CN108791833B - Amphibious landing gear of unmanned aerial vehicle - Google Patents
Amphibious landing gear of unmanned aerial vehicle Download PDFInfo
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- CN108791833B CN108791833B CN201810648143.1A CN201810648143A CN108791833B CN 108791833 B CN108791833 B CN 108791833B CN 201810648143 A CN201810648143 A CN 201810648143A CN 108791833 B CN108791833 B CN 108791833B
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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
- B64C25/66—Convertible alighting gear; Combinations of different kinds of ground or like engaging elements
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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
- B64C25/54—Floats
- B64C25/56—Floats inflatable
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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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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an amphibious undercarriage for an unmanned aerial vehicle, which aims at solving the problems of small application range and poor protection effect of the existing undercarriage for the unmanned aerial vehicle. The invention can enhance the stability of the base on the water surface, is beneficial to reducing the possibility of the base inclining and turning over, can effectively reduce the inclination angle of the fixed plate, is beneficial to improving the stability of the unmanned aerial vehicle and enhances the protection effect of the unmanned aerial vehicle.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an amphibious undercarriage for an unmanned aerial vehicle.
Background
Unmanned aerial vehicle is called unmanned aerial vehicle for short, it is the unmanned aerial vehicle who utilizes radio remote control equipment and self-contained program control device to control, unmanned aerial vehicle is taking photo by plane at present, agriculture, plant protection, autodyne, express delivery transportation, disaster relief, observe wild animal, control infectious disease, survey and drawing, news report, electric power is patrolled and examined, the relief of disaster, movie & TV shoots etc. field by wide application, consequently, it is very important also to control to rise and fall of unmanned aerial vehicle, when unmanned aerial vehicle descends in non-horizontal ground, the unexpected problem of running, upset, toppling etc. very easily appears, the normal use that has brought very big influence for unmanned aerial vehicle and the professional equipment that articulates below unmanned aerial vehicle.
Through retrieval, chinese patent No. CN106114823A discloses an unmanned aerial vehicle landing gear, which includes: support body, bottom block and joint piece, the bottom block is located the bottom of the back timber of support body, the joint piece is located the top of back timber, the joint piece with the bottom block is pegged graft fixedly.
The unmanned aerial vehicle undercarriage disclosed in the above-mentioned patent still has a lot of weak points, and this unmanned aerial vehicle undercarriage's stability is relatively poor, leads to unmanned aerial vehicle to take place the phenomenon that the slope was turned on one's side easily, only is applicable to on the land moreover, and application scope is little, and is poor to unmanned aerial vehicle's protection effect.
Disclosure of Invention
Based on the technical problems that the existing unmanned aerial vehicle undercarriage is small in application range and poor in protection effect of an unmanned aerial vehicle, the invention provides an amphibious undercarriage of the unmanned aerial vehicle.
The invention provides an amphibious landing gear of an unmanned aerial vehicle, which comprises a base, wherein sleeves are fixed on two sides of the inner wall of the top of the base through screws, a first sliding chute and a second sliding chute are respectively formed in the inner walls of the two sleeves, a first sliding rod and a second sliding rod are respectively connected on the inner wall of the first sliding chute and the inner wall of the second sliding chute in a sliding mode, a supporting wheel is sleeved on the bottom of the second sliding rod, the bottom of the first sliding rod is connected with a rotating frame through a hinge, universal wheels are respectively fixed on two sides of the outer wall of the bottom of the rotating frame through screws, air bag grooves are formed in two sides of the outer wall of the bottom of the base, buoyancy air bags are fixed on the inner walls of the two air bag grooves through screws, air inlet holes in the outer walls of the tops of the two buoyancy air bags are respectively formed in the outer walls of the tops of the two air inlet holes, air pumps are respectively, the air outlet ends of the two air pumps are respectively inserted into the inner walls of one ends of the two inflation tubes, the outer wall of the top of the base is fixed with a fixed frame through screws, the two sides of the outer wall of the bottom of the fixed frame are both provided with slide block chutes, the inner walls of the two slide block chutes are both connected with slide blocks in a sliding way, the bottom of the outer wall of one side of each of the two slide blocks is fixed with a connecting rod through screws, the outer walls of the bottom of the two connecting rods are both connected with a connecting plate through hinges, the outer walls of the top of the two connecting plates and the bottom of the outer wall of the two sides of the base are both connected with floating plates through hinges, the outer walls of the two sides of the fixed frame are respectively provided with a first mounting hole and a second mounting hole, the inner wall of the first mounting hole and the inner wall of the second mounting hole are respectively connected with a first threaded rod and a second, and the outer wall of one side of each of the two belt pulleys is sleeved with a transmission belt.
Preferably, the both sides outer wall of mount all has the support frame through the fix with screw, and the buffering frame spout has all been opened to one side inner wall of two support frames, and the equal sliding connection of inner wall of two buffering frame spouts has the buffering frame, and the bottom outer wall of buffering frame and the top outer wall of mount all have damping spring through the fix with screw.
Preferably, two the bottom inner wall of support frame all is fixed with the support column through the screw, and the equal sliding connection of one side inner wall of two support columns has the gag lever post, and the top outer wall of two gag lever posts is respectively through the fix with screw in the bottom outer wall both sides of cushion frame.
Preferably, the outer wall of one end of the first threaded rod is fixed on the outer wall of one end of the second threaded rod through a coupler, and the screw thread turning direction of the first threaded rod is opposite to that of the second threaded rod.
Preferably, heavy object sliding grooves are formed in two sides of the outer wall of the top of the buffer frame, and the inner walls of the two heavy object sliding grooves are connected with heavy objects in a sliding mode.
Preferably, two one side outer wall of heavy object piece and one side inner wall of two heavy object piece spouts all have reset spring through the fix with screw, and the top outer wall of two heavy object pieces all has the dwang through hinged joint, and the one end of two dwangs all has the fixed plate through hinged joint.
Preferably, the inner wall of the bottom of the buffer frame is fixed with a wheel frame through a screw, the outer wall of one side of the wheel frame is sleeved with an eccentric wheel, the outer wall of one side of the eccentric wheel is connected with a supporting rod through a hinge, and one end of the supporting rod is fixed on the outer wall of the bottom of the fixing plate through a screw.
Preferably, a control box is fixed on one side of the outer wall of the top of the buffer frame through screws, and a processor and an operation keyboard are respectively fixed on the inner wall of the bottom of the control box and the outer wall of the top of the control box through screws.
Preferably, the outer wall of one side of the control box is provided with a heat dissipation hole, and the inner wall of one side of the heat dissipation hole is fixed with a dust screen through a screw.
Preferably, the air pump and the driving motor are both connected with a switch through wires, and the switch is connected with the processor through wires.
The beneficial effects of the invention are as follows:
1. through setting up sleeve, buffer spring, first litter and rotating support, when the unmanned aerial vehicle descends on unevenness's ground, the height of first litter is adjusted in the buffer spring compression, rotates the support and rotates and keep two universal wheels attached in ground, makes the base can stop and fall on non-level ground, helps improving the stability of base.
2. Through setting up kickboard, air pump and buoyancy gasbag, start the air pump and aerify to the buoyancy gasbag, make the base can descend on the surface of water, start driving motor and pass through the drive belt transmission and drive first threaded rod and second threaded rod and rotate, promote the slider and slide, the connecting rod removes and drives the kickboard and rotate, and the kickboard can strengthen the stability of base on the surface of water, helps reducing the base possibility of inclining to turn on one's side.
3. Through setting up heavy object piece, reset spring, dwang, eccentric wheel and branch, when unmanned aerial vehicle fell on non-level ground, the heavy object piece slided under the action of gravity and drives the dwang and rotate, can effectively reduce the inclination of fixed plate, helps improving unmanned aerial vehicle's stability, has strengthened the protection effect to unmanned aerial vehicle, and eccentric wheel and branch can restrict the position of fixed plate, help reducing unmanned aerial vehicle's the degree of rocking.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an amphibious landing gear of an unmanned aerial vehicle, according to the present invention;
fig. 2 is a partial structural schematic diagram of an amphibious landing gear of an unmanned aerial vehicle, provided by the invention;
fig. 3 is a schematic bottom view of the amphibious landing gear fixing frame for the unmanned aerial vehicle according to the present invention;
fig. 4 is a schematic cross-sectional structural view of an amphibious landing gear sleeve of an unmanned aerial vehicle according to the present invention;
fig. 5 is a schematic cross-sectional structural diagram of an amphibious landing gear control box of an unmanned aerial vehicle, which is provided by the invention.
In the figure: 1 buoyancy air bag, 2 inflation tubes, 3 rotating bracket, 4 first sliding rod, 5 universal wheels, 6 first threaded rod, 7 sleeve, 8 second sliding rod, 9 supporting wheel, 10 sliding block, 11 connecting rod, 12 second threaded rod, 13 base, 14 air pump, 15 supporting frame, 16 limiting rod, 17 fixing frame, 18 weight block, 19 damping spring, 20 wheel frame, 21 supporting rod, 22 eccentric wheel, 23 buffer frame, 24 fixing plate, 25 rotating rod, 26 reset spring, 27 control box, 28 supporting column, 29 floating plate, 30 connecting plate, 31 buffer spring, 32 processor, 33 dust screen, 34 operating keyboard, 35 driving belt, 36 driving motor.
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.
Referring to fig. 1-5, an amphibious landing gear for unmanned aerial vehicles comprises a base 13, sleeves 7 are fixed on two sides of the inner wall of the top of the base 13 through screws, a first sliding chute and a second sliding chute are respectively formed in the inner walls of the two sleeves 7, a first sliding rod 4 and a second sliding rod 8 are respectively connected on the inner wall of the first sliding chute and the inner wall of the second sliding chute in a sliding manner, a supporting wheel 9 is sleeved on the bottom of the second sliding rod 8, a rotating frame 3 is connected on the bottom of the first sliding rod 4 through a hinge, universal wheels 5 are fixed on two sides of the outer wall of the bottom of the rotating frame 3 through screws, air bag grooves are formed in two sides of the outer wall of the bottom of the base 13, buoyancy air bags 1 are fixed on the inner walls of the two air bag grooves through screws, air inlet holes are formed in the outer walls of the tops of the two buoyancy air bags 1, air inflation tubes 2 are inserted on the inner walls of the two air inlet, the air outlet ends of the two air pumps 14 are respectively inserted into the inner walls of one ends of the two air charging pipes 2, the outer wall of the top of the base 13 is fixed with a fixed frame 17 through screws, the two sides of the outer wall of the bottom of the fixed frame 17 are both provided with slide block chutes, the inner walls of the two slide block chutes are both connected with slide blocks 10 in a sliding manner, the bottom of the outer wall of one side of each of the two slide blocks 10 is fixed with a connecting rod 11 through screws, the outer walls of the bottoms of the two connecting rods 11 are both connected with a connecting plate 30 through hinges, the outer walls of the top of the two connecting plates 30 and the bottom of the outer walls of the two sides of the base 13 are both connected with a floating plate 29 through hinges, the outer walls of the two sides of the fixed frame 17 are respectively provided with a first mounting hole and a second mounting hole, the inner walls of the, and the outer wall of one side of the output shaft of the driving motor 36 and the first threaded rod 6 is connected with a belt pulley through a key, and the outer wall of one side of the two belt pulleys is sleeved with a transmission belt 35.
In the invention, the outer walls of two sides of a fixed frame 17 are both fixed with supporting frames 15 through screws, the inner walls of one side of the two supporting frames 15 are both provided with buffer frame sliding grooves, the inner walls of the two buffer frame sliding grooves are both connected with buffer frames 23 in a sliding way, the outer walls of the bottoms of the buffer frames 23 and the outer walls of the tops of the fixed frame 17 are both fixed with damping springs 19 through screws, the inner walls of the bottoms of the two supporting frames 15 are both fixed with supporting columns 28 through screws, the inner walls of one side of the two supporting columns 28 are both connected with limiting rods 16 in a sliding way, the outer walls of the tops of the two limiting rods 16 are respectively fixed on two sides of the outer wall of the bottom of the buffer frame 23 through screws, the outer wall of one end of a first threaded rod 6 is fixed on the outer wall of one end of a second threaded rod 12 through a coupler, the, and the inner walls of the two weight block chutes are both connected with the weight blocks 18 in a sliding manner, the outer walls of one side of the two weight blocks 18 and the inner wall of one side of the two weight block chutes are both fixed with reset springs 26 through screws, the outer walls of the tops of the two weight blocks 18 are both connected with rotating rods 25 through hinges, one ends of the two rotating rods 25 are both connected with fixed plates 24 through hinges, when the unmanned aerial vehicle falls on a non-horizontal ground, the weight blocks 18 slide under the action of gravity to drive the rotating rods 25 to rotate, so that the inclination angle of the fixed plates 24 can be effectively reduced, the stability of the unmanned aerial vehicle can be improved, the inner wall of the bottom of the buffer frame 23 is fixed with a wheel frame 20 through screws, the outer wall of one side of the wheel frame 20 is sleeved with an eccentric wheel 22, the outer wall of one side of the eccentric wheel 22 is connected with a supporting rod 21 through hinges, one end of, and the bottom inner wall and the top outer wall of the control box 27 are respectively fixed with a processor 32 and an operating keyboard 34 of ARM9TDMI through screws, one side outer wall of the control box 27 is provided with heat dissipation holes, the inner wall of one side of each heat dissipation hole is fixed with a dust screen 33 through screws, the air pump 14 and the driving motor 36 are both connected with a switch through wires, and the switch is connected with the processor 32 through wires.
During the use, with unmanned aerial vehicle fixed mounting in the top outer wall of fixed plate 24, when unmanned aerial vehicle needs to descend when the surface of water, start air pump 14 inflates to buoyancy gasbag 1, start driving motor 36 drives first threaded rod 6 and second threaded rod 12 through the transmission of drive belt 35 and rotates, it slides to promote slider 10, connecting rod 11 removes and drives kickboard 29 and rotate the exhibition flat, kickboard 29 strengthens the stability of base on the surface of water, when unmanned aerial vehicle descends at non-level ground, first litter 4 and second litter 8 compression buffer spring 31, adjust the height of universal wheel 5 and supporting wheel 9, it keeps two attached in ground of universal wheel 5 to rotate support 3, heavy thing piece 18 slides under the effect of gravity and drives dwang 25 and rotates, dwang 25 drives fixed plate 24 and rotates, reduce unmanned aerial vehicle's inclination on fixed plate 24.
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 should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An amphibious landing gear of an unmanned aerial vehicle comprises a base (13) and is characterized in that sleeves (7) are fixed on two sides of the inner wall of the top of the base (13) through screws, a first sliding chute and a second sliding chute are respectively formed in the inner walls of the two sleeves (7), a first sliding rod (4) and a second sliding rod (8) are respectively connected on the inner wall of the first sliding chute and the inner wall of the second sliding chute in a sliding mode, a supporting wheel (9) is sleeved on the bottom of the second sliding rod (8), a rotating frame (3) is connected on the bottom of the first sliding rod (4) through a hinge, universal wheels (5) are fixed on two sides of the outer wall of the bottom of the rotating frame (3) through screws, air bag grooves are formed in two sides of the outer wall of the bottom of the base (13), buoyancy air bags (1) are fixed on the inner walls of the two air bag grooves through screws, and air inlets are formed in the outer walls of the tops of, and the inner walls of the two air inlets are respectively inserted with an inflation tube (2), the top inner walls of the two air bag grooves are respectively fixed with an air pump (14) through screws, the air outlet ends of the two air pumps (14) are respectively inserted into the inner walls of one ends of the two inflation tubes (2), the top outer wall of the base (13) is fixed with a fixing frame (17) through screws, the two sides of the bottom outer wall of the fixing frame (17) are respectively provided with a slide block chute, the inner walls of the two slide block chutes are respectively connected with a slide block (10) in a sliding manner, the bottom of the outer wall of one side of the two slide blocks (10) is respectively fixed with a connecting rod (11) through screws, the bottom outer walls of the two connecting rods (11) are respectively connected with a connecting plate (30) through hinges, the top outer walls of the two connecting plates (30) and the bottom of the outer walls of the two sides of the base (13) are respectively connected, and the inner wall of the first mounting hole and the inner wall of the second mounting hole are respectively connected with a first threaded rod (6) and a second threaded rod (12) through bearings, the top inner wall of the fixing frame (17) is fixed with a driving motor (36) through screws, and the outer wall of one side of the output shaft of the driving motor (36) and the outer wall of one side of the first threaded rod (6) are connected with a belt pulley and a belt pulley through keys, and the outer wall of one side of the belt pulley is sleeved with a transmission belt (35).
2. An amphibious landing gear for unmanned aerial vehicles according to claim 1, wherein the outer walls of both sides of the fixed frame (17) are fixed with support frames (15) through screws, the inner walls of one side of each of the two support frames (15) are provided with buffer frame sliding grooves, the inner walls of the two buffer frame sliding grooves are connected with buffer frames (23) in a sliding mode, and the outer walls of the bottoms of the buffer frames (23) and the outer walls of the tops of the fixed frame (17) are fixed with damping springs (19) through screws.
3. An amphibious landing gear for unmanned aerial vehicles according to claim 2, wherein the bottom inner walls of the two support frames (15) are fixed with support columns (28) through screws, one side inner walls of the two support columns (28) are connected with limiting rods (16) in a sliding mode, and the top outer walls of the two limiting rods (16) are fixed on two sides of the bottom outer wall of the buffer frame (23) through screws respectively.
4. An amphibious landing gear for an unmanned aerial vehicle according to claim 1, wherein an outer wall of one end of the first threaded rod (6) is fixed to an outer wall of one end of the second threaded rod (12) through a coupling, and the thread direction of the first threaded rod (6) is opposite to that of the second threaded rod (12).
5. An amphibious landing gear for unmanned aerial vehicles according to claim 3, wherein weight block sliding grooves are formed in both sides of the outer wall of the top of the buffer frame (23), and weight blocks (18) are slidably connected to the inner walls of the two weight block sliding grooves.
6. An amphibious landing gear for unmanned aerial vehicles according to claim 5, wherein the outer wall of one side of each of the two weight blocks (18) and the inner wall of one side of each of the two weight block sliding grooves are both fixed with a return spring (26) through screws, the outer walls of the tops of the two weight blocks (18) are both connected with a rotating rod (25) through hinges, and one end of each of the two rotating rods (25) is connected with a fixing plate (24) through a hinge.
7. An amphibious landing gear for unmanned aerial vehicles according to claim 6, wherein the bottom inner wall of the buffer frame (23) is fixed with the wheel frame (20) through screws, the outer wall of one side of the wheel frame (20) is sleeved with an eccentric wheel (22), the outer wall of one side of the eccentric wheel (22) is connected with a supporting rod (21) through a hinge, and one end of the supporting rod (21) is fixed with the bottom outer wall of the fixing plate (24) through screws.
8. An amphibious landing gear for unmanned aerial vehicles according to claim 7, wherein the top outer wall of the bumper bracket (23) is screwed with a control box (27) on one side, and the bottom inner wall and the top outer wall of the control box (27) are screwed with a processor (32) and an operating keyboard (34), respectively.
9. An amphibious landing gear for unmanned aerial vehicles according to claim 8, wherein the outer wall of one side of the control box (27) is provided with heat dissipation holes, and the inner wall of one side of the heat dissipation holes is fixed with a dust screen (33) through screws.
10. An amphibious landing gear for an unmanned aerial vehicle according to claim 1, wherein the air pump (14) and the drive motor (36) are each wired to a switch, and the switches are wired to the processor (32).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810648143.1A CN108791833B (en) | 2018-06-19 | 2018-06-19 | Amphibious landing gear of unmanned aerial vehicle |
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| CN201810648143.1A CN108791833B (en) | 2018-06-19 | 2018-06-19 | Amphibious landing gear of unmanned aerial vehicle |
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| CN108791833A CN108791833A (en) | 2018-11-13 |
| CN108791833B true CN108791833B (en) | 2020-05-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110450953B (en) * | 2019-08-13 | 2020-12-04 | 江苏锦程航空科技有限公司 | Unmanned aerial vehicle device with heat dissipation function for maritime security patrol |
| CN111392053A (en) * | 2020-03-19 | 2020-07-10 | 吉林工程技术师范学院 | Unmanned aerial vehicle auxiliary device that takes off |
| CN112520058B (en) * | 2020-12-16 | 2022-07-26 | 浙江科特地理信息技术有限公司 | Unmanned aerial vehicle winding and unwinding devices |
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| CN201712786U (en) * | 2010-06-02 | 2011-01-19 | 林松 | Amphibious buoy-skid type collapsible undercarriage used for helicopters |
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| CN108045564A (en) * | 2018-01-12 | 2018-05-18 | 广东翔龙航空技术有限公司 | A kind of unmanned plane has the arch high over of buffer structure |
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Effective date of registration: 20200427 Address after: No. 75, zone four, Songxi village, Baima Town, Pujiang County, Jinhua City, Zhejiang Province, 322200 Applicant after: Wang Fei Address before: 450046 No. 053, 4th floor, Rongchuang Culture Building, Beiberxue Road, Ping'an Avenue, Zhengdong New District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU BINGMAODA ELECTRONIC TECHNOLOGY Co.,Ltd. Applicant before: ZHENGZHOU INSTITUTE OF AERONAUTICAL INDUSTRY MANAGEMENT |
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Effective date of registration: 20221117 Address after: 409000 Qianjiang Science and Technology Enterprise Incubation Base, Zhengyang Street, Qianjiang District, Chongqing Patentee after: Chongqing Linhe Aviation Technology Co.,Ltd. Address before: 322200 No. 75, zone 4, Songxi village, Baima Town, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Wang Fei |