CN205524955U - Variable -pitch propeller oar and unmanned aerial vehicle - Google Patents
Variable -pitch propeller oar and unmanned aerial vehicle Download PDFInfo
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- CN205524955U CN205524955U CN201620116952.4U CN201620116952U CN205524955U CN 205524955 U CN205524955 U CN 205524955U CN 201620116952 U CN201620116952 U CN 201620116952U CN 205524955 U CN205524955 U CN 205524955U
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- shell fragment
- rotating shaft
- variable
- pitch propeller
- pitch
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- 239000012634 fragment Substances 0.000 claims abstract description 127
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The application discloses the variable -pitch propeller oar, including pivot (1) of vertical setting install shell fragment (2) on pivot (1), shell fragment (2) can follow rotate pivot (1) paddle (3) are installed at the both ends of shell fragment (2) be provided with pitch -changing mechanism (4) that are used for making two paddles (3) displacement on pivot (1). This application still discloses an unmanned aerial vehicle, and this unmanned aerial vehicle has adopted above -mentioned variable -pitch propeller oar. The utility model provides a variable -pitch propeller oar, simple structure, rotor blade's vibration just can effectively be alleviated to low in manufacturing cost.
Description
Technical field
The application relates to unmanned air vehicle technique field, particularly relates to the variable-pitch propeller of a kind of unmanned plane, with
Time further relate to a kind of unmanned plane.
Background technology
Existing many rotor wing unmanned aerial vehicles use spacing oar, and pitch is immutable, left and right rise and fall before and after aircraft
Action fully relies on the motor speed regulating each rotor, forms each oar by the speed discrepancy of each motor
Lift difference realizes, and as a example by four axle unmanned planes, its ascending motion is dependent on improving four axles simultaneously and powers on
The rotating speed of machine realizes to produce lift, reduces the rotating speed of four motors during descending motion simultaneously.Transport forward
Time dynamic, be the rotating speed improving two motors next to produce greater lift, with the rotor on above two axles
Producing lift difference to realize, aircraft turns forward flight.The type of drive moved to other directions all uses
Similarity method.Such spacing paddle structure can not change lift by the adjustment of pitch, completely by improving
The mode of motor speed improves lift so that it is rotor service efficiency is the highest.And existing many rotors are without per capita
Employing battery is powered, and such control mode is relatively big to the loss of electric energy, at existing battery technology without breaking through
Property progress in the case of, its flying power is restricted, and limits its application development.
Existing many rotor wing unmanned aerial vehicles have only a few type to select variable-distance rotor structure, and its structure is adopted completely
By the structure of existing model copter tail-rotor, moved up and down by the pitch on servos control motor shaft,
Driven propeller hub motion by pitch, make rotor produce variablepiston, change lift produced by rotor with this.
This structure can be effectively improved the efficiency producing lift of rotor, but this infrastructure cost is higher, existing
The many rotor wing unmanned aerial vehicles market having is the most ripe, the strictest to cost control, uses propeller hub so
The unmanned plane cost performance of structure the highest.And for many rotor wing unmanned aerial vehicles, its rotor needs displacement
Angle the least, unmanned plane belongs to small aircraft, and rotary wing changing is the least away from produced axial tension, existing
Some displacement propeller hub structure relative weights are relatively big, structure is complicated and improper.
Therefore, a kind of simple in construction, low cost of manufacture variable-pitch propeller is that those skilled in the art urgently solve
Problem certainly.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of variable-pitch propeller, simple in construction, system
Make low cost, and can effectively alleviate the vibration of rotor blade.
The technical scheme that this utility model provides is as follows:
A kind of variable-pitch propeller, including the rotating shaft being vertically arranged, is provided with shell fragment, institute in described rotating shaft
State shell fragment and at the two ends of described shell fragment, blade can be installed, in described rotating shaft with described axis of rotation
It is provided with the pitch-changing mechanism for making two blade displacements.
Preferably, described pitch-changing mechanism includes, the first traction piece, the second traction piece, is set in described turning
Sleeve on axle and be set in the rotating disk on described sleeve, described sleeve can in described rotating shaft vertically
Mobile, described rotating disk can be relative to described axis of rotation, described first traction piece and described second traction
Part is respectively hinged at the both sides of described shell fragment, and arranges respectively close to described blade, described first traction piece
Hinged with described rotating disk respectively away from one end of shell fragment with described second traction piece.
Preferably, the middle part of described shell fragment is provided with the first installing hole, at the two ends of described shell fragment respectively
Being provided with the second installing hole, described shell fragment is arranged in described rotating shaft by described first installing hole, described
Blade is connected with described shell fragment by described second installing hole.
Preferably, being provided with mounting blocks on described shell fragment, described mounting blocks passes through bolt by described shell fragment
Fix with described rotating shaft and be connected.
Preferably, the middle part hollow out of described shell fragment is arranged.
Preferably, described shell fragment includes the first shell fragment and the second shell fragment, described first shell fragment and described second
Shell fragment is connected with described rotating shaft respectively, is provided with blade at described first shell fragment away from one end of described rotating shaft,
Away from one end of described rotating shaft, blade is installed at described second shell fragment.
Preferably, being provided with mounting blocks in described rotating shaft, described mounting blocks passes through bolt by described first
Shell fragment and described second shell fragment are fixedly mounted in described rotating shaft.
Preferably, described first shell fragment is arranged with the equal hollow out in middle part of described second shell fragment.
Preferably, it is characterised in that described shell fragment is provided with two or more, and horizontally overlapping setting.
This utility model also provides for a kind of unmanned plane, and described unmanned plane have employed described in above-mentioned any one
Variable-pitch propeller.
The variable-pitch propeller that this utility model provides, owing to being provided with shell fragment in rotating shaft, shell fragment can be with
Axis of rotation, is provided with blade at the two ends of shell fragment, is provided with for making two blade displacements in rotating shaft
Blade pitch-changing mechanism.The setting of shell fragment, under the effect of pitch-changing mechanism, shell fragment is capable of reversing, thus
Realize displacement, compared with variable-pitch propeller of the prior art, its simple in construction, low cost of manufacture,
And owing to shell fragment has good elastic deformation performance, can effectively alleviate the vibration of rotor blade.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the variable-pitch propeller that Fig. 1 provides for this utility model embodiment one；
The perspective view of the variable-pitch propeller that Fig. 2 provides for this utility model embodiment one；
Fig. 3 is the structural representation of shell fragment in this utility model embodiment one；
Fig. 4 is the structural representation of shell fragment in this utility model embodiment two.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with
Accompanying drawing in the embodiment of the present application, clearly and completely retouches the technical scheme in the embodiment of the present application
State, it is clear that described embodiment is only some embodiments of the present application rather than whole enforcement
Example.Based on the embodiment in the application, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, all should belong to the scope of the application protection.
Embodiment one
The most as shown in Figure 1 to Figure 3, this utility model embodiment provides a kind of variable-pitch propeller, including erecting
Directly being provided with rotating shaft 1, be provided with shell fragment 2 in rotating shaft 1, shell fragment 2 can rotate with rotating shaft 1, at bullet
The two ends of sheet 2 are provided with blade 3, are provided with the pitch-changing mechanism for making two blade 3 displacements in rotating shaft 1
4。
The variable-pitch propeller that this utility model embodiment provides, owing to being provided with shell fragment 2, bullet in rotating shaft 1
Sheet 2 can rotate with rotating shaft 1, is provided with blade 3 at the two ends of shell fragment 2, in the effect of pitch-changing mechanism 4
Lower shell fragment 2 is capable of reversing, thus realizes displacement, compared with variable-pitch propeller of the prior art,
Its simple in construction, low cost of manufacture, and owing to shell fragment 2 has good elastic deformation performance, Ke Yiyou
Effect alleviates the vibration of rotor blade.
Wherein, pitch-changing mechanism 4 includes, first traction piece the 41, second traction piece 42, is set in rotating shaft 1
On sleeve 44 and the rotating disk 43 that is set on sleeve 44, sleeve 44 vertically can move in rotating shaft 1
Dynamic, rotating disk 43 can rotate relative to rotating shaft 1, and the first traction piece 41 cuts with scissors respectively with the second traction piece 42
It is connected on the both sides of shell fragment 2, and arranges respectively close to blade 3, the first traction piece 41 and the second traction piece 42
One end away from shell fragment 2 is hinged with rotating disk 43 respectively.
When propeller rotational, rotating disk 43 rotates together along with rotating shaft 1 on sleeve 44, when needs reality
When showing the displacement of propeller, sleeve 44 moves straight down along rotating shaft 1, and sleeve 44 is in the process of movement
In, drive rotating disk 43 to move straight down, thus drive the first traction piece 41 and the second traction piece 42 to erect
Directly move down, owing to the first traction piece 41 is hinged with rotating disk 43 and hinged with the side of shell fragment 2, because of
This, during rotating disk 43 moves straight down, the first traction piece 41 pulls downward on the side of shell fragment,
Again owing to the second traction piece 42 is hinged with rotating disk 43 and hinged with the opposite side of shell fragment 2, therefore, turning
During dish 43 moves straight down, the second traction piece 42 connects downwards the opposite side of spring plate,
Pulling down while one traction piece 41 and the second traction piece 42, shell fragment 2 twists, and is arranged on shell fragment 2
The blade 3 at two ends realizes reciprocal horizontal deflection, thus realizes the displacement of propeller.
Wherein, as a kind of optimal way, rotating disk 43 is located on sleeve 44 by bearing holder (housing, cover).
In this utility model embodiment, shell fragment 2 is arranged on the top of rotating shaft 1, concrete, at shell fragment 2
Middle part be provided with the first installing hole 51, be respectively arranged with the second installing hole 52, bullet at the two ends of shell fragment 2
Sheet 2 is arranged in rotating shaft 1 by the first installing hole 51, and blade 3 is by the second installing hole 52 and shell fragment 2
Connect.
Further, being provided with mounting blocks 6 on shell fragment 2, mounting blocks 6 passes through bolt by shell fragment 2 and rotating shaft
1 fixing connection.Concrete, shell fragment 2 is placed with the top of rotating shaft 1, then mounting blocks 6 is placed on
On shell fragment, last bolt is connected through mounting blocks 6 and shell fragment 2 are fixing with the top of rotating shaft 1, thus real
Now shell fragment 2 is arranged on the top of rotating shaft 1.
Wherein, the middle part hollow out of shell fragment 2 is arranged.The middle part hollow out of shell fragment 2 arranges and shell fragment 2 is reversed
It is more prone to, and the weight of shell fragment 2 can be alleviated, reduce the consumption of raw material.
Shell fragment 2 in this utility model embodiment preferably employs the rectangular-shaped flexible of a piece of 1mm thickness steel construction
Thin shell fragment.In order to adapt to the requirement of different blade 3, the quantity of shell fragment 2 can arrange multiple, preferably set
It is equipped with two or more, and horizontally overlapping setting.
The present embodiment also provides for a kind of unmanned plane, and this unmanned plane have employed above-mentioned variable-pitch propeller.
Embodiment two
The most as shown in Figure 4, the structural representation of shell fragment 2 during Fig. 4 is the present embodiment.The present embodiment provides
Variable-pitch propeller be that the structure of shell fragment 2 is different from the difference of embodiment one.
The shell fragment 2 of the variable-pitch propeller provided in the present embodiment includes, the first shell fragment 21 and the second shell fragment 22,
First shell fragment 21 is connected with rotating shaft 1 respectively with the second shell fragment 22, at the first shell fragment 21 away from rotating shaft 1
One end install blade 3, the second shell fragment 22 away from rotating shaft 1 one end install blade 3.
At the first shell fragment 21, one end of rotating shaft 1 is provided with the first installing hole 51, at the first shell fragment 21
One end away from rotating shaft 1 is provided with the second installing hole 52, sets near one end of rotating shaft 1 at the second shell fragment 22
It is equipped with the first installing hole 51, at the second shell fragment 22, one end of rotating shaft 1 is provided with the second installing hole 52.
Wherein, rotating shaft 1 is provided with mounting blocks 6, mounting blocks 6 by bolt by the first shell fragment 21 with
Second shell fragment 22 is fixedly mounted in rotating shaft 1.Concrete, bolt passes mounting blocks 6, then passes through the
The first installing hole 51 on one shell fragment 21 and the second shell fragment 22 is fixing with the top of rotating shaft 1 to be connected.Wherein,
It may be that the first shell fragment 21 overlaps with the first installing hole 51 on the second shell fragment 22, it is also possible to be two spiral shells
The first installing hole 51 that bolt is each passed through on the first shell fragment 21 and the second shell fragment 22 realizes the first shell fragment 21
Fix with the top of rotating shaft 1 and be connected, the second shell fragment 22 is connected with the top of rotating shaft 1.
Wherein, the equal hollow out in middle part of the first shell fragment 21 and the second shell fragment 22 is arranged.First shell fragment 21 and
The middle part hollow out of two shell fragments 22 arranges and the first shell fragment 21 is more prone to the second shell fragment 22 torsion, and
The first shell fragment 21 and weight of the second shell fragment 22 can be alleviated, reduce the consumption of raw material.
The first shell fragment 21 and the second shell fragment 22 in this utility model embodiment all use a piece of 1mm thickness steel
The thin shell fragment of rectangular-shaped flexible of structure.In order to adapt to the requirement of different blade 3, the first shell fragment 21 and second
The quantity of shell fragment 22 can arrange multiple, is preferably provided with two or more, and horizontally overlapping setting, and first
Shell fragment 21 is identical with the quantity of the second shell fragment 22.
The present embodiment also provides for a kind of unmanned plane, and this unmanned plane have employed above-mentioned variable-pitch propeller.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. a variable-pitch propeller, it is characterized in that, including the rotating shaft (1) being vertically arranged, described rotating shaft (1) is provided with shell fragment (2), described shell fragment (2) can rotate with described rotating shaft (1), at the two ends of described shell fragment (2), blade (3) is installed, described rotating shaft (1) is provided with the pitch-changing mechanism (4) for making two blades (3) displacement.
Variable-pitch propeller the most according to claim 1, it is characterized in that, described pitch-changing mechanism (4) includes, first traction piece (41), second traction piece (42), the sleeve (44) being set in described rotating shaft (1) and the rotating disk (43) being set on described sleeve (44), described sleeve (44) can be upper the most mobile in described rotating shaft (1), described rotating disk (43) can rotate relative to described rotating shaft (1), described first traction piece (41) and described second traction piece (42) are respectively hinged at the both sides of described shell fragment (2), and arrange respectively close to described blade (3), described first traction piece (41) and described second traction piece (42) are hinged with described rotating disk (43) respectively away from one end of shell fragment (2).
Variable-pitch propeller the most according to claim 2, it is characterized in that, the middle part of described shell fragment (2) is provided with the first installing hole (51), it is respectively arranged with the second installing hole (52) at the two ends of described shell fragment (2), described shell fragment (2) is arranged in described rotating shaft (1) by described first installing hole (51), and described blade (3) is connected with described shell fragment (2) by described second installing hole (52).
Variable-pitch propeller the most according to claim 3, it is characterized in that, being provided with mounting blocks (6) on described shell fragment (2), described mounting blocks (6) is connected fixing to described shell fragment (2) and described rotating shaft (1) by bolt.
Variable-pitch propeller the most according to claim 4, it is characterised in that the middle part hollow out of described shell fragment (2) is arranged.
Variable-pitch propeller the most according to claim 2, it is characterized in that, described shell fragment (2) includes the first shell fragment (21) and the second shell fragment (22), described first shell fragment (21) is connected with described rotating shaft (1) respectively with described second shell fragment (22), described first shell fragment (21) away from described rotating shaft (1) one end install blade (3), described second shell fragment (22) away from described rotating shaft (1) one end install blade (3).
Variable-pitch propeller the most according to claim 6, it is characterized in that, being provided with mounting blocks (6) in described rotating shaft (1), described first shell fragment (21) and described second shell fragment (22) are fixedly mounted in described rotating shaft (1) by described mounting blocks (6) by bolt.
Variable-pitch propeller the most according to claim 7, it is characterised in that described first shell fragment (21) is arranged with the equal hollow out in middle part of described second shell fragment (22).
9. according to variable-pitch propeller described in claim 1 to 6 any one, it is characterised in that described shell fragment (2) is provided with two or more, and horizontally overlapping setting.
10. a unmanned plane, it is characterised in that described unmanned plane have employed the variable-pitch propeller as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116952.4U CN205524955U (en) | 2016-02-05 | 2016-02-05 | Variable -pitch propeller oar and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116952.4U CN205524955U (en) | 2016-02-05 | 2016-02-05 | Variable -pitch propeller oar and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205524955U true CN205524955U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620116952.4U Expired - Fee Related CN205524955U (en) | 2016-02-05 | 2016-02-05 | Variable -pitch propeller oar and unmanned aerial vehicle |
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| CN (1) | CN205524955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455295A (en) * | 2018-11-07 | 2019-03-12 | 深圳加创科技有限公司 | Rotor control device and rotor craft |
| CN113247240A (en) * | 2021-06-25 | 2021-08-13 | 四川腾盾科技有限公司 | Unmanned helicopter tail rotor pitch adjusting and operating structure |
-
2016
- 2016-02-05 CN CN201620116952.4U patent/CN205524955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455295A (en) * | 2018-11-07 | 2019-03-12 | 深圳加创科技有限公司 | Rotor control device and rotor craft |
| CN109455295B (en) * | 2018-11-07 | 2023-09-12 | 杭州翼能科技有限公司 | Rotor control device and rotor craft |
| CN113247240A (en) * | 2021-06-25 | 2021-08-13 | 四川腾盾科技有限公司 | Unmanned helicopter tail rotor pitch adjusting and operating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 410000 room 52, door 5, building 30, No. 114, xinkaipu Road, Tianxin District, Changsha City, Hunan Province Patentee after: Li Jun Address before: 410114 nantuoling community carton factory, NANTUO street, Tianxin District, Changsha City, Hunan Province Patentee before: HUNAN KUTA TECHNOLOGY Co.,Ltd. |
|
| 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: 20160831 |