CN107905850B - A kind of nozzle ring for turbocharger - Google Patents
A kind of nozzle ring for turbocharger Download PDFInfo
- Publication number
- CN107905850B CN107905850B CN201711062333.7A CN201711062333A CN107905850B CN 107905850 B CN107905850 B CN 107905850B CN 201711062333 A CN201711062333 A CN 201711062333A CN 107905850 B CN107905850 B CN 107905850B
- Authority
- CN
- China
- Prior art keywords
- disc
- mounting disc
- shifting fork
- shift fork
- blade
- 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.)
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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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
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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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
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- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of nozzle rings for turbocharger, it includes liner plate, mounting disc and shifting fork disc, it is arranged at intervals with spacing axis between the liner plate and mounting disc and is arranged at intervals with blade, shifting fork disc is sleeved in mounting disc outer circle and can make rotation with one heart around mounting disc, shifting fork disc is movably connected by pin shaft interval with one end of the connection board, the other end of connecting plate is movably connected by pin shaft and shift fork one end, the shift fork other end is fixedly linked with sharf one end, and the sharf other end passes through mounting disc and blade is fixedly linked and is fixed on liner plate.The present invention provides a kind of shifting disc rotation radial positionings directly to carry out radial positioning with mounting disc outer circle, it does not need to open up cylindrical groove on shifting disc with shift fork one end to cooperate yet, but come shift fork in the form of riveting plate, its structure is more compact, it processes more simple and convenient, machining accuracy is higher, the more consistent nozzle ring of blade synchronization.
Description
Technical field
The present invention relates to turbocharger, more particularly, to a kind of nozzle ring in turbocharger.
Background technique
It is well known that turbocharger is pressurized for air-intake of combustion engine, the product of working efficiency of internal combustion engine is promoted, it is
The turbo blade of exhaust end on exhaust pipe is installed on by the exhaust-driven turbocharger that internal combustion engine is discharged, then is driven on coaxial
The air end of booster blade rotating inlet of the turbocharger for being installed on intake lines of combustion engines be pressurized, mention admission pressure
It rises, improving engine conditions to promote blade of the power of internal combustion engine wherein in nozzle ring capable of changing cross sections is by certain angle
Rotation changes exhaust cross-sectional sizes, to adjust turbocharger exhaust pressure, controls turbo charger speed, and then control
The components of boost pressure since nozzle ring work is under about 600 DEG C ~ 1200 DEG C of high temperature and high pressure environment, thus require spray
Mouth ring has high mechanical performance and machining accuracy.
There is also have following problems at work for existing turbocharger nozzle ring capable of changing cross sections: shifting fork disc, which drives, to be dialled
Fork, shift fork drive blade oscillating, are fixed at peace by arc groove thereon and with guide wheel pin interval when shifting fork disc rotates
The mutually embedding of guide wheel in sabot is slidably matched to realize the radial positioning of shifting fork disc rotation, first is that due to guide wheel pin installation error and
The mismachining tolerance and shifting fork disc of arc groove work after a certain period of time, the wearing clearance of every group of arc groove and guide wheel cooperation
Increase, the circular runout of shifting fork disc rotation increases, and the blade rotation angular error for causing shifting fork disc that shift fork is driven to swing increases, leaf
The initial time of piece rotation and the rate of angular turn are inconsistent, and the synchronism for causing blade to rotate reduces；It is shift fork one end again
It is fixedly linked with blade, and the shift fork other end is built-in in the cylindrical groove on shifting fork disc, when shifting fork disc rotates, due to cylindricality
Groove and shift fork other end cooperation contact gap are less uniform, work after a certain period of time, the swing of shift fork will faster or slower, make
It cannot be rotated synchronously at blade.It is uneven that the presence of both problems will cause air inflow in the unit time, to influence to start
The working performance of machine.
Summary of the invention
For above-mentioned the problems of nozzle ring in the prior art, it is radial fixed that the present invention provides a kind of rotations of shifting fork disc
Position does not need the guide wheel phase scarf conjunction for opening up arc groove on it with being fixed in mounting disc, but directly makes shifting fork disc and peace
The cooperation of sabot outer circle carries out radial positioning, does not also need to open up cylindrical groove on shifting fork disc with shift fork one end to cooperate, but
Come shift fork in the form of riveting plate, structure is more compact, and processing is more simple and convenient, and machining accuracy is higher, leaf
The more consistent nozzle ring of piece synchronism.
The technical problem to be solved in the present invention is adopted the technical scheme that: the nozzle ring packet for turbocharger
Liner plate, mounting disc and shifting fork disc are included, spacing axis is arranged at intervals between the liner plate and mounting disc and is arranged at intervals with blade, institute
It states shifting fork disc to be fitted in mounting disc outer circle and rotation with one heart can be made around mounting disc, the shifting fork disc passes through pin shaft I and connecting plate
One end is movably connected, and the other end of connecting plate is movably connected by pin shaft II and shift fork one end, the shift fork other end and sharf one
End is fixedly linked, and the sharf other end passes through mounting disc and blade is fixedly linked and is fixed on liner plate.
The course of work of the invention is: additionaling power, which acts on shifting fork disc, rotates shifting fork disc around mounting disc, shifting fork disc
All connecting plate synchronous huntings are driven by pin shaft, connecting plate swings by pin shaft and drives what is be connected with one end of the connection board to own
Shift fork synchronous hunting, shift fork swing by sharf and blade synchronization are driven to swing, and realize that air inlet synchronizes together by blade oscillating
Air inlet is measured, the synchronous same amount air inlet of air inlet in different time is realized by the variation of shifting fork disc rotational angle, to reach raising
The purpose of working efficiency of internal combustion engine.
Nozzle ring of the present invention in turbocharger has the following characteristics that compared with existing nozzle ring
1, shifting fork disc rotation radial positioning of the present invention does not need to open up arc groove on it and in mounting disc
Cooperation is mutually moved with the guide wheel that guide wheel pin is fixed, but uses and the shifting fork disc of original plate is designed to axle sleeve in T shape, i.e., will
Originally the T-shaped shifting fork disc (as shown in Figure 4) of unitary tape flange sleeve is made in the shifting fork disc of plate, thus increase shifting fork disc with
The axial distance of mounting disc increases be engaged length and the area of shifting fork disc and mounting disc outer round surface, makes shifting fork disc with most
Small―gap suture rotates the technical measures one for carrying out radial positioning around mounting disc, has both eliminated the parts such as guide pin and guide wheel, and be not required to
If arc groove simplifies processing and assembly technology, processing cost is reduced, and improves the radial essence that shifting fork disc swings
Degree, shifting fork disc location structure is compact simple, positions more acurrate.
2, the present invention does not need to open up cylindrical groove and shift fork one end on shifting fork disc to cooperate, but pin shaft is used to rivet
Form one end of the connection board is connected with shift fork, the other end be connected with shifting fork disc comes shift fork rotation, thus drive and shift fork
The technical measures two for the blade rotation being fixedly linked, not only simplify shift fork processing and assembly technology, shift fork one end do not need to process
At the spheroid form matched with cylindrical groove, keep shift fork shape simpler, reduce costs, shifting fork structure is compact simple, passes
Move more reliable stabilization.
3, blade rotation consistency and synchronism are more preferable, and more preferably, reliability and wearability are higher for transmission effect.
4, shifting fork disc, shift fork, between connecting plate be not in catching phenomenon, mutually arrive transmitting flexible movements, harmony is high, saves
Power.
5, that the processing is simple is convenient for the nozzle ring of the present invention for turbocharger, and using reliable, durability is strong, can mention
High working efficiency of internal combustion engine.
Shifting fork disc of the present invention is mounted below shift fork, is directly riveted with shift fork by pin shaft and connecting plate, on the blade
Sharf stretch out both ends of the blade, one end is riveted with mounting disc and shift fork is passed through, and the other end is fixedly linked with liner plate, and the present invention creates
New feature is the kind of drive that traditional shifting fork disc rotational positioning mode and shift fork are changed by two technical measures, not only
So that its structure is more compact simple, and solves and asked in the prior art due to assembly mismachining tolerance and using abrasion bring
Topic keeps blade opening and closing consistency and synchronism more accurate.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of part cutting of the present invention,
Fig. 2 is the B of Fig. 1 to structural schematic diagram,
Fig. 3 is that Fig. 2 dismantles the partial structural diagram after pin shaft and shift fork release,
Fig. 4 is the A-A broken section structural schematic diagram of Fig. 3.
1, shifting fork disc 2, pin shaft I 3, sharf 4, blade 5, mounting disc 6, connecting plate 7, pin in the figure
Axis II 8, liner plate 9, shift fork 10, axial limiting set 11, spacing axis.
Specific embodiment
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of nozzle ring for turbocharger includes liner plate 8, mounting disc 5 and dials
Disk 1 is pitched, five spacing axis 11 are arranged at intervals between the liner plate and mounting disc, if being arranged at intervals between liner plate and mounting disc
Blade is 15 pieces in dry block blade 4(the present embodiment), the blade is sharp pears shape shape, and the shifting fork disc is fitted in outside mounting disc
On circle, shifting fork disc can make rotation (swinging) with one heart around mounting disc under external force, using by the shifting fork disc of original plate
It is designed to axle sleeve in T shape, i.e., the T-shaped shifting fork disc of unitary tape flange sleeve is made (such as in the shifting fork disc of original plate
Shown in Fig. 4), to increase the distance that axially engages of shifting fork disc and mounting disc, increase connecing for shifting fork disc and mounting disc outer round surface
Length of fit and area are touched, keeps shifting fork disc rotational stability high (circular runout very little), makes shifting fork disc with minimum clearance around peace
Sabot rotation carries out the technical measures one of radial positioning, and the shifting fork disc is movably connected by pin shaft I 2 and 6 one end of connecting plate, dials
It pitches disk and pin shaft I 2 rivets, rivet layer height 1.2-1.4 millimeters, the other end of connecting plate is living by pin shaft II 7 and 9 one end of shift fork
Dynamic to be connected, connecting plate and pin shaft II 7 rivet, and the shift fork other end is fixedly linked with the riveting of 3 one end of sharf, and the sharf is another
End activity passes through mounting disc and blade is fixedly linked and rivets and is fixed on liner plate 8.Gap between blade and liner plate is 0.13-
0.18 millimeter, axial limiting set 10, the shift fork and connecting plate are provided on the pin shaft I 2 between the shifting fork disc and connecting plate
Between pin shaft II 7 on be provided with axial limiting set 10, to prevent connecting plate from moving axially.
Claims (1)
1. a kind of nozzle ring for turbocharger, it includes liner plate (8), mounting disc (5) and shifting fork disc (1), the liner plate
It is arranged at intervals with spacing axis (11) between mounting disc and is arranged at intervals with blade (4), the shifting fork disc is fitted in outside mounting disc
It can make on circle and around mounting disc to rotate with one heart, the shifting fork disc is movably connected by pin shaft I (2) and connecting plate (6) one end, is connected
The other end of plate is movably connected by pin shaft II (7) and shift fork (9) one end, the shift fork other end and sharf (3) one end stationary phase
Even, the sharf other end passes through mounting disc and blade and is fixedly linked and is fixed on liner plate (8), the shift fork (9) and even
Axial limiting set (10) are provided in pin shaft II (7) between fishplate bar, it is characterized in that: the shifting fork disc and pin shaft I (2) rivet,
Connecting plate and pin shaft II (7) rivet, and the riveting height is 1.2-1.4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062333.7A CN107905850B (en) | 2017-11-02 | 2017-11-02 | A kind of nozzle ring for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062333.7A CN107905850B (en) | 2017-11-02 | 2017-11-02 | A kind of nozzle ring for turbocharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107905850A CN107905850A (en) | 2018-04-13 |
| CN107905850B true CN107905850B (en) | 2019-09-20 |
Family
ID=61842301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711062333.7A Active CN107905850B (en) | 2017-11-02 | 2017-11-02 | A kind of nozzle ring for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107905850B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3411822B2 (en) * | 1998-06-25 | 2003-06-03 | 株式会社アキタファインブランキング | Variable nozzle drive for variable capacity turbine |
| CN201884075U (en) * | 2010-12-19 | 2011-06-29 | 萍乡市德博科技发展有限公司 | Plate-driven nozzle ring component with variable cross section |
| CN202810969U (en) * | 2012-09-20 | 2013-03-20 | 江西省萍乡市三善机电有限公司 | Square shift block driving type nozzle ring with variable cross section |
| CN104295325B (en) * | 2014-09-16 | 2016-02-03 | 萍乡德博科技股份有限公司 | A kind of turbosupercharger nozzle ring capable of changing cross sections |
| CN204386673U (en) * | 2014-12-30 | 2015-06-10 | 江西汇宏科技发展有限公司 | A kind of turbosupercharger nozzle ring |
| CN206655719U (en) * | 2017-04-20 | 2017-11-21 | 江西凯格新材料科技有限公司 | A kind of chain type nozzle ring |
-
2017
- 2017-11-02 CN CN201711062333.7A patent/CN107905850B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107905850A (en) | 2018-04-13 |
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