CN107605591A - The mandrel of turbocharger and there is its turbocharger - Google Patents
The mandrel of turbocharger and there is its turbocharger Download PDFInfo
- Publication number
- CN107605591A CN107605591A CN201711016836.0A CN201711016836A CN107605591A CN 107605591 A CN107605591 A CN 107605591A CN 201711016836 A CN201711016836 A CN 201711016836A CN 107605591 A CN107605591 A CN 107605591A
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- CN
- China
- Prior art keywords
- oil
- guide groove
- mandrel
- oil guide
- turbocharger
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- 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.)
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Abstract
The invention provides a kind of mandrel of turbocharger, including mandrel body, the periphery of the mandrel body, which is provided with, to be used to guide lubricating oil at bearing and can forming the first oil guide groove and the second oil guide groove of pump-absorb action when rotated.The mandrel of turbocharger of the present invention, reliable and stable oil film can be formed in working surface, improve lubricant effect and service life, ensure the functional reliability of turbocharger.Present invention also offers a kind of turbocharger.
Description
Technical field
The invention belongs to turbo-charger technical field, and specifically, the present invention relates to a kind of mandrel of turbocharger
And there is its turbocharger.
Background technology
The turbocharger being widely used at present is the exhaust energy using engine emission, promotes the turbine of turbine high
Speed rotation, the impeller of the compressor coaxial with turbine is driven to rotate at a high speed by middle mandrel, and then by after compresses fresh air
The compressor mechanical of supply engine work.Turbocharger can make the increase of engine aeration quantity, be available for more fuel oils abundant
Burning, so as to improve the power of engine and efficiency, reduce harmful components discharge.Especially in highlands in use, can
The air pressure of effective compensation altitude environment declines and causes the influence of power drop.
Turbocharger is more accurate parts, and in its work, central mandrel, turbine, wheel speed may be up to 2
Ten thousand revs/min, rotation can produce substantial amounts of heat and abrasion at a high speed, therefore the lubrication at turbocharger mandrel position and cooling are extremely
Important.
The lubrication of conventional turbocharger generally uses and borrows engine oil gallery fuel feeding, turbocharger lubricating oil pressure
Establish and only provide oil pressure by engine oil pump, and pass through a system such as engine cylinder-body internal oil channel and turbocharger oil-feed oil pipe
After the long long pipeline of row, reach the oil pressure of turbocharger and influenceed its lubricating oil oil pressure by line loss and declined to a great extent.This
Lubricating oil oil pressure deficiency in turbocharger can be usually caused, so as to which stable oil film can not be formed, causes mandrel surface and axle
Hold, the metal between thrust ring directly contacts, make its occur heavy wear, steel and iron parts tempering discoloration, bearing material be adhered to phase
A series of problems, such as on the skin accessory answered, and then operating, the fracture of influence axle cause turbo impairment to fail.
And the measure of the insufficient problem of more processing turbocharger lubricating oil pressure at present rely primarily in：
1st, increase additional valves, oil return is limited, to increase oil pressure；
2nd, extra compressor gun structure is increased；
3rd, lubricating oil model is changed, high oil pressure is obtained by changing lubricating oil quality.
Above method is required to carry out significantly design alteration to traditional turbocharger, improves design cost, production
Cost and technology difficulty, and the extra parts such as increased valve class or force (forcing) pump, improve the complexity of turbocharger, drop
The low reliability of turbocharger.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention provides a kind of whirlpool
Take turns the mandrel of booster and there is its turbocharger, it is therefore an objective to improve lubricant effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：The mandrel of turbocharger, including core
Shaft body, the periphery of the mandrel body, which is provided with, to be used to guide lubricating oil at bearing and can forming pumping when rotated
The first oil guide groove and the second oil guide groove of effect.
First oil guide groove connects with second oil guide groove, the first oil guide groove and the V-shaped arrangement of the second oil guide groove.
It is along week on the periphery of the mandrel body that first oil guide groove, which sets multiple and multiple first oil guide grooves,
To being uniformly distributed, second oil guide groove set multiple and multiple second oil guide grooves be on the periphery of mandrel body circumferentially
It is uniformly distributed, the first oil guide groove is identical with the quantity of the second oil guide groove.
First oil guide groove is the centre extended to from one end of the mandrel body on the length direction of mandrel body
Opening position, second oil guide groove are from the centre that the other end of the mandrel body is extended on the length direction of mandrel body
Opening position.
Present invention also offers a kind of turbocharger, including intermediate and above-mentioned mandrel, mandrel sets to be rotatable
It is placed in the inside of the intermediate.
The inside of the intermediate is provided with fuel feed hole, connected with fuel feed hole and the transverse direction parallel with the axial direction of mandrel body
Oil duct and the first oil pocket and the second oil pocket connected with horizontal oil duct, the first oil pocket and the second oil pocket are described to be oppositely arranged
First oil guide groove connects with the first oil pocket, and second oil guide groove connects with the second oil pocket.
The inside of the intermediate is provided with the back oil road connected with first oil guide groove and second oil guide groove, oil return
Road and the horizontal oil duct are located at the side of the mandrel respectively.
The mandrel of turbocharger of the present invention, reliable and stable oil film can be formed in working surface, improve lubricant effect
And service life, ensure the functional reliability of turbocharger；Moreover, the first oil guide groove and the second oil guide groove are arranged on mandrel
On the face of cylinder of body, it is not necessary to additional processing is carried out on booster intermediate body, reduces process complexity, being favorably improved can
By property.
Brief description of the drawings
Fig. 1 is the structural representation of the mandrel of turbocharger of the present invention；
Fig. 2 is the sectional view of turbocharger of the present invention, and arrow is oil flow direction in figure；
Mark in above-mentioned figure is：1st, bearing；2nd, mandrel；201st, mandrel body；202nd, the first oil guide groove；203rd, second
Oil guide groove；204th, the first conus portion；205th, the second conus portion；206th, first connecting portion；207th, second connecting portion；3rd, intermediate；
301st, fuel feed hole；302nd, horizontal oil duct；303rd, the first oil pocket；304th, the second oil pocket；305th, back oil road.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the invention is made further details of
Explanation, it is therefore an objective to help those skilled in the art to have more complete, accurate and deep reason to design of the invention, technical scheme
Solution, and contribute to its implementation.
As depicted in figs. 1 and 2, the invention provides a kind of mandrel of turbocharger, including mandrel body 201, mandrel
Body 201 is cylinder, and the periphery of mandrel body 201, which is provided with, to be used to guide lubricating oil at bearing 1 and when rotated
The first oil guide groove 202 and the second oil guide groove 203 of pump-absorb action can be formed.Mandrel provides support, mandrel body 201 by bearing 1
Periphery be the face of cylinder, the periphery of mandrel body 201 contacts with bearing 1, the first oil guide groove 202 and the second oil guide groove 203
The lubricating oil entered in turbocharger can be delivered directly to the working surface that mandrel and bearing 1 contact, form stabilization
Oil film, realize the proper lubrication of mandrel and bearing 1.
Specifically, as depicted in figs. 1 and 2, the first oil guide groove 202 is to extend to mandrel from one end of mandrel body 201
Middle position on the length direction of body 201, the second oil guide groove 203 are to extend to core from the other end of mandrel body 201
Middle position on the length direction of shaft body 201.First oil guide groove 202 connects with the second oil guide groove 203, the first oil guide groove
202 and 203 V-shaped arrangement of the second oil guide groove, the length direction of the length direction of the first oil guide groove 202 and the second oil guide groove 203
Between there is angle and the angle to be obtuse angle.Between the length direction of first oil guide groove 202 and the length direction of mandrel body 201
It is acute angle with angle and the angle, has between the length direction of the second oil guide groove 203 and the length direction of mandrel body 201
Angle and the angle are acute angle, and the angle between the length direction of the first oil guide groove 202 and the length direction of mandrel body 201 is big
Small and the second oil guide groove 203 length direction is identical with the corner dimension between the length direction of mandrel body 201, the first Oil Guide
The oil guide groove 203 of groove 202 and second is to be arranged symmetrically.
As depicted in figs. 1 and 2, the first oil guide groove 202 and the second oil guide groove 203 are helicla flute, and bearing 1 is in the first Oil Guide
Support is provided to mandrel at the oil guide groove 203 of groove 202 and second, the first oil guide groove 202 and the second oil guide groove 203 make mandrel body
201 periphery possesses the effect similar to water turbine pumps blade wheel structure.When turbocharger operation, mandrel rotates at a high speed,
The first oil guide groove 202 and the second oil guide groove 203 is formed pump-absorb action, exist into the low pressure oil in turbocharger internal galleries
Pressurizeed under the pump-absorb action of first oil guide groove 202 and the second oil guide groove 203, the hydraulic oil after pressurization passes through the first oil guide groove simultaneously
202 and second oil guide groove 203 be transported at bearing 1.
As preferable, as depicted in figs. 1 and 2, the first oil guide groove 202 sets multiple and multiple first oil guide grooves 202 to be
It is uniformly distributed circumferentially on the periphery of mandrel body 201, the second oil guide groove 203 sets multiple and multiple second oil guide grooves
203 is are uniformly distributed circumferentially on the periphery of mandrel body 201, the quantity of the first oil guide groove 202 and the second oil guide groove 203
It is identical.First oil guide groove 202 and the second oil guide groove 203 provide reliable and stable pump-absorb action and lubricating oil flow is oriented to, to carry
For stable lubrication pressure, the functional reliability of turbocharger is improved.
As depicted in figs. 1 and 2, mandrel also include be fixedly connected with one end of mandrel body 201 the first conus portion 204,
The second conus portion 205 being fixedly connected with the other end of mandrel body 201, the first company being fixedly connected with the first conus portion 204
Socket part 206 and the second connecting portion 207 being fixedly connected with the second conus portion 205.The mandrel of turbocharger is to be used to connect whirlpool
The turbine and impeller of booster are taken turns, mandrel is to be rotatably arranged on the intermediate 3 of turbocharger, intermediate 3 and turbine
The compressor casing and turbine casing of booster are fixedly connected and intermediate 3 is between compressor casing and turbine casing, and turbine is
The inside of turbine casing is rotatably arranged on, impeller is the inside for being rotatably arranged on compressor casing.The first of mandrel connects
Socket part 206 is fixedly connected with impeller, and the second connecting portion 207 of mandrel is fixedly connected with turbine, first connecting portion 206 and
Two connecting portions 207 are cylinder and first connecting portion 206 and second connecting portion 207 with mandrel body 201 to be coaxially disposed.The
One conus portion 204 and the second conus portion 205 are cone, and the first conus portion 204 is located at first connecting portion 206 and mandrel body
It is fixedly connected between 201 and with first connecting portion 206 and mandrel body 201, the second conus portion 205 is located at second connecting portion 207
It is fixedly connected between mandrel body 201 and with second connecting portion 207 and mandrel body 201, the first conus portion 204 and the second circle
Tapering 205 and be coaxial with mandrel body 201.
As depicted in figs. 1 and 2, present invention also offers a kind of turbocharger, including bearing 1, intermediate 3 and above-mentioned knot
The mandrel of structure, mandrel are the inside for being rotatably arranged on intermediate 3, and bearing 1 sets two and two in the inside of intermediate 3
Bearing 1 is sheathed on mandrel body 201, and two bearings 1 are between the first conus portion 204 and the second conus portion 205, two axles
1 is held jointly to provide a supporting role mandrel.In two bearings 1, one of bearing 1 is covered at corresponding first oil guide groove 202
On mandrel body 201, another bearing 1 is to be sheathed at corresponding second oil guide groove 203 on mandrel body 201, first
The lubricating oil entered inside intermediate 3 is separately directed at corresponding bearing 1 by the oil guide groove 203 of oil guide groove 202 and second, is realized
Lubrication.
As depicted in figs. 1 and 2, the inside of intermediate 3 be provided with fuel feed hole 301, connect with fuel feed hole 301 and with mandrel body
The 201 parallel horizontal oil duct 302 in axial direction and the first oil pocket 303 and the second oil pocket 304 that are connected with horizontal oil duct 302,
First oil pocket 303 and the second oil pocket 304 is are oppositely arranged, and the first oil guide groove 202 connects with the first oil pocket 303, the second oil guide groove
203 connect with the second oil pocket 304.Horizontal oil duct 302 is between the first oil pocket 303 and the second oil pocket 304, horizontal oil duct 302
Length direction and fuel feed hole 301 axial direction it is perpendicular, horizontal oil duct 302 by enter fuel feed hole 301 in lubricating oil guide to
In first oil pocket 303 and the second oil pocket 304.First conus portion 204 of mandrel is located in the first oil pocket 303, the second circle of mandrel
Tapering 205 is located in the second oil pocket 304, and the lubricating oil in the first oil pocket 303 is directed to a bearing through the first oil guide groove 202
At 1, the lubricating oil in the second oil pocket 304 is directed at another bearing 1 through the second oil guide groove 203.Fuel feed hole 301 is with starting
Machine turbocharger oil inlet pipe connects, and oil leab set above mandrel is and fuel feed hole 301 and axle in turbocharger
Hold the horizontal oil duct 302 that 1 top oil leab is connected.Oil-feed side adds a horizontal oil duct 302, respectively by turbocharging
Device fuel feed hole 301 is joined directly together with oil pocket where the end cone face of mandrel two, is low-pressure side.
As depicted in figs. 1 and 2, the inside of intermediate 3 is provided with what is connected with the first oil guide groove 202 and the second oil guide groove 203
Back oil road 305, back oil road 305 and horizontal oil duct 302 are located at the side of mandrel respectively, back oil road 305 positioned at two bearings 1 it
Between, the axial direction of the length direction and back oil road 305 of horizontal oil duct 302 is perpendicular.
The lubricating method of turbocharger of the present invention is specially：
Lubricating oil enters horizontal oil duct 302 through fuel feed hole 301, enters back into the top oil leab of bearing 1 and the first oil pocket 303
In the second oil pocket 304；During mandrel high-speed rotation, in the pump-absorb action of the first oil guide groove 202 and the second oil guide groove 203 and
Under guide effect, lubricating oil contacts with bearing 1 surface in mandrel and forms stable oil film, then the back oil road through turbocharger again
305 flow to turbocharger of motor flowline, complete lubrication.
The internal galleries of the turbocharger of the present invention have been carried out again on the basis of conventional turbocharger internal galleries
Design, internal galleries and the conventional turbocharger internal galleries difference part of turbocharger of the invention are：(1) oil-feed
Side adds a horizontal oil duct 302, respectively by oil where two conical surfaces of turbocharger oil input channel and turbocharger mandrel
Chamber is joined directly together.(2) when turbocharger operation, mandrel rotates at a high speed, the helicla flute on mandrel is formed pump-absorb action.Come
From the fuel feed hole 301 in turbocharger and by the low pressure oil of horizontal oil duct 302, the helicla flute on the face of cylinder face of mandrel
Pressurizeed under pump-absorb action, and at guide bearing 1.
The present invention need not be carried out to conventional turbocharger on the premise of significantly changing and increasing additional elements, effectively
The lubrication pressure of mandrel and the contact site of bearing 1 is improved, realizes the effectively lubricating of bearing 1, the worksheet that mandrel contacts with bearing 1
Face forms reliable and stable oil film, improves the service life of bearing 1 and mandrel, ensures the functional reliability of turbocharger.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (7)
1. the mandrel of turbocharger, including mandrel body, it is characterised in that：The periphery of the mandrel body, which is provided with, to be used for
Lubricating oil is guided at bearing and can forming the first oil guide groove and the second oil guide groove of pump-absorb action when rotated.
2. the mandrel of turbocharger according to claim 1, it is characterised in that：First oil guide groove and described second
Oil guide groove connects, the first oil guide groove and the V-shaped arrangement of the second oil guide groove.
3. the mandrel of turbocharger according to claim 1 or 2, it is characterised in that：First oil guide groove sets more
To be uniformly distributed circumferentially on the periphery of the mandrel body, second oil guide groove is set individual and multiple first oil guide grooves
Multiple and multiple second oil guide grooves is are uniformly distributed circumferentially on the periphery of mandrel body, the first oil guide groove and the second Oil Guide
The quantity of groove is identical.
4. the mandrel of turbocharger according to any one of claims 1 to 3, it is characterised in that：First oil guide groove is
The middle position extended to from one end of the mandrel body on the length direction of mandrel body, second oil guide groove be from
The middle position that the other end of the mandrel body is extended on the length direction of mandrel body.
5. turbocharger, including intermediate, it is characterised in that：Also include any described mandrel of Claims 1-4, mandrel
To be rotatably arranged on the inside of the intermediate.
6. turbocharger according to claim 5, it is characterised in that：The inside of the intermediate be provided with fuel feed hole, with
Fuel feed hole connects and the horizontal oil duct parallel with the axial direction of mandrel body and the first oil pocket for being connected with horizontal oil duct and the
Two oil pockets, the first oil pocket and the second oil pocket is are oppositely arranged, and first oil guide groove connects with the first oil pocket, second Oil Guide
Groove connects with the second oil pocket.
7. turbocharger according to claim 6, it is characterised in that：The inside of the intermediate is provided with and described first
The back oil road that oil guide groove connects with second oil guide groove, back oil road and the horizontal oil duct are located at the one of the mandrel respectively
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016836.0A CN107605591A (en) | 2017-10-26 | 2017-10-26 | The mandrel of turbocharger and there is its turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016836.0A CN107605591A (en) | 2017-10-26 | 2017-10-26 | The mandrel of turbocharger and there is its turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107605591A true CN107605591A (en) | 2018-01-19 |
Family
ID=61081025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016836.0A Pending CN107605591A (en) | 2017-10-26 | 2017-10-26 | The mandrel of turbocharger and there is its turbocharger |
Country Status (1)
| Country | Link |
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| CN (1) | CN107605591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707467A (en) * | 2018-11-30 | 2019-05-03 | 江苏理工学院 | A kind of anti-carbon deposition turbocharger |
| CN113464270A (en) * | 2021-06-09 | 2021-10-01 | 东风汽车集团股份有限公司 | Supercharger, lubricating system and lubricating method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102032002A (en) * | 2009-09-28 | 2011-04-27 | 霍尼韦尔国际公司 | Helical inner diameter groove journal bearing |
| JP2013053566A (en) * | 2011-09-05 | 2013-03-21 | Otics Corp | Bearing device for supercharger |
| CN104481698A (en) * | 2014-12-12 | 2015-04-01 | 常州环能涡轮动力股份有限公司 | Marine low-power turbosuperchager |
| CN105673193A (en) * | 2016-02-22 | 2016-06-15 | 奇瑞汽车股份有限公司 | Turbocharger for increasing lubricating oil pressure and lubricating method thereof |
-
2017
- 2017-10-26 CN CN201711016836.0A patent/CN107605591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032002A (en) * | 2009-09-28 | 2011-04-27 | 霍尼韦尔国际公司 | Helical inner diameter groove journal bearing |
| JP2013053566A (en) * | 2011-09-05 | 2013-03-21 | Otics Corp | Bearing device for supercharger |
| CN104481698A (en) * | 2014-12-12 | 2015-04-01 | 常州环能涡轮动力股份有限公司 | Marine low-power turbosuperchager |
| CN105673193A (en) * | 2016-02-22 | 2016-06-15 | 奇瑞汽车股份有限公司 | Turbocharger for increasing lubricating oil pressure and lubricating method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707467A (en) * | 2018-11-30 | 2019-05-03 | 江苏理工学院 | A kind of anti-carbon deposition turbocharger |
| CN109707467B (en) * | 2018-11-30 | 2022-02-11 | 江苏理工学院 | Carbon deposition prevention turbocharger |
| CN113464270A (en) * | 2021-06-09 | 2021-10-01 | 东风汽车集团股份有限公司 | Supercharger, lubricating system and lubricating method |
| CN113464270B (en) * | 2021-06-09 | 2022-09-09 | 东风汽车集团股份有限公司 | Supercharger, lubricating system and lubricating method |
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| PB01 | Publication | ||
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Application publication date: 20180119 |