CN102182256B - High-damping rubber fluid viscoelastic damper and manufacturing method thereof - Google Patents
High-damping rubber fluid viscoelastic damper and manufacturing method thereof Download PDFInfo
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- CN102182256B CN102182256B CN 201110063702 CN201110063702A CN102182256B CN 102182256 B CN102182256 B CN 102182256B CN 201110063702 CN201110063702 CN 201110063702 CN 201110063702 A CN201110063702 A CN 201110063702A CN 102182256 B CN102182256 B CN 102182256B
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- 238000013016 damping Methods 0.000 title claims abstract description 76
- 239000012530 fluid Substances 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 141
- 239000010959 steel Substances 0.000 claims abstract description 141
- 239000003190 viscoelastic substance Substances 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 3
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- 238000005265 energy consumption Methods 0.000 abstract 2
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- 239000000463 material Substances 0.000 description 2
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Abstract
The invention relates to the technical field of civil engineering, in particular to a damper and a manufacturing method thereof. A high-damping rubber fluid viscoelastic damper comprises a steel plate layer and a fluid viscoelastic material layer, wherein the steel plate layer comprises a middle steel plate and side steel plates arranged at two sides of the middle steel plate, the fluid viscoelastic material layer is arranged between the steel plate layer and the side steel plates, and the fluid viscoelastic material layer is the high-damping rubber fluid viscoelastic material layer made of high-damping rubber fluid viscoelastic material. Due to the adoption of the technical scheme, the invention has the following advantages: the vibration energy can be absorbed effectively by the deformation of the high-damping rubber fluid viscoelastic material, a hysteresis ring is full, and the fatigue resistance is good; and compared with the traditional fluid viscoelastic damper, the energy consumption property has stronger nonlinearity, and the energy consumption property is good under the condition of extremely small displacement and extremely low speed.
Description
Technical field
The present invention relates to technical field of civil engineering, relate in particular to a kind of damper and preparation method thereof.
Background technology
Existing shear viscoelasticity damper is generally the combination of constraint steel plate and viscoelastic material interphase distribution; Steel plate and viscoelastic material are combined into integral body through handling; In power effect lower steel plate generation relative displacement repeatedly, make viscoelastic material produce reciprocal shear strain, thus power consumption.Traditional arrangement form of shear viscoelasticity damper is: intermediate layer and upper and lower skin are steel plate, clamping viscoelastic material layer between the steel plate.In viscoelastic damper, parameters such as the storage elastic modulus of viscoelastic material, loss elastic modulus and fissipation factor have very big influence to the performance of viscoelastic damper, for this reason, should carry out the research of viscoelastic material and explore.
Summary of the invention
The object of the present invention is to provide a kind of high-damping rubber viscoelastic damper, to solve the problems of the technologies described above.
Another object of the present invention is to provide a kind of preparation method of high-damping rubber viscoelastic damper, to solve the problems of the technologies described above.
The technical problem that the present invention solved can adopt following technical scheme to realize:
A kind of high-damping rubber viscoelastic damper; Comprise steel plate layer and viscoelastic material layer; Said steel plate layer comprises middle steel plate and the side steel plate that is arranged on the middle steel plate both sides; Be provided with said viscoelastic material layer between said middle steel plate and the side steel plate, the high-damping rubber viscoelastic material layer of said viscoelastic material layer for adopting the high-damping rubber viscoelastic material to process.
After the present invention has additional the high-damping rubber viscoelastic material layer; Energy dissipation capacity wind strong, that can effectively reduce building shakes and earthquake response; Have engineering adaptability widely, concern that with displaced plate damper compares, it can both consume energy under all vibration conditions; Even under less vibration condition, also can consume energy.It needs very big displacement yield deformation or overcome friction could take place to bring into play their power consumption effect unlike hysteretic energy device that kind.The present invention is as the effective passive control device, can be applicable to that the number of plies is more, highly big, horizontal rigidity is less, horizontal movement significantly multilayer, high level, higher level building and bridge, pipeline, pylon, tall and slender structure, longspan structure etc.The tall and slender structure wind resistance as the high-strength light material that uses also of this damper finds an economical and effective approach.The present invention both can be used for the wind resistance vibration damping of structure, can be used for the antidetonation shock attenuation of structure again: both can be used for new construction, and can be used for the reinforcing and the shake back reinstatement works of damaged structure again.
Said high-damping rubber viscoelastic material layer is arranged between said middle steel plate and the side steel plate through adopting the mode of vulcanizing treatment, and said high-damping rubber viscoelastic material layer and said steel plate layer connect as one.
For the displacement of satisfying different structure and the needs of damping force; Can high-damping rubber viscoelastic material layer and steel plate layer be superposeed; Form sandwich construction: comprise at least two said middle steel plates and at least three said side steel plates; At least two said middle steel plate both sides are equipped with said side steel plate, are equipped with the high-damping rubber viscoelastic material layer that an employing high-damping rubber viscoelastic material is processed between said middle steel plate and the said side steel plate.
For the displacement of satisfying different structure and the needs of damping force; Can also adopt the mode of following setting: comprise the said steel plate layer of at least two groups; Said side steel plate in the said steel plate layer of at least two groups interconnects; Middle steel plate in the said steel plate layer of at least two groups is spaced from each other, and at least two group steel plate layers form at least two cavitys that separated by said side steel plate between any two.
On the said middle steel plate away from being provided with the connecting bolt hole with high-damping rubber viscoelastic material layer junction;
On the said side steel plate away from also being provided with the connecting bolt hole with high-damping rubber viscoelastic material layer junction.
A kind of preparation method of high-damping rubber viscoelastic damper comprises the steps:
1) makes middle steel plate and side steel plate.
2) make the high-damping rubber viscoelastic material layer, said high-damping rubber viscoelastic material layer adopts the high-damping rubber viscoelastic material to process.
3) said high-damping rubber viscoelastic material layer is arranged between said middle steel plate and the said side steel plate.
In the step 1), when making middle steel plate, the connecting bolt hole is set in a side of middle steel plate; When making the side steel plate, the connecting bolt hole is set in a side of side steel plate.
In the step 3); Said high-damping rubber viscoelastic material layer at first is bonded between said middle steel plate and the said side steel plate; Adopt the mode of vulcanizing treatment then, said high-damping rubber viscoelastic material layer and said middle steel plate, side steel plate are connected as one.So that the high-damping rubber viscoelastic material layer is more firm with being connected of middle steel plate, side steel plate.
Beneficial effect: owing to adopt technique scheme, the present invention has following advantage: through the effective absorbed oscillation energy of the distortion that is arranged on the high-damping rubber viscoelastic material layer between middle steel plate and side steel plate, the hysteresis circle is full, and fatigue performance is good; Compare with traditional viscoelastic damper, its energy dissipation behavior has stronger non-linear nature, under displacement and the very little situation of speed, promptly has good energy-dissipating property; Subtract (the shaking) that can be used for building structure, bridge construction and longspan structure or the like various engineering structure shakes; Simple structure, power transmission is clear and definite, mechanism is clear.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is an another kind of structural representation of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1; A kind of high-damping rubber viscoelastic damper; Comprise steel plate layer and viscoelastic material layer; The steel plate layer comprises middle steel plate 1 and the side steel plate 2 that is arranged on middle steel plate 1 both sides, is provided with viscoelastic material layer between middle steel plate 1 and the side steel plate 2, and viscoelastic material layer is processed high-damping rubber viscoelastic material layer 3 for adopting the high-damping rubber viscoelastic material.High-damping rubber viscoelastic material layer 3 is arranged between middle steel plate 1 and the side steel plate 2 through adopting the mode of vulcanizing treatment, and high-damping rubber viscoelastic material layer 3 connects as one with the steel plate layer.After above-mentioned design, the present invention experiences test of many times and draws relational expression: F
d=kx+cv
γWherein, F
d: the damping force of viscoelastic damper; K: the storage rigidity of viscoelastic damper; X: the shear displacemant of viscoelastic damper; C: the damping constant of viscoelastic damper; V: the shear strain speed of viscoelastic damper; γ: the shear strain speed index of viscoelastic damper.
Obtain power and the displacement hysteresis loop is similar to ellipse through the above-mentioned relation formula, then the unit volume damping force can reach 62.5N/cm
3The present invention has additional after the high-damping rubber viscoelastic material processes high-damping rubber viscoelastic material layer 3; Energy dissipation capacity wind strong, that can effectively reduce building shakes and earthquake response; Have engineering adaptability widely, concern that with displaced plate damper compares, it can both consume energy under all vibration conditions; Even under less vibration condition, also can consume energy.It needs very big displacement yield deformation or overcome friction could take place to bring into play their power consumption effect unlike hysteretic energy device that kind.The present invention is as the effective passive control device, can be applicable to that the number of plies is more, highly big, horizontal rigidity is less, horizontal movement significantly multilayer, high level, higher level building and bridge, pipeline, pylon, tall and slender structure, longspan structure etc.The tall and slender structure wind resistance as the high-strength light material that uses also of this damper finds an economical and effective approach.The present invention both can be used for the wind resistance vibration damping of structure, can be used for the antidetonation shock attenuation of structure again: both can be used for new construction, and can be used for the reinforcing and the shake back reinstatement works of damaged structure again.
For the displacement of satisfying different structure and the needs of damping force; Can high-damping rubber viscoelastic material layer 3 and steel plate layer be superposeed; Form sandwich construction: comprise at least two middle steel plates 1 and at least three side steel plates 2; At least two middle steel plate 1 both sides are equipped with side steel plate 2, are equipped with the high-damping rubber viscoelastic material layer 3 that an employing high-damping rubber viscoelastic material is processed between middle steel plate 1 and the side steel plate 2.The present invention can be provided with a plurality of middle steel plates 1 and side steel plate 2 as required, so that the present invention can be widely used in increasing the scope of application of the present invention in the various engineering project.Stack is provided with when of the present invention, and side steel plate 2 is than more than 1 one of middle steel plates, so that the present invention be that the center is symmetrical with middle steel plate 1 or the side steel plate 2 that is positioned at the middle part usually.On the middle steel plate 1 away from being provided with connecting bolt hole 4 with high-damping rubber viscoelastic material layer 3 junctions; On the side steel plate 2 away from also being provided with connecting bolt hole 5 with high-damping rubber viscoelastic material layer 3 junctions.
With reference to Fig. 2; For the displacement of satisfying different structure and the needs of damping force; Can also adopt the mode of following setting: comprise at least two group steel plate layers; Side steel plate 2 at least two group steel plate layers interconnects, and the middle steel plate 1 at least two group steel plate layers is spaced from each other, and at least two group steel plate layers form at least two cavitys that separated by side steel plate 2 between any two.
A kind of preparation method of high-damping rubber viscoelastic damper comprises the steps:
1) makes middle steel plate 1 and side steel plate 2.When making middle steel plate 1, connecting bolt hole 4 is set in a side of middle steel plate 1; When making side steel plate 2, connecting bolt hole 5 is set in a side of side steel plate 2.
2) make high-damping rubber viscoelastic material layer 3, high-damping rubber viscoelastic material layer 3 adopts the high-damping rubber viscoelastic material to process.
3) high-damping rubber viscoelastic material layer 3 is arranged between middle steel plate 1 and the side steel plate 2.The high-damping rubber viscoelastic material layer at first is bonded between middle steel plate and the side steel plate, adopts the mode of vulcanizing treatment then, and high-damping rubber viscoelastic material layer and middle steel plate, side steel plate are connected as one.So that the high-damping rubber viscoelastic material layer is more firm with being connected of middle steel plate, side steel plate.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the manual just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. high-damping rubber viscoelastic damper; Comprise steel plate layer and viscoelastic material layer; Said steel plate layer comprises middle steel plate and the side steel plate that is arranged on the middle steel plate both sides; Be provided with said viscoelastic material layer between said middle steel plate and the side steel plate, it is characterized in that, the high-damping rubber viscoelastic material layer of said viscoelastic material layer for adopting the high-damping rubber viscoelastic material to process;
Said high-damping rubber viscoelastic material layer is arranged between said middle steel plate and the side steel plate through adopting the mode of vulcanizing treatment, and said high-damping rubber viscoelastic material layer and said steel plate layer connect as one;
Said high-damping rubber viscoelastic material layer at first is bonded between said middle steel plate and the said side steel plate, adopts the mode of vulcanizing treatment then, and said high-damping rubber viscoelastic material layer and said middle steel plate, side steel plate are connected as one;
On the said middle steel plate away from being provided with the connecting bolt hole with high-damping rubber viscoelastic material layer junction; On the said side steel plate away from also being provided with the connecting bolt hole with high-damping rubber viscoelastic material layer junction;
Comprise at least two said middle steel plates and at least three said side steel plates; At least two said middle steel plate both sides are equipped with said side steel plate, are equipped with the high-damping rubber viscoelastic material layer that an employing high-damping rubber viscoelastic material is processed between said middle steel plate and the said side steel plate;
Comprise the said steel plate layer of at least two groups; Said side steel plate in the said steel plate layer of at least two groups interconnects; Middle steel plate in the said steel plate layer of at least two groups is spaced from each other, and at least two group steel plate layers form at least two cavitys that separated by said side steel plate between any two.
2. the preparation method of the described high-damping rubber viscoelastic damper of claim 1 is characterized in that, comprises the steps:
1) makes middle steel plate and side steel plate;
2) make the high-damping rubber viscoelastic material layer, said high-damping rubber viscoelastic material layer adopts the high-damping rubber viscoelastic material to process;
3) said high-damping rubber viscoelastic material layer is arranged between said middle steel plate and the said side steel plate;
Said high-damping rubber viscoelastic material layer at first is bonded between said middle steel plate and the said side steel plate, adopts the mode of vulcanizing treatment then, and said high-damping rubber viscoelastic material layer and said middle steel plate, side steel plate are connected as one.
3. the preparation method of high-damping rubber viscoelastic damper according to claim 2 is characterized in that: in the step 1), when making middle steel plate, in a side of middle steel plate the connecting bolt hole is set; When making the side steel plate, the connecting bolt hole is set in a side of side steel plate.
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| CN109653958A (en) * | 2018-12-26 | 2019-04-19 | 长沙理工大学 | Self-resetting rubber damping energy-consuming device |
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| CN102182256A (en) | 2011-09-14 |
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