CN113401342A

CN113401342A - Disc type ducted fan wing

Info

Publication number: CN113401342A
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: 2021-09-17
Anticipated expiration: 2041-06-28
Also published as: CN113401342B

Abstract

The invention discloses a disc type ducted fan wing in the field of ducted airplanes, 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 rotatably connected with the adapter plate through an adapter device, 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 the external air flow.

Description

Disc type ducted fan wing

Technical Field

The invention relates to the field of ducted airplanes, in particular to a disc type ducted fan wing.

Background

Compared with an isolated fan with the same diameter, the ducted fan can generate larger lift force, and the fan is annularly arranged in the ducted duct, so that the pneumatic sound of the fan can be prevented from being spread outwards, and the ducted fan is compact in structure and high in safety. The lifting surface and the flight control surface can be used for constructing various small vertical take-off and landing unmanned aerial vehicles.

The wing inclination angle of the prior ducted aircraft is inconvenient to adjust, so that the thrust direction generated by a ducted fan is inconvenient to adjust; the size of air outlet can't be adjusted, leads to the unable regulation of wind pressure, can't deal with the external disturbance air current under the different situation, consequently, to above current situation, the urgent need develops one kind and adjusts the convenience to the direction of thrust, and it is convenient to adjust the wind pressure of air outlet, and external air current disturbs little duct fan wing to overcome not enough in the current practical application, satisfy current demand.

Disclosure of Invention

The invention aims to provide a disc ducted fan wing to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a dish formula 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 is connected with the keysets rotation, the bottom of duct is installed and is used for driving its wobbling pendulous device, pendulous device's left end links to each other with the wing, install wind power device in the duct, wind power device's right side installs the filter screen in the duct, the filter screen passes through the screw and can dismantle with the duct and be connected, the right side of filter screen is installed three bore adjusting device who extends to its outside in the duct.

As a further scheme of the invention: the switching device includes: the rotating shaft is welded at the top of the duct, the left end and the right end of the rotating shaft are respectively connected with the first shaft sleeve in a rotating 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 swing device includes: first free bearing, base, servo motor, first gear, second gear, threaded rod, ball, thread bush and second free bearing, the base rotates with the wing through first free bearing and is connected, install servo motor on the base, install first gear on servo motor's the output shaft, normal running fit's second gear is installed to one side of first gear with it, the second gear is installed on the threaded rod, the threaded rod passes through the bearing and is connected with the base rotation, the thread bush is installed in the outside of threaded rod, the thread bush links to each other with the threaded rod through a plurality of balls, the top of thread bush is passed through the second free bearing and is connected with the bottom rotation of duct.

As a further scheme of the invention: the wind power device comprises: the bearing plate is installed in the connecting ring, a plurality of through holes are evenly 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 installed on the outer side of the duct, a telescopic rod of the hydraulic cylinder extends into the duct and is connected with the pressure ball, the adjusting plate is installed below the pressure ball, a pin shaft is installed at the left end of the adjusting plate and extends into the second shaft sleeve, the pin shaft is rotatably connected with the second shaft sleeve, and a plurality of springs connected with the adjusting plate are installed on the inner wall of the duct.

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

Compared with the prior art, the invention has the beneficial effects that: when the wing of the disc type ducted fan is used, the fan is turned on to generate thrust, the servo motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the second hinged support to swing, and the second hinged support swings to drive the duct to swing, so that the direction of the thrust is favorably adjusted; the hydraulic cylinder drives the pressure ball to move, the pressure ball drives the adjusting plate to swing, 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 ducted 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 the external air flow.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

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

Fig. 3 is a schematic view of a deflection state of the structural diagram of the present invention.

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

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

In the figure: 1-wing, 2-adapter plate, 3-duct, 4-adapter device, 401-rotating shaft, 402-first shaft sleeve, 403-mounting block, 5-swinging device, 501-first hinge seat, 502-base, 503-servo motor, 504-first gear, 505-second gear, 506-threaded rod, 507-ball, 508-threaded sleeve, 509-second hinge seat, 6-wind power device, 601-bearing plate, 602-connecting 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 and 806-pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.

Examples

Referring to fig. 1 to 5, in an embodiment of the present invention, a wing of a disc ducted fan includes a wing 1, an adapter plate 2 is installed on a right side of the wing 1, a duct 3 is installed below the adapter plate 2, the duct 3 is rotatably connected to the adapter plate 2 through an adapter device 4, and the adapter device 4 includes: rotation axis 401, first axle sleeve 402 and installation piece 403, rotation axis 401 welds in the top of duct 3, both ends are rotated with first axle sleeve 402 through the bearing respectively about rotation axis 401, first axle sleeve 402 is fixed mutually with adapter plate 2 through installation piece 403, the bottom of duct 3 is installed and is used for driving its wobbling pendulous device 5, 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: a first hinge seat 501, a base 502, a servo motor 503, a first gear 504, a second gear 505, a threaded rod 506, a ball 507, a threaded sleeve 508 and a second hinge seat 509, the base 502 is rotatably connected with the wing 1 through a first hinge seat 501, a servo motor 503 is installed on the base 502, a first gear 504 is mounted on an output shaft of the servo motor 503, a second gear 505 which is rotatably matched with the first gear 504 is mounted on one side of the first gear 504, the second gear 505 is mounted on a threaded rod 506, the threaded rod 506 is rotatably connected with the base 502 through a bearing, a threaded sleeve 508 is installed on the outer side of the threaded rod 506, the threaded sleeve 508 is connected with the threaded rod 506 through a plurality of balls 507, the top of the threaded sleeve 508 is rotatably connected with the bottom of the duct 3 through a second hinged support 509, a wind power device 6 is installed in the duct 3, and the wind power device 6 comprises: loading board 601, go-between 602, through-hole 603, bolt 604 and fan 605, go-between 602 can dismantle with duct 3 through a plurality of bolts 604 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, fan 605 is installed on the right side of loading board 601, wind power installation 6's right side is installed filter screen 7 in duct 3, filter screen 7 can dismantle with duct 3 through the screw and is connected, three bore adjusting device 8 that extends to its outside is installed in duct 3 on filter screen 7's right side, and is three bore adjusting device 8 is circular equipartition on duct 3, bore adjusting device 8 includes: the hydraulic cylinder 801 is installed on the outer side of the duct 3, an expansion rod of the hydraulic cylinder 801 extends into the duct 3 and is connected with the pressure ball 802, the adjusting plate 803 is installed below the pressure ball 802, the cross section of the adjusting plate 803 is in a one-third arc shape, the pin shaft 806 is installed at the left end of the adjusting plate 803, the pin shaft 806 extends into the second shaft sleeve 805, the pin shaft 806 is rotatably connected with the second shaft sleeve 805, and the springs 804 connected with the adjusting plate 803 are installed on the inner wall of the duct 3. When the ducted type power generation device is used, the fan 605 is turned on to generate thrust, the servo motor 503 drives the first gear 504 to rotate, the first gear 504 rotates to drive the second gear 505 to rotate, the second gear 505 rotates to drive the threaded rod 506 to rotate, the threaded rod 506 rotates to drive the threaded sleeve 508 to move, the threaded sleeve 508 moves to drive the second hinged support 509 to swing, and the second hinged support 509 swings to drive the ducted type 3 to swing, so that the direction of the thrust can be adjusted; the hydraulic cylinder 801 drives the pressure ball 802 to move, the pressure ball 802 moves to drive the adjusting plate 803 to swing, the size of the air outlet is adjusted by the swing of the adjusting plate 803, the air pressure of the air outlet is adjusted, and the influence of external air flow on the air flow at the air outlet of the duct 3 is reduced; foreign matters can be prevented from entering the duct 3 through the filter screen 7.

When the wing of the disc-type ducted fan is used, a fan 605 is opened to generate thrust, the servo motor 503 drives the first gear 504 to rotate, the first gear 504 rotates to drive the second gear 505 to rotate, the second gear 505 rotates to drive the threaded rod 506 to rotate, the threaded rod 506 rotates to drive the threaded sleeve 508 to move, the threaded sleeve 508 moves to drive the second hinged support 509 to swing, and the second hinged support 509 swings to drive the duct 3 to swing, so that the direction of the thrust is favorably adjusted; the hydraulic cylinder 801 drives the pressure ball 802 to move, the pressure ball 802 moves to drive the adjusting plate 803 to swing, the size of the air outlet is adjusted by the swing of the adjusting plate 803, the air pressure of the air outlet is adjusted, and the influence of external air flow on the air flow at the air outlet of the duct 3 is reduced; foreign matters 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 attributes 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. A wing of a disc ducted fan comprises a wing (1) and is characterized in that an adapter plate (2) is arranged on the right side of the wing (1), a duct (3) is arranged below the adapter plate (2), the duct (3) is rotatably connected with the adapter plate (2) through an adapter device (4), the bottom of the duct (3) is provided with a swinging device (5) for driving the duct to swing, the left end of the swinging device (5) is connected with the wing (1), a wind power device (6) is arranged in the duct (3), a filter screen (7) is arranged in the duct (3) at the right side of the wind power device (6), the filter screen (7) is detachably connected with the duct (3) through screws, and three caliber adjusting devices (8) extending to the outside of the filter screen are installed on the right side of the filter screen (7) in the duct (3).

2. The ducted dished fan wing according to claim 1, characterized in that the adapter device (4) comprises: 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) are fixed mutually with keysets (2) through installation piece (403).

3. Dish ducted fan wing in accordance with claim 1, characterized in that the oscillation angle of the duct (3) is 0-20 °.

4. Disc ducted fan wing according to claim 1, characterized in that the oscillating device (5) comprises: the wing-mounted aircraft comprises a first hinged support (501), a base (502), a servo motor (503), a first gear (504), a second gear (505), a threaded rod (506), balls (507), a threaded sleeve (508) and a second hinged support (509), wherein the base (502) is rotatably connected with the wing (1) through the first hinged support (501), the servo motor (503) is mounted on the base (502), the first gear (504) is mounted on an output shaft of the servo motor (503), the second gear (505) in rotary fit with the first gear (504) is mounted on one side of the first gear (504), the second gear (505) is mounted on the threaded rod (506), the threaded rod (506) is rotatably connected with the base (502) through a bearing, the threaded sleeve (508) is mounted on the outer side of the threaded rod (506), and the threaded sleeve (508) is connected with the threaded rod (506) through the balls (507), the top of the threaded sleeve (508) is rotatably connected with the bottom of the duct (3) through a second hinged support (509).

5. Dish ducted fan wing in accordance with claim 1, characterized in that the wind power means (6) comprise: bearing plate (601), go-between (602), through-hole (603), bolt (604) and fan (605), go-between (602) can dismantle with duct (3) through a plurality of bolts (604) and be connected, install bearing plate (601) in go-between (602), the equipartition has a plurality of through-holes (603) on bearing plate (601), fan (605) are installed on the right side of bearing plate (601).

6. Wing for a ducted dish fan according to any of claims 1-5, in which three of said aperture adjusting means (8) are evenly distributed in a circular shape on the duct (3).

7. Disc ducted fan wing according to claim 6, characterized in that the aperture adjustment means (8) comprise: pneumatic cylinder (801), pressure ball (802), regulating plate (803), spring (804), second shaft 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 and links to each other with pressure ball (802) in duct (3), regulating plate (803) is 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 shaft sleeve (805), round pin axle (806) are rotated with second shaft sleeve (805) and are connected, a plurality of spring (804) that link to each other with regulating plate (803) are installed to the inner wall of duct (3).

8. The butterfly ducted fan wing in accordance with claim 7, characterized in that the adjusting plate (803) has a one-third circular arc cross section.