CN101900177B - Vibration isolator - Google Patents

Vibration isolator Download PDF

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Publication number
CN101900177B
CN101900177B CN 201010245392 CN201010245392A CN101900177B CN 101900177 B CN101900177 B CN 101900177B CN 201010245392 CN201010245392 CN 201010245392 CN 201010245392 A CN201010245392 A CN 201010245392A CN 101900177 B CN101900177 B CN 101900177B
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CN
China
Prior art keywords
substrate
static
screw rod
adjusting screw
rod axle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201010245392
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Chinese (zh)
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CN101900177A (en
Inventor
鲍秀森
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NO 722 RESEARCH INSTITUTE CHINA SHIPBUILDING INDUSTRY Corp
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NO 722 RESEARCH INSTITUTE CHINA SHIPBUILDING INDUSTRY Corp
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Priority to CN 201010245392 priority Critical patent/CN101900177B/en
Publication of CN101900177A publication Critical patent/CN101900177A/en
Application granted granted Critical
Publication of CN101900177B publication Critical patent/CN101900177B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to the technical field of vibration isolation, and provides a vibration isolator for isolating protected instruments or equipment from a vibration source. The vibration isolator comprises a substrate, a spherical arc steel wire rope and a static supporting rigidity regulating mechanism, wherein the substrate is divided into an upper substrate and a lower substrate, and the static supporting rigidity regulating mechanism is connected between the upper substrate and the lower substrate; and the spherical arc steel wire rope is arranged at the periphery of the static supporting rigidity regulating mechanism, and the spherical arc steel wire rope is connected with the upper substrate and the lower substrate through a self-locking mechanism. The maintenance-free multiplexdamping non-resonant vibration isolator of an all-metal structure provided by the invention has good vibration isolation performance, good environmental adaptability, convenient installation and longservice life.

Description

A kind of isolator
Technical field
The present invention relates to the seismic isolation technology field, a kind of isolator specifically is used for protected instruments or equipment and vibratory source isolated.
Background technique
Existing isolator comprises nonmetal damping (rubber) isolator, liquid and air damping isolator and spring shock-proof device, and they realize shock-absorbing, shock insulation function by the shock absorbing device that is located between vibratory source and the object of protection.There is following problem in above-mentioned isolator because of the reason of himself structure and material: rubber isolator environmental adaptation scope is little, and the moving alternation useful space is little; Liquid and air damping isolator complex structure and manufacture cost height, structural limitations is moved alternation useful space minimum dimension, liquid damping (temperature) affected by environment; Spring shock-proof device substantially horizontal isolation property is unstable and install complicated.Therefore the isolating affection of isolator and using scope remain further to be improved at present.
Summary of the invention
Purpose of the present invention is exactly in order to overcome above-mentioned the deficiencies in the prior art part, and provides a kind of non-maintaining all metal construction MULTIPLE COMPOSITE damping not have the resonance isolator, and it has good isolation property and environmental suitability, and easy for installation, long service life.
The objective of the invention is to realize by following technical measures: a kind of isolator, comprise substrate, sphere arc wire rope and static support stiffness controlling mechanism, described substrate is divided into upper substrate and infrabasal plate, is connected with static support stiffness controlling mechanism between upper substrate and infrabasal plate; Described sphere arc wire rope is located at static support stiffness controlling mechanism periphery, is connected by slfactuating latch between sphere arc wire rope and upper substrate and the infrabasal plate.
In technique scheme, described upper substrate surface is provided with metal damping gauze pad.
In technique scheme, described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, cylindrically coiled spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with cylindrically coiled spring.
In technique scheme, described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, leaf spring and spring seat, and described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with leaf spring.
In technique scheme, described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, belleville spring and spring seat, and described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with belleville spring.
In technique scheme, described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, tapered coil spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with tapered coil spring.
In technique scheme, described sphere arc wire rope is back and forth to be made of along the sphere bending continuously between upper and lower base plate partly and even whole arc winding steel cable.
In technique scheme, described slfactuating latch is the R type groove structure of being located on the substrate, is provided with one at R type groove notch place and is used for that sphere arc wire rope squeezed into R type groove and prevents that sphere arc wire rope is again from inclined-plane that R type groove is deviate from.
In technique scheme, be respectively equipped with for the upper supporting ring and the lower support ring that support sphere curved wire rope at upper substrate and infrabasal plate.
The present invention compared with prior art has the following advantages: 1. the damping of realization metal MULTIPLE COMPOSITE does not have resonance; 2. realize that substrate is connected with the fastener-free of sphere arc wire rope; 3. realize vertical static stiffness adjusting; 4. utilize sphere arc wire rope elasticity winding, in rigidity such as all directions around 360 degree realize; 5. moving amplification factor>3 of unlubricated friction nonlinear dampling; 6. environmental suitability is strong, and the serviceability temperature scope is wide :-75 ℃ one+175 ℃, limiting temperature is+370 ℃; 7. all metal construction, environmental test satisfies People's Republic of China's GJB " military equipment environmental test method general provisions " (GJB150-86).Its application area comprises: be used for airborne, vehicle-mounted, carrier-borne precise electronic instrument, the secondary shock insulation of equipment, buffering, guarantee equipment reliability to greatest extent; Be used for the foundation elasticity supporting of motor and various power systems; The shock insulation, the antidetonation that are used for foundation engineering and building; The shock insulation, the buffering that are used for equipment under the rugged environment such as high low temperature, chemical contamination, nuclear pollution.
Description of drawings
Fig. 1 is the structural representation of isolator of the present invention.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the enlarged view at A place among Fig. 1.
Fig. 4 is sphere arc wire rope and upper substrate self-locking process schematic representation in the isolator of the present invention.
Fig. 5 is the schematic representation of isolator use-case 1 of the present invention.
Fig. 6 is the schematic representation of isolator use-case 2 of the present invention.
Wherein: 1. static stiffness adjusting screw rod axle, 2. metal damping gauze pad, 3. upper substrate, 4. upper supporting ring, 5. sphere arc wire rope, 6. lower support ring, 7. infrabasal plate, 8. cylindrically coiled spring, 9. spring seat, 10. electronic equipment cabinet, 11. video monitoring equipments, 12. slfactuating latch.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, 2, present embodiment provides a kind of isolator, comprise substrate, the sphere arc wire rope as unlubricated friction nonlinear dampling part, static support stiffness controlling mechanism, described substrate is divided into upper substrate 3 and infrabasal plate 7, is connected with static support stiffness controlling mechanism between upper substrate 3 and infrabasal plate 7; Be respectively equipped with for the upper supporting ring 4 and the lower support ring 6 that support sphere curved wire rope 5 at upper substrate 3 and infrabasal plate 7, described sphere arc wire rope 5 is located at static support stiffness controlling mechanism periphery, is connected by slfactuating latch 12 between sphere arc wire rope 5 and upper substrate 3 and the infrabasal plate 7.
In the above-described embodiments, described upper substrate 3 surfaces are provided with the metal damping gauze pad 2 with friction vibration-absorbing function.This metal damping gauze pad friction shock-absorbing piece can also be belleville spring.
In the above-described embodiments, described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle 1, cylindrically coiled spring 8 and spring seat 9, and described static stiffness adjusting screw rod axle 1 top links to each other with upper substrate 3, and the bottom links to each other with spring seat 9; Spring seat 9 is provided with cylindrically coiled spring 8.Regulate static stiffness adjusting screw rod axle 1 and spring seat 9, the decrement that further changes cylindrically coiled spring 8 just can be regulated the static vertical stiffness of isolator, reaches and regulates the orthostatic purpose of load bearing equipment.
In the above-described embodiments, described cylindrically coiled spring 8 is as metallic elastic damping part, and other can be used as leaf spring, belleville spring, the tapered coil spring etc. in addition of metallic elastic damping part.
In the above-described embodiments, described sphere arc wire rope 5 is back and forth to be made of along the sphere bending continuously between upper and lower base plate partly and even whole arc winding steel cable.Described wire rope can also be spring steel plate.
In the above-described embodiments, as shown in Figure 3, described slfactuating latch 12 is R type groove structures of being located on the substrate, is provided with one at R type groove notch place and is used for that sphere arc wire rope squeezed into R type groove and prevents that sphere arc wire rope is again from inclined-plane that R type groove is deviate from.
As shown in Figure 4, the principle of slfactuating latch is that the resiliently deformable of utilizing sphere arc wire rope to be squeezed to produce makes in its R shape groove structure that embeds upper and lower base plate, is connected with the fastener-free of upper and lower base plate self-locking to realize sphere arc wire rope.
In sum, present embodiment does not have the resonance isolator by the MULTIPLE COMPOSITE damping that cylindrically coiled spring deformation decay, metal damping gauze pad friction shock-absorbing, the multiple damping composite structure of sphere arc wire rope dry friction energy-absorbing etc. constitute all metal construction.
Be illustrated in figure 5 as the schematic representation of isolator use-case 1 of the present invention, be used for the shock insulation of electronic equipment cabinet 10.Wherein, this isolator has a side of metal damping gauze pad 2 to link to each other with electronic equipment cabinet 10, and opposite side is installed on ground or the metope.
Be illustrated in figure 6 as the schematic representation of vibration isolator use-case 2 of the present invention, be used for the shock insulation of video monitoring equipment 11.Wherein, this isolator has a side of metal damping gauze pad 2 to link to each other with video monitoring equipment 11, and opposite side is installed on the indoor ceiling.

Claims (8)

1. an isolator comprises substrate, sphere arc wire rope and static support stiffness controlling mechanism, and it is characterized in that: described substrate is divided into upper substrate and infrabasal plate, is connected with static support stiffness controlling mechanism between upper substrate and infrabasal plate; Described sphere arc wire rope is located at static support stiffness controlling mechanism periphery, is connected by slfactuating latch between sphere arc wire rope and upper substrate and the infrabasal plate; Described slfactuating latch is the R type groove structure of being located on the substrate, R type groove notch place be provided with one be used for that sphere arc wire rope squeezed into R type groove and prevent sphere arc wire rope entering R type groove after again from inclined-plane that R type groove is deviate from.
2. isolator according to claim 1, it is characterized in that: described upper substrate surface is provided with metal damping gauze pad.
3. isolator according to claim 1, it is characterized in that: described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, cylindrically coiled spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with cylindrically coiled spring.
4. isolator according to claim 1, it is characterized in that: described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, leaf spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with leaf spring.
5. isolator according to claim 1, it is characterized in that: described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, belleville spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with belleville spring.
6. isolator according to claim 1, it is characterized in that: described static support stiffness controlling mechanism comprises static stiffness adjusting screw rod axle, tapered coil spring and spring seat, described static stiffness adjusting screw rod axle top links to each other with upper substrate, and static stiffness adjusting screw rod axle bottom links to each other with spring seat; Spring seat is provided with tapered coil spring.
7. isolator according to claim 1, it is characterized in that: described sphere arc wire rope is back and forth to constitute whole arc windings along the sphere bending continuously by steel cable between upper and lower base plate.
8. isolator according to claim 1 is characterized in that: be respectively equipped with on described upper substrate and the infrabasal plate for the upper supporting ring and the lower support ring that support sphere curved wire rope.
CN 201010245392 2010-08-04 2010-08-04 Vibration isolator Expired - Fee Related CN101900177B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010245392 CN101900177B (en) 2010-08-04 2010-08-04 Vibration isolator

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Application Number Priority Date Filing Date Title
CN 201010245392 CN101900177B (en) 2010-08-04 2010-08-04 Vibration isolator

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CN101900177A CN101900177A (en) 2010-12-01
CN101900177B true CN101900177B (en) 2013-10-02

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168729A (en) * 2011-01-21 2011-08-31 中国人民解放军总参谋部工程兵科研三所 X-shaped steel wire rope shock isolator
CN102954139A (en) * 2011-08-24 2013-03-06 无锡市宏源弹性器材有限公司 Three-direction spacing type wire-rope vibration isolator
CN103470671B (en) * 2013-09-18 2015-08-19 中北大学 A kind of two circle wire rope damper
CN106838111B (en) * 2017-03-31 2020-04-03 勾厚渝 Damping vibration isolation system and composite damping vibration isolator
CN108253234B (en) * 2017-12-27 2020-04-14 中能绿色精灵(北京)科技有限公司 Supporting and protecting device for steam boiler of transcritical carbon dioxide heat pump
CN108397499A (en) * 2018-02-22 2018-08-14 安徽永裕云商企业管理有限公司 A kind of office equipment mobile cushioning mechanism
CN109611485A (en) * 2018-12-07 2019-04-12 中国飞机强度研究所 A kind of wirerope and spring-combination-type vibration isolator
CN111993965A (en) * 2020-08-31 2020-11-27 盐城市华悦汽车部件有限公司 Car seat spring shock-absorbing structure convenient to dismantle and change

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2235527Y (en) * 1995-04-11 1996-09-18 东南大学 Damping-adjustable type no resonance vibration-damper
CN1457229A (en) * 2003-06-12 2003-11-19 季馨 Nonfrontal module impact resistant vibration isolator
CN1704585A (en) * 2004-05-31 2005-12-07 Lg电子株式会社 Supporting apparatus of compressor
CN2854203Y (en) * 2005-11-18 2007-01-03 中国船舶重工集团公司第七二二研究所 Vibration-damper
CN201068946Y (en) * 2007-07-26 2008-06-04 上海安亭科学仪器厂 Centrifugal machine shock-absorbing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2235527Y (en) * 1995-04-11 1996-09-18 东南大学 Damping-adjustable type no resonance vibration-damper
CN1457229A (en) * 2003-06-12 2003-11-19 季馨 Nonfrontal module impact resistant vibration isolator
CN1704585A (en) * 2004-05-31 2005-12-07 Lg电子株式会社 Supporting apparatus of compressor
CN2854203Y (en) * 2005-11-18 2007-01-03 中国船舶重工集团公司第七二二研究所 Vibration-damper
CN201068946Y (en) * 2007-07-26 2008-06-04 上海安亭科学仪器厂 Centrifugal machine shock-absorbing device

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