CN107339001A - Gear type current vortex inertia damping device - Google Patents

Gear type current vortex inertia damping device Download PDF

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Publication number
CN107339001A
CN107339001A CN201710532870.7A CN201710532870A CN107339001A CN 107339001 A CN107339001 A CN 107339001A CN 201710532870 A CN201710532870 A CN 201710532870A CN 107339001 A CN107339001 A CN 107339001A
Authority
CN
China
Prior art keywords
current vortex
gear type
plate
gear
power consumption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710532870.7A
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Chinese (zh)
Inventor
张瑞甫
赵志鹏
蒋瑶
蒋一瑶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji University
Original Assignee
Tongji University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN201710532870.7A priority Critical patent/CN107339001A/en
Publication of CN107339001A publication Critical patent/CN107339001A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/023Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins

Abstract

A kind of a kind of gear type current vortex inertia damping device, there is provided gear type current vortex inertia damping device.Using existing current vortex power consumption unit dissipation energy, while increase quality efficiency improving mechanism, joint forms a kind of new inertia damping device.Including upper junction plate, lower connecting plate, it is characterized in that, current vortex power consumption unit, gear type inertance element are also devised with, the gear type inertance element is fixed in structure wall body by upper junction plate, lower connecting plate, and gear type inertance element is the single efficiency improving mechanism of current vortex power consumption.

Description

Gear type current vortex inertia damping device
Technical field
Civil engineering structure energy-dissipating and shock-absorbing technical field belonging to the present invention.
Background technology
Energy-eliminating shock-absorbing technology, it is that energy-eliminating shock-absorbing device is added in structure, additional vibration absorber and structure are held jointly in itself The effect such as earthquake and wind shake is carried on a shoulder pole, the power consumption by adding vibration absorber is acted on so as to reduce the dynamic response of structure in itself, is ensured The functional requirements such as the security of structure, comfortableness and normal usage.This area inertia damping device has matter as one kind The energy-consuming shock absorber of synergistic effect is measured, its inertance element is that showing for actual physics quality can be realized by various power transmission mechanism Increase is write, and the damper output for being proportional to equivalent mass is provided.The mechanism of existing quality synergy, mainly utilize ball spiral shell The radial motion of structure is converted to the vibrational energy of the rotary motion of high speed so as to effectively dissipative structure by bar and rotating nuts, But such damper machining accuracy is high.Existing inertia damping device and traditional damper, viscid power consumption unit are deposited In this cavity high pressure, the problems such as damping liquid leaks, and it is high to device sealing requirements.
In order to solve the above problems, technical solution of the present invention is given, use is existingCurrent vortex power consumption unitDissipated energy Amount, while increase quality efficiency improving mechanism, joint forms a kind of new inertia damping device.
The content of the invention
Present invention aims at provide a kind of gear type current vortex inertia damping device.
Technical solution of the present invention is characterized as:
A kind of gear type current vortex inertia damping device, including upper junction plate (1), lower connecting plate (2), it is characterised in that It is also devised withCurrent vortex power consumption unitGear type inertance element, it is describedGear type inertance elementPass through upper junction plate (1), lower company Fishplate bar (2) is fixed in structure wall body, and gear type inertance element isCurrent vortex power consumption is singleEfficiency improving mechanism.
The present invention compared with prior art, has advantages below and beneficial effect:
1. the present invention is made up of current vortex power consumption unit, gear type inertance element and installing and connecting apparatus, make full use of Two node quality synergy units of gear type inertance element absorb vibrational energy, pass through cordless height using current vortex unit Effect ground dissipation energy.
2. the gear type inertia damping device in the present invention can effectively shift the external energy of main structure input, significantly The energy dissipation capacity of ground increase current vortex power consumption unit.
3. present invention power consumption unit is a kind of non-contact damping without high pressure, non-tight, eddy-current damping, will not damp Liquid leaks, and is easily adjusted damping ratio, and maintenance cost is low, and by parallel with inertia damping unit, its energy efficiency is high.
4. gear type inertance element actual installation quality is small, energy-absorbing effect is obvious and difficulty of processing is low, can effectively drop The dynamic response of low structure, there is preferable application value.
5. apparatus of the present invention set convenient, flexible, can effectively absorb and the vibrational energy that dissipates, device gyrating mass is small, tool There is preferable application value.
Brief description of the drawings
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is Fig. 1 middle (center) bearing detail drawings;
Fig. 3 is that current vortex power consumption unit permanent magnet arranges detail drawing in Fig. 1.
Label in figure:1 lower connecting plate, 2 upper junction plates, 3 lower support plates, 4 upper support boards, 5 racks, 6 gears, 7 rotations Rotating shaft, 8 bearings, 9 gyrating masses, 10 permanent magnets, 11 outer sleeves, 12 balls.
Embodiment
It is described further with reference to the accompanying drawings and examples, but it is not as a limitation of the invention.
Embodiment 1
As Figure 1-3,
Relative to prior art, technical solution of the present invention mentality of designing:Device includes upper junction plate (1), lower connecting plate (2), it is characterised in that be also devised withCurrent vortex power consumption unitGear type inertance element, it is describedGear type inertance elementBy upper Connecting plate (1), lower connecting plate (2) are fixed in structure wall body, and gear type inertance element isCurrent vortex power consumption unitSynergy Mechanism.
Embodiment 2
Based on the thinking of embodiment 1, embodiment 2 is provided.
Further innovation, The present invention gives the concrete structure design of " gear type inertance element ".The gear type inertia Unit, including top tooth plate (4), lower support plate (3), gear (6), gyrating mass (9), rotary shaft (7) and bearing (8), knot Structure is:Top tooth plate (4), gear (6), lower support plate (3) three position are corresponding;Top tooth plate (4) top and institute It is fixed to state upper junction plate (2), its underpart edge is provided with rack (5) and is used to be engaged transmission with gear (6);Rotation is enclosed on outside gear (6) In rotating shaft (7), rotary shaft (7) is provided with gyrating mass (9) at both ends, and rotary shaft (7) sets bearing (8) again at the middle point, and Whole rotary shaft body is mounted on to the top of lower support plate (3) by the bearing (8), lower support plate (3) bottom is solid Due on lower connecting plate (1).
Embodiment 3
Based on embodiment 2, embodiment 3 is provided.
Further innovation, the present invention give design implementation for " combination ", i.e.,:It is describedGear type inertia list MemberIt is placed in inside current vortex power consumption unit.
Provided therefore, supportingCurrent vortex power consumption unitStructure design be
It is describedCurrent vortex consume energy unit, including front and rear two pieces of gyrating masses (9), front and rear two pieces of permanent magnets (10), in Between rotary shaft (7), the gyrating mass (9), permanent magnet (10) all be in bluff body (as embodiment, preferably in flat circle Body), and gyrating mass (9), permanent magnet (10), rotary shaft (7) three are in same level axis.Two pieces of front and rear permanent magnets (10) polarity is sequentially identical places (i.e. N-S-N-S, or S-N-S-N), and permanent magnet (10) produces changeless field region, Described magnetic field line is sent from side permanent magnet (10) extends perpendicularly through two pieces of gyrating masses (9) to another piece of permanent magnet (10); The gyrating mass (9) of flattened round is that can produce the metal material of current vortex, specifically metallic object, is done in the magnetic field of magnet Line of cut, or be wound in outside metallic object and formed to increase cutting effect by plain conductor.
Gyrating mass (9) can not only realize significant quality synergistic effect in gear type inertance element, function simultaneously asCurrent vortex power consumption unitConductor, be placed in magnetic field caused by permanent magnet (10), can be carried out when it rotates motion efficiently Ground cutting magnetic induction line moves and produces eddy-current damping power, further improves the power consumption of the current vortex power consumption unit of apparatus of the present invention Ability.
Further increase technical measures, the current vortex power consumption unit can also include outer sleeve (11), two pieces of permanent magnets (10) it is respectively fixedly disposed on the inside of outer sleeve (11) front and rear wall.
Based on said structure design, when structural vibration causes top tooth plate (4) to occur relatively relative to lower support plate (3) During horizontal displacement, then occur simultaneously as follows:
First, rack (5) will rotate with moving gear (6) around rotary shaft (7).Rotary shaft (7) rotational movement The gyrating mass (9) for being secured to connection rotates at a high speed, and rotary speed can be by setting gear (6) and top tooth plate (5) The number of teeth, gear (6) diameter adjust.
2nd, corresponding induced electricity can be produced when gyrating mass (9) rotates in permanent magnet (10), inside it Stream, and by electromagnetic damping power, according to the design requirement of damper, the magnetic of the middle permanent magnet (10) of current vortex power consumption unit, The size of gyrating mass can be adjusted flexibly in distance and gear type inertance element between gyrating mass (9).
Apparatus of the present invention can be arranged in structure wall by modes such as timbering with rafter arch sets, bridging, antidetonation walls.
Present invention additionally comprises installing and connecting apparatus, is made up of upper junction plate (1), lower connecting plate (2) and installation bolt, is Prior art generally in the art.
The present invention is made up of current vortex power consumption unit, gear type inertance element and installing and connecting apparatus, gear type inertia Unit has two node quality synergistic effects, effectively absorbing structure vibrational energy, current vortex can consume energy unit with non-contact The efficient dissipation energy of mode.The present invention, actual installation quality is small, no high pressure, non-tight, and gear type inertance element energy-absorbing effect is bright Aobvious and difficulty of processing is low, can be effectively reduced the dynamic response of structure, have preferable application value.

Claims (7)

1. a kind of gear type current vortex inertia damping device, including upper junction plate (1), lower connecting plate (2), it is characterised in that also It is designed withCurrent vortex power consumption unit, gear type inertance element, it is describedGear type inertance elementPass through upper junction plate (1), lower connection Plate (2) is fixed in structure wall body, and gear type inertance element isCurrent vortex power consumption is singleEfficiency improving mechanism.
2. gear type current vortex inertia damping device as claimed in claim 1, it is characterised in that the gear type inertia list Member, including top tooth plate (4), lower support plate (3), gear (6), gyrating mass (9), rotary shaft (7) and bearing (8), structure For:Top tooth plate (4), gear (6), lower support plate (3) three position are corresponding;At the top of the top tooth plate (4) with it is described Upper junction plate (2) is fixed, and its underpart edge is provided with rack (5) and is used to be engaged transmission with gear (6);Rotation is enclosed on outside gear (6) On axle (7), rotary shaft (7) is provided with gyrating mass (9) at both ends, and rotary shaft (7) sets bearing (8) again at the middle point, and leads to The top that whole rotary shaft body is mounted on lower support plate (3) by the bearing (8) is crossed, lower support plate (3) bottom is fixed In on lower connecting plate (1).
3. gear type current vortex inertia damping device as claimed in claim 1, it is characterised in that describedGear type inertance element It is placed in inside current vortex power consumption unit;
It is describedCurrent vortex consumes energy unit, including front and rear two pieces of gyrating masses (9), front and rear two pieces of permanent magnets (10), middle Rotary shaft (7), it is in bluff body that the gyrating mass (9), permanent magnet (10), which are all, and gyrating mass (9), permanent magnet (10), rotation Rotating shaft (7) three is in same level axis.Two pieces of front and rear permanent magnet (10) polarity sequentially it is identical place (i.e. N-S-N-S, or Person S-N-S-N), permanent magnet (10) produces changeless field region, and described magnetic field line is sent from side permanent magnet (10) Two pieces of gyrating masses (9) are extended perpendicularly through to another piece of permanent magnet (10).
4. gear type current vortex inertia damping device as claimed in claim 3, it is characterised in thatFlat gyrating mass (9) To produce the metal material of current vortex, specifically metallic object, line of cut is done in the magnetic field of magnet, or twined by plain conductor It is around in outside metallic object and forms to increase cutting effect.
5. gear type current vortex inertia damping device as claimed in claim 1, it is characterised in thatThe gyrating mass (9), forever It is in flattened round body that magnet (10), which is all,.
6. gear type current vortex inertia damping device as claimed in claim 1, it is characterised in that the current vortex power consumption unit Also include outer sleeve (11), two pieces of permanent magnets (10) are respectively fixedly disposed on the inside of outer sleeve (11) front and rear wall.
7. gear type current vortex inertia damping device as claimed in claim 1, it is characterised in that apparatus of the present invention pass through herringbone The modes such as shape support, bridging, antidetonation wall are arranged in structure wall.
CN201710532870.7A 2017-07-03 2017-07-03 Gear type current vortex inertia damping device Pending CN107339001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710532870.7A CN107339001A (en) 2017-07-03 2017-07-03 Gear type current vortex inertia damping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710532870.7A CN107339001A (en) 2017-07-03 2017-07-03 Gear type current vortex inertia damping device

Publications (1)

Publication Number Publication Date
CN107339001A true CN107339001A (en) 2017-11-10

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Family Applications (1)

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CN201710532870.7A Pending CN107339001A (en) 2017-07-03 2017-07-03 Gear type current vortex inertia damping device

Country Status (1)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916317A (en) * 2018-09-21 2018-11-30 大连理工大学 A kind of used container of the ratchet rack gear based on speed reducer
CN109296244A (en) * 2018-10-10 2019-02-01 同济大学 The pendulum-type that rubs is used to hold shock isolation system
CN109736467A (en) * 2019-02-28 2019-05-10 长安大学 A kind of bidirectional damper hinge device and damping method
CN109826480A (en) * 2019-02-28 2019-05-31 长安大学 The method of its progress structure passive vibration control of unidirectional damping hinge device and application
WO2020177045A1 (en) * 2019-03-04 2020-09-10 大连理工大学 Axial displacement amplification-type eddy current damper
CN111980193A (en) * 2020-09-04 2020-11-24 湖南大学 Speed amplification combined damping device and eddy current damping wall
WO2020232695A1 (en) * 2019-05-23 2020-11-26 大连理工大学 Transmission line vibration damping device employing eddy current damping technology

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916317A (en) * 2018-09-21 2018-11-30 大连理工大学 A kind of used container of the ratchet rack gear based on speed reducer
CN109296244A (en) * 2018-10-10 2019-02-01 同济大学 The pendulum-type that rubs is used to hold shock isolation system
CN109736467A (en) * 2019-02-28 2019-05-10 长安大学 A kind of bidirectional damper hinge device and damping method
CN109826480A (en) * 2019-02-28 2019-05-31 长安大学 The method of its progress structure passive vibration control of unidirectional damping hinge device and application
WO2020177045A1 (en) * 2019-03-04 2020-09-10 大连理工大学 Axial displacement amplification-type eddy current damper
WO2020232695A1 (en) * 2019-05-23 2020-11-26 大连理工大学 Transmission line vibration damping device employing eddy current damping technology
CN111980193A (en) * 2020-09-04 2020-11-24 湖南大学 Speed amplification combined damping device and eddy current damping wall

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