CN220332980U - Multi-rotor unmanned aerial vehicle landing gear - Google Patents
Multi-rotor unmanned aerial vehicle landing gear Download PDFInfo
- Publication number
- CN220332980U CN220332980U CN202321511930.4U CN202321511930U CN220332980U CN 220332980 U CN220332980 U CN 220332980U CN 202321511930 U CN202321511930 U CN 202321511930U CN 220332980 U CN220332980 U CN 220332980U
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- China
- Prior art keywords
- fork arm
- unmanned aerial
- aerial vehicle
- shearing fork
- arm
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- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 238000010008 shearing Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Abstract
The utility model belongs to the technical field of unmanned aerial vehicles, and particularly discloses a multi-rotor unmanned aerial vehicle landing gear, which comprises the following components: the device comprises a protective shell and a shearing fork arm, wherein a first end of the shearing fork arm is movably connected to the inner wall of the protective shell, a grab handle is arranged at the bottom of the shearing fork arm, a second end of the shearing fork arm is movably connected to the grab handle, the shearing fork arm is provided with an extending state and a contracting state, a transmission mechanism and a driving mechanism are arranged in the protective shell, and the driving mechanism drives the shearing fork arm to switch between the extending state and the contracting state through the transmission mechanism; when needs use handheld take off and land, actuating mechanism passes through drive mechanism drive and cuts the fork arm and switch into the extension state, until cut the fork arm and stretch completely, at this moment, the grab handle is farther with unmanned aerial vehicle's rotor distance, and personnel accomplish unmanned aerial vehicle's handheld take off and land through holding the grab handle, and when holding, the arm is farther from the distance of rotor, and the rotor is difficult for fish tail arm, and the security is higher.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicles, in particular to a multi-rotor unmanned aerial vehicle landing gear.
Background
The utility model provides a many rotor unmanned aerial vehicle, a special unmanned helicopter with three and above rotor shaft, it rotates through the epaxial motor of every, drive the rotor, thereby produce thrust, take off and the landing stage, many rotor unmanned aerial vehicle adopts the mode of straight upward and straight following, consequently, many rotor unmanned aerial vehicle's undercarriage need not be equipped with the tire, and adopt fixed support, small-size rotor unmanned aerial vehicle's portability is higher, if outdoor no flat ground supplies rotor unmanned aerial vehicle to take off and land, need personnel to hold unmanned aerial vehicle and take off and land, and in the stage of taking off and land, the rotational speed of a plurality of rotors is higher, personnel are when handheld, high-speed rotatory rotor and personnel's arm distance are nearer, the danger of cutting the arm takes place easily.
In order to meet portability, the existing small-sized rotor unmanned aerial vehicle is small in landing gear body type, the extending distance is short, when a person holds the unmanned aerial vehicle, the holding distance cannot be increased by holding the landing gear of the unmanned aerial vehicle, when the person holds, the arm is still close to the rotor, and the danger of cutting the arm easily occurs. Accordingly, one skilled in the art would provide a multi-rotor unmanned landing gear that solves the problems set forth in the background above.
Disclosure of Invention
The utility model aims to provide a multi-rotor unmanned aerial vehicle landing gear, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a multi-rotor unmanned aircraft landing gear, comprising:
a protective shell which is a rectangular shell with an opening at the bottom;
the inner part of the protective shell is provided with a shearing fork arm, a first end of the shearing fork arm is movably connected to the inner wall of the protective shell, the bottom of the shearing fork arm is provided with a grab handle, a second end of the shearing fork arm is movably connected to the grab handle, the shearing fork arm is provided with an extending state and a contracting state, when the shearing fork arm is in the extending state, the second end of the shearing fork arm extends outwards through an opening at the bottom of the protective shell and pushes the grab handle to be far away from the protective shell, and when the shearing fork arm is in the contracting state, the shearing fork arm and the grab handle are both moved into the protective shell;
the inside of the protective shell is provided with a transmission mechanism and a driving mechanism, and the driving mechanism drives the scissor arms to switch between an extending state and a contracting state through the transmission mechanism.
As still further aspects of the utility model: two auxiliary frames for auxiliary support are symmetrically arranged at two ends of the outer side wall of the protective shell.
As still further aspects of the utility model: the auxiliary frame comprises a connecting seat, a cantilever and a supporting column, wherein the connecting seat is fixed on the protective shell, the first end of the cantilever is rotationally connected with the connecting seat, and the supporting column is vertically fixed at the second end of the cantilever.
As still further aspects of the utility model: the first end of the scissor arm is provided with two movable ends, the two movable ends of the first end of the scissor arm are both fixed with connecting shafts, and the first end of the scissor arm is movably connected with the inner wall of the protective shell through the connecting shafts.
As still further aspects of the utility model: the transmission mechanism comprises a fixed seat and a rotating shaft, the fixed seat is fixed on the inner wall of the protective shell, the rotating shaft is rotationally connected to the fixed seat, the transmission mechanism further comprises a worm and a worm wheel, the two ends of the rotating shaft are coaxially fixed with the worm, the connecting shaft is coaxially fixed with the worm wheel, and the worm is meshed with the worm wheel.
As still further aspects of the utility model: the driving mechanism comprises a driving motor, a first gear and a second gear, the driving motor is fixed on the inner wall of the protective shell, the first gear is fixed at the output end of the driving motor, the second gear is coaxially fixed on the rotating shaft, and the first gear is meshed with the second gear.
As still further aspects of the utility model: the outer side wall of the grab handle is provided with a plurality of anti-skid patterns for increasing friction force.
Compared with the prior art, the utility model has the beneficial effects that:
when needs use handheld take off and land, actuating mechanism passes through drive mechanism drive and cuts the fork arm and switch into the extension state, until cut the fork arm and stretch completely, at this moment, the grab handle is farther with unmanned aerial vehicle's rotor distance, personnel accomplish unmanned aerial vehicle's handheld take off and land through holding the grab handle, the arm is farther with the distance of rotor when holding, the rotor is difficult for fish tail arm, the security is higher, when need not use handheld take off and land, actuating mechanism passes through drive mechanism drive and cuts the fork arm and switch into the shrink state, cut the fork arm and upwards shrink folding, until cut fork arm and grab handle all remove to the protecting crust in, keep the planarization of protecting crust bottom, can not cause shielding to unmanned aerial vehicle's undercarriage.
Drawings
FIG. 1 is a schematic structural view of a multi-rotor unmanned landing gear;
FIG. 2 is a schematic view of a scissor arm in an extended state of a multi-rotor unmanned landing gear;
FIG. 3 is a schematic illustration of an auxiliary frame in a deployed state in a multi-rotor unmanned landing gear;
FIG. 4 is a schematic view of a scissor arm retracted into a protective housing of a multi-rotor unmanned landing gear;
fig. 5 is an enlarged schematic view at a in fig. 4.
In the figure: 10. a protective shell; 11. a scissor arm; 12. a grab handle; 13. a connecting shaft; 20. a transmission mechanism; 21. a fixing seat; 22. a rotating shaft; 23. a worm; 24. a worm wheel; 30. a driving mechanism; 31. a driving motor; 32. a first gear; 33. a second gear; 40. an auxiliary frame; 41. a connecting seat; 42. a cantilever; 43. and (5) supporting the column.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings. Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
A multi-rotor unmanned landing gear incorporating the examples shown in fig. 1-5, comprising: a protective shell 10, a scissor arm 11, a grab handle 12, a transmission mechanism 20 and a driving mechanism 30.
The protection shell 10 is set to be a rectangular shell with an opening at the bottom, the first end of the shearing fork arm 11 is movably connected to the inner wall of the protection shell 10, the second end of the shearing fork arm 11 is movably connected to the grab handle 12, the shearing fork arm 11 is provided with an extending state and a contracting state, the transmission mechanism 20 and the driving mechanism 30 are arranged on the inner wall of the protection shell 10, the driving mechanism 30 drives the shearing fork arm 11 to switch between the extending state and the contracting state through the transmission mechanism 20, the protection shell 10 is fixed to the bottom of the unmanned aerial vehicle, and the driving mechanism 30 is connected with a power supply module and a control module of the unmanned aerial vehicle.
So, when needing to use handheld take-off and land, actuating mechanism 30 passes through actuating mechanism 20 drive and cuts fork arm 11 to switch to the extension state, cut the second end of fork arm 11 and outwards stretch out through the bottom opening of protecting crust 10, and promote grab handle 12 and keep away from protecting crust 10, until cut fork arm 11 stretches completely, at this moment, grab handle 12 is farther with unmanned aerial vehicle's rotor distance, personnel accomplish unmanned aerial vehicle's handheld take-off and land through holding grab handle 12, during the holding, the arm is farther from the distance of rotor, the rotor is difficult for fish tail arm, the security is higher, when not needing to use handheld take-off and land, actuating mechanism 30 passes through actuating mechanism 20 drive and cuts fork arm 11 to switch to the shrink state, cut fork arm 11 upwards shrink folding, until cut fork arm 11 and grab handle 12 all move to in the protecting crust 10, keep the planarization of protecting crust 10 bottom, can not cause the shielding to unmanned aerial vehicle's undercarriage.
As shown in fig. 1, 2 and 3, two auxiliary frames 40 for auxiliary support are symmetrically installed at two ends of the outer side wall of the protective housing 10, the auxiliary frames 40 comprise a connecting seat 41, a cantilever 42 and a supporting column 43, the connecting seat 41 is fixed on the protective housing 10, a first end of the cantilever 42 is rotatably connected with the connecting seat 41, and the supporting column 43 is vertically fixed at a second end of the cantilever 42.
So, when not holding the take off and land, and the protecting crust 10 bottom is located the below of unmanned aerial vehicle self undercarriage and leads to unmanned aerial vehicle self undercarriage to be unable to use, with cantilever 42 swing expansion, cantilever 42 and support column 43 can play the effect of undercarriage, unmanned aerial vehicle can normally take off and land.
Referring to fig. 5, two movable ends are disposed at the first end of the scissor arm 11, the two movable ends of the first end of the scissor arm 11 are both fixed with a connecting shaft 13, one end of the connecting shaft 13 is rotatably connected to the inner wall of the protective shell 10, and the first end of the scissor arm 11 is movably connected to the inner wall of the protective shell 10 through the connecting shaft 13.
Further, the transmission mechanism 20 includes a fixing seat 21 and a rotating shaft 22, the fixing seat 21 is fixed on the inner wall of the protective shell 10, the rotating shaft 22 is rotatably connected to the fixing seat 21, the transmission mechanism 20 further includes a worm 23 and a worm wheel 24, two ends of the rotating shaft 22 are coaxially fixed with the worm 23, the transmission directions of the two worm 23 are opposite, the connecting shaft 13 is coaxially fixed with the worm wheel 24, and the worm 23 is meshed with the worm wheel 24.
In this way, the driving mechanism 30 drives the rotating shaft 22 on the fixing seat 21 to rotate, the worm 23 fixed on the rotating shaft 22 synchronously rotates, and as the worm 23 is meshed with the worm wheel 24, the two worm wheels 24 are respectively driven by the two worm wheels 23, and the rotation directions are opposite, so that the worm wheel 24 drives the scissor arm 11 to swing and stretch through the connecting shaft 13, and the worm 23 and the worm wheel 24 have a self-locking effect, and the scissor arm 11 cannot automatically act.
As shown in fig. 4 and 5, the driving mechanism 30 includes a driving motor 31, a first gear 32 and a second gear 33, the driving motor 31 is fixed on the inner wall of the protective housing 10, the first gear 32 is fixed on the output end of the driving motor 31, the second gear 33 is coaxially fixed on the rotating shaft 22, and the first gear 32 is meshed with the second gear 33.
In this way, the driving motor 31 can drive the rotation shaft 22 to rotate through the engaged first gear 32 and second gear 33.
As shown in fig. 2 and 4, the outer side wall of the handle 12 is provided with a plurality of anti-slip patterns for increasing friction force, so that a person can stably hold the handle 12 to avoid slipping.
The working principle of the utility model is as follows: when the hand-held take-off and landing is needed, the driving mechanism 30 drives the scissor arms 11 to be switched into an extending state through the transmission mechanism 20, the second ends of the scissor arms 11 extend outwards through the bottom opening of the protective shell 10 and push the grab handles 12 to be far away from the protective shell 10 until the scissor arms 11 are fully extended, at this time, the distance between the grab handles 12 and the rotor wing of the unmanned aerial vehicle is far, a person can complete the hand-held take-off and landing of the unmanned aerial vehicle by holding the grab handles 12, the distance between the arms and the rotor wing is far, the rotor wing is not easy to scratch the arms, the safety is high, when the hand-held take-off and landing is not needed, the driving mechanism 30 drives the scissor arms 11 to be switched into a contracting state through the transmission mechanism 20, and the scissor arms 11 contract upwards to be folded until the scissor arms 11 and the grab handles 12 are all moved into the protective shell 10, the flatness of the bottom of the protective shell 10 is kept, and the landing gear of the unmanned aerial vehicle cannot be blocked.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A multi-rotor unmanned aircraft landing gear, comprising:
a protective shell (10) which is a rectangular shell with an opening at the bottom;
the inside of the protecting shell (10) is provided with a shearing fork arm (11), a first end of the shearing fork arm (11) is movably connected to the inner wall of the protecting shell (10), the bottom of the shearing fork arm (11) is provided with a grab handle (12), a second end of the shearing fork arm (11) is movably connected to the grab handle (12), the shearing fork arm (11) is provided with an extending state and a contracting state, when the shearing fork arm (11) is in the extending state, the second end of the shearing fork arm (11) extends outwards through an opening at the bottom of the protecting shell (10) and pushes the grab handle (12) to be far away from the protecting shell (10), and when the shearing fork arm (11) is in the contracting state, the shearing fork arm (11) and the grab handle (12) are both moved into the protecting shell (10).
The inside of the protective shell (10) is provided with a transmission mechanism (20) and a driving mechanism (30), and the driving mechanism (30) drives the scissor arm (11) to switch between an extending state and a contracting state through the transmission mechanism (20).
2. A multi-rotor unmanned aircraft landing gear according to claim 1, wherein two auxiliary frames (40) for auxiliary support are symmetrically mounted at both ends of the outer side wall of the protective casing (10).
3. A multi-rotor unmanned aerial vehicle landing gear according to claim 2, wherein the auxiliary frame (40) comprises a connection base (41), a cantilever (42) and a support column (43), the connection base (41) is fixed on the protective casing (10), a first end of the cantilever (42) is rotatably connected with the connection base (41), and the support column (43) is vertically fixed at a second end of the cantilever (42).
4. The multi-rotor unmanned aerial vehicle landing gear according to claim 1, wherein the first end of the scissor arm (11) is provided with two movable ends, the two movable ends of the first end of the scissor arm (11) are both fixed with a connecting shaft (13), and the first end of the scissor arm (11) is movably connected with the inner wall of the protecting shell (10) through the connecting shaft (13).
5. The multi-rotor unmanned aerial vehicle landing gear according to claim 4, wherein the transmission mechanism (20) comprises a fixed seat (21) and a rotating shaft (22), the fixed seat (21) is fixed on the inner wall of the protective housing (10), the rotating shaft (22) is rotationally connected to the fixed seat (21), the transmission mechanism (20) further comprises a worm (23) and a worm wheel (24), the two ends of the rotating shaft (22) are coaxially fixed with the worm (23), the connecting shaft (13) is coaxially fixed with the worm wheel (24), and the worm (23) is meshed with the worm wheel (24).
6. A multi-rotor unmanned aerial vehicle landing gear according to claim 5, wherein the drive mechanism (30) comprises a drive motor (31), a first gear (32) and a second gear (33), the drive motor (31) is fixed to the inner wall of the protective housing (10), the first gear (32) is fixed to the output end of the drive motor (31), the second gear (33) is coaxially fixed to the rotary shaft (22), and the first gear (32) is meshed with the second gear (33).
7. A multi-rotor unmanned aerial vehicle landing gear according to claim 1, wherein the outer side wall of the grip (12) is provided with a number of anti-skid grooves for increasing friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321511930.4U CN220332980U (en) | 2023-06-14 | 2023-06-14 | Multi-rotor unmanned aerial vehicle landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321511930.4U CN220332980U (en) | 2023-06-14 | 2023-06-14 | Multi-rotor unmanned aerial vehicle landing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332980U true CN220332980U (en) | 2024-01-12 |
Family
ID=89445832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321511930.4U Active CN220332980U (en) | 2023-06-14 | 2023-06-14 | Multi-rotor unmanned aerial vehicle landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332980U (en) |
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2023
- 2023-06-14 CN CN202321511930.4U patent/CN220332980U/en active Active
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