CN110319149A - Electromagnetic type Transverse Vibration for Ship Propulsion Shafting active control device - Google Patents
Electromagnetic type Transverse Vibration for Ship Propulsion Shafting active control device Download PDFInfo
- Publication number
- CN110319149A CN110319149A CN201910537502.0A CN201910537502A CN110319149A CN 110319149 A CN110319149 A CN 110319149A CN 201910537502 A CN201910537502 A CN 201910537502A CN 110319149 A CN110319149 A CN 110319149A
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- China
- Prior art keywords
- shafting
- iron core
- oscillation crosswise
- control device
- electromagnetic type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/18—Suppression of vibrations in rotating systems by making use of members moving with the system using electric, magnetic or electromagnetic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of electromagnetic type Transverse Vibration for Ship Propulsion Shafting active control device, comprising: two permanent magnets cover in shafting, and the pole N of one of permanent magnet is extremely opposite with the S of another permanent magnet；At least two are wound with the iron core of coil, and at least two iron core is in 90 degree between the radial distribution of shafting, adjacent two iron core between described two permanent magnets, and the one end of iron core far from shafting is connected to the becket around shafting by damping device；Magnetic interlayer is hindered, shafting is surrounded and separates adjacent iron core；Detection part, for detecting the oscillation crosswise of shafting；And controller, the shafting oscillation crosswise information for being detected according to detection part, the size of the coil current is controlled, the control to electromagnetic force is realized, to inhibit shafting vibration.Controller adjusts the frequency and size of coil current according to the acceleration and revolving speed of shafting, and by covering the permanent magnet in shafting, shaft applies reaction force, achievees the purpose that inhibit shafting vibration.
Description
Technical field
The invention belongs to Ship Vibrations and noise and vibration control field, and in particular to electromagnetic type Transverse Vibration for Ship Propulsion Shafting master
Dynamic control device.
Background technique
The shafting of ship is the capital equipment of power transmission, it effectively connects host and propeller, and is formed a set of
Complete dynamical system, the axial thrust that propeller generates can make ship normally travel.When shafting the transmitting of host power occurs not
Uniformly, when phenomena such as torque and installation are unable to centering, and material processing is inaccurate, shafting will be made to generate unbalanced state, out
Existing whirling vibration.In addition, propeller works in non-uniform flow field, the disturbance of ship tail portion can be caused, be total to ship
Vibration and local vibration.Serious whirling vibration may cause the bending stress of shafting excessive, and make its fracture, and harmful to human is raw
Life.Currently, mostly using following methods greatly to reduce the rotary vibration of shafting.
The processing technology for improving component reduces the quality uneven distribution of component, reduces unbalance mass, and causes ground uneven
The power that weighs or torque.Optimize device structure design, for example the vibration of slewing is often better than back and forth movement equipment.Optimize shafting fortune
Row section avoids resonating.
When dynamic excitation frequency is identical as the intrinsic frequency of shafting, shafting will generate resonance, and shafting can be due to when serious
It resonates and damage of failing.Therefore, it can avoid resonating by changing dynamic excitation frequency, if dynamic excitation frequency is fixed
Constant, then it can change consolidating for system by changing a certain parameter (as changed bearing support rigidity, Support Position) in shafting
There is frequency, avoid resonance zone, reaches the response of reduction system, control the purpose of vibration equipment.
When covibration is inevitable, system vibration response can be reduced.Such as axis stable operation revolving speed is greater than critical turn
When fast, in order to reduce the destruction that resonance generates as far as possible it is necessary to quickly cross resonance zone, shorten in the operating of resonance zone
Between, reduce system vibration response.Can also be by increasing system damping, the energy that consumption generates when resonating is realized and reduces amplitude,
The target that resonance influences is reduced, such as increases the damping etc. of vibration isolator when installation bearing support.
But these are all to improve technique or passive control, it is relatively fewer for shafting active damping controls research.Cause
This, attempting research shafting oscillation crosswise is a meaningful topic.
Summary of the invention
The present invention provides a kind of electromagnetic type Transverse Vibration for Ship Propulsion Shafting active control device, for inhibiting the transverse-vibration of shafting
It is dynamic.
One side according to an embodiment of the present invention provides a kind of electromagnetic type shafting oscillation crosswise active control device, comprising:
Two permanent magnets, cover in shafting, and the pole N of one of permanent magnet is extremely opposite with the S of another permanent magnet；
At least two are wound with the iron core of coil, and at least two iron core is between described two permanent magnets, and edge
The radial distribution of shafting is in 90 degree between adjacent two iron core, and the one end of iron core far from shafting is connected to circular by damping device
The becket of shafting；
Magnetic interlayer is hindered, shafting is surrounded and separates adjacent iron core；
Detection part, for detecting the oscillation crosswise of shafting；And
Controller, the shafting oscillation crosswise information for being detected according to detection part, controls the big of the coil current
It is small, to inhibit shafting vibration.
Optionally, there are four the iron core tools.
Optionally, the damping device includes:
Connecting rod, in the cavity of the becket, the circumferential section vertical interlaced of the cavity and becket, the connecting rod
One end stretch out from the opening of the cavity proximal end and connect with the iron core, the other end of the connecting rod is with boss, the chamber
The opening of body distal end is equipped with locking member；And
It covers on the connecting rod and separation is in the first spring and second spring of the boss two sides, wherein described first
Two ends of spring are contacted with the boss and the locking member respectively, two ends of the second spring respectively with institute
State the appearance face contact of boss and the becket circumferential section.
Optionally, the permanent magnet is the Nd-Fe-B rare earth permanent magnetic material marked as N45.
Optionally, the resistance magnetic interlayer is the shielding material marked as GW-TIC.
Optionally, the iron core is cold rolling non-orientation silicon steel piece.
In the present invention, unidirectional coil passes to the electric current of the same direction to increase the power output in this direction, angle
Coil for 90 degree is to provide the resultant force in any one direction in a shafting sagittal plane.It is surveyed by acceleration transducer
Measurement shafting oscillation crosswise, speed probe measures shafting revolving speed, and measuring signal is fed back to controller, and controller passes through
Acceleration and revolving speed are analyzed, the frequency and size of electric current are adjusted, by covering the permanent magnet in shafting, shaft applies reaction
Power achievees the purpose that inhibit shafting vibration.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 shows the structure of electromagnetic type shafting oscillation crosswise active control device according to an embodiment of the invention
Schematic diagram.
Fig. 2 shows the main views of electromagnetic type shafting oscillation crosswise active control device shown in FIG. 1.
Fig. 3 shows local part cross-sectional view shown in Fig. 2.
After Fig. 4 shows the hiding preposition permanent magnet of electromagnetic type shafting oscillation crosswise active control device shown in FIG. 1
Schematic diagram of internal structure.
Specific embodiment
With reference to Fig. 1~3, electromagnetic type shafting oscillation crosswise active control device includes multiple iron cores 2, a pair of of permanent magnet 4, branch
Frame 8, resistance magnetic interlayer 10, becket 16 etc..Two 4 sets of permanent magnet in shafting 9, the pole N of one of permanent magnet and another
The S of permanent magnet is extremely opposite.Cold rolling non-orientation silicon steel piece, trade mark DW470-50 can be used in iron core 2.Iron core 2 is located at two permanent magnetism
Between body 4, and it is wound with coil 3, by the size of 3 electric current of control coil, realizes the control to electromagnetic force, inhibits shafting 9 horizontal
To vibration.
In a kind of possible embodiment, there are two the tools of iron core 2, and along the radial distribution of shafting 9, and this two iron core 2
Between be in 90 degree.2 orthogonal electromagnetic forces can be thus generated, and then the control force of any direction can be synthesized.In order to
Increase electromagnetic force, there are four iron core 2 can have, and is in 90 degree between the radial distribution of shafting 9, adjacent two iron core 2.Same straight line
On coil 3 pass to the alternating current of the same direction, and then generate unidirectional electromagnetic force, increase power output.
Between iron core 2 be equipped with resistance magnetic interlayer 10, resistance magnetic interlayer 10 round shafting 9 and by the coil 3 on adjacent iron cores 2 every
It opens, reducing mutual magnetic field influences.Resistance magnetic interlayer 10 is fixed on the becket 16 around shafting 9 by the nut 6 of bolt 5
On, becket 16 is fixed on bracket 8 by nut 7.The shielding material that name is GW-TIC can be used in resistance magnetic interlayer.
Iron core 2 is connected on becket 16 by damping device.Damping device can reduce the reaction force of electromagnetic force to solid
The influence of fixed rack 8 reduces bracket 8 and vibrates.The damping device includes connecting rod 17, the first spring 18 and second spring 19.Even
Bar 17 is located in the cavity of becket 16, the circumferential section vertical interlaced of the cavity and becket 16.One end of connecting rod 17 is from chamber
The opening stretching of body proximal end (close to one end of iron core 2) is connect with iron core 2, and the other end of connecting rod 17 has boss 20, and cavity is remote
The opening at end (one end far from iron core 2) is equipped with locking member 1, which can be nut.
First spring 18 and 19 sets of second spring are lived apart on connecting rod 17 in 20 two sides of boss.Wherein, the first spring 18
Two ends contact 1 with boss 20 and locking member respectively, two ends of second spring 19 respectively with boss 20 and metal
The appearance face contact of 16 circumferential section of ring.
Electromagnetic type shafting oscillation crosswise active control device includes detection part, controller etc., and detection part is for detecting
The oscillation crosswise of shafting；Controller is used for the shafting oscillation crosswise information detected according to detection part, 3 electric current of control coil
Size realizes the control to electromagnetic force, to inhibit 9 oscillation crosswise of shafting.
Detection part includes the acceleration transducer and tachometer being installed in shafting 9.Acceleration transducer detects shafting 9
Oscillation crosswise variation, detection signal are transferred to controller, controller is defeated after the processing of conditioning amplifier and low-pass filter
It controls electric signal accordingly out, driving device is made to export 0~10A electric current to coil, realize the control to electromagnetic force.Tachometer inspection
The revolving speed of shafting 9 is surveyed, controller adjusts power frequency according to tach signal.
Due to the problems such as phase difference variation, adjusting output electric current by controller caused by postponing during measurement and control
Phase, when holding shaft ties up to peak acceleration as far as possible, the control force of output is maximum, reaches the mesh for inhibiting shafting vibration
's.
Claims (6)
1. a kind of electromagnetic type shafting oscillation crosswise active control device characterized by comprising
Two permanent magnets, cover in shafting, and the pole N of one of permanent magnet is extremely opposite with the S of another permanent magnet；
At least two are wound with the iron core of coil, and at least two iron core is between described two permanent magnets, and along shafting
Radial distribution, be in 90 degree between adjacent two iron core, the one end of iron core far from shafting is connected to circular shafting by damping device
Becket；
Magnetic interlayer is hindered, shafting is surrounded and separates adjacent iron core；
Detection part, for detecting the oscillation crosswise of shafting；And
Controller, the shafting oscillation crosswise information for being detected according to detection part, control the coil current size and
Frequency, to inhibit shafting vibration.
2. electromagnetic type shafting oscillation crosswise active control device according to claim 1, which is characterized in that the iron core tool
There are four.
3. electromagnetic type shafting oscillation crosswise active control device according to claim 1 or 2, which is characterized in that described to subtract
Shaking device includes:
Connecting rod, in the cavity of the becket, the circumferential section vertical interlaced of the cavity and becket, the one of the connecting rod
End is stretched out from the opening of the cavity proximal end to be connect with the iron core, and the other end of the connecting rod has boss, and the cavity is remote
The opening at end is equipped with locking member；And
It covers on the connecting rod and separation is in the first spring and second spring of the boss two sides, wherein first spring
Two ends contacted respectively with the boss and the locking member, two ends of the second spring respectively with it is described convex
The appearance face contact of platform and the becket circumferential section.
4. electromagnetic type shafting oscillation crosswise active control device according to claim 1, which is characterized in that the permanent magnet
For the Nd-Fe-B rare earth permanent magnetic material marked as N45.
5. electromagnetic type shafting oscillation crosswise active control device according to claim 1, which is characterized in that the resistance magnetic every
Layer is the shielding material marked as GW-TIC.
6. electromagnetic type shafting oscillation crosswise active control device according to claim 1, which is characterized in that the iron core is
Cold rolling non-orientation silicon steel piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537502.0A CN110319149B (en) | 2019-06-20 | 2019-06-20 | Electromagnetic type ship shafting transverse vibration active control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537502.0A CN110319149B (en) | 2019-06-20 | 2019-06-20 | Electromagnetic type ship shafting transverse vibration active control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110319149A true CN110319149A (en) | 2019-10-11 |
| CN110319149B CN110319149B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910537502.0A Active CN110319149B (en) | 2019-06-20 | 2019-06-20 | Electromagnetic type ship shafting transverse vibration active control device |
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| CN (1) | CN110319149B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348166A (en) * | 2020-03-16 | 2020-06-30 | 涡阳县信隆船舶附件有限公司 | Steady damping device for ship shaft |
| CN112682462A (en) * | 2020-11-24 | 2021-04-20 | 江苏科技大学 | Hydraulic polar region ship shafting rotary vibration semi-active control device |
| CN112943850A (en) * | 2021-03-10 | 2021-06-11 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Spare part anti-vibration inefficacy device and car |
| CN114962538A (en) * | 2022-06-22 | 2022-08-30 | 招商局金陵船舶(江苏)有限公司 | Shaft system vibration damping structure and vibration damping method for roll-on-roll-off ship |
| CN116002032A (en) * | 2023-03-23 | 2023-04-25 | 杭州未名信科科技有限公司 | Shock-resistant shipborne transmission system with anti-corrosion control equipment and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406642A (en) * | 1981-04-13 | 1983-09-27 | Dresser Industries, Inc. | Shaft dampening apparatus |
| CN201621227U (en) * | 2009-12-30 | 2010-11-03 | 中国船舶重工集团公司第七一一研究所 | Torsional vibration damper capable of switching between active control and non active control |
| CN102072276A (en) * | 2010-12-30 | 2011-05-25 | 上海交通大学 | Electromagnetic active control device for longitudinal vibration of marine shafting |
| JP2011174551A (en) * | 2010-02-25 | 2011-09-08 | Mitsuboshi Belting Ltd | Pulley structure |
| CN108488251A (en) * | 2018-03-28 | 2018-09-04 | 江苏海事职业技术学院 | Intelligent vibration damping shaft coupling suitable for marine shafting |
| CN208153612U (en) * | 2018-03-28 | 2018-11-27 | 江苏海事职业技术学院 | Marine shafting intelligent vibration damping device |
-
2019
- 2019-06-20 CN CN201910537502.0A patent/CN110319149B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406642A (en) * | 1981-04-13 | 1983-09-27 | Dresser Industries, Inc. | Shaft dampening apparatus |
| CN201621227U (en) * | 2009-12-30 | 2010-11-03 | 中国船舶重工集团公司第七一一研究所 | Torsional vibration damper capable of switching between active control and non active control |
| JP2011174551A (en) * | 2010-02-25 | 2011-09-08 | Mitsuboshi Belting Ltd | Pulley structure |
| CN102072276A (en) * | 2010-12-30 | 2011-05-25 | 上海交通大学 | Electromagnetic active control device for longitudinal vibration of marine shafting |
| CN108488251A (en) * | 2018-03-28 | 2018-09-04 | 江苏海事职业技术学院 | Intelligent vibration damping shaft coupling suitable for marine shafting |
| CN208153612U (en) * | 2018-03-28 | 2018-11-27 | 江苏海事职业技术学院 | Marine shafting intelligent vibration damping device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348166A (en) * | 2020-03-16 | 2020-06-30 | 涡阳县信隆船舶附件有限公司 | Steady damping device for ship shaft |
| CN112682462A (en) * | 2020-11-24 | 2021-04-20 | 江苏科技大学 | Hydraulic polar region ship shafting rotary vibration semi-active control device |
| CN112682462B (en) * | 2020-11-24 | 2024-08-09 | 江苏科技大学 | Hydraulic polar region ship shafting rotary vibration semi-active control device |
| CN112943850A (en) * | 2021-03-10 | 2021-06-11 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Spare part anti-vibration inefficacy device and car |
| CN114962538A (en) * | 2022-06-22 | 2022-08-30 | 招商局金陵船舶(江苏)有限公司 | Shaft system vibration damping structure and vibration damping method for roll-on-roll-off ship |
| CN116002032A (en) * | 2023-03-23 | 2023-04-25 | 杭州未名信科科技有限公司 | Shock-resistant shipborne transmission system with anti-corrosion control equipment and method |
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| Publication number | Publication date |
|---|---|
| CN110319149B (en) | 2021-04-02 |
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