CN104819014A - Adjustable nozzle ring structure for ship mixed-flow turbo-superchager - Google Patents
Adjustable nozzle ring structure for ship mixed-flow turbo-superchager Download PDFInfo
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- CN104819014A CN104819014A CN201510226312.9A CN201510226312A CN104819014A CN 104819014 A CN104819014 A CN 104819014A CN 201510226312 A CN201510226312 A CN 201510226312A CN 104819014 A CN104819014 A CN 104819014A
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- blade
- driving
- ring
- cartridge housing
- pressurized machine
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- Supercharger (AREA)
Abstract
The invention discloses an adjustable nozzle ring structure for a ship mixed-flow turbo-superchager. The structure comprises a bearing casing and a drive mechanism for blades. A plurality of blades are arranged on the bearing casing and are supported on the bearing casing rotatably. The drive mechanism comprises a drive ring, and the blades are arranged in an inner hole of the drive ring. A plurality of drive pins extending along the axial direction of the drive ring are arranged at one end of the drive ring to be corresponding to the blades respectively. A drive arm is arranged between each drive pin and the corresponding blade, the ends of the drive arms are fixedly connected with corresponding blade rotation shafts, U-shaped sliding grooves are formed in the other ends of the drive arms along the radial directions of the corresponding blade rotation shafts, and drive pins are in clearance fit with the corresponding U-shaped sliding grooves in the drive arms respectively. The speed attack angle and the throat area of waste entering the turbine can be changed by changing the nozzle ring blade mounting angles, and the rotation speed and the flow of the turbo-superchager are adjustable, accordingly, the turbo-superchager and a diesel can operate in an effective and matching mode.
Description
Technical field
The present invention relates to ship domain, particularly relate to a kind of adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel.
Background technique
Combined flow turbine pressurized machine peculiar to vessel is exemplary diesel engine matching parts, coordinates diesel engine to work together, can effectively improve diesel engine service behaviour.In order to meet the working state of diesel engine the best, improving the working efficiency of turbosupercharger, ensureing the optimal air-fuel ratio of bavin diesel engine, the nozzle ring that general employing specification is suitable makes pressurized machine mate with diesel engine and operates in reasonable state.On this exhaust-gas turbocharger, nozzle ring is fixedly mounted on the import of turbine blade, be the critical component regulating pressurized machine and diesel engine Operating match, play and change volume flowrate and the speed angle of attack that waste gas enters turbine, to regulate the important function of supercharger speed.But this fixing nozzle ring makes the better range of operation of pressurized machine smaller, particularly when boats and ships run into different sea situation require that diesel engine runs under variable working condition time, this fixed nozzle ring makes pressurized machine be difficult to reach suitable operating range, just suitable nozzle ring must be changed, to the labor aptitude of pressurized machine and safeguard that usability is made troubles to meet the demands.For ensureing that pressurized machine just can effectively effectively mate with at diesel engine need not change nozzle ring, designing a kind of New Marine mixed-flow adjustable nozzle ring structure is the key point solved the problem.
Summary of the invention
The object of the invention is to solve in prior art, marine diesel engine requires that turbosupercharger operates in broad working zone, the nozzle ring of fixing specification has a strong impact on the technical problem that pressurized machine mates with diesel engine, a kind of adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel is provided, it the setting angle of rotary nozzle ring blade can change waste gas and enters the speed angle of attack and the throat area of turbine, realize the adjustable of turbo charger speed and flow, thus ensure turbosupercharger and diesel engine more effectively mate operation.
The object of the present invention is achieved like this:
A kind of adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel, comprise cartridge housing, described cartridge housing is along the circumferential direction evenly provided with some blades, the shaft axis of each blade is all parallel to the shaft axis of cartridge housing, described each blade is rotatably supported in cartridge housing, also comprise the driving mechanism of blade, described driving mechanism comprises driving ring, the shaft axis of described driving ring overlaps with the shaft axis of cartridge housing, each blade is all arranged in the endoporus of driving ring, one end of driving ring is provided with some along the axially extended drive pin of driving ring corresponding each blade respectively, a driving arm is respectively equipped with between each drive pin and corresponding blade, one end of described driving arm is fixedly connected with corresponding blade rotor, the other end of driving arm arranges a U-shaped chute along the radial direction of corresponding blade rotor, each drive pin respectively with the U-shaped chute Spielpassung on corresponding driving arm.
Rotate for the ease of driving driving ring, preferably, described driving mechanism also comprises a driveshaft, one end of described driveshaft is fixedly connected with driving ring, the other end of driveshaft extends radially outwardly along driving ring, in order to ensure the join strength of driveshaft and driving ring, one end that described driveshaft is connected with driving ring is provided with an arc link arm, and described arc link arm is fixedly connected with driving ring by least two the first connecting bolts.
In order to prevent interfering between arc link arm and driving arm, preferably, on described each first connecting bolt, cover has a spacer sleeve respectively, and described spacer sleeve is between arc link arm, driving ring, and the length of spacer sleeve is greater than the thickness of driving arm.
Be connected firmly to make driving arm and blade rotor, and it is easy for removal and installation, preferably, the inner of described driving arm arranges a U-shaped clamping part along the radial direction of corresponding blade rotor, the U-shaped clamping part of driving arm is clipped on corresponding blade rotor, second connecting bolt passes two walls of U-shaped clamping part and corresponding blade rotor, and driving arm is fixedly connected with corresponding blade rotor.
In order to make each nozzle blade be consistent motion, prevent from blade play occurs in rotary course, preferably, also comprise the gripping mechanism be arranged between adjacent blades, described gripping mechanism is connected with corresponding two blade rotors respectively, makes each blade stable rotation.
In order to the axial limiting to driving ring, preferably, also a positioning block is comprised, described positioning block is fixedly connected with cartridge housing, positioning block is provided with a U-shaped position-limitting mouth along cartridge housing radial direction, the U-shaped position-limitting mouth of described driving ring extend through positioning block, forms the axial limiting of driving ring.
In order to make positioning block to the effect of driving mechanism instruction gear, preferably, one in described positioning block, driving ring is provided with cursor line, and it is corresponding with cursor line that another is provided with gear line.
In order to make cartridge housing, stable rotatable support is formed to blade, and provide installing space for gripping mechanism, preferably, the connecting end of described cartridge housing is circumferentially provided with an annular groove, make to form an annular flange flange outside the annular groove of cartridge housing, described each blade rotor is each passed through the mounting hole Spielpassung that annular flange flange, annular groove and cartridge housing are respectively equipped with.
Preferably, be respectively equipped with a high temperature resistant pressure spring between at the bottom of the hole of described each blade rotor and corresponding mounting hole, high temperature resistant pressure spring makes nozzle blade blade press to fuel gas air admission shell, ensures gap less between nozzle blade and fuel gas air admission shell.
Preferably, also comprise an insulated wall, described insulated wall is fixedly connected with described annular flange flange, it is corresponding with each blade blade that insulated wall is provided with some resigning holes, span is left respectively between each blade blade and the hole wall of corresponding resigning hole, prevent nozzle blade to be at high operating temperatures engaged because high-temperature expansion produces with hole in insulated wall, nozzle blade cannot freely be rotated; Each blade and blade is circumferentially provided with annular mounting groove with it respectively, ring installation in annular mounting groove, and the outer circumferential face of piston ring contacts with the hole wall of corresponding resigning hole, prevents waste gas from the clearance leakage between each blade blade and corresponding resigning hole.
The Advantageous Effects of this reality invention is:
The present invention is a kind of combined flow turbine pressurized machine adjustable nozzle ring structure peculiar to vessel, when turbocharger operation, driving mechanism adjusts the setting angle of nozzle ring ring blade according to boat diesel engine operating mode, be equivalent to the speed angle of attack changing turbine rotor blade, pressurized machine is made to operate efficiently in diesel engine optimum working efficiency district, solve boat diesel engine ineffective technical problem of pressurized machine under some operating mode, ensure that the better Adapter Property of pressurized machine, thus improve the operating range of turbosupercharger operation, solve at high pressure ratio, the technical problem that under large discharge condition, marine diesel engine mates with pressurized machine broader region.Meanwhile, this adjustable nozzle ring of turbosupercharger structure have design ingenious, install convenient, drive advantage easily, there is good rigidly, compact structure, the advantage of not easily leaking gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;
Fig. 3 is axonometric drawing of the present invention.
Reference character
1 is cartridge housing, and 2 is high temperature resistant pressure spring, and 3 is the 3rd connecting bolt, and 4 is positioning block, 5 is blade, and 6 is shotpin, and 7 is piston ring, and 8 is support plate, 9 is insulated wall, and 10 is driving mechanism, and 11 is driving ring, and 12 is driveshaft, 13 is the first connecting bolt, and 14 is spacer sleeve, and 15 is drive pin, 16 is driving arm, and 17 is the second connecting bolt, and 18 is arc link arm, 19 is annular groove, and 20 is annular flange flange, and 21 for setting up the stage.
Embodiment
See Fig. 1 to Fig. 3, for a kind of preferred embodiment of the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel, comprise cartridge housing 1, described cartridge housing 1 is along the circumferential direction evenly provided with the blade 5 of some nozzle rings, described blade 5 comprises the blade rotor, the blade blade that are fixed together.The shaft axis of each blade 5 rotating shaft is all parallel to the shaft axis of cartridge housing 1, and described each blade 5 is rotatably supported in cartridge housing 1.In the present embodiment, the connecting end of described cartridge housing 1 is circumferentially provided with an annular groove 19, make to form an annular flange flange 20 outside the annular groove 19 of cartridge housing 1, the rotating shaft of described each blade 5 is each passed through the mounting hole Spielpassung that annular flange flange 20, annular groove 19 and cartridge housing 1 are respectively equipped with, and the supported hole Spielpassung be simultaneously provided with annular flange flange.A high temperature resistant pressure spring 2 is respectively equipped with between at the bottom of the hole of the rotating shaft of described each blade 5 and corresponding mounting hole.Also comprise an insulated wall 9, described insulated wall 9 is fixedly connected with described annular flange flange 20 by shotpin 6, makes can not relatively rotate between insulated wall 9 and annular flange flange 20.It is corresponding with each blade 5 blade that insulated wall 9 is provided with some resigning holes, leaves span respectively between each blade 5 blade and the hole wall of corresponding resigning hole, and this span is greater than the length radially expanded when blade 5 blade is heated.Each blade 5 blade is circumferentially provided with annular mounting groove respectively, ring installation 7 in annular mounting groove, the outer circumferential face of piston ring 7 contacts with the hole wall of corresponding resigning hole, makes to be formed between blade 5 blade and corresponding resigning hole to seal.
Also comprise the driving mechanism 10 of blade 5, described driving mechanism 10 comprises driving ring 11, the shaft axis of described driving ring 11 overlaps with the shaft axis of cartridge housing 1, each blade 5 is all arranged in the endoporus of driving ring 11, one end of driving ring 11 is provided with some along driving ring 11 axially extended drive pin 15 corresponding each blade 5 respectively, a driving arm 16 is respectively equipped with between each drive pin 15 and corresponding blade 5, one end of described driving arm 16 is fixedly connected with corresponding blade 5 rotating shaft, the other end of driving arm 16 arranges a U-shaped chute along the radial direction of corresponding blade 5 rotating shaft, each drive pin 15 respectively with the U-shaped chute Spielpassung on corresponding driving arm 16.In the present embodiment, the inner of described driving arm 16 arranges a U-shaped clamping part along the radial direction of corresponding blade 5 rotating shaft, the U-shaped clamping part of driving arm 16 is clipped in corresponding blade 5 rotating shaft, second connecting bolt 17 passes two walls of U-shaped clamping part and corresponding blade 5 rotating shaft, and driving arm 16 is fixedly connected with corresponding blade 5 rotating shaft.Also comprise the gripping mechanism be arranged between adjacent blades 5, described gripping mechanism is connected with corresponding two blade 5 rotating shafts respectively, makes each blade stable rotation.Described gripping mechanism can be gear, sprocket wheel link chain mechanism etc., and in the present embodiment, described gripping mechanism is support plate 8, and support plate 8 is positioned at annular groove 19, and described support plate 8 is U-shaped, and its two wall caves in opposite directions, forms the concave arc shape of clamping blade rotor.
Described driving mechanism 10 also comprises a driveshaft 12, one end of described driveshaft 12 is fixedly connected with driving ring 11, the other end of driveshaft 12 extends radially outwardly along driving ring 11, in the present embodiment, one end that described driveshaft 12 is connected with driving ring 11 is provided with an arc link arm 18, described arc link arm 18 extend through two driving arms 16, arc link arm 18 is fixedly connected with driving ring 11 by three the first connecting bolts 13, wherein two the first connecting bolts 13 are positioned at the two ends of arc link arm 18, another the first connecting bolt 13 is positioned at the middle-end of arc link arm 18.On described each first connecting bolt 13, cover has a spacer sleeve 14 respectively, and described spacer sleeve 14 is between arc link arm 18, driving ring 11, and the length of spacer sleeve 14 is greater than the thickness of driving arm 16.
Also comprise a positioning block 4, described positioning block 4 is fixedly connected with cartridge housing 1 by the 3rd connecting bolt 3, in the present embodiment, the upper end of described cartridge housing is provided with one and sets up the stage 21, one sidewall of positioning block 4 is arranged on by bolt sets up the stage on 21, positioning block 4 is provided with a U-shaped position-limitting mouth along cartridge housing 1 radial direction, the U-shaped position-limitting mouth of described driving ring 11 extend through positioning block 4, forms the axial limiting of driving ring 11.Described positioning block 4 is provided with cursor line, and it is corresponding with cursor line that driving ring 11 is provided with gear line.
When needing the setting angle of adjusting vane, first drive driveshaft by stepper motor, driveshaft drives driving ring to rotate, when driving ring rotates, drive pin on driving ring laterally exerts a force to driving arm along driving arm, drive pin is slided in the U-shaped chute of driving arm, and meanwhile, driving arm rotates along the shaft axis of blade rotor, simultaneously, blade rotation, and then, complete the adjustment of blades installation angle.In pressurized machine runs, automatically the setting angle of nozzle blade can be regulated according to diesel engine running load operating mode, different nozzle ring area is provided, thus realize the working speed of marine diesel engine pressurized machine under different operating mode and compressed-air actuated pressure effectively matches, meet diesel engine starting, low load operation time performance time remain low emission, high efficiency requirement.
What finally illustrate is, above preferred embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (10)
1. the adjustable nozzle ring structure of a combined flow turbine pressurized machine peculiar to vessel, comprise cartridge housing, described cartridge housing is along the circumferential direction evenly provided with some blades, the shaft axis of each blade is all parallel to the shaft axis of cartridge housing, it is characterized in that: described each blade is rotatably supported in cartridge housing, also comprise the driving mechanism of blade, described driving mechanism comprises driving ring, the shaft axis of described driving ring overlaps with the shaft axis of cartridge housing, each blade is all arranged in the endoporus of driving ring, one end of driving ring is provided with some along the axially extended drive pin of driving ring corresponding each blade respectively, a driving arm is respectively equipped with between each drive pin and corresponding blade, one end of described driving arm is fixedly connected with corresponding blade rotor, the other end of driving arm arranges a U-shaped chute along the radial direction of corresponding blade rotor, each drive pin respectively with the U-shaped chute Spielpassung on corresponding driving arm.
2. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 1, it is characterized in that: described driving mechanism also comprises a driveshaft, one end of described driveshaft is fixedly connected with driving ring, the other end of driveshaft extends radially outwardly along driving ring, one end that described driveshaft is connected with driving ring is provided with an arc link arm, and described arc link arm is fixedly connected with driving ring by least two the first connecting bolts.
3. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 2, it is characterized in that: on described each first connecting bolt, cover has a spacer sleeve respectively, described spacer sleeve is between arc link arm, driving ring, and the length of spacer sleeve is greater than the thickness of driving arm.
4. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 1, it is characterized in that: the inner of described driving arm arranges a U-shaped clamping part along the radial direction of corresponding blade rotor, the U-shaped clamping part of driving arm is clipped on corresponding blade rotor, second connecting bolt passes two walls of U-shaped clamping part and corresponding blade rotor, and driving arm is fixedly connected with corresponding blade rotor.
5. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 1, it is characterized in that: also comprise the gripping mechanism be arranged between adjacent blades, described gripping mechanism is connected with corresponding two blade rotors respectively, makes each blade stable rotation.
6. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 1, it is characterized in that: also comprise a positioning block, described positioning block is fixedly connected with cartridge housing, positioning block is provided with a U-shaped position-limitting mouth along cartridge housing radial direction, the U-shaped position-limitting mouth of described driving ring extend through positioning block, forms the axial limiting of driving ring.
7. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 6, is characterized in that: one in described positioning block, driving ring is provided with cursor line, and it is corresponding with cursor line that another is provided with gear line.
8. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 1, it is characterized in that: the connecting end of described cartridge housing is circumferentially provided with an annular groove, make to form an annular flange flange outside the annular groove of cartridge housing, described each blade rotor is each passed through the mounting hole Spielpassung that annular flange flange, annular groove and cartridge housing are respectively equipped with.
9. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 8, is characterized in that: be respectively equipped with a high temperature resistant pressure spring between at the bottom of the hole of described each blade rotor and corresponding mounting hole.
10. the adjustable nozzle ring structure of combined flow turbine pressurized machine peculiar to vessel according to claim 8 or claim 9, it is characterized in that: also comprise an insulated wall, described insulated wall is fixedly connected with described annular flange flange, it is corresponding with each blade blade that insulated wall is provided with some resigning holes, span is left respectively between each blade blade and the hole wall of corresponding resigning hole, each blade and blade is circumferentially provided with annular mounting groove with it respectively, ring installation in annular mounting groove, the outer circumferential face of piston ring contacts with the hole wall of corresponding resigning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226312.9A CN104819014B (en) | 2015-05-06 | 2015-05-06 | The adjustable nozzle ring structure of combined flow turbine supercharger peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226312.9A CN104819014B (en) | 2015-05-06 | 2015-05-06 | The adjustable nozzle ring structure of combined flow turbine supercharger peculiar to vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819014A true CN104819014A (en) | 2015-08-05 |
| CN104819014B CN104819014B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510226312.9A Active CN104819014B (en) | 2015-05-06 | 2015-05-06 | The adjustable nozzle ring structure of combined flow turbine supercharger peculiar to vessel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221189A (en) * | 2015-10-28 | 2016-01-06 | 苏州诺迅汽车零部件有限公司 | The riveted structure of the spacer sleeve on turbosupercharger nozzle ring capable of changing cross sections |
| CN106121738A (en) * | 2016-06-21 | 2016-11-16 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of turbogenerator stator blade governor motion |
| CN109404064A (en) * | 2018-12-18 | 2019-03-01 | 重庆江增船舶重工有限公司 | Variable-geometry mixed-flow turbocharger driving device and its assembly method |
| CN109751094A (en) * | 2018-12-28 | 2019-05-14 | 国营第六一六厂 | The method for improving the diesel engine rated power used under 65 kPas of operating conditions of exhaust back pressure |
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| CN103527264A (en) * | 2013-11-01 | 2014-01-22 | 汉美综合科技（常州）有限公司 | Sliding nozzle |
| CN103703225A (en) * | 2011-09-28 | 2014-04-02 | 三菱重工业株式会社 | Stopper structure for regulating nozzle vane opening degree in a turbocharger |
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| CN1920262A (en) * | 2005-08-25 | 2007-02-28 | 三菱重工业株式会社 | Variable-throat exhaust turbocharger and method for manufacturing constituent members of variable throat mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221189A (en) * | 2015-10-28 | 2016-01-06 | 苏州诺迅汽车零部件有限公司 | The riveted structure of the spacer sleeve on turbosupercharger nozzle ring capable of changing cross sections |
| CN106121738A (en) * | 2016-06-21 | 2016-11-16 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of turbogenerator stator blade governor motion |
| CN109404064A (en) * | 2018-12-18 | 2019-03-01 | 重庆江增船舶重工有限公司 | Variable-geometry mixed-flow turbocharger driving device and its assembly method |
| CN109404064B (en) * | 2018-12-18 | 2024-03-26 | 重庆江增船舶重工有限公司 | Variable geometry mixed flow turbocharger drive device and method of assembling the same |
| CN109751094A (en) * | 2018-12-28 | 2019-05-14 | 国营第六一六厂 | The method for improving the diesel engine rated power used under 65 kPas of operating conditions of exhaust back pressure |
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|---|---|
| CN104819014B (en) | 2016-07-13 |
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