CN109653873A - A kind of aero-engine onboard generators multifunctional ports design method - Google Patents
A kind of aero-engine onboard generators multifunctional ports design method Download PDFInfo
- Publication number
- CN109653873A CN109653873A CN201811349419.2A CN201811349419A CN109653873A CN 109653873 A CN109653873 A CN 109653873A CN 201811349419 A CN201811349419 A CN 201811349419A CN 109653873 A CN109653873 A CN 109653873A
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- Prior art keywords
- interface
- engine
- aero
- onboard generators
- splined shaft
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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
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
-
- 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
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/74—Application in combination with a gas turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
Abstract
The invention discloses a kind of aero-engine onboard generators multifunctional ports design methods, devise a kind of motor transmission shaft for being suitable for many types of aero-engine, and a kind of generator interface of applicable many types of aero-engine.By both designs, combines, realize the purpose of the applicable multiple aero-engines of a type onboard generators.Whole design idea is concise, structure overall compact, reduces switching part as far as possible, and the present invention is applied widely, can apply in many types of aero-engine.
Description
Technical field
The invention patent belongs to aero-engine onboard generators mounting technology field.More particularly to a kind of aero-engine
Onboard generators multifunctional ports design method.
Background technique
The airborne type of attachment of aero-engine is broadly divided into generator and hydraulic pump etc..Aero-engine drives airborne attached
Part rotation provides electric energy and mechanical energy after airborne attachment work for the systems such as the avionics of aircraft, hydraulic.Due to each aeroplane engine
The purposes of machine is different, and the demand of aircraft is also different.This is resulted in, and it is airborne attached that a type aero-engine can only choose to install a type
Part does not have versatility between attachment, forms that attachment is more and many and diverse phenomenon.
In face of the above problem, the imagination of the airborne attachment of aero-engine " a tractor serves several purposes " is proposed.First from mechanical interface
On be transformed, on the one hand use disposable both ends external splines shaft design, there are onboard generators on mechanical connection
Extensive adaptability.On the other hand, the interface of motor is installed when being designed as replaceable installation, is carried according to aero-engine terminal
The different of the size of generator interface carry out adaptability design, may be mounted to airborne motor in different aero-engines.
Summary of the invention
Goal of the invention
The present invention provides a kind of aero-engine onboard generators multifunctional ports design methods can with this method
Realize the purpose of aero-engine onboard generators a tractor serves several purposes.
Inventive technique solution
In order to achieve the above-mentioned object of the invention, the present invention uses following technical solutions:
A kind of aero-engine onboard generators multifunctional ports design method, design process are as follows: first design can will not
The replaceable splined shaft that same aero-engine is connected with onboard generators, then onboard generators can be mounted on not by design
Replaceable motor switching interface in same aero-engine；Replaceable splined shaft and motor switching interface passes through combination shape
At a kind of aero-engine onboard generators multifunctional ports.
Preferably, the design process of splined shaft includes the following steps: step 1: determining the splined shaft ginseng of aeroplane engine generator terminal
Number；Step 2: being required according to the working characteristics of onboard generators and operation torque designs and determines onboard generators transmission internal spline ginseng
Number；Step 3: determining the external splines parameter of splined shaft；Step 4, the assembly relation of external splines in designing: in onboard generators interface
Spline shaft and the combination of splined shaft aeroplane engine generator terminal, motor drive internal spline and the combination of splined shaft generator end；Step 5:
Different splined shafts is designed according to different engines.
Preferably, the design process of the design procedure 3 of splined shaft is as follows: according to onboard generators interface internal spline transmission shaft
Design parameter, design splined shaft aeroplane engine generator terminal parameter；According to the design parameter of motor drive internal spline, spline is designed
The parameter at shaft generator end；Splined shaft aeroplane engine generator terminal and splined shaft generator end form splined shaft.
Preferably, the design procedure of motor switching interface is as follows: step 1: determining the interface parameters of aeroplane engine generator terminal；Step
Rapid 2: being required to determine the interface parameters of onboard generators according to the own wt of onboard generators and working characteristics；Step 3: determining
Motor switching interface parameter；Step 4, the assembly relation of switching interface: onboard generators interface and motor switching interface boat is designed
Empty engine end combination, motor interface and the combination of motor switching interface generator end；Step 5: not according to the design of different engines
Same motor switching interface.
Preferably, the design process of motor switching interface design procedure 3 is as follows: according to the specific ginseng of onboard generators interface
The parameter of number design motor switching interface aeroplane engine generator terminal；Motor switching interface hair is designed according to the design parameter of motor interface
The parameter of motor side；Motor switching interface aeroplane engine generator terminal and motor switching interface generator end form switching interface.
Preferably, the installation process for loading generator is as follows: first the motor switching interface generator end of switching interface and
The motor interface of onboard generators fits, and switching interface is securedly mounted in onboard generators by screw, secondly will cooperation
In the motor drive internal spline of the splined shaft generator end insertion onboard generators of the splined shaft of aero-engine, cooperation aviation hair
In the onboard generators interface internal spline transmission shaft of the splined shaft aeroplane engine generator terminal insertion aero-engine of the splined shaft of motivation；
Finally, the motor switching interface aeroplane engine generator terminal of switching interface and the onboard generators interface of aero-engine fit, turn
Connection interface is securedly mounted in aero-engine by clip.
Advantages of the present invention
The present invention has the advantages that whole design idea is concise, realized by the design of motor shaft and switching interface
The purpose of a tractor serves several purposes.Structure overall compact reduces switching part as far as possible, and the present invention is applied widely, can apply to
In many types of aero-engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aero-engine end interface.
Fig. 2 is the structural schematic diagram of splined shaft.
Fig. 3 is the structural schematic diagram of switching interface.
Fig. 4 is the structural schematic diagram of onboard generators.
Fig. 5 is the structural schematic diagram after aero-engine and onboard generators installation.
Specific embodiment
In conjunction with summary of the invention general introduction and attached drawing, the specific embodiment that the present invention will be described in detail.
A kind of aero-engine onboard generators multifunctional ports design method, includes the following steps:
One, multipurpose splined shaft is designed:
1.1 determine the splined shaft parameter of aeroplane engine generator terminal: the onboard generators internal spline transmission of every aero-engine
Axis is different from, and determines wherein a corresponding onboard generators interface internal spline transmission shaft 2 of aero-engine 1 and its parameter.
1.2 determine that onboard generators are driven internal spline parameter: according to the requirement of 3 working characteristics of onboard generators and operation torque
Design, determines 4 parameter of motor drive internal spline.
1.3 determine the external splines parameter of splined shaft:
1.3.1 according to the design parameter of onboard generators interface internal spline transmission shaft 2, splined shaft aeroplane engine generator terminal is designed
5 parameter.
1.3.2 according to the design parameter of motor drive internal spline 4, the parameter of splined shaft generator end 6 is designed.
1.3.3 splined shaft 7 is formed by splined shaft aeroplane engine generator terminal 5 and splined shaft generator end 6.
1.4 design the assembly relation of interior external splines: onboard generators interface internal spline transmission shaft 2 and splined shaft aeroplane engine
Generator terminal 5 combines, and motor drive internal spline 4 and splined shaft generator end 6 combine, and by this matching relationship, just completes and is sent out by aviation
The power of motivation 1 to onboard generators 3 transmits.
The replaceabilities of 1.5 splined shafts designs: splined shaft 7 is the splined shaft for cooperating aero-engine 1, under actual conditions,
Different engines has different onboard generators interface internal spline transmission shafts 2, so needing to design different splined shaft boats
Empty engine end 5.Onboard generators 3 do not change, and this requires splined shaft generator ends 6 not to change.It is set according to different engines
Count different splined shafts 7.
Two, multipurpose generator interface is designed:
2.1 determine the interface parameters of aeroplane engine generator terminal: the onboard generators interface of every aero-engine is different from,
Aero-engine 1 corresponds to onboard generators interface 8.
2.2 determine the interface of onboard generators: according to the own wt of onboard generators 3 and working characteristics requirement, determining
9 parameter of motor interface.
2.3 determine motor switching interface parameter:
2.3.1 the ginseng of motor switching interface aeroplane engine generator terminal 11 is designed according to the design parameter of onboard generators interface 8
Number.
2.3.2 according to the design parameter of motor interface 9, the parameter of motor switching interface generator end 10 is designed.
2.3.3 motor switching interface aeroplane engine generator terminal 11 and motor switching interface generator end 10 form switching interface
12。
The assembly relation of 2.4 design switching interfaces: onboard generators interface 8 and motor switching interface aeroplane engine generator terminal 11
Combination, motor interface 9 and motor switching interface generator end 10 combine, and by this matching relationship, just complete by aero-engine
The installation of onboard generators.
The replaceability of 2.5 motor switching interfaces designs: switching interface 12 is the switching interface for cooperating aero-engine 1,
Under actual conditions, different engines has different onboard generators interfaces 8, connects so needing to design different motors
Mouth aeroplane engine generator terminal 11.Onboard generators 3 do not change, and this requires motor switching interface generator ends 10 not to change.According to
Different engines design different motor switching interfaces.
Three, the mounting design of generator is loaded:
The motor switching interface generator end 10 of switching interface 12 and the motor interface 9 of onboard generators 3 first fits,
Switching interface 12 is securedly mounted in onboard generators 3 by screw, secondly will cooperate the spline of the splined shaft 7 of aero-engine
Shaft generator end 6 is inserted into the motor drive internal spline 4 of onboard generators 3, and the splined shaft of the splined shaft 7 of aero-engine is cooperated
Aeroplane engine generator terminal 5 is inserted into the onboard generators interface internal spline transmission shaft 2 of aero-engine 1.Finally, switching interface 12
Motor switching interface aeroplane engine generator terminal 11 and the onboard generators interface 8 of aero-engine 1 fit, and switching interface 12 passes through
Clip 13 is securedly mounted in aero-engine 1.
Embodiment:
One, multipurpose splined shaft is designed:
1.1 determine the splined shaft parameter of aeroplane engine generator terminal: the onboard generators internal spline transmission of every aero-engine
Axis is different from, and determines wherein a corresponding onboard generators interface internal spline transmission shaft 2 of aero-engine 1 and its parameter.
2 parameter of onboard generators interface internal spline transmission shaft is outside circle:Root circle:Reference circle is straight
Diameter:The number of teeth: 24,30 ° of pressure angle.
1.2 determine that onboard generators are driven internal spline parameter: according to the requirement of 3 working characteristics of onboard generators and operation torque
Design, determines 4 parameter of motor drive internal spline.4 parameter of motor drive internal spline is outside circle:Root circle:Reference diameter:The number of teeth: 24,30 ° of pressure angle
1.3 determine the external splines parameter of splined shaft:
1.3.1 according to the design parameter of onboard generators interface internal spline transmission shaft 2, splined shaft aeroplane engine generator terminal is designed
5 parameter.The parameter of aeroplane engine generator terminal 5 is outside circle:Root circle:Reference diameter:The number of teeth: 24,30 ° of pressure angle.
1.3.2 according to the design parameter of motor drive internal spline 4, the parameter of splined shaft generator end 6 is designed.Splined shaft hair
6 parameter of motor side is outside circle:Root circle:Reference diameter:The number of teeth: 24, pressure
30 ° of power angle
1.3.3 splined shaft 7 is formed by splined shaft aeroplane engine generator terminal 5 and splined shaft generator end 6.
1.4 design the assembly relation of interior external splines: onboard generators interface internal spline transmission shaft 2 and splined shaft aeroplane engine
Generator terminal 5 combines, and motor drive internal spline 4 and splined shaft generator end 6 combine, and by this matching relationship, just completes and is sent out by aviation
The power of motivation to onboard generators transmits.
The replaceabilities of 1.5 splined shafts designs: splined shaft 7 is the splined shaft for cooperating aero-engine 1, under actual conditions,
Different engines has different onboard generators interface internal spline transmission shafts 2, so needing to design different splined shaft boats
Empty engine end 5.Onboard generators do not change, and this requires splined shaft generator ends 6 not to change.It is designed according to different engines
Different splined shafts.
Two, multipurpose generator interface is designed:
2.1 determine the interface parameters of aeroplane engine generator terminal: the onboard generators interface of every aero-engine is different from,
Determine the parameter of the corresponding onboard generators interface 8 of aero-engine 1.The outer diameter of onboard generators 8 are as follows:It is interior
Diameter is
2.2 determine the interface of onboard generators: according to the own wt of onboard generators 3 and working characteristics requirement, determining
9 parameter of motor interface.The outer diameter of motor interface 9 are as follows:
2.3 determine motor switching interface parameter:
2.3.1 according to the design parameter of onboard generators interface 8, the ginseng of motor switching interface aeroplane engine generator terminal 11 is designed
Number.The outer diameter of motor switching interface aeroplane engine generator terminal 11 are as follows:Internal diameter is
2.3.2 according to the design parameter of motor interface 9, the parameter of motor switching interface generator end 10 is designed.Motor turns
The outer diameter of connection interface generator end 10 are as follows:
2.3.3 it is made of and connects motor switching interface aeroplane engine generator terminal 11 and motor switching interface generator end 10
Mouth 12.
The assembly relation of 2.4 design switching interfaces: onboard generators interface 8 and motor switching interface aeroplane engine generator terminal 11
Combination, motor interface 9 and motor switching interface generator end 10 combine, and by this matching relationship, just complete by aero-engine
The installation of onboard generators.
The replaceability of 2.5 motor switching interfaces designs: switching interface 12 is the switching interface for cooperating aero-engine 1,
Under actual conditions, different engines has different onboard generators interfaces 8, connects so needing to design different motors
Mouth aeroplane engine generator terminal 11.Onboard generators do not change, and this requires motor switching interface generator ends 10 not to change.According to not
Different motor switching interfaces is designed with engine.
Three, the mounting design of generator is loaded:
The motor switching interface generator end 10 of switching interface 12 and the motor interface 9 of onboard generators 3 first fits,
Switching interface 12 is securedly mounted in onboard generators 3 by screw, secondly will cooperate the spline of the splined shaft 7 of aero-engine
Shaft generator end 6 is inserted into the motor drive internal spline 4 of onboard generators 3, and the splined shaft of the splined shaft 7 of aero-engine is cooperated
Aeroplane engine generator terminal 5 is inserted into the onboard generators interface internal spline transmission shaft 2 of aero-engine 1.Finally, switching interface 12
Motor switching interface aeroplane engine generator terminal 11 and the onboard generators interface 8 of aero-engine 1 fit, and switching interface 12 passes through
Clip 13 is securedly mounted in aero-engine 1.
Claims (6)
1. a kind of aero-engine onboard generators multifunctional ports design method, which is characterized in that design process is as follows: first setting
The replaceable splined shaft that different aero-engines can be connected with onboard generators is counted, then design can be by onboard generators
The replaceable motor switching interface being mounted in different aero-engines；Replaceable splined shaft and motor switching interface is logical
It crosses combination and forms a kind of aero-engine onboard generators multifunctional ports.
2. a kind of aero-engine onboard generators multifunctional ports design method as described in claim 1, which is characterized in that
The design process of splined shaft includes the following steps:
Step 1: determining the splined shaft parameter of aeroplane engine generator terminal；
Step 2: being required according to the working characteristics of onboard generators and operation torque designs and determines that onboard generators are driven internal spline
Parameter；
Step 3: determining the external splines parameter of splined shaft；
Step 4, the assembly relation of external splines in designing: onboard generators interface internal spline transmission shaft and splined shaft aero-engine
End combination, motor drive internal spline and the combination of splined shaft generator end；
Step 5: different splined shafts is designed according to different engines.
3. a kind of aero-engine onboard generators multifunctional ports design method as claimed in claim 2, which is characterized in that
The design process of the design procedure 3 of splined shaft is as follows: according to the design parameter of onboard generators interface internal spline transmission shaft, design
The parameter of splined shaft aeroplane engine generator terminal；According to the design parameter of motor drive internal spline, the ginseng of splined shaft generator end is designed
Number；Splined shaft aeroplane engine generator terminal and splined shaft generator end form splined shaft.
4. a kind of aero-engine onboard generators multifunctional ports design method as claimed in claim 3, which is characterized in that
The design procedure of motor switching interface is as follows:
Step 1: determining the interface parameters of aeroplane engine generator terminal；
Step 2: being required to determine the interface parameters of onboard generators according to the own wt of onboard generators and working characteristics；
Step 3: determining motor switching interface parameter；
Step 4, the assembly relation of switching interface: onboard generators interface and motor switching interface aeroplane engine generator terminal group is designed
It closes, motor interface and the combination of motor switching interface generator end；
Step 5: different motor switching interfaces is designed according to different engines.
5. a kind of aero-engine onboard generators multifunctional ports design method as claimed in claim 4, which is characterized in that
The design process of motor switching interface design procedure 3 is as follows: designing motor switching according to the design parameter of onboard generators interface
The parameter of interface aeroplane engine generator terminal；The parameter of motor switching interface generator end is designed according to the design parameter of motor interface；
Motor switching interface aeroplane engine generator terminal and motor switching interface generator end form switching interface.
6. a kind of aero-engine onboard generators multifunctional ports design method as claimed in claim 5, which is characterized in that
The installation process for loading generator is as follows: the motor switching interface generator end of switching interface and the motor of onboard generators first
Interface fits, and switching interface is securedly mounted in onboard generators by screw, secondly will cooperate the spline of aero-engine
In the motor drive internal spline of the splined shaft generator end insertion onboard generators of axis, cooperate the flower of the splined shaft of aero-engine
Key axis aeroplane engine generator terminal is inserted into the onboard generators interface internal spline transmission shaft of aero-engine.Finally, switching interface
The onboard generators interface of motor switching interface aeroplane engine generator terminal and aero-engine fits, and switching interface is tight by clip
Guan County is in aero-engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349419.2A CN109653873A (en) | 2018-11-13 | 2018-11-13 | A kind of aero-engine onboard generators multifunctional ports design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349419.2A CN109653873A (en) | 2018-11-13 | 2018-11-13 | A kind of aero-engine onboard generators multifunctional ports design method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653873A true CN109653873A (en) | 2019-04-19 |
Family
ID=66110926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811349419.2A Pending CN109653873A (en) | 2018-11-13 | 2018-11-13 | A kind of aero-engine onboard generators multifunctional ports design method |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248026A (en) * | 1994-03-11 | 1995-09-26 | Nissan Diesel Motor Co Ltd | Propeller shaft |
| CN1401887A (en) * | 2001-08-27 | 2003-03-12 | 三菱重工业株式会社 | Insulation structure type rotor coupler |
| CN101847907A (en) * | 2010-06-04 | 2010-09-29 | 英利能源（中国）有限公司 | Solar automobile and photovoltaic electromagnetic engaging and disengaging gear |
| CN202158162U (en) * | 2011-06-14 | 2012-03-07 | 中国航空动力机械研究所 | Gear transmission structure of aeroengine accessory |
| CN203730715U (en) * | 2014-01-03 | 2014-07-23 | 中国航空工业集团公司沈阳发动机设计研究所 | Transmission structure adopting multifunctional gear transmission shaft |
| CN204805365U (en) * | 2015-05-07 | 2015-11-25 | 贵州航空发动机研究所 | Driven switching device of aviation power annex |
| CN108194623A (en) * | 2018-02-26 | 2018-06-22 | 中国船舶重工集团公司第七0三研究所 | A kind of band surveys the high speed shafting for turning round function |
-
2018
- 2018-11-13 CN CN201811349419.2A patent/CN109653873A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248026A (en) * | 1994-03-11 | 1995-09-26 | Nissan Diesel Motor Co Ltd | Propeller shaft |
| CN1401887A (en) * | 2001-08-27 | 2003-03-12 | 三菱重工业株式会社 | Insulation structure type rotor coupler |
| CN101847907A (en) * | 2010-06-04 | 2010-09-29 | 英利能源（中国）有限公司 | Solar automobile and photovoltaic electromagnetic engaging and disengaging gear |
| CN202158162U (en) * | 2011-06-14 | 2012-03-07 | 中国航空动力机械研究所 | Gear transmission structure of aeroengine accessory |
| CN203730715U (en) * | 2014-01-03 | 2014-07-23 | 中国航空工业集团公司沈阳发动机设计研究所 | Transmission structure adopting multifunctional gear transmission shaft |
| CN204805365U (en) * | 2015-05-07 | 2015-11-25 | 贵州航空发动机研究所 | Driven switching device of aviation power annex |
| CN108194623A (en) * | 2018-02-26 | 2018-06-22 | 中国船舶重工集团公司第七0三研究所 | A kind of band surveys the high speed shafting for turning round function |
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