized in that described first
Sliding oil catch ring and the second sliding oil catch ring are shaped by being machined to superalloy annular forging, then pass through electric spark side
Formula processes multiple oil outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711180348.3A CN107795381B (en) | 2017-11-23 | 2017-11-23 | A kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711180348.3A CN107795381B (en) | 2017-11-23 | 2017-11-23 | A kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107795381A CN107795381A (en) | 2018-03-13 |
| CN107795381B true CN107795381B (en) | 2019-03-22 |
Family
ID=61535697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711180348.3A Active CN107795381B (en) | 2017-11-23 | 2017-11-23 | A kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795381B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12203382B1 (en) | 2023-10-23 | 2025-01-21 | Rtx Corporation | Bearing oil distribution scheme |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943901A (en) * | 2021-02-05 | 2021-06-11 | 中国航发沈阳发动机研究所 | Gear transmission structure |
| CN116658304B (en) * | 2023-08-01 | 2023-10-20 | 成都中科翼能科技有限公司 | Bearing casing assembly of gas turbine shaft |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195965A (en) * | 1961-10-25 | 1965-07-20 | Fafnir Bearing Co | Lubricating means for an antifriction bearing |
| US4370106A (en) * | 1979-03-09 | 1983-01-25 | Cummins Engine Company | Bearing assembly for high speed shaft |
| FR2504980B1 (en) * | 1981-04-29 | 1985-06-14 | Snecma | BEARING ASSEMBLY, PARTICULARLY FOR TURBOMACHINES |
| CN202971586U (en) * | 2012-11-15 | 2013-06-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Oil collecting structure of oil groove type holding bracket of main bearing of aerial engine |
| CN104158337B (en) * | 2014-08-21 | 2016-05-11 | 永济新时速电机电器有限责任公司 | A kind of half directly-drive permanent magnet wind generating machine bearing lubricating system |
| CN106762151A (en) * | 2016-11-29 | 2017-05-31 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of aeroplane engine main bearing inner ring integral structure |
-
2017
- 2017-11-23 CN CN201711180348.3A patent/CN107795381B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12203382B1 (en) | 2023-10-23 | 2025-01-21 | Rtx Corporation | Bearing oil distribution scheme |
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| Publication number | Publication date |
|---|---|
| CN107795381A (en) | 2018-03-13 |
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