CN210793619U - Unmanned aerial vehicle undercarriage - Google Patents
Unmanned aerial vehicle undercarriage Download PDFInfo
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- CN210793619U CN210793619U CN201921783856.5U CN201921783856U CN210793619U CN 210793619 U CN210793619 U CN 210793619U CN 201921783856 U CN201921783856 U CN 201921783856U CN 210793619 U CN210793619 U CN 210793619U
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Abstract
The utility model relates to the technical field of unmanned aerial vehicles, in particular to the technical field of unmanned aerial vehicle undercarriage, the landing gear of the unmanned aerial vehicle comprises a support connecting rod, a first damping rod, a second damping rod, a landing claw connecting seat and a landing claw, the support connecting rod comprises a support connecting rod, a support cross beam I and an unmanned aerial vehicle connector, the first damping rod comprises a sliding rod, a positioning rod I, a primary damping spring and a support cross beam II, the second damping rod comprises a sliding table, a positioning rod II, a second-stage damping spring and a claw seat connector, the claw connection base that rises and falls include supporting seat and connecting seat, the claw that rises and falls include fixed support leg, grab ground leg, claw bracing piece, claw portion slip tube, grab a damping spring, claw portion and rotate connector, positioning pin mouth and claw portion slip rod, can fall the landing point in the adaptation difference, damping performance is good.
Description
Technical Field
The utility model relates to an unmanned air vehicle technique field especially relates to an unmanned aerial vehicle undercarriage technical field.
Background
Along with the progress of science and technology, unmanned aerial vehicle's application is also more and more extensive, and unmanned aerial vehicle can carry on for military use also can carry on civilian, because service environment's difference can not guarantee to have a relatively level landing platform, and most vertical takeoff formula unmanned aerial vehicle undercarriage can only land on relatively level ground, and shock attenuation and shock resistance effect are general, and long-term use can produce the injury to unmanned aerial vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an unmanned aerial vehicle undercarriage can adapt to the difference and fall the landing point, and shock resistance is good.
The purpose of the utility model is realized through the following technical scheme:
an unmanned aerial vehicle undercarriage comprises a supporting connecting rod assembly, two first damping rods, two second damping rods, a lifting claw connecting seat and lifting claws, wherein the two first damping rods are fixedly connected to two ends of the supporting connecting rod assembly respectively;
the support connecting rod assembly comprises support connecting rods, a support cross beam I and an unmanned aerial vehicle connector, the two support connecting rods are respectively and fixedly connected to two ends of the support cross beam I, and the upper ends of the two support connecting rods are fixedly connected with the unmanned aerial vehicle connector;
the first damping rod comprises sliding pipes, positioning rods I, primary damping springs and a supporting cross beam II, the two positioning rods I are respectively connected in the two sliding pipes in a sliding mode, the two primary damping springs are respectively sleeved on the two positioning rods I, the two sliding pipes are respectively fixedly connected to two ends of the supporting cross beam II, the two positioning rods I are respectively fixedly connected to the lower ends of the two supporting connecting rods, and the two primary damping springs are respectively located between the two supporting connecting rods and the two sliding pipes;
the second damping rod comprises a sliding table, a positioning rod II, a second-stage damping spring and a claw seat connector, the positioning rod II is connected in the sliding table in a sliding mode, the second-stage damping spring is sleeved on the positioning rod II, the claw seat connector is fixedly connected to the lower end of the sliding table, and the two positioning rods II are fixedly connected to the lower ends of the two sliding pipes respectively;
the lifting claw connecting seat comprises a supporting seat and connecting seats, the supporting seat is uniformly and fixedly connected to the upper ends of the three connecting seats, the two supporting seats are respectively and fixedly connected to the lower ends of the two claw seat connectors, and the secondary damping spring is positioned between the supporting seat and the sliding table;
the claw that rises and falls include fixed support leg, grab the ground leg, claw end bracing piece, claw end sliding tube, claw end damping spring, claw end rotation connector, positioning round pin mouth and claw end slide bar, be provided with two positioning round pin mouths on the grab ground leg, the supporting leg rotates to be connected on positioning round pin mouth, the upper end fixed connection of claw end bracing piece is on fixed support leg, the lower extreme fixed connection of claw end bracing piece is in the upper end of claw end slide bar, the lower extreme sliding connection of claw end slide bar is in claw end sliding tube, claw end damping spring overlaps and establishes on claw end slide bar, claw end sliding tube rotates to be connected in the upper end that claw end rotates the connector, the lower extreme fixed connection that rotates the connector is on grabbing the ground leg, six fixed support legs are fixed connection respectively on six connecting seats.
The utility model has the advantages that:
the utility model provides an unmanned aerial vehicle landing gear, firstly, two unmanned aerial vehicle connectors are respectively installed and fixed on the lower end of an unmanned aerial vehicle, a positioning port indirectly used by a rotary supporting leg and a ground grabbing leg on a landing claw is adjusted to adjust the angle between the ground grabbing leg and the ground, so that the unmanned aerial vehicle landing gear stably supports the unmanned aerial vehicle and can take off, when the unmanned aerial vehicle landing gear lands, the landing claw firstly lands, a claw end sliding tube, a grabbing part damping bomb and a claw end sliding rod form a third damping system to carry out first damping, a second damping rod and a landing claw connecting seat form a second damping system to carry out second damping, a first damping system is formed by a supporting connecting rod and a first damping rod to carry out third damping, because the bottom is a claw structure, each landing claw can independently make adjustment to ensure that the whole landing gear can keep the stability of the unmanned aerial vehicle even if the landing gear lands on the ground with different heights, the third damping makes the unmanned aerial vehicle landing gear shock absorption effect and good, prevent that unmanned aerial vehicle from damaging.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the support link assembly of the present invention;
FIG. 3 is a schematic view of a first shock absorbing rod of the present invention;
FIG. 4 is a schematic structural view of a second shock absorbing rod of the present invention;
FIG. 5 is a schematic view of the landing claw connecting base of the present invention;
fig. 6 is a schematic view of the lifting pawl structure of the present invention.
In the figure: supporting the connecting rod assembly 1; a support link 1-1; supporting a cross beam I1-2; an unmanned aerial vehicle connector 1-3; a first shock-absorbing rod 2; a sliding tube 2-1; a positioning rod I2-2; 2-3 of a primary damping spring; a second shock-absorbing rod 3; a sliding table 3-1; a positioning rod II 3-2; 3-3 of a secondary damping spring; 3-4 parts of a claw seat connector; a lifting claw connecting seat 4; 4-1 of a supporting seat; a connecting seat 4-2; a lifting claw 5; rotating the support leg 5-1; 5-2 of ground gripping legs; 5-3 of a claw end supporting rod; 5-4 of a claw end sliding pipe; a grab part damping spring 5-5; claw end sliding connectors 5-6; adjusting the position of the pin port by 5-7; 5-8 of a claw end sliding rod;
Detailed Description
The present invention will be described in further detail with reference to fig. 1-6.
The first embodiment is as follows:
as shown in fig. 1-6, an unmanned aerial vehicle undercarriage includes a support link assembly 1, two first shock-absorbing rods 2, two second shock-absorbing rods 3, two lifting claw connection seats 4 and two lifting claws 5, where the two first shock-absorbing rods 2 are respectively and fixedly connected to two ends of the support link assembly 1, the lower end of the first shock-absorbing rod 2 is uniformly and fixedly connected with the two second shock-absorbing rods 3, the two lifting claw connection seats 4 are respectively and fixedly connected to the lower ends of the two second shock-absorbing rods 3, and each lifting claw connection seat 4 is rotatably connected with three lifting claws 5;
firstly, two unmanned aerial vehicle connectors 1-3 are respectively installed and fixed at the lower end of an unmanned aerial vehicle, a position adjusting port 5-7 used for connecting a rotating supporting leg 5-1 on a lifting claw 5 with a ground grabbing leg 5-2 is adjusted to adjust the angle between the ground grabbing leg 5-2 and the ground, so that the unmanned aerial vehicle is stably supported by an unmanned aerial vehicle undercarriage and can take off, when the unmanned aerial vehicle undercarriage descends, the lifting claw 5 lands firstly, a claw end sliding pipe 5-4, a third damping system is formed by a grabbing damping bomb 5-4 and a claw end sliding rod 5-8 for carrying out first damping, a second damping system is formed by a second damping rod 3 and a lifting claw connecting seat 4 for carrying out second damping, a first damping system is formed by a supporting connecting rod assembly 1 and a first damping rod 2 for carrying out third damping, and because the bottom is of a claw structure, each lifting claw 5 can independently make adjustment to ensure that the whole unmanned aerial vehicle undercarriage can maintain stable landing even though the unmanned aerial vehicle undercarriage descends on the ground And the shock absorption of the three times makes the shock absorption and impact resistance effect of the unmanned aerial vehicle landing frame good, so that the unmanned aerial vehicle is prevented from being damaged.
The second embodiment is as follows:
as shown in fig. 1-6: the support connecting rod assembly 1 comprises support connecting rods 1-1, support cross beams I1-2 and unmanned aerial vehicle connectors 1-3, the two support connecting rods 1-1 are respectively and fixedly connected to the two ends of the support cross beams I1-2, and the upper ends of the two support connecting rods 1-1 are respectively and fixedly connected with the unmanned aerial vehicle connectors 1-3;
the support rod 1-1 is provided with the unmanned aerial vehicle joint 1-3 for connecting and fixing below the unmanned aerial vehicle, and the support rod 1-1 is fixedly connected with the connecting beam 1-2, so that the stability and the uniform stress of the undercarriage are ensured.
The third concrete implementation mode:
as shown in fig. 1-6, the first damping rod 2 includes a sliding tube 2-1, a positioning rod i 2-2, a first-stage damping spring 2-3 and a supporting beam ii 2-4, the two positioning rods i 2-2 are respectively slidably connected in the two sliding tubes 2-1, the two first-stage damping springs 2-3 are respectively sleeved on the two positioning rods i 2-2, the two sliding tubes 2-1 are respectively fixedly connected to two ends of the supporting beam ii 2-4, the two positioning rods i 2-2 are respectively fixedly connected to lower ends of the two supporting links 1-1, and the two first-stage damping springs 2-3 are respectively located between the two supporting links 1-1 and the two sliding tubes 2-1;
the sliding pipe 2-1 is connected with a spring in a sliding mode to achieve a primary damping effect, the positioning rod I2-2 is connected to the supporting connecting rod 1-1, the positioning rod I2-2 is connected to the first-level damping spring 2-3 in a sliding mode, and the supporting cross beam II 2-4 is connected with the sliding pipe 2-1 to achieve the purposes of enabling the landing gear to be more stable and reducing the center of gravity of the whole landing gear.
The fourth concrete implementation mode:
as shown in fig. 1-6, the second damping rod 3 comprises a sliding table 3-1, a positioning rod ii 3-2, a secondary damping spring 3-3 and a claw seat connector 3-4, the positioning rod ii 3-2 is slidably connected in the sliding table 3-1, the secondary damping spring 3-3 is sleeved on the positioning rod ii 3-2, the claw seat connector 3-4 is fixedly connected to the lower end of the sliding table 3-1, and the two positioning rods ii 3-2 are respectively fixedly connected to the lower ends of the two sliding tubes 2-1;
the positioning rod II 3-2 is connected on the sliding table 3-1 in a sliding mode, the secondary damping spring 3-3 can achieve the effect of damping again due to compression, and the dimension of the whole system of the secondary damping spring 3-3 is the largest.
The fifth concrete implementation mode:
the lifting claw connecting seat 4 comprises a supporting seat 4-1 and a connecting seat 4-2, the supporting seat 4-1 is uniformly and fixedly connected to the upper ends of the three connecting seats 4-2, the two supporting seats 4-1 are respectively and fixedly connected to the lower ends of the two claw seat connectors 3-4, and the secondary damping spring 3-3 is positioned between the supporting seat 4-1 and the sliding table 3-1;
the supporting seat 4-1 is connected with a connecting seat 4-2, the supporting seat 4-1 is fixedly connected with a claw seat connector 3-4, two ends of a secondary damping spring 3-3 are supported, the supporting seat is supported on a second damping system and a third damping system, and the connecting seat 4-2 is connected with a lifting claw 5.
The sixth specific implementation mode:
as shown in the figures 1-6, the lifting claw 5 comprises a fixed supporting leg 5-1, a ground gripping leg 5-2, a claw end supporting rod 5-3, a claw end sliding tube 5-4, a claw end damping spring 5-5, a claw end rotating connector 5-6, a positioning pin port 5-7 and a claw end sliding rod 5-8, wherein the ground gripping leg 5-2 is provided with two positioning pin ports 5-7, the supporting leg 5-1 is rotatably connected to the positioning pin port 5-7, the upper end of the claw end supporting rod 5-3 is fixedly connected to the fixed supporting leg 5-1, the lower end of the claw end supporting rod 5-3 is fixedly connected to the upper end of the claw end sliding rod 5-8, the lower end of the claw end sliding rod 5-8 is slidably connected to the claw end sliding tube 5-4, the claw end damping spring 5-5 is sleeved on the claw end sliding rod 5-8, the claw end sliding pipe 5-4 is rotatably connected to the upper end of a claw end rotating connector 5-6, the lower end of the rotating connector 5-6 is fixedly connected to the ground grabbing leg 5-2, and the six fixed supporting legs 5-1 are respectively and fixedly connected to the six connecting seats 4-2;
the fixed supporting leg 5-1 is fixedly connected to the connecting seat 4-2, the position adjusting pin port 5-7 on the ground grabbing leg 5-2 is adjusted through rotation of the rotating connector 5-6 according to different using unmanned aerial vehicles to adapt to different types of using environments, the ground grabbing leg 5-2 is stressed and deformed when the ground grabbing leg descends, the claw end supporting rod 5-3, the claw end sliding tube 5-4, the grabbing part damping spring 5-5 and the claw end sliding rod 5-8 are connected to form a first damping system for damping, and if the ground descends to be uneven, the unmanned aerial vehicle body is kept stable due to the fact that the grabbing part damping spring 5-5 is deformed differently under different stress at each claw end.
The utility model relates to an unmanned aerial vehicle undercarriage, its theory of use does: firstly, two unmanned aerial vehicle connectors 1-3 are respectively installed and fixed at the lower end of an unmanned aerial vehicle, a position adjusting port 5-7 used for connecting a rotating supporting leg 5-1 on a lifting claw 5 with a ground grabbing leg 5-2 is adjusted to adjust the angle between the ground grabbing leg 5-2 and the ground, so that the unmanned aerial vehicle is stably supported by an unmanned aerial vehicle undercarriage and can take off, when the unmanned aerial vehicle undercarriage descends, the lifting claw 5 lands firstly, a claw end sliding pipe 5-4, a third damping system is formed by a grabbing damping bomb 5-4 and a claw end sliding rod 5-8 for carrying out first damping, a second damping system is formed by a second damping rod 3 and a lifting claw connecting seat 4 for carrying out second damping, a first damping system is formed by a supporting connecting rod assembly 1 and a first damping rod 2 for carrying out third damping, and because the bottom is of a claw structure, each lifting claw 5 can independently make adjustment to ensure that the whole unmanned aerial vehicle undercarriage can maintain stable landing even though the unmanned aerial vehicle undercarriage descends on the ground The landing gear of the unmanned aerial vehicle is good in shock absorption and impact resistance effect due to tertiary shock absorption and can prevent the unmanned aerial vehicle from being damaged, an unmanned aerial vehicle joint 1-3 is arranged on a support rod 1-1 and is fixedly connected below the unmanned aerial vehicle, a connecting cross beam 1-2 is fixedly connected with the support rod 1-1 to ensure the stability and uniform stress of the landing gear, a spring is connected on a sliding tube 2-1 in a sliding mode to achieve the effect of primary shock absorption, a positioning rod I2-2 is connected on the support connecting rod 1-1, the positioning rod I2-2 is connected in a primary shock absorption spring 2-3 in a sliding mode, a sliding tube 2-1 is connected with a support cross beam II 2-4 to achieve the effect of secondary shock absorption due to the compression of a secondary shock absorption spring 3-3, the aim is to enable the landing gear to be more stable and reduce the gravity center of the whole landing gear, the dimension of the whole system of the second-stage damping spring 3-3 is the largest, the supporting seat 4-1 is connected with the connecting seat 4-2, the supporting seat 4-1 is fixedly connected with the claw seat connecting head 3-4, two ends of the second-stage damping spring 3-3 are supported, the supporting seat is supported on the second damping system and the third damping system, the connecting seat 4-2 is connected with the lifting claw 5, the fixed supporting leg 5-1 is fixedly connected with the connecting seat 4-2, the positioning pin opening 5-7 on the ground gripping leg 5-2 is adjusted by rotating the connecting head 5-6 according to different using unmanned planes to adapt to different using environments, the ground gripping leg 5-2 is stressed and deformed when falling, the claw end supporting rod 5-3, the claw end sliding tube 5-4, the gripping part damping spring 5-5 and the claw end sliding rod 5-8 are connected to form a first damping system for damping, if the landing is uneven, the vibration absorbing springs 5-5 of the grabbing parts with different stress at each claw end deform differently, so that the unmanned aerial vehicle body keeps stable.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. An unmanned aerial vehicle undercarriage, includes support link assembly (1), its characterized in that: this unmanned aerial vehicle undercarriage includes first shock absorber rod (2), second shock absorber rod (3), the claw connection seat (4) and the claw (5) that rises and falls, first shock absorber rod (2) be equipped with two, two first shock absorber rod (2) fixed connection respectively are at the both ends that support link assembly (1), two even fixedly connected with second shock absorber rods (3) of lower extreme of first shock absorber rod (2), two claw connection seats (4) that rise and fall are fixed connection respectively at the lower extreme of two second shock absorber rods (3), every claw connection seat (4) that rises and falls all rotates and is connected with three claw (5) that rise and fall.
2. An unmanned landing gear according to claim 1, wherein: the support connecting rod assembly (1) comprises support connecting rods (1-1), support cross beams I (1-2) and unmanned aerial vehicle connectors (1-3), the two support connecting rods (1-1) are respectively and fixedly connected to the two ends of the support cross beams I (1-2), and the upper ends of the two support connecting rods (1-1) are fixedly connected with the unmanned aerial vehicle connectors (1-3).
3. An unmanned landing gear according to claim 2, wherein: the first damping rod (2) comprises sliding pipes (2-1), positioning rods I (2-2), first-level damping springs (2-3) and supporting cross beams II (2-4), the two positioning rods I (2-2) are respectively connected in the two sliding pipes (2-1) in a sliding mode, the two first-level damping springs (2-3) are respectively sleeved on the two positioning rods I (2-2), the two sliding pipes (2-1) are respectively fixedly connected to two ends of the supporting cross beams II (2-4), the two positioning rods I (2-2) are respectively fixedly connected to the lower ends of the two supporting connecting rods (1-1), and the two first-level damping springs (2-3) are respectively located between the two supporting connecting rods (1-1) and the two sliding pipes (2-1).
4. An unmanned landing gear according to claim 3, wherein: the second damping rod (3) comprises a sliding table (3-1), positioning rods II (3-2), a second-stage damping spring (3-3) and claw seat connectors (3-4), the positioning rods II (3-2) are connected in the sliding table (3-1) in a sliding mode, the second-stage damping spring (3-3) is sleeved on the positioning rods II (3-2), the claw seat connectors (3-4) are fixedly connected to the lower end of the sliding table (3-1), and the two positioning rods II (3-2) are fixedly connected to the lower ends of the two sliding pipes (2-1) respectively.
5. An unmanned landing gear according to claim 4, wherein: the lifting claw connecting seat (4) comprises a supporting seat (4-1) and connecting seats (4-2), the supporting seat (4-1) is uniformly and fixedly connected to the upper ends of the three connecting seats (4-2), the two supporting seats (4-1) are respectively and fixedly connected to the lower ends of the two claw seat connecting heads (3-4), and the secondary damping spring (3-3) is located between the supporting seat (4-1) and the sliding table (3-1).
6. An unmanned landing gear according to claim 5, wherein: the lifting claw (5) comprises a fixed supporting leg (5-1), a ground gripping leg (5-2), a claw end supporting rod (5-3), a claw end sliding tube (5-4), a claw end damping spring (5-5), a claw end rotating connector (5-6), a positioning pin port (5-7) and a claw end sliding rod (5-8), wherein the ground gripping leg (5-2) is provided with two positioning pin ports (5-7), the supporting leg (5-1) is rotatably connected to the positioning pin port (5-7), the upper end of the claw end supporting rod (5-3) is fixedly connected to the fixed supporting leg (5-1), the lower end of the claw end supporting rod (5-3) is fixedly connected to the upper end of the claw end sliding rod (5-8), the lower end of the claw end sliding rod (5-8) is slidably connected in the claw end sliding tube (5-4), the claw end damping spring (5-5) is sleeved on the claw end sliding rod (5-8), the claw end sliding pipe (5-4) is rotatably connected to the upper end of the claw end rotating connector (5-6), the lower end of the rotating connector (5-6) is fixedly connected to the ground grabbing leg (5-2), and the six fixed supporting legs (5-1) are respectively and fixedly connected to the six connecting seats (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783856.5U CN210793619U (en) | 2019-10-22 | 2019-10-22 | Unmanned aerial vehicle undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783856.5U CN210793619U (en) | 2019-10-22 | 2019-10-22 | Unmanned aerial vehicle undercarriage |
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| Publication Number | Publication Date |
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| CN210793619U true CN210793619U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921783856.5U Active CN210793619U (en) | 2019-10-22 | 2019-10-22 | Unmanned aerial vehicle undercarriage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261296A (en) * | 2021-12-15 | 2022-04-01 | 北京特种机械研究所 | Emergent charging device of hanging wire formula unmanned aerial vehicle |
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2019
- 2019-10-22 CN CN201921783856.5U patent/CN210793619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261296A (en) * | 2021-12-15 | 2022-04-01 | 北京特种机械研究所 | Emergent charging device of hanging wire formula unmanned aerial vehicle |
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