CN217754120U

CN217754120U - Unmanned helicopter tail pipe transmission device convenient to deposit

Info

Publication number: CN217754120U
Application number: CN202222186005.0U
Authority: CN
Inventors: 陈罗丹
Original assignee: Zhejiang Xingkong General Aviation Technology Co ltd
Current assignee: Zhejiang Xingkong General Aviation Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-08
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to an unmanned helicopter technical field just discloses an unmanned helicopter tail pipe transmission convenient to deposit, including the tail pipe body, first installation cavity has been seted up to the inside of tail pipe body, the inside difference fixed mounting of first installation cavity has baffle and first motor, the output shaft fixed mounting of first motor has the driving gear, movable mounting has the screw thread post before one side of baffle and one side inner wall that first motor was kept away from to first installation cavity, the outside threaded connection of screw thread post has the movable block, the utility model discloses when the tail pipe was deposited, the connecting plate also can be close to the tail pipe body, and spacing post through connecting plate one end will get into the inside of fixed box, and the motion through telescopic cylinder drives the sliding plate motion, can drive the grafting post during the sliding plate motion and pass through spliced eye and spacing post interconnect to prevent that the connecting plate from removing, also guarantee that the tail oar subassembly can not split when depositing, increase the life of tail oar subassembly.

Description

Unmanned helicopter tail pipe transmission device convenient to deposit

Technical Field

The utility model relates to an unmanned helicopter technical field specifically is an unmanned helicopter tail pipe transmission convenient to deposit.

Background

Helicopters are mainly composed of a body, a lift force (including a rotor wing and a tail rotor), three systems of power and transmission, airborne flight equipment and the like, wherein the rotor wing is generally driven by a turboshaft engine or a piston engine through a mechanical transmission system composed of a transmission shaft, a speed reducer and the like, and can also be driven by a reaction force generated by the air injection of a blade tip, and the helicopter is divided into a conventional helicopter, a tilt rotor aircraft, a high-speed helicopter and a stealth helicopter. According to the size, the helicopter is divided into a light helicopter, a medium helicopter and a heavy helicopter.

With the continuous development of modern science and technology, the technology of the unmanned helicopter is more perfect, the unmanned helicopter has good performance in various industries due to the characteristics of simple structure, convenient operation, high safety and the like, is widely applied to the industries such as agriculture, fire fighting, city management and the like, and simultaneously has a plurality of unmanned helicopter fans, the flight performance of the unmanned helicopter is determined to a great extent by the tail pipe transmission of the unmanned helicopter, so that a plurality of tail pipe transmission devices are born in the market, a common tail rotor is usually connected with a machine body through a tail pipe, the tail pipe is long and is of a fixed structure, the occupied area is large, the tail rotor is difficult to store, and the service life of the tail rotor is easy to reduce due to the long distance between the tail rotor and the machine body during storage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned helicopter tail pipe transmission convenient to deposit to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a following technical scheme: the utility model provides an unmanned helicopter tail pipe transmission convenient to deposit, includes the tail pipe body, first installation cavity has been seted up to the inside of tail pipe body, the inside difference fixed mounting of first installation cavity has baffle and first motor, the output shaft fixed mounting of first motor has the driving gear, movable mounting has the screw thread post before one side of baffle and one side inner wall that first motor was kept away from to first installation cavity, the outside threaded connection of screw thread post has the movable block, adjacent two fixed mounting has flexible post before the movable block, the one end of flexible post runs through tail pipe body and fixed mounting has the connecting plate, the one end fixed mounting that the connecting plate is close to the tail pipe body has spacing post, the other end fixed mounting of connecting plate has the tail oar subassembly, the outside edge fixed mounting of tail pipe body has fixed case, the inside of fixed case has seted up the second installation cavity, the inner wall difference fixed mounting of second installation cavity has flexible cylinder and sliding column, the output shaft fixed mounting of flexible cylinder has the sliding plate, the one end fixed mounting of sliding plate has the grafting post.

Preferably, the inside movable mounting of first installation cavity has the rotation post, the outside of rotation post is fixed mounting respectively has second driven gear and third driven gear, the meshing is connected between third driven gear and the driving gear.

Preferably, one end of the threaded column penetrates through the partition plate and is fixedly provided with a first driven gear, and the first driven gear is in meshed connection with the second driven gear.

Preferably, the tail pipe body is internally provided with a connecting through hole matched with the telescopic column in a penetrating manner, and each moving block is connected with the adjacent side of the inner wall of the first installation cavity in a sliding manner.

Preferably, the sliding plate penetrates through the sliding column, and a sliding through hole matched with the sliding plate is formed in the inner wall of the fixed box.

Preferably, the inside of the limiting column is provided with a plug hole in a penetrating manner, and the plug column is movably connected with the plug hole.

Advantageous effects

Compared with the prior art, the utility model provides an unmanned helicopter tail pipe transmission convenient to deposit possesses following beneficial effect:

1. this unmanned helicopter tail pipe transmission convenient to deposit, the work through first motor drives the driving gear and rotates, the driving gear can drive third driven gear when rotating and rotate, and the equal fixed mounting of third driven gear and second driven gear is in the outside of rotating the post, second driven gear also will rotate like this, and drive first driven gear and rotate, thereby it rotates to drive the screw thread post, can drive flexible post motion through the movable block when the screw thread post rotates, can drive the motion of tail oar subassembly through the connecting plate during flexible post motion like this, reach the distance that gets into first installation cavity through flexible post and prevent the tail pipe overlength, be difficult for the problem of depositing.

2. This unmanned helicopter tail pipe transmission convenient to deposit, when the tail pipe was deposited, the connecting plate also can be close to the tail pipe body, and spacing post through connecting plate one end will get into the inside of fixed case, and the motion through telescopic cylinder drives the sliding plate motion, can drive the spliced pole during the sliding plate motion and pass through spliced eye and spacing post interconnect to prevent that the connecting plate from removing, also guarantee that the tail rotor subassembly can not split when depositing, increase the life of tail rotor subassembly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the tail pipe body of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a front sectional view of the fixing box of the present invention.

In the figure: 1. a tail pipe body; 2. a fixed box; 3. a telescopic column; 4. a connecting plate; 5. a limiting column; 6. a tail rotor assembly; 7. a first motor; 8. a partition plate; 9. a threaded post; 10. a moving block; 11. a first driven gear; 12. a driving gear; 13. rotating the column; 14. a second driven gear; 15. a third driven gear; 16. inserting holes; 17. a telescopic cylinder; 18. a sliding plate; 19. inserting the column; 20. a sliding post; 21. a slide through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, a tail pipe transmission device of an unmanned helicopter convenient to store comprises a tail pipe body 1, a first installation cavity is formed in the tail pipe body 1, a partition plate 8 and a first motor 7 are respectively and fixedly installed in the first installation cavity, a driving gear 12 is fixedly installed on an output shaft of the first motor 7, a threaded column 9 is movably installed in front of the inner wall of one side of the partition plate 8, which is far away from the first motor 7, of the first installation cavity, a moving block 10 is connected to the outer side of the threaded column 9 in a threaded manner, a telescopic column 3 is fixedly installed in front of two adjacent moving blocks 10, one end of the telescopic column 3 penetrates through the tail pipe body 1 and is fixedly installed with a connecting plate 4, a limiting column 5 is fixedly installed at one end, which is close to the tail pipe body 1, of the connecting plate 4, and a tail rotor assembly 6 is fixedly installed at the other end of the connecting plate 4.

In this embodiment, the rotating column 13 is movably installed inside the first installation cavity, the second driven gear 14 and the third driven gear 15 are respectively and fixedly installed on the outer side of the rotating column 13, and the third driven gear 15 is in meshed connection with the driving gear 12.

In this embodiment, one end of the threaded column 9 penetrates through the partition plate 8 and is fixedly provided with a first driven gear 11, and the first driven gear 11 is in meshed connection with a second driven gear 14.

In this embodiment, tail pipe body 1's inside run through set up with flexible post 3 assorted connect the through hole, and every movable block 10 all with first installation intracavity wall sliding connection with first installation intracavity wall adjacent side.

The working principle of the embodiment is as follows: during the use, work through first motor 7 drives driving gear 12 and rotates, driving gear 12 can drive third driven gear 15 when rotating and rotate, and third driven gear 15 and the equal fixed mounting of second driven gear 14 are in the outside of rotating post 13, second driven gear 14 also will rotate like this, and drive first driven gear 11 and rotate, thereby it rotates to drive screw post 9, can drive flexible post 3 motion through movable block 10 when screw post 9 rotates, can drive the motion of tail-rotor subassembly 6 through connecting plate 4 during 3 motions of flexible post like this, reach the distance that gets into first installation cavity through flexible post 3 and prevent the tail pipe overlength, the problem of being difficult for depositing.

The second embodiment:

referring to fig. 1 and 4, the tail pipe transmission device of the unmanned helicopter convenient to store comprises a tail pipe body 1, wherein a fixed box 2 is fixedly installed at the edge of the outer side of the tail pipe body 1, a second installation cavity is formed in the fixed box 2, a telescopic cylinder 17 and a sliding column 20 are fixedly installed on the inner wall of the second installation cavity respectively, a sliding plate 18 is fixedly installed at the output end of the telescopic cylinder 17, and an insertion column 19 is fixedly installed at one end of the sliding plate 18.

In this embodiment, the sliding plate 18 passes through the sliding column 20, and the inner wall of the fixed box 2 is provided with a sliding through hole 21 matched with the sliding plate 18.

In this embodiment, the inner portion of the limiting column 5 is provided with a plugging hole 16, and the plugging column 19 is movably connected with the plugging hole 16.

The working principle of the embodiment is as follows: when the tail pipe is deposited, connecting plate 4 also can be close to tail pipe body 1, and the inside of fixed case 2 will be got into to the spacing post 5 of 4 one ends of connecting plate like this, and the motion through telescopic cylinder 17 drives the motion of sliding plate 18, can drive plug-in post 19 when sliding plate 18 moves and pass through spliced eye 16 and spacing post 5 interconnect to prevent that connecting plate 4 from removing, also guarantee that tail rotor subassembly 6 can not split when depositing, increase tail rotor subassembly 6's life.

Claims

1. The utility model provides an unmanned helicopter tail pipe transmission convenient to deposit, includes tail pipe body (1), its characterized in that: the tail pipe comprises a tail pipe body (1), and is characterized in that a first installation cavity is formed in the tail pipe body (1), a partition plate (8) and a first motor (7) are fixedly installed in the first installation cavity respectively, a driving gear (12) is fixedly installed on an output shaft of the first motor (7), a threaded column (9) is movably installed in one side of the partition plate (8) and the first installation cavity before the inner wall of one side of the first motor (7) is far away from the inner wall of the first motor, a moving block (10) is connected with the outer side of the threaded column (9) in a threaded mode, two adjacent moving blocks (10) are fixedly installed with a telescopic column (3) in advance, one end of the telescopic column (3) penetrates through the tail pipe body (1) and is fixedly installed with a connecting plate (4), a limiting column (5) is fixedly installed at one end, close to the tail pipe body (1), a tail paddle component (6) is fixedly installed at the other end of the connecting plate (4), a fixed box (2) is fixedly installed at the outer side edge of the tail pipe body (1), a second installation cavity is formed in the fixed box (2), a telescopic cylinder (17) is fixedly installed on the inner wall of the second installation cavity, a telescopic cylinder (17) and one end of a sliding plate (18) is inserted into the sliding plate (18).

2. The unmanned helicopter tailpipe transmission that facilitates storage according to claim 1, wherein: the inside movable mounting of first installation cavity has rotation post (13), the outside of rotating post (13) is fixed mounting respectively has second driven gear (14) and third driven gear (15), meshing connection between third driven gear (15) and driving gear (12).

3. The unmanned helicopter tailpipe transmission that facilitates storage according to claim 2, wherein: one end of the threaded column (9) penetrates through the partition plate (8) and is fixedly provided with a first driven gear (11), and the first driven gear (11) is in meshed connection with a second driven gear (14).

4. The unmanned helicopter tailpipe transmission that facilitates storage according to claim 1, wherein: the tail pipe comprises a tail pipe body (1), wherein the tail pipe body is provided with a telescopic column (3) which is provided with a connecting through hole in a penetrating mode, and each moving block (10) is connected with the inner wall of the first installation cavity in a sliding mode.

5. The unmanned helicopter tailpipe transmission that facilitates storage according to claim 1, wherein: the sliding plate (18) penetrates through the sliding column (20), and a sliding through hole (21) matched with the sliding plate (18) is formed in the inner wall of the fixed box (2).

6. The unmanned helicopter tailpipe transmission that facilitates storage according to claim 1, wherein: the inside of spacing post (5) runs through and has seted up spliced eye (16), spliced eye (16) swing joint are connected with spliced eye (19).