CN204956920U - Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter - Google Patents
Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter Download PDFInfo
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- CN204956920U CN204956920U CN201520752555.1U CN201520752555U CN204956920U CN 204956920 U CN204956920 U CN 204956920U CN 201520752555 U CN201520752555 U CN 201520752555U CN 204956920 U CN204956920 U CN 204956920U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
The utility model provides an unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter, transmission and cooling system include engine (3), the output shaft of engine is equipped with one -level belt pulley (4), main shaft (7) of main oar (1) are equipped with spindle drive belt pulley (6) and second grade driving belt wheel (8), second grade transmission follow -up pulley (10) is established in the drive shaft of radiator fan (11), the hub connection of this drive shaft and generator (12), this epaxial tertiary transmission owner belt pulley (13) that still is equipped with, the water cooling system of engine (3) includes input/output pipeline (18) and air -cooled water tank radiator (17), and establish under radiator fan (11) air -cooled water tank radiator (17). The utility model discloses a transmission structure but also the very big weight that has lightened transmission structure had not only been simplified to new and effective synchronous belt transmission mode, had also saved the machine oil weight that the box speed change mechanism of gear need add, under same transmission power and efficiency, this transmission structure weight loss 30% -40%.
Description
Technical field
The utility model relates to unmanned air vehicle technique field, specifically a kind of depopulated helicopter transmission and cooling system and be provided with its depopulated helicopter.
Background technology
Depopulated helicopter is a kind of by radio robot or the not man-carrying aircraft that driven by programming control autopilot facility, in recent years along with the raising of unmanned air vehicle technique, application obtains larger expansion, is also widely used with external civil area except military.
The driving of depopulated helicopter mainly comprises main rotor and tail rotor two parts, and main rotor, by propeller blade High Rotation Speed in atmosphere, constantly pushes large quantity of air downwards and backward, thus produces propulsive force upwards and forward, thus drives it to fly; And tail rotor is located at the afterbody side of unmanned plane, be mainly used in regulating turning in unmanned helicopter flight process.
Tradition depopulated helicopter transmission adopt be speed-changing gear box transmission, this structure bulky, and complex structure, in the unmanned plane housing that space is relatively narrow assembling bring higher difficulty, virtually improve the productive costs of unmanned plane.Be unfavorable for that little, the lightweight unmanned plane of volume is produced.Simultaneously traditional unmanned plane is because adopt air natural cooling, and relative cooling performance is poor, during the broiling summer can not long-time stable work during air themperature height.
Utility model content
The weak point that the utility model exists in order to avoid prior art, provides a kind of depopulated helicopter transmission and cooling system and is provided with its depopulated helicopter.
The utility model technical solution problem adopts following technical scheme:
A kind of depopulated helicopter driving system, its constructional feature is: comprise the driving engine being located at body head, the output shaft of described driving engine is provided with one-level belt pulley, the main shaft driving main oar to rotate is provided with spindle belt pulley and secondary transmission belt pulley, described main oar is by primary transmission belt and one-level belt pulley, spindle belt pulley drives and connects to drive it to rotate, described secondary transmission belt pulley is driven with secondary transmission flower wheel by secondary transmission belt and is connected, described secondary transmission flower wheel is connected on the axle of electrical generator, the axle of described electrical generator is also provided with three grades of transmission main pulleys, described three grades of transmission main pulleys are driven with three grades of transmission flower wheels by three grades of drive belts and are connected, described three grades of transmission flower wheels are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller.
The utility model asks to protect a kind of depopulated helicopter transmission and cooling system simultaneously, its constructional feature is, comprise the driving engine being located at body head, the output shaft of described driving engine is provided with one-level belt pulley, the main shaft driving main oar to rotate is provided with spindle belt pulley and secondary transmission belt pulley, described main oar is by primary transmission belt and one-level belt pulley, spindle belt pulley drives and connects to drive it to rotate, described secondary transmission belt pulley is driven with secondary transmission flower wheel by secondary transmission belt and is connected, described secondary transmission flower wheel is located on the main shaft of radiator fan, the main shaft of described radiator fan is connected with the axle of electrical generator simultaneously, the axle of described electrical generator is also provided with three grades of transmission main pulleys, described three grades of transmission main pulleys are driven with three grades of transmission flower wheels by three grades of drive belts and are connected, described three grades of transmission flower wheels are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller, described driving engine is provided with hydrologic cycle cooling system, and the input and output channel of described hydrologic cycle cooling system is corresponding with the input and output of air-cooled radiator of water tank to be connected, and described air-cooled radiator of water tank is located at immediately below radiator fan.
The utility model asks to protect a kind of depopulated helicopter simultaneously, comprises helicopter body, and its constructional feature is, described helicopter body is provided with depopulated helicopter transmission according to claim 2 and cooling system.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model has abandoned the complicated heavy gear change box structure of traditional depopulated helicopter, adopt new and effective synchronous belt drive mode, not only simplify drive mechanism but also alleviate the weight of drive mechanism greatly, the speed-changing mechanism also eliminating gear-box type needs the machine oil weight of adding, under same transmitted power and efficiency, this drive mechanism weight saving 30%-40%.
2, air-cooled radiator of water tank is located at the below of secondary transmission by the utility model cooling system, by the force-air cooling fan below secondary transmission, effective cooling is carried out to radiator-water box, this cooling system takes full advantage of the finite space in unmanned plane housing, make unmanned plane layout compacter, also improve the radiating effect of driving engine simultaneously, make depopulated helicopter during the broiling summer also can long-term stable operation.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Number in the figure: the input and output channel of 1 main oar, 2 bodies, 3 driving engines, 4 one-level belt pulleys, 5 primary transmission belts, 6 spindle belt pulleys, 7 main shafts, 8 secondary transmission main pulley 9. secondary transmission belt 10. secondary transmission flower wheels, 11 radiator fans, 12 electrical generators, 13 3 grades of transmission main pulleys, 14 3 grades of drive belts, 15 3 grades of transmission flower wheels, 16 tail screw propellers, 17 air-cooled radiator of water tank, 18 hydrologic cycle cooling systems.
By detailed description of the invention, explanation is further explained to technical solutions of the utility model below in conjunction with accompanying drawing.
Detailed description of the invention
As shown in Figure 1, a kind of depopulated helicopter driving system, comprise the driving engine 3 being located at body 2 head, the output shaft of driving engine is provided with one-level belt pulley 4, the main shaft 7 driving main oar 1 to rotate is provided with spindle belt pulley 6 and secondary transmission belt pulley 8, main oar 1 is by primary transmission belt 5 and one-level belt pulley 4, spindle belt pulley 6 drives and connects to drive it to rotate, secondary transmission belt pulley 8 is driven with secondary transmission flower wheel 10 by secondary transmission belt 9 and is connected, secondary transmission flower wheel 10 is connected on the axle of electrical generator 12, the axle of electrical generator 12 is also provided with three grades of transmission main pulleys 13, three grades of transmission main pulleys 13 are driven with three grades of transmission flower wheels 15 by three grades of drive belts and are connected, three grades of transmission flower wheels 15 are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller.
Equally as shown in Figure 1, for being provided with the depopulated helicopter of transmission and cooling system, wherein transmission and hydrologic cycle cooling system comprise the driving engine 3 being located at body 2 head, the output shaft of driving engine is provided with one-level belt pulley 4, the main shaft 7 driving main oar 1 to rotate is provided with spindle belt pulley 6 and secondary transmission belt pulley 8, main oar 1 is by primary transmission belt 5 and one-level belt pulley 4, spindle belt pulley 6 drives and connects to drive it to rotate, secondary transmission belt pulley 8 is driven with secondary transmission flower wheel 10 by secondary transmission belt 9 and is connected, secondary transmission flower wheel 10 is located on the main shaft of radiator fan 11, the main shaft of described radiator fan is connected with the axle of electrical generator 12 simultaneously, the axle of electrical generator 12 is also provided with three grades of transmission main pulleys 13, three grades of transmission main pulleys 13 are driven with three grades of transmission flower wheels 15 by three grades of drive belts and are connected, three grades of transmission flower wheels 15 are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller, driving engine 3 is provided with hydrologic cycle cooling system, and the input and output channel 18 of water circulation cooling is corresponding with the input and output of air-cooled radiator of water tank 17 to be connected, and described air-cooled radiator of water tank 17 is located at immediately below radiator fan 11.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. a depopulated helicopter driving system, it is characterized in that, comprise the driving engine (3) being located at body (2) head, the output shaft of described driving engine is provided with one-level belt pulley (4), the main shaft (7) driving main oar (1) to rotate is provided with spindle belt pulley (6) and secondary transmission belt pulley (8), described main oar (1) is by primary transmission belt (5) and one-level belt pulley (4), spindle belt pulley (6) drives and connects to drive it to rotate, described secondary transmission belt pulley (8) to be driven with secondary transmission flower wheel (10) by secondary transmission belt (9) and is connected, described secondary transmission flower wheel (10) is connected on the axle of electrical generator (12), the axle of described electrical generator (12) is also provided with three grades of transmission main pulleys (13), described three grades of transmission main pulleys (13) to be driven with three grades of transmission flower wheels (15) by three grades of drive belts and are connected, described three grades of transmission flower wheels (15) are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller.
2. a depopulated helicopter transmission and cooling system, it is characterized in that, comprise the driving engine (3) being located at body (2) head, the output shaft of described driving engine is provided with one-level belt pulley (4), the main shaft (7) driving main oar (1) to rotate is provided with spindle belt pulley (6) and secondary transmission belt pulley (8), described main oar (1) is by primary transmission belt (5) and one-level belt pulley (4), spindle belt pulley (6) drives and connects to drive it to rotate, described secondary transmission belt pulley (8) to be driven with secondary transmission flower wheel (10) by secondary transmission belt (9) and is connected, described secondary transmission flower wheel (10) is located on the main shaft of radiator fan (11), the main shaft of described radiator fan is connected with the axle of electrical generator (12) simultaneously, the axle of described electrical generator (12) is also provided with three grades of transmission main pulleys (13), described three grades of transmission main pulleys (13) to be driven with three grades of transmission flower wheels (15) by three grades of drive belts and are connected, described three grades of transmission flower wheels (15) are connected on the axle drive shaft of tail screw propeller, rotate for driving tail screw propeller, described driving engine (3) is provided with hydrologic cycle cooling system, the input and output channel (18) of described hydrologic cycle cooling system is corresponding with the input and output of air-cooled radiator of water tank (17) to be connected, and described air-cooled radiator of water tank (17) is located at immediately below radiator fan (11).
3. a depopulated helicopter, comprises helicopter body, it is characterized in that, described helicopter body is provided with depopulated helicopter transmission according to claim 2 and cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752555.1U CN204956920U (en) | 2015-09-24 | 2015-09-24 | Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752555.1U CN204956920U (en) | 2015-09-24 | 2015-09-24 | Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter |
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|---|---|
| CN204956920U true CN204956920U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520752555.1U Active CN204956920U (en) | 2015-09-24 | 2015-09-24 | Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499495A (en) * | 2016-11-08 | 2017-03-15 | 芜湖万户航空航天科技有限公司 | Depopulated helicopter cooling structure for engine |
| CN108016613A (en) * | 2017-12-25 | 2018-05-11 | 西安冰果智能航空科技有限公司 | A kind of dynamic displacement quadrotor unmanned plane of small-sized oil |
| CN108561515A (en) * | 2018-07-16 | 2018-09-21 | 飞瑞航空科技（江苏）有限公司 | A kind of unmanned plane power drive mechanism |
-
2015
- 2015-09-24 CN CN201520752555.1U patent/CN204956920U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499495A (en) * | 2016-11-08 | 2017-03-15 | 芜湖万户航空航天科技有限公司 | Depopulated helicopter cooling structure for engine |
| CN108016613A (en) * | 2017-12-25 | 2018-05-11 | 西安冰果智能航空科技有限公司 | A kind of dynamic displacement quadrotor unmanned plane of small-sized oil |
| CN108561515A (en) * | 2018-07-16 | 2018-09-21 | 飞瑞航空科技（江苏）有限公司 | A kind of unmanned plane power drive mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |