CN102852628A - Sectional travel characteristic pneumatic actuator of turbocharger - Google Patents
Sectional travel characteristic pneumatic actuator of turbocharger Download PDFInfo
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- CN102852628A CN102852628A CN2012103939281A CN201210393928A CN102852628A CN 102852628 A CN102852628 A CN 102852628A CN 2012103939281 A CN2012103939281 A CN 2012103939281A CN 201210393928 A CN201210393928 A CN 201210393928A CN 102852628 A CN102852628 A CN 102852628A
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- locking
- loam cake
- pneumatic actuator
- core bar
- spring
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- 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
Abstract
The invention discloses a sectional travel characteristic pneumatic actuator of a turbocharger. The sectional travel characteristic pneumatic actuator comprises an upper housing and a lower housing, wherein a rubber diaphragm is arranged between the upper housing and the lower housing; a cavity between the upper housing and the lower housing is divided into two hollow chambers through the rubber diaphragm, and the two hollow chambers are respectively a first hollow chamber and a second hollow chamber which are not intercommunicated; the second hollow chamber is internally provided with a diaphragm seat at a position close to the rubber diaphragm; a mandrel is connected to the diaphragm seat; two springs with different elastic coefficient are arranged on the mandrel, which are respectively an internal spring and an external spring; the external spring is sleeved outside the internal spring; and an internal spring locking mechanism is arranged on the mandrel. With the adoption of the sectional travel characteristic pneumatic actuator of the turbocharger provided by the invention, various travel characteristics can be matched, therefore, the performance of a turbocharger can be adjusted to achieve the best state as far as possible.
Description
Technical field
The present invention relates to a kind of turbosupercharger pneumatic actuator device, relate in particular to a kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger, belong to field of internal combustion engine.
Background technique
Development along with national Abgasgesetz and user's request, the motor especially supercharging technology of diesel engine has also had significant progress, the structure of exhaust-gas turbocharger has developed into the exhaust gas bypass structure pressurized machine that can take into account the low engine speed moment of torsion from traditional constant cross-section, arrived after the enforcement of state III Abgasgesetz, people are more and more stronger for the demand of the engine supercharger that can take into account the high low-speed performance of motor, and variable-area turbocharger becomes the emphasis of domestic and international research and development.On variable-area turbocharger is used, its control is a large problem always, the traditional, pneumatic final controlling element is because stroke characteristic can not segmentation, can only linearity control, can't realize the Performance Match of full operating mode, and adopt automatically controlled final controlling element, cost can increase a lot, and also there is some problems in reliability, research and develop a kind of segmented stroke characteristic pneumatic actuator, realizing the organic unity of variable-area turbocharger Performance Match, cost, reliability, has been turbosupercharger producer problem in the urgent need to address.
At present, pressurized machine pneumatic actuator structure as shown in Figure 1 and Figure 2, generally comprise upper shell 8, elastomer diaphragm 6, diaphragm seat 7, spring 2, lower shell body 1, core bar 3, valve 10, upper shell 8 connects together by bolt 5 and elastomer diaphragm 6 with lower shell body 1, diaphragm seat 7 links together by nut 9 with core bar 3, and whole pneumatic actuator is installed on the pressurized machine by connecting thread hole 4.During work, enter the closed cavity of upper shell 8 and elastomer diaphragm 6 formation from valve 10 with the gas of pressure, promote elastomer diaphragm 6 and move to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 drives with its core bar that fits together 3 mobile, realizes the adjusting to pressurized machine.This pneumatic actuator is owing to only deciding final stroke characteristic by single spring, so can only be linear motion, stroke characteristic be determined by the elasticity coefficient of spring.
In addition, the segmented stroke characteristic pneumatic actuator that the research and development Fig. 3 of company, structure shown in Figure 4 are also arranged recently, it comprises upper shell 8, elastomer diaphragm 6, diaphragm seat 7, spring 2, lower shell body 1, core bar 3, valve 10, auxiliary rod 24, auxiliary core bar 26, lower lock pin assembly 27, main core bar 28, inner spring 13, outer spring 14, upper lock pin assembly 33, be provided with first at auxiliary rod 24 and recessedly be with 34, be provided with second at main core bar 28 and recessedly be with 35.During work, enter the closed cavity of upper shell 8 and elastomer diaphragm 6 formation from valve 10 with the gas of pressure, promoting elastomer diaphragm 6 moves to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 is by the motion that connects together of upper lock pin assembly 33 and auxiliary core bar 26, the inner spring seat 29 compression inner springs 13 of auxiliary core bar 26 by welding together, main core bar 28 is regulated pressurized machine along with diaphragm seat 7 moves together.At this moment, an inner spring 13 works, and stroke characteristic is determined by the elasticity coefficient of inner spring 13.Along with the rising of pressure, diaphragm seat 7 continues mobile, when upper lock pin assembly 33 enter auxiliary rod 24 first recessed with 34, lower lock pin assembly 27 leaves the second recessed when being with 35 of main core bar 28, diaphragm seat 7 disconnects with auxiliary core bar 26, simultaneously, auxiliary core bar 26 is no longer participated in motion by locked.Diaphragm seat 7 continues to promote outer spring seat 32 and moves to lower shell body 1 direction, compression outer spring 14.At this moment, an outer spring 14 works, and stroke characteristic is determined by the elasticity coefficient of outer spring 14.When pressure reduces, diaphragm seat 7 retractions, when upper lock pin assembly 33 leave auxiliary rod 24 first recessed with 34, lower lock pin assembly 27 enters the second recessed when being with 35 of main core bar 28, diaphragm seat 7 reconnects with auxiliary core bar 26, simultaneously, auxiliary core bar 26 locked being opened, the sustainable participation motion, an inner spring 13 works again.Can realize like this, theoretically the collocation of various different stroke characteristics.But this mechanism is very complicated, and is high to requirement on machining accuracy, and main core bar is not placed in the middle, easily stressed crooked, causes lockable mechanism stuck.In reality processing, more difficult through engineering approaches.
Summary of the invention
The technical problem to be solved in the present invention is the above defective for traditional pressurized machine pneumatic actuator structure, and a kind of locked segmented stroke characteristic pneumatic actuator device of employing rotation that can realize the organic unity of variable-area turbocharger Performance Match, cost, reliability is provided.
For addressing the above problem, the present invention adopts following technological scheme:
A kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger comprises upper shell and lower shell body;
Be provided with elastomer diaphragm between upper shell and the lower shell body;
Elastomer diaphragm is partitioned into two mutual disconnected cavitys with the cavity between upper shell and the lower shell body: the first cavity and the second cavity;
Position near elastomer diaphragm in the second cavity is provided with the diaphragm seat;
Be connected with core bar on the described diaphragm seat, the different spring of twice elasticity coefficient be installed, inner spring and outer spring on the core bar;
Outer spring is sleeved on the outside of inner spring, and the inner spring lockable mechanism is installed on the described core bar.
Below be the present invention to the further optimization of such scheme:
The length of inner spring and central diameter are all less than length and the central diameter of outer spring.
Further optimize: the inner spring lockable mechanism comprises the locking loam cake that is sleeved on the core bar, and the locking loam cake can be around the core bar rotation; Position near lower shell body on the core bar is installed with the locking lower cover, and locking loam cake and locking lower cover are separately positioned on the two ends of inner spring.
Further optimize: the locking loam cake is equipped with rotating dog away from a side position of inner spring, covers the position corresponding with rotating dog on the locking and is provided with the center chute;
The locking loam cake rotates to preset angles, and rotating dog overlaps with the center chute of locking loam cake, and rotating dog can slide in the chute of the center of locking loam cake.
Further optimize: described locking loam cake is provided with the spirality chute near the position of lower shell body, and lock pin is installed in the chute, and lock pin can move in chute.
Further optimize: the lock pin installed inside covers under locking, and locking lower cover center is provided with hexagonal hole, and the cross section of core bar is hexagonal shaped, and core bar passes hexagonal hole and the locking lower cover is slidingly connected.
Further optimize: cover under the locking and be provided with groove, be used for fixedly inner spring and outer spring.
Further optimize: the outer spring pre-tightening sleeve is installed between described outer spring and the upper shell, and the outer spring pre-tightening sleeve carries out the pretension location by outer spring pre-tightening sleeve positioning screwn.
During work, enter the first cavity with the gas of pressure from valve, promote elastomer diaphragm and move with the downward housing direction of diaphragm seat, diaphragm seat drive core bar and rotating dog move together.When initial, rotating dog does not overlap with the center chute of locking loam cake, and the several angle that staggers, rotating dog can press the downward housing direction of locking loam cake to move.Locking loam cake compression inner spring, this stage inner spring works, and stroke characteristic is determined by the elasticity coefficient of inner spring.
In the process that locking loam cake compression inner spring moves to lower shell body, lock pin can move along the spiral chute of locking loam cake, promote the rotation of locking loam cake, when the rotation of locking loam cake overlaps with rotating dog to its center chute, rotating dog enters locking loam cake center chute, moves along the relative locking loam cake of center chute.At this moment, the locking loam cake is because there being the spacing of lock pin, chute, center chute, rotating dog, can return, be parked in the terminal point that inner spring works.The diaphragm seat promotes the outer spring pre-tightening sleeve, and the downward housing direction of compression outer spring moves, and this stage outer spring works, and stroke characteristic is determined by the elasticity coefficient of outer spring.
When pressure reduced, rotating dog was followed the core bar housing direction that makes progress and is moved, when shifting out the center chute, the position-limiting action of center chute and rotating dog disappears, the locking loam cake circles round to rotating dog and no longer overlaps with the center chute, along with pressure continue reduce, the locking loam cake is with the cycle original position.This stage, outer spring outside the spring pre-tightening cover spacing by outer spring pre-tightening sleeve positioning screwn before, an outer spring works, when outer spring was limited, rotating dog also just in time shifted out the center chute, this point after, an inner spring works.Like this, can realize the collocation of various different stroke characteristics, as much as possible booster performance be transferred to the best.
Below in conjunction with drawings and Examples the present invention is elaborated.
Description of drawings
Accompanying drawing 1 is the structural representation of pneumatic actuator in the background technique of the present invention;
Accompanying drawing 2 is right elevations of accompanying drawing 1;
Accompanying drawing 3 is structural representations of segmented stroke characteristic pneumatic actuator in the background technique of the present invention;
Accompanying drawing 4 is right elevations of accompanying drawing 3;
Accompanying drawing 5 is structural representations of pneumatic actuator in the embodiment of the invention;
Accompanying drawing 6 is right elevations of accompanying drawing 5;
Accompanying drawing 7 is scheme of installations of locking loam cake, rotating dog, lock pin in the embodiment of the invention;
Accompanying drawing 8 is left views of accompanying drawing 7;
Accompanying drawing 9 is scheme of installations of locking lower cover, lock pin in the embodiment of the invention;
Accompanying drawing 10 is left views of accompanying drawing 9.
Among the figure: the 1-lower shell body; The 2-spring; The 3-core bar; 4-connecting thread hole; The 5-bolt; The 6-elastomer diaphragm; 7-diaphragm seat; The 8-upper shell; The 9-nut; The 10-valve; 11-locking lower cover; The 12-lock pin; The 13-inner spring; The 14-outer spring; 15-outer spring pre-tightening sleeve; 16-outer spring pre-tightening sleeve positioning screwn; The 17-rotating dog; 18-locking loam cake; The 19-chute; 20-center chute; The 21-hexagonal hole; 22-the first cavity; 23-the second cavity; The 24-auxiliary rod; The auxiliary core bar of 26-; Lock pin assembly under the 27-; 28-master's core bar; 29-inner spring seat; 32-outer spring seat; The upper lock pin assembly of 33-; 34-the first recessed band; 35-the second recessed band.
Embodiment
Embodiment, such as Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, a kind of segmented stroke characteristic pneumatic actuator device of turbosupercharger comprises upper shell 8 and lower shell body 1;
Be provided with elastomer diaphragm 6 between upper shell 8 and the lower shell body 1;
The second cavity 23 interior positions near elastomer diaphragm 6 are provided with diaphragm seat 7;
Be connected with core bar 3 on the described diaphragm seat 7, the different spring of twice elasticity coefficient is installed on the core bar 3, inner spring 13 and outer spring 14.
The inner spring lockable mechanism comprises the locking loam cake 18 that is sleeved on the core bar 3, and locking loam cake 18 can be around core bar 3 rotations; Position near lower shell body 1 on the core bar 3 is installed with locking lower cover 11, and locking loam cake 18 and locking lower cover 11 are separately positioned on the two ends of inner spring 13.
After the locking loam cake 18 rotation preset angles, rotating dog 17 overlaps with the center chute 20 of locking loam cake 18, and rotating dog 17 can slide in the center of locking loam cake 18 chute 20.
Described locking loam cake 18 is provided with spirality chute 19 near the position of lower shell body 1, and lock pin 12 is installed in the chute 19, and lock pin 12 can move in chute 19.
Described locking lower cover 11 is fixedly connected with lower shell body 1, without relative movement.
Locking lower cover 11 is provided with groove, is used for fixedly inner spring 13 and outer spring 14.
Between described outer spring 14 and the upper shell 8 outer spring pre-tightening sleeve 15 is installed, outer spring pre-tightening sleeve 15 carries out the pretension location by outer spring pre-tightening sleeve positioning screwn 16.
During work, enter the first cavity 22 with the gas of pressure from valve 10, promote elastomer diaphragm 6 and move to lower shell body 1 direction with diaphragm seat 7, diaphragm seat 7 drives core bars 3 and rotating dog 17 moves together.When initial, rotating dog 17 does not overlap with the center chute 20 of locking loam cake 18, and the several angle that staggers, rotating dog 17 can press locking loam cake 18 to move to lower shell body 1 direction.Locking loam cake 18 compression inner springs 13, this stage inner spring 13 works, and stroke characteristic is determined by the elasticity coefficient of inner spring 13.
In the process that locking loam cake 18 compression inner springs 13 move to lower shell body 1, lock pin 12 can move along the spiral chute 19 of locking loam cake 18, promote 18 rotations of locking loam cake, when 18 rotations of locking loam cake overlap with rotating dog 17 to its center chute 20, rotating dog 17 enters the center chute 20 of locking loam cake 18, moves along center chute 20 relative locking loam cakes 18.At this moment, locking loam cake 18 is because there being the spacing of lock pin 12, chute 19, center chute 20, rotating dog 17, can return, be parked in the terminal point that inner spring 13 works.Diaphragm seat 7 promotes outer spring pre-tightening sleeve 15, and compression outer spring 14 moves to lower shell body 1 direction, and this stage outer spring 14 works, and stroke characteristic is determined by the elasticity coefficient of outer spring 14.
When pressure reduces, rotating dog 17 is followed core bar 3 and is moved to upper shell 8 directions, when shifting out center chute 20, the position-limiting action of center chute 20 and rotating dog 17 disappears, locking loam cake 18 circles round to rotating dog 17 and no longer overlaps with center chute 20, along with pressure continue reduce, locking loam cake 18 is with the cycle original position.This stage, outer spring 14 outside spring pre-tightening cover 15 spacing by outer spring pre-tightening sleeve positioning screwn 16 before, an outer spring 14 works, when outer spring 14 was limited, rotating dog 17 also just in time shifted out center chute 20, after this point, an inner spring 13 works.
Like this, can realize the collocation of various different stroke characteristics, as much as possible booster performance be transferred to the best.
We have been described in detail invention according to the national patent method now, can identify improvement or the replacement of specific embodiment disclosed herein for those skilled in the art.These modifications are within the spirit and scope of the present invention.
Claims (8)
1. the segmented stroke characteristic pneumatic actuator device of a turbosupercharger comprises upper shell (8) and lower shell body (1);
Be provided with elastomer diaphragm (6) between upper shell (8) and the lower shell body (1);
Elastomer diaphragm (6) is partitioned into two mutual disconnected cavitys with the cavity between upper shell (8) and the lower shell body (1): the first cavity (22) and the second cavity (23);
Position near elastomer diaphragm (6) in the second cavity (23) is provided with diaphragm seat (7);
Be connected with core bar (3) on the described diaphragm seat (7), the different spring of twice elasticity coefficient is installed on the core bar (3), inner spring (13) and outer spring (14);
It is characterized in that:
Outer spring (14) is sleeved on the outside of inner spring (13), and described core bar is equipped with the inner spring lockable mechanism on (3).
2. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 1 is characterized in that:
The length of inner spring (13) and central diameter are all less than length and the central diameter of outer spring (14).
3. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 1 and 2 is characterized in that:
The inner spring lockable mechanism comprises the locking loam cake (18) that is sleeved on the core bar (3), and locking loam cake (18) can center on core bar (3) rotation; The upper position near lower shell body (1) of core bar (3) is installed with locking lower cover (11), and locking loam cake (18) and locking lower cover (11) are separately positioned on the two ends of inner spring (13).
4. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 3 is characterized in that:
Locking loam cake (18) is equipped with rotating dog (17) away from a side position of inner spring (13), and the upper position corresponding with rotating dog (17) of locking loam cake (18) is provided with center chute (20);
Locking loam cake (18) rotates to preset angles, and rotating dog (17) overlaps with the center chute (20) of locking loam cake (18), and rotating dog (17) can slide in the center chute (20) of locking loam cake (18).
5. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 4 is characterized in that:
Described locking loam cake (18) is provided with spirality chute (19) near the position of lower shell body (1), and lock pin (12) is installed in the chute (19), and lock pin (12) can move in chute (19).
6. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 5 is characterized in that:
Lock pin (12) installed inside is on locking lower cover (11), and locking lower cover (11) center is provided with hexagonal hole (21), and the cross section of core bar (3) is hexagonal shaped, and core bar (3) passes hexagonal hole (21) and is slidingly connected with locking lower cover (11).
7. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 6 is characterized in that:
Locking lower cover (11) is provided with groove, is used for fixedly inner spring (13) and outer spring (14).
8. the segmented stroke characteristic pneumatic actuator device of turbosupercharger according to claim 7 is characterized in that:
Between described outer spring (14) and the upper shell (8) outer spring pre-tightening sleeve (15) is installed, outer spring pre-tightening sleeve (15) carries out the pretension location by outer spring pre-tightening sleeve positioning screwn (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393928.1A CN102852628B (en) | 2012-10-17 | 2012-10-17 | Sectional travel characteristic pneumatic actuator of turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393928.1A CN102852628B (en) | 2012-10-17 | 2012-10-17 | Sectional travel characteristic pneumatic actuator of turbocharger |
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| CN102852628A true CN102852628A (en) | 2013-01-02 |
| CN102852628B CN102852628B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210393928.1A Active CN102852628B (en) | 2012-10-17 | 2012-10-17 | Sectional travel characteristic pneumatic actuator of turbocharger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100363A (en) * | 2014-07-28 | 2014-10-15 | 康跃科技股份有限公司 | Differential pressure type pneumatic actuator device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005579A (en) * | 1975-03-31 | 1977-02-01 | The Garrett Corporation | Turbocharger control and method |
| WO1990001113A1 (en) * | 1988-07-25 | 1990-02-08 | Allied-Signal Inc. | Turbocharger with dual function actuator |
| EP1640584B1 (en) * | 2004-09-16 | 2007-12-19 | Robert Bosch Gmbh | Compressor bypass valve for sequental supercharging |
| CN101649756A (en) * | 2008-08-12 | 2010-02-17 | 启洋精密株式会社 | Turbocharger equipped with a variable nozzle device |
| CN101749104A (en) * | 2009-12-10 | 2010-06-23 | 湖南天雁机械有限责任公司 | By-pass valve actuator of turbocharger |
| CN202832775U (en) * | 2012-10-17 | 2013-03-27 | 康跃科技股份有限公司 | Sectional type journey feature pneumatic actuating device of turbocharger |
-
2012
- 2012-10-17 CN CN201210393928.1A patent/CN102852628B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005579A (en) * | 1975-03-31 | 1977-02-01 | The Garrett Corporation | Turbocharger control and method |
| WO1990001113A1 (en) * | 1988-07-25 | 1990-02-08 | Allied-Signal Inc. | Turbocharger with dual function actuator |
| EP1640584B1 (en) * | 2004-09-16 | 2007-12-19 | Robert Bosch Gmbh | Compressor bypass valve for sequental supercharging |
| CN101649756A (en) * | 2008-08-12 | 2010-02-17 | 启洋精密株式会社 | Turbocharger equipped with a variable nozzle device |
| CN101749104A (en) * | 2009-12-10 | 2010-06-23 | 湖南天雁机械有限责任公司 | By-pass valve actuator of turbocharger |
| CN202832775U (en) * | 2012-10-17 | 2013-03-27 | 康跃科技股份有限公司 | Sectional type journey feature pneumatic actuating device of turbocharger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100363A (en) * | 2014-07-28 | 2014-10-15 | 康跃科技股份有限公司 | Differential pressure type pneumatic actuator device |
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Effective date of registration: 20201231 Address after: No.1 luoqian street, Gucheng street, Shouguang City, Weifang City, Shandong Province Patentee after: Kangyue Technology (Shandong) Co.,Ltd. Address before: No.01 luoqian street, Shouguang Economic Development Zone, Weifang City, Shandong Province 262700 Patentee before: KANGYUE TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Segmented stroke characteristics of turbocharger pneumatic actuator device Effective date of registration: 20220701 Granted publication date: 20140827 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: Kangyue Technology (Shandong) Co.,Ltd. Registration number: Y2022980009719 |