CN108032992A - Agricultural unmanned plane blade pitch control mechanism - Google Patents
Agricultural unmanned plane blade pitch control mechanism Download PDFInfo
- Publication number
- CN108032992A CN108032992A CN201711267151.3A CN201711267151A CN108032992A CN 108032992 A CN108032992 A CN 108032992A CN 201711267151 A CN201711267151 A CN 201711267151A CN 108032992 A CN108032992 A CN 108032992A
- Authority
- CN
- China
- Prior art keywords
- adjusting
- bearing
- unmanned plane
- control mechanism
- wing
- 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
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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
- B64C11/32—Blade pitch-changing mechanisms mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
The present invention provides a kind of agricultural unmanned plane blade pitch control mechanism, it is intended to provides a kind of stable structure, easy to adjust and service life grows agricultural unmanned plane blade pitch control mechanism.The present invention includes fixed frame (1), shaft (2), wing frame (3), STATEMENT OF FEDERALLY SPONSORED (4), several steering engines (5) and wing connection (6), bearing block is fixedly installed on the fixed frame (1), the bearing (8) being adapted with the output shaft of the steering engine (5) (7) is provided with the bearing block, adjusting block (9) is fixedly installed on the output shaft (7), the adjusting block (9) is hinged with the STATEMENT OF FEDERALLY SPONSORED (4), the output shaft (7) is connected with the adjusting block (9) afterwards through the bearing (8).The present invention is applied to the technical field of agricultural unmanned plane blade pitch control mechanism.
Description
Technical field
The present invention relates to a kind of adjusting mechanism, more particularly to a kind of agricultural unmanned plane blade pitch control mechanism.
Background technology
Pitch refers to that the rotor of helicopter or the propeller of fixed-wing rotate a circle 360 degree, walks upwards or forward
Distance.Agricultural unmanned helicopter generally uses variablepiston mechanism, can be very easily by measuring the angle of attack of blade (windward
Angle) size embodies the size of pitch, and amplitude of variation, and the angle of attack of blade is bigger, and pitch is also bigger.It is agricultural nobody go straight up to
Adjusting mechanism is typically provided with the variablepiston mechanism of machine, the output shaft of the steering engine of adjusting mechanism is found during use
It is easily impaired, so as to reduce degree of regulation, the flight path of agricultural unmanned helicopter can be impacted.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of stable structure, adjusting side
Just and service life length agricultural unmanned plane blade pitch control mechanism.
The technical solution adopted in the present invention is:The present invention is set including fixed frame, shaft, wing frame, STATEMENT OF FEDERALLY SPONSORED, fixation
Several steering engines on the fixed frame and the wing connection for being arranged on the wing frame and being connected with wing are put,
The wing connection is sequentially connected by the STATEMENT OF FEDERALLY SPONSORED and the steering engine, and the wing frame and one end of the shaft are consolidated
Fixed connection, the other end of the shaft pass through the fixed frame, the output with the steering engine are fixedly installed on the fixed frame
The bearing that axis is adapted, is fixedly installed adjusting block on the output shaft, the adjusting block is hinged with the STATEMENT OF FEDERALLY SPONSORED, described
Output shaft is connected after passing through the bearing with the adjusting block.
The STATEMENT OF FEDERALLY SPONSORED includes regulating part, the tune with shaft rotation connection being sequentially connected with the wing connection
The adjusting rod I and both ends that bearings I and adjusting bearing II, both ends are hinged with the regulating part and the adjusting bearing I respectively
The adjusting rod II being hinged respectively with the adjusting bearing II and the adjusting block, the adjusting bearing I are located at the adjustment axis
II lower section is held, and the adjusting bearing I is connected with adjusting II axial limiting of bearing.
The adjusting rod I and the adjusting rod II are by upper binding head, lower union joint and the connection connector and described
The connecting rod of lower union joint, the both ends of the connecting rod are threadedly coupled with the connector and the lower union joint respectively.
It is fixedly installed two pieces of adjusting blocks on the output shaft, the lower union joint is T-shaped part, the lower union joint
T connector portion be located between two pieces of adjusting blocks and be hinged with two pieces of adjusting blocks.
Adjusting rod III, the both ends difference of the adjusting rod III are provided between the adjusting bearing I and the wing frame
It is hinged with the adjusting bearing I with the wing frame.
What the upper-part and the upper-part that the adjusting rod III includes being hinged with the wing frame lower end were hinged
Middle component and the lower component being fixedly connected with the middle component, the lower end of the lower component are hinged with the adjusting bearing I, institute
The upper end for stating lower component is fixedly connected with the middle component.
Three steering engines are provided with the fixed frame, three steering engines are evenly distributed on the week of the shaft
Side.
The positioning bearing being adapted with the shaft is provided with the fixed frame.
The beneficial effects of the invention are as follows:Since the present invention includes fixed frame, shaft, wing frame, STATEMENT OF FEDERALLY SPONSORED, fixed setting
Several steering engines on the fixed frame and the wing connection for being arranged on the wing frame and being connected with wing, institute
State wing connection to be sequentially connected by the STATEMENT OF FEDERALLY SPONSORED and the steering engine, the wing frame and one end of the shaft are fixed
Connection, the other end of the shaft passes through the fixed frame, is fixedly installed bearing block on the fixed frame, on the bearing block
The bearing being adapted with the output shaft of the steering engine is provided with, adjusting block, the adjusting block are fixedly installed on the output shaft
Be hinged with the STATEMENT OF FEDERALLY SPONSORED, the output shaft pass through the bearing after be connected with the adjusting block, so, use when
Wait, when the steering engine rotates, the bearing can effectively change the stress point of the output shaft, so as to mitigate the output shaft
Abrasion, can effectively strengthen the bearing strength of the output shaft under the action of the bearing so that the output shaft is not easy
Damage, so as to effectively extend the service life of the present invention, and the stable structure, easy to adjust of the present invention.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is the side structure schematic diagram of the present invention.
Embodiment
As depicted in figs. 1 and 2, in the present embodiment, the present invention includes fixed frame 1, shaft 2, wing frame 3, STATEMENT OF FEDERALLY SPONSORED
4th, several steering engines 5 for being fixed on the fixed frame 1 and it is arranged on what is be connected on the wing frame 3 and with wing
Wing connection 6, the wing connection 6 are sequentially connected by the STATEMENT OF FEDERALLY SPONSORED 4 and the steering engine 5, the wing frame 3 with
One end of the shaft 2 is fixedly connected, and the other end of the shaft 2 passes through the fixed frame 1, fixes and sets on the fixed frame 1
Bearing block is equipped with, is provided with the bearing 8 being adapted with the output shaft 7 of the steering engine 5 on the bearing block, on the output shaft 7
Be fixedly installed adjusting block 9, the adjusting block 9 is hinged with the STATEMENT OF FEDERALLY SPONSORED 4, the output shaft 7 pass through the bearing 8 after with
The adjusting block 9 is connected.In the present embodiment, three steering engines 5, three rudders are provided with the fixed frame 1
Machine 5 is evenly distributed on the periphery of the shaft 2.
In the present embodiment, the STATEMENT OF FEDERALLY SPONSORED 4 includes regulating part 41 and the institute being sequentially connected with the wing connection 6
State shaft 2 rotation connection adjusting bearing I 42 and adjusting bearing II 43, both ends respectively with the regulating part 41 and the adjustment axis
Hold the adjusting rod that I 42 adjusting rods I 44 being hinged and both ends are hinged with the adjusting bearing II 43 and the adjusting block 9 respectively
II 45, the adjusting bearing I 42 is below the adjusting bearing II 43, and the adjusting bearing I 42 and the adjusting bearing
II 43 axial limitings connect.When agricultural unmanned plane is in flight, the adjusting bearing I 42 occurs to turn with the wing frame 3
Dynamic, II 43, the bearing of adjusting remains stationary as.When adjusting, the steering engine 5 makes to move down in adjusting bearing II 43 generation
Dynamic, so that the adjusting bearing II 43 drives the adjusting bearing I 42 to move up and down again, the adjusting bearing I 42 is logical
Crossing the adjusting rod I 44 and the adjusting rod I 44 makes the wing connection 6 rotate, so as to change the angle of attack of blade.
In the present embodiment, the adjusting rod I 44 and the adjusting rod II 45 by upper binding head 10, lower union joint 11 and
Connect the connecting rod 12 of the connector 10 and the lower union joint 11, the both ends of the connecting rod 12 respectively with the connector 10 and
The lower union joint 11 is threadedly coupled, and can be proofreaded before dispatching from the factory by the connecting rod 12, so as to reach higher
Flight precision.
In the present embodiment, two pieces of adjusting blocks 9 are fixedly installed on the output shaft 7, the lower union joint 11 is T
Type part, the T connector portion of the lower union joint 11 are located between two pieces of adjusting blocks 9 and are hinged with two pieces of adjusting blocks 9.
In the present embodiment, adjusting rod III 13 is provided between the adjusting bearing I 42 and the wing frame 3, it is described
The both ends of adjusting rod III 13 are hinged with the adjusting bearing I 42 with the wing frame 3 respectively.
In the present embodiment, the adjusting rod III 13 include be hinged with 3 lower end of wing frame upper-part 131,
The middle component 132 being hinged with the upper-part 1 and the lower component 133 being fixedly connected with the middle component 132, the lower component
133 lower end is hinged with the adjusting bearing I 42, and the upper end of the lower component 133 is fixedly connected with the middle component 132.
In the present embodiment, the positioning bearing 14 being adapted with the shaft 2 is provided with the fixed frame 1, passes through institute
The stability of agricultural unmanned plane during flying can be ensured well by stating positioning bearing 14.
The present invention is applied to the technical field of agricultural unmanned plane blade pitch control mechanism.
Although the embodiment of the present invention is described with practical solution, the limit to implication of the present invention is not formed
System, for those skilled in the art, is all according to modification of this specification to its embodiment and with the combination of other schemes
Obviously.
Claims (8)
1. a kind of agricultural unmanned plane blade pitch control mechanism, including fixed frame (1), shaft (2), wing frame (3), STATEMENT OF FEDERALLY SPONSORED (4),
Several steering engines (5) for being fixed on the fixed frame (1) and it is arranged on the wing frame (3) and is connected with wing
The wing connection (6) connect, the wing connection (6) are sequentially connected by the STATEMENT OF FEDERALLY SPONSORED (4) and the steering engine (5), institute
One end that wing frame (3) is stated with the shaft (2) is fixedly connected, and the other end of the shaft (2) passes through the fixed frame
(1), it is characterised in that:Bearing block is fixedly installed on the fixed frame (1), is provided with the bearing block and the steering engine
(5) bearing (8) that output shaft (7) is adapted, is fixedly installed adjusting block (9), the adjusting block on the output shaft (7)
(9) it is hinged with the STATEMENT OF FEDERALLY SPONSORED (4), the output shaft (7) is connected with the adjusting block (9) afterwards through the bearing (8).
2. agricultural unmanned plane blade pitch control mechanism according to claim 1, it is characterised in that:The STATEMENT OF FEDERALLY SPONSORED (4) includes
Regulating part (41), the adjusting bearing I (42) with the shaft (2) rotation connection being sequentially connected with the wing connection (6)
The adjusting rod I being hinged respectively with the regulating part (41) and the adjusting bearing I (42) with adjusting bearing II (43), both ends
(44) and both ends respectively with the adjusting bearing II (43) and the adjusting rod II (45) that is hinged of the adjusting block (9), the tune
Bearings I (42) are below the adjusting bearing II (43), and the adjusting bearing I (42) and the adjusting bearing II (43)
Axial limiting connects.
3. agricultural unmanned plane blade pitch control mechanism according to claim 2, it is characterised in that:The adjusting rod I (44) and
The adjusting rod II (45) is by upper binding head (10), lower union joint (11) and connects the connector (10) and the lower connection
The connecting rod (12) of head (11), the both ends of the connecting rod (12) respectively with the connector (10) and the lower union joint (11) screw thread
Connection.
4. agricultural unmanned plane blade pitch control mechanism according to claim 3, it is characterised in that:It is solid on the output shaft (7)
Surely two pieces of adjusting blocks (9) are provided with, the lower union joint (11) is T-shaped part, and the T connector portion of the lower union joint (11) is set
It is hinged between two pieces of adjusting blocks (9) and with two pieces of adjusting blocks (9).
5. agricultural unmanned plane blade pitch control mechanism according to claim 2, it is characterised in that:The adjusting bearing I (42)
Be provided with adjusting rod III (13) between the wing frame (3), the both ends of the adjusting rod III (13) respectively with the adjusting
Bearing I (42) is hinged with the wing frame (3).
6. agricultural unmanned plane blade pitch control mechanism according to claim 5, it is characterised in that:Adjusting rod III (13) bag
Include the upper-part (131) being hinged with the wing frame (3) lower end, the middle component (132) being hinged with the upper-part (1)
And the lower component (133) being fixedly connected with the middle component (132), the lower end of the lower component (133) and the adjusting bearing I
(42) it is hinged, the upper end of the lower component (133) is fixedly connected with the middle component (132).
7. agricultural unmanned plane blade pitch control mechanism according to claim 1, it is characterised in that:On the fixed frame (1)
Three steering engines (5) are provided with, three steering engines (5) are evenly distributed on the periphery of the shaft (2).
8. agricultural unmanned plane blade pitch control mechanism according to claim 1, it is characterised in that:Set on the fixed frame (1)
It is equipped with the positioning bearing (14) being adapted with the shaft (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711267151.3A CN108032992A (en) | 2017-12-05 | 2017-12-05 | Agricultural unmanned plane blade pitch control mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711267151.3A CN108032992A (en) | 2017-12-05 | 2017-12-05 | Agricultural unmanned plane blade pitch control mechanism |
Publications (1)
Publication Number | Publication Date |
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CN108032992A true CN108032992A (en) | 2018-05-15 |
Family
ID=62095024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711267151.3A Pending CN108032992A (en) | 2017-12-05 | 2017-12-05 | Agricultural unmanned plane blade pitch control mechanism |
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CN (1) | CN108032992A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109466747A (en) * | 2018-11-06 | 2019-03-15 | 珠海隆华直升机科技有限公司 | Helicopter Main paddle displacement drive system and helicopter |
CN111332462A (en) * | 2020-02-24 | 2020-06-26 | 北京理工大学 | Portable small-sized cylinder type coaxial reverse-propeller three-blade rotor type unmanned aerial vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203921189U (en) * | 2014-06-07 | 2014-11-05 | 珠海羽人飞行器有限公司 | Agricultural unmanned plane blade pitch control mechanism |
CN106714545A (en) * | 2016-11-23 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Sowing machine and agricultural unmanned aerial vehicle |
CN106915437A (en) * | 2017-04-14 | 2017-07-04 | 西安天问智能科技有限公司 | Pulp distance varying mechanism and rotor craft in rotor craft |
CN206433622U (en) * | 2016-12-15 | 2017-08-25 | 珠海羽人农业航空有限公司 | The agricultural unmanned plane sowing apparatus of modularization fast changeable |
-
2017
- 2017-12-05 CN CN201711267151.3A patent/CN108032992A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203921189U (en) * | 2014-06-07 | 2014-11-05 | 珠海羽人飞行器有限公司 | Agricultural unmanned plane blade pitch control mechanism |
CN106714545A (en) * | 2016-11-23 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Sowing machine and agricultural unmanned aerial vehicle |
CN206433622U (en) * | 2016-12-15 | 2017-08-25 | 珠海羽人农业航空有限公司 | The agricultural unmanned plane sowing apparatus of modularization fast changeable |
CN106915437A (en) * | 2017-04-14 | 2017-07-04 | 西安天问智能科技有限公司 | Pulp distance varying mechanism and rotor craft in rotor craft |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109466747A (en) * | 2018-11-06 | 2019-03-15 | 珠海隆华直升机科技有限公司 | Helicopter Main paddle displacement drive system and helicopter |
CN111332462A (en) * | 2020-02-24 | 2020-06-26 | 北京理工大学 | Portable small-sized cylinder type coaxial reverse-propeller three-blade rotor type unmanned aerial vehicle |
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Application publication date: 20180515 |
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