CN108638593A - A kind of honeycomb damping particles impact slowing device - Google Patents
A kind of honeycomb damping particles impact slowing device Download PDFInfo
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- CN108638593A CN108638593A CN201810195847.8A CN201810195847A CN108638593A CN 108638593 A CN108638593 A CN 108638593A CN 201810195847 A CN201810195847 A CN 201810195847A CN 108638593 A CN108638593 A CN 108638593A
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- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/01—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of honeycomb damping particles impact slowing device, is related to payload and carrier rocket connection area；Including 2 annular connection frames, the double-deck annular panel, damping particles, annular honeycomb and securing member；Wherein, 2 annular connection vertically symmetrical placements of frame；And there are spacing between 2 annular connection frames；Annular honeycomb is fixedly mounted on vertically between 2 annular connection frames；Damping particles are filled between annular honeycomb；The double-deck annular panel is fixedly mounted on the lateral wall of 2 annular connection frames；And the double-deck annular panel connect frame with 2 annulars and surrounds enclosure space；Annular honeycomb is wrapped in inside；The double-deck annular panel is fixedly connected between connecting frame with annular by securing member；The present invention has the advantages that effect of vibration and noise reduction is notable, environmental suitability is strong, it is wide to be applicable in frequency domain and multidirectional decaying.
Description
Technical field
The present invention relates to a kind of payload and carrier rocket connection area, especially a kind of honeycomb damping particles impact subtracts
Buffering apparatus.
Background technology
The impact for the larger magnitude brought when existing expansion tube-concave-board separated structure work.Previous common separation dress
Set its bearing capacity, coupling stiffness is difficult to meet the mission need of new payload, but expansion tube-concave-board separated structure generation
Impact, many instrument and equipments are difficult to adapt in payload, be may result in standalone architecture and are destroyed or the problems such as precision reduces.
For the problem, on the one hand impact can be reduced from impact source, it on the other hand can be from impact transmission path decaying
Impact.Reducing the impact on source also has multiple approach, but many means can bring new problem, such as reduce the dress of priming system
Dose, increase separating plate and flat tube distance etc., which can reduce, detaches nargin, and structural-load-carrying capacity can be influenced by reducing separation thickness.Cause
This, the method that this patent is decayed using impact transmission path.
Conventional method by impacting transmission path decaying impact is to propagate barrier by increasing the propagation distance of wave and setting
Hinder and realize drop punching, energy only shifts in time or space, without dissipating, such as：Pass through multilayer different densities material
Impedance increases design obstacle etc. in impact transmission path or transmission path, and it is limited that drop, which rushes effect, and may
Because energy leads to the problem of new from high frequency to low-frequency transfer.Or using soft low density material and structures such as rubber pads, slow down
Impact but greatly reduces the fundamental frequency of structure.These problems are all unacceptable.
Compared to traditional scheme, by using the gap of structure itself, being filled with can be with the damping of dissipation energy
Grain.Damping particles are by intergranular friction and inelastic collision rapidly by energy dissipation.It is previous that particle damps impact-attenuating
Be mostly used in civilian industry, the fields such as military project, space flight using less, have application individually be usually by damping particles in box
(claiming damper after the box of dress particle damping), then by damper and be connected in structure, knot of this structure with respect to this patent
Structure has the disadvantages that：
1, architecture quality is big, and the box and connector in damper are all excess weights；
2, drop rushes that efficiency is low, and under phase homogenous quantities, particle damping weight ratio is small, and energy attenuation is few；
3, it is discontinuous to rush structure for drop, and damper is connected as dotted connection with structure, region between points, and impact declines
Decreasing effect fruit is poor.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of impact of honeycomb damping particles is provided and slows down dress
It sets, has the advantages that effect of vibration and noise reduction is notable, environmental suitability is strong, it is wide to be applicable in frequency domain and multidirectional decaying.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of honeycomb damping particles impact slowing device, including 2 annular connection frames, the double-deck annular panel, damping particles,
Annular honeycomb and securing member；Wherein, 2 annular connection vertically symmetrical placements of frame；And it is stayed between 2 annular connection frames
There is spacing；Annular honeycomb is fixedly mounted on vertically between 2 annular connection frames；Damping particles are filled in annular honeycomb
Between；The double-deck annular panel is fixedly mounted on the lateral wall of 2 annular connection frames；And the double-deck annular panel is connect with 2 annulars
Frame surrounds enclosure space；Annular honeycomb is wrapped in inside；Pass through connection between the double-deck annular panel and annular connection frame
Fastener is fixedly connected.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the annular connection frame uses aluminum alloy materials；
The vertical section of annular connection frame is one kind in L-type, T fonts, a perpendicular type or fork type；Between between 2 annular connection frames
Away from for 65-85mm.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the double-deck annular panel uses carbon fiber composite
Material；The thickness of single layer annular panel is 2-4mm.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the side of the single layer annular panel is rectangle shape
Shape；The rectangular cross-section of single layer annular panel or trapezoidal shape；Single layer annular panel is by an entire panel or multiple panel blocks
Splicing composition.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the annular honeycomb vertical height is 65-
85mm；Thickness is 5-8mm.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the honeycomb hole inside the annular honeycomb is just
Hexagonal structure；The length of side of honeycomb hole is 4-6mm；The wall thickness of honeycomb hole is 0.4-0.6mm.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the damping particles use Steel material；Each damping
Particle diameter is 0.5-5mm；The filling rate of damping particles is 60-110% in each honeycomb hole.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, the quiet bearing capacity of the impact slowing device converts into axis
Pressure is more than or equal to 310 tons；Quiet bearing capacity, which converts into axis and draws, is more than or equal to 240 tons；The impact slowing device is in the curved of 100tm
Under square effect, lateral displacement is less than or equal to 0.05mm.
Slowing device is impacted in a kind of above-mentioned honeycomb damping particles, is adopted than not using the impact peak value of impact slowing device
40%-60% is reduced with the impact peak value of impact slowing device.
The present invention has the following advantages that compared with prior art：
(1) present invention does not change the performances such as original structure separation, carrying and structure fundamental frequency, realizes impact-attenuating；
(2) be suitable for it is multi-direction, from low to high, from low amounts grade to high-magnitude various situations impact-attenuating；
(3) designability of the present invention is strong.Honeycomb height, thickness, the material of panel connect the form of frame, damping particles
Material, size, filling proportion etc. can design；
(4) present invention drop target efficiency is high, and three-dimensional impacts spectrum peak and is down to 2800g by original 7200g, impacts spectrum peak
Decay 60%.
Description of the drawings
Fig. 1 is honeycomb damping particles solution structure schematic cross-section of the present invention.
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments：
The present invention is directed to design to remove a kind of performance not changing original device, such as load-carrying properties, separating property, structure base
Frequently, it is not limited to point type or wire type separator, effect of vibration and noise reduction is notable, environmental suitability is strong, it is wide and multi-direction to be applicable in frequency domain
Property decaying impact slowing device.
This patent organization plan generally honeycomb sandwich construction, intermediate interposition honeycomb, both sides be honeycomb panel, upper and lower two
End is connection frame.Honeycomb is Nian Jie with the panel of both sides, and both sides panel is to be bolted with frame is vertically connected with.Each honeycomb lattice are built-in
There are damping particles.Fig. 1 is shown in structural section signal.The structure realizes that the principle that impact slows down includes two aspects：
1, mainly pass through (composite material face and upper and lower side frame) between two rows of radial bolts and part when shock wave transmits
What effective contact surface was transmitted, direction and the direction that wave is propagated of screw orientation and contact surface are vertical, and primitive axis is to pressure
Contracting wave becomes shearing wave, makes impact-attenuating；
2, honeycomb is used between two rows of radial bolts, by using the gap of structure itself, being filled with can be with
The damping particles of dissipation energy.Damping particles are by intergranular friction and inelastic collision rapidly by energy dissipation.
It is honeycomb damping particles solution structure schematic cross-section as shown in Figure 1, as seen from the figure, a kind of honeycomb damping particles impact
Slowing device, including 2 annular connection frames 1, the double-deck annular panel 2, damping particles 3, annular honeycomb 4 and securing member
5；Wherein, 2 annular connection 1 vertically symmetrical placements of frame；And there are spacing between 2 annular connection frames 1；Annular honeycomb 4
It is vertical to be fixedly mounted between 2 annular connection frames 1；Damping particles 3 are filled between annular honeycomb 4；The double-deck annular surface
Plate 2 is fixedly mounted on the lateral wall of 2 annular connection frames 1；And the double-deck annular panel 2 connect frame 1 with 2 annulars and surrounds closing sky
Between；Annular honeycomb 4 is wrapped in inside；It is solid by securing member 5 between the double-deck annular panel 2 and annular connection frame 1
Fixed connection.Panel 2 and connection frame 1 type of attachment, can be bolt, rivet or bonding, can be it is single or multiple rows of,
Can 2 panels 2 to connect frame 1 with one be an entirety, connecting frame 2 certain certain form with another connects, and can be one
It is whole to open panel 2 with one of frame 1 that connect, and is connected with axial symmery shape.
Wherein, annular connection frame 1 uses aluminum alloy materials；The vertical section of annular connection frame 1 is L-type, T fonts, perpendicular one
One kind in type or fork type；Spacing between 2 annular connection frames 1 is 65-85mm.
The double-deck annular panel 2 uses carbon fibre composite；The thickness of single layer annular panel is 2-4mm.Single layer annular surface
The side of plate is rectangular shape；The rectangular cross-section of single layer annular panel or trapezoidal shape；Single layer annular panel is by a monoblock
Panel or multiple panel blocks splicing composition.
4 vertical height of annular honeycomb is 65-85mm；Thickness is 5-8mm.Honeycomb hole inside annular honeycomb 4
For regular hexagon structure；The length of side of honeycomb hole is 4-6mm；The wall thickness of honeycomb hole is 0.4-0.6mm.The length of side of honeycomb hole, foil
Thickness and material, external form, height and the thickness of honeycomb can need to change according to using；
Damping particles 3 use Steel material；3 a diameter of 0.5-5mm of each damping particles；Damping particles 3 in each honeycomb hole
Filling rate be 60-110%.Damping particles material can be metal, nonmetallic or mixing, and diameter dimension is from φ 0.5- φ 10mm
Between, filling proportion is from 1%-95%；
It impacts the quiet bearing capacity of slowing device and converts into axis pressure more than or equal to 310 tons；Quiet bearing capacity convert into axis widen in etc.
In 240 tons；For the impact slowing device under the Moment of 100tm, lateral displacement is less than or equal to 0.05mm.Using impact
The impact peak value of slowing device is not than using the impact peak value of impact slowing device to reduce 40%-60%；And without in low-frequency range
Jump problem.
The three-dimensional that honeycomb damping particles impact slowing device impacts spectrum analysis：
X-direction, which is the axial direction of loop configuration and major skock direction, low, corresponding two peak values of high frequency, substantially river
All, high frequency peaks are down to 2400g by 7200g, and peak value is down to 800g by 3100g at low frequency；
Y-direction is that loop configuration is tangential, and peak value is down to 2800g by 3500g.Drop rushes effect not as good as X is to but overall magnitude is not
Greatly；
Z-direction is the radial direction of loop configuration, and impact spectrum peak decays to 2000g by 4000g, and extinction efficiency is relatively high.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.
Claims (9)
1. a kind of honeycomb damping particles impact slowing device, it is characterised in that：Including 2 annular connection frames (1), the double-deck annular surface
Plate (2), damping particles (3), annular honeycomb (4) and securing member (5)；Wherein, 2 annular connection frames (1) are vertical right
Claim to place；And there are spacing between 2 annular connection frames (1)；Annular honeycomb (4) is fixedly mounted on 2 annulars even vertically
It connects between frame (1)；Damping particles (3) are filled between annular honeycomb (4)；The double-deck annular panel (2) is fixedly mounted on 2
The lateral wall of annular connection frame (1)；And the double-deck annular panel (2) connect frame (1) with 2 annulars and surrounds enclosure space；It will be annular
Honeycomb (4) is wrapped in inside；The double-deck annular panel (2) is fixed by securing member (5) between connecting frame (1) with annular
Connection.
2. a kind of honeycomb damping particles according to claim 1 impact slowing device, it is characterised in that：The annular is even
It connects frame (1) and uses aluminum alloy materials；The vertical section of annular connection frame (1) is one in L-type, T fonts, a perpendicular type or fork type
Kind；Spacing between 2 annular connection frames (1) is 65-85mm.
3. a kind of honeycomb damping particles according to claim 1 impact slowing device, it is characterised in that：The double-deck annular
Panel (2) uses carbon fibre composite；The thickness of single layer annular panel is 2-4mm.
4. a kind of honeycomb damping particles according to claim 3 impact slowing device, it is characterised in that：The single layer annular
The side of panel is rectangular shape；The rectangular cross-section of single layer annular panel or trapezoidal shape；Single layer annular panel is whole by one
Block panel or multiple panel blocks splicing composition.
5. a kind of honeycomb damping particles according to claim 1 impact slowing device, it is characterised in that：The annular honeycomb
Structure (4) vertical height is 65-85mm；Thickness is 5-8mm.
6. a kind of honeycomb damping particles according to claim 5 impact slowing device, it is characterised in that：The annular honeycomb
The internal honeycomb hole of structure (4) is regular hexagon structure；The length of side of honeycomb hole is 4-6mm；The wall thickness of honeycomb hole is 0.4-
0.6mm。
7. a kind of honeycomb damping particles according to claim 6 impact slowing device, it is characterised in that：The damping particles
(3) Steel material is used；Each damping particles (3) a diameter of 0.5-5mm；The filling rate of damping particles (3) is in each honeycomb hole
60-110%.
8. a kind of honeycomb damping particles according to one of claim 1-7 impact slowing device, it is characterised in that：The punching
It hits the quiet bearing capacity of slowing device and converts into axis pressure more than or equal to 310 tons；Quiet bearing capacity, which converts into axis and draws, is more than or equal to 240 tons；Institute
Impact slowing device is stated under the Moment of 100tm, lateral displacement is less than or equal to 0.05mm.
9. a kind of honeycomb damping particles according to claim 8 impact slowing device, it is characterised in that：Slowed down using impact
The impact peak value of device is not than using the impact peak value of impact slowing device to reduce 40%-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195847.8A CN108638593A (en) | 2018-03-09 | 2018-03-09 | A kind of honeycomb damping particles impact slowing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195847.8A CN108638593A (en) | 2018-03-09 | 2018-03-09 | A kind of honeycomb damping particles impact slowing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631689A (en) * | 2019-01-16 | 2019-04-16 | 北京宇航系统工程研究所 | A kind of interface connection structure reducing multiband, the impact of big magnitude |
| CN110285176A (en) * | 2019-07-19 | 2019-09-27 | 厦门大学 | Firer based on anti-wavelength characteristic separates drop percussion mechanism and its preparation process |
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| CN101830084A (en) * | 2009-11-10 | 2010-09-15 | 梁森 | Novel powder impact damping honeycomb sandwich structure |
| CN103292641A (en) * | 2013-05-10 | 2013-09-11 | 北京宇航系统工程研究所 | Explosive separation device used for longitudinal separation of fairing |
| CN203543225U (en) * | 2013-09-02 | 2014-04-16 | 江苏大学 | Composite damping vibration attenuation honeycomb sandwich plate |
| CN105711856A (en) * | 2016-04-13 | 2016-06-29 | 中国人民解放军国防科学技术大学 | Multifunctional star arrow adapter |
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2018
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|---|---|---|---|---|
| EP1002717A2 (en) * | 1998-11-18 | 2000-05-24 | Construcciones Aeronauticas, S.A. | A system for the modification of the rigidity/damping properties of structural joints |
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|---|---|---|---|---|
| CN109631689A (en) * | 2019-01-16 | 2019-04-16 | 北京宇航系统工程研究所 | A kind of interface connection structure reducing multiband, the impact of big magnitude |
| CN109631689B (en) * | 2019-01-16 | 2021-05-04 | 北京宇航系统工程研究所 | Interface connection structure capable of reducing multi-frequency-band and large-scale impact |
| CN110285176A (en) * | 2019-07-19 | 2019-09-27 | 厦门大学 | Firer based on anti-wavelength characteristic separates drop percussion mechanism and its preparation process |
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Application publication date: 20181012 |