CN201621227U - Torsional vibration damper capable of switching between active control and non active control - Google Patents
Torsional vibration damper capable of switching between active control and non active control Download PDFInfo
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- CN201621227U CN201621227U CN2009202867561U CN200920286756U CN201621227U CN 201621227 U CN201621227 U CN 201621227U CN 2009202867561 U CN2009202867561 U CN 2009202867561U CN 200920286756 U CN200920286756 U CN 200920286756U CN 201621227 U CN201621227 U CN 201621227U
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- vibration damper
- internal rotor
- rotating wheel
- active control
- torshional vibration
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Abstract
The utility model relates to a torsional vibration damper capable of switching between active and non active control, including an inner rotor, a rotating wheel of inertia, a magnetoelectric structure and a slide loop; the inner rotor is connected with one rotating shaft, the rotating wheel of inertia is sleeved to the outer circle of the inner rotor; the magnetoelectric structure is arranged between the inner rotor and the rotating wheel of inertia, and induces a magnetic field by a current guided by the slide loop. According to the action of different magnetic fields, the torsional vibration damper may be a rigidity-varying type damper or a driving type damper, when the magnetic field is disappeared due to non current, the torsional vibration damper is a general damper, such that the damper of the utility model may be operated in various modes.
Description
Technical field
The utility model belongs to mechanical driver unit vibration control field, relates in particular to a kind of torshional vibration damper that is operated under a plurality of patterns such as non-active or ACTIVE CONTROL.
Background technique
Phenomenon of torsional vibration is a ubiquitous problem in the rotating machinery device, it is that to do cyclic fluctuation caused because torque load is around its average, and moment of torsion and torsional oscillation thereof present the feature of complex periodic in the ordinary course of things, have promptly comprised a series of harmonic frequency composition.When the intrinsic torsional frequency of certain frequency content and structure reached unanimity in such dynamic load, mechanism may produce violent torsional resonance phenomenon, and this very easily causes the damage and the inefficacy of component.Even if do not have the torsional oscillation by a small margin of negative effect,, also will be the problem that can not be ignored if consider the adverse effect of machinery for surrounding enviroment radiation vibration and noise for the expection service life of equipment.
Aspect reducing and eliminating torsional oscillation, the most torshional vibration dampers that adopt the non-ACTIVE CONTROL of material or structural damping of traditional torshional vibration damper.The defective of this vibration damper is, the frequency of the torsional oscillation that modern rotating equipment is born and amplitude can change in very broad scope apace, and the relatively-stationary vibration damping equipment of system performance obviously can't satisfy and compares higher requirement under this characteristics.
In order to tackle the problems referred to above, the torshional vibration damper of various ACTIVE CONTROL formulas has appearred.However, the torshional vibration damper of non-ACTIVE CONTROL and ACTIVE CONTROL mode respectively has its suitable applications scope and occasion, therefore expects to have a kind of torshional vibration damper that can have non-ACTIVE CONTROL and active control function simultaneously.
The model utility content
Technical problem to be solved in the utility model provides the torshional vibration damper of a kind of changeable ACTIVE CONTROL and non-ACTIVE CONTROL.
The utility model is to solve the problems of the technologies described above the torshional vibration damper that the technological scheme that adopts is a kind of changeable ACTIVE CONTROL of proposition and non-ACTIVE CONTROL, comprises internal rotor, inertial rotating wheel, magnetoelectricity structure and slip ring; Internal rotor connects with a rotating shaft, and inertial rotating wheel is enclosed within the internal rotor outer ring, and the magnetoelectricity structure is arranged between internal rotor and the inertial rotating wheel, and the induction by current that is imported by slip ring goes out magnetic field.
In above-mentioned torsional oscillation sensor, also comprise elastic structure, inertial rotating wheel is connected with internal rotor.
In above-mentioned torsional oscillation sensor, described magnetoelectricity structure comprises coil winding and magnetic pole, and coil winding is on inertial rotating wheel, and magnetic pole is fixed on the internal rotor.
In above-mentioned torsional oscillation sensor, described torshional vibration damper is for becoming rigidity type vibration damper.
In above-mentioned torsional oscillation sensor, described torshional vibration damper is driving vibration damper.
The utility model is owing to adopt above technological scheme, make it compared with prior art, same torshional vibration damper both can be operated under the general mode, can be operated in again and become under rigidity pattern formula or the driving pattern, realize the switching of ACTIVE CONTROL and non-ACTIVE CONTROL mode, thereby effectively controlled the torsional vibration of mechanical driver unit in reliable, economic mode.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
Fig. 1 illustrates the utility model one embodiment's torshional vibration damper working principle schematic representation.
Fig. 2 (a)-2 (c) illustrates the various mode of operations of the utility model one embodiment's torshional vibration damper.
Fig. 3 illustrates the torshional vibration damper structure of the utility model one embodiment's change rigidity type.
Fig. 4 (a) and 4 (b) illustrate the utility model one embodiment's driving torshional vibration damper.
Fig. 5 (a) illustrates the apparatus structure schematic representation of the utility model one embodiment's torshional vibration damper.
Fig. 5 (b) illustrates the scheme of installation of torshional vibration damper of the present utility model on equipment.
Embodiment
Embodiment of the present utility model provides torshional vibration damper, can ACTIVE CONTROL, non-ACTIVE CONTROL or common form operation, thus improve reliability of products and using scope.
Specifically, in three kinds of typical modules of torshional vibration damper, first kind is traditional common torshional vibration damper pattern, be that electromagnetic structure in the torshional vibration damper is not worked, be to replace or part replaces elasticity and damping function parts in traditional common torshional vibration damper with electromagnetic structure with common torsional oscillation mechanical torsional vibration damper difference; Second kind is non-Active Control Mode, absorbs the energy of consumption shaft torsional with the magnetoelectric effect of similar generator; The third Active Control Mode is worked in modes such as similar electromagnetic exciter, motor, and in conjunction with novel active control technology, and is more intelligent and improve effectiveness in vibration suppression efficiently.
Fig. 1 illustrates the utility model one embodiment's torshional vibration damper working principle schematic representation.With reference to shown in Figure 1, the torshional vibration damper 10 of present embodiment comprises internal rotor 1, inertial rotating wheel 2, brush 3, slip ring 4, and is subjected to Current Control and is operated in the electromagnetic structure 5 of different mode.An internal rotor 1 and a rotating shaft 20 are rigidly connected and rotation synchronously.Inertial rotating wheel 2 is enclosed within outside the internal rotor 1, is connected with internal rotor 1 by elastic element or other element.Electromagnetic structure 5 comprises electromagnet and coil winding usually, and under the effect of the electric current of flowing through coil winding, electromagnet induces different magnetic field, impels electromagnetic structure 5 to produce different mode of operations, is listed below:
When not having electric current in the coil winding, electromagnetic structure is not worked, and it is equivalent to empty parts 5a, and the torsional oscillation sensor is in the common non-Active Control Mode.
When the electric current in the coil winding changed the pole strength that strengthens or weaken electromagnet, it was equivalent to electric power consumption assembly 5b, consumed the electric current that vibration produces, and strengthened the effectiveness in vibration suppression of vibration damper.At this moment, torshional vibration damper is for becoming rigidity pattern formula.
When the electric current in the coil winding changes field structure, outside active controller will be controlled electric current and be transported to electromagnetic structure 5 by brush 3, slip ring 4, and it is equivalent to ACTIVE CONTROL assembly 5c, produces better effectiveness in vibration suppression.At this moment, torshional vibration damper is driving pattern.
Fig. 2 (a) illustrates the normal mode of operation of torshional vibration damper.Shown in Fig. 2 (a), by the combination of structural dynamic characteristic, make inertial rotating wheel 2 produce inertia motion ω 2, produce the power that acts between inertial rotating wheel 2 and the internal rotor 1 by elasticity k and damping c, the torsional vibration ω 1 of internal rotor 1 is reduced.
Fig. 2 (b) illustrates the change rigidity mode of operation of torshional vibration damper.Shown in Fig. 2 (b), the coil that feeds electric current I changes the rigidity of vibration damper with the pole strength that strengthens or weaken magnet.Specifically, L is the special coil by the lead coiled, and this special coil is used for producing electric current I by ω 1 between inertial rotating wheel and internal rotor two articles, ω 2 vibration differences, and changes interaction force between two articles by electric current I, quite change elasticity k and damping c, suppress the vibration of internal rotor.The rigidity of vibration damper makes the internal rotor of relative vibration and inertial rotating wheel get back to middle home position, and the damping of elastic suspension slows down the speed of relative movement between internal rotor and inertial rotating wheel.In embodiment of the present utility model, the magnetic field structure that becomes rigidity type vibration damper internal rotor 1 and inertial rotating wheel 2 can repel each other or Fig. 2 (c) form that there is a natural attraction between the sexes as the same sex of Fig. 2 (b).The magnetic force that repels each other or inhale form magnetic field mutually can make internal rotor and inertial rotating wheel get back to the neutral position, and the size of current of passing through then changes the size of rigidity effect.That is to say that becoming rigidity type vibration damper allows a kind of coil winding that becomes the rigidity type, and arrange methods with two kinds of magnetic poles that there is a natural attraction between the sexes and the same sex is repelled each other.
Fig. 2 (c) illustrates the driving mode of operation of torshional vibration damper.Shown in Fig. 2 (c), in this pattern, the coil drive internal rotor 1 and the inertial rotating wheel 2 that feed electric current I are swung mutually around the center of running shaft.Specifically, the coil that is fixed on the inertial rotating wheel 2 is produced electric current I and is come drive coil to drive the motion that inertial rotating wheel 2 works reduce to vibrate by electric current I by ω 1, ω 2 vibration differences.The relative position that inertial rotating wheel 2 and internal rotor are 1 can increase supplementary structure to be supported.In embodiment of the present utility model, the magnetic field structure of driving vibration damper internal rotor and inertial rotating wheel can be as Fig. 2 (c) form that there is a natural attraction between the sexes or the same sex of Fig. 2 (b) centre is repelled each other.That is to say that driving vibration damper allows a kind of driving coil winding, and arrange methods with two kinds of magnetic poles that there is a natural attraction between the sexes and the same sex is repelled each other.
Fig. 3 illustrates the torshional vibration damper structure of the utility model one embodiment's change rigidity type.With reference to shown in Figure 3, the magnetoelectricity structure comprises coil winding 13 and magnetic pole 14, and coil winding 13 is on inertia rotors 2, and magnetic pole 14 is fixed on the internal rotor 1, and the two can produce the magnetic pole that repels each other.Coil winding can adopt the coil winding that becomes the rigidity type.The internal rotor that is in the rotating shaft that ω 1 rotates promotes with being in the magnetic pole that inertial rotating wheel that ω 2 rotates repels each other by the same sex separately, produces elasticity k and damping c.Coil is then finished magnetoelectricity or function solenoid.
Fig. 4 (a) and Fig. 4 (b) illustrate the utility model one embodiment's driving torshional vibration damper structure.Shown in Fig. 4 (a), the magnetoelectricity structure comprises coil winding 13 and magnetic pole 14, and magnetic pole 14 is looped around internal rotor 14 outer rings, and coil winding 13 is around the magnetic pole outer ring.Coil winding can adopt driving coil winding, shown in Fig. 4 (b).The one group of winding coil L that is on the inertial rotating wheel 2 that ω 2 rotates finishes the magnetoelectricity generating, or feeds electric current, drives on the inertial rotating wheel phase countershaft internal rotor and makes small angle oscillation, comes to reduce more efficiently torsional vibration.In preferred embodiment, driving torshional vibration damper can adopt as structures such as rubber elasticity pieces, keeps the relative best angle with rotating shaft of inertial rotating wheel.
Fig. 5 (a) illustrates the apparatus structure schematic representation of the utility model one embodiment's torshional vibration damper.Fig. 5 (b) illustrates the scheme of installation of torsional oscillation sensor on equipment.In Fig. 5 (b), 17 is conducting slip ring, and 18 is inertial rotating wheel band pin cap plate, and 19 is cover plate flying wheel fixing bolt, and 20 is the internal rotor cover plate bolt, and 21 is the internal rotor cover plate.In Fig. 5 (a), the structure of device belongs to driving.Vibration damper mainly comprises internal rotor 11, is enclosed within the inertial rotating wheel 12 outside the internal rotor 11, coil winding 13, magnetic pole 14, the elastic caoutchouc 15 between two parts.Wherein elastic caoutchouc 15 is located at internal rotor 11 outer rings, and magnetic pole 14 is arranged in the elastic caoutchouc outer ring, and coil winding 13 is arranged between magnetic pole 14 outer rings and the inertial rotating wheel 12.
One group of coil winding, 13 control flying wheels, 12 relative internal rotors 11 12 of internal rotor 11 and inertial rotating wheels are made small angle oscillation, reduce the torsional oscillation of rotating shaft by internal rotor 11.Peripheral control unit can pass through the electric current of brush 16, conducting slip ring 17 transmission control coil windings 13.This vibration damper is equivalent to conventional rubber shock absorber when not feeding electric current, has then strengthened effectiveness in vibration suppression behind the feeding control electric current, and the current waveform of feeding can be waveforms such as sine or pulse.
Thus, the utility model embodiment's torshional vibration damper both can be operated under the general mode, can be operated in again and become under rigidity pattern formula or the driving pattern, realize the switching of ACTIVE CONTROL and non-ACTIVE CONTROL mode, thereby effectively controlled the torsional vibration of mechanical driver unit in reliable, economic mode.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (6)
1. the torshional vibration damper of a changeable ACTIVE CONTROL and non-ACTIVE CONTROL is characterized in that comprising internal rotor, inertial rotating wheel, magnetoelectricity structure and slip ring; Internal rotor connects with a rotating shaft, and inertial rotating wheel is enclosed within the internal rotor outer ring; The magnetoelectricity structure is arranged between internal rotor and the inertial rotating wheel, and the induction by current that is imported by slip ring goes out magnetic field.
2. torshional vibration damper as claimed in claim 1 is characterized in that, also comprises elastic structure, and described inertial rotating wheel is connected with described internal rotor.
3. torshional vibration damper as claimed in claim 1 is characterized in that, described magnetoelectricity structure comprises coil winding and magnetic pole, and described coil winding is on described inertial rotating wheel, and described magnetic pole is fixed on the described internal rotor.
4. torshional vibration damper as claimed in claim 1 is characterized in that, described magnetoelectricity structure comprises coil winding and the magnetic pole of being located between described internal rotor and the described inertial rotating wheel, and described pole ring is around described internal rotor, and described coil winding is around described magnetic pole.
5. torshional vibration damper as claimed in claim 1 is characterized in that, described torshional vibration damper is for becoming rigidity type vibration damper.
6. torshional vibration damper as claimed in claim 1 is characterized in that, described torshional vibration damper is driving vibration damper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202867561U CN201621227U (en) | 2009-12-30 | 2009-12-30 | Torsional vibration damper capable of switching between active control and non active control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202867561U CN201621227U (en) | 2009-12-30 | 2009-12-30 | Torsional vibration damper capable of switching between active control and non active control |
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| CN201621227U true CN201621227U (en) | 2010-11-03 |
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| CN2009202867561U Expired - Fee Related CN201621227U (en) | 2009-12-30 | 2009-12-30 | Torsional vibration damper capable of switching between active control and non active control |
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| CN102537167A (en) * | 2011-12-31 | 2012-07-04 | 北京交通大学 | Magnetic liquid vibration-reduction device |
| CN103062375A (en) * | 2013-01-21 | 2013-04-24 | 北京理工大学 | Active control device for torsional vibration of gear pair |
| CN105179590A (en) * | 2015-09-14 | 2015-12-23 | 郑州宇通客车股份有限公司 | Torsion damper and vehicle |
| CN105649829A (en) * | 2016-03-22 | 2016-06-08 | 郑州航空工业管理学院 | Energy-saving device for preventing idling stop of two-stroke L9 engine |
| CN105649830A (en) * | 2016-03-22 | 2016-06-08 | 郑州航空工业管理学院 | Energy-saving device for preventing idling stop of six-stroke W12 engine |
| CN105736193A (en) * | 2016-03-22 | 2016-07-06 | 郑州航空工业管理学院 | Energy-saving device capable of preventing six-stroke H18 engine from idling stopping |
| CN105756815A (en) * | 2016-03-22 | 2016-07-13 | 郑州航空工业管理学院 | Energy saving device for preventing flameout of two-stroke W4 engine while idling |
| CN105781729A (en) * | 2016-03-22 | 2016-07-20 | 郑州航空工业管理学院 | Energy-saving device for preventing idling stalling of four-stroke H24 engine |
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| CN105822418A (en) * | 2016-03-22 | 2016-08-03 | 郑州航空工业管理学院 | Energy-saving device for preventing four-stroke VR8 engine from idling and flaming out |
| CN105822421A (en) * | 2016-03-22 | 2016-08-03 | 郑州航空工业管理学院 | Energy-saving device for preventing four-stroke inline four-cylinder engine from idling stop |
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| CN105840299A (en) * | 2016-03-22 | 2016-08-10 | 郑州航空工业管理学院 | Energy-saving device for preventing six-stroke VR6 engine from idling stop |
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2009
- 2009-12-30 CN CN2009202867561U patent/CN201621227U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102537167A (en) * | 2011-12-31 | 2012-07-04 | 北京交通大学 | Magnetic liquid vibration-reduction device |
| CN103062375A (en) * | 2013-01-21 | 2013-04-24 | 北京理工大学 | Active control device for torsional vibration of gear pair |
| CN105179590A (en) * | 2015-09-14 | 2015-12-23 | 郑州宇通客车股份有限公司 | Torsion damper and vehicle |
| CN105179590B (en) * | 2015-09-14 | 2019-04-05 | 郑州宇通客车股份有限公司 | A kind of torsional vibration damper and vehicle |
| CN105822419A (en) * | 2016-03-22 | 2016-08-03 | 郑州航空工业管理学院 | Energy-saving device for preventing four-stroke W12 engine from idling and flaming out |
| CN105822414A (en) * | 2016-03-22 | 2016-08-03 | 郑州航空工业管理学院 | Energy-saving device for preventing two-stroke L3 engine from idling and flaming out |
| CN105756815A (en) * | 2016-03-22 | 2016-07-13 | 郑州航空工业管理学院 | Energy saving device for preventing flameout of two-stroke W4 engine while idling |
| CN105781729A (en) * | 2016-03-22 | 2016-07-20 | 郑州航空工业管理学院 | Energy-saving device for preventing idling stalling of four-stroke H24 engine |
| CN105781814A (en) * | 2016-03-22 | 2016-07-20 | 郑州航空工业管理学院 | Energy saving device capable of preventing idling stop of two-stroke H2 engine |
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| CN105822411A (en) * | 2016-03-22 | 2016-08-03 | 郑州航空工业管理学院 | Energy-saving device for preventing two-stroke single-cylinder engine from idling and flaming out |
| CN105736193A (en) * | 2016-03-22 | 2016-07-06 | 郑州航空工业管理学院 | Energy-saving device capable of preventing six-stroke H18 engine from idling stopping |
| CN105840300A (en) * | 2016-03-22 | 2016-08-10 | 郑州航空工业管理学院 | Energy-saving device for preventing four-stroke H18 engine from idling stop |
| CN105840299A (en) * | 2016-03-22 | 2016-08-10 | 郑州航空工业管理学院 | Energy-saving device for preventing six-stroke VR6 engine from idling stop |
| CN105840298A (en) * | 2016-03-22 | 2016-08-10 | 郑州航空工业管理学院 | Energy-saving device for preventing two-stroke VR6 engine from idling stop |
| CN105840301A (en) * | 2016-03-22 | 2016-08-10 | 郑州航空工业管理学院 | Energy-saving device for preventing four-stroke V6 engine from idling stop |
| CN105649829A (en) * | 2016-03-22 | 2016-06-08 | 郑州航空工业管理学院 | Energy-saving device for preventing idling stop of two-stroke L9 engine |
| CN105822420B (en) * | 2016-03-22 | 2018-05-11 | 郑州航空工业管理学院 | A kind of energy saver for preventing four stroke H2 engine idling flameouts |
| WO2018011224A3 (en) * | 2016-07-13 | 2018-03-01 | Nuovo Pignone Tecnologie Srl | Apparatus and method for the management of an industrial plant comprising electrical machines interacting with energy converters |
| IT201600073261A1 (en) * | 2016-07-13 | 2018-01-13 | Nuovo Pignone Tecnologie Srl | Apparatus and method for the management of an industrial plant comprising electric machines interacting with energy converters |
| CN108167386A (en) * | 2017-12-26 | 2018-06-15 | 潍柴动力股份有限公司 | A kind of control method of vibration damper and vibration damper |
| CN108167386B (en) * | 2017-12-26 | 2019-07-05 | 潍柴动力股份有限公司 | A kind of control method of vibration damper and vibration damper |
| CN110319149A (en) * | 2019-06-20 | 2019-10-11 | 武汉理工大学 | Electromagnetic type Transverse Vibration for Ship Propulsion Shafting active control device |
| CN111266912A (en) * | 2020-03-31 | 2020-06-12 | 珠海格力智能装备有限公司 | Damping device and numerical control machine tool with same |
| CN111266912B (en) * | 2020-03-31 | 2021-05-28 | 珠海格力智能装备有限公司 | Damping device and numerical control machine tool with same |
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