CN109595219A - The servo actuator of air inlet guide vane in a kind of gas turbine - Google Patents
The servo actuator of air inlet guide vane in a kind of gas turbine Download PDFInfo
- Publication number
- CN109595219A CN109595219A CN201910102558.3A CN201910102558A CN109595219A CN 109595219 A CN109595219 A CN 109595219A CN 201910102558 A CN201910102558 A CN 201910102558A CN 109595219 A CN109595219 A CN 109595219A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- oil
- piston rod
- tube part
- cylinder block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003566 sealing material Substances 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 44
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/057—Control or regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of servo actuators of air inlet guide vane in gas turbine, including cylinder component, the cylinder component has cylinder block, cylinder block has the front end cover connected by integral structure and cylinder tube part, the rear end of cylinder block is hatch frame, and oil cylinder rear cover is equipped at the hatch frame；One group of oil inlet is respectively equipped with equipped with front and back end on the cylinder block and oil outlet, oil inlet and unloading port are connected to the inside of cylinder tube part；Cylinder tube part is with the cavity for running through structure, and the main body of piston rod is located in the cylinder tube part of cylinder block, and the both ends of piston rod are pierced by the front end cover and oil cylinder rear cover of cylinder block respectively；It is equipped with guide sleeve in the connecting pin of the piston rod and front end cover, piston is arranged in the main body of the piston rod, offers seal groove on the contact surface of piston and cylinder tube internal partial wall, soft sealing material is equipped in seal groove.
Description
Technical field
The present invention relates to gas turbine fields, specifically, being related specifically to a kind of watching for air inlet guide vane in gas turbine
Take executing agency.
Background technique
Referring to Fig. 1 and Fig. 2, air inlet guide vane (IGV) system is used to adjust the air inlet flow in combustion engine starting process.Into
Conductance leaf (IGV) is mounted in the preceding inlet plenum of the 1st grade of movable vane piece of axial-flow compressor.Air inlet guide vane mechanism includes that air inlet is adjustable
Guide vane, pulls ring, pull rod and servo actuator at connecting rod.The axial movement of servo mechanism is converted to the rotary motion for pulling ring.
The angle of IGV pulls the rotation of ring to change by idler wheel mechanism with executing agency.During unit operation, displacement sensor detection
The angle of IGV, executing agency are automatically controlled by turbine control system.
The rank that the combustion engine System Market in China is still in cooperate with trans-corporation (Mitsubishi, GE etc.) at present
Section, the combustion engine oil motor that the country is put into operation are external import configuration.In view of excessively high purchase cost, for domestic market
It can yet be regarded as always a no small financial burden.
The servo actuator of the existing air inlet guide vane for import oil motor being done step-by-step production domesticization is as shown in figure 3, it is lacked
Be trapped in:
1) cylinder piston rod with compared with multiple component, there are matching relationships, such as guide sleeve, drive end bearing bracket, cylinder tube and rear end cap
Deng.This is very high to the requirement on machining accuracy of the concentricity and above-mentioned each components integrally assembled.
In addition, referring to fig. 4, the sealing means of existing cylinder block and piston are using piston ring packing, and defect exists
In:
2) sealing means of piston ring and cylinder block seal firmly, and sealing performance is insufficient.
3) since the sealing means of piston ring and cylinder block are hard sealing, it is enough wear-resisting that this requires the two that must have
Property, constantly become larger to prevent piston after long-time with inner wall of cylinder gap and causes to reveal excessive.
Therefore, cylinder block domestic demand surface carburization is handled, nitrided case depth 0.3mm or so after grinding.Surface carburization processing
Further improve the processing request of servo actuator.
Summary of the invention
It is an object of the invention to aiming at the shortcomings in the prior art, provide a kind of servo of air inlet guide vane in gas turbine
Executing agency, to solve problems of the prior art.
Technical problem solved by the invention can be realized using following technical scheme:
The servo actuator of air inlet guide vane in a kind of gas turbine, including cylinder component, the cylinder component have oil
Cylinder cylinder body, cylinder block have front end cover and cylinder tube part, and the front end cover and cylinder tube part pass through one
Formula structure connects and composes cylinder block；The rear end of cylinder block is hatch frame, and is equipped with oil cylinder at the hatch frame
Rear cover；It is equipped with front and back end on the cylinder block and is respectively equipped with one group of oil inlet and oil outlet, oil inlet and unloading port and oil
The inside of cylinder barrel part is connected to；
Cylinder tube part is with the cavity for running through structure, and the main body of piston rod is located at the cylinder tube part of cylinder block
Interior, the both ends of piston rod are pierced by the front end cover and oil cylinder rear cover of cylinder block respectively；In the piston rod and front end cover
The connecting pin divided is equipped with guide sleeve, is arranged with piston in the main body of the piston rod, in piston and cylinder tube internal partial wall
Seal groove is offered on contact surface, and soft sealing material is equipped in seal groove；
The cylinder tube internal partial wall has the chrome layer formed by surface treatment processing.
It further, further include integrated block assembly；
Oil circuit of the integrated block assembly for hydraulic oil controls comprising integrated package and is mounted on integrated package
Servo valve and filter are equipped with the control port being connected to oil inlet, integrated package on the binding face of integrated package and cylinder block
The control port and oil inlet that component is connected to cylinder component are connected as hydraulic system；
The reciprocating motion of piston rod is driven by the hydraulic oil of two groups of oil inlets and oil outlet and is realized in cylinder component, oil inlet
Access control is realized with the oily routing integrated block component of oil outlet.
It further, further include proof assembl；
The proof assembl is used for LVDT displacement sensor and anti-explosion terminal box, and LVDT displacement sensor is for detecting oil cylinder
The stroke of piston rod in component, the output end anti-explosion terminal box connection of LVDT displacement sensor.
Compared with prior art, the beneficial effects of the present invention are:
Front end cover and cylinder tube part of the invention uses integrated design, simplifies corresponding dimensional chain for assembly,
Effectively improve the coaxiality of inner hole precision of cylinder body Yu front end cover.
The sealing structure of piston of the invention and cylinder tube internal partial wall is optimized, and is sealed firmly by conventional piston ring
It is changed to soft seal.
Cylinder tube internal partial wall of the invention has the chrome layer formed by surface treatment processing, and thickness can be according to reality
The selection of border situation, can ensure the sealing effect of piston Yu cylinder tube internal partial wall for a long time.
Detailed description of the invention
Fig. 1 is one of the schematic diagram of existing air inlet guide vane (IGV) system.
Fig. 2 is the two of the schematic diagram of existing air inlet guide vane (IGV) system.
Fig. 3 is the sectional view of existing cylinder component.
Fig. 4 is the sealing schematic diagram of existing piston and cylinder tube.
Fig. 5 is the structural schematic diagram of cylinder component of the present invention.
Fig. 6 is the schematic diagram of the servo actuator of air inlet guide vane in gas turbine of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to the servo actuator of air inlet guide vane in a kind of Fig. 5 gas turbine of the present invention, including cylinder component
A,
The cylinder component A has cylinder block (1), and cylinder block (1) has front end cover (11) and oil cylinder canister portion
Point (12), the front end cover (11) and cylinder tube part (12) connect and compose cylinder block (1) by integral structure；Oil
The rear end of cylinder cylinder body (1) is hatch frame, and oil cylinder rear cover (2) are equipped at the hatch frame；In the cylinder block
(1) it is equipped with front and back end and is respectively equipped with one group of oil inlet (7) and oil outlet (8), oil inlet (7) and unloading port (8) and cylinder tube
The partially inside connection of (12)；
Cylinder tube part (12) is with the cavity for running through structure, and the main body of piston rod (3) is located at the oil of cylinder block (1)
In cylinder barrel part (12), the both ends of piston rod (3) are pierced by the front end cover (11) and oil cylinder rear cover of cylinder block (1) respectively
(2)；Guide sleeve (5) are equipped in the connecting pin of the piston rod (3) and front end cover (11), the master in the piston rod (3)
It is arranged with piston (4) on body, offers seal groove on the contact surface of piston (4) and cylinder tube part (12) inner wall, is sealing
Soft sealing material (6) are equipped in slot；
Cylinder tube part (12) inner wall has the chrome layer formed by surface treatment processing.
Referring to Fig. 6, the invention also includes integrated block assembly B and proof assembl C；
Oil circuit of the integrated block assembly B for hydraulic oil controls comprising integrated package (9) and is mounted on integrated package
(9) servo valve (10) and filter (13) on, are equipped with and oil inlet on the binding face of integrated package (9) and cylinder block (1)
(7) control port being connected to, integrated block assembly B are connected as hydraulic pressure system with the cylinder component A control port being connected to and oil inlet (7)
System；
The reciprocating motion of piston rod (3) is driven by the hydraulic oil of two groups of oil inlets (7) and oil outlet (8) in cylinder component A
It realizes, the oily routing integrated block component of oil inlet (7) and oil outlet (8) realizes access control.
The proof assembl C is used for LVDT displacement sensor (14) and anti-explosion terminal box (15), LVDT displacement sensor
(14) for detecting the stroke of piston rod (3) in cylinder component A, the output end anti-explosion terminal box of LVDT displacement sensor (14)
(15) it connects.
Integrated package (9), the servo valve being pointed out that in the integrated block assembly B and proof assembl C in the present invention
(10), filter (13), LVDT displacement sensor (14) and anti-explosion terminal box (15) be by choosing in the market, specific structure and
Control principle belongs to the prior art, and the present invention is not detailed again.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. the servo actuator of air inlet guide vane in a kind of gas turbine, including cylinder component A, it is characterised in that:
The cylinder component A has cylinder block (1), and cylinder block (1) has front end cover (11) and cylinder tube part
(12), the front end cover (11) and cylinder tube part (12) connect and compose cylinder block (1) by integral structure；Oil cylinder
The rear end of cylinder body (1) is hatch frame, and oil cylinder rear cover (2) are equipped at the hatch frame；In the cylinder block (1)
It is equipped with front and back end and is respectively equipped with one group of oil inlet (7) and oil outlet (8), oil inlet (7) and unloading port (8) and cylinder tube part
(12) inside connection；
Cylinder tube part (12) is with the cavity for running through structure, and the main body of piston rod (3) is located at the cylinder tube of cylinder block (1)
Partially in (12), the both ends of piston rod (3) are pierced by the front end cover (11) and oil cylinder rear cover (2) of cylinder block (1) respectively；?
The connecting pin of the piston rod (3) and front end cover (11) is equipped with guide sleeve (5), covers in the main body of the piston rod (3)
Equipped with piston (4), seal groove is offered on the contact surface of piston (4) and cylinder tube part (12) inner wall, is set in seal groove
There are soft sealing material (6)；
Cylinder tube part (12) inner wall has the chrome layer formed by surface treatment processing.
2. the servo actuator of air inlet guide vane in gas turbine according to claim 1, it is characterised in that: further include collection
Lump elements B；
Oil circuit of the integrated block assembly B for hydraulic oil controls comprising integrated package (9) and is mounted on integrated package (9)
Servo valve (10) and filter (13), on the binding face of integrated package (9) and cylinder block (1) be equipped with and oil inlet (7) even
Logical control port, integrated block assembly B are connected as hydraulic system with the cylinder component A control port being connected to and oil inlet (7)；
The reciprocating motion of piston rod (3) is driven by the hydraulic oil of two groups of oil inlets (7) and oil outlet (8) and is realized in cylinder component A,
The oily routing integrated block component of oil inlet (7) and oil outlet (8) realizes access control.
3. the servo actuator of air inlet guide vane in gas turbine according to claim 1, it is characterised in that: further include preventing
Quick-fried component C；
The proof assembl C is used for LVDT displacement sensor (14) and anti-explosion terminal box (15), and LVDT displacement sensor (14) is used
The stroke of piston rod (3) in detection cylinder component A, the output end anti-explosion terminal box (15) of LVDT displacement sensor (14) is even
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910102558.3A CN109595219A (en) | 2019-02-01 | 2019-02-01 | The servo actuator of air inlet guide vane in a kind of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910102558.3A CN109595219A (en) | 2019-02-01 | 2019-02-01 | The servo actuator of air inlet guide vane in a kind of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595219A true CN109595219A (en) | 2019-04-09 |
Family
ID=65967308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910102558.3A Pending CN109595219A (en) | 2019-02-01 | 2019-02-01 | The servo actuator of air inlet guide vane in a kind of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595219A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443531A (en) * | 2020-12-03 | 2021-03-05 | 九江大安自控工程有限公司 | Guide sleeve for piston rod of servo oil cylinder |
| CN112460074A (en) * | 2020-12-04 | 2021-03-09 | 杭州汽轮动力集团有限公司 | Gas compressor IGV adjusting device for reducing unbalance loading angle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336602A (en) * | 2002-05-20 | 2003-11-28 | Teijin Seiki Co Ltd | Controller for servo cylinder |
| CN201133390Y (en) * | 2007-12-19 | 2008-10-15 | 中国重型机械研究院 | Cylinder valve integrated servo-vibration hydraulic cylinder device |
| CN202031919U (en) * | 2011-04-28 | 2011-11-09 | 泸州市巨力液压有限公司 | Servo oil cylinder |
| CN102619811A (en) * | 2012-04-20 | 2012-08-01 | 大连华根机械有限公司 | Buffer device for heavy workpieces |
| CN103437833A (en) * | 2013-09-09 | 2013-12-11 | 中国航空动力机械研究所 | Air inlet guide vane adjusting device |
| CN104565506A (en) * | 2015-01-14 | 2015-04-29 | 重庆川仪自动化股份有限公司 | Explosion-proof hybrid electro-hydraulic integrated actuator for valve |
| CN205778695U (en) * | 2016-07-05 | 2016-12-07 | 苏州道森钻采设备股份有限公司 | There is the coiled tubing preventer of complex function |
| CN206816594U (en) * | 2017-06-20 | 2017-12-29 | 常州液压成套设备厂有限公司 | High voltagehigh frequency hydraulic jack |
| CN210141241U (en) * | 2019-02-01 | 2020-03-13 | 上海置道液压控制技术有限公司 | Servo actuating mechanism of air inlet guide vane in gas turbine |
-
2019
- 2019-02-01 CN CN201910102558.3A patent/CN109595219A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336602A (en) * | 2002-05-20 | 2003-11-28 | Teijin Seiki Co Ltd | Controller for servo cylinder |
| CN201133390Y (en) * | 2007-12-19 | 2008-10-15 | 中国重型机械研究院 | Cylinder valve integrated servo-vibration hydraulic cylinder device |
| CN202031919U (en) * | 2011-04-28 | 2011-11-09 | 泸州市巨力液压有限公司 | Servo oil cylinder |
| CN102619811A (en) * | 2012-04-20 | 2012-08-01 | 大连华根机械有限公司 | Buffer device for heavy workpieces |
| CN103437833A (en) * | 2013-09-09 | 2013-12-11 | 中国航空动力机械研究所 | Air inlet guide vane adjusting device |
| CN104565506A (en) * | 2015-01-14 | 2015-04-29 | 重庆川仪自动化股份有限公司 | Explosion-proof hybrid electro-hydraulic integrated actuator for valve |
| CN205778695U (en) * | 2016-07-05 | 2016-12-07 | 苏州道森钻采设备股份有限公司 | There is the coiled tubing preventer of complex function |
| CN206816594U (en) * | 2017-06-20 | 2017-12-29 | 常州液压成套设备厂有限公司 | High voltagehigh frequency hydraulic jack |
| CN210141241U (en) * | 2019-02-01 | 2020-03-13 | 上海置道液压控制技术有限公司 | Servo actuating mechanism of air inlet guide vane in gas turbine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443531A (en) * | 2020-12-03 | 2021-03-05 | 九江大安自控工程有限公司 | Guide sleeve for piston rod of servo oil cylinder |
| CN112460074A (en) * | 2020-12-04 | 2021-03-09 | 杭州汽轮动力集团有限公司 | Gas compressor IGV adjusting device for reducing unbalance loading angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104612958B (en) | Pump | |
| CN104364492B (en) | Exhaust turbine supercharger | |
| US20160003250A1 (en) | Axial seal for roots-style supercharger | |
| CN109595219A (en) | The servo actuator of air inlet guide vane in a kind of gas turbine | |
| US4662826A (en) | Vacuum pump system including serially connected rotary and reciprocating vacuum pumps | |
| CN109209819B (en) | Piston transmission mechanism and two-dimensional compressor | |
| HUT74582A (en) | Heterocyclic fused benzazepine derivatives and pharmaceutical compositions containing the same | |
| US9845804B2 (en) | Positive displacement pump assembly with movable end plate for rotor face clearance control | |
| CN201013589Y (en) | Conical double helical lobe compressor actuating devive | |
| CN104131885A (en) | Valve drive apparatus and supercharger having the same | |
| CN103591022B (en) | A kind of Slipper-type radial flexible compensation mechanism of rolling piston-like fluid machine | |
| CN107524654B (en) | A kind of vane type servo oscillating hydraulic cylinder and apply its mechanical equipment | |
| ITTO20080175U1 (en) | PALLET COMPRESSOR STOPPED | |
| US5439357A (en) | Magnetically guided positive-displacement machine | |
| CN207377893U (en) | A kind of hydrostatic support formula servo oscillating hydraulic cylinder and apply its mechanical equipment | |
| CN212744330U (en) | Eccentric shaft type translation rotor pump and engine | |
| CN106609753B (en) | Merge gerotor pump and motor | |
| CN210141241U (en) | Servo actuating mechanism of air inlet guide vane in gas turbine | |
| US8539936B2 (en) | Supercharger rotor shaft seal pressure equalization | |
| US3966370A (en) | Rotary piston machine for transporting liquid or gaseous media | |
| CN208236647U (en) | A kind of vacuum pump and its multistage vacuum pump | |
| CN210196008U (en) | Water lubrication screw compressor | |
| CN2811591Y (en) | Swashplate type compressor with plastic piston ring | |
| CN208534658U (en) | A kind of oil transfer pump of the automatically controlled injection diesel of single cylinder | |
| JP5101731B2 (en) | Low pressure pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |