CN212448053U - Unmanned aerial vehicle undercarriage jack - Google Patents
Unmanned aerial vehicle undercarriage jack Download PDFInfo
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- CN212448053U CN212448053U CN202021618089.5U CN202021618089U CN212448053U CN 212448053 U CN212448053 U CN 212448053U CN 202021618089 U CN202021618089 U CN 202021618089U CN 212448053 U CN212448053 U CN 212448053U
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Abstract
The embodiment of the utility model discloses an unmanned aerial vehicle undercarriage jack, unmanned aerial vehicle undercarriage jack includes: the device comprises an installation frame, a retraction rotating shaft, a worm installation seat, a worm wheel, a rocker arm and a machine wheel; wherein, receive and release the pivot and pass the setting in the installation frame, can for the installation frame rotates, the worm mount pad sets up the installation frame top, the worm sets up in the worm mount pad, the worm wheel cover is established receive and release in the pivot, the worm wheel mesh in the worm, the one end of rocking arm connect in receive and release the pivot, the other end connect in the wheel. The required installation space of this unmanned aerial vehicle undercarriage jack is little, possesses high reduction ratio simultaneously.
Description
Technical Field
The utility model relates to an aircraft field, concretely relates to unmanned aerial vehicle undercarriage jack.
Background
At present, the (small) unmanned aerial vehicle undercarriage adopts a push rod transmission mechanism and a gear transmission mechanism to realize retraction of an undercarriage hatch cover. The two mechanisms have the following disadvantages in operation: 1. it is inconvenient to arrange in an aircraft with a narrow space; 2. because the two mechanisms have lower speed reduction ratio under the same space condition, a servo driving motor with higher power is required to be selected to meet the design requirement, and the cost is increased.
Therefore, there is a need to develop an unmanned landing gear retraction mechanism that reduces the space required for installation while providing a high reduction ratio.
The information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an unmanned aerial vehicle undercarriage jack, this unmanned aerial vehicle undercarriage jack required installation space is little, possesses high reduction ratio simultaneously.
In order to achieve the above object, according to the utility model provides an unmanned aerial vehicle undercarriage jack, unmanned aerial vehicle undercarriage jack includes: the device comprises an installation frame, a retraction rotating shaft, a worm installation seat, a worm wheel, a rocker arm and a machine wheel;
wherein, receive and release the pivot and pass the setting in the installation frame, can for the installation frame rotates, the worm mount pad sets up the installation frame top, the worm sets up in the worm mount pad, the worm wheel cover is established receive and release in the pivot, the worm wheel mesh in the worm, the one end of rocking arm connect in receive and release the pivot, the other end connect in the wheel.
Preferably, the unmanned aerial vehicle landing gear retracting mechanism further comprises a retracting and releasing rotating shaft supporting bearing, the retracting and releasing rotating shaft supporting bearing is arranged on the mounting frame, and the retracting and releasing rotating shaft is connected to the retracting and releasing rotating shaft supporting bearing.
Preferably, the unmanned aerial vehicle undercarriage retracting mechanism further comprises a worm support bearing, the worm support bearing is arranged on the worm mounting seat, and the worm is connected to the worm support bearing.
Preferably, unmanned aerial vehicle undercarriage jack still includes servo drive motor and drive gear group, servo drive motor's output connect in the input gear of drive gear group, drive gear group sets up one side of worm mount pad, the output gear cover of drive gear group is established on the worm.
Preferably, the worm mounting seat is connected to the mounting frame through a screw, and an adjusting elastic sheet is sleeved on the screw.
Preferably, the undercarriage retraction mechanism of the unmanned aerial vehicle further comprises a shock absorber, and the wheel is connected to one end of the rocker arm through the shock absorber.
Has the advantages that:
1) the utility model provides an unmanned aerial vehicle undercarriage jack, through receiving and releasing the pivot, the setting of worm and worm wheel, carry out the power conveying, rotate through the drive worm and to drive the rocking arm swing, receive and release the pivot, the required installation space of worm and worm wheel is little, setting up through installation frame and worm mount pad makes unmanned aerial vehicle undercarriage jack structure more compact, the required installation space of unmanned aerial vehicle undercarriage jack has further been reduced, the installation and the dismantlement of the unmanned aerial vehicle undercarriage jack of being convenient for, unmanned aerial vehicle space utilization has been improved.
2) Through worm and worm wheel, the rotation of worm can drive the rocking arm through the worm wheel and rotate, realizes receiving and releasing of wheel, has improved the speed reduction ratio.
Drawings
Fig. 1 is a schematic structural diagram of an undercarriage retraction mechanism of an unmanned aerial vehicle according to an embodiment of the present invention.
Fig. 2 is a partial enlarged view of the undercarriage retraction mechanism of the unmanned aerial vehicle according to an embodiment of the present invention.
Description of reference numerals:
1. retracting and releasing the rotating shaft; 2. a retracting rotating shaft supporting bearing; 3. a mounting frame; 4. a worm support bearing; 5. a worm; 6. a worm mount; 7. a servo drive motor; 8. a drive gear set; 9. adjusting the elastic sheet; 10. a worm gear; 11. a rocker arm; 12. a shock absorber; 13. a wheel.
Detailed Description
The technical scheme of the utility model is described in detail with the accompanying drawings.
According to the utility model discloses an aspect provides an unmanned aerial vehicle undercarriage jack, and unmanned aerial vehicle undercarriage jack includes: the device comprises an installation frame, a retraction rotating shaft, a worm installation seat, a worm wheel, a rocker arm and a machine wheel;
wherein, receive and release the pivot and pass the setting in the installation frame, can for the installation frame rotates, the worm mount pad sets up the installation frame top, the worm sets up in the worm mount pad, the worm wheel cover is established receive and release in the pivot, the worm wheel mesh in the worm, the one end of rocking arm connect in receive and release the pivot, the other end connect in the wheel.
The utility model discloses an unmanned aerial vehicle undercarriage jack installs on unmanned aerial vehicle in the use, drives the worm through drive arrangement and rotates, and the worm can drive the worm wheel and rotate, and further drive receive and releases the pivot and rotate, and the rocking arm can be through the rotation of receiving and releasing the pivot, and the drive wheel is accomodate or is stretched out, has realized receiving and releasing of unmanned aerial vehicle undercarriage.
The utility model provides an unmanned aerial vehicle undercarriage jack, through receiving and releasing the pivot, the setting of worm and worm wheel, carry out the power conveying, rotate through the drive worm and to drive the rocking arm swing, receive and release the pivot, the required installation space of worm and worm wheel is little, setting up through installation frame and worm mount pad makes unmanned aerial vehicle undercarriage jack structure more compact, the required installation space of unmanned aerial vehicle undercarriage jack has further been reduced, the installation and the dismantlement of the unmanned aerial vehicle undercarriage jack of being convenient for, unmanned aerial vehicle space utilization has been improved.
The utility model discloses a worm and worm wheel, the worm rotates and to drive the rocking arm through the worm wheel and rotate, realizes receiving and releasing of wheel, has improved the reduction ratio.
Preferably, the unmanned aerial vehicle landing gear retracting mechanism further comprises a retracting and releasing rotating shaft supporting bearing, the retracting and releasing rotating shaft supporting bearing is arranged on the mounting frame, and the retracting and releasing rotating shaft is connected to the retracting and releasing rotating shaft supporting bearing.
In the technical scheme, a retractable rotating shaft supporting bearing is further arranged, so that the retractable rotating shaft can rotate relative to the installation frame, and the retractable rotating shaft can be installed and stored conveniently.
Preferably, the undercarriage retraction mechanism of the unmanned aerial vehicle further comprises a worm support bearing, the worm support bearing is arranged on the worm mounting seat, and the worm is connected to the worm support bearing.
In the technical scheme, the worm supporting bearing is further included, so that the worm can conveniently rotate relative to the worm mounting seat, and the worm can be conveniently mounted.
As preferred scheme, unmanned aerial vehicle undercarriage jack still includes servo drive motor and drive gear group, servo drive motor's output connect in the input gear of drive gear group, drive gear group sets up one side of worm mount pad, the output gear cover of drive gear group is established on the worm.
In this technical scheme, further included servo drive motor and drive gear group, can drive the worm through drive gear group through servo drive motor as the power supply and rotate, drive gear group sets up in worm mount pad one side for unmanned aerial vehicle undercarriage jack structure is more compact, has further reduced required installation space.
Preferably, the worm mounting seat is connected to the mounting frame through a screw, and an adjusting elastic sheet is sleeved on the screw.
In this technical scheme, through the setting of adjustment shell fragment for the meshing of worm and worm wheel is in the state that compresses tightly all the time, has ensured the security of unmanned aerial vehicle undercarriage jack operation.
As preferred scheme, unmanned aerial vehicle undercarriage jack still includes the bumper shock absorber, the wheel through above-mentioned bumper shock absorber connect in the one end of rocking arm.
In this technical scheme, further included the bumper shock absorber, unmanned aerial vehicle undercarriage jack has the shock attenuation effect concurrently in the use, reduces the impact force that unmanned aerial vehicle need bear.
Example 1
Fig. 1 is a schematic structural diagram of an undercarriage retraction mechanism of an unmanned aerial vehicle according to an embodiment of the present invention. Fig. 2 is a partial enlarged view of the undercarriage retraction mechanism of the unmanned aerial vehicle according to an embodiment of the present invention.
As shown in fig. 1 and 2, the unmanned aerial vehicle landing gear retracting mechanism includes: the device comprises an installation frame 3, a retraction rotating shaft 1, a worm installation seat 6, a worm 5, a worm wheel 10, a rocker arm 11 and a wheel 13;
wherein, receive and release pivot 1 and pass the setting in the installation frame 3, can for installation frame 3 rotates, worm mount pad 6 sets up installation frame 3 top, worm 5 sets up in the worm mount pad 6, worm wheel 10 cover is established receive and release pivot 1 is last, worm wheel 10 mesh in worm 5, the one end of rocking arm 11 connect in receive and release pivot 1, the other end connect in wheel 13.
The unmanned aerial vehicle undercarriage retracting mechanism further comprises a retracting and releasing rotating shaft supporting bearing 2, the retracting and releasing rotating shaft supporting bearing 2 is arranged on the mounting frame 3, and the retracting and releasing rotating shaft 1 is connected to the retracting and releasing rotating shaft supporting bearing 2.
Wherein, unmanned aerial vehicle undercarriage jack still includes worm support bearing 4, worm support bearing 4 sets up on the worm mount pad 6, worm 5 connect in worm support bearing 4.
Wherein, unmanned aerial vehicle undercarriage jack still includes servo drive motor 7 and drive gear group 8, servo drive motor 7's output connect in the input gear of drive gear group 8, drive gear group 8 sets up one side of worm mount pad 6, the output gear cover of drive gear group 8 is established on the worm 5.
The worm mounting seat 6 is connected to the mounting frame 3 through a screw, and an adjusting elastic sheet 9 is sleeved on the screw.
The undercarriage retraction mechanism of the unmanned aerial vehicle further comprises a shock absorber 12, and the wheel 13 is connected to one end of the rocker arm 11 through the shock absorber 12.
In the embodiment, a servo drive motor 7 arranged on a worm mounting seat 6 drives a transmission gear set 8 after a controller controls a power supply to supply power, the transmission gear set 8 drives a worm 5 arranged on the worm mounting seat 6 once to drive the worm 5 on a worm supporting bearing 4 to rotate around the center of the worm supporting bearing 4, the rotation of the worm 5 drives a worm wheel 10 to rotate around a retraction rotating shaft 1 arranged in a mounting frame 3 and supported by the retraction rotating shaft supporting bearing 2 around the center of the retraction rotating shaft supporting bearing 2, a rocker arm 11 fixed on the worm wheel 10, a shock absorber 12 connected to the rocker arm 11 and a wheel 13 rotate along with the worm wheel 10 around the center of the retraction rotating shaft supporting bearing 2, and finally the function of retraction is achieved, a spring sheet 9 is adjusted to counteract a gap generated in the meshing process of the worm 5 and the worm wheel 10 through self elastic deformation in the process that the worm wheel 10 rotates around the retraction rotating shaft supporting, the worm 5 and the worm wheel 10 are always in a pre-tightening state in the meshing process, and the landing gear is stably retracted and released, and repeated impact and noise are eliminated.
In the embodiment, the worm wheel 10 and the worm 5 have the self-locking function, so that a limiting mechanism and a locking mechanism are not required to be designed when the undercarriage is designed, the structure is simplified, and the cost is reduced; the worm wheel 10 and worm 5 structure adopted in the embodiment has a large reduction ratio, so that the corresponding servo driving motor 7 with small power and cost can be selected during design and is convenient to arrange in an airplane with narrow space; meanwhile, due to the arrangement of the adjusting elastic sheet 9, the landing gear is in a compressed state at the meshing moment of the worm wheel 10 and the worm 5 in the retraction process, so that repeated impact and noise are eliminated in the retraction process of the landing gear.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an unmanned aerial vehicle undercarriage jack, its characterized in that, unmanned aerial vehicle undercarriage jack includes: the device comprises an installation frame, a retraction rotating shaft, a worm installation seat, a worm wheel, a rocker arm and a machine wheel;
wherein, receive and release the pivot and pass the setting in the installation frame, can for the installation frame rotates, the worm mount pad sets up the installation frame top, the worm sets up in the worm mount pad, the worm wheel cover is established receive and release in the pivot, the worm wheel mesh in the worm, the one end of rocking arm connect in receive and release the pivot, the other end connect in the wheel.
2. An unmanned aerial vehicle landing gear stowing mechanism according to claim 1, further comprising a stowing and releasing pivot support bearing provided on the mounting frame, the stowing and releasing pivot being connected to the stowing and releasing pivot support bearing.
3. The unmanned aerial vehicle landing gear stowing and releasing mechanism of claim 1, further comprising a worm support bearing disposed on the worm mount, the worm being connected to the worm support bearing.
4. The unmanned aerial vehicle landing gear retracting mechanism according to claim 3, further comprising a servo drive motor and a transmission gear set, wherein an output end of the servo drive motor is connected to an input gear of the transmission gear set, the transmission gear set is arranged on one side of the worm mounting seat, and an output gear of the transmission gear set is sleeved on the worm.
5. An unmanned aerial vehicle landing gear retraction mechanism according to claim 4, wherein the worm mount is attached to the mounting frame by screws, the screws being provided with adjustment tabs.
6. An unmanned aerial vehicle landing gear stowing and releasing mechanism according to claim 1, further comprising a shock absorber through which the wheel is connected to one end of the swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618089.5U CN212448053U (en) | 2020-08-06 | 2020-08-06 | Unmanned aerial vehicle undercarriage jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618089.5U CN212448053U (en) | 2020-08-06 | 2020-08-06 | Unmanned aerial vehicle undercarriage jack |
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| CN212448053U true CN212448053U (en) | 2021-02-02 |
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| CN202021618089.5U Active CN212448053U (en) | 2020-08-06 | 2020-08-06 | Unmanned aerial vehicle undercarriage jack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762311A (en) * | 2020-08-06 | 2020-10-13 | 四川跃纳科技有限公司 | Unmanned aerial vehicle undercarriage jack |
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2020
- 2020-08-06 CN CN202021618089.5U patent/CN212448053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762311A (en) * | 2020-08-06 | 2020-10-13 | 四川跃纳科技有限公司 | Unmanned aerial vehicle undercarriage jack |
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