CN203743220U - Rolling ball bearing device of turbine pressurizing system - Google Patents
Rolling ball bearing device of turbine pressurizing system Download PDFInfo
- Publication number
- CN203743220U CN203743220U CN201320592619.7U CN201320592619U CN203743220U CN 203743220 U CN203743220 U CN 203743220U CN 201320592619 U CN201320592619 U CN 201320592619U CN 203743220 U CN203743220 U CN 203743220U
- Authority
- CN
- China
- Prior art keywords
- bearing
- assembly
- bearing assembly
- bearing unit
- ball bearing
- 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 - Fee Related
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a rolling ball bearing device of a turbine pressurizing system. The rolling ball bearing device comprises a turbine shaft, wherein a bearing body is arranged on the turbine shaft and comprises two independent bearing assemblies, which are a pressure end bearing assembly and a turbine end bearing assembly; a bearing spacer ring is arranged between the two bearing assemblies; the bearing is axially limited by the pressure end bearing assembly and the turbine end bearing assembly through the bearing body and a thrust plate; a limiting key is respectively arranged at the radial outer rings of the pressure end bearing assembly and the turbine end bearing assembly. Through the manner, the two independent bearing assemblies which are the pressure end bearing assembly and the turbine end bearing assembly are adopted, so that the axial length of the bearing assembly is shorter than that of a traditional rolling ball bearing assembly, manufacturing and assembly are easy, rigorous requirement of rotor vibration of a single rolling ball bearing is changed; the internal seal performance is good and the leakage is reduced.
Description
Technical field
The utility model relates to a kind of turbo charge system ball bearing unit.
Background technique
Total institute is known, and the effect of turbosupercharger is to provide powerful air pressure to internal-combustion engine, thereby improves performance and the power output of motor.Exhaust-gas turbocharger is normally linked together by an axle by a turbine and pinch roller, and axle is by suitable bearings, so that the High Rotation Speed of axle.
Bearing arrangement is normally used 2 kinds, ball bearing and sliding bearing, and ball bearing system can realize higher mechanical efficiency and the turbo charger speed of Geng Gao than sliding bearing.In existing application, the assembly that ball bearing is normally single, this ball bearing processing technique difficulty is large.Single ball bearing system requires higher than two ball bearing systems to the high-speed balancing of rotor assembly.
Model utility content
The technical problem that the utility model mainly solves is to provide the turbo charge system ball bearing unit of a kind of easy processing, easy to assembly and good airproof performance.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of turbo charge system ball bearing unit is provided, comprise: a turbine shaft, on described turbine shaft, be equipped with a bearing support, in described bearing support, comprise two independently bearing uniies, be respectively pressure side bearing unit and whirlpool step bearing assembly, between two bearings assembly, be provided with bearing spacer ring, pressure side bearing unit and whirlpool step bearing assembly to bearing axial limiting, are equipped with positive stop key on the radially outer ring of pressure side bearing unit and whirlpool step bearing assembly by bearing support and thrust plate.
In preferred embodiment of the utility model, bearing spacer ring comprises bearing inner race spacer ring and bearing outer ring spacer ring, lays respectively between the outer ring and inner ring of two bearing uniies.
In preferred embodiment of the utility model, the bearing axial limiting by the limited step on bearing support to whirlpool step bearing assembly, by being located at the bearing axial limiting of the thrust plate on end face to pressure side bearing unit outside pressure side bearing unit.
In preferred embodiment of the utility model, described bearing support is provided with the groove that coordinates described positive stop key.
In preferred embodiment of the utility model, described positive stop key is semicircle positive stop key.
In preferred embodiment of the utility model, on described bearing outer ring spacer ring, offer an outfall.
The beneficial effects of the utility model are: the utility model turbo charge system has adopted two independent pressure side bearing uniies and whirlpool step bearing assembly with ball bearing unit, make the axial length of bearing unit shorter than a traditional ball bearing assembly, thereby easier aspect manufacture and assembling, and change single ball bearing to the harsh requirement of rotor oscillation, inner sealing is good, has reduced leakage.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model turbo charge system ball bearing unit one preferred embodiment;
Fig. 2 is the structural representation of the ball bearing unit of turbo charge system shown in Fig. 1 middle (center) bearing body;
Fig. 3 is the left view of bearing support shown in Fig. 2;
Fig. 4 is the structural representation of the ball bearing unit of turbo charge system shown in Fig. 1 intermediate voltage terminal bearing unit;
Fig. 5 is the left view of the bearing unit of pressure side shown in Fig. 4;
Fig. 6 is the structural representation of turbo charge system shown in Fig. 1 with whirlpool step bearing assembly in ball bearing unit;
Fig. 7 is the left view of the step bearing assembly of whirlpool shown in Fig. 6;
In accompanying drawing, the mark of each parts is as follows: 1, turbine shaft, 2, bearing support, 3, pressure side bearing unit, 4, whirlpool step bearing assembly, 5, turbine end, 6, pinch roller end, 7, bearing inner race spacer ring, 8, bearing outer ring spacer ring, 9, limited step, 10, thrust plate, 11, positive stop key, 12, outfall, 13, groove.
Embodiment
To the technological scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 7, the utility model is embodiment comprise:
A kind of turbo charge system ball bearing unit, comprise: a turbine shaft 1, on described turbine shaft 1, be equipped with a bearing support 2, in described bearing support 2, comprise two independently bearing uniies, be respectively pressure side bearing unit 3 and whirlpool step bearing assembly 4, make the axial length of bearing unit shorter than a traditional ball bearing assembly, thus easier at manufacture view.
Pressure side bearing unit 3 and the 6 homonymy designs of pinch roller end, whirlpool step bearing assembly 4 and turbine end 5 homonymy designs.
Between pressure side bearing unit 3 and whirlpool step bearing assembly 4 two bearings assemblies, be provided with bearing spacer ring, bearing spacer ring comprises bearing inner race spacer ring 7 and bearing outer ring spacer ring 8, lays respectively between the outer ring and inner ring of two bearing uniies.
Pressure side bearing unit 3 and whirlpool step bearing assembly 4 by bearing support and thrust plate 10 to bearing axial limiting, bearing axial limiting by the limited step 9 on bearing support 2 to whirlpool step bearing assembly 4, by being located at thrust plate 10 on the pressure side bearing unit 3 outside end faces bearing axial limiting to pressure side bearing unit 3.Described limited step 9 is integrally formed with bearing support 2.
Limited step 9 is to whirlpool step bearing assembly 4 location in the axial direction, and thrust plate 10 is for axially pushing down pressure side bearing unit 3, the more easily manufacture that can make this class high precision components of bearing become, and changed single ball bearing to the harsh requirement of rotor oscillation.
On the radially outer ring of pressure side bearing unit 3 and whirlpool step bearing assembly 4, be equipped with positive stop key 11.Described bearing support 2 is provided with the groove 13 that coordinates described positive stop key 11.The preferred described positive stop key 11 of the utility model is semicircle positive stop key, for to upwards spacing of bearing unit footpath.
On described bearing outer ring spacer ring, offer an outfall 12, make lubricant oil can be easy to discharge.There is a very large space at the pinch roller end 6 of bearing and the back side of thrust plate 12, can reduce leakage.Lubricant oil after bearing can throw away from turbine shaft 1 easily, so also can reduce the leakage of oil from turbine end 12 seal rings.The lubricant oil flowing through after ball bearing will be discharged from three.Flow through the lubricant oil of bearing from pinch roller end 6, and turbine end 12 and bearing spacer ring 3 place's draining points are finally pooled to discharge area.In the time that lubricant oil is discharged from pinch roller end 6, just in time by a very large space, lubricant oil is directly discharged in bearing support 2.
The utility model turbo charge system has adopted two independent pressure side bearing uniies 3 and whirlpool step bearing assembly 4 with ball bearing unit, make the axial length of bearing unit shorter than a traditional ball bearing assembly, thereby easier aspect manufacture and assembling, and change single ball bearing to the harsh requirement of rotor oscillation, inner sealing is good, has reduced leakage.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a turbo charge system ball bearing unit, it is characterized in that, comprise: a turbine shaft, on described turbine shaft, be equipped with a bearing support, in described bearing support, comprise two independently bearing uniies, be respectively pressure side bearing unit and whirlpool step bearing assembly, between two bearings assembly, be provided with bearing spacer ring, pressure side bearing unit and whirlpool step bearing assembly to bearing axial limiting, are equipped with positive stop key on the radially outer ring of pressure side bearing unit and whirlpool step bearing assembly by bearing support and thrust plate.
2. turbo charge system ball bearing unit according to claim 1, is characterized in that, bearing spacer ring comprises bearing inner race spacer ring and bearing outer ring spacer ring, lays respectively between the outer ring and inner ring of two bearing uniies.
3. turbo charge system ball bearing unit according to claim 1, it is characterized in that, bearing axial limiting by the limited step on bearing support to whirlpool step bearing assembly, by being located at the bearing axial limiting of the thrust plate on end face to pressure side bearing unit outside pressure side bearing unit.
4. turbo charge system ball bearing unit according to claim 1, is characterized in that, described bearing support is provided with the groove that coordinates described positive stop key.
5. turbo charge system ball bearing unit according to claim 4, is characterized in that, described positive stop key is semicircle positive stop key.
6. turbo charge system ball bearing unit according to claim 2, is characterized in that, on described bearing outer ring spacer ring, offers an outfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592619.7U CN203743220U (en) | 2013-09-25 | 2013-09-25 | Rolling ball bearing device of turbine pressurizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592619.7U CN203743220U (en) | 2013-09-25 | 2013-09-25 | Rolling ball bearing device of turbine pressurizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743220U true CN203743220U (en) | 2014-07-30 |
Family
ID=51343023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592619.7U Expired - Fee Related CN203743220U (en) | 2013-09-25 | 2013-09-25 | Rolling ball bearing device of turbine pressurizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743220U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511467A (en) * | 2013-09-25 | 2014-01-15 | 汉捷机械部件（常州）有限公司 | Ball bearing device for turbocharging system |
| CN109595265A (en) * | 2018-11-26 | 2019-04-09 | 中国航发南方工业有限公司 | Axile connection structure |
| CN118499117A (en) * | 2024-07-22 | 2024-08-16 | 潍坊富源增压器有限公司 | Novel turbocharger |
-
2013
- 2013-09-25 CN CN201320592619.7U patent/CN203743220U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511467A (en) * | 2013-09-25 | 2014-01-15 | 汉捷机械部件（常州）有限公司 | Ball bearing device for turbocharging system |
| CN109595265A (en) * | 2018-11-26 | 2019-04-09 | 中国航发南方工业有限公司 | Axile connection structure |
| CN109595265B (en) * | 2018-11-26 | 2020-03-24 | 中国航发南方工业有限公司 | Shaft connecting structure |
| CN118499117A (en) * | 2024-07-22 | 2024-08-16 | 潍坊富源增压器有限公司 | Novel turbocharger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103670672B (en) | A kind of turbosupercharger | |
| CN103206271B (en) | Turbine shaft seal arrangement | |
| CN102128062A (en) | Rotor shafting structure for ball-bearing turbocharger | |
| CN204755000U (en) | Turbo charger of semifloating bearing with collect and float and thrust function in an organic whole | |
| CN201627605U (en) | Sealing and heat insulation structure at vortex end of turbocharger | |
| CN203743220U (en) | Rolling ball bearing device of turbine pressurizing system | |
| WO2016171933A1 (en) | Turbocharger spring assembly | |
| CN201351511Y (en) | Turbocharger | |
| CN101429878A (en) | Turbocharger | |
| CN104975889A (en) | Turbo-supercharger with semi-floating bearing integrating floating and thrusting functions | |
| CN202040203U (en) | Oil wedge thrust bearing for turbocharger | |
| CN204140200U (en) | A kind of novel turbocharger | |
| CN203867702U (en) | Turbine air intake supercharger of axial-flow type aerodynamic internal combustion engine | |
| CN204755575U (en) | Novel turbo charger floating bearing | |
| CN104594961A (en) | Gas compressor end sealing structure of turbocharger | |
| CN201381896Y (en) | Oil seal structure of turbocharger | |
| CN203067539U (en) | Novel rolling bearing structure | |
| CN202991152U (en) | Integrated floating bearing positioning structure for gasoline engine turbocharger | |
| CN102168718A (en) | Turbocharger bearing | |
| CN103511467A (en) | Ball bearing device for turbocharging system | |
| CN101758456A (en) | Vertical dynamic/static piezoelectric main shaft | |
| CN102777497B (en) | Floating bearing and turbocharger comprising same | |
| CN103032573A (en) | Helicopter main rotor shaft dynamic sealing structure | |
| CN206694414U (en) | A kind of back-up ring with oil leak hole for booster floating bearing | |
| CN102852976A (en) | Turbocharger oil film suspension sliding bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200925 |