CN107060910B - A kind of arragement construction of turbo-charger shaft module - Google Patents
A kind of arragement construction of turbo-charger shaft module Download PDFInfo
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- CN107060910B CN107060910B CN201710184483.9A CN201710184483A CN107060910B CN 107060910 B CN107060910 B CN 107060910B CN 201710184483 A CN201710184483 A CN 201710184483A CN 107060910 B CN107060910 B CN 107060910B
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- Prior art keywords
- bearing
- floating
- thrust
- turbo
- wall
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The present invention provides a kind of arragement constructions of turbo-charger shaft module, including central axis, the central axis includes integrated left part and right part, the right part outer wall socket bearing body and No.1 floating bearing, the left part outer wall right-to-left socket thrust plate, bearing holder (housing, cover) and axle envelope set, the axle envelope set outer wall socket compressor carries on the back disk, and the bearing holder (housing, cover) outer wall is successively socketed thrust bearing and No. two floating bearings, and No. two floating bearing outer walls are socketed bearing block.The arragement construction of turbo-charger shaft module of the present invention, by using split type bearing block, thrust bearing is placed between No.1 floating bearing and No. two floating bearings, the effective space using inside bearing body, supercharger structure is set to become more compact, the weight for reducing booster realizes the miniaturization of booster；The lubrication circumstances for effectively improving thrust bearing both ends of the surface simultaneously, reduce the abrasion of thrust bearing, extend service life of equipment.
Description
Technical field
The invention belongs to exhaust turbine pressuring technology fields, more particularly, to a kind of arrangement of turbo-charger shaft module
Structure.
Background technique
Turbocharger is to improve engine charge density using the energy of engine discharge exhaust gas, due to being pressurized utensil
There is the characteristics of high power, low oil consumption, low emission, at present on the engine using quite extensively.Reduce engine displacement and uses
Exhaust turbine pressuring technology realizes that Engine Downsizing is the important development direction of Modern Vehicle Engine.Turbocharger is main
Component includes the key components such as compressor, turbine, bearing body and shafting component.With Engine Downsizing and compactedness
It is required that needing turbocharger in the case where meeting with machine demand, own wt and space are reduced.
Summary of the invention
In view of this, the present invention is directed to propose a kind of arragement construction of turbo-charger shaft module, to provide a kind of knot
The arragement construction of structure turbo-charger shaft module that is compact, light-weight, facilitating lubrication.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of arragement construction of turbo-charger shaft module, including bearing body, central axis, No.1 floating bearing, thrust
Piece, thrust bearing, bearing holder (housing, cover), bearing block, axle envelope set, compressor back disk and No. two floating bearings, the central axis include one
Left part and right part, the right part outer diameter is greater than the left part outer diameter, described in the outer wall right-to-left of the right part is successively socketed
Bearing body and the No.1 floating bearing, the No.1 floating bearing are mounted on inside the bearing body,
The outer wall right-to-left of the left part is successively socketed the thrust plate, the bearing holder (housing, cover) and the axle envelope set, described
Axle envelope covers outer wall and is socketed the compressor back disk, and the compressor back disk outer wall is connect with the bearing body inner wall, the bearing
Set outer wall right-to-left is successively socketed the thrust bearing and No. two floating bearings, No. two floating bearing outer walls socket
The bearing block, the side of the bearing block and the axle envelope set connect, the other side contacted with the thrust bearing and with
The bearing body is bolted, and oil inlet passage is arranged in the top of the bearing body, and drainback passage, the thrust bearing is arranged in bottom end
It is fastened by the end face of the bearing block and the bearing body inner wall.
Further, support is set inside the bearing body, the No.1 floating bearing is mounted on institute by the retaining ring
It states on the support of bearing body, No. two floating bearings are mounted on inside the bearing block by the retaining ring, the gear
Circle is circlip.
It further, is cavity structure between the No.1 floating bearing and the thrust plate.
Further, bulge-structure, one end of the thrust bearing and the bearing holder (housing, cover) are set outside the bearing holder (housing, cover)
One end flushes, and the other end is flushed with the side of the protrusion, and the other side of the protrusion is inclined-plane, the inclined-plane and the bearing
Gap is formed between seat.
Further, asphalt channel is arranged close to the side of the oil inlet passage in the thrust bearing.
Further, the internal diameter of the thrust plate is less than the outer diameter of right part described in central axis.
Further, the bearing block is split type bearing block.
Compared with the existing technology, the arragement construction of turbo-charger shaft module of the present invention has the advantage that
(1) arragement construction of turbo-charger shaft module of the present invention will only by using split type bearing block
Thrust bearing is placed between No.1 floating bearing and No. two floating bearings, and the effective space using inside bearing body makes booster
Structure becomes more compact, reduces the weight of booster, realizes the miniaturization of booster.
(2) arragement construction of turbo-charger shaft module of the present invention, the asphalt channel of thrust bearing setting, has
The lubrication circumstances for improving thrust bearing both ends of the surface of effect, reduce the abrasion of thrust bearing, extend service life of equipment.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the arragement construction of turbo-charger shaft module described in the embodiment of the present invention.
Description of symbols:
1- bearing body；2- central axis；3- No.1 floating bearing；4- circlip；5- thrust plate；6- thrust bearing；7- axis
Bearing sleeve；8- bearing block；9- axle envelope set；10- compressor carries on the back disk；No. bis- floating bearings of 11-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of arragement construction of turbo-charger shaft module, as shown in Figure 1, floating including bearing body 1, central axis 2, No.1
Dynamic bearing 3, thrust plate 5, thrust bearing 6, bearing holder (housing, cover) 7, bearing block 8, axle envelope set 9, compressor back disk 10 and No. two floating bearings
11,
The central axis 2 includes the left part and right part of one, and the right part outer diameter is greater than the left part outer diameter, the right part
Outer wall right-to-left be successively socketed the bearing body 1 and the No.1 floating bearing 3, the No.1 floating bearing 3 is mounted on
Inside the bearing body 1,
The outer wall right-to-left of the left part is successively socketed the thrust plate 5, the bearing holder (housing, cover) 7 and axle envelope set 9, institute
It states axle envelope and covers the 9 outer walls socket compressor back disk 10, compressor back 10 outer wall of disk is connect with 1 inner wall of bearing body,
The 7 outer wall right-to-left of bearing holder (housing, cover) is successively socketed the thrust bearing 6 and No. two floating bearings 11, No. two floatings
11 outer wall of bearing is socketed the bearing block 8, and the side of the bearing block 8 and axle envelope set 9 connect, the other side with it is described
Thrust bearing 6 is contacted and is bolted with the bearing body 1, and oil inlet passage is arranged in the top of the bearing body 1, and bottom end is arranged back
Oily channel, the thrust bearing 6 is fastened by the end face of the bearing block 8 and 1 inner wall of bearing body, compact-sized, is saved
The miniaturization of booster is realized in space.
Support is set inside the bearing body 1, and the No.1 floating bearing 3 is mounted on the bearing by the retaining ring 4
On the support of body 1, No. two floating bearings 11 are mounted on inside the bearing block 8 by the retaining ring 4, the retaining ring
4 be circlip, easy disassembly.
It is cavity structure between the No.1 floating bearing 3 and the thrust plate 5, each components is made to obtain filling for lubricating oil
It shares in the benefit cunning, extends service life of equipment.
Bulge-structure is set outside the bearing holder (housing, cover) 7, and one end of the thrust bearing 6 and one end of the bearing holder (housing, cover) 7 are neat
Flat, the other end is flushed with the side of the protrusion, compact-sized, saves space, and the other side of the protrusion is inclined-plane, described oblique
Gap is formed between face and the bearing block 8.
Asphalt channel is arranged close to the side of the oil inlet passage in the thrust bearing 6, facilitates the circulation of lubricating oil.
The internal diameter of the thrust plate 5 is less than the outer diameter of right part described in the central axis 2.
The bearing block 8 is split type bearing block, can efficiently use its inner space, to save the whole empty of booster
Between, realize the miniaturization of booster.
A kind of working condition of the arragement construction of turbo-charger shaft module are as follows:
Lubricating oil first flows through the asphalt channel of thrust bearing 6 after oil inlet passage entrance, then flows into where floating bearing 3
Position is most flowed out through drainback passage afterwards.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of arragement construction of turbo-charger shaft module, it is characterised in that: including bearing body (1), central axis (2), one
Number floating bearing (3), thrust plate (5), thrust bearing (6), bearing holder (housing, cover) (7), bearing block (8), axle envelope set (9), compressor carry on the back disk
(10) and No. two floating bearings (11),
The central axis (2) includes integrated left part and right part, and the right part outer diameter is greater than the left part outer diameter, the right part
Outer wall right-to-left is successively socketed the bearing body (1) and the No.1 floating bearing (3), No.1 floating bearing (3) peace
It is internal mounted in the bearing body (1),
The outer wall right-to-left of the left part is successively socketed the thrust plate (5), the bearing holder (housing, cover) (7) and the axle envelope set (9),
Axle envelope set (9) outer wall is socketed compressor back disk (10), and the compressor carries on the back disk (10) outer wall and the bearing body (1)
Inner wall connection, bearing holder (housing, cover) (7) the outer wall right-to-left are successively socketed the thrust bearing (6) and No. two floating bearings
(11), No. two floating bearings (11) outer wall is socketed the bearing block (8), the side of the bearing block (8) and the axle envelope
It covers (9) to connect, the other side contacts with the thrust bearing (6) and is bolted with the bearing body (1), the bearing body
(1) oil inlet passage is arranged in top, and drainback passage is arranged in bottom end, and the thrust bearing (6) relies on the end face of the bearing block (8)
It is fastened with the bearing body (1) inner wall.
2. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the bearing
Support is set inside body (1), and the No.1 floating bearing (3) is mounted on the support of the bearing body (1) by retaining ring (4)
On, No. two floating bearings (11) are mounted on the bearing block (8) inside by the retaining ring (4), and the retaining ring (4) is bullet
Property retaining ring.
3. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the No.1
It is cavity structure between floating bearing (3) and the thrust plate (5).
4. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the bearing
Cover and bulge-structure be set outside (7), one end of the thrust bearing (6) flushes with one end of the bearing holder (housing, cover) (7), the other end and
The side of the protrusion flushes, and the other side of the protrusion is inclined-plane, between being formed between the inclined-plane and the bearing block (8)
Gap.
5. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the thrust
Asphalt channel is arranged close to the side of the oil inlet passage in bearing (6).
6. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the thrust
The internal diameter of piece (5) is less than the outer diameter of the central axis (2) described right part.
7. a kind of arragement construction of turbo-charger shaft module according to claim 1, it is characterised in that: the bearing
Seat (8) is split type bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184483.9A CN107060910B (en) | 2017-03-24 | 2017-03-24 | A kind of arragement construction of turbo-charger shaft module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184483.9A CN107060910B (en) | 2017-03-24 | 2017-03-24 | A kind of arragement construction of turbo-charger shaft module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060910A CN107060910A (en) | 2017-08-18 |
| CN107060910B true CN107060910B (en) | 2019-04-05 |
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ID=59621210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184483.9A Active CN107060910B (en) | 2017-03-24 | 2017-03-24 | A kind of arragement construction of turbo-charger shaft module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060910B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223030B (en) * | 2017-12-08 | 2019-10-29 | 中国北方发动机研究所(天津) | A kind of turbocharger bearing body structure |
| CN109578509A (en) * | 2018-12-12 | 2019-04-05 | 中国北方发动机研究所(天津) | A kind of bearing arrangement |
| CN111963254A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Turbocharger structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993173A (en) * | 1996-03-06 | 1999-11-30 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Turbocharger |
| WO2008011400A2 (en) * | 2006-07-19 | 2008-01-24 | Mckeirnan Robert D Jr | Floating bearing cartridge for a turbocharger shaft |
| CN201412193Y (en) * | 2009-05-18 | 2010-02-24 | 大连恒通机车配件有限公司 | Turbo-charger bearing device |
| CN102128062A (en) * | 2010-12-31 | 2011-07-20 | 中国兵器工业集团第七○研究所 | Rotor shafting structure for ball-bearing turbocharger |
| CN204755000U (en) * | 2015-06-18 | 2015-11-11 | 宁波威孚天力增压技术有限公司 | Turbo charger of semifloating bearing with collect and float and thrust function in an organic whole |
| CN204827541U (en) * | 2015-07-13 | 2015-12-02 | 湖南天雁机械有限责任公司 | Full floating bearing turbo charger rotor system |
| CN205206886U (en) * | 2015-12-16 | 2016-05-04 | 宁波威孚天力增压技术有限公司 | Turbo charger shafting structure |
-
2017
- 2017-03-24 CN CN201710184483.9A patent/CN107060910B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993173A (en) * | 1996-03-06 | 1999-11-30 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Turbocharger |
| WO2008011400A2 (en) * | 2006-07-19 | 2008-01-24 | Mckeirnan Robert D Jr | Floating bearing cartridge for a turbocharger shaft |
| CN201412193Y (en) * | 2009-05-18 | 2010-02-24 | 大连恒通机车配件有限公司 | Turbo-charger bearing device |
| CN102128062A (en) * | 2010-12-31 | 2011-07-20 | 中国兵器工业集团第七○研究所 | Rotor shafting structure for ball-bearing turbocharger |
| CN204755000U (en) * | 2015-06-18 | 2015-11-11 | 宁波威孚天力增压技术有限公司 | Turbo charger of semifloating bearing with collect and float and thrust function in an organic whole |
| CN204827541U (en) * | 2015-07-13 | 2015-12-02 | 湖南天雁机械有限责任公司 | Full floating bearing turbo charger rotor system |
| CN205206886U (en) * | 2015-12-16 | 2016-05-04 | 宁波威孚天力增压技术有限公司 | Turbo charger shafting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060910A (en) | 2017-08-18 |
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