CN104760690A - Retractable landing gear of unmanned aircraft - Google Patents
Retractable landing gear of unmanned aircraft Download PDFInfo
- Publication number
- CN104760690A CN104760690A CN201510196810.3A CN201510196810A CN104760690A CN 104760690 A CN104760690 A CN 104760690A CN 201510196810 A CN201510196810 A CN 201510196810A CN 104760690 A CN104760690 A CN 104760690A
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- base
- rod member
- folding
- hinged
- unmanned vehicle
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Abstract
The invention discloses a retractable landing gear of an unmanned aircraft. The retractable landing gear comprises a base, a steering engine, a first rod member, a supporting frame and a fixed seat, wherein the steering engine is fixed in the hollow base, a steering engine output shaft penetrating through the side of the base is fixedly connected to a drive end of the first rod member, a linking end of the first rod member is hinged to the supporting frame, the supporting frame is hinged to the middle part of the fixed seat, and the upper part of the fixed seat is hinged to the base. The retractable landing gear of the unmanned aircraft has two stable states: supporting of the fixed seat and retraction of the fixed seat. In the aerial photo process, the fixed seat of a landing rack can be retracted, the retracted fixed seat does not hinder a photograph camera, and the 360-degree all-around smooth photographing of the camera can be guaranteed; meanwhile, the retracted fixed seat can alleviate the affection of lateral wind for the landing rack, and the stable photographing of the unmanned aircraft can be facilitated.
Description
Technical field
The present invention relates to unmanned vehicle control technology field, being in particular unmanned vehicle can folding and unfolding take-off and landing device.
Background technology
Being of wide application of existing unmanned vehicle, not only for taking photo by plane, and is used for monitoring fire, earthquake, flood etc. in professional domain.In order to realize aerial photographing, multiaxis unmanned vehicle can install the imaging device such as camera, pick up camera, also other equipment can be installed.And aircraft is in the process of flight, jiggly often, in order to provide a stable shooting platform to imaging device, the The Cloud Terrace that increasing band increases steady function is applied on Multi-axis aircraft.But this can not be avoided unmanned vehicle to be subject to the impact of other factors completely, and what cause aircraft to be taken is not steady.
What adopt due to existing unmanned vehicle is fixed landing gear, and fixed landing gear is when wind-force is larger or when high-altitude, is easily subject to the impact of crosswind, thus can have a strong impact on the stability of unmanned vehicle, causes very large puzzlement to shooting.
In addition, when increasing steady The Cloud Terrace and carrying out the rotation of 360 degree at horizontal surface, fixed landing gear often can block the sight line of camera, thus affects aerial photographing.
Therefore, obtain and a kind ofly do not affect by crosswind the alighting gear simultaneously not affecting aerial photographing and become the target that those skilled in the art pursue all the time.
Summary of the invention
Prior art fixed landing gear impact normally to take photo by plane and other shooting work, the invention provides a kind of unmanned vehicle can folding and unfolding take-off and landing device, while not affecting, does not affect aerial photographing by crosswind.
Unmanned vehicle can folding and unfolding take-off and landing device, comprise base, steering wheel, the first rod member, bracing frame and permanent seat, the base internal fixtion of hollow has steering wheel, the drive end of affixed first rod member of the steering wheel output shaft through base side, the interlock end of the first rod member and bracing frame hinged, the middle part of bracing frame and permanent seat is hinged, and top and the base of permanent seat are hinged.
Steering wheel of the present invention, as propulsion source, drives the first rod member to rotate, and the interlock end of the first rod member pulls support movements, and the rotary motion that the motion of bracing frame is permanent seat provides power, to realize the support of permanent seat and to pack up two states.
Further, also comprise symmetrically arranged second rod member with the first rod member, one end articulated base of the second rod member, the other end hinged support frame of the second rod member; Bracing frame takes the shape of the letter U, and comprises two hold-down arms and a base arm, and the two ends of base arm are hinged first rod member, the second rod member respectively, the end of two hold-down arms respectively with permanent seat in the middle part of two ends hinged.
Further, permanent seat comprises the hollow tube of bottom and the link span on top, one end articulated base of link span, the end of the other end hinged support arm of link span.
Further, also comprise position-limited lever, torque spring, position-limited lever has arc groove, one end and the base of position-limited lever are hinged; Be provided with torque spring between position-limited lever and base, one end of torque spring is arranged in the elongate holes of position-limited lever, the affixed base of the other end of torque spring; The end of two hold-down arms is hinged by the two ends in the middle part of spacing bearing pin and permanent seat, and the arc groove of spacing bearing pin and position-limited lever is adaptive.
Further, also comprise tension spring, an angular pole is stretched out in one end of the second rod member, two ends affixed angular pole end and the base respectively of tension spring.
Further, also comprise power cam, drive fork, baffle ring, steering wheel output shaft is successively through the drive end of base, power cam, driving fork, the first rod member, and power cam, driving fork are affixed with steering wheel output shaft respectively, and it is affixed that baffle ring and steering wheel export the tip of the axis.
Further, the upper end of base is provided with lug, and base has lightening hole.
Further, base is provided with position-limited trough.
Further, the protruding boss of hollow tube, boss has tapped bore.
Further, link span has lightening hole.
Beneficial effect of the present invention is: unmanned vehicle of the present invention can exist two stabilized conditionss by folding and unfolding take-off and landing device: permanent seat supports and permanent seat is packed up.In the process of taking photo by plane, the permanent seat that can control alighting gear is packed up, and the permanent seat packed up no longer becomes the obstruction of taking lens, ensures 360 degree of camera comprehensive smoothness shootings; The permanent seat simultaneously packed up reduces the impact of crosswind on alighting gear, contributes to the steady shot of unmanned vehicle.
Accompanying drawing explanation
Fig. 1 can the block diagram of folding and unfolding take-off and landing device at the visual angle, right side of holding state.
Fig. 2 can the block diagram of folding and unfolding take-off and landing device at the visual angle, left side of holding state.
Fig. 3 can folding and unfolding take-off and landing device at a kind of block diagram of the lower-side angle of holding state.
Fig. 4 can folding and unfolding take-off and landing device at the another kind of block diagram of the lower-side angle of holding state.
Fig. 5 can the block diagram of folding and unfolding take-off and landing device at the visual angle, right side of collapsed state.
Fig. 6 can the block diagram of folding and unfolding take-off and landing device at the visual angle, left side of collapsed state.
Fig. 7 can folding and unfolding take-off and landing device at the block diagram of the lower-side angle of collapsed state.
Fig. 8 can folding and unfolding take-off and landing device at the right elevation of collapsed state.
In figure,
1, steering wheel; 2, base; 20, lug; 21, position-limited lever; 210, torque spring; 22, position-limited trough; 3, power cam; 4, fork is driven; 5, baffle ring; 6, the first rod member; 60, drive end; 61, interlock end; 7, bracing frame; 70, hold-down arm; 71, base arm; 8, permanent seat; 80, spacing bearing pin; 81, link span; 82, hollow tube; 820, boss; 9, the second rod member; 90, tension spring; 91, angular pole.
Detailed description of the invention
Below in conjunction with accompanying drawing, explanation is explained in detail to structure of the present invention.
As shown in Fig. 1,2,8, unmanned vehicle of the present invention can folding and unfolding take-off and landing device, comprise base 2, steering wheel 1, first rod member 6 with drive end 60 and interlock end 61, bracing frame 7 and permanent seat 8, base 2 internal fixtion of hollow has steering wheel 1, the drive end 60 of affixed first rod member 6 of the steering wheel output shaft through base 2 side, the interlock end 61 of the first rod member 6 is hinged with bracing frame 7, and bracing frame 7 is hinged with the middle part of permanent seat 8, and top and the base 2 of permanent seat 8 are hinged.Steering wheel 1 of the present invention, as propulsion source, drives the first rod member 6 to rotate, and the interlock end 61 of the first rod member 6 pulls bracing frame 7 to move, and the motion of bracing frame 7 provides power for the rotary motion of permanent seat 8.
As Fig. 1, 3, shown in 5, unmanned vehicle of the present invention can also comprise power cam 3 by folding and unfolding take-off and landing device, drive fork 4, baffle ring 5, steering wheel output shaft is successively through base 2, power cam 3, drive fork 4, the drive end 60 of the first rod member 6, power cam 3 are arranged on the inner side driving fork 4, the power cam 3 of the present embodiment, baffle ring 5 is all made of copper, power cam 3 has a projection, fork 4 is driven to have two protuberances, the interlock end 61 of the first rod member 6 has a protuberance, space between the protuberance of interlock end 61 and driving fork 4 two protuberances is adaptive, power cam 3, driving fork 4 are affixed with steering wheel output shaft respectively, and it is affixed that baffle ring 5 and steering wheel export the tip of the axis.
In order to make the folding and unfolding of permanent seat 8 more steadily, reliably, as shown in Fig. 2,3,4,6, unmanned vehicle of the present invention can also comprise relative to base 2 and symmetrically arranged second rod member 9 of the first rod member 6 by folding and unfolding take-off and landing device, the other end hinged support frame 7 of one end articulated base 2, second rod member 9 of the second rod member 9; Bracing frame 7 takes the shape of the letter U, and comprises two hold-down arms 70 and a base arm 71, the two ends of base arm 71 respectively hinged first rod member 6, second rod member 9, two hold-down arms 70 end respectively with permanent seat 8 in the middle part of two ends hinged.Permanent seat 8 comprises the hollow tube 82 of bottom and the link span 81 on top, and link span 81 is pancake, one end articulated base 2 of link span 81, the other end hinged support arm 70 of link span 81.
After permanent seat 8 is packed up, for stablizing the state that it is packed up, as shown in Fig. 3,5,6,7, unmanned vehicle of the present invention can also comprise position-limited lever 21, torque spring 210 by folding and unfolding take-off and landing device, position-limited lever 21 has the arc groove with the projection adaptation of power cam 3, one end and the base 2 of position-limited lever 21 are hinged; Be provided with torque spring 210 between position-limited lever 21 and base 2, one end of torque spring 210 be arranged in position-limited lever 21 elongate holes or in, in the elongate holes on the affixed base 2 of the other end of torque spring 210 or the groove of strip shape; The end of two hold-down arms 70 is hinged with the two ends in the middle part of permanent seat 8 by spacing bearing pin 80, and spacing bearing pin 80 is adaptive with the arc groove of position-limited lever 21; Also comprise tension spring 90, an angular pole 91 is stretched out in one end of the second rod member 9, and this angular pole 91 and the second rod member 9 are in acute angle, and the end of angular pole 91 has tapped bore, two ends affixed angular pole 91 end and the base 2 respectively of tension spring 90.
In the present embodiment, as shown in Figure 1, 2, the upper end of base 2 is provided with lug 20, and lug 20 is provided with fixed orifice, for being fixed on unmanned vehicle by folding and unfolding take-off and landing device; On hollow base 2 side arm, many places have lightening hole.
As shown in Fig. 1,2,8, hollow tube 82 is for installing the supporting leg of unmanned vehicle alighting gear, the protruding boss 820 of hollow tube 82, boss 820 has tapped bore, by the supporting leg of securing device through tapped bore and then installation, fixing unmanned vehicle alighting gear.
As Fig. 7,8 in addition, link span 81 has lightening hole.Lightening hole of the present invention can be through hole or groove, by lightening hole significantly alleviate whole can the weight of folding and unfolding take-off and landing device; Base 2 has under permanent seat 8 holding state to the first rod member 6 and the spacing position-limited trough 22 of the second rod member 9; The anglec of rotation of steering wheel 1 of the present invention is 0 ° to 180 °.
Unmanned vehicle of the present invention can the principle of work of folding and unfolding take-off and landing device as follows:
One, as Fig. 1, 2, 3, shown in 4, from holding state to collapsed state, after steering wheel 1 receives signal, steering wheel 1 rotates, the shift fork be fixed on steering wheel 1 drives the first rod member 6 around steering wheel output shaft rotation, the bearing pin of the second rod member 9 around one end of articulated base 2 rotates, first rod member 6 drives bracing frame 7 with base arm 71 for axle rotates, in bracing frame 7 moving process, drive permanent seat 8 with the hinged bearing pin of permanent seat 8 and base 2 for axle rotates, alighting gear is transformed into collapsed state from holding state, now the projection of power cam 3 snaps in one of them groove of position-limited lever 21, spacing bearing pin 80 snaps in the arc groove of position-limited lever 21, the stowed position of alighting gear is fixed,
Two, as shown in Fig. 5,6,7,8, from collapsed state to holding state, after steering wheel 1 receives signal, steering wheel 1 rotates, while the power cam 3 be fixed on steering wheel 1 outwards eject position-limited lever 21, torque spring 210 is compacted, spacing bearing pin 80 is deviate from from the arc groove of position-limited lever 21, remove spacing, the shift fork be fixed on steering wheel 1 rotates, drive the first rod member 6 rotation and the second rod member 9 to rotate, bracing frame 7 is downward jack-up permanent seat 8 gradually, in the position-limited trough 22 slipping into base 2 of final first rod member 6 and the second rod member 9.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all do in flesh and blood of the present invention any amendment, equivalent to replace and simple modifications etc., all should be included within protection scope of the present invention.
Claims (10)
1. unmanned vehicle can folding and unfolding take-off and landing device, it is characterized in that: comprise base (2), steering wheel (1), the first rod member (6), bracing frame (7) and permanent seat (8), the base internal fixtion of hollow has steering wheel, the drive end (60) of affixed first rod member of the steering wheel output shaft through base side, the interlock end (61) of the first rod member is hinged with bracing frame, the middle part of bracing frame and permanent seat is hinged, and top and the base of permanent seat are hinged.
2. unmanned vehicle according to claim 1 can folding and unfolding take-off and landing device, it is characterized in that: also comprise symmetrically arranged second rod member (9) with the first rod member, one end articulated base of the second rod member, the other end hinged support frame of the second rod member; Bracing frame takes the shape of the letter U, and comprises two hold-down arms (70) and a base arm (71), and the two ends of base arm are hinged first rod member, the second rod member respectively, the end of two hold-down arms respectively with permanent seat in the middle part of two ends hinged.
3. unmanned vehicle according to claim 2 can folding and unfolding take-off and landing device, it is characterized in that: permanent seat comprises the hollow tube (82) of bottom and the link span (81) on top, one end articulated base of link span, the end of the other end hinged support arm of link span.
4. the unmanned vehicle according to Claims 2 or 3 can folding and unfolding take-off and landing device, it is characterized in that: also comprise position-limited lever (21), torque spring (210), position-limited lever has arc groove, one end and the base of position-limited lever are hinged; Be provided with torque spring between position-limited lever and base, one end of torque spring is arranged in the elongate holes of position-limited lever, the affixed base of the other end of torque spring; The end of two hold-down arms is hinged with the two ends in the middle part of permanent seat by spacing bearing pin (80), and the arc groove of spacing bearing pin and position-limited lever is adaptive.
5. unmanned vehicle according to claim 4 can folding and unfolding take-off and landing device, it is characterized in that: also comprise tension spring (90), an angular pole (91) is stretched out in one end of second rod member, two ends affixed angular pole end and the base respectively of tension spring.
6. unmanned vehicle according to claim 1 can folding and unfolding take-off and landing device, it is characterized in that: also comprise power cam (3), drive fork (4), baffle ring (5), steering wheel output shaft is successively through the drive end of base, power cam, driving fork, the first rod member, power cam, driving fork are affixed with steering wheel output shaft respectively, and it is affixed that baffle ring and steering wheel export the tip of the axis.
7. unmanned vehicle according to claim 1 can folding and unfolding take-off and landing device, it is characterized in that: the upper end of base is provided with lug (20), and base has lightening hole.
8. unmanned vehicle according to claim 1 can folding and unfolding take-off and landing device, it is characterized in that: base is provided with position-limited trough (22).
9. unmanned vehicle according to claim 3 can folding and unfolding take-off and landing device, it is characterized in that: the protruding boss of hollow tube (820), boss has tapped bore.
10. unmanned vehicle according to claim 3 can folding and unfolding take-off and landing device, it is characterized in that: link span has lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196810.3A CN104760690A (en) | 2015-04-23 | 2015-04-23 | Retractable landing gear of unmanned aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196810.3A CN104760690A (en) | 2015-04-23 | 2015-04-23 | Retractable landing gear of unmanned aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104760690A true CN104760690A (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196810.3A Pending CN104760690A (en) | 2015-04-23 | 2015-04-23 | Retractable landing gear of unmanned aircraft |
Country Status (1)
| Country | Link |
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| CN (1) | CN104760690A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105947188A (en) * | 2016-06-13 | 2016-09-21 | 四川建筑职业技术学院 | Rapid collecting device for undercarriage of unmanned aerial vehicle |
| CN107235156A (en) * | 2017-06-26 | 2017-10-10 | 中国电建集团成都勘测设计研究院有限公司 | Can folding and unfolding and continuously adjust unmanned plane panoramic video collection camera mounting structure |
| CN107521676A (en) * | 2016-06-22 | 2017-12-29 | 北京臻迪机器人有限公司 | A kind of locking device of foot stool |
| CN108698706A (en) * | 2017-08-11 | 2018-10-23 | 深圳市大疆创新科技有限公司 | Rack components and unmanned plane |
| CN109305335A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | One kind being based on the retractable unmanned plane of mechanically operated undercarriage |
| WO2019140661A1 (en) * | 2018-01-19 | 2019-07-25 | 深圳市大疆创新科技有限公司 | Landing gear and unmanned aerial vehicle |
| CN112874759A (en) * | 2021-02-25 | 2021-06-01 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Portable unmanned aerial vehicle for power grid inspection |
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| CN102892672A (en) * | 2010-05-18 | 2013-01-23 | 梅西耶-布加蒂-道提公司 | Device for unlocking a landing gear in a deployed position and a landing gear comprising one such device |
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| CN103863559A (en) * | 2014-01-23 | 2014-06-18 | 深圳市大疆创新科技有限公司 | Aircraft and landing gear of aircraft |
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Patent Citations (5)
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| WO2010139756A1 (en) * | 2009-06-05 | 2010-12-09 | Messier-Dowty Sa | Method for operating a landing gear assembly with a breaker strut |
| CN102892672A (en) * | 2010-05-18 | 2013-01-23 | 梅西耶-布加蒂-道提公司 | Device for unlocking a landing gear in a deployed position and a landing gear comprising one such device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947188A (en) * | 2016-06-13 | 2016-09-21 | 四川建筑职业技术学院 | Rapid collecting device for undercarriage of unmanned aerial vehicle |
| CN107521676A (en) * | 2016-06-22 | 2017-12-29 | 北京臻迪机器人有限公司 | A kind of locking device of foot stool |
| CN107521676B (en) * | 2016-06-22 | 2021-11-30 | 北京臻迪机器人有限公司 | Locking device of foot rest |
| CN107235156A (en) * | 2017-06-26 | 2017-10-10 | 中国电建集团成都勘测设计研究院有限公司 | Can folding and unfolding and continuously adjust unmanned plane panoramic video collection camera mounting structure |
| CN107235156B (en) * | 2017-06-26 | 2023-07-25 | 中国电建集团成都勘测设计研究院有限公司 | Unmanned aerial vehicle panoramic video acquisition camera mounting structure capable of being retracted and continuously adjusted |
| CN108698706A (en) * | 2017-08-11 | 2018-10-23 | 深圳市大疆创新科技有限公司 | Rack components and unmanned plane |
| WO2019028871A1 (en) * | 2017-08-11 | 2019-02-14 | 深圳市大疆创新科技有限公司 | Frame assembly and unmanned aerial vehicle |
| CN108698706B (en) * | 2017-08-11 | 2021-10-22 | 深圳市大疆创新科技有限公司 | Frame subassembly and unmanned aerial vehicle |
| WO2019140661A1 (en) * | 2018-01-19 | 2019-07-25 | 深圳市大疆创新科技有限公司 | Landing gear and unmanned aerial vehicle |
| CN109305335A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | One kind being based on the retractable unmanned plane of mechanically operated undercarriage |
| CN112874759A (en) * | 2021-02-25 | 2021-06-01 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Portable unmanned aerial vehicle for power grid inspection |
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Application publication date: 20150708 |
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| RJ01 | Rejection of invention patent application after publication |