CN110608266A - Unmanned aerial vehicle dual output second grade gearbox - Google Patents
Unmanned aerial vehicle dual output second grade gearbox Download PDFInfo
- Publication number
- CN110608266A CN110608266A CN201910816138.1A CN201910816138A CN110608266A CN 110608266 A CN110608266 A CN 110608266A CN 201910816138 A CN201910816138 A CN 201910816138A CN 110608266 A CN110608266 A CN 110608266A
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- China
- Prior art keywords
- output
- gear
- aerial vehicle
- unmanned aerial
- input
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gear Transmission (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model provides an unmanned aerial vehicle dual output second grade gearbox includes shell and the transmission portion of a plurality of installation in the shell, the transmission portion includes the input part, the first output portion of being connected with unmanned aerial vehicle rotor main shaft, connect the first regulation part between input part and first output portion, the second output portion with unmanned aerial vehicle tail shaft connection, connect the second connecting portion between first output portion and second output portion, the rotational speed of input portion transmits first output portion after the second deceleration through first connecting portion, the rotational speed of first output portion transmits the second output portion after twice acceleration of second connecting portion. According to the double-output two-stage gearbox of the unmanned aerial vehicle, the transmission ratio is reduced through two-stage speed change, the transmission stability can be effectively improved, the size of the gear can be reduced, the size of the reduction gearbox is reduced, the contact ratio is increased compared with that of a straight bevel gear by adopting the reversing of the spiral bevel gear, the impact is reduced, the transmission stability is improved, the service life is prolonged, and the noise is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of unmanned aerial vehicle equipment, in particular to a double-output two-stage gearbox of an unmanned aerial vehicle.
[ background of the invention ]
The unmanned aerial vehicle reducing gear box is the important subassembly of unmanned aerial vehicle transmission system, and it is installed and is played the effect of matching rotational speed and transmission torque between engine and main rotor and the tail rotor. The prior art is mostly one-level speed reduction, and one-level reducing gear box drive ratio is big, leads to the transmission not stable enough, and drive gear is great makes the reduction gear volume great, consequently is not conform to the lightweight requirement of unmanned aerial vehicle. In addition, the existing primary reduction box mostly adopts a straight bevel gear, the contact is small, but the impact is large, the transmission stability is low, and the noise is large.
Therefore, the reduction gearbox which is strong in stability and meets the requirement of unmanned aerial vehicle on light weight is a problem which needs to be solved urgently in the field.
[ summary of the invention ]
Aiming at the problems, the double-output two-stage gearbox of the unmanned aerial vehicle reduces the transmission ratio through two-stage speed change, can effectively improve the transmission stability, can reduce the size of a gear so as to reduce the size of a reduction gearbox, adopts the reversing of the spiral bevel gear, increases the contact ratio compared with a straight bevel gear, lightens the impact, improves the transmission stability and prolongs the service life, and reduces the noise.
In order to solve the problems, the unmanned aerial vehicle dual-output two-stage gearbox comprises a shell and a plurality of transmission parts arranged in the shell, wherein each transmission part comprises an input part, a first output part connected with a rotor main shaft of an unmanned aerial vehicle, a first adjusting part connected between the input part and the first output part, a second output part connected with a tail shaft of the unmanned aerial vehicle, and a second connecting part connected between the first output part and the second output part, the rotating speed of the input part is transmitted to the first output part after being secondarily decelerated through the first connecting part, and the rotating speed of the first output part is transmitted to the second output part after being secondarily accelerated through the second connecting part.
Furthermore, the input part comprises an input shaft, an input gear arranged on the input shaft, and a first check ring sleeved on the input shaft and used for fixing and limiting the input gear.
Further, the input shaft is horizontally arranged, and the input gear is a spiral bevel gear.
Furthermore, the first output part comprises a first output shaft vertically installed inside the housing, a first bearing sleeved on the first output shaft, and a first output gear integrally formed with the first output shaft, and the first output part is installed inside the housing through the first bearing, so that the first output shaft and the first output gear can rotate relative to the housing.
Further, first regulation portion includes that vertical installation is at the inside first pivot of shell, install the first reversing gear on first pivot top, install the first speed governing gear in first pivot middle part, install the second bearing at first pivot end, and first speed governing gear and first output gear mesh, first regulation portion passes through the second bearing and installs inside the shell.
Further, the input part comprises an input gear, the first reversing gear is a spiral bevel gear and is meshed with the input gear, the tooth pitches of the first reversing gear and the input gear are equal, and the number of teeth of the input gear is less than that of the teeth of the first reversing gear.
Further, the first output part comprises a first output gear, the pitch of the first speed regulating gear is equal to that of the first output gear, and the number of teeth of the first speed regulating gear is less than that of the first output gear.
Furthermore, the second output part comprises a second output shaft horizontally arranged in the shell, a second output gear arranged on the second output shaft, and a second retaining ring sleeved on the second output shaft, and the second output gear is fixedly arranged on the second output shaft through the limiting of the second retaining ring.
Furthermore, the second connecting portion include a second rotating shaft vertically installed inside the housing, a second reversing gear installed at the top of the second rotating shaft, a second speed regulating gear installed in the middle of the second rotating shaft, and a third bearing installed at the bottom of the second rotating shaft.
Further, the second connecting portion includes second speed governing gear and second switching-over gear, first output includes first output gear, the second output includes second output gear, and second speed governing gear equals with the tooth pitch of first output gear, and the number of teeth of second speed governing gear is less than the number of teeth of first output gear, and the tooth pitch of second switching-over gear and second output gear equals, and the number of teeth of second output gear is less than the number of teeth of second switching-over gear.
In addition, the double-output two-stage gearbox of the unmanned aerial vehicle reduces the transmission ratio through two-stage speed change, can effectively improve the transmission stability, can reduce the size of a gear so as to reduce the size of a reduction gearbox, adopts the reversing of the spiral bevel gear, increases the contact ratio compared with a straight bevel gear, reduces the impact, improves the transmission stability, prolongs the service life and reduces the noise.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a dual-output two-stage gearbox of an unmanned aerial vehicle.
[ detailed description ] embodiments
The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used to explain and illustrate the present invention, but not to limit the scope of the present invention.
Referring to fig. 1, a composition structure of the dual-output two-stage gearbox of the unmanned aerial vehicle of the invention is provided, which comprises a housing (not shown) and a plurality of transmission parts installed in the housing, wherein the transmission parts comprise an input part 1, a first output part 2 connected with a rotor main shaft (not shown) of the unmanned aerial vehicle, a first adjusting part 3 connected between the input part 1 and the first output part 2, a second output part 4 connected with a tail shaft (not shown) of the unmanned aerial vehicle, and a second connecting part 5 connected between the first output part 2 and the second output part 4. The input part 1 comprises an input shaft 101 connected with an engine rotating shaft (not shown), an input gear 102 installed on the input shaft 101, and a first retainer ring 103 sleeved on the input shaft and used for fixing and limiting the input gear, wherein the input shaft 101 is horizontally installed, the input gear 102 is a spiral bevel gear, and the engine rotating shaft drives the input shaft 101 to rotate so that the input gear 102 rotates along with the input shaft. The first output part 2 comprises a first output shaft 201 vertically installed inside the housing, a first bearing 202 sleeved on the first output shaft 201, and a first output gear 203 integrally formed with the first output shaft 201, and the first output part 2 is installed inside the housing through the first bearing 202, so that the first output shaft 201 and the first output gear 203 can rotate relative to the housing. Wherein the first adjusting part 3 comprises a first rotating shaft 301 vertically installed inside the housing, a first reversing gear 302 installed at the top end of the first rotating shaft 301, a first speed regulating gear 303 installed in the middle of the first rotating shaft 301, and a second bearing 304 installed at the tail end of the first rotating shaft 301, the first speed regulating gear 303 is engaged with the first output gear 203, the first adjusting part 3 is installed inside the housing through the second bearing 304, the input gear 102 rotates to drive the first reversing gear 302 to rotate, the rotating direction is changed through the first reversing gear 302, the first reversing gear 302 drives the first speed regulating gear 303 to rotate, the first reversing gear 302 is a spiral bevel gear and is engaged with the input gear 102, the tooth pitch of the first reversing gear 302 and the tooth pitch of the input gear 102 are equal, the tooth number of the input gear 102 is less than the tooth number of the first reversing gear 302, the linear speed of the first reversing gear 302 is equal, and therefore the rotating speed of the first reversing gear, therefore, the purpose of first speed reduction is achieved, the tooth pitches of the first speed regulating gear 303 and the first output gear 203 are equal, the number of teeth of the first speed regulating gear 303 is less than that of the first output gear 203, the first speed regulating gear 303 drives the first output gear 203 to rotate, the linear speeds of the first output gear and the first output gear are the same, and therefore the rotating speed of the first output gear 203 is less than that of the first speed regulating gear 303, and the purpose of second speed reduction is achieved. The second output part 4 comprises a second output shaft 401 horizontally installed in the housing, a second output gear 402 installed on the second output shaft 401, and a second retainer 403 sleeved on the second output shaft 401, wherein the second output gear 402 is fixed on the second output shaft 401 through the position limitation of the second retainer 403. Wherein the second connecting part 5 comprises a second rotating shaft 501 vertically installed inside the housing, a second reversing gear 502 installed on the top of the second rotating shaft 501, a second speed regulating gear 503 installed in the middle of the second rotating shaft 501, and a third bearing 504 installed at the bottom of the second rotating shaft 501, the second connecting part 5 is rotatably connected with the housing through the third bearing 504, the second reversing gear 502 is a spiral bevel gear and is meshed with the second output gear 402, the second speed regulating gear 503 is meshed with the first output gear 203, the first output gear 203 drives the second speed regulating gear 503 to rotate, the second speed regulating gear 503 drives the second reversing gear 502 and the second output shaft 501 to rotate, so as to drive the tail shaft of the unmanned aerial vehicle to rotate, because the rotating speed of the tail shaft of the unmanned aerial vehicle is higher than that of the rotor main shaft of the unmanned aerial vehicle, the pitch of the second speed regulating gear 503 is equal to that of the first output gear 203, and the number of teeth of the second speed regulating gear 503 is less than that of the first output, the linear speeds of the first and second speed-regulating gears are equal, the rotating speed of the second speed-regulating gear 503 is greater than the rotating speed of the first output gear 203, so that the first acceleration is achieved, the tooth pitches of the second reversing gear 502 and the second output gear 402 are equal, the number of teeth of the second output gear 402 is less than that of the second reversing gear 502, and the linear speeds of the first and second speed-regulating gears are equal, so that the rotating speed of the second output gear 402 is higher than that of the second reversing gear 502, and the second acceleration is achieved. According to the double-output two-stage gearbox of the unmanned aerial vehicle, the transmission ratio is reduced through two-stage speed change, the transmission stability can be effectively improved, the size of the gear can be reduced, the size of the reduction gearbox is reduced, the contact ratio is increased compared with that of a straight bevel gear by adopting the reversing of the spiral bevel gear, the impact is reduced, the transmission stability is improved, the service life is prolonged, and the noise is reduced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an unmanned aerial vehicle dual output secondary transmission, a serial communication port, unmanned aerial vehicle dual output secondary transmission includes shell and the transmission portion of a plurality of installation in the shell, transmission portion includes input portion (1), first output (2) of being connected with unmanned aerial vehicle rotor main shaft, connect first regulation portion (3) between input portion (1) and first output (2), second output (4) with unmanned aerial vehicle tail shaft is connected, connect second connecting portion (5) between first output (2) and second output (4), the rotational speed of input portion (1) transmits first output (2) after slowing down through first connecting portion secondary, the rotational speed of first output (2) transmits second output (4) after twice of second connecting portion (5) are accelerated.
2. The unmanned aerial vehicle dual-output two-stage gearbox of claim 1, wherein the input portion (1) comprises an input shaft (101), an input gear (102) mounted on the input shaft (101), and a first retainer ring (103) sleeved on the input shaft and used for fixing and limiting the input gear.
3. The twin output two-stage gearbox of unmanned aerial vehicle as claimed in claim 2, wherein the input shaft (101) is mounted horizontally and the input gear (102) is a spiral bevel gear.
4. The unmanned aerial vehicle dual-output two-stage gearbox of claim 1, wherein the first output part (2) comprises a first output shaft (201) vertically installed inside the housing, a first bearing (202) sleeved on the first output shaft (201), and a first output gear (203) integrally formed with the first output shaft (201), and the first output part (2) is installed inside the housing through the first bearing (202) so that the first output shaft (201) and the first output gear (203) can rotate relative to the housing.
5. The unmanned aerial vehicle dual-output two-stage gearbox of claim 1, wherein the first adjusting portion (3) comprises a first rotating shaft (301) vertically installed inside the shell, a first reversing gear (302) installed at the top end of the first rotating shaft (301), a first speed regulating gear (303) installed in the middle of the first rotating shaft (301), and a second bearing (304) installed at the tail end of the first rotating shaft (301), the first speed regulating gear (303) is meshed with the first output gear (203), and the first adjusting portion (3) is installed inside the shell through the second bearing (304).
6. The twin output two-stage gearbox of an unmanned aerial vehicle according to claim 5, wherein the input (1) comprises an input gear (102), the first reversing gear (302) is a spiral bevel gear and meshes with the input gear (102) with the same pitch, and the number of teeth of the input gear (102) is less than the number of teeth of the first reversing gear (302).
7. The twin output two-stage gearbox of unmanned aerial vehicle according to claim 5, wherein the first output (2) comprises a first output gear (203), the first speed gear (303) is equidistant from the first output gear (203), and the number of teeth of the first speed gear (303) is less than the number of teeth of the first output gear (203).
8. The twin-output two-stage gearbox of unmanned aerial vehicle as claimed in claim 1, wherein the second output part (4) comprises a second output shaft (401) horizontally installed in the housing, a second output gear (402) installed on the second output shaft (401), and a second retainer ring (403) sleeved on the second output shaft (401), and the second output gear (402) is fixed and installed on the second output shaft (401) through the position limitation of the second retainer ring (403).
9. The twin-output two-stage gearbox of unmanned aerial vehicle as claimed in claim 1, wherein the second connecting part (5) comprises a second rotating shaft (501) vertically installed inside the housing, a second reversing gear (502) installed on the top of the second rotating shaft (501), a second speed regulating gear (503) installed in the middle of the second rotating shaft (501), and a third bearing (504) installed at the bottom of the second rotating shaft (501).
10. The twin output two-stage gearbox of unmanned aerial vehicle according to claim 1, wherein the second connection portion comprises a second speed gear (503) and a second reversing gear (502), the first output portion (2) comprises a first output gear (203), the second output portion (4) comprises a second output gear (402), the second speed gear (503) has a pitch equal to that of the first output gear (203), the number of teeth of the second speed gear (503) is less than that of the first output gear (203), the second reversing gear (502) has a pitch equal to that of the second output gear (402), and the number of teeth of the second output gear (402) is less than that of the second reversing gear (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816138.1A CN110608266A (en) | 2019-08-30 | 2019-08-30 | Unmanned aerial vehicle dual output second grade gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816138.1A CN110608266A (en) | 2019-08-30 | 2019-08-30 | Unmanned aerial vehicle dual output second grade gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN110608266A true CN110608266A (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910816138.1A Pending CN110608266A (en) | 2019-08-30 | 2019-08-30 | Unmanned aerial vehicle dual output second grade gearbox |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203939932U (en) * | 2014-06-23 | 2014-11-12 | 深圳市高士通科技有限公司 | The T-shaped secondary gear reducing transmission structure of depopulated helicopter |
| CN208364691U (en) * | 2018-04-02 | 2019-01-11 | 桂林欣新机械有限公司 | A kind of dedicated speed reducer of flour mill |
| CN109533312A (en) * | 2018-11-15 | 2019-03-29 | 中国直升机设计研究所 | A kind of transmission device that verts that engine is fixed |
| CN109911218A (en) * | 2019-03-13 | 2019-06-21 | 南京灵龙旋翼无人机系统研究院有限公司 | A kind of multiple-input and multiple-output dynamical system and control method for rotary-wing aircraft |
| CN210770046U (en) * | 2019-08-30 | 2020-06-16 | 南京利剑无人机科技有限公司 | Unmanned aerial vehicle dual output second grade gearbox |
-
2019
- 2019-08-30 CN CN201910816138.1A patent/CN110608266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203939932U (en) * | 2014-06-23 | 2014-11-12 | 深圳市高士通科技有限公司 | The T-shaped secondary gear reducing transmission structure of depopulated helicopter |
| CN208364691U (en) * | 2018-04-02 | 2019-01-11 | 桂林欣新机械有限公司 | A kind of dedicated speed reducer of flour mill |
| CN109533312A (en) * | 2018-11-15 | 2019-03-29 | 中国直升机设计研究所 | A kind of transmission device that verts that engine is fixed |
| CN109911218A (en) * | 2019-03-13 | 2019-06-21 | 南京灵龙旋翼无人机系统研究院有限公司 | A kind of multiple-input and multiple-output dynamical system and control method for rotary-wing aircraft |
| CN210770046U (en) * | 2019-08-30 | 2020-06-16 | 南京利剑无人机科技有限公司 | Unmanned aerial vehicle dual output second grade gearbox |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230414 Address after: 210000 building 12-537, 29 buyue Road, Qiaolin street, Pukou District, Nanjing City, Jiangsu Province Applicant after: Nanjing aerospace Guoqi Intelligent Equipment Co.,Ltd. Address before: 211800 floor 4, block B, hatching Eagle building, No. 99, Tuanjie Road, yanchuang Park, Jiangbei new area, Nanjing, Jiangsu Province Applicant before: NANJING LIJIAN UNMANNED PLANE TECHNOLOGY Co.,Ltd. Applicant before: NANJING GUOQI INTELLIGENT EQUIPMENT Co.,Ltd. |
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