CN206352344U - tension and compression type damper based on magnetic control shape memory alloy - Google Patents
tension and compression type damper based on magnetic control shape memory alloy Download PDFInfo
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- CN206352344U CN206352344U CN201621489434.3U CN201621489434U CN206352344U CN 206352344 U CN206352344 U CN 206352344U CN 201621489434 U CN201621489434 U CN 201621489434U CN 206352344 U CN206352344 U CN 206352344U
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- shape memory
- memory alloy
- magnetic control
- cylinder body
- control shape
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Abstract
The utility model discloses a kind of tension and compression type damper based on magnetic control shape memory alloy, including housing, coil rack, magnetic control shape memory alloy rod, bias coil, excitation coil, guide rod, adpting flange, enclosure interior is divided into, in, lower three cylinder bodies, lower cylinder body bottom is blocked with bottom end cover, the first damping spring and connecting rod are provided with lower cylinder body, blocked at the top of upper cylinder body with upper end cover, the second damping spring and guide rod are provided with upper cylinder body, coil rack is provided with middle cylinder body, excitation coil and bias coil are sequentially provided with coil rack, middle cylinder body has magnetic control shape memory alloy rod, the upper end of magnetic control shape memory alloy rod is connected with guide rod, lower end is connected with connecting rod, middle cylinder side wall is provided with wire guide.The utility model using magnetic control shape memory alloy rod super-elasticity and magnetic shape memory effect, realize it is passive, half actively, active control, have the advantages that multiple working conditions, automatically reset, response frequency is high, damping capacity is strong, performance is relatively stablized.
Description
Technical field
The utility model is related to a kind of damper, more particularly to a kind of tension and compression type damping based on magnetic control shape memory alloy
Device.
Background technology
Structural vibration reduction control is by rationally setting damping absorption device in the structure, to efficiently control the vibration of structure
Response, makes every response value of the structure under the effect of earthquake, strong wind or other dynamic interferences be controlled in allowed band, this is right
In the antidetonation, the wind loading rating that improve civil engineering structure, meet structure safety and use functional requirement, have great importance.
Magnetic control shape memory alloy not only has SME and super-elasticity caused by martensitic traoformation, and has
Martensite variants redirect caused mangneto SME and super-elasticity.It has piezoelectric ceramics concurrently and magnetostriction materials ring
The characteristics of frequency is fast, temperature control marmem output strain and stress is big is answered, is one of hot topic of intellectual material research.Cause
This, the advantages of making full use of magnetic control shape memory alloy from height response frequency, big output displacement and automatically reset, by appropriate
Tectonic sieving to avoid its defect in processing characteristics, research and develop and a kind of be adapted to the large-tonnage of civil engineering structure, have concurrently
Passively, the intelligent damper of half active and active control device characteristic has certain practical significance.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of intelligence degree of the utility model offer is high, response frequency is high, performance is steady
The fixed reliable tension and compression type damper based on magnetic control shape memory alloy.
The technical scheme that the utility model solves the above problems is：A kind of tension and compression type resistance based on magnetic control shape memory alloy
Buddhist nun's device, including housing, coil rack, magnetic control shape memory alloy rod, bias coil, excitation coil, guide rod, adpting flange, institute
State provided with two upper spacers and lower clapboard being parallel to each other in housing, enclosure interior is divided into upper, middle and lower by upper spacer and lower clapboard
Three cylinder bodies, lower cylinder body bottom is blocked with bottom end cover, and the first damping spring and inverted T-shaped connecting rod, described first are provided with lower cylinder body
The lower end of damping spring is connected with bottom end cover, and the upper end of the first damping spring is connected with the crossbeam of connecting rod bottom, the upper end of connecting rod
Stretch into middle cylinder body, blocked at the top of upper cylinder body with upper end cover through lower clapboard, the second damping spring and guide rod are provided with upper cylinder body,
The upper end of guide rod is extend out to outside housing through upper end cover, and the lower end of guide rod is stretched into middle cylinder body through upper spacer, second resistance
Buddhist nun's spring housing is provided with baffle plate on guide rod in the middle part of guide rod, baffle plate is in cross with the entirety that guide rod is constituted, second damping
Lower spring end is connected with upper spacer, the lower end connection of the second damping spring upper end and baffle plate, and coil bone is provided with the middle cylinder body
Excitation coil and bias coil are sequentially provided with frame, coil rack, the center of middle cylinder body is provided with magnetic control shape memory alloy rod,
The upper end of magnetic control shape memory alloy rod and the lower end of guide rod are connected, the lower end of magnetic control shape memory alloy rod and the upper end of connecting rod
Connection, middle cylinder side wall is provided with wire guide.
In the above-mentioned tension and compression type damper based on magnetic control shape memory alloy, the top of the guide rod and the bottom of bottom end cover
Provided with adpting flange.
In the above-mentioned tension and compression type damper based on magnetic control shape memory alloy, it is between the upper end cover, bottom end cover and housing
Threaded connection.
In the above-mentioned tension and compression type damper based on magnetic control shape memory alloy, first damping spring, the second damping bullet
Spring is in the shape of a spiral.
In the above-mentioned tension and compression type damper based on magnetic control shape memory alloy, the housing, upper end cover, bottom end cover, guide rod
It is made with connecting rod of non-permeable material.
The beneficial effects of the utility model are：The utility model is provided with magnetic control shape memory alloy rod in middle cylinder body,
Using the super-elasticity and magnetic shape memory effect of magnetic control shape memory alloy rod, passive Self-resetting metal is shown as during no power
Damper, a small amount of energy shows as yield point elongation adjustable half active self-resetting metal damper when being powered, the enough energy leads to
Active control actuator and restorer are shown as when electric, with multiple working conditions, automatically reset, response frequency is high, damping capacity
By force, the advantages of performance is relatively stablized.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model includes adpting flange 1, bottom end cover 2, the first damping spring 3-1, the second damping bullet
Spring 3-2, connecting rod 4, housing 5, excitation coil 6, bias coil 7, coil rack 8, magnetic control shape memory alloy rod 9, guide rod 10, on
End cap 11, provided with two upper spacers 13 and lower clapboard 14 being parallel to each other in the housing 5, upper spacer 13 and lower clapboard 14 are by shell
It is divided into the cylinder body of upper, middle and lower three inside body 5, lower cylinder body bottom bottom end cover 2 is blocked, and bottom end cover 2 is threadedly coupled with housing 5, under
The first damping spring 3-1 and inverted T-shaped connecting rod 4 are provided with cylinder body, in the shape of a spiral, described first damps bullet to the first damping spring 3-1
Spring 3-1 lower end is connected with bottom end cover 2, and the first damping spring 3-1 upper end is connected with the crossbeam 4-1 of the bottom of connecting rod 4, connecting rod 4
Upper end stretched into through lower clapboard 14 in middle cylinder body, upper cylinder body top upper end cover 11 is blocked, and upper end cover 11 and the screw thread of housing 5 connect
Connect, the second damping spring 3-2 and guide rod 10 are provided with upper cylinder body, the second damping spring 3-2 in the shape of a spiral, wear by the upper end of guide rod 10
Cross upper end cover 11 to extend out to outside housing 5, the top of guide rod 10 and the bottom of bottom end cover 2 are provided with adpting flange 1, the lower end of guide rod 10
Stretched into through upper spacer 13 in middle cylinder body, the second damping spring 3-2 is sleeved on guide rod 10, the middle part of guide rod 10 is provided with baffle plate
15, the entirety that baffle plate 15 is constituted with guide rod 10 is in cross, and the second damping spring 3-2 lower ends are connected with upper spacer 13, the
Two damping spring 3-2 upper ends are connected with the lower end of baffle plate 15, are provided with the middle cylinder body on coil rack 8, coil rack 8 successively
Provided with excitation coil 6 and bias coil 7, the center of middle cylinder body is provided with magnetic control shape memory alloy rod 9, and magnetic control shape memory is closed
The upper end of golden rod 9 is connected with the lower end of guide rod 10, and the lower end of magnetic control shape memory alloy rod 9 is connected with the upper end of connecting rod 4, middle cylinder
Body sidewall is provided with wire guide 12.
The housing 5, upper end cover 11, bottom end cover 2, guide rod 10 and connecting rod 4 are made of non-permeable material.
Operation principle of the present utility model：
Adpting flange 1 and the generation relative motion of structure cooperation when damper two ends, push-and-pull guide rod 10 make and guide rod
There is provided damper for the axially opposed motion of 10 connected magnetic control shape memory alloy rods 9, connecting rod 5, the second damping spring 3-2
Power output, using electric wire derived from wire guide 12, can be powered to damper, and bias coil 7, excitation can be made under appropriate power supply
Coil 6 produces the magnetic field of radial direction, so as to control the state of magnetic control shape memory alloy rod 9.
When no power, the super-elasticity of magnetic control shape memory alloy rod 9, in the case of thin tail sheep, Magnetic Shape are utilized
Martensite redirection does not occur for memory alloy bar 9, and damper only provides rigidity to structure, and rigidity is by magnetic control shape memory rod 9
Connect and obtain with the first damping spring 3-1, the second damping spring 3-2；In the case of big displacement, magnetic control shape memory alloy rod
9 there occurs that martensite is redirected, and rigidity greatly reduces, hyperelastic hysteretic phenomenon takes place, passes through the first damping spring 3-
1st, the second damping spring 3-2 in-fightings provide damping energy dissipation；After vibration terminates, due to the super-elasticity of magnetic control shape memory alloy rod 9
Effect, can restPose, so that damper resets.
When a small amount of energy is powered, using under different a small amount of magnetic fields, the super-elasticity phase transformation of magnetic shape memory alloy rod 9 rises
The change of beginning stress, into the state of a control of half active.In structural vibration, the optimal yield force according to needed for calculating, energization changes
Become the phase transformation initial stress of magnetic control shape memory alloy rod 9, adjust the yield force size of damper, realize half active to structure
Control；After vibration terminates, due to the superelastic effect of magnetic control shape memory alloy rod 9, it can restPose, so that resistance
Buddhist nun's device resets.
When the enough energy is powered, using under enough magnetic field, the magnetic shape memory of magnetic control shape memory alloy rod 9 is imitated
Should, into the active control state of Self-resetting；During structural vibration, the power supply according to needed for being calculated control is powered and changes magnetic in real time
The state of shape memory alloy bar 9, tension and compression connecting rod 4, guide rod 10 are controlled, so as to export damping force by guide rod 10, is realized to structure
Active control；After vibration terminates, using the magnetic shape memory effect of magnetic control shape memory alloy rod 9, energization answers structure
Position.
Claims (5)
1. a kind of tension and compression type damper based on magnetic control shape memory alloy, it is characterised in that：Including housing, coil rack, magnetic
Control in shape memory alloy bar, bias coil, excitation coil, guide rod, adpting flange, the housing provided with two be parallel to each other
Enclosure interior is divided into the cylinder body of upper, middle and lower three, lower cylinder body bottom lower end by upper spacer and lower clapboard, upper spacer and lower clapboard
The first damping spring and inverted T-shaped connecting rod are provided with lid closure, lower cylinder body, lower end and the bottom end cover of first damping spring connect
Connect, the upper end of the first damping spring is connected with the crossbeam of connecting rod bottom, the upper end of connecting rod is stretched into middle cylinder body through lower clapboard, on
Blocked at the top of cylinder body with upper end cover, the second damping spring and guide rod are provided with upper cylinder body, the upper end of guide rod is stretched out through upper end cover
To outside housing, the lower end of guide rod is stretched into middle cylinder body through upper spacer, and second damping spring is sleeved on guide rod, in guide rod
Portion is provided with baffle plate, and the entirety that baffle plate is constituted with guide rod is in cross, and the second damping spring lower end is connected with upper spacer, and second
Damping spring upper end and the lower end of baffle plate are connected, and are provided with the middle cylinder body on coil rack, coil rack and are sequentially provided with excitation
Coil and bias coil, the center of middle cylinder body are provided with magnetic control shape memory alloy rod, the upper end of magnetic control shape memory alloy rod
It is connected with the lower end of guide rod, the lower end of magnetic control shape memory alloy rod and the upper end of connecting rod are connected, and middle cylinder side wall is provided with and led
String holes.
2. the tension and compression type damper according to claim 1 based on magnetic control shape memory alloy, it is characterised in that：It is described to lead
The top of bar and the bottom of bottom end cover are provided with adpting flange.
3. the tension and compression type damper according to claim 1 based on magnetic control shape memory alloy, it is characterised in that：On described
End cap, bottom end cover between housing with being threadedly coupled.
4. the tension and compression type damper according to claim 1 based on magnetic control shape memory alloy, it is characterised in that：Described
One damping spring, the second damping spring are in the shape of a spiral.
5. the tension and compression type damper according to claim 1 based on magnetic control shape memory alloy, it is characterised in that：The shell
Body, upper end cover, bottom end cover, guide rod and connecting rod are made of non-permeable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489434.3U CN206352344U (en) | 2016-12-30 | 2016-12-30 | tension and compression type damper based on magnetic control shape memory alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489434.3U CN206352344U (en) | 2016-12-30 | 2016-12-30 | tension and compression type damper based on magnetic control shape memory alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352344U true CN206352344U (en) | 2017-07-25 |
Family
ID=59349213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621489434.3U Expired - Fee Related CN206352344U (en) | 2016-12-30 | 2016-12-30 | tension and compression type damper based on magnetic control shape memory alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206352344U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196552A (en) * | 2017-07-26 | 2017-09-22 | 湖南科技学院 | A kind of super-magnetostrictive drive |
| CN108708472A (en) * | 2018-08-27 | 2018-10-26 | 西安建筑科技大学 | A kind of box SMA- piezoelectricity change friction composite damper |
| CN111305408A (en) * | 2020-02-28 | 2020-06-19 | 山东大学 | Multidimensional integrated semi-active magneto-rheological vibration damper |
| CN114411963A (en) * | 2022-03-10 | 2022-04-29 | 河北建筑工程学院 | Self-resetting energy consumption device and steel structure beam column connecting node |
-
2016
- 2016-12-30 CN CN201621489434.3U patent/CN206352344U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196552A (en) * | 2017-07-26 | 2017-09-22 | 湖南科技学院 | A kind of super-magnetostrictive drive |
| CN108708472A (en) * | 2018-08-27 | 2018-10-26 | 西安建筑科技大学 | A kind of box SMA- piezoelectricity change friction composite damper |
| CN108708472B (en) * | 2018-08-27 | 2024-05-03 | 西安建筑科技大学 | Box type SMA-piezoelectric variable friction composite damper |
| CN111305408A (en) * | 2020-02-28 | 2020-06-19 | 山东大学 | Multidimensional integrated semi-active magneto-rheological vibration damper |
| CN114411963A (en) * | 2022-03-10 | 2022-04-29 | 河北建筑工程学院 | Self-resetting energy consumption device and steel structure beam column connecting node |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20201230 |