CN100455842C - Viscoelastic vibration reducer - Google Patents
Viscoelastic vibration reducer Download PDFInfo
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- CN100455842C CN100455842C CNB2005100129795A CN200510012979A CN100455842C CN 100455842 C CN100455842 C CN 100455842C CN B2005100129795 A CNB2005100129795 A CN B2005100129795A CN 200510012979 A CN200510012979 A CN 200510012979A CN 100455842 C CN100455842 C CN 100455842C
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Abstract
The present invention belongs to the technical field of vibration dampers for suspension devices, more specifically a viscoelastic vibration damper with an interlayer. The present invention solves the problems of the prior art that rigid and semirigid suspension devices have poor damping and vibration damping effect to vibration impact, unfavorable heat radiation, short service life, etc. The viscoelastic vibration damper is composed of a symmetrical upper and a symmetrical lower groups of damping buffer pads, wherein each of the damping buffer pads is composed of an elastic restraint layer, a foundation rubber layer, a middle rubber layer and a contact rubber layer. Metal filling materials are added into the foundation rubber layer, the middle rubber layer and the contact rubber layer. All of the rubber layers are fixedly connected by metal supporting columns which are arranged on the central positions of the damping buffer pads. The present invention has the advantages of high efficiency of vibration impact energy conversion, good heat radiation performance and long service life. Meanwhile, the present invention improves comfort for driving and mechanical operation efficiency.
Description
Technical field
The invention belongs to the technical field of suspension arrangement, be specifically related to a kind of viscoelastic vibration reducer that has interlayer with vibration damper.
Background technique
Known large engineering vehicle has work production rate height, advantage that the fundamental operation cost is low, thus engineering vehicle just towards maximize, the large direction develops; Yet the increasing of car shape must cause vibration, it is more and more violent to impact.Along with the fieriness of the strict day by day and Competition in International Trade of international environmental law rule, many in the world countries off-road vehicle has been vibrated and noise objective as the technology barriers of limiting inlet.Because most of engineering vehicles all are the operations of travelling on " non-road surface ", again because of its job requirements, this kind vehicle adopts rigidity or semirigid mounting mechanism to carry out vibration damping more.Though that these mechanisms have is simple in structure, the advantage of easy care, its effectiveness in vibration suppression is poor, and especially rigid suspended mechanism does not almost have the effect of vibration reduction and cushioning.Even adopt resilient suspension mechanism engineering vehicle, mounting mechanism only is that vibrational energy is changed between elastic potential energy and kinetic energy, the vibratory impulse energy is not carried out substantial dissipation.
Summary of the invention
Problems such as the present invention is directed to rigidity in the prior art, the semi-rigid mounting mechanism buffer shock-absorbing weak effect to vibratory impulse, it is bad to dispel the heat, and the life-span is short provide a kind of viscoelastic vibration reducer of strap clamp layer.
The technical solution adopted in the present invention: viscoelastic vibration reducer is made of upper and lower two symmetrical groups damping slow die head, and last damping slow die head is installed on the traveller track frame, and following damping slow die head is installed on the viscoelasticity suspension fork mechanism.The damping slow die head is by elastic restraint layer, basic rubber layer, intermediate rubber layer and contact rubber layer and constitute, basis rubber layer, intermediate rubber layer and contact rubber layer in be added with metal charge, the metallic support post is equipped with in damping slow die head center portion, and each rubber layer is fixedly connected.Metal charge in the rubber layer of basis is a wire netting.The intermediate rubber layer metal charge interior with contacting rubber layer is metal granule or wire.
The elastic restraint layer is made with metallic material, realizes the connecting of other mechanism's parts of viscoelastic vibration reducer and mechanism by this layer.Basis rubber layer and elastic restraint layer are bonding, and wherein the wire netting of Tian Jiaing has increased the intensity of rubber layer; Intermediate rubber layer is stressed and produces the rubber layer of heat maximum, adds metal granule or wire therein, has increased dissipation of heat amount in the rubber layer; The contact rubber layer of symmetry be a pair ofly be in contact with one another, the rubber pair of extrusion-deformation and surface abrasion maximum.
Beneficial effect of the present invention: 1, change the efficient height of vibratory impulse energy, change efficient and can reach 70-80%; 2, improved the travelling comfort of driving, the flutter rate of surveying in the driver's seat place has reduced by 30%; 3, the strength ratio rubber material has improved an order of magnitude; 4, thermal diffusivity is good, by in the rubber material layer metal charge being installed, has improved the heat-conducting property of rubber material; 5, the life-span long, originally the easily damaged parts life-span is 2000-3000h in the traveller, now uses viscoelastic vibration reducer can reach 10000-12000h; 6, the operating efficiency of engineering machinery has improved more than 37%.
Description of drawings
Fig. 1 is the structural representation of viscoelastic vibration reducer
Fig. 2 is the assembling schematic representation of viscoelastic vibration reducer
Fig. 3 is the mounting mechanism schematic representation
Among the figure: 1, contact rubber layer, 2, intermediate rubber layer, 3, basic rubber layer, 4, the elastic restraint layer, 5, wire netting, 6, wire, 7, supporting post, 8, suspending frame, 9, the traveller track frame.
Embodiment
In conjunction with the accompanying drawings embodiments of the present invention are described further, present embodiment is to be used for illustrating of the present invention, rather than the present invention is done any restriction.
Viscoelastic vibration reducer is made of upper and lower two symmetrical groups damping slow die head, and last damping slow die head is installed on the traveller track frame 9, and following damping slow die head is installed on the viscoelasticity suspending frame 8.The damping slow die head is made of elastic restraint layer 4 and rubber layer, and rubber layer comprises basic rubber layer 3, intermediate rubber layer 2 and contacts rubber layer 1 formation.Basis rubber layer 3, intermediate rubber layer 2 and contact rubber layer 1 in be added with metal charge, metallic support post 7 is equipped with in damping slow die head center portion.Metallic support post 7 and elastic restraint layer 4 scyewed joint, and pass the center portion of basic rubber layer 3, stretch into intermediate rubber layer 2.Metal charge is a wire netting 5 in the rubber layer 3 of basis.Intermediate rubber layer 2 is wire 6 or metal granule with contacting rubber layer 1 interior metal charge.The metal species of wire netting 5 usefulness wires and wire 6 and diameter can be according to using needs to choose.
By the engineering machinery usage requirement, the operating environment temperature of viscoelastic vibration reducer is-40 ℃ ~ 50 ℃.The rubber compounding of each rubber layer is as shown in table 1.
Table 1 rubber compounding
| Composition (optimization formula) | Ratio (weight ratio) | Composition (optimization formula) | Ratio (weight ratio) |
| Rib shape tobacco leaf rubber | 100 | Antioxidant | 1.0 |
| The N-550 carbon black | 70 | Antiozonant | 1.0 |
| Artificial petroleum products | 10 | Catalyzer | 0.9 |
| Stearic acid | 2.0 | It is anti-to add sulphur in advance | 0.25 |
| Zine oxide | 5.0 | Synthetic rubber | Necessarily |
| Sulphur | 2.75 | Oxygenant | Necessarily |
The rubber process course of working of each rubber layer is as follows:
A. mix
1) before the stirring, the ratio by 0.2% adds peptizing agent (the shape smoked sheet is reined in making).
2) must add various compositions by the order of the prescription of last table rubber, otherwise invalid.
3) should fully mix above food ingredient thoroughly.
4) preferably divide three sections to operate, must various compositions be got one group earlier and mix stirring (coking is made except the vulcanzing agent), add vulcanzing agent at last.
B. desired viscosity and sulfuration duration of mixing before the mold
Viscosity (MLI+4～100 ℃): 55～65
Sulfuration: 135 ℃
5 ℃ of required time: 10～15min of the every rising of temperature
C. vulcanzing agent characteristic (SATM D2084) (typical case)
1) pressuring template temperature: 148 ℃; Amplitude: 1.67Hz
Action range: 0～11.3N.m; Line mark monitoring: 60min
Radian ± 1 °; Preheat time: 0s
A. minimal torque (M
1): 1.0Nm
B. Maximum Torque (M
h): 4.7Nm
C. scorch time (T
2): 8.7min
D. cure time (T
C95): 20.1min
2) pressuring template temperature: 162 ℃; Amplitude: 1.67Hz
Action range: 0～11.3Nm; Line mark monitoring: 60min
Radian ± 1 °; Preheat time: 0s
A. minimal torque (M
1): 0.9N.m
B. Maximum Torque (M
H): 4.4N.m
C. scorch time (T
2): 3.7min
D. cure time (T
C95): 8.6min
The performance index of rubber layer of the present invention are as shown in table 2.
Table 2 rubber damper performance index
Desire to make the viscoelasticity vibration damping to be lined with longer life, basic rubber layer 3 is very important with the processing of the technique for sticking of elastic restraint layer 4.Generally, pretreatment will be carried out in the metal surface of bonding preceding elastic restraint layer 4, is undertaken by following operation:
1) oil stain of removing metal surface;
2) treat the shot blast of adhesive surface;
3) oil stain on removing metal parts surface;
4) carry out coating with CHEMLOCK205 (or with domestic similar products substitute) coating and dry, dried rear film thickness is 0.013 millimeter;
5) with CHEMLOCK220 (or with domestic similar products substitute) paint coatings and dry, the coating thickness of doing back CHEMLOK is 0.038～0.051 millimeter, can carry out multilayer and smears for preventing to hold back;
6) CHEMLOK205, the CHEMLOCK220 total coating thickness after drying is 0.051～0.063mm.
In order to obtain maximum bonding strength and maximum environment endurance, must carry out by following requirement.
1) bonding force requires: if metal and rubber segregation phenomenon occur, should be positioned at the rubber position, should not appear at the bonding plane place;
2) bond area requires: if no specific (special) requirements, bond area should reach 100%.
Embodiment 1: the VISCOELASTIC SUSPENSIONS that is used for the large-scale crawler dozer traveller of 300kW
Crawler dozer, its quality are 50000kg (quality that does not comprise ridge buster), and its operating ambient temperature is between-40 ℃～50 ℃.
In order to satisfy the shock-absorbing capacity of engineering machinery viscoelastic vibration reducer under comprehensive operating mode, rubber layer adopts natural rubber to design.The total height of rubber layer designs according to its decrement, for guaranteeing bulldozer existing favorable damping effect when working, working stability is preferably arranged again, the maximum compressibility of rubber layer is compared rationally for 15%～40% of its total height, decide the diameter 400mm of elastic restraint layer 4, height 20mm; The diameter 350mm of basis rubber layer 3, height 60mm; The diameter 320mm of intermediate rubber layer 2, height 50mm; The diameter 290mm of contact rubber layer 1, height 35mm.Be embedded with the steel wire of φ 1mm in the rubber layer 3 of basis; Intermediate rubber layer 2 with contact rubber layer 1 in be embedded with the wire of thermal conductivity aluminum matrix material.The first half of viscoelastic vibration reducer is installed on the bulldozer track frame 9, and Lower Half is installed on the suspending frame 8, and the elastic restraint layer 4 of using metallic material respectively is as link.
Embodiment 2: be used for the supporting component under the unloading of cars of heavy duty dump truck
The first half of viscoelastic vibration reducer is installed on the unloading of cars, and Lower Half is installed on the vehicle frame.The elastic restraint layer 4 of using metallic material respectively is as link.Be embedded with the steel wire of φ 0.5mm in the rubber layer 3 of basis; Intermediate rubber layer 2 with contact rubber layer 1 in be embedded with heat conduction aluminum foil material silk.
Embodiment 3: the present invention also can be applicable in the support on large-scale press machine basis
The first half of viscoelastic vibration reducer is installed on the support of large-scale press machine, and Lower Half is installed on the ground.The elastic restraint layer 4 of using metallic material respectively is as link.Be embedded with the steel wire of φ 2mm in the rubber layer 3 of basis; Intermediate rubber layer 2 with contact rubber layer 1 in be embedded with φ 0.5mm heat conduction aluminium wire.
Claims (3)
1, a kind of viscoelastic vibration reducer, include elastic restraint layer, rubber layer, it is characterized in that viscoelastic vibration reducer is made of upper and lower two symmetrical groups damping slow die head, the damping slow die head is by elastic restraint layer (4), basis rubber layer (3), intermediate rubber layer (2) and contact rubber layer (1) formation, basis rubber layer (3), intermediate rubber layer (2) and contact rubber layer (1) in be added with metal charge, metallic support post (7) is equipped with in damping slow die head center portion.
2, viscoelastic vibration reducer according to claim 1 is characterized in that the interior metal charge of described basic rubber layer (3) is wire netting (5).
3, viscoelastic vibration reducer according to claim 1, the metal charge in it is characterized in that described intermediate rubber layer (2) and contacting rubber layer (1) is wire (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100129795A CN100455842C (en) | 2005-11-10 | 2005-11-10 | Viscoelastic vibration reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100129795A CN100455842C (en) | 2005-11-10 | 2005-11-10 | Viscoelastic vibration reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1773139A CN1773139A (en) | 2006-05-17 |
| CN100455842C true CN100455842C (en) | 2009-01-28 |
Family
ID=36760235
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100129795A Expired - Fee Related CN100455842C (en) | 2005-11-10 | 2005-11-10 | Viscoelastic vibration reducer |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525009B (en) * | 2009-04-13 | 2011-07-13 | 太原科技大学 | Sliding type damping buffering thrust wheel device |
| CN102454737A (en) * | 2010-10-28 | 2012-05-16 | 北京世博金属制品有限公司 | Elastic buffering device |
| CN104321557B (en) * | 2012-02-22 | 2016-05-04 | 株式会社安震 | The isolation structure of equipment and shock isolation method |
| CN104832581B (en) * | 2014-12-13 | 2017-07-11 | 中国煤炭科工集团太原研究院有限公司 | The spaced concavo-convex spline tubular rubber shock absorber for expanding change layer |
| CN107542824B (en) * | 2017-10-13 | 2019-07-26 | 中国石油大学(华东) | It is a kind of to imitate annelidan bionical shock-damping structure |
| CN108626290A (en) * | 2018-05-04 | 2018-10-09 | 南京大学 | A kind of enhancing damping-constraining device |
| CN109139675B (en) * | 2018-08-16 | 2020-07-14 | 安徽奥丰汽车配件有限公司 | Automobile rubber cushion block |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0384232A (en) * | 1989-08-25 | 1991-04-09 | Toyo Tire & Rubber Co Ltd | Vibration exempting supporter |
| CN2128690Y (en) * | 1992-07-02 | 1993-03-24 | 温州市锦山防腐设备厂 | Fluoroplastics-rubber compound expansion joint |
| CN2521180Y (en) * | 2001-10-12 | 2002-11-20 | 王彬广 | Burn-resistant conveyor belt |
| JP2003118040A (en) * | 2001-10-11 | 2003-04-23 | Ge Toshiba Silicones Co Ltd | Shock relieving composite |
| JP2005009558A (en) * | 2003-06-18 | 2005-01-13 | Bridgestone Corp | Damper material for base isolation device |
-
2005
- 2005-11-10 CN CNB2005100129795A patent/CN100455842C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0384232A (en) * | 1989-08-25 | 1991-04-09 | Toyo Tire & Rubber Co Ltd | Vibration exempting supporter |
| CN2128690Y (en) * | 1992-07-02 | 1993-03-24 | 温州市锦山防腐设备厂 | Fluoroplastics-rubber compound expansion joint |
| JP2003118040A (en) * | 2001-10-11 | 2003-04-23 | Ge Toshiba Silicones Co Ltd | Shock relieving composite |
| CN2521180Y (en) * | 2001-10-12 | 2002-11-20 | 王彬广 | Burn-resistant conveyor belt |
| JP2005009558A (en) * | 2003-06-18 | 2005-01-13 | Bridgestone Corp | Damper material for base isolation device |
Non-Patent Citations (4)
| Title |
|---|
| 工程机械常用橡胶缓冲结构的有限元分析. 孙大刚，解彩雨，马卫东，吕佩学，郭歆健.工程机械，第9期. 2005 |
| 工程机械常用橡胶缓冲结构的有限元分析. 孙大刚，解彩雨，马卫东，吕佩学，郭歆健.工程机械，第9期. 2005 * |
| 金属橡胶构件在某自行车火炮闩体挡件中的应用研究. 李宇明，郑坚，白鸿柏，彭威.兵工学报，第25卷第6期. 2004 |
| 金属橡胶构件在某自行车火炮闩体挡件中的应用研究. 李宇明，郑坚，白鸿柏，彭威.兵工学报，第25卷第6期. 2004 * |
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| CN1773139A (en) | 2006-05-17 |
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