CN107856848A - Multi-buffer undercarriage unmanned plane - Google Patents
Multi-buffer undercarriage unmanned plane Download PDFInfo
- Publication number
- CN107856848A CN107856848A CN201711093786.6A CN201711093786A CN107856848A CN 107856848 A CN107856848 A CN 107856848A CN 201711093786 A CN201711093786 A CN 201711093786A CN 107856848 A CN107856848 A CN 107856848A
- Authority
- CN
- China
- Prior art keywords
- fuselage
- support bar
- unmanned plane
- support
- undercarriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of multi-buffer undercarriage unmanned plane, including fuselage, propeller and undercarriage, the undercarriage includes at least three support bars, the support bar is articulated with the side of the fuselage, the level height of the one end of the support bar away from the fuselage is higher than the level height of its other end, the one end of the support bar away from the fuselage is provided with support feet, the support feet is vertically arranged, the first elastic mechanism is provided between the side of the support bar and the fuselage, one end of first elastic mechanism is fixedly connected with the fuselage, its other end is fixedly connected with the lower surface of the support bar.There is the present invention multi-stage buffering structure unmanned plane landing opportunity can be avoided to experience damage.
Description
Technical field
The present invention relates to unmanned plane field, especially a kind of multi-buffer undercarriage unmanned plane.
Background technology
Unmanned plane is the not manned aircraft manipulated using radio robot and the presetting apparatus provided for oneself, civilian nothing
It is man-machine take photo by plane, there is more important application in agricultural, plant protection, the field such as the disaster relief；Unmanned plane needs to be subtracted in takeoff and landing
To protect fuselage, the undercarriage used at present is mostly fixed landing gear for shake, when unmanned plane lands undercarriage can by undercarriage with
Vibration caused by the contact of ground passes to fuselage, causes concussion, the damage of fuselage.
The content of the invention
Based on this, it is necessary to provide a kind of multi-buffer undercarriage unmanned plane, including fuselage, propeller and undercarriage, institute
Stating undercarriage includes at least three support bars, and the support bar is articulated with the side of the fuselage, and the support bar is away from described
The level height of one end of fuselage is higher than the level height of its other end, and the one end of the support bar away from the fuselage is provided with
Support feet, the support feet are vertically arranged, and the first elastic mechanism, institute are provided between the side of the support bar and the fuselage
The one end for stating the first elastic mechanism is fixedly connected with the fuselage, and its other end is fixedly connected with the lower surface of the support bar.
A buffer stopper is provided with below the fuselage, the buffer stopper includes a spring and a metallic plate, the metallic plate and the machine
Body is pivotally connected, and the fuselage is fixed in one end of the spring, and the other end of the spring is fixed on the plate face of the metallic plate.
When unmanned plane lands, support feet first contacts with ground, and then support feet can drive the support bar pendulum for being articulated with fuselage
Dynamic, because the limitation of the first elastic mechanism, support bar can only be swung within the specific limits, therefore fuselage will not touch ground,
And lead to the damping effect of articulated structure and spring, the vibration of fuselage can be mitigated.Because the one end of support bar away from the fuselage
Level height be higher than the level height of its other end, the level height compared to the one end of support bar away from the fuselage is less than
The level height of its other end, during landing, support bar is that direction is pullling away from fuselage to the active force of the fuselage of unmanned plane
Power, to fuselage when the level height compared to the one end of support bar away from the fuselage is landed less than the level height of its other end
Caused extruding force, support bar can be avoided to extrude the damage for causing unmanned plane internal structure inwardly.
Preferably, the support feet is spring leaf.
As the part directly contacted with opposite, support feet faces the impact of fuselage by bending with directly reducing.
Preferably, side of the support feet away from the support bar is provided with sharp portion.
Sharp support feet is inserted into ground, compared to the support feet that will not insert ground, this hair in landing
Bright support feet can be inserted directly into ground, and reaction force of the ground in face of the direction straight up of support feet reduces, accordingly
The vibration of support feet can be reduced；Meanwhile the diameter of sharp parts is smaller, compared to the other parts of support feet, sharp parts are more
It is soft so that buffering effect is more preferable.
Further, in addition to the second elastic mechanism, one end of the elastic mechanism are fixedly installed on the support bar
Lower surface, its other end are arranged at the lower surface of the support feet.
Booster action can be played to support feet by being connected to the second elastic mechanism between support bar and support feet, avoid because
The impulsive force excessive deformation for causing support feet when landing for unmanned plane so that support feet loses cushioning effect；Meanwhile second is elastic
While as reinforcing mechanisms itself elastic deformation can also occur for mechanism, play a part of buffering.
Further, second elastic mechanism is spring leaf.
Spring leaf can play good supporting role flexible while.
Preferably, first elastic mechanism is spring.
Spring has good compression stretching performance, it is possible to reduce support bar pullling for unmanned plane when unmanned plane lands
With extruding.
Preferably, the quantity of the support bar is at least four.
Three support bars can ensure the balance of unmanned plane land rear body, set four support bars to prevent wherein one
It can still keep balancing after individual support bar is damaged, during unmanned plane land.
Principle, the effect of the present invention are further illustrated with reference to above-mentioned technical proposal：
By the present invention in that with from support feet to support bar, the multi-stage buffering structure from support bar to fuselage, when unmanned plane lands,
Can reduce undercarriage contacted with ground caused by vibration be transferred to fuselage, protect fuselage；Simultaneously sharp support feet is being landed
When, it is inserted into ground, compared to the support feet that will not insert ground, support feet of the invention can be inserted directly into ground
In, active force of the ground in face of the direction straight up of support feet reduces, and can reduce the vibration of support feet accordingly.
Brief description of the drawings
Fig. 1 is the structural representation one of multi-buffer undercarriage unmanned plane described in the embodiment of the present invention.
Description of reference numerals：
Fuselage 1, the first elastic mechanism 11, undercarriage 2, support bar 21, support feet 22, the second elastic mechanism 23, propeller 3.
Embodiment
For the ease of it will be appreciated by those skilled in the art that being done below in conjunction with accompanying drawing and embodiment to the present invention further in detail
Thin description：
Such as Fig. 1, a kind of multi-buffer undercarriage unmanned plane, including fuselage 1, propeller 3 and undercarriage 2, the undercarriage 2 include
At least three support bars 21, the support bar 21 are articulated with the side of the fuselage 1, and the support bar 21 is away from the fuselage 1
One end level height be higher than its other end level height, the one end of the support bar 21 away from the fuselage 1 is provided with
Support feet 22, the support feet 22 are vertically arranged, and the first elasticity is provided between the side of the support bar 21 and the fuselage 1
Mechanism 11, one end of first elastic mechanism 11 are fixedly connected with the fuselage 1, under its other end and the support bar 21
Surface is fixedly connected.
A buffer stopper is provided with below the fuselage, the buffer stopper includes a spring and a metallic plate, the metallic plate
It is pivotally connected with the fuselage, the fuselage is fixed in one end of the spring, and the other end of the spring is fixed on the metallic plate
Plate face.
When unmanned plane lands, support feet 22 first contacts with ground, and then support feet 22 can drive the support for being articulated with fuselage 1
Bar 21 is swung, because the limitation of the first elastic mechanism 11, support bar 21 can only be swung within the specific limits, therefore fuselage 1 will not
Ground is touched, and leads to the damping effect of articulated structure and spring, the vibration of fuselage 1 can be mitigated.
One of which embodiment, the support feet 22 are spring leaf.
As the part directly contacted with opposite, support feet 22 faces the impact of fuselage 1 by bending with directly reducing.
One of which embodiment, side of the support feet 22 away from the support bar 21 are provided with sharp portion.
Sharp support feet 22 is inserted into ground in landing, compared to the support feet 22 that will not insert ground,
The support feet 22 of the present invention can be inserted directly into ground, and reaction force of the ground in face of the direction straight up of support feet 22 subtracts
It is small, the vibration of support feet 22 can be reduced accordingly；Meanwhile the diameter of sharp parts is smaller, compared to other portions of support feet 22
Point, sharp parts are more soft so that buffering effect is more preferable.
One of which embodiment, in addition to the second elastic mechanism 23, one end of the elastic mechanism are fixedly installed on described
The lower surface of support bar 21, its other end are arranged at the lower surface of the support feet 22.
Reinforcement work can be played to support feet 22 by being connected to the second elastic mechanism 23 between support bar 21 and support feet 22
With the impulsive force excessive deformation for causing support feet 22 when avoiding landing because of unmanned plane so that support feet 22 loses cushioning effect；
Meanwhile second elastic mechanism 23 itself elastic deformation can also occur while as reinforcing mechanisms, play a part of buffering.
One of which embodiment, second elastic mechanism 23 are spring leaf.
Spring leaf can play good supporting role flexible while.
One of which embodiment, first elastic mechanism 11 are spring.
Spring has good compression stretching performance, it is possible to reduce drawing of the support bar 21 for unmanned plane when unmanned plane lands
Pull with extruding.
One of which embodiment, the quantity of the support bar 21 are at least four.
Three support bars 21 can ensure the balance of unmanned plane land rear body 1, set four support bars 21 to prevent
It can still keep balancing after one of support bar 21 is damaged, during unmanned plane land.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
- A kind of 1. multi-buffer undercarriage unmanned plane, it is characterised in that including：One fuselage；One propeller, the propeller are fixedly arranged on the fuselage upper surface；One undercarriage, the undercarriage include at least three support bars, and the support bar is articulated with the side of the fuselage, described The level height of the one end of support bar away from the fuselage is higher than the level height of its other end, and the support bar is away from the machine One end of body is provided with support feet, is provided with the first elastic mechanism between the support bar and the side of the fuselage, and described One end of one elastic mechanism is fixedly connected with the fuselage, and its other end is fixedly connected with the lower surface of the support bar, described A buffer stopper is provided with below fuselage, the buffer stopper includes a spring and a metallic plate, the metallic plate and the fuselage pivot Connect, the fuselage is fixed in one end of the spring, and the other end of the spring is fixed on the plate face of the metallic plate.
- 2. multi-buffer undercarriage unmanned plane according to claim 1, it is characterised in that the support feet is spring leaf.
- 3. multi-buffer undercarriage unmanned plane according to claim 1, it is characterised in that the support feet is away from the branch The side of strut is provided with sharp portion.
- 4. the multi-buffer undercarriage unmanned plane according to claim 1-3 any one, it is characterised in that also including second Elastic mechanism, one end of the elastic mechanism are fixedly installed on the lower surface of the support bar, and its other end is arranged at the branch The lower surface of spike.
- 5. multi-buffer undercarriage unmanned plane according to claim 4, it is characterised in that second elastic mechanism is Spring leaf.
- 6. multi-buffer undercarriage unmanned plane according to claim 1, it is characterised in that first elastic mechanism is Spring.
- 7. multi-buffer undercarriage unmanned plane according to claim 1, it is characterised in that, the quantity of the support bar is extremely It is four less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093786.6A CN107856848A (en) | 2017-11-08 | 2017-11-08 | Multi-buffer undercarriage unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093786.6A CN107856848A (en) | 2017-11-08 | 2017-11-08 | Multi-buffer undercarriage unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107856848A true CN107856848A (en) | 2018-03-30 |
Family
ID=61699971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093786.6A Pending CN107856848A (en) | 2017-11-08 | 2017-11-08 | Multi-buffer undercarriage unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107856848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080170A1 (en) * | 2017-10-27 | 2019-05-02 | 罗伟 | Unmanned aerial vehicle having multi-buffering landing gear |
-
2017
- 2017-11-08 CN CN201711093786.6A patent/CN107856848A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080170A1 (en) * | 2017-10-27 | 2019-05-02 | 罗伟 | Unmanned aerial vehicle having multi-buffering landing gear |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180330 |