CN107284652A - Integrated culvert type propeller - Google Patents
Integrated culvert type propeller Download PDFInfo
- Publication number
- CN107284652A CN107284652A CN201710476996.7A CN201710476996A CN107284652A CN 107284652 A CN107284652 A CN 107284652A CN 201710476996 A CN201710476996 A CN 201710476996A CN 107284652 A CN107284652 A CN 107284652A
- Authority
- CN
- China
- Prior art keywords
- propeller
- blade
- propeller hub
- duct
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 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
- B64C11/001—Shrouded propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/13—Propulsion using external fans or propellers
- B64U50/14—Propulsion using external fans or propellers ducted or shrouded
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This application discloses a kind of integrated culvert type propeller.The integrated culvert type propeller, including duct, propeller and radome fairing, the propeller include a propeller hub and at least two blades, and the radome fairing is fixed on the propeller hub, and the blade two ends are connected to the propeller hub and duct.The blade and duct of the integrated culvert type propeller of the present invention are directly connected to, and further reduce impact noise, reduce induced drag, and deformable blade is smaller, with higher aerodynamic effect, improve the operating efficiency of propeller.
Description
Technical field
The application is related to unmanned plane field, more particularly to a kind of integrated culvert type propeller.
Background technology
The existing power set for aircraft, a kind of propulsion plant of single propeller is driven using single motor,
Thrust is produced by using the blade of propeller carry out a kind of powerpropelled apparatus structure.It common are chemical materials material
Matter, metal material etc..
The characteristics of existing duct：Shrouded propeller refers to the propeller system surrounded by duct.Compared to isolated spiral
Oar, due to being limited at the blade tip of culvert type propeller by duct, impact noise reduces.Induced drag is reduced, and efficiency is higher.
Under same power consumption, the isolated propeller of the more same diameter of ducted fan can produce bigger thrust.Simultaneously because duct
Ring includes effect, and its compact conformation, aerodynamic noise are low, safety in utilization is good, therefore as a kind of thrust or lift unit, by
It is widely used in the military affairs such as steamer, special device, submarine and civil area.Shrouded propeller work when, air-flow successively from
Duct entrance flows out duct, and produce reaction by propeller, and after oar Pan Chu accelerates supercharging with the state of high speed and high pressure
Thrust.The thrust size of shrouded propeller is related to flow velocity inside and outside the air mass flow and duct by oar disk.
But existing shrouded propeller is relative to general propeller, simply reduce impact noise to a certain extent, by
There is gap between blade and duct, can equally produce noise and induced drag, be deformed the distal end of blade, influence is contained
The aerodynamic effect and operating efficiency in road.So needing to propose to improve.
The content of the invention
It is an object of the invention to provide a kind of integrated culvert type propeller, to overcome deficiency of the prior art.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of integrated culvert type propeller, including duct, propeller and radome fairing, described
Propeller includes a propeller hub and at least two blades, and the radome fairing is fixed on the propeller hub, and the blade two ends are connected to
The propeller hub and duct.
It is preferred that, in above-mentioned integrated culvert type propeller, the propeller hub is cylindrical structure, described propeller hub one end
Center is provided with motor installing hole, and the propeller hub is provided with screwed hole away from one end center of the motor installing hole.
It is preferred that, in above-mentioned integrated culvert type propeller, the radome fairing is close to one end center of the propeller hub
Stud is protruded out, the stud is correspondingly arranged with the screwed hole.
It is preferred that, in above-mentioned integrated culvert type propeller, the equidistant array of blade is arranged at the propeller hub
Periphery, the blade sets with the axis of the propeller hub in identical angle respectively.
It is preferred that, in above-mentioned integrated culvert type propeller, the duct, blade and propeller hub are made of one piece.
It is preferred that, in above-mentioned integrated culvert type propeller, the blade and propeller hub are made of one piece, the leaf
Piece is screwed in the duct away from one end of the propeller hub.
Compared with prior art, the advantage of the invention is that：
It is of the invention to be had the following advantages compared with existing single propeller：The ring of duct includes effect in the present invention, and its structure is tight
Gather, aerodynamic noise is low, safety in utilization good, and blade receives the limitation of duct so that impact noise reduces, and induced drag subtracts
It is few, and efficiency is higher.Under same power consumption, the utility model can produce bigger thrust.Due to the buffer action of duct,
Avoid at a high speed rotate propeller and exterior object directly contact, reduce side object proximity blade edge caused by the person or
The damage of person's blade.
It is of the invention to be had the following advantages compared with existing culvert type propeller：The duct of the present invention is connected by blade with propeller hub
Integrally, gap is not present between blade and duct, impact noise is further reduced.Due to the effect of induced drag, blade
It can be deformed, duct has supporting role to blade, under same rotating speed, blade of the invention has smaller deformation, meeting
Produce bigger thrust.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the structural representation of integrated culvert type propeller in the specific embodiment of the invention 1.
Fig. 2 show the sectional view of integrated culvert type propeller in the specific embodiment of the invention 1.
Fig. 3 show the sectional view of integrated culvert type propeller in the specific embodiment of the invention 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment 1
Join Fig. 1 and Fig. 2 shown in, the integrated culvert type propeller in the present embodiment, including duct 110, propeller 120 and
Radome fairing 130, propeller 120 includes a propeller hub 121 and three blades 122, and radome fairing 130 is fixed on propeller hub 121, three blades 122
Two ends are connected to propeller hub 121 and duct 110.
In the technical scheme, duct of the invention is linked into an integrated entity by blade with propeller hub, is not deposited between blade and duct
In gap, impact noise is set further to reduce.Due to the effect of induced drag, blade can be deformed, and duct has branch to blade
Support is acted on, and under same rotating speed, blade of the invention has smaller deformation, can produce bigger thrust.
Further, propeller hub 121 is cylindrical structure, and one end center of propeller hub 121 is provided with motor installing hole, and propeller hub 121 is carried on the back
One end center from motor installing hole is provided with screwed hole.
In the technical scheme, propeller hub 121 is cylindrical structure, and one end center of propeller hub 121 is provided with motor installing hole, in flight
When device needs to install power set, the radome fairing 130 of part on propeller hub 121 is removed, by shaft of the motor installing hole to alignment motor
Propeller is seated, is come in addition, can also be uniformly distributed multiple counterbores on propeller hub by screw locking propeller hub 121 and motor shaft, propeller hub
121 are provided with screwed hole away from one end center of motor installing hole, for radome fairing 130 to be fixedly mounted.
Further, radome fairing 130 has protruded out stud 131, stud 131 and screwed hole close to one end center of propeller hub 121
It is correspondingly arranged.
In the technical scheme, radome fairing 130 has protruded out stud 131, stud 131 and spiral shell close to one end center of propeller hub 121
Pit is correspondingly arranged, for radome fairing 130 to be fixedly mounted.
Further, the equidistant array of blade 122 is arranged at the periphery of propeller hub 121, blade 122 respectively with propeller hub 121
Axis in identical angle set.
In the technical scheme, the equidistant array of blade 122 is arranged at the periphery of propeller hub 121, blade 122 respectively with oar
The axis of hub 121 is set in identical angle, it is ensured that vane stress is uniform, while so that producing stable thrust.
Further, duct 110, blade 122 and propeller hub 121 are made of one piece.
In the technical scheme, duct 110, blade 122 and propeller hub 121 are made of one piece, and duct passes through blade and propeller hub
Link into an integrated entity, gap is not present between blade and duct, impact noise is further reduced.Due to the effect of induced drag,
Blade can be deformed, and duct has supporting role to blade, under same rotating speed, and blade of the invention has smaller change
Shape, can produce bigger thrust.
Embodiment 2
Join shown in Fig. 3, the integrated culvert type propeller in the present embodiment, including duct 210, propeller 220 and rectification
Cover 230, propeller 220 includes a propeller hub 221 and three blades 222, and radome fairing 230 is fixed on propeller hub 221, the two ends of three blade 222
It is connected to propeller hub 221 and duct 210.
In the technical scheme, duct of the invention is linked into an integrated entity by blade with propeller hub, is not deposited between blade and duct
In gap, impact noise is set further to reduce.Due to the effect of induced drag, blade can be deformed, and duct has branch to blade
Support is acted on, and under same rotating speed, blade of the invention has smaller deformation, can produce bigger thrust.
Further, propeller hub 221 is cylindrical structure, and one end center of propeller hub 221 is provided with motor installing hole, and propeller hub 221 is carried on the back
One end center from motor installing hole is provided with screwed hole.
In the technical scheme, propeller hub 221 is cylindrical structure, and one end center of propeller hub 221 is provided with motor installing hole, in flight
When device needs to install power set, the radome fairing 230 of part on propeller hub 221 is removed, by shaft of the motor installing hole to alignment motor
Propeller is seated, is come in addition, can also be uniformly distributed multiple counterbores on propeller hub by screw locking propeller hub 221 and motor shaft, propeller hub
221 are provided with screwed hole away from one end center of motor installing hole, for radome fairing 230 to be fixedly mounted.
Further, radome fairing 230 has protruded out stud 131, stud 131 and screwed hole close to one end center of propeller hub 221
It is correspondingly arranged.
In the technical scheme, radome fairing 230 has protruded out stud 231, stud 231 and spiral shell close to one end center of propeller hub 221
Pit is correspondingly arranged, for radome fairing 230 to be fixedly mounted.
Further, the equidistant array of blade 222 is arranged at the periphery of propeller hub 221, blade 222 respectively with propeller hub 221
Axis in identical angle set.
In the technical scheme, the equidistant array of blade 222 is arranged at the periphery of propeller hub 221, blade 222 respectively with oar
The axis of hub 221 is set in identical angle, it is ensured that vane stress is uniform, while so that producing stable thrust.
Further, blade 222 and propeller hub 221 are made of one piece, and blade 222 passes through spiral shell away from one end of propeller hub 221
Silk 240 is fixed on duct 210.
In the technical scheme, blade 222 and propeller hub 221 are made of one piece, and blade 222 leads to away from one end of propeller hub 221
Cross screw 240 and be fixed on duct 210, duct is linked into an integrated entity by blade with propeller hub, gap is not present between blade and duct,
Impact noise is set further to reduce.Due to the effect of induced drag, blade can be deformed, and duct has supporting role to blade,
Under same rotating speed, blade of the invention has smaller deformation, can produce bigger thrust.
In summary, it is of the invention to be had the following advantages compared with existing single propeller：The ring of duct includes effect in the present invention,
Its compact conformation, aerodynamic noise are low, safety in utilization is good, and blade receives the limitation of duct so that impact noise reduces, induction
Drag reduction, and efficiency is higher.Under same power consumption, the present invention can produce bigger thrust.Because the isolation of duct is made
With, it is to avoid the propeller of rotation is contacted with the direct of exterior object at a high speed, reduces people caused by the object proximity blade edge of side
The damage of body or blade.
It is of the invention to be had the following advantages compared with existing culvert type propeller：The duct of the present invention is connected by blade with propeller hub
Integrally, gap is not present between blade and duct, impact noise is further reduced.Due to the effect of induced drag, blade
It can be deformed, duct has supporting role to blade, under same rotating speed, blade of the invention has smaller deformation, meeting
Produce bigger thrust.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (6)
1. a kind of integrated culvert type propeller, it is characterised in that including duct, propeller and radome fairing, the propeller bag
A propeller hub and at least two blades are included, the radome fairing is fixed on the propeller hub, and the blade two ends are connected to the propeller hub
And duct.
2. integrated culvert type propeller according to claim 1, it is characterised in that：The propeller hub is cylindrical structure,
Described propeller hub one end center is provided with motor installing hole, and the propeller hub is provided with screw thread away from one end center of the motor installing hole
Hole.
3. integrated culvert type propeller according to claim 2, it is characterised in that：The radome fairing is close to the propeller hub
One end center protruded out stud, the stud is correspondingly arranged with the screwed hole.
4. integrated culvert type propeller according to claim 2, it is characterised in that：The equidistant array of blade is set
In the periphery of the propeller hub, the blade is set with the axis of the propeller hub in identical angle respectively.
5. integrated culvert type propeller according to claim 1, it is characterised in that：The duct, blade and propeller hub one
It is body formed to form.
6. integrated culvert type propeller according to claim 1, it is characterised in that：The blade and propeller hub are integrally formed
Form, the blade is screwed in the duct away from one end of the propeller hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476996.7A CN107284652A (en) | 2017-06-21 | 2017-06-21 | Integrated culvert type propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476996.7A CN107284652A (en) | 2017-06-21 | 2017-06-21 | Integrated culvert type propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107284652A true CN107284652A (en) | 2017-10-24 |
Family
ID=60097947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476996.7A Pending CN107284652A (en) | 2017-06-21 | 2017-06-21 | Integrated culvert type propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107284652A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804452A (en) * | 2017-11-30 | 2018-03-16 | 肖华清 | Culvert type large-caliber spiral oar |
| CN107826242A (en) * | 2017-11-30 | 2018-03-23 | 肖华清 | Culvert type multi-rotor unmanned aerial vehicle |
| CN107826235A (en) * | 2017-11-30 | 2018-03-23 | 肖华清 | Culvert type thrust turbofan |
| CN109630313A (en) * | 2018-11-06 | 2019-04-16 | 武汉卓尔无人机制造有限公司 | A method of improving ducted fan engine pulling force |
| EP3712056A4 (en) * | 2017-11-16 | 2021-08-18 | Tang, Lianglun | Aircraft impeller and aircraft |
| CN115107976A (en) * | 2022-08-02 | 2022-09-27 | 杨传成 | Tubular impeller and tubular intensive supercharging impeller set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2179405A (en) * | 1985-08-24 | 1987-03-04 | Rolls Royce | Gas turbine engine with cowled prop-fan |
| CN2646045Y (en) * | 2003-10-24 | 2004-10-06 | 尚光辉 | Culvert fan type screw propeller |
| US20080048065A1 (en) * | 2004-12-23 | 2008-02-28 | Julian Kuntz | Flying Device With Improved Movement on The Ground |
| US20160229527A1 (en) * | 2013-10-02 | 2016-08-11 | John Hincks Duke | High Efficiency Aircraft Propulsion System |
| CN207242016U (en) * | 2017-06-21 | 2018-04-17 | 张家港致盈电子技术有限公司 | Integrated culvert type propeller |
| US20210114720A1 (en) * | 2019-10-22 | 2021-04-22 | Bell Textron Inc. | Aircraft with Rotating Ducted Fan |
-
2017
- 2017-06-21 CN CN201710476996.7A patent/CN107284652A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2179405A (en) * | 1985-08-24 | 1987-03-04 | Rolls Royce | Gas turbine engine with cowled prop-fan |
| CN2646045Y (en) * | 2003-10-24 | 2004-10-06 | 尚光辉 | Culvert fan type screw propeller |
| US20080048065A1 (en) * | 2004-12-23 | 2008-02-28 | Julian Kuntz | Flying Device With Improved Movement on The Ground |
| US20160229527A1 (en) * | 2013-10-02 | 2016-08-11 | John Hincks Duke | High Efficiency Aircraft Propulsion System |
| CN207242016U (en) * | 2017-06-21 | 2018-04-17 | 张家港致盈电子技术有限公司 | Integrated culvert type propeller |
| US20210114720A1 (en) * | 2019-10-22 | 2021-04-22 | Bell Textron Inc. | Aircraft with Rotating Ducted Fan |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3712056A4 (en) * | 2017-11-16 | 2021-08-18 | Tang, Lianglun | Aircraft impeller and aircraft |
| US11401029B2 (en) | 2017-11-16 | 2022-08-02 | Lianglun TANG | Aircraft impeller and aircraft |
| CN107804452A (en) * | 2017-11-30 | 2018-03-16 | 肖华清 | Culvert type large-caliber spiral oar |
| CN107826242A (en) * | 2017-11-30 | 2018-03-23 | 肖华清 | Culvert type multi-rotor unmanned aerial vehicle |
| CN107826235A (en) * | 2017-11-30 | 2018-03-23 | 肖华清 | Culvert type thrust turbofan |
| CN109630313A (en) * | 2018-11-06 | 2019-04-16 | 武汉卓尔无人机制造有限公司 | A method of improving ducted fan engine pulling force |
| CN115107976A (en) * | 2022-08-02 | 2022-09-27 | 杨传成 | Tubular impeller and tubular intensive supercharging impeller set |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190417 Address after: 215600 Binhe Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province, No. 2 (East China International Building) B421 Yang Huadong Applicant after: Yang Huadong Address before: 215600 No. 2 Binhe Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province (East China International Building) B405 Zhangjiagang Zhiying Electronic Technology Co., Ltd. Applicant before: ZHANGJIAGANG ZHIYING ELECTRONIC TECHNOLOGY CO.,LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171024 |