CN115465446A - Unmanned aerial vehicle for forest resource investigation field investigation - Google Patents
Unmanned aerial vehicle for forest resource investigation field investigation Download PDFInfo
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- CN115465446A CN115465446A CN202211310103.9A CN202211310103A CN115465446A CN 115465446 A CN115465446 A CN 115465446A CN 202211310103 A CN202211310103 A CN 202211310103A CN 115465446 A CN115465446 A CN 115465446A
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- 238000011835 investigation Methods 0.000 title claims abstract description 40
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000004580 weight loss Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011295 pitch Substances 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an unmanned aerial vehicle for forest resource investigation and field investigation, which comprises: the system comprises a control room, a built-in control system and a lithium battery pack, wherein a weightlessness regulation and control assembly is fixedly assembled above the control room, and eight groups of rotor assemblies are fixedly assembled on the weightlessness regulation and control assembly; the sliding track is fixedly assembled on the lower bottom surface of the control room, an adjustable tripod head is assembled on the sliding track in a sliding manner, and an aerial camera is assembled on the adjustable tripod head in a rotating manner; the four groups of fixing frames are symmetrically arranged and are fixedly assembled on the outer surface of the control room, the lower end of each fixing frame is rotatably assembled with a rotating frame, and a tension spring is fixedly assembled between each group of fixing frames and the rotating frame.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for forest resource investigation and field investigation.
Background
Forestry investigation is carried out by taking forest lands, forest trees, animals and plants growing in forest areas and environmental conditions thereof as objects. Forest survey for short. The method aims to timely master the quantity, quality, growth and extinction dynamic rules of forest resources and the relation between the dynamic rules and natural environment, economy, management and other conditions, and serves for making and adjusting forestry policies, making forestry plans and identifying forest management effects so as to ensure that the forest resources are fully utilized in national economic construction and continuously improve the potential productivity of the forest resources. Because the satellite is easily influenced by weather and cloud layers, the remote sensing image resolution ratio is low, the refreshing period is long, and the use cost is high. Generally, the unmanned aerial vehicle remote sensing aerial photography is adopted, the defects of low resolution, poor timeliness and the like of satellite images can be effectively overcome, the data cost is greatly reduced, the workload of a basic level is reduced, and the efficiency and the quality of resource investigation are effectively improved.
Unmanned aerial vehicle can break away from user's control receiving under the condition that signal influence, extreme weather or battery power are not enough, and then falls from the high altitude, and current unmanned aerial vehicle does not meet the plan that this kind of condition was made to equipment, only can be let it fall to cause equipment to damage, when reducing investigation efficiency, improved the cost of investigation.
Therefore, there is a need to provide an unmanned aerial vehicle for forest resource survey and field survey to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme that the unmanned aerial vehicle for forest resource investigation field investigation comprises:
the system comprises a control room, a built-in control system and a lithium battery pack, wherein a weightlessness regulation and control assembly is fixedly assembled above the control room, and eight groups of rotor assemblies are fixedly assembled on the weightlessness regulation and control assembly;
the sliding track is fixedly assembled on the lower bottom surface of the control room, an adjustable tripod head is assembled on the sliding track in a sliding manner, and an aerial camera is assembled on the adjustable tripod head in a rotating manner;
the four groups of fixing frames are symmetrically arranged and are fixedly assembled on the outer surface of the control chamber, the lower end of each fixing frame is rotatably assembled with a rotating frame, and a tension spring is fixedly assembled between each group of fixing frames and the rotating frame.
Further, preferably, the weight loss control assembly is fixedly provided with a weight loss sensor.
Further, preferably, the weight loss control module comprises:
the control cabinet comprises a control chamber, a regulation and control shell and a control mechanism, wherein the regulation and control shell is fixedly assembled at the upper end of the control chamber, a first driving motor is embedded at the upper end of the regulation and control shell, and a driving gear is fixedly assembled on an output shaft of the first driving motor;
the regulating and controlling shell is of a regular octagonal structure, eight side centers of the regulating and controlling shell are rotatably assembled with rotating lead screws, transmission gears are fixedly assembled at the center ends of the rotating lead screws, the transmission gears are meshed with the driving gears, and the driving gears and the transmission gears are both placed inside the regulating and controlling shell.
Further, preferably, balance slide bars horizontally and symmetrically distributed along the rotating screw rod are fixedly assembled on each side surface of the regulating and controlling shell, a bearing block is assembled at the other end of each of the two groups of balance slide bars in a sliding manner, and the bearing block is assembled with the rotating screw rod in a threaded manner;
two sides of the other end of the bearing block are rotatably assembled with two groups of connecting rods, the two groups of connecting rods are rotatably assembled with a protective ring, the center of the lower end of the inner annular surface of the protective ring is fixedly provided with a sliding rod, and the sliding rod is slidably assembled in the center of the side of the bearing block.
Further, preferably, the rotary screw includes:
one end of the first lead screw is rotatably assembled on the regulating shell, the other end of the first lead screw is assembled on the bearing block in a threaded manner, two groups of transmission rods are coaxially fixed on the plane of the end of the first lead screw, the other sides of the two groups of transmission rods are slidably assembled with second lead screws, the second lead screws are coaxial with the first lead screws and are placed in the bearing block, the other ends of the second lead screws are assembled on the sliding rods in a threaded manner, and the thread pitch ratio of the first lead screws to the second lead screws is 1.5.
Further, as preferred, the piece is inside to have seted up two sets of balanced chambeies and a set of regulation chamber, all is provided with disappointing mouthful in every group cavity, just it is provided with the screw thread mouth to adjust the chamber right side.
Preferably, the two groups of connecting rods are distributed in a staggered manner from top to bottom, the connecting rod on the clockwise side of the bearing block is longer than the connecting rod on the counterclockwise side of the bearing block, and the protection ring is provided with a matching groove corresponding to the adjacent connecting rod.
Further, preferably, the rotor assembly includes:
the second driving motor is fixedly assembled on the plane telecentric end at the upper end of the bearing block, a rotating block is fixedly assembled on an output shaft of the second driving motor, two groups of rotors with mirror symmetry are rotationally assembled at the two ends of the middle side of the rotating block, and a limiter is fixedly assembled at the upper end of the rotating block.
Compared with the prior art, the invention provides an unmanned aerial vehicle for forest resource investigation and field investigation, which has the following beneficial effects:
according to the unmanned aerial vehicle, the sliding track and the adjustable cloud deck are arranged, the shooting angle of the aerial camera can be adjusted, clear pictures can be shot, and the unmanned aerial vehicle is convenient for workers to conduct follow-up arrangement.
Drawings
FIG. 1 is a schematic view of an unmanned aerial vehicle for field investigation of forest resource;
FIG. 2 is a schematic structural diagram of an unmanned aerial vehicle weight loss control assembly for forest resource investigation field investigation;
FIG. 3 is a schematic view of a receiving block structure of an unmanned aerial vehicle for forest resource investigation in field investigation;
FIG. 4 is a schematic view of a rotor assembly of an unmanned aerial vehicle for field investigation of forest resource;
in the figure: 1. a control room; 2. a weight loss regulation component; 3. a rotor assembly; 4. a sliding track; 5. an adjustable holder; 6. an aerial camera; 7. a fixed mount; 8. a rotating frame; 9. a tension spring; 10. a weight loss sensor; 21. a control shell; 22. a first drive motor; 23. a driving gear; 24. a transmission gear; 25. rotating the lead screw; 26. a balance slide bar; 27. a slide bar; 28. a bearing block; 29. a connecting rod; 210. a guard ring; 211. a mating groove; 251. a first lead screw; 252. a second lead screw; 253. a transmission rod; 281. a balancing chamber; 282. an adjustment chamber; 283. a threaded opening; 284. an air escape opening; 31. a second drive motor; 32. rotating the block; 33. a rotor; 34. and a limiting stopper.
Detailed Description
Referring to fig. 1 to 4, the present invention provides an unmanned aerial vehicle for forest resource investigation, comprising:
the system comprises a control room 1, a built-in control system and a lithium battery pack, wherein a weightlessness regulation and control assembly 2 is fixedly assembled above the control room 1, and eight groups of rotor assemblies 3 are fixedly assembled on the weightlessness regulation and control assembly 2;
the sliding track 4 is fixedly assembled on the lower bottom surface of the control room 1, an adjustable tripod head 5 is assembled on the sliding track in a sliding manner, and an aerial camera 6 is assembled on the adjustable tripod head 5 in a rotating manner;
four groups of fixed frames 7 are symmetrically arranged and are fixedly assembled on the outer surface of the control room 1, the lower end of each fixed frame is rotatably assembled with a rotating frame 8, and a tension spring 9 is fixedly assembled between each fixed frame 7 and each rotating frame 8;
as a preferred embodiment, the adjustable pan/tilt 5 can autonomously adjust its position on the sliding track 4 according to the shooting condition of the aerial camera 6, and the aerial camera 6 can also autonomously control the adjustable pan/tilt 5 to adjust according to the shooting condition, so as to obtain a more perfect shooting angle, so as to shoot clear photos, thereby facilitating the subsequent arrangement of the workers, the rotating frame 8 is limited in the direction of compressing the tension spring 9 and can only rotate in the direction of stretching the tension spring 9, and the device is provided with eight sets of rotors 33, so that the flight of the unmanned aerial vehicle is more stable, when the unmanned aerial vehicle is affected by signals, extreme weather or insufficient battery power, the eight sets of rotors 33 can stop rotating, no one can freely fall, and the unmanned aerial vehicle is in a weightlessness state, the weightlessness regulation and control component 2 can start up to shrink the unmanned aerial vehicle, while protecting the device, reduce the impact area of the device, reduce the damage caused by impact to the greatest extent, the rotor assembly 3 can adjust the position of the rotors 33, avoid the damage to the unmanned aerial vehicle, and if four sets of the rotating frame 8 can first land on the ground, rotate in the direction of the tension corresponding to the tension spring 9, and convert the impact force of the rotating frame into an impact force, so as to offset the impact force of the impact force, thereby protecting device, and protect the impact force of the landing.
Further, a weightlessness sensor 10 is fixedly assembled on the weightlessness regulation and control component 2, and when the weightlessness sensor 10 senses that the equipment is in a weightlessness state, the weightlessness regulation and control component 2 is started to shrink the unmanned aerial vehicle at the first time, so that the situation that the weightlessness regulation and control component 2 shrinks untimely and finally the unmanned aerial vehicle is damaged is prevented.
Further, the weight loss control assembly 2 comprises:
the control cabinet comprises a regulation and control shell 21 fixedly assembled at the upper end of the control room 1, wherein a first driving motor 22 is embedded at the upper end of the regulation and control shell 21, and a driving gear 23 is fixedly assembled on an output shaft of the first driving motor 22;
the regulating and controlling shell 21 is of a regular octagonal structure, centers of eight side surfaces of the regulating and controlling shell are respectively and rotatably assembled with a rotating lead screw 25, a transmission gear 24 is fixedly assembled at the center end of the rotating lead screw 25, the transmission gear 24 is meshed with the driving gear 23, and the driving gear 23 and the transmission gear 24 are both arranged inside the regulating and controlling shell 21;
as a preferred embodiment, the weight loss control assembly 2 is configured with an independent small power supply, so that even if the unmanned aerial vehicle is not powered, the standby power supply can be started to operate, the rotating lead screw 25 does not slide relative to the control shell 21 during the rotation process, and the transmission ratio of the driving gear 23 to the transmission gear 24 is 2, so that the weight loss control work of the device can be completed more quickly.
Further, balance slide bars 26 horizontally and symmetrically distributed along the rotating lead screw 25 are fixedly assembled on each side surface of the regulating and controlling shell 21, a bearing block 28 is assembled at the other end of each of the two groups of balance slide bars 26 in a sliding manner, and the bearing block 28 is assembled with the rotating lead screw 25 in a threaded manner;
two groups of connecting rods 29 are rotatably assembled at two sides of the other end of the bearing block 28, two groups of connecting rods 29 are rotatably assembled with a protective ring 210, a sliding rod 27 is fixedly arranged at the center of the lower end of the inner ring surface of the protective ring 210, and the sliding rod 27 is slidably assembled at the center of the bearing block 28;
in a preferred embodiment, the balance slide bar 26 keeps the receiving block 28 in a horizontal state all the time to prevent the receiving block 28 from rotating along with the rotating lead screw 25, the protecting ring 210 is made of plastic, and can elastically deform while having a certain supporting capacity, so as to counteract a part of falling impact force on the premise of forming protection, and further protect the device better, when the weightlessness sensor 10 senses that the device is in a weightlessness state, the first driving motor 22 is started to drive the driving gear 23 to rotate, the transmission gear 24 matched with the driving gear to rotate, and finally the rotating lead screw 25 is driven to rotate, and the receiving block 28 in threaded assembly with the rotating lead screw 25 moves towards the center of the device under the rotation of the receiving block, and simultaneously drives other components to contract towards the center of the device.
Further, the rotary screw 25 includes:
a first lead screw 251, one end of which is rotatably assembled on the adjusting and controlling shell 21, the other end of which is threadedly assembled on the bearing block 28, and two sets of transmission rods 253 are coaxially fixed on the end plane of the first lead screw 251, the other side of the two sets of transmission rods 253 is slidingly assembled with a second lead screw 252, the second lead screw 252 is coaxial with the first lead screw 251 and is placed in the bearing block 28, the other end of which is threadedly assembled on the sliding rod 27, and the thread pitch ratio of the first lead screw 251 to the second lead screw 252 is 1.5;
in a preferred embodiment, the pitch ratio between the first lead screw 251 and the second lead screw 252 is 1.5, when the transmission gear 24 rotates for a circle, the first lead screw 251 moves 1.5 times as long as the second lead screw 252 relative to the receiving block 28, the two sets of transmission rods 253 compensate for the distance difference caused by the different pitches by the relative sliding between the transmission rods 253 and the second lead screw 252 while ensuring that the first lead screw 251 and the second lead screw 252 rotate synchronously, when the first lead screw 251 rotates, the receiving block 28 and the guard ring 210 are driven to move towards the center of the apparatus, the second lead screw 252 synchronized with the same drives the sliding rod 27 to move towards the inside of the receiving block under rotation, and the transmission rods 253 slides towards the inside of the second lead screw 252 to offset the pitch difference, and simultaneously, because the sliding rod 27 continuously moves inwards, the distance between the center of the ring surface of the guard ring 210 and the receiving block 28 is continuously reduced and deformed under the support of the connection rod 29 to form an arc surface with a continuously increased radius until the rotating lead screw 25 moves to its limit position.
Further, two sets of balanced chambeies 281 and a set of regulation chamber 282 have been seted up to the piece 28 that connects inside, all be provided with disappointing mouth 284 in every group chamber, just it is provided with screw hole 283 to adjust chamber 282 right side, communicate with each other with the external world in the chamber during mouthful 284 that disappointing, prevent balanced slide bar 26 and rotation lead screw 25 and seal the slip difficulty that causes because of the chamber in the slip process, prevent simultaneously that the expend with heat and contract with cold phenomenon of its internal gas from leading to equipment out of control under the sealed condition. .
Furthermore, the two groups of connecting rods 29 are distributed in a staggered manner, the connecting rod 29 on the clockwise side of the bearing block 28 is longer than the connecting rod 29 on the counterclockwise side, and the guard ring 210 is provided with a matching groove 211 corresponding to the adjacent connecting rod 29;
as a preferred embodiment, when the receiving block 28 contracts, the protection ring 210 is continuously expanded, in order to prevent the mutual influence, the two groups of connecting rods 29 are set to different lengths, because the two adjacent groups of connecting rods 29 are different in length, and can form a part of overlap in the expanding process, and meanwhile, the protection ring 210 is provided with a matching groove 211, so that the two adjacent groups of protection rings 210 are not influenced by the connecting rods 29 in the overlapping process, and finally, the eight groups of protection rings 210 are mutually overlapped to form a wheel-shaped object, thereby better protecting the central member of the wheel-shaped object, greatly improving the survival probability of the unmanned aerial vehicle under extreme conditions, improving the investigation efficiency to a certain extent, and reducing the consumption.
Further, rotor assembly 3 includes:
the second driving motor 31 is fixedly assembled at the far end of the upper end plane of the bearing block 28, the output shaft of the second driving motor 31 is fixedly assembled with a rotating block 32, two ends of the middle side of the rotating block 32 are rotatably assembled with two groups of rotor wings 33 in mirror symmetry, and the upper end of the rotating block 32 is fixedly assembled with a limiter 34.
As a preferred embodiment, when the unmanned aerial vehicle flies normally, the unmanned aerial vehicle is driven by the second driving motor 31, and the two sets of the rotary wings 33 are kept in a vertical state with the bearing block 28 in an initial state, when the unmanned aerial vehicle is affected by a signal, in extreme weather or in the case of insufficient battery power, the second driving motor 31 stops working, at this time, because of the inertia of the motor, the rotary wings 33 continue to rotate, at this time, the stopper 34 is opened, and finally, the positions of the rotary wings 33 are kept consistent with the initial position, so that the weightlessness control assembly 2 is prevented from extruding the rotary wings 33 in the retraction process, and the rotary wings 33 are prevented from being broken.
When the method is specifically implemented, the method comprises the following steps: when the unmanned aerial vehicle is in a designated position, the shooting angle of the aerial camera 6 and the position of the adjustable holder 5 on the sliding track 4 can be automatically adjusted according to the shooting condition of the aerial camera 6 so as to shoot clear photos, and the unmanned aerial vehicle can conveniently carry out subsequent arrangement by workers, when the unmanned aerial vehicle is influenced by signals and is in extreme weather or insufficient battery power, eight groups of rotors 33 stop rotating, and the unmanned aerial vehicle can freely fall, and is in a weightless state at the moment, the weightless regulation and control assembly 2 can be started to shrink the unmanned aerial vehicle, so that the impact area of equipment is reduced while the equipment is protected, and the damage caused by impact is reduced to the maximum extent, the rotor assembly 3 can adjust the positions of the rotors 33 through the limiter 34 at the moment of weightlessness so as to avoid the damage of the rotors, meanwhile, if the bottom surface is landed first, the four groups of rotating frames 8 can rotate towards the direction corresponding to the tension springs 9, and the impact force of the tension springs 9 is converted into the force for promoting the extension of the tension springs 9 through rotation, so that a part of the impact force is counteracted, and the equipment is protected from being damaged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. The utility model provides an unmanned aerial vehicle that forest resources investigation field investigation was used which characterized in that: the method comprises the following steps:
the system comprises a control room (1), a built-in control system and a lithium battery pack, wherein a weightlessness regulation and control assembly (2) is fixedly assembled above the control room, and eight rotor assemblies (3) are fixedly assembled on the weightlessness regulation and control assembly (2);
the sliding track (4) is fixedly assembled on the lower bottom surface of the control room (1), an adjustable tripod head (5) is assembled on the sliding track in a sliding manner, and an aerial photography camera (6) is assembled on the adjustable tripod head (5) in a rotating manner;
the fixed frame (7) is symmetrically provided with four groups, all the fixed frames are fixedly assembled on the outer surface of the control room (1), the lower end of each fixed frame is rotatably assembled with a rotating frame (8), and a tension spring (9) is fixedly assembled between each fixed frame (7) and each rotating frame (8).
2. An unmanned aerial vehicle for forest resource investigation field investigation as claimed in claim 1, wherein: a weightlessness sensor (10) is fixedly assembled on the weightlessness regulation and control component (2).
3. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 1, wherein: the weight loss control assembly (2) comprises:
the control cabinet comprises a control shell (21) which is fixedly assembled at the upper end of the control room (1), a first driving motor (22) is embedded at the upper end of the control shell (21), and a driving gear (23) is fixedly assembled on an output shaft of the first driving motor (22);
the regulation and control shell (21) is regular octagon structure, and its eight side centers all rotate and are equipped with and rotate lead screw (25), it is equipped with drive gear (24) to rotate lead screw (25) central point end fixed, drive gear (24) and driving gear (23) mesh mutually, just driving gear (23) and drive gear (24) are all placed inside regulation and control shell (21).
4. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 3, wherein: balance sliding rods (26) horizontally and symmetrically distributed along a rotating lead screw (25) are fixedly assembled on each side surface of the regulating and controlling shell (21), a bearing block (28) is assembled at the other end of each group of balance sliding rods (26) in a sliding mode, and the bearing block (28) is in threaded assembly with the rotating lead screw (25);
two groups of connecting rods (29) are rotatably assembled on two sides of the other end of the bearing block (28), two groups of connecting rods (29) are rotatably assembled with a protective ring (210), a sliding rod (27) is fixedly arranged at the center of the lower end of the inner ring surface of the protective ring (210), and the sliding rod (27) is slidably assembled in the center of the side of the bearing block (28).
5. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 3, wherein: the rotary screw (25) comprises:
one end of a first lead screw (251) is rotatably assembled on the adjusting and controlling shell (21), the other end of the first lead screw is assembled on the bearing block (28) in a threaded mode, two groups of transmission rods (253) are coaxially fixed on the end plane of the first lead screw (251), the other sides of the two groups of transmission rods (253) are assembled with a second lead screw (252) in a sliding mode, the second lead screw (252) is coaxial with the first lead screw (251) and placed in the bearing block (28), the other end of the second lead screw is assembled on a sliding rod (27) in a threaded mode, and the pitch ratio of the first lead screw (251) to the second lead screw (252) is 1.5.
6. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 4, wherein: two sets of balanced chambeies (281) and a set of regulation chamber (282) have been seted up to socket piece (28) inside, all be provided with in every group chamber and lose heart (284), just it is provided with screw thread mouth (283) to adjust chamber (282) right side.
7. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 4, wherein: the two groups of connecting rods (29) are distributed in a staggered manner from top to bottom, the connecting rod (29) on the clockwise side of the bearing block (28) is longer than the connecting rod (29) on the anticlockwise side of the bearing block, and the guard ring (210) is provided with a matching groove (211) corresponding to the adjacent connecting rod (29).
8. An unmanned aerial vehicle for forest resource investigation and field investigation as claimed in claim 1, wherein: the rotor assembly (3) comprises:
second driving motor (31), fixed assembly is in on the bearing block (28) upper end plane telecentric end, fixed assembly is equipped with turning block (32) on the output shaft of second driving motor (31), the rotation of turning block (32) middle side both ends is equipped with two sets of rotors (33) of mirror symmetry, fixed assembly is equipped with stopper (34) in turning block (32) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211310103.9A CN115465446A (en) | 2022-10-25 | 2022-10-25 | Unmanned aerial vehicle for forest resource investigation field investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211310103.9A CN115465446A (en) | 2022-10-25 | 2022-10-25 | Unmanned aerial vehicle for forest resource investigation field investigation |
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| CN115465446A true CN115465446A (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211310103.9A Pending CN115465446A (en) | 2022-10-25 | 2022-10-25 | Unmanned aerial vehicle for forest resource investigation field investigation |
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