CN201521043U - Memory alloy shock absorption control device - Google Patents
Memory alloy shock absorption control device Download PDFInfo
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- CN201521043U CN201521043U CN2009202686975U CN200920268697U CN201521043U CN 201521043 U CN201521043 U CN 201521043U CN 2009202686975 U CN2009202686975 U CN 2009202686975U CN 200920268697 U CN200920268697 U CN 200920268697U CN 201521043 U CN201521043 U CN 201521043U
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title abstract description 9
- 230000035939 shock Effects 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 title 1
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 238000002910 structure generation Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a protector of building especially relates to a reduce protector of external vibrations influence. The utility model discloses a memory alloy shock attenuation controlling means, including frame and the attenuator of setting in the frame, the attenuator adopts the friction damper, and four corners of friction damper are respectively through buckling restrained brace component and frame attach, and buckling restrained brace component adopts the shape memory alloy material. The device is convenient to install and disassemble, has strong energy consumption capability and has wide shockproof and anti-seismic application fields.
Description
Technical field
The utility model relates to a kind of protector of building, relates in particular to a kind of protector that reduces external vibration effects.
Background technology
Traditional civil engineering structure seismic design is come earthquake energy by the elastic-plastic deformation of structural element, reach the purpose that alleviates geological process, but the power consumption of the elastoplasticity of structural element can cause damage to structure inevitably, or even the damage that can not repair.The violent earthquake that is taken place in recent years is (as U.S. Northridge in 1994, nineteen ninety-five Japan Kobe, Taiwan Ji Ji in 1999, Chinese Wenchuan in 2008) the serious structural deterioration that causes and the heavy losses of property this defective that exposed traditional Seismic Design Method.
The passive energy dissipation technology consumes the seismic energy that was consumed by structural element (for example beam column node) originally, the distortion and the damage that have alleviated structure greatly by passive energy-dissipating device is set in structure.The energy consumer of having developed at present mainly contains four classes: friction energy dissipation device, metal yield energy consumer, viscous energy consumer and viscoelastic damper.Friction energy dissipation device is easier to apply with respect to other three kinds of modes in engineering because of its energy dissipation capacity is strong, stable performance, cheap.The Pall friction energy dissipation device is proposed in nineteen eighty-two by Pall and Marsh, is applied in the civilian and industrial construction in many buildings of Canada, the U.S., India and China.On the basis of Pall frcition damper, propose T core plate friction energy dissipation device and variable friction energy dissipation device etc. again, all had Pall friction energy dissipation device four rod deformation mechanisms, therefore be referred to as Pall type frcition damper.It is strong that Pall type frcition damper has an energy dissipation capacity, do not supported the influence of flexing power.
The form of metal yield energy consumer, as disclosed Chinese patent on February 27th, 2008, publication number is CN101131005A, a kind of metal yield and friction damper associated shock-absorbing control method are disclosed, it is mainly connected steel plate and is formed by power consumption steel plate, friction steel plate, level, realize consuming energy stage by stage by friction steel plate and power consumption steel plate, make sinker have adjustable function by the length of adjusting the friction steel plate sliding tray, its effect is much worse than friction energy dissipation device greatly.
Anti-flexing supports and is considered to up-and-coming a kind of power consumption support, and it is a kind of a kind of energy-dissipating device that can prevent to support flexing that anti-flexing supports.The research that anti-flexing supports then is at the early-stage at home, and this energy consumer has the advantage that tonnage is big, energy dissipation capacity by force, is not subjected to frequency influence.But frcition damper is after big shake, and the support of frcition damper is because flexing and not quick detachable, so the advantage that supports in conjunction with frcition damper and anti-flexing has proposed frcition damper and anti-flexing support associated shock-absorbing control device.
In the prior art, anti-flexing supports and frcition damper adopts the ordinary steel material usually, has produced expendable plastic strain because plastic deformation takes place for it, and its application is subjected to certain restriction.Marmem is a kind of new metallic material, has elastic performance and shape-memory properties, prevents that flexing supports and frcition damper has good market prospects so utilize marmem to make.
The utility model content
Technique effect of the present utility model overcomes above-mentioned defective, and a kind of memorial alloy damping control device is provided, and it adopts new material, energy dissipation capacity is strong, be convenient to install, improve friction energy dissipation device and support easy flexing, not easily detachable shortcoming, satisfy the needs that engineering is used better.
For achieving the above object, the utility model adopts following technical scheme: it comprises framework and is arranged on the interior damper of framework, damper adopts frcition damper, four corners of frcition damper are connected with framework by curvature-prevention support component respectively, and curvature-prevention support component adopts the marmem material.
Frcition damper and curvature-prevention support component bolt.Curvature-prevention support component and framework bolt or riveted joint or welding.Frcition damper adopts Pall frcition damper or T core plate frcition damper or variable friction dampers.
The Pall frcition damper comprises cross central layer, tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The both sides that the cross central layer is relative are provided with arc-shaped slot, and both sides are fixed on the perpendicular connecting plate by four corner bolts in addition, and the cross central layer adopts the marmem material; Tranverse connecting plate is connected by four corner bolts with perpendicular connecting plate, and tranverse connecting plate and cross central layer junction are by friction plate at interval; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt.
T core plate frcition damper comprises T core plate (can be one or more layers as required), tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The perpendicular end of T core plate is provided with arc-shaped slot, and horizontal end is fixed on the perpendicular connecting plate by four corner bolts, and T core plate adopts the marmem material; Tranverse connecting plate is connected by four corner bolts with perpendicular connecting plate, and the perpendicular end of tranverse connecting plate and T core plate junction by friction plate at interval; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt.
The slotted eye center line is the center of circle, is radius with two screw center to center distance on the perpendicular connecting plate with the mid point of two the four jiaos of screw lines of centres in bottom, the arc-shaped slot width is slightly larger than the slide bolt diameter, should be not less than the maximum stratified deformation limit value of structure behind the arc-shaped slot center line chord deduction slide bolt diameter.Friction plate adopts good endurance, friction material that friction factor is high, as automobile brake sheet etc.Multilayer T core plate friction energy dissipation device by the support and connection on four corner bolts in structure.Structure generation lateral deformation will be by the lateral movement of supporting drive energy consumer.After the stressed overcome friction of energy consumer, become parallelogram by rectangle, tranverse connecting plate drives slide bolt relative T core plate in arc-shaped slot and does circular motion.Friction plate is also with tranverse connecting plate motion, and friction plate will consume the outside with relative fricting movement between T core plate and import energy, thereby reach the effect that alleviates vibration.
T core plate frcition damper has been compared following advantage with the Pall friction energy dissipation device: (1) can determine the number of T core plate flexibly according to requirement of engineering; Increase the number of T core plate, can improve the frictional force of energy consumer; (2) simplify the flat shape of central layer, reduced machined surface; (3) the arc bolt slot is reduced to one by two, has reduced processing capacity; (4) reduced by two erection bolts, helped improving machining accuracy.
Variable friction dampers comprises T core plate, tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The perpendicular end of T core plate is provided with arc-shaped slot, and horizontal end is fixed on the perpendicular connecting plate by four corner bolts, and T core plate adopts the marmem material; Tranverse connecting plate is connected by four corner bolts with perpendicular connecting plate, and the perpendicular end of tranverse connecting plate and T core plate junction by friction plate at interval; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt; The end of the perpendicular end of T core plate is a wedge shape, and friction plate adopts corresponding inclined-plane, and both gradients are identical.
Arc-shaped slot is arranged at T core plate top, the slotted eye center line is the center of circle, is radius with two screw center to center distance on the perpendicular connecting plate with the mid point of two the four jiaos of screw lines of centres in bottom, the arc-shaped slot width is slightly larger than the slide bolt diameter, should be not less than the maximum stratified deformation limit value of structure behind the arc-shaped slot center line chord deduction slide bolt diameter.Multilayer T core plate friction energy dissipation device by the support and connection on four corner bolts in structure.Structure generation lateral deformation will be by the lateral movement of supporting drive energy consumer.After the stressed overcome friction of energy consumer, become parallelogram by rectangle, tranverse connecting plate drives slide bolt relative T core plate in arc-shaped slot and does circular motion.Friction plate is also with tranverse connecting plate motion, and with the relative motion position camber line translation of T core plate, promptly the existing horizontal component of the motion of friction plate also has vertical component.Therefore, when displacement structure increased, energy consumer became parallelogram by rectangle, and T core plate relative friction plate in wedge shape termination and tranverse connecting plate are done to extract motion out, and frictional force reduces; When displacement structure reduced, the energy consumer energy consumer was become again by parallelogram and is rectangle, and T core plate relative friction plate in wedge shape termination and tranverse connecting plate are got into motion, and frictional force increases.Like this, variable friction dampers just utilizes friction energy-dissipating mechanism to realize the essential characteristic of viscous energy consumer: restoring force minimum during displacement maximum (being the speed minimum), restoring force maximum during displacement minimum (being the speed maximum).Variable friction energy dissipation device has possessed the advantage of Pall friction energy dissipation device and viscous energy consumer simultaneously, has also overcome shortcoming separately simultaneously.Variable friction energy dissipation device is compared with T core plate frcition damper, is that just T core plate has changed the inclined-plane into by the plane.
The super-elasticity character of marmem is compared with other ordinary metallic material many advantages: at first the fatigue properties of super elastic shape memory alloy are fine, and occur damage inevitably in other material circulation, influence the life-span; Next marmem recoverable strain value very big (6%～8%), common metal material is difficult to realize; Last because austenite modulus of elasticity is greater than the martensite modulus of elasticity, and the marmem modulus of elasticity raises with temperature and increases (opposite with common metal), and this makes it still keep high elastic modulus under higher temperature.Therefore, this device that utilizes marmem to make has wide range of applications.
Because shape memory alloy material has super-elasticity and shape memory effect, this device can be undertaken from resetting by superelastic properties after shake, also can utilize shape memory effect alloy device to be resetted by heating, solve other and supported the irreducible defective in shake back, shape memory alloy material has advantage corrosion-resistant, antifatigue simultaneously, and this device has good application prospects.
Because shape memory alloy material involves great expense, the part of curvature-prevention support component and T core plate can be adopted shape memory alloy material, part adopt stainless steel, can reduce cost greatly like this.Certainly, also can on common supporting way, adopt shape memory alloy material, also can reach damping effect preferably.
This device is easy for installation, be convenient to dismounting, and its energy dissipation capacity is strong, has shockproof widely, antidetonation application.
Description of drawings
Fig. 1 is a contour structures schematic diagram of the present utility model;
Fig. 2 is the cross core plated construction schematic diagram of embodiment 1 of the present utility model;
Fig. 3 is embodiment 1 a frcition damper structural representation of the present utility model;
Fig. 4 is embodiment 1 a frcition damper side structure schematic diagram of the present utility model;
Fig. 5 is the T core plated construction schematic diagram of embodiment 2 of the present utility model;
Fig. 6 is embodiment 2 frcition damper structural representations of the present utility model;
Fig. 7 is embodiment 2 frcition damper side structure schematic diagrames of the present utility model;
Fig. 8 is embodiment 3 frcition damper side structure schematic diagrames of the present utility model.
The specific embodiment
This device comprises framework 1 and is arranged on the interior damper of framework, damper employing frcition damper 2, and four corners of frcition damper 2 are connected with framework 1 by curvature-prevention support component 3 respectively, and curvature-prevention support component 3 adopts the marmem materials.
Substantially with embodiment 2, frcition damper 2 adopts variable friction dampers, frcition damper 2 and curvature-prevention support component 3 bolts.Curvature-prevention support component 3 and framework 1 riveted joint.Variable friction dampers comprises T core plate 11, tranverse connecting plate 5, perpendicular connecting plate 6, friction plate 7, slide bolt 8, four corner bolts 9; The perpendicular end of T core plate is provided with arc-shaped slot 10, and horizontal end is fixed on the perpendicular connecting plate 6 by four corner bolts 9; Tranverse connecting plate 5 is connected by four corner bolts 9 with perpendicular connecting plate 6, and tranverse connecting plate 5 passes through friction plate 7 at interval with T core plate 11 perpendicular end junctions; Slide bolt 8 is fixed on the tranverse connecting plate 5 and connects arc-shaped slot 10, and the width of arc-shaped slot 10 is greater than the diameter of slide bolt 8; T core plate 11 adopts the marmem material.The end 12 of T core plate 11 perpendicular ends is a wedge shape, and friction plate 7 adopts corresponding inclined-plane, and both gradients are identical.
Claims (7)
1. memorial alloy damping control device, comprise framework and be arranged on the interior damper of framework, it is characterized in that damper adopts frcition damper, four corners of frcition damper are connected with framework by curvature-prevention support component respectively, and curvature-prevention support component adopts the marmem material.
2. memorial alloy damping control device according to claim 1 is characterized in that frcition damper and curvature-prevention support component bolt.
3. memorial alloy damping control device according to claim 1 and 2 is characterized in that curvature-prevention support component and framework bolt or riveted joint or welding.
4. memorial alloy damping control device according to claim 1 is characterized in that frcition damper adopts Pall frcition damper or T core plate frcition damper or variable friction dampers.
5. memorial alloy damping control device according to claim 4 is characterized in that the Pall frcition damper comprises cross central layer, tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The both sides that the cross central layer is relative are provided with arc-shaped slot, and both sides are fixed on the perpendicular connecting plate by four corner bolts in addition, and the cross central layer adopts the marmem material; Tranverse connecting plate is connected by four corner bolts with perpendicular connecting plate, and tranverse connecting plate and cross central layer junction are by friction plate at interval; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt.
6. memorial alloy damping control device according to claim 4 is characterized in that T core plate frcition damper comprises T core plate, tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The perpendicular end of T core plate is provided with arc-shaped slot, and horizontal end is fixed on the perpendicular connecting plate by four corner bolts, and T core plate adopts the marmem material; Tranverse connecting plate is connected by four corner bolts with perpendicular connecting plate, and the perpendicular end of tranverse connecting plate and T core plate junction by friction plate at interval; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt.
7. memorial alloy damping control device according to claim 4 is characterized in that variable friction dampers comprises T core plate, tranverse connecting plate, perpendicular connecting plate, friction plate, slide bolt, four corner bolts; The perpendicular end of T core plate is provided with arc-shaped slot, and horizontal end is fixed on the perpendicular connecting plate by four corner bolts, and T core plate adopts the marmem material; Horizontal winning in succession is connected by four corner bolts with perpendicular connecting plate, and the perpendicular end of tranverse connecting plate and T core plate junction by friction plate at interval; The end of the perpendicular end of T core plate is a wedge shape, and friction plate adopts corresponding inclined-plane, and both gradients are identical; Slide bolt is fixed on the tranverse connecting plate and connects arc-shaped slot, and the width of arc-shaped slot is greater than the diameter of slide bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202686975U CN201521043U (en) | 2009-11-04 | 2009-11-04 | Memory alloy shock absorption control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202686975U CN201521043U (en) | 2009-11-04 | 2009-11-04 | Memory alloy shock absorption control device |
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| CN201521043U true CN201521043U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202686975U Expired - Fee Related CN201521043U (en) | 2009-11-04 | 2009-11-04 | Memory alloy shock absorption control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132625A (en) * | 2011-11-30 | 2013-06-05 | 青建集团股份公司 | Damping control device based on magnetostrictive friction |
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2009
- 2009-11-04 CN CN2009202686975U patent/CN201521043U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132625A (en) * | 2011-11-30 | 2013-06-05 | 青建集团股份公司 | Damping control device based on magnetostrictive friction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20111104 |