WO2020037459A1 - Ensemble rotatif et son procédé de montage, moteur, panoramique/inclinaison et véhicule aérien sans pilote - Google Patents

Ensemble rotatif et son procédé de montage, moteur, panoramique/inclinaison et véhicule aérien sans pilote Download PDF

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Publication number
WO2020037459A1
WO2020037459A1 PCT/CN2018/101321 CN2018101321W WO2020037459A1 WO 2020037459 A1 WO2020037459 A1 WO 2020037459A1 CN 2018101321 W CN2018101321 W CN 2018101321W WO 2020037459 A1 WO2020037459 A1 WO 2020037459A1
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WO
WIPO (PCT)
Prior art keywords
bearing
rotating shaft
stator
detachment prevention
prevention structure
Prior art date
Application number
PCT/CN2018/101321
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English (en)
Chinese (zh)
Inventor
褚宏鹏
郭善光
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201880012250.3A priority Critical patent/CN110313116B/zh
Priority to PCT/CN2018/101321 priority patent/WO2020037459A1/fr
Publication of WO2020037459A1 publication Critical patent/WO2020037459A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/08—Arrangements of cameras
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00—UAVs specially adapted for particular uses or applications
    • B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography

Definitions

  • the invention relates to the field of power structures, in particular to a rotating component and a method for installing the same, a motor, a gimbal and an unmanned aerial vehicle.
  • the stator of the rotating component and the rotating shaft are rotationally connected through a bearing to ensure smooth rotation.
  • the bearing needs to be designed to prevent disengagement, usually a nut or a spring is designed at the end of the shaft to block the bearing to prevent it from falling off.
  • a nut or a spring is designed at the end of the shaft to block the bearing to prevent it from falling off.
  • this will make the height of the rotating component as a whole higher, which is not conducive to the miniaturization of the product.
  • nuts or retaining springs can increase costs.
  • the invention provides a rotating assembly and a mounting method thereof, a motor, a gimbal and an unmanned aerial vehicle.
  • the present invention is implemented by the following technical solutions:
  • a rotating assembly including a stator, a rotor, and a bearing, wherein the rotor is provided with a rotating shaft;
  • the stator is sleeved on the rotating shaft, a receiving space is formed between the stator and the rotor, the bearing is received in the receiving space, and the stator and the rotating shaft are rotationally connected through the bearing;
  • An end of the rotation shaft is provided with a detachment prevention structure, and an opening is formed between one end of the rotation shaft provided with the detachment prevention structure and the stator, and the opening is in communication with the accommodation space;
  • the anti-dropout structure includes a stop state, wherein when the anti-dropout structure is in the stop state, the anti-dropout structure is stopped at the opening to stop the bearing in the accommodation space. .
  • a motor including:
  • a rotating component provided in the housing including a stator, a rotor, and a bearing, wherein the rotor is provided with a rotating shaft;
  • the stator is sleeved on the rotating shaft, an accommodating space is formed between the stator and the rotating shaft, the bearing is accommodated in the accommodating space, and the stator and the rotating shaft are rotationally connected through the bearing;
  • An end of the rotation shaft is provided with a detachment prevention structure, and an opening is formed between one end of the rotation shaft provided with the detachment prevention structure and the stator, and the opening is in communication with the accommodation space;
  • the anti-dropout structure includes a stop state, wherein when the anti-dropout structure is in the stop state, the anti-dropout structure is stopped at the opening to stop the bearing in the accommodation space. .
  • a pan / tilt head including:
  • a bearing member connected to the bracket and used for bearing a photographing device
  • the motor includes a housing and a rotating component, and the rotating component is disposed in the housing;
  • the rotating component includes a stator, a rotor, and a bearing, and the rotor is provided with a rotating shaft;
  • the stator is sleeved on the rotating shaft, an accommodating space is formed between the stator and the rotating shaft, the bearing is accommodated in the accommodating space, and the stator and the rotating shaft are rotationally connected through the bearing;
  • An end of the rotation shaft is provided with a detachment prevention structure, and an opening is formed between one end of the rotation shaft provided with the detachment prevention structure and the stator, and the opening is in communication with the accommodation space;
  • the anti-dropout structure includes a stop state, wherein when the anti-dropout structure is in the stop state, the anti-dropout structure is stopped at the opening to stop the bearing in the accommodation space. .
  • an unmanned aerial vehicle including:
  • a propeller provided on the fuselage; and a motor for driving the propeller to rotate to drive the fuselage to move;
  • the motor includes a housing and a rotating component, and the rotating component is disposed in the housing;
  • the rotating component includes a stator, a rotor, and a bearing, and the rotor is provided with a rotating shaft;
  • the stator is sleeved on the rotating shaft, an accommodating space is formed between the stator and the rotating shaft, the bearing is accommodated in the accommodating space, and the stator and the rotating shaft are rotationally connected through the bearing;
  • An end of the rotation shaft is provided with a detachment prevention structure, and an opening is formed between one end of the rotation shaft provided with the detachment prevention structure and the stator, and the opening is in communication with the accommodation space;
  • the anti-dropout structure includes a stop state, wherein when the anti-dropout structure is in the stop state, the anti-dropout structure is stopped at the opening to stop the bearing in the accommodation space. .
  • a method for installing a rotating assembly includes a stator, a rotor, and a bearing, the rotor is provided with a rotating shaft, and an end portion of the rotating shaft is provided with a detachment prevention structure; the method includes:
  • stator and the rotating shaft are transferred through the bearing, so that the stator is sleeved on the rotating shaft, wherein an accommodation space is formed between the stator and the rotating shaft, and the anti-detachment is provided on the rotating shaft
  • An opening is formed between an end of one end of the structure and the stator, and the opening is in communication with the accommodation space;
  • the present invention directly provides a detachment prevention structure at the end of the rotating shaft, and stops the bearing in the accommodation space formed between the stator and the rotating shaft, thereby preventing the rotating component from rotating , The bearing is detached from the accommodating space and the rotating component is damaged.
  • an anti-off structure is directly provided at the end of the rotating shaft, which is beneficial to the miniaturization design of the rotating component and reduces the cost.
  • FIG. 1 is a perspective view of a rotating component in an embodiment of the present invention in a state where an anti-off structure is in a stop state;
  • FIG. 2 is a partially enlarged view of FIG. 1;
  • FIG. 3 is a perspective view of the rotating assembly in another direction in a state where the detachment prevention structure is in a stop state according to an embodiment of the present invention
  • FIG. 4 is a cross-sectional view taken along the F'-F 'section of Fig. 3;
  • FIG. 5 is a partially enlarged view of FIG. 4;
  • FIG. 6 is a perspective view of a rotating assembly in an embodiment in which a detachment prevention structure is in a penetrating state
  • FIG. 7 is a partially enlarged view of FIG. 6;
  • FIG. 8 is a perspective view of the rotating assembly in another direction in a state where the anti-dropout structure is in a penetrating state in an embodiment of the present invention
  • Fig. 9 is a sectional view taken along the line F-F in Fig. 8;
  • FIG. 10 is a partially enlarged view of FIG. 9;
  • FIG. 11 is a perspective view of an unmanned aerial vehicle in an embodiment of the present invention.
  • FIG. 12 is a method flowchart of a method for installing a rotating component in an embodiment of the present invention.
  • a first embodiment of the present invention provides a rotating assembly.
  • the rotating assembly may include a stator 1, a rotor 2, and a bearing 3.
  • the rotor 2 is provided with a rotating shaft 4.
  • the stator 1 of this embodiment is sleeved on the rotating shaft 4.
  • a receiving space 5 is formed between the stator 1 and the rotating shaft 4, and a bearing 3 is received in the receiving space 5.
  • the stator 1 and the rotating shaft 4 are rotatably connected through the bearing 3.
  • an end of the rotation shaft 4 is provided with a detachment prevention structure 41, and an opening is formed between one end of the rotation shaft 4 provided with the detachment prevention structure 41 and the stator 1, and the opening communicates with the accommodation space 5.
  • the detachment prevention structure 41 of this embodiment includes a stop state. Wherein, when the detachment prevention structure 41 is in a stop state, the detachment prevention structure 41 is stopped at the opening to stop the bearing 3 in the accommodation space 5 so as to prevent the bearing 3 from falling out of the opening.
  • a detachment prevention structure 41 is directly provided at the end of the rotating shaft 4 to stop the bearing 3 in the accommodation space 5 formed between the stator 1 and the rotor 2 so as to prevent the rotating assembly from rotating, The bearing 3 is detached from the receiving space 5 and the rotating component is damaged.
  • the detachment prevention structure 41 is directly provided at the end of the rotating shaft 4, which is beneficial to the miniaturization design of the rotating assembly and reduces the cost.
  • the stator 1 may have a circular ring shape, or may have other irregular shapes similar to a circular ring shape.
  • the rotor 2 may have a circular ring shape, or may have other irregular shapes similar to a circular ring shape.
  • the rotating shaft 4 is cylindrical.
  • the central axes of the stator 1, the rotor 2, and the rotating shaft 4 are the same, that is, the stator 1, the rotor 2, and the rotating shaft 4 are coaxially disposed.
  • the rotor 2 and the rotating shaft 4 may be integrally provided. In other embodiments, the rotor 2 and the rotating shaft 4 are separately provided, and the rotor 2 and the rotating shaft 4 are connected. Optionally, the rotor 2 and the rotating shaft 4 may be riveted, screwed, snapped, inserted, or other conventional methods. Connect with each other.
  • the detachment prevention structure 41 when the detachment prevention structure 41 is in a stop state, the detachment prevention structure 41 is bent relative to the rotation shaft 4. Specifically, the detachment prevention structure 41 is bent relative to the rotation shaft 4. It is located at the opening to stop the bearing 3 in the receiving space 5.
  • the detachment prevention structure 41 of this embodiment is bent with respect to the rotation shaft 4 so as to stop at the opening and prevent the bearing 3 from falling out of the opening. Specifically, when the detachment prevention structure 41 is in a stop state, the detachment prevention structure 41 is vertically bent with respect to the rotation shaft 4.
  • the detachment prevention structure 41 in this embodiment when the detachment prevention structure 41 in this embodiment is in a stop state, the detachment prevention structure 41 can limit the bearing 3 in the accommodation space 5 and prevent the bearing 3 from falling out of the opening. Further, the rotating shaft 4 and the stator 1 can be rotationally connected through the bearing 3 at all times, so that the rotating shaft 4 can be prevented from being separated from the stator 1, and the rotating shaft 4 can be limited in the stator 1.
  • the detachment prevention structure 41 of this embodiment further includes a wearing state.
  • the bearing 3 further includes an inner ring.
  • the detachment prevention structure 41 can penetrate the inner ring of the bearing 3 so that the bearing 3 enters the accommodation space 5 and is sleeved on the rotating shaft 4.
  • the detachment prevention structure 41 in this embodiment is in a penetrating state, the detachment prevention structure 41 will not affect the installation between the bearing 3 and the stator 1 and the rotating shaft 4.
  • the detachment prevention structure 41 is inserted into the inner ring of the bearing 3 so that the inner ring of the bearing 3 is sleeved on the outside of the rotating shaft 4.
  • the assembly between the rotating shaft 4, the bearing 3, and the stator 1 is completed with the anti-detachment structure 41 in a penetrating state.
  • the bearing is installed in the bearing.
  • pressure can be applied to the detachment prevention structure 41 to cause the detachment prevention structure 41 to deform and change from the wearing state to the stop state.
  • pressure may be applied to the detachment prevention structure 41 by pressing, tapping, or other operation methods, so as to deform the detachment prevention structure 41.
  • the detachment prevention structure 41 is deformed by applying pressure on the detachment prevention structure 41 by a jig, and the detachment state is changed to a stop state.
  • the detachment prevention structure 41 may be a sheet-like structure or other shapes.
  • the detachment prevention structure 41 is a sheet-like structure.
  • the sheet-shaped anti-dropout structure 41 has a small volume, which is conducive to the miniaturization design of the rotating component, and reduces the weight of the rotating component, and meets some devices that are more sensitive to volume and weight (such as gimbal 400 or unmanned aerial vehicles).
  • the demand for rotating components on the other hand, when the sheet-like detachment prevention structure 41 is in a stop state, the surface of the detachment prevention structure 41 and the end of the rotating shaft 4 are substantially on the same plane, so that the height of the rotation component is not increased.
  • the rotating shaft 4 of this embodiment has a circular ring shape, and the anti-detachment structure 41 is a ring-shaped sheet structure, which is convenient to cooperate with the circular rotating shaft 4.
  • the specific position where the anti-dropout structure 41 is provided at the end of the rotating shaft 4 can be selected according to needs.
  • the anti-dropout structure 41 can be provided at the edge of the end of the rotating shaft 4 or other areas of the end of the rotating shaft 4.
  • the detachment prevention structure 41 is provided at the edge of the end of the rotating shaft 4 (the outer edge is referred to in this embodiment). In this way, even if the detachment prevention structure 41 is designed to be small in size, it can be stopped at the opening.
  • the detachment prevention structure 41 is integrally formed on the end of the rotating shaft 4 to increase the strength of the detachment prevention structure 41.
  • the detachment preventing structure 41 and the rotating shaft 4 may be provided separately, and the detaching preventing structure 41 is directly connected to the end of the rotating shaft 4 by riveting, screwing, snapping, plugging, or other methods.
  • the anti-dropout structure 41 may include one, two, three, four, or more, which may be specifically selected according to needs.
  • the detachment prevention structure 41 includes at least two, so that the bearing 3 is more firmly confined in the accommodation space 5 at different positions of the opening.
  • at least two detachment preventing structures 41 are distributed along the circumferential direction of the end of the rotating shaft 4.
  • at least two anti-dropout structures 41 are uniformly distributed along the circumferential direction of the end portion of the rotating shaft 4.
  • at least two anti-dropout structures 41 are non-uniformly distributed along the circumferential direction of the end of the rotating shaft 4.
  • the bearing 3 further includes an outer ring.
  • the inner ring of the bearing 3 is connected to the outer side wall of the rotating shaft 4, and the outer ring of the bearing 3 is connected to the inner side wall of the stator 1.
  • the connection between the inner ring of the bearing 3 and the outer wall of the rotating shaft 4 and the outer ring of the bearing 3 and the inner wall of the stator 1 can be selected as required.
  • the bearing 3 may be connected to the rotating shaft 4 by means of glue coating or clearance fit, and the bearing 3 may also be connected to the rotating shaft 4 by other methods.
  • the bearing 3 may be connected to the stator 1 by means of glue coating or interference fit or clearance fit, or may be connected to the stator 1 by other means.
  • the rotation assembly of the above embodiment can be applied to a driving device such as a motor.
  • the first embodiment of the present invention further provides a motor.
  • the motor may include a housing and the rotating component of the foregoing embodiment. Wherein, the rotating component is disposed in the casing.
  • the housing is the same component as the stator 1. In another embodiment, the housing and the stator 1 are different components, and the stator 1 is connected to the housing.
  • the motor of this embodiment further includes a motor spindle, and the motor spindle is disposed in the rotating shaft 4 of the rotating component.
  • the motors in the above embodiments can be applied to devices such as gimbals and unmanned aerial vehicles.
  • Embodiment 1 of the present invention further provides a pan / tilt head.
  • the pan / tilt head may include a bracket, the motor 300 of the above embodiment, and a bearing component.
  • the motor is used to drive the bracket to rotate.
  • the bearing member is connected to the bracket, and the bearing member in this embodiment is used to carry a photographing device.
  • the motor of this embodiment may include at least one of a yaw axis motor, a pitch axis motor, and a roll axis motor.
  • the bracket in this embodiment may include at least one of a yaw axis bracket, a pitch axis bracket, and a roll axis bracket.
  • the yaw axis motor, the pitch axis motor, and the roll axis motor drive the yaw axis bracket, the pitch axis bracket, and the roll axis bracket to rotate correspondingly.
  • the gimbal of this embodiment may be a handheld gimbal, or it may be mounted on a mobile device, such as an unmanned aerial vehicle (as shown in FIG. 11), an unmanned vehicle, and the like.
  • a mobile device such as an unmanned aerial vehicle (as shown in FIG. 11), an unmanned vehicle, and the like.
  • a first embodiment of the present invention further provides an unmanned aerial vehicle, which includes a fuselage 100, a propeller 200, and the motor 300 of the foregoing embodiment.
  • the propeller 200 is disposed on the fuselage 100, and the motor 300 is used to drive the propeller 200 to rotate to drive the fuselage 100 to move.
  • the propellers 200 may include 4, 8, or other numbers.
  • the unmanned aerial vehicle of this embodiment may further include a gimbal 400 and a photographing device 500 mounted on the gimbal.
  • the gimbal 400 may be a single-axis gimbal, a two-axis gimbal, or a three-axis gimbal.
  • the photographing device 500 in the above embodiment is not limited to a camera in the traditional sense.
  • the photographing device 500 may be an image capturing device or an image capturing device (such as a camera, a camcorder, an infrared image capturing device, an ultraviolet image capturing device, or the like).
  • Equipment such as a camera, a camcorder, an infrared image capturing device, an ultraviolet image capturing device, or the like.
  • Equipment audio capture devices (for example, parabolic reflector microphones), infrared camera equipment, etc.
  • the unmanned aerial vehicle in this embodiment may be an unmanned aerial vehicle or other unmanned aerial equipment.
  • FIG. 12 is a method flowchart of a method for installing a rotating component according to a second embodiment of the present invention.
  • the rotating component of this embodiment may include a stator 1, a rotor 2, and a bearing 3.
  • the rotor 2 is provided with a rotating shaft 4, and an end of the rotating shaft 4 is provided with an anti-detachment structure 41.
  • an anti-detachment structure 41 for the specific structure of the rotating component, refer to the foregoing first embodiment, and details are not described herein again.
  • the method may include the following steps:
  • Step S1201 The stator 1 and the rotating shaft 4 are transferred through the bearing 3 so that the stator 1 is sleeved on the rotating shaft 4. Among them, a receiving space 5 is formed between the stator 1 and the rotating shaft 4, and the end of the rotating shaft 4 is provided with one end An opening is formed between the part and the stator 1, and the opening communicates with the accommodation space 5;
  • connection method between the bearing 3 and the stator 1 and the rotating shaft 4 can be selected according to requirements.
  • step S1201 connects the inner ring of the bearing 3 to the rotating shaft 4 through gluing, clearance fit, or other connection methods, and the The outer ring of the bearing 3 is connected to the stator 1 with an interference fit, a clearance fit, or other connection methods.
  • step S1201 further includes: when the detachment prevention structure 41 is in a penetrating state, inserting the detachment prevention structure 41 through the inner ring of the penetrating bearing 3 so that the bearing 3 is sleeved on the rotating shaft 4 and accommodated in the accommodation space 5 .
  • the detachment prevention structure 41 in this embodiment is in a penetrating state, the detachment prevention structure 41 will not affect the installation between the bearing 3 and the stator 1 and the rotating shaft 4.
  • the detachment prevention structure 41 is in the wearing state, the detachment prevention structure 41 is inserted into the inner ring of the bearing 3 so that the inner ring of the bearing 3 is sleeved on the outside of the rotating shaft 4.
  • Step S1202 Apply pressure to the detachment prevention structure 41 so that the detachment prevention structure 41 is in a stop state and stop the detachment prevention structure 41 at the opening to stop the bearing 3 in the accommodation space 5.
  • the assembly between the rotating shaft 4, the bearing 3, and the stator 1 is completed with the anti-detachment structure 41 in a penetrating state. After the assembly between the rotating shaft 4, the bearing 3, and the stator 1 is completed, After the bearing 3 enters the accommodating space 5 and is sleeved on the rotating shaft 4, it can apply pressure to the detachment prevention structure 41 to deform the detachment prevention structure 41 and change from the wearing state to the stop state.
  • a method of applying pressure to the detachment prevention structure 41 may be selected from extrusion, knocking, or other methods.
  • the detachment prevention structure 41 is deformed by squeezing the detachment prevention structure 41 until the detachment prevention structure 41 is bent with respect to the rotating shaft 4, so that the detachment prevention structure 41 is stopped at the opening to stop the bearing 3 in the accommodation space 5.
  • squeezing the detachment prevention structure 41 deforms the detachment prevention structure 41 until the detachment prevention structure 41 bends vertically with respect to the rotation shaft 4, so that the detachment prevention structure 41 is stopped at the opening to stop the bearing 3 in the accommodation space 5.
  • the detachment prevention structure 41 when the detachment prevention structure 41 is pressed so that the detachment prevention structure 41 is in a stop state, the detachment prevention structure 41 can limit the bearing 3 in the accommodation space 5 and prevent the bearing 3 from falling out of the opening. Further, the rotating shaft 4 and the stator 1 can be rotationally connected through the bearing 3 at all times, so that the rotating shaft 4 can be prevented from being separated from the stator 1, and the rotating shaft 4 can be limited in the stator 1.

Abstract

L'invention concerne un ensemble rotatif et son procédé de montage, un moteur, un panoramique/inclinaison et un véhicule aérien sans pilote. L'ensemble rotatif comprend un stator (1), un rotor (2), et un palier (3). Le rotor (2) est pourvu d'un arbre rotatif (4). Le stator (1) est emmanché sur l'arbre rotatif (4). Un espace de logement (5) est formé entre le stator (1) et l'arbre rotatif (4). Le palier (3) est logé dans l'espace de logement (5). Le stator (1) est relié rotatif à l'arbre rotatif (4) au moyen du palier (3). Des structures anti-chute (41) sont disposées sur une partie d'extrémité de l'arbre rotatif (4). Une ouverture est en outre formée entre la partie d'extrémité et le stator (1). L'ouverture est en communication avec l'espace de logement (5). Les structures anti-chute (41) ont un état d'arrêt. Dans l'état d'arrêt, les structures anti-chute (41) sont arrêtées au niveau de l'ouverture pour arrêter le palier (3) à l'intérieur de l'espace de logement (5).
PCT/CN2018/101321 2018-08-20 2018-08-20 Ensemble rotatif et son procédé de montage, moteur, panoramique/inclinaison et véhicule aérien sans pilote WO2020037459A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880012250.3A CN110313116B (zh) 2018-08-20 2018-08-20 旋转组件及其安装方法、电机、云台和无人飞行器
PCT/CN2018/101321 WO2020037459A1 (fr) 2018-08-20 2018-08-20 Ensemble rotatif et son procédé de montage, moteur, panoramique/inclinaison et véhicule aérien sans pilote

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/101321 WO2020037459A1 (fr) 2018-08-20 2018-08-20 Ensemble rotatif et son procédé de montage, moteur, panoramique/inclinaison et véhicule aérien sans pilote

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WO2020037459A1 true WO2020037459A1 (fr) 2020-02-27

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CN110313116B (zh) 2022-03-25
CN110313116A (zh) 2019-10-08

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