CN108674648B - Unmanned aerial vehicle rotor cutting angle adjusting device - Google Patents
Unmanned aerial vehicle rotor cutting angle adjusting device Download PDFInfo
- Publication number
- CN108674648B CN108674648B CN201810550698.2A CN201810550698A CN108674648B CN 108674648 B CN108674648 B CN 108674648B CN 201810550698 A CN201810550698 A CN 201810550698A CN 108674648 B CN108674648 B CN 108674648B
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- shaft
- half cover
- rotating shaft
- shell
- unmanned aerial
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- 238000005096 rolling process Methods 0.000 claims abstract description 16
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/52—Tilting of rotor bodily relative to fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a cutting angle adjusting device for a rotor wing of an unmanned aerial vehicle, which comprises a rotating shaft, a shell, a rolling bearing, a first gear shaft, a second gear shaft, a first rotating shaft, a second rotating shaft, a first half cover, a second half cover, a threaded shaft, a nut and a rotor wing, wherein the upper end of the rotating shaft is connected with the bottom of the shell, a stepped hole and a bearing hole are arranged in the shell, the outer ring of the rolling bearing is connected with the bearing hole, the first rotating shaft is connected with the stepped hole on one side of the shell, the first gear shaft is connected with the inner ring of the rolling bearing, the second gear shaft is connected with the inner ring of the rolling bearing, the first half cover is connected with the upper end of the shell, the second half cover is connected with the upper end of the shell, a connecting plate is arranged at the lower end of the threaded shaft, the nut is rotatably connected with the first half cover and the second half cover, and is simultaneously connected with the threaded shaft through a screw pair, and the rotor wing is respectively connected with a connecting seat II, so that the size of the cutting angle of the rotor wing and air of the unmanned aerial vehicle can be adjusted, realize the adjustment of unmanned aerial vehicle lift, and the lift is stable, promotes the scope that unmanned aerial vehicle hung the load.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a cutting angle adjusting device for a rotor wing of an unmanned aerial vehicle.
Background
Along with the development of many rotor unmanned aerial vehicle technique, application field is more and more wide, for example, utilize unmanned aerial vehicle to take photo by plane, utilize unmanned aerial vehicle to carry out plant protection, utilize unmanned aerial vehicle to patrol and examine work such as, load requirement to unmanned aerial vehicle is bigger and bigger, improve the work of unmanned aerial vehicle's lift at present, some material through changing the fuselage, adopt the high and light-weight material of structural strength, for example, the carbon fiber tube, some promotion rotor driving motor's rotational speed, some curved surface angle through changing the rotor, but according to the application scenario of difference, it can select the lift of flight according to the operating mode to hope unmanned aerial vehicle, in order to reach the effect of practicing thrift the electric energy, it is big to make its scope of hanging load, and guarantee that unmanned aerial vehicle works under the best operating mode, the duration has been prolonged.
Disclosure of Invention
The invention provides an unmanned aerial vehicle rotor cutting angle adjusting device, which realizes the adjustment of the rotary cutting angle of a rotor and air of an unmanned aerial vehicle, realizes the adjustment of the lift force of the unmanned aerial vehicle, has stable lift force and improves the range of the suspended load of the unmanned aerial vehicle.
In order to achieve the purpose, the invention adopts the technical scheme that: an unmanned aerial vehicle rotor cutting angle adjusting device comprises a rotating shaft, a shell, a rolling bearing, a first gear shaft, a second gear shaft, a first rotating shaft, a second rotating shaft, a first half cover, a second half cover, a threaded shaft, a nut and a rotor, wherein the upper end of the rotating shaft is connected with the bottom of the shell through a bolt, a stepped hole and a bearing hole are formed in the shell, the outer ring of the rolling bearing is connected with the bearing hole, the first gear shaft is internally provided with the first splined hole, the second gear shaft is internally provided with the second splined hole, the first rotating shaft is rotatably connected with the stepped hole on one side of the shell, one end of the first rotating shaft is provided with the first splined shaft, the other end of the first rotating shaft is provided with a first connecting seat, the first gear shaft is connected with the inner ring of the rolling bearing in the bearing hole on one side of the shell, the first splined shaft is connected with the first splined hole, the second rotating shaft is rotatably connected with the stepped hole on the other side of the shell, one end of the second rotating shaft is provided with the second splined shaft, the other end is equipped with connecting seat two, gear shaft two is connected with the antifriction bearing inner circle in the dead eye of casing opposite side, and integral key shaft two is connected with splined hole two, half lid one passes through bolted connection with the casing upper end, half lid two passes through bolted connection with the casing upper end, the screw shaft passes in the middle of half lid one and half lid two, and the screw shaft lower extreme is equipped with the connecting plate, connecting plate one side is equipped with rack one, and one side is equipped with rack two in addition, and rack one and the gear engagement on the gear shaft one, rack two and the gear engagement on the gear shaft two, the nut is connected with half lid one and half lid two rotation, passes through the screw pair with the screw shaft simultaneously and is connected, the rotor is equipped with two, and one of them passes through bolted connection with connecting seat one, and another passes through bolted connection with connecting seat two.
Preferably, a sliding groove is formed in the inner wall of the half cover, a sliding block is arranged on the outer wall of the threaded shaft, and the sliding block can slide in the sliding groove.
Preferably, the first half groove is formed in the inner wall of the first half cover, the second half groove is formed in the inner wall of the second half cover, and the first half groove and the second half groove form a circular groove after the first half cover and the second half cover are installed.
Preferably, the lower end of the nut is provided with a circular ring, and the circular ring can rotate in the circular ring groove.
The beneficial effect of adopting above technical scheme is: the unmanned aerial vehicle rotor cutting angle adjusting device firstly calculates the lift force of the unmanned aerial vehicle according to the weight of the load to be carried by the unmanned aerial vehicle, because the inner wall of the first half cover is provided with the first half slot, the inner wall of the second half cover is provided with the second half slot, the first half slot and the second half slot form a circular groove after being installed along with the first half cover and the second half cover, the lower end of the nut is provided with a circular ring which can rotate in the circular groove, the nut is connected with the threaded shaft through the screw pair, then the nut is manually screwed according to the lift force of the unmanned aerial vehicle, the nut can rotate in situ in the circular groove formed by the first half slot and the second half slot, then under the driving of the screw pair, under the guiding effect of the sliding groove on the sliding block on the threaded shaft, the threaded shaft moves downwards, the threaded shaft drives the first rack and the second rack connected with the connecting plate to move downwards through the connecting plate arranged at the lower end, the first rack drives the first gear shaft to rotate clockwise, the second rack drives the second gear shaft to rotate anticlockwise, the first gear shaft is internally provided with a spline hole, one end of the first rotating shaft is provided with a spline shaft I, the other end of the first rotating shaft is provided with a first connecting seat, the second gear shaft is internally provided with a spline hole, one end of the second rotating shaft is provided with a spline shaft II, the other end of the second rotating shaft is provided with a second connecting seat, and two rotors are arranged, one of the rotors is connected with the first connecting seat through a bolt, the other rotor is connected with the second connecting seat through a bolt, so that the first gear shaft drives the first rotating shaft to drive the rotors connected with the first connecting seat to rotate clockwise, the second gear shaft drives the second rotating shaft to drive the rotors connected with the second connecting seat to rotate anticlockwise, the two rotating directions are opposite and the same, the size of the rotating cutting angle of the rotors of the unmanned aerial vehicle is adjusted, and the lifting force of the unmanned aerial vehicle is adjusted, and the lift is stable, has promoted the scope that unmanned aerial vehicle hung the load.
Drawings
Fig. 1 is an overall assembly schematic diagram of the unmanned aerial vehicle rotor cutting angle adjusting device;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a top view of the second rotating shaft;
FIG. 4 is a top view of the cover half;
FIG. 5 is a top view of the second half cover;
FIG. 6 is a left side view of the threaded shaft, the connecting plate, the first rack and the second rack;
FIG. 7 is a bottom view of the threaded shaft, the connecting plate, the first rack and the second rack;
wherein:
1. a rotating shaft; 2. a housing; 3. a rolling bearing; 4. a first gear shaft; 5. a second gear shaft; 6. a first rotating shaft; 7. a second rotating shaft; 8. half covers one; 9. a second half cover; 1-1, a threaded shaft; 1-2, a nut; 1-3, rotor wing; 20. a stepped hole; 21. a bearing bore; 40. a spline hole I; 50. a second spline hole; 60. a first spline shaft; 61. a first connecting seat; 70. a spline shaft II; 71. a second connecting seat; 80. a chute; 81. a first semicircular groove; 91. a second semicircular groove; 1-10, connecting plates; 1-11, a first rack; 1-12 and a second rack; 1-13, a slide block; 1-20, circular ring.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 7, the invention is an unmanned aerial vehicle rotor cutting angle adjusting device, which realizes the adjustment of the rotary cutting angle of the rotor of the unmanned aerial vehicle and the air, realizes the adjustment of the lift force of the unmanned aerial vehicle, has stable lift force, and improves the range of the suspension load of the unmanned aerial vehicle.
Specifically, as shown in fig. 1 to 7, the wind turbine comprises a rotating shaft 1, a housing 2, a rolling bearing 3, a first gear shaft 4, a second gear shaft 5, a first rotating shaft 6, a second rotating shaft 7, a first half cover 8, a second half cover 9, a threaded shaft 1-1, a nut 1-2 and a rotor 1-3, as shown in fig. 1, the upper end of the rotating shaft 1 is connected with the bottom of the housing 2 through a bolt, a stepped hole 20 and a bearing hole 21 are formed in the housing 2, the outer ring of the rolling bearing 3 is connected with the bearing hole 21, a first spline hole 40 is formed in the first gear shaft 4, a second spline hole 50 is formed in the second gear shaft 5, the first rotating shaft 6 is rotatably connected with the stepped hole 20 on one side of the housing 2, a first spline shaft 60 is arranged at one end of the first rotating shaft 6, a first connecting seat 61 is arranged at the other end of the rotating shaft, the first gear shaft 4 is connected with the inner ring of the rolling bearing 3 in the bearing hole 21 on one side of the housing 2, the first spline shaft 60 is connected with the first spline hole 40, the second rotating shaft 7 is rotatably connected with the stepped hole 20 at the other side of the shell 2, as shown in fig. 3, one end of the second rotating shaft 7 is provided with a second spline shaft 70, the other end of the second rotating shaft is provided with a second connecting seat 71, the second gear shaft 5 is connected with an inner ring of the rolling bearing 3 in the bearing hole 21 at the other side of the shell 2, the second spline shaft 70 is connected with the second spline hole 50, the first half cover 8 is connected with the upper end of the shell 2 through a bolt, the second half cover 9 is connected with the upper end of the shell 2 through a bolt, the threaded shaft 1-1 passes through the middle of the first half cover 8 and the second half cover 9, the lower end of the threaded shaft 1-1 is provided with a connecting plate 1-10, one side of the connecting plate 1-10 is provided with a first rack 1-11, the other side is provided with a second rack 1-12, and the first rack 1-11 is meshed with a gear on the first gear shaft 4, the second rack 1-12 is meshed with a gear on the second gear shaft 5, the nut 1-2 is rotatably connected with the first half cover 8 and the second half cover 9 and is simultaneously connected with the threaded shaft 1-1 through a screw pair, two rotary wings 1-3 are arranged, one rotary wing is connected with the first connecting seat 61 through a bolt, and the other rotary wing is connected with the second connecting seat 71 through a bolt.
As shown in fig. 1 and 2, a sliding groove 80 is formed in the inner wall of the first half cover 8, a sliding block 1-13 is arranged on the outer wall of the threaded shaft 1-1, and the sliding block 1-13 can slide in the sliding groove 80.
As shown in fig. 1, 4 and 5, a first semicircular groove 81 is formed in the inner wall of the first half cover 8, a second semicircular groove 91 is formed in the inner wall of the second half cover 9, and the first semicircular groove 81 and the second semicircular groove 91 form a circular groove after the first half cover 8 and the second half cover 9 are installed.
As shown in figure 1, the lower end of the nut 1-2 is provided with a ring 1-20, and the ring 1-20 can rotate in a ring groove.
The following specific working modes are illustrated by specific examples:
the unmanned aerial vehicle rotor cutting angle adjusting device firstly calculates the lift force of the unmanned aerial vehicle according to the weight of the load to be hung on the unmanned aerial vehicle, because the inner wall of the first half cover 8 is provided with the first half slot 81, the inner wall of the second half cover 9 is provided with the second half slot 91, the first half slot 81 and the second half slot 91 form a circular slot after the first half cover 8 and the second half cover 9 are installed, the lower end of the nut 1-2 is provided with the circular ring 1-20, the circular ring 1-20 can rotate in the circular slot, the nut 1-2 is connected with the threaded shaft 1-1 through the screw pair, then the nut 1-2 is manually screwed according to the lift force of the unmanned aerial vehicle, the nut 1-2 can rotate in situ in the circular slot formed by the first half slot 81 and the second half slot 91, and then under the driving of the screw pair, under the guiding effect of the sliding groove 80 on the sliding block 1-13 on the threaded shaft 1-1, the screw shaft 1-1 moves downwards, the screw shaft 1-1 drives the rack I1-11 and the rack II 1-12 connected with the connecting plate 1-10 to move downwards through the connecting plate 1-10 arranged at the lower end, the rack I1-11 drives the gear shaft I4 to rotate clockwise, the rack II 1-12 drives the gear shaft II 5 to rotate anticlockwise, the spline hole I40 is arranged in the gear shaft I4, the spline shaft I60 is arranged at one end of the rotating shaft I6, the connecting seat I61 is arranged at the other end of the rotating shaft I6, the spline hole II 50 is arranged in the gear shaft II 5, the spline shaft II 70 is arranged at one end of the rotating shaft II 7, the connecting seat II 71 is arranged at the other end of the rotating shaft II 7, the rotating wings 1-3 are provided with two rotating shafts, one of the two rotating shafts is connected with the connecting seat I61 through a bolt, the other one of the two rotating shafts is connected with the connecting seat II 71 through a bolt, so that the rotating shaft I4 drives the rotating shaft I6 to drive the rotating wings 1-3 connected with the connecting seat I61 to rotate clockwise The two 5 drive shafts of gear shaft take 1-3 anticlockwise rotations of the rotor of being connected with two 71 of connecting seats, and two corner opposite direction, the size is the same, has realized the adjustment of unmanned aerial vehicle's rotor and the rotatory cutting angle size of air, has realized the adjustment of unmanned aerial vehicle lift, and the lift is stable, has promoted the scope that unmanned aerial vehicle hung the load.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (1)
1. The utility model provides an unmanned aerial vehicle rotor cuts angle adjusting device which characterized in that: the novel rotor comprises a rotating shaft (1), a shell (2), a rolling bearing (3), a first gear shaft (4), a second gear shaft (5), a first rotating shaft (6), a second rotating shaft (7), a first half cover (8), a second half cover (9), a threaded shaft (1-1), a nut (1-2) and a rotor (1-3), wherein the upper end of the rotating shaft (1) is connected with the bottom of the shell (2) through a bolt, a stepped hole (20) and a bearing hole (21) are formed in the shell (2), the outer ring of the rolling bearing (3) is connected with the bearing hole (21), a first spline hole (40) is formed in the first gear shaft (4), a second spline hole (50) is formed in the second gear shaft (5), the first rotating shaft (6) is rotatably connected with the stepped hole (20) on one side of the shell (2), a first spline shaft (60) is arranged at one end of the first rotating shaft (6), and a first connecting seat (61) is arranged at the other end of the rotating shaft, the gear shaft I (4) is connected with an inner ring of a rolling bearing (3) in a bearing hole (21) on one side of the shell (2), a spline shaft I (60) is connected with a spline hole I (40), a rotating shaft II (7) is rotationally connected with a stepped hole (20) on the other side of the shell (2), one end of the rotating shaft II (7) is provided with a spline shaft II (70), the other end of the rotating shaft II (7) is provided with a connecting seat II (71), the gear shaft II (5) is connected with the inner ring of the rolling bearing (3) in the bearing hole (21) on the other side of the shell (2), the spline shaft II (70) is connected with a spline hole II (50), the half cover I (8) is connected with the upper end of the shell (2) through bolts, the half cover II (9) is connected with the upper end of the shell (2) through bolts, the threaded shaft (1-1) penetrates through the middle of the half cover I (8) and the half cover II (9), and a connecting plate (1-10) is arranged at the lower end of the threaded shaft (1-1), one side of the connecting plate (1-10) is provided with a first rack (1-11), the other side of the connecting plate is provided with a second rack (1-12), the first rack (1-11) is meshed with a gear on the first gear shaft (4), the second rack (1-12) is meshed with a gear on the second gear shaft (5), the nut (1-2) is rotatably connected with the first half cover (8) and the second half cover (9) and is simultaneously connected with the threaded shaft (1-1) through a screw pair, two rotary wings (1-3) are arranged, one of the rotary wings is connected with the first connecting seat (61) through a bolt, and the other rotary wing is connected with the second connecting seat (71) through a bolt;
a sliding groove (80) is formed in the inner wall of the first half cover (8), a sliding block (1-13) is arranged on the outer wall of the threaded shaft (1-1), and the sliding block (1-13) can slide in the sliding groove (80);
a first semicircular groove (81) is formed in the inner wall of the first half cover (8), a second semicircular groove (91) is formed in the inner wall of the second half cover (9), and the first semicircular groove (81) and the second semicircular groove (91) form a circular groove after the first half cover (8) and the second half cover (9) are installed;
the lower end of the nut (1-2) is provided with a circular ring (1-20), and the circular ring (1-20) can rotate in a circular ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550698.2A CN108674648B (en) | 2018-05-31 | 2018-05-31 | Unmanned aerial vehicle rotor cutting angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550698.2A CN108674648B (en) | 2018-05-31 | 2018-05-31 | Unmanned aerial vehicle rotor cutting angle adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108674648A CN108674648A (en) | 2018-10-19 |
| CN108674648B true CN108674648B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550698.2A Active CN108674648B (en) | 2018-05-31 | 2018-05-31 | Unmanned aerial vehicle rotor cutting angle adjusting device |
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| Country | Link |
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| CN (1) | CN108674648B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677596B (en) * | 2019-01-29 | 2021-09-28 | 深圳市律远汇智科技有限公司 | Unmanned aerial vehicle device convenient to paddle is changed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB122302A (en) * | 1918-02-21 | 1919-01-23 | John Edward Thompson | Improvements in Aeroplane Propellors. |
| CN104176248A (en) * | 2014-07-16 | 2014-12-03 | 沈阳航空航天大学 | Unmanned aerial vehicle with double engines, four shafts and four rotors |
| CN105129083A (en) * | 2015-08-20 | 2015-12-09 | 何春旺 | Rotor, propeller clamp and aircraft |
| CN205971579U (en) * | 2016-08-16 | 2017-02-22 | 中国矿业大学 | Walking portion that adoption rackwork warp and fire control moving platform who has it |
| CN107971775A (en) * | 2017-10-20 | 2018-05-01 | 芜湖市鸿坤汽车零部件有限公司 | A kind of auto parts and components clamping device |
-
2018
- 2018-05-31 CN CN201810550698.2A patent/CN108674648B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB122302A (en) * | 1918-02-21 | 1919-01-23 | John Edward Thompson | Improvements in Aeroplane Propellors. |
| CN104176248A (en) * | 2014-07-16 | 2014-12-03 | 沈阳航空航天大学 | Unmanned aerial vehicle with double engines, four shafts and four rotors |
| CN105129083A (en) * | 2015-08-20 | 2015-12-09 | 何春旺 | Rotor, propeller clamp and aircraft |
| CN205971579U (en) * | 2016-08-16 | 2017-02-22 | 中国矿业大学 | Walking portion that adoption rackwork warp and fire control moving platform who has it |
| CN107971775A (en) * | 2017-10-20 | 2018-05-01 | 芜湖市鸿坤汽车零部件有限公司 | A kind of auto parts and components clamping device |
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| Publication number | Publication date |
|---|---|
| CN108674648A (en) | 2018-10-19 |
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Effective date of registration: 20240123 Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 241000 Beijing Middle Road, Jiujiang District, Wuhu City, Anhui Province Patentee before: ANHUI POLYTECHNIC University Country or region before: China |