CN107795381A - 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
- CN107795381A CN107795381A CN201711180348.3A CN201711180348A CN107795381A CN 107795381 A CN107795381 A CN 107795381A CN 201711180348 A CN201711180348 A CN 201711180348A CN 107795381 A CN107795381 A CN 107795381A
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- China
- Prior art keywords
- oil
- catch ring
- oil catch
- bearing
- cunning
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Classifications
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- 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
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- 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
A kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the present invention, including：First be set on low-pressure turbine axle journal slides oil catch ring and second slides oil catch ring, and the first cunning oil catch ring and the second cunning oil catch ring are respectively arranged at bearing both sides；First cunning oil catch ring and the second cunning oil catch ring cooperatively form pre- collection chamber and collection chamber with low-pressure turbine axle journal and retainer, lubricating oil is entered in pre- collection chamber by the fuel feed hole on low-pressure turbine axle journal, got rid of and 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.The lubricating oil collection structure of the present invention is novel in design, simple, practical, easy to assembly, quick, bearing roller is obtained the oil lubrication of abundance, improves security reliability.
Description
Technical field
The present invention relates to fanjet fueling technology, more particularly to a kind of lubricating oil of the bearing radial direction fuel feeding between rotor
Collection structure.
Background technology
The fuel system of bearing is lateral fuel feeding between the rotor of traditional fanjet, can not meet the abundant profit of bearing
Sliding and cooling, the Frequent Troubles such as rub, peel off, damaging so as to cause bearing roller to be slided.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.
The content of the invention
The embodiment of the present invention provides a kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor, can make bearing between rotor
More oil flows can be obtained, so that optimal lubricant effect can be reached.
The present invention provides a kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor, including：It is set in low-pressure turbine
First on axle journal slides oil catch ring and the second cunning oil catch ring, and described first, which slides oil catch ring and second, slides oil catch ring difference
It is arranged at bearing both sides；The first cunning oil catch ring is hierarchic structure ring, and the end face of its 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 low-pressure turbine axle journal outer peripheral face, which coordinate, to be fixed, and imperial palace path portion and low-pressure turbine axle journal outer peripheral face cooperatively form the
One pre- collection chamber, imperial palace path portion cooperatively form the first main collection chamber with retainer；The second cunning oil catch ring is rank
Terraced structure ring, its small inner-diameter portion are resisted against in bearing on steel bushing by nut axial compression, the end face of imperial palace path portion；Second
The small inner-diameter portion of sliding oil catch ring coordinates with low-pressure turbine axle journal outer peripheral face fixes, outside imperial palace path portion and low-pressure turbine axle journal
Side face cooperatively forms the second pre- collection chamber, and imperial palace path portion cooperatively forms the second main collection chamber with retainer；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 cunning oil catch ring all offers multiple oil outlets.
In the present invention between rotor in the lubricating oil collection structure of bearing radial direction fuel feeding, described first slides the small of oil catch ring
Inner-diameter portion is outwardly to form stairstepping outer rim to strengthen oil-collecting effect.
In the present invention between rotor in the lubricating oil collection structure of bearing radial direction fuel feeding, described second slides the small of oil catch ring
Inner-diameter portion is outwardly to form outer rim to strengthen oil-collecting effect.
In the present invention between rotor in the lubricating oil collection structure of bearing radial direction fuel feeding, described first slides oil catch ring and the
Two slide oil catch rings is shaped by being machined to superalloy annular forging, then is processed by electric spark mode multiple fuel-displaced
Hole.
The present invention provides a kind of lubricating oil collection structure of the bearing radial direction fuel feeding between rotor, and its parts is simple in construction, is easy to
Processing, on the assembly technology of original other parts without influence.Have simultaneously by way of forming oil trap for bearing radial direction fuel feeding
Beneficial to the lubrication of bearing, its expected purpose is fully meet, improves the use reliability of bearing between rotor, separate unit can be saved
About 150,000 yuan of the expense of the links such as manufacture, assembling, and the economic loss of other parts caused by bearing damage can be avoided.
Brief description of the drawings
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 present invention；
Fig. 2 is the semi-cutaway of the first cunning oil catch ring of the present invention；
Fig. 3 is the semi-cutaway of the second cunning oil catch ring of the present invention.
Embodiment
In order to solve the problem of lateral fuel delivery of original fueller deficiency, lubricant effect difference, while again can not be to whole
Body assembling structure has an impact, i.e., axial dimension can not 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 devise it is this realize radial direction fuel feeding, fitted bearing retainer is collectively forming collection chamber, is axle
Hold the structure type of fuel feeding.
A kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the present invention includes as shown in Figure 1：First lubricating oil
Collect ring 1 and second and slide oil catch ring 2.First cunning oil catch ring 1 and second slides oil catch ring 2 and is set in low-pressure turbine axle journal 3
On, and it is respectively arranged at bearing both sides.First slides the cunning oil catch ring 2 of oil catch ring 1 and second need to be with the bearing with oil collecting function
Retainer 5 is used cooperatively, it is possible to achieve is increased fuel delivery for bearing, is lifted the effect of lubricant effect.
As shown in Fig. 2 the first cunning oil catch ring 1 is hierarchic structure ring, the end face of its 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 slides oil catch ring 1
Small inner-diameter portion and the outer peripheral face of low-pressure turbine axle journal 3 coordinate and fix, imperial palace path portion coordinates with the outer peripheral face of low-pressure turbine axle journal 3
The first pre- collection chamber 11 is formed, imperial palace path portion cooperatively forms the first main collection chamber 12 with retainer 5.First lubricating oil is collected
The small inner-diameter portion of ring 1 is outwardly to form stairstepping outer rim 14 to strengthen oil-collecting effect.
As shown in figure 3, the second cunning oil catch ring 2 is hierarchic structure ring, its small inner-diameter portion is by nut axial compression, greatly
The end face of inner-diameter portion is resisted against the opposite side of steel bushing 4 in bearing；Second slides the small inner-diameter portion and low-pressure turbine of oil catch ring 2
The outer peripheral face of axle journal 3, which coordinates, to be fixed, and imperial palace path portion cooperatively forms the second pre- collection chamber 21 with the outer peripheral face of low-pressure turbine axle journal 3, greatly
Inner-diameter portion cooperatively forms the second main collection chamber 22 with retainer 5.Second slides the small inner-diameter portion convex of oil catch ring 2
Go out to be formed outer rim 24 to strengthen oil-collecting effect.
The part of the corresponding first pre- 11 and second pre- collection chamber 21 of collection chamber of low-pressure turbine axle journal 3 offers multiple fuel feed holes
31, the imperial palace path portion of the first cunning oil catch ring 1 all offers multiple first oil outlets 13.Second slides the imperial palace of oil catch ring 2
Path portion all offers multiple second oil outlets 23.First, which slides oil catch ring 1 and second, slides oil catch ring 2 by being closed to high temperature
Golden annular forging piece machining shaping, then the first oil outlet 13 and the second oil outlet 23 are processed by electric spark mode.It is all complete
The oil flow for the oil outlet that Cheng Houxu is cooled down using specific purpose tool detection.Then match somebody with somebody with the retainer 5 with oil collecting function
Close and use.
Lubricating oil enters first by the fuel feed hole 31 on low-pressure turbine axle journal 3 and slides the cunning oil catch ring 2 of oil catch ring 1 and second
In the first pre- 11 and second pre- collection chamber 21 of collection chamber formed with low-pressure turbine axle journal 3, then pass through by the centrifugal force of rotation
First cunning oil catch ring 1 and second slides the first oil outlet 13 being correspondingly arranged on oil catch ring 2 and the second oil outlet 23 is thrown away, and enters
Enter the first cunning oil catch ring 1 and second and slide the first main 12 and second main collection of collection chamber that oil catch ring 2 is formed with 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 the oil lubrication of abundance, improve security reliability.
A kind of assembling process of the lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the present invention is as follows：
The first step, by first cunning oil catch ring 1 through the mating surface of low-pressure turbine axle journal 3 installation act against axle journal only by hold
On face 32；
Second step, after steel bushing in bearing 4, retainer 5, roller are installed, pacify through the mating surface of low-pressure turbine axle journal 3
Dress is acted against on the first cunning oil catch ring 1；
3rd step, the second cunning oil catch ring 2 is acted against into steel bushing 4 in bearing through the installation of the mating surface of low-pressure turbine axle journal 3
On；
4th step, the high-pressure turbine axle journal 7 for being mounted with bearing outer steel sleeve 6 is inserted in Low Pressure Turbine Rotor.
A kind of lubricating oil collection structure of bearing radial direction fuel feeding between rotor of the present invention, solve between fanjet rotor
The problem of bearing lubrication effect and use reliability difference, radial direction fuel feeding is realized using new lubricating oil collection structure, makes rotor countershaft
More oil flows can be obtained by holding, can reach optimal lubricant effect.
Presently preferred embodiments of the present invention is the foregoing is only, the thought being not intended to limit the invention is all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (4)
- A kind of 1. lubricating oil collection structure of the bearing radial direction fuel feeding between rotor, it is characterised in that including：It is set in low-pressure turbine shaft First on neck slides oil catch ring and the second cunning oil catch ring, and the first cunning oil catch ring and the second cunning oil catch ring are set respectively It is placed in bearing both sides；The first cunning oil catch ring is hierarchic structure ring, and the end face of its 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 coordinates with low-pressure turbine axle journal outer peripheral face to be fixed, and imperial palace path portion cooperatively forms first with low-pressure turbine axle journal outer peripheral face Pre- collection chamber, imperial palace path portion cooperatively form the first main collection chamber with retainer；The second cunning oil catch ring is ladder Structure ring, its small inner-diameter portion are resisted against in bearing on steel bushing by nut axial compression, the end face of imperial palace path portion；Second slides The small inner-diameter portion of oil catch ring coordinates with low-pressure turbine axle journal outer peripheral face fixes, imperial palace path portion and low-pressure turbine axle journal periphery Face cooperatively forms the second pre- collection chamber, and imperial palace path portion cooperatively forms the second main collection chamber with retainer；The low pressure whirlpool The part of the corresponding first pre- collection chamber of wheel axle journal and the second pre- collection chamber offers multiple fuel feed holes, and described first slides oil catch ring Multiple oil outlets are all offered with the imperial palace path portion of the second cunning oil catch ring.
- 2. the lubricating oil collection structure of the bearing radial direction fuel feeding as claimed in claim 1 between rotor, it is characterised in that described first The small inner-diameter portion of sliding oil catch ring is outwardly to form stairstepping outer rim to strengthen oil-collecting effect.
- 3. the lubricating oil collection structure of the bearing radial direction fuel feeding as claimed in claim 1 between rotor, it is characterised in that described second The small inner-diameter portion of sliding oil catch ring is outwardly to form outer rim to strengthen oil-collecting effect.
- 4. the lubricating oil collection structure of the bearing radial direction fuel feeding as claimed in claim 1 between rotor, it is characterised in that described first Sliding oil catch ring and the second cunning 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 true CN107795381A (en) | 2018-03-13 |
| CN107795381B 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 (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 |
| CN116658304A (en) * | 2023-08-01 | 2023-08-29 | 成都中科翼能科技有限公司 | Bearing casing assembly of gas turbine shaft |
Citations (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 |
| US4451110A (en) * | 1981-04-29 | 1984-05-29 | S.N.E.C.M.A. | Turbine bearing |
| 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 |
| CN104158337A (en) * | 2014-08-21 | 2014-11-19 | 永济新时速电机电器有限责任公司 | Semi direct drive permanent magnet wind turbine generator bearing lubrication 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
Patent Citations (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 |
| US4451110A (en) * | 1981-04-29 | 1984-05-29 | S.N.E.C.M.A. | Turbine bearing |
| 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 |
| CN104158337A (en) * | 2014-08-21 | 2014-11-19 | 永济新时速电机电器有限责任公司 | Semi direct drive permanent magnet wind turbine generator bearing lubrication 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 |
Cited By (3)
| 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 |
| CN116658304A (en) * | 2023-08-01 | 2023-08-29 | 成都中科翼能科技有限公司 | Bearing casing assembly of gas turbine shaft |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107795381B (en) | 2019-03-22 |
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