CN1736632A - Vibrating device hydraulic system - Google Patents
Vibrating device hydraulic system Download PDFInfo
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- CN1736632A CN1736632A CN 200510043064 CN200510043064A CN1736632A CN 1736632 A CN1736632 A CN 1736632A CN 200510043064 CN200510043064 CN 200510043064 CN 200510043064 A CN200510043064 A CN 200510043064A CN 1736632 A CN1736632 A CN 1736632A
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Abstract
The invention discloses a hydraulic system of a vibrating device, which comprises a vibrating hydraulic device and an energy storage filter device, the vibrating hydraulic device comprising a displacement sensor, a vibrating servo hydraulic cylinder, a electrohydraulic servo valve and a pressure sensor, the pressure sensor and the displacement sensor being equipped with the cylinder end of the vibrating servo hydraulic cylinder; the pressure sensor being linked with the pressure oil circuit and the return oil circuit of the vibrating servo hydraulic cylinder; the circuit of electrohydraulic servo valve connecting with the oil-way of pressure oil circuit of energy storage filter device by checking-valve and connecting with the oil-way of return oil of the energy storage filter device by one-way valve; the gas pressure inlet end of the vibrating hydraulic device connecting with the compressed air of the energy storage filter device; and between the checking-valve from one end the vibrating hydraulic device and the one-way valve being equipped with a checking-valve. The invented can support to realize the hydraulic vibrating function of the crystallizer of conticaster.
Description
Technical field
The present invention relates to a kind of hydraulic system, particularly a kind of vibrating device hydraulic system.
Background technology
In the conticaster production process, need carry out the vibration of above-below direction to crystallizer, in case molten steel produces adhesion in the crystallization and freezing process and between copper plate of crystallizer in crystallizer.Traditional mould vibration device is driven by mechanical system, and its complex structure, equipment weigh; Sinusoidal vibration can only be carried out, non-sinusoidal oscillation can not be carried out; Can not online adjustment amplitude in the production process, the outer amplitude of line is adjusted complicated, the requirement of incompatible modern conticaster.For overcoming the shortcoming of traditional mould vibration device, crystallizer can adopt hydraulic vibration device, and this just needs a kind of crystallizer hydraulic vibration device hydraulic system equipment of energy safe and reliable operation.
Summary of the invention
The purpose of this invention is to provide vibrating device hydraulic system, it can be controlled and drive crystallizer and vibrate by given sine or non-sinusoidal cuve, and online easily adjustment amplitude and shaking is frequently realized the hydraulic vibration function of modern conticaster crystallizer.
Technical scheme of the present invention is achieved in that the design vibrating device hydraulic system, it comprises two-way vibrating hydraulic device, accumulation of energy filter, the vibrating hydraulic device comprises band displacement transducer, vibration servo hydraulic cylinder, electrohydraulic servo valve, pressure sensor, it is characterized in that: displacement transducer is fixed on the cylinder head of vibration servo hydraulic cylinder; Pressure sensor is connected on the pressure oil loop and oil return loop of vibration servo hydraulic cylinder; The P loop of electrohydraulic servo valve is communicated with the pressure oil loop oil circuit of accumulation of energy filter through stop valve, and the T loop of electrohydraulic servo valve is communicated with through the oil return circuit of check valve with the accumulation of energy filter; Vibrating hydraulic device atmospheric pressure input is communicated with the compressed air gas of compressed air pressure reducing purifying device; Be connected with stop valve between the stop valve of vibrating hydraulic device one end and the check valve.
Be connected with Pressure gauge 10 on the oil return line T of described accumulation of energy filter E3, and be connected with oil-return accumulator 9 by stop valve 2; The pressure oil loop P of accumulation of energy filter E3 through stop valve 1, hydraulic control one-way valve 5, pressure oil filter 6 down, go up stop valve 1 and be connected with pressure oil loop P among vibrating hydraulic device E1, the E2; Pressure oil filter 6 and last stop valve 1 be connected with Pressure gauge 11, pressure switch 12, be connected on the pressure oil accumulator 8 by accumulator ball relief valve 7 simultaneously.
The draining L loop of described accumulation of energy filter E3 is connected with accumulator ball relief valve 7, hydraulic control one-way valve 5, solenoid directional control valve 4 by pipeline respectively.
Characteristics of the present invention are: the accumulation of energy filter comprises pressure oil accumulator, oil-return accumulator, pressure oil filter, solenoid directional control valve, hydraulic control one-way valve.The fuel feeding of Hydraulic Station is sent into the vibrating hydraulic device through the accumulation of energy filter by connecting line, and the electrohydraulic servo valve control vibration servo hydraulic cylinder on the vibrating hydraulic device drives crystallizer and carries out sine or non-sinusoidal oscillation.Native system equipment can be realized position closed loop control to the mold oscillation servo hydraulic cylinder, and servo hydraulic cylinder frictional force is little, dynamic control accuracy height, and response speed is fast; The vibrating hydraulic device is in the works fine environment, the functional reliability height; Pipe vibration and noise are little, oil circuit flushing practical simplicity.This system can control and drive crystallizer and vibrate by given sine or non-sinusoidal cuve, and online easily adjustment amplitude and shaking is frequently realized the hydraulic vibration function of modern conticaster crystallizer.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention.
Among the figure: C, vibration servo hydraulic cylinder; E1, vibrating hydraulic device; E2, vibrating hydraulic device; E3, accumulation of energy filter; P, pressure oil loop; T, oil return line; L, draining; H, compressed air; 1, stop valve; 2, stop valve; 3, stop valve; 4, solenoid directional control valve; 5, hydraulic control one-way valve; 6, pressure oil filter; 7; The accumulator ball relief valve; 8, pressure oil accumulator; 9, oil-return accumulator; 10, Pressure gauge; 11, Pressure gauge; 12, pressure switch; 13, check valve; 14, electrohydraulic servo valve; 15, displacement transducer; 16, pressure sensor; 17, compressed air pressure reducing purifying device.
The specific embodiment
Embodiment as shown in Figure 1, every mould vibration device hydraulic control device of conticaster mainly is made up of 2 in vibrating hydraulic device, 1 of accumulation of energy filter and connecting line.Wherein vibrating hydraulic device E1, E2 mainly comprise the vibration servo hydraulic cylinder C that is with displacement transducer 15, electrohydraulic servo valve 14, pressure sensor 16, stop valve 3, check valve 13 etc., and electrohydraulic servo valve 14, pressure sensor 16 etc. are integrated on vibration servo hydraulic cylinder C of its band displacement transducer 15 in every vibrating hydraulic device.Accumulation of energy filter E3 mainly comprises pressure oil accumulator 8, oil-return accumulator 9, Pressure gauge 10, Pressure gauge 11, pressure oil filter 6, solenoid directional control valve 4, hydraulic control one-way valve 5, stop valve 1, stop valve 2, compressed air filtration under diminished pressure device 17 etc.Displacement transducer 15 is fixed on the cylinder head of vibration servo hydraulic cylinder; Pressure sensor 16 is connected on the pressure oil loop P and oil return line T of vibration servo hydraulic cylinder C; The P loop of electrohydraulic servo valve 14 is connected with the pressure oil loop P oil circuit of accumulation of energy filter E3 through stop valve 3, and the T loop of electrohydraulic servo valve 14 is connected with the oil return line T oil circuit of accumulation of energy filter E3 through check valve 13; Vibrating hydraulic device E1 atmospheric pressure input is connected with the compressed air pressure reducing purifying device 17 compressed air H gas of accumulation of energy filter E3; Be connected with stop valve 3 between the stop valve 3 of vibration filtering device E1 one end and the check valve 13.Be connected with Pressure gauge 10 on the oil return line T of accumulation of energy filter E3, and be connected with oil-return accumulator 9 by stop valve 2.The pressure oil loop P of accumulation of energy filter E3 through stop valve 1, hydraulic control one-way valve 5, pressure oil filter 6 down, go up stop valve 1 and be connected with pressure oil loop P among vibrating hydraulic device E1, the E2; Pressure oil filter 6 and last stop valve 1 be connected with Pressure gauge 11, pressure switch 12, be connected on the pressure oil accumulator 8 by accumulator ball relief valve 7 simultaneously.The draining L loop of accumulation of energy filter E3 is connected with accumulator ball relief valve 7, hydraulic control one-way valve 5, solenoid directional control valve 4 by pipeline respectively.
On accumulation of energy filter E3, the pressure oil that 6 pairs of pressure oil filters offer vibrating hydraulic device E1 further filters, with the functional reliability of the electrohydraulic servo valve 14 that improves vibrating hydraulic device E1, vibration servo hydraulic cylinder C etc.; During the vibration servo hydraulic cylinder C, electrohydraulic servo valve 14, pressure sensor 16 etc. of band displacement transducer 15 form on vibrating hydraulic device E1 position closed loop system works, pressure oil accumulator 8 can replenish the deficiency of instantaneous delivery, improves the capability of fast response of closed-loop system; Accumulator ball relief valve 7 mainly plays the safeguard protection effect to accumulator 8, and can cut off its pressure oil circuit when accumulator 8 maintenances, makes its emptying; Analysis of Pipe Vibrations and noise when oil-return accumulator 9 can be alleviated vibrating hydraulic device E1 driving mold oscillation, and the dynamic property of improvement system; Stop valve 2 can cut off it and connect oil circuit when oil-return accumulator 9 maintenances; The control whether 5 realizations of solenoid directional control valve 4 control hydraulic control one-way valves drop into vibrating hydraulic device E1; Stop valve 1 can cut off itself and the oil circuit that is connected of external pressure oil when accumulation of energy filter E3 keeps in repair; The compressed air filtration under diminished pressure of compressed air H device 17 is supplied with in the protective cover of every vibrating hydraulic device E1; air in the protective cover keeps malleation; can prevent entering of water vapour and flue dust; and vibrating hydraulic device E1 cooled off; make electrohydraulic servo valve 14, displacement transducer 15, pressure sensor 16 be in the works fine environment, improve its functional reliability.Under the control of solenoid directional control valve 4, hydraulic control one-way valve 5 is opened, pressure switch 12 sender indicated pressure oil have been supplied with 2 vibrating hydraulic device E1, vibrating hydraulic device E1 enters " input " state, under this " input " state, according to according to technological requirement given mold oscillation sine or non-sinusoidal cuve, every vibrating hydraulic device E1 vibration servo hydraulic cylinder C is separately carried out the dynamic position closed-loop control.Every feedback signal of vibrating the displacement transducer 15 on the servo hydraulic cylinder C is compared with given signal in real time, control corresponding electrohydraulic servo valve 14, make vibration servo hydraulic cylinder C drive the crystallizer up-down vibration by given mold oscillation sine or non-sinusoidal cuve.Establish 1 pressure sensor 16 on every vibration servo hydraulic cylinder C two cavity oil road, detect the pressure of corresponding oil circuit respectively in real time, the pressure detecting signal difference on two cavity oil road can realize pressure feedback, makes position closed loop have pressure compensation, improves system's dynamic quality.By above-mentioned control, make two vibration servo hydraulic cylinder C drive crystallizer and vibrate by given sine or non-sinusoidal cuve curve, realize the hydraulic vibration function of modern conticaster crystallizer.Stop valve 3 on vibrating hydraulic device E1 oil circuit can play the effect of flushing bypass valve, makes oil circuit flushing practical simplicity; The oil return of 13 pairs of each servo valves of check valve is isolated, and influences each other with elimination.Major and minor seal combination form is adopted in the sealing of vibration servo hydraulic cylinder C piston rod, and sealing is reliable and frictional force is little, establishes the draining passage between major and minor sealing, can prevent the entrap phenomenon between major and minor sealing, and makes good lubrication is arranged between major and minor sealing.
Claims (3)
1, vibrating device hydraulic system, it comprises two-way vibrating hydraulic device, accumulation of energy filter, the vibrating hydraulic device comprises band displacement transducer, vibration servo hydraulic cylinder, electrohydraulic servo valve, pressure sensor, it is characterized in that: displacement transducer is fixed on the cylinder head of vibration servo hydraulic cylinder; Pressure sensor is connected on the pressure oil loop and oil return loop of vibration servo hydraulic cylinder; (P) loop of electrohydraulic servo valve is communicated with the pressure oil loop oil circuit of accumulation of energy filter through stop valve, and (T) loop of electrohydraulic servo valve is communicated with through the oil return circuit of check valve with the accumulation of energy filter; Vibrating hydraulic device atmospheric pressure input is communicated with the compressed air gas of compressed air pressure reducing purifying device; Be connected with stop valve between the stop valve of vibrating hydraulic device one end and the check valve.
2, vibrating device hydraulic system according to claim 1 is characterized in that: be connected with Pressure gauge 10 on the oil return line T of accumulation of energy filter E3, and be connected with oil-return accumulator 9 by stop valve 2; The pressure oil loop P of accumulation of energy filter E3 through stop valve 1, hydraulic control one-way valve 5, pressure oil filter 6 down, go up stop valve 1 and be connected with pressure oil loop P among vibrating hydraulic device E1, the E2; Pressure oil filter 6 and last stop valve 1 be connected with Pressure gauge 11, pressure switch 12, be connected on the pressure oil accumulator 8 by accumulator ball relief valve 7 simultaneously.
3, vibrating device hydraulic system according to claim 1 is characterized in that: the draining L loop of accumulation of energy filter E3 is connected with accumulator ball relief valve 7, hydraulic control one-way valve 5, solenoid directional control valve 4 by pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100430640A CN100371107C (en) | 2005-08-08 | 2005-08-08 | Vibrating device hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100430640A CN100371107C (en) | 2005-08-08 | 2005-08-08 | Vibrating device hydraulic system |
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| CN1736632A true CN1736632A (en) | 2006-02-22 |
| CN100371107C CN100371107C (en) | 2008-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100430640A Expired - Fee Related CN100371107C (en) | 2005-08-08 | 2005-08-08 | Vibrating device hydraulic system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337267B (en) * | 2008-08-13 | 2010-06-09 | 中冶连铸技术工程股份有限公司 | Plate-blank crystallizer hydraulic vibration device |
| CN102363209A (en) * | 2011-10-31 | 2012-02-29 | 中国重型机械研究院有限公司 | Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section |
| CN102554152A (en) * | 2011-12-30 | 2012-07-11 | 新兴铸管股份有限公司 | Non-sinusoidal oscillation method for mold and hydraulic system for same |
| CN103244472A (en) * | 2013-05-08 | 2013-08-14 | 中国重型机械研究院股份公司 | Servo hydraulic cylinder valve system for hydraulically balancing gravity load of crystallizer |
| CN103752784A (en) * | 2014-01-23 | 2014-04-30 | 中国重型机械研究院股份公司 | Hydraulic vibration system of small square billet or small circular billet continuous casting machine crystallizer |
| CN104070146A (en) * | 2013-03-27 | 2014-10-01 | 上海梅山钢铁股份有限公司 | A positioning device and a positioning control method in a crystallizer width adjusting system |
| CN107448434A (en) * | 2017-09-26 | 2017-12-08 | 中冶赛迪工程技术股份有限公司 | A kind of continuous cast mold vibration energy saving servo hydraulic cylinder and hydraulic system |
| CN108087371A (en) * | 2017-12-11 | 2018-05-29 | 大连四达高技术发展有限公司 | For the hydraulic servo driving system of accurate model supporting device |
| CN112091189A (en) * | 2020-10-13 | 2020-12-18 | 中冶赛迪技术研究中心有限公司 | Driving device for vibration of split type electro-hydraulic direct-drive continuous casting crystallizer |
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| CN2040089U (en) * | 1988-04-11 | 1989-06-28 | 崔家龙 | Vibrationless luffing hydraulic system for door-base crane |
| CN2031859U (en) * | 1988-05-14 | 1989-02-01 | 郝雄义 | Hydraulic system eliminated hydraulic impaction |
| US5289388A (en) * | 1989-04-21 | 1994-02-22 | Vickers, Incorporated | Electrohydraulic control of a die casting machine |
| CN1074167A (en) * | 1991-10-11 | 1993-07-14 | 文演进 | Three exempt from the manufacturing of four energy-saving building blocks |
| TW274529B (en) * | 1993-10-21 | 1996-04-21 | Hitachi Shipbuilding Eng Co | |
| CN1110605C (en) * | 1998-12-01 | 2003-06-04 | 陕西中大机械集团有限责任公司 | Hydraulic drive system for towed vibrating road roller |
| CN2639554Y (en) * | 2003-05-09 | 2004-09-08 | 刘长年 | Electrohydraulic high-pressure plunger pump |
| CN2644511Y (en) * | 2003-08-28 | 2004-09-29 | 曹珍 | Hydraulic system of static pile pressing machine |
| CN2815552Y (en) * | 2005-08-08 | 2006-09-13 | 西安重型机械研究所 | Hydraulic controldevice for crystallizer hydraulic vibrating device |
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2005
- 2005-08-08 CN CNB2005100430640A patent/CN100371107C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337267B (en) * | 2008-08-13 | 2010-06-09 | 中冶连铸技术工程股份有限公司 | Plate-blank crystallizer hydraulic vibration device |
| CN102363209A (en) * | 2011-10-31 | 2012-02-29 | 中国重型机械研究院有限公司 | Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section |
| CN102554152A (en) * | 2011-12-30 | 2012-07-11 | 新兴铸管股份有限公司 | Non-sinusoidal oscillation method for mold and hydraulic system for same |
| CN104070146A (en) * | 2013-03-27 | 2014-10-01 | 上海梅山钢铁股份有限公司 | A positioning device and a positioning control method in a crystallizer width adjusting system |
| CN103244472A (en) * | 2013-05-08 | 2013-08-14 | 中国重型机械研究院股份公司 | Servo hydraulic cylinder valve system for hydraulically balancing gravity load of crystallizer |
| CN103244472B (en) * | 2013-05-08 | 2016-03-16 | 中国重型机械研究院股份公司 | A kind of servo hydraulic cylinder valve system of hydraulic balance crystallizer gravity load |
| CN103752784A (en) * | 2014-01-23 | 2014-04-30 | 中国重型机械研究院股份公司 | Hydraulic vibration system of small square billet or small circular billet continuous casting machine crystallizer |
| CN107448434A (en) * | 2017-09-26 | 2017-12-08 | 中冶赛迪工程技术股份有限公司 | A kind of continuous cast mold vibration energy saving servo hydraulic cylinder and hydraulic system |
| CN108087371A (en) * | 2017-12-11 | 2018-05-29 | 大连四达高技术发展有限公司 | For the hydraulic servo driving system of accurate model supporting device |
| CN112091189A (en) * | 2020-10-13 | 2020-12-18 | 中冶赛迪技术研究中心有限公司 | Driving device for vibration of split type electro-hydraulic direct-drive continuous casting crystallizer |
| CN112091189B (en) * | 2020-10-13 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Driving device for vibration of split electrohydraulic direct-drive continuous casting crystallizer |
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| CN100371107C (en) | 2008-02-27 |
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Effective date of registration: 20090807 Address after: Xi'an Heavy Machinery Research Institute, No. 209 Dongyuan Road, Xin Jia temple, Xi'an, Shaanxi, China zip code: 710032 Co-patentee after: China National Machinery Industry Corp Patentee after: Xi'an Heavy Machinery Research Institute Address before: Shaanxi city in Xi'an province Xin Jiamiao zip code: 710000 Xi'an Heavy Machinery Research Institute Patentee before: Xi-an Heavy Machinery Inst. |
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Granted publication date: 20080227 Termination date: 20150808 |
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