CN116215848A - Elastic shrinkage type shock absorption support for unmanned aerial vehicle - Google Patents
Elastic shrinkage type shock absorption support for unmanned aerial vehicle Download PDFInfo
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- CN116215848A CN116215848A CN202310202977.0A CN202310202977A CN116215848A CN 116215848 A CN116215848 A CN 116215848A CN 202310202977 A CN202310202977 A CN 202310202977A CN 116215848 A CN116215848 A CN 116215848A
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- unmanned aerial
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- aerial vehicle
- damping
- information transmission
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- 230000035939 shock Effects 0.000 title claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 title claims description 16
- 238000013016 damping Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 35
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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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
-
- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to the technical field of shock absorbing brackets for unmanned aerial vehicles, and particularly relates to an elastic shrinkage type shock absorbing bracket for an unmanned aerial vehicle, which comprises an unmanned aerial vehicle, wherein the unmanned aerial vehicle comprises a machine body, a supporting rod, a plurality of motors, spiral blades and an elastic shrinkage type shock absorbing mechanism; the support rods are fixedly arranged on the periphery of the machine body, the motors are fixedly arranged at the outer ends of the support rods, and the spiral blades are fixedly arranged above the motors; the elastic telescopic damping mechanism comprises a damping bracket and a damping cavity; the damping cavity is fixedly arranged below the machine body, the damping support is arranged below the damping cavity, and the elastic telescopic damping mechanism comprises two telescopic rods, a connecting plate, two sleeves and a spring; the damping cavity is hollow, and the device solves the problems that when the current unmanned aerial vehicle lands, the damping buffer can not be carried out through the spring, and meanwhile, an operator is automatically reminded of replacing the spring and the landing stability of the unmanned aerial vehicle is improved.
Description
Technical Field
The invention belongs to the technical field of shock absorbing brackets for unmanned aerial vehicles, and particularly relates to an elastic shrinkage type shock absorbing bracket for an unmanned aerial vehicle.
Background
Unmanned aerial vehicles, abbreviated as "unmanned aerial vehicles", abbreviated as "UAVs", are unmanned aerial vehicles that are operated by means of radio remote control devices and self-contained programmed control devices, or are operated autonomously, either entirely or intermittently, by an onboard computer. Unmanned aircraft tend to be more suitable for tasks that are too "fooled, messy, or dangerous" than manned aircraft.
When the unmanned aerial vehicle is used, due to the action of self weight, strong reaction force can be generated when the unmanned aerial vehicle lands, electronic components in the unmanned aerial vehicle are shocked and damaged, and the unmanned aerial vehicle is damaged. This phenomenon is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an elastic shrinkage type damping bracket for an unmanned aerial vehicle, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an elasticity shrink shock absorber support for unmanned aerial vehicle, includes unmanned aerial vehicle, unmanned aerial vehicle includes fuselage, branch, a plurality of motors, spiral leaf and elasticity shrink damper;
the support rods are fixedly arranged on the periphery of the machine body, the motors are fixedly arranged at the outer ends of the support rods, and the spiral blades are fixedly arranged above the motors;
the elastic telescopic damping mechanism comprises a damping bracket and a damping cavity;
the shock attenuation chamber fixed mounting is in the below of fuselage, shock attenuation support sets up the below in shock attenuation chamber.
The invention further discloses that the elastic telescopic shock absorption mechanism comprises two telescopic rods, a connecting plate, two sleeves and a spring;
the inside of the damping cavity is hollow, two telescopic rods are respectively fixedly arranged at the left side and the right side of the inner wall of the damping cavity, and the lower ends of the two telescopic rods are fixedly connected with the damping bracket;
the connecting plate is used for fixedly connecting two telescopic rods, one sleeve is fixedly arranged above the connecting plate, the other sleeve is fixedly arranged above the inner wall of the damping cavity, and the two sleeves are vertically aligned;
the springs are arranged in the two sleeves.
The invention further discloses that the elastic telescopic shock absorption mechanism comprises two fixing rods, the outer ends of the two fixing rods are respectively fixed with the telescopic rods, and a coupler is connected between the two fixing rods.
According to the invention, the front side of the damping cavity is provided with the cover, the lower part of the coupler is fixedly provided with the touch block, the bottom of the inner wall of the damping cavity is fixedly provided with the instruction cavity, the upper part of the instruction cavity is fixedly provided with the induction block, and the inside of the instruction cavity is provided with the information transmission system.
The invention further discloses that an induction module is arranged in the induction block, and the information transmission system comprises a frequency calculation module, an information transmission module, an alarm module and a program adjustment module;
the sensing module is electrically connected with the frequency calculation module, the frequency calculation module is electrically connected with the information transmission module, the information transmission module is electrically connected with the alarm module, the program adjustment module is electrically connected with the information transmission module, and the program adjustment module is electrically connected with the motor;
the sensing module is used for judging whether the sensing block is in contact with the touch block or not, the frequency calculation module is used for calculating the frequency of the contact of the sensing block and the touch block according to the judgment of the sensing module, the information transmission module is used for transmitting a modified program and alarm information, the alarm module is used for giving an alarm, and the program adjustment module is used for replacing the transmitted modified program.
The invention further provides that the information transmission system comprises the following operation steps:
s1, unmanned aerial vehicle landing, and operating an information transmission system;
step S2, the sensing module judges whether the sensing block is in contact with the touch block or not, the number of times that the sensing block is in contact with the touch block is calculated through the number calculation module, the step S3 is carried out when the number of times is large, and the step S4 is carried out when the number of times is small;
step S3, the information transmission module transmits the modified program and alarm information to the alarm module and the program adjustment module, the alarm module gives an alarm, and the program adjustment module replaces the original program of the motor according to the transmitted modified program;
and S4, stopping the operation of the information transmission system after the unmanned aerial vehicle finishes landing.
The invention further describes that in the step S2 and the step S3, when N is more than or equal to N 1 When N is the contact frequency of the sensing block and the touch block, N 1 The sensing block and the touch block are set for the system, the alarm module reminds of replacing the spring, and meanwhile, the program of the motor is replaced, so that the next falling stability is guaranteed.
Compared with the prior art, the invention has the following beneficial effects: according to the elastic shrinkage type shock absorption support for the unmanned aerial vehicle, when the unmanned aerial vehicle flies, the motor drives the spiral blades to rotate at a high speed, the spiral blades lift up through the supporting rod belt body, the machine body drives the shock absorption cavity to lift up, so that the shock absorption support is far away from the ground, when the unmanned aerial vehicle lands, the shock absorption support is firstly contacted with the ground, kinetic energy generated by landing enables the shock absorption support to be stressed, the telescopic rod is driven to bear stress, the telescopic rod is contracted, the connecting plate is driven to move upwards, the springs in the sleeve are enabled to be stressed and deformed, then the springs generate reaction force to act on the connecting plate, the telescopic rod is enabled to extend reversely, the shock absorption support is driven to apply reaction force to the ground, the shock absorption effect is achieved, the shock absorption effect is good, electronic components in the unmanned aerial vehicle are prevented from being damaged due to vibration, the fact that the unmanned aerial vehicle is used as a spring for buffering shock absorption effect is prolonged, at the moment, an alarm module reminds an operator to replace the spring, the operator to open a cover, the spring in the sleeve is replaced, the spring is enabled to be stably kept to be kept in a good condition, and meanwhile, the acceleration is enabled to be automatically replaced through a program, the motor is enabled to reduce the speed, and the performance of the unmanned aerial vehicle is guaranteed, and the unmanned aerial vehicle lands can be reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic plan view of the unmanned aerial vehicle of the present invention;
FIG. 3 is a schematic plan view of a shock absorbing chamber of the present invention;
FIG. 4 is a schematic view of the internal structure of the shock absorbing chamber of the present invention;
FIG. 5 is a schematic flow chart of an information transmission system according to the present invention;
in the figure: 1. a body; 2. a support rod; 3. a motor; 4. spiral leaves; 5. a shock absorbing bracket; 6. a damping cavity; 7. a telescopic rod; 8. a connecting plate; 9. a sleeve; 10. a spring; 11. a fixed rod; 12. a coupling; 13. touching the block; 14. a command chamber; 15. an induction block; 16. and a cover.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an elasticity shrink shock absorber support for unmanned aerial vehicle, includes unmanned aerial vehicle, unmanned aerial vehicle includes fuselage 1, branch 2, a plurality of motors 3, spiral leaf 4 and elasticity shrink damper;
the support rods 2 are fixedly arranged on the periphery of the machine body 1, the motors 3 are fixedly arranged at the outer ends of the support rods 2, and the spiral blades 4 are fixedly arranged above the motors 3;
the elastic telescopic damping mechanism comprises a damping bracket 5 and a damping cavity 6;
the damping cavity 6 is fixedly arranged below the machine body 1, and the damping bracket 5 is arranged below the damping cavity 6;
the elastic telescopic damping mechanism comprises two telescopic rods 7, a connecting plate 8, two sleeves 9 and a spring 10;
the damping cavity 6 is hollow, two telescopic rods 7 are respectively and fixedly arranged on the left side and the right side of the inner wall of the damping cavity 6, and the lower ends of the two telescopic rods 7 are fixedly connected with the damping bracket 5;
the connecting plate 8 is used for fixedly connecting two telescopic rods 7, one sleeve 9 is fixedly arranged above the connecting plate 8, the other sleeve 9 is fixedly arranged above the inner wall of the damping cavity 6, and the two sleeves 9 are vertically aligned;
the springs 10 are arranged in the two sleeves 9;
the unmanned aerial vehicle is started by an operator, the unmanned aerial vehicle flies, the motor 3 drives the spiral blade 4 to rotate at a high speed, the spiral blade 4 drives the machine body 1 to ascend through the supporting rod 2, the machine body 1 drives the damping cavity 6 to ascend, so that the damping support 5 is far away from the ground, when the unmanned aerial vehicle lands, the damping support 5 is firstly contacted with the ground, kinetic energy generated by landing enables the damping support 5 to be stressed, the telescopic rod 7 is driven to bear stress, the telescopic rod 7 is contracted so as to drive the connecting plate 8 to move upwards, the spring 10 in the sleeve 9 is stressed and deformed, then the spring 10 generates a reaction force to apply an acting force to the connecting plate 8, the telescopic rod 7 is reversely stretched, the damping support 5 is driven to apply the reaction force to the ground, the damping effect is achieved, the damping effect is good, electronic components inside the unmanned aerial vehicle are prevented from being damaged by vibration, and the service life of the unmanned aerial vehicle is prolonged;
the elastic telescopic damping mechanism comprises two fixing rods 11, the outer ends of the two fixing rods 11 are respectively fixed with the telescopic rods 7, and a coupler 12 is connected between the two fixing rods 11;
a cover 16 is arranged on the front side of the shock absorption cavity 6, a touch block 13 is fixed below the coupling 12, an instruction cavity 14 is fixed at the bottom of the inner wall of the shock absorption cavity 6, an induction block 15 is fixed above the instruction cavity 14, and an information transmission system is arranged inside the instruction cavity 14;
through the steps, when the two telescopic rods 7 shrink simultaneously, the two fixed rods 11 are driven to rotate around the shaft coupler 12 respectively, because the fixed rods 11 are fixed with the telescopic rods 7, the angle change of the fixed rods 11 drives the shaft coupler 12 to move downwards, the shaft coupler 12 drives the touch block 13 to move downwards, when the power of the unmanned aerial vehicle drops is large, the shrinking distance of the telescopic rods 7 is increased, the shaft coupler 12 is driven to move downwards for a long distance until the touch block 13 is driven to contact with the sensing block 15, an information transmission system in the instruction cavity 14 contacts with the sensing block 15 through the touch block 13, so that an operator can be reminded of replacing the spring 10 conveniently, good shock resistance is guaranteed at any time, meanwhile, the motor 3 is enabled to be more stable in speed reduction when the unmanned aerial vehicle drops, the landing stability is improved, and the landing safety of the unmanned aerial vehicle is further guaranteed;
the induction block 15 is internally provided with an induction module, and the information transmission system comprises a frequency calculation module, an information transmission module, an alarm module and a program adjustment module;
the sensing module is electrically connected with the frequency calculation module, the frequency calculation module is electrically connected with the information transmission module, the information transmission module is electrically connected with the alarm module, the program adjustment module is electrically connected with the information transmission module, and the program adjustment module is electrically connected with the motor 3;
the sensing module is used for judging whether the sensing block 15 is in contact with the touch block 13, the frequency calculation module is used for calculating the frequency of the contact of the sensing block 15 with the touch block 13 according to the judgment of the sensing module, the information transmission module is used for transmitting a modified program and alarm information, the alarm module is used for giving an alarm, and the program adjustment module is used for replacing the transmitted modified program;
the information transmission system comprises the following operation steps:
s1, unmanned aerial vehicle landing, and operating an information transmission system;
step S2, the sensing module judges whether the sensing block 15 is in contact with the touch block 13 or not, the number of times that the sensing block 15 is in contact with the touch block 13 is calculated through the number calculation module, the step S3 is carried out when the number of times is large, and the step S4 is carried out when the number of times is small;
step S3, the information transmission module transmits the modified program and alarm information to the alarm module and the program adjustment module, the alarm module gives an alarm, and the program adjustment module replaces the original program of the motor 3 according to the transmitted modified program;
s4, stopping the operation of the information transmission system after the unmanned aerial vehicle is landed;
in the step S2 and the step S3, when N is not less than N 1 When N is the number of times the sensing block 15 contacts the touch block 13, N 1 The sensing block 15 and the touch block 13 set for the system are contacted for a number of times, the alarm module reminds of replacing the spring 10, and meanwhile, the program of the motor 3 is replaced, so that the next falling stability is ensured;
through the above-mentioned step, after unmanned aerial vehicle carries out many times high strength and falls, as the spring 10 of buffering cushioning effect, its elasticity reduces, at this moment remind operating personnel to change spring 10 through alarm module, operating personnel opens lid 16, take out spring 10 in the sleeve 9, change new spring 10, thereby make the buffering effect can last better keep, simultaneously make the acceleration that motor 3 slowed down reduce through the automatic change of procedure, thereby guarantee the stationarity when unmanned aerial vehicle falls, can protect unmanned aerial vehicle on the one hand, on the other hand can improve spring 10's life, reduce the change frequency.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an elasticity shrink shock absorber support for unmanned aerial vehicle, includes unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle comprises a body (1), a supporting rod (2), a plurality of motors (3), spiral blades (4) and an elastic contraction type damping mechanism;
the support rods (2) are fixedly arranged on the periphery of the machine body (1), the motors (3) are fixedly arranged at the outer ends of the support rods (2), and the spiral blades (4) are fixedly arranged above the motors (3);
the elastic telescopic damping mechanism comprises a damping bracket (5) and a damping cavity (6);
the damping cavity (6) is fixedly arranged below the machine body (1), and the damping support (5) is arranged below the damping cavity (6).
2. The shock mount for an elastically contractible unmanned aerial vehicle of claim 1, wherein: the elastic telescopic shock absorption mechanism comprises two telescopic rods (7), a connecting plate (8), two sleeves (9) and a spring (10);
the inside of the damping cavity (6) is hollow, two telescopic rods (7) are respectively fixedly arranged at the left side and the right side of the inner wall of the damping cavity (6), and the lower ends of the two telescopic rods (7) are fixedly connected with the damping bracket (5);
the connecting plate (8) is used for fixedly connecting two telescopic rods (7), one sleeve (9) is fixedly arranged above the connecting plate (8), the other sleeve (9) is fixedly arranged above the inner wall of the damping cavity (6), and the two sleeves (9) are vertically aligned;
the springs (10) are arranged in the two sleeves (9).
3. The shock mount for an elastically contractible unmanned aerial vehicle of claim 2, wherein: the elastic telescopic damping mechanism comprises two fixing rods (11), the outer ends of the two fixing rods (11) are respectively fixed with the telescopic rods (7), and a coupler (12) is connected between the two fixing rods (11).
4. A shock mount for an elastically contractible unmanned aerial vehicle as claimed in claim 3, wherein: the front side of shock attenuation chamber (6) is provided with lid (16), the below of coupling (12) is fixed with touching piece (13), the inner wall bottom of shock attenuation chamber (6) is fixed with instruction chamber (14), instruction chamber (14) top is fixed with response piece (15), the inside of instruction chamber (14) is provided with information transmission system.
5. The elastic retractable unmanned aerial vehicle shock mount according to claim 4, wherein: the information transmission system comprises a frequency calculation module, an information transmission module, an alarm module and a program adjustment module;
the sensing module is electrically connected with the frequency calculation module, the frequency calculation module is electrically connected with the information transmission module, the information transmission module is electrically connected with the alarm module, the program adjustment module is electrically connected with the information transmission module, and the program adjustment module is electrically connected with the motor (3);
the sensing module is used for judging whether the sensing block (15) is in contact with the touch block (13), the frequency calculation module is used for calculating the frequency of the contact of the sensing block (15) with the touch block (13) according to the judgment of the sensing module, the information transmission module is used for transmitting a modified program and alarm information, the alarm module is used for giving an alarm, and the program adjustment module is used for replacing the transmitted modified program.
6. The elastic retractable unmanned aerial vehicle shock mount according to claim 5, wherein: the information transmission system comprises the following operation steps:
s1, unmanned aerial vehicle landing, and operating an information transmission system;
step S2, the sensing module judges whether the sensing block (15) is in contact with the touch block (13), the number of times of the contact of the sensing block (15) with the touch block (13) is calculated through the number calculation module, the step S3 is carried out when the number of times is large, and the step S4 is carried out when the number of times is small;
step S3, the information transmission module transmits the modified program and alarm information to the alarm module and the program adjustment module, the alarm module gives an alarm, and the program adjustment module replaces the original program of the motor (3) according to the transmitted modified program;
and S4, stopping the operation of the information transmission system after the unmanned aerial vehicle finishes landing.
7. The elastic retractable unmanned aerial vehicle shock mount according to claim 6, wherein: in the step S2 and the step S3, when N is more than or equal to N 1 When N is the contact frequency of the sensing block (15) and the touch block (13), N 1 The sensing block (15) and the touch block (13) set for the system are contacted for times, the alarm module reminds of replacing the spring (10), and meanwhile, the program of the motor (3) is replaced, so that the next falling stability is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310202977.0A CN116215848A (en) | 2023-03-06 | 2023-03-06 | Elastic shrinkage type shock absorption support for unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310202977.0A CN116215848A (en) | 2023-03-06 | 2023-03-06 | Elastic shrinkage type shock absorption support for unmanned aerial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN116215848A true CN116215848A (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310202977.0A Pending CN116215848A (en) | 2023-03-06 | 2023-03-06 | Elastic shrinkage type shock absorption support for unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117401205A (en) * | 2023-12-13 | 2024-01-16 | 西安天成益邦电子科技有限公司 | Unmanned aerial vehicle landing gear shock absorption structure and method |
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2023
- 2023-03-06 CN CN202310202977.0A patent/CN116215848A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117401205A (en) * | 2023-12-13 | 2024-01-16 | 西安天成益邦电子科技有限公司 | Unmanned aerial vehicle landing gear shock absorption structure and method |
| CN117401205B (en) * | 2023-12-13 | 2024-03-19 | 西安天成益邦电子科技有限公司 | Unmanned aerial vehicle landing gear shock absorption structure and method |
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Effective date of registration: 20231214 Address after: No. 32, Huishang Road, Longyou Economic Development Zone, Muhuan Township, Longyou County, Quzhou City, Zhejiang Province 324000 Applicant after: Zhejiang Dongjia Technology Co.,Ltd. Address before: No. 1801, Zhongwu Avenue, Changzhou City, Jiangsu Province, 213000 Applicant before: JIANGSU University OF TECHNOLOGY |