CN2815552Y - Hydraulic controldevice for crystallizer hydraulic vibrating device - Google Patents
Hydraulic controldevice for crystallizer hydraulic vibrating device Download PDFInfo
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- CN2815552Y CN2815552Y CN 200520079205 CN200520079205U CN2815552Y CN 2815552 Y CN2815552 Y CN 2815552Y CN 200520079205 CN200520079205 CN 200520079205 CN 200520079205 U CN200520079205 U CN 200520079205U CN 2815552 Y CN2815552 Y CN 2815552Y
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Abstract
The utility model is a kind of hydraulic control device of crystallizer hydraulic vibration device, its involving vibrations hydraulic means, accumulation of energy filter, the vibrating hydraulic device comprises band displacement transducer, vibration servo hydraulic cylinder, electrohydraulic servo valve, pressure sensor, and pressure sensor, displacement transducer are 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 loop of electrohydraulic servo valve is communicated with the pressure oil loop oil circuit of accumulation of energy filter through stop valve, and the 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 accumulation of energy filter; Be connected with stop valve between the stop valve of vibrating hydraulic device one end and the check valve.The utility model can be controlled and drive online adjustment amplitude easily and shake frequently, realizes the hydraulic vibration function of modern conticaster crystallizer.
Description
Technical field
The utility model relates to the hydraulic control device of a kind of hydraulic system, particularly a kind of crystallizer hydraulic vibration device.
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 utility model provides a kind of hydraulic control device of crystallizer hydraulic vibration device, it can be controlled and drive crystallizer and vibrate by given sine or non-sinusoidal cuve, online easily adjustment amplitude and shaking is frequently realized the hydraulic vibration function of modern conticaster crystallizer.
The technical solution of the utility model is achieved in that the hydraulic control device of design crystallizer hydraulic vibration device, 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.
On the oil return circuit of described accumulation of energy filter oil-return accumulator is arranged.
Be connected with accumulator ball relief valve and pressure oil accumulator on the pressure oil loop of described accumulation of energy filter.
Characteristics of the present utility model 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
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
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, the hydraulic control device of crystallizer hydraulic vibration device, 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, the hydraulic control device of crystallizer hydraulic vibration device according to claim 1 is characterized in that: on the oil return circuit of described accumulation of energy filter oil-return accumulator is arranged.
3, the hydraulic control device of crystallizer hydraulic vibration device according to claim 1 is characterized in that: be connected with accumulator ball relief valve and pressure oil accumulator on the pressure oil loop of described accumulation of energy filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079205 CN2815552Y (en) | 2005-08-08 | 2005-08-08 | Hydraulic controldevice for crystallizer hydraulic vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079205 CN2815552Y (en) | 2005-08-08 | 2005-08-08 | Hydraulic controldevice for crystallizer hydraulic vibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN2815552Y true CN2815552Y (en) | 2006-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520079205 Expired - Fee Related CN2815552Y (en) | 2005-08-08 | 2005-08-08 | Hydraulic controldevice for crystallizer hydraulic vibrating device |
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| CN (1) | CN2815552Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371107C (en) * | 2005-08-08 | 2008-02-27 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN102059326A (en) * | 2010-12-24 | 2011-05-18 | 中冶南方工程技术有限公司 | Method for controlling vibration hydraulic cylinder of 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 |
| CN108397431A (en) * | 2018-05-11 | 2018-08-14 | 中国重型机械研究院股份公司 | A kind of pressure cylinder control circuit system and method with EDT rolling functions |
| CN110259736A (en) * | 2019-07-01 | 2019-09-20 | 中国重型机械研究院股份公司 | A kind of automatic oil supply and discharge safe hydraulic pressure control system |
| CN113124019A (en) * | 2021-04-30 | 2021-07-16 | 中国重型机械研究院股份公司 | Digital logic valve array hydraulic servo control system, control method and fault diagnosis method |
-
2005
- 2005-08-08 CN CN 200520079205 patent/CN2815552Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371107C (en) * | 2005-08-08 | 2008-02-27 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN102059326A (en) * | 2010-12-24 | 2011-05-18 | 中冶南方工程技术有限公司 | Method for controlling vibration hydraulic cylinder of crystallizer |
| CN102059326B (en) * | 2010-12-24 | 2012-12-19 | 中冶南方工程技术有限公司 | Method for controlling vibration hydraulic cylinder of 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 |
| CN108397431A (en) * | 2018-05-11 | 2018-08-14 | 中国重型机械研究院股份公司 | A kind of pressure cylinder control circuit system and method with EDT rolling functions |
| CN110259736A (en) * | 2019-07-01 | 2019-09-20 | 中国重型机械研究院股份公司 | A kind of automatic oil supply and discharge safe hydraulic pressure control system |
| CN113124019A (en) * | 2021-04-30 | 2021-07-16 | 中国重型机械研究院股份公司 | Digital logic valve array hydraulic servo control system, control method and fault diagnosis method |
| CN113124019B (en) * | 2021-04-30 | 2022-02-11 | 中国重型机械研究院股份公司 | Digital logic valve array hydraulic servo control system, control method and fault diagnosis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20130808 |