CN109606647A - A kind of propeller control - Google Patents
A kind of propeller control Download PDFInfo
- Publication number
- CN109606647A CN109606647A CN201811518610.5A CN201811518610A CN109606647A CN 109606647 A CN109606647 A CN 109606647A CN 201811518610 A CN201811518610 A CN 201811518610A CN 109606647 A CN109606647 A CN 109606647A
- Authority
- CN
- China
- Prior art keywords
- oil
- away
- propeller
- restraint
- oil pipe
- 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.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims abstract description 205
- 239000010687 lubricating oil Substances 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
- B64C11/385—Blade pitch-changing mechanisms fluid, e.g. hydraulic comprising feathering, braking or stopping systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to properller designing techniques, are related to a kind of propeller control.The present invention includes connecting rod, oil pipe, oil pipe fuse, oil cylinder, Supporting cover and adapter；Described connecting rod one end is connect with oil cylinder, the other end and blade bias pin connection；The oil pipe is mounted on paddle shell, is fixed by Supporting cover；The oil pipe fuse is mounted on inside oil pipe；The adapter is mounted on oil pipe fuse, and adapter is used to the lubricating oil on engine being transferred to oil pipe fuse；Described oil pipe one end is passed through from oil cylinder center, and the oil cylinder is moved along lubricating oil tube axis direction；Oil pipe and oil cylinder form the big away from oil pocket and narrow spacing oil pocket of Propeller variable pitch.By the position of setting oil circuit the installation form of oil pipe and oil cylinder is arranged, it is possible to reduce propeller control number of parts lowers the weight of propeller in the present invention.
Description
Technical field
The invention belongs to properller designing techniques, are related to a kind of propeller control.
Background technique
In variable-pitch propeller, there is the instructions that a set of mechanism is used for receiving auger paddle control device, realize propeller
The real-time displacement of blade angle.In order to reduce the weight of propeller, on the basis of application positive displacement principle, simplifies propeller and become
Spacing mechanism combs propeller control logic again, for realizing Propeller variable pitch function, while realizing the big away from limit of propeller
It is dynamic, in away from restraint and narrow spacing restraint function.In the propeller using positive displacement principle design, counterweight is installed on blade
Arm, for provide propeller become larger away from power, it is therefore desirable to propeller control device provide become smaller away from power.Defect is propeller
Axis direction size is too long, causes propeller number of components excessive, while the previous propeller using positive pitch-changing mechanism principle needs
Oil pipe that can be mobile with piston is wanted, the function away from restraint in the mobile realization of oil pipe is passed through.
Summary of the invention
The object of the present invention is to provide a kind of propeller controls to drive Propeller variable pitch by the movement of oil cylinder；
Away from restraint oil circuit in setting on oil pipe, by the mobile closing of oil cylinder away from restraint oil circuit, the function away from restraint in realization.
The technical scheme is that a kind of propeller control, including connecting rod, oil pipe, oil pipe fuse, oil
Cylinder, Supporting cover and adapter；Described connecting rod one end is connect with oil cylinder, the other end and blade bias pin connection；The oil pipe peace
On paddle shell, fixed by Supporting cover；The oil pipe fuse is mounted on inside oil pipe；The adapter is mounted on lubricating oil
On tube core, adapter is used to the lubricating oil on engine being transferred to oil pipe fuse；Described oil pipe one end is from oil cylinder
The heart passes through, and the oil cylinder is moved along lubricating oil tube axis direction；Oil pipe and oil cylinder formed Propeller variable pitch it is big away from oil pocket and
Narrow spacing oil pocket.
In oil pipe fuse, co-exist in three oil circuits, be respectively greatly away from oil circuit, narrow spacing oil circuit and in away from restraint oil circuit,
Be greatly connected away from oil pocket away from restraint oil circuit and greatly away from oil circuit in wherein, but in away from the restraint oil circuit and big outlet position away from oil circuit
Set difference, in away from restraint oil circuit close to piston, and to be located in propeller when away from restraint Angle Position oil cylinder sliding for the position away from oil circuit greatly
Dynamic position.
In propeller away from restraint function by control greatly away from oil return realize, blade angle fade in away from restraint angle when,
Normal through the oil circuit greatly away from oil pocket fuel feeding, due to oil cylinder movement and be blocked, the oil return needs greatly away from oil pocket pass through at this time
In away from restraint oil circuit can continue back at narrow spacing oil pocket；Due in propeller control system, in need to control away from restraint oil circuit
Instruction can open, and therefore, be closed away from oil pocket greatly, can not continue displacement, thus away from the function of restraint in realizing.
Further, the propeller control further includes vent valve, and the vent valve is mounted in Supporting cover.
The beneficial effects of the present invention are: propeller control of the present invention, by the way that the position of oil circuit is arranged, setting is slided
The installation form of oil pipe and oil cylinder, it is possible to reduce propeller control number of parts lowers the weight of propeller.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Wherein, 1- vent valve, 2- Supporting cover, 3- screw, 4- cover board, 5- screw, 6- gasket, 7- paddle shell, 8- oil cylinder, 9-
Oil pipe, 10- oil pipe fuse, 11- adapter, 12- connecting rod, 13- pin；101- oil return hole, in 102- oil pipe fuse away from
Restraint oil circuit, 103- adapter is greatly away from oil circuit, 104- adapter narrow spacing oil circuit, and away from restraint oil circuit in 105- adapter, 106- is sliding
Oil pipe fuse narrow spacing oil circuit, 107- oil pipe narrow spacing oil circuit, away from restraint oil circuit in 108- oil pipe, 109- oil pipe fuse greatly away from
Oil circuit, 110- oil pipe is greatly away from oil circuit.
Specific embodiment
The following further describes the specific embodiments of the present invention with reference to the drawings.
Referring to Fig. 1, pitch-changing mechanism of the present invention include vent valve 1, Supporting cover 2, oil pipe 9, oil pipe fuse 10, cover board 4,
Oil cylinder 8, adapter 11, connecting rod 12, pin 13.Described 12 one end of connecting rod is connect with oil cylinder 8, and the other end and blade cam pin connect
It connects；The oil pipe is mounted on paddle shell 7, fixed by Supporting cover 2；The oil pipe fuse 10 is mounted on inside oil pipe 9；
The adapter 11 is mounted on oil pipe fuse 10, and adapter 11 is used to the lubricating oil on engine being transferred to lubricating oil tube core 10
On son；Described 9 one end of oil pipe is passed through from 8 center of oil cylinder, and the oil cylinder 8 is moved along 9 axis direction of oil pipe；Oil pipe 9
The big away from oil pocket A and narrow spacing oil pocket B of Propeller variable pitch is formed with oil cylinder 8.Pin 13 is mounted on connecting rod 12.
In oil pipe fuse 10, co-exist in three oil circuits, be respectively greatly away from oil circuit 109, narrow spacing oil circuit 106 and in away from limit
Dynamic oil circuit 102, wherein in be greatly connected away from oil pocket A away from restraint oil circuit 102 and greatly away from oil circuit 109, but in away from restraint oil circuit
102 is different with the outlet port greatly away from oil circuit 109, in away from restraint oil circuit 102 close to the middle part of oil pipe 9, and greatly away from oil circuit 109
Position is located in propeller the position that oil cylinder 8 slides when away from restraint Angle Position.
In the present invention, propeller the whole series pitch-changing mechanism is mounted on inside the paddle shell of propeller, it is fixed using oil pipe 9
The mode being mounted on paddle shell will drive the connecting rod of blade cam pin rotation to be mounted on oil cylinder 8, thus blade be driven to be become
Away from.
The set pitch-changing mechanism by being formed away from two oil pockets of oil pocket A and narrow spacing oil pocket B greatly, by adapter 11 greatly away from oil circuit 103,
Narrow spacing oil circuit 104 and in away from restraint oil circuit 105 realize propeller oil pocket and control set for adjusting connection, to realize propeller
Become larger away from, become smaller away from in away from the function of restraint.During propeller works, blade becomes larger under the action of counterweight away from logical
The displacement of propeller can be realized in the lubricating oil supply for crossing control narrow spacing oil pocket B.
Displacement process is as follows:
In order to adapt to engine power up-regulation or decline, the pitch needs of propeller are adjusted, and can be divided into pitch increasing
Big process and pitch reduce process.Propeller become larger away from become smaller away from principle are as follows: become larger away from, by counterweight generate become larger away from
Power and the pressure generated from the high pressure oil come away from oil circuit greatly push piston mobile, and then connecting rod and cam pin are swung, and realize spiral
Paddle become larger away from；Become smaller away from, by narrow spacing oil circuit come high pressure oil generate to push piston mobile, and then connecting rod and cam pin pendulum
It is dynamic, realize propeller become smaller away from.
Pitch increases process
The high pressure oil that propeller control system comes enters oil pipe fuse by big away from oil circuit 103 in adapter 11
Big in 10 enters propeller greatly away from oil pocket A away from oil circuit 110 away from big in oil circuit 109 and oil pipe 9；Propeller narrow spacing at this time
Lubricating oil in oil pocket B enters the narrow spacing oil circuit 106 in oil pipe fuse 10 by the narrow spacing oil circuit 107 on oil pipe 10, passes through
Narrow spacing oil circuit 104 on adapter 11 returns to engine oil tank by control system (diagram does not indicate).
Pitch reduces process
The high pressure oil that propeller control system comes enters oil pipe fuse by the narrow spacing oil circuit 104 in adapter 11
The narrow spacing oil circuit 107 in narrow spacing oil circuit 106 and oil pipe 9 in 10 enters propeller narrow spacing oil pocket B；At this time propeller greatly away from
Lubricating oil in oil pocket A is entered big away from oil circuit 109, warp in oil pipe fuse 10 by big away from oil circuit 110 in oil pipe 9
Big in adapter 11 returns to engine oil tank by control system away from oil circuit 103.
In away from restraint process
For guarantee flight safety, do not allow airscrewpiston be more than a certain limits value, this process be in away from restraint mistake
Journey.
When Propeller variable pitch, oil cylinder 8 is moved axially, and connecting rod 12 is driven to be moved, and it is real that connecting rod drives blade to carry out rotation
Existing displacement, when cover board 4 is moved to big on oil pipe 9 away from oil circuit 103, the lubricating oil away from oil pocket can not pass through 109 He of oil circuit greatly
103 oil returns, can only by carrying out oil return away from restraint oil circuit 108 on oil pipe 9, and on oil pipe fuse 10 in away from restraint
It is closed away from restraint oil circuit 105 by control system on oil circuit 102 and adapter, can not continue back paddle, away from restraint in realization
Purpose.
Claims (4)
1. a kind of propeller control, it is characterized in that: the propeller control includes connecting rod, oil pipe, lubricating oil tube core
Son, oil cylinder, Supporting cover and adapter；Described connecting rod one end is connect with oil cylinder, the other end and blade bias pin connection；The lubricating oil
Pipe is mounted on paddle shell, is fixed by Supporting cover；The oil pipe fuse is mounted on inside oil pipe；The adapter is mounted on
On oil pipe fuse, adapter is used to the lubricating oil on engine being transferred to oil pipe fuse；Described oil pipe one end is from oil
Cylinder center passes through, and the oil cylinder is moved along lubricating oil tube axis direction；Oil pipe and oil cylinder form the big away from oil of Propeller variable pitch
Chamber and narrow spacing oil pocket；
In oil pipe fuse, co-exist in three oil circuits, be respectively greatly away from oil circuit, narrow spacing oil circuit and in away from restraint oil circuit, wherein
In be greatly connected away from oil pocket away from oil circuit away from restraint oil circuit and greatly, but in the outlet port away from oil circuit is not away from restraint oil circuit and greatly
Together, away from restraint oil circuit close to piston in, and the position away from oil circuit is located in propeller what oil cylinder when away from restraint Angle Position slided greatly
Position；
In propeller away from restraint function by control greatly away from oil return realize, blade angle fade in away from restraint angle when, normally
By the oil circuit greatly away from oil pocket fuel feeding, due to oil cylinder movement and be blocked, at this time the oil return needs greatly away from oil pocket pass through in away from
Restraint oil circuit can continue back at narrow spacing oil pocket；Due in propeller control system, in away from restraint oil circuit need control instruction
It can open, therefore, be closed away from oil pocket greatly, displacement can not be continued, thus away from the function of restraint in realizing.
2. propeller control according to claim 1, it is characterized in that: the propeller control further includes deflating
Valve.
3. propeller control according to claim 2, it is characterized in that: the vent valve is mounted in Supporting cover.
4. propeller control according to claim 1, it is characterized in that: the propeller control further includes pin
Son, pin are mounted on connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518610.5A CN109606647B (en) | 2018-12-12 | 2018-12-12 | Propeller pitch-changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518610.5A CN109606647B (en) | 2018-12-12 | 2018-12-12 | Propeller pitch-changing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109606647A true CN109606647A (en) | 2019-04-12 |
| CN109606647B CN109606647B (en) | 2024-06-18 |
Family
ID=66007939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518610.5A Active CN109606647B (en) | 2018-12-12 | 2018-12-12 | Propeller pitch-changing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109606647B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268097A (en) * | 2019-12-08 | 2020-06-12 | 惠阳航空螺旋桨有限责任公司 | Single-oil-way forward pitch-variable mechanism propeller |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568551A (en) * | 1943-10-01 | 1945-04-10 | Spirito Mario Viale | Improvements in or relating to means for transferring liquid between a stationary part and a rotating part |
| US5281095A (en) * | 1990-12-20 | 1994-01-25 | Honda Giken Kogyo Kabushiki Kaisha | Variable-pitch mechanism for a propeller |
| US6077040A (en) * | 1998-05-01 | 2000-06-20 | United Technologies Corporation | Control system for blades for a variable pitch propeller |
| US20030180146A1 (en) * | 2002-03-19 | 2003-09-25 | Arel David V. | Actuation system for a controllable pitch propeller |
| CN102765473A (en) * | 2012-08-13 | 2012-11-07 | 中国南方航空工业(集团)有限公司 | Oil distribution device for propeller variable pitch |
| CN104494811A (en) * | 2014-12-14 | 2015-04-08 | 惠阳航空螺旋桨有限责任公司 | Servo pitch control device for screw propeller |
| CN104527968A (en) * | 2014-12-14 | 2015-04-22 | 惠阳航空螺旋桨有限责任公司 | Coaxial contra-rotation type screw propeller |
| CN104554708A (en) * | 2014-12-14 | 2015-04-29 | 惠阳航空螺旋桨有限责任公司 | Variable-pitch execution mechanism of electronic pitch varying device of screw propeller |
| US20170361919A1 (en) * | 2016-06-17 | 2017-12-21 | Pratt & Whitney Canada Corp. | Propeller blade angle control system |
| US20180072402A1 (en) * | 2016-09-12 | 2018-03-15 | Pratt & Whitney Canada Corp. | Propellor blade angle control system |
-
2018
- 2018-12-12 CN CN201811518610.5A patent/CN109606647B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568551A (en) * | 1943-10-01 | 1945-04-10 | Spirito Mario Viale | Improvements in or relating to means for transferring liquid between a stationary part and a rotating part |
| US5281095A (en) * | 1990-12-20 | 1994-01-25 | Honda Giken Kogyo Kabushiki Kaisha | Variable-pitch mechanism for a propeller |
| US6077040A (en) * | 1998-05-01 | 2000-06-20 | United Technologies Corporation | Control system for blades for a variable pitch propeller |
| US20030180146A1 (en) * | 2002-03-19 | 2003-09-25 | Arel David V. | Actuation system for a controllable pitch propeller |
| CN102765473A (en) * | 2012-08-13 | 2012-11-07 | 中国南方航空工业(集团)有限公司 | Oil distribution device for propeller variable pitch |
| CN104494811A (en) * | 2014-12-14 | 2015-04-08 | 惠阳航空螺旋桨有限责任公司 | Servo pitch control device for screw propeller |
| CN104527968A (en) * | 2014-12-14 | 2015-04-22 | 惠阳航空螺旋桨有限责任公司 | Coaxial contra-rotation type screw propeller |
| CN104554708A (en) * | 2014-12-14 | 2015-04-29 | 惠阳航空螺旋桨有限责任公司 | Variable-pitch execution mechanism of electronic pitch varying device of screw propeller |
| US20170361919A1 (en) * | 2016-06-17 | 2017-12-21 | Pratt & Whitney Canada Corp. | Propeller blade angle control system |
| US20180072402A1 (en) * | 2016-09-12 | 2018-03-15 | Pratt & Whitney Canada Corp. | Propellor blade angle control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268097A (en) * | 2019-12-08 | 2020-06-12 | 惠阳航空螺旋桨有限责任公司 | Single-oil-way forward pitch-variable mechanism propeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109606647B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106976550B (en) | A kind of aircraft gas rudder and airvane linkage mechanism | |
| CN109606647A (en) | A kind of propeller control | |
| US4165849A (en) | Combination air brake and engine shield for aircraft | |
| US20230365264A1 (en) | Thermal management system for an aircraft including an electric propulsion engine | |
| CN105836082A (en) | Motion posture control device for underwater glider | |
| CN100523472C (en) | Axial symmetric vector spray-pipe A9 action emergency resetting hydraulic system | |
| CN107849922B (en) | It include the aircraft that two blades to blower its middle and lower reaches blower turned have spacing in fuselage afterbody | |
| CN105752170A (en) | Fuel cap integrated aperture type fuel door structure | |
| CN107592902A (en) | For the butterfly valve discharged to the compressor of aircraft turbine engines | |
| US2445235A (en) | Aircraft with blast or like tube and closure therefor | |
| US3053477A (en) | Aircraft, especially vertical take-off aircraft | |
| US3007675A (en) | Adjusting device for water turbine guide apparatus | |
| CN106080953A (en) | A kind of latticed wing vortex generator that vestibule stream can be suppressed to swash noise | |
| US2406916A (en) | Wings and other aerodynamic bodies | |
| US2841956A (en) | Combination variable area converging-diverging nozzle and thrust destroyer | |
| US3125960A (en) | chilman | |
| Irwin et al. | Investigations into the aerodynamic properties of a battle damaged wing | |
| US3153454A (en) | Pitch changing mechanism | |
| US3703266A (en) | Control unit for the lift engines of vertical and short takeoff aircraft | |
| US3293856A (en) | Aircraft gas turbine engine control system | |
| CN107380452B (en) | Deformation embedded type bullet cabin flow control device | |
| CN109579637B (en) | Missile attitude control mechanism without control surface | |
| US2077070A (en) | Airplane | |
| CN108071619A (en) | Variable pitch hydraulic system and wind power generating set | |
| US1923612A (en) | Torpedo for launching from alpha flying machine |
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 | ||
| GR01 | Patent grant |