CN2805983Y - Hydraulic system equipment for - Google Patents
Hydraulic system equipment for Download PDFInfo
- Publication number
- CN2805983Y CN2805983Y CN 200520079177 CN200520079177U CN2805983Y CN 2805983 Y CN2805983 Y CN 2805983Y CN 200520079177 CN200520079177 CN 200520079177 CN 200520079177 U CN200520079177 U CN 200520079177U CN 2805983 Y CN2805983 Y CN 2805983Y
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- valve
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- clamping
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Abstract
The utility model relates to hydraulic system equipment for casting, rolling and dynamically pressing light, which comprises a casting-rolling hydraulic device, a control device, a hydraulic clamp device. The utility model is characterized in that two sides of the front part of a fan-shaped segment are provided with two casting-rolling hydraulic devices; two sides of the rear part of the fan-shaped segment are provided with two casting-rolling hydraulic devices. The casting-rolling hydraulic device is connected with a clamp control device. The clamp control device has a stop valve 1, a hydraulic control one-way valve 3 and an electromagnetic reversing valve 5. The stop valve 1 is connected between a P oil circuit of the electromagnetic reversing valve 5 and a T oil circuit of the electromagnetic reversing valve 5. The P end of the electromagnetic reversing valve 5 is simultaneously connected with the oil end of an external pressure. The T end of the electromagnetic reversing valve is simultaneously connected with an external oil return end and the T end of a proportional servo valve 6 of the casting-rolling hydraulic device. The control output end of the hydraulic control one-way valve 3 is connected with the P end of the proportional servo valve 6 of the casting-rolling hydraulic device. The hydraulic system equipment for casting, rolling and dynamically pressing light can adjust automatically and can carry out the casting, the rolling and the dynamically light pressing.
Description
Technical field
The utility model relates to a kind of hydraulic system equipment, particularly the hydraulic system equipment that makes the caster two cold fan-shaped section have strand liquid center cast rolling and dynamically light press function about a kind of metallurgical sheet billet continuous casting apparatus field is that casting reaches the hydraulic system equipment of using of dynamically gently depressing specifically.
Background technology
Casting is meant in the conticaster production process, to shell solidified and inner not solidified casting blank section by adjustment to fan-shaped section roller opening degree, carry out the technical process of slab thickness attenuate; Dynamically gently depress and be meant in the conticaster production process, near the casting blank section the inner solidification end is carried out strand by the adjustment of fan-shaped section roller opening degree slightly depress, to improve the technical process of strand internal soundness.Traditional hydraulic clamp fan-shaped section mainly is made up of upper frame, underframe, clamping cylinder, roller, adjustment cushion block etc.According to the thickness of strand that will produce, select the adjustment cushion block of different-thickness, clamping cylinder clamps upper frame and underframe to draw to lean against and adjusts on the cushion block, makes the slab thickness of the opening degree between the framework roller for producing up and down.Because this traditional hydraulic clamp fan-shaped section opening degree by adjusting the cushion block decision, so thickness can't be adjusted in the conticaster production process, can not carry out casting and dynamically light the pressure.
Summary of the invention
The purpose of this utility model provides a kind of casting and dynamically gently depresses the hydraulic system equipment of using, so that can carry out casting and dynamically light the pressure.
The technical solution of the utility model is: design a kind of casting and dynamically gently depress the hydraulic system equipment of using, it comprises the casting hydraulic means, control device, hydraulic clamp, it is characterized in that: in the fan-shaped section front part sides two casting hydraulic means are arranged, two casting hydraulic means are arranged in both sides, fan-shaped section rear portion; The casting hydraulic means is connected with the clamping control device.
Described casting hydraulic means comprises clamping hydraulic cylinder, stop valve 2, hydraulic control one-way valve 4, proportional servo valve 6, safety valve 7, check valve 8, pressure sensor 9, displacement transducer 10, displacement transducer 10 is fixed on the clamping hydraulic cylinder cylinder head, and clamping hydraulic cylinder oil pressure end is connected with the A end of proportional servo valve 6 by right-hand member hydraulic control one-way valve 4; Clamping hydraulic cylinder oil revolving end is connected with the B end of proportional servo valve 6 by left end hydraulic control one-way valve 4; Stop valve 2 and check valve 8 are connected in series between clamping hydraulic cylinder oil revolving end and the oil pressure end; Left and right sides hydraulic control one-way valve 4 is connected with pressure sensor 9 respectively, and the tie point of stop valve 2 and check valve 8 and stop valve 2 other ends are connected to safety valve 7, and the tie point of stop valve 2 and check valve 8 is connected with the oil revolving end of proportional servo valve 6.
Described clamping control device has stop valve 1, hydraulic control one-way valve 3, solenoid directional control valve 5, connects stop valve 1 between the P of solenoid directional control valve 5, the T oil circuit, and the P end of solenoid directional control valve 5 connects external pressure oil end simultaneously; Solenoid directional control valve T end connects the T end of the proportional servo valve 6 in outer oil revolving end and the casting hydraulic means simultaneously; The P end of the proportional servo valve 6 in the control output end of hydraulic control one-way valve 3 and the casting hydraulic means is connected.
Characteristics of the present utility model are: fan-shaped section clamping hydraulic cylinder, fan-shaped section casting hydraulic means, fan-shaped section clamping control device by the band displacement transducer are formed.This system adopts proportional servo valve that the clamping hydraulic cylinder is carried out position closed loop control, and has the pressure compensation of position closed loop, dynamic position control accuracy height.To in 4 clamping hydraulic cylinders of fan-shaped section every all can carry out independently position closed loop control, dynamic position control accuracy height; Equip the fan-shaped section of this system, can realize the dynamic speed synchronization action of each clamping hydraulic cylinder; Can be according to given position-time graph, to the aperture position of the fan-shaped section flexible modulation of dividing into groups.Heavy reduction packet synchronization when this hydraulic system not only is suitable for the strand liquid center cast rolling is depressed, and the strand that also suitable dynamically tracking casting blank solidification end is gently depressed is dynamically gently depressed, and is the very suitable hydraulic system equipment of intelligent conticaster.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the embodiment connection diagram.
Among Fig. 1: 1, stop valve; 2, stop valve; 3, hydraulic control one-way valve; 4, hydraulic control one-way valve; 5, solenoid directional control valve; 6, proportional servo valve; 7, safety valve; 8, check valve; 9, pressure sensor; 10, displacement transducer; M, pressure tap; C1, clamping hydraulic cylinder; C2, clamping hydraulic cylinder; C3, clamping hydraulic cylinder; C4, clamping hydraulic cylinder; D, roller; E1 ~ E4, fan-shaped section casting hydraulic means; E5, fan-shaped section clamp control device; T, oil revolving end; P, oil pressure end.
The specific embodiment
As shown in Figure 1, the utility model comprises that mainly the fan-shaped section clamping hydraulic cylinder of being with displacement transducer comprises that totally 4 of C1, C2, C3, C4, fan-shaped section casting hydraulic means comprise that totally 4 of E1 ~ E4, fan-shaped section clamp totally 1 of control device E5; Casting hydraulic means E1 ~ E4 is connected with clamping control device E5; The casting hydraulic means comprises clamping hydraulic cylinder, stop valve 2, hydraulic control one-way valve 4, proportional servo valve 6, safety valve 7, check valve 8, pressure sensor 9, displacement transducer 10; Displacement transducer 10 has four to be divided into 10.1,10.2,10.3,10.4 and to be fixed on successively respectively on clamping hydraulic cylinder C1, C2, C3, the C4 cylinder head.In the fan-shaped section front part sides two clamping hydraulic cylinder C1, C2 are arranged, two clamping hydraulic cylinder C1, C2 clamp roller, and upper frame is arranged above the roller, underframe are arranged below the roller; Two clamping hydraulic cylinder C3, C4 are arranged in both sides, fan-shaped section rear portion equally; Two clamping hydraulic cylinder C3, C4 clamp roller, and upper frame is arranged above the roller, underframe are arranged below the roller; Clamping hydraulic cylinder oil pressure end P is connected with the A end of proportional servo valve 6 by right-hand member hydraulic control one-way valve 4; Clamping hydraulic cylinder oil revolving end T is connected with the B end of proportional servo valve 6 by left end hydraulic control one-way valve 4; Stop valve 2 and check valve 8 are connected in series between clamping hydraulic cylinder oil revolving end T and the oil pressure end P; Left and right sides hydraulic control one-way valve 4 is connected with pressure sensor 9 respectively, and the tie point of stop valve 2 and check valve 8 and stop valve 2 other ends are connected to safety valve 7, and the tie point of stop valve 2 and check valve 8 is connected with the oil revolving end T of proportional servo valve 6.Clamp control device and comprise stop valve 1, hydraulic control one-way valve 3, solenoid directional control valve 5, solenoid directional control valve 5; Connect stop valve 1 between oil pressure end P, the oil revolving end T oil circuit, the oil pressure end P end of solenoid directional control valve 5 connects external pressure oil end simultaneously; Solenoid directional control valve oil revolving end T meets the oil revolving end T of the proportional servo valve 6 in outer oil revolving end T and the casting hydraulic means simultaneously; The oil pressure end P of the proportional servo valve 6 in the control output end of hydraulic control one-way valve 3 and the casting hydraulic means.Every fan-shaped section casting hydraulic means is used for the control of 1 fan-shaped section clamping cylinder, and 4 groups of fan-shaped section casting hydraulic means on the fan-shaped section and clamping cylinder thereof constitute fan-shaped section to the casting of strand and dynamically gently depress hydraulic control.Fan-shaped section clamp that control device is used for the input of fan-shaped section casting and dynamically light press function or when fault the position to fan-shaped section lock.
Clamp the fan-shaped section casting of control device control and " input " state of dynamically light press function in fan-shaped section, under the control of solenoid directional control valve 5, hydraulic control one-way valve 3 and hydraulic control one-way valve 4 all are opened.Under this state, fan-shaped section front portion (or rear portion) opening degree according to technological requirement, respectively anterior two clamping cylinders (or two clamping cylinders in rear portion) are carried out the dynamic position closed-loop control, be the desired position-time graphs of given anterior two clamping cylinders (or two clamping cylinders in rear portion), detecting separately the feedback signal of the displacement transducer 10 of physical location on every the clamping cylinder in its front portion (or rear portion) compares with given position-time graph, control the proportional servo valve 6 on the corresponding casting hydraulic means, make the clamping cylinder position reach the requirement of its given position signal.Rod end chamber and plunger shaft oil circuit at every clamping cylinder are established 1 pressure sensor 9, detect the pressure of corresponding oil circuit respectively, and this pressure detecting signal can be used as the internal feedback signal of corresponding clamping cylinder dynamic position closed-loop control, to improve its dynamic quality.By above-mentioned control, make each two clamping cylinder of fan-shaped section front and rear carry out synchronization action respectively by given separately position-time graph, realize liquid center cast rolling and the dynamically light press function of fan-shaped section to strand.
Clamp fan-shaped section position " locking " state that control device is controlled in fan-shaped section, under the control of solenoid directional control valve 5, hydraulic control one-way valve 3 and hydraulic control one-way valve 4 all are closed, and 4 clamping hydraulic cylinders of fan-shaped section are locked, and promptly the position of fan-shaped section is locked.
Among Fig. 1, M is a pressure tap, can measure the pressure of corresponding oil circuit point easily; Oil circuit flushing when stop valve 1,2 is used for installation and maintenance; Overflow when producing hydraulic shock in overflow valve 7 production processes, check valve 8 carries out repairing to the oil cylinder piston chamber when the overflow valve overflow simultaneously, and they play the safeguard protection effect to equipment.
Claims (3)
1, casting reaches and dynamically gently depresses the hydraulic system equipment of using, and it comprises the casting hydraulic means, control device, and hydraulic clamp is characterized in that: in the fan-shaped section front part sides two casting hydraulic means are arranged, in both sides, fan-shaped section rear portion two casting hydraulic means are arranged; The casting hydraulic means is connected with the clamping control device.
2, casting according to claim 1 reaches the hydraulic system equipment of using of dynamically gently depressing, it is characterized in that: described casting hydraulic means comprises clamping hydraulic cylinder, stop valve 2, hydraulic control one-way valve 4, proportional servo valve 6, safety valve 7, check valve 8, pressure sensor 9, displacement transducer 10, displacement transducer 10 is fixed on the clamping hydraulic cylinder cylinder head, and clamping hydraulic cylinder oil pressure end is connected with the A end of proportional servo valve 6 by right-hand member hydraulic control one-way valve 4; Clamping hydraulic cylinder oil revolving end is connected with the B end of proportional servo valve 6 by left end hydraulic control one-way valve 4; Stop valve 2 and check valve 8 are connected in series between clamping hydraulic cylinder oil revolving end and the oil pressure end; Left and right sides hydraulic control one-way valve 4 is connected with pressure sensor 9 respectively, and the tie point of stop valve 2 and check valve 8 and stop valve 2 other ends are connected to safety valve 7, and the tie point of stop valve 2 and check valve 8 is connected with the oil revolving end of proportional servo valve 6.
3, casting according to claim 1 reaches the hydraulic system equipment of using of dynamically gently depressing, it is characterized in that: described clamping control device has stop valve 1, hydraulic control one-way valve 3, solenoid directional control valve 5, connect stop valve 1 between the P of solenoid directional control valve 5, the T oil circuit, the P end of solenoid directional control valve 5 connects external pressure oil end simultaneously; Solenoid directional control valve T end connects the T end of the proportional servo valve 6 in outer oil revolving end and the casting hydraulic means simultaneously; The P end of the proportional servo valve 6 in the control output end of hydraulic control one-way valve 3 and the casting hydraulic means is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079177 CN2805983Y (en) | 2005-07-28 | 2005-07-28 | Hydraulic system equipment for |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079177 CN2805983Y (en) | 2005-07-28 | 2005-07-28 | Hydraulic system equipment for |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2805983Y true CN2805983Y (en) | 2006-08-16 |
Family
ID=36920286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520079177 Expired - Fee Related CN2805983Y (en) | 2005-07-28 | 2005-07-28 | Hydraulic system equipment for |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2805983Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493772C (en) * | 2005-07-28 | 2009-06-03 | 西安重型机械研究所 | Hydraulic system for casting and rolling under dynamic light press |
| CN102189237B (en) * | 2008-12-30 | 2013-04-17 | 内蒙古包钢钢联股份有限公司 | System integration technology for dynamic soft reduction of continuously-cast billet |
| CN104384189A (en) * | 2014-11-13 | 2015-03-04 | 重庆市龙山金属材料有限公司 | Linkage roll adjustment-type rolling mill for rectangular steel tubes |
| CN104832486A (en) * | 2015-05-14 | 2015-08-12 | 中国重型机械研究院股份公司 | Soft reduction hydraulic control device and soft reduction hydraulic control method for square (round) billet caster |
| CN107143549A (en) * | 2017-05-25 | 2017-09-08 | 广东伟业铝厂集团有限公司 | A kind of servo-control system based on extruding production technology |
| CN112576575A (en) * | 2020-12-16 | 2021-03-30 | 太原理工大学 | Hydraulic pressing system of four-upright-column twenty-high rolling mill |
-
2005
- 2005-07-28 CN CN 200520079177 patent/CN2805983Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493772C (en) * | 2005-07-28 | 2009-06-03 | 西安重型机械研究所 | Hydraulic system for casting and rolling under dynamic light press |
| CN102189237B (en) * | 2008-12-30 | 2013-04-17 | 内蒙古包钢钢联股份有限公司 | System integration technology for dynamic soft reduction of continuously-cast billet |
| CN104384189A (en) * | 2014-11-13 | 2015-03-04 | 重庆市龙山金属材料有限公司 | Linkage roll adjustment-type rolling mill for rectangular steel tubes |
| CN104832486A (en) * | 2015-05-14 | 2015-08-12 | 中国重型机械研究院股份公司 | Soft reduction hydraulic control device and soft reduction hydraulic control method for square (round) billet caster |
| CN107143549A (en) * | 2017-05-25 | 2017-09-08 | 广东伟业铝厂集团有限公司 | A kind of servo-control system based on extruding production technology |
| CN112576575A (en) * | 2020-12-16 | 2021-03-30 | 太原理工大学 | Hydraulic pressing system of four-upright-column twenty-high rolling mill |
| CN112576575B (en) * | 2020-12-16 | 2022-04-19 | 太原理工大学 | Hydraulic pressing system of four-upright-column twenty-high rolling mill |
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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: 20060816 Termination date: 20100728 |