CN106195094A - A kind of shock loading slows down assembly and shock loading alleviative method - Google Patents
A kind of shock loading slows down assembly and shock loading alleviative method Download PDFInfo
- Publication number
- CN106195094A CN106195094A CN201610756816.6A CN201610756816A CN106195094A CN 106195094 A CN106195094 A CN 106195094A CN 201610756816 A CN201610756816 A CN 201610756816A CN 106195094 A CN106195094 A CN 106195094A
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- Prior art keywords
- air cushion
- shock loading
- cavity
- slows down
- air
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Classifications
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- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0409—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the wall structure
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/049—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall multi-chamber units
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
The present invention relates to a kind of shock loading and slow down assembly and shock loading alleviative method, belong to aeroelastic effect test technical field.Described assembly includes at least two air cushion and the supporting mechanism being arranged on air cushion, described air cushion includes surface and is surrounded the cavity formed by described surface, the air cushion that cavity volume is less is built in the air cushion that cavity volume is bigger, gap is formed between adjacent two outer air cushions and interior air cushion, described supporting mechanism is tubular structure, by the connected mode of internal and external threads, each air cushion is carried out d type, and can be inflated in each cavity and gap by the grid being disposed thereon, this slows down assembly and uses the mode of two-layer or multilamellar air cushion nesting to slow down shock loading intensity, it is effectively offset shock loading, protect article to be damped, simple in construction, install and easy to maintenance.
Description
Technical field
The invention belongs to aeroelastic effect test technical field, especially relate to a kind of shock loading and slow down assembly and impact
Load alleviation method.
Background technology
Article are using or in transportation, due to phenomenon meeting damage products such as shocks, particularly at aviation field, and air-drop
Article when born, often produce bigger shock loading, it is therefore desirable to by plastic material, article are carried out load and subtract
Slow, existing Load alleviation device is generally elasticity or the plastic item composition of one or more monolayer, or uses spring or oil
The modes such as liquid carry out Load alleviation.
The existing method slowing down shock loading intensity, the problem existed has:
1) utilizing monolayer air cushion to slow down shock loading, probability of damage is high, and after damage, monolayer air cushion lost efficacy immediately；
2) utilizing multilamellar series connection (in parallel) air cushion to slow down shock loading, each layer impact density of load is the same, each layer
The probability being damaged is the same；
3) utilize porous material to slow down shock loading, mostly be disposable product, waste material；
4) using the design system such as spring and fluid to slow down shock loading, structure is complicated, installs and troublesome maintenance, cost
High.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of shock loading and slow down assembly and shock loading alleviative method,
Being applied to packaging, automobile, Aeronautics and Astronautics field, this slows down assembly and uses the mode of two-layer or multilamellar air cushion nesting to slow down punching
Hit the density of load.
Present invention firstly provides a kind of shock loading and slow down assembly, including at least two air cushion and be arranged on air cushion
Supporting mechanism, described air cushion includes surface and is surrounded, by described surface, the cavity that formed, described surface is provided with air inlet
Mouthful, the cavity volume that each described air cushion is formed is different, and the less air cushion of cavity volume to be built in cavity volume bigger
In air cushion, forming gap between adjacent two outer air cushions and interior air cushion, the air inlet of each described air cushion is positioned on same axis,
Described supporting mechanism is tubular structure, and its stage casing is fixed at the air inlet of air cushion, and gas adjacent in being arranged on this air cushion
Extend at the air inlet of pad and form the inner, extend at the air inlet being arranged on air cushion adjacent outside this air cushion and form outer end, institute
Stating the inner and arrange female thread, described outer end is provided with external screw thread, has some at the barrel between described inner and described stage casing
Passage, described shock loading slows down assembly and also includes sealing structure, it is possible to seal described air inlet.
Preferably, the surface of described air cushion is made up of elastomeric material.
In such scheme preferably, the cavity that the surface of described air cushion is formed is spherical.
In such scheme preferably, the cavity that the surface of described air cushion is formed is column.
In such scheme preferably, it is filled with sponge material in the cavity of air cushion described in innermost layer.
Another aspect of the present invention provides a kind of shock loading alleviative method, and article to be damped are arranged on punching as above
Hit in the cavity of innermost layer air cushion formation of Load alleviation assembly.
Or, a kind of shock loading alleviative method article to be damped are arranged on shock loading as above and slow down assembly
Outside outermost layer air cushion, and it is provided with some described shock loadings on described article to be damped and slows down assembly.
The shock loading that the present invention provides slows down the material that slows down used in assembly and is mainly gas, does not use porous material
Material, spring and fluid, simple in construction, install and easy to maintenance, low cost, repeatable utilization, reduce waste of material.
Accompanying drawing explanation
Fig. 1 is the structural representation that shock loading of the present invention slows down a preferred embodiment of assembly.
Fig. 2 is the supporting construction schematic diagram of embodiment illustrated in fig. 1.
Fig. 3 is another supporting construction schematic diagram of embodiment illustrated in fig. 1.
Fig. 4 is that the shock loading of a preferred embodiment of shock loading alleviative method of the present invention slows down assembly application signal
Figure.
Fig. 5 is that another shock loading of a preferred embodiment of shock loading alleviative method of the present invention slows down assembly application and shows
It is intended to.
Wherein, 11 is the first air cushion, and 12 is the second air cushion, and 13 is the 3rd air cushion, and 21 is the first supporting construction, and 22 is second
Supporting construction, 23 is the 3rd supporting construction, and 3 is connector, and 4 is article to be damped, and 5 is parachute；
211 is the first outer end, and 212 is the first stage casing, and 213 is first the inner, and 214 is the first grid；
221 is the second outer end, and 222 is the second stage casing, and 223 is second the inner, and 224 is the second grid；
231 is the 3rd outer end, and 232 is the 3rd stage casing.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with in the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, the most identical or class
As label represent same or similar element or there is the element of same or like function.Described embodiment is the present invention
A part of embodiment rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to use
In explaining the present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and is described in detail embodiments of the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of and describe the present invention and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protect the present invention
The restriction of scope.
Below by embodiment, the present invention is described in further details.
Present invention firstly provides a kind of shock loading and slow down assembly, including at least two air cushion and be arranged on any gas
Supporting mechanism on pad, described air cushion includes surface and is surrounded the cavity formed by described surface, described surface is provided with
Air inlet, the cavity volume that each described air cushion is formed is different, and the less air cushion of cavity volume is built in cavity volume relatively
In big air cushion, forming gap between adjacent two outer air cushions and interior air cushion, the air inlet of each described air cushion is positioned at same axle
On line, described supporting mechanism is tubular structure, and its stage casing is fixed at the air inlet of air cushion, and adjacent in being arranged on this air cushion
Air cushion air inlet at extend formed the inner, at the air inlet being arranged on air cushion adjacent outside this air cushion extend formed outside
End, described the inner is provided with female thread, and described outer end is provided with external screw thread, opens at the barrel between described inner and described stage casing
Have some passages, described shock loading to slow down assembly also to include sealing structure, it is possible to seal described air inlet.
The present embodiment illustrates as a example by three layers of air cushion, and after being inflated three air cushions, it is formed as described in Figure 1
Structure, the 3rd air cushion 13 is built in the cavity that the second air cushion 12 is formed, and the second air cushion 12 is built in the first air cushion 11
In the cavity formed, and the cavity that the first air cushion 11 is formed is maximum, and the cavity that the second air cushion 12 is formed takes second place, the 3rd air cushion 13 shape
The cavity become is minimum, and the first supporting construction 21 is fixed at the air inlet of the first air cushion 11, and the second supporting construction 22 is fixed on the
At the air inlet of two air cushions 12, the 3rd supporting construction 23 is fixed at the air inlet of the 3rd air cushion 13.In alternate embodiment, for
Strengthen and slow down effect, it is also possible to filling sponge material in the air cushion cavity of innermost layer, to substitute gas.Three air cushions are by propping up
Support structure is attached, and this supporting construction has the effect of dimension shape, it is ensured that can form closed cavity between three air cushions, from
And when this shock loading slow down structure suffer relatively strong impact force time, first offset part of impact force by outermost layer air cushion, the most again by
Impulsive force offset by the air cushion in intermediate layer, is finally offset impulsive force by the air cushion of innermost layer.
Fig. 2 gives the structural representation of supporting construction.As a example by three supporting constructions, each supporting construction can include
Stage casing, outer end, the inner and grid, with reference to Fig. 2, the first supporting construction 21 of setting at outermost layer air spring port, first
Support structure 21 is tubular structure, and its first stage casing 212 is fixed on the air inlet of the first air cushion 11, in the first supporting construction 21
Section 212 extends at the direction away from the first supporting construction and forms the first outer end, and this first outer end is not essential, if to be damped
Article (or the most protected article) be arranged in the cavity of the 3rd air cushion 13, then can be without the first outer end, such as Fig. 2 institute
Show if article to be damped are arranged on outside the first air cushion 11, then can have the first outer end 211, as it is shown on figure 3, this first
Outer end 211 is connected with connector 3 by the external screw thread arranged, and connects article to be damped further.
In like manner, the second stage casing 222 outer ring surface of the second supporting construction 22 becomes placed against in the air inlet of the second air cushion 12
At ring, the 3rd stage casing 223 outer ring surface of the 3rd supporting construction 23 becomes placed against at the air inlet of the 3rd air cushion 13, and, on
The inner ring surface place of being adjacent to stating stage casing and air inlet is sealed by modes such as adhesive tape, in alternate embodiment, it is also possible to pass through
Surface at air spring port is fixed on the middle section of each supporting construction above-mentioned by the modes such as heat treatment.
With continued reference to Fig. 2, the first supporting construction 21 extends formation at the air inlet of the second air cushion 22 from the first stage casing 212
First the inner 213, in general, a length of first air cushion 11 at the end points of first the inner, stage casing 212 to the first 213 is formed
The difference of cavity radius that formed with the second air cushion 12 of cavity radius, in like manner, from the end of second the inner, stage casing 222 to the second 223
The difference of the cavity radius that the cavity radius that a length of second air cushion 12 at Dian is formed is formed with the 3rd air cushion 13, it is possible to understand that
It is, when the surface of the second air cushion 12 contacts the end points of first the inner 213 of the first supporting construction 21, and when the 3rd air cushion 13
Surface when contacting the end points of second the inner 223 of the second supporting construction 22, three air cushions as shown in Figure 2 have concentric sky
Between position relationship, this way it is ensured that three air cushions are in addition to by supporting that structure is connected with each other, other surface will not connect
Touch, so that when outer layer air cushion is hit power when, impulsive force will not be transmitted by contacting with each other of surface.
With continued reference to Fig. 2, at first inner 213, it is provided with female thread, meanwhile, the second outer end of the second supporting construction 22
221 arrange external screw thread, and the external screw thread of the second outer end 221 of the second supporting construction 22 adapts to the of the first supporting construction 21
The female thread of one the inner 213, in like manner, the second supporting construction 22 extends setting at second inner 223 formed at the 3rd air cushion
Having female thread, meanwhile, the 3rd outer end 231 of the 3rd supporting construction 23 arranges external screw thread, and the 3rd of the 3rd supporting construction 23 the
The external screw thread of outer end 231 adapts to the female thread of second the inner 223 of the second supporting construction 22.
It is understood that by the annexation of above-mentioned internal and external threads it can be seen that described shock loading slows down assembly
Installation process as follows:
The first step, fixes the 3rd supporting construction 23 at the air inlet of the 3rd air cushion 13, by the air inlet of the second air cushion 12
The second supporting construction 22 is fixed at place, fixes the first supporting construction 21 by the air inlet of the first air cushion 11；
Second step, stretches into the second air cushion 12 by the 3rd air cushion 13 by the endoporus of the second supporting construction 22 on the second air cushion 12
Cavity in, and the 3rd supporting construction 23 on the 3rd air cushion 13 is tightened in the second supporting construction 22 second inner at；
3rd step, will be built-in with the second air cushion 12 of the 3rd air cushion 13 by the first supporting construction 21 on the first air cushion 11
Endoporus stretches in the cavity of the first air cushion 13, and the second supporting construction 22 on the second air cushion 12 is tightened in the first supporting construction
At the first of 21 is inner；
4th step, by the endoporus of the first supporting construction on the first air cushion 11 to each empty interacvity air-filling；
5th step, seals the 3rd air cushion the 13, second air cushion 12 and the first air cushion 11 successively.
It should be noted that for ensureing in the 4th step gas replenishment process, by the endoporus of the first supporting construction to each air cushion
In can inflate, the first supporting construction and the second supporting construction are respectively provided with passage, as in figure 2 it is shown, first support knot
Open hole on barrel between the first stage casing 212 and first the inner 213 of structure 21, form the first grid 214, in like manner, second
On barrel between the second stage casing 222 and second the inner 223 of supporting construction 22 open-minded, form the second grid 224, the 3rd supports
Grid can be set on the barrel of structure 23, it is also possible to is not provided with.
It is understood that in the present embodiment, the surface of described air cushion is made up of elastomeric material, or other have reversible
The strong flexible polymer material of deformation.Or other high resiliences and can produce relatively large deformation under external force, remove external force
The material of rear resilient.In the present embodiment, the cavity internal gas pressure of three air cushion formation is equal or slightly larger than external pressure.
It is understood that the surface structure of described air cushion is varied, when, after inflation, its cavity formed there is also many
Planting shape, the most spherical or column, for needing more anticyclonic air cushion in cavity, it typically uses chondritic the most steady
Fixed.
Another aspect of the present invention provides a kind of shock loading alleviative method, and article to be damped are arranged on punching as above
Hit in the cavity of innermost layer air cushion formation of Load alleviation assembly.As shown in Figure 4, the bottom of parachute 5 connects outermost layer air cushion
Air inlet at supporting construction, article 4 to be damped are arranged in the cavity of innermost layer air cushion.
Or, a kind of shock loading alleviative method article to be damped are arranged on shock loading as above and slow down assembly
Outside outermost layer air cushion, and it is provided with some described shock loadings on described article to be damped and slows down assembly.As it is shown in figure 5, fall
The fall bottom of umbrella 5 connects equipped with the parcel of article 4 to be damped, and the bottom of parcel arranges receiving chamber, and arranges at this receiving intracavity
There is multiple shock loading to slow down in assembly, this schematic diagram, give 4 shock loadings with two-layer air cushion structure and slow down group
Part.
The shock loading that the present invention provides slows down the material that slows down used in assembly and is mainly gas, does not use porous material
Material, spring and fluid, simple in construction, install and easy to maintenance, low cost, repeatable utilization, reduce waste of material.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit.To the greatest extent
The present invention has been described in detail by pipe with reference to previous embodiment, it will be understood by those within the art that: it is still
Technical scheme described in foregoing embodiments can be modified, or wherein portion of techniques feature is carried out equivalent replace
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (7)
1. a shock loading slows down assembly, it is characterised in that: include at least two air cushion and the support being arranged on air cushion
Mechanism, described air cushion includes surface and is surrounded the cavity formed by described surface, described surface is provided with air inlet, each institute
State the cavity volume that air cushion formed different, and the less air cushion of cavity volume be built in the air cushion that cavity volume is bigger,
Forming gap between adjacent two outer air cushions and interior air cushion, the air inlet of each described air cushion is positioned on same axis, described
Support mechanism is tubular structure, and its stage casing is fixed at the air inlet of air cushion, and the entering of air cushion adjacent in being arranged on this air cushion
Extend at QI KOU and form the inner, extend at the air inlet being arranged on air cushion adjacent outside this air cushion and form outer end, described the inner
Arranging female thread, described outer end is provided with external screw thread, has some passages at the barrel between described inner and described stage casing,
Described shock loading slows down assembly and also includes sealing structure, it is possible to seal described air inlet.
2. shock loading as claimed in claim 1 slows down assembly, it is characterised in that: the surface of described air cushion is by elastomeric material structure
Become.
3. shock loading as claimed in claim 1 slows down assembly, it is characterised in that: the cavity that the surface of described air cushion is formed is
Spherical.
4. shock loading as claimed in claim 1 slows down assembly, it is characterised in that: the cavity that the surface of described air cushion is formed is
Column.
5. shock loading as claimed in claim 1 slows down assembly, it is characterised in that: fill in the cavity of air cushion described in innermost layer
There is sponge material.
6. a shock loading alleviative method, it is characterised in that: article to be damped are arranged on institute as any one of claim 1-5
The shock loading stated slows down in the cavity of innermost layer air cushion formation of assembly.
7. a shock loading alleviative method, it is characterised in that: article to be damped are arranged on institute as any one of claim 1-5
The shock loading stated slows down outside the outermost layer air cushion of assembly, and is provided with some described shock loadings on described article to be damped
Slow down assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756816.6A CN106195094B (en) | 2016-08-29 | 2016-08-29 | A kind of shock loading slows down component and shock loading alleviative method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756816.6A CN106195094B (en) | 2016-08-29 | 2016-08-29 | A kind of shock loading slows down component and shock loading alleviative method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195094A true CN106195094A (en) | 2016-12-07 |
| CN106195094B CN106195094B (en) | 2018-06-05 |
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ID=58088713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756816.6A Active CN106195094B (en) | 2016-08-29 | 2016-08-29 | A kind of shock loading slows down component and shock loading alleviative method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301715A (en) * | 2019-07-10 | 2019-10-08 | 福建起步儿童用品有限公司 | A kind of air mattrens shoes |
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|---|---|---|---|---|
| CN1487216A (en) * | 2003-07-30 | 2004-04-07 | 上海理工大学附属工厂 | Turned pendulum type pneumatic vibration isolator |
| CN102352906A (en) * | 2011-07-16 | 2012-02-15 | 西南交通大学 | Free-film type anti-inclination air spring |
| EP1880880B1 (en) * | 2006-07-20 | 2012-10-17 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| DE102013202702A1 (en) * | 2013-02-20 | 2014-08-21 | Schaeffler Technologies Gmbh & Co. Kg | Traction-pressure rod for use as tie rod of motor car, has overload protection device arranged in bracket, where end portion of bracket is arranged in radial cross-cutting unit whose two sides are mounted on shearing elements by bracket |
| CN205190616U (en) * | 2015-11-25 | 2016-04-27 | 南京江凯汽车零部件有限公司 | Air spring of multilevel hierarchy |
-
2016
- 2016-08-29 CN CN201610756816.6A patent/CN106195094B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487216A (en) * | 2003-07-30 | 2004-04-07 | 上海理工大学附属工厂 | Turned pendulum type pneumatic vibration isolator |
| EP1880880B1 (en) * | 2006-07-20 | 2012-10-17 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| CN102352906A (en) * | 2011-07-16 | 2012-02-15 | 西南交通大学 | Free-film type anti-inclination air spring |
| DE102013202702A1 (en) * | 2013-02-20 | 2014-08-21 | Schaeffler Technologies Gmbh & Co. Kg | Traction-pressure rod for use as tie rod of motor car, has overload protection device arranged in bracket, where end portion of bracket is arranged in radial cross-cutting unit whose two sides are mounted on shearing elements by bracket |
| CN205190616U (en) * | 2015-11-25 | 2016-04-27 | 南京江凯汽车零部件有限公司 | Air spring of multilevel hierarchy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301715A (en) * | 2019-07-10 | 2019-10-08 | 福建起步儿童用品有限公司 | A kind of air mattrens shoes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106195094B (en) | 2018-06-05 |
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