CN108974335A - A kind of shock-damping structure of unmanned plane - Google Patents
A kind of shock-damping structure of unmanned plane Download PDFInfo
- Publication number
- CN108974335A CN108974335A CN201810867862.2A CN201810867862A CN108974335A CN 108974335 A CN108974335 A CN 108974335A CN 201810867862 A CN201810867862 A CN 201810867862A CN 108974335 A CN108974335 A CN 108974335A
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- China
- Prior art keywords
- sleeve
- unmanned plane
- support shaft
- shock
- wheel
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to air vehicle technique field, in particular to a kind of shock-damping structure of unmanned plane, the bottom end of sleeve is in seal shape；The inner cavity setting of sleeve has elastic component；The axle body of support shaft and the inner hole of sleeve match；Support shaft is mutually fixedly connected after being inserted into sleeve with elastic element one end；The elastic element other end is fixed on the seal face of sleeve；Several absorption systems are evenly equipped on the side wall of sleeve；Absorption systems are circumferentially distributed on sleeve；Absorption systems are used to absorb the kinetic energy of support shaft.In using the present invention, support shaft can be made using absorption systems rapidly relative sleeve is static, prevented the reciprocating motion of unmanned plane in descent on the ground for a long time, protect body part to the utmost, improve the service life of unmanned plane.
Description
Technical field
The present invention relates to air vehicle technique field, in particular to a kind of shock-damping structure of unmanned plane.
Background technique
Unmanned plane is using the not manned aircraft of radio robot and the presetting apparatus provided for oneself manipulation, is nobody
The general designation for driving aircraft, is applied to military field earliest.With the development and popularization of unmanned air vehicle technique, unmanned plane is wide
It is general be applied to take photo by plane, agricultural, forestry, the fields such as mapping.It is limited by operation precision or prior art condition, unmanned plane is rising
When flying and landing, inevitably the reaction force strong by ground impact, can damage unmanned plane body to a certain extent
With the precision instrument being set up on unmanned plane, it is therefore necessary to carry out certain damping to unmanned plane and handle.
Existing damping device carries out damping by the direct compressed gas elastic element of support construction mostly；But it relies solely on
Spring is as shock-damping structure, in unmanned plane landing, direct impact elasticity element；Compress elastic original part；But during this, bullet
Elastic potential energy can be stored after spring compression, then acts directly in support construction, unmanned plane is made to be lifted a distance；This claims
The fuselage of weight unmanned plane does the reciprocating motion of oscilaltion on elastic element, until being totally consumed to elastic potential energy, nothing
Man-machine ability is static on the ground.Due to lacking energy consumption on elastic element, so unmanned plane meeting vertical tremor continues for some time；
It is easy damage precision components.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of shock-damping structures of unmanned plane.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of shock-damping structure of unmanned plane of the present invention, it includes support shaft and sleeve；The bottom end of the sleeve is in close
Seal shape；The inner cavity setting of the sleeve has elastic component；The axle body of the support shaft and the inner hole of sleeve match；The support
Axis is mutually fixedly connected after being inserted into sleeve with elastic element one end；The elastic element other end is fixed on the seal face of sleeve；
Several absorption systems are evenly equipped on the side wall of the sleeve；The absorption systems are circumferentially distributed on sleeve；The energy-absorbing
System is used to absorb the kinetic energy of support shaft.
Further, the absorption systems include elastic pressing plate, wheel, first rotating shaft, fixed plate, the second shaft, tooth
Wheel and accelerator；The fixed plate is fixed on sleeve；The first rotating shaft and the second shaft are rotatablely connected with fixed plate；
It is connected between the first rotating shaft and the second shaft by accelerator；The first rotating shaft and the centre of gyration of wheel are mutually solid
Fixed connection；The centre of gyration of the gear is mutually fixedly connected with the second shaft；Gear is provided on the axle body of the support shaft
The teeth group matched；It is opened up on the side wall of the sleeve jagged；The gear is after notch in the inside of sleeve and teeth group
It is meshed；The teeth group is made of several uniformly distributed teeth in support shaft；Axial direction of the teeth along support shaft
It is evenly distributed；Elastic force pressing plate one end is fixed on the lateral wall of sleeve；The plate body of elastic force pressing plate is pressed on the wheel body of wheel
On.
Further, the accelerator includes small belt pulley, driving belt and big belt pulley；The small belt pulley
The centre of gyration is fixed in first rotating shaft；The centre of gyration of the big belt pulley is fixed in the second shaft；The driving belt
It is stretched between big belt pulley and small belt pulley.
Further, brake block is fixed on the bottom surface of the elastic force pressing plate；The brake block is pressed on the wheel of wheel
With.
Further, sealed shield is provided with outside the absorption systems；Sealed shield is arranged in the absorption systems
It is internal；The sealed shield is fixed on the lateral wall of sleeve.
A kind of shock-damping structure of unmanned plane according to claim, it is characterised in that: set on the side wall of the sleeve
It is equipped with gas vent；One end on sleeve close to seal face is arranged in the gas vent.
Further, the quantity of the absorption systems is two.
Further, the elastic element is cylindrical spring.
After adopting the above structure, the invention has the following beneficial effects: a kind of shock-damping structure of unmanned plane of the present invention, sleeve
Bottom end be in seal shape；The inner cavity setting of sleeve has elastic component；The axle body of support shaft and the inner hole of sleeve match；Support shaft
It is mutually fixedly connected after being inserted into sleeve with elastic element one end；The elastic element other end is fixed on the seal face of sleeve；Set
Several absorption systems are evenly equipped on the side wall of cylinder；Absorption systems are circumferentially distributed on sleeve；Absorption systems are for absorbing branch
Support the kinetic energy of axis.In using the present invention, the fuselage of unmanned plane is fixed on the top of support shaft, during unmanned plane land,
The bottom of sleeve first lands, and then during unmanned plane continues to decline, when support shaft is moved downward along sleeve, passes through compression
During elastic element carries out bumper and absorbing shock, while compressing member is compressed, spring store has certain elastic potential energy, works as bullet
When spring is compressed or is stretched and support shaft and sleeve are opposing stationary in a flash, and elastic potential energy is again converted to the dynamic of support shaft
Can, during this spring is by compression and stretching, support shaft is moving reciprocatingly, and absorption systems always hinder support shaft
It is moved on sleeve；So can make support shaft using absorption systems, rapidly relative sleeve is static, prevents unmanned plane from landing
Reciprocating motion on the ground for a long time in the process protects body part to the utmost, improves the use of unmanned plane
Service life.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of sleeve；
Description of symbols:
1, support shaft；101, teeth；2, sleeve；201, gas vent；202, notch；
3, elastic force pressing plate；4, sealed shield；5, brake block；6, wheel；7, small belt pulley；
8, first rotating shaft；9, fixed plate；10, driving belt；11, big belt pulley；
12, the second shaft；13, gear；14, elastic element.
Specific embodiment
The present invention will be further described below with reference to the drawings.
As shown in Fig. 1 to 2, a kind of shock-damping structure of unmanned plane of the present invention, it includes support shaft 1 and sleeve 2；
The bottom end of the sleeve 2 is in seal shape；The inner cavity setting of the sleeve 2 has elastic component 14；The axle body and set of the support shaft 1
The inner hole of cylinder 2 matches；The support shaft 1 is mutually fixedly connected after being inserted into sleeve 2 with 14 one end of elastic element；Elastic element 14
The other end is fixed on the seal face of sleeve 2；Several absorption systems are evenly equipped on the side wall of the sleeve 2；The energy-absorbing
System is circumferentially distributed on sleeve 2；The absorption systems are used to absorb the kinetic energy of support shaft 1；The fuselage of unmanned plane is fixed on
The top of support shaft 1, during unmanned plane land, the bottom of sleeve 2 first lands, and then continues to decline process in unmanned plane
In, when support shaft 1 is moved downward along sleeve 2, bumper and absorbing shock is carried out by compression elastic element 14, while compressing member 14 is pressed
During contracting, spring store has certain elastic potential energy, when spring is compressed or is stretched and support shaft 1 and 2 phase of sleeve
Elastic potential energy is again converted to the kinetic energy of support shaft 1 in a flash to static, in the process that this spring is compressed and stretched
In, support shaft 1 is moving reciprocatingly, and absorption systems always hinder support shaft 1 to move on sleeve 2；So utilizing energy-absorbing system
System can make support shaft 1 rapidly relative sleeve 2 is static, prevent unmanned plane in descent on the ground for a long time
It moves back and forth, protects body part to the utmost, improve the service life of unmanned plane.
As a kind of preferred embodiment of the invention, the absorption systems include elastic pressing plate 3, wheel 6, first rotating shaft 8,
Fixed plate 9, the second shaft 12, gear 13 and accelerator；The fixed plate 9 is fixed on sleeve 2；8 He of first rotating shaft
Second shaft 12 is rotatablely connected with fixed plate 9；It is connected between the first rotating shaft 8 and the second shaft 12 by accelerator
It connects；The first rotating shaft 8 is mutually fixedly connected with the centre of gyration of wheel 6；The centre of gyration of the gear 13 and the second shaft 12
Mutually it is fixedly connected；The matched teeth group of gear 13 is provided on the axle body of the support shaft 1；It is opened up on the side wall of the sleeve 2
Jagged 202；The gear 13 is meshed in the inside of sleeve 2 with teeth group after passing through notch 202；The teeth group is by several
A uniformly distributed teeth 101 in support shaft 1 form；The teeth 101 are evenly distributed along the axial direction of support shaft 1；The bullet
3 one end of plate is forced to be fixed on the lateral wall of sleeve 2；The plate body of elastic force pressing plate 3 is pressed on the wheel of wheel 6；Support shaft 1 exists
During movement, the tooth group band moving gear 13 of support shaft 1 is rotated, and the second shaft 12 on gear 13 is mentioned by accelerator
The wheel 6 in first rotating shaft 8 is driven to rotate after speed, elastic force pressing plate 3 is pressed on the wheel of wheel 6 and generates frictional force, using rubbing
It wipes power to do work to wheel 6, carries out the kinetic energy of consumption wheel 6；The circle number that the effect of accelerator speed-raising rotates wheel 6 increases,
Increase the distance that pressing plate 3 takes turns body sliding with respect to wheel 6；It improves and inhales effect fruit, because elastic force pressing plate 3 does the frictional force of wheel 6
Function be equal to product of the elastic force pressing plate 3 to the frictional force of wheel 6 and elastic force pressing plate 3 with respect to the distance of 6 surface of wheel walking；This mistake
The kinetic energy that support shaft 1 is equivalent in journey is converted into the interior energy of elastic force pressing plate 3；The interior energy be distributed by way of heat.
As a kind of preferred embodiment of the invention, the accelerator includes small belt pulley 7, driving belt 10 and great Pi
Belt wheel 11；The centre of gyration of the small belt pulley 7 is fixed in first rotating shaft 8；The centre of gyration of the big belt pulley 11 is fixed
In the second shaft 12；The driving belt 10 is stretched between big belt pulley 11 and small belt pulley 7；The radius of big belt pulley 11
Play speed-raising so the circle number that big belt pulley 11 rotates is less than the circle number of small belt pulley 7 greater than the radius of small belt pulley 7.
As a kind of preferred embodiment of the invention, brake block 5 is fixed on the bottom surface of the elastic force pressing plate 3；The brake
Vehicle piece 5 is pressed on the wheel of wheel 6；Brake block 5 can be improved the frictional force acted on wheel 6, increasing friction force consumption
Power, improve wheel 6 deceleration effect.
As a kind of preferred embodiment of the invention, sealed shield 4 is provided with outside the absorption systems；The absorption systems
The inside of sealed shield 4 is set；The sealed shield 4 is fixed on the lateral wall of sleeve 2.
6. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: the side wall of the sleeve 2
On be provided with gas vent 201；One end on sleeve 2 close to seal face is arranged in the gas vent 201；The work of gas vent 201
When with being that support shaft 1 is slided in sleeve 2, as the function of exhaust suction, it can make to be the free skating in sleeve 2 of support shaft 1
It is dynamic.
As a kind of preferred embodiment of the invention, the quantity of the absorption systems is two.
As a kind of preferred embodiment of the invention, the elastic element 14 is cylindrical spring.
In using the present invention, the fuselage of unmanned plane is fixed on the top of support shaft, during unmanned plane land, first
The bottom of sleeve lands, and then during unmanned plane continues to decline, when support shaft is moved downward along sleeve, passes through the elasticity of compression
During element carries out bumper and absorbing shock, while compressing member is compressed, spring store has certain elastic potential energy, when spring quilt
When compressing or being stretched and support shaft and sleeve are opposing stationary in a flash, and elastic potential energy is again converted to the kinetic energy of support shaft,
During this spring is by compression and stretching, support shaft is moving reciprocatingly；Support shaft in the process of movement, support shaft
Tooth group band moving gear rotate, the second shaft on gear drives the wheel in first rotating shaft to turn after raising speed by accelerator
Dynamic, elastic force pressing plate is pressed on the wheel of wheel and generates frictional force, is done work using frictional force to wheel, carries out the dynamic of consumption wheel
Energy；The radius of big belt pulley is greater than the radius of small belt pulley, so the circle number of big belt pulley rotation is less than the circle number of small belt pulley,
Play speed-raising, the circle number for rotating wheel increases, and increases pressing plate with respect to the distance that wheel wheel body slides；It improves and inhales effect
Fruit, brake block can be improved the frictional force acted on wheel, and the power of increasing friction force consumption improves the deceleration effect of wheel
Fruit, because elastic force pressing plate is equal to elastic force pressing plate wheel opposite with elastic force pressing plate to the frictional force of wheel to the function that the frictional force of wheel is done
The product of the distance of sublist face walking；The kinetic energy that support shaft is equivalent to during this is converted into the interior energy of elastic force pressing plate；The interior energy
It is distributed by way of heat；So can make support shaft using absorption systems, rapidly relative sleeve is static, prevents nothing
The man-machine reciprocating motion in descent on the ground for a long time protects body part to the utmost, improves nothing
Man-machine service life.
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (8)
1. a kind of shock-damping structure of unmanned plane, it is characterised in that: it includes support shaft (1) and sleeve (2)；The sleeve (2)
Bottom end be in seal shape；The inner cavity setting of the sleeve (2) has elastic component (14)；The axle body and sleeve of the support shaft (1)
(2) inner hole matches；The support shaft (1) is inserted into sleeve (2) and is mutually fixedly connected with elastic element (14) one end afterwards；Elasticity
Element (14) other end is fixed on the seal face of sleeve (2)；Several energy-absorbing systems are evenly equipped on the side wall of the sleeve (2)
System；The absorption systems are circumferentially distributed on sleeve (2)；The absorption systems are used to absorb the kinetic energy of support shaft (1).
2. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: the absorption systems include bullet
Force plate (3), wheel (6), first rotating shaft (8), fixed plate (9), the second shaft (12), gear (13) and accelerator；It is described
Fixed plate (9) is fixed on sleeve (2)；The first rotating shaft (8) and the second shaft (12) are rotatablely connected with fixed plate (9)；
It is connected between the first rotating shaft (8) and the second shaft (12) by accelerator；The first rotating shaft (8) and wheel (6)
The centre of gyration be mutually fixedly connected；The centre of gyration of the gear (13) is mutually fixedly connected with the second shaft (12)；The support
The matched teeth group of gear (13) is provided on the axle body of axis (1)；Jagged (202) are opened up on the side wall of the sleeve (2)；Institute
Gear (13) are stated to be meshed in the inside of sleeve (2) with teeth group after notch (202)；The teeth group is being propped up by several
Support teeth (101) composition uniformly distributed on axis (1)；The teeth (101) are evenly distributed along the axial direction of support shaft (1)；It is described
Elastic force pressing plate (3) one end is fixed on the lateral wall of sleeve (2)；The plate body of elastic force pressing plate (3) is pressed on the wheel body of wheel (6)
On.
3. a kind of shock-damping structure of unmanned plane according to claim 2, it is characterised in that: the accelerator includes small
Belt pulley (7), driving belt (10) and big belt pulley (11)；The centre of gyration of the small belt pulley (7) is fixed on first rotating shaft
(8) on；The centre of gyration of the big belt pulley (11) is fixed on the second shaft (12)；The driving belt (10) is stretched in greatly
Between belt pulley (11) and small belt pulley (7).
4. a kind of shock-damping structure of unmanned plane according to claim 2, it is characterised in that: the bottom of the elastic force pressing plate (3)
Brake block (5) are fixed on surface；The brake block (5) is pressed on the wheel of wheel (6).
5. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: be respectively provided with outside the absorption systems
There are sealed shield (4)；Inside of the absorption systems setting in sealed shield (4)；The sealed shield (4) is fixed on sleeve
(2) on lateral wall.
6. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: on the side wall of the sleeve (2)
It is provided with gas vent (201)；The gas vent (201) is arranged on sleeve (2) close to one end of seal face.
7. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: the quantity of the absorption systems is
Two.
8. a kind of shock-damping structure of unmanned plane according to claim 1, it is characterised in that: the elastic element (14) is circle
Column spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867862.2A CN108974335A (en) | 2018-08-02 | 2018-08-02 | A kind of shock-damping structure of unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867862.2A CN108974335A (en) | 2018-08-02 | 2018-08-02 | A kind of shock-damping structure of unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108974335A true CN108974335A (en) | 2018-12-11 |
Family
ID=64554334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867862.2A Withdrawn CN108974335A (en) | 2018-08-02 | 2018-08-02 | A kind of shock-damping structure of unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108974335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775257A (en) * | 2019-11-04 | 2020-02-11 | 桂林航天工业学院 | Lightweight unmanned aerial vehicle foot rest winding and unwinding devices |
-
2018
- 2018-08-02 CN CN201810867862.2A patent/CN108974335A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775257A (en) * | 2019-11-04 | 2020-02-11 | 桂林航天工业学院 | Lightweight unmanned aerial vehicle foot rest winding and unwinding devices |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181211 |
|
| WW01 | Invention patent application withdrawn after publication |