CN204846368U - General main -gear box of unmanned helicopter of multimachine type - Google Patents
General main -gear box of unmanned helicopter of multimachine type Download PDFInfo
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- CN204846368U CN204846368U CN201520355296.9U CN201520355296U CN204846368U CN 204846368 U CN204846368 U CN 204846368U CN 201520355296 U CN201520355296 U CN 201520355296U CN 204846368 U CN204846368 U CN 204846368U
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- horizontal transmission
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Abstract
The utility model provides a general main -gear box of unmanned helicopter of multimachine type is become by gear box, final drive shaft, hollow shaft and horizontal transmission shaft equipment make sets, on final drive shaft and hollow shaft assemble the shaft hole of orientation on box lower respectively, fixed mounting final drive helical gear and hollow shaft helical gear respectively on final drive shaft and the hollow shaft, horizontal transmission shaft group comprises the transmission shaft center symmetrical arrangement of 2 -8 root on same horizontal face, and independent fixed mounting has horizontal transmission helical gear on every transmission shaft, horizontal transmission helical gear evenly distributed in the horizontal transmission shaft group around final drive shaft, each gear downside all with the interlock of final drive helical gear, the utility model has the advantages of the transmission simple structure, kind of drive is various, can satisfy single rotor, the coaxial anti - oar bispin wing, the anti - oar bispin wing of vertical row formula, the anti - oar bispin wing of line formula, and the cost is reduced is provided convenience for the aircraft transformation to the spindle drive demand of multiple unmanned aerial vehicle types such as bispin wing tape trailer oar to the aircraft load is not influenced.
Description
Technical field
The utility model, mainly for small-sized depopulated helicopter drive technology field, particularly relates to a kind of special main-gear box technology moving unmanned plane field for small-sized oil.
Background technology
The development of current small-sized depopulated helicopter technology is in the ascendant.The advantage of aerial work is applied in a lot of field.Take photo by plane aerial survey, aerial reconnaissance, emergency management and rescue, line walking stringing especially carries out the prevention and control of plant diseases, pest control at agriculture field, and liberating the productive forces is one of modern important symbol of agrotechnique.
Unmanned plane is of a great variety, comprises single rotor, coaxial anti-oar DCB Specimen, lap siding anti-oar DCB Specimen, the anti-oar DCB Specimen of cross-arranging type, and the structure of depopulated helicopter is primarily of driving engine, main-gear box, frame, rotor component and fly control part formation.
It is all fixing type that all small-sized oil shaping at present moves depopulated helicopter.Divide single rotor, many rotors and combined type etc.The transmission mechanisms and the power take-off shaft that wherein play transmission agency are all man-to-man functional structure with type, (such as single rotor being changed into coaxial anti-oar DCB Specimen) when wanting to improve the form of unmanned plane or transform must changing main-spindle case, not only cost is high, and takes time and effort.
The purpose of this utility model is exactly the depopulated helicopter Universal type main speed all applicatory case of one kind of multiple types of design, fixing type originally can be transformed a little, realize different types of machines.As being transformed into coaxial anti-oar DCB Specimen, lap siding anti-oar DCB Specimen, the anti-oar DCB Specimen of cross-arranging type by single rotor, the different types of machines such as DCB Specimen band tail-rotor, certainly fly control also will change accordingly, compare a kind of type of transformation separately, not only greatly reduce cost, and the transformation comformability selection of unmanned plane when the operation of varying environment situation can be added.
Summary of the invention
The object of the utility model multi-model depopulated helicopter General Main change speed gear box is that various type spindle stock conformation function is single, the problem of transformation inconvenience in order to solve, and provides a kind of main-gear box being applicable to existing different types of machines and using.
To achieve these goals, the technical solution adopted in the utility model utilizes the principle of gear transmission gear shift and the principle of Helical gear Transmission break-in, forms transverse teeth wheels by organizing bevel gear more, controls the horizontal transmission of many group transmission shafts respectively; Then twin shaft independence contrarotation is in the same way realized by hollow shaft configuration.When last spindle stock dynamical axis rotates, drive horizontal multiaxis axle reverse sync to rotate, drive hollow shaft and main shaft reverse sync to rotate.
The utility model multi-model depopulated helicopter General Main change speed gear box assemblies primarily of gear case, main driving axle, hollow shaft and horizontal transmission shaft group; Main driving axle and hollow shaft are assemblied on the axis hole of the vertical direction of gear case respectively, and main driving axle and hollow shaft fixedly mount main gear helical wheel and hollow shaft helical wheel respectively; Horizontal transmission shaft group is arranged symmetrically with by the center transmission shaft of 2-8 root on same athwartship plane and forms, and each transmission shaft is independently installed with horizontal transmission helical wheel; Horizontal transmission helical wheel in horizontal transmission shaft group is evenly distributed on around main driving axle, is all engaged with main gear helical wheel on the downside of each gear; Hollow shaft and main driving axle are installed along same vertical direction, hollow shaft helical wheel be positioned at main gear helical gear directly over, hollow shaft helical wheel is engaged with on the upside of each horizontal transmission helical wheel in horizontal transmission shaft group.
Described main-gear box, the structure of casing on transverse horizontal face with main driving axle axle center for initial point Central Symmetry arrange.
The mouth of described main driving axle, through hollow shaft, to be coordinated with hollow shaft by bearing and installs.
Described main gear helical wheel and the helical gear number of teeth of hollow shaft, modulus are identical with reference diameter.
The helical gear number of teeth of each horizontal transmission in described horizontal transmission shaft group, modulus are identical with reference diameter.
Described horizontal transmission shaft group with the vertical axle center of main driving axle for initial point Central Symmetry arrange.
The beneficial effects of the utility model are: drive structure is simple, type of drive is various, single rotor, coaxial anti-oar DCB Specimen, lap siding anti-oar DCB Specimen, the anti-oar DCB Specimen of cross-arranging type can be met, DCB Specimen band tail-rotor, the spindle demand of the multiple unmanned type of the many rotors of multiaxis, for aircraft transformation is provided convenience, reduce cost, and aircraft load-carrying is unaffected.
Accompanying drawing explanation
Accompanying drawing 1 is the vertical section structure schematic diagram of the utility model spindle stock;
The lateral arrangement figure that accompanying drawing 2 is the utility model horizontal transmission shaft group when being 2 axle;
The lateral arrangement figure that accompanying drawing 3 is the utility model horizontal transmission shaft group when being 4 axle;
The lateral arrangement figure that accompanying drawing 4 is the utility model horizontal transmission shaft group when being 6 axle;
The lateral arrangement figure that accompanying drawing 5 is the utility model horizontal transmission shaft group when being 8 axle;
Accompanying drawing 6 is the application schematic diagram of the utility model on single-rotor helicopter;
Accompanying drawing 7 is the application schematic diagram of the utility model on coaxial double-rotor helicopter;
Accompanying drawing 8 is the application schematic diagram of the utility model on laterally disposed dual rotor type helicopter;
Accompanying drawing 9 is the application schematic diagram of the utility model on tandem rotors helicopter;
Accompanying drawing 10 is the application of the utility model on coaxial flank combined type multirotor helicopter;
In accompanying drawing: gear case 1, main driving axle 2, main gear helical wheel 21, hollow shaft 3, hollow shaft helical wheel 31, horizontal transmission shaft group 4, horizontal transmission helical wheel 41.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in more detail:
By reference to the accompanying drawings shown in 1-5, the utility model multi-model depopulated helicopter General Main change speed gear box assemblies primarily of gear case 1, main driving axle 2, hollow shaft 3 and horizontal transmission shaft group 4; Main driving axle 2 and hollow shaft 3 are assemblied on the axis hole of the vertical direction of gear case 1 respectively, and main driving axle 2 and hollow shaft 3 fixedly mount main gear helical wheel 21 and hollow shaft helical wheel 31 respectively; Horizontal transmission shaft group 4 is arranged symmetrically with by the center transmission shaft of 2-8 root on same athwartship plane and forms, and each transmission shaft is independently installed with horizontal transmission helical wheel 41; Horizontal transmission helical wheel 41 in horizontal transmission shaft group 4 is evenly distributed on around main driving axle 2, is all engaged with main gear helical wheel 21 on the downside of each gear; Hollow shaft 3 and main driving axle 2 are installed along same vertical direction, and hollow shaft helical wheel 31 is positioned at directly over main gear helical wheel 21, and hollow shaft helical wheel 51 is engaged with on the upside of each horizontal transmission helical wheel 41 in horizontal transmission shaft group 4.
The structure of described gear case 1 on transverse horizontal face with main driving axle 2 axle center for initial point Central Symmetry arrange.
The mouth of described main driving axle 2, through hollow shaft 3, to be coordinated with hollow shaft 3 by bearing and installs.
The number of teeth, the modulus of described main gear helical wheel 21 and hollow shaft helical wheel 31 are identical with reference diameter.
The number of teeth, the modulus of each the horizontal transmission helical wheel 41 in described horizontal transmission shaft group 4 are identical with reference diameter.
Described horizontal transmission shaft group 4 is vertically arranged for initial point Central Symmetry in axle center with main driving axle 2.
Embodiment 1
As shown in accompanying drawing 2-5, be respectively the arrangement plan of horizontal transmission shaft group 4 when horizontal transmission shaft group is 2 axles, 4 axles, 6 axles and 8 axle.
Embodiment 2
The application of the utility model on single-rotor helicopter: as shown in Figure 6, utilizes main driving axle 2 to drive lifting airscrew.
Embodiment 3
The application of the utility model on coaxial double-rotor helicopter: as shown in Figure 7, utilizes imput shaft 2 and hollow shaft 3 to drive bilevel lifting airscrew respectively simultaneously.
Embodiment 4
The application of the utility model on laterally disposed dual rotor type helicopter: as shown in Figure 8, utilizes the design of horizontal transmission shaft group 4 to drive the left and right rotor of helicopter.
Embodiment 5
The application of the utility model on tandem rotors helicopter: as shown in Figure 9, longitudinally installs spindle stock, utilizes the design of horizontal transmission shaft group 4 to drive the front and back rotor of helicopter.
Embodiment 6
The application of the utility model on coaxial flank combined type multirotor helicopter: as shown in Figure 10, utilizes imput shaft 2 and hollow shaft 3 to drive bilevel lifting airscrew respectively simultaneously; Utilize horizontal transmission shaft group 4 to drive the both sides rotor of helicopter respectively simultaneously.
Claims (6)
1. a multi-model depopulated helicopter General Main change speed gear box, is characterized in that: assemblied by gear case (1), main driving axle (2), hollow shaft (3) and horizontal transmission shaft group (4); Main driving axle (2) and hollow shaft (3) are assemblied on the axis hole of the vertical direction of gear case (1) respectively, and main driving axle (2) and hollow shaft (3) fixedly mount main gear helical wheel (21) and hollow shaft helical wheel (31) respectively; Horizontal transmission shaft group (4) is arranged symmetrically with by the center transmission shaft of 2-8 root on same athwartship plane and forms, and each transmission shaft is independently installed with horizontal transmission helical wheel (41); Horizontal transmission helical wheel (41) on horizontal transmission shaft group (4) is evenly distributed on main driving axle (2) around, is all engaged with main gear helical wheel (21) on the downside of each gear; Hollow shaft (3) and main driving axle (2) are installed along same vertical direction, hollow shaft helical wheel (51) is positioned at directly over main gear helical wheel (21), and hollow shaft helical wheel (31) is engaged with each horizontal transmission helical wheel (41) upside on horizontal transmission shaft group (4).
2. multi-model depopulated helicopter General Main change speed gear box as claimed in claim 1, is characterized in that: the structure of gear case (1) on transverse horizontal face is that initial point Central Symmetry is arranged with main driving axle (2) axle center.
3. multi-model depopulated helicopter General Main change speed gear box as claimed in claim 1, is characterized in that: the mouth of main driving axle (2), through hollow shaft (3), to be coordinated with hollow shaft (3) by bearing and installs.
4. multi-model depopulated helicopter General Main change speed gear box as claimed in claim 1, is characterized in that: the number of teeth, the modulus of main gear helical wheel (21) and hollow shaft helical wheel (31) are identical with reference diameter.
5. multi-model depopulated helicopter General Main change speed gear box as claimed in claim 1, is characterized in that: the number of teeth, the modulus of each the horizontal transmission helical wheel (41) on horizontal transmission shaft group (4) are identical with reference diameter.
6. multi-model depopulated helicopter General Main change speed gear box as claimed in claim 1, is characterized in that: horizontal transmission shaft group (4) is that initial point Central Symmetry is arranged with the vertical axle center of main driving axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355296.9U CN204846368U (en) | 2015-05-28 | 2015-05-28 | General main -gear box of unmanned helicopter of multimachine type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355296.9U CN204846368U (en) | 2015-05-28 | 2015-05-28 | General main -gear box of unmanned helicopter of multimachine type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204846368U true CN204846368U (en) | 2015-12-09 |
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ID=54736943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520355296.9U Expired - Fee Related CN204846368U (en) | 2015-05-28 | 2015-05-28 | General main -gear box of unmanned helicopter of multimachine type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204846368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438662A (en) * | 2016-11-08 | 2017-02-22 | 芜湖万户航空航天科技有限公司 | Secondary transmission shaft component of unmanned aerial vehicle |
| CN107128483A (en) * | 2017-05-12 | 2017-09-05 | 四川建筑职业技术学院 | Four rotor wing unmanned aerial vehicles and its transmission gear shift structure of a kind of power Redundancy Design |
-
2015
- 2015-05-28 CN CN201520355296.9U patent/CN204846368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438662A (en) * | 2016-11-08 | 2017-02-22 | 芜湖万户航空航天科技有限公司 | Secondary transmission shaft component of unmanned aerial vehicle |
| CN107128483A (en) * | 2017-05-12 | 2017-09-05 | 四川建筑职业技术学院 | Four rotor wing unmanned aerial vehicles and its transmission gear shift structure of a kind of power Redundancy Design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |