CN1888464A - Multifunction metal rubber flexible connecting piece - Google Patents
Multifunction metal rubber flexible connecting piece Download PDFInfo
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- CN1888464A CN1888464A CN 200610010309 CN200610010309A CN1888464A CN 1888464 A CN1888464 A CN 1888464A CN 200610010309 CN200610010309 CN 200610010309 CN 200610010309 A CN200610010309 A CN 200610010309A CN 1888464 A CN1888464 A CN 1888464A
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- connecting rod
- flexible connecting
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- rubber flexible
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Abstract
There is disclosed a multi-functional metal-rubber flexible connecting piece, which has a cylindrical restrained casing with a flexible pad and a hold-down ring inside. A connecting-rod passes longitudinally through the centre of the hold-down ring and is jointed firmly with the hold-down ring. One end of the connecting-rod extends from one end of the restrained casing and the other end of the restrained casing is fixed on the base.
Description
Technical field
The present invention relates to a kind of link that astrovehicle is connected with sensitive equipment on it.
Background technique
Spaceborne sensitive equipment (as space telescope, meteorological detection equipment, communication antenna etc.) requires astrovehicle must have very high pointing accuracy and pointing stability.Astrovehicle thermic malformation meeting reduces pointing accuracy and the stability of sensitive equipment under in working order greatly, influences equipment work usefulness, causes the imaging shake, inefficacies such as target observation region difference, signal of communication loss.Thermal-induced deformation in the spacecraft structure is mainly derived from two aspects: 1) cause structure thermic stress in rail ambient temperature and floor mounted ambient temperature difference; 2) in orbit in the process because thermic impact stress and thermic cyclic stress that solar eclipse and stellar eclipse etc. cause.Other parts of sensitive equipment and spacecraft structure interconnect, constraint mutually, cause structure generation thermic malformation and vibration thereby can't effectively discharge thermal stress.Sensitive equipment adopts flexible connection mode can effectively discharge thermal stress with being connected of astrovehicle, reduce the thermal-induced deformation of sensitive equipment, but because astrovehicle will bear bigger oscillating load under emission state, adopt existing flexible connecting member to connect and exist the low-frequency vibration amplitude that has reduced the structural strength multiplying arrangement, reduced the drawback of the reliability of sensitive equipment in emission process.
Summary of the invention
The low-frequency vibration amplitude that is connected the existing flexible connecting member existence reduction of employing structural strength multiplying arrangement at astrovehicle with the sensitive equipment on it, reduced the drawback of the reliability of sensitive equipment in emission process, a kind of sensitive equipment that can provide simultaneously has been provided flexibly connects and flexible connecting member vibration damping, that have good non-linear rigidity characteristic.
Multifunction metal rubber flexible connecting piece, it is made up of pad 1, pressure ring 2, constraint shell 3, connecting rod 4 and base 5, described constraint shell 3 is a tubular, pad 1 and pressure ring 2 all are arranged on the inside of tubular constraint shell 3, described pad 1 comprises pad 1-1 and following pad 1-2, and last pad 1-1 and following pad 1-2 are separately positioned on the two ends up and down of pressure ring 2; Described connecting rod 4 vertically passes the center of pressure ring 2 and affixed with pressure ring 2, and an end of connecting rod 4 stretches out from an end of constraint shell 3, and the other end of constraint shell 3 is fixed with base 5, and the lower end of base 5 is provided with base connecting head 5-1.
Link of the present invention is a kind of non-linear flexible connecting member, is applicable to flexibly connecting of highi degree of accuracy sensitive equipment and pedestal structure.This flexible connecting member has good non-linear rigidity characteristic, and with reference to Fig. 1, the nonlinear characteristics of its " distortion/power " has tangible flex point, is the linearity of flexible connecting member " compliant section " before reaching the flex point distortion, and link has very big flexibility; After the flex point distortion is the linearity " ultrahard section " of flexible connecting member, and link has very big rigidity.This multifunction metal rubber flexible connecting piece can effectively be released in the thermic stress under the rail state, buffering thermic stress impact.Simultaneously, can be under big oscillating load the remarkable coupling stiffness of increase equipment and pedestal, improve vibration natural frequency, the safety of guarantee astrovehicle sensitive equipment in emission process.Advantages such as to sum up, flexible connecting member of the present invention has that the non-linear rigidity flex point is obvious, high temperature resistant, low temperature resistant, corrosion-resistant, the life-span is long, material chemical composition is non-volatile under the vacuum environment, Placement is various.Be widely used in the function that flexibly connects in space flight, aviation and other fields, be beneficial to and apply.
Description of drawings
Fig. 1 is a multifunction metal rubber flexible connecting piece non-linear rigidity performance diagram of the present invention, Fig. 2 is a structural representation of the present invention, Fig. 3 is embodiment three described structural representations, Fig. 4 is embodiment five described structural representations, and Fig. 5 is embodiment six described structural representations.
Embodiment
Embodiment one: present embodiment is a kind of multifunction metal rubber flexible connecting piece, with reference to Fig. 2, it is by pad 1, pressure ring 2, constraint shell 3, connecting rod 4 and base 5 are formed, described constraint shell 3 is a tubular, pad 1 and pressure ring 2 all are arranged on the inside of tubular constraint shell 3, pad 1 comprises pad 1-1 and following pad 1-2, last pad 1-1 and following pad 1-2 are separately positioned on the two ends up and down of pressure ring 2, described pad 1 is to be prepared from by metal-rubber, metal-rubber is to be coiled into spiral helicine wire by some to twine the fenestral fabric body that stack is squeezed into, the described pad 1-1 that goes up of present embodiment selects same material for use with following pad 1-2, the wire of diameter adopts identical winding density to be prepared into the pad of same diameter.Described connecting rod 4 vertically passes the center of pressure ring 2 and affixed with pressure ring 2, one end of connecting rod 4 stretches out from an end of constraint shell 3, the termination that connecting rod 4 stretches out part outside the constraint shell 3 is provided with outside thread, base 5 is fixed on the other end of constraint shell 3, the lower end of base 5 is provided with base connecting head 5-1, base connecting head 5-1 is provided with outside thread, and the upper end of connecting rod 4 is provided with outside thread 4-1; Described metal-rubber link promptly is connected with equipment with pedestal by the outside thread of connecting rod 4 terminations and the outside thread of base connecting head 5-1.
During use, an end of the described metal rubber flexible connecting piece of present embodiment is connected with the pedestal of astrovehicle, the other end is connected with sensitive equipment.During work, pedestal structure generation thermal-induced deformation, relative movement take place together with pressure ring 2 and constraint shell 3 in connecting rod 4, and one of them is compressed that (when connecting rod 4 moved upward, last pad 1-1 compressed last pad 1-1 and following pad 1-2; Connecting rod 4 moves downward pad 1-2 compression at present).Its working procedure is as follows:
Initial compression phase is the linearity " compliant section " of flexible connecting member, the flexibility of pad 1 is very big, flexible connecting member is very little to the restraining force of institute's connection device, the thermic stress of pedestal structure obtains discharging by the compression of pad 1, significantly reduce thermal-induced deformation, therefore can cushion thermic and impact the influence that causes the sensitive equipment precision;
Under the situation of pedestal structure violent oscillatory motion, big relative movement takes place together with pressure ring 2 and constraint shell 3 in connecting rod 1, the suffer restraints constraint of shell 3 and base 5 of pad 1, and diameter can not continue to increase, and rigidity dramaticallys increase.Flexible connecting member is operated in " ultrahard section ", therefore can effectively suppress violent oscillatory motion.
The tubular of the described constraint shell 3 of present embodiment is that cross section is circular tube, also can be the tube of square, rhombus, trapezoidal, regular polygon, also can be that cross section is the tube of other shape, all within protection scope of the present invention.
Embodiment two: what the termination of the described constraint shell 3 of present embodiment was provided with connecting rod 4 passes hole 3-1, and connecting rod 4 and pass between the 3-1 of hole and leave the gap is with reference to Fig. 2.Because the connecting rod 4 of the described link of present embodiment does not radially adopt rigidity spacing, allow the axis of described flexible connecting member both sides jointing angled, realize that promptly certain swing is arranged between pedestal and the equipment, so the described non-linear metal rubber flexible connecting piece of present embodiment can provide flexibly connecting of bending direction to pedestal and equipment simultaneously.
Embodiment three: this embodiment is described in conjunction with Fig. 3.Present embodiment and aforementioned embodiments difference are, internal surface at base 5 is provided with connecting rod pilot hole 5-2, what be provided with connecting rod 4 in the termination of constraint shell 3 passes hole 3-1, the internal diameter that passes hole 3-1 is identical with the outside dimension of connecting rod 4, that is to say, pass between hole 3-1 and the connecting rod 4 very close to each other.Since connecting rod 4 radially adopted rigidity spacing, only allow connecting rod to do axial relative movement, therefore the pedestal that is connected the flexible connecting member two ends and the swing between the equipment have been limited, therefore the described link of present embodiment can be resisted and shear and bending deflection, be applicable to the connection that requires side direction to have big rigidity, be applicable to simultaneously the demanding connection of radial location between pedestal and the equipment.
Embodiment four: the described base 5 of present embodiment with the constraint shell 3 between by being threaded.Base 5 is connected threadably with constraint shell 3, can regulate the initial deformation amount, thereby the flex point of adjusting non-linear rigidity is to be applicable to different working environments.
Embodiment five: this embodiment is described in conjunction with Fig. 4.When adopting flexible connecting member to connect pedestal and equipment, flexible connecting member is when tension and pressured state, and its stressed varying in size is the stiffness characteristics requirement that obtains to realize, needs to select the pad of different-stiffness.Therefore, described upward pad 1-1 of present embodiment and following pad 1-2 select the pad of two kinds of different metal wire materials, winding density and diameter for use.Therefore the described structure of present embodiment is applicable between pedestal and the equipment and requires to have different the flexibly connecting of stiffness characteristics of drawing, press.
Embodiment six: this embodiment is described in conjunction with Fig. 5.Present embodiment and embodiment one difference are that described base connecting head 5-1 is provided with internal thread, and the upper end of connecting rod 4 is provided with outside thread, also internal thread can be set, with adapt to pedestal or equipment between different connecting modes.In the practical application, the Placement that being connected between base connecting head, connecting rod and pedestal or the equipment also can be adopted and be hinged, side is hung, perhaps other Placement is all within protection scope of the present invention.
Claims (9)
1. multifunction metal rubber flexible connecting piece, it is characterized in that it is made up of pad (1), pressure ring (2), constraint shell (3), connecting rod (4) and base (5), described constraint shell (3) is a tubular, pad (1) and pressure ring (2) all are arranged on the inside of tubular constraint shell (3), described pad (1) comprises pad (1-1) and following pad (1-2), and last pad (1-1) and following pad (1-2) are separately positioned on the two ends up and down of pressure ring (2); Described connecting rod (4) vertically passes the center of pressure ring (2) and affixed with pressure ring (2), and an end of connecting rod (4) stretches out from an end of constraint shell (3), and the other end of constraint shell (3) is fixed with base (5), and the lower end of base (5) is provided with base connecting head (5-1).
2. multifunction metal rubber flexible connecting piece according to claim 1, it is characterized in that described pad (1) is to be prepared from by metal-rubber, described metal-rubber is to be coiled into spiral helicine wire by some to twine the fenestral fabric body that stack is squeezed into.
3. multifunction metal rubber flexible connecting piece according to claim 2 is characterized in that described base (5) and retrains between the shell (3) by being threaded.
4. multifunction metal rubber flexible connecting piece according to claim 2 is characterized in that the pad that described upward pad (1-1) and following pad (1-2) are selected two kinds of different metal wire materials for use, twined density and diameter.
5. according to claim 1,2,3 or 4 described multifunction metal rubber flexible connecting pieces, what the termination that it is characterized in that described constraint shell (3) was provided with connecting rod 4 passes hole (3-1), connecting rod (4) and pass between the hole (3-1) and leave the gap.
6. according to claim 1,2,3 or 4 described multifunction metal rubber flexible connecting pieces, what the termination that it is characterized in that described constraint shell (3) was provided with connecting rod (4) passes hole (3-1), and the internal diameter that passes hole (3-1) is identical with the outside dimension of connecting rod (4).
7. multifunction metal rubber flexible connecting piece according to claim 6 is characterized in that the internal surface of base (5) is provided with connecting rod pilot hole (5-2).
8. according to claim 1,2,3 or 4 described multifunction metal rubber flexible connecting pieces, it is characterized in that described base connecting head (5-1) is provided with outside thread, the upper end of connecting rod (4) is provided with outside thread (4-1).
9. according to claim 1,2,3 or 4 described multifunction metal rubber flexible connecting pieces, it is characterized in that described base connecting head (5-1) is provided with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610010309 CN1888464A (en) | 2006-07-21 | 2006-07-21 | Multifunction metal rubber flexible connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610010309 CN1888464A (en) | 2006-07-21 | 2006-07-21 | Multifunction metal rubber flexible connecting piece |
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| Publication Number | Publication Date |
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| CN1888464A true CN1888464A (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610010309 Pending CN1888464A (en) | 2006-07-21 | 2006-07-21 | Multifunction metal rubber flexible connecting piece |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419301C (en) * | 2007-06-06 | 2008-09-17 | 郑钢铁 | Built-in metal rubber composite vibration reducing material and forming method thereof |
| CN102016345B (en) * | 2008-04-22 | 2013-07-31 | 特瑞堡自动福谢达公司 | Frequency tuned damper |
| CN103256294A (en) * | 2013-05-20 | 2013-08-21 | 华南理工大学 | Novel rubber flexible hinge filled with metal rubber |
| CN104061278A (en) * | 2014-06-24 | 2014-09-24 | 北京空间飞行器总体设计部 | Scrap-leakage-proof metal-rubber damper suitable for in-orbit application of spacecraft |
| CN104455154A (en) * | 2014-12-08 | 2015-03-25 | 济南轨道交通装备有限责任公司 | Elastic metal wire damping element |
| CN105090312A (en) * | 2014-05-06 | 2015-11-25 | 中国人民解放军军械工程学院 | Special metal rubber shock absorber for spacecraft |
| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| CN106704438A (en) * | 2015-11-12 | 2017-05-24 | 中国电力科学研究院 | Array damping-ball shock absorption device |
| CN108999907A (en) * | 2018-08-07 | 2018-12-14 | 广东邦达实业有限公司 | A kind of damper |
| CN109555960A (en) * | 2018-11-30 | 2019-04-02 | 长光卫星技术有限公司 | Variation rigidity flexibility damps supporting leg |
| CN114688192A (en) * | 2022-03-28 | 2022-07-01 | 中国重汽集团济南动力有限公司 | Metal rubber support shock absorber for heavy-duty car |
| AT17815U1 (en) * | 2021-11-18 | 2023-03-15 | Getzner Werkstoffe Holding Gmbh | Bearing device for vibration-isolating bearings of a machine |
-
2006
- 2006-07-21 CN CN 200610010309 patent/CN1888464A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419301C (en) * | 2007-06-06 | 2008-09-17 | 郑钢铁 | Built-in metal rubber composite vibration reducing material and forming method thereof |
| CN102016345B (en) * | 2008-04-22 | 2013-07-31 | 特瑞堡自动福谢达公司 | Frequency tuned damper |
| US8950736B2 (en) | 2008-04-22 | 2015-02-10 | Trelleborg Automotive Forsheda Ab | Frequency tuned damper |
| CN103256294B (en) * | 2013-05-20 | 2015-08-26 | 华南理工大学 | The Novel rubber flexible hinge that a kind of metal-rubber is filled |
| CN103256294A (en) * | 2013-05-20 | 2013-08-21 | 华南理工大学 | Novel rubber flexible hinge filled with metal rubber |
| CN105090312A (en) * | 2014-05-06 | 2015-11-25 | 中国人民解放军军械工程学院 | Special metal rubber shock absorber for spacecraft |
| CN104061278A (en) * | 2014-06-24 | 2014-09-24 | 北京空间飞行器总体设计部 | Scrap-leakage-proof metal-rubber damper suitable for in-orbit application of spacecraft |
| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| CN104455154A (en) * | 2014-12-08 | 2015-03-25 | 济南轨道交通装备有限责任公司 | Elastic metal wire damping element |
| CN106704438A (en) * | 2015-11-12 | 2017-05-24 | 中国电力科学研究院 | Array damping-ball shock absorption device |
| CN108999907A (en) * | 2018-08-07 | 2018-12-14 | 广东邦达实业有限公司 | A kind of damper |
| CN109555960A (en) * | 2018-11-30 | 2019-04-02 | 长光卫星技术有限公司 | Variation rigidity flexibility damps supporting leg |
| AT17815U1 (en) * | 2021-11-18 | 2023-03-15 | Getzner Werkstoffe Holding Gmbh | Bearing device for vibration-isolating bearings of a machine |
| CN114688192A (en) * | 2022-03-28 | 2022-07-01 | 中国重汽集团济南动力有限公司 | Metal rubber support shock absorber for heavy-duty car |
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