CN218258740U

CN218258740U - Power external member of unmanned helicopter

Info

Publication number: CN218258740U
Application number: CN202222155305.2U
Authority: CN
Inventors: 刘佳
Original assignee: Zhuhai Jiwei Technology Co ltd
Current assignee: Zhuhai Jiwei Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-01-10
Anticipated expiration: 2032-08-16

Abstract

The utility model relates to an unmanned helicopter technical field specifically is an unmanned helicopter's power external member, including unmanned helicopter fuselage, engine body, shaft coupling and reduction gear, interior installation cavity has been seted up to the bottom of unmanned helicopter fuselage, the inside slidable mounting of interior installation cavity has the rectangle installation frame, four apex angle departments in the bottom of rectangle installation frame all install the connecting rod, four groups the bed plate is installed to the bottom of connecting rod, the top of bed plate is provided with the mounting panel. The utility model discloses the power external member that will constitute by engine body, transmission shaft, shaft coupling and fixed plate sets up in the top of mounting panel, through installation intracavity portion including rectangle installation frame slidable mounting for the power external member can follow the rectangle installation frame and realize the lift effect including installation intracavity portion, makes the power external member expose from unmanned helicopter fuselage lower extreme with rectangle installation frame downstream along interior installation intracavity, and the maintenance and the dismantlement of the engine body of being convenient for are changed.

Description

Power external member of unmanned helicopter

Technical Field

The utility model relates to an unmanned helicopter technical field specifically is an unmanned helicopter's power external member.

Background

The unmanned helicopter is a vertical take-off and landing unmanned aircraft flying by radio ground remote control or autonomous control, belongs to a rotor aircraft in structural form, and belongs to a vertical take-off and landing aircraft in function, and the unmanned helicopter has unique flight performance and use value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power external member of unmanned helicopter convenient to engine mounting dismantles.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power external member of unmanned helicopter, including the unmanned helicopter fuselage, the engine body, shaft coupling and reduction gear, interior installation cavity has been seted up to the bottom of unmanned helicopter fuselage, the inside slidable mounting of interior installation cavity has the rectangle installation frame, four apex angle departments in the bottom of rectangle installation frame all install the connecting rod, the bed plate is installed to the bottom of four group's connecting rods, the top of bed plate is provided with the mounting panel, the engine body is installed in the upper surface of mounting panel, one side that the upper surface of mounting panel is located the engine body rotates through the mount pad and installs the transmission shaft, the transmission is provided with the shaft coupling between the tip of transmission shaft and the output end of engine body, the fixed plate is installed through the horizontal pole in the below of rectangle installation frame, one side fixed mounting of fixed plate has the reduction gear, be provided with synchronous pulley group between the input shaft and the transmission shaft of reduction gear, and be connected through synchronous pulley group transmission between the input shaft of reduction gear.

It can be seen by the above-mentioned scheme that this device will be by the engine body, the transmission shaft, the power external member that shaft coupling and fixed plate are constituteed sets up in the top of mounting panel, installation cavity inside including through rectangle installation frame slidable mounting for the power external member can be followed the inside lift effect that realizes of installation cavity including the rectangle installation frame, make the engine body expose from unmanned helicopter fuselage lower extreme through along interior installation cavity with rectangle installation frame downstream, be convenient for the maintenance and the dismantlement change of engine body, the trouble of traditional unmanned helicopter need decompose the organism when overhauing or changing the engine has been avoided.

In this embodiment, the sliding guide rail is fixedly installed on the upper surface of the base plate, the sliding seat is slidably installed above the sliding guide rail, and the mounting plate is fixedly installed at the upper end portion of the sliding seat.

It is thus clear that by above-mentioned scheme, moving down the engine body and exposing the back from interior installation cavity port, through twisting fastening bolt from the surface of bed plate, can remove the mounting panel from one side of bed plate under the sliding fit effect of sliding guide and sliding seat and stretch out, be convenient for remove the engine body from rectangle installation frame and bed plate and stretch out to the space of letting out engine body top, the installation and the dismantlement of the engine body of being convenient for.

In this embodiment, the surface of mounting panel is located one side symmetry of engine body and is provided with two sets of fastening bolt, and the tip of two sets of fastening bolt all runs through to the below of mounting panel and with the screw hole threaded connection that the bed plate upper surface corresponds.

According to the scheme, the fastening bolt is screwed in the threaded hole in the upper surface of the base plate, so that the fastening effect on the mounting plate can be realized, and the mounting plate can be prevented from sliding randomly when not needed.

In this embodiment, the bottom of unmanned helicopter fuselage and the department that corresponds of interior installation cavity port have seted up the block notch, and the bottom plate that matches with the corresponding block of block notch is installed to the bottom of bed plate, and the bottom plate passes through the screw fixation in the inside of the block notch.

It is thus clear that by above-mentioned scheme, when the installation, slide to shift up with the bed plate and push to inside the installation cavity, the bottom plate board will be blocked into to the block notch inside simultaneously, can install the fastening of bottom plate board inside the block notch through the screw, realizes the installation of power external member.

In this embodiment, the both sides fixed mounting of engine body has the installation foot, and the installation foot all passes through the upper surface of screw fixation in the mounting panel.

According to the scheme, the mounting feet are mounted on the two sides of the engine body, the mounting feet are tightly mounted on the surface of the mounting plate through screws, the engine body can be fixedly mounted, and the engine body can be detached from the surface of the mounting plate only by detaching the screws.

In this embodiment, the spacing groove has been seted up to the both sides inner wall symmetry of interior installation cavity, and the bilateral symmetry of rectangle installation frame is provided with the side channel, and two sets of side channel insides all rotate and install the gyro wheel, and two sets of gyro wheels correspond spacing block in spacing inslot portion.

It is thus clear that by above-mentioned scheme, when rectangle installation frame slided from top to bottom along interior installation cavity inside, because the gyro wheel card can play certain spacing effect at the spacing inslot portion, avoided rectangle installation frame excessively to move down and deviate from interior installation cavity inside, the gyro wheel can take place to roll simultaneously for rectangle installation frame reciprocates more smoothly stably.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device arranges a power kit consisting of an engine body, a transmission shaft, a coupler and a fixed plate above a mounting plate, and the power kit is slidably mounted in an inner mounting cavity through a rectangular mounting frame, so that the power kit can realize a lifting effect in the inner mounting cavity along with the rectangular mounting frame;

2. this device is moving down engine body and is exposing the back from interior installation cavity port down, and through twisting fastening bolt from the surface of bed plate, can remove the mounting panel from one side of bed plate under the sliding fit effect of sliding guide and sliding seat and stretch out, be convenient for remove engine body from rectangle installation frame and bed plate and stretch out to give away the space of engine body top, the installation and the dismantlement of the engine body of being convenient for.

Drawings

FIG. 1 is a perspective view of the whole structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the inner installation cavity of the present invention;

FIG. 3 is a schematic view of a partial structure of the surface of the base plate according to the present invention;

fig. 4 is a second schematic view of the local structure of the surface of the base plate according to the present invention.

In the figure: 1. an unmanned helicopter fuselage; 101. an inner mounting cavity; 102. clamping the notch; 103. a limiting groove; 2. a rectangular mounting frame; 201. a side groove; 202. a roller; 3. a connecting rod; 4. a base plate; 401. a sliding guide rail; 402. a sliding seat; 403. a bottom pallet; 5. mounting a plate; 501. fastening a bolt; 6. an engine body; 601. mounting a foot; 7. a drive shaft; 701. a synchronous pulley group; 8. a coupling; 9. a fixing plate; 10. and a speed reducer.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a power kit of an unmanned helicopter comprises an unmanned helicopter body 1, an engine body 6, a coupler 8 and a speed reducer 10, wherein an inner installation cavity 101 is formed in the bottom of the unmanned helicopter body 1, a rectangular installation frame 2 is slidably installed in the inner installation cavity 101, four vertex angles of the bottom of the rectangular installation frame 2 are respectively provided with a connecting rod 3, the bottom ends of four groups of connecting rods 3 are provided with a base plate 4, an installation plate 5 is arranged above the base plate 4, the engine body 6 is installed on the upper surface of the installation plate 5, the upper surface of the installation plate 5 is positioned on one side of the engine body 6 and is rotatably provided with a transmission shaft 7 through an installation seat, the coupler 8 is arranged between the end part of the transmission shaft 7 and the output end part of the engine body 6 in a transmission manner, a fixing plate 9 is installed below the rectangular installation frame 2 through a cross rod, the speed reducer 10 is fixedly installed on one side of the fixing plate 9, a wheel set 701 is arranged between an input shaft of the speed reducer 10 and the transmission shaft 7, and the input shaft of the speed reducer 10 is in a synchronous belt 701 in a transmission manner through a wheel set 701, and the synchronous belt 701 is in a transmission connection through a synchronous belt 701;

according to the device, a power kit consisting of an engine body 6, a transmission shaft 7, a coupler 8 and a fixing plate 9 is arranged above a mounting plate 5 and is slidably mounted inside an inner mounting cavity 101 through a rectangular mounting frame 2, so that the power kit can realize a lifting effect inside the inner mounting cavity 101 along with the rectangular mounting frame 2, the engine body 6 is exposed from the lower end of the unmanned helicopter body 1 by moving the rectangular mounting frame 2 downwards along the inner mounting cavity 101, the engine body 6 is convenient to overhaul, dismantle and replace, and the trouble that the engine body needs to be disassembled and disassembled when the engine is overhauled or replaced by a traditional unmanned helicopter is avoided;

specifically, a sliding guide rail 401 is fixedly mounted on the upper surface of the base plate 4, a sliding seat 402 is slidably mounted above the sliding guide rail 401, the mounting plate 5 is fixedly mounted at the upper end of the sliding seat 402, after the engine body 6 is moved downwards and exposed from the lower port of the inner mounting cavity 101, the mounting plate 5 can be moved and extended from one side of the base plate 4 under the sliding cooperation action of the sliding guide rail 401 and the sliding seat 402 by screwing the fastening bolt 501 from the surface of the base plate 4, so that the engine body 6 can be conveniently moved and extended from the rectangular mounting frame 2 and the base plate 4, a space above the engine body 6 is made available, and the engine body 6 can be conveniently mounted and dismounted;

specifically, two sets of fastening bolts 501 are symmetrically arranged on one side, located on the engine body 6, of the surface of the mounting plate 5, the end portions of the two sets of fastening bolts 501 penetrate through the lower portion of the mounting plate 5 and are in threaded connection with threaded holes corresponding to the upper surface of the base plate 4, the fastening bolts 501 are screwed in the threaded holes in the upper surface of the base plate 4, the fastening effect on the mounting plate 5 can be achieved, and the mounting plate 5 can be prevented from sliding randomly when not needed;

specifically, a clamping notch 102 is formed in the bottom of the unmanned helicopter body 1 corresponding to a lower port of the inner mounting cavity 101, a bottom supporting plate 403 which is correspondingly clamped and matched with the clamping notch 102 is mounted at the bottom of the base plate 4, the bottom supporting plate 403 is fixed inside the clamping notch 102 through screws, when the unmanned helicopter is mounted, the base plate 4 slides upwards to be pushed into the inner mounting cavity 101, meanwhile, the bottom supporting plate 403 is clamped inside the clamping notch 102, and the bottom supporting plate 403 can be tightly mounted inside the clamping notch 102 through screws, so that the power kit is mounted;

specifically, the mounting feet 601 are fixedly mounted on two sides of the engine body 6, the mounting feet 601 are fixed on the upper surface of the mounting plate 5 through screws, the engine body 6 can be fixedly mounted by mounting the mounting feet 601 on two sides of the engine body 6 and tightly mounting the mounting feet 601 on the surface of the mounting plate 5 through screws, and the engine body 6 can be detached from the surface of the mounting plate 5 only by detaching the screws;

specifically, spacing groove 103 has been seted up to the both sides inner wall symmetry of interior installation cavity 101, the bilateral symmetry of rectangle installation frame 2 is provided with side channel 201, two sets of side channel 201 are inside all to rotate and to install gyro wheel 202, and two sets of gyro wheels 202 correspond spacing block in spacing groove 103 inside, when rectangle installation frame 2 slides from top to bottom along interior installation cavity 101 inside, because gyro wheel 202 card is inside at spacing groove 103, certain spacing effect can be played, avoid rectangle installation frame 2 to excessively move down and deviate from interior installation cavity 101 inside, gyro wheel 202 can take place the roll simultaneously, make more smooth stable that rectangle installation frame 2 reciprocated.

The working principle is as follows: in the device, an engine body 6, a transmission shaft 7, a coupler 8 and a fixing plate 9 can form a power assembly, a bottom pushing bottom supporting plate 403 is arranged at the bottom, a rectangular mounting frame 2 is moved upwards to the topmost part of an inner mounting cavity 101, meanwhile, the bottom supporting plate 403 can be clamped into a clamping notch 102, the bottom supporting plate 403 is fastened in the clamping notch 102 through screws, the power assembly can be mounted, when the engine body 6 needs to be overhauled, the screws for fixing the bottom supporting plate 403 are screwed down, the rectangular mounting frame 2 can slide downwards along the inner mounting cavity 101 to the lowest end, at the moment, the whole power assembly is exposed from the lower port of the inner mounting cavity 101, a fastening bolt 501 is screwed down, under the sliding fit action of a sliding guide rail 401 and a sliding seat 402, the mounting plate 5 can be pushed to one side, the engine body 6 can move and extend out from the rectangular mounting frame 2 and the rectangular mounting plate 4, the space above the engine body 6 can be made out, the screw on a mounting foot 601 is screwed down, the disassembly of the engine body 6 can be realized, the trouble that the engine body needs to be disassembled when an engine is overhauled or replaced by a traditional unmanned helicopter is avoided, meanwhile, the trouble that the output end of the coupler 6 can be driven by a speed reducer with the transmission shaft 701, the transmission shaft of the propeller of the transmission shaft 7 can be driven by a speed reducer 10, and the transmission shaft of the transmission shaft can be driven by the transmission shaft, and the speed reducer, the speed reducer can be driven by the synchronous belt 10, and the synchronous belt 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 power external member of unmanned helicopter, includes unmanned helicopter fuselage (1), engine body (6), shaft coupling (8) and reduction gear (10), its characterized in that: interior installation cavity (101) have been seted up to the bottom of unmanned helicopter fuselage (1), interior installation cavity (101) inside slidable mounting has rectangle installation frame (2), connecting rod (3), four groups are all installed to four apex angle departments in the bottom of rectangle installation frame (2) bed plate (4) are installed to the bottom of connecting rod (3), the top of bed plate (4) is provided with mounting panel (5), install in the upper surface of mounting panel (5) engine body (6), the transmission is provided with shaft coupling (8) between the tip of transmission shaft (7) and the output end of engine body (6) through the mount pad rotation in one side that the upper surface of mounting panel (5) is located engine body (6), fixed plate (9) are installed through the horizontal pole in the below of rectangle installation frame (2), one side fixed mounting of fixed plate (9) has reduction gear (10), be provided with between the input shaft of reduction gear (10) and transmission shaft (7) and drive connection through hold-in range wheelset (701) transmission, and pass through hold-in range (701) drive connection between the input shaft of reduction gear (10) and transmission shaft (7).

2. The power kit of an unmanned helicopter of claim 1, further comprising: fixed surface installs sliding guide (401) on bed plate (4), sliding guide (401) top slidable mounting has sliding seat (402), mounting panel (5) fixed mounting is in the upper end of sliding seat (402).

3. The power pack for an unmanned helicopter of claim 2, wherein: the surface of mounting panel (5) is located one side symmetry of engine body (6) and is provided with two sets of fastening bolt (501), and the tip of two sets of fastening bolt (501) all runs through to the below of mounting panel (5) and with the screw hole threaded connection that bedplate (4) upper surface corresponds.

4. The power pack for an unmanned helicopter of claim 1, wherein: the bottom of unmanned helicopter fuselage (1) and the corresponding department of interior installation cavity (101) lower port have seted up block notch (102), bottom plate (403) that correspond the block and match with block notch (102) are installed to the bottom of bed plate (4), and inside bottom plate (403) passed through the screw fixation in block notch (102).

5. The power kit of an unmanned helicopter of claim 1, further comprising: the engine body (6) is fixedly provided with mounting feet (601) at two sides, and the mounting feet (601) are fixed on the upper surface of the mounting plate (5) through screws.

6. The power pack for an unmanned helicopter of claim 1, wherein: spacing groove (103) have been seted up to the both sides inner wall symmetry of interior installation cavity (101), the bilateral symmetry of rectangle installation frame (2) is provided with side channel (201), and is two sets of side channel (201) inside all rotates installs gyro wheel (202), and two sets of gyro wheel (202) correspond spacing block in spacing groove (103) inside.