CN104455195A - All-metal multidirectional vibration isolator - Google Patents
All-metal multidirectional vibration isolator Download PDFInfo
- Publication number
- CN104455195A CN104455195A CN201410778330.3A CN201410778330A CN104455195A CN 104455195 A CN104455195 A CN 104455195A CN 201410778330 A CN201410778330 A CN 201410778330A CN 104455195 A CN104455195 A CN 104455195A
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- Prior art keywords
- damping
- vibration
- elastic
- vibration isolation
- isolation unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides an all-metal multidirectional vibration isolator which comprises a boss support, a damping connection box and an elastic vibration isolating unit. Four sides of the boss support protrude planarly in a manner of surrounding a hollow edge, the damping connection box is disposed in a hollow frame of the boss support, the elastic vibration isolating unit is fixedly connected on the boss support (1) and composed of a damping slider (8) and a bolt, the damping slider (8) is arranged in a damping barrel (3) and axially connected with a conical spring (4), the bolt axially passes a damping barrel clamping plate and is fixedly connected on a side plane of the damping connection box (10) through a top opening of the conical spring, a spring clamping ring (6) and the clamping plate, and the elastic vibration isolating unit surrounds a boss side plane of the boss support peripherally to be fixedly connected on the side plane of the damping connection box to form a multidirectional elastic damping vibration isolating system pointing a vibration-isolated space of the damping connection box. The problem of vibration isolating of independent devices inside electronic equipment in any direction of spatially is solved well, and the all-metal multidirectional vibration isolator is stable in integral vibration isolating performance and quite high in working reliability.
Description
Technical field
The present invention relates to a kind of vibration isolator being mainly used in carrying out the independent components and parts of electronic equipment internal local isolation extraneous vibration, the multidirectional integral vibration isolation device of especially a kind of full-metallic.
Background technique
In prior art, the vibration isolator that locally vibration isolation adopts is carried out to the independent components and parts of electronic equipment internal and be mainly rubber vibration isolator or steel-wire isolator.Rubber vibration isolator is the vibration isolator made with rubber.The great advantage of rubber vibration isolator has enough internal dampings, though be applicable to the little and of short duration very large situation of dynamic displacement of static displacement, and can make various shape, to adapt to the requirement in space.Rubber vibration isolator is when the components and parts very little to weight carry out vibration isolation, and owing to being subject to the restriction of material behavior, the natural frequency of itself is higher, and integral vibration damping effect is undesirable, does not often reach damping requirements, and can be aging, produces creep.Steel-wire isolator is a kind of typical nonlinear isolation device, and its dynamic stiffness can only reflect performance during low frequency, and there is very large wave phenomenon at high frequency treatment impedance curve, this is that the high frequency standing wave phenomena produced by metallic material in steel-wire isolator causes.Steel-wire isolator forms with the coiling of a stainless steel wire rope, and wirerope diameter number of share of stock, length, the number of turns, canoe and tightness are depended in its rigidity and damping, and damping characteristic is out of shape relevant with vibration isolator.When vibration isolator amplitude is enough large, silk is restricted between each stock and dry friction is occurred, and now dry-friction damping is large.Shown by the analysis of steel-wire isolator mechanical impedance, because itself damping of steel-wire isolator is less, the resonance transmissibility of whole system is comparatively large, can not realize carrying out desirable vibration isolation to components and parts.Above-mentioned prior art vibration isolator often can only comparatively ideal solution vibration insolation means one-dimensional square to vibration damping, and can not the desirable problem solving any one the direction vibration isolation in space of the independent components and parts of electronic equipment internal.
Summary of the invention
The object of the invention is the deficiency existed for above-mentioned prior art, a kind of overall structure compact dimensions is provided, lower natural frequency can be realized, all can have again the multidirectional vibration isolator of full-metallic of rational damping characteristic in a plurality of directions, to solve the problem of the independent components and parts of electronic equipment internal any one direction vibration isolation in space.
For achieving the above object, the present invention adopts following technological scheme: the multidirectional vibration isolator of a kind of full-metallic, comprise all around around the boss support that hollow out edge plane is protruded, be placed in the vibration damping connecting box of described boss support hollow out framework and connect firmly the elastic vibration isolation unit on described boss support 1, it is characterized in that: elastic vibration isolation unit is by being arranged in damping cylinder 3, axially connect the damping slide block 8 of volute spring 4 and axially formed by the bolt of damping collet chuck plate, described bolt is by volute spring 4 open top, spring collar 6 and described clamping plate connect firmly on the side plane of vibration damping connecting box 10, described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
The present invention has following beneficial effect compared to prior art.
Overall structure compact dimensions.The present invention adopt all around protrude around hollow out edge plane boss support, utilize and be placed in the vibration damping connecting box of boss support hollow out framework, connect four elastic vibration isolation unit on boss support 1, form the framework of integral vibration isolation system, reduce the overall structure size of vibration isolator, make vibration isolator structure size design compacter, reasonable.
There is stable integral vibration isolation performance.Elastic vibration isolation unit of the present invention in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.To be fixed on vibration damping connecting box by vibration isolation components and parts, ensure that whole system has stable integral vibration isolation performance in omnirange.
There is very high functional reliability.Primary clustering of the present invention is Structural Hardware, and vibration isolator entirety is all-metal material, and overcoming prior art rubber vibration isolator can be aging, produces the defect of creep, can adapt to the working environment that various complexity is harsh, therefore have very high reliability.
Lower natural frequency can be realized, all can have again the multidirectional vibration isolator of full-metallic of rational damping characteristic in a plurality of directions, the present invention is by being arranged in damping cylinder 3, the damping slide block 8 axially connecting volute spring 4 and the bolt composition elastic vibration isolation unit axially passing through damping collet chuck plate, there is enough internal dampings, by the parameter of selected elastic element, lower system frequency can be ensured; The damping slide block be arranged in damping cylinder constitutes frictional damping element, can provide reliable and stable, the system damping characteristic of size reasonable.
The present invention adopts degrees of freedom direction, 6, space to point to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space, make the damped elasticity vibrating isolation system that degrees of freedom direction, 6, space is formed jointly, all there is good damping property, the isolating technique to components and parts can be realized in any direction, the requirement of the independent components and parts of electronic equipment internal to high-performance local vibration isolation can be met.Thus well solve the problem of the independent components and parts of electronic equipment internal any one direction vibration isolation in space.And the performance overcome when steel-wire isolator dynamic stiffness can only reflect low frequency, and high frequency can not be applied to, at high frequency treatment, there is the defect of very large wave phenomenon in impedance curve.
Accompanying drawing explanation
Fig. 1 is the plan view that the multidirectional vibration isolator of full-metallic of the present invention comprises broken section.
Fig. 2 is the side view of Fig. 1.
In figure: 1 boss support, 2 tubular-shank rivets, 3 damping cylinders, 4 volute springs, 5 bolts, 6 spring collars, 7 external splints, 8 damping slide blocks, 9 inner splints, 10 vibration damping connecting boxes, 11 nuts.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is clearly and completely described.
Consult Fig. 1 Fig. 2.In embodiment described below, the multidirectional vibration isolator of full-metallic comprises: all around around boss support, the vibration damping connecting box being placed in described boss support hollow out framework and the elastic vibration isolation unit connected firmly on described boss support 1 that hollow out edge plane is protruded, wherein: elastic vibration isolation unit, by being arranged in damping cylinder 3, axially connects the damping slide block 8 of volute spring 4 and axially consists of the bolt of damping collet chuck plate.Bolt 5 connects firmly on the side plane of vibration damping connecting box 10 by volute spring 4 open top, spring collar 6 and described clamping plate; Described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support 1 boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
The volute spring 4 of elastic vibration isolation unit is equal helix angle conical helical compression spring, is positioned over bottom vibration isolation unit damping cylinder.Bolt 5 acts on volute spring 4 top by external splint 7, produces decrement in advance, provides the elastic characteristic of linear stable in vibration processes, and obtains lower system frequency.Spring collar 6 is placed between damping slide block 8 two ends external splint 7 and inner splint 9, and apply elastic pressure on damping slide block 8, damping slide block 8 produces damping by damping bore wall friction, obtains lower system resonance reduction factor.The damping unit of elastic vibration isolation unit is by the spring collar 6 be coaxially assemblied in damping cylinder 3 housing, external splint 7, damping slide block 8, inner splint 9 forms the elastic vibration isolation unit that has damping characteristic jointly, each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
Four elastic vibration isolation unit symmetries are connected on a boss support.The top of each elastic vibration isolation unit is connected to a vibration damping connecting box by bolt 5 simultaneously, is fixed on vibration damping connecting box by vibration isolation components and parts, is placed between multiple elastic vibration isolation unit, ensures that whole system has stable integral vibration isolation performance in omnirange.Multiple elastic vibration isolation unit is all riveted on boss support 1 by tubular-shank rivet 2.Bolt 5 one end is processed with screw thread, and the other end is processed with the hole of turning over riveting.Bolt 5 is installed inner splint 9, spring collar 6, damping slide block 8, external splint 7 successively, then implement to turn over riveting at bolt 5 tail end, more incidentally volute spring 4 loads damping cylinder 3 together.Vibration damping connecting box 10 is connected to the threaded one end of bolt 5 by nut 11, and ensures that each volute spring 4 has certain decrement by design parameter, the multidirectional full-metallic Minisize integral vibration isolator that final formation is complete.
Treat that the independent entry device of vibration isolation is connected on vibration damping connecting box 10, when being moved along x or the y direction shown in accompanying drawing 1 relative to vibration isolator by the subsidiary vibration damping connecting box 10 of vibration isolation components and parts, external splint 7 along moving direction side elastic vibration isolation unit compresses volute spring 4, volute spring 4 movements along with external splint 7 of opposite side vibration isolation unit and recovering, the common elastic damping unit that formed; Meanwhile, damping slide block 8 moves along with inner splint 9 and external splint 7, with wall friction in damping cylinder 3 under the resilient force of spring collar 6, produces damping, and formation one has damped elasticity vibrating isolation system like this, realizes the isolating technique to components and parts.
When being moved along the z direction shown in accompanying drawing 2 relative to vibration isolator by the subsidiary vibration damping connecting box 10 of vibration isolation components and parts, bolt 5 on four elastic vibration isolation unit also will along with moving in the z-direction together, make volute spring 4 produce lateral deformation, produce elastic restoring force, form Flexible element; Inner splint 9 and external splint 7 produce relative movement with damping slide block 8, and under the effect of volute spring 4 precompressed elastic power, produce frictional damping, forming one has damped elasticity vibrating isolation system, realizes the isolating technique to components and parts.
Claims (10)
1. the multidirectional vibration isolator of full-metallic, comprise all around around the boss support that hollow out edge plane is protruded, be placed in the vibration damping connecting box of described boss support hollow out framework and connect firmly the elastic vibration isolation unit on described boss support (1), it is characterized in that: elastic vibration isolation unit is by being arranged in damping cylinder (3), axially connect the damping slide block (8) of volute spring (4) and axially formed by the bolt of damping collet chuck plate, described bolt is by volute spring (4) open top, spring collar (6) and described clamping plate connect firmly on the side plane of vibration damping connecting box (10), described elastic vibration isolation unit in the circumferential, connects firmly on the side plane of vibration damping connecting box around boss support (1) boss side plane, forms one and points to vibration damping connecting box by the multidirectional elastic damping vibrating isolation system in vibration isolation space.
2. the multidirectional vibration isolator of full-metallic as claimed in claim 1, is characterized in that: the volute spring (4) of elastic vibration isolation unit is equal helix angle conical helical compression spring, is positioned over bottom vibration isolation unit damping cylinder.
3. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: bolt (5) acts on volute spring (4) top by external splint (7), produce decrement in advance, the elastic characteristic of linear stable is provided in vibration processes, and obtains lower system frequency.
4. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: spring collar (6) is placed between damping slide block (8) two ends external splint (7) and inner splint (9), apply elastic pressure on damping slide block (8), damping slide block (8) produces damping by damping bore wall friction, obtains lower system resonance reduction factor.
5. the multidirectional vibration isolator of full-metallic as claimed in claim 1, is characterized in that: each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
6. the multidirectional vibration isolator of full-metallic as claimed in claim 5, it is characterized in that: four elastic vibration isolation unit are all riveted on boss support (1) by tubular-shank rivet (2), are placed between multiple elastic vibration isolation unit by vibration damping connecting box by vibration isolation components and parts.
7. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: the top of each elastic vibration isolation unit is connected to a vibration damping connecting box by bolt (5) simultaneously, be fixed on vibration damping connecting box by vibration isolation components and parts, be placed between multiple elastic vibration isolation unit.
8. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: when being moved along x or y direction by vibration isolation components and parts, along the external splint (7) compression volute spring (4) of moving direction side elastic vibration isolation unit, the volute spring (4) of opposite side vibration isolation unit then recovers along with the movement of external splint (7); Meanwhile, damping slide block (8), along with inner splint (9) and external splint (7) motion, produces damping, to the isolating technique of components and parts with wall friction in damping cylinder (3) under the resilient force of spring collar 6.
9. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: when being moved in the z-direction relative to vibration isolator by vibration isolation components and parts, bolt (5) on four elastic vibration isolation unit also will along with moving in the z-direction together, make volute spring (4) produce lateral deformation, produce elastic restoring force; Inner splint (9) and external splint (7) produce relative movement with damping slide block (8), under the effect of volute spring (4) precompressed elastic power, produce frictional damping, to the isolating technique of components and parts.
10. the multidirectional vibration isolator of full-metallic as claimed in claim 1, it is characterized in that: the damping unit of elastic vibration isolation unit is by the spring collar (6) be coaxially assemblied in damping cylinder (3) housing, external splint (7), damping slide block (8), inner splint (9) forms the elastic vibration isolation unit that has damping characteristic jointly, each vibration isolator adopts four elastic vibration isolation unit to form one around by the elastic vibration isolation unit group of vibration isolation components and parts, realizes the isolating technique to components and parts in any direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410778330.3A CN104455195B (en) | 2014-12-16 | 2014-12-16 | The multidirectional vibration isolator of all-metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410778330.3A CN104455195B (en) | 2014-12-16 | 2014-12-16 | The multidirectional vibration isolator of all-metal |
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| Publication Number | Publication Date |
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| CN104455195A true CN104455195A (en) | 2015-03-25 |
| CN104455195B CN104455195B (en) | 2016-06-15 |
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| CN201410778330.3A Active CN104455195B (en) | 2014-12-16 | 2014-12-16 | The multidirectional vibration isolator of all-metal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110279A (en) * | 2016-04-15 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Damping and the unmanned vehicle and movable equipment using the damping |
| CN110513423A (en) * | 2019-09-10 | 2019-11-29 | 北京强度环境研究所 | A kind of all-metal elastic bearing pad |
| CN113090709A (en) * | 2021-04-12 | 2021-07-09 | 西安航弓机电科技有限公司 | Inertia module with vibration isolation structure |
| CN114718986A (en) * | 2022-04-26 | 2022-07-08 | 中国电子科技集团公司第二十六研究所 | Full-suspension vibration isolation and isolation method and structure for electronic equipment |
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| CN201621225U (en) * | 2009-12-23 | 2010-11-03 | 中国飞机强度研究所 | Invertedly-mounted vibration isolation device |
| CN104196952A (en) * | 2014-07-14 | 2014-12-10 | 西安电子科技大学 | Two-freedom-degree micro type flexible hinge vibration attenuation platform and vibration attenuation method |
| CN204387200U (en) * | 2014-12-16 | 2015-06-10 | 中国电子科技集团公司第十研究所 | Multidirectional elastic damping vibration isolator |
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| JPS6110139A (en) * | 1984-06-22 | 1986-01-17 | Hitachi Ltd | Vibration isolator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110279A (en) * | 2016-04-15 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Damping and the unmanned vehicle and movable equipment using the damping |
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| CN110513423A (en) * | 2019-09-10 | 2019-11-29 | 北京强度环境研究所 | A kind of all-metal elastic bearing pad |
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| CN113090709A (en) * | 2021-04-12 | 2021-07-09 | 西安航弓机电科技有限公司 | Inertia module with vibration isolation structure |
| CN114718986A (en) * | 2022-04-26 | 2022-07-08 | 中国电子科技集团公司第二十六研究所 | Full-suspension vibration isolation and isolation method and structure for electronic equipment |
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|---|---|
| CN104455195B (en) | 2016-06-15 |
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