CN102278146A - Device for regulating guide blade of turbine - Google Patents
Device for regulating guide blade of turbine Download PDFInfo
- Publication number
- CN102278146A CN102278146A CN2011102228199A CN201110222819A CN102278146A CN 102278146 A CN102278146 A CN 102278146A CN 2011102228199 A CN2011102228199 A CN 2011102228199A CN 201110222819 A CN201110222819 A CN 201110222819A CN 102278146 A CN102278146 A CN 102278146A
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- oilhole
- actuation mechanism
- guide rod
- neck bush
- guide vane
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Abstract
The invention provides a device for regulating a guide blade of a turbine, comprising a case (1), a regulating cam (3) arranged on the case (1) in a rotatable manner, as well as a follow-up valve (4) and an actuating mechanism (5) which are contained and arranged in the case (1), wherein the follow-up valve (4) and the actuating mechanism (5) interact to provide a rotating power for the guide blade. In the invention, the device for regulating the guide blade is hydraulically driven, and the angle of the guide blade can be continuously and steplessly regulated, thus the angle of the guide blade can be matched with the blade airflow air suction angle requirement at different rotating speeds and the thermal energy conversion efficiency of a turbine blade is greatly improved.
Description
Technical field
The present invention relates to the turbo machine field, especially, relate to a kind of turbo machine guide vane regulator.
Background technique
Guide vane all is installed in power turbine, and the effect of guide vane is to change to enter the preceding airflow direction of turbine blade.In order to make the power turbine blade obtain the charge air flow of better angle, before turbine blade, designed the guide vane (also claiming stator blade) of adjustable-angle usually.At present, guide vane is to utilize the guide vane regulator to carry out multistage adjusting.Yet existing guide vane regulator can only arrive fixedly several position with the stator angle adjustment.
Summary of the invention
The object of the invention is to provide a kind of turbo machine guide vane regulator, the guide vane angle adjustment can only be arrived several fixing positions and the technical problem of energy continuous stepless adjusting to solve existing guide vane regulator.
For achieving the above object, the invention provides a kind of turbo machine guide vane regulator, comprise housing; Rotation is installed in the adjustment cam on the housing; Accommodate the servo-actuated valve and the actuation mechanism that are installed in the housing; The servo-actuated valve comprises external bushing and neck bush, neck bush is contained in the external bushing, and neck bush is provided with the liner oilhole, and external bushing is provided with first oilhole, second oilhole and the 3rd oilhole, neck bush is connected to adjustment cam, and neck bush moves relative to external bushing vertically with the rotation of adjustment cam; Actuation mechanism comprises actuation mechanism cam, actuation mechanism gear, axle core and pressurized strut; Actuation mechanism cam and actuation mechanism gear all are fixedly installed in a core, and the actuation mechanism cam is connected to external bushing, and and drive external bushing and move vertically with respect to neck bush with the rotation of actuation mechanism cam; Pressurized strut comprises first sleeve sections, second sleeve sections and is slidably located on tooth bar in the pressurized strut between first sleeve sections, second sleeve sections; First sleeve sections operationally connects with the 3rd oilhole (43); Second sleeve sections operationally connects with second oilhole; Tooth bar engagement in actuation mechanism gear and the pressurized strut, the axle core is connected with guide vane.
Further, the servo-actuated valve also comprises lining, and neck bush and external bushing are contained in the lining together, and lining is provided with some lining oilholes; First sleeve sections and one of them lining oilhole connect; Second sleeve sections and another one lining oilhole wherein connect; One of them lining oilhole and another one lining oilhole wherein operationally connect with the 3rd oilhole and second oilhole respectively.
Further, neck bush comprises first end and second end, and first end and the adjustment cam of neck bush connect; Housing also is fixed with a threaded guide rod, and threaded guide rod is against second end of neck bush; Be arranged with cover in the guide rod on the threaded guide rod; Spring housing is located at cover in the guide rod, and second end of the opposite end of spring interior cover of difference butt guide rod and neck bush.
Further, neck bush comprises an inner chamber, and the liner oilhole all connects with inner chamber; Second end is an opening end, and its internal fixation has a connecting ring; Spring section is sheathed on connecting ring.
Further, threaded guide rod is provided with a head; Threaded guide rod also is with the guide rod overcoat between overlapping in head and guide rod; External bushing comprises first end and second end, and first end of external bushing contacts with actuation mechanism; One end of guide rod overcoat is resisted against second end of external bushing; Spring housing is located at external bushing, and the opposite end of spring difference butt guide rod overcoat and head.
Further, the actuation mechanism cam is installed on first end of mandrel; Second end of mandrel is as the output lug) with the engagement of half ring gear of guide vane; The actuation mechanism gear is fixed between first end and second end of mandrel.
Further, also comprise the oil-feed mechanism of being fixed in housing; The oil inlet passage that oil-feed mechanism is provided with inlet connector and is communicated with inlet connector; Oil inlet passage is communicated with one of them lining oilhole, and operationally is communicated with first oilhole.
Further, oil-feed mechanism comprises the oil inlet pipe shell that is fixed in housing and is socketed on the interior oil inlet pipe inner casing of oil inlet pipe shell; Inlet connector runs through the oil inlet pipe inner casing.
Further, also be provided with the oil filter in the oil inlet pipe inner casing; Connect by the oil filter between inlet connector and the oil inlet passage.
Further, also comprise the fuel-displaced mechanism that is connected in housing; Fuel-displaced mechanism comprises outer pipe inner casing, outlet pipe connection that is connected with actuation mechanism and the one-way cock that is connected with outlet pipe connection.
The present invention has following beneficial effect: the present invention adopts hydraulic driving guide vane regulator, the angle of step-less adjustment guide vane serially, make the angle of guide vane to be complementary, improve the turbine blade thermal energy conversion efficiency greatly with the demand of turbine blade air-flow air inlet angle under the different rotating speeds.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.With reference to figure, the present invention is further detailed explanation below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the guide vane regulator cross-sectional view of the preferred embodiment of the present invention;
Fig. 2 is the cross-sectional view of oil-feed mechanism of the regulator of the preferred embodiment of the present invention;
Fig. 3 is the cross-sectional view of servo-actuated valve of the regulator of the preferred embodiment of the present invention;
Fig. 4 is the cross-sectional view of actuation mechanism of the regulator of the preferred embodiment of the present invention;
Fig. 5 is the cross-sectional view of guide vane regulator on the pressurized strut plane of the preferred embodiment of the present invention;
Fig. 6 is the actuation mechanism cam type surface structure plan view schematic representation of the preferred embodiment of the present invention;
Fig. 7 is the adjustment cam profile structure schematic top plan view of the regulator of the preferred embodiment of the present invention; And
Fig. 8 is the fuel-displaced mechanism cross-sectional view of the regulator of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, a kind of turborotor regulator comprises housing 1, operating handle 2, adjustment cam 3, servo-actuated valve 4, actuation mechanism 5, oil-feed mechanism 6, fuel-displaced mechanism 7 and pressure control mouth pipe joint 8.Servo-actuated valve 4 and actuation mechanism 5 are contained in the housing 1, and operating handle 2 and adjustment cam 3 are installed on the housing 1, and oil-feed mechanism 6 and fuel-displaced mechanism 7 are installed in the two ends of housing 1 respectively.As other embodiment, the turborotor regulator can operating handle 2 be set or/and oil-feed mechanism 6 or/and fuel-displaced mechanism 7.
In conjunction with referring to Fig. 2, oil-feed mechanism 6 comprises oil inlet pipe shell 61, oil inlet pipe inner casing 62, oil filter 63, inlet connector 64 and oil inlet passage 65.Oil filter 63 is contained in the oil inlet pipe inner casing 62, and oil inlet pipe shell 61 is socketed on oil inlet pipe inner casing 62 outer walls.Inlet connector 64 is fixedly connected on the oil inlet pipe inner casing 62, and is connected with oil filter 63.Oil-feed mechanism 6 is fixedly connected on first end of housing 1, and is communicated with servo-actuated valve 4 by oil inlet passage 65.
In conjunction with referring to Fig. 3, servo-actuated valve 4 comprises first oilhole 41, second oilhole 42, the 3rd oilhole 43, lining 44, external bushing 45, neck bush 46, threaded guide rod 47 and spring 48,49.Neck bush 46 is contained in the external bushing 45.Neck bush 46 and external bushing 45 are contained in the lining 44 together.Wherein first oilhole 41 is connected with the inflow pipeline of oil-feed mechanism 6 as the oil inlet hole of servo-actuated valve 4.
Neck bush 46 is a hollow pipe, and the hollow parts of this hollow pipe is an inner chamber 464.Offer some liner oilholes 465 that supply fuel oil to penetrate on the tube wall of neck bush 46.Neck bush 46 comprises cylindrical first end 461 that is convex globoidal and second end 462 with opening.First end 461 of neck bush 46 connects with adjustment cam 3.One connecting ring, 463 parts are contained in the opening of second end 462 of neck bush 46.
Offer some lining oilholes 441 that supply fuel oil to penetrate on the tube wall of lining 44.
Threaded guide rod 47 comprises a head 473 and the rod blank of being extended by head 473.Rod blank leans the end that connecting ring 463 exposes to neck bush 46.The bar portion of threaded guide rod 47 is set with cover 472 and guide rod overcoat 471 in the guide rod.Wherein, guide rod overcoat 471 overlaps between 472 in head 473 and guide rod, and accommodates cover 472 in the guide rod.An end of cover 472 is to being projected with the flanging of replacing guide rod overcoat 471 in the guide rod, and another opposite end of cover 472 leans the end that connecting ring 463 exposes to neck bush 46 in the guide rod.Spring 48 is sleeved on interior cover 472 of guide rod and the connecting ring 463, and the flanging of the interior cover 472 of the opposite end of spring 48 difference butt guide rod and second end 462 of neck bush 46.First end of guide rod overcoat 471 is provided with the flanging that second end 452 with external bushing 45 connects.Spring 49 is sleeved on the guide rod overcoat 471, and the flanging of the opposite end of spring 49 difference butt guide rod overcoat 471 and the head 473 of threaded guide rod 47.
Pressure control mouth pipe joint 8 is fixedly connected on the housing 1, and is connected with threaded guide rod 47.Pressure control mouth pipe joint 8 is connected with rod blank.
In conjunction with referring to Fig. 4 and Fig. 5, actuation mechanism 5 comprises actuation mechanism cam 51, actuation mechanism gear 52, output lug 53, bearing 54, axle core 55 and pressurized strut 56.Actuation mechanism gear 52 and bearing 54 all are sleeved on the core 55.Actuation mechanism cam 51 hitch are installed in first end 551 of a core 55, and first end 451 of the wheel end face of actuation mechanism cam 51 and external bushing 45 connects.The both sides of actuation mechanism gear 52 respectively are provided with a pressurized strut 56, and the cavity of pressurized strut 56 is connected with servo-actuated valve 4.Pressurized strut 56 comprises tooth bar 561 in the pressurized strut, tooth bar 561 and 52 engagements of actuation mechanism gear in the pressurized strut.Second end of axle core 55 is output lug 53.Output lug 53 meshes with half ring gear of impeller.
In conjunction with referring to Fig. 6, the wheel face radius size of actuation mechanism cam 51 is unequal.
In conjunction with Fig. 7, adjustment cam 3 is sleeved on the actuation mechanism cam 51 with gap, and adjustment cam 3 is mounted in the housing 1.The wheel end of the wheel face 31 of adjustment cam 3 contacts with first end, 461 profiles of neck bush 46.The radius size of the wheel face 31 of adjustment cam 3 is unequal.Operating handle 2 is fixedlyed connected with adjustment cam 3, with 3 rotations of regulating and controlling cam.When the radius larger part of adjustment cam 3 can be replaced adjustment cam 3, neck bush 46 was moved to the left; When adjustment cam 3 rotates to the radius smaller part when fending off adjustment cam 3, neck bush 46 moves right under the effect of the elastic-restoring force of spring 48.
In conjunction with referring to Fig. 8, fuel-displaced mechanism 7 comprises one-way cock 71, outer pipe inner casing 72 and outlet pipe connection 73.One end of one-way cock 71 is connected with outlet pipe connection 73, and is contained in outlet pipe connection 73.Outlet pipe connection 73 is connected with outer pipe inner casing 72.Outer pipe inner casing 72 is fixedlyed connected with housing 1, and is connected with actuation mechanism 5.
The working principle of turborotor regulator of the present invention is:
When the guide vane regulator is in the static equilibrium position, the neck bush 46 and the external bushing 45 of servo-actuated valve 4 are in position shown in Figure 3, and first oilhole 41, second oilhole 42 and the 3rd oilhole 43 on the liner oilhole 465 on the neck bush 46 and lining oilhole on the lining 44 441 and the external bushing 45 all stagger.At this moment, spring 48,49 elastic compression, and first end 461 of the elastic force effect lower liner of spring 48,49 cover 46 contacts with the wheel face 31 of the radius larger part of adjustment cam 3.
When guide vane need be adjusted angle, the guide vane regulator was started working, and fuel oil enters oil filter 63 through inlet connector 64, filtered the back fuel oil and entered first oilhole 41 on the external bushing 45 by the lining oilhole 441 on oil inlet passage 65 and the lining 44.Operating handle 2 is rotated by 80 ° of past-12 ° of directions, rotate to drive adjustment cam 3.In this process, adjustment cam 3 is rotated to the little position of profile radius gradually from the big position of profile radius.Under the elastic force effect of spring 48, the neck bush 46 of servo-actuated valve 4 moves to actuation mechanism 5 directions, and at this moment, liner oilhole 465 on the neck bush 46 and the lining oilhole 441 on the lining 44 all align with first oilhole 41 and the 3rd oilhole 43 on the external bushing 45.Fuel oil in first oilhole 41 of external bushing 45 flows into inner chamber 464, enters in the pressurized strut 56 through the 3rd oilhole 43 again, makes an end of pressurized strut 56 form hyperbaric chamber.Thereby the two ends pressure reduction of pressurized strut 56 increases.Under differential pressure action, pressurized strut tooth bar 561 moves toward the low-pressure cavity direction, and makes the fuel oil in the low-pressure cavity flow into servo-actuated valve 4 through second oilhole 42.The gear 52 of actuation mechanism 5 clockwise rotates under the drive of pressurized strut tooth bar 561.At this moment, axle core 55 also rotates along with gear 52, rotates thereby drive actuation mechanism cam 51.In this process, the direction rotation that actuation mechanism cam 51 reduces toward the wheel radius surface, the elastic-restoring force of spring 49 makes external bushing 45 move to the direction near actuation mechanism 5, is in state of equilibrium once more up to servo-actuated valve 4.
Axle core 55 rotations of actuation mechanism 5, output lug 53 is also along with rotation.Half ring gear that is installed on the impeller of exporting lug 53 is also along with rotation.The rotation of half ring gear can drive the guide vane rotation, thus the purpose that realizes regulating the guide vane exhaust angle that is connected with half ring gear.When the operating handle 2 of guiding regulator was moved by-12 ° of past 80 ° of directions, the neck bush 46 of servo-actuated valve 4 moved to the direction that deviates from actuation mechanism 5.At this moment, fuel oil enters second oilhole 42, and then enters in the pressurized strut, forms reverse hyperbaric chamber, and actuation mechanism 5 is rotated counterclockwise, and external bushing 45 moves to the direction that deviates from actuation mechanism 5, reaches state of equilibrium up to servo-actuated valve 4.At this moment, the guide vane counter-rotation can reach the air inlet angle of attack an of the best in the guide vane rotation process.
In said process, some fuel oil in the servo-actuated valve 4 infiltrates cavity between actuation mechanism 5 and the adjustment cam 3 by the gap.Fuel oil in this cavity enters fuel-displaced mechanism 7 through the gap, flows out by outlet pipe connection 73 again.
Drain the oil or turborotor when needing emergency braking when the excess revolutions of turbine rotor rotating speed needs the guide vane regulator, a part of fuel oils are drained the oil through 8 pairs of guide vane regulators of pressure control mouth pipe joint in the servo-actuated valve 4.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a turbo machine guide vane regulator is characterized in that, comprising: housing (1);
Rotation is installed in the adjustment cam (3) on the described housing (1);
Accommodate the servo-actuated valve (4) and the actuation mechanism (5) that are installed in the described housing (1);
Described servo-actuated valve (4) comprises external bushing (45) and neck bush (46), described neck bush (46) is contained in the described external bushing (45), described neck bush (46) is provided with liner oilhole (465), described external bushing (45) is provided with first oilhole (41), second oilhole (42) and the 3rd oilhole (43), described neck bush (46) is connected to described adjustment cam (3), and described neck bush (46) moves relative to described external bushing (45) vertically with the rotation of described adjustment cam (3);
Described actuation mechanism (5) comprises actuation mechanism cam (51), actuation mechanism gear (52), axle core (55) and pressurized strut (56);
Described actuation mechanism cam (51) and described actuation mechanism gear (52) all are fixedly installed in described axle core (55), described actuation mechanism cam (51) is connected to described external bushing (45), and and drive described external bushing (45) and move vertically with respect to described neck bush (46) with the rotation of described actuation mechanism cam (51);
Described pressurized strut (56) comprises first sleeve sections, second sleeve sections and is slidably located on tooth bar (561) in the pressurized strut between described first sleeve sections, second sleeve sections;
Described first sleeve sections operationally connects with described the 3rd oilhole (43);
Described second sleeve sections operationally connects with described second oilhole (42);
Described actuation mechanism gear (52) and interior tooth bar (561) engagement of described pressurized strut, described axle core (55) is connected with guide vane.
2. turbo machine guide vane regulator according to claim 1, it is characterized in that, described servo-actuated valve (4) also comprises lining (44), and described neck bush (46) and external bushing (45) are contained in the lining (44) together, and described lining (44) is provided with some lining oilholes (441);
Described first sleeve sections and one of them lining oilhole (441) connect;
Described second sleeve sections and another one lining oilhole (441) wherein connect;
One of them described lining oilhole (441) and the described lining oilhole of another one wherein (441) operationally connect with described the 3rd oilhole (43) and described second oilhole (42) respectively.
3. turbo machine guide vane regulator according to claim 2 is characterized in that,
Described neck bush (46) comprises first end (461) and second end (462), and described first end (461) connects with described adjustment cam (3);
Described housing (1) also is fixed with a threaded guide rod (47), and described threaded guide rod (47) is against described second end (462) of described neck bush (46);
Be arranged with cover (472) in the guide rod on the described threaded guide rod (47);
Spring (48) is sheathed on cover (472) in the described guide rod, and overlaps described second end (462) of (472) and described neck bush (46) in the described guide rod of the opposite end of described spring (48) difference butt.
4. turbo machine guide vane regulator according to claim 3 is characterized in that,
Described neck bush (46) comprises an inner chamber (464), and described liner oilhole (465) all connects with described inner chamber (464);
Described second end (462) is an opening end, and its internal fixation has a connecting ring (463);
Described spring (48) part is sheathed on described connecting ring (463).
5. turbo machine guide vane regulator according to claim 3 is characterized in that,
Described threaded guide rod (47) is provided with a head (473);
Described threaded guide rod (47) overlaps between (472) in described head (473) and described guide rod and also is with guide rod overcoat (471);
Described external bushing (45) comprises first end (451) and second end (452), and described first end (451) contacts with actuation mechanism (5);
One end of described guide rod overcoat (471) is resisted against described second end (452) of described external bushing (45);
Spring (49) is sheathed on described external bushing (45), and the opposite end of described spring (49) difference described guide rod overcoat of butt (471) and described head (473).
6. turbo machine guide vane regulator according to claim 2 is characterized in that described actuation mechanism cam (51) is installed on first end of described mandrel (55);
Second end of described mandrel (55) is as the half ring gear engagement of output lug (53) with described guide vane;
Described actuation mechanism gear (52) is fixed between first end and second end of described mandrel (55).
7. according to any described turbo machine guide vane regulator in the claim 2 to 6, it is characterized in that, also comprise the oil-feed mechanism (6) of being fixed in described housing (1);
The oil inlet passage (65) that described oil-feed mechanism (6) is provided with inlet connector (64) and is communicated with described inlet connector (64);
Described oil inlet passage (65) is communicated with one of them described lining oilhole (441), and operationally is communicated with described first oilhole (41).
8. turbo machine guide vane regulator according to claim 7 is characterized in that, described oil-feed mechanism (6) comprises the oil inlet pipe shell (61) that is fixed in described housing (1) and is socketed on the interior oil inlet pipe inner casing (62) of described oil inlet pipe shell (61);
Described inlet connector (64) runs through oil inlet pipe inner casing (62).
9. turbo machine guide vane regulator according to claim 8 is characterized in that, also is provided with oil filter (63) in the described oil inlet pipe inner casing (62);
Connect by described oil filter (63) between described inlet connector (64) and the described oil inlet passage (65).
10. turbo machine guide vane regulator according to claim 9 is characterized in that, also comprises the fuel-displaced mechanism (7) that is connected in described housing (1);
Described fuel-displaced mechanism (7) comprises outer pipe inner casing (72), outlet pipe connection (73) that is connected with described actuation mechanism (5) and the one-way cock (71) that is connected with described outlet pipe connection (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222819.9A CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222819.9A CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278146A true CN102278146A (en) | 2011-12-14 |
| CN102278146B CN102278146B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110222819.9A Active CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
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| CN (1) | CN102278146B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321360A (en) * | 2016-10-08 | 2017-01-11 | 重庆交通大学 | Generating device of bidirectional angle-adjustable air turbine |
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| CN101899997A (en) * | 2008-11-24 | 2010-12-01 | 霍尼韦尔国际公司 | Turbocharger with vairable turbine nozzle actuated by hydraulic and mechanical spring forces |
| CN202250255U (en) * | 2011-08-04 | 2012-05-30 | 中国南方航空工业(集团)有限公司 | Guide vane regulator of turbine |
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| JPS61185622A (en) * | 1985-02-13 | 1986-08-19 | Toyota Motor Corp | Supercharging pressure controller for turbocharger with variable throat nozzle |
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| JP2007120459A (en) * | 2005-10-31 | 2007-05-17 | Toshiba Corp | Guide vane closing control device for power generation hydraulic machine, and method for controlling it |
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| CN106321360A (en) * | 2016-10-08 | 2017-01-11 | 重庆交通大学 | Generating device of bidirectional angle-adjustable air turbine |
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| CN102278146B (en) | 2014-04-09 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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