CN106195094B - A kind of shock loading slows down component and shock loading alleviative method - Google Patents
A kind of shock loading slows down component and shock loading alleviative method Download PDFInfo
- Publication number
- CN106195094B CN106195094B CN201610756816.6A CN201610756816A CN106195094B CN 106195094 B CN106195094 B CN 106195094B CN 201610756816 A CN201610756816 A CN 201610756816A CN 106195094 B CN106195094 B CN 106195094B
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- Prior art keywords
- air cushion
- shock loading
- air
- cavity
- slows down
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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 loadings to slow down component and shock loading alleviative method, belongs to aeroelastic effect test technical field.The component includes at least two air cushions and the supporting mechanism being arranged on air cushion, the air cushion includes surface and surrounds the cavity formed by the surface, the smaller air cushion of cavity volume is built in the larger air cushion of cavity volume, gap is formed between two adjacent outer air cushions and interior air cushion, the supporting mechanism is tubular structure, each air cushion is carried out by d type by the connection mode of internal and external threads, and it can be inflated by the grid being disposed thereon into each cavity and gap, this slows down component and slows down shock loading intensity in a manner that two layers or multilayer air cushion are nested, it is effectively offset shock loading, protect article to be damped, it is simple in structure, it installs and easy to maintain.
Description
Technical field
The invention belongs to aeroelastic effect test technical fields, especially relate to a kind of shock loading and slow down component and impact
Load alleviation method.
Background technology
Article use or transportational process in, due to phenomena such as hitting can damage product, particularly in aviation field, air-drop
Article often generate larger shock loading when born, it is therefore desirable to subtracted by plastic material to carry out load to article
Slow, existing Load alleviation device is generally the elasticity of one or more individual layers or plastic item forms or use spring or oil
The modes such as liquid carry out Load alleviation.
The existing method for slowing down shock loading intensity, there are the problem of have：
1) shock loading is slowed down using individual layer air cushion, probability of damage is high, and individual layer air cushion fails immediately after damage；
2) shock loading is slowed down using multilayer series connection (parallel connection) air cushion, the shock loading intensity that each layer is subject to is the same, each layer
The probability being damaged is the same；
3) shock loading is slowed down using porous material, mostly disposable product, waste of materials；
4) shock loading is slowed down using design systems such as spring and fluid, complicated, installation and troublesome maintenance, cost
It is high.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of shock loadings to slow down component and shock loading alleviative method,
Applied to packaging, automobile, Aeronautics and Astronautics field, this slows down component in a manner that two layers or multilayer air cushion are nested to slow down punching
Hit the density of load.
Present invention firstly provides a kind of shock loadings to slow down component, including at least two air cushions and is arranged on air cushion
Supporting mechanism, the air cushion includes surface and surrounding the cavity formed by the surface, and air inlet is provided on the surface
Mouthful, the cavity volume that each air cushion is formed is different, and to be built in cavity volume larger for the smaller air cushion of cavity volume
In air cushion, adjacent two form gap between outer air cushion and interior air cushion, the air inlet of each air cushion is located on same axis,
The supporting mechanism is tubular structure, and the stage casing of tubular structure is fixed at the air inlet of air cushion, and to being arranged in the air cushion
Inner end is extended to form at the air inlet of adjacent air cushion, is extended to form to being arranged at the air inlet of air cushion adjacent outside the air cushion
Outer end, the inner end set internal thread, and the outer end is provided with external screw thread, is opened at the barrel between the inner end and the stage casing
There are several ventholes, the shock loading slows down component and further includes sealing structure, can seal the air inlet.
Preferably, the surface of the air cushion is made of rubber material.
In said program preferably, the cavity that the surface of the air cushion is formed is spherical.
In said program preferably, the cavity that the surface of the air cushion is formed is column.
In said program 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 is arranged on punching as described above
It hits in the cavity of innermost layer air cushion formation of Load alleviation component.
Alternatively, a kind of shock loading alleviative method article to be damped is arranged on shock loading as described above and slows down component
Several shock loadings, which are provided with, outside outermost layer air cushion, and on the article to be damped slows down component.
It is mainly gas that shock loading provided by the invention, which slows down the material that slows down used in component, without using porous material
Material, spring and fluid, it is simple in structure, it installs and easy to maintain, it is at low cost, it repeats and utilizes, reduce waste of material.
Description of the drawings
Fig. 1 is the structure diagram for the preferred embodiment that shock loading of the present invention slows down component.
Fig. 2 is the support construction schematic diagram of embodiment illustrated in fig. 1.
Fig. 3 is another support 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 component application signal
Figure.
Fig. 5 slows down component application for another shock loading of a preferred embodiment of shock loading alleviative method of the present invention and shows
It is intended to.
Wherein, 11 be the first air cushion, and 12 be the second air cushion, and 13 be the 3rd air cushion, and 21 be the first support construction, and 22 be second
Support construction, 23 be the 3rd support construction, and 3 be connector, and 4 be article to be damped, and 5 be parachute；
211 be the first outer end, and 212 be the first stage casing, and 213 be the first inner end, and 214 be the first grid；
221 be the second outer end, and 222 be the second stage casing, and 223 be the second inner end, and 224 be the second grid；
231 be the 3rd outer end, and 232 be the 3rd stage casing.
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or there is same or like element.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the scope of protection of the invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
The present invention is described in further details below by embodiment.
Present invention firstly provides a kind of shock loadings to slow down component, including at least two air cushions and is arranged on arbitrary gas
Supporting mechanism on pad, the air cushion include surface and surround the cavity formed by the surface, be provided on the surface
Air inlet, the cavity volume that each air cushion is formed is different, and the smaller air cushion of cavity volume be built in cavity volume compared with
In big air cushion, adjacent two form gap between outer air cushion and interior air cushion, the air inlet of each air cushion is located at same axis
On line, the supporting mechanism is tubular structure, and the stage casing of tubular structure is fixed at the air inlet of air cushion, and to being arranged on the gas
Inner end is extended to form at the air inlet of adjacent air cushion in pad, is extended to being arranged at the air inlet of air cushion adjacent outside the air cushion
Outer end is formed, the inner end is provided with internal thread, and the outer end is provided with external screw thread, the cylinder between the inner end and the stage casing
Several ventholes are provided at wall, the shock loading slows down component and further includes sealing structure, can seal the air inlet.
The present embodiment is illustrated by taking three layers of air cushion as an example, after being inflated to three air cushions, is formed as described in Figure 1
Structure, the 3rd air cushion 13 is built in the cavity of the second air cushion 12 formation, and the second air cushion 12 is built in the first air cushion 11
In the cavity of formation, 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, 13 shape of the 3rd air cushion
Into cavity it is minimum, the first support construction 21 is fixed at the air inlet of the first air cushion 11, and the second support construction 22 is fixed on the
At the air inlet of two air cushions 12, the 3rd support construction 23 is fixed at the air inlet of the 3rd air cushion 13.In alternate embodiment, it is
Enhancing slow down effect, can also in the air cushion cavity of innermost layer filling sponge material, to substitute gas.Three air cushions pass through branch
Support structure is attached, which plays an important role of to tie up shape, and ensure that can form closed cavity between three air cushions, from
And when the shock loading slows down structure by compared with strong impact force, first by outermost layer air cushion offset part of impact force, afterwards again by
The air cushion in interlayer offsets impact force, finally offsets impact force by the air cushion of innermost layer.
Fig. 2 gives the structure diagram of support construction.By taking three support constructions as an example, each support construction can include
Stage casing, outer end, inner end and grid, with reference to figure 2, the first support construction 21 for being set at outermost layer air spring port, first
Support structure 21 is tubular structure, and the first stage casing 212 is fixed on the air inlet of the first air cushion 11, from the first support construction 21
Section 212 to away from the first support construction direction at extend to form the first outer end, first outer end is not essential, if to be damped
Article (or referred to as 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 institutes
Show, if article to be damped is arranged on outside the first air cushion 11, can there is the first outer end 211, as shown in figure 3, this first
Outer end 211 is connected by the external screw thread of setting with connector 3, further connects article to be damped.
Similarly, 222 outer ring surface of the second stage casing of the second support construction 22 is become placed against in the air inlet of the second air cushion 12
At ring, 223 outer ring surface of the 3rd stage casing of the 3rd support construction 23 is become placed against at the air inlet of the 3rd air cushion 13, also, on
The inner ring surface place of being adjacent to for stating stage casing and air inlet is sealed by modes such as adhesive tape, in alternate embodiment, can also be passed through
Surface at air spring port is fixed on the middle section of above-mentioned each support construction by the modes such as heat treatment.
With continued reference to Fig. 2, the first support construction 21 is from the first stage casing 212 to extending to form at the air inlet of the second air cushion 22
In general first inner end 213, is formed from the length at the endpoint of 212 to the first inner end 213 of the first stage casing for the first air cushion 11
Cavity radius and the second air cushion 12 formed cavity radius difference, similarly, from the end of 222 to the second inner end 223 of the second stage casing
Length at point is the difference of the cavity radius that the second air cushion 12 is formed and the cavity radius that the 3rd air cushion 13 is formed, it is possible to understand that
It is, when the endpoint for the first inner end 213 that the surface of the second air cushion 12 contacts the first support construction 21 and when the 3rd air cushion 13
Surface the second inner end 223 for contacting the second support construction 22 endpoint when, three air cushions as shown in Figure 2 have concentric sky
Between position relationship, this way it is ensured that three air cushions except through support structure be connected with each other beyond, other surfaces will not connect
Touch so that when outer layer air cushion is hit power, will not by surface contact with each other transfer impact force.
With continued reference to Fig. 2, internal thread is provided at the first inner end 213, meanwhile, the second outer end of the second support construction 22
221 set external screw threads, and the external screw thread of the second outer end 221 of the second support construction 22 adapts to the of the first support construction 21
The internal thread of one inner end 213, similarly, the second support construction 22 is to setting at the second inner end 223 extended to form at the 3rd air cushion
There is internal thread, meanwhile, the 3rd outer end 231 of the 3rd support construction 23 sets external screw thread, and the 3rd of the 3rd support construction 23
The external screw thread of outer end 231 adapts to the internal thread of the second inner end 223 of the second support construction 22.
It is understood that can be seen that the shock loading by the connection relation of above-mentioned internal and external threads slows down component
Installation process it is as follows：
The first step will fix the 3rd support construction 23 at the air inlet of the 3rd air cushion 13, by the air inlet of the second air cushion 12
The second support construction 22 is fixed at place, will fix the first support construction 21 at the air inlet of the first air cushion 11；
3rd air cushion 13 is stretched into the second air cushion 12 by second step by the endoporus of the second support construction 22 on the second air cushion 12
Cavity in, and the 3rd support construction 23 on the 3rd air cushion 13 is tightened at the second inner end of the second support construction 22；
The second air cushion 12 for being built-in with the 3rd air cushion 13 is passed through the first support construction 21 on the first air cushion 11 by the 3rd step
Endoporus is stretched into the cavity of the first air cushion 13, and the second support construction 22 on the second air cushion 12 is tightened in the first support construction
At 21 the first inner end；
4th step, by the endoporus of the first support construction on the first air cushion 11 to each empty interacvity air-filling；
5th step seals the 3rd air cushion 13, the second air cushion 12 and the first air cushion 11 successively.
It should be noted that ensure in the 4th step gas replenishment process, by the endoporus of the first support construction to each air cushion
It is interior to inflate, venthole is respectively provided in the first support construction and the second support construction, as shown in Fig. 2, in the first support knot
Hole is opened on barrel between the first stage casing 212 and the first inner end 213 of structure 21, the first grid 214 is formed, similarly, second
It is open-minded on barrel between the second stage casing 222 and the second inner end 223 of support construction 22, form the second grid 224, the 3rd support
Grid on the barrel of structure 23 can be set, can not also be set.
It is understood that in the present embodiment, the surface of the air cushion is made of rubber material or other are with reversible
The strong flexible polymer material of deformation.Or other high resiliences and can be generated under external force compared with large deformation, remove external force
The material of resilient afterwards.In the present embodiment, in the cavity that three air cushions are formed air pressure be equal or slightly larger than external pressure.
It is understood that the surface structure of the air cushion is varied, after inflation, there is also more for the cavity formed
Kind shape, such as spherical or column, it is generally more steady using chondritic for needing more anticyclonic air cushion in cavity
It is fixed.
Another aspect of the present invention provides a kind of shock loading alleviative method, and article to be damped is arranged on punching as described above
It hits in the cavity of innermost layer air cushion formation of Load alleviation component.As shown in figure 4, the bottom connection outermost layer air cushion of parachute 5
Air inlet at support construction, article 4 to be damped is arranged in the cavity of innermost layer air cushion.
Alternatively, a kind of shock loading alleviative method article to be damped is arranged on shock loading as described above and slows down component
Several shock loadings, which are provided with, outside outermost layer air cushion, and on the article to be damped slows down component.As shown in figure 5, drop
Fall package of the bottom connection equipped with article 4 to be damped of umbrella 5, the bottom of package sets accommodating chamber, and is set in the accommodating chamber
There are multiple shock loadings to slow down component, in this schematic diagram, give 4 shock loadings with two layers of air cushion structure and slow down group
Part.
It is mainly gas that shock loading provided by the invention, which slows down the material that slows down used in component, without using porous material
Material, spring and fluid, it is simple in structure, it installs and easy to maintain, it is at low cost, it repeats and utilizes, reduce waste of material.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from the essence of various embodiments of the present invention technical solution
God and scope.
Claims (7)
1. a kind of shock loading slows down component, it is characterised in that：Including at least two air cushions and the support being arranged on air cushion
Mechanism, the air cushion include surface and surround the cavity formed by the surface, and air inlet, each institute are provided on the surface
It is different to state the cavity volume of air cushion formation, and the smaller air cushion of cavity volume is built in the larger air cushion of cavity volume,
Gap is formed between two adjacent outer air cushions and interior air cushion, the air inlet of each air cushion is located on same axis, the branch
Support mechanism is tubular structure, and the stage casing of tubular structure is fixed at the air inlet of air cushion, and adjacent in the air cushion to being arranged on
Inner end is extended to form at the air inlet of air cushion, outer end is extended to form to being arranged at the air inlet of air cushion adjacent outside the air cushion,
The inner end sets internal thread, and the outer end is provided with external screw thread, if being provided at the barrel between the inner end and the stage casing
Dry venthole, the shock loading slow down component and further include sealing structure, can seal the air inlet.
2. shock loading as described in claim 1 slows down component, it is characterised in that：The surface of the air cushion is by rubber material structure
Into.
3. shock loading as described in claim 1 slows down component, it is characterised in that：The cavity that the surface of the air cushion is formed is
It is spherical.
4. shock loading as described in claim 1 slows down component, it is characterised in that：The cavity that the surface of the air cushion is formed is
Column.
5. shock loading as described in claim 1 slows down component, it is characterised in that：Filling in the cavity of air cushion described in innermost layer
There is sponge material.
6. a kind of shock loading alleviative method, it is characterised in that：Article to be damped is arranged on such as any one of claim 1-5 institutes
In the cavity that the innermost layer air cushion that the shock loading stated slows down component is formed.
7. a kind of shock loading alleviative method, it is characterised in that：Article to be damped is arranged on such as any one of claim 1-5 institutes
The shock loading stated slows down outside the outermost layer air cushion of component, and several shock loadings are provided on the article to be damped
Slow down component.
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 |
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| Publication Number | Publication Date |
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| CN106195094A CN106195094A (en) | 2016-12-07 |
| CN106195094B true CN106195094B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (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 | Air cushion shoes |
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 |
| 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 |
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| CN106195094A (en) | 2016-12-07 |
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