CN102363209A - Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section - Google Patents
Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section Download PDFInfo
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- CN102363209A CN102363209A CN2011103356616A CN201110335661A CN102363209A CN 102363209 A CN102363209 A CN 102363209A CN 2011103356616 A CN2011103356616 A CN 2011103356616A CN 201110335661 A CN201110335661 A CN 201110335661A CN 102363209 A CN102363209 A CN 102363209A
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- hydraulic cylinder
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Abstract
The invention relates to a remote roll gap adjusting hydraulic cylinder valve mechanism for a fan-shaped section. The mechanism is characterized in that: an electrohydraulic servo valve, a displacement sensor and a pressure sensor are directly arranged on a back end cover of a servo hydraulic cylinder. The device has a simple and compact structure; and a middle valve block is eliminated, so that the manufacturing cost is lowered. In the invention, by adopting an integral structure, the length of a fluid channel is reduced, the dynamic rigidity and response rapidity of a system are increased, different control functions are easy to realize, the performance is reliable, convenience is brought to assembly, disassembly and maintenance, and the service life is long.
Description
Technical field
The invention belongs to a kind of hydraulic means, the long-range accent roll gap of particularly a kind of fan-shaped section hydraulic cylinder valve gear.It can realize the Hydraulic Servo Control function that the long-range roll gap of continuous casting machine fan-shaped segment is regulated and conticaster is dynamically gently depressed.
Background technology
The long-range accent roll gap of fan-shaped section hydraulic cylinder valve gear is made up of executive component (servo hydraulic cylinder), control element (electrohydraulic servo valve), detecting element (displacement transducer and pressure sensor) etc. usually.Control removes to control executive component (servo hydraulic cylinder) with detecting element through a control valve device, because many control valve devices make pipeline complicated, oil circuit increases, dynamic property decline.The existence of intermediate controlled valve gear makes pipe arrangement complicated, and the leakage of oil point increases, and reliability reduces.Also increased simultaneously manufacturing cost.
Summary of the invention
The purpose of this invention is to provide a kind of have good dynamic stability and response rapidity, and the long-range accent roll gap of the fan-shaped section of low cost of manufacture hydraulic cylinder valve system.
So; The long-range accent roll gap of fan-shaped section provided by the present invention hydraulic cylinder valve system; Comprise servo hydraulic cylinder, electrohydraulic servo valve, displacement transducer and pressure sensor; Its special character is that electrohydraulic servo valve, displacement transducer and pressure sensor are directly installed on the said servo hydraulic cylinder rear end cap.
Thereby in above-mentioned servo hydraulic cylinder rear end cap is provided with the handicapping Buddhist nun with electrohydraulic servo valve control change first Sandwich plate valve that high-speed switch valve adds the control mode of damping into, be implemented in fuel feeding cut off servo hydraulic cylinder two chambeies, back pressure holding function second Sandwich plate valve and realize the safeguard protection of servo hydraulic cylinder two cavity pressures and the 3rd Sandwich plate valve of long-range pressure release function.
Above-mentioned first Sandwich plate valve is installed in the left side of the rear end cap of servo hydraulic cylinder, and second Sandwich plate valve is installed in the top of the rear end cap of servo hydraulic cylinder, and the 3rd Sandwich plate valve is installed in the right of servo hydraulic cylinder rear end cap.
Above-mentioned displacement transducer is arranged on the center of the rear end cap of servo hydraulic cylinder; Said pressure sensor is two, and one of them is arranged on the right of the 3rd Sandwich plate valve, and another pressure sensor then is set in place the below of displacement sensor.
Above-mentioned servo hydraulic cylinder rear end cap is provided with protective cover; And this protective cover seals, and is filled with the refrigerating gas that prevents that heat radiation and condensed water from working the mischief to electrohydraulic servo valve, displacement transducer, pressure sensor, first Sandwich plate valve, second Sandwich plate valve and the 3rd Sandwich plate valve in it.
Above-mentioned refrigerating gas is nitrogen or instrument compressed air, and the pressure of this refrigerating gas is 0.4～0.7MPa.
Above-mentioned protective cover right-hand member is provided with inspection cover, and its top is provided with the integrated wiring box.
Advantage of the present invention: simple and compact for structure, omitted the intermediate valve piece, reduced manufacturing cost.This integrated structure has shortened the length of fluid passage, the dynamic stiffiness that helps improving system with the response rapidity, easily realize Different control function, dependable performance, mounting or dismounting are easy to maintenance and long service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the right view (not containing protective cover) of Fig. 1.
Description of reference numerals: 1, inspection cover; 2, protective cover; 3, electrohydraulic servo valve; 4, displacement transducer; 5,9, pressure sensor; 6, integrated wiring box; 7, servo hydraulic cylinder rear end cap; 8, servo hydraulic cylinder body; 10, the first Sandwich plate valve group; 11, the second Sandwich plate valve group; 12, the 3rd Sandwich plate valve group.
The specific embodiment
Embodiment 1
:The long-range accent roll gap of this fan-shaped section hydraulic cylinder valve system; Comprise servo hydraulic cylinder, electrohydraulic servo valve, displacement transducer and pressure sensor; The long-range accent roll gap of the fan-shaped section that present embodiment provided hydraulic cylinder valve system, its electrohydraulic servo valve 3, displacement transducer 4, pressure sensor 5 are directly installed on the servo hydraulic cylinder rear end cap 7, and be simple and compact for structure; Omit the intermediate valve piece, reduced manufacturing cost.This integrated structure has shortened the length of fluid passage, helps improving the dynamic stiffiness and response rapidity of system.
Thereby in can being provided with on the servo hydraulic cylinder rear end cap 7 the handicapping Buddhist nun with electrohydraulic servo valve control change first Sandwich plate valve 10 that high-speed switch valve adds the control mode of damping into, be implemented in fuel feeding cut off servo hydraulic cylinder two chambeies, back pressure holding function second Sandwich plate valve 11 and realize the safeguard protection of servo hydraulic cylinder two cavity pressures and the 3rd Sandwich plate valve 12 of long-range pressure release function.Parts that present embodiment is not described in detail and structure belong to well-known components and the common structure or the conventional means not narration one by one here of the industry.
Embodiment 2: as depicted in figs. 1 and 2; Its left side that is installed in servo hydraulic cylinder rear end cap 7 at first Sandwich plate valve 10 as shown in Figure 2 on the basis of the above; Second Sandwich plate valve 11 is installed in the top of servo hydraulic cylinder rear end cap 7, and the 3rd Sandwich plate valve 12 is installed in the right of servo hydraulic cylinder rear end cap 7.
Displacement transducer 4 can be arranged on the center of servo hydraulic cylinder rear end cap 7; Pressure sensor 5 is two, and one of them is arranged on the right of the 3rd Sandwich plate valve 12,9 belows that are set in place displacement sensor 4 of another pressure sensor.
Can be provided with protective cover 2 on the servo hydraulic cylinder rear end cap 7; And this protective cover 2 seals, and is filled with the refrigerating gas that prevents that heat radiation and condensed water from working the mischief to electrohydraulic servo valve 3, displacement transducer 4, pressure sensor 5,9, the first Sandwich plate valves 10, second Sandwich plate valve 11 and the 3rd Sandwich plate valve 12 in it; Refrigerating gas can adopt nitrogen or instrument compressed air; Gas pressure is generally 0.4～0.7MPa, and control element and detecting element are protected, and prevents the harm to the hydraulic pressure electrical equipment of heat radiation and condensed water; Improve the environmental condition of control element and detecting element work, improved the reliability of servo-drive system.
Protective cover 2 right-hand members can be provided with inspection cover 1, have made things convenient for on-the-spot maintenance and inspection; Its top is provided with integrated wiring box 6.
Simple and compact for structure, omitted the intermediate valve piece, reduced manufacturing cost.This integrated structure has shortened the length of fluid passage, the dynamic stiffiness that helps improving system with the response rapidity, easily realize Different control function, dependable performance, mounting or dismounting are easy to maintenance and long service life.
Claims (7)
1. the long-range accent roll gap of fan-shaped section hydraulic cylinder valve system; Comprise servo hydraulic cylinder, electrohydraulic servo valve, displacement transducer and pressure sensor, it is characterized in that: said electrohydraulic servo valve, displacement transducer and pressure sensor are directly installed on the said servo hydraulic cylinder rear end cap.
2. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 1 hydraulic cylinder valve system is characterized in that: thus said servo hydraulic cylinder rear end cap be provided with in the handicapping Buddhist nun with electrohydraulic servo valve control change first Sandwich plate valve that high-speed switch valve adds the control mode of damping into, be implemented in fuel feeding cut off servo hydraulic cylinder two chambeies, back pressure holding function second Sandwich plate valve and realize the safeguard protection of servo hydraulic cylinder two cavity pressures and the 3rd Sandwich plate valve of long-range pressure release function.
3. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 2 hydraulic cylinder valve system; It is characterized in that: said first Sandwich plate valve is installed in the left side of servo hydraulic cylinder rear end cap; Second Sandwich plate valve is installed in the top of servo hydraulic cylinder rear end cap, and the 3rd Sandwich plate valve is installed in the right of the rear end cap of servo hydraulic cylinder.
4. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 1 hydraulic cylinder valve system, it is characterized in that: said displacement transducer is arranged on the center of the rear end cap of servo hydraulic cylinder; Said pressure sensor is two, and one of them is arranged on the right of the 3rd Sandwich plate valve, and another pressure sensor then is set in place the below of displacement sensor.
5. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 4 hydraulic cylinder valve system; It is characterized in that: said servo hydraulic cylinder rear end cap is provided with protective cover; And this protective cover seals, and is filled with the refrigerating gas that prevents that heat radiation and condensed water from working the mischief to electrohydraulic servo valve, displacement transducer, pressure sensor, first Sandwich plate valve, second Sandwich plate valve and the 3rd Sandwich plate valve in it.
6. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 5 hydraulic cylinder valve system, it is characterized in that: said refrigerating gas is nitrogen or instrument compressed air, and the pressure of this refrigerating gas is 0.4～0.7MPa.
7. the long-range accent roll gap of a kind of fan-shaped section as claimed in claim 5 hydraulic cylinder valve system, it is characterized in that: said protective cover right-hand member is provided with inspection cover, and its top is provided with the integrated wiring box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103356616A CN102363209A (en) | 2011-10-31 | 2011-10-31 | Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103356616A CN102363209A (en) | 2011-10-31 | 2011-10-31 | Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section |
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| Publication Number | Publication Date |
|---|---|
| CN102363209A true CN102363209A (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103356616A Pending CN102363209A (en) | 2011-10-31 | 2011-10-31 | Remote roll gap adjusting hydraulic cylinder valve mechanism for fan-shaped section |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736632A (en) * | 2005-08-08 | 2006-02-22 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN201133390Y (en) * | 2007-12-19 | 2008-10-15 | 中国重型机械研究院 | Cylinder valve integrated servo-vibration hydraulic cylinder device |
| CN201546765U (en) * | 2009-11-18 | 2010-08-11 | 新懿机电技术发展(西安)有限公司 | Hydraulic servocontrol device for turbine of TRT |
| CN202278164U (en) * | 2011-10-31 | 2012-06-20 | 中国重型机械研究院有限公司 | Hydraulic cylinder valve device for remotely adjusting roll gap of segment |
-
2011
- 2011-10-31 CN CN2011103356616A patent/CN102363209A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736632A (en) * | 2005-08-08 | 2006-02-22 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN201133390Y (en) * | 2007-12-19 | 2008-10-15 | 中国重型机械研究院 | Cylinder valve integrated servo-vibration hydraulic cylinder device |
| CN201546765U (en) * | 2009-11-18 | 2010-08-11 | 新懿机电技术发展(西安)有限公司 | Hydraulic servocontrol device for turbine of TRT |
| CN202278164U (en) * | 2011-10-31 | 2012-06-20 | 中国重型机械研究院有限公司 | Hydraulic cylinder valve device for remotely adjusting roll gap of segment |
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Application publication date: 20120229 |