WO2021103722A1 - 带有前置扶禾挡板的圆盘刀式棉花打顶无人机 - Google Patents

带有前置扶禾挡板的圆盘刀式棉花打顶无人机 Download PDF

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WO2021103722A1
WO2021103722A1 PCT/CN2020/112626 CN2020112626W WO2021103722A1 WO 2021103722 A1 WO2021103722 A1 WO 2021103722A1 CN 2020112626 W CN2020112626 W CN 2020112626W WO 2021103722 A1 WO2021103722 A1 WO 2021103722A1
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WO
WIPO (PCT)
Prior art keywords
disc
cotton
baffle
drone
push rod
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PCT/CN2020/112626
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English (en)
French (fr)
Inventor
王娟
刘照启
兰玉彬
赵子越
郗昌盛
陈杰英
沙路明
韩鑫
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山东理工大学
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Application filed by 山东理工大学 filed Critical 山东理工大学
Priority to US17/435,001 priority Critical patent/US20220135220A1/en
Publication of WO2021103722A1 publication Critical patent/WO2021103722A1/zh

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/08—Other tools for pruning, branching or delimbing standing trees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D47/00—Headers for topping of plants, e.g. stalks with ears
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A01G22/50—Cotton
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/19—Propulsion using electrically powered motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2201/00—UAVs characterised by their flight controls
    • B64U2201/10—UAVs characterised by their flight controls autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems [INS]
    • B64U2201/104—UAVs characterised by their flight controls autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems [INS] using satellite radio beacon positioning systems, e.g. GPS

Definitions

  • the invention relates to a cotton topping drone.
  • the baffle plate is used to reduce the disturbance of the lower pressure wind field of the drone to the cotton plants, and the disc knife is used to complete the cutting of the cotton top center.
  • the disc knife is used to complete the cutting of the cotton top center.
  • it refers to a disc-knife cotton topping drone with a front baffle.
  • the patent application number 201711337839.4 is disclosed for the invention patent.
  • a cotton topping device and method; the invention patent with the patent application number 201910607867.6 discloses a cotton topping agent and its preparation method;
  • the invention patent with the patent application number 201710861395.8 discloses a drone as a carrier Cotton topping machine.
  • the integrated UAV cotton topping operation system that can use the front support baffle to reduce the impact of the drone's downward pressure on the wind field, and use the disc knife to accurately and quickly cut the cotton top center has not yet been reported.
  • UAVs with high ergonomics and precise operation capabilities are used for cotton topping operations
  • the baffle is used to reduce the impact of the UAV's downward pressure on the wind field, which is conducive to the rapid cutting of the cotton top center by the disc knife.
  • the development of a disc-knife cotton topping drone with a front baffle will be a new direction that is worth exploring and has great prospects.
  • the purpose of the present invention is to provide a disc-knife cotton topping drone with a front supporting baffle to solve the problem of low efficiency of the existing manual topping operation, and the damage to the plants and the ground pressure caused by the ground mechanical topping machine.
  • the actual size is relatively large, chemical topping is likely to cause secondary growth of cotton tops, and the topping of ordinary UAV cotton is affected by the downward pressure of the wind field, leading to practical problems such as unstable topping.
  • the use of this disc-knife cotton topping drone with a front baffle can reduce the impact of the drone’s downward pressure on the wind field, and achieve precise and efficient cotton topping. operation.
  • a disc knife type cotton topping drone with a front baffle plate including a drone body, a carrying component, a supporting component, and a cutting component ,
  • the carrying component, the supporting component, and the cutting component are all carried and fixed on the drone body;
  • the carrying component includes a suspension, an electric push rod mounting seat, an electric push rod, a motor mounting seat, a motor, a suspension and
  • the bottom of the drone body is bolted, the electric push rod mounting seat is connected with the suspension bolts, used to install the electric push rod, the upper end of the electric push rod is bolted to the electric push rod mounting seat, used to extend and retract the Fuhe component and Cutting components to facilitate the take-off and landing of the drone.
  • the motor mounting seat is welded to the lower end of the electric push rod.
  • the motor mounting seat is used to install the motor on the one hand, and on the other hand, it acts as a guide to reduce the pressure of the drone to cut the wind field.
  • the motor is bolted to the motor mounting seat.
  • the motor is powered by the drone body power supply.
  • the motor output shaft is connected to the disc cutter set to complete the cutting of the cotton top center.
  • the number of motors is 2;
  • the supporting grain component is a supporting grain baffle.
  • the supporting grain baffle includes a left baffle and a right baffle. Both the left and right baffles are welded and connected to the protective plate.
  • the supporting grain baffle is used to gather the cotton top core to be cut;
  • the cutting assembly includes a guard plate and a disc cutter set.
  • the guard plate is welded and connected with the motor housing to protect the disc cutter set.
  • the number of guard plates is two.
  • the disc cutter set is a pair of counter-rotating and vertical gaps.
  • the disc knife is used to cut the top center of cotton.
  • the disc knife is equipped with a circle of cutter teeth. By means of the relative rotation between the cutter teeth on the disc cutter set, it is convenient to cut the cotton stalks and at the same time.
  • the cotton top is brought to the rear of the drone's forward direction.
  • the unmanned aerial vehicle body is one of an electric unmanned aerial vehicle body, an oil-powered unmanned aerial vehicle body, and an oil-electric hybrid unmanned aerial vehicle body.
  • the motor mounting seat is a square, and the side length of the square is 25 cm to 35 cm.
  • the vertical gap between the two disc knives in the disc knife group is 0.5 mm to 1.5 mm.
  • the diameter of the disc knife in the disc knife group is 5 cm-10 cm, and the rotation speed of the disc knife is 12000 r/min to 18000 r/min.
  • the present invention is a disc-knife cotton topping drone with a front supporting baffle. Its working process is as follows: after the drone is powered on and taken off, the electric push rod extends the supporting and cutting components to Below the drone body tripod, the drone uses the GPS positioning system to adjust the drone's flight height and cutting position.
  • the Fuhe baffle gathers the cotton branches and leaves and the top center into the disc cutter set, and the motor's output shaft drives two discs.
  • the knife rotates in the reverse direction at a high speed to cut the top center of the cotton, and the guard plate protects the disc cutter set to prevent cotton branches and leaves from entangled with the disc cutter set.
  • the present invention has the following advantages: (1) The disc-knife cotton topping drone with a front baffle provided by the present invention solves the problem of the low efficiency of the existing manual topping operation. , Ground mechanical topping machine damages plants and ground compaction, chemical topping is easy to cause the secondary growth of cotton tops, and ordinary UAV cotton tops are affected by the downward pressure wind field, which leads to practical problems such as unstable topping.
  • the disc cutter type cotton topping drone with front baffle provided by the present invention improves the working efficiency of cotton topping operation;
  • the disc cutter type cotton topping drone with front baffle provided by the present invention the two disc cutters installed in it are high-speed and counter-rotating , Reducing the cutting injury area of the plant;
  • the disc knife type cotton topping drone with front baffle provided by the present invention when the drone performs cotton topping operations, the front The apron baffle reduces the disturbance to the cotton plant by the lower pressure wind field of the drone;
  • the disc knife type cotton topping drone with a front apron baffle provided by the present invention has an electric push rod It can solve the problem of difficulty in take-off and landing of drones.
  • Fig. 1 is a view of the whole structure of the disc-knife cotton topping unmanned aerial vehicle with a front supporting baffle according to the present invention.
  • Fig. 2 is a structural view of the disc-knife cotton topping UAV with a front supporting baffle of the present invention after the UAV body is removed.
  • the present invention is a disc-knife cotton topping drone with a front support baffle, including a drone body 1, a carrying assembly, a support assembly, and a cutting assembly.
  • the unmanned aerial vehicle body 1 is an electric unmanned aerial vehicle body, and the carrying components, the supporting components and the cutting components are all mounted and fixed on the unmanned aerial vehicle body 1.
  • the carrying components include a suspension 2, an electric push rod mounting seat 3, an electric push rod 4, a motor mounting seat 5, and a motor 6.
  • the suspension 2 is bolted to the bottom of the drone body 1, and the electric push rod mounting seat 3 is connected to the suspension
  • the frame 2 is bolted to install the electric push rod 4, and the upper end of the electric push rod 4 is bolted to the electric push rod mounting seat 3, which is used to extend and retract the feeding and cutting assembly to facilitate the take-off and landing of the drone.
  • the motor mounting base 5 is welded and connected to the lower end of the electric push rod 4.
  • the motor mounting base 5 is used to install the motor 6 on the one hand, and on the other hand acts as a guide to reduce the disturbance of the top center of the cotton to be cut in the lower pressure wind field of the UAV 1.
  • the motor mounting seat is square and its side length is 30cm.
  • the motor 6 is connected with the motor mounting seat 5 by bolts.
  • the motor 6 is powered by the power supply of the drone body 1, and the output shaft of the motor 6 is connected to the disc cutter set 9, which is used to complete the cotton top For cutting the heart, the number of motors is 2.
  • the supporting weed assembly is the supporting weed baffle 8.
  • the supporting wedging baffle 8 includes a left and right baffle. Both the left and the right baffle are welded and connected to the guard plate 7.
  • the supporting weed baffle 8 is used to be folded. Cut cotton top heart.
  • the cutting assembly includes a guard plate 7, a disc cutter group 9, and the guard plate 7 is welded to the motor 6 housing to protect the disc cutter group 9, the number of guard plates is 2, and the disc cutter group 9 is a pair of reverse Rotating disc cutter with vertical gap, used to cut cotton top center.
  • the diameter of the two disc cutters is 8cm
  • the vertical gap is 1mm
  • the speed is 15000r/min
  • the disc cutter has a circle of teeth. Due to the relative rotation between the upper teeth of the disc cutter group 9, it is convenient to cut the cotton stalks and at the same time can bring the cut cotton top center to the rear of the unmanned aerial vehicle's advancing direction.
  • the working process of the disc-knife cotton topping UAV with a front baffle plate is as follows: After the UAV body 1 is powered on and takes off, the electric push rod 4 in the mounted component is extended to extend the Fuhe component. And the cutting assembly is extended below the tripod of the drone body 1, the drone body 1 adjusts the flight height and cutting position of the drone body 1 through the GPS positioning system, and the baffle 8 gathers the cotton branches and leaves and the top center into the circle In the disc knife group 9, the output shaft of the motor 6 drives the two disc knives to rotate at a high speed in the opposite direction to cut the top center of the cotton. The guard plate 7 protects the disc knife group 9 and prevents the cotton branches and leaves from entangled with the disc knife group 9.

Abstract

一种带有前置扶禾挡板的圆盘刀式棉花打顶无人机，包括无人机机体（1）、搭载组件、扶禾组件、切割组件；搭载组件包括悬架（2）、电动推杆安装座（3）、电动推杆（4）、电机安装座（5）和电机（6）；电动推杆（4）上端与电动推杆安装座（3）螺栓连接，用于伸出和缩回扶禾组件和切割组件，电机安装座（5）与电动推杆（4）下端焊接连接，电机安装座（5）一方面用于安装电机（6），另一方面起导流作用以消减无人机机体（1）下压风场对待切割棉花顶心的扰动；扶禾组件是扶禾挡板（8），扶禾挡板（8）包括左挡板和右挡板，左挡板和右挡板均与护板（7）焊接连接，扶禾挡板（8）用于收拢待切割的棉花顶心。上述棉花打顶无人机减少了植株的切割受伤面积，消减了无人机下压风场对棉花植株的扰动，解决了无人机起飞降落困难的问题。

Description

带有前置扶禾挡板的圆盘刀式棉花打顶无人机
本申请要求中国申请号为201911180755.3，申请日2019.11.27，名称为带有前置扶禾挡板的圆盘刀式棉花打顶无人机的优先权，在先申请的全部方案被引用在此申请中。
技术领域
本发明涉及一种棉花打顶无人机，在打顶作业过程中，利用扶禾挡板消减无人机下压风场对棉花植株的扰动，利用圆盘刀完成对棉花顶心的切割，以实现精准、高效、无人化的棉花打顶作业。更特别地说，是指带有前置扶禾挡板的圆盘刀式棉花打顶无人机。
背景技术
随着农业生产过程中的机械化水平越来越高，人民更希望一种精准、高效的棉花打顶方式，国家也提出要大力开发市场需求大的工业级无人机，但是国内目前棉花打顶的方式主要有人工打顶、地面机械式打顶、化学药物打顶三种打顶方式。其中人工打顶作业效率低、地面机械式打顶机对植株损伤与地面压实较大、化学药物打顶易造成棉花顶尖二次生长。因此未来很长一段时期内，一种可以高效率完成棉花打顶作业的棉花打顶无人机具有很好的前景，但是，棉花打顶作业要想摆脱人工，仍有很长一段路要走。
目前，就棉花打顶作业系统而言，主要有地面机械式棉花打顶作业系统、化学药物棉花打顶作业系统和无人机棉花打顶作业系统，例如，专利申请号为201711337839.4的发明专利公开了一种棉花打顶装置及方法；专利申请号为201910607867.6的发明专利公开了一种棉花打顶剂及其制备方法；专利申请号为201710861395.8的发明专利公开了一种以无人机为载体的棉花打顶机。然而，能够利用前置扶禾挡板消减无人机下压风场的影响，利用圆盘刀精准、快速切除棉花顶心的一体化无人机棉花打顶作业系统尚未见报道。特别是，将具有高工效、精准作业能力的无人机用于棉花打顶作业，并且利用扶禾挡板来消减无人机下压风场的影响，利于圆盘刀快速切割棉花顶心，进而开发一种带有前置扶禾挡板的圆盘刀式棉花打顶无人机将是值得探索且具有远大前景的新方向。
发明内容
本发明的目的在于，提供带有前置扶禾挡板的圆盘刀式棉花打顶无人机，以解决现有人工打顶作业效率低、地面机械式打顶机对植株损伤与地面压实较大、化学药物打顶易造成棉花顶尖二次生长、普通无人机棉花打顶受下压风场影响导致打顶不稳定等现实问题。在棉花打顶过程中，利用这种带有前置扶禾挡板的圆盘刀式棉花打顶无人机，消减无人机下压风场的影响，可以实现棉花打顶的精准、高效作业。
本发明所解决的技术问题是通过以下技术方案实现的：带有前置扶禾挡板的圆盘刀 式棉花打顶无人机，包括无人机机体、搭载组件、扶禾组件、切割组件，所述搭载组件、扶禾组件、切割组件均搭载、固定于无人机机体上；所述搭载组件包括悬架、电动推杆安装座、电动推杆、电机安装座、电机，悬架与无人机机体底部螺栓连接，电动推杆安装座与悬架螺栓连接，用于安装电动推杆，电动推杆上端与电动推杆安装座螺栓连接，用于伸出和缩回扶禾组件和切割组件，以便于无人机起飞降落，电机安装座与电动推杆下端焊接连接，电机安装座一方面用于安装电机，另一方面起导流作用以消减无人机下压风场对待切割棉花顶心的扰动，电机与电机安装座螺栓连接，电机由无人机机体电源供电，电机输出轴连接圆盘刀组，用于完成对棉花顶心的切割，电机的数量为2；所述扶禾组件是扶禾挡板，扶禾挡板包括左挡板和右挡板，左挡板和右挡板均与护板焊接连接，扶禾挡板用于收拢待切割的棉花顶心；所述切割组件包括护板、圆盘刀组，护板与电机外壳焊接连接，用于保护圆盘刀组，护板的数量为2，圆盘刀组是一对反方向转动且有垂直间隙的圆盘刀，用于切割棉花顶心，圆盘刀上带有一圈刀齿，借由圆盘刀组上刀齿间的相对转动，在便于切割棉花茎秆的同时还能将切割后的棉花顶心带到无人机前进方向的后方。
进一步的，所述无人机机体为电动无人机机体、油动无人机机体、油电混动无人机机体中的一种。
进一步的，所述电机安装座为正方形，且正方形的边长为25cm～35cm。
进一步的，所述圆盘刀组中两个圆盘刀之间的垂直间隙为0.5mm～1.5mm。
进一步的，所述圆盘刀组中圆盘刀的直径为5cm～10cm，圆盘刀的转速为12000r/min～18000r/min。
本发明是带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其工作过程为：无人机加电、起飞后，电动推杆将扶禾组件和切割组件伸长至无人机机体脚架以下，无人机通过GPS定位系统调整无人机飞行高度和切割位置，扶禾挡板收拢棉花枝叶和顶心进入圆盘刀组，电机的输出轴带动两个圆盘刀反向高速旋转进行切割棉花顶心，护板保护圆盘刀组，防止棉花枝叶缠绕圆盘刀组。
本发明与现有技术相比，具有如下优点：(1)本发明提出的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，解决了现有人工打顶作业效率低、地面机械式打顶机对植株损伤与地面压实较大、化学药物打顶易造成棉花顶尖二次生长、普通无人机棉花打顶受下压风场影响导致打顶不稳定等现实问题，提高了棉花打顶作业的工作效率；(2)本发明提出的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其安装的两个圆盘刀高速反向旋转，减少了植株的切割受伤面积；(3)本发明提出的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，在无人机进行棉花打顶作业时，前置的扶禾挡板消减了无人机下压风场对棉花植株的扰动；(4)本发明 提出的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其电动推杆可以解决无人机起飞降落困难的问题。
附图说明
图1是本发明的带有前置扶禾挡板的圆盘刀式棉花打顶无人机的整机结构视图。
图2是本发明的带有前置扶禾挡板的圆盘刀式棉花打顶无人机除去无人机机体后的结构视图。
图中：1、无人机机体 2、悬架 3、电动推杆安装座 4、电动推杆 5、电机安装座 6、电机 7、护板 8、扶禾挡板 9、圆盘刀组。
具体实施方式
下面将结合附图和实施例对本发明作进一步的详细说明。
参照图1、图2所示，本发明是带有前置扶禾挡板的圆盘刀式棉花打顶无人机，包括无人机机体1、搭载组件、扶禾组件、切割组件，所述无人机机体1是电动无人机机体，所述搭载组件、扶禾组件、切割组件均搭载、固定于无人机机体1上。
所述搭载组件包括悬架2、电动推杆安装座3、电动推杆4、电机安装座5、电机6，悬架2与无人机机体1底部螺栓连接，电动推杆安装座3与悬架2螺栓连接，用于安装电动推杆4，电动推杆4上端与电动推杆安装座3螺栓连接，用于伸出和缩回扶禾组件和切割组件，以便于无人机起飞降落，电机安装座5与电动推杆4下端焊接连接，电机安装座5一方面用于安装电机6，另一方面起导流作用以消减无人机1下压风场对待切割棉花顶心的扰动，电机安装座为正方形且其边长为30cm，电机6与电机安装座5螺栓连接，电机6由无人机机体1电源供电，电机6输出轴连接圆盘刀组9，用于完成对棉花顶心的切割，电机的数量为2。
所述扶禾组件是扶禾挡板8，扶禾挡板8包括左挡板和右挡板，左挡板和右挡板均与护板7焊接连接，扶禾挡板8用于收拢待切割的棉花顶心。
所述切割组件包括护板7、圆盘刀组9，护板7与电机6外壳焊接连接，用于保护圆盘刀组9，护板的数量为2，圆盘刀组9是一对反方向转动且有垂直间隙的圆盘刀，用于切割棉花顶心，两个圆盘刀的直径为8cm，垂直间隙为1mm，转速为15000r/min，圆盘刀上带有一圈刀齿，借由圆盘刀组9上刀齿间的相对转动，在便于切割棉花茎秆的同时还能将切割后的棉花顶心带到无人机前进方向的后方。
该带有前置扶禾挡板的圆盘刀式棉花打顶无人机的工作过程为：无人机机体1加电、起飞后，搭载组件中的电动推杆4伸长将扶禾组件和切割组件伸长至无人机机体1脚架以下，无人机机体1通过GPS定位系统调整无人机机体1的飞行高度和切割位置，扶禾挡板8收 拢棉花枝叶和顶心进入圆盘刀组9，电机6的输出轴带动两个圆盘刀反向高速旋转进行切割棉花顶心，护板7保护圆盘刀组9，防止棉花枝叶缠绕圆盘刀组9。
最后应当说明的是：以上实施例仅用以显示和描述本发明的基本原理、主要特征和本发明的优点，所属领域的普通技术人员应当了解，本发明不受上述实施例的限制，在不脱离本发明精神和范围的前提下，本发明还会有各种修改或者等同替换，而未脱离本发明精神和范围的任何修改或者等同替换，其均应涵盖在本发明的权利要求范围当中。

Claims (5)

  1. 带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其特征在于，包括：无人机机体(1)、搭载组件、扶禾组件、切割组件，所述搭载组件、扶禾组件、切割组件均搭载、固定于无人机机体(1)上；所述搭载组件包括悬架(2)、电动推杆安装座(3)、电动推杆(4)、电机安装座(5)、电机(6)，悬架(2)与无人机机体(1)底部螺栓连接，电动推杆安装座(3)与悬架(2)螺栓连接，用于安装电动推杆(4)，电动推杆(4)上端与电动推杆安装座(3)螺栓连接，用于伸出和缩回扶禾组件和切割组件，以便于无人机起飞降落，电机安装座(5)与电动推杆(4)下端焊接连接，电机安装座(5)一方面用于安装电机(6)，另一方面起导流作用以消减无人机机体(1)下压风场对待切割棉花顶心的扰动，电机(6)与电机安装座(5)螺栓连接，电机(6)由无人机机体(1)电源供电，电机(6)输出轴连接圆盘刀组(9)，用于完成对棉花顶心的切割，电机的数量为2；所述扶禾组件是扶禾挡板(8)，扶禾挡板(8)包括左挡板和右挡板，左挡板和右挡板均与护板(7)焊接连接，扶禾挡板(8)用于收拢待切割的棉花顶心；所述切割组件包括护板(7)、圆盘刀组(9)，护板(7)与电机(6)外壳焊接连接，用于保护圆盘刀组(9)，护板的数量为2，圆盘刀组(9)是一对反方向转动且有垂直间隙的圆盘刀，用于切割棉花顶心，圆盘刀上带有一圈刀齿，借由圆盘刀组(9)上刀齿间的相对转动，在便于切割棉花茎秆的同时还能将切割后的棉花顶心带到无人机前进方向的后方。
  2. 根据权利要求1所述的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其特征在于：所述无人机机体(1)为电动无人机机体、油动无人机机体、油电混动无人机机体中的一种。
  3. 根据权利要求1所述的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其特征在于：所述电机安装座(5)为正方形，且正方形的边长为25cm～35cm。
  4. 根据权利要求1所述的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其特征在于：所述圆盘刀组(9)中两个圆盘刀之间的垂直间隙为0.5mm～1.5mm。
  5. 根据权利要求1所述的带有前置扶禾挡板的圆盘刀式棉花打顶无人机，其特征在于：所述圆盘刀组(9)中圆盘刀的直径为5cm～10cm，圆盘刀的转速为12000r/min～18000r/min。
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