CN2395826Y - Non-sinusoidal vibration generator driven by machinery - Google Patents
Non-sinusoidal vibration generator driven by machinery Download PDFInfo
- Publication number
- CN2395826Y CN2395826Y CN 99212823 CN99212823U CN2395826Y CN 2395826 Y CN2395826 Y CN 2395826Y CN 99212823 CN99212823 CN 99212823 CN 99212823 U CN99212823 U CN 99212823U CN 2395826 Y CN2395826 Y CN 2395826Y
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- Prior art keywords
- crank
- vibration generating
- speed shaft
- shaft
- connecting rod
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Abstract
The utility model relates to the technical field for continuous casting, particularly a vibration generator of a crystallizer of a continuous caster. A vibration generating mechanism is a plane surface multi-bar mechanism which is composed of two cranks LM, KJ, two isometric connecting rods MN, JI, a cross beam NI, a connecting rod HE, and a swing rod GF. The crank LM is connected with a low speed shaft of a gear wheel machine base 5 through a shaft coupling 6. The crank KJ is connected with a high speed shaft through a shaft coupling 7. The rotation directions of two output shafts of the gear wheel machine base 5 are the same, and the two output shafts rotate counterclockwise. The rotation speed of the high speed shaft is twice as the rotation speed of the low speed shaft. When the utility model is arranged, the cranks LM and KJ are positioned on the same horizontal position, and ends M and J of the cranks are positioned at the outer side of a connecting line of revolving centers L and K of the two cranks.
Description
The utility model relates to the continuous casting steel machine technical field, specifically, relates to a kind of vibration generating arrangement of conticaster crystallizer.
The continuous cast mold non-sinusoidal oscillation be in recent years at first by external exploitation in order to improve casting speed, improve the new technology of slab quality.Its vibration is adopted electrohydraulic servo system to drive and is realized, this system is by Hydraulic Station, pumping station controlling system, servo valve control moving system, computer control system etc.Therefore, it is high that it has investment, strict to working environment, complicated operation, problem such as maintenance workload is big.
If adopt Mechanical Driven to realize the non-sinusoidal oscillation of crystallizer, can overcome existing above-mentioned deficiency when driving the non-sinusoidal oscillation that realizes crystallizer by electrohydraulic servo system.
Inventor of the present utility model disclosed " continuous cast mold zigzag vibration generating arrangement " (application number: 98211614.4) drive by non-circular gear and realize non-sinusoidal oscillation.This is a scheme of Mechanical Driven generation non-sinusoidal oscillation device.
The purpose of this utility model is to provide another kind of mechanically operated non sine vibration generating arrangement, this device have small investment, easy to operate, to advantage such as working environment is less demanding.
This Mechanical Driven non sine vibration generating arrangement, comprise motor 1, shaft coupling 2,4,6,7, decelerator 3, herringbone gear 5 and vibration generating mechanism are formed, it is characterized in that: described vibration generating mechanism is by two crank LM, KJ, two isometric connecting rod MN, JI, crossbeam NI, connecting rod HE, the plane multi-bar linkage that fork GF is constituted, wherein crank LM is linked by the slow-speed shaft of shaft coupling 6 with herringbone gear 5, crank KJ links by the high speed shaft of shaft coupling 7 with herringbone gear 5, high speed shaft and slow-speed shaft all are rotated counterclockwise, and the high speed shaft rotating speed is the twice of slow-speed shaft; The adjustable length of crank LM, KJ, LM=0～30mm, KJ=0～15mm, but two cranks can not be zero simultaneously, crank LM＞KJ; Must make crank LM and KJ during installation on same horizontal level, and make its end points M and J the outside at two crank up center L and K line, promptly the angle of two cranks is 180 °, H point on the end of connecting rod EH and the crossbeam NI perpendicular bisector links, in the multi-bar linkage of plane, remove connecting rod EH and fork GF, increase by one with the point-connected fork HD of H, non-sinusoidal oscillation also can take place in this device.
Drawings and Examples:
Fig. 1 non-sinusoidal oscillation generating mechanism schematic diagram
The transmission schematic diagram of Fig. 2 non-sinusoidal oscillation generating mechanism
Fig. 3 two cranks (bent axle) connect the matching requirements schematic diagram with herringbone gear
Second kind of non-sinusoidal oscillation generating mechanism of Fig. 4 schematic diagram
Fig. 5 non-sinusoidal oscillation curve: a, displacement curve b, rate curve
Accompanying drawing the 1, the 2nd, the disclosed embodiment of the utility model, wherein motor 1 links by yielding coupling 2 and decelerator 3, the output of decelerator 3 connects with the input of herringbone gear 5 by gear coupling 4, the output of the slow-speed shaft of herringbone gear 5 connects by gear coupling 6 and crank (bent axle) LM, and the output of high speed shaft connects by gear coupling 7 and crank (bent axle) KJ.
When connecting assembling, must make crank LM and KJ be in same horizontal level, and make its end points M and J be positioned at the outside (see figure 3) of two crank up center LK lines, promptly two crank angles are 180 °, and crank LM=20mm rotates counterclockwise, rotation speed n
1=150 rev/mins: crank KJ=9mm, turn to identical with crank LM, rotation speed n
2=300 rev/mins, the amplitude of the output E of non-sinusoidal oscillation this moment generating mechanism is ± 12.57mm that its frequency is 150 times/minute.
For making vibration frequency adjustable, can adopt dc motor, or adopt ac motor to realize the stepless automatic adjusting of vibration frequency by ac variable speed technology.
For making amplitude adjustable, can adopt the way of dress eccentric bushing on eccentric shaft, realize the change of eccentric throw by changing the circumferential position of eccentric bushing on eccentric shaft, thereby the level that has that realizes amplitude is regulated.When any one eccentric throw is set to zero or two eccentric throws when equating, can realize the conversion of non-sinusoidal oscillation and sinusoidal vibration.
This vibration generating mechanism is under the driving of motor 1 during work, vibrate by the crystallizer 8 that linkage ABCD promotes to be fixed on the connecting rod BC indirectly by output E, its displacement, rate curve are seen Fig. 5, in the multi-bar linkage of plane, remove connecting rod EH and fork GF, (see figure 4) when promoting mold oscillation by output H indirectly by linkage ABCDH, non-sinusoidal oscillation takes place in this device.
When the vibration generating mechanism output directly promoted mold oscillation, two crank LM, KJ clockwise rotated, then this device generation non-sinusoidal oscillation.
Sometimes, can be with plane many bars vibration generating mechanism with respect to planar linkage mechanism ABCD half-twist, to satisfy different field erected needs.
Claims (4)
1, a kind of mechanically operated non sine vibration generating arrangement, comprise that motor 1, shaft coupling 2,4,6,7, decelerator 3, herringbone gear 5 and vibration generating mechanism form, it is characterized in that: described vibration generating mechanism is by two crank LM, KJ, two plane multi-bar linkages that isometric connecting rod MN, JI, crossbeam NI, connecting rod HE, fork GF are constituted, wherein crank LM is linked by the slow-speed shaft of shaft coupling 6 with herringbone gear 5, and crank KJ links by shaft coupling 7 and high speed shaft; Turning to of two output shafts of described herringbone gear 5 is identical, all is rotated counterclockwise, and wherein the high speed shaft rotating speed is the twice of slow-speed shaft; Must make crank LM and KJ during installation on same horizontal level, and make its end points M and J the outside at two crank up center L and K line.
2, non-sine generating means according to claim 1 is characterized in that: crank adjustable length, LM=0～30mm, KJ=0～15mm and LM＞KJ.
3, non sine vibration generating arrangement according to claim 1 and 2 is characterized in that: the H point on the end of connecting rod EH and the crossbeam NI perpendicular bisector links.
4, non sine vibration generating arrangement according to claim 1 and 2 is characterized in that: in the multi-bar linkage of plane, remove connecting rod EH and fork GF, increase by one with the point-connected fork HD of H, non-sinusoidal oscillation also can take place in this device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212823 CN2395826Y (en) | 1999-06-02 | 1999-06-02 | Non-sinusoidal vibration generator driven by machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212823 CN2395826Y (en) | 1999-06-02 | 1999-06-02 | Non-sinusoidal vibration generator driven by machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395826Y true CN2395826Y (en) | 2000-09-13 |
Family
ID=34005400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99212823 Expired - Fee Related CN2395826Y (en) | 1999-06-02 | 1999-06-02 | Non-sinusoidal vibration generator driven by machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395826Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341641C (en) * | 2003-07-31 | 2007-10-10 | 任廷志 | Variable speed gear with nonsinusoidal vibration in continuous casting crystallizer |
| CN102125910A (en) * | 2010-12-07 | 2011-07-20 | 南京工程学院 | Amplitude and energy adjustable mechanical random vibration exciting device |
| CN104550793A (en) * | 2014-12-26 | 2015-04-29 | 燕山大学 | Non-sine driving device for electric plate blank crystallizer |
| CN105081241A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Method for stimulating continuous casting crystallizer to perform non-sinusoidal vibration by swing type eccentric shaft |
| CN110216248A (en) * | 2019-07-15 | 2019-09-10 | 燕山大学 | Continuous cast mold double source exciting device |
-
1999
- 1999-06-02 CN CN 99212823 patent/CN2395826Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341641C (en) * | 2003-07-31 | 2007-10-10 | 任廷志 | Variable speed gear with nonsinusoidal vibration in continuous casting crystallizer |
| CN102125910A (en) * | 2010-12-07 | 2011-07-20 | 南京工程学院 | Amplitude and energy adjustable mechanical random vibration exciting device |
| CN102125910B (en) * | 2010-12-07 | 2013-01-09 | 南京工程学院 | Amplitude and energy adjustable mechanical random vibration exciting device |
| CN104550793A (en) * | 2014-12-26 | 2015-04-29 | 燕山大学 | Non-sine driving device for electric plate blank crystallizer |
| CN104550793B (en) * | 2014-12-26 | 2017-03-29 | 燕山大学 | Electrodynamic type plate slab crystallizer non-sine driving means |
| CN105081241A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Method for stimulating continuous casting crystallizer to perform non-sinusoidal vibration by swing type eccentric shaft |
| CN110216248A (en) * | 2019-07-15 | 2019-09-10 | 燕山大学 | Continuous cast mold double source exciting device |
| CN110216248B (en) * | 2019-07-15 | 2021-05-07 | 燕山大学 | Double-source vibration excitation device of continuous casting crystallizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |