CN113291462A

CN113291462A - Unmanned aerial vehicle for remote sensing surveying and mapping and use method thereof

Info

Publication number: CN113291462A
Application number: CN202110696369.0A
Authority: CN
Inventors: 曲歌; 章敬法; 祝会忠; 田艳君
Original assignee: Liaoning Technical University
Current assignee: Liaoning Technical University
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-08-24

Abstract

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for remote sensing mapping and a using method thereof, wherein the unmanned aerial vehicle comprises an unmanned aerial vehicle and wings, the wings are fixedly connected around the unmanned aerial vehicle, the lower end surface of the unmanned aerial vehicle is rotatably connected with a supporting rod, a telescopic mechanism is arranged below the unmanned aerial vehicle, two sides of the telescopic mechanism are rotatably connected with the supporting rod, the lower end surface of the supporting rod is fixedly connected with a cushioning mechanism, and the outer side of the cushioning mechanism is rotatably connected with a rotating sleeve; according to the unmanned aerial vehicle, the rotating shaft, the threaded sleeve, the sliding block and the sliding barrel are arranged, when the unmanned aerial vehicle descends, under the action of the rotating motor, the friction plates on the left side and the right side slide out, and can be in contact with the ground, so that the unmanned aerial vehicle can normally fall, the unmanned aerial vehicle can slide for a distance when falling due to the arrangement of the rotating sleeve, the unmanned aerial vehicle is prevented from falling, the chassis can be enlarged, the unmanned aerial vehicle has a damping and buffering effect, and meanwhile, the unmanned aerial vehicle has strong stability.

Description

Unmanned aerial vehicle for remote sensing surveying and mapping and use method thereof

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for remote sensing surveying and mapping and a using method thereof.

Background

The pilotless plane is an unmanned plane which is operated by utilizing a radio remote control device and a self-contained program control device, the pilotless plane is provided with no cockpit, but is provided with an automatic pilot, a program control device and other devices, and personnel on the ground, a naval vessel or a mother-aircraft remote control station can track, position, remotely control, telemeter and digitally transmit the pilotless plane through radar and other devices. The aircraft can take off like a common aircraft under the radio remote control or launch and lift off by a boosting rocket, can also be thrown into the air by a mother aircraft, can automatically land in the same way as the common aircraft in the landing process when being recovered, can also be recovered by a parachute or a barrier net through the remote control, can be repeatedly used for many times, and is widely used for aerial reconnaissance, monitoring, communication, anti-diving, electronic interference and the like.

Generally all carry out region survey and drawing through unmanned aerial vehicle at survey and drawing during operation, but this kind of unmanned aerial vehicle has following problem, its unmanned aerial vehicle is when the whereabouts, unmanned aerial vehicle slope whereabouts, probably because inertia when contact ground, its unmanned aerial vehicle takes place to empty, in case empty the wing will be direct with ground contact, take place to damage, cause huge economic loss, its unmanned aerial vehicle that still has some is when the whereabouts, there is not shock attenuation buffer gear, lead to the unmanned aerial vehicle internals to take place to become flexible the damage easily, consequently, propose an unmanned aerial vehicle for remote sensing survey and drawing and use method to above-mentioned problem.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle for remote sensing surveying and mapping and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an unmanned aerial vehicle for remote sensing mapping and a using method thereof comprise an unmanned aerial vehicle and wings, wherein the wings are fixedly connected around the unmanned aerial vehicle, a support rod is rotatably connected to the lower end surface of the unmanned aerial vehicle, a telescopic mechanism is arranged below the unmanned aerial vehicle, two sides of the telescopic mechanism are rotatably connected with the support rod, a cushioning mechanism is fixedly connected to the lower end surface of the support rod, a rotating sleeve is rotatably connected to the outer side of the cushioning mechanism, the cushioning mechanism comprises a rotating shaft and a rotating motor, a rotating motor is fixedly connected to the inner part of the rotating shaft, a threaded shaft is fixedly connected to the end of a main shaft of the rotating motor, a threaded sleeve is spirally connected to the outer side of the threaded shaft, a sliding block is fixedly connected to the outer side of the threaded sleeve, a limiting block is slidably connected to the inner part of the sliding block, a sliding cylinder is fixedly connected to the outer side of the limiting block, and a friction plate is slidably connected to the inner part of the sliding cylinder, and damping springs are arranged on the outer sides of the friction plates.

Preferably, the equal fixedly connected with spacing ring in the pivot outside, the spacing ring external diameter is 1.2 times of the pivot external diameter, the ring channel has been seted up to the rotation cover inside, the rotation cover passes through the ring channel and is connected with the pivot rotation.

Preferably, one end of the damping spring is fixedly connected with the sliding cylinder, and the other end of the damping spring is fixedly connected with the friction plate.

Preferably, the friction plates are arranged in an inclined manner, the outer sides of the friction plates are connected with the rotating shaft in a sliding manner, and the included angle between every two adjacent friction plates is 120 degrees.

Preferably, the sliding block is fan-shaped, and the sliding block is the slope setting towards the one side of a sliding cylinder.

Preferably, the number of the rotating sleeves is four, and the rotating sleeves are symmetrically arranged in a left-right manner relative to the center of the unmanned aerial vehicle.

Preferably, the telescopic mechanism comprises a telescopic rod and a sliding plate, the two ends of the telescopic rod are fixedly connected with the sliding plate, the other end of the sliding plate is fixedly connected with a telescopic spring, the other end of the telescopic spring is fixedly connected with a telescopic frame, the outer side of the sliding plate is connected with the telescopic frame in a sliding mode, and the other end of the telescopic frame is connected with the supporting rod in a rotating mode through a shaft.

Preferably, the use method is as follows:

step 1: when the unmanned aerial vehicle wing inspection device is used, the unmanned aerial vehicle is inspected to determine whether the electric quantity of the unmanned aerial vehicle is sufficient and whether the wing can be normally used;

step 2: place it subaerial, then carry out the flight work through unmanned aerial vehicle, then carry out unmanned aerial vehicle's survey and drawing work:

and step 3: after the survey and drawing is accomplished, when its unmanned aerial vehicle descends, when pivot below was 5m with the ground distance this moment, sensor sending information gave unmanned aerial vehicle built-in controller this moment, then controller control rotates the motor and starts to make its screw shaft rotate, then make the screw shaft drive thread bush downstream, stopper and sliding cylinder downstream this moment, drive the friction plate downstream this moment, the friction plate stretches out the pivot, when unmanned aerial vehicle whereabouts, it rotates cover self and rotates and realizes that unmanned aerial vehicle can slide one section distance, and friction plate and ground contact friction, realize the shock attenuation buffering purpose under the damping spring effect, guarantee unmanned aerial vehicle normal whereabouts, and telescopic machanism's setting guarantees that the bracing piece can expand to both sides, increase chassis area, and then guarantee its stability.

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

1. according to the unmanned aerial vehicle, the rotating shaft, the rotating motor, the threaded shaft, the threaded sleeve, the sliding block and the sliding cylinder are arranged, when the unmanned aerial vehicle descends, friction plates on the left side and the right side of the unmanned aerial vehicle slide out under the action of the rotating motor, at the moment, the unmanned aerial vehicle can be in contact with the ground, so that the unmanned aerial vehicle normally falls, the unmanned aerial vehicle can slide for a certain distance when falling due to the arrangement of the rotating sleeve, the unmanned aerial vehicle is prevented from toppling, the chassis can be enlarged, the unmanned aerial vehicle not only has a damping and buffering effect, but also has strong stability, and the normal use of the unmanned aerial vehicle is guaranteed;

2. according to the invention, through the arrangement of the telescopic rod, the sliding plate, the telescopic spring and the telescopic frame, the telescopic frame can be extended through the telescopic rod and the sliding plate, so that the supporting rod can rotate when the chassis descends, the chassis can be enlarged, the supporting rod can be supported, excessive rotation of the supporting rod is avoided, and a good limiting effect is achieved.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of a support bar according to the present invention;

FIG. 4 is a schematic structural view of a cushioning mechanism of the present invention;

fig. 5 is a schematic structural view of the telescoping mechanism of the present invention.

In the figure: 1-unmanned aerial vehicle, 2-wing, 3-support rod, 4-telescopic mechanism, 401-telescopic rod, 402-sliding plate, 403-telescopic spring, 404-telescopic frame, 5-rotating sleeve, 6-cushioning mechanism, 601-rotating shaft, 602-rotating motor, 603-threaded shaft, 604-threaded sleeve, 605-sliding block, 606-sliding cylinder, 607-limiting block, 608-damping spring, 609-friction plate, 610-sensor and 611-limiting ring.

Detailed Description

Example 1:

referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution:

an unmanned aerial vehicle for remote sensing mapping and a using method thereof comprise an unmanned aerial vehicle 1 and wings 2, the wings 2 are fixedly connected around the unmanned aerial vehicle 1, a support rod 3 is rotatably connected on the lower end surface of the unmanned aerial vehicle 1, a telescopic mechanism 4 is arranged below the unmanned aerial vehicle 1, both sides of the telescopic mechanism 4 are rotatably connected with the support rod 3, a cushioning mechanism 6 is fixedly connected on the lower end surface of the support rod 3, a rotating sleeve 5 is rotatably connected on the outer side of the cushioning mechanism 6, the cushioning mechanism 6 comprises a rotating shaft 601 and a rotating motor 602, the rotating motor 602 is fixedly connected in the rotating shaft 601, a threaded shaft 603 is fixedly connected at the tail end of a main shaft of the rotating motor 602, a threaded sleeve 604 is spirally connected on the outer side of the threaded shaft 603, a sliding block 605 is fixedly connected on the outer side of the threaded sleeve 604, the sliding cylinder 606 and a limiting block 607 can stably slide, so that a friction plate 609 extends out, and the purpose of stable landing of the unmanned aerial vehicle 1 is realized, the inside sliding connection of sliding block 605 has stopper 607, and the equal fixedly connected with sliding barrel 606 in stopper 607 outside, and the inside equal sliding connection of sliding barrel 606 has friction plate 609, and the friction plate 609 outside all is equipped with damping spring 608.

The outer side of the rotating shaft 601 is fixedly connected with a limiting ring 611, the outer diameter of the limiting ring 611 is 1.2 times of the outer diameter of the rotating shaft 601, an annular groove is formed in the rotating sleeve 5, the rotating sleeve 5 is rotatably connected with the rotating shaft 601 through the annular groove, the arrangement ensures that the rotating sleeve 5 stably rotates and is prevented from being separated from the rotating shaft 601, one end of a damping spring 608 is fixedly connected with the sliding cylinder 606, the other end of the damping spring 608 is fixedly connected with a friction plate 609, the arrangement of the damping spring 608 ensures that the friction plate 609 can slide in the sliding cylinder 606, and further, the purpose of buffering and damping is achieved, the friction plate 609 is obliquely arranged, the outer side of the friction plate 609 is slidably connected with the rotating shaft 601, the included angle between the adjacent friction plates 609 is 120 degrees, the sliding block 605 is arranged in a sector shape, the surface of the friction plate 605 facing the sliding cylinder 606 is obliquely arranged, and the friction plate 609 extends out under the action of a limiting block 607 and the sliding cylinder 606, and then realize the purpose that unmanned aerial vehicle 1 steadily descends, it is four to rotate 5 quantity of cover, and rotates cover 5 and be about 1 center of unmanned aerial vehicle two bisymmetry settings, and the setting of rotating cover 5 can slide one section distance when guaranteeing unmanned aerial vehicle 1 whereabouts, offsets the inertia of 1 whereabouts of unmanned aerial vehicle, guarantees that unmanned aerial vehicle 1 is difficult for empting.

Telescopic machanism 4 includes telescopic link 401 and sliding plate 402, the equal fixedly connected with sliding plate 402 in telescopic link 401 both ends, the equal fixedly connected with expanding spring 403 of the sliding plate 402 other end, expanding spring 403 other end fixedly connected with expansion bracket 404, the sliding plate 402 outside and expansion bracket 404 sliding connection, the expansion bracket 404 other end passes through the axle and is connected with bracing piece 3 rotation, this kind of setting can make it have certain extension function, make its bracing piece 3 can rotate, and then increase the chassis, increase its stability.

The using method comprises the following steps:

step 1: when the unmanned aerial vehicle is used, the unmanned aerial vehicle 1 is checked to determine whether the electric quantity of the unmanned aerial vehicle 1 is sufficient and whether the wings 2 can be normally used;

step 2: place it subaerial, then carry out flight work through unmanned aerial vehicle 1, then carry out unmanned aerial vehicle 1's survey and drawing work:

and step 3: after surveying and mapping, when its unmanned aerial vehicle 1 descends, when pivot 601 below was 5m with the ground distance this moment, sensor 610 sent information for the built-in controller of unmanned aerial vehicle 1 this moment, then controller control rotates motor 602 and starts to make its screw shaft 603 rotate, then make screw shaft 603 drive thread bush 604 downstream, stopper 607 and sliding cylinder 606 downstream this moment, drive friction plate 609 downstream this moment, friction plate 609 stretches out pivot 601, when unmanned aerial vehicle 1 falls, its rotation cover 5 self rotates and realizes that unmanned aerial vehicle 1 can slide a section of journey, and friction plate 609 and ground contact friction, realize the shock attenuation buffering purpose under damping spring 608 effect, guarantee that unmanned aerial vehicle normally falls, and telescopic machanism 4's setting guarantees that bracing piece 3 can expand to both sides, increase chassis area, and then guarantee its stability.

The working process is as follows: when the unmanned aerial vehicle 1 is used normally, the support rod 3 is arranged on the telescopic rod 401, the sliding plate 402, the telescopic spring 403 and the telescopic frame 404 to support and limit the support rod 3, when the unmanned aerial vehicle 1 descends, the distance between the lower part of the sensor 610 and the ground is within 5m, the sensor sends a signal to a controller arranged in the unmanned aerial vehicle 1, the controller controls the rotating motor 602 to rotate, the rotating motor 602 drives the threaded shaft 603 to rotate, the threaded shaft 603 drives the threaded sleeve 604 to move downwards, the sliding blocks 605 on two sides move, the sliding blocks 605 slide to drive the limiting blocks 607 and the friction plates 609 to move, the friction plates 609 extend out of the rotating shaft 601, when the unmanned aerial vehicle descends, the rotating sleeve 5 is in contact with the ground, the rotating sleeve 5 is prevented from falling due to inertia, and under the action of the damping spring 608, the friction plates 609 are in contact with the ground, realize the purpose of "brake", guarantee that unmanned aerial vehicle 1 stably descends, and the stopper 607 that sets up guarantees that its sliding cylinder 606 slides steadily, has fine shock attenuation buffering effect.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The utility model provides an unmanned aerial vehicle for remote sensing survey and drawing, includes unmanned aerial vehicle (1) and wing (2), its characterized in that: wings (2) are fixedly connected to the periphery of the unmanned aerial vehicle (1), a support rod (3) is rotatably connected to the lower end face of the unmanned aerial vehicle (1), a telescopic mechanism (4) is arranged below the unmanned aerial vehicle (1), two sides of the telescopic mechanism (4) are rotatably connected with the support rod (3), a cushioning mechanism (6) is fixedly connected to the lower end face of the support rod (3), a rotating sleeve (5) is rotatably connected to the outer side of the cushioning mechanism (6), the cushioning mechanism (6) comprises a rotating shaft (601) and a rotating motor (602), the rotating motor (602) is fixedly connected to the inner portion of the rotating shaft (601), a threaded shaft (603) is fixedly connected to the tail end of a main shaft of the rotating motor (602), a threaded sleeve (604) is spirally connected to the outer side of the threaded shaft (603), a sliding block (605) is fixedly connected to the outer side of the threaded sleeve (604), and a limiting block (607) is slidably connected to the inner portion of the sliding block (605), the outer sides of the limiting blocks (607) are fixedly connected with sliding cylinders (606), friction plates (609) are connected inside the sliding cylinders (606) in a sliding mode, and damping springs (608) are arranged on the outer sides of the friction plates (609).

2. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: the outer side of the rotating shaft (601) is fixedly connected with a limiting ring (611), the outer diameter of the limiting ring (611) is 1.2 times of the outer diameter of the rotating shaft (601), an annular groove is formed in the rotating sleeve (5), and the rotating sleeve (5) is rotatably connected with the rotating shaft (601) through the annular groove.

3. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: one end of the damping spring (608) is fixedly connected with the sliding cylinder (606), and the other end of the damping spring (608) is fixedly connected with the friction plate (609).

4. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: the friction plates (609) are obliquely arranged, the outer sides of the friction plates (609) are connected with the rotating shaft (601) in a sliding mode, and the included angle between every two adjacent friction plates (609) is 120 degrees.

5. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: the sliding blocks (605) are arranged in a sector mode, and one surface, facing the sliding barrel (606), of each sliding block (605) is arranged in an inclined mode.

6. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: the number of the rotating sleeves (5) is four, and the rotating sleeves (5) are symmetrically arranged in a left-right mode about the center of the unmanned aerial vehicle (1).

7. The unmanned aerial vehicle for remote sensing mapping of claim 1, wherein: the telescopic mechanism (4) comprises a telescopic rod (401) and a sliding plate (402), the two ends of the telescopic rod (401) are fixedly connected with the sliding plate (402), the other end of the sliding plate (402) is fixedly connected with a telescopic spring (403), the other end of the telescopic spring (403) is fixedly connected with a telescopic frame (404), the outer side of the sliding plate (402) is slidably connected with the telescopic frame (404), and the other end of the telescopic frame (404) is rotatably connected with the supporting rod (3) through a shaft.

8. The method of using the drone for remote sensing and mapping according to any one of claims 1 to 7, characterized in that: the using method comprises the following steps:

step 1: when the unmanned aerial vehicle is used, the unmanned aerial vehicle (1) is checked to determine whether the electric quantity of the unmanned aerial vehicle (1) is sufficient and whether the wings (2) can be normally used;

step 2: place it subaerial, then carry out flight work through unmanned aerial vehicle (1), then carry out unmanned aerial vehicle (1)'s survey and drawing work:

and step 3: after surveying and mapping is completed, when the unmanned aerial vehicle (1) descends, the distance between the lower part of the rotating shaft (601) and the ground is 5m at the moment, the sensor (610) sends information to a built-in controller of the unmanned aerial vehicle (1), then the controller controls the rotating motor (602) to start to enable the threaded shaft (603) to rotate, then the threaded shaft (603) drives the threaded sleeve (604) to move downwards, at the moment, the limiting block (607) and the sliding cylinder (606) move downwards, at the moment, the friction plate (609) is driven to move downwards, the friction plate (609) extends out of the rotating shaft (601), when the unmanned aerial vehicle (1) falls, the rotating sleeve (5) rotates to enable the unmanned aerial vehicle (1) to slide for a distance, the friction plate (609) is in contact friction with the ground, the purpose of shock absorption and buffering is achieved under the action of the shock absorption spring (608), normal falling of the unmanned aerial vehicle is guaranteed, and the arrangement of the telescopic mechanism (4) ensures that the supporting rod (3) can be unfolded towards two sides, the area of the chassis is increased, and the stability of the chassis is further ensured.