CN102644692B - Composite shock absorber - Google Patents
Composite shock absorber Download PDFInfo
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- CN102644692B CN102644692B CN201210118611.7A CN201210118611A CN102644692B CN 102644692 B CN102644692 B CN 102644692B CN 201210118611 A CN201210118611 A CN 201210118611A CN 102644692 B CN102644692 B CN 102644692B
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- shell
- rubber spring
- damping
- rubber body
- vibration
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Abstract
The invention provides a composite shock absorber, which comprises a shell (3), a rubber spring (1), a damping component (4) and adhesive liquid (5). The shell (3) is a cylinder with top open and bottom closed. The periphery of the rubber spring (1) hermetically fit with the inner wall of the shell (3), and a closed space is formed between the bottom surface of the rubber spring (1) and the inner wall of the shell (3). The damping component (4) comprising damping holes is disposed in the closed space and fixed at the bottom of the rubber spring (1), and a damping cavity is formed by the damping component (4) and the bottom surface of the rubber spring (1). The adhesive liquid (5) is filled to the lower portion of the closed space. Shock is isolated and absorbed by composite action of elasticity of the rubber spring and damping force of the damping structured. Shock isolation and absorption effect is higher than that of a rubber shock absorber in the prior art, and shock absorption effect of a system utilizing the composite shock absorber is enhanced effectively.
Description
Technical field
The present invention relates to and subtract vibration isolation field, more specifically, relate to a kind of compound vibration-damper.
Background technique
Prior art subtract in vibrating isolation system, rubber shock absorber gets a lot of applications.But rubber shock absorber to subtract vibration isolating effect relatively limited, and the noise subtracting vibration isolation object is difficult to effective control, and the working environment of operator is comparatively severe.Along with the development of Mechanical Industry of China, people to vibration and noise control standard more and more higher, therefore need the effectiveness in vibration suppression of increase system.
Summary of the invention
The object of the invention is that providing a kind of has the compound vibration-damper better subtracting vibration isolating effect.
The invention provides a kind of compound vibration-damper, comprising: shell, shell is the cylindrical shape of upper opening, bottom lock; Rubber spring, the periphery of rubber spring and the internal face of shell are sealed and matched, and the bottom surface of rubber spring and the internal face of shell form closed space; Damped part, is positioned at closed space, comprises damping hole, and damped part is fixed on the bottom of rubber spring and forms damping cavity with the bottom surface of rubber spring; Viscous liquid, is positioned at closed space bottom.
Further, the liquid level of viscous liquid is higher than damping hole.
Further, gas is held in the damping cavity between the liquid level of viscous liquid and rubber spring bottom surface.
Further, the part that the outer circumferential face of rubber spring coordinates with shell is the conical surface that the large lower diameter of upper diameter is little, conical surface and shell interference fit.
Further, the part that the outer circumferential face of rubber spring coordinates with shell is provided with groove circumferentially, places O type circle, O type circle and shell interference fit in groove.
Further, rubber spring comprises: rubber body, and the internal face of its periphery and shell is sealed and matched; Mandrel, is positioned at rubber body center and is fixedly connected with rubber body; Connection set, connects rubber body and shell.
Further, connection set is mounting plate, and mounting plate comprises tubular extension section and planar surface portion, and tubular extension section is positioned at rubber body inside and coaxially arranges with mandrel, and planar surface portion and tubular extension section are wholely set and extend outward rubber body from tubular extension section; Shell comprises the ring part extended outward along upper opening, and ring part coordinates with the planar surface portion of rubber body and is fixedly connected with.
Further, the bottom surface of rubber body has the cavity around mandrel, and cavity forms damping cavity at least partially.
Further, mandrel top comprises and the joint subtracting vibration isolation object and be connected.
Further, damped part is circular saucer-like configuration, and multiple damping hole is along the circumferential direction uniformly distributed in the bottom surface of damped part.
Further, the centre of damped part comprises connecting through hole; The bottom of mandrel comprises thin walled cylinder, and thin walled cylinder and connecting through hole interference fit and bottom flange are arranged.
Further, viscous liquid be kinematical viscosity between 35000cst ~ 100000cst, under normal temperature for liquid, decomposition temperature are higher than the polymer composite of 200 DEG C.
According to compound vibration-damper of the present invention, owing to realizing subtracting vibration isolation by the compound action of the elastic force of rubber spring and the damping force of damping structure, the effect subtracting vibration isolation strengthens compared with the rubber shock absorber of prior art, effectively increases the system effectiveness in vibration suppression using this compound vibration-damper.Can also reduce because vibrating the noise caused, for operator provide the working environment of relative comfort simultaneously.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to compound vibration-damper of the present invention;
Fig. 2 is the structural representation of the rubber spring according to compound vibration-damper of the present invention.
Embodiment
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Fig. 1 to 2, the compound vibration-damper of the present embodiment comprises rubber spring 1, O type circle 2, shell 3, damped part 4, viscous liquid 5, and this compound vibration-damper is realized the vibration damping and the vibration isolation effect that subtract vibration isolation object by the damping of viscous liquid 5 and the elasticity acting in conjunction of rubber spring 1.
The shell 3 of compound vibration-damper is the cylindrical shape of upper opening, bottom lock.Shell 3 top has the ring part extended outward along upper opening, and ring part is plane structure, has mounting hole above, for being connected with rubber spring 1.It is round bottom construction bottom shell 3.The periphery of rubber spring 1 and the internal face of shell 3 are sealed and matched, and the bottom surface of rubber spring 1 and the internal face of shell 3 form closed space.Damped part 4 is positioned at closed space, comprises damping hole, and damped part 4 is fixed on the bottom of rubber spring 1 and forms damping cavity with the bottom surface of rubber spring 1.Viscous liquid 5 is positioned at closed space bottom.Wherein preferably, the liquid level of viscous liquid 5 is higher than damping hole.More preferably, gas is held in the damping cavity between the liquid level of viscous liquid 5 and rubber spring 1 bottom surface.Owing to realizing subtracting vibration isolation by the compound action of the elastic force of rubber spring and the damping force of damping structure, the effect subtracting vibration isolation strengthens compared with the rubber shock absorber of prior art, effectively increases the system effectiveness in vibration suppression using this compound vibration-damper.Can also reduce because vibrating the noise caused, for operator provide the working environment of relative comfort simultaneously.
Preferably, in order to remain closed the good sealing in space when compound vibration-damper pressurized, the part that the outer circumferential face of rubber spring 1 coordinates with shell 3 is the conical surface that the large lower diameter of upper diameter is little, conical surface and shell 3 interference fit.
Further preferably, the part that the outer circumferential face of rubber spring 1 coordinates with shell 3 is provided with groove 131 circumferentially, places O type circle 2, O type circle 2 and shell 3 interference fit in groove 131.In the present embodiment, if to two grooves and the effect that correspondence is provided with two O type circle 2, O type circles better seals closed space, its quantity also can be more than one or three.O type circle CNS in GB3452.1 is shown in selecting of O type circle 2.
As shown in Figure 2, rubber spring 1 comprises rubber body 13, mandrel 11 carries out the mounting plate 12 of the connection set be connected with as with shell 3.The periphery of rubber body 13 and the internal face of shell 3 are sealed and matched, and the effect of rubber body 13 mainly provides elastic force, play support and vibration isolation effect.Mandrel 11 is positioned at rubber body 13 center and is fixedly connected with rubber body 13, and the effect of mandrel 11 connects to subtract vibration isolation object, connect damped part and form support to rubber body 13.Mounting plate 12 is for connecting rubber body 13 and shell 3.In the present embodiment, rubber body 13, mounting plate 12 are bonded together by vulcanization with mandrel 11 and form rubber spring 1.
As shown in Fig. 1 to 2, mounting plate 12 comprise be positioned at rubber body 13 inner and with the coaxial tubular extension section 121 that arranges of mandrel 11 and be wholely set with tubular extension section 121, the planar surface portion 122 that extends outward rubber body 13 from tubular extension section 121.The ring part of shell 3 coordinates with the planar surface portion 122 of rubber body 13 and uses the mode such as to rivet to be fixedly connected with.The effect of tubular extension section 121 is the axial rigidity and the radial rigidity that control rubber spring 1.
The bottom surface of rubber body 13 has the cavity 132 around mandrel 11, and cavity 132 forms a part for damping cavity.This cavity 132 is filled jointly by air and viscous liquid 5.
Mandrel 11 top comprises the tapped hole 111 that is positioned at center, subtracts vibration isolation object in order to connect.The bottom of mandrel 11 comprises thin walled cylinder 112, thin walled cylinder 112 with the connecting through hole interference fit on damped part 4 described later and bottom through flange process, therefore, damped part 4 can be fixedly connected on the bottom of rubber spring 1 by thin walled cylinder 112.
Damped part 4 is circular saucer-like configuration, and multiple damping hole is along the circumferential direction uniformly distributed in the bottom surface of damped part 4.When viscous liquid is by damping hole on damped part, produce damping function.In the middle of damped part 4, have connecting through hole, this connecting through hole is used for being connected with the thin walled cylinder 112 of rubber spring 1.In the present embodiment, between the excircle configuration of damped part 4 and the internal face of shell 3, there is certain interval, allow viscous liquid flowing.
Viscous liquid 5 is sealed in closed space, and is in the bottom of shell 3, plays damping function when flowing in the damping hole of composite buffer, requires that its viscosity is adjustable, reliable and stable, and be liquid in normal temperature situation, decomposition temperature is higher.Preferably, viscous liquid be kinematical viscosity between 35000cst ~ 100000cst, under normal temperature for liquid, decomposition temperature are higher than the organosilicon material of 200 DEG C.
The compound vibration-damper of the present embodiment is the compound vibration-damper of a kind of viscous liquid damping shock absorber and rubber spring, can be applicable to vibration damping and the carrying of the vibration systems such as operator cabin, motor and control cabinet, mainly bears thrust load.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect: because compound vibration-damper realizes by the damping of viscous liquid and the elasticity acting in conjunction of rubber spring 1 vibration damping and the vibration isolation effect that subtract vibration isolation object, can effectively increase system and subtract vibration isolating effect, damping effect is several times as much as rubber shock absorber; Can effectively reduce because vibrating the noise caused, for operator provide the working environment of relative comfort.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a compound vibration-damper, is characterized in that, comprising:
Shell (3), described shell (3) is upper opening, the cylindrical shape of bottom lock;
Rubber spring (1), the periphery of described rubber spring (1) and the internal face of described shell (3) are sealed and matched, and the bottom surface of described rubber spring (1) and the internal face of described shell (3) form closed space;
Damped part (4), is positioned at described closed space, comprises damping hole, and described damped part (4) is fixed on the bottom of described rubber spring (1) and forms damping cavity with the bottom surface of described rubber spring (1);
Viscous liquid (5), is positioned at described closed space bottom, holds gas in the described damping cavity between the liquid level of described viscous liquid (5) and described rubber spring (1) bottom surface, wherein,
Described rubber spring (1) comprising:
Rubber body (13), the internal face of its periphery and described shell (3) is sealed and matched;
Mandrel (11), is positioned at described rubber body (13) center and is fixedly connected with described rubber body (13);
Connection set (12), connects described rubber body (13) and described shell (3);
Described connection set is mounting plate (12), described mounting plate (12) comprises tubular extension section (121) and planar surface portion (122), described tubular extension section (121) is positioned at described rubber body (13) inside and coaxially arranges with described mandrel (11), and described planar surface portion (122) and described tubular extension section (121) are wholely set and extend outward described rubber body (13) from described tubular extension section (121);
Described shell (3) comprises the ring part extended outward along described upper opening, and described ring part coordinates with the planar surface portion (122) of described rubber body (13) and is fixedly connected with;
And the centre of described damped part (4) comprises connecting through hole;
The bottom of described mandrel (11) comprises thin walled cylinder (112), described thin walled cylinder (112) and described connecting through hole interference fit and bottom flange are arranged, and described damped part (4) can be fixedly connected on the bottom of described rubber spring (1) by described thin walled cylinder (112).
2. compound vibration-damper according to claim 1, is characterized in that, the liquid level of described viscous liquid (5) is higher than described damping hole.
3. compound vibration-damper according to claim 2, it is characterized in that, the part that the outer circumferential face of described rubber spring (1) coordinates with described shell (3) is the conical surface that the large lower diameter of upper diameter is little, described conical surface and described shell (3) interference fit.
4. compound vibration-damper according to claim 1, it is characterized in that, the part that the outer circumferential face of described rubber spring (1) coordinates with described shell (3) is provided with groove (131) circumferentially, O type circle (2) is placed, described O type circle (2) and described shell (3) interference fit in described groove (131).
5. compound vibration-damper according to claim 4, it is characterized in that, the bottom surface of described rubber body (13) has the cavity (132) around described mandrel (11), and described cavity (132) forms described damping cavity at least partially.
6. compound vibration-damper according to claim 1, is characterized in that, described mandrel (11) top comprises and the joint (111) subtracting vibration isolation object and be connected.
7. compound vibration-damper according to claim 1, is characterized in that, described damped part (4) is circular saucer-like configuration, and multiple described damping hole is along the circumferential direction uniformly distributed in the bottom surface of described damped part (4).
8. compound vibration-damper according to any one of claim 1 to 4, is characterized in that, described viscous liquid be kinematical viscosity between 35000cst ~ 100000cst, under normal temperature for liquid, decomposition temperature are higher than the organosilicon material of 200 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210118611.7A CN102644692B (en) | 2012-04-20 | 2012-04-20 | Composite shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210118611.7A CN102644692B (en) | 2012-04-20 | 2012-04-20 | Composite shock absorber |
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| Publication Number | Publication Date |
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| CN102644692A CN102644692A (en) | 2012-08-22 |
| CN102644692B true CN102644692B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210118611.7A Active CN102644692B (en) | 2012-04-20 | 2012-04-20 | Composite shock absorber |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141732B (en) * | 2014-07-03 | 2016-08-24 | 株洲时代新材料科技股份有限公司 | A kind of compound vibration-damper and manufacture method, combined vibration-damping method |
| CN107013624A (en) * | 2015-07-16 | 2017-08-04 | 郭翔榕 | A kind of triple dampers |
| CN107906151A (en) * | 2017-12-27 | 2018-04-13 | 南通鸿图橡塑有限公司 | A kind of elevator beam with damping function |
| JP6660408B2 (en) * | 2018-02-08 | 2020-03-11 | 本田技研工業株式会社 | Damper device |
| CN110566626A (en) * | 2019-09-06 | 2019-12-13 | 株洲时代新材料科技股份有限公司 | Liquid composite spring |
| WO2021043281A1 (en) * | 2019-09-06 | 2021-03-11 | 株洲时代新材料科技股份有限公司 | Liquid combined spring and rigidity and damping adjusting method therefor |
| CN112871575B (en) * | 2021-01-12 | 2022-03-29 | 株洲时代新材料科技股份有限公司 | Vibration isolator damping agent pouring production line and production method |
| CN113294484B (en) * | 2021-05-27 | 2022-09-27 | 株洲时代瑞唯减振装备有限公司 | Rubber pile built-in longitudinal hydraulic vibration damping device and built-in longitudinal hydraulic vibration damping method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235880A (en) * | 1998-05-19 | 1999-11-24 | 卡尔·弗罗伊登伯格公司 | Hydraulic support |
| CN101548115A (en) * | 2006-12-05 | 2009-09-30 | 本田技研工业株式会社 | Liquid-sealed antivibration device |
| CN101903680A (en) * | 2007-12-05 | 2010-12-01 | 株式会社普利司通 | Liquid sealed-in type vibration damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011038595A (en) * | 2009-08-11 | 2011-02-24 | Bridgestone Corp | Vibration isolating device |
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2012
- 2012-04-20 CN CN201210118611.7A patent/CN102644692B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235880A (en) * | 1998-05-19 | 1999-11-24 | 卡尔·弗罗伊登伯格公司 | Hydraulic support |
| CN101548115A (en) * | 2006-12-05 | 2009-09-30 | 本田技研工业株式会社 | Liquid-sealed antivibration device |
| CN101903680A (en) * | 2007-12-05 | 2010-12-01 | 株式会社普利司通 | Liquid sealed-in type vibration damper |
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| CN102644692A (en) | 2012-08-22 |
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