CN105134780A - Supercharger and floating bearing thereof - Google Patents
Supercharger and floating bearing thereof Download PDFInfo
- Publication number
- CN105134780A CN105134780A CN201510357057.1A CN201510357057A CN105134780A CN 105134780 A CN105134780 A CN 105134780A CN 201510357057 A CN201510357057 A CN 201510357057A CN 105134780 A CN105134780 A CN 105134780A
- Authority
- CN
- China
- Prior art keywords
- bearing
- steel bushing
- floating bearing
- bearing body
- pressurized machine
- 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.)
- Pending
Links
Classifications
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a supercharger and a floating bearing thereof, wherein the floating bearing of the supercharger includes an annular-shaped first bearing body, an annular-shaped steel bushing and an annular-shaped second bearing body; the first bearing body is arranged at the outer ring of the steel bushing, and the second bearing body is arranged at the inner ring of the steel bushing; the floating bearing is provided with an oil inlet hole and a limit hole, the limit hole penetrates through the first bearing body and is ended at the interior of the steel bushing. The supercharger floating bearing disclosed by the invention comprises the first bearing body arranged at the outer ring, the steel bushing arranged at the middle, and the second bearing body arranged at the inner ring, and the steel bushing, the first bearing body and the second bearing body are formed into a whole and form the floating bearing. Because the limit hole penetrates through the first bearing body and is ended at the interior of the steel bushing, when in use, a positioning part can directly make contact with the steel bushing, under the action of the steel bushing, the floating bearing self has an impact resistant ability, the service life of the floating bearing is prolonged to a certain extent, and the maintenance cost is reduced.
Description
Technical field
The present invention relates to mechanical device technical field, more particularly, relate to a kind of floating bearing of pressurized machine.In addition, the invention still further relates to a kind of pressurized machine with the floating bearing of above-mentioned pressurized machine.
Background technique
Pressurized machine is the parts that motor car engine generally adopts; it can increase the power of motor; also the performance of motor can be improved to a certain extent; and floating bearing is an indispensable part on pressurized machine; it can protect bearing; reduce frictional power loss, improve the working life of bearing.
Refer to Fig. 1 to Fig. 2, existing pressurized machine floating bearing, it comprises bearing body 11, and bearing body 11 is provided with limiting hole 12, for limiting the movement in the axial direction of pressurized machine floating bearing.Because the hardness of the limit stoper used when limiting is comparatively large, therefore easily destroying the part of limiting hole 12 on bearing body 11, in order to protect bearing body 11 not to be destroyed, usually needing extra steel bushing 13 of installing in limiting hole 12 not to be destroyed to protect limiting hole 12.But pressurized machine floating bearing itself does not have the effect that opposing destroys, when using together in conjunction with steel bushing 13, easily cause the installation failure of steel bushing 13, thus reduce the yield rate of pressurized machine floating bearing, make cost higher.
In sum, how providing a kind of floating bearing of pressurized machine, to improve the shock resistance of floating bearing, and reduce costs, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of floating bearing of pressurized machine, to improve the shock resistance of floating bearing, and reduce costs.Another object of the present invention is to provide a kind of pressurized machine with the floating bearing of above-mentioned pressurized machine.
To achieve these goals, the invention provides following technological scheme:
A kind of floating bearing of pressurized machine, comprise clutch shaft bearing body in the form of a ring, steel bushing and the second bearing body, described clutch shaft bearing body is arranged on the outer ring of described steel bushing, described second bearing body is arranged on the inner ring of described steel bushing, floating bearing is provided with oil inlet hole and limiting hole, and described limiting hole runs through described clutch shaft bearing body, and end at the inside of described steel bushing.
Preferably, described steel bushing is set to thread bush.
Preferably, described clutch shaft bearing body casting is in the outer ring of described steel bushing, and described second bearing body casts in the inner ring of described steel bushing.
Preferably, described steel bushing adopts medium carbon alloy steel to make.
Preferably, described clutch shaft bearing body and described second bearing body all adopt zinc base bearing cast to form.
Preferably, described oil inlet hole is divided into cylindrical hole portion and round platform hole portion, and described round platform hole portion is positioned on described second bearing body, and described clutch shaft bearing body and described steel bushing are run through in described cylindrical hole portion.
Preferably, the number of described oil inlet hole and described limiting hole is three, and described oil inlet hole and described limiting hole are distributed on described floating bearing.
The floating bearing of pressurized machine provided by the invention, comprise be arranged on outer ring clutch shaft bearing body, be arranged on middle steel bushing and be arranged on the second bearing body of inner ring, namely steel bushing becomes to be integrated with clutch shaft bearing body and the second bearing body, and forms floating bearing.Because limiting hole is through clutch shaft bearing body, and end at steel bushing inside, therefore, in use, locating piece can directly contact with steel bushing, and under the effect of steel bushing, this floating bearing itself is provided with shock proof ability, extend the working life of floating bearing to a certain extent, reduce maintenance cost.
Based on the floating bearing of the above-mentioned pressurized machine provided, the present invention also provides a kind of pressurized machine, comprises turbine shaft, impeller and floating bearing, and described impeller is arranged on one end of described turbine shaft, and described floating bearing is arranged on the outer ring of described turbine shaft; Wherein, described floating bearing is the floating bearing of the pressurized machine described in above-mentioned any one.
Because this pressurized machine has the floating bearing of above-mentioned pressurized machine, therefore, the technique effect that the floating bearing that what this pressurized machine was direct or indirect have above-mentioned pressurized machine has.
Preferably, described pressurized machine is arranged two described floating bearings.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The axial sectional structure schematic diagram of the pressurized machine floating bearing that Fig. 1 provides for prior art;
The radial sectional structure schematic diagram of the pressurized machine floating bearing that Fig. 2 provides for prior art;
The axial sectional structure schematic diagram of the floating bearing of the pressurized machine that Fig. 3 provides for the embodiment of the present invention;
The radial sectional structure schematic diagram of the floating bearing of the pressurized machine that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the pressurized machine that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3 to Fig. 4, the floating bearing of the pressurized machine that the embodiment of the present invention provides, it mainly comprises three parts, namely comprise clutch shaft bearing body 21, steel bushing 22 and the second bearing body 23, and above-mentioned three parts all in the form of a ring.Above-mentioned clutch shaft bearing body 21 is arranged on the outer ring of steel bushing 22, and the second bearing body 23 is arranged on the inner ring of steel bushing 22.Concrete, can after machining steel bushing 22, clutch shaft bearing body 21 and the second bearing body 23 are cast in respectively outer ring and the inner ring of steel bushing 22, this cast molding can make the processing of floating bearing 20 fast convenient.Relative to existing pressurized machine floating bearing, in the present embodiment, floating bearing 20 self is provided with good intensity and impact property, and processing technology is easier, and then reduces cost of production, improves the yield rate of product.
Above-mentioned floating bearing 20 being provided with limiting hole 25, by being arranged on by locating piece in limiting hole 25, just can limiting floating bearing 20 movement in the axial direction, make floating bearing 20 be geo-stationary in the axial direction.Preferably, limiting hole 25 runs through clutch shaft bearing body 21, and ends at the inside of steel bushing 22.Now, locating piece can stretch to certain depth in steel bushing 22, because the hardness of steel bushing 22 is relatively large, therefore, it is possible to reduce locating piece to the destruction of floating bearing 20, thus improves the working life of floating bearing 20.
In addition, floating bearing 20 is also provided with oil inlet hole 24, this oil inlet hole 24 by certain oil mass, thus can lubricate floating bearing 20, reduces the friction that floating bearing 20 is suffered when rotating, and then improves the working life of floating bearing 20.Preferably, oil inlet hole 24 is divided into cylindrical hole portion and round platform hole portion, and clutch shaft bearing body 21 and steel bushing 22 are run through in its cylindrical hole portion, and round platform hole portion is positioned on the second bearing body 23, and the diameter in round platform hole portion becomes large from steel bushing 22 gradually to the second bearing body 23.Certainly, this oil inlet hole 24 also can be set to all the other forms, does not limit herein.
Preferably, the number of oil inlet hole 24 and limiting hole 25 is three, and oil inlet hole 24 and limiting hole 25 are distributed on floating bearing 20.Be understandable that, oil inlet hole 24 herein and the number of limiting hole 25, size and setting position etc. all do not do concrete restriction, and the demand that can use according to reality specifically sets.
Preferably, above-mentioned steel bushing 22 is set to thread bush, makes steel bushing 22 surface have certain fluctuating, and increase the surface area of steel bushing 22, therefore, when casting clutch shaft bearing body 21 and the second bearing body 23, it can be made better to be fixed on the surface of steel bushing 22, and to be not easy to come off.Certainly, this setting also can ensure when floating bearing 20 rotates, and can not slide, guarantee the normal use of floating bearing 20 between steel bushing 22 and clutch shaft bearing body 21 and the second bearing body 23.
Consider the strength demand of floating bearing 20, and characteristic when floating bearing 20 uses, steel bushing 22 can be set to medium carbon alloy steel steel bushing, and clutch shaft bearing body 21 and the second bearing body 23 adopt Vaucher alloy to cast.Medium carbon alloy steel can meet the strength demand of steel bushing 22, and Vaucher alloy has good mechanical property and wear resistance, can improve the operating characteristic of floating bearing 20.When both material fit processing use, more can optimize the structure property of floating bearing 20, improve its intensity, and simplify its processing technology.
The floating bearing of the pressurized machine that the embodiment of the present invention provides, comprise be arranged on outer ring clutch shaft bearing body 21, be arranged on middle steel bushing 22 and be arranged on the second bearing body 23 of inner ring, namely steel bushing 22 is integrated with clutch shaft bearing body 21 and the second bearing body 23 one-tenth, and forms floating bearing 20.Because limiting hole 25 is through clutch shaft bearing body 21, and it is inner to end at steel bushing 22, therefore, in use, locating piece can directly contact with steel bushing 22, and under the effect of steel bushing 22, this floating bearing 20 itself is provided with shock proof ability, extend the working life of floating bearing 20 to a certain extent, reduce maintenance cost.
The floating bearing of the pressurized machine that the embodiment of the present invention provides, strengthens from the inside of floating bearing 20 itself, makes itself to have shock proof performance, improves the working life of floating bearing 20 self, and reduces maintenance cost to a certain extent.
Based on the floating bearing of the pressurized machine that above-described embodiment provides, the embodiment of the present invention also provides a kind of pressurized machine, and comprise turbine shaft 32, impeller 35 and floating bearing 20, impeller 35 is arranged on one end of turbine shaft 32, and floating bearing 20 is arranged on the outer ring of turbine shaft 32; Wherein, floating bearing 20 is the floating bearing of above-mentioned pressurized machine.Preferably, pressurized machine is provided with two floating bearings 20.
Because this pressurized machine has the floating bearing of above-mentioned pressurized machine, therefore, the technique effect that the floating bearing that what this pressurized machine was direct or indirect have above-mentioned pressurized machine has.
In addition, this pressurized machine also has cartridge housing 31, thrust block pad 33 and thrust-bearing 34, and cartridge housing 31 is arranged on above turbine shaft 32, and thrust block pad 33 is disposed adjacent the outer ring in turbine shaft 32 with thrust-bearing 34, to ensure the smooth rotation of turbine shaft 32.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the present invention.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the floating bearing of a pressurized machine, it is characterized in that, comprise clutch shaft bearing body (21) in the form of a ring, steel bushing (22) and the second bearing body (23), described clutch shaft bearing body (21) is arranged on the outer ring of described steel bushing (22), described second bearing body (23) is arranged on the inner ring of described steel bushing (22), floating bearing (20) is provided with oil inlet hole (24) and limiting hole (25), and described limiting hole (25) runs through described clutch shaft bearing body (21), and end at the inside of described steel bushing (22).
2. the floating bearing of pressurized machine according to claim 1, is characterized in that, described steel bushing (22) is set to thread bush.
3. the floating bearing of pressurized machine according to claim 1, it is characterized in that, described clutch shaft bearing body (21) casts in the outer ring of described steel bushing (22), and described second bearing body (23) casts in the inner ring of described steel bushing (22).
4. the floating bearing of pressurized machine according to claim 3, is characterized in that, described steel bushing (22) adopts medium carbon alloy steel to make.
5. the floating bearing of pressurized machine according to claim 3, is characterized in that, described clutch shaft bearing body (21) and described second bearing body (23) all adopt zinc base bearing cast to form.
6. the floating bearing of pressurized machine according to claim 1, it is characterized in that, described oil inlet hole (24) is divided into cylindrical hole portion and round platform hole portion, described round platform hole portion is positioned on described second bearing body (23), and described clutch shaft bearing body (21) and described steel bushing (22) are run through in described cylindrical hole portion.
7. the floating bearing of the pressurized machine according to any one of claim 1 to 6, it is characterized in that, the number of described oil inlet hole (24) and described limiting hole (25) is three, and described oil inlet hole (24) and described limiting hole (25) are distributed on described floating bearing (20).
8. a pressurized machine, comprise turbine shaft (32), impeller (35) and floating bearing (20), described impeller (35) is arranged on one end of described turbine shaft (32), and described floating bearing (20) is arranged on the outer ring of described turbine shaft (32); It is characterized in that, the floating bearing that described floating bearing (20) is the pressurized machine as described in any one of claim 1 to 7.
9. pressurized machine according to claim 8, is characterized in that, described pressurized machine is arranged two described floating bearings (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357057.1A CN105134780A (en) | 2015-06-25 | 2015-06-25 | Supercharger and floating bearing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357057.1A CN105134780A (en) | 2015-06-25 | 2015-06-25 | Supercharger and floating bearing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105134780A true CN105134780A (en) | 2015-12-09 |
Family
ID=54720273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510357057.1A Pending CN105134780A (en) | 2015-06-25 | 2015-06-25 | Supercharger and floating bearing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3974669A1 (en) * | 2020-09-24 | 2022-03-30 | Flender GmbH | Sliding bearing sleeve for sliding bearing with increased bearing capacity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080371A (en) * | 1992-01-14 | 1994-01-05 | 亚瑞亚·勃朗勃威力有限公司 | Radial bearing |
| CN1245863A (en) * | 1998-07-29 | 2000-03-01 | 亚瑞亚·勃朗勃威力有限公司 | Radial bearing |
| WO2002004827A1 (en) * | 2000-07-10 | 2002-01-17 | Bently Nevada Corporation | A hydrostatic bearing for use in a turbocharger |
| CN202040204U (en) * | 2011-05-20 | 2011-11-16 | 重庆德蚨乐机械制造有限公司 | Bimetallic semi-floating supporting sliding bearing for high pressure ratio marine supercharger |
| CN202756436U (en) * | 2012-08-28 | 2013-02-27 | 常州市索特动力工程有限公司 | Turbocharger oil film suspension slide bearing |
-
2015
- 2015-06-25 CN CN201510357057.1A patent/CN105134780A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080371A (en) * | 1992-01-14 | 1994-01-05 | 亚瑞亚·勃朗勃威力有限公司 | Radial bearing |
| CN1245863A (en) * | 1998-07-29 | 2000-03-01 | 亚瑞亚·勃朗勃威力有限公司 | Radial bearing |
| WO2002004827A1 (en) * | 2000-07-10 | 2002-01-17 | Bently Nevada Corporation | A hydrostatic bearing for use in a turbocharger |
| CN202040204U (en) * | 2011-05-20 | 2011-11-16 | 重庆德蚨乐机械制造有限公司 | Bimetallic semi-floating supporting sliding bearing for high pressure ratio marine supercharger |
| CN202756436U (en) * | 2012-08-28 | 2013-02-27 | 常州市索特动力工程有限公司 | Turbocharger oil film suspension slide bearing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3974669A1 (en) * | 2020-09-24 | 2022-03-30 | Flender GmbH | Sliding bearing sleeve for sliding bearing with increased bearing capacity |
| WO2022063710A1 (en) | 2020-09-24 | 2022-03-31 | Flender Gmbh | Plain bearing bush for plain bearings with increased load-bearing capacity |
| US11852190B2 (en) | 2020-09-24 | 2023-12-26 | Flender Gmbh | Plain bearing bush for plain bearings with increased load-bearing capacity |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |