CN103225663B - Vibration control equipment - Google Patents
Vibration control equipment Download PDFInfo
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- CN103225663B CN103225663B CN201310036469.6A CN201310036469A CN103225663B CN 103225663 B CN103225663 B CN 103225663B CN 201310036469 A CN201310036469 A CN 201310036469A CN 103225663 B CN103225663 B CN 103225663B
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- vibration control
- control equipment
- viscoelasticity
- supporting member
- viscoelasticity component
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Abstract
Disclose a kind of vibration control equipment, it comprise be arranged on attachment face and place on attachment face object between viscoelasticity component; And be arranged to the supporting member with viscoelasticity Components Matching, this supporting member extends to lower end from the upper end of viscoelasticity component, and has the higher rigidity of specific viscosity resilient member.
Description
Technical field
A kind of pattern of the present invention relates to vibration control equipment.
Background technique
Be widely known by the people for suppressing the vibration control equipment being placed on vibrating objects on attachment face (such as, rocking due to seismic).Such as, at Japanese Unexamined Patent Application Publication No.2003-213961(patent document 1) in describe a kind of shock isolation system be arranged between ground and construction element or its supporting substrate.This shock isolation system has and is attached at ground first supporting member and is attached at the second supporting member on construction element or its supporting substrate, and is included in and has the slider of shock sucking function when component slides over each other and have the rubber composition of spring function.In addition, at the open No.3110660(patent document 2 of Japanese utility model application registration) in describe a kind of auxiliary device for antivibration pad, this antivibration pad is used in mounting object bottom surface and has absorbing performance and viscosity.
Patent document 1: Japanese Unexamined Patent Application Publication No.2003-213961
Patent document 2: the open No.3110660 of Japanese utility model application registration
But such as the bump leveller such as above-mentioned rubber composition or antivibration pad is often out of shape from mounting object received under the effect of vertical direction load.Vibration control performance due to bump leveller depends on its shape, and therefore when bump leveller is out of shape, bump leveller no longer shows its original vibration control performance (vibration control performance during design).Therefore, there is the demand of the vibration control hydraulic performance decline suppressing design.
Summary of the invention
According to the vibration control equipment of a kind of pattern of the present invention, it comprise be arranged on attachment face and place on attachment face object between viscoelasticity component; And be arranged to the supporting member with viscoelasticity Components Matching, it extends to lower end from the upper end of viscoelasticity component, and has the higher rigidity of specific viscosity resilient member.
According to this pattern, because the rigidity of supporting member is higher than the rigidity of viscoelasticity component, therefore receive the load from the object in the vertical direction on attachment face by supporting member.Therefore, consequently, inhibit the distortion of the viscoelasticity component caused by load, and the decline of the vibration control performance designed can be suppressed.
In the vibration control equipment of another pattern, the through hole extending to upper end from lower end in viscoelasticity component, can be formed with, and supporting member can hold in through-holes.
In the vibration control equipment of another pattern, at viscoelasticity member center, place can be formed with through hole.
In the vibration control equipment of another pattern, multiple through hole can be formed with in viscoelasticity component, and supporting member can be contained in each through hole.
In the vibration control equipment of another pattern, supporting member is the bar extending to lower end from viscoelasticity component upper end.
In the vibration control equipment of another pattern, supporting member can be spheroid.
In the vibration control equipment of another pattern, between attachment face and object, multiple spaced viscoelasticity component can be set along attachment face; And supporting member can be set between multiple viscoelasticity component.
In the vibration control equipment of another pattern, supporting member can be arranged on the outside of viscoelasticity component.
In the vibration control equipment of another pattern, at least one block of plate in the lower plate covering viscoelasticity component lower end and both the upper plates covering viscoelasticity component upper end can be set further, and at least one block of plate can have the higher rigidity of specific viscosity resilient member.
In the vibration control equipment of another pattern, can lower plate and upper plate be set, and lower plate and upper plate all can have the higher rigidity of specific viscosity resilient member.
In the vibration control equipment of another pattern, the screw waiting to be screwed into the tapped hole be formed in object can be set on upper plate.
In the vibration control equipment of another pattern, supporting member can be formed by metallic material or plastics manufacture.
According to an aspect of the present invention, the decline of the vibration control performance designed can be suppressed.
Accompanying drawing explanation
Fig. 1 is the perspective view of the vibration control equipment of the first embodiment.
Fig. 2 is the sectional view (vertical section figure) along Fig. 1 line II-II.
Fig. 3 is the sectional view (horizontal sectional view) along Fig. 2 line III-III.
Fig. 4 (a) shows the view of the attachment of vibration control equipment shown in Fig. 1 example, and Fig. 4 (b) and Fig. 4 (c) is the view of the operation for showing vibration control equipment.
Fig. 5 is the perspective view of the vibration control equipment of the second embodiment.
Fig. 6 is the sectional view (vertical section figure) along Fig. 5 line VI-VI.
Fig. 7 is the sectional view (horizontal sectional view) along Fig. 6 line VII-VII.
Fig. 8 is the sectional view of VII-VII (horizontal sectional view) along the line, it illustrates the change example of supporting member in the second embodiment.
Fig. 9 shows the horizontal sectional view of vibration control equipment change example.
Figure 10 (a) and Figure 10 (b) shows the horizontal sectional view of other change examples of vibration control equipment.
Figure 11 shows the horizontal sectional view of the another change example of vibration control equipment.
Embodiment
With reference to accompanying drawing, embodiments of the invention will be described in more detail below.In the description of the drawings, identical or equivalent element uses identical reference character to represent, and the repetitive description thereof will be omitted.
First, Fig. 1 to Fig. 4 is used to describe the vibration control equipment 10 of the first embodiment.Vibration control equipment (vibration damper) 10 is the equipment for suppressing to be placed on required vibrating objects on attachment face.Vibration control equipment 10 can be used to suppress rocking such as by object on seismic attachment face, and can be applicable in various device.
Vibration control equipment 10 also can be used to suppress such as to be placed on rocking of furniture on floor or electrical equipment.Alternatively, vibration control equipment 10 can be arranged on building substructure or between ground and structural element disposed thereon, or is arranged between the structural element of upper and lower, to suppress rocking of building.Therefore, the example of attachment face comprises floor, ground, substructure, ground, structural element etc., and object (hereinafter also referred to as " the mounting object ") example be arranged on attachment face comprises furniture, electrical equipment, structural element etc.Certainly, attachment face and mounting object are not limited to above-mentioned example.In addition, the size of vibration control equipment 10 can be determined on demand according to the device of application.
As shown in Figure 1, vibration control equipment 10 comprises upper plate 12 that the lower plate 11 that contacts with attachment face contacts with mounting object, is arranged on the viscoelasticity component 20 between this two boards and is arranged to the screw 30 that upwards extends from roughly upper plate 12 center.Lower plate 11 and upper plate 12 are attached on viscoelasticity component 20 by the adhesiveness of viscoelasticity component 20 self.For strengthening lower plate 11, Adhesion force between upper plate 12 and viscoelasticity component 20 further, the surface of the viscoelasticity component 20 contacted with two plates can scribble priming paint.
In the present embodiment, the main body of vibration control equipment 10 is roughly configured as cylindrical at (not comprising screw 30), but, the not special restriction of shape of vibration control equipment 10.Such as, by lower plate 11 and upper plate 12 being made rectangle and giving viscoelasticity component 20 with prismatic, prismatic main body can be obtained.In addition, although in the present embodiment, lower plate 11 and upper plate 12 have identical size, and these sizes can be different from each other.For improving the usability of vibration control equipment 10, the same with the present embodiment, the outer surface of viscoelasticity component 20 can be positioned at the inner side more farther than the outer peripheral portion of lower plate 11 and upper plate 12, or each parts can be molded as and make outer surface and outer peripheral portion alignment.
Further as shown in Figures 2 and 3, screw 30 is integrally moulded with the bar 40 vertically extended below screw 30.Screw 30 and bar 40 through be roughly formed in upper plate 12 center hole and by such as welding, the technology such as bonding fixes, thus is integrally formed with upper plate 12.
Bar 40 is the supporting members for preventing viscoelasticity component 20 to be out of shape due to the load on vertical direction.For being arranged in the scope between lower plate 11 and upper plate 12 by bar 40, be formed with through hole 21 in the approximate center of viscoelasticity component 20, therefore, viscoelasticity component 20 can be considered to have annular shape.Bar 40 through this through hole 21 is arranged to mate with viscoelasticity component 20 (or being adjusted to the internal surface being parallel to viscoelasticity component 20) from upper end (upper surface) to the lower end (lower surface) of viscoelasticity component 20.The lower end of bar 40 contacts with lower plate 11 but is not fixed in lower plate 11.
As shown in Figure 3, because the diameter of through hole 21 is arranged to the diameter being greater than bar 40 in the present embodiment, thus between bar 40 and the side of through hole 21 Existential Space.The reason setting up such space is convenient to bar 40 to penetrate adhesiveness without the need to considering viscoelasticity component 20 self in viscoelasticity component 20, but, determine that whether will set up such space can determine on demand.
Viscoelasticity component 20 is the bump levellers be made up of viscoelastic materials such as such as acrylic resins, and viscoelasticity component 20 example is the ISD111 manufactured by 3M company.On the other hand, lower plate 11, upper plate 12, screw 30 and bar 40 are made up of the such as metallic material such as iron or aluminium, plastics etc.The each component materials of vibration control equipment 10 is not limited to those materials above-mentioned, but the rigidity (also can be described as elasticity) of bar 40 must at least higher than the rigidity of viscoelasticity component 20.This be in order to prevent when not having vibrational energy to be applied on mounting object at ordinary times, viscoelasticity component 20 is out of shape due to the load from mounting object in the vertical direction.For the same reason, the rigidity of lower plate 11 and upper plate 12 is configured to the rigidity higher than viscoelasticity component 20.
Figure 4 illustrates the example that vibration control equipment 10 is installed and operated.Fig. 4 (a) schematically shows the example using vibration control equipment 10 when being placed on the B of floor by a piece of furniture F.Screw 30 is screwed into the tapped hole (not shown) formed in furniture F.When there is faint rocking, as shown in Figure 4 (b), the upper plate 12 be integrally formed and bar 40(and screw 30) swing relative to lower plate 11, and in viscoelasticity component 20, there is vertically strain.Then due to this distortion of viscoelasticity component 20, vibrational energy is absorbed by viscoelasticity component 20, and therefore reduces rocking of furniture F.When there is strong rocking, as shown in Figure 4 (c), the upper plate 12 be integrally formed and bar 40(and screw 30) by transverse force transverse shift, make, in viscoelasticity component 20, shearing strain occurs.Then between bar 40 and lower plate 11, produce frictional force, and due to the distortion of viscoelasticity component 20, vibrational energy is absorbed by viscoelasticity component 20, therefore reduce rocking of furniture F.
Like this, vibration control equipment 10 suppresses rocking of mounting object mainly through viscoelasticity component 20 absorbing vibrational energy.The performance of viscoelasticity component 20 is limited to (3) by formula (1) below.
Kd'=(A'/t')·G'...(1)
Cd=(η/2πf)·Kd'...(2)
K'=(A'/t')·E'...(3)
Here, Kd' is the shearing rigidity of viscoelasticity component 20; A' is the bond area on viscoelasticity component 20 (is parallel to the direction of upper plate 12) in the horizontal direction; T' is the thickness on viscoelasticity component 20 vertical direction; And G' is the storage shear ratio of rigidity of viscoelasticity component 20.The viscosity coefficient of Cd viscoelasticity component 20; η is the loss coefficient of viscoelasticity component 20; And f is energizing frequency.K' is the vertical stiffness of viscoelasticity component 20; And E' is the vertical Young's modulus of energy storage on viscoelasticity component 20 vertical direction.The vertical elastic modulus E of this energy storage ' use Poisson's ratio v by E '=3G'(1+v) limit.
As can be seen from above-mentioned formula (1) to (3), the performance of viscoelasticity component 20 depend on cross-sectional area A ' and thickness t'.Therefore, the change of this cross-section area and this thickness means the change of viscoelasticity component 20 performance (shearing rigidity, viscosity coefficient and vertical stiffness).Therefore, as long as design parameter A' and t' relating to viscoelasticity component 20 shape can keep, so the vibration control performance of viscoelasticity component 20 just can keep, and then the vibration control performance of vibration control equipment 10 just can keep.
In the present embodiment, vibration control equipment 10 is designed such that the rigidity of the rigidity of bar 40 higher than viscoelasticity component 20.Here, the vertical stiffness K of bar 40 uses cross-sectional area A, the height t of bar 40 and the vertical elastic modulus E of bar 40 in bar 40 substantially horizontal to be limited by formula (4) below.
K=(A/t)·E...(4)
Bar 40 vertical stiffness K can be three times of the vertical stiffness K' of viscoelasticity component 20 or more times.In other words, vibration control equipment 10 can be configured to meet K >=3K'.
As mentioned above, because the rigidity of bar 40 is higher than the rigidity of viscoelasticity component 20, so receive the load from mounting object in the vertical direction by bar 40.Consequently, the distortion (extruding) (in other words, maintaining the shape of the viscoelasticity component 20 represented by cross-section area or thickness) that inhibit viscoelasticity component 20 to cause due to this load, therefore, it is possible to the decline suppressing the vibration control performance of design.
In addition, because the lower surface of viscoelasticity component 20 and upper surface covered by the lower plate 11 and upper plate 12 with the higher rigidity of specific viscosity resilient member 20 respectively, thus the distortion (extruding) that viscoelasticity component 20 can be suppressed further to cause due to the load on vertical direction, and the decline of the vibration control performance designed can be suppressed more reliably.The shape of lower plate 11 and upper plate 12 is also limited by the cross-sectional area A in substantially horizontal and height (thickness) t, and therefore, vertical stiffness can be determined with the same way the same with bar 40 situation.The same with bar 40 situation, the vertical stiffness of lower plate 11 and upper plate 12 can be three times of the vertical stiffness of viscoelasticity component 20 or more times respectively.
In addition, the screw 30 in the present embodiment can be omitted.
Next, Fig. 5 to Fig. 8 is used to describe the vibration control equipment 10A of the second embodiment.2 between this vibration control equipment 10A and the vibration control equipment 10 of the first embodiment are not both the shape of supporting member and do not arrange screw (see Fig. 5).In addition, other structures of the present embodiment are identical with the first embodiment, and therefore, the description thereof will be omitted, and will be described below these distinctive structures of the present embodiment.
As shown in Figure 6 and Figure 7, the spheroid 50 be made up of first embodiment's king-rod 40 same material is contained in the through hole 21 of the annular viscoelasticity component 20 be folded between lower plate 11 and upper plate 12.The top and bottom of this spheroid 50 contact with lower plate 11 with upper plate 12 respectively, and therefore the diameter of spheroid 50 is identical with the height of through hole 21.The side of spheroid 50 with the contacts side surfaces of through hole 21 or can keep suitable distance with its side.The quantity being contained in the spheroid 50 in through hole 21 can be a spheroid as shown in Figure 7, or multiple spheroid (such as, three) as shown in Figure 8.The same with the first embodiment, the vertical stiffness of spheroid 50 can be three times of viscoelasticity component 20 vertical stiffness or more times.
Object is placed on attachment face and also inserts vibration control equipment 10A betwixt, when shaking, upper plate 12 swings around the point of contact with spheroid 50, make vertically strain occurs in viscoelasticity component 20, or upper plate 12 is by transverse force transverse shift, make, in viscoelasticity component 20, shearing strain occurs.Then due to this distortion of viscoelasticity component 20, vibrational energy is absorbed by viscoelasticity component 20, thus decreases rocking of mounting object.
Equally in the present embodiment, because the rigidity of spheroid 50 is higher than the rigidity of viscoelasticity component 20, so receive the load from mounting object in the vertical direction by spheroid 50.Consequently, the distortion of the viscoelasticity component 20 caused owing to inhibit this load, therefore, it is possible to the decline suppressing the vibration control performance of design.The distortion (extruding) of the viscoelasticity component 20 caused due to the load on vertical direction by lower plate 11 and the further suppression of upper plate 12, this can suppress the decline of the vibration control performance designed more reliably.
In the present embodiment, because spheroid 50 is used as supporting member, therefore between supporting member and lower plate 11, upper plate 12, produce friction hardly.Therefore, it is possible to obtain the shearing strain of viscoelasticity component 20 immediately and can not be suppressed by friction.Consequently, vibrational energy can be made comparatively early the stage is absorbed by viscoelasticity component 20, and therefore, it is possible to suppress rocking of mounting object further.
Based on embodiment, describe the present invention in detail hereinbefore.But, the invention is not restricted to above-described embodiment.The present invention can carry out various change in the scope not departing from its purport.The Fig. 9 to Figure 11 hereafter illustrated is the level cross-sectionn figure corresponding to Fig. 3, Fig. 7 and Fig. 8.
In the various embodiments described above, be formed with through hole in the center of viscoelasticity component and supporting member is accommodated therein.But the position of supporting member is not limited to this position.Such as, the vibration control equipment 10B shown in Fig. 9 is also in protection scope of the present invention.In this vibration control equipment 10B, be formed with four through holes 21 at viscoelasticity component 20 periphery, and accommodate spheroid 50 in each through hole.In this case, supporting member also can be bar.In addition, also through hole 21 can be all formed with in the position of the center of viscoelasticity component and outside (four positions such as, shown in Fig. 9).
In the various embodiments described above, in viscoelasticity component, be formed with through hole, and supporting member is accommodated therein, so the side of supporting member is covered by viscoelasticity component completely.But the position relationship between supporting member and viscoelasticity component is not limited to this relation.Such as, the vibration control equipment 10C shown in Figure 10 is also in protection scope of the present invention.In Figure 10 (a), four angles of lower plate 11 are provided with four spaced viscoelasticity components 20, and are provided with single bar 40 in center.In Figure 10 (b), between every two corresponding viscoelasticity components 20, be respectively arranged with single bar 40.Like this, multiple spaced viscoelasticity component can be set along attachment face, and supporting member can be set between viscoelasticity component.
Alternatively, the vibration control equipment 10D shown in Figure 11 is also in protection scope of the present invention.In this vibration control equipment 10D, viscoelasticity component 20 is arranged on center, and four bars 40 are arranged on the outside of viscoelasticity component 20.
Such as also can be applicable to have the vibration control equipment of substantial cylindrical shape in such as the first and second embodiments in the change example shown in Figure 10 and Figure 11.In addition, in the change example illustrated in the drawings, can each bar be fixed on upper plate 12 or be fixed in lower plate 11.
The shape of supporting member is not limited to bar or spheroid.Such as, the supporting member with the such as taper such as circular cone, quadrangular pyramid can also be adopted.In this case, by welding, bonding etc., supporting member is fixed in upper plate or lower plate.
In the above-described first embodiment, use screw 30 to be fixed on mounting object by vibration control equipment 10, but another kind of mechanism also can be used to reach identical object.Such as, multiple tapped hole can be set at upper plate periphery, and these tapped holes can align with the tapped hole be arranged in mounting object and use screw fastening, be fixed on mounting object by vibration control equipment.
One or two that also can omit in upper plate and lower plate all omits.Such as, the vibration control equipment of one or more viscoelasticity component and one or more supporting member is comprised also in protection scope of the present invention.When omitting lower plate, the lower surface of viscoelasticity component is attached on attachment face, and the lower end of supporting member contacts with attachment face.When omitting upper plate, the upper surface of viscoelasticity component is attached on the lower surface of mounting object, and the upper end of supporting member contacts with the lower surface of mounting object.For this vibration control equipment, because the rigidity of supporting member is higher than the rigidity of viscoelasticity component, therefore receive the load from mounting object in the vertical direction by supporting member.Consequently, inhibit because load causes the distortion (extruding) of viscoelasticity component, therefore, it is possible to suppress the decline of the vibration control performance of design.
Claims (10)
1. a vibration control equipment, it comprise be arranged on attachment face and place on described attachment face object between viscoelasticity component; And
Be arranged to the supporting member with described viscoelasticity Components Matching, this supporting member extends to lower end from the upper end of described viscoelasticity component, and has the rigidity higher than described viscoelasticity component,
Wherein, between described attachment face and described object, multiple spaced viscoelasticity component is set along described attachment face; And
In gap between every two adjacent viscoelasticity components, a supporting member is set.
2. vibration control equipment according to claim 1, wherein, described supporting member is the bar extending to lower end from described viscoelasticity component upper end.
3. vibration control equipment according to claim 1, wherein, described supporting member is spheroid.
4., according to the vibration control equipment in claims 1 to 3 described in any one claim, also comprise at least one block of plate in the lower plate covering described viscoelasticity component lower end and both the upper plates covering described viscoelasticity component upper end;
Wherein, this at least one block of plate has the rigidity higher than described viscoelasticity component.
5. vibration control equipment according to claim 4, it comprises described lower plate and described upper plate;
Wherein, described lower plate and described upper plate all have the rigidity higher than described viscoelasticity component.
6. vibration control equipment according to claim 5, is also included in the screw described upper plate being waited to be screwed into the tapped hole be formed in described object.
7. according to the vibration control equipment in claims 1 to 3 described in any one claim, wherein, described supporting member comprises metallic material or plastics.
8. vibration control equipment according to claim 4, wherein, described supporting member comprises metallic material or plastics.
9. vibration control equipment according to claim 5, wherein, described supporting member comprises metallic material or plastics.
10. vibration control equipment according to claim 6, wherein, described supporting member comprises metallic material or plastics.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-018367 | 2012-01-31 | ||
| JP2012018367 | 2012-01-31 | ||
| JP2012225414A JP6150489B2 (en) | 2012-01-31 | 2012-10-10 | Vibration control device |
| JP2012-225414 | 2012-10-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103225663A CN103225663A (en) | 2013-07-31 |
| CN103225663B true CN103225663B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310036469.6A Expired - Fee Related CN103225663B (en) | 2012-01-31 | 2013-01-30 | Vibration control equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN103225663B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6036721B2 (en) * | 2014-02-06 | 2016-11-30 | マツダ株式会社 | Vehicle body structure |
| CN104595636A (en) * | 2014-12-25 | 2015-05-06 | 贵州黔程天力智能科技有限公司 | Receiver damping supporting base |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790521A (en) * | 1985-10-03 | 1988-12-13 | Nissan Motor Company, Limited | Anti-vibration apparatus for mounting a power unit on a supporting body with suppression of vibrations |
| CN1108336A (en) * | 1994-03-07 | 1995-09-13 | 工业研究有限公司 | Energy absorbers and methods of manufacture |
| CN1421582A (en) * | 2001-11-26 | 2003-06-04 | 李兆治 | Shock isolation support |
| CN1601170A (en) * | 2003-09-26 | 2005-03-30 | 建兴电子科技股份有限公司 | Dismountable shock absorption footpads |
| CN102007317A (en) * | 2008-03-14 | 2011-04-06 | 减振技术公司 | Bearing for structures |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62237133A (en) * | 1986-12-19 | 1987-10-17 | Bridgestone Corp | Vibration-proof support-body |
-
2013
- 2013-01-30 CN CN201310036469.6A patent/CN103225663B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790521A (en) * | 1985-10-03 | 1988-12-13 | Nissan Motor Company, Limited | Anti-vibration apparatus for mounting a power unit on a supporting body with suppression of vibrations |
| CN1108336A (en) * | 1994-03-07 | 1995-09-13 | 工业研究有限公司 | Energy absorbers and methods of manufacture |
| CN1421582A (en) * | 2001-11-26 | 2003-06-04 | 李兆治 | Shock isolation support |
| CN1601170A (en) * | 2003-09-26 | 2005-03-30 | 建兴电子科技股份有限公司 | Dismountable shock absorption footpads |
| CN102007317A (en) * | 2008-03-14 | 2011-04-06 | 减振技术公司 | Bearing for structures |
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| CN103225663A (en) | 2013-07-31 |
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Granted publication date: 20160413 Termination date: 20180130 |