CN205131645U - Conveniently adjust device of thrust bearing - Google Patents
Conveniently adjust device of thrust bearing Download PDFInfo
- Publication number
- CN205131645U CN205131645U CN201520853005.9U CN201520853005U CN205131645U CN 205131645 U CN205131645 U CN 205131645U CN 201520853005 U CN201520853005 U CN 201520853005U CN 205131645 U CN205131645 U CN 205131645U
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- fin
- wing axle
- screw propeller
- screw
- around
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Abstract
The utility model provides a conveniently adjust device of thrust bearing, belongs to aircraft technical field, including fin, screw and support. The fin lies in the top of screw, and the fin includes front vane, back fin and blade axis. Blade axis is parallel with screw rotation plane. Blade axis's front and back both sides are placed respectively in to front vane and back fin, and front vane can wind the nimble commentaries on classics pendulum of blade axis with the back fin under the effect of external force. The power drive screw is rotatory, under the combined action of screw and fin, the device will produce the thrust that orientation and size were adjusted to great convenience, and the size and orientation of thrust can revolve rotational speed and the front vane and contained angle adjust of back fin with the horizontal plane of oar through adjustable screw. This device resistance is less, and efficiency is higher, and lift -to -drag is bigger, and mobility is stronger, is applicable to vertical lift heavy load low -speed aircraft.
Description
Technical field
A device for convenient adjustment thrust direction, belongs to vehicle technology field, particularly relates to a kind of thruster.
Background technology
Traditional wing for aircraft is one piece of integral structure, and can only produce lift and can not produce thrust under the pulling force of driving engine generation or the effect of thrust, the wing that area is less produces lift and raising speed will be leaned on to realize; Traditional Helicopter Main rotor will lean on rotor head to adjust the angle of attack size of blade and state of waving to adjust the direction of lift, complex structure and to produce the efficiency of lift low.The inapplicable heavy-duty low-speed flight of traditional wing, is more not suitable with vertical lift.
Summary of the invention
The object of the invention is the above-mentioned deficiency overcoming traditional wing, invent a kind of device of convenient adjustment thrust direction.
A device for convenient adjustment thrust direction, comprises fin, screw propeller and support.Fin is positioned at the top of screw propeller, and fin comprises front fin, rear fin and wing axle.Wing axle is parallel with screw propeller plane of rotation.Front fin and rear fin are placed in the both sides, front and back of wing axle respectively, can around the flexible switch of wing axle under the effect of front fin and rear fin power outside.Take horizontal surface as benchmark, front fin is no more than 45 ° in the front of wing axle around the maximum angle of the wing axially switch; Front fin is no more than 30 ° at the maximum angle of the front of wing axle switch under the wing is axial; Rear fin is no more than 45 ° at the rear of wing axle around the maximum angle of the wing axially switch; Rear fin is no more than 30 ° at the maximum angle of the rear of wing axle switch under the wing is axial.Screw propeller comprises screw propeller body and prop shaft.Screw propeller body is vertically connected with prop shaft.Prop shaft is arranged on by bearing on the support that is fixed on wing axle.The power of screw propeller is driven to input from the lower end of prop shaft.In order to obtain higher efficiency, front fin and rear fin all level time the chord length of fin and length be all not less than 1.1 times of diameter of propeller; Wing axle is in directly over screw propeller; Screw propeller plane of rotation is in horizontal direction; Wing axle is not less than 1/8th of diameter of propeller to the distance of screw propeller plane of rotation, and is not more than 1/2nd of diameter of propeller.
Described device mode of operation has but is not limited to following three kinds: the first pattern, and front fin is oblique top forward, and rear fin is oblique top backward, and the leading edge of fin and the trailing edge of fin are with high, and power driven screw propeller rotates, and described device can produce thrust upwards; The second pattern, front fin oblique top and rear fin oblique below backward forward, the leading edge of fin is higher than the trailing edge of fin, and power driven screw propeller rotates, and described device can push air to the back lower place, produces the thrust of forward upward; The third pattern, front fin oblique below and rear fin oblique top backward forward, the leading edge of fin is lower than the trailing edge of fin, and power driven screw propeller rotates, and described device can push air to front lower place, produces thrust rearwardly and upwardly.During described device work, under the combined action of screw propeller and fin, according to Newton's second law and the 3rd law, described device will produce the larger thrust facilitating adjustment direction and size, the size and Orientation of thrust can be adjusted by the adjustment rotating speed of screw propeller and the angle of front fin and rear fin and horizontal surface, more high thrust is larger for the rotating speed of screw propeller, otherwise less.Described device is installed and aircraft can be made on board the aircraft to be elevated, to hover, to travel forward or to move backward.The sail area of described device not quite also can produce enough large lift, as long as the rotating speed of screw propeller is enough high, is applicable to heavy-duty low-speed aircraft.Move ahead or rear row time be horizontal due to screw propeller plane of rotation, the resistance that screw propeller is subject to is less.Described plant efficiency is higher, and 1ift-drag ratio is comparatively large, and manoevreability is stronger.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the device of a kind of convenient adjustment thrust direction of the present invention; Fig. 2 is the schematic top plan view of Fig. 1; Fig. 3 is front fin oblique top and rear fin oblique top backward forward, and the leading edge of fin and the trailing edge of fin are with the principle schematic of apparatus of the present invention time high; Fig. 4 be front fin forward oblique top and rear fin backward oblique below time apparatus of the present invention principle schematic; Fig. 5 be front fin forward oblique below and rear fin backward oblique top time apparatus of the present invention principle schematic.
In figure, 1-fin, fin before 11-, fin after 12-, the leading edge of 111-fin, the trailing edge of 122-fin; 2-screw propeller, 21-screw propeller body, 22-prop shaft, the running orbit of 23-propeller tip, 3-support, 4-streamline.In Fig. 4, the hollow arrow in left side represents the working direction of apparatus of the present invention; In Fig. 5, the large dotted arrow on right side represents the direction of retreat of apparatus of the present invention.
Detailed description of the invention
Now by reference to the accompanying drawings the present invention is illustrated: a kind of device of convenient adjustment thrust direction, comprises fin 1, screw propeller 2 and support 3.Fin 1 is positioned at directly over screw propeller 2, and fin 1 comprises front fin 11, rear fin 12 and wing axle 13.Wing axle 13 is parallel with screw propeller 2 plane of rotation.Front fin 11 and rear fin 12 are placed in the both sides, front and back of wing axle 13 respectively, and front fin 11 and rear fin 12 can around wing axle 13 switches flexibly under the effect of external force.Take horizontal surface as benchmark, front fin 11 in the front of wing axle 13 around the maximum angle of wing axle 13 upwards switch be 30 °; Front fin 11 in the front of wing axle 13 around the maximum angle of the downward switch of wing axle 13 be 15 °; Rear fin 12 at the rear of wing axle 13 around the maximum angle of wing axle 13 upwards switch be 30 °; Rear fin 12 at the rear of wing axle 13 around the maximum angle of the downward switch of wing axle 13 be 15 °.Screw propeller 2 comprises screw propeller body 21 and prop shaft 22.Screw propeller body 21 is vertically connected with prop shaft 22.Prop shaft 22 is arranged on by bearing on the support 3 that is fixed on wing axle 13.The power of screw propeller 2 is driven to input from the lower end of prop shaft 22.Front fin 11 and rear fin 12 all level time fin 1 chord length be 1.1 times of diameter of propeller; The length of fin 1 is diameter of propeller 1.2 times; Screw propeller 2 plane of rotation is in horizontal direction; Wing axle 13 is 1/4th of screw propeller 2 diameter to the distance of screw propeller 2 plane of rotation.
Apparatus of the present invention produce beneficial effect like this: as shown in Figure 3, front fin 11 oblique top forward, rear fin 12 oblique top backward, and the leading edge of fin 1 and the trailing edge of fin 1 are with high, and power driven screw propeller 2 rotates, and described device can produce thrust upwards.As shown in Figure 4, front fin 11 oblique top and rear fin 12 oblique below backward forward, the leading edge of fin 1 is higher than the trailing edge of fin 1, power driven screw propeller 2 rotates, described device can push air to the back lower place, produce the thrust of forward upward, the thrust that the proal speed of described device produces sooner is larger, and the thrust of the higher generation of screw propeller 2 rotating speed is larger.As shown in Figure 5, front fin 11 oblique below and rear fin 12 oblique top backward forward, the leading edge of fin 1 is lower than the trailing edge of fin 1, power driven screw propeller 2 rotates, described device can push air to front lower place, produce thrust rearwardly and upwardly, the thrust that the speed that described device retreats produces sooner is larger, and the thrust of the higher generation of screw propeller 2 rotating speed is larger.In sum, during described device work, under the combined action of screw propeller 2 and fin 1, according to Newton's second law and the 3rd law, described device will produce the larger thrust facilitating adjustment direction and size, and the direction of thrust can be adjusted by the angle adjusting front fin 11 and rear fin 12 and horizontal surface, and the size of thrust can be adjusted by the rotating speed of screw propeller 2, more high thrust is larger for the rotating speed of screw propeller 2, otherwise less.Described device is installed and aircraft can be made on board the aircraft to be elevated, to hover, to travel forward or to move backward.Fin 1 area of described device not quite also can produce enough large lift, as long as the rotating speed of screw propeller 2 is enough high, is applicable to heavy-duty low-speed aircraft.Move ahead or rear row time be horizontal due to screw propeller 2 plane of rotation, the resistance that screw propeller 2 is subject to is less.Described plant efficiency is higher, and 1ift-drag ratio is comparatively large, and manoevreability is stronger.
Claims (8)
1. a device for convenient adjustment thrust direction, is characterized in that: comprise fin (1), screw propeller (2) and support (3); Fin (1) is positioned at the top of screw propeller (2), and fin (1) comprises front fin (11), rear fin (12) and wing axle (13); Wing axle (13) is parallel with screw propeller (2) plane of rotation; Front fin (11) and rear fin (12) are placed in the both sides, front and back of wing axle (13) respectively, and front fin (11) and rear fin (12) can around wing axle (13) switches flexibly under the effect of external force; Screw propeller (2) comprises screw propeller body (21) and prop shaft (22); Prop shaft (22) is arranged on by bearing on the support (3) that is fixed on wing axle (13).
2. the device of a kind of convenient adjustment thrust direction according to claim 1, is characterized in that: take horizontal surface as benchmark, and front fin (11) is no more than 45 ° in the front of wing axle (13) around the maximum angle of wing axle (13) upwards switch; Front fin (11) is no more than 30 ° in the front of wing axle (13) around the maximum angle of the downward switch of wing axle (13); Rear fin (12) is no more than 45 ° at the rear of wing axle (13) around the maximum angle of wing axle (13) upwards switch; Rear fin (12) is no more than 30 ° at the rear of wing axle (13) around the maximum angle of the downward switch of wing axle (13).
3. the device of a kind of convenient adjustment thrust direction according to claim 1, is characterized in that: front fin (11) and rear fin (12) all level time fin (1) chord length and length be all not less than 1.1 times of screw propeller (2) diameter.
4. the device of a kind of convenient adjustment thrust direction according to claim 2, is characterized in that: take horizontal surface as benchmark, front fin (11) in the front of wing axle (13) around the maximum angle of wing axle (13) upwards switch be 30 °; Front fin (11) in the front of wing axle (13) around the maximum angle of the downward switch of wing axle (13) be 15 °; Rear fin (12) at the rear of wing axle (13) around the maximum angle of wing axle (13) upwards switch be 30 °; Rear fin (12) at the rear of wing axle (13) around the maximum angle of the downward switch of wing axle (13) be 15 °.
5. the device of a kind of convenient adjustment thrust direction according to claim 1 or 2 or 3 or 4, is characterized in that: wing axle (13) is 1/4th of screw propeller (2) diameter to the distance of screw propeller (2) plane of rotation.
6. the device of a kind of convenient adjustment thrust direction according to claim 1 or 2 or 3 or 4, it is characterized in that: wing axle (13) is not less than 1/8th of screw propeller (2) diameter to the distance of screw propeller (2) plane of rotation, and is not more than 1/2nd of screw propeller (2) diameter.
7. the device of a kind of convenient adjustment thrust direction according to claim 1 or 2 or 3 or 4, is characterized in that: wing axle (13) is in directly over screw propeller (2).
8. the device of a kind of convenient adjustment thrust direction according to claim 1 or 2 or 3 or 4, is characterized in that: screw propeller (2) plane of rotation is in horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520853005.9U CN205131645U (en) | 2015-10-30 | 2015-10-30 | Conveniently adjust device of thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520853005.9U CN205131645U (en) | 2015-10-30 | 2015-10-30 | Conveniently adjust device of thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205131645U true CN205131645U (en) | 2016-04-06 |
Family
ID=55617462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520853005.9U Expired - Fee Related CN205131645U (en) | 2015-10-30 | 2015-10-30 | Conveniently adjust device of thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205131645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197231A (en) * | 2015-10-30 | 2015-12-30 | 佛山市神风航空科技有限公司 | Device with convenience in thrust direction adjustment |
-
2015
- 2015-10-30 CN CN201520853005.9U patent/CN205131645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197231A (en) * | 2015-10-30 | 2015-12-30 | 佛山市神风航空科技有限公司 | Device with convenience in thrust direction adjustment |
| CN105197231B (en) * | 2015-10-30 | 2017-11-07 | 佛山市神风航空科技有限公司 | A kind of device of convenient adjustment thrust direction |
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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: 20160406 Termination date: 20171030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |