CN209080182U - Unmanned machine head combined type damping vibration attenuation platform and its unmanned plane - Google Patents
Unmanned machine head combined type damping vibration attenuation platform and its unmanned plane Download PDFInfo
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- CN209080182U CN209080182U CN201821818521.8U CN201821818521U CN209080182U CN 209080182 U CN209080182 U CN 209080182U CN 201821818521 U CN201821818521 U CN 201821818521U CN 209080182 U CN209080182 U CN 209080182U
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- shock absorber
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Abstract
The utility model provides a kind of unmanned machine head combined type damping vibration attenuation platform and its unmanned plane, including air damping damper, adapter rack, intermediate frequency rubber shock absorber, intermediate frequency bracket and high frequency rubber shock absorber, holder is connect by high frequency rubber shock absorber with adapter rack, High-frequency absorber is constituted, for high-frequency vibration of decaying；Adapter rack is connected on intermediate frequency bracket by multiple groups intermediate frequency damper, constitutes intermediate frequency vibration damping, for frequency vibration in decaying；Intermediate frequency bracket is directly or indirectly connect with fuselage by air damping damper, constitutes low frequency vibration damping, is used for damping low-frequency vibrations；Above-mentioned senior middle school's low frequency vibration damping together constitutes combined type damping vibration attenuation mode, realizes the overall attenuation to the low-frequency vibration of fuselage senior middle school；The performance parameters such as Static stiffness, dynamic stiffness and loss factor by change air damping damper, intermediate frequency rubber absorbers and high frequency rubber shock absorber, the combined effect that different damping and damping property can be obtained can be suitably used for the carrying application scenarios of a variety of unmanned planes and holder.
Description
Technical field
The utility model relates to a kind of unmanned machine head combined type damping vibration attenuation platform and its unmanned planes, in unmanned plane
The upper vibration reduction platform for carrying holder, can decay influence of the unmanned plane body vibration to holder, be mainly used in aerospace, machine
The technical fields such as device people and unmanned plane.
Background technique
Unmanned plane usually requires to carry holder, takes photo by plane for realizing in the sky to ground scenery.With unmanned air vehicle technique
Progress, and the expansion for application field of taking photo by plane, the requirement to Aerial Images significantly improve.However since unmanned plane was flying
The influence of Cheng Zhong, the moving components such as motor, propeller or engine, rotor and air-flow can generate lasting on fuselage
Vibration, shakes, and influence shooting quality in turn so as to cause holder.For using internal combustion engine for the unmanned plane of power,
Its own level of vibration is especially serious, and causes to seriously affect to shooting image.
In view of the foregoing, it is necessary to existing aerial photography aircraft holder is improved, body vibration and air-flow is effectively reduced
The factors such as shake are stable to holder and shoot the influence of picture quality.
Currently, the vibration damping of unmanned machine head is mainly using rubber damping ball as vibration reducing measure, such as Patent No.:
A kind of holder vibration absorber and unmanned plane are disclosed in the utility model patent of CN201521140022.4, damping mode uses
Be exactly rubber damping ball, rubber damping ball can decay high-frequency vibration, its advantage is that elasticity is good, shock insulation, and have certain
Damping.However rubber damping ball is poor to the assimilation effect of low-frequency mechanical vibrations energy, and is affected by temperature obvious.
And the vibration source between unmanned plane and holder is mainly engine, rotor and unmanned plane body.With typical 10kg
For grade unmanned helicopter, the revolving speed of engine and rotor is about 10000rpm and 1500rpm, and corresponding vibration frequency is
166.7Hz and 25Hz, above-mentioned vibration source have respectively constituted high-frequency vibration and middle frequency vibration.In addition, unmanned plane body was flying
Cheng Zhonghui generates shaking because of gust disturbances.Above-mentioned body shakes mostly in 5Hz hereinafter, constituting low between unmanned plane and holder
Frequency vibration.The vibration damping frequency band of rubber damping ball is relatively narrow, and is mainly distributed on high band.Therefore simple subtracting using rubber damping ball
Effect of shaking is limited, poor in the effectiveness in vibration suppression of Mid Frequency and low-frequency range.It is (especially big that unmanned plane is moved in the severe oil of vibration environment
Type oil moves unmanned plane) on, it is simple especially insufficient using the application effect of rubber damping ball.For this reason, it is necessary to for unmanned plane
Actual vibration environment introduces effective intermediate frequency and low frequency vibration damping measure.
Utility model content
The technical problem to be solved by the utility model is in order to overcome the shortcomings in the prior art, the utility model mentions
For a kind of unmanned machine head combined type damping vibration attenuation platform and its unmanned plane, by the way of fractional frequency division vibration damping, obtain compared with
High damping efficiency and preferable damping.
The utility model solves its technical problem technical solution to be taken: a kind of unmanned machine head combined type damping
Vibration reduction platform, including the low frequency vibration damping portion, intermediate frequency vibration damping portion and High-frequency absorber portion set gradually from top to bottom, in which:
Low frequency vibration damping portion is used for damping low-frequency vibrations, including at least three air damping damper, the air damping subtract
The device that shakes is circumferentially distributed along unmanned machine head, and air damping damper upper end is connect with intermediate frequency vibration damping portion, and lower end is connected to nobody
Machine fuselage；
Intermediate frequency vibration damping portion, for frequency vibration in decaying, including at least 3 groups of intermediate frequency rubber shock absorbers, every group includes at least two
Intermediate frequency rubber shock absorber and intermediate frequency bracket, the intermediate frequency bracket is connected to air damping damper upper end, and middle part is equipped with and is used for
Across the aperture of holder, the intermediate frequency rubber shock absorber is arranged above intermediate frequency bracket and circumferentially to divide as unit of group along holder
The upper end of cloth, the intermediate frequency rubber shock absorber is connect with High-frequency absorber portion；
High-frequency absorber portion, for high-frequency vibration of decaying, including at least three high frequency rubber shock absorber and adapter rack, adapter rack
It is connected to intermediate frequency rubber shock absorber upper end, and middle part is equipped with for across the aperture of holder, the high frequency rubber shock absorber setting
Above adapter rack and circumferentially distributed along holder, high frequency rubber shock absorber upper end is connect with holder.
Air damping damper utilizes air viscosity vibration damping.Since air viscosity varies with temperature small, air
Damping shock absorber performance is stablized.And it is big, small in size, easy to install to bear displacement, and provides the damping of vertical and horizontal direction.It is empty
Gas damping shock absorber intrinsic frequency low (2.6-5.3Hz), damping ratio are high (0.06-0.08), low frequency vibration isolation efficiency better than spring and
Rubber.High frequency and intermediate frequency vibration damping still use rubber shock absorber to decay.
It further, further include mounting portion, the mounting portion includes supporting plate and hanging beam, and the air damping damper is mounted on
On the supporting plate, the two ends of bearing plate passes through hanging beam respectively and connect with unmanned aerial vehicle body.
Further, the supporting plate and hanging beam are equipped with the lightening hole of multiple and different sizes, to mitigate housing construction weight.
Specifically, being equipped with attachment device at the top of the hanging beam, connected by bolt and unmanned aerial vehicle body hanging.
Further, the lightening hole of multiple and different sizes is additionally provided on the adapter rack, to mitigate housing construction weight.
Preferably, every group of intermediate frequency rubber shock absorber at least two.Intermediate frequency rubber absorbers use every group 2, every group 3
A, every group of application modes such as 4 or more, the application mode needs are matched with adapter rack.Optionally, intermediate frequency rubber subtracts
The application mode in groups that device uses 6 groups, 8 groups or more groups is shaken, the application mode needs are matched with adapter rack.
A kind of unmanned plane further includes unmanned aerial vehicle body and holder including above-mentioned vibration reduction platform, and the holder passes through vibration damping
Platform is connect with unmanned aerial vehicle body.
Further, for the ease of the connection of holder and vibration reduction platform, the holder is equipped with and high frequency rubber shock absorber number
Hangers corresponding with position is measured, the hangers matches connection with the high frequency rubber shock absorber.
A kind of unmanned plane further includes unmanned aerial vehicle body and holder including above-mentioned vibration reduction platform, and the holder passes through vibration damping
Platform is connect with fuselage.
Further, for the ease of the connection of holder and vibration reduction platform, the holder be equipped with rubber shock absorber quantity and
The corresponding hangers in position, the hangers match connection with the rubber shock absorber.
The low frequency vibration damping portion, intermediate frequency vibration damping portion, High-frequency absorber portion collocation effect, together constitute to unmanned machine head
Combined type damping vibration attenuation mode, realizes the overall attenuation to unmanned aerial vehicle body high-frequency vibration, middle frequency vibration and low-frequency vibration；It is logical
Cross change air damping damper, the quantity and Static stiffness of intermediate frequency rubber shock absorber and high frequency rubber shock absorber, dynamic stiffness and
The combination of different damping and damping property can be obtained in the parameters such as loss factor, so that it is suitable for different unmanned plane level of vibration, with
And the carrying occasion of variety classes and the unmanned machine head of weight.
The beneficial effects of the utility model are: a kind of unmanned machine head combined type damping vibration attenuation provided by the utility model is flat
Platform and its unmanned plane have damping efficiency high, and damping is good, are affected by temperature small, and damping property is easy to adjust, versatility
By force, it is suitble to the holder vibration damping of unmanned plane (especially Large Oil moves unmanned plane).
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram that the vibration reduction platform of the utility model is directly connect with unmanned aerial vehicle body.
Fig. 2 is the structural schematic diagram that the vibration reduction platform of the utility model is connect with unmanned aerial vehicle body indirectly.
Fig. 3 is the front view of unmanned machine head combined type damping vibration attenuation platform.
Fig. 4 is the side view of unmanned machine head combined type damping vibration attenuation platform.
Fig. 5 is the application mode that vibration reduction platform uses every group of 2 intermediate frequency rubber absorbers.
Fig. 6 is the application mode that vibration reduction platform uses every group of 3 intermediate frequency rubber absorbers.
Fig. 7 is the application mode that vibration reduction platform uses 6 groups of intermediate frequency rubber absorbers.
In figure: 1. air damping dampers, 2. adapter racks, 3. hanging beams, 4. supporting plates, 5. intermediate frequency rubber shock absorbers, 6. intermediate frequencies
Bracket, 7. high frequency rubber shock absorbers, 8. holders, 801. hangers, 9. fuselages.
Specific embodiment
The utility model is described in detail presently in connection with attached drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate the basic structure of the utility model, therefore it only shows composition related with the utility model.
Embodiment one:
As shown in Figure 1, a kind of unmanned plane of the utility model, including unmanned aerial vehicle body 9, holder 8 and realize holder 8 with
Unmanned aerial vehicle body 9 connect holder combined type damping vibration attenuation platform, holder combined type damping vibration attenuation platform include from top to bottom according to
Low frequency vibration damping portion, intermediate frequency vibration damping portion and the High-frequency absorber portion of secondary setting, in which:
Low frequency vibration damping portion, is used for damping low-frequency vibrations, including at least three air damping damper 1, and intermediate frequency vibration damping portion uses
The frequency vibration in decaying, including at least 3 groups of intermediate frequency rubber shock absorbers 5 (every group includes at least two intermediate frequency rubber shock absorber 5) and in
Frequency bracket 6, High-frequency absorber portion, for high-frequency vibration of decaying, including at least three high frequency rubber shock absorber 7 and adapter rack 2；High frequency
7 quantity of rubber shock absorber can choose 3,4,5 or more, and quantity is set according to application environment and 8 size of holder
Meter is preferably circumferentially uniformly distributed along holder 8, the effectiveness in vibration suppression of all directions can be made more balanced；Air damping damper 1
Quantity can be 3,4,5 or more, and quantity is designed according to application environment and 8 size of holder, preferably along holder 8
It is circumferentially uniformly distributed, the effectiveness in vibration suppression of all directions can be made more balanced；And be located in the middle intermediate frequency rubber shock absorber 5 can be with
The application mode in groups of 6 groups, 8 groups or more groups is selected, the application mode needs are matched with adapter rack 2；Every group includes 2
A, every group 3, every group 4 or more intermediate frequency rubber shock absorbers 5, the application mode needs are matched with adapter rack 2；It is excellent
Select the number of air damping damper 1,7 numbers of high frequency rubber shock absorber and can phase with the group number of intermediate frequency rubber shock absorber 5
It is same or different, and position can be aligned or be interspersed；With four high frequency rubber shock absorbers, 7, four groups of intermediate frequency rubbers in the present embodiment
It is illustrated for glue damper 5 and four air damping dampers 1.
Specifically, using press-fit approach, unmanned machine head combined type damping vibration attenuation platform is directly installed in the present embodiment
On floor inside unmanned aerial vehicle body 9, mainly by four 7, four groups of high frequency rubber shock absorber skies of intermediate frequency rubber shock absorber 5, four
Gas damping shock absorber 1, intermediate frequency bracket 6 and adapter rack 2 form.
Wherein, it is set on the outside of the body of holder 8 there are four hangers 801, unmanned machine head 8 passes through the hangers on the outside of its body
801 connect one to one with four high frequency rubber shock absorbers 7, and four 7 one end of high frequency rubber shock absorber are connected on adapter rack 2,
The other end is connected on hangers 801, constitutes High-frequency absorber portion, is mainly used for high-frequency vibration of decaying.The middle part of adapter rack 2, which is equipped with, to be used
In the lightening hole for being additionally provided with multiple and different sizes on the through-hole for passing through holder 8, the adapter rack 2, to mitigate housing construction weight,
2 shape of adapter rack matches with holder 8, intermediate frequency rubber absorbers 5 and high frequency rubber shock absorber 7, at the same with intermediate frequency rubber damping
Device 5 and high frequency rubber shock absorber 7 connect, and adapter rack 2 can be clever according to 8 outer dimension of holder and its specific layout of hangers 801
Design living.
Four groups of intermediate frequency rubber shock absorbers 5 respectively correspond four intermediate frequency brackets 6, and four intermediate frequency brackets 6 enclose and set to be formed for wearing
The aperture of holder 8 is crossed, 1 upper end of air damping damper is connected to below each intermediate frequency bracket 6, is pacified above each intermediate frequency bracket 6
One group of intermediate frequency rubber shock absorber 5 is filled, and circumferentially distributed along holder 8, intermediate frequency damper upper end is connect with adapter rack 2, constitutes intermediate frequency
Vibration damping portion, for frequency vibration in decaying；Every group of intermediate frequency rubber shock absorber 5 at least two, it is preferred that intermediate frequency rubber absorbers are adopted
With the application modes such as every group 2, every group 3, every group 4 or more, the application mode needs are matched with adapter rack 2.
Optionally, intermediate frequency rubber absorbers use the application mode in groups of 6 groups, 8 groups or more groups, and the application mode is needed and is adapted to
Frame 2 matches.Intermediate frequency rubber absorbers 5 use the application modes such as triangle, rectangle, square, polygon, circle, ellipse,
The application mode needs are matched with adapter rack 2.
Four 1 one end of air damping damper are connect by bolt with the adapter rack 2, and the other end is directly installed on nobody
On floor inside machine fuselage 9, low frequency vibration damping portion is constituted, damping low-frequency vibrations are mainly used for.
Embodiment two:
As shown in figs 2-4, the difference between this embodiment and the first embodiment lies in the connection of vibration reduction platform and unmanned aerial vehicle body 9
Mode is different, further includes mounting portion in the present embodiment, is used for unmanned 8 damping vibration attenuation stage+module of machine head in unmanned aerial vehicle body
On 9, mounting portion includes hanging beam 3 and supporting plate 4, wherein and supporting plate 4 is elongated or rectangle, can be a whole or multiple fission,
For installing air damping damper 1；Hanging beam 3 is used to unmanned 8 damping vibration attenuation platform of machine head and holder 8 being lifted on unmanned plane
On fuselage 9.The supporting plate 4 and hanging beam 3 are equipped with the lightening hole of multiple and different sizes, to mitigate housing construction weight.
As shown in figure 5, application mode of the intermediate frequency vibration damping portion of vibration reduction platform using every group of two intermediate frequency rubber absorbers, two
A intermediate frequency rubber absorbers are diagonally installed.
As shown in fig. 6, application mode of the intermediate frequency vibration damping portion of vibration reduction platform using every group of three intermediate frequency rubber absorbers, three
A intermediate frequency rubber absorbers are installed along 2 outer rim of adapter rack.
As shown in fig. 7, the intermediate frequency vibration damping portion of vibration reduction platform uses six groups of intermediate frequency rubber absorbers, and every group includes in four
Frequency rubber absorbers, radial symmetric is arranged six groups of intermediate frequency rubber absorbers two-by-two.
The utility model is arranged in pairs or groups using air damping damper 1, intermediate frequency rubber shock absorber 5 and high frequency rubber shock absorber 7
Mode constructs the damping vibration attenuation mode for unmanned machine head 8, thus 9 high-frequency vibration of overall attenuation unmanned aerial vehicle body, intermediate frequency
Vibration and influence of the low-frequency vibration to unmanned machine head 8.By selection air damping damper 1 and rubber shock absorber quantity and
Performance parameter, it is convenient to change the integral vibration damping performance of the damping vibration attenuation platform.Since the present invention is with air damping vibration damping
Device 1 is main vibration absorber, therefore is affected by temperature smaller.The present invention has the advantages that damping efficiency is high, damping is good,
It is affected by temperature small, adjusting performance convenience, it is versatile, it is suitble to the holder 8 of unmanned plane (especially Large Oil moves unmanned plane) to subtract
Vibration.
It is enlightenment, through the above description, relevant work with the above-mentioned desirable embodiment according to the utility model
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (8)
1. a kind of unmanned machine head combined type damping vibration attenuation platform, it is characterised in that: including the low frequency set gradually from top to bottom
Vibration damping portion, intermediate frequency vibration damping portion and High-frequency absorber portion, in which:
Low frequency vibration damping portion is used for damping low-frequency vibrations, including at least three air damping damper (1), the air damping vibration damping
Device (1) is circumferentially distributed along unmanned machine head (8), and air damping damper (1) upper end is connect with intermediate frequency vibration damping portion, lower end connection
To unmanned aerial vehicle body (9)；
Intermediate frequency vibration damping portion, for frequency vibration in decaying, including at least 3 groups of intermediate frequency rubber shock absorbers (5), every group includes at least two
Intermediate frequency rubber shock absorber (5) and intermediate frequency bracket (6), the intermediate frequency bracket (6) are connected to air damping damper (1) upper end, and
Middle part is equipped with for the aperture across holder (8), intermediate frequency rubber shock absorber (5) setting above intermediate frequency bracket (6) and with
Group is that unit is circumferentially distributed along holder (8), and the upper end of the intermediate frequency rubber shock absorber (5) is connect with High-frequency absorber portion；
High-frequency absorber portion, for high-frequency vibration of decaying, including at least three high frequency rubber shock absorber (7) and adapter rack (2), adaptation
Frame (2) is connected to intermediate frequency rubber shock absorber (5) upper end, and middle part is equipped with for the aperture across holder (8), the high frequency rubber
Damper (7) setting is in adapter rack (2) top and circumferentially distributed, high frequency rubber shock absorber (7) upper end and cloud along holder (8)
Platform (8) connection.
2. unmanned machine head combined type damping vibration attenuation platform as described in claim 1, it is characterised in that: it further include mounting portion,
The mounting portion includes supporting plate (4) and hanging beam (3), and the air damping damper (1) is mounted on the supporting plate (4), described
Supporting plate (4) both ends pass through hanging beam (3) respectively and connect with unmanned aerial vehicle body (9).
3. unmanned machine head combined type damping vibration attenuation platform as claimed in claim 2, it is characterised in that: the supporting plate (4) and
Hanging beam (3) is equipped with the lightening hole of multiple and different sizes.
4. unmanned machine head combined type damping vibration attenuation platform as claimed in claim 3, it is characterised in that: hanging beam (3) top
Portion is equipped with attachment device, is connected by bolt and unmanned aerial vehicle body (9) hanging.
5. unmanned machine head combined type damping vibration attenuation platform as described in claim 1, it is characterised in that: the adapter rack (2)
On be additionally provided with the lightening holes of multiple and different sizes.
6. unmanned machine head combined type damping vibration attenuation platform as described in claim 1, it is characterised in that: every group of intermediate frequency rubber subtracts
Shake device (5) at least two.
7. a kind of unmanned plane, it is characterised in that: further include nobody including vibration reduction platform as claimed in any one of claims 1 to 6
Machine fuselage (9) and holder (8), the holder (8) are connect by vibration reduction platform with unmanned aerial vehicle body (9).
8. unmanned plane as claimed in claim 7, it is characterised in that: the holder (8) is equipped with and high frequency rubber shock absorber (7)
The corresponding hangers of quantity and position (801), the hangers (801) match connection with the high frequency rubber shock absorber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818521.8U CN209080182U (en) | 2018-11-06 | 2018-11-06 | Unmanned machine head combined type damping vibration attenuation platform and its unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818521.8U CN209080182U (en) | 2018-11-06 | 2018-11-06 | Unmanned machine head combined type damping vibration attenuation platform and its unmanned plane |
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| Publication Number | Publication Date |
|---|---|
| CN209080182U true CN209080182U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821818521.8U Active CN209080182U (en) | 2018-11-06 | 2018-11-06 | Unmanned machine head combined type damping vibration attenuation platform and its unmanned plane |
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| CN (1) | CN209080182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977810A (en) * | 2021-04-26 | 2021-06-18 | 国网天津市电力公司 | All-weather inspection unmanned aerial vehicle and operation method |
| CN113184204A (en) * | 2021-05-20 | 2021-07-30 | 珠海紫燕无人飞行器有限公司 | Unmanned aerial vehicle's damping cloud platform and unmanned aerial vehicle |
-
2018
- 2018-11-06 CN CN201821818521.8U patent/CN209080182U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977810A (en) * | 2021-04-26 | 2021-06-18 | 国网天津市电力公司 | All-weather inspection unmanned aerial vehicle and operation method |
| CN113184204A (en) * | 2021-05-20 | 2021-07-30 | 珠海紫燕无人飞行器有限公司 | Unmanned aerial vehicle's damping cloud platform and unmanned aerial vehicle |
| CN113184204B (en) * | 2021-05-20 | 2023-08-11 | 珠海紫燕无人飞行器有限公司 | Unmanned aerial vehicle's damping cloud platform and unmanned aerial vehicle |
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