CN202398792U - Hydraulic system for non-sinusoidal oscillation of crystallizer - Google Patents
Hydraulic system for non-sinusoidal oscillation of crystallizer Download PDFInfo
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- CN202398792U CN202398792U CN2011205685562U CN201120568556U CN202398792U CN 202398792 U CN202398792 U CN 202398792U CN 2011205685562 U CN2011205685562 U CN 2011205685562U CN 201120568556 U CN201120568556 U CN 201120568556U CN 202398792 U CN202398792 U CN 202398792U
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Abstract
The utility model relates to a hydraulic control system for non-sinusoidal oscillation of a crystallizer for a continuous casting machine. The hydraulic system for non-sinusoidal oscillation of the crystallizer comprises an oscillating servo hydraulic cylinder, a position sensor, a first pressure sensor, a second pressure sensor, a first relief valve, a second relief valve, an electro-hydraulic servo valve, an energy accumulator group, a pressure oil filter, a first oil return filter, a one-way valve, an electromagnetic relief valve and a hydraulic pump, wherein the hydraulic pump is connected with the electro-hydraulic servo valve through a hydraulic element; an operating oil port A of the electro-hydraulic servo valve is communicated with an oil inlet P of the first relief valve and a rodless cavity of the oscillating servo hydraulic cylinder; an operating oil port B of the electro-hydraulic servo valve is communicated with an oil inlet P of the second relief valve and a rod cavity of the oscillating servo hydraulic cylinder; the position sensor is fixedly arranged on a cylinder head of the oscillating servo hydraulic cylinder; the first pressure sensor is arranged on an oil inlet way of the oscillating servo hydraulic cylinder; and the second pressure sensor is arranged on an oil return way of the oscillating servo hydraulic cylinder.
Description
Technical field
The utility model relates to the continuous casting of metal field, particularly relates to a kind of hydraulic control system of mould non-sinusoidal vibration of conticaster.
Background technology
In the conticaster production process, need carry out the vibration of above-below direction to crystallizer, in crystallizer, produce adhesion in the crystallization and freezing process and between the copper plate of crystallizer to prevent molten steel.Traditional mould vibration device is driven by mechanical system, and its complex structure, equipment weigh, and can only carry out sinusoidal vibration; Can not carry out non-sinusoidal oscillation; Can not online adjustment amplitude in the production process, the outer amplitude adjustment of line is complicated, the requirement of incompatible modern conticaster.In order to overcome the shortcoming of traditional mould vibration device, crystallizer can adopt hydraulic vibration device, and this just needs a kind of hydraulic system equipment of crystallizer hydraulic vibration device that can safe and reliable operation.
The utility model content
The technical problem that the utility model will solve provides the hydraulic system that a kind of mould non-sinusoidal shakes, and can realize the non-sinusoidal oscillation of crystallizer.
The hydraulic system that a kind of mould non-sinusoidal of the utility model shakes; Involving vibrations servo hydraulic cylinder, position sensor, first pressure sensor, second pressure sensor, first overflow valve, second overflow valve, electrohydraulic servo valve, accumulator group, pressure oil strainer, first return filter, check valve, electromagnetic relief valve and hydraulic pump; The oil-in of hydraulic pump is communicated with fuel tank; The oil-feed port of hydraulic pump is communicated with the oil inlet P of the oil inlet P of electromagnetic relief valve, accumulator group, the oil inlet P of check valve; The oil-out A of check valve is communicated with the oil inlet P of pressing oil strainer; Press the oil-out A of oil strainer to be communicated with the oil inlet P of electrohydraulic servo valve; The oil return inlet T of electrohydraulic servo valve is communicated with the oil inlet P of first return filter; The oil-out A of first return filter is communicated with fuel tank, and the actuator port A of electrohydraulic servo valve is communicated with the rodless cavity of the oil inlet P of first overflow valve, vibration servo hydraulic cylinder, and the actuator port B of electrohydraulic servo valve is communicated with the rod chamber of the oil inlet P of second overflow valve, vibration servo hydraulic cylinder; The oil return inlet T of first overflow valve, second overflow valve, electromagnetic relief valve all is communicated with fuel tank; Position sensor is fixedly mounted on the cylinder head of vibration servo hydraulic cylinder, and first pressure sensor is installed on the oil-feed oil circuit of vibration servo hydraulic cylinder, and second pressure sensor is installed on the oil return circuit of vibration servo hydraulic cylinder.
The hydraulic system of the utility model non-sinusoidal oscillation crystallizer; Also comprise first, second bi-bit bi-pass hand-operated direction valve; Electrohydraulic servo valve is connected with the vibration servo hydraulic cylinder through first, second bi-bit bi-pass hand-operated direction valve; The actuator port A of electrohydraulic servo valve is communicated with the oil inlet P of the first bi-bit bi-pass hand-operated direction valve, and the first bi-bit bi-pass hand-operated direction valve oil-out A is communicated with the oil inlet P of first overflow valve, the rodless cavity of vibration servo hydraulic cylinder; The actuator port B of electrohydraulic servo valve is communicated with the oil inlet P of the second bi-bit bi-pass hand-operated direction valve, and the second bi-bit bi-pass hand-operated direction valve oil-out A is communicated with the oil inlet P of second overflow valve, the rod chamber of vibration servo hydraulic cylinder.
The hydraulic system of the utility model non-sinusoidal oscillation crystallizer; Also comprise second return filter, second return filter is installed between first return filter and the fuel tank, and first return filter is a coarse filter; Second return filter is a fine filter, and the pressure oil strainer is a fine filter.
The hydraulic system of the utility model non-sinusoidal oscillation crystallizer, wherein said hydraulic pump are constant pressure pump.Power adopts constant pressure pump to constitute the constant pressure oil sources, can improve the stability of system first; Second can the minimizing system heating, reduce the oil temperature, prolong fluid service life; Three can cut down the consumption of energy energy savings.
The hydraulic system of the utility model non-sinusoidal oscillation crystallizer, the material of wherein said fuel tank and connecting line is stainless steel.Fuel tank is made by stainless steel with the connecting line that is connected each Hydraulic Elements, farthest the cleaning of oil sources.
The hydraulic system difference from prior art of the utility model non-sinusoidal oscillation crystallizer is that the utility model is through being provided with position sensor; Detect the displacement of vibration servo hydraulic cylinder in real time; Feedback signal is compared with given signal in real time, control electrohydraulic servo valve, make the vibration servo hydraulic cylinder drive the crystallizer up-down vibration according to given mould non-sinusoidal curve; Oil-feed oil circuit and oil return circuit through at the vibration servo hydraulic cylinder are provided with pressure sensor respectively; Can detect the oil-feed of vibration servo hydraulic cylinder and the oil pressure of oil return in real time,, realize the real-time regulated of the oil pressure of vibration servo hydraulic cylinder oil-feed and oil return through the control electrohydraulic servo valve.
Below in conjunction with accompanying drawing the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the hydraulic system of the utility model non-sinusoidal oscillation crystallizer.
The specific embodiment
As shown in Figure 1; The hydraulic system of the utility model non-sinusoidal oscillation crystallizer, is pressed oil strainer 9, first return filter 10, second return filter 19, check valve 11, electromagnetic relief valve 12, hydraulic pump 13 and first, second bi-bit bi-pass hand-operated direction valve 17,18 at involving vibrations servo hydraulic cylinder 1, position sensor 2, first pressure sensor 3, second pressure sensor 4, first overflow valve 5, second overflow valve 6, electrohydraulic servo valve 7, accumulator group 8.
The oil-in of hydraulic pump 13 is communicated with fuel tank 14; The oil inlet P of the oil inlet P of the oil-feed port of hydraulic pump 13 and electromagnetic relief valve 12, two accumulators of accumulator group 8, the oil inlet P of check valve 11 are communicated with; The oil-out A of check valve 11 is communicated with the oil inlet P of pressing oil strainer 9; Press the oil-out A of oil strainer 9 to be communicated with the oil inlet P of electrohydraulic servo valve 7; The oil return inlet T of electrohydraulic servo valve 7 is communicated with the oil inlet P of first return filter 10; The oil-out A of first return filter 10 is communicated with the oil inlet P of second return filter 19; The oil-out A of second return filter 19 is communicated with fuel tank 14, and the actuator port A of electrohydraulic servo valve 7 is communicated with the oil inlet P of the first bi-bit bi-pass hand-operated direction valve 17, and the first bi-bit bi-pass hand-operated direction valve, 17 oil-out A are communicated with the oil inlet P of first overflow valve 5, the rodless cavity of vibration servo hydraulic cylinder 1; The actuator port B of electrohydraulic servo valve 7 is communicated with the oil inlet P of the second bi-bit bi-pass hand-operated direction valve 18; The second bi-bit bi-pass hand-operated direction valve, 18 oil-out A are communicated with the oil inlet P of second overflow valve 6, the rod chamber of vibration servo hydraulic cylinder 1; The oil return inlet T of first overflow valve 5, second overflow valve 6, electromagnetic relief valve 12 all is communicated with fuel tank 14; Position sensor 2 is fixedly mounted on the cylinder head of vibration servo hydraulic cylinder 1; First pressure sensor 3 is installed on the oil-feed oil circuit 15 of vibration servo hydraulic cylinder 1, and second pressure sensor 4 is installed on the oil return circuit 16 of vibration servo hydraulic cylinder 1.Wherein first return filter 10 is a coarse filter, and second return filter 19 is a fine filter, and pressing oil strainer 9 is fine filter, and hydraulic pump 13 is a constant pressure pump.
When hydraulic work system; Hydraulic pump 13 exports pressure oil to electrohydraulic servo valve 7 through pressing oil strainer 9; Be dispensed to vibration servo hydraulic cylinder 1 through electrohydraulic servo valve 7 then, position sensor 2 detects the displacement of vibration servo hydraulic cylinder 1 in real time, then with the real-time and given signal of feedback signal relatively; Control electrohydraulic servo valve, make vibration servo hydraulic cylinder 1 drive the crystallizer up-down vibration according to given mould non-sinusoidal curve.
The power set of hydraulic system vibration are the hydraulic power station that hydraulic pump 13 constitutes, and it provides the fluid of steady pressure and flow to vibration servo hydraulic cylinder 1 as power source.The signal of hydraulic power station is controlled through the PLC system by the indoor computer of main website.The core control devices of hydraulic vibration is an electrohydraulic servo valve 7.Vibration electrohydraulic servo valve 7 sensitivity are high, and hydraulic power station provides power if any fluctuation, and the action of electrohydraulic servo valve 7 will distortion, bumpy motion and vibrational waveform distortion when causing vibration.For this reason, accumulator group 8 is set in system, guarantee the pressure stability of whole system to absorb all kinds of fluctuations and impact.
The control of vibration electrohydraulic servo valve is leaned in the vibration of the non-sinusoidal cuve of crystallizer, and the control signal of electrohydraulic servo valve is from the curve maker, and the computer of master-control room is through its curve maker setting oscillating curve of PLC control.At first through the PLC input amplitude, shake frequently and deviation proportion; The curve maker generates initial non-sinusoidal cuve; The vibration of control vibration servo hydraulic cylinder, PLC revises initial non-sinusoidal cuve through position feed back signal and pressure feedback signal that position sensor and pressure sensor transmit simultaneously.Convert the signal of telecommunication to through the oscillating curve signal of revising and control the vibration servo hydraulic cylinder.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technical scheme of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. the hydraulic system of mould non-sinusoidal vibration; It is characterized in that: involving vibrations servo hydraulic cylinder (1), position sensor (2), first pressure sensor (3), second pressure sensor (4), first overflow valve (5), second overflow valve (6), electrohydraulic servo valve (7), accumulator group (8), pressure oil strainer (9), first return filter (10), check valve (11), electromagnetic relief valve (12) and hydraulic pump (13); The oil-in of said hydraulic pump (13) is communicated with fuel tank (14); The oil-feed port of hydraulic pump (13) is communicated with the oil inlet P of the oil inlet P of electromagnetic relief valve (12), accumulator group (8), the oil inlet P of check valve (11); The oil-out A of check valve (11) is communicated with the oil inlet P of pressing oil strainer (9); Press the oil-out A of oil strainer (9) to be communicated with the oil inlet P of electrohydraulic servo valve (7); The oil return inlet T of electrohydraulic servo valve (7) is communicated with the oil inlet P of first return filter (10); The oil-out A of first return filter (10) is communicated with fuel tank (14); The actuator port A of electrohydraulic servo valve (7) is communicated with the rodless cavity of the oil inlet P of first overflow valve (5), vibration servo hydraulic cylinder (1); The actuator port B of electrohydraulic servo valve (7) is communicated with the rod chamber of the oil inlet P of second overflow valve (6), vibration servo hydraulic cylinder (1), and the oil return inlet T of said first overflow valve (5), second overflow valve (6), electromagnetic relief valve (12) all is communicated with fuel tank (14), and said position sensor (2) is fixedly mounted on the cylinder head of vibration servo hydraulic cylinder (1); First pressure sensor (3) is installed on the oil-feed oil circuit (15) of vibration servo hydraulic cylinder (1), and second pressure sensor (4) is installed on the oil return circuit (16) of vibration servo hydraulic cylinder (1).
2. hydraulic system according to claim 1; It is characterized in that: also comprise first, second bi-bit bi-pass hand-operated direction valve (17,18); Said electrohydraulic servo valve (7) is connected with vibration servo hydraulic cylinder (1) through first, second bi-bit bi-pass hand-operated direction valve (17,18); The actuator port A of said electrohydraulic servo valve (7) is communicated with the oil inlet P of the first bi-bit bi-pass hand-operated direction valve (17), and first bi-bit bi-pass hand-operated direction valve (17) the oil-out A is communicated with the oil inlet P of first overflow valve (5), the rodless cavity of vibration servo hydraulic cylinder (1); The actuator port B of said electrohydraulic servo valve (7) is communicated with the oil inlet P of the second bi-bit bi-pass hand-operated direction valve (18), and second bi-bit bi-pass hand-operated direction valve (18) the oil-out A is communicated with the oil inlet P of second overflow valve (6), the rod chamber of vibration servo hydraulic cylinder (1).
3. hydraulic system according to claim 2; It is characterized in that: also comprise second return filter (19); Said second return filter (19) is installed between first return filter (10) and the fuel tank (14); Said first return filter (10) is a coarse filter, and said second return filter (19) is a fine filter, and said pressure oil strainer (9) is a fine filter.
4. hydraulic system according to claim 3 is characterized in that: said hydraulic pump (13) is a constant pressure pump.
5. hydraulic system according to claim 4 is characterized in that: the material of said fuel tank (14) and connecting line is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205685562U CN202398792U (en) | 2011-12-30 | 2011-12-30 | Hydraulic system for non-sinusoidal oscillation of crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205685562U CN202398792U (en) | 2011-12-30 | 2011-12-30 | Hydraulic system for non-sinusoidal oscillation of crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202398792U true CN202398792U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205685562U Expired - Fee Related CN202398792U (en) | 2011-12-30 | 2011-12-30 | Hydraulic system for non-sinusoidal oscillation of crystallizer |
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| CN (1) | CN202398792U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960043A (en) * | 2015-06-30 | 2015-10-07 | 湖州南浔双林振森实木加工厂 | Automatic slotting machinery for wood floor |
| CN104976166A (en) * | 2015-06-30 | 2015-10-14 | 湖州南浔双林振森实木加工厂 | Hydraulic system of automatic wood floor notching machine |
| CN107052283A (en) * | 2017-02-10 | 2017-08-18 | 中冶赛迪工程技术股份有限公司 | A kind of crystallizer vibration control 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 |
| CN112974746A (en) * | 2019-12-13 | 2021-06-18 | 宝武装备智能科技有限公司 | Clamping hydraulic assembly structure for continuous casting machine crystallizer vibration frame |
| AT525046A4 (en) * | 2021-06-22 | 2022-12-15 | Primetals Technologies Austria GmbH | Compact, energy-saving and highly dynamic hydraulic drive for oscillating a mold of a continuous casting machine |
-
2011
- 2011-12-30 CN CN2011205685562U patent/CN202398792U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960043A (en) * | 2015-06-30 | 2015-10-07 | 湖州南浔双林振森实木加工厂 | Automatic slotting machinery for wood floor |
| CN104976166A (en) * | 2015-06-30 | 2015-10-14 | 湖州南浔双林振森实木加工厂 | Hydraulic system of automatic wood floor notching machine |
| CN107052283A (en) * | 2017-02-10 | 2017-08-18 | 中冶赛迪工程技术股份有限公司 | A kind of crystallizer vibration control device |
| CN107052283B (en) * | 2017-02-10 | 2023-08-15 | 中冶赛迪工程技术股份有限公司 | Crystallizer vibration control device |
| CN112974746A (en) * | 2019-12-13 | 2021-06-18 | 宝武装备智能科技有限公司 | Clamping hydraulic assembly structure for continuous casting machine crystallizer vibration frame |
| 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 |
| AT525046A4 (en) * | 2021-06-22 | 2022-12-15 | Primetals Technologies Austria GmbH | Compact, energy-saving and highly dynamic hydraulic drive for oscillating a mold of a continuous casting machine |
| AT525046B1 (en) * | 2021-06-22 | 2022-12-15 | Primetals Technologies Austria GmbH | Compact, energy-saving and highly dynamic hydraulic drive for oscillating a mold of a continuous casting machine |
| EP4134185A1 (en) | 2021-06-22 | 2023-02-15 | Primetals Technologies Austria GmbH | Hydraulic drive for the oscillation of a mould of a continuous casting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |