CN210822782U

CN210822782U - Helicopter

Info

Publication number: CN210822782U
Application number: CN201921340723.0U
Authority: CN
Inventors: 翟占超; 姚聪
Original assignee: Zhuhai Frontier Intelligent Drive Technology Co ltd
Current assignee: Zhuhai Frontier Intelligent Drive Technology Co ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-06-23
Anticipated expiration: 2029-08-17

Abstract

The utility model provides a helicopter. The helicopter includes the frame and is fixed in the driving system of the helicopter of frame, the driving system of helicopter includes driving motor, rotor, main shaft and connecting piece, driving motor includes rotor subassembly and drive the stator module of rotor subassembly operation, the rotor is used for providing the flight lift, main shaft one end fixed connection the rotor, the other end are inserted and are located in the driving motor, the connecting piece will the main shaft with the connection can be dismantled to the rotor subassembly. Compared with the prior art, the utility model provides a helicopter energy loss is low and weight is lighter in transmission process to can promote duration, and can realize quick assembly disassembly.

Description

Helicopter

[ technical field ] A method for producing a semiconductor device

The utility model relates to an aviation device technical field especially relates to a helicopter.

[ background of the invention ]

The helicopter is used as an aviation device, and has wide application prospect in the aspects of atmosphere monitoring, traffic monitoring, resource exploration, power line monitoring, forest fire prevention and the like due to the characteristics of vertical take-off and landing, hovering in the air, flying in any direction, small take-off and landing field and the like.

The power of the helicopter in the related art usually drives the rotor to rotate through the motor drive, the rotor includes the rotor main body and the rotor main shaft connected with the rotor main body, the motor drives the rotor main shaft to rotate through the motor main shaft of output, thereby driving the rotor main body to rotate and generating power.

However, in the helicopter in the related art, the motor spindle and the rotor spindle are two different shafts and located at different positions, a belt is arranged between the motor spindle and the rotor spindle for transmission, and belt pulleys correspondingly connected with the belt are arranged on the corresponding motor spindle and the corresponding rotor spindle. And the transmission is carried out between motor and the rotor through the belt, can have energy loss in the transmission process, influences transmission efficiency to lead to reducing the duration of a journey ability of helicopter. And the belt pulley and the belt are arranged in the helicopter, so that the weight of the helicopter is increased, and the cruising ability of the helicopter is influenced. Meanwhile, as more parts are arranged, the difficulty in the process of disassembly and assembly is increased, and the disassembly and assembly are inconvenient.

Therefore, there is a need to provide a new helicopter to solve the above problems.

[ Utility model ] content

The transmission effect is influenced by the fact that transmission needs to be conducted between a motor and a rotor wing of the helicopter in the related technology through a belt, and the weight of the helicopter is increased, so that the cruising ability of the helicopter is reduced, and the technical problem of troublesome dismounting is solved. The utility model provides a duration is stronger and make things convenient for helicopter of dismouting.

A helicopter, comprising:

a frame;

the power system of the helicopter is as follows: the power device is fixed on the frame and used for providing flying power for the helicopter;

the power system of the helicopter comprises:

driving a motor: the driving motor comprises a rotor assembly and a stator assembly for driving the rotor assembly to run;

a rotor: for providing flight lift;

a main shaft: one end of the main shaft is fixedly connected with the rotor wing, and the other end of the main shaft is inserted into the driving motor;

connecting piece: the connecting piece is used for detachably connecting the main shaft with the rotor assembly.

Preferably, the main shaft comprises a top part and a bottom part which are respectively positioned at two opposite ends and a middle part which is connected with the top part and the bottom part, the rotor wing is connected with the top part, and the bottom part is inserted in the driving motor and is detachably connected with the rotor assembly through the connecting piece.

Preferably, the power system of the helicopter further comprises a shaft sleeve assembly sleeved on the main shaft, and the middle part is sleeved with the shaft sleeve assembly.

Preferably, the driving motor further comprises a first bearing accommodated in the stator assembly, and the first bearing is sleeved at the bottom.

Preferably, the rotor assembly is located one side of stator module, which is far away from the rotor, the rotor assembly comprises a rotor body and a fixing part, which is formed by extending the rotor body in the direction far away from the stator module, a through hole is formed in the fixing part, and the connecting piece penetrates through the through hole and is connected with the main shaft.

Preferably, the connecting piece is a screw, the bottom is provided with a threaded hole corresponding to the connecting piece, and the connecting piece is in threaded connection with the bottom correspondingly.

Preferably, the connecting piece and the threaded hole are arranged along the axial direction of the main shaft.

Preferably, the rotor with the top is passed through set screw and is connected, the top with the rotor corresponds set screw all is equipped with the screw hole, set screw the top with the screw hole of rotor all is followed the radial setting of main shaft.

Compared with the prior art, the utility model provides a helicopter passes through main shaft one end fixed connection the rotor other end is inserted and is located driving motor, through driving motor direct drive thereby the main shaft drives the rotor need not set up the belt and carries out the transmission, has reduced the energy loss among weight and the transmission process to can effectively promote duration, and the main shaft passes through the connecting piece can dismantle connect in driving motor on the rotor subassembly, thereby can pass through the connecting piece realize will fast the main shaft with driving motor dismantles or installs, has alleviateed the dismouting degree of difficulty and has improved dismouting efficiency.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic perspective view of a helicopter provided by the present invention;

FIG. 2 is an enlarged view of a portion of region II shown in FIG. 1;

FIG. 3 is a schematic perspective view of the power system of the helicopter shown in FIG. 1;

fig. 4 is a cross-sectional view of IV-IV shown in fig. 3.

[ detailed description ] embodiments

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 belong to the protection scope of the present invention.

Please refer to fig. 1 to fig. 4. The utility model provides a helicopter 100, concretely relates to unmanned helicopter is controld through remote control, helicopter 100 includes frame 10, is fixed in the driving system 20 of the helicopter in the frame 10 and will the driving system 20 of helicopter is fixed in supporting component 30 in the frame 10.

The frame 10 is provided with a driving mechanism for driving the power system 20 of the helicopter to operate, the driving mechanism includes, for example, a power supply battery, a controller, etc., and the driving principle of the power system 20 of the helicopter is consistent with the prior known technology and is not described herein again.

The power system 20 of the helicopter comprises a driving motor 21, a rotor 22, a main shaft 23, a connecting piece 24 and a shaft sleeve assembly 25. 23 one end fixed connection of main shaft 22, the other end is inserted and is located in driving motor 21, driving motor 21 is used for providing power drive main shaft 23 is rotatory, thereby drives the rotatory flight lift that produces of rotor 22, connecting piece 24 will main shaft 23 with driving motor 21 can dismantle the connection, the axle sleeve subassembly 25 cover is located main shaft 23 is used for supporting main shaft 23 prevents main shaft 23 deflects.

The driving motor 21 includes a rotor assembly 211, a stator assembly 212 for driving the rotor assembly 211 to operate, a first bearing 213 accommodated in the stator assembly 212, and a housing 214 for accommodating the rotor assembly 211 and the stator assembly 212. The stator assembly 212 is fixedly connected to the frame 10 through the support assembly 30. The first bearings 213 are accommodated in the stator assembly 212 and sleeved on the main shaft 23 to support the main shaft 23 to rotate, and specifically, the first bearings 213 are two and spaced from each other. The principle that stator module 212 drives rotor module 211 does, stator module 212 is equipped with the iron core and twines the coil that the iron core set up, rotor module 211 corresponds the iron core with the coil is equipped with the magnet, the coil with power supply battery in the frame 10 is connected, power supply battery does the coil provides the electric energy and produces magnetic field, thereby passes through magnetic drive rotor module 211 rotates.

The rotor assembly 211 is disposed on a side of the stator assembly 212 away from the rotor 22, and the main shaft 23 passes through the first bearing 213 and the stator assembly 212 and is connected to the rotor assembly 211 through the connection member 24. Specifically, the rotor assembly 211 includes a rotor body 2111 and a fixing portion 2112 extending from the rotor body 2111 to a direction away from the stator assembly 212, the fixing portion 2112 is provided with a through hole 2113, and the connecting member 24 passes through the through hole 2113 and is connected to the main shaft 23.

The stator assembly 212 includes a middle fixing plate 2121 and a stator 2122 fixed to the fixing plate 2121, the fixing plate 2121 is hollow, the first bearing 213 is accommodated in the fixing plate 2121, and the stator 2122 surrounds the fixing plate 2121.

The rotor 22 includes a paddle disk 221 located in the middle and two paddles 222 fixedly arranged on the paddle disk 221, the two paddles 222 are arranged at an interval, and the two paddles 222 are respectively fixedly connected with the paddle disk 221 through screws. The paddle disk 221 includes a paddle disk body 2211 and two paddle disk support portions 2212 connecting the paddle disk body 2211 and the shaft sleeve assembly 25, the two paddle disk support portions 2212 are respectively disposed on two opposite sides of the paddle disk body 2211 and respectively connected to the shaft sleeve assembly 25 for supporting the paddle disk body 2211, specifically, the two paddle disk support portions 2212 are disposed on the paddle disk body 2211 in a staggered manner, that is, the two paddle disk support portions 2212 are respectively disposed on two opposite sides of the paddle disk body 2211 and located at different positions, so that the paddle disk support portions 2212 can better support the paddle disk body 2211.

The main shaft 23 comprises a top portion 231 and a bottom portion 232 which are respectively located at two opposite ends, and a middle portion 233 which connects the top portion 231 and the bottom portion 232, the paddle board body 2211 is fixedly connected with the top portion 231 through a fixing screw, the bottom portion 232 is inserted into the driving motor 21, and the middle portion 233 is sleeved with the shaft sleeve assembly 25.

The main shaft 23 is a hollow shaft, the top 231 is provided with a first threaded hole 2311, and the paddle disk 221 is inserted into the first threaded hole 2311 through a fixing screw to be connected and fixed with the main shaft 23. Optionally, the paddle disk 221 may be provided with a threaded hole corresponding to the fixing screw. The bottom 232 is provided with a second threaded hole 2321, the connecting member 24 is a screw, and the connecting member 24 and the second threaded hole 2321 are correspondingly and threadedly connected to connect and fix the main shaft 23 and the rotor assembly 211 with each other. Specifically, the connecting member 24, the through hole 2113 and the second threaded hole 2321 are distributed along the axial direction of the main shaft 23, the first threaded hole 2311 is distributed along the radial direction of the main shaft 23 and penetrates through the main shaft 23, and the central axis of the second threaded hole 2321 and the central axis of the main shaft 23 are located on the same straight line. Optionally, a thread corresponding to the connecting member 24 may be formed in the through hole 2113, so that the connection between the connecting member 24 and the fixing portion 2112 is more stable.

The connecting member 24 includes a screw head 241 and a screw 242, the screw head 241 abuts against the fixing portion 2112, and the screw 242 passes through the through hole 2113 and is correspondingly inserted into the second threaded hole 2321 to be in threaded connection with the main shaft 23, so as to connect and fix the main shaft 23 and the rotor assembly 211.

The shaft sleeve assembly 25 is sleeved on the middle portion 232 and used for protecting the main shaft 23 and preventing the main shaft 23 from deflecting and breaking. Specifically, the bushing assembly 25 includes a first bushing assembly 251 and a second bushing assembly 252 disposed opposite to the first bushing assembly 251 at an interval, where the first bushing assembly 251 is located at a side close to the driving motor 21, and the second bushing assembly 252 is located at a side far from the driving motor 21. The first sleeve component 251 includes two second bearings 2511, and the two second bearings 2511 are respectively and sequentially sleeved on the middle portion 233. The second sleeve assembly 252 includes a second bearing housing 2521, a third bearing 2522 and a sleeve body 2523 that are accommodated in the second bearing housing 2521, and the third bearing 2522 is accommodated in the sleeve body 2523. The second bearing seat 2521 is fixed to the frame 10 through the bearing assembly 30, the third bearing 2522 is sleeved on the middle portion 233, specifically, the second bearing seat 2521 includes a first portion 2524 located on a side close to the rotor 22 and a second portion 2525 located on a side away from the rotor 22, and the first portion 2524 is movably abutted to the second portion 2525. The third bearing 2522 is located within the space enclosed by the first portion 2524. The paddle holder 2212 is fixedly connected to the first portion 2524, and in particular, the paddle holder 2212 is connected to the first portion 2524 by screws, so that the paddle body 2211 can be well supported by the paddle holder 2212.

The support assembly 30 includes a first support assembly 31, a second support assembly 32, and a third support assembly 33. The first bearing assembly 31 fixes the driving motor 21 to the frame 10, and specifically, the first bearing assembly 31 is fixedly connected to the frame 10 and the fixed disk 2121 by screws, so as to fix the driving motor 21 to the frame 10. The second bearing assembly 32 supports the first bushing assembly 251, specifically, the second bearing assembly 32 is fixedly connected to the frame 10 by screws and receives the first bushing assembly 251, both the first bearings 2511 are received in the second bearing assembly 32, and the second bearing assembly 32 limits the position of the second bearings 2511 in the axial direction. The third bearing assembly 33 is fixedly connected to the frame 10 and the second portion 2525, and supports the second portion 2525, thereby limiting the position of the third bearing 2522 in the axial direction.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A helicopter, comprising:

a frame;

the power system of the helicopter comprises:

a rotor: for providing flight lift;

characterized in that, the power system of the helicopter also comprises:

2. A helicopter according to claim 1, wherein said mast comprises a top portion and a bottom portion at opposite ends and a middle portion connecting said top portion to said bottom portion, said rotor being connected to said top portion, said bottom portion being inserted into said drive motor and being removably connected to said rotor assembly by said connecting member.

3. A helicopter according to claim 2, further comprising a bushing assembly mounted on said main shaft, said bushing assembly being mounted on said intermediate portion.

4. The helicopter of claim 2, further comprising a first bearing housed within the stator assembly, the first bearing being nested within the bottom portion.

5. A helicopter according to claim 4, wherein said rotor assembly is located on a side of said stator assembly remote from said rotor, said rotor assembly including a rotor body and a fixed portion extending from said rotor body in a direction away from said stator assembly, said fixed portion having a through hole formed therein, said connecting member passing through said through hole and being connected to said main shaft.

6. A helicopter according to claim 5, characterized in that said connecting elements are screws, said base being provided with threaded holes corresponding to said connecting elements, said connecting elements being in threaded connection with said base.

7. A helicopter according to claim 6, characterized in that said connecting piece and said threaded hole are both arranged along the axial direction of said main shaft.

8. A helicopter according to claim 7, characterized in that said rotor is connected to said tip by means of a fixing screw, said tip and said rotor are provided with threaded holes corresponding to said fixing screws, and said fixing screws, said tip and said rotor are provided with threaded holes along the radial direction of said main shaft.