CN110615092A - Forestry is unmanned aerial vehicle undercarriage for fire prevention - Google Patents
Forestry is unmanned aerial vehicle undercarriage for fire prevention Download PDFInfo
- Publication number
- CN110615092A CN110615092A CN201910950646.9A CN201910950646A CN110615092A CN 110615092 A CN110615092 A CN 110615092A CN 201910950646 A CN201910950646 A CN 201910950646A CN 110615092 A CN110615092 A CN 110615092A
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- CN
- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- lifting seat
- hinged
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/04—Arrangement or disposition on aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/24—Operating mechanisms electric
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an unmanned aerial vehicle undercarriage for forestry fire prevention, which comprises a base and a lifting seat, wherein the lifting seat is arranged on the base; the lifting seat is arranged above the base, a plurality of push-pull rods are hinged around the lifting seat, the push-pull rods are in one-to-one correspondence with the sliding blocks, the lower ends of the push-pull rods are hinged with the sliding blocks on the same side, a plurality of first connecting rods are hinged to the outer side of the first threaded sleeve, the first connecting rods are in one-to-one correspondence with the push-pull rods, and the other ends of the first connecting rods are hinged with the inner sides of the push-pull rods. When the unmanned aerial vehicle lands, the lifting seat moves upwards, so that the resistance between the undercarriage and the air is increased, the stable landing of the unmanned aerial vehicle is ensured, and when the unmanned aerial vehicle takes off, the resistance between the undercarriage and the air is reduced, so that the unmanned aerial vehicle takes off quickly.
Description
Technical Field
The invention relates to the technical field of forestry fire prevention, in particular to an unmanned aerial vehicle undercarriage for forestry fire prevention.
Background
The forest is a biological community taking woody plants as main bodies, is a total body of an ecological system formed by mutual restriction of concentrated arbors and interdependencies among other plants, animals, microorganisms and soil and mutual influence on the environment.
Forest fires are the most dangerous enemies of forests and the most feared disasters of forestry, which can cause the most harmful and devastating consequences to forests. Forest fires not only burn pieces of forest to damage animals in the forest, but also reduce the reproductive capacity of the forest, cause soil impoverishment and destroy forest conservation water sources, and even cause the ecological environment to lose balance.
The unmanned plane is called unmanned plane for short, and is called UAV in English, and is an unmanned aerial vehicle operated by using a radio remote control device and a self-contained program control device. Unmanned aerial vehicles are in fact a general term for unmanned aerial vehicles, and can be defined from a technical perspective as follows: unmanned helicopters, unmanned fixed wing aircraft, unmanned multi-rotor aircraft, unmanned airships, and unmanned parawing aircraft. Compared with manned aircraft, it has the advantages of small volume, low cost, convenient use, low requirement on the operational environment, strong battlefield viability and the like. Since the unmanned aircraft has important significance for future air battles, the research and development work of the unmanned aircraft is carried out in all major military countries in the world.
The existing unmanned aerial vehicle undercarriage is fixedly arranged, so that the structure and the function are too simple, and the form can not be adjusted according to the flight and landing of the unmanned aerial vehicle; meanwhile, the damping device of the existing unmanned aerial vehicle undercarriage is single, so that the stability of the unmanned aerial vehicle during landing is influenced, and the unmanned aerial vehicle is easy to damage.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle undercarriage for forestry fire prevention, which aims 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 undercarriage for forestry fire prevention comprises a base and a lifting seat; the lifting seat is arranged above the base, a plurality of push-pull rods are hinged around the lifting seat, the push-pull rods are in one-to-one correspondence with the sliding blocks, the lower ends of the push-pull rods are hinged with the sliding blocks on the same side, a plurality of first connecting rods are hinged to the outer side of the first threaded sleeve, the first connecting rods are in one-to-one correspondence with the push-pull rods, and the other ends of the first connecting rods are hinged with the inner sides of the push-pull rods.
As a further scheme of the invention: the middle position of the lifting seat is provided with a through hole.
As a still further scheme of the invention: the bottom of the base is also fixedly provided with a driving motor for driving the first screw rod to rotate.
As a still further scheme of the invention: the lifting seat is also provided with a mounting rack.
As a still further scheme of the invention: a plurality of supporting blocks are uniformly installed at the bottom of the base and are of rubber shock absorption structures.
As a still further scheme of the invention: the left side and the right side of the bottom of the base are symmetrically and fixedly provided with two brackets, a second screw rod is rotatably arranged between the two brackets, the left side and the right side of the second screw rod are symmetrically provided with two external threads with opposite rotation directions, the left side and the right side of the second screw rod are symmetrically in threaded connection with two second screw sleeves, and the second screw sleeves are in sliding connection with the base; the lower part of the second screw rod is further provided with two supporting mechanisms, each supporting mechanism comprises a swinging rod and a supporting block, the upper end of each swinging rod is rotatably connected with the support on the same side, the lower end of each swinging rod is rotatably connected with the supporting block, and the upper side of each swinging rod is hinged with the second threaded sleeve on the same side through a second connecting rod.
As a still further scheme of the invention: the left side and the right side of the supporting block are symmetrically hinged with two spring columns, and the other ends of the spring columns are hinged with the outer side of the swinging rod.
As a still further scheme of the invention: the driving motor is of a double-shaft motor structure, and the other output end of the driving motor is in transmission connection with the second screw rod through a bevel gear set.
As a still further scheme of the invention: the swing rod is telescopic machanism, and the swing rod includes lifter and lift seat, and lifter slidable mounting is in the inside of lift seat, and damping spring and lift seat fixed connection are passed through to the bottom of lifter.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the driving motor drives the first screw rod to rotate, the first screw rod drives the first screw sleeve to move up and down when rotating, so that the push-pull rod is driven to swing, and the lifting seat is driven to move up and down;
2. still set up supporting mechanism in the bottom of base, when unmanned aerial vehicle descends, the second screw rod drives two second swivel nut and removes dorsad to drive supporting mechanism and expand, thereby support unmanned aerial vehicle, stability when ensureing unmanned aerial vehicle to descend.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 in an unmanned aerial vehicle landing gear for forestry fire prevention.
Fig. 2 is a schematic structural diagram of embodiment 2 in the unmanned aerial vehicle undercarriage for forestry fire prevention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
FIG. 4 is a schematic structural diagram of a swinging rod in embodiment 2 of an unmanned aerial vehicle undercarriage for forestry fire prevention
In the figure: 1-base, 2-slide block, 3-push-pull rod, 4-lifting seat, 5-through hole, 6-mounting rack, 7-first screw rod, 8-first connecting rod, 9-supporting block, 10-driving motor, 11-chute, 12-bracket, 13-second screw rod, 14-swinging rod, 15-second screw sleeve, 16-bevel gear set, 17-supporting mechanism, 18-second connecting rod, 19-lifting rod, 20-lifting seat and 21-spring column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, an unmanned aerial vehicle undercarriage for forestry fire prevention includes a base 1 and a lifting base 4; a first screw 7 is rotatably installed in the middle of the base 1, a first screw sleeve is connected to the first screw 7 in a threaded manner, a plurality of sliding grooves 11 are uniformly formed in the periphery of the first screw 7 on the base 1, a sliding block 2 is slidably installed in each sliding groove 11, the lifting seat 4 is arranged above the base 1, a plurality of push-pull rods 3 are hinged to the periphery of the lifting seat 4, the push-pull rods 3 correspond to the sliding blocks 2 one by one, the lower ends of the push-pull rods 3 are hinged to the sliding blocks 2 on the same side, a plurality of first connecting rods 8 are hinged to the outer side of the first screw sleeve, the first connecting rods 8 correspond to the push-pull rods 3 one by one, the other ends of the first connecting rods 8 are hinged to the inner sides of the push-pull rods 3, and the first screw 7 is driven to move up and down by the first screw sleeve when rotating, so that the push;
specifically, in this embodiment, in order to prevent the first screw 7 from abutting against the lifting seat 4, a through hole 5 is formed in the middle of the lifting seat 4;
specifically, in this embodiment, a driving motor 10 for driving the first screw 7 to rotate is further fixedly installed at the bottom of the base 1;
the lifting seat 4 is also provided with a mounting frame 6 for being fixedly mounted with the unmanned aerial vehicle, when the unmanned aerial vehicle lands, the lifting seat 4 moves upwards, so that the volume of the whole undercarriage is increased, the resistance between the undercarriage and the air is increased, the unmanned aerial vehicle is ensured to land stably, and when the unmanned aerial vehicle takes off, the lifting seat 4 moves downwards, so that the volume of the whole undercarriage is reduced, the resistance between the undercarriage and the air is reduced, and the unmanned aerial vehicle takes off quickly;
a plurality of supporting blocks 9 are evenly installed at the bottom of the base 1, the supporting blocks 9 are of rubber shock absorption structures, and when the undercarriage contacts with the ground, the supporting blocks 9 reduce impact force of the undercarriage and the ground, so that the unmanned aerial vehicle is protected.
Example 2
Referring to fig. 1, in an embodiment of the present invention, an unmanned aerial vehicle undercarriage for forestry fire prevention includes a base 1 and a lifting base 4; a first screw 7 is rotatably installed in the middle of the base 1, a first screw sleeve is connected to the first screw 7 in a threaded manner, a plurality of sliding grooves 11 are uniformly formed in the periphery of the first screw 7 on the base 1, a sliding block 2 is slidably installed in each sliding groove 11, the lifting seat 4 is arranged above the base 1, a plurality of push-pull rods 3 are hinged to the periphery of the lifting seat 4, the push-pull rods 3 correspond to the sliding blocks 2 one by one, the lower ends of the push-pull rods 3 are hinged to the sliding blocks 2 on the same side, a plurality of first connecting rods 8 are hinged to the outer side of the first screw sleeve, the first connecting rods 8 correspond to the push-pull rods 3 one by one, the other ends of the first connecting rods 8 are hinged to the inner sides of the push-pull rods 3, and the first screw 7 is driven to move up and down by the first screw sleeve when rotating, so that the push;
specifically, in this embodiment, in order to prevent the first screw 7 from abutting against the lifting seat 4, a through hole 5 is formed in the middle of the lifting seat 4;
specifically, in this embodiment, a driving motor 10 for driving the first screw 7 to rotate is further fixedly installed at the bottom of the base 1;
still be provided with mounting bracket 6 on lift seat 4 for with unmanned aerial vehicle fixed mounting, when unmanned aerial vehicle descends, 4 rebound of lift seat to make the volume increase of whole undercarriage, increase the resistance between undercarriage and the air, guarantee that unmanned aerial vehicle steadily descends, when unmanned aerial vehicle takes off, 4 downshifts of lift seat, thereby make the volume of whole undercarriage reduce, thereby reduced the resistance between undercarriage and the air, make unmanned aerial vehicle take off fast.
Referring to fig. 2-4, the difference between the present embodiment and embodiment 1 is that two brackets 12 are symmetrically and fixedly installed on the left and right sides of the bottom of the base 1, a second screw 13 is rotatably installed between the two brackets 12, two external threads with opposite rotation directions are symmetrically installed on the left and right sides of the second screw 13, two second thread sleeves 15 are symmetrically and threadedly connected to the left and right sides of the second screw 13, the second thread sleeves 15 are slidably connected to the base 1, and the rotation of the second screw 13 drives the two second thread sleeves 15 to move in opposite directions or move back to back; the lower part of the second screw 13 is further provided with two supporting mechanisms 17, each supporting mechanism 17 comprises a swinging rod 14 and a supporting block 9, the upper end of each swinging rod 14 is rotatably connected with the support 12 on the same side, the lower end of each swinging rod 14 is rotatably connected with the supporting block 9, the upper side of each swinging rod 14 is hinged with the second threaded sleeves 15 on the same side through second connecting rods 18, and when the unmanned aerial vehicle lands, the second screw 13 drives the two second threaded sleeves 15 to move back to back, so that the supporting mechanisms 17 are driven to be unfolded, and the unmanned aerial vehicle is supported;
the left side and the right side of the supporting block 9 are symmetrically hinged with two spring columns 21, and the other ends of the spring columns 21 are hinged with the outer side of the swinging rod 14, so that the stability of the unmanned aerial vehicle during landing is ensured;
specifically, in this embodiment, the driving motor 10 is a dual-shaft motor structure, and the other output end of the driving motor 10 is in transmission connection with the second screw 13 through a bevel gear set 16;
swing arm 14 is telescopic machanism, and swing arm 14 includes lifter 19 and lift seat 20, and 19 slidable mounting of lifter are in the inside of lift seat 20, and the bottom of lifter 19 passes through damping spring and 20 fixed connection of lift seat to make swing arm 14 can adjust length by oneself when unmanned aerial vehicle takes off to descend.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. An unmanned aerial vehicle undercarriage for forestry fire prevention is characterized by comprising a base (1) and a lifting seat (4); the middle position of the base (1) is rotatably provided with a first screw rod (7), the first screw rod (7) is connected with a first threaded sleeve in a threaded mode, a plurality of sliding grooves (11) are evenly formed in the periphery of the first screw rod (7) on the base (1), a sliding block (2) is slidably arranged in the sliding grooves (11), the lifting seat (4) is arranged above the base (1), a plurality of push-pull rods (3) are hinged to the periphery of the lifting seat (4), the push-pull rods (3) are in one-to-one correspondence with the sliding block (2), the lower ends of the push-pull rods (3) are hinged to the sliding block (2) on the same side, a plurality of first connecting rods (8) are hinged to the outer side of the first threaded sleeve, the first connecting rods (8) are in one-to-one correspondence with the push-pull rods (3), and the other ends of the first connecting rods (8) are hinged to.
2. The forestry fire prevention unmanned aerial vehicle undercarriage of claim 1, wherein a through hole (5) is formed in the middle of the lifting seat (4).
3. The unmanned aerial vehicle landing gear for forestry fire prevention according to claim 2, wherein a driving motor (10) for driving the first screw rod (7) to rotate is further fixedly mounted at the bottom of the base (1).
4. Unmanned aerial vehicle landing gear for forestry fire protection according to claim 3, wherein a mounting frame (6) is further provided on the lifting seat (4).
5. The forestry fire prevention unmanned aerial vehicle undercarriage of claim 1, wherein a plurality of supporting blocks (9) are uniformly installed at the bottom of the base (1), and the supporting blocks (9) are rubber shock-absorbing structures.
6. The unmanned aerial vehicle landing gear for forestry fire prevention according to claim 3 or 4, wherein the two brackets (12) are symmetrically and fixedly installed on the left side and the right side of the bottom of the base (1), a second screw (13) is rotatably installed between the two brackets (12), two external threads with opposite rotation directions are symmetrically arranged on the left side and the right side of the second screw (13), two second thread sleeves (15) are symmetrically and threadedly connected to the left side and the right side of the second screw (13), and the second thread sleeves (15) are slidably connected with the base (1); the lower part of the second screw rod (13) is further provided with two supporting mechanisms (17), each supporting mechanism (17) comprises a swinging rod (14) and a supporting block (9), the upper end of each swinging rod (14) is rotatably connected with the support (12) on the same side, the lower end of each swinging rod (14) is rotatably connected with the supporting block (9), and the upper side of each swinging rod (14) is hinged with the second threaded sleeve (15) on the same side through a second connecting rod (18).
7. The forestry fire prevention unmanned aerial vehicle landing gear according to claim 6, wherein the left and right sides of the support block (9) are symmetrically hinged with two spring columns (21), and the other ends of the spring columns (21) are hinged with the outer sides of the swinging rods (14).
8. The forestry fire prevention unmanned aerial vehicle landing gear according to claim 6, wherein the driving motor (10) is of a double-shaft motor structure, and the other output end of the driving motor (10) is in transmission connection with the second screw (13) through a bevel gear set (16).
9. The unmanned aerial vehicle landing gear for forestry fire prevention of claim 7, wherein the swinging rod (14) is a telescopic mechanism, the swinging rod (14) comprises a lifting rod (19) and a lifting seat (20), the lifting rod (19) is slidably mounted inside the lifting seat (20), and the bottom of the lifting rod (19) is fixedly connected with the lifting seat (20) through a damping spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950646.9A CN110615092A (en) | 2019-10-08 | 2019-10-08 | Forestry is unmanned aerial vehicle undercarriage for fire prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950646.9A CN110615092A (en) | 2019-10-08 | 2019-10-08 | Forestry is unmanned aerial vehicle undercarriage for fire prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110615092A true CN110615092A (en) | 2019-12-27 |
Family
ID=68925515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910950646.9A Withdrawn CN110615092A (en) | 2019-10-08 | 2019-10-08 | Forestry is unmanned aerial vehicle undercarriage for fire prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110615092A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537647A (en) * | 2022-02-10 | 2022-05-27 | 湖南翔龙飞机有限公司 | Multifunctional intelligent undercarriage device of airplane |
| CN114856854A (en) * | 2022-04-14 | 2022-08-05 | 浙江大学 | Single-engine aircraft based on vectoring nozzle and method thereof |
| CN116139429A (en) * | 2023-03-28 | 2023-05-23 | 雷攀 | Robot for forest fire prevention |
| CN117864472A (en) * | 2024-03-13 | 2024-04-12 | 扬州市职业大学(扬州开放大学) | Multi-rotor unmanned aerial vehicle landing gear |
-
2019
- 2019-10-08 CN CN201910950646.9A patent/CN110615092A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537647A (en) * | 2022-02-10 | 2022-05-27 | 湖南翔龙飞机有限公司 | Multifunctional intelligent undercarriage device of airplane |
| CN114856854A (en) * | 2022-04-14 | 2022-08-05 | 浙江大学 | Single-engine aircraft based on vectoring nozzle and method thereof |
| CN116139429A (en) * | 2023-03-28 | 2023-05-23 | 雷攀 | Robot for forest fire prevention |
| CN116139429B (en) * | 2023-03-28 | 2024-01-23 | 湖南裕琪消防设备有限公司 | Robot for forest fire prevention |
| CN117864472A (en) * | 2024-03-13 | 2024-04-12 | 扬州市职业大学(扬州开放大学) | Multi-rotor unmanned aerial vehicle landing gear |
| CN117864472B (en) * | 2024-03-13 | 2024-05-28 | 扬州市职业大学(扬州开放大学) | Multi-rotor unmanned aerial vehicle landing gear |
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Application publication date: 20191227 |