CN2597576Y - Ultra-elastic damper of engineering structure marmem - Google Patents
Ultra-elastic damper of engineering structure marmem Download PDFInfo
- Publication number
- CN2597576Y CN2597576Y CNU032202040U CN03220204U CN2597576Y CN 2597576 Y CN2597576 Y CN 2597576Y CN U032202040 U CNU032202040 U CN U032202040U CN 03220204 U CN03220204 U CN 03220204U CN 2597576 Y CN2597576 Y CN 2597576Y
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- memory alloy
- alloy wire
- wire cable
- adjusting screw
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Abstract
The utility model relates to super elasticity damper with an engineering structure shape memory alloy pull and push type, which is applied in a building structure to cut down vibration, the damper is provided with an adjusting screw and a nut which are arrange on a back cylinder cover and a front cylinder cover at the two ends of a main cylinder barrel, the two ends of the shape memory alloy wire cable are respectively fixed on the adjusting screw, the pre-deformation of the shape memory alloy wire cable is adjusted by the adjusting screw which is locked closely by nut, the main cylinder barrel is provided with a piston, one end of a transmitting rod is fixed on the piston, the other end of the transmitting rod extends outside the front cylinder cover; the piston is also provided with a piston tightening cushion, the piston is closely fixed with the shape memory alloy wire cable by a slot flat end tightening bolt, compared with the ordinary damper product, the damper has the advantages of definite stress, simple structure, easy arrangement and replacement, strong fatigue resistance, good durability, good dissipation energy decreasing vibration effect, etc, and has a steady performance in a certain temperature and frequency area.
Description
One, technical field
The utility model is a kind of device that is applied to energy-dissipating and shock-absorbing in the building structure, belongs to the technical field of the damping device manufacturing of building structure.
Two, background technology
Good passive control device can be improved the performance of engineering structures effectively, alleviate the reaction of engineering structures (comprising building structure, tall and slender structure and bridge construction etc.) under high wind and geological process significantly, guarantee its safety and comfortableness under shaking by force.Some limitation appear in more existing vibration absorbers on the engineering in application: the problem (rubber vibration isolation device) of for example aging and durability, the reliability of long-term work (viscous fluid damper), renewal after shaking by force and replacement problem (steel surrender damper) and mechanical property depend on temperature (viscoelastic damper) or the like.Utilize the special performance exploitation of intellectual material and the energy-dissipating and shock-absorbing damping device that development is suitable for engineering structures, become a focus of research.
Three, summary of the invention
1, technical problem
Goal of the invention of the present utility model provides that a kind of resistance to corrosion is strong, the engineering structures marmem tension and compression type super-elasticity damper of damping vibration attenuation function admirable.
2, technical scheme
Engineering structures marmem tension and compression type super-elasticity damper of the present utility model is made up of attachment screw, screw, back cylinder cover, master cylinder tube, shape-memory alloy wire cable, piston, the fastening pad of piston, trip bolt, guide rod, front end housing, adjusting screw(rod), nut.On the back cylinder cover at master cylinder tube two ends and front end housing, be provided with adjusting screw(rod) and nut, two of shape-memory alloy wire cable is separately fixed on the adjusting screw(rod), regulate the predeformation of shape-memory alloy wire cable by adjusting screw(rod), by nut check, in the master cylinder tube, be provided with piston, one end of guide rod is fixed on the piston, and the other end stretches out outside the front end housing; On piston, also be provided with the fastening pad of piston, by fluting flush end trip bolt piston and shape-memory alloy wire cable are fixed, the shape-memory alloy wire cable is the axial line that is symmetrical in the master cylinder tube more than 2 or two, arrange evenly on the circumference in the master cylinder tube that the shape-memory alloy wire cable is at the master cylinder tube) in by the point midway of adjusting screw(rod) predeformation to the super-elasticity platform.The utility model mainly utilizes the superelastic properties of marmem, develops a kind of well behaved damping device, and part substitutes conventional damper, remedies the some shortcomings of conventional damper in engineering is used.Mainly solve: the selection of the super elastic shape memory alloy material that engineering structures is used, the design of marmem tension and compression type super-elasticity damper and effective binding of shape-memory alloy wire cable and steel member.All super elastic shape memory alloy silk cables all predeformation make damper obtain bigger energy dissipation capacity to the point midway of super-elasticity platform.In the time of damper work, guide rod is stressed, cylinder barrel and piston generation relative motion, and shape-memory alloy wire cable one side of piston both sides is stretched, and opposite side shrinks, and the tensile stress of shape-memory alloy wire cable also correspondingly increases or reduces.In this case, a side shape-memory alloy wire cable stress increases and continues the martensite phase transformation takes place, and opposite side shape-memory alloy wire cable stress reduces to take place the martensite reverse transformation.Both sides shape-memory alloy wire cable is similar to interactional two groups of springs, thereby co-operation provides stable damping force when loading.
3, technique effect
The utility model is a tension and compression type super-elasticity damper, the damping material NiTi marmem that is adopted has resistance to corrosion, antifatigue effect preferably, better super-elasticity damping capacity, temperature and the frequency separation used in engineering have stable mechanical property or the like (the existing verification experimental verification that carried out).The marmem tension and compression type super-elasticity damper of being developed is compared with conventional damper product, have stressed clear and definite, characteristics such as mechanism simple, be easy to installation and replacing, anti-fatigue ability is strong, good endurance, passive energy dissipation effect are good, and in uniform temperature and frequency separation, have stable performance.Be embodied as following some:
(1) " the engineering structures marmem tension and compression type super-elasticity damper " invented for displacement relationship type damper, can provide certain rigidity.It is simple in structure, is easy to install, and maintains more stable damping characteristic in certain temperature range that engineering is used and frequency range, and has reasonable corrosion-resistant and anti-fatigue ability.
(2) " the engineering structures marmem tension and compression type super-elasticity damper " invented is stressed by guide rod, promote the piston reciprocates in the cylinder barrel, make the NiTi super elastic shape memory alloy silk cable on piston both sides produce stretching or compression, produce the super-elasticity damping, full hysteresis loop and stable damping force are provided, reach the purpose of energy-eliminating shock-absorbing; Can improve the sluggish energy-dissipating property of super-elasticity of damper effectively by regulating the predeformation of shape-memory alloy wire cable.
(3) " the engineering structures marmem tension and compression type super-elasticity damper " invented can be used for the control of the structural vibration that horizontal vibration and vertical motion cause; The vibration damping that can be used for various engineering structures such as building structure, bridge construction and large-span structure.
Four, description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model.Attachment screw 1, screw 2, back cylinder cover 3, master cylinder tube 4, shape-memory alloy wire cable 5, nut 6, piston 7, the fastening pad 8 of piston, trip bolt 9, guide rod 10, front end housing 11, adjusting screw(rod) 12, nut 13 are wherein arranged.
Five, specific embodiments
Engineering structures marmem tension and compression type super-elasticity damper of the present utility model, on the back cylinder cover 3 at master cylinder tube 4 two ends and front end housing 11, be provided with adjusting screw(rod) 12 and nut 13, two of shape-memory alloy wire cable 5 is separately fixed on the adjusting screw(rod) 12, predeformation by adjusting screw(rod) 12 adjusting shape-memory alloy wire cables, by nut 13 lockings, be provided with piston 7 in master cylinder tube 4, an end of guide rod 10 is fixed on the piston 4, and the other end stretches out outside the front end housing 11; On piston 7, also be provided with the fastening pad 8 of piston, piston 7 and shape-memory alloy wire cable fixed by fluting flush end trip bolt 9.
Embodiment 14 bundle NiTi shape-memory alloy wire cables are evenly arranged along circumference.Corresponding part among shape-memory alloy wire cable and Fig. 1 is assembled into damper, piston and before, be coated with a little butter in the cannelure of cylinder cap, the order of assembling is from the inside to the outside, makes piston be in the oil cylinder centre position during assembling as far as possible.After each several part fixes, by the nut on the adjusting screw(rod) shape-memory alloy wire cable is applied predeformation simultaneously at two ends.
Embodiment 28 bundle NiTi shape-memory alloy wire cables are along 1/8 circumference.With corresponding part among shape-memory alloy wire cable and Fig. 1 be assembled into damper piston and before, be coated with a little butter in the cannelure of cylinder cap, the order of assembling is from the inside to the outside, makes piston be in the oil cylinder centre position during assembling as far as possible.After each several part fixes, by the nut on the adjusting screw(rod) shape-memory alloy wire cable is applied predeformation simultaneously at two ends.
Claims (4)
1, a kind of engineering structures marmem tension and compression type super-elasticity damper, it is characterized in that on the back cylinder cover (3) at master cylinder tube (4) two ends and front end housing (11), being provided with adjusting screw(rod) (12) and nut (13), two of shape-memory alloy wire cable (5) is separately fixed on the adjusting screw(rod) (12), regulate the predeformation of shape-memory alloy wire cable (5) by adjusting screw(rod) (12), lock by nut (13), in master cylinder tube (4), be provided with piston (7), one end of guide rod (10) is fixed on the piston (4), and the other end stretches out outside the front end housing (11); On piston (7), also be provided with the fastening pad of piston (8), piston (7) and shape-memory alloy wire cable (5) fixed by fluting flush end trip bolt (9).
2, engineering structures marmem tension and compression type super-elasticity damper according to claim 1, it is characterized in that shape-memory alloy wire cable (5) is the axial line that is symmetrical in master cylinder tube (4) more than 2 or two, evenly arrange on the circumference in master cylinder tube (4).
3, engineering structures marmem tension and compression type super-elasticity damper according to claim 1 and 2, it is characterized in that shape-memory alloy wire cable (5) in master cylinder tube (4) by the point midway of adjusting screw(rod) (12) predeformation to the super-elasticity platform.
4, engineering structures marmem tension and compression type super-elasticity damper according to claim 1 and 2 is characterized in that marmem is NiTi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032202040U CN2597576Y (en) | 2003-03-04 | 2003-03-04 | Ultra-elastic damper of engineering structure marmem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032202040U CN2597576Y (en) | 2003-03-04 | 2003-03-04 | Ultra-elastic damper of engineering structure marmem |
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| Publication Number | Publication Date |
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| CN2597576Y true CN2597576Y (en) | 2004-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU032202040U Expired - Fee Related CN2597576Y (en) | 2003-03-04 | 2003-03-04 | Ultra-elastic damper of engineering structure marmem |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973098B (en) * | 2004-03-03 | 2010-07-28 | 波利瓦洛尔合股公司 | Self-centering energy dissipative brace apparatus with tensioning elements |
| CN101070715B (en) * | 2007-04-06 | 2010-09-08 | 大连理工大学 | Energy-consumption resetting shape memory alloy damper |
| CN102121507A (en) * | 2011-03-18 | 2011-07-13 | 杭州电子科技大学 | Energy consumption shock absorber |
| CN102425242A (en) * | 2011-09-07 | 2012-04-25 | 湖南大学 | Sliding type performance-adjustable shape memory alloy damper |
| CN103671696A (en) * | 2013-11-26 | 2014-03-26 | 徐州工程学院 | Automatic reset tension-and-torsion-resistant shape memory alloy damper |
| CN103867628A (en) * | 2014-03-29 | 2014-06-18 | 中国科学技术大学 | Hydraulic buffering device using shape memory alloy |
| CN104389355A (en) * | 2014-12-04 | 2015-03-04 | 长安大学 | Large deformation protector for anti-seismic control damper |
| CN115539543A (en) * | 2022-08-31 | 2022-12-30 | 电子科技大学 | Vibration reduction buffer based on NiTi shape memory alloy |
-
2003
- 2003-03-04 CN CNU032202040U patent/CN2597576Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973098B (en) * | 2004-03-03 | 2010-07-28 | 波利瓦洛尔合股公司 | Self-centering energy dissipative brace apparatus with tensioning elements |
| CN101070715B (en) * | 2007-04-06 | 2010-09-08 | 大连理工大学 | Energy-consumption resetting shape memory alloy damper |
| CN102121507A (en) * | 2011-03-18 | 2011-07-13 | 杭州电子科技大学 | Energy consumption shock absorber |
| CN102425242A (en) * | 2011-09-07 | 2012-04-25 | 湖南大学 | Sliding type performance-adjustable shape memory alloy damper |
| CN103671696A (en) * | 2013-11-26 | 2014-03-26 | 徐州工程学院 | Automatic reset tension-and-torsion-resistant shape memory alloy damper |
| CN103671696B (en) * | 2013-11-26 | 2016-06-29 | 徐州工程学院 | A kind of Automatic reset tension-and-torsion-shapetant shapetant memory alloy damper |
| CN103867628A (en) * | 2014-03-29 | 2014-06-18 | 中国科学技术大学 | Hydraulic buffering device using shape memory alloy |
| CN103867628B (en) * | 2014-03-29 | 2016-02-17 | 中国科学技术大学 | A kind of hydraulic damping device using marmem |
| CN104389355A (en) * | 2014-12-04 | 2015-03-04 | 长安大学 | Large deformation protector for anti-seismic control damper |
| CN104389355B (en) * | 2014-12-04 | 2016-07-06 | 长安大学 | A kind of earthquake resistant control antivibrator large deformation protection device |
| CN115539543A (en) * | 2022-08-31 | 2022-12-30 | 电子科技大学 | Vibration reduction buffer based on NiTi shape memory alloy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |