CN113401342B

CN113401342B - Ducted fan wing

Info

Publication number: CN113401342B
Application number: CN202110720641.4A
Authority: CN
Inventors: 曾照亮
Original assignee: Shenzhen Wukong Aircraft Co ltd
Current assignee: Shenzhen Wukong Aircraft Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2023-07-25
Anticipated expiration: 2041-06-28
Also published as: CN113401342A

Abstract

The invention discloses a ducted fan wing in the field of ducted aircrafts, which comprises a wing, wherein an adapter plate is arranged on the right side of the wing, a duct is arranged below the adapter plate, the duct is rotationally connected with the adapter plate through the adapter plate, a swinging device for driving the duct to swing is arranged at the bottom of the duct, the left end of the swinging device is connected with the wing, a wind power device is arranged in the duct, a filter screen is arranged on the right side of the wind power device in the duct, the filter screen is detachably connected with the duct through screws, and three caliber adjusting devices extending to the outside of the filter screen are arranged on the right side of the filter screen in the duct. The invention has the advantages of convenient adjustment of the direction of the thrust, convenient adjustment of the wind pressure of the air outlet and small interference of external airflow.

Description

Ducted fan wing

Technical Field

The invention relates to the field of ducted aircrafts, in particular to a ducted fan wing.

Background

Compared with an isolated fan with the same diameter, the ducted fan can generate larger lifting force, and the fan is enclosed in the duct, so that the outward transmission of the pneumatic sound of the fan can be blocked, and the ducted fan has a compact structure and high safety. The lifting surface and the flight control surface can be used for constructing various small-sized vertical take-off and landing unmanned aircrafts.

The existing ducted aircraft is inconvenient in wing inclination angle adjustment, so that the thrust direction generated by the ducted fan is inconvenient to adjust; the size of the air outlet cannot be adjusted, so that the wind pressure cannot be adjusted, and external interference air flows under different conditions cannot be handled, therefore, aiming at the current situation, the development of a ducted fan wing with convenient adjustment of the direction of thrust force, convenient adjustment of the wind pressure of the air outlet and small external air flow interference is urgently needed, so that the defects in the current practical application are overcome, and the current requirements are met.

Disclosure of Invention

The present invention is directed to a ducted fan wing, which solves the above-mentioned problems.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a duct fan wing, includes the wing, the keysets is installed on the right side of wing, the duct is installed to the below of keysets, the duct passes through switching device and keysets and rotates to be connected, the swing device that is used for driving its wobbling is installed to the bottom of duct, swing device's left end links to each other with the wing, install wind power device in the duct, the filter screen is installed in the duct on wind power device's right side, the filter screen passes through the screw and can dismantle with the duct and be connected, three caliber adjusting device that extends to its outside is installed on the right side of filter screen in the duct.

As a further scheme of the invention: the switching device comprises: the rotary shaft is welded at the top of the duct, the left end and the right end of the rotary shaft are respectively connected with the first shaft sleeve in a rotary mode through bearings, and the first shaft sleeve is fixed with the adapter plate through the mounting block.

As a further scheme of the invention: the swinging angle of the duct is 0-20 degrees.

As a further scheme of the invention: the swinging device includes: the novel wing-shaped wing device comprises a first hinged support, a base, a servo motor, a first gear, a second gear, a threaded rod, balls, a thread bush and a second hinged support, wherein the base is connected with a wing in a rotating mode through the first hinged support, the servo motor is installed on the base, the first gear is installed on an output shaft of the servo motor, the second gear which is in rotating fit with the first gear is installed on one side of the first gear, the second gear is installed on the threaded rod, the threaded rod is connected with the base in a rotating mode through a bearing, the thread bush is installed on the outer side of the threaded rod, the thread bush is connected with the threaded rod through a plurality of balls, and the top of the thread bush is connected with the bottom of the duct in a rotating mode through the second hinged support.

As a further scheme of the invention: the wind power device comprises: the connecting ring is detachably connected with the duct through a plurality of bolts, the bearing plate is installed in the connecting ring, a plurality of through holes are uniformly distributed in the bearing plate, and the fan is installed on the right side of the bearing plate.

As a further scheme of the invention: the three caliber adjusting devices are circularly and uniformly distributed on the duct.

As a further scheme of the invention: the caliber adjusting device comprises: the hydraulic cylinder is arranged on the outer side of the duct, the telescopic rod of the hydraulic cylinder extends into the duct to be connected with the pressure ball, the regulating plate is arranged below the pressure ball, the pin shaft is arranged at the left end of the regulating plate, the pin shaft extends into the second shaft, the pin shaft is rotationally connected with the second shaft, and a plurality of springs connected with the regulating plate are arranged on the inner wall of the duct.

As a further scheme of the invention: the cross section of the adjusting plate is in a third arc shape.

Compared with the prior art, the invention has the beneficial effects that: when the ducted fan wing is used, the fan is opened to generate thrust, the servo motor drives the first gear to rotate, the first gear is driven to rotate to drive the second gear to rotate, the second gear is driven to rotate to drive the threaded rod to rotate, the threaded sleeve is driven to move through the rotation of the threaded rod, the second hinged support is driven to swing through the movement of the threaded sleeve, the ducted swing is driven to swing through the swing of the second hinged support, and the direction of the thrust is adjusted; the pressure ball is driven to move through the hydraulic cylinder, the adjusting plate is driven to swing through the movement of the pressure ball, the size of the air outlet is adjusted through the swing of the adjusting plate, the air pressure of the air outlet is further adjusted, and the influence of external air flow on the air flow of the duct air outlet is reduced; sundries can be prevented from entering the duct through the filter screen. In conclusion, the invention has the advantages of convenient adjustment of the direction of the thrust, convenient adjustment of the wind pressure of the air outlet and small interference of external airflow.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of a partial perspective structure in the present invention.

Fig. 3 is a schematic view of the structure of the present invention in a deflected state.

Fig. 4 is a partial view at a in a schematic structural view of the present invention.

Fig. 5 is a view in the direction B-B in the schematic structural diagram of the present invention.

In the figure: 1-wing, 2-adapter plate, 3-duct, 4-adapter device, 401-rotation shaft, 402-first shaft sleeve, 403-mounting block, 5-swinging device, 501-first hinged support, 502-base, 503-servo motor, 504-first gear, 505-second gear, 506-threaded rod, 507-ball, 508-threaded sleeve, 509-second hinged support, 6-wind power device, 601-bearing plate, 602-connection ring, 603-through hole, 604-bolt, 605-fan, 7-filter screen, 8-caliber adjusting device, 801-hydraulic cylinder, 802-pressure ball, 803-adjusting plate, 804-spring, 805-second shaft sleeve, 806-pin.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In describing embodiments of the present invention, it should be noted that the terms "first," "second," and "third" are used for clarity in describing the numbering of product components and do not represent any substantial distinction unless explicitly stated or defined otherwise. The directions of the upper, the lower, the left and the right are all the directions shown in the drawings. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.

It should be noted that the term "coupled" is to be interpreted broadly, as being able to be coupled directly or indirectly via an intermediary, unless explicitly stated or defined otherwise. The specific meaning of the terms in the embodiments of the invention will be understood by those of ordinary skill in the art in a specific context.

Examples

Referring to fig. 1 to 5, in an embodiment of the present invention, a ducted fan wing includes a wing 1, an adapter plate 2 is installed on the right side of the wing 1, a duct 3 is installed below the adapter plate 2, the duct 3 is rotationally connected with the adapter plate 2 through an adapter device 4, and the adapter device 4 includes: the axis of rotation 401, first axle sleeve 402 and installation piece 403, axis of rotation 401 welds in the top of duct 3, both ends are rotated with first axle sleeve 402 through the bearing respectively about axis of rotation 401 and are connected, first axle sleeve 402 is fixed mutually with keysets 2 through installation piece 403, the pendulous device 5 that is used for driving its wobbling is installed to the bottom of duct 3, the left end of pendulous device 5 links to each other with wing 1, the swing angle of duct 3 is 0-20, pendulous device 5 includes: the wind power generation device comprises a first hinge support 501, a base 502, a servo motor 503, a first gear 504, a second gear 505, a threaded rod 506, balls 507, a thread sleeve 508 and a second hinge support 509, wherein the base 502 is rotationally connected with a wing 1 through the first hinge support 501, the servo motor 503 is installed on the base 502, the first gear 504 is installed on an output shaft of the servo motor 503, a second gear 505 rotationally matched with the first gear 504 is installed on one side of the first gear 504, the second gear 505 is installed on the threaded rod 506, the threaded rod 506 is rotationally connected with the base 502 through a bearing, the thread sleeve 508 is installed on the outer side of the threaded rod 506, the thread sleeve 508 is connected with the threaded rod 506 through a plurality of balls 507, the top of the thread sleeve 508 is rotationally connected with the bottom of a duct 3 through the second hinge support 509, a wind power device 6 is installed in the duct 3, and the wind power device 6 comprises: the utility model provides a loading board 601, go-between 602, through-hole 603, bolt 604 and fan 605, go-between 602 passes through a plurality of bolts 604 and duct 3 can dismantle and be connected, install loading board 601 in the go-between 602, the equipartition has a plurality of through-holes 603 on the loading board 601, the fan 605 is installed on the right side of loading board 601, filter screen 7 is installed on the right side of wind power plant 6 in duct 3, filter screen 7 passes through the screw and can dismantle with duct 3 and be connected, three bore adjusting device 8 that extend to its outside are installed on the right side of filter screen 7 in duct 3, and three bore adjusting device 8 is circular equipartition on duct 3, bore adjusting device 8 includes: the hydraulic cylinder 801, the pressure ball 802, the regulating plate 803, the spring 804, the second sleeve 805 and round pin 806, the outside in duct 3 is installed to the hydraulic cylinder 801, the telescopic link of hydraulic cylinder 801 extends to in the duct 3 and links to each other with the pressure ball 802, the regulating plate 803 is installed to the below of pressure ball 802, the transversal one third circular arc that personally submits of regulating plate 803, round pin axle 806 is installed to the left end of regulating plate 803, round pin axle 806 extends to in the second sleeve 805, round pin axle 806 rotates with the second sleeve 805 to be connected, a plurality of springs 804 that link to each other with regulating plate 803 are installed to the inner wall of duct 3. When the fan 605 is turned on, thrust can be generated, the first gear 504 is driven to rotate through the servo motor 503, the second gear 505 is driven to rotate through the first gear 504, the threaded rod 506 is driven to rotate through the second gear 505, the threaded sleeve 508 is driven to move through the rotation of the threaded rod 506, the second hinged support 509 is driven to swing through the movement of the threaded sleeve 508, the duct 3 is driven to swing through the swing of the second hinged support 509, and the direction of the thrust can be adjusted; the pressure ball 802 is driven to move through the hydraulic cylinder 801, the adjusting plate 803 is driven to swing through the movement of the pressure ball 802, the size of the air outlet is adjusted through the swing of the adjusting plate 803, the air pressure of the air outlet is further adjusted, and the influence of external air flow on the air flow of the air outlet of the duct 3 is reduced; sundries can be prevented from entering the duct 3 through the filter screen 7.

When the ducted fan wing is used, the fan 605 is turned on to generate thrust, the first gear 504 is driven to rotate by the servo motor 503, the second gear 505 is driven to rotate by the first gear 504, the threaded rod 506 is driven to rotate by the second gear 505, the threaded sleeve 508 is driven to move by the rotation of the threaded rod 506, the second hinged support 509 is driven to swing by the movement of the threaded sleeve 508, the ducted 3 is driven to swing by the swing of the second hinged support 509, and the direction of the thrust is adjusted; the pressure ball 802 is driven to move through the hydraulic cylinder 801, the adjusting plate 803 is driven to swing through the movement of the pressure ball 802, the size of the air outlet is adjusted through the swing of the adjusting plate 803, the air pressure of the air outlet is further adjusted, and the influence of external air flow on the air flow of the air outlet of the duct 3 is reduced; sundries can be prevented from entering the duct 3 through the filter screen 7.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a duct fan wing, includes wing (1), its characterized in that, adapter plate (2) are installed on the right side of wing (1), duct (3) are installed to the below of adapter plate (2), duct (3) are connected through adapter device (4) and adapter plate (2) rotation, swing device (5) that are used for driving its wobbling are installed to the bottom of duct (3), the left end of swing device (5) links to each other with wing (1), install wind-force device (6) in duct (3), filter screen (7) are installed in duct (3) on the right side of wind-force device (6), filter screen (7) are connected through screw and duct (3) detachably, three bore adjusting device (8) that extend to its outside are installed in duct (3) on the right side of filter screen (7);

the novel wing-mounted device comprises a first hinge seat (501), a base (502), a servo motor (503), a first gear (504), a second gear (505), a threaded rod (506), balls (507), a thread bush (508) and a second hinge seat (509), wherein the base (502) is rotationally connected with a wing (1) through the first hinge seat (501), the servo motor (503) is installed on the base (502), the first gear (504) is installed on an output shaft of the servo motor (503), a second gear (505) which is rotationally matched with the first gear (504) is installed on one side of the first gear (504), the second gear (505) is installed on the threaded rod (506), the threaded rod (506) is rotationally connected with the base (502) through a bearing, the thread bush (508) is installed on the outer side of the threaded rod (506), the thread bush (508) is connected with the 506 through a plurality of balls (507), and the top of the thread bush (508) is rotationally connected with the bottom of the culvert (3) through the second hinge seat (509).

The three caliber adjusting devices (8) are circularly and uniformly distributed on the duct (3);

the aperture adjusting device (8) comprises: pneumatic cylinder (801), pressure ball (802), regulating plate (803), spring (804), second sleeve (805) and round pin axle (806), the outside in duct (3) is installed in pneumatic cylinder (801), the telescopic link of pneumatic cylinder (801) extends to in duct (3) and links to each other with pressure ball (802), regulating plate (803) are installed to the below of pressure ball (802), round pin axle (806) are installed to the left end of regulating plate (803), round pin axle (806) extend to in second sleeve (805), round pin axle (806) are connected with second sleeve (805) rotation, a plurality of springs (804) that link to each other with regulating plate (803) are installed to the inner wall of duct (3).

2. Ducted fan wing according to claim 1, characterized in that the adapter device (4) comprises: the rotary shaft (401), first axle sleeve (402) and installation piece (403), the top in duct (3) is welded in axis of rotation (401), both ends are rotated through bearing and first axle sleeve (402) respectively about axis of rotation (401), first axle sleeve (402) are fixed with keysets (2) through installation piece (403).

3. Ducted fan wing according to claim 1, characterized in that the angle of oscillation of the duct (3) is 0-20 °.

4. Ducted fan wing according to claim 1, characterized in that the wind power plant (6) comprises: the novel fan comprises a bearing plate (601), a connecting ring (602), through holes (603), bolts (604) and a fan (605), wherein the connecting ring (602) is detachably connected with a duct (3) through a plurality of bolts (604), the bearing plate (601) is installed in the connecting ring (602), a plurality of through holes (603) are uniformly distributed in the bearing plate (601), and the fan (605) is installed on the right side of the bearing plate (601).

5. The ducted fan wing according to claim 1, characterized in that the cross section of the adjusting plate (803) is one third of an arc.