CN110182355A - One kind being used for flight safety Emergency power source system feather centrifugal governor device - Google Patents
One kind being used for flight safety Emergency power source system feather centrifugal governor device Download PDFInfo
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- CN110182355A CN110182355A CN201910354595.3A CN201910354595A CN110182355A CN 110182355 A CN110182355 A CN 110182355A CN 201910354595 A CN201910354595 A CN 201910354595A CN 110182355 A CN110182355 A CN 110182355A
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- Prior art keywords
- spring
- installation
- damper
- centrifugal
- blade
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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
- B64C11/303—Blade pitch-changing mechanisms characterised by comprising a governor
-
- 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
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention provides a kind of feather centrifugal governor device for flight safety Emergency power source system, is made of wheel hub, preceding spring base, damper, spring, rear spring seat, governor weight component, blade and yoke plate axis；Preceding spring base is fixed on the front end of wheel hub, blade and blade handle portion passes through wheel hub and is fixedly connected with governor weight component, governor weight component is withstood on rear spring seat, rear spring seat is mounted on yoke plate axis, vane propeller-changing away from when, can be moved along yoke plate axis axis horizontal, before damper and spring are mounted between spring base and rear spring seat, when initial installation, spring has certain pre-compression force；The configuration of the present invention is simple, maintenance are easy, speed regulation accuracy is high, expansible to be applied to all Emergency power source system products, with good application prospect and economy.
Description
Technical field
The present invention relates to one kind to be used for flight safety Emergency power source system feather centrifugal governor device, belongs to flight safety
Emergency power source system ram-air turbine design field.
Background technique
Flight safety Emergency power source system is using the Emergency power source of ram-air turbine (RAT) as power draw component
Device is applied to most airline carriers of passengers and part military aircraft.When aircraft operates normally, system is closed to be in cabin and be awaited orders
State, under the case of emergency that aircraft loses active force and auxiliary power in the sky, RAT is deployed into air-flow, absorbs air punching
Energy is pressed, key user provides Emergency power source for aircraft.For proof load the operation is stable, RAT turbine interior is equipped with speed regulation device,
By vane propeller-changing, RAT working speed is stablized in a certain range.
In traditional RAT speed regulation device, hydraulic fly weight formula speed adjusting gear structure composition is complicated, weight is big, reliability is not high, no
The risks such as oil contamination, leakage are easy to produce conducive to the use of maintenance, and Hydraulic Elements；Spring centrifugal speed mechanism only leans on zero
As damping, design parameter is uncontrollable for the friction of inter-module, Instability osillation problem easily occurs in operating condition mutation.
In order to solve this technical problem, propose a kind of based on governor weight component, compressed spring and damper displacement
Pitch-variable speed regulation device.
Summary of the invention
The purpose of the present invention: one kind is provided for flight safety Emergency power source system feather centrifugal governor device, is passed through
Governor weight component, the kinetic balance design of compressed spring and blade and the damping characteristic of damper of RAT components interior,
Realize speed stability of the ram-air turbine under different operating conditions, and compared to conventional hydraulic fly weight formula and the centrifugal tune of spring
Fast mechanism has higher reliability and stability.
Technical solution of the present invention: it is centrifuged and adjusts the present invention relates to a kind of feather for flight safety Emergency power source system
Speed variator, the device is by wheel hub (1), preceding spring base (2), damper (3), spring (4), rear spring seat (5), governor weight component
(6), blade (7), yoke plate axis (8) etc. form；
Its positional relationship from each other are as follows: preceding spring base (2) is fixed on the front end of wheel hub (1), blade (7) by clip
Petiole partially passes through wheel hub (1) and is fixedly connected with governor weight component (6), and governor weight component (6) withstands on rear spring seat (5)
On, rear spring seat (5) is mounted on yoke plate axis (8), vane propeller-changing away from when, can be mobile along yoke plate axis (8) axis horizontal, damping
Device (3) and spring (4) are mounted between preceding spring base (2) and rear spring seat (5), and initially when installation, spring (4) has certain
Pre-compression force；
The wheel hub (1) is hollow cylindrical structure, and front end is connected with wheel hub cover, and rear end and input shaft are connected by screw
It connects；The installation there are two circular hole, for blade (7) petiole is opened on wheel hub (1) body to fix；External circumferential ring is furnished with dynamic balance adjustment
Threaded hole, for installing dynamic balance adjustment block；
The preceding spring base (2) is rotary structure, is equipped with position guidance with spring (4), damper (3) installation side and ties
Structure is equipped with through-hole, passes through to install the screw of damper (3) so as to spring (4) installation；
The damper (3) be displacement type damper, main structure body be cylinder, two sides be equipped with helicitic texture with front and back
Spring base connection；Instability osillation occurs for increasing product damping, to prevent speed regulation device when operating condition mutation in it；
The spring (4) is cylindrically coiled spring, can be Single spring, is also possible to double-spring parallel, interior if being arranged in parallel
Outer spring rotation direction should be opposite；The spring (4) during installation, should have certain pre-compression force；
The rear spring seat (5) is rotary structure, is equipped with position guidance with spring (4), damper (3) installation side and ties
Structure is equipped with through-hole so as to spring (4) installation so as to damper (3) installation, its middle part is provided with cylindrical hole, even with yoke plate axis (8)
It connects；
The governor weight component (6) is made of centrifugation block (61), centrifugal-block (62), needle bearing (63)；Needle roller axis
It holds (63) to withstand on rear spring seat (5), centrifugal-block (62) is eccentrically mounted in centrifugation block (61), to provide centrifugal moment；
Circular hole is provided in the middle part of the centrifugation block (61), blade (7) petiole passes through the hole and is fixedly connected, and side is equipped with
Screw hole and pin hole are installed for centrifugal-block；Its side is additionally provided with crank, and the aperture of crank top has internal screw thread, is used for same needle roller
The installation of bearing；
The centrifugal-block (62) is arc-shaped structure, is above provided with the circular hole of attachment screw and straight pin installation；Its material selection
Tungsten alloy；
The needle bearing (63) includes two parts: bearing portions and support section, bearing portions are needle-type, it is being installed
After be pressed on rear spring seat (5), support section is one section of threaded cylindrical bar in outside, is connected to centrifugation by screw connection manner
On block (61) crank；Standard component can be selected in the needle bearing (63)；
The blade (7) includes blade and petiole part, and blade-section is exposed at wheel hub (1) outside, for extracting flowed energy,
Petiole part is located at wheel hub (1) inside, and main body is cylinder, and tail end is equipped with external screw thread to carry out installation fixation；
The yoke plate axis (8) is axial workpiece, and main body is rotary structure, has rectangle yoke plate close to middle section.
Beneficial effects of the present invention: the present invention devises a kind of for flight safety Emergency power source system ram-air turbine
The feather centrifugal governor device of component, compared to conventional speed regulation device, apparatus structure of the present invention is simple, maintenance is held
Easily, speed regulation accuracy is high, and has stronger robustness for the catastrophe of operating condition, can prevent Instability osillation.That is, this
Invention utilizes the deflection band movable vane of mechanical governor weight component compared to conventional flight safety Emergency power source system speed regulation device
Piece propeller pitch angle changes, and is determined by the balance between the centrifugal force of mechanical governor weight component and the compressing force of compressed spring
Position, it is reliable and stable, it avoids conventional hydraulic formula speed regulation device and is also easy to produce the risks such as oil contamination, leakage；In addition, passing through displacement resistance
The installation of Buddhist nun's device makes system have stronger speed regulation robustness for the catastrophe of operating condition, can prevent Instability osillation.The present invention
The flight safety Emergency power source system feather centrifugal governor apparatus structure is simple, maintenance is easy, speed regulation accuracy is high, can expand
Exhibition is applied to all Emergency power source system products, with good application prospect and economy.
Detailed description of the invention:
Fig. 1 is feather centrifugal governor apparatus structure schematic diagram schematic diagram of the present invention.
Fig. 2 is governor weight modular construction schematic diagram schematic diagram of the present invention.
Serial number, symbol, code name are described as follows in figure:
1 --- --- --- --- spring, 5 --- rear spring seat, 6 --- centrifugation of damper, 4 of preceding spring base, 3 of wheel hub, 2
Balance weight assembly, 7 --- blade, 8 --- yoke plate axis
61 --- centrifugation block, 62 --- centrifugal-block, 63 --- needle bearings
Specific embodiment
Below with an application example, in conjunction with Figure of description, the present invention is described in detail.Please refer to Figure of description 1
~2.
The present invention relates to a kind of feather centrifugal governor devices for flight safety Emergency power source system, as shown in Figure 1,
It is by wheel hub (1), preceding spring base (2), damper (3), spring (4), rear spring seat (5), governor weight component (6), blade
(7), yoke plate axis (8) forms, and sees Figure of description 1, the positional relationship between them is:
Its preceding spring base (2) is fixed on the front end of wheel hub (1) by clip, and rear spring seat (5) is mounted on yoke plate axis (8)
On, it, can be mobile along yoke plate axis (8) axis horizontal under the promotion of governor weight component (6) in vane propeller-changing.
Its blade (7) petiole partially passes through wheel hub (1) and is fixedly connected with governor weight component (6), governor weight component (6)
It withstands on rear spring seat (5), the pre-compression force of spring (4) is applied on rear spring seat (5), and then is provided around blade (7) petiole
The spring torque of axis, initially when installation, governor weight component (6) deviates with an angle relative to blade axis of rotation, with
Centrifugal moment around blade (7) petiole shaft is provided.
The wheel hub (1) is hollow cylindrical structure, and front end is connected with wheel hub cover, and rear end and input shaft are connected by screw
It connects；The installation there are two circular hole, for blade (7) petiole is opened on wheel hub (1) body to fix；External circumferential ring is furnished with dynamic balance adjustment
Threaded hole, for installing dynamic balance adjustment block；
The preceding spring base (2) is rotary structure, is equipped with position guidance with spring (4), damper (3) installation side and ties
Structure is equipped with through-hole, passes through to install the screw of damper (3) so as to spring (4) installation；
The damper (3) be displacement type damper, main structure body be cylinder, two sides be equipped with helicitic texture with front and back
Spring base connection；It is installed between preceding spring base (2) and rear spring seat (5), for providing in the speed regulation device course of work
To prevent ram-air turbine when operating condition mutation Instability osillation occurs for damping.At vane propeller-changing initial stage, damping is larger, at variable pitch end
End, damping are reduced to zero.
The compressed spring (4) be two-stage parallel connection structure, be cylindroid helical-coil compression spring, be installed on preceding spring base (2) and
Between rear spring seat (5), Internal and external cycle is oppositely oriented, initially when installation, a pre-compression force is arranged, when ram-air turbine is in work
When feathering occurring in work, spring (4) compressing force increases, and the spring torque around blade (7) petiole shaft also accordingly changes.
The rear spring seat (5) is rotary structure, is equipped with position guidance with spring (4), damper (3) installation side and ties
Structure is equipped with through-hole so as to spring (4) installation so as to damper (3) installation, its middle part is provided with cylindrical hole, even with yoke plate axis (8)
It connects；
The governor weight component (6) is shown in that Fig. 2 receipts are shown, is by centrifugation block (61), centrifugal-block (62), needle bearing (63) group
At.Needle bearing (63) is withstood on rear spring seat (5).Centrifugal-block (62) be eccentrically mounted at centrifugation block (61) on, with provide from
Mental and physical efforts square, in this example, centrifugal-block (62) material selection tungsten alloy.
Claims (3)
1. a kind of feather centrifugal governor device for flight safety Emergency power source system, it is characterised in that: the device is by taking turns
Hub (1), preceding spring base (2), damper (3), spring (4), rear spring seat (5), governor weight component (6), blade (7) and yoke plate
Axis (8) composition；
Its positional relationship from each other are as follows: preceding spring base (2) is fixed on the front end of wheel hub (1), blade (7) petiole by clip
Wheel hub (1) is partially passed through to be fixedly connected with governor weight component (6), governor weight component (6) is withstood on rear spring seat (5), after
Spring base (5) is mounted on yoke plate axis (8), vane propeller-changing away from when, can be mobile along yoke plate axis (8) axis horizontal, damper (3)
And spring (4) is mounted between preceding spring base (2) and rear spring seat (5), initially when installation, spring (4) is scheduled pre- with one
Compressing force；
The wheel hub (1) is hollow cylindrical structure, and front end is connected with wheel hub cover, and rear end is connected by screw to input shaft；Wheel
The installation there are two circular hole, for blade (7) petiole is opened on hub (1) body to fix；External circumferential ring is furnished with dynamic balance adjustment screw thread
Hole, for installing dynamic balance adjustment block；
The preceding spring base (2) is rotary structure, is being equipped with position guide structure with spring (4), damper (3) installation side,
So as to spring (4) installation, it is equipped with through-hole, is passed through to install the screw of damper (3)；
The damper (3) be displacement type damper, main structure body be cylinder, two sides be equipped with helicitic texture with front and back spring
Seat connection；Instability osillation occurs for increasing product damping, to prevent speed regulation device when operating condition mutation in it；
The spring (4) is cylindrically coiled spring, is Single spring, also can be double-spring parallel, if being arranged in parallel, interior outer spring rotation direction
It should be opposite；The spring (4) during installation, should have a scheduled pre-compression force；
The rear spring seat (5) is rotary structure, is being equipped with position guide structure with spring (4), damper (3) installation side,
So as to spring (4) installation, through-hole is equipped with so as to damper (3) installation, its middle part is provided with cylindrical hole, connect with yoke plate axis (8)；
The governor weight component (6) is made of centrifugation block (61), centrifugal-block (62) and needle bearing (63)；Needle bearing
(63) it withstands on rear spring seat (5), centrifugal-block (62) is eccentrically mounted in centrifugation block (61), to provide centrifugal moment；
Circular hole is provided in the middle part of the centrifugation block (61), blade (7) petiole passes through the hole and is fixedly connected, and side is equipped with screw
Hole and pin hole are installed for centrifugal-block；Its side is additionally provided with crank, and the aperture of crank top has internal screw thread, is used for same needle bearing
Installation；
The centrifugal-block (62) is arc-shaped structure, is above provided with the circular hole of attachment screw and straight pin installation；
The needle bearing (63) includes two parts: bearing portions and support section, bearing portions are needle-type, it is tight after mounting
It is pressed on rear spring seat (5), support section is one section of threaded cylindrical bar in outside, is connected to centrifugation block by screw connection manner
(61) on crank；
The blade (7) includes blade and petiole part, and blade-section is exposed at wheel hub (1) outside, for extracting flowed energy, petiole
Part is located at wheel hub (1) inside, and main body is cylinder, and tail end is equipped with external screw thread to carry out installation fixation；
The yoke plate axis (8) is axial workpiece, and main body is rotary structure, has rectangle yoke plate close to middle section.
2. a kind of feather centrifugal governor device for flight safety Emergency power source system according to claim 1,
It is characterized in that: the material selection tungsten alloy of the centrifugal-block (62).
3. a kind of feather centrifugal governor device for flight safety Emergency power source system according to claim 1,
It is characterized in that: needle bearing (63) the selection standard part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354595.3A CN110182355A (en) | 2019-04-29 | 2019-04-29 | One kind being used for flight safety Emergency power source system feather centrifugal governor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354595.3A CN110182355A (en) | 2019-04-29 | 2019-04-29 | One kind being used for flight safety Emergency power source system feather centrifugal governor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182355A true CN110182355A (en) | 2019-08-30 |
Family
ID=67715270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910354595.3A Pending CN110182355A (en) | 2019-04-29 | 2019-04-29 | One kind being used for flight safety Emergency power source system feather centrifugal governor device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110182355A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107769A (en) * | 2021-05-08 | 2021-07-13 | 郑州亨特利电子科技有限公司 | New energy wind power generation device |
| CN113844663A (en) * | 2021-11-02 | 2021-12-28 | 中国商用飞机有限责任公司 | Ram air turbine |
| CN114278389A (en) * | 2021-12-30 | 2022-04-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Ram air turbine blade pitch angle rapid adjusting device and method |
| CN113844663B (en) * | 2021-11-02 | 2024-06-04 | 中国商用飞机有限责任公司 | Ram air turbine |
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| GB767907A (en) * | 1954-04-01 | 1957-02-06 | Gen Motors Corp | Improved variable pitch air-driven bladed rotor unit |
| US4701104A (en) * | 1986-06-18 | 1987-10-20 | Sundstrand Corporation | Ram air turbine |
| CN201265487Y (en) * | 2008-05-29 | 2009-07-01 | 青岛安华新能源开发有限公司 | Flying bar synchronous variable-pitch mechanism |
| CN101520023A (en) * | 2009-03-26 | 2009-09-02 | 徐剑雄 | Variable propeller pitch wind wheel of wind powered generator |
| CN201339544Y (en) * | 2008-12-25 | 2009-11-04 | 浙江华鹰风电设备有限公司 | Passive pitch-controlled wind-powered generator with shifting device |
| CN102691619A (en) * | 2012-06-13 | 2012-09-26 | 上海应用技术学院 | Automatic variable-pitch speed regulating device based on air speed |
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| US20120328436A1 (en) * | 2011-06-24 | 2012-12-27 | Soidel William E | Electromechanical actuator driven governor for ram air turbine |
| CN107013263A (en) * | 2017-04-21 | 2017-08-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of ram-air turbine feathering starts speed adjusting gear |
| CN108775262A (en) * | 2018-05-30 | 2018-11-09 | 北京石油化工学院 | A kind of ram-air turbine blade pitch device |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB767907A (en) * | 1954-04-01 | 1957-02-06 | Gen Motors Corp | Improved variable pitch air-driven bladed rotor unit |
| US4701104A (en) * | 1986-06-18 | 1987-10-20 | Sundstrand Corporation | Ram air turbine |
| CN201265487Y (en) * | 2008-05-29 | 2009-07-01 | 青岛安华新能源开发有限公司 | Flying bar synchronous variable-pitch mechanism |
| CN201339544Y (en) * | 2008-12-25 | 2009-11-04 | 浙江华鹰风电设备有限公司 | Passive pitch-controlled wind-powered generator with shifting device |
| CN101520023A (en) * | 2009-03-26 | 2009-09-02 | 徐剑雄 | Variable propeller pitch wind wheel of wind powered generator |
| US20120328436A1 (en) * | 2011-06-24 | 2012-12-27 | Soidel William E | Electromechanical actuator driven governor for ram air turbine |
| CN202560462U (en) * | 2012-03-31 | 2012-11-28 | 赵福盛 | Wind turbine whole-course wind-pressure variable propeller pitch apparatus |
| CN102691619A (en) * | 2012-06-13 | 2012-09-26 | 上海应用技术学院 | Automatic variable-pitch speed regulating device based on air speed |
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| CN108775262A (en) * | 2018-05-30 | 2018-11-09 | 北京石油化工学院 | A kind of ram-air turbine blade pitch device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107769A (en) * | 2021-05-08 | 2021-07-13 | 郑州亨特利电子科技有限公司 | New energy wind power generation device |
| CN113844663A (en) * | 2021-11-02 | 2021-12-28 | 中国商用飞机有限责任公司 | Ram air turbine |
| CN113844663B (en) * | 2021-11-02 | 2024-06-04 | 中国商用飞机有限责任公司 | Ram air turbine |
| CN114278389A (en) * | 2021-12-30 | 2022-04-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Ram air turbine blade pitch angle rapid adjusting device and method |
| CN114278389B (en) * | 2021-12-30 | 2023-12-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Device and method for quickly adjusting pitch angle of ram air turbine blade |
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Application publication date: 20190830 |