CN107401112A - A kind of electromagnetic rotating inertia mass damper - Google Patents
A kind of electromagnetic rotating inertia mass damper Download PDFInfo
- Publication number
- CN107401112A CN107401112A CN201710799922.7A CN201710799922A CN107401112A CN 107401112 A CN107401112 A CN 107401112A CN 201710799922 A CN201710799922 A CN 201710799922A CN 107401112 A CN107401112 A CN 107401112A
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- Prior art keywords
- inertia mass
- ball screw
- generator
- tail pipe
- mass damper
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- 230000003321 amplification Effects 0.000 claims abstract description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 30
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000013475 authorization Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of electromagnetic rotating inertia mass damper, including guide rod, ball screw, ball nut, planet gear speeder, tail pipe, generator, battery and foot piece, guide rod is connected by slide bar with the ball nut on ball screw, guide rod and slide bar are parallel to ball screw, the input axis connection that ball screw passes through planet gear speeder and generator, tail pipe is arranged on the rear end face of inertia mass amplification case, generator is arranged in tail pipe, foot piece is arranged on the rear end of tail pipe, and described generator output end is connected with battery and variable resistor respectively.The present invention uses enclosed construction, can effectively prevent the damage to the present invention such as sand and dust rainwater under adverse weather condition, and the reliability of the present invention is effectively ensured；Simple in construction, good damping result of the invention；Invention increases rotor machine, the mechanical energy in the external world can be converted into electric energy, and is stored, if be used for semi- active control, is supplied without external electric energy.
Description
Technical field
The invention belongs to civil engineering vibration absorber technical field, is specifically related to a kind of electromagnetic type inertia mass damping
Device.
Background technology
Civil engineering structure under the external drives such as high wind, earthquake, easily produce significantly vibrate, influence structure safety and
Comfortableness, in order to mitigate or suppress response of the structure caused by dynamic load, domestic and foreign scholars research so far simultaneously develops
Numerous structural vibration control technologies.Inertia damper wherein based on power consumption energy-obsorbing and damping is applied, in order to increase inertia matter
Mitigation effect of the damper to engineering structure is measured, numerous researchers have carried out in terms of inertia mass damper adjusts damping to grind
Study carefully.On the one hand research is from the outside resistance trimming for providing electric energy, changes inertia mass damper by the electric current for adjusting damper
Damping ratio, rigidity and damping continuously adjustabe are realized, carry out the control of vertical and oscillation crosswise.On the other hand research is without outside
The resistance trimming of electric energy, by converting mechanical energy into electric energy, remake to use semi- active control is formed on damper, such cost is relatively low
And outside need not energize, it is practical.Patent authorization number is CN105221622A, entitled " the variable equivalent inertia matter of rotation
The invention of amount damper ", the translation at damper both ends is converted into the high-speed rotation of power transmission shaft, obtains larger inertia mass, is led to
The coefficient of viscosity of MR liquid in flux control damper is overregulated, changes the energy dissipation capacity of MR liquid, reaches the effect of vibration damping.It is such a
The problem of damper has a vibration damping and energy regenerating dual-use function, but MR liquid easy consumption and oil leak, and sealing is a sternness,
In addition after permanent work, the damping force of MR liquid has declined；Patent authorization number is CN1421581, and entitled " generator consumes energy
The invention of tunable mass damper ", it is to belong to tuned mass damper category.He by increase or decrease the quantity of spring with
The frequency of tuned mass damper is adjusted, driving electric machine generates electricity by the way of mechanical snap, utilizes the adjustable of adjustable resistance
Property regulation tuned mass damper damping ratio to be optimal control effect, but and number of springs it is on the high side, influence the steady of system
Qualitative, practicality is poor；Patent authorization number is CN102493572A, a kind of entitled " adjustable damping energy-storage type tuning quality resistance
Buddhist nun's device ", belong to tuned mass damper category.Absorbing main structure vibrational energy in damper causes the reciprocating motion of quality
Cheng Zhong, permanent magnet produce the magnetic field of change, and induced electromotive force is produced in coil and forms the motion that electromagnetic damping suppresses permanent magnet,
By adjusting the adjustable resistance in damping adjustment device, so as to change the size of electromagnetic damping, but straight reciprocating motion efficiency
Relatively low, regulatable damping force is smaller, is unfavorable for large scale structure.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention proposes that one kind can be converted into using mechanical energy caused by structural vibration
Electric energy, while electrical damping power is produced using generator counter electromotive force, realize collection of energy and the adjustable dual-use function electricity of damping force
Magnetic rotation inertia mass damper, the damper have the characteristics of generating efficiency is high, simple in construction, vibration damping control performance is good.
The technical solution adopted by the present invention is:A kind of electromagnetic rotating inertia mass damper, including guide rod, ball spiral shell
Bar, ball nut, planet gear speeder, tail pipe, generator, battery and foot piece, described guide rod pass through slide bar and ball spiral shell
Ball nut connection on bar, guide rod and slide bar parallel to ball screw, described ball screw by planet gear speeder with
The input axis connection of generator, planet gear speeder are arranged in inertia mass amplification case, and described tail pipe is arranged on inertia mass
On the rear end face for amplifying case, generator is arranged in tail pipe, and foot piece is arranged on the rear end of tail pipe, described generator output end
Rectifier input is connected, rectifier output end is connected with battery and variable resistor respectively.
In above-mentioned electromagnetic rotating inertia mass damper, described ball screw is placed in placket, and placket is arranged on used
On the front end face of property amount amplification case.
In above-mentioned electromagnetic rotating inertia mass damper, described tail pipe is made of stainless steel.
In above-mentioned electromagnetic rotating inertia mass damper, described generator is using rotary permanent-magnet formula generator.
In above-mentioned electromagnetic rotating inertia mass damper, the rear end of described ball screw is provided with anti-foreign matter core circle,
The port of ball nut is equipped with self-lubricating device.
In above-mentioned electromagnetic rotating inertia mass damper, described planet gear speeder input shaft is provided with flywheel, flywheel
In inertia mass amplification case.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Simple in construction, good damping result of the invention；The present invention uses enclosed construction, can effectively prevent in severe gas
The damage to the present invention such as sand and dust rainwater under the conditions of time, the reliability of the present invention is effectively ensured.
（2）Present invention utilizes straight line converting whirler structure ball screw, is changed into low frequency straight-line oscillation and rotates at a high speed
Motion, improves the efficiency that vibration mechanical energy is converted into electric energy.
（3）The rotor machine of present invention increase mechanical energy electric energy conversion, can be converted into electric energy by mechanical vibrational energy, have
Beneficial to the power supply for providing extra power or vibration absorber, reliability of the invention is improved.
（4）The present invention can adjust electromagnetic damping size using variable resistor, by regulation resistance size, to provide damping
The size of power.
（5）The present invention is integrated with planet gear speeder and flywheel using inertia mass amplification case, passes through the increasing of planet gear speeder
Fast performance, substantially increase the equivalent inertia mass of inertia mass damper.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the straight line converting whirler structure of the present invention.In figure：Guide rod 1, placket 2, ball screw
3, slide bar 4, self-lubricating device 5, ball nut 6, ball bearing 7, anti-foreign matter core circle 8, planet gear speeder 9, flywheel 10, inertia matter
Amount amplification case 11, shaft coupling 12, generator 13, tail pipe 14, foot piece 15, rectifier 16, battery 17, variable resistor 18.
Fig. 3 is power-displacement lagging curve map obtained by when the present invention is tested as MTS materials servo testing machine.
Fig. 4 is the output voltage obtained by when the present invention is tested as MTS materials servo testing machine.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, 2, the present invention includes straight line converting whirler structure and battery 17, the conversion rotation of described straight line
Mechanism include guide rod 1, placket 2, ball screw 3, ball nut 6, inertia mass amplification case 11, tail pipe 14, generator 13 and
Foot piece 15, placket 2 are arranged on the front end face of inertia mass amplification case 11, and tail pipe 14 is made of stainless steel, and tail pipe 14 is installed
On the rear end face of inertia mass amplification case 11.Planet gear speeder 9 is installed with described inertia mass amplification case 11.Institute
The ball screw 3 stated is located in placket 2, the rear end of ball screw 3 and the input axis connection of planet gear speeder 9, planet gear speeder 9
Input shaft be provided with flywheel 10, flywheel 10 is located in inertia mass amplification case 11.The rear end of ball screw 3 is provided with anti-foreign matter core
Circle 8, it can effectively prevent external foreign matter from entering inside ball screw 3.The port of ball nut 6 is equipped with self-lubricating device, eliminates numerous
Trivial intermittent oiling work, improves service efficiency.Ball nut 6 is arranged on ball screw 3.Described guide rod 1 passes through
Slide bar 4 is connected with ball nut 6, and guide rod 1 and slide bar 4 are parallel with ball screw 3 respectively.Described generator 13 using
Rotary permanent-magnet formula generator, generator 13 are arranged in tail pipe 14, and the output shaft of the input shaft of generator 13 and planet gear speeder 9 leads to
Cross shaft coupling 12 to connect, foot piece 15 is arranged on the rear end of tail pipe 14.The input of the described output end of generator 13 Yu rectifier 16
Terminal is connected, and the lead-out terminal of rectifier 16 is connected with battery 17 and variable resistor 18 respectively.
The present invention can be used for the pulling cable damping of the Loads of Long-span Bridges such as cable-stayed bridge, or for structures such as ocean platform and skyscrapers
Vibration control.Such as it is installed on the drag-line of cable-stayed bridge, on the one hand, will can be connect caused by wind, rain load and vehicular load
Rope vibration mechanical energy is converted into electric energy, when rod end under tension or pressure, drives ball screw to carry out linear stretch motion, passes through
Ball-screw is rotary motion linear stretch conversion of motion, then drives change gear box to make electromagnetic rotating generator occur to turn
It is dynamic, produce electric energy.On the other hand, induced electromotive force is produced by generator 13, forms the motion that electromagnetic damping suppresses permanent magnet, together
When the present invention variable resistor 18, the size of electromagnetic damping can be changed, the damping force of structure is adjusted and is allowed to reach
To Optimal damping ratio, reach the effect for suppressing vibration.So as to realize that damping force is adjustable dual with collection of energy recycling
Function.
As shown in figure 3, the resistance sizes by changing R（R=0,4,10, ∞）When obtained experimental data make damping force-
Displacement lagging curve map, it can be seen that by adjusting variable resistor, can substantially change the damping force of damper.
As shown in figure 4, the output voltage figure that one group of experimental data makes, the present invention is obtaining the damping force needed for power consumption
When, it can effectively carry out collection of energy.
Claims (7)
1. a kind of electromagnetic rotating inertia mass damper, it is characterized in that：Increase including guide rod, ball screw, ball nut, planet
Fast device, tail pipe, generator, battery and foot piece, described guide rod are connected by slide bar with the ball nut on ball screw,
Guide rod and slide bar parallel to ball screw, described ball screw by the input axis connection of planet gear speeder and generator,
Planet gear speeder is arranged in inertia mass amplification case, and described tail pipe is arranged on the rear end face of inertia mass amplification case, hair
Motor is arranged in tail pipe, and foot piece is arranged on the rear end of tail pipe, and described generator output end connection rectifier input is sub,
Rectifier output end is connected with battery and variable resistor respectively.
2. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：Before described ball screw is placed in
In cylinder, placket is arranged on the front end face of planet gear speeder.
3. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：Described tail pipe uses stainless steel
It is made.
4. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：Described generator using
Rotary permanent-magnet formula generator.
5. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：The rear end of described ball screw
Place is provided with anti-foreign matter core circle, and the port of ball nut is equipped with self-lubricating device.
6. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：Planet gear speeder is positioned over flywheel
Between ball-screw.
7. electromagnetic rotating inertia mass damper according to claim 1, it is characterized in that：Described planet gear speeder input
Axle is provided with flywheel, and flywheel is located in inertia mass amplification case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710799922.7A CN107401112A (en) | 2017-09-07 | 2017-09-07 | A kind of electromagnetic rotating inertia mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710799922.7A CN107401112A (en) | 2017-09-07 | 2017-09-07 | A kind of electromagnetic rotating inertia mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107401112A true CN107401112A (en) | 2017-11-28 |
Family
ID=60397955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710799922.7A Pending CN107401112A (en) | 2017-09-07 | 2017-09-07 | A kind of electromagnetic rotating inertia mass damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN107401112A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061121A (en) * | 2018-01-08 | 2018-05-22 | 华中科技大学 | A kind of tuning inertia mass electromagnetic damper |
| CN108331188A (en) * | 2018-01-08 | 2018-07-27 | 华中科技大学 | A kind of electromagnet inertia mass damper |
| CN108343171A (en) * | 2018-05-07 | 2018-07-31 | 湖南科技大学 | Electromagnetic resonance is used to matter damper |
| CN108591396A (en) * | 2018-05-17 | 2018-09-28 | 东北大学 | It is a kind of that container is used to based on the variable used matter for becoming born of the same parents' principle |
| CN109853764A (en) * | 2019-01-30 | 2019-06-07 | 同济大学 | It is used to hold damper using the self-balancing type of reciprocating screw rod |
| CN109972762A (en) * | 2019-04-30 | 2019-07-05 | 湖南科技大学 | A kind of used matter damper of tuner-type electromagnetism |
| CN111321820A (en) * | 2020-04-28 | 2020-06-23 | 湖南科技大学 | Eddy current inertial mass damper |
| WO2020155640A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛理工大学 | Rotation control system employing variable electromagnetic damping |
| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN113062486A (en) * | 2021-03-26 | 2021-07-02 | 华中科技大学 | Tuned viscous inertial mass damper with electromagnetic damping |
| CN116180583A (en) * | 2023-04-24 | 2023-05-30 | 湖南省潇振工程科技有限公司 | Ball screw type eddy current damping stay cable vibration damper |
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| JP2003343647A (en) * | 2002-05-29 | 2003-12-03 | Kayaba Ind Co Ltd | Electromagnetic buffer |
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| CN103075314A (en) * | 2013-01-16 | 2013-05-01 | 东北大学 | Vibration energy conversion device of vehicle suspension frame |
| CN105864342A (en) * | 2016-04-25 | 2016-08-17 | 山东交通学院 | Ball circuit type electromagnetic energy-feedback shock absorber |
| CN107022955A (en) * | 2017-02-27 | 2017-08-08 | 华北水利水电大学 | Apparent mass rotary electric magnetic damper vibration absorbing device for staying cables of bridge and design method |
| CN207176484U (en) * | 2017-09-07 | 2018-04-03 | 湖南科技大学 | A kind of electromagnetic rotating inertia mass damper |
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2017
- 2017-09-07 CN CN201710799922.7A patent/CN107401112A/en active Pending
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| JP2003343647A (en) * | 2002-05-29 | 2003-12-03 | Kayaba Ind Co Ltd | Electromagnetic buffer |
| CN1666031A (en) * | 2002-05-29 | 2005-09-07 | 萱场工业株式会社 | Electromagnetic buffer |
| US20090108510A1 (en) * | 2007-10-26 | 2009-04-30 | National Taiwan University | Screw type inerter mechanism |
| CN102644689A (en) * | 2011-02-22 | 2012-08-22 | 中国矿业大学 | Impeller-type energy feedback shock absorber |
| CN103075314A (en) * | 2013-01-16 | 2013-05-01 | 东北大学 | Vibration energy conversion device of vehicle suspension frame |
| CN105864342A (en) * | 2016-04-25 | 2016-08-17 | 山东交通学院 | Ball circuit type electromagnetic energy-feedback shock absorber |
| CN107022955A (en) * | 2017-02-27 | 2017-08-08 | 华北水利水电大学 | Apparent mass rotary electric magnetic damper vibration absorbing device for staying cables of bridge and design method |
| CN207176484U (en) * | 2017-09-07 | 2018-04-03 | 湖南科技大学 | A kind of electromagnetic rotating inertia mass damper |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061121A (en) * | 2018-01-08 | 2018-05-22 | 华中科技大学 | A kind of tuning inertia mass electromagnetic damper |
| CN108331188A (en) * | 2018-01-08 | 2018-07-27 | 华中科技大学 | A kind of electromagnet inertia mass damper |
| CN108343171A (en) * | 2018-05-07 | 2018-07-31 | 湖南科技大学 | Electromagnetic resonance is used to matter damper |
| CN108343171B (en) * | 2018-05-07 | 2022-05-10 | 湖南科技大学 | Electromagnetic resonance type inertia damper |
| CN108591396B (en) * | 2018-05-17 | 2019-11-08 | 东北大学 | It is a kind of that container is used to based on the variable used matter for becoming born of the same parents' principle |
| CN108591396A (en) * | 2018-05-17 | 2018-09-28 | 东北大学 | It is a kind of that container is used to based on the variable used matter for becoming born of the same parents' principle |
| CN109853764A (en) * | 2019-01-30 | 2019-06-07 | 同济大学 | It is used to hold damper using the self-balancing type of reciprocating screw rod |
| WO2020155640A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛理工大学 | Rotation control system employing variable electromagnetic damping |
| CN109972762A (en) * | 2019-04-30 | 2019-07-05 | 湖南科技大学 | A kind of used matter damper of tuner-type electromagnetism |
| CN111321820A (en) * | 2020-04-28 | 2020-06-23 | 湖南科技大学 | Eddy current inertial mass damper |
| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN113062486A (en) * | 2021-03-26 | 2021-07-02 | 华中科技大学 | Tuned viscous inertial mass damper with electromagnetic damping |
| CN113062486B (en) * | 2021-03-26 | 2022-08-02 | 华中科技大学 | Tuned viscous inertial mass damper with electromagnetic damping |
| CN116180583A (en) * | 2023-04-24 | 2023-05-30 | 湖南省潇振工程科技有限公司 | Ball screw type eddy current damping stay cable vibration damper |
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Application publication date: 20171128 |