CN113562184A - Lifting protection device and unmanned aerial vehicle - Google Patents
Lifting protection device and unmanned aerial vehicle Download PDFInfo
- Publication number
- CN113562184A CN113562184A CN202110849240.9A CN202110849240A CN113562184A CN 113562184 A CN113562184 A CN 113562184A CN 202110849240 A CN202110849240 A CN 202110849240A CN 113562184 A CN113562184 A CN 113562184A
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- Prior art keywords
- spring
- protection device
- control
- connecting rod
- protection
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000013016 damping Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Images
Classifications
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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
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
- B64D45/06—Landing aids; Safety measures to prevent collision with earth's surface mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- 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)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Vibration Dampers (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention provides a lifting protection device and an unmanned aerial vehicle, wherein the protection device comprises a protection cylinder, a buffer mechanism and a control mechanism, and a clamping groove is formed in the protection cylinder; the buffer mechanism comprises a protection pad, a support rod and a damping spring, wherein two ends of the support rod are respectively connected with one ends of the protection pad and the damping spring, and the other end of the damping spring is fixed on the protection cylinder. The control mechanism comprises a pressure reducing spring, a counterweight, a connecting rod, a connecting wire and a clamping head; the lower end of the connecting rod is connected with the supporting rod, and the upper end of the connecting rod is connected with one end of the clamping head; the other end card of dop is in the draw-in groove to reach fixed buffer gear effect, the counterweight is located relief spring and is connected with the connecting rod through the connecting wire. When unmanned aerial vehicle descending, the organism of having installed this device received the impact, the counterweight relied on inertia pulling connecting rod to loosen the fixed to the bracing piece, makes protection pad and bracing piece pop out a protection section of thick bamboo under the damping spring effect and protects the organism.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicle structures, in particular to a lifting protection device and an unmanned aerial vehicle.
Background
An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.
The unmanned aerial vehicle has the advantages of small volume, low manufacturing cost, convenient use, low requirement on the environment, strong viability and the like, and also has wide application in the current society.
The unmanned aerial vehicle that takes off and land perpendicularly when going up and down, when too fast, has great impact force between aircraft and the ground, does not have buffering and shock-absorbing function on current unmanned aerial vehicle's the organism, easily leads to the organism impaired when going up and down, influences the use.
Disclosure of Invention
The invention provides a lifting protection device and an unmanned aerial vehicle, wherein the protection device comprises a protection cylinder, a buffer mechanism and a control mechanism; the protection cylinder is installed on the unmanned aerial vehicle body, and the buffer mechanism is located in the protection cylinder and is elastically connected with the protection cylinder so as to protect the unmanned aerial vehicle body; control mechanism respectively with a protection section of thick bamboo and buffer gear are connected to whether play protection section of thick bamboo with the protection organism according to the motion state control buffer gear of unmanned aerial vehicle organism.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a lifting protection device comprises a protection cylinder, a buffer mechanism and a control mechanism; the buffer mechanism is positioned in the protective cylinder and is elastically connected with the protective cylinder; the control mechanism is respectively connected with the protective cylinder and the buffer mechanism to control the state of the buffer mechanism in the protective cylinder.
Furthermore, a clamping groove is formed in the inner surface of the protection cylinder.
Further, the buffer mechanism comprises a support rod and a damping spring; the upper end of the damping spring is connected with the protective cylinder, and the lower end of the damping spring is connected with one end of the supporting rod.
Furthermore, a control cavity and a transmission hole are arranged in the supporting rod; the control cavity is communicated with the outside of the supporting rod through the transmission hole.
Furthermore, the control mechanism comprises a pressure reducing spring, a weight piece, a connecting rod, a connecting wire, an extrusion spring and a clamping head; one end of the counterweight is connected with one end of the decompression spring, and the other end of the counterweight is connected with the connecting rod through a connecting wire penetrating through the transmission hole; the upper end of the connecting rod is connected with one end of the chuck, the lower end of the connecting rod is rotatably connected with the supporting rod, and the middle of the connecting rod is connected with the supporting rod through the extrusion spring; the other end of the pressure reducing spring is fixed in the control cavity; the other end of the clamping head is clamped into the clamping groove.
Furthermore, the buffer mechanism further comprises a protection pad, and the protection pad is connected with the other end of the supporting rod.
Furthermore, a vertical control groove is also arranged on the outer surface of the supporting rod; the control groove is communicated with the control cavity through the transmission hole; the lower end of the connecting rod is rotatably connected with the bottom of the control groove.
Furthermore, the control mechanism also comprises a sliding rod, and the sliding rod is fixed in the control cavity; the connecting line is lapped on the sliding rod.
Furthermore, the support rod is also provided with a spring hole; the spring hole is positioned on the side surface of the control groove and is vertical to the control groove; the end of the extrusion spring connected with the support rod is positioned in the spring hole.
An unmanned aerial vehicle comprises a machine body and the unmanned aerial vehicle lifting protection device; unmanned aerial vehicle lift protection device installs on the organism.
The invention provides a lifting protection device and an unmanned aerial vehicle, wherein the protection device comprises a protection cylinder, a buffer mechanism and a control mechanism, and a clamping groove is formed in the protection cylinder; the buffer mechanism comprises a protection pad, a support rod and a damping spring, wherein two ends of the support rod are respectively connected with one ends of the protection pad and the damping spring, and the other end of the damping spring is fixed on the protection cylinder. The control mechanism comprises a pressure reducing spring, a counterweight, a connecting rod, a connecting wire and a clamping head; the lower end of the connecting rod is connected with the supporting rod, and the upper end of the connecting rod is connected with one end of the clamping head; the other end card of dop is in the draw-in groove to reach fixed buffer gear effect, the counterweight is located relief spring and is connected with the connecting rod through the connecting wire. When unmanned aerial vehicle descending, the organism of having installed this device received the impact, the counterweight relied on inertia pulling connecting rod to loosen the fixed to the bracing piece, makes protection pad and bracing piece pop out a protection section of thick bamboo under the damping spring effect and protects the organism.
Drawings
Fig. 1 is a structural diagram of an unmanned aerial vehicle provided with a lifting protection device;
FIG. 2 is an enlarged view of the lift guard;
fig. 3 is a top view of the lift guard.
Description of reference numerals: 1-protective cylinder, 11-clamping groove, 2-buffer mechanism, 21-protective pad, 22-support rod, 221-control cavity, 222-control groove, 223-transmission hole, 224-spring hole, 23-damping spring, 3-control mechanism, 31-decompression spring, 32-counterweight, 33-a plurality of connecting rods, 34-connecting wire, 35-extrusion spring, 36-clamping head, 37-sliding rod, 4-machine body and 5-roller.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Example one
As shown in fig. 1 is a lift protection device schematic structure, lift protection device installs on unmanned aerial vehicle organism 4, including a protection section of thick bamboo 1, buffer gear 2 and control mechanism 3, but buffer gear 2 elastic mounting is in a protection section of thick bamboo 1, control mechanism 3 installs in buffer gear 2 and can bounce open with a protection section of thick bamboo 1 and be connected to control buffer gear 2 slides in a protection section of thick bamboo 1 in order to play for unmanned aerial vehicle lift protection.
In the concrete implementation, lift protection device has a plurality of, installs respectively in the front of unmanned aerial vehicle organism 4 in the back position and forms interval distribution with gyro wheel 5. Protection section of thick bamboo 1 is installed in unmanned aerial vehicle organism 4, outside protection section of thick bamboo 1's bottom opening extended organism 4, the upper portion of protection section of thick bamboo 1's internal surface is equipped with a plurality of draw-in groove 11, as shown in fig. 2, draw-in groove 11 equipartition is around protection section of thick bamboo 1 internal surface.
In a specific implementation, as shown in fig. 1, the buffer mechanism 2 includes a protection pad 21, a support rod 22 and a damping spring 23; the upper end of the damping spring 23 is connected with the upper end inside the protective cylinder 1, and the lower end is connected with the upper end of the supporting rod 22, so that the buffer mechanism 2 is elastically installed on the protective cylinder 1. The protection pad 21 is of an arc-shaped structure, and the length of the protection pad is larger than the outer diameter of the protection cylinder 1; the center of the concave surface of the protection pad 21 is connected with the lower end of the support rod 22, and when the machine body 4 is in a flying state, the arc edge of the protection pad 21 is tightly attached to the lower surface of the machine body 4, so that the resistance of the machine body 4 in flying is reduced.
In a specific implementation, as shown in fig. 2, a cylindrical control cavity 221 is arranged in the center of the upper portion of the support rod 22, a plurality of control grooves 222 are further arranged on the support rod 22, and the control grooves 222 are vertically and uniformly distributed on the peripheral outer surface of the upper portion of the support rod 22; a transmission hole 223 is further formed between the upper part of the control cavity 221 and the upper part of the control groove 222, and two ends of the transmission hole 223 are respectively communicated with the control cavity 221 and the control groove 222; a spring hole 224 is further transversely formed on a side surface of each control groove 222, and an axial direction of the spring hole 224 is coincident with a radial direction of the support rod 22.
In a specific implementation, the control mechanism 3 comprises a pressure reducing spring 31, a weight 32, a plurality of connecting rods 33, a connecting wire 34, an extrusion spring 35, a chuck 36 and a sliding rod 37; the lower end of the decompression spring 31 is fixed at the bottom of the control cavity 221, and the upper end of the decompression spring 31 is connected with the lower end of the weight member 32, so as to play a role in slowing down the weight member 32 from pressing downwards and resetting the weight member 32 due to vibration. The lower end of the connecting rod 33 is mounted at the bottom of the control groove 222, each control groove 222 is provided with one connecting rod 33, and the connecting rods 33 can rotate around the lower end after being mounted. The upper end of each connecting rod 33 is fixed with a clamping head 36, the clamping head 36 is in a wedge shape, the thick end is fixed at the upper end of the connecting rod 33, the thin end extends out of the connecting rod 33, and when the machine body 4 is in a flying state or the lifting protection device does not work, the thin end of the clamping head 36 is clamped into the clamping groove 11 of the protection cylinder 1.
In a specific implementation, the connecting line 34 passes through the transmission hole 223, one end of the connecting line is located in the control cavity 221 and connected with the upper end of the counterweight 32, and the other end of the connecting line is located in the control slot 222 and connected with the upper half portion of the connecting rod 33. The sliding rod 37 is positioned between the weight 32 and the transmission hole 223 and fixed on the support rod 22, and the connecting line 34 is lapped on the sliding rod 37, so that the connecting line 34 is prevented from contacting with the edge of the transmission hole 223 to cause friction increase and accelerated abrasion, and the service life of the connecting line 34 is prolonged. One end of the pressing spring 35 is located inside the spring hole 224 and connected to the bottom of the spring hole 224, and the other end is located outside the spring hole 224 and connected to the connecting rod 33, so as to achieve the restoring action of the connecting rod 33.
In the concrete implementation, when the lift protection device need not protect organism 4, buffer gear 2 and control mechanism 3 are in fixed state in protective cylinder 1, and damping spring 23 is in the compressed state this moment, and the edge of protection pad 21 pastes tight organism 4 in order to reduce the flight resistance, and dop 36 card is in order to hold bracing piece 22 through connecting rod 33 in draw-in groove 11, prevents that bracing piece 22 and protection pad 21 from being popped out by damping spring 23, and decompression spring 31 is in the state that naturally bears the weight of counterweight 32 simultaneously, and the connecting wire 34 of connecting counterweight 32 and connecting rod 33 is in just straightening the state. When the machine body 4 descends and the lifting protection device needs to protect the machine body 4, the instant supporting rod 22 of the machine body 4 subjected to impact force stops instantly along with the protection cylinder 1, the counterweight 32 continues to move downwards due to the inertia effect, so that the counterweight and the control cavity 221 move relatively, the connecting rod 33 is pulled to move backwards through the connecting wire 34, the chuck 36 is driven to be pulled out of the clamping groove 11, and the supporting rod 22 and the protection pad 21 are popped out by the damping spring 23 to realize effective protection of the machine body 4.
The invention provides a lifting protection device and an unmanned aerial vehicle, wherein the protection device comprises a protection cylinder, a buffer mechanism and a control mechanism, the protection cylinder is fixed on an unmanned aerial vehicle body, and the upper end in the protection cylinder is provided with a clamping groove; the damping mechanism comprises a protection pad, a support rod and a damping spring, two ends of the support rod are respectively connected with one ends of the protection pad and the damping spring, and the other end of the damping spring is fixed on the protection cylinder so as to achieve the effect of damping and protecting the machine body; control mechanism includes decompression spring, counterweight, connecting rod, connecting wire, extrusion spring, dop and slide bar, the connecting rod lower extreme is connected with the bracing piece, the one end of dop is fixed in the connecting rod upper end, and the other end card of dop is in protection section of thick bamboo draw-in groove to reach fixed buffer gear effect. The weight is located pressure relief spring, and the upper end is connected with the connecting rod through the connecting wire, and when unmanned aerial vehicle descending, the organism of having installed this lift protection device received the impact, the weight relies on self inertia pulling connecting rod to loosen the fixed of bracing piece, makes protection pad and bracing piece pop out a protection section of thick bamboo under the damping spring effect and protects the organism.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (10)
1. A lifting protection device is characterized by comprising a protection cylinder (1), a buffer mechanism (2) and a control mechanism (3); the buffer mechanism (2) is positioned in the protective cylinder (1) and is elastically connected with the protective cylinder; the control mechanism (3) is respectively connected with the protective cylinder (1) and the buffer mechanism (2) to control the state of the buffer mechanism (2) in the protective cylinder (1).
2. Lifting protection device according to claim 1, characterized in that the inner surface of the protection cylinder (1) is provided with a snap groove (11).
3. The lift protection device of claim 2, wherein the damping mechanism (2) comprises a support rod (22) and a damping spring (23); the upper end of the damping spring (23) is connected with the protective cylinder (1), and the lower end of the damping spring is connected with one end of the supporting rod (22).
4. Lifting protection device according to claim 3, characterized in that the support bar (22) is provided with a control chamber (221) and a transmission hole (223); the control cavity (221) is communicated with the outside of the support rod (22) through the transmission hole (223).
5. Lift protection device according to claim 4, characterised in that the control mechanism (3) comprises a relief spring (31), a weight (32), a connecting rod (33), a connecting wire (34), a compression spring (35) and a cartridge (36); one end of the counterweight (32) is connected with one end of the decompression spring (31), and the other end of the counterweight is connected with the connecting rod (33) through a connecting wire (34) penetrating through the transmission hole (223); the upper end of the connecting rod (33) is connected with one end of the clamping head (36), the lower end of the connecting rod is rotatably connected with the supporting rod (22), and the middle of the connecting rod is connected with the supporting rod (22) through the extrusion spring (35); the other end of the pressure reducing spring (31) is fixed in the control cavity (221); the other end of the clamping head (36) is clamped into the clamping groove (11).
6. Lifting protection device according to claim 3, characterized in that the buffer mechanism (2) further comprises a protection pad (21), the protection pad (21) being connected to the other end of the support bar (22).
7. The lift protection device of claim 5 wherein the outer surface of the support bar (22) is further provided with a vertical control slot (222); the control groove (222) is communicated with the control cavity (221) through the transmission hole (223); the lower end of the connecting rod (33) is rotatably connected with the bottom of the control groove (222).
8. Lift protection device according to claim 5, characterised in that the control mechanism (3) further comprises a slide bar (37), the slide bar (37) being fixed in a control chamber (221); the connecting line (34) is lapped on the sliding rod (37).
9. The lift protection device of claim 7 wherein said support rod (22) is further provided with a spring hole (224); the spring hole (224) is positioned on the side surface of the control groove (222) and is vertical to the control groove; the end of the pressing spring (35) connected with the support rod (22) is positioned in the spring hole (224).
10. An unmanned aerial vehicle, comprising a body (4) and the unmanned aerial vehicle protection device of any one of claims 1 to 9; unmanned aerial vehicle lift protection device installs on organism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849240.9A CN113562184B (en) | 2021-07-27 | 2021-07-27 | Lifting protection device and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110849240.9A CN113562184B (en) | 2021-07-27 | 2021-07-27 | Lifting protection device and unmanned aerial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN113562184A true CN113562184A (en) | 2021-10-29 |
| CN113562184B CN113562184B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110849240.9A Active CN113562184B (en) | 2021-07-27 | 2021-07-27 | Lifting protection device and unmanned aerial vehicle |
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| CN107215465A (en) * | 2017-06-28 | 2017-09-29 | 深圳市雷凌广通技术研发有限公司 | It is a kind of to be applied to the unmanned plane with shatter-resistant function of taking photo by plane |
| CN108910024A (en) * | 2018-06-28 | 2018-11-30 | 芜湖新尚捷智能信息科技有限公司 | It is a kind of can voluntarily avoidance and the unmanned plane with shock-absorbing function |
| WO2019198393A1 (en) * | 2018-04-13 | 2019-10-17 | Nok株式会社 | Anti-vibration device for unmanned aircraft |
| CN210364381U (en) * | 2019-07-02 | 2020-04-21 | 詹恭强 | Security protection unmanned aerial vehicle |
| CN111661330A (en) * | 2020-07-06 | 2020-09-15 | 济南九泰企业管理咨询有限公司 | Pesticide sprays plant protection unmanned aerial vehicle |
| CN112706914A (en) * | 2021-01-25 | 2021-04-27 | 北京中联国成科技有限公司 | Helicopter undercarriage with protection function |
-
2021
- 2021-07-27 CN CN202110849240.9A patent/CN113562184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215465A (en) * | 2017-06-28 | 2017-09-29 | 深圳市雷凌广通技术研发有限公司 | It is a kind of to be applied to the unmanned plane with shatter-resistant function of taking photo by plane |
| WO2019198393A1 (en) * | 2018-04-13 | 2019-10-17 | Nok株式会社 | Anti-vibration device for unmanned aircraft |
| CN108910024A (en) * | 2018-06-28 | 2018-11-30 | 芜湖新尚捷智能信息科技有限公司 | It is a kind of can voluntarily avoidance and the unmanned plane with shock-absorbing function |
| CN210364381U (en) * | 2019-07-02 | 2020-04-21 | 詹恭强 | Security protection unmanned aerial vehicle |
| CN111661330A (en) * | 2020-07-06 | 2020-09-15 | 济南九泰企业管理咨询有限公司 | Pesticide sprays plant protection unmanned aerial vehicle |
| CN112706914A (en) * | 2021-01-25 | 2021-04-27 | 北京中联国成科技有限公司 | Helicopter undercarriage with protection function |
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| CN113562184B (en) | 2023-08-18 |
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