CN113022865A

CN113022865A - Unmanned aerial vehicle is used in survey and drawing

Info

Publication number: CN113022865A
Application number: CN202110409254.9A
Authority: CN
Inventors: 贺振; 贺俊平; 苗杰
Original assignee: Shangqiu Normal University
Current assignee: Shangqiu Normal University
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-06-25

Abstract

The invention discloses an unmanned aerial vehicle for surveying and mapping, which comprises a controller, an air bag, a gas storage box, an air nozzle, a rotating device and an air bag releasing device, wherein the controller controls the opening of a cover plate, the air bag can be filled with helium to provide lift force for the unmanned aerial vehicle, the gas storage box stores the helium and is provided with a gas release switch, the helium is filled into the air bag when the cover plate opens the air bag to release, the air nozzle can be opened under the control of an operator, the rotating device can regulate and control the angle of a propeller, so that the propeller can be adjusted according to different states of the unmanned aerial vehicle, the air bag releasing device can regulate and control the release of the air bag, the air bag releasing device and the air bag are separated from an unmanned aerial vehicle body at the.

Description

Unmanned aerial vehicle is used in survey and drawing

Technical Field

The invention belongs to the technical field of surveying and mapping, and particularly relates to an unmanned aerial vehicle for surveying and mapping.

Background

A drone is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device. With the continuous development of unmanned aerial vehicle technology, unmanned aerial vehicle survey and drawing measurement plays a very important role in remote sensing survey and drawing. Because the device has the advantages of low cost, good cost-effectiveness ratio, good maneuvering performance, convenient use and the like, the device is widely applied to the fields of aerial photography, agriculture, plant protection, self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, electric power inspection, disaster relief, movie and television shooting and the like. The unmanned aerial vehicle is provided with various sensors, such as a camera, can realize real-time image transmission and high-risk area detection functions, and is widely applied to the fields of fire fighting, military affairs, traffic, police affairs, exploration, meteorology and the like so as to realize cruise shooting and monitoring of specified areas. At present, most unmanned aerial vehicles are designed and manufactured based on the flight principle of helicopters, and can realize vertical lifting and high-altitude hovering, so that the requirements of aerial photography and monitoring are met, and the unmanned aerial vehicles are most commonly fixed wing type and multi-rotor type. However, the problem lies in that the lift source of the unmanned aerial vehicle of the prior art is generally only a rotor, the power source of the multi-rotor unmanned aerial vehicle is generally a battery, the battery of the unmanned aerial vehicle of the prior four rotors is generally 5000mAh, the flight time of the unmanned aerial vehicle is only 15-20 minutes, the endurance is poor, the rotor of the unmanned aerial vehicle of the prior art is generally fixed at the tail end of the support arm, the rotating angle of the rotor can not be adjusted, the flexibility of the unmanned aerial vehicle is insufficient, some auxiliary lift devices are too small to bear most of the weight of the unmanned aerial vehicle, and the stability of the unmanned aerial vehicle is affected by too large lift.

Disclosure of Invention

The invention aims to solve the problem that the unmanned aerial vehicle for surveying and mapping in the prior art is poor in stability.

In order to achieve the purpose, the invention adopts the following technical scheme: an unmanned aerial vehicle for surveying and mapping comprises a body and an air bag, wherein an air bag fixing device is arranged below the air bag, an air bag storage box is arranged below the air bag fixing device, an air bag releasing device is arranged above the air bag storage box, a second rotating shaft is arranged in the middle of the left side of the air bag releasing device, a first connecting rod is arranged on the right side of the second rotating shaft, a clamping ring is arranged on the left side of the first connecting rod, a fixing plate is arranged on the inner side of the clamping ring, a vent is arranged in the middle of the fixing plate, a second connecting rod is arranged on the left side of the second rotating shaft, a first clamping sheet is arranged on the right side of the middle of the second connecting rod, a first push rod is arranged on the left side of the first push rod, a second clamping sheet is arranged on the left side of the second push rod, a second spring cushion block is arranged on the left side of the second spring, the spring is fixed in, the rack below sets up first spring, the first spring outside sets up the spring box, the spring box below sets up the sliding tray, the rack top sets up the gear, the gear middle part sets up the fixed axle, the gear left side sets up first transmission shaft, first transmission shaft left side sets up first shaft coupling, first shaft coupling left side sets up first motor, the first motor outside sets up the motor fixed plate, gasbag release device right side sets up the apron, the apron both sides set up the controller, gasbag storage box top left side sets up speed sensor, gasbag storage box below sets up the fuselage, the fuselage outside sets up rotating device, the rotating device outside sets up the screw support, screw support top sets up the screw, the screw middle part sets up the screw locking cap, the fuselage inboard sets up the gas holder, the gas holder top sets up the hose, the gas holder below sets up the jet orifice, the gas holder outside sets up the foot rest, the fuselage below sets up the.

The right side of the rotating device is provided with a reinforcing plate, the right side of the reinforcing plate is provided with a rotating cavity, the right side of the reinforcing plate is provided with an engaging internal gear, the middle part of the engaging internal gear is provided with an engaging external gear, the right side of the engaging external gear is provided with a second coupler, the right side of the second coupler is provided with a second transmission shaft, and the right side of the second transmission shaft is provided with a second motor.

The air bag fixing device is characterized in that an cover plate is arranged above the air bag fixing device, an air bag air inlet pipe is arranged on the right side of the cover plate, a first fixing ring is arranged in the middle of the cover plate, a hinge is arranged below the cover plate, an air bag releasing device is arranged below the hinge, a hose is arranged below the air bag releasing device, a second fixing ring is arranged on the outer side of the hose, and an air bag rubber ring is arranged below the air bag air.

Preferably, the storage tank stores compressed helium.

Preferably, the first spring is located at both sides of the sliding groove.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, the body of the unmanned aerial vehicle is provided with the gas storage tank, compressed helium is stored in the gas storage tank, the upper part of the unmanned aerial vehicle is provided with the controller, the controller is opened to enable the cover plate to bounce upwards, the gas storage tank inputs the helium into the air bag through the hose, the air bag is vertically upwards controlled by the air bag fixing device, the diameter of the air bag reaches more than three meters, most of lifting force required by the unmanned aerial vehicle is provided, the propeller rotates through the rotating device at the moment, the propeller can maintain the stability of the unmanned aerial vehicle besides providing part of the lifting force, the speed measuring device detects the wind speed and adjusts the rotating angle of the propeller in real time to enable the unmanned aerial vehicle to be stable, the air bag releasing device is opened when the unmanned aerial vehicle descends to release the air bag and the air bag fixing device into the air, the unmanned aerial vehicle, surplus helium is sprayed downwards to reduce the falling speed of the unmanned aerial vehicle, and helium is released from the air outlet of the air bag quickly, falls after the lift force is smaller than the gravity, and slowly falls to the ground.

Drawings

FIG. 1 is a block diagram of the present invention;

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

FIG. 3 is a view showing the construction of an automatic release device according to the present invention;

FIG. 4 is a view showing the construction of a rotary device according to the present invention;

FIG. 5 is an enlarged view of the airbag mounting assembly of the present invention.

Names in the figures

1. A fixed shaft; 2. a controller; 3. an air bag; 4. a propeller; 5. a propeller support; 6. a gas storage tank; 7. a body; 8. a device bin; 9. a foot rest; 10. an air jet; 11. a rotating device; 12. a propeller fixing cap; 13. a hose; 14. an airbag storage box; 15. an airbag fixing device; 16. a cover plate; 17. an air bag release device; 18. a speed measuring device; 19. a gear; 20. a rack; 21. a first spring; 22. a spring box; 23. a first rotating shaft; 24. a sliding groove; 25. a first chucking sheet; 26. a second rotating shaft; 27. a clamping ring; 28. an air release port; 29. a fixing plate; 30. a first connecting rod; 31. a second connecting rod; 32. a first push rod; 33. a body; 34. a second spring; 35. a spring cushion block; 36. a second chucking sheet; 37. a second push rod; 38. a motor fixing plate; 39. a first motor; 40. a first drive shaft; 41. a first coupling; 1101. a reinforcing plate; 1102. a rotating chamber; 1103. an internal gear is meshed; 1104. engaging an external gear; 1105. a second motor; 1106. a second drive shaft; 1107. a second coupling; 1501. an air inlet pipe of an air bag; 1502. a first retaining ring; 1503. an air bag rubber ring; 1504. a second retaining ring; 1506. and (7) a hinge.

Detailed Description

The invention is further illustrated with reference to the accompanying figures 1 to 5: an unmanned aerial vehicle for surveying and mapping comprises a machine body 7 and an air bag 3, the diameter of the inflated air bag 3 is expanded to more than three meters, an air bag fixing device 15 is arranged below the air bag 3, a cover plate 16 is arranged above the air bag fixing device 15, an air bag air inlet pipe 1501 is arranged on the right side of the cover plate 16, a first fixing ring 1502 is arranged in the middle of the cover plate 16, the air bag air inlet pipe 1501 is fixed by the first fixing ring 1502, an air bag rubber ring 1503 is clamped to prevent the air bag 3 from being separated when the air bag 3 is deflated, a hinge 1506 is arranged below the cover plate 16, the cover plate 16 is rotated by 90 degrees through the hinge 1506, an air bag releasing device 17 is arranged below the hinge 1506, a hose 13 is arranged below the air bag releasing device 17, helium is inflated into the air bag 3 through the hose 13, a second fixing ring 1504 is arranged on the outer side of the hose 13, the air bag rubber, an air bag releasing device 17 is arranged above an air bag storage box 14, a second rotating shaft 26 is arranged in the middle of the left side of the air bag releasing device 17, a first connecting rod 30 is arranged on the right side of the second rotating shaft 26, a clamping ring 27 is arranged on the left side of the first connecting rod 30, the air bag air inlet pipe 1501 is clamped by the clamping ring 27, a fixing plate 29 is arranged on the inner side of the clamping ring 27, an air release opening 28 is arranged in the middle of the fixing plate 29, a second connecting rod 31 is arranged on the left side of the second rotating shaft 26, a first clamping sheet 25 is arranged on the right side of the middle of the second connecting rod 31, a first push rod 32 is arranged on the left side of the middle of the second connecting rod 31, a second push rod 37 is arranged on the left side of the second push rod 37, a second clamping sheet 36 is arranged on the left side of the second clamping sheet 36, a spring cushion block 35 is arranged on the left side of the second spring 34, the spring cushion block, the utility model discloses a rack 20 below sets up first spring 21, first spring 21 is located the both sides and the specification difference of sliding tray 24, the first spring 21 outside sets up spring box 22, spring box 22 below sets up sliding tray 24, first spring 21 is located the both sides of sliding tray 24, rack 20 top sets up gear 19, gear 19 middle part sets up fixed axle 1, gear 19 left side sets up first transmission shaft 40, first transmission shaft 40 left side sets up first shaft coupling 41, first shaft coupling 41 left side sets up first motor 39, the first motor 39 outside sets up motor fixed plate 38.

When the device is ready to be separated, the first motor 39 works, the first transmission shaft 40 rotates the gear 19, the gear 19 drives the rack 20 to rotate, the rack 20 enables the second connecting rod 31 to move leftwards, the first clamping sheet 25 moves leftwards along with the leftward movement of the second connecting rod 31, the first push rod 32 moves leftwards, the second push rod 37 on the left side of the first push rod 32 enables the second clamping sheet 36 to move leftwards, the clamping ring 27 loosens the air bag air inlet pipe 1501 while the first clamping sheet 25 and the second clamping sheet 36 are separated, the air bag 3 and the air bag release device 17 are separated simultaneously to prevent the air bag 3 from winding on the propeller 4 in the air leakage process, the cover plate 16 is arranged on the right side of the air bag release device 17, the controller 2 is arranged on two sides of the cover plate 16, the controller 2 controls the opening of the cover plate 16, when the air bag 3 is inconvenient to open on the ground, the unmanned aerial vehicle flies to a certain height first and then opens the cover plate 16, the, the speed measuring device 18 detects the air flow rate and adjusts the rotating angle of the propeller 4 according to the air flow rate, so that the unmanned aerial vehicle is kept stable, the machine body 7 is arranged below the air bag storage box 14, the rotating device 11 is arranged outside the machine body 7, the reinforcing plate 1101 is arranged on the right side of the rotating device 11, the rotating cavity 1102 is arranged on the right side of the reinforcing plate 1101, the meshed internal gear 1103 is arranged on the right side of the reinforcing plate 1101, the meshed external gear 1104 is arranged in the middle of the meshed internal gear 1103, the second coupler 1107 is arranged on the right side of the meshed external gear 1104, the second transmission shaft 1106 is arranged on the right side of the second coupler 1107, the second motor 1105 is arranged on the right side of the second transmission shaft 1106, the propeller support 5 is arranged outside the rotating device 11, the propeller 4 is arranged above the propeller support 5, the propeller fixing cap 12 is arranged in the middle of the propeller 4, the air storage box, 6 tops of gas storage tank set up hose 13, and 6 below of gas storage tank set up air jet 10, and air jet 10 can fill into compressed helium simultaneously, opens air jet 10 when unmanned aerial vehicle descends and spouts the speed that can reduce unmanned aerial vehicle downwards, prevents that unmanned aerial vehicle from appearing damaging.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle is used in survey and drawing, its characterized in that: comprises a machine body and an air bag, an air bag fixing device is arranged below the air bag, an air bag storage box is arranged below the air bag fixing device, an air bag releasing device is arranged above the air bag storage box, a second rotating shaft is arranged in the middle of the left side of the air bag releasing device, a first connecting rod is arranged on the right side of the second rotating shaft, a clamping ring is arranged on the left side of the first connecting rod, a fixing plate is arranged on the inner side of the clamping ring, a vent is arranged in the middle of the fixing plate, a second connecting rod is arranged on the left side of the second rotating shaft, a first clamping sheet is arranged on the left side of the middle of the second connecting rod, a first push rod is arranged on the left side of the first push rod, a second clamping sheet is arranged on the left side of the second push rod, a second spring is arranged on the left side of the second clamping sheet, a spring cushion block is arranged on the left side of the second spring, the, the first spring outside sets up the spring box, the spring box below sets up the sliding tray, the rack top sets up the gear, the gear middle part sets up the fixed axle, the gear left side sets up first transmission shaft, first transmission shaft left side sets up first shaft coupling, first shaft coupling left side sets up first motor, the first motor outside sets up the motor fixed plate, gasbag release right side sets up the apron, the apron both sides set up the controller, gasbag storage box top left side sets up speed sensor, gasbag storage box below sets up the fuselage, the fuselage outside sets up rotating device, the rotating device outside sets up the propeller support, propeller support top sets up the propeller, the propeller middle part sets up the propeller fixing cap, the fuselage inboard sets up the gas storage box, the gas storage box top sets up the hose, the gas storage box below sets up the jet orifice, the gas storage box outside sets up the foot rest, the fuselage below sets up the device storehouse.

2. The unmanned aerial vehicle for surveying and mapping of claim 1, wherein the rotating device right side is provided with a plate, the right side of the reinforcing plate is provided with a rotating cavity, the right side of the reinforcing plate is provided with an internal meshing gear, the middle part of the internal meshing gear is provided with an external meshing gear, the right side of the external meshing gear is provided with a second coupling, the right side of the second coupling is provided with a second transmission shaft, and the right side of the second transmission shaft is provided with a second motor.

3. The unmanned aerial vehicle is used in survey and drawing of claim 1, characterized in that, gasbag fixing device top sets up the apron, and the apron right side sets up the gasbag intake pipe, and the apron middle part sets up first solid fixed ring, and the apron below sets up the hinge, sets up gasbag release below the hinge, sets up the hose below the gasbag release, and the hose outside sets up second solid fixed ring, sets up gasbag rubber circle below the gasbag intake pipe.

4. A unmanned aerial vehicle for surveying and mapping according to claim 1, wherein compressed helium gas is stored in said gas storage tank.

5. The unmanned aerial vehicle for surveying and mapping of claim 1, wherein the first spring is located on both sides of the sliding groove.