CN106904286B - A kind of UAV electro-optical pod's damping device - Google Patents
A kind of UAV electro-optical pod's damping device Download PDFInfo
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- CN106904286B CN106904286B CN201710139905.0A CN201710139905A CN106904286B CN 106904286 B CN106904286 B CN 106904286B CN 201710139905 A CN201710139905 A CN 201710139905A CN 106904286 B CN106904286 B CN 106904286B
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- sliding bar
- spring
- block
- backup plate
- damping device
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- 238000013016 damping Methods 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of UAV electro-optical pod's damping devices, include: the first metal backup plate；Second metal backup plate；First sliding bar；It is fixedly connected with block, is arranged at the top of first sliding bar and second sliding bar, and connect first sliding bar and second sliding bar；Connecting rod, with multiple connection through-holes；First support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and are fixedly connected with block described in connection；Second support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and are fixedly connected with block described in connection；Shock-absorption air bag, support setting is fixedly connected between block and the connecting rod described, between the first support and the second support；Main damping spring, and the rigid coefficient formula of spring is provided, careful design spring rate, to play better load-bearing damping effect.
Description
Technical field
The present invention relates to photoelectric nacelle field, and in particular to a kind of UAV electro-optical pod's damping device.
Background technique
Gondola, which refers to, is equipped with certain airborne equipment or weapon, and hangs the streamlined nacelle section under fuselage or wing, adds
Dress gondola can make aircraft possess the function not available for itself, aerial to fly since takeoff and landing can generate biggish impact
Capable high maneuver movement will also generate higher overload power, and corresponding photoelectricity can generate very big vibration, fixed to image quality, target
Position and data guidance accuracy have a huge impact, and previous photoelectric nacelle is connected with its carrier interplane by four dampers,
It has been difficult to meet required precision.
Summary of the invention
The present invention has designed and developed a kind of UAV electro-optical pod's damping device, using by shock-absorption air bag and main shock-absorption air bag
The three-level shock-damping structure of composition can effectively eliminate the vibration that airborne transmitting comes.
It is a still further object of the present invention to provide the rigid coefficient formula of spring, careful design spring rate is more preferable to play
Load-bearing damping effect.
Technical solution provided by the invention are as follows:
A kind of UAV electro-optical pod's damping device includes:
The bottom of first metal backup plate, one side is equipped with the first inclined-plane, and one middle side part of the first metal backup plate offers
First sliding groove；
The bottom of second metal backup plate, one side is equipped with the second inclined-plane, and one middle side part of the second metal backup plate offers
Sliding slot；The first metal backup plate and the second metal backup plate have bevelled side and are oppositely arranged；
First sliding bar, one side are provided with the first convex block, and first convex block can slide in the first sliding groove；
Second sliding bar, one side are provided with the second convex block, and second convex block can slide in institute's second sliding slot；
It is fixedly connected with block, is arranged at the top of first sliding bar and second sliding bar, and connect described first
Sliding bar and second sliding bar；
Connecting rod, with multiple connection through-holes；
First support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and connect the fixation even
Connect block；
Second support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and connect the fixation even
Connect block；
Shock-absorption air bag, support setting are fixedly connected between block and the connecting rod described, are located at the first support
Between the second support；
Main damping spring connects first sliding bar and second sliding bar.
Preferably, first sliding bar bottom is provided with the third inclined-plane with first inclined-plane cooperation, and described the
It three inclined-planes can be along the first bevel direction slide downward；Second sliding bar bottom is provided with matches with second inclined-plane
The 4th inclined-plane closed, the 4th inclined-plane can be along the second bevel direction slide downward.
Preferably, the shock-absorption air bag, comprising:
Air bag；
At least two secondary damping springs, are arranged in parallel in the air bag.
Preferably, the air bag is propped up completely in cydariform.
Preferably, the main damping spring and the secondary damping spring are hard compressed spring.
Preferably, the limited block section is rectangular or round.
It preferably, further include pedestal, the first metal backup plate and the second metal backup plate are fixed at described
On pedestal.
Preferably, the stiffness coefficient of the main damping spring are as follows:
Wherein, KCFor spring rate；PjFor the ultimate load of spring；E is spring maximum tension length；Dm1For outer ring
Kernel of section diameter；Dm2For inner ring kernel of section diameter；A1For outer ring sectional area；A2For inner ring sectional area；σ0It is inside and outside when for no-load
The axial gap of ring；σ is the axial gap of inner and outer ring after load；nαFor inner and outer ring logarithm；β is spring circular conical surface oblique angle.
Preferably, the limit height of the limited block are as follows:
Wherein, limit height H is the distance that limited block distance from bottom is fixedly connected with block top, FjFor the ultimate deformation of spring
Amount, λ is constant, numerical value 0.76；MαFor the total number of rings of spring.
Beneficial effect of the present invention
The present invention has designed and developed a kind of UAV electro-optical pod's damping device, using by shock-absorption air bag and main shock-absorption air bag
The three-level shock-damping structure of composition can effectively be eliminated the vibration that airborne transmitting comes and effectively be eliminated using three-level shock-damping structure
The vibration that airborne transmitting comes solves photoelectric nacelle since vibration causes the problems such as image quality is not high, positioning target is inaccurate, and
Provide the rigid coefficient formula of spring, careful design spring rate, to play better load-bearing damping effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of UAV electro-optical pod's damping device of the present invention.
Fig. 2 is the side view of the damping shell of UAV electro-optical pod's damping device of the present invention.
Fig. 3 is the sliding bar main view of UAV electro-optical pod's damping device of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1-3, UAV electro-optical pod's damping device provided by the invention, comprising: including pedestal 110, also wrap
It including damper shell, sliding bar, is fixedly connected with block 140, bracket and connecting rod 160, damper shell is fixed on pedestal 110,
Damper shell includes: the first metal backup plate 121, and the bottom of one side is equipped with the first inclined-plane 170, the first metal backup plate 121 1
Middle side part offers first sliding groove 171；Second metal backup plate 122, the bottom of one side are equipped with the second inclined-plane 180, and described second
122 1 middle side part of metal backup plate offers second sliding slot；Wherein, the first metal backup plate 121 and the second metal backup plate 122 have oblique
The side in face is oppositely arranged；Sliding bar 130 includes: the first sliding bar 131, and one side is provided with the first convex block 131a, and first is convex
Block 131a can be slided in first sliding groove 171；Second sliding bar 132, one side are provided with the second convex block, and the second convex block can
It is slided in institute's second sliding slot；
It is fixedly connected with block 140, setting connects the first sliding at 132 top of the first sliding bar 131 and the second sliding bar
Bar 131 and the second sliding bar 132；Connecting rod 160, with multiple connection through-holes；First support 151, one end have limit
Block 151a, the other end, which is worn, to be connect in connection through-hole, and is connected and fixed connection block 140；Second support 152, one end have limit
Block, the other end, which is worn, to be connect in connection through-hole, and is connected and fixed connection block 140；First sliding bar, 131 bottom is provided with first tiltedly
The third inclined-plane 191 that face 170 cooperates, third inclined-plane 191 can be along 191 direction slide downward of the first inclined-plane；Second sliding bar 132
Bottom is provided with the 4th inclined-plane 192 with the cooperation of the second inclined-plane 180, and the 4th inclined-plane 192 can be downward along 180 direction of the second inclined-plane
Slide
Shock-absorption air bag, support setting are being fixedly connected between block 140 and connecting rod 160, are located at first support 151 and the
Between two brackets 152；Main damping spring 300 connects the first sliding bar 131 and the second sliding bar 132.Shock-absorption air bag, comprising:
Air bag 210；At least two secondary damping springs 220, are arranged in parallel in air bag 210.As a preference, air bag is propped up completely
In cydariform,.
In another embodiment, main damping spring 300 and secondary damping spring 220 are hard compressed spring.
In another embodiment, limited block is internally provided with threaded hole, and external screw thread, limited block energy are provided on bracket 150
Enough rotational slides on bracket 150 change position of the limited block on bracket 150 to realize the shock-absorption air bag inner spring degree of compression
Adjustment.
As a preference, limited block section is rectangular or round.
As a preference, the first metal backup plate 121 and the second metal backup plate 122 are fixed on pedestal 110.
Implement by taking the course of work of UAV electro-optical pod's damping device as an example, is described further
When airborne shake, the connecting rod 160 being connected on airborne moves downward compression shock absorption air bag, to shake into
The earlier release of row, when shock-absorption air bag compresses to a certain degree, secondary damping spring 220 is started to work, and carries out secondary release to vibration,
At this point, sliding bar 130 starts slide downward, squeezed by 130 pairs of sliding bar main damping springs 300, it will be on vertical direction
Vibration, which is converted into horizontal direction, to be shaken, and is carried out third time release to vibration and is substantially reduced airborne shake by shaking release three times
The dynamic influence to photoelectric nacelle, is arranged boss on the sliding slot and sliding bar of setting on the inside of damping shell after the completion of shock absorbing process,
Sliding bar is effectively limited, prevents sliding bar 130 to be detached from damping shell, while the limited block of cradling piece setting is also to connection
Bar 160 is effectively limited, and prevents connecting rod 160 from continuing up.
In another embodiment, the stiffness coefficient calculation formula of main damping spring are as follows:
Wherein, KCFor spring rate；PjFor the ultimate load of spring；E is spring maximum tension length；Dm1For outer ring
Kernel of section diameter；Dm2For inner ring kernel of section diameter；A1For outer ring sectional area；A2For inner ring sectional area；σ0It is inside and outside when for no-load
The axial gap of ring；σ is the axial gap of inner and outer ring after load；nαFor inner and outer ring logarithm；β is spring circular conical surface oblique angle.
The limit height of limited block are as follows:
Wherein, limit height H is the distance that limited block distance from bottom is fixedly connected with block top, FjFor the ultimate deformation of spring
Amount, λ is constant, numerical value 0.76；MαFor the total number of rings of spring.
The present invention has designed and developed a kind of UAV electro-optical pod's damping device, using by shock-absorption air bag and main shock-absorption air bag
The three-level shock-damping structure of composition can effectively be eliminated the vibration that airborne transmitting comes and effectively be eliminated using three-level shock-damping structure
The vibration that airborne transmitting comes solves photoelectric nacelle since vibration causes the problems such as image quality is not high, positioning target is inaccurate, and
Provide the rigid coefficient formula of spring, careful design spring rate, to play better load-bearing damping effect.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. a kind of UAV electro-optical pod's damping device characterized by comprising
The bottom of first metal backup plate, one side is equipped with the first inclined-plane, and one middle side part of the first metal backup plate offers first
Sliding slot；
The bottom of second metal backup plate, one side is equipped with the second inclined-plane, and one middle side part of the second metal backup plate offers second
Sliding slot；The first metal backup plate and the second metal backup plate have bevelled side and are oppositely arranged；
First sliding bar, one side are provided with the first convex block, and first convex block can slide in the first sliding groove；
Second sliding bar, one side are provided with the second convex block, and second convex block can slide in the second sliding slot；
It is fixedly connected with block, is arranged at the top of first sliding bar and second sliding bar, and connects first sliding
Bar and second sliding bar；
Connecting rod, with multiple connection through-holes；
First support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and are fixedly connected described in connection
Block；
Second support, one end have limited block, and the other end, which is worn, to be connect in the connection through-hole, and are fixedly connected described in connection
Block；
Shock-absorption air bag, support setting are fixedly connected between block and the connecting rod described, are located at the first support and institute
It states between second support；
Main damping spring connects first sliding bar and second sliding bar；
The shock-absorption air bag, comprising:
Air bag；
At least two secondary damping springs, are arranged in parallel in the air bag.
2. UAV electro-optical pod's damping device according to claim 1, which is characterized in that first sliding bar bottom
It is provided with the third inclined-plane with first inclined-plane cooperation, the third inclined-plane can be along first bevel direction to downslide
It is dynamic；Second sliding bar bottom is provided with the 4th inclined-plane with second inclined-plane cooperation, and the 4th inclined-plane can be along institute
State the second bevel direction slide downward.
3. UAV electro-optical pod's damping device according to claim 2, which is characterized in that the air bag is propped up completely is in
Cydariform.
4. UAV electro-optical pod's damping device according to claim 3, which is characterized in that the main damping spring and institute
Stating secondary damping spring is hard compressed spring.
5. UAV electro-optical pod's damping device according to claim 1, which is characterized in that the limited block section is side
Shape or circle.
6. UAV electro-optical pod's damping device according to any one of claims 1-5, which is characterized in that further include bottom
Seat, the first metal backup plate and the second metal backup plate fixed setting are on the base.
7. UAV electro-optical pod's damping device according to claim 6, which is characterized in that the main damping spring it is rigid
Spend coefficient are as follows:
Wherein, KCFor spring rate；PjFor the ultimate load of spring；E is spring maximum tension length；Dm1For outer ring section
Central diameter；Dm2For inner ring kernel of section diameter；A1For outer ring sectional area；A2For inner ring sectional area；σ0Inner and outer ring when for no-load
Axial gap；σ is the axial gap of inner and outer ring after load；nαFor inner and outer ring logarithm；β is spring circular conical surface oblique angle.
8. UAV electro-optical pod's damping device according to claim 7, which is characterized in that the limit of the limited block is high
Degree are as follows:
Wherein, limit height H is the distance that limited block distance from bottom is fixedly connected with block top, FjFor the ultimate deformation amount of spring, λ
For constant, numerical value 0.76；MαFor the total number of rings of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139905.0A CN106904286B (en) | 2017-03-10 | 2017-03-10 | A kind of UAV electro-optical pod's damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139905.0A CN106904286B (en) | 2017-03-10 | 2017-03-10 | A kind of UAV electro-optical pod's damping device |
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| Publication Number | Publication Date |
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| CN106904286A CN106904286A (en) | 2017-06-30 |
| CN106904286B true CN106904286B (en) | 2019-04-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366711B (en) * | 2017-07-28 | 2023-01-17 | 歌尔科技有限公司 | Unmanned aerial vehicle shock-absorbing structure and unmanned aerial vehicle |
| CN108163186A (en) * | 2018-01-16 | 2018-06-15 | 安徽翼讯飞行安全技术有限公司 | A kind of unmanned plane landing damping device |
| CN111544294A (en) * | 2019-09-30 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Disinfectant funnel type pressing bottle |
| CN113120226B (en) * | 2021-05-31 | 2023-04-18 | 四川省天域航通科技有限公司 | Shock-absorbing mechanism that unmanned aerial vehicle used |
| CN113697269A (en) * | 2021-08-19 | 2021-11-26 | 徐州立峰塑料制品有限公司 | Shelf convenient for placing plastic woven bags |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443273B1 (en) * | 2001-08-24 | 2002-09-03 | Bell Helicopter Textron, Inc. | Compact vibration cancellation device |
| CN102507065B (en) * | 2011-11-28 | 2013-08-14 | 中国航天科技集团公司第四研究院四0一所 | Device for reducing thrust and vibration at pipeline ends |
| EP2966287B1 (en) * | 2014-07-07 | 2019-08-28 | Goodrich Actuation Systems Ltd. | Pressure switch for thrust reverser control |
| CN205168930U (en) * | 2015-11-11 | 2016-04-20 | 杭州深空实业股份有限公司 | Multi -functional nacelle of many rotor unmanned aerial vehicle |
| CN105221648B (en) * | 2015-11-17 | 2018-07-27 | 东南大学 | A kind of variation rigidity air cushion shock absorber |
| CN205634540U (en) * | 2016-05-09 | 2016-10-12 | 李昌 | Novel vertical lift elevator safety base |
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