CN207550493U - Unmanned plane and its undercarriage - Google Patents
Unmanned plane and its undercarriage Download PDFInfo
- Publication number
- CN207550493U CN207550493U CN201720954625.0U CN201720954625U CN207550493U CN 207550493 U CN207550493 U CN 207550493U CN 201720954625 U CN201720954625 U CN 201720954625U CN 207550493 U CN207550493 U CN 207550493U
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- leg
- rear support
- undercarriage
- unmanned plane
- support portion
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- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 210000001364 upper extremity Anatomy 0.000 claims description 47
- 230000007306 turnover Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Vibration Dampers (AREA)
Abstract
The utility model provides a kind of unmanned plane and its undercarriage, wherein, unmanned plane undercarriage includes supporting leg, the supporting leg includes carbon fiber layer (1320) and filled layer (135), the carbon fiber layer (1320) has hollow cavity, and the filled layer (135) is filled in the cavity of the carbon fiber layer (1320).The structural strength that unmanned plane undercarriage in the prior art can be solved using the technical program is weak, the technical issues of not impact resistance, and the supporting leg of application the technical program carries out being assembled to form unmanned plane undercarriage, during use is met except necessary high intensity requirement, it also is able to mitigate to the maximum extent the overall weight of unmanned plane, reaches light weight effect.
Description
Technical field
The utility model belongs to unmanned plane equipment technical field, is to be related to a kind of unmanned plane and its rise and fall more specifically
Frame.
Background technology
In recent years, unmanned plane during flying device is because having the advantages that it is low that maneuverability, rapid reaction, unmanned flight, operation require,
Its application in multiple fields is caused, is grown rapidly.
Unmanned plane undercarriage is mounted on the organism bottom position of unmanned plane to support body upwards, is that can ensure unmanned plane
Safe landing and the important component for stability of taking off.The undercarriage of the unmanned plane configuration of the prior art, although can be to unmanned plane
Body formed and support and unmanned plane completion can be supported to take off or landing of land, but unmanned plane of the prior art
The structural strength for falling frame is weak, not impact resistance.Since unmanned plane is during landing of landing, in the function influence of body inertia
Under, undercarriage bears larger impact force, and the junction between undercarriage and unmanned plane body is often applied stress collection
In region, which is easy to be broken when bearing the impact to overload when landing and landing.Since undercarriage breaks
The position split is close from unmanned plane body, this is larger to the body damaged condition of unmanned plane.
In the prior art, unmanned plane rises and falls to meet enough intensity requirements, thus often uses solid and be
The material of high-density high-strength is manufactured, although meeting requirement of the unmanned plane undercarriage for mechanical strength, causes nothing
The weight of man-machine undercarriage in itself is larger, causes unmanned plane integrally heavier, cause user to the operation of unmanned plane not
It is convenient.
Utility model content
The purpose of this utility model is to provide a kind of unmanned plane and its undercarriage, to solve nothing in the prior art
The structural strength of man-machine undercarriage is weak, not impact resistance, and the weight of undercarriage leads to greatly the whole more bulky technology of unmanned plane
Problem.
To achieve the above object, the technical solution adopted in the utility model is：A kind of unmanned plane undercarriage, unmanned plane are provided
Undercarriage includes supporting leg, and supporting leg includes carbon fiber layer and filled layer, and carbon fiber layer has hollow cavity, filled layer filling
In in the cavity of carbon fiber layer.
Further, filled layer is Polymethacrylimide or polyurethanes.
Further, supporting leg includes rear support leg, wherein, rear support leg includes rear support portion, and rear support portion has opposite
First end and second end, the first end in rear support portion is used to be connected to the rear end of the fuselage of unmanned plane, the second of rear support portion
End is used to support in supporting surface, and the cross sectional shape in rear support portion is triangle, and rear support portion has cavity.
Further, rear support leg further includes rear support leg rebate, and rear support leg rebate is connected to the second end in rear support portion,
And the junction between rear support leg rebate and rear support portion, which is formed, turns round turnover and forms turn angle, rear support leg detour
The one end in the separate rear support portion in portion is used to support in supporting surface.
Further, supporting leg has further included front leg strut, and the first end of front leg strut is used to be connected to the fuselage of unmanned plane
Front end, the second end of front leg strut are used to support in supporting surface, and the opening of turn angle is towards front leg strut.
Further, rear support leg further includes horizontal-extending rear grounding parts, and rear grounding parts are connected to rear support leg rebate
One end far from rear support portion, rear grounding parts are used to support in supporting surface.
Further, unmanned plane undercarriage further includes connection leg, and one end of connection leg is removably attachable to front leg strut, even
Connect one end that leg is removably attachable to the separate rear support leg rebate of rear grounding parts.
Further, the cross-section profile shape of supporting leg is triangular in shape or rectangle frame-shaped in scarce a line.
Further, the outer shape of supporting leg is in a tubular form or sheet.
According to the another aspect of the technical program, a kind of unmanned plane is provided.The unmanned plane includes body and is connected to machine
To support the undercarriage of body, which is aforementioned unmanned plane undercarriage for the bottom of body.
The supporting leg of the unmanned plane of the technical program is made of carbon fibre material, and institute is necessary during use is met
High intensity requirement except, additionally it is possible to mitigate the overall weight of unmanned plane to the maximum extent, reach light weight effect, and should
During supporting leg being manufactured with Shooting Technique, by being manufactured into the carbon fiber layer of supporting leg with hollow cavity,
So as to further realize light-weight design, and by being filled into filled layer in hollow cavity, so as to in injection moulding process
Carbon fiber layer realizes support, and carrying out cooling and shaping process after the completion of injection to avoid carbon fiber layer asking for collapse-deformation occurs
Topic.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure intention that the unmanned plane undercarriage of the utility model is mounted on the installation condition on unmanned plane ontology；
Fig. 2 is the structure diagram of the front leg strut of the unmanned plane undercarriage of the utility model embodiment；
Fig. 3 is the structure of the rear support leg without heat engine undercarriage of the utility model embodiment；
Fig. 4 is the schematic cross-sectional view at A-A in Fig. 3；
Fig. 5 is the whole separation structure schematic diagram of the inorganic undercarriage of the utility model；
Fig. 6 is the structure diagram after being completed of unmanned plane undercarriage of the utility model；
Decomposition texture schematic diagrams of the Fig. 7 for fastening assembly in the unmanned plane undercarriage of the utility model embodiment.
Wherein, each reference numeral in figure：
11st, front leg strut；111st, first connecting portion；
112nd, front support；113rd, front leg strut rebate；
114th, preceding grounding parts；115th, rib；
1110th, the first connecting hole；1140th, the second connecting hole；
12nd, connection leg；121st, preceding connecting hole；
122nd, rear connecting hole；13rd, rear support leg；
131st, second connecting portion；132nd, rear support portion；
133rd, rear support leg rebate；134th, rear grounding parts；
135th, filled layer；1310th, third connecting hole；
1340th, the 4th connecting hole；2nd, buffer shock-absorbing part；
3rd, fastening assembly；31st, bolt is connected；
32nd, attaching nut part；1320th, carbon fiber layer.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom ", " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention,
More than, unless otherwise specifically defined.
As shown in Figure 1 and Figure 4, the unmanned plane undercarriage of the present embodiment includes supporting leg, and supporting leg includes carbon fiber layer
1320 and filled layer 135, carbon fiber layer 1320 has hollow cavity, and filled layer 135 is filled in the cavity of carbon fiber layer 1320
It is interior.
The supporting leg of unmanned plane is made of carbon fibre material, the necessary high intensity requirement during use is met
Except, additionally it is possible to mitigate the overall weight of unmanned plane to the maximum extent, reach light weight effect, and in the Shooting Technique system of application
During causing type supporting leg, by being manufactured into the carbon fiber layer 1320 of each supporting leg with hollow cavity, so as to
Light-weight design is further realized, and by being filled into filled layer 135 in hollow cavity, so as to the carbon in injection moulding process
Fibrous layer 1320 realizes support, and carrying out cooling and shaping process after the completion of injection to avoid carbon fiber layer 1320 collapse-deformation occurs
The problem of.
Specifically, the filled layer 135 of the technical program may be used Polymethacrylimide material (i.e. PMI materials) into
Row fills or polyurethane material (i.e. PU materials) may be used and is filled, and can also meet note using others
Modeling requires and light-weighted material is filled molding.
In the present embodiment, as shown in figure 3, including rear support leg 13 in supporting leg in unmanned plane undercarriage, such as Fig. 4 institutes
Show, the design structure for illustrating supporting leg in the present embodiment by taking the rear support portion 132 of rear support leg 13 as an example is to include carbon fiber layer
1320 and the design form of filled layer 135.Wherein, rear support leg 13 includes rear support portion 132 and rear support leg rebate 133, rear to prop up
Support part 132 has opposite first end and second end, and the first end in rear support portion 132 is used for after being connected to the fuselage of unmanned plane
End, the second end in rear support portion 132 are used to support in supporting surface, and rear support leg rebate 133 is connected to the second of rear support portion 132
End, and the junction between rear support leg rebate 133 and rear support portion 132 forms and turns round turnover and form turn angle,
The one end in the separate rear support portion 132 of rear support leg rebate 133 is used to support in supporting surface, the cross sectional shape in rear support portion 132
For triangle, rear support portion 132 has cavity.In the unmanned plane undercarriage, rear support leg 13 passes through rear support portion 132 and rear branch
The turn turnover formed between leg rebate 133 so that rear support leg 13 is during by impact force action, rear support leg detour
Corresponding Bending Deformation can be generated between portion 133 and rear support portion 132, so as to which the impact energy for forming impact force is converted to
Bending Deformation potential energy is cut down, and impact force is avoided to be transmitted to unmanned aerial vehicle body direction and precise electronic component is caused to damage.For
Can when absorbing impact power effect fast reaction and form Bending Deformation potential energy, therefore, the rear support leg 13 of the present embodiment
Rear support portion 132, rear support leg rebate 133 along by unmanned aerial vehicle body be directed toward supporting surface direction along setting is gradually reduced, this
Sample, even if the impact force born has exceeded the impact upper limit that 13 self-strength of rear support leg can be born, rear support leg rebate
133 can also be broken due to generated Bending Deformation is more than deformation limit at the first time, so as to protect on unmanned aerial vehicle body
Precise electronic component is influenced from impact force.
As shown in Fig. 2, the supporting leg of the present embodiment has further included front leg strut 11, the first end of front leg strut 11 is used to be connected to
The front end of the fuselage of unmanned plane, the second end of front leg strut 11 are used to support in supporting surface, and the opening of turn angle is towards front leg strut
11.Specifically, front leg strut 11 includes the first connecting portion 111 being sequentially arranged, front support 112, front leg strut rebate 113 and preceding
Grounding parts 114, first connecting portion 111 is horizontal-extending and first connecting portion 111 is bolted to connection in unmanned plane body
On bottom, as shown in Fig. 2, front leg strut 11 is fastened by the first connecting hole 1110 opened up in first connecting portion 111 using screw
It is connected on the bottom of unmanned aerial vehicle body, and first connecting portion 111 is contacted with the bottom surface of unmanned aerial vehicle body for horizontal plane
Mode connects.Front support 112 connect with front leg strut rebate 113 and turnover of turning round is also formed in the junction of the two,
And the turn transfers formed turn angle towards rear support leg 13, and preceding grounding parts 114 are horizontal-extending and are used to support in branch
On support face.
During unmanned plane realizes normal takeoff operational and landing operation, particularly in descent, unmanned plane is landing
Instantaneous face undercarriage recoil with receiving to ground is hit, and is passed if cannot effectively cut down impact force to unmanned aerial vehicle body
It passs, the close spare and accessory parts installed on unmanned aerial vehicle body will be damaged.The front leg strut 11 of the unmanned plane undercarriage uses
It is formed to turn round between front support 112 and front leg strut rebate 113 and transfers and cause front leg strut 11 that there is good elasticity capacity
It is hit with resistance to, the anti-force on ground can be converted into the elastic potential energy of front leg strut 11, and preceding grounding parts 114 can fit
Ground shape is answered smoothly to contact, rear support leg 13 equally has elastic deformability and be resistant to punching using rebate design form
It hits, i.e., rear support leg 13 is transferred by the rearwardly projecting turn formed between rear support portion 132 and rear support leg rebate 133 with reality
The elastic deformation ability of existing rear support leg 13, rear grounding parts 134 also can adapt to ground shape and smoothly contact, and be propped up after utilizing
Support part 132 enhances the overall mechanical strength of rear support leg 13 for the design form of the cylinder of hollow cavity.In this way, unmanned plane was landing
Suffered anti-force is effectively cut down in journey, while also disclosure satisfy that unmanned plane use in the process to the intensity of undercarriage
It is required that.
In the present embodiment, rib 115 is additionally provided on front leg strut 11, on front leg strut 11, rib 115 is arranged on
On front support 112, and rib 115 extends along the both ends of front support 112, and one end extends to part front leg strut rebate
On 113, one end is extended in part first connecting portion 111, so so that the mechanical strength of front leg strut 11 is effectively enhanced.
During practical operation unmanned plane lands, due in first connecting portion 111, front support 112 and front leg strut rebate 113
Enhancing Mechanical Strength Design is carried out by rib 115, then drops to when instantaneously receiving the anti-force of ground effects of ground,
In the supporting role of front leg strut 11, impact forces concentrate the portion 115 that do not strengthened for acting on front leg strut rebate 113
The part strengthened.Thus, it has been more than the elasticity that front leg strut 11 can be born when suffered anti-force is instantaneously excessive
Deformation, front leg strut 11 can be broken at this time, and be broken position then can by reasonable design not having in front leg strut rebate 113
There is the part that the portion of being strengthened 115 is strengthened, so that fracture position is farthest apart from the position of unmanned aerial vehicle body, to nobody
Damaged condition caused by machine is minimum.
Since each supporting leg of unmanned plane undercarriage is the lateral direction inclination along unmanned plane after installation is fixed
Setting, in order to meet the beautyization design of the Mechanical Strength Design of front leg strut 11 and front leg strut 11 simultaneously, as shown in Fig. 2, plus
Strong portion 115 is arranged on first connecting portion 111, front support 112 and the outside of front leg strut rebate 113 and forms bound edge.In this way,
While realizing enhancing mechanical strength, the design form of side bound edge can make the appearance of front leg strut 11 seem full thick and heavy, be promoted
The external texture of unmanned plane undercarriage.
As shown in figure 3, the rear support leg 13 of the present embodiment further includes horizontal-extending rear grounding parts 134, rear grounding parts 134 connect
The one end in the separate rear support portion 132 of rear support leg rebate 133 is connected to, rear grounding parts 134 are used to support in supporting surface.It is practical
On, the rear support leg 13 of the present embodiment includes the second connecting portion 131, rear support portion 132, the rear support leg rebate 133 that are sequentially arranged
With rear grounding parts 134, second connecting portion 131 vertically extends, and second connecting portion 131 is connected to the rear end of unmanned plane body
On side, rear support portion 132 forms rearwardly projecting turn round with rear support leg rebate 133 and transfers, rear 134 forward horizontal of grounding parts
Extension.
As shown in Figures 5 to 7, which further includes buffer shock-absorbing part 2, the preceding grounding parts 114 of front leg strut 11
It is upper that buffer shock-absorbing part 2 is connected with by fastening assembly 3, buffer shock-absorbing part 2 is connected with by fastening assembly 3 on rear grounding parts 134,
In this way, in unmanned plane descent, abatement impact force can be further realized by buffer shock-absorbing part 2, reduce impact force to
It is transmitted in unmanned aerial vehicle body direction.The perforation spliced eye of grafting grounding parts is opened up on buffer shock-absorbing part 2, is in addition opening up use
In the receiving hole for accommodating connection bolt 31.By 2 assembly connection of buffer shock-absorbing part during the grounding parts of corresponding supporting leg,
Such as before buffer shock-absorbing part 2 is connected on grounding parts 114, preceding grounding parts 114 are inserted into perforation spliced eye by assembly work personnel
In, and the second connecting hole 1140 of grounding parts 114 before being opened in is oppositely arranged, then attaching nut part 32 is placed with receiving hole
In the lower section of preceding grounding parts 114, cooperation spiral shell is connected to after connection bolt 31 then is passed through receiving hole and the second connecting hole 1140
On parent part 32, preceding grounding parts 114 compression is locked to connect fixation by the hole wall of perforation spliced eye by attaching nut part 32.Together
Sample, it is connected on locking nut 32 using connecting after bolt 31 passes through receiving hole and the 4th connecting hole 1340, by coordinating spiral shell
Rear grounding parts 134 compression is locked at the hole wall of perforation spliced eye and connects fixation by parent part 32.
During unmanned plane lands, when unmanned plane undercarriage is by instantaneous, the nothing of the downward impact of unmanned aerial vehicle body
The supporting leg of man-machine undercarriage can extend out deformation, when extend out deflection it is excessive when, then will lead to the first of front leg strut 11
It is acted at the link position of connecting portion 111 and at the link position of the second connecting portion of rear support leg 13 131 by concentrated stress,
First connecting portion 111 is so just caused to also belong to easy fracture position with second connecting portion 131.In order to avoid unmanned plane undercarriage by
It is broken at first connecting portion 111 and second connecting portion 131 during impact, therefore, unmanned plane undercarriage further includes connection leg
12, the first end of connection leg 12 is connect with the buffer shock-absorbing part 2 on preceding grounding parts 114, the second end of connection leg 12 and rear ground connection
Buffer shock-absorbing part 2 in portion 134 connects.As shown in Figure 5 and Figure 6, the connecting hole 121 before the front end of connection leg 12 is provided with,
Rear end is provided with rear connecting hole 122.It, will be even during the buffer shock-absorbing part 2 of assembly connection front leg strut 11 and connection leg 12
The front end for connecing leg 12 is inserted into the perforation spliced eye of buffer shock-absorbing part 2, and the front end of connection leg 12 and preceding grounding parts 114
Stacked, the second connecting hole 1140 and preceding 121 face of connecting hole, attaching nut part 32 is located at the front end of connection leg 12 and perforation is inserted
Between connecing the hole wall in hole, connection bolt 31 is then connected into attaching nut part 32, attaching nut part 32 is by preceding grounding parts 114 and even
The front end for connecing leg 12 is pressed on the hole wall of perforation spliced eye.Similarly, it is propped up after the rear end of connection leg 12 is connected to
During on the buffer shock-absorbing part 2 of leg 13, the rear end of connection leg 12 is inserted into the perforation spliced eye of buffer shock-absorbing part 2,
And the rear end of connection leg 12 is stacked with rear grounding parts 134, and the 4th connecting hole 1340 and rear 122 face of connecting hole coordinate spiral shell
Parent part 32 is located at the rear end of connection leg 12 and penetrates through between the hole wall of spliced eye, and connection bolt 31 then is connected attaching nut
The rear end of rear grounding parts 134 and connection leg 12 is pressed on the hole wall of perforation spliced eye by part 32, attaching nut part 32, assembling
Unmanned plane undercarriage after the completion is referring to shown in Fig. 5 and Fig. 6.During landing, by connection leg 12 to front leg strut 11 with
It is drawn between rear support leg 13, extends out trend so as to eliminate front leg strut 11 and rear support leg 13, it is ensured that the of front leg strut 11
The second connecting portion 131 of one connecting portion 111 and rear support leg 13 will not become fracture position.
During unmanned plane realizes normal takeoff operational and landing operation, particularly in descent, unmanned plane is dropping
The instantaneous recoil that undercarriage is faced by ground fallen to the ground is hit, and is passed if cannot effectively cut down impact force to unmanned aerial vehicle body
It passs, the close spare and accessory parts installed on unmanned aerial vehicle body will be damaged.The supporting leg of the unmanned plane undercarriage, such as preceding branch
Leg 11 causes front leg strut 11 with good using turn turnover is formed between front support 112 and front leg strut rebate 113
Elasticity capacity is hit with resistance to, and the anti-force on ground can be converted into the elastic potential energy of front leg strut 11, and preceding grounding parts
114, which can adapt to ground shape, smoothly contacts.
In the embodiment of the technical program, the cross-section profile shape of supporting leg is triangular in shape or the section of supporting leg
Contour shape is in the rectangle frame-shaped for lacking a line；Or the outer shape of supporting leg is in a tubular form；Or shape outside supporting leg
Shape designs in the form of sheets.
According to the another aspect of the technical program, a kind of unmanned plane is provided.The unmanned plane includes body and is connected to machine
The bottom of body is to support the undercarriage of body, and particularly, which is aforementioned unmanned plane undercarriage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of undercarriage, which is characterized in that the undercarriage includes supporting leg, and the supporting leg includes carbon fiber layer (1320)
With filled layer (135), the carbon fiber layer (1320) has hollow cavity, and it is fine that the filled layer (135) is filled in the carbon
In the cavity for tieing up layer (1320), the cross-section profile shape of the supporting leg is triangular in shape or rectangle frame-shaped in scarce a line.
2. undercarriage as described in claim 1, which is characterized in that the filled layer (135) for Polymethacrylimide or
Polyurethanes.
3. undercarriage as claimed in claim 1 or 2, which is characterized in that the supporting leg includes rear support leg (13), wherein, institute
It states rear support leg (13) and includes rear support portion (132), the rear support portion (132) has opposite first end and second end, described
The first end in rear support portion (132) is used to be connected to the rear end of the fuselage of unmanned plane, and the second end of the rear support portion (132) is used
In being supported in supporting surface, the cross sectional shape of the rear support portion (132) is triangle, and the rear support portion (132) has described
Cavity.
4. undercarriage as claimed in claim 3, which is characterized in that the rear support leg (13) further includes rear support leg rebate (133),
The rear support leg rebate (133) is connected to the second end of the rear support portion (132), and the rear support leg rebate
(133) junction between the rear support portion (132), which is formed, turns round turnover and forms turn angle, and the rear support leg is circuitous
The one end far from the rear support portion (132) for going back to portion (133) is used to support in the supporting surface.
5. undercarriage as claimed in claim 4, which is characterized in that the supporting leg has further included front leg strut (11), before described
The first end of supporting leg (11) is used to be connected to the front end of the fuselage of the unmanned plane, and the second end of the front leg strut (11) is for branch
It supports in the supporting surface, the opening of the turn angle is towards the front leg strut (11).
6. undercarriage as claimed in claim 5, which is characterized in that the rear support leg (13) further includes horizontal-extending rear ground connection
Portion (134), the rear grounding parts (134) are connected to the separate rear support portion (132) of the rear support leg rebate (133)
One end, the rear grounding parts (134) are used to support in the supporting surface.
7. undercarriage as claimed in claim 6, which is characterized in that the supporting leg further includes connection leg (12), the connection
One end of leg (12) is removably attachable to the front leg strut (11), and the connection leg (12) is removably attachable to described be followed by
The one end far from the rear support leg (13) rebate in ground portion (134).
8. undercarriage as claimed in claim 1 or 2, which is characterized in that the outer shape of the supporting leg is in a tubular form or piece
Shape.
9. a kind of unmanned plane, including body and the bottom of the body is connected to support the undercarriage of the body, feature
It is, the undercarriage is undercarriage described in any item of the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954625.0U CN207550493U (en) | 2017-08-01 | 2017-08-01 | Unmanned plane and its undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954625.0U CN207550493U (en) | 2017-08-01 | 2017-08-01 | Unmanned plane and its undercarriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207550493U true CN207550493U (en) | 2018-06-29 |
Family
ID=62673026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720954625.0U Active CN207550493U (en) | 2017-08-01 | 2017-08-01 | Unmanned plane and its undercarriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207550493U (en) |
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2017
- 2017-08-01 CN CN201720954625.0U patent/CN207550493U/en active Active
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Address after: 510000 Block C, 115 Gaopu Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: XAG Co., Ltd. Address before: 510000, Guangdong, Guangzhou, Gaotang Tianhe District Software Park Road, No. 1, 3A01 Patentee before: Guangzhou Xaircraft Technology Co.,Ltd. |
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