CN201096160Y - Rigidity-changing regulation type rubber vibration isolator - Google Patents
Rigidity-changing regulation type rubber vibration isolator Download PDFInfo
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- CN201096160Y CN201096160Y CNU2007200765719U CN200720076571U CN201096160Y CN 201096160 Y CN201096160 Y CN 201096160Y CN U2007200765719 U CNU2007200765719 U CN U2007200765719U CN 200720076571 U CN200720076571 U CN 200720076571U CN 201096160 Y CN201096160 Y CN 201096160Y
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- vibration isolator
- rubber vibration
- hole
- isolator body
- steel plate
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Abstract
The utility model relates to a variable rigidity regulating type rubber vibration isolator which comprises an upper connecting plate, a lower connecting plate and a rubber vibration isolator body which is laterally fixed between the upper and the lower connecting plates. The utility model is characterized in that the rubber vibration isolator body is a cylinder. A stressed hole is transversely forwards arranged at the middle of the cylinder. A traverse steel plate is respectively and bilaterally symmetrically embedded in the middle of the cylinders which are positioned at two sides of the stressed hole. At least one through-hole is bilaterally symmetrically arranged on each steel plate. The number of the through-holes on the two steel plates is the same, and the through holes on the two steel plates mutually correspond. The vibration isolator also comprises a clamping mechanism which comprises at least one force application screw rod and nuts matching with the screw rod. When the utility model is assembled, the force application screw rod orderly passes through the through-holes of the two steel plates and then is fixedly connected by adopting the nuts. The rubber vibration isolator body is forced to deform through fastening or loosening the nuts on the force application screw rod. The rigidity and the natural frequency of the rubber vibration isolator can be changed through adjusting the pretightening force, and thus the product characteristics can meet the design requirements. On the other hand, the influence on the creep of the rubber can be reduced or counteracted.
Description
Technical field
The utility model belongs to the Control Technique of Vibration and Noise field, relates in particular to a kind of change rigidity adjustment type rubber vibration isolator that is applicable to rigidity or highly needs to adjust.
Background technique
Existing rubber vibration isolator is generally by upper junction plate, lower connecting plate be arranged on that a plurality of rubber body between the upper and lower connecting plate are transversely arranged to be constituted.Behind the castable, generally can not change by the inherent characteristic of product (rigidity and natural frequency) in mould for each rubber body; On the other hand, after carrying a period of time, rubber vibration isolator is because of the rubber creep, its height can change, and unit (as diesel engine-high-elastic coupling-gear-box) that centering requires centering and increase backing plate is again arranged, and makes engineering work load big, length consuming time, operation inconvenience, and increase expenditure.At present, the rigidity of rubber vibration isolator can't directly be adjusted, and the research of this respect also rests on theory stage mostly.
Summary of the invention
The utility model is in order to solve the problems referred to above that prior art exists, and a kind of change rigidity adjustment type rubber vibration isolator that can be directly used in engineering that provides, the rubber vibration isolator in this vibrating isolation system in use, its rigidity or highly can regulate.
The technological scheme that the utility model is taked is: becomes rigidity adjustment type rubber vibration isolator, comprises that upper junction plate, lower connecting plate and crosswise fixed are arranged on the rubber vibration isolator body between the lower connecting plate, be characterized in,
Described rubber vibration isolator body is a cylinder, traverses before and after the central authorities of this cylinder and is provided with a stress hole; The middle bilateral symmetry of cylinder that is positioned at these stress hole both sides respectively is embedded with a horizontal steel plate; Traverse about on described each steel plate and be provided with at least one through hole, the identical and mutual correspondence of the number of openings on described two steel plates;
Also comprise a fastening device; Described fastening device comprise at least one application of force screw rod and with the supporting nut of this screw rod;
During assembling, described application of force screw rod adopts nut fixedly connected after passing through the through hole of two steel plates in proper order, makes rubber vibration isolator body stress deformation by the nut that screws or unclamp on the application of force screw rod.
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, the diameter of described stress hole is greater than the thickness of described steel plate.
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, described this body section of rubber vibration isolator is octahedral shape.
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, the steel plate of the described rubber vibration isolator body left and right sides is concordant with end face.
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, the steel plate of the described rubber vibration isolator body left and right sides is shorter than rubber vibration isolator body exterior edge face, forms a groove; Also comprise two supplementary plates, be separately positioned in the described groove, concordant with described exterior edge face.
Above-mentioned change rigidity adjustment type rubber vibration isolator wherein, also comprises two pads, is separately positioned on the rubber vibration isolator body left and right sides; Described pad is consistent with described rubber vibration isolator body end faces of both sides shape, and size is identical; Described pad be provided with can be by stressed screw rod through hole, the through hole that is provided with on the steel plate of described through hole and centre, rubber vibration isolator body both sides is corresponding.
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, the through hole that is provided with on the steel plate of described rubber vibration isolator body is two, will clamp rubber vibration isolator body both sides by two application of force screw rods, nut, makes rubber vibration isolator body stress deformation.
Above-mentioned change rigidity adjustment type rubber vibration isolator wherein, also comprises two pads, is separately positioned on the rubber vibration isolator body left and right sides; On the steel plate in the middle of the corresponding described rubber vibration isolator body of described each pad both sides two through holes are set
Above-mentioned change rigidity adjustment type rubber vibration isolator, wherein, both sides respectively are provided with at least one attachment hole respectively on described upper junction plate and the lower connecting plate.
Above-mentioned change rigidity adjustment type rubber vibration isolator wherein, also comprises a rubber washer, is arranged between nut and rubber vibration isolator body one side.
The utility model is owing to adopted above technological scheme, be provided with the stress hole that front and back connect in the centre of rubber vibration isolator body, in the middle of being positioned at the rubber vibration isolator body of stress hole both sides, be provided with steel plate, be provided with through hole on the described steel plate again, adopt screw rod to pass the through hole of steel plate, adopt nut to connect again and be one, change clamping force by regulating screwing force with the screw rod nut engaged to the rubber vibration isolator body, thereby make the vibration isolator body distortion, change height, rigidity and the natural frequency of whole rubber vibration isolator body, improved vibration isolating effect.
Description of drawings
Concrete structure of the present utility model is further provided by embodiment and accompanying drawing thereof once.
Fig. 1 is a decomposition texture schematic representation of the present utility model.
Fig. 2 is an overall structure schematic representation of the present utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Embodiment
See also Fig. 1～3.The utility model becomes rigidity adjustment type rubber vibration isolator, comprises that upper junction plate 1, lower connecting plate 2 and crosswise fixed are arranged on the rubber vibration isolator body 3 between the lower connecting plate.Described rubber vibration isolator body is a cylinder, and present embodiment adopts the cross section to be eight prisms of octahedral shape, and it is used to be provided with upper junction plate 1 and lower connecting plate 2 in two planes up and down.Respectively be provided with a plurality of attachment holes 11,21 on described upper junction plate 1 and the lower connecting plate 2 respectively.Traverse before and after the central authorities of described rubber vibration isolator body and be provided with a stress hole 31, the middle bilateral symmetry of rubber vibration isolator body that is positioned at these stress hole both sides respectively is embedded with a horizontal steel plate 41,42; Traversing about on described each steel plate and be provided with at least one through hole, is example with steel plate 42 among the figure, is provided with two through holes 421.Identical and the mutual correspondence of number of openings on two steel plates.
Also comprise a fastening device 5; Described fastening device comprise at least one application of force screw rod and with the supporting nut of this screw rod.Therefore present embodiment is made as two application of force screw rods 511,512 and nut 61,62 because the through hole that is provided with on the steel plate has two.During assembling, described each application of force screw rod order respectively adopts nut fixedly connected after passing through the through hole of two steel plates, makes rubber vibration isolator body stress deformation by the nut that screws or unclamp on the application of force screw rod.Between nut and rubber vibration isolator body one side, a rubber washer 71,72 can also be set.
For guaranteeing the amount of deformation of rubber vibration isolator body, the utility model becomes in the rigidity adjustment type rubber vibration isolator, and the diameter of described stress hole is greater than the thickness of described steel plate.
The utility model becomes in the rigidity adjustment type rubber vibration isolator, and the outer rim of the steel plate of the left and right sides can be concordant with exterior edge face, the rubber vibration isolator body left and right sides in the described rubber vibration isolator body, also can be slightly to be shorter than the exterior edge face, forms a groove.When the outer rim of the steel plate of the described rubber vibration isolator body left and right sides slightly is shorter than exterior edge face, the rubber vibration isolator body left and right sides and forms a groove, also comprise two supplementary plates 81,82, be separately positioned in the described groove, its outer surface was concordant with the exterior edge face after described supplementary plate was installed in the described groove.The also corresponding through hole that is provided with in position of the through hole on the corresponding described steel plate of described supplementary plate is an example with supplementary plate 81, is provided with through hole 811.
For making the utility model become the distortion of rigidity adjustment type rubber vibration isolator evenly, the utility model becomes rigidity adjustment type rubber vibration isolator and also comprises two pads 91,92, is separately positioned on the rubber vibration isolator body left and right sides; Described pad is consistent with described rubber vibration isolator body end faces of both sides shape, and size is identical; Described pad be provided with can be by stressed screw rod through hole 911,921, the through hole that is provided with on the steel plate of described through hole and centre, rubber vibration isolator body both sides is corresponding.During installation, pad 91 and pad 92 are placed on the both sides of rubber vibration isolator body respectively, described application of force screw rod passes through the through hole of through hole, the rubber vibration isolator body one side steel plate of pad 91 in proper order, adopts nut 61,62 fixedly connected after passing through through hole in the middle of the rubber vibration isolator body, pass through the through hole of rubber vibration isolator body opposite side steel plate and passing through the through hole of pad 92, by the clamping force that screws the upper cap nut of application of force screw rod two stressed plates are clamped in rubber vibration isolator body both sides, make rubber vibration isolator body stress deformation.
Before rubber vibration isolator is installed, compress by the transverse dimension L that calculates rubber vibration isolator, the size of decrement Δ L is corresponding with the rigidity or the height size that need to regulate.In installation and the using process, change the rigidity and the height of rubber vibration isolator by the big or small L that regulates transverse dimension, thereby make its rigidity, natural frequency and bearing capacity adjustable.
The utility model is used for having rigidity or adjusts the isolation mounting of the band rubber vibration isolator that requires highly among a small circle, installation that pair neutrality requires has for example the been arranged unit of rubber vibration isolator (diesel engine-high-elastic coupling-gear-box) isolation mounting; Rigidity needs adjustable among a small circle vibrating isolation system.Change the rigidity and the natural frequency of rubber vibration isolator by the size of adjusting pretightening force, product performance is met design requirement more easily; Can reduce or offset the influence of the creep of rubber on the other hand.
Claims (10)
1, become rigidity adjustment type rubber vibration isolator, comprise that upper junction plate, lower connecting plate and crosswise fixed are arranged on the rubber vibration isolator body between the lower connecting plate, it is characterized in that,
Described rubber vibration isolator body is a cylinder, traverses before and after the central authorities of this cylinder and is provided with a stress hole; The middle bilateral symmetry of cylinder that is positioned at these stress hole both sides respectively is embedded with a horizontal steel plate; Traverse about on described each steel plate and be provided with at least one through hole, the identical and mutual correspondence of the number of openings on described two steel plates;
Also comprise a fastening device; Described fastening device comprise at least one application of force screw rod and with the supporting nut of this screw rod;
During assembling, described application of force screw rod adopts nut fixedly connected after passing through the through hole of two steel plates in proper order, makes rubber vibration isolator body stress deformation by the nut that screws or unclamp on the application of force screw rod.
2, change rigidity adjustment type rubber vibration isolator according to claim 1 is characterized in that the diameter of described stress hole is greater than the thickness of described steel plate.
3, change rigidity adjustment type rubber vibration isolator according to claim 1 is characterized in that described this body section of rubber vibration isolator is octahedral shape.
4, according to claim 1 or 3 described change rigidity adjustment type rubber vibration isolators, it is characterized in that the steel plate of the described rubber vibration isolator body left and right sides is concordant with end face.
5, according to claim 1 or 3 described change rigidity adjustment type rubber vibration isolators, it is characterized in that the outer rim of the steel plate of the described rubber vibration isolator body left and right sides is shorter than exterior edge face, rubber vibration isolator body both sides, forms a groove; Also comprise two supplementary plates, be separately positioned in the described groove, concordant with described exterior edge face.
6, according to claim 1 or 3 described change rigidity adjustment type rubber vibration isolators, it is characterized in that, also comprise two pads, be separately positioned on the rubber vibration isolator body left and right sides; Described pad is consistent with the exterior edge face shape of described rubber vibration isolator body both sides, and size is identical; Described pad be provided with can be by stressed screw rod through hole, the through hole that is provided with on the steel plate of described through hole and centre, rubber vibration isolator body both sides is corresponding.
7, change rigidity adjustment type rubber vibration isolator according to claim 1, it is characterized in that, the through hole that is provided with on the steel plate of described rubber vibration isolator body is two, will clamp rubber vibration isolator body both sides by two application of force screw rods, nut, makes rubber vibration isolator body stress deformation.
8, change rigidity adjustment type rubber vibration isolator according to claim 7 is characterized in that, also comprises two pads, is separately positioned on the rubber vibration isolator body left and right sides; On the steel plate in the middle of the corresponding described rubber vibration isolator body of described each pad both sides two through holes are set
9, change rigidity adjustment type rubber vibration isolator according to claim 1 is characterized in that both sides respectively are provided with at least one attachment hole respectively on described upper junction plate and the lower connecting plate.
10, change rigidity adjustment type rubber vibration isolator according to claim 1 is characterized in that, also comprises a rubber washer, is arranged between nut and rubber vibration isolator body one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200765719U CN201096160Y (en) | 2007-11-09 | 2007-11-09 | Rigidity-changing regulation type rubber vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200765719U CN201096160Y (en) | 2007-11-09 | 2007-11-09 | Rigidity-changing regulation type rubber vibration isolator |
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| Publication Number | Publication Date |
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| CN201096160Y true CN201096160Y (en) | 2008-08-06 |
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| CNU2007200765719U Expired - Fee Related CN201096160Y (en) | 2007-11-09 | 2007-11-09 | Rigidity-changing regulation type rubber vibration isolator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305260A (en) * | 2011-08-23 | 2012-01-04 | 蔡元奇 | Diaphragm type long-travel unidirectional spring mechanism |
| CN104653696A (en) * | 2014-12-10 | 2015-05-27 | 抚顺博宇噪声控制技术开发有限公司 | Module type secondary vibration isolator |
| CN104995427A (en) * | 2013-02-11 | 2015-10-21 | 西门子公司 | Device for mechanically adjusting a vibration behaviour of a machine element |
| CN105333047A (en) * | 2015-09-15 | 2016-02-17 | 浙江吉利汽车研究院有限公司 | Dynamic vibration absorber |
| CN107023736A (en) * | 2017-04-28 | 2017-08-08 | 拓卡奔马机电科技有限公司 | A kind of stiffness-adjustable frame foot pad |
| CN108930746A (en) * | 2018-07-06 | 2018-12-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of Meta Materials vibration isolator with adjustable nonlinear mechanics feature |
-
2007
- 2007-11-09 CN CNU2007200765719U patent/CN201096160Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305260A (en) * | 2011-08-23 | 2012-01-04 | 蔡元奇 | Diaphragm type long-travel unidirectional spring mechanism |
| CN102305260B (en) * | 2011-08-23 | 2013-01-02 | 蔡元奇 | Diaphragm type long-travel unidirectional spring mechanism |
| CN104995427A (en) * | 2013-02-11 | 2015-10-21 | 西门子公司 | Device for mechanically adjusting a vibration behaviour of a machine element |
| CN104653696A (en) * | 2014-12-10 | 2015-05-27 | 抚顺博宇噪声控制技术开发有限公司 | Module type secondary vibration isolator |
| CN105333047A (en) * | 2015-09-15 | 2016-02-17 | 浙江吉利汽车研究院有限公司 | Dynamic vibration absorber |
| CN107023736A (en) * | 2017-04-28 | 2017-08-08 | 拓卡奔马机电科技有限公司 | A kind of stiffness-adjustable frame foot pad |
| CN107023736B (en) * | 2017-04-28 | 2019-05-03 | 拓卡奔马机电科技有限公司 | A kind of stiffness-adjustable rack foot pad |
| CN108930746A (en) * | 2018-07-06 | 2018-12-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of Meta Materials vibration isolator with adjustable nonlinear mechanics feature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20111109 |