CN105179541A - Damping elastic body - Google Patents
Damping elastic body Download PDFInfo
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- CN105179541A CN105179541A CN201510328839.2A CN201510328839A CN105179541A CN 105179541 A CN105179541 A CN 105179541A CN 201510328839 A CN201510328839 A CN 201510328839A CN 105179541 A CN105179541 A CN 105179541A
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- aperture section
- elastomer body
- aperture
- hole
- damping elastomer
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- Vibration Dampers (AREA)
Abstract
The invention provides a damping elastic body which comprises a first hole diameter section and a second hole diameter section. The second hole diameter section is connected with the first hole diameter section and located below the first hole diameter section, the first hole diameter section is provided with a reversed conic hole with the hole diameter gradually reduced from top to bottom, and the second hole diameter section is provided with an upright conic hole with the hole diameter gradually increased from top to bottom. In the reciprocating vibration process of a workpiece, the workpiece is damped through the damping elastic body all the time, so that the damping effect of the damping elastic body is higher. The damping elastic body is simple in structure, convenient to use and long in service life.
Description
Technical field
The present invention relates to absorber technical field, particularly a kind of structure of damping elastomer body.
Background technique
Vibration damper for reducing the vibration of workpiece, to extend the working life of workpiece or to reduce the noise pollution that causes of Workpiece vibration.Therefore, vibration damper is widely used in all trades and professions.
At present, a kind of vibration damper being applied to such as wind-driven generator comprises housing, places in the housing and be provided with the damping elastomer body in hole, and is placed on the core in the hole of damping elastomer body.The hole of taper is provided with in housing.The hole of damping elastomer body is also cone shape hole, and the profile of damping elastomer body also becomes taper (that is, the wall thickness of damping elastomer body is roughly the same).The cone shape hole of core and damping elastomer body closely cooperates.The hole of damping elastomer body and housing closely cooperates.And when being arranged in the housing by damping elastomer body, the aperture of the cone shape hole of damping elastomer body reduces from top to bottom gradually.
During use, vibration damper is fixed on the bottom of wind-driven generator, and core is contacted with wind-driven generator.In wind-driven generator working procedure, core is with wind-driven generator up-down vibration.The constraint of damping elastomer body and housing can be subject to when core moves downward and extruding is produced to damping elastomer body, thus being reduced the vibration of core by damping elastomer body, and then the vibration of minimizing wind-driven generator.When core moves upward, damping elastomer body is because recovering deformation gradually by the pressure of core reduces, but damping elastomer body and housing can not produce the constraint of power to the motion of core.That is, when wind-driven generator moves upward, this damping elastomer body does not produce damping to wind-driven generator.Therefore, when arranging damping elastomer body by the way, the effectiveness in vibration suppression of damping elastomer body is poor.
Therefore, how solving the problem that the effectiveness in vibration suppression of this damping elastomer body is poor, is those skilled in the art's technical issues that need to address.
Summary of the invention
The invention provides a kind of damping elastomer body, the effectiveness in vibration suppression of this damping elastomer body is better, and structure is simple, easy to use.
Damping elastomer body of the present invention comprises the first aperture section, and to be connected with described first aperture section and to be positioned at the second aperture section below it, wherein, described first aperture section is provided with the reverse taper hole that aperture reduces from top to bottom gradually, and described second aperture section is provided with the positive cone shape hole that aperture increases from top to bottom gradually.
This damping elastomer body produces damping when workpiece moves downward by the distortion of the first aperture section, produces damping when workpiece moves upward by the distortion of the second aperture section.That is, in workpiece double vibrations process, damping elastomer body produces damping to workpiece always, and therefore this damping elastomer body has higher effectiveness in vibration suppression.In addition, because this first aperture section is connected with the second aperture section, therefore do not need the relative position of adjustment first aperture section and the second aperture section in an assembling process, thus make the structure of this damping elastomer body simple, easy to use.In addition, the tensile force that this damping elastomer body can also be made to be subject to less or not tension stretch and only power by compression.Therefore, the working life of this damping elastomer body can effectively be improved.
In one embodiment, also comprise the 3rd aperture section being provided with cylindrical hole, wherein said 3rd aperture section is connected with described first aperture section and the second aperture section and respectively between described first aperture section and the second aperture section.
When the endoporus of the 3rd aperture section is arranged to cylindrical hole, the extruding of workpiece can be reduced, and only bear the extruding of the first aperture section and the second aperture section.Therefore, extruding force suffered by 3rd aperture section is less relative to the extruding suffered by the first aperture section and the second aperture section, thus the 3rd aperture section is selected bear the material that pressure is less and deformability is larger, and then can be that the first aperture section and the second aperture section reserve larger deformation space.Like this, the effectiveness in vibration suppression of damping elastomer body can effectively be improved.In addition, in the process of the first aperture section and the second aperture strand damping, by the 3rd aperture section in the axial direction for the first aperture section and the second aperture section provide certain support force, thus effectively can reduce the first aperture section or the second aperture section generation bending or produce the possibility moved axially.
In one embodiment, described reverse taper hole, cylindrical hole and positive cone shape hole communicate with each other and smooth transition.Like this, be convenient to the core be separately positioned in reverse taper hole and positive cone shape hole to link together through cylindrical hole, thus can by regulating the contiguity of two cores to adjust vertical stiffness and the radial rigidity performance of the first core, the second core.And, cylindrical hole can also be made to play guiding function to two cores, thus reduce the possibility that sideslip occurs two cores in the process moved up and down.In addition, the first aperture section, the second aperture section and the 3rd aperture section time processing can also be formed, thus make the structure of this damping elastomer body simple, easy to use.
In one embodiment, described first aperture section, the second aperture section and the 3rd aperture section include corresponding with corresponding hole and spaced multiple skeleton, and are filled in the deformable material between adjacent two described skeletons.Like this, effectively can improve the ability that is squeezed of the first aperture section and the second aperture section, thus improve the damping property of this damping elastomer body.And, pressure and the gravity (that is, replacing housing by skeleton) of supporting workpiece can be come by the thickness of the skeleton changing the first aperture section, the second aperture section and the 3rd aperture section, thus make the structure of this damping elastomer body simple, easy to use.In addition, be also convenient to the skeleton be positioned at inside the first aperture section, be positioned at the skeleton inside the second aperture section and the skeleton be positioned at inside the 3rd aperture section is set to integral structure, thus be convenient to process damping elastomer body by one-body molded.
In one embodiment, the skeleton of described 3rd aperture section is provided with the hole radially extended, and the skeleton being positioned at described 3rd aperture intersegmental part and the skeleton being positioned at described first aperture intersegmental part and the skeleton that is positioned at described second aperture intersegmental part are integral type or partition-type structure.
When for partition-type structure, the deformability of the 3rd aperture section can be improved, thus increase the deformation space of the first aperture section and the second aperture section.In addition, the extruding force of the joint in the 3rd aperture section and the first aperture section and the second aperture section can also be reduced, thus improve the working life of damping elastomer body.When for integral type structure, processing, easy for installation, save trouble and labor.
In one embodiment, the inside of described 3rd aperture section is filled with hollow elastic ball body.Setting like this, more can extrude space by the 3rd aperture section for the first aperture section and the second aperture section provide, thus improves the effectiveness in vibration suppression of this damping elastomer body further, and improves the working life of damping elastomer body.
In one embodiment, the axial length of described first aperture section and the axial length of the second aperture section are 1:1.5-2 with the ratio of the axial length of described 3rd aperture section.Setting like this, by the 3rd aperture section for the first aperture section and the second aperture section provide more deformation space, thus can improve the effectiveness in vibration suppression of this damping elastomer body further.
In one embodiment, described reverse taper hole and the angle between described positive cone shape hole and described cylindrical hole are 190 °-210 °.Setting like this, while damping elastomer body can be made to produce larger damping to workpiece, can also ensure the working life of this damping elastomer body effectively.
In one embodiment, the angle of inclination of described reverse taper hole is less than the angle of inclination of described positive cone shape hole.First aperture section needs most of weight of bearing the core be separately positioned in the first aperture section and the second aperture section, and in Workpiece vibration process, stressed larger relative to the second aperture section of the first aperture section stressed.Therefore, the angle of inclination of reverse taper hole is arranged be less than the angle of inclination of positive cone shape hole time, in each reciprocating stroke of workpiece, the stressed time of the first aperture section can be made to be less than the stressed time of the second aperture section.Like this, the working life of the first aperture section can be made roughly the same with the working life of the second aperture section, thus reduce the waste of damping elastomer body.
In one embodiment, described first aperture section, the second aperture section and the 3rd aperture section are formed in one.Setting like this, structure is simple, easy to process, save trouble and labor.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.
Fig. 1 is the structural representation of the endoporus of damping elastomer body of the present invention.
Fig. 2 is the using state schematic diagram of damping elastomer body of the present invention.
Fig. 3 is the C portion partial schematic diagram of Fig. 1.
Fig. 4 is the D portion partial schematic diagram of Fig. 1.
In the accompanying drawings, identical parts use identical reference character.Accompanying drawing is not according to the scale of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Damping elastomer body 1 of the present invention can be applied on vibration damper.Vibration damper can be applied on wind-driven generator, also can be applied to the first-class technical field of vehicle.As shown in Figure 1, Fig. 1 is the inner hole structure schematic diagram of damping elastomer body 1 of the present invention, and the internal structure of damping elastomer body 1 does not indicate.This damping elastomer body 1 comprises the first aperture section 11 being provided with reverse taper hole 111, the second aperture section 12 being provided with positive cone shape hole 121, and is provided with the 3rd aperture section 13 of cylindrical hole 131.Wherein, the aperture of reverse taper hole 111 reduces from top to bottom gradually.The aperture of positive cone shape hole 121 increases from top to bottom gradually.Certainly, the shape of cross section of reverse taper hole 111 and positive cone shape hole 121 can be all circular, so that processing; Also can be square body shape, so that the core 2 be placed in damping elastomer body 1 can be retrained.It can also be the cross section of other shapes.The material of damping elastomer body 1 can be rubber, plastics etc.
First aperture section 11, the 3rd aperture section 13 are connected successively with the second aperture section 12.And the axis of the axis of the first aperture section 11, the second aperture section 12 and the axis of the 3rd aperture section 13 can be located along the same line.Like this, the movement locus of the core 2 be placed in damping elastomer body 1 can be made roughly the same with the movement locus of workpiece, thus improve the working life of damping elastomer body 1.In use, the first aperture section 11 is positioned at the top of the 3rd aperture section 13, and the second aperture section 12 is positioned at the below of the 3rd aperture section 13.Certainly, damping elastomer body 1 also can be arranged to extend in the horizontal direction.Now, the first aperture section 11 is nearer apart from the position of workpiece relative to the second aperture section 12 apart from the position of workpiece.
Further, reverse taper hole 111 is communicated with cylindrical hole 131.Cylindrical hole 131 is communicated with positive cone shape hole 121 simultaneously.Preferably, reverse taper hole 111 and cylindrical hole 131 are smoothly connected, and namely reverse taper hole 111 becomes arc-shaped with the joint of cylindrical hole 131.Cylindrical hole 131 and positive cone shape hole 121 are also smoothly connected, and namely cylindrical hole 131 also becomes arc-shaped with the joint of positive cone shape hole 121.Certainly, cylindrical hole 131 can be communicated with reverse taper hole 111, and is not communicated with positive cone shape hole 121.
The external shape of the first aperture section 11 can be taper, also can be column.In order to make the first aperture section 11 roughly the same for working life everywhere, the external shape of the first aperture section 11 is preferentially selected to be taper (that is, the first aperture section 11 wall thickness is everywhere roughly the same).The external shape of the second aperture section 12 is also preferentially selected as taper (that is, the second aperture section 12 wall thickness is everywhere roughly the same).The external shape of the 3rd aperture section 13 is preferably column.
In addition, as shown in Figure 2 (structure of the damping elastomer body 1 in Fig. 2 also for simplifying), at the outer installment housing 3 of damping elastomer body 1, to support damping elastomer body 1, and the weight of workpiece can also be born.When the external shape of the first aperture section 11 and the second aperture section 12 is taper, damping elastomer body 1 and housing 3 can be processed into integral structure.
In one embodiment, the external shape of the first aperture section 11 and the second aperture section 12 is taper.Before use, first in the first aperture section 11, put into the first core 21 matched with reverse taper hole 111, in the second aperture section 12, put into the second core 22 matched with positive cone shape hole 121.First core 21 is fixedly connected with the second core 22 through cylindrical hole 131.During use, damping elastomer body 1 is fixed on the below of workpiece, and makes the first core 21 and absorption surface.When workpiece produces double vibrations, the first core 21 and the second core 22 are with workpiece up-down vibration, and damping elastomer body 1 is not with workpiece motion s.When workpiece moves downward, make the first core 21 produce extruding to the first aperture section 11 by the constraint of reverse taper hole 111, thus reduced the vibration of workpiece by the first aperture section 11.When workpiece moves upward, make the second core 22 produce extruding to the second aperture section 12 by the constraint of positive cone shape hole 121, thus reduced the vibration of workpiece by the second aperture section 12.
In addition, reverse taper hole 111 is preferably 190 °-210 ° with the included angle A of cylindrical hole 131.Positive cone shape hole 121 is also preferably 190 °-210 ° with the included angle B of cylindrical hole 131.And the angle of inclination of reverse taper hole 111 is less than the angle of inclination of positive cone shape hole 121, the included angle A namely between reverse taper hole 111 and cylindrical hole 131 is less than the included angle B between positive cone shape hole 121 and cylindrical hole 131.Particularly, included angle A and included angle B can differ 3 °-5 °, to improve effectiveness in vibration suppression and the working life of damping elastomer body 1 further.
First aperture section 11 and the 3rd aperture section 13 length ratio vertically can be 1:1.5-2.Second aperture section 12 and the 3rd aperture section 13 length ratio vertically also can be 1:1.5-2.Preferably, the first aperture section 11 and the 3rd aperture section 13 length ratio are vertically 1:2.Second aperture section 12 and the 3rd aperture section 13 length ratio vertically are also 1:2.
In addition, as shown in Fig. 3 (wherein, indicating the internal structure of damping elastomer body 1 in Fig. 3), the deformable material 113 that the first aperture section 11 comprises multiple first skeleton 112 and is filled between the first skeleton 112.The shape of reverse taper hole 111 is limited by the first skeleton 112 be positioned at inside the first aperture section 11.Multiple first skeleton 112 is from inner side to the outside also interval setting side by side of the first aperture section 11.Deformable material 113 is filled with between two adjacent the first skeletons 112.Further, each first skeleton 112 can be equipped with the hole that the face perpendicular to reverse taper hole 111 extends, to improve the working life of the first aperture section 11.In concrete operating procedure, first can hole on the first skeleton 112, then be arranged side by side by each first skeleton 112, finally reinject deformable material 113.
Second aperture section 12 also comprises multiple second skeleton and is filled in the deformable material (not shown) between the second skeleton.The shape of positive cone shape hole 121 is limited by the second skeleton be positioned at inside the second aperture section 12.Multiple second skeleton is from inner side to the outside also interval setting side by side of the second aperture section 12.Deformable material is filled with between two adjacent the second skeletons.Further, each second skeleton also can be equipped with the hole that the face perpendicular to positive cone shape hole 121 extends, to improve the working life of the second aperture section 12.In concrete operating procedure, can first hole on the second skeleton, again each second skeleton is arranged side by side, finally reinject deformable material as Fig. 4 (wherein, indicate the internal structure of damping elastomer body 1 in Fig. 4) shown in, the 3rd aperture section 13 also comprise multiple 3rd skeleton 132 and be filled between the 3rd skeleton 132 deformable material 133.The shape of cylindrical hole 131 is limited by the 3rd skeleton 132 be positioned at inside the 3rd aperture section 13.Multiple 3rd skeleton 132 is along inner side to the outside also interval setting side by side of the 3rd aperture section 13.Deformable material 133 is filled with between two adjacent the 3rd skeletons 132.Each 3rd skeleton 132 also can all be drilled with the hole radially extended, to improve the working life of the 3rd aperture section 13.In concrete operating procedure, first can hole on the 3rd skeleton 132, then be arranged side by side by each 3rd skeleton 132, finally reinject deformable material 133.
The material of the first skeleton 112, second skeleton and the 3rd skeleton 132 can be metal.Certainly, what also the first skeleton 112, second skeleton and the 3rd skeleton 132 that are positioned at outside can be arranged is thicker, is destroyed by workpiece to prevent damping elastomer body 1.And the quantity of the quantity of the first skeleton 112, the quantity of the second skeleton and the 3rd skeleton 132 all specifically can set according to the service condition of reality.
In addition, the inside of the 3rd aperture section 13 can also be filled with hollow elastic ball body 134, can provide larger deformation space for the first aperture section 11, second aperture section 12 and the 3rd aperture section 13.In one example in which, the material of deformable material 133 can be polyethylene rubber, and the material of hollow elastic ball body 134 can be polypropylene rubber.Melting temperature due to polypropylene rubber is greater than the melting temperature of polyethylene rubber, therefore can effectively prevent hollow elastic ball body 134 from melting in the process injecting deformable material 133.
Further, be positioned at the first skeleton 112 inside the first aperture section 11, be positioned at the 3rd skeleton 132 inside the 3rd aperture section 13 and the second skeleton be positioned at inside the second aperture section 12 can be structure as a whole.Be positioned at the first skeleton 112 outside the first aperture section 11, be positioned at the 3rd skeleton 132 outside the 3rd aperture section 13 and the second skeleton be positioned at outside the second aperture section 12 can be structure as a whole, so that processing and using.That is, the first aperture section 11, second aperture section 12 and the 3rd aperture section 13 are formed in one.
The first skeleton 112 being positioned at the first aperture section 11 inside can be partition-type structures with the joint of the 3rd skeleton 132 being positioned at the 3rd aperture section 13 inside.The second skeleton being positioned at the second aperture section 12 inside is also partition-type structures with the joint of the 3rd skeleton 132 being positioned at the 3rd aperture section 13 inside.That is, first can inject deformable material in the second aperture section 12, after material to be deformed covers the second skeleton, then put into the 3rd skeleton 132.And then inject deformable material 133, until after covering the 3rd skeleton 132, then put into the first skeleton 112.Finally inject deformable material 113, until be full of the gap between the first skeleton 112.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristics mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technological schemes fallen in the scope of claim.
Claims (10)
1. a damping elastomer body, comprise the first aperture section, and to be connected with described first aperture section and to be positioned at the second aperture section below it, wherein, described first aperture section is provided with the reverse taper hole that aperture reduces from top to bottom gradually, and described second aperture section is provided with the positive cone shape hole that aperture increases from top to bottom gradually.
2. damping elastomer body according to claim 1, it is characterized in that, also comprise the 3rd aperture section being provided with cylindrical hole, wherein said 3rd aperture section is connected with described first aperture section and the second aperture section and respectively between described first aperture section and the second aperture section.
3. damping elastomer body according to claim 2, is characterized in that, described reverse taper hole, cylindrical hole and positive cone shape hole communicate with each other and smooth transition.
4. the damping elastomer body according to Claims 2 or 3, it is characterized in that, described first aperture section, the second aperture section and the 3rd aperture section include corresponding with corresponding hole and spaced multiple skeleton, and are filled in the deformable material between adjacent two described skeletons.
5. damping elastomer body according to claim 4, it is characterized in that, the skeleton of described 3rd aperture section is provided with the hole radially extended, and the skeleton being positioned at described 3rd aperture intersegmental part and the skeleton being positioned at described first aperture intersegmental part and the skeleton that is positioned at described second aperture intersegmental part are integral type or partition-type structure.
6. the damping elastomer body according to any one of claim 2-5, is characterized in that, the inside of described 3rd aperture section is filled with hollow elastic ball body.
7. the damping elastomer body according to any one of claim 2-6, is characterized in that, the axial length of described first aperture section and the axial length of the second aperture section are 1:1.5-2 with the ratio of the axial length of described 3rd aperture section.
8. the damping elastomer body according to any one of claim 2-7, is characterized in that, described reverse taper hole and the angle between described positive cone shape hole and described cylindrical hole are 190 °-210 °.
9. the damping elastomer body according to any one of claim 2-8, is characterized in that, the angle of inclination of described reverse taper hole is less than the angle of inclination of described positive cone shape hole.
10. the damping elastomer body according to any one of claim 2-9, is characterized in that, described first aperture section, the second aperture section and the 3rd aperture section are formed in one.
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|---|---|---|---|
| CN201510328839.2A CN105179541A (en) | 2015-06-15 | 2015-06-15 | Damping elastic body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510328839.2A CN105179541A (en) | 2015-06-15 | 2015-06-15 | Damping elastic body |
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| CN103912619A (en) * | 2014-04-03 | 2014-07-09 | 安徽省辉煌机械制造有限公司 | Vehicular damping washer |
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Application publication date: 20151223 |
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