CN106089809B - A kind of stator blade driving device - Google Patents
A kind of stator blade driving device Download PDFInfo
- Publication number
- CN106089809B CN106089809B CN201610446105.9A CN201610446105A CN106089809B CN 106089809 B CN106089809 B CN 106089809B CN 201610446105 A CN201610446105 A CN 201610446105A CN 106089809 B CN106089809 B CN 106089809B
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- China
- Prior art keywords
- oil
- oil pocket
- piston
- driving device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of stator blade driving devices, are related to turbogenerator technical field.The stator blade driving device, is used for the setting angle of regulation blade, and the stator blade driving device includes holder rocking arm；The holder is loop configuration, it is fixedly mounted on casing, the holder is internally provided with oil pocket, the oil pocket is an arc section, it is provided with piston in the oil pocket, the oil pocket is divided into the first oil pocket and the second oil pocket by the piston, and first oil pocket is provided with the first oil nozzle, the second oil nozzle is provided on second oil pocket；One end of the piston is stretched out the oil pocket and is connect with one end of the rocking arm, and the other end of the rocking arm is connect with the blade.Beneficial effects of the present invention：The driving rocking arm of blade moves in the oil pocket on holder according to desired trajectory, and rocking arm is driven by piston driving, piston by the pressure difference in the first oil pocket and the second oil pocket, and not by external resistance, rocking arm will not deform rocking arm in rotation process.
Description
Technical field
The present invention relates to turbogenerator technical fields, and in particular to a kind of stator blade driving device.
Background technology
Modern turbogenerator is in order to pursue the stable operation range of bigger, and the uniformly distributed stator blade of annular is logical in compressor
Often it is arranged around itself rotation.Currently known stator blade operating angle regulating mechanism, including hydraulic actuator, manipulation branch
Frame, " V " type rocking arm, connecting rod, linkage ring etc..Hydraulic actuator linear movement output drives one end of " V " type rocking arm to be revolved around axis
Turn, the other end of " V " type rocking arm drives linkage ring by connecting rod, and linkage annulus moves and the affixed rocking arm of blade, and then drives whole
Enclose blade rotation.It is inconsistent with the linkage annular strain that circumferentially rotates in Plane Rotation when the blade rocking arm work of whole circle distribution, work
It deforms during making, leads to the increase of operating torque.Further, since linkage ring deforms, the blade near pressurized strut
Rotation follows preferably, and is followed from the blade rotation of pressurized strut farther out then poor, it is more difficult to meet designated value, same grade blade is caused to turn
The dynamic inconsistent whole grade blade efficiency of influence.
Invention content
The object of the present invention is to provide a kind of stator blade driving devices, are deposited with solving or at least mitigating in background technology
At least one at the problem of.
The technical solution adopted by the present invention is：A kind of stator blade driving device is provided, the established angle of regulation blade is used for
Degree, the stator blade driving device include holder and rocking arm；The holder is loop configuration, is fixedly mounted on casing, institute
The oil pocket that is internally provided with of holder is stated, the oil pocket is an arc section, and piston is provided in the oil pocket, and the piston will be described
Oil pocket is divided into the first oil pocket and the second oil pocket, and first oil pocket is provided with the first oil nozzle, and is provided on second oil pocket
Two oil nozzles；One end of the piston is stretched out the oil pocket and is connect with one end of the rocking arm, the other end of the rocking arm with it is described
Blade connects.
Preferably, the stator blade driving device also include the first oil cavity channel and the second oil cavity channel, described first
Oil nozzle is connected to first oil pocket by first oil cavity channel；Second oil nozzle is connected to by second oil cavity channel
Second oil pocket.
Preferably, the oil pocket is provided with multiple, and each oil pocket is divided into the first oil pocket and the second oil pocket by piston, multiple
First oil pocket is connected to first oil cavity channel, and multiple second oil pockets are connected to second oil cavity channel,
The setting angle of multiple blades can be adjusted simultaneously by the first oil cavity channel and the second oil cavity channel.
Preferably, the oil pocket is provided with multiple, and each oil pocket is divided into the first oil pocket and the second oil pocket by piston, each
It is provided with the first oil nozzle on first oil pocket, the second oil nozzle is provided on each second oil pocket, can be adjusted by adjusting single oil pocket
Save individual blade.
Preferably, the piston includes adjustment portion, sealing and piston rod；The side of the sealing connects the adjusting
Portion, the other side connect the piston rod；Hydraulic oil is by pushing the both sides of the adjustment portion to push piston, the sealing and institute
The side wall fitted seal of oil pocket is stated, the piston rod stretches out the oil pocket and connect with the blade.
Preferably, the both sides of the sealing are removably connect with the adjustment portion and piston rod respectively.
Preferably, be provided with sealing element between the sealing and the face that is slidably matched of the oil pocket, the adjustment portion with
It is provided with sealing element between the face that is slidably matched of the oil pocket.
Preferably, the loop configuration or multiple fan-shaped segmental arcs that the holder is whole loop configuration, two semi-circulars form
The loop configuration of composition.
The beneficial effects of the present invention are：
In the stator blade driving device of the present invention driving rocking arm of blade in oil pocket on holder according to desired trajectory
Movement, rocking arm are driven by piston driving, piston by the pressure difference in the first oil pocket and the second oil pocket, and rocking arm is not hindered by the external world
Power, rocking arm will not deform in rotation process.
Multiple first oil pockets can be interconnected, and keep uniform pressure to drive simultaneously, multiple second oil pockets can be interconnected mutually
It is logical, it keeps uniform pressure to drive simultaneously, is driven while to realize multiple blades, the synchronization that multiple blades may be implemented turns
It is dynamic, and the regulated quantity of each blade is identical.
Description of the drawings
Fig. 1 is the structural schematic diagram of the stator blade driving device of one embodiment of the invention.
Fig. 2 is another structural schematic diagram of stator blade driving device shown in FIG. 1.
Wherein, 1- holders, the first oil nozzles of 2-, the second oil nozzles of 3-, the first oil pockets of 6-, the second oil pockets of 7-, 8- pistons, 81- tune
Section portion, 82- sealings, 83- piston rods, the first oil cavity channels of 9-, the second oil cavity channels of 10-, 11- rocking arms, 12- blades.
Specific implementation mode
To keep the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1 and Figure 2, a kind of stator blade driving device is used for the setting angle of regulation blade 12, stator blade
Driving device includes holder 1 and rocking arm 11.
Holder 1 is loop configuration, is fixedly mounted on casing, and in the present embodiment, holder 1 is set as whole loop configuration,
It the advantage is that, it is easy for installation.
It is understood that the loop configuration for other forms can also be set as needed in holder 1, for example, at one
In alternative embodiment, holder 1 is to form loop configuration by two semi-circulars；In another alternative embodiment, holder 1 is by more
The loop configuration of a sector segmental arc composition.It the advantage is that, processing is simple, facilitates repair, can individually replace, advantageously reduce
Use cost.
Holder 1 is internally provided with oil pocket, and the oil pocket is an arc section, and two opposite arc surfaces have phase in oil pocket
Same axis.
Piston 8 is provided in the oil pocket, the oil pocket is divided into the first oil pocket 6 and the second oil pocket 7, the first oil by piston 8
Chamber 6 is provided with the first oil nozzle 2, the first oil nozzle 2 for the first oil pocket 6 oil inlet with it is fuel-displaced；The second oil is provided on second oil pocket 7
Mouth 3, the second oil nozzle 3 for the second oil pocket 7 oil inlet with it is fuel-displaced；One end of the oil pocket and rocking arm 11 is stretched out in one end of piston 8
Connection, the other end of rocking arm 11 are connect with blade 12.
In the stator blade driving device of the present invention driving rocking arm 11 of blade 12 in oil pocket on holder 1 according to making a reservation for
Track moves, and rocking arm 11 is driven by piston 8, and piston 8 is driven by the pressure difference in the first oil pocket 6 and the second oil pocket 7, rocking arm
11 by external resistance, and rocking arm 11 will not deform in rotation process.
In the present embodiment, stator blade driving device also include the first oil cavity channel 9 and the second oil cavity channel 10, first
Oil nozzle 2 is connected to the first oil pocket 6 by the first oil cavity channel 9；Second oil nozzle 3 is connected to the second oil pocket 7 by the second oil cavity channel 10.
It the advantage is that, if without the first oil cavity channel 9 and the second oil cavity channel 10, the first oil nozzle 2 and the second oil nozzle 3 can only select
It is arranged on side wall of first oil pocket 6 with the second oil pocket 7, fitting limit is restricted, and is unfavorable for topology layout；Pass through the first oil pocket
Channel 9 can change the installation site of the first oil nozzle 2, can change the installation position of the second oil nozzle 3 by the second oil cavity channel 10
It sets, the fitting limit of the first oil nozzle 2 and the second oil nozzle 3 becomes larger, and is conducive to structure design, and the movement to rocking arm 11 is avoided to cause shadow
It rings.
In the present embodiment, the oil pocket is provided with multiple, and each oil pocket is divided into the first oil pocket and by the piston
Two oil pockets, multiple first oil pockets are connected to the first oil cavity channel 9, multiple second oil pockets and the second oil cavity channel 10
Connection, the setting angle of multiple blades can be adjusted by the first oil cavity channel 9 and the second oil cavity channel 10 simultaneously.
Multiple first oil pockets can be interconnected, and keep uniform pressure to drive simultaneously, multiple second oil pockets can be interconnected mutually
It is logical, it keeps uniform pressure to drive simultaneously, is driven while to realize multiple blades, the synchronization that multiple blades may be implemented turns
It is dynamic, and the regulated quantity of each blade is identical.
It is understood that in another alternative embodiment, the oil pocket is provided with multiple, and each oil pocket is described
Piston is divided into the first oil pocket and the second oil pocket, and the first oil nozzle is provided on each first oil pocket, is provided on each second oil pocket
Second oil nozzle can adjust individual blade by adjusting single oil pocket.
It is understood that in the present embodiment, when multiple first oil pockets are connected to by the first oil cavity channel 9, multiple second
When oil pocket is connected to by the second oil cavity channel 10, can valve be set between each first oil pocket and the first oil cavity channel 9, every
Valve is set between a second oil pocket and the second oil cavity channel 10, leads to the switch of multiple control valve door, can also realize single piston
Adjustment.
In the present embodiment, piston 8 includes adjustment portion 81, sealing 82 and piston rod 83.The side of sealing 82 connects
Adjustment portion 81, the other side connect piston rod 83；Hydraulic oil by push adjustment portion 81 both sides push piston 8, sealing 82 with
The side wall fitted seal of the oil pocket, piston rod 83 stretch out the oil pocket and are connect with blade 12.
In the present embodiment, adjustment portion 81, sealing 82 and piston rod 83 are integrally formed, and the advantage is that, installation is simple
It is convenient.It is understood that the arc length of the sealing cooperation of sealing 82 and the first oil pocket 6 and the second oil pocket 7 should be greater than rocking arm 11
The rotation arc length needed.To ensure that during piston rotation, sealing 82 can keep the sealing of oil pocket.
It is understood that the type of attachment of adjustment portion 81, sealing 82 and piston rod 83 can also be according to actual conditions
Setting.For example, in an alternative embodiment, the both sides of sealing 82 are respectively with adjustment portion 81 and piston rod 83 with detachable side
Formula connects.For example, adjustment portion 81 is fixedly connected by screw with sealing 82 with piston rod 83, the advantage is that, installation maintenance
It is convenient, the single replacement of part may be implemented, use cost is relatively low.
It is understood that the oil pocket of the present invention is an accommodating chamber with sealing cover, adjustment portion 81, sealing
82 and piston rod 83 be put into the accommodating chamber, and pass through the seal cap sealing, the mating surface of sealing cover and the accommodating chamber
Between be provided with sealing ring.It the advantage is that, adjustment portion 81, sealing 82 and piston rod 83 facilitate installing and dismounting.
In the present embodiment, sealing element, adjustment portion 81 are provided between sealing 82 and the face that is slidably matched of the oil pocket
It is provided with sealing element between the face that is slidably matched of the oil pocket.
It is understood that the sealing element is oil resistant rubber sealing strip, it the advantage is that, hydraulic oil can be prevented to close
The corrosion of sealing.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：It is still
Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, the essence for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
God and range.
Claims (8)
1. a kind of stator blade driving device is used for the setting angle of regulation blade (12), it is characterised in that：The stator blade
Driving device includes holder (1) and rocking arm (11)；
The holder (1) is loop configuration, is fixedly mounted on casing, the holder (1) is internally provided with oil pocket, the oil
Chamber is an arc section, is provided with piston (8) in the oil pocket, and the oil pocket is divided into the first oil pocket (6) and the by the piston (8)
Two oil pockets (7), first oil pocket (6) are provided with the first oil nozzle (2), the second oil nozzle are provided on second oil pocket (7)
(3)；One end of the piston (8) is stretched out the oil pocket and is connect with one end of the rocking arm (11), the other end of the rocking arm and
Blade (12) connection.
2. stator blade driving device as described in claim 1, it is characterised in that：The stator blade driving device also includes
First oil cavity channel (9) and the second oil cavity channel (10), first oil nozzle (2) are connected to by first oil cavity channel (9)
First oil pocket (6)；Second oil nozzle (3) is connected to second oil pocket (7) by second oil cavity channel (10).
3. stator blade driving device as claimed in claim 2, it is characterised in that：The oil pocket is provided with multiple, each oil
Chamber is divided into the first oil pocket and the second oil pocket by piston (8), and multiple first oil pockets connect with first oil cavity channel (9)
Logical, multiple second oil pockets are connected to second oil cavity channel (10), logical by the first oil cavity channel (9) and the second oil pocket
Road (10) can adjust the setting angle of multiple blades simultaneously.
4. stator blade driving device as described in claim 1, it is characterised in that：The oil pocket is provided with multiple, each oil
Chamber is divided into the first oil pocket and the second oil pocket by piston (8), and the first oil nozzle, each second oil pocket are provided on each first oil pocket
On be provided with the second oil nozzle, can adjust individual blade by adjusting single oil pocket.
5. such as Claims 1-4 any one of them stator blade driving device, it is characterised in that：The piston (8) includes to adjust
Section portion (81), sealing (82) and piston rod (83)；The side of the sealing (82) connects the adjustment portion (81), the other side
Connect the piston rod (83)；Hydraulic oil is by pushing the both sides of the adjustment portion (81) to push piston, the sealing (82)
With the side wall fitted seal of the oil pocket, the piston rod (83) is stretched out the oil pocket and is connect with the blade.
6. stator blade driving device as claimed in claim 5, it is characterised in that：The both sides of the sealing (82) respectively with
The adjustment portion (81) and piston rod (83) removably connect.
7. stator blade driving device as claimed in claim 6, it is characterised in that：The sealing (82) and the oil pocket
It is slidably matched between face and is provided with sealing element, sealing is provided between the adjustment portion (81) and the face that is slidably matched of the oil pocket
Part.
8. stator blade driving device as described in claim 1, it is characterised in that：The holder (1) is whole loop configuration, two
The loop configuration of the loop configuration of a semi-circular composition or multiple fan-shaped segmental arc compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446105.9A CN106089809B (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446105.9A CN106089809B (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089809A CN106089809A (en) | 2016-11-09 |
| CN106089809B true CN106089809B (en) | 2018-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446105.9A Active CN106089809B (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089809B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374689B (en) * | 2018-04-12 | 2022-03-11 | 中国航发商用航空发动机有限责任公司 | Actuating cylinder, adjusting mechanism capable of adjusting stator blade and aircraft engine |
| CN109048969A (en) * | 2018-10-25 | 2018-12-21 | 董翰泽 | A kind of self-adapting grasping manipulator |
| CN111504621A (en) * | 2020-04-21 | 2020-08-07 | 中国航发沈阳发动机研究所 | Durability test structure of stator blade angle adjusting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2259956A (en) * | 1991-09-25 | 1993-03-31 | Snecma | Turbomachine with variably settable stator blades |
| JP2001193696A (en) * | 2000-01-11 | 2001-07-17 | Ishikawajima Harima Heavy Ind Co Ltd | Variable stationary blade device for axial-flow compressor |
| CN1482345A (en) * | 2002-07-31 | 2004-03-17 | 通用电气公司 | Stator vane actuator in gas turbine engine |
| JP2004124849A (en) * | 2002-10-03 | 2004-04-22 | Mitsubishi Heavy Ind Ltd | Variable stator blade driving device and rotary machine |
| CN201144879Y (en) * | 2007-12-27 | 2008-11-05 | 西安陕鼓动力股份有限公司 | Hydraulic drive stationary blade regulating mechanism of axial flow compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140030069A1 (en) * | 2012-07-26 | 2014-01-30 | Jonathan D. Little | Top hat bearing retainer for variable vane actuator |
-
2016
- 2016-06-21 CN CN201610446105.9A patent/CN106089809B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2259956A (en) * | 1991-09-25 | 1993-03-31 | Snecma | Turbomachine with variably settable stator blades |
| JP2001193696A (en) * | 2000-01-11 | 2001-07-17 | Ishikawajima Harima Heavy Ind Co Ltd | Variable stationary blade device for axial-flow compressor |
| CN1482345A (en) * | 2002-07-31 | 2004-03-17 | 通用电气公司 | Stator vane actuator in gas turbine engine |
| JP2004124849A (en) * | 2002-10-03 | 2004-04-22 | Mitsubishi Heavy Ind Ltd | Variable stator blade driving device and rotary machine |
| CN201144879Y (en) * | 2007-12-27 | 2008-11-05 | 西安陕鼓动力股份有限公司 | Hydraulic drive stationary blade regulating mechanism of axial flow compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106089809A (en) | 2016-11-09 |
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Inventor after: Ma Xiaojian Inventor after: Dong Yuxi Inventor after: Wang Hua Inventor after: Han Fangjun Inventor after: Zhao Xiaodong Inventor after: Bai Zhigang Inventor before: Ma Xiaojian Inventor before: Wang Hua Inventor before: Han Fangjun Inventor before: Zhao Xiaodong Inventor before: Bai Zhigang |
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Address after: Shenhe District of Shenyang City, 110015 Wan Lin Road No. 1 in Liaoning Province Patentee after: AECC SHENYANG ENGINE Research Institute Address before: Shenhe District of Shenyang City, 110015 Wan Lin Road No. 1 in Liaoning Province Patentee before: AVIC SHENYANG ENGINE DESIGN & Research Institute |