CN112478145A

CN112478145A - Electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring

Info

Publication number: CN112478145A
Application number: CN202011554799.0A
Authority: CN
Inventors: 贾银江; 张怀景; 师遥遥; 张萧誉; 董守田; 孙威
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-03-12

Abstract

The invention relates to a flight control system of an electric vertical take-off and landing unmanned aerial vehicle for monitoring a farmland, which comprises the electric vertical take-off and landing unmanned aerial vehicle, wherein a mounting plate is fixedly connected below the electric vertical take-off and landing unmanned aerial vehicle, a plurality of safety rotating grooves are formed below the mounting plate, shock absorption pads are fixedly connected on the inner walls of the safety rotating grooves, a square block is fixedly arranged in each safety rotating groove, a threaded groove is formed in one side of each square block, a screw rod is connected in each threaded groove in a threaded manner, one end of the screw penetrates through the fixed plate and extends out to be fixedly connected with a round shell, a shell cover is fixedly connected below the round shell, a spring and a circular plate are arranged in the round shell, a supporting column is fixedly connected to the lower side of the circular plate, one end of the supporting column penetrates through the shell cover and extends out to be fixedly connected with a supporting pad, the device has reasonable design, the round shell is fixed by connecting the screw rod with the thread groove through the thread, the spring that sets up in the round shell is convenient for reduce the impact when electronic VTOL unmanned aerial vehicle descends.

Description

Electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring

Technical Field

The invention relates to the field of farmland monitoring, in particular to a flight control system of an electric vertical take-off and landing unmanned aerial vehicle for farmland monitoring.

Background

The farmland is the land for agricultural production. Need fertilize it when ploughing the farmland, spill the medicine, still need monitor the farmland, look over the crops growth circumstances, thereby make the management farmland that people can be better, thereby we need help us to accomplish the monitoring to the farmland with the help of unmanned aerial vehicle help, current unmanned aerial vehicle flight control system support is comparatively simple, make unstable when descending, produce easily and rock and take place the striking, and then take place the harm to unmanned aerial vehicle inner member, influence unmanned aerial vehicle flight control system work, for this reason, we have proposed the unmanned aerial vehicle flight control system that takes off and land perpendicularly that is used for the farmland monitoring.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring comprises an electric vertical take-off and landing unmanned aerial vehicle, the lower part of the electric vertical take-off and landing unmanned aerial vehicle is fixedly connected with a mounting plate, a plurality of rotation mounting grooves are arranged below the mounting plate, the inner wall of the installation and rotation groove is fixedly connected with a shock pad, a square block is fixedly arranged in the installation and rotation groove, the periphery of the square block is attached to one side of the shock pad, one side of the square block is provided with a thread groove, the notch of the mounting and rotating groove is fixedly connected with a fixing plate, the thread groove is internally threaded with a screw rod, one end of the screw rod penetrates through the fixing plate and extends out to be fixedly connected with a round shell, a shell cover is fixedly connected below the round shell, a spring and a circular plate are arranged in the round shell, and the plectane is located the below top of the cap of spring, the downside fixedly connected with support column of plectane to the one end of support column runs through the cap and extends out fixedly connected with supporting pad.

Preferably, the diameter of the circular plate is larger than the diameter of the cross section circle of the support column, and the diameter of the circular plate is the same as the diameter of the circle of the inner wall of the circular shell.

Preferably, the middle part of the lower part of the mounting plate is fixedly connected with a sponge pad, the lower part of the sponge pad is fixedly connected with a support plate, and the side surface of the support plate is provided with a sliding mechanism.

Preferably, the sliding mechanism comprises four sliding grooves formed in one side of the mounting plate, sliding blocks are placed in the sliding grooves, a plurality of rollers are movably mounted below the sliding blocks, and one sides of the rollers are attached to the bottoms of the sliding grooves.

Preferably, the spout and the slider all become protruding type structure, the upper end of slider extends away and articulates from the spout in and has the connecting rod, the one end of connecting rod is articulated with the side of backup pad.

Compared with the prior art, the invention has the following beneficial effects:

1. when electronic VTOL unmanned aerial vehicle flight control system descends, the supporting pad of support column below lands earlier, the supporting pad can increase the friction of device and ground, make the more steady of device descending, because inertial effect, electronic VTOL unmanned aerial vehicle still can exert power downwards, and then make the one end of support column support the plectane and upwards extrude the spring and move toward the round shell in, and then can cushion the impact force that brings because inertia, make the more stable of electronic VTOL unmanned aerial vehicle descending, thereby protect the inside component of electronic VTOL unmanned aerial vehicle not easily impaired, extend electronic VTOL unmanned aerial vehicle's life.

2. The backup pad that sets up can extrude the foam-rubber cushion when electronic VTOL unmanned aerial vehicle flight control system descends to the pulling connecting rod drives the slider and removes in the spout, and the roller of setting can reduce the friction of slider and spout bottom, and this embodiment also can play the effect of buffering simultaneously.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

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

FIG. 4 is a schematic view of the thread groove and screw structure of the present invention;

fig. 5 is a schematic diagram of the slider and roller structure of the present invention.

In the figure: electronic VTOL unmanned aerial vehicle 1, mounting panel 2, backup pad 3, connecting rod 4, foam-rubber cushion 5, spout 6, slider 7, roller 8, ann's commentaries on classics groove 9, shock pad 10, fixed plate 11, square 12, thread groove 13, screw rod 14, round shell 15, spring 16, cap 17, plectane 18, support column 19, supporting pad 20.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, the electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring comprises an electric vertical take-off and landing unmanned aerial vehicle 1, a mounting plate 2 is fixedly connected below the electric vertical take-off and landing unmanned aerial vehicle 1, a plurality of rotation safety grooves 9 are formed below the mounting plate 2, shock-absorbing pads 10 are fixedly connected on the inner walls of the rotation safety grooves 9, square blocks 12 are fixedly mounted in the rotation safety grooves 9, the peripheries of the square blocks 12 are attached to one sides of the shock-absorbing pads 10, threaded grooves 13 are formed in one sides of the square blocks 12, a fixing plate 11 is fixedly connected at the notch of the rotation safety grooves 9, threaded grooves 13 are internally threaded with screws 14, one ends of the screws 14 penetrate through the fixing plate 11 and extend out of the fixedly connected circular shell 15, a shell cover 17 is fixedly connected below the circular shell 15, springs 16 and circular plates 18 are arranged in the circular shell 15, and the circular plates 18 are, the lower side of the circular plate 18 is fixedly connected with a supporting column 19, one end of the supporting column 19 penetrates through the shell cover 17 and extends out of the shell cover to be fixedly connected with a supporting pad 20, the diameter of the circular plate 18 is larger than the cross-sectional circle diameter of the supporting column 19, and the diameter of the circular plate 18 is the same as the diameter of the inner wall circle of the circular shell 15.

Through a plurality of safety rotating grooves 9 arranged below the mounting plate 2, the square 12 with the thread groove 13 is convenient to mount, the shock absorption pad 10 arranged in the mounting groove 9 can reduce the vibration of the screw 14 when the screw is connected to the thread groove 13 in a threaded manner, so that the electric vertical take-off and landing unmanned aerial vehicle 1 is protected, the fixed plate 11 can limit the square 12 in the safety rotating groove 9 and prevent the square 12 from falling off from the mounting groove 9, the round shell 15 is arranged and is convenient to place a spring 16, when the electric vertical take-off and landing unmanned aerial vehicle 1 lands, the supporting pad 20 below the supporting column 19 lands firstly, the supporting pad 20 can increase the friction between the device and the ground, so that the device lands more stably, due to the effect of inertia, the electric vertical take-off and landing unmanned aerial vehicle 1 can also apply power downwards, and then one end of the supporting column 19 pushes the spring 16 upwards to move towards the round shell 15 against the round plate 18, and then can cushion because the impact force that inertia brought for electronic VTOL unmanned aerial vehicle 1 descends more stably, thereby protects the difficult impairement of the inside component of electronic VTOL unmanned aerial vehicle 1.

Below middle part fixedly connected with foam-rubber cushion 5 of mounting panel 2, and the below fixedly connected with backup pad 3 of foam-rubber cushion 5, the side of backup pad 3 is equipped with slide mechanism, slide mechanism is including seting up four spout 6 in mounting panel 2 one side, slider 7 has been placed in the spout 6, the below movable mounting of slider 7 has a plurality of rollers 8, and one side of roller 8 pastes with the bottom of spout 6, spout 6 and slider 7 all become protruding type structure, the upper end of slider 7 extends away and articulates from spout 6 and has connecting rod 4, the one end of connecting rod 4 is articulated with the side of backup pad 3.

Through the fixed foam-rubber cushion 5 in the below of mounting panel 2, the impact force when conveniently reducing electronic VTOL unmanned aerial vehicle 1 descends, and then reduce the condition that 1 internal element of electronic VTOL unmanned aerial vehicle damaged, spout 6 through setting up, slider 7 is placed in spout 6 to the convenience, when electronic VTOL unmanned aerial vehicle 1 descends, because the effect of impact force, make backup pad 3 can extrude foam-rubber cushion 5, and then pulling connecting rod 4 drives slider 7 and removes in spout 6, the roller 8 of setting can reduce the friction of

slider

7 and 6 bottoms of spout.

The working principle of the invention is as follows: according to the attached drawings 1-5 in the specification, in practical use, when the electric VTOL unmanned aerial vehicle 1 lands, the supporting pad 20 below the supporting column 19 lands first, the supporting pad 20 can increase the friction between the device and the ground, so that the device lands more stably, due to the action of inertia, the electric VTOL unmanned aerial vehicle 1 can also apply power downwards, and further one end of the supporting column 19 pushes the spring 16 upwards to move towards the round shell 15 against the circular plate 18, so that the impact force caused by inertia can be buffered, the landing of the electric VTOL unmanned aerial vehicle 1 is more stable, thereby protecting the elements inside the electric VTOL unmanned aerial vehicle 1 from being damaged, meanwhile, the supporting plate 3 can push the sponge mat 5, and pull the connecting rod 4 to drive the sliding block 7 to move in the sliding groove 6, and the arranged roller 8 can reduce the friction between the sliding block 7 and the bottom of the sliding groove 6, meanwhile, the buffer function can be achieved, the round shell 15 is rotated to drive the screw rod 14 to move out of the thread groove 13, the round shell 15 is convenient to disassemble, and the shock absorption pad 10 arranged in the installation groove 9 can reduce the shock of the screw rod 14 in threaded connection with the thread groove 13.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring comprises an electric vertical take-off and landing unmanned aerial vehicle (1) and is characterized in that a mounting plate (2) is fixedly connected below the electric vertical take-off and landing unmanned aerial vehicle (1), a plurality of rotation safety grooves (9) are formed in the lower portion of the mounting plate (2), shock absorbing pads (10) are fixedly connected onto the inner walls of the rotation safety grooves (9), square blocks (12) are fixedly mounted in the rotation safety grooves (9), the peripheries of the square blocks (12) are attached to one sides of the shock absorbing pads (10), thread grooves (13) are formed in one sides of the square blocks (12), fixing plates (11) are fixedly connected to the notch of the rotation safety grooves (9), threaded screws (14) are connected to the thread grooves (13) in a threaded manner, one ends of the screws (14) penetrate through the fixing plates (11) and extend out of the round shells (15), a shell cover (17) is fixedly connected to the lower portion of the round shell (15), a spring (16) and a circular plate (18) are placed in the round shell (15), and the circular plate (18) is located above the shell cover (17) below the spring (16).

2. The electric VTOL UAV flight control system for farmland monitoring according to claim 1, characterized in that a support column (19) is fixedly connected to the lower side of the circular plate (18), and one end of the support column (19) penetrates the housing cover (17) and extends out of the fixedly connected support pad (20).

3. The electric VTOL UAV flight control system for farmland monitoring according to claim 1, characterized in that the diameter of the circular plate (18) is larger than the cross-sectional circle diameter of the supporting column (19), and the diameter of the circular plate (18) is the same as the diameter of the circle of the inner wall of the circular shell (15).

4. The electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring as claimed in claim 1, wherein a sponge mat (5) is fixedly connected to the lower middle part of the mounting plate (2), a support plate (3) is fixedly connected to the lower part of the sponge mat (5), and a sliding mechanism is arranged on the side surface of the support plate (3).

5. The electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring as claimed in claim 4, wherein the sliding mechanism comprises four sliding grooves (6) arranged on one side of the mounting plate (2), sliding blocks (7) are placed in the sliding grooves (6), a plurality of rollers (8) are movably arranged below the sliding blocks (7), and one side of each roller (8) is attached to the bottom of the corresponding sliding groove (6).

6. The electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring as claimed in claim 5, wherein the sliding groove (6) and the sliding block (7) are both of a convex structure, the upper end of the sliding block (7) extends out from the sliding groove (6) and is hinged with a connecting rod (4), and one end of the connecting rod (4) is hinged with the side surface of the supporting plate (3).

7. An electric vertical take-off and landing unmanned aerial vehicle flight control system for farmland monitoring based on claim 1, which is characterized in that: the working principle of the unmanned aerial vehicle flight control system is as follows: in practical use, when the electric VTOL unmanned aerial vehicle (1) lands, the supporting pad (20) below the supporting column (19) lands first, the supporting pad (20) can increase the friction between the device and the ground, so that the device lands more stably, due to the action of inertia, the electric VTOL unmanned aerial vehicle (1) can also exert power downwards, and further one end of the supporting column (19) pushes the spring (16) upwards against the circular plate (18) to move towards the inside of the circular shell (15), and further the impact force caused by inertia can be buffered, so that the electric VTOL unmanned aerial vehicle (1) lands more stably, thereby protecting the elements inside the electric VTOL unmanned aerial vehicle (1) from being damaged easily, meanwhile, the supporting plate (3) can push the sponge mat (5), and pulls the connecting rod (4) to drive the sliding block (7) to move in the sliding groove (6), the arranged roller (8) can reduce the friction between the sliding block (7) and the bottom of the sliding groove (6), simultaneously also can play the effect of buffering, rotate round shell (15) and drive screw rod (14) and shift out from thread groove (13), and then convenient dismantlement to round shell (15), shock pad (10) that wherein set up in mounting groove (9) can reduce the vibrations when screw rod (14) and thread groove (13) threaded connection.