CN105889384A - A metal rubber combination shock absorber - Google Patents
A metal rubber combination shock absorber Download PDFInfo
- Publication number
- CN105889384A CN105889384A CN201410468301.7A CN201410468301A CN105889384A CN 105889384 A CN105889384 A CN 105889384A CN 201410468301 A CN201410468301 A CN 201410468301A CN 105889384 A CN105889384 A CN 105889384A
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- metal
- rubber
- vibroshock
- central shaft
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Abstract
The invention provides a metal rubber combination shock absorber comprising a shell, a bottom cover, a central shaft, a metal rubber buffer element, a metal rubber shock absorbing element, a connecting sleeve, a clamp ring, a self-tapping screw and a gasket. The metal rubber combination shock absorber is prevented from generating greater plastic deformation under the action of greater impact loads and ceasing to function in a satellite launching boost phase, can reduce the vibration information of satellite micro-vibration mechanical environment on satellite-borne effective loads in a satellite in-orbit operation phase, and the working performance is improved effectively. The metal rubber combination shock absorber has the advantages of simple structure, small size, light weight, remarkable shock absorption and buffer effect, great environmental suitability, stable performance and long service life, and can meet the restrictions on and requirements for satellite micro-vibration mechanical environment posed by satellite-borne effective loads of China, such as high-resolution remote sensors and high-pointing accuracy apparatuses.
Description
Technical field
The invention belongs to a kind of damping buffer device, particularly to one spaceborne payload under micro-vibration mechanics environment on star
The metal-rubber combination vibroshock of vibration reduction and cushioning.
Background technology
Satellite period in orbit, spaceborne all kinds of rotatable parts high-speed rotation, spaceborne all kinds of large-scale controlled member driving mechanism work,
The turnover shade alternating hot and cold induction of spaceborne all kinds of large-scale flexible components, and become during rail posture adjustment thruster work etc. and make celestial body produce
The buffeting a little that a kind of amplitude is less, frequency is higher, spaceborne optics payload and precision instrument and equipment are to this micro-vibration extremely
Sensitivity, has a strong impact on the pointing accuracy of spaceborne payload, degree of stability and image quality, reduces the important performance indexes such as resolution.
Therefore, for solving micro-vibration mechanics environment impact on spaceborne payload on Duan Xing in orbit, it is badly in need of developing one for star
Carry the vibration absorber of payload, to meet Chinese spaceborne payload, if high resolution remote sensing device and high pointing accuracy equipment are to star
The restriction of upper micro-vibration mechanics environment and requirement.
Additionally, space structure has strict requirements to damping material, particularly high orbit satellite, venting and the radioprotective to material
Requirement the highest, rubber type of material is difficult to meet requirement.Metal-rubber is a kind of elastic porous material, by the different trades mark with straight
The fine wire in footpath is prepared through helical coil coiling, screw roll fixed pitch stretching, blank, cold stamping shaped, post processing etc. is a series of
Technique is prepared from, and has the physical and mechanical properties that the high resiliency as rubber, big damping characteristic and metal are excellent, in a vacuum
Non-volatile, do not fear radiation environment, resistance to high/low temperature, corrosion-resistant, and the fatigue aging life-span is long, is the specific necks such as Aeronautics and Astronautics
The best substitute of rubber in territory.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, volume is little, lightweight, has the vibration reduction and cushioning performance of excellence, and
Good environmental adaptability, stable performance, service life, the metal-rubber of length combined vibroshock, to solve spaceborne payload, such as height
Differentiate remote sensor and high pointing accuracy equipment to the restriction of vibration mechanics environment micro-on star and requirement.
The object of the present invention is achieved like this: a kind of metal-rubber combination vibroshock, includes:
Prevent vibroshock from causing the metal-rubber buffer element of inefficacy because bearing greater impact load for satellite launch powered phase；
For the satellite section in orbit metal-rubber damping element to being carried out three-dimensional vibration damping by damping body；
For containing, protect described metal-rubber buffer element, and the housing that vibroshock is fixed on matrix；
For sealing described housing, and described metal-rubber buffer element is supported and the bottom of pretension；
For installing described metal-rubber buffer element and the central shaft of metal-rubber damping element；
For the adapter sleeve being connected on vibroshock by damping body；
For described metal-rubber damping element is fixed snap ring on the housing and tapping screw；And
For the packing ring that described metal-rubber damping element is supported.
Described housing profile is cylindrical, and with multistage convex shoulder, inside is cylindrical cavity, is used for containing, protecting described metal
Rubber buffer element, described housing cavity bottom is threaded；It is evenly equipped with cylindrical hole on described housing bottom end face, this
During invention application, vibroshock is fixed on matrix by described housing by bolt；Radially it is evenly equipped with on described housing central section convex shoulder
Cylindrical hole, is used for fixing described metal-rubber damping element.
Described bottom is cylindrical, and end face band is fluted, and outer surface is threaded, and is connected as one by screw thread and described housing
Body, and the metal-rubber buffer element of described enclosure interior is supported and pretension.
Described metal-rubber buffer element is made up of two identical hollow cylinder metal-rubber components, and rigidity is relatively big, is used for holding
It is subject to by the dead load of damping body, and prevents vibroshock in bigger shock loading (generally 12g) in satellite launch powered phase
Effect is lower to be produced bigger plastic deformation and lost efficacy.
Described central shaft is cylindrical, and middle part is with convex shoulder, and described metal-rubber buffer element symmetry is sleeved on described center crown of roll
Shoulder both sides；Described central shaft head is machined with external screw thread, is connected with described adapter sleeve by screw thread.
Described adapter sleeve profile is cylindrical, and inside is threaded hole.When the present invention applies, by damping body by described adapter sleeve
It is connected on described central shaft.
Described metal-rubber damping element is thin-wall semi shape, and rigidity is less, and three-way rigidity is identical, for satellite in orbit
Section reduces micro-vibration (generally 0.1g) mechanical environment on star, on spaceborne optics payload and the impact of precision instrument and equipment, to be had
Effect ground improves its service behaviour.
Described metal-rubber damping element end face is plane, is enclosed within described central shaft by the centre bore of end face, and lower end is with described
Packing ring is supported；Described metal-rubber damping element bottom circular open ends is enclosed within the convex shoulder of described housing central section, and uses institute
State snap ring banding.
The manufacture method of described metal-rubber buffer element and metal-rubber damping element sees patent and " prepares metal rubber material structure
The weaving method of part " (Patent No. 200410028838.8, publication date is on 01 18th, 2004).
Described snap ring is thin-wall metal circular ring, and outer surface is radially evenly equipped with cylindrical hole.
During vibroshock assembling, the radial direction through hole on described snap ring aligns installation with the radial direction through hole on described housing central section convex shoulder, institute
State tapping screw to screw in from the radial direction through hole of described snap ring, described metal-rubber damping element is fixed on described housing and snap ring it
Between.
The present invention uses metal-rubber component to be used for satellite launch master as buffer element and damping element, metal-rubber buffer element
Dynamic section prevents vibroshock from producing bigger plastic deformation under greater impact load effect and losing efficacy, and metal-rubber damping element is used for
Reduce micro-vibration mechanics environment vibration effect to spaceborne payload on Duan Xing in orbit, be effectively improved its service behaviour, and
And give full play to that metal rubber material is the most non-volatile, radioprotective, resistance to high/low temperature, the performance such as corrosion-resistant, there is structure letter
The features such as single, volume is little, lightweight, damping cushion effect notable, good environmental adaptability, stable performance, length in service life,
Meet Chinese spaceborne payload, the restriction to vibration mechanics environment micro-on star such as high resolution remote sensing device and high pointing accuracy equipment
With require.
Description of drawings 1 is the structural representation of the present invention；
Fig. 2 is the top view of Fig. 1.
In figure, each list of reference numerals is: 1, bottom；2, tapping screw；3, metal-rubber buffer element；4, housing；5, connect
Set；6, central shaft；7, packing ring；8, metal-rubber damping element；9, snap ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of metal-rubber combination vibroshock of the present invention, include: housing 4, bottom 1, center
Axle 6, metal-rubber buffer element 3, metal-rubber damping element 8, adapter sleeve 5, packing ring 7, snap ring 9 and tapping screw 2.
Housing 4, bottom 1, central shaft 6, adapter sleeve 5, packing ring 7 and snap ring 9 all use titanium alloy to be prepared from, and are ensureing
Weight is alleviated under conditions of vibroshock intensity.
As depicted in figs. 1 and 2, housing 4 profile is cylindrical, and with multistage convex shoulder, inside is cylindrical cavity, is used for
Containing, protect metal-rubber buffer element 3, housing 4 inner chamber bottom is also threaded；It is evenly equipped with on housing 4 bottom end face
Cylindrical hole, when the present invention applies, vibroshock is fixed on matrix by housing 4 by bolt；Edge on convex shoulder in the middle part of housing 4
Radial equipartition has cylindrical hole, is used for fixing metal-rubber damping element 8.
As it is shown in figure 1, bottom 1 is cylindrical, end face center is machined with cylinder shape groove, and outer surface is threaded.Vibration damping
During device assembling, the bottom 1 screwed hole from housing 4 inner chamber bottom screws in, and connects as one with housing 4, and to being installed on housing
Metal-rubber buffer element 3 within 4 is supported and pretension.
As it is shown in figure 1, metal-rubber buffer element 3 is made up of two identical hollow cylinder metal-rubber components, rigidity is relatively
Greatly, for bearing by the dead load of damping body, and prevent vibroshock in bigger shock loading (in satellite launch powered phase
As for 12g) effect is lower produces bigger plastic deformation and lost efficacy.
As it is shown in figure 1, central shaft 6 is cylindrical, middle part is machined with external screw thread with convex shoulder, head.During vibroshock assembling,
Metal-rubber buffer element 3 symmetry is sleeved on the convex shoulder both sides of central shaft 6, and the cylinder of bottom 1 end face is stretched in central shaft 6 lower end
In connected in star, and apart from groove floor 2mm～3mm, central shaft 6 upper end passes from the centre bore of housing 4 end face, passes through spiral shell
Stricture of vagina is connected with adapter sleeve 5, is matched in clearance between central shaft 6 and housing 4, bottom 1, metal-rubber buffer element 3.
As depicted in figs. 1 and 2, adapter sleeve 5 profile is cylindrical, and inside is threaded hole.When the present invention applies, connect
Overlapping 5 one end to be connected with central shaft 6, one end is connected with by damping body by screw.Install for the ease of vibroshock, adapter sleeve 5
Groove also it is machined with in the middle part of outer surface.
As it is shown in figure 1, metal-rubber damping element 8 is thin-wall semi shape, end face is plane, and with centre bore, vibroshock
During assembling, metal-rubber damping element 8 is enclosed within central shaft 6 by the centre bore of end face, and joins for gap between central shaft 6
Closing, end face lower end packing ring 7 supports, and bottom circular open ends is enclosed within the convex shoulder in the middle part of housing 4, and with snap ring 9 banding.
Metal-rubber damping element 8 rigidity is less, and three-way rigidity is identical, reduces micro-vibration on star for satellite section in orbit
(generally 0.1g) mechanical environment, on spaceborne optics payload and the impact of precision instrument and equipment, is effectively improved its workability
Energy.
Metal-rubber buffer element 3 and metal-rubber damping element 8 all use stainless steel silk to be prepared from, its manufacture method detailed
Describe in detail bright see patent " prepare the weaving method of metal rubber material component " (Patent No. 200410028838.8, open
Day is on 01 18th, 2004).
As depicted in figs. 1 and 2, snap ring 9 is thin wall circular, and outer surface is radially evenly equipped with cylindrical hole, and vibroshock assembles
Time, in the middle part of the radial direction through hole on snap ring 9 and housing 4, the radial direction through hole on convex shoulder aligns installation, and tapping screw 2 is from snap ring 9
Radial direction through hole screw in, metal-rubber damping element 8 is fixed between housing 4 and snap ring 9.
When the present invention applies, corner asymmetrical arrangement in same plane is used to be arranged on by between damping body and matrix, due to gold
Belong to rubber buffer element 3 rigidity relatively big, be primarily subjected to, by damping body dead load, carry out rigid support to by damping body.At satellite
Launching powered phase, metal-rubber buffer element 3 will produce little plastic deformation (less than 1mm) under greater impact load effect,
Metal-rubber damping element 8 can be avoided to lose efficacy because there is excessive plastic deformation；In satellite section in orbit, due to metal rubber
Glue buffer element 3 has produced plastic deformation, disengages with central shaft 6, and do not recur damping effect, now, by metal-rubber
Damping element 8 carries out the micro-isolating technique of three-dimensional to by damping body.
Claims (6)
1. a metal-rubber combination vibroshock, it is characterised in that include:
Prevent vibroshock from causing the metal-rubber buffer element (3) of inefficacy because bearing greater impact load for satellite launch powered phase；
For the satellite section in orbit metal-rubber damping element (8) to being carried out three-dimensional vibration damping by damping body；
For containing, protect described metal-rubber buffer element (3), and the housing (4) that vibroshock is fixed on matrix；
For sealing described housing (4), and described metal-rubber buffer element (3) is supported the bottom (1) with pretension；
For installing the central shaft (6) of described metal-rubber buffer element (3) and metal-rubber damping element (8)；
For the adapter sleeve (5) being connected on vibroshock by damping body；
For the snap ring (9) that described metal-rubber damping element (8) is fixed on described housing (4) and tapping screw (2)；
And
For the packing ring (7) that described metal-rubber damping element (8) is supported.
A kind of metal-rubber combination vibroshock the most according to claim 1, it is characterised in that described housing (4), bottom
(1), central shaft (6), adapter sleeve (5), packing ring (7) and snap ring (9) all use titanium alloy to make, described housing (4)
Being connected as one with described bottom (1) by screw thread, when the present invention applies, described housing (4) is solid by vibroshock by bolt
It is scheduled on matrix.
A kind of metal-rubber combination vibroshock the most according to claim 1 and 2, it is characterised in that described central shaft (6)
For cylinder, middle part is with convex shoulder, and head is machined with external screw thread, and during vibroshock assembling, institute is stretched in described central shaft (6) lower end
State in the cylinder shape groove of bottom (1) end face, and apart from groove floor 2mm～3mm, described central shaft (6) upper end is from institute
The centre bore stating housing (4) end face passes, between being between described central shaft (6) and described housing (4) and bottom (1)
Gap coordinates.
4. combine vibroshock according to a kind of metal-rubber described in claim 1 or 3, it is characterised in that described adapter sleeve (5)
Profile is cylindrical, is machined with groove in the middle part of outer surface, and inside is threaded hole, when the present invention applies, and described adapter sleeve (5)
One end is connected with described central shaft (6) by screw thread, and one end is connected with by damping body by screw.
5. combine vibroshock according to a kind of metal-rubber described in claim 1 or 3, it is characterised in that described metal-rubber delays
Rushing element (3) to be made up of two identical hollow cylinder metal-rubber components, during vibroshock assembling, described metal-rubber buffers
Element (3) is positioned at described housing (4), and symmetry is sleeved on the convex shoulder both sides of described central shaft (6), and by described bottom
(1) pretension, is matched in clearance between described metal-rubber buffer element (3) and described central shaft (6), described metal-rubber
Buffer element (3) uses stainless steel silk to make.
6. combine vibroshock according to a kind of metal-rubber described in claim 1 or 3, it is characterised in that described metal-rubber subtracts
The element (8) that shakes is thin-wall semi shape, and end face is plane, and with centre bore, during vibroshock assembling, described metal-rubber vibration damping
Element (8) is enclosed within described central shaft (6) by the centre bore of end face, and is matched in clearance between described central shaft (6),
End face lower end described packing ring (7) supports, and bottom circular open ends is enclosed within the convex shoulder at described housing (4) middle part, and uses institute
Stating snap ring (9) banding, described metal-rubber damping element (8) is fixed on described housing (4) by described tapping screw (2)
With between snap ring (9), described metal-rubber buffer element (8) three-way rigidity is identical, stainless steel silk is used to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468301.7A CN105889384A (en) | 2014-09-15 | 2014-09-15 | A metal rubber combination shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468301.7A CN105889384A (en) | 2014-09-15 | 2014-09-15 | A metal rubber combination shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889384A true CN105889384A (en) | 2016-08-24 |
Family
ID=57000011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468301.7A Pending CN105889384A (en) | 2014-09-15 | 2014-09-15 | A metal rubber combination shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889384A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654554A (en) * | 2017-10-12 | 2018-02-02 | 北京强度环境研究所 | A kind of support type shock absorber |
| CN108253064A (en) * | 2018-03-23 | 2018-07-06 | 福州大学 | A kind of metal rubber shock absorber and its forming method of bellows support |
| CN108302203A (en) * | 2018-03-21 | 2018-07-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Garbage pulverator vibration isolating device and garbage pulverator |
| CN108612796A (en) * | 2018-07-13 | 2018-10-02 | 福州大学 | Wide temperature range three-dimensional metal-rubber vibration absorber and its working method |
| CN108843713A (en) * | 2018-06-30 | 2018-11-20 | 宁国九鼎橡塑制品有限公司 | A kind of shock absorbing bushing inner sleeve and its processing method |
| CN111365408A (en) * | 2020-04-10 | 2020-07-03 | 石家庄距龙盘科技有限公司 | Composite damping device for new energy automobile |
| CN112081849A (en) * | 2020-10-19 | 2020-12-15 | 福州大学 | Three-way equal-rigidity metal damping shock absorber and working method thereof |
| CN114458711A (en) * | 2022-01-22 | 2022-05-10 | 福州大学 | Universal shock absorber structure for improving metal rubber shock absorption effect |
| CN114458724A (en) * | 2022-03-09 | 2022-05-10 | 上海交通大学 | High static low dynamic vibration damping and impact resistant compatible component with hemisphere and wall surface gradually unstable |
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| JP2003170440A (en) * | 2001-12-10 | 2003-06-17 | Bridgestone Corp | Method for manufacturing slide bearing member |
| JP2006207653A (en) * | 2005-01-26 | 2006-08-10 | Bridgestone Corp | Base isolation device |
| CN2869437Y (en) * | 2005-10-14 | 2007-02-14 | 毛文雄 | Spherical shell type absorber |
| CN2903561Y (en) * | 2005-10-14 | 2007-05-23 | 毛文雄 | Half spherulite shell type damper |
| CN1888464A (en) * | 2006-07-21 | 2007-01-03 | 郑钢铁 | Multifunction metal rubber flexible connecting piece |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654554A (en) * | 2017-10-12 | 2018-02-02 | 北京强度环境研究所 | A kind of support type shock absorber |
| CN108302203A (en) * | 2018-03-21 | 2018-07-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Garbage pulverator vibration isolating device and garbage pulverator |
| CN108302203B (en) * | 2018-03-21 | 2023-11-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Vibration isolation device for garbage crusher and garbage crusher |
| CN108253064B (en) * | 2018-03-23 | 2023-09-01 | 福州大学 | Metal rubber shock absorber supported by corrugated pipe and forming method thereof |
| CN108253064A (en) * | 2018-03-23 | 2018-07-06 | 福州大学 | A kind of metal rubber shock absorber and its forming method of bellows support |
| CN108843713A (en) * | 2018-06-30 | 2018-11-20 | 宁国九鼎橡塑制品有限公司 | A kind of shock absorbing bushing inner sleeve and its processing method |
| CN108612796A (en) * | 2018-07-13 | 2018-10-02 | 福州大学 | Wide temperature range three-dimensional metal-rubber vibration absorber and its working method |
| CN108612796B (en) * | 2018-07-13 | 2024-03-12 | 福州大学 | Wide-temperature-range three-way metal rubber vibration damper and working method thereof |
| CN111365408A (en) * | 2020-04-10 | 2020-07-03 | 石家庄距龙盘科技有限公司 | Composite damping device for new energy automobile |
| CN112081849A (en) * | 2020-10-19 | 2020-12-15 | 福州大学 | Three-way equal-rigidity metal damping shock absorber and working method thereof |
| CN112081849B (en) * | 2020-10-19 | 2024-06-04 | 福州大学 | Three-way equal-rigidity metal damping shock absorber and working method thereof |
| CN114458711A (en) * | 2022-01-22 | 2022-05-10 | 福州大学 | Universal shock absorber structure for improving metal rubber shock absorption effect |
| CN114458724B (en) * | 2022-03-09 | 2022-09-23 | 上海交通大学 | High static low dynamic vibration damping and impact resistant compatible component with gradual instability of hemisphere and wall surface |
| CN114458724A (en) * | 2022-03-09 | 2022-05-10 | 上海交通大学 | High static low dynamic vibration damping and impact resistant compatible component with hemisphere and wall surface gradually unstable |
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Application publication date: 20160824 |