CN207450245U - Fluting culvert type plume rotor craft - Google Patents
Fluting culvert type plume rotor craft Download PDFInfo
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- CN207450245U CN207450245U CN201721375637.4U CN201721375637U CN207450245U CN 207450245 U CN207450245 U CN 207450245U CN 201721375637 U CN201721375637 U CN 201721375637U CN 207450245 U CN207450245 U CN 207450245U
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- Prior art keywords
- fluting
- duct
- plume
- rotor
- yaw
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Abstract
The utility model is related to a kind of fluting culvert type plume rotor crafts, include fluting duct, plume rotor, support beam, yaw rudder face, telescopic magic hand and undercarriage, wherein, plume rotor is main lift structure, fluting duct is auxiliary lifting structure, this combining form not only can largely improve the lift of aircraft, but also will not generate reaction torque.Culvert type plume rotor craft of slotting is very flexible, can perform related aerial mission, such as transport small article or execution monitoring investigation tasks separately as a module.
Description
Technical field
The utility model belongs to technical field of aerospace, relates generally to a kind of fluting culvert type plume rotor craft.
Background technology
General fan rotor aircraft can be rotated by the high speed of aerofoil profile leading edge cross flow fan, make to generate inside cross flow fan
Larger low pressure whirlpool, so as to generate larger pressure difference in aerofoil profile leading edge upper and lower surface so that fan wing flight can be produced in low speed
It is raw to generate thrust compared with lift, and to trailing edge discharge air-flow.And plume rotor is different from common fan rotor aircraft, uses
It is rotation fan wing layout, and cross flow fan is driven using power set.Since the fan wing can provide very in low speed
Big lift and the thrust advanced, therefore, under the driving without extra power, entire plume rotor can be realized as rotation.
Plume rotor and the difference of common rotor maximum are that its rotor is rotation, some relevant measures need not be taken to put down
Weigh reaction torque, reduces many transmission devices so that structure is simpler, and weight is mitigated.Thriving type is fanned hardly to lose
Speed, so without the limitation of stalling angle, pneumatic efficiency higher.In addition, although plume rotor can carry out rotation, it with from
Switch rotor machine makes a big difference again.Autogyro needs external thrust device as the power to advance, it is necessary to have certain
Forward flight speed could realize the rotation of rotor, can not also realize hovering.And external device (ED) is not required in plume rotor craft
Thrust is provided, and can realize hovering.
In identical established angle, the induced velocity that the rotor with duct generates is bigger than the induced velocity of isolated rotor,
Reduce so as to cause the actual angle of attack of blade in duct so that rotor thrust reduces, but duct can also generate a part of volume
Outer additional lift so that the total life of total is bigger than the lift of isolated rotor.So conjunction of duct body structure design
Reason or not also it is directly related to the quality of duct rotor overall performance.
Utility model content
Technical problem to be solved in the utility model is to be directed to the defects of involved in background technology, provides one kind and opens
Slot culvert type plume rotor craft.
The utility model uses following technical scheme to solve above-mentioned technical problem：
Fluting culvert type plume rotor craft includes fluting duct, plume rotor, support beam and yaw module；
The fluting duct is equipped with to inhibit the generation in blade tip whirlpool on its duct inner wall, reduces the recessed of tip loss
Slot；
The support beam includes connection ring and at least two supporting rods, wherein, the connection ring and the fluting duct
Coaxial arrangement；The supporting rod is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, separately
The inner wall of one end and the fluting duct is fixedly linked；
The yaw module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes yaw shaft, yaw rudder face and yaw control motor, wherein, described yaw shaft one end and institute
It states connection ring to be fixedly linked, the inner wall of the other end and the fluting duct is fixedly linked；The yaw rudder face is arranged on yaw and turns
On axis, it can be freely rotated around the yaw shaft；The yaw control motor is arranged in the yaw shaft, described for adjusting
Yaw angle of the rudder face in the yaw shaft；
The plume rotor includes propeller hub and at least three pieces fan wing blade；
The lower end of the shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, blade tip
It stretches into the notch of fluting duct, leading edge is equipped with cross flow fan, and trailing edge is equipped with displacement rudder face, and blade root is equipped with to drive
Move the motor of the cross flow fan；
The cross flow fan is used to inside when high speed rotates generating low pressure whirlpool, it is larger to be generated in blade leading edge upper and lower surface
Pressure difference and generate thrust to trailing edge discharge air-flow so that its corresponding fan wing blade is real under the driving without extra power
Existing rotation.
As the utility model fluting further prioritization scheme of culvert type plume rotor craft, also comprising flexible machinery
Hand, the telescopic magic hand are arranged on the lower end of the connection ring, for being captured and being loaded.
It slots the further prioritization scheme of culvert type plume rotor craft as the utility model, also comprising undercarriage,
The undercarriage is arranged on the lower end of the connection ring.
As the utility model fluting further prioritization scheme of culvert type plume rotor craft, the number of the supporting rod
It measures as three.
As the utility model slot the further prioritization scheme of culvert type plume rotor craft, the yawing unit
Quantity is three.
The utility model compared with prior art, has following technique effect：
1. compared with common rotor, the thriving type of the fan hardly stall of plume rotor, so the limit without stalling angle
System, pneumatic efficiency higher.And plume rotor is rotation, will not generate reaction torque, is not required to add water conservancy diversion in duct body again
Piece balances reaction torque, can so that structure is simpler, also largely alleviates weight.So in equal-wattage
In the case of, the lift of bigger can be obtained using plume rotor.
2. on the premise of blade flapping motion is considered, the mode in duct inner wall fluting is taken.With common no fluting
Duct is compared, on the one hand the duct of inner wall fluting can effectively inhibit the production in the blade tip whirlpool with energy loss and loss of lift
It is raw, rotor efficiency is improved, on the other hand can also increase the radius of blade, so as to provide the lift of bigger.
Description of the drawings
Fig. 1 is the integral layout figure of the utility model fluting culvert type plume rotor craft；
Fig. 2 is the structure diagram of the utility model fluting culvert type plume rotor craft；
Fig. 3 is the structure diagram of plume rotor in the utility model；
Fig. 4 is the cross-sectional view of the single fan wing blade of plume rotor in the utility model；
Fig. 5 is the structure diagram of power set in the utility model；
Fig. 6 is the diagrammatic cross-section of fluting duct in the utility model.
In figure, 1- fluting ducts, 2- plume rotors, 3- support beams, 4- yaw rudder faces, 5- telescopic magic hands, 6- rises and falls
Frame, 7- propeller hubs, 8- fan wing blades, 9- displacement rudder faces, 10- cross flow fans, 11- fan the stationary plane of cross flow fan on wing blade, 12-
Motor.
Specific embodiment
The utility model is further described and illustrated below in conjunction with attached drawing.
As illustrated in fig. 1 and 2, the utility model discloses a kind of fluting culvert type plume rotor craft, contain comprising fluting
Road, plume rotor, support beam, yaw module, telescopic magic hand and undercarriage；
As shown in fig. 6, the fluting duct is equipped with to inhibit the generation in blade tip whirlpool on its duct inner wall, reduces wing tip
The groove of loss；
The support beam includes connection ring and at least two supporting rods, wherein, the connection ring and the fluting duct
Coaxial arrangement；The supporting rod is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, separately
The inner wall of one end and the fluting duct is fixedly linked；
The yaw module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes yaw shaft, yaw rudder face and yaw control motor, wherein, described yaw shaft one end and institute
It states connection ring to be fixedly linked, the inner wall of the other end and the fluting duct is fixedly linked；The yaw rudder face is arranged on yaw and turns
On axis, it can be freely rotated around the yaw shaft；The yaw control motor is arranged in the yaw shaft, described for adjusting
Yaw angle of the rudder face in the yaw shaft；
The plume rotor includes propeller hub and at least three pieces fan wing blade；
The lower end of the shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, blade tip
It stretches into the notch of fluting duct, leading edge is equipped with cross flow fan, and trailing edge is equipped with displacement rudder face, and blade root is equipped with to drive
Move the motor of the cross flow fan；
The cross flow fan is used to inside when high speed rotates generating low pressure whirlpool, it is larger to be generated in blade leading edge upper and lower surface
Pressure difference and generate thrust to trailing edge discharge air-flow so that its corresponding fan wing blade is real under the driving without extra power
Existing rotation；
The telescopic magic hand is arranged on the lower end of the connection ring, for being captured and being loaded.
The undercarriage is arranged on the lower end of the connection ring.
The quantity of the supporting rod is three, and the quantity of the yawing unit is three.
It describes in detail below：
1. lift system
（1）The composition of lift system
As shown in figure 3, the lift system of fluting culvert type plume rotor craft is mainly made of two parts：First
It is divided into the in vivo plume rotor of duct, is made of three pieces fan wing blade, for providing most of lift；Second portion is external
Fluting duct, for providing the auxiliary lifting of sub-fraction.
（2）Plume rotor
As shown in Fig. 3, Fig. 4 and Fig. 5, the fan wing blade that plume rotor is rotated by three pieces is formed, using motor to the blade wing
The cross flow fan of type leading edge is turned, it is made to carry out high speed rotation, and then makes to generate larger low pressure whirlpool inside cross flow fan,
Larger pressure difference is generated in aerofoil profile leading edge upper and lower surface so that fan wing blade can be generated in low speed rotation compared with lift, and
Thrust is generated to trailing edge discharge air-flow.Therefore, under the driving without extra power, entire plume rotor can be realized as certainly
Turn.Plume rotor and the difference of common rotor maximum are that its rotor is rotation, need not take some relevant measures
Reaction torque is balanced, reduces many transmission devices so that structure is simpler, and weight is mitigated.It will be further appreciated that
The hardly stall of thriving type is fanned, so without the limitation of stalling angle, pneumatic efficiency higher.
If it should be noted that being vertical bar flabellum used in cross flow fan, it is possible to not discharge after flow rotation,
Vibration can be caused.If using slanted bar flabellum, will not enter simultaneously in fan body after flow rotation, it is possible to avoid the resistance of air-flow
Plug, so as to reduce vibration.
（3）Duct body structure
The fluting duct of fluting culvert type plume rotor craft clips the tail end of aerofoil profile, and opens in paddle disk plane recessed
Slot makes the blade tip of plume rotor be partially in duct body, can effectively reduce tip loss, improves lift.
2. supporting mechanism
Support construction inside fluting culvert type plume rotor craft is three supporting rods, and is installed under support beam
Folding undercarriage.In its same level, three pieces yaw rudder face is in addition also equipped with.Support construction is consolidated with duct body structure
Fixed connection.
3. power set
The blade root position of every fan wing blade of fluting culvert type plume rotor craft is equipped with a motor, direct band
Dynamic cross flow fan is rotated.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the identical meaning of the general understanding with the those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with the meaning of idealization or overly formal come
It explains.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (5)
1. slot culvert type plume rotor craft, which is characterized in that comprising fluting duct, plume rotor, support beam and partially
Model plane block；
The fluting duct is equipped with the generation for inhibiting blade tip whirlpool, the groove for reducing tip loss on its duct inner wall；
The support beam includes connection ring and at least two supporting rods, wherein, the connection ring and the fluting duct are coaxial
It sets；The supporting rod is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, the other end
It is fixedly linked with the inner wall of the fluting duct；
The yaw module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes yaw shaft, yaw rudder face and yaw control motor, wherein, described yaw shaft one end and the company
It connects ring to be fixedly linked, the inner wall of the other end and the fluting duct is fixedly linked；The yaw rudder face is arranged in yaw shaft,
It can be freely rotated around the yaw shaft；The yaw control motor is arranged in the yaw shaft, for adjusting the yaw
Angle of the rudder face in the yaw shaft；
The plume rotor includes propeller hub and at least three pieces fan wing blade；
The lower end of the shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, and blade tip stretches into
It slots in the notch of duct, leading edge is equipped with cross flow fan, and trailing edge is equipped with displacement rudder face, and blade root is equipped with for driving
State the motor of cross flow fan；
The cross flow fan is used to generate low pressure whirlpool inside when high speed rotates, larger pressure is generated in blade leading edge upper and lower surface
Difference simultaneously generates thrust to trailing edge discharge air-flow so that its corresponding fan wing blade is realized certainly under the driving without extra power
Turn.
2. fluting culvert type plume rotor craft according to claim 1, which is characterized in that also comprising flexible machinery
Hand, the telescopic magic hand are arranged on the lower end of the connection ring, for being captured and being loaded.
3. fluting culvert type plume rotor craft according to claim 1, which is characterized in that also comprising undercarriage, institute
State the lower end that undercarriage is arranged on the connection ring.
4. fluting culvert type plume rotor craft according to claim 1, which is characterized in that the quantity of the supporting rod
For three.
5. fluting culvert type plume rotor craft according to claim 1, which is characterized in that the number of the yawing unit
It measures as three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375637.4U CN207450245U (en) | 2017-10-24 | 2017-10-24 | Fluting culvert type plume rotor craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375637.4U CN207450245U (en) | 2017-10-24 | 2017-10-24 | Fluting culvert type plume rotor craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207450245U true CN207450245U (en) | 2018-06-05 |
Family
ID=62281196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721375637.4U Expired - Fee Related CN207450245U (en) | 2017-10-24 | 2017-10-24 | Fluting culvert type plume rotor craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207450245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672802A (en) * | 2017-10-24 | 2018-02-09 | 南京航空航天大学 | Fluting culvert type plume rotor craft |
-
2017
- 2017-10-24 CN CN201721375637.4U patent/CN207450245U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672802A (en) * | 2017-10-24 | 2018-02-09 | 南京航空航天大学 | Fluting culvert type plume rotor craft |
| CN107672802B (en) * | 2017-10-24 | 2023-10-27 | 南京航空航天大学 | Slotted duct type rotor wing aircraft with rolling flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20211024 |