CN202611778U - Positioning structure for gasoline engine turbocharger bearing - Google Patents
Positioning structure for gasoline engine turbocharger bearing Download PDFInfo
- Publication number
- CN202611778U CN202611778U CN2012202362728U CN201220236272U CN202611778U CN 202611778 U CN202611778 U CN 202611778U CN 2012202362728 U CN2012202362728 U CN 2012202362728U CN 201220236272 U CN201220236272 U CN 201220236272U CN 202611778 U CN202611778 U CN 202611778U
- Authority
- CN
- China
- Prior art keywords
- bearing
- ring
- whole
- elastic opening
- semifloating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000006071 cream Substances 0.000 claims description 12
- 238000010010 raising Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/26—Systems consisting of a plurality of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supercharger (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Disclosed is a positioning structure for a gasoline engine turbocharger bearing. The positioning structure comprises an integral semi-floating bearing, a V-shaped flat and square elastic split washer, an elastic split washer, a bearing body and a rotor shaft. The elastic split washer is mounted in an elastic split washer mounting groove in a bearing hole of the bearing body. The integral semi-floating bearing is mounted in the bearing hole of the bearing body, and one end of the integral semi-floating bearing abuts against an end face of the elastic split washer. A gasoline storage hole in the integral semi-floating bearing and the inner wall of the bearing body form a first gasoline storage cavity. The rotor shaft is arranged in a rotor shaft hole of the integral semi-floating bearing, and an annular gasoline cavity in the rotor shaft hole of the integral semi-floating bearing and an outer circle of the rotor shaft form a second gasoline storage cavity. The V-shaped flat and square elastic split washer is installed in a flat and square elastic split washer installation groove in the bearing body, and a V-shaped boss protruding on the V-shaped flat and square elastic split washer abuts against a V-shaped through groove on the end face of the integral semi-floating bearing.
Description
Technical field
The utility model relates to a kind of petrol engine turbo-charger bearing position structure, particularly a kind of positioning means that limits bearing axial displacement and rotation.
Background technique
The diesel turbocharging device generally adopts two floating bearing support rotor axles, and the back-up ring limiting displacement is used at the floating bearing two ends.The structure of this floating bearing when the pressurized machine high speed rotating, causes bearing two ends decentraction easily, and the balance of broken rotor hinders rotor rotation, reduces the efficient and the life-span of pressurized machine, makes the assembly technology very complicated of pressurized machine simultaneously, and component increase.
The rotating speed of the rotating ratio diesel turbocharging device of petrol engine turbosupercharger is higher; In order to adapt to the high rotating speed of petrol engine turbosupercharger; In present existing technology; Be designed to a whole semifloating bearing to original two floating bearings, limit the axial displacement and the rotation of bearing simultaneously, the stability when guaranteeing the rotor high-speed rotation.But there is following problem in technique scheme:
One, at present in the existing technology, be designed to a whole semifloating bearing to two floating bearings, originally the lubricant oil shoe cream room between two floating bearings is cancelled, and the lubricant oil of whole semifloating bearing is under-supply, easy abrasion, and working life is not long.
The displacement and the rotation of two, holding for the restriction integral float shaft have the Design Orientation pin, and unsteady catch of design and snap ring are also arranged, because the petrol engine supercharger size is little, and compact structure, these designs cause the pressurized machine assembly technology loaded down with trivial details, and component increase.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiency of existing technology and a kind of petrol engine turbo-charger bearing position structure is provided, and optimizes the bearing lubrication effect through this position structure, simplifies the bearing assembly technology.
The technological scheme of the utility model is: a kind of petrol engine turbo-charger bearing position structure, it comprises whole semifloating bearing, the flat side's elastic opening of V-type back-up ring, elastic opening back-up ring, bearing support and rotor shaft.Be respectively equipped with elastic opening back-up ring mounting groove and a deltiod elastic opening back-up ring mounting groove of an annular at the two ends of the bearing hole of bearing support.On the end face of whole semifloating bearing one end, be provided with a V-type groove; The cylindrical of whole semifloating bearing is provided with the oil storage ring of annular; In the rotor bearing hole of whole semifloating bearing, be provided with annular oil cavity, between the oil storage ring of the annular on the whole semifloating bearing and annular oil cavity, be provided with the oil inlet hole of two symmetries.On the flat side's elastic opening of V-type back-up ring, be provided with the V-type boss of a convexity.
The elastic opening back-up ring is installed in the elastic opening back-up ring mounting groove in the bearing support bearing hole; Whole semifloating Bearing Installation is in the bearing hole of bearing support; One end of whole semifloating bearing withstands on the end face of elastic opening back-up ring; The oil storage ring on the whole semifloating bearing and the inwall of bearing support form first shoe cream room; Rotor shaft is installed in the rotor shaft hatch of whole semifloating bearing; The annular oil cavity in the whole semifloating bearing rotor axis hole and the cylindrical of rotor shaft form second shoe cream room, and the flat side's elastic opening of V-type back-up ring is installed in the deltiod elastic opening back-up ring mounting groove in the bearing support, and the V-type boss of the flat side's elastic opening of V-type back-up ring raising withstands in the V-type groove on the whole semifloating bearing face; The flat side's elastic opening of V-type back-up ring can not rotate in deltiod elastic opening back-up ring mounting groove, is used for limiting whole semifloating bearing and in bearing support, rotates and move axially.
During the petrol engine turbocharger operation, lubricant oil can get into second shoe cream room through first shoe cream room, oil inlet hole, and rotor shaft is lubricated.
The utility model compared with prior art has following characteristics:
1, the petrol engine turbo-charger bearing position structure lubrication effect that provides of the utility model is good, all is provided with shoe cream room inside and outside the whole semifloating bearing, and it is good lubricated that rotor shaft, whole semifloating bearing and bearing support are all obtained.
2, whole semifloating bearing two ends are fixed with circlip, and wherein an end is the flat side's elastic opening of a V-arrangement back-up ring, can limit the rotation of whole semifloating bearing, and the overall structure part is few, and easy accessibility only needs just can carry out dismounting with circlip pliers.
Further describe below in conjunction with accompanying drawing and embodiment detailed structure the utility model.
Description of drawings
Accompanying drawing 1 is the structural representation of petrol engine turbo-charger bearing position structure;
Accompanying drawing 2 is the structural representation of whole semifloating bearing;
Accompanying drawing 3 is the A-A sectional view in the accompanying drawing 2;
Accompanying drawing 4 is the perspective view of the flat side's elastic opening of V-arrangement back-up ring;
Accompanying drawing 5 is the perspective view of elastic opening back-up ring 3;
Accompanying drawing 6 is the scheme of installation of the flat side's elastic opening of V-arrangement back-up ring.
Embodiment
A kind of petrol engine turbo-charger bearing position structure, it comprises whole semifloating bearing 1, the flat side's elastic opening of V-type back-up ring 2, elastic opening back-up ring 3, bearing support 4 and rotor shaft 7.Be respectively equipped with elastic opening back-up ring mounting groove 4-2 and a deltiod elastic opening back-up ring mounting groove 4-1 of an annular at the two ends of the bearing hole of bearing support 4.On the end face of whole semifloating bearing 1 one ends, be provided with a V-type groove 1-1; The cylindrical of whole semifloating bearing 1 is provided with the oil storage ring 1-2 of annular; In the 1-5 of the rotor bearing hole of whole semifloating bearing 1, be provided with annular oil cavity 1-4, between the oil storage ring 1-2 of the annular on the whole semifloating bearing 1 and annular oil cavity 1-4, be provided with the oil inlet hole 1-3 of two symmetries.On the flat side's elastic opening of V-type back-up ring 2, be provided with the V-type boss 2-1 of a convexity.
Elastic opening back-up ring 3 is installed in the elastic opening back-up ring mounting groove 4-2 in bearing support 4 bearing holes; Whole semifloating bearing 1 is installed in the bearing hole of bearing support 4; One end of whole semifloating bearing 1 withstands on the end face of elastic opening back-up ring 3; The oil storage ring 1-2 on the whole semifloating bearing 1 and the inwall of bearing support 4 form first shoe cream room 5; Rotor shaft 7 is installed in the rotor shaft hatch 1-5 of whole semifloating bearing 1; The annular oil cavity 1-4 in the whole semifloating bearing 1 rotor shaft hatch 1-5 and the cylindrical of rotor shaft 7 form second shoe cream room 6, and the flat side's elastic opening of V-type back-up ring 2 is installed in the deltiod elastic opening back-up ring mounting groove 4-1 in the bearing support 4, and the V-type boss 2-1 of the flat side's elastic opening of V-type back-up ring 2 raisings withstands in the V-type groove 1-1 on whole semifloating bearing 1 end face; The flat side's elastic opening of V-type back-up ring 2 can not rotate in deltiod elastic opening back-up ring mounting groove 4-1, is used for limiting whole semifloating bearing 1 and in bearing support 4, rotates and move axially.
During the petrol engine turbocharger operation, lubricant oil can get into second shoe cream room 6 through first shoe cream room 5, oil inlet hole 1-3, and rotor shaft 7 is lubricated.
Claims (1)
1. petrol engine turbo-charger bearing position structure, it is characterized in that: it comprises whole semifloating bearing, the flat side's elastic opening of V-type back-up ring, elastic opening back-up ring, bearing support and rotor shaft; Be respectively equipped with elastic opening back-up ring mounting groove and a deltiod elastic opening back-up ring mounting groove of an annular at the two ends of the bearing hole of bearing support; On the end face of whole semifloating bearing one end, be provided with a V-type groove; The cylindrical of whole semifloating bearing is provided with the oil storage ring of annular; In the rotor bearing hole of whole semifloating bearing, be provided with annular oil cavity, between the oil storage ring of the annular on the whole semifloating bearing and annular oil cavity, be provided with the oil inlet hole of two symmetries; On the flat side's elastic opening of V-type back-up ring, be provided with the V-type boss of a convexity;
The elastic opening back-up ring is installed in the elastic opening back-up ring mounting groove in the bearing support bearing hole; Whole semifloating Bearing Installation is in the bearing hole of bearing support; One end of whole semifloating bearing withstands on the end face of elastic opening back-up ring; The oil storage ring on the whole semifloating bearing and the inwall of bearing support form first shoe cream room; Rotor shaft is installed in the rotor shaft hatch of whole semifloating bearing; The annular oil cavity in the whole semifloating bearing rotor axis hole and the cylindrical of rotor shaft form second shoe cream room, and the flat side's elastic opening of V-type back-up ring is installed in the deltiod elastic opening back-up ring mounting groove in the bearing support, and the V-type boss of the flat side's elastic opening of V-type back-up ring raising withstands in the V-type groove on the whole semifloating bearing face; The flat side's elastic opening of V-type back-up ring can not rotate in deltiod elastic opening back-up ring mounting groove, is used for limiting whole semifloating bearing and in bearing support, rotates and move axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202362728U CN202611778U (en) | 2012-05-24 | 2012-05-24 | Positioning structure for gasoline engine turbocharger bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202362728U CN202611778U (en) | 2012-05-24 | 2012-05-24 | Positioning structure for gasoline engine turbocharger bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202611778U true CN202611778U (en) | 2012-12-19 |
Family
ID=47345487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202362728U Expired - Lifetime CN202611778U (en) | 2012-05-24 | 2012-05-24 | Positioning structure for gasoline engine turbocharger bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202611778U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925010A (en) * | 2013-12-30 | 2014-07-16 | 常州环能涡轮动力股份有限公司 | Turbine rotor of turbocharger of small gasoline engine |
| CN103967596A (en) * | 2013-02-05 | 2014-08-06 | 株式会社Ihi | Turbocharger |
| CN106744234A (en) * | 2017-03-31 | 2017-05-31 | 博格华纳汽车零部件（江苏）有限公司 | V-type stops locking plate and floating bearing automatic clamping mechanism |
| CN106931080A (en) * | 2017-03-14 | 2017-07-07 | 长江大学 | A kind of helix movable steel globe teeth drive deceleration device |
| CN110303338A (en) * | 2019-07-10 | 2019-10-08 | 博格华纳汽车零部件(宁波)有限公司 | A kind of turbine assembly and intermediate automatic setup system |
| DE102020201186A1 (en) | 2020-01-31 | 2021-08-05 | Minebea Mitsumi Inc. | Fixing device for a rolling bearing ring, rolling bearing and exhaust gas turbine |
-
2012
- 2012-05-24 CN CN2012202362728U patent/CN202611778U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967596A (en) * | 2013-02-05 | 2014-08-06 | 株式会社Ihi | Turbocharger |
| US9903226B2 (en) | 2013-02-05 | 2018-02-27 | Ihi Corporation | Turbocharger |
| CN103925010A (en) * | 2013-12-30 | 2014-07-16 | 常州环能涡轮动力股份有限公司 | Turbine rotor of turbocharger of small gasoline engine |
| CN103925010B (en) * | 2013-12-30 | 2015-09-30 | 常州环能涡轮动力股份有限公司 | Miniature gasoline engine turbocharger turbine rotor |
| CN106931080A (en) * | 2017-03-14 | 2017-07-07 | 长江大学 | A kind of helix movable steel globe teeth drive deceleration device |
| CN106744234A (en) * | 2017-03-31 | 2017-05-31 | 博格华纳汽车零部件（江苏）有限公司 | V-type stops locking plate and floating bearing automatic clamping mechanism |
| CN106744234B (en) * | 2017-03-31 | 2018-03-09 | 博格华纳汽车零部件（江苏）有限公司 | V-type stops locking plate and floating bearing automatic clamping mechanism |
| CN110303338A (en) * | 2019-07-10 | 2019-10-08 | 博格华纳汽车零部件(宁波)有限公司 | A kind of turbine assembly and intermediate automatic setup system |
| DE102020201186A1 (en) | 2020-01-31 | 2021-08-05 | Minebea Mitsumi Inc. | Fixing device for a rolling bearing ring, rolling bearing and exhaust gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |