CN105508316B - The fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault - Google Patents
The fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault Download PDFInfo
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- CN105508316B CN105508316B CN201410501331.3A CN201410501331A CN105508316B CN 105508316 B CN105508316 B CN 105508316B CN 201410501331 A CN201410501331 A CN 201410501331A CN 105508316 B CN105508316 B CN 105508316B
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Abstract
The present invention relates to for casting ingot is post-processed at the scene or post-processing auxiliary device field, specially a kind of fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault.It is a kind of that hydraulic means, including fuel tank (11) and pressure oil cylinder (12) are depressed based on the fan-shaped section that hydraulic fault is protected, it is characterized in that：Also include accident accumulator group (1), pressure switch (2), first segment discharge orifice (3), proportional pressure-reducing valve (4), the first solenoid directional control valve (5), the second solenoid directional control valve (6), the 3rd solenoid directional control valve (7), the second throttle orifice (8) and hydraulic lock (9).It is a kind of that hydraulic means is depressed based on the fan-shaped section that hydraulic fault is protected, it is characterized in that：During including normal work and error protection.Localization of fault of the present invention is accurate, and automation and intelligence degree are high, improves production efficiency, safe and reliable.
Description
Technical field
The present invention relates to for casting ingot is post-processed at the scene or post-processing auxiliary device field, be specially
A kind of fan-shaped section pressure hydraulic means protected based on hydraulic fault and its application method.
Background technology
There are the following problems for the hydraulic system of existing control fan shaped section driving roller pressure：1. the driving of single Stress control
Hydraulic system under roll-in, casting blank solidification actual condition can not be combined realize segmentation pressure regulation；2. there is the fan-shaped section of fixation pressure subregion
Driven roller depresses hydraulic system, it is possible to achieve subregion pressure regulation meets needs of production, but during produce reality, one
The strand kind and specification of conticaster often need and changed with production, so that the driven roller depressing force of subregion can not be with
The strand of different size matches, so as to influence slab quality；3. during production maintenance, easily occur operative employee's wrong plug pipe
The situation of son, or the phenomenon such as hydraulic hose aging rupture, due to lacking accurate warning system, field maintenance person can not be accurate
True alignment error position is excluded in time, directly contributes functional fault, or oil circuit leakage, the standby high-pressure pump of error starting, or even master
Pump group full cut-off, which is produced, jumps pump phenomenon, so that influence production.
The content of the invention
In order to overcome the defect of prior art to be protected there is provided a kind of registration, automation and the high casting of intelligence degree
Hinder equipment, the invention discloses a kind of fan-shaped section pressure hydraulic means protected based on hydraulic fault and its application method.
The present invention reaches goal of the invention by following technical solution：
It is a kind of that hydraulic means, including fuel tank and pressure oil cylinder, fuel tank and pressure are depressed based on the fan-shaped section that hydraulic fault is protected
Connected between lower oil cylinder by oil pipe, it is characterized in that：Also include accident accumulator group, pressure switch, first segment discharge orifice, ratio
Pressure-reducing valve, the first solenoid directional control valve, the second solenoid directional control valve, the 3rd solenoid directional control valve, the second throttle orifice and hydraulic lock,
Fuel tank, which is provided with first segment discharge orifice, first segment discharge orifice, is provided with pressure switch；
Proportional pressure-reducing valve is in series with first segment discharge orifice and pressure oil cylinder on p-type oil pipe connection fuel tank, p-type oil pipe；
T-shaped oil pipe connects the second throttle orifice of being connected on fuel tank and pressure oil cylinder, T-shaped oil pipe；
PE types oil pipe connects and is in series with the second solenoid directional control valve on fuel tank and pressure oil cylinder, PE type oil pipes；
One end connection fuel tank of L-type oil pipe；
Two hydraulic fluid ports of the first solenoid directional control valve connect the throttle orifice and L-type oil pipe on fuel tank, the 3rd by oil pipe respectively
Two hydraulic fluid ports of solenoid directional control valve be connected on respectively on p-type oil pipe and T-shaped oil pipe on；
All tandem hydraulic is locked on p-type oil pipe, T-shaped oil pipe, PE types oil pipe and L-type oil pipe；
Accident accumulator group connects pressure switch, proportional pressure-reducing valve, the first solenoid directional control valve, the second electricity by signal wire
Magnetic reversal valve, the 3rd solenoid directional control valve and hydraulic lock.
The described application method that hydraulic means is depressed based on the fan-shaped section that hydraulic fault is protected, it is characterized in that：By as follows
Step is implemented：
A. during normal work, the hydraulic oil in fuel tank enters proportional pressure-reducing valve by first segment discharge orifice through p-type oil pipe, than
Example pressure-reducing valve needs to set up decompressed pressure in advance according to production model, and subsequent hydraulic oil enters the 3rd solenoid directional control valve, while the
One solenoid directional control valve obtains electric, and hydraulic lock is opened, and hydraulic oil enters pressure oil cylinder, and subsequent hydraulic oil is through the second throttle orifice and the 3rd electricity
Magnetic reversal valve returns to fuel tank, and pressure oil cylinder completes driven roller pressure action, when the 3rd solenoid directional control valve commutates, and hydraulic oil passes through
3rd solenoid directional control valve completes driven roller enhancing action to lift cylinder；
B. error protection：
When workshop is powered off suddenly causes hydraulic station high pressure pump group to provide hydraulic oil, accident accumulator group is not as between
Power-off source provides pressurize power source, and the second solenoid directional control valve obtains electric opening PE type oil pipes by accident accumulator group, and pressure oil enters
Enter to depress oil cylinder and complete pressurize, pressurize measure provides the accident emergency time for field maintenance person；
When the pipeline for depressing oil cylinder breaks down, particularly hose fracture, when joint leakage, now by the
The flow of one throttle orifice hydraulic oil can become big, and the pressure difference of first segment discharge orifice both sides becomes big, when pressure difference reaches setting alarming value, pressure
Power alarm relay, the 3rd solenoid directional control valve powers off back middle position, and the first solenoid directional control valve dead electricity makes the locked pressure oil cylinder of hydraulic lock,
Hydraulic oil is avoided to be leaked because of pipeline problem, while scene point inspection determines that failure happening part is excluded in time by alert locations；
When the 3rd solenoid directional control valve, which breaks down, to be powered off, now depress oil cylinder and be in quick condition, the first electromagnetic switch
Valve dead electricity makes the locked pressure oil cylinder of hydraulic lock, it is to avoid driven roller pressure failure.
C. it is segmented stepless voltage regulation：Due to casting blank solidification situation it is different, it is necessary to fan shaped section driving roller depressing force it is different, it is necessary to
Fan-shaped section is divided to set, as strand description changes, the pressure of fan shaped section driving roller pressure hydraulic system changes therewith, due to
Adoption rate pressure-reducing valve can realize remote stepless pressure regulation, with on-line width adjustment technology application, in the case of non-stop-machine, complete
Casting blank specification is changed, the driven roller depressing force models switching of cooperation, so as to improve slab quality, increases yield.
The present invention has adapted to industrial automatization requirement and increased and the trend of live check staff increasingly reduction, meets
Field maintenance person needs to have the failure in production process more accurately positioning, while to there is certain preliminary automatic solution energy
The requirement of power.The present invention possesses the energy that segmentation stepless voltage regulation is realized with reference to casting blank solidification actual condition based on hydraulic fault protection
Power, is suitable for being actually needed for different slab descriptions.During the emergency having a power failure suddenly at reply scene, accident accumulator
Group can provide hydraulic power source pressurize and avoid accident;Also there are corresponding alarm and protection measure, Neng Gouzhun when tackling circuit failure
Each section is really navigated to, maintenance efficiency is so improved；The present invention is also equipped with function of automatically cutting off, and anti-locking system jumps pump.
The beneficial effects of the invention are as follows：Localization of fault is accurate, and automation and intelligence degree are high, improve production efficiency,
It is safe and reliable.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the schematic diagram of the present invention.
Embodiment
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
It is a kind of that hydraulic means, including fuel tank 11, pressure oil cylinder 12, accident storage are depressed based on the fan-shaped section that hydraulic fault is protected
Can device group 1, pressure switch 2, first segment discharge orifice 3, proportional pressure-reducing valve 4, the first solenoid directional control valve 5, the second solenoid directional control valve 6,
3rd solenoid directional control valve 7, the second throttle orifice 8 and hydraulic lock 9, as shown in Figure 1 to 4, concrete structure is：
Connected between fuel tank 11 and pressure oil cylinder 12 by oil pipe；
Fuel tank 11, which is provided with first segment discharge orifice 3, first segment discharge orifice 3, is provided with pressure switch 2；
Connected on first segment discharge orifice 3 and pressure oil cylinder 12 on the connection fuel tank 11 of p-type oil pipe 21, p-type oil pipe 21 proportional
Pressure-reducing valve 4；
T-shaped oil pipe 22 connects the second throttle orifice 8 of being connected on fuel tank 11 and pressure oil cylinder 12, T-shaped oil pipe 22；
PE types oil pipe 23 connects and is in series with the second solenoid directional control valve 6 on fuel tank 11 and pressure oil cylinder 12, PE types oil pipe 23；
One end connection fuel tank 11 of L-type oil pipe 24；
Two hydraulic fluid ports of the first solenoid directional control valve 5 connect the throttle orifice 3 and L-type oil pipe on fuel tank 11 by oil pipe respectively
24, two hydraulic fluid ports of the 3rd solenoid directional control valve 7 be connected on respectively on p-type oil pipe 21 and T-shaped oil pipe 22 on；
All tandem hydraulic locks 9 on p-type oil pipe 21, T-shaped oil pipe 22, PE types oil pipe 23 and L-type oil pipe 24；
Accident accumulator group 1 connects pressure switch 2, proportional pressure-reducing valve 4, the first solenoid directional control valve 5, the by signal wire
Two solenoid directional control valves 6, the 3rd solenoid directional control valve 7 and hydraulic lock 9.
The present embodiment in use, with reference to Fig. 4, implement as follows：
A. during normal work, the hydraulic oil in fuel tank 11 enters ratio through p-type oil pipe 21 by first segment discharge orifice 3 and depressurized
Valve 4, proportional pressure-reducing valve 4 needs to set up decompressed pressure in advance according to production model, and subsequent hydraulic oil enters the 3rd solenoid directional control valve
7, while the first solenoid directional control valve 5 obtains electric, hydraulic lock 9 is opened, and hydraulic oil enters pressure oil cylinder 12, and subsequent hydraulic oil is through second section
The solenoid directional control valve 7 of discharge orifice 8 and the 3rd returns to fuel tank 11, and pressure oil cylinder 12 completes driven roller pressure action, when the 3rd electromagnetic switch
When valve 7 commutates, hydraulic oil completes driven roller enhancing action by the 3rd solenoid directional control valve 7 to lift cylinder；
B. error protection：
When workshop is powered off suddenly causes hydraulic station high pressure pump group to provide hydraulic oil, accident accumulator group 1 is not as
Uninterruptible power provides pressurize power source, and the second solenoid directional control valve 6 obtains electric opening PE types oil pipe 23, pressure by accident accumulator group 1
Power oil enters pressure oil cylinder 12 and completes pressurize, and pressurize measure provides the accident emergency time for field maintenance person；
When the pipeline for depressing oil cylinder 12 breaks down, particularly hose fracture when joint leakage, now passes through
The flow of the hydraulic oil of first segment discharge orifice 3 can become big, and the pressure difference of the both sides of first segment discharge orifice 3 becomes big, when pressure difference reaches setting alarming value
When, pressure switch 2 is alarmed, and the 3rd solenoid directional control valve 7 powers off back middle position, and the dead electricity of the first solenoid directional control valve 5 makes hydraulic lock 9 locked
Oil cylinder 12 is depressed, it is to avoid hydraulic oil is leaked because of pipeline problem, while scene point inspection determines failure happening part by alert locations
Exclude in time；
When the 3rd solenoid directional control valve 7, which breaks down, to be powered off, now depress oil cylinder 12 and be in quick condition, the first electromagnetism is changed
Make the locked pressure oil cylinder 12 of hydraulic lock 9 to the dead electricity of valve 5, it is to avoid driven roller pressure failure.
C. it is segmented stepless voltage regulation：Due to casting blank solidification situation it is different, it is necessary to fan shaped section driving roller depressing force it is different, it is necessary to
Fan-shaped section is divided to set, as strand description changes, the pressure of fan shaped section driving roller pressure hydraulic system changes therewith, due to
Adoption rate pressure-reducing valve 4 can realize remote stepless pressure regulation, complete in the case of non-stop-machine with on-line width adjustment technology application
Into casting blank specification conversion, the driven roller depressing force models switching of cooperation, so as to improve slab quality, increase yield.
Claims (1)
1. a kind of application method that hydraulic means is depressed based on the fan-shaped section that hydraulic fault is protected, the fan protected based on hydraulic fault
Shape section pressure hydraulic means includes fuel tank (11), pressure oil cylinder (12), accident accumulator group (1), pressure switch (2), first
Throttle orifice (3), proportional pressure-reducing valve (4), the first solenoid directional control valve (5), the second solenoid directional control valve (6), the 3rd solenoid directional control valve
(7), the second throttle orifice (8) and hydraulic lock (9),
Connected between fuel tank (11) and pressure oil cylinder (12) by oil pipe, fuel tank (11) is provided with first segment discharge orifice (3), first segment
Pressure switch (2) is provided with discharge orifice (3)；
Connected on first segment discharge orifice (3) and pressure oil cylinder (12) on p-type oil pipe (21) connection fuel tank (11), p-type oil pipe (21)
Proportional pressure-reducing valve (4)；
T-shaped oil pipe (22) connects the second throttle orifice (8) of being connected on fuel tank (11) and pressure oil cylinder (12), T-shaped oil pipe (22)；
The second solenoid directional control valve is in series with PE types oil pipe (23) connection fuel tank (11) and pressure oil cylinder (12), PE types oil pipe (23)
(6)；
One end connection fuel tank (11) of L-type oil pipe (24)；
Two hydraulic fluid ports of the first solenoid directional control valve (5) connect the throttle orifice (3) and L-type oil pipe on fuel tank (11) by oil pipe respectively
(24), two hydraulic fluid ports of the 3rd solenoid directional control valve (7) be connected on respectively on p-type oil pipe (21) and T-shaped oil pipe (22) on；
All tandem hydraulic locks (9) on p-type oil pipe (21), T-shaped oil pipe (22), PE types oil pipe (23) and L-type oil pipe (24)；
Accident accumulator group (1) connects pressure switch (2), proportional pressure-reducing valve (4), the first solenoid directional control valve by signal wire
(5), the second solenoid directional control valve (6), the 3rd solenoid directional control valve (7) and hydraulic lock (9)；
It is characterized in that：Implement as follows：
A. during normal work, the hydraulic oil in fuel tank (11) is subtracted by first segment discharge orifice (3) through p-type oil pipe (21) into ratio
Pressure valve (4), proportional pressure-reducing valve (4) needs to set up decompressed pressure in advance according to production model, and subsequent hydraulic oil enters the 3rd electromagnetism
Reversal valve (7), while the first solenoid directional control valve (5) obtains electric, hydraulic lock (9) is opened, and hydraulic oil enters pressure oil cylinder (12), then
Hydraulic oil returns to fuel tank (11) through the second throttle orifice (8) and the 3rd solenoid directional control valve (7), and pressure oil cylinder (12) completes driving roll-in
Lower action, when the 3rd solenoid directional control valve (7) commutates, hydraulic oil completes to drive by the 3rd solenoid directional control valve (7) to lift cylinder
Dynamic roller enhancing action；
B. error protection：
When unexpected power-off causes hydraulic station high pressure pump group to provide hydraulic oil, accident accumulator group (1) is used as uninterrupted electricity
Source provides pressurize power source, and the second solenoid directional control valve (6) obtains electric opening PE types oil pipe (23), pressure by accident accumulator group (1)
Power oil enters pressure oil cylinder (12) and completes pressurize；
When the pipeline for depressing oil cylinder (12) breaks down, now it can become big by the flow of first segment discharge orifice (3) hydraulic oil, the
The pressure difference of one throttle orifice (3) both sides becomes big, and when pressure difference reaches setting alarming value, pressure switch (2) alarm, the 3rd electromagnetism is changed
Powered off to valve (7), the first solenoid directional control valve (5) dead electricity makes the locked pressure oil cylinder (12) of hydraulic lock (9), it is to avoid hydraulic oil is because of pipeline
Problem is leaked；
When the 3rd solenoid directional control valve (7), which breaks down, to be powered off, now depress oil cylinder (12) and be in quick condition, the first electromagnetism is changed
Make the locked pressure oil cylinder (12) of hydraulic lock (9) to valve (5) dead electricity, it is to avoid driven roller pressure failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501331.3A CN105508316B (en) | 2014-09-26 | 2014-09-26 | The fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501331.3A CN105508316B (en) | 2014-09-26 | 2014-09-26 | The fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault |
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| Publication Number | Publication Date |
|---|---|
| CN105508316A CN105508316A (en) | 2016-04-20 |
| CN105508316B true CN105508316B (en) | 2017-08-25 |
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| CN201410501331.3A Active CN105508316B (en) | 2014-09-26 | 2014-09-26 | The fan-shaped section pressure hydraulic means and its application method protected based on hydraulic fault |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112985861B (en) * | 2021-02-19 | 2022-08-09 | 北京首钢自动化信息技术有限公司 | Fault diagnosis method for sector section of withdrawal and straightening machine |
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| CN201020530Y (en) * | 2007-03-29 | 2008-02-13 | 上海梅山钢铁股份有限公司 | Multiloop controlled molten steel sack sliding gate hydraulic system |
| CN101658926A (en) * | 2009-10-13 | 2010-03-03 | 新兴铸管股份有限公司 | Hydraulic control system of tundish water gap of continuous casting machine |
| CN202021326U (en) * | 2011-02-17 | 2011-11-02 | 中冶连铸技术工程股份有限公司 | Automatic roll gap regulation hydraulic system of square billet withdrawal and straightening unit |
| CN103486092A (en) * | 2013-09-14 | 2014-01-01 | 中国重型机械研究院股份公司 | Hydraulic stopper rod control system |
| CN103883578A (en) * | 2014-02-26 | 2014-06-25 | 中国重型机械研究院股份公司 | Novel hydraulic control system for sliding gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5561305A (en) * | 1978-10-27 | 1980-05-09 | Hitachi Ltd | Hydraulic rolling mill using aqueous system hydraulic fluid |
| JP2677934B2 (en) * | 1992-08-31 | 1997-11-17 | 新日本製鐵株式会社 | Roll balance method in rolling mill rolling mill |
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2014
- 2014-09-26 CN CN201410501331.3A patent/CN105508316B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020530Y (en) * | 2007-03-29 | 2008-02-13 | 上海梅山钢铁股份有限公司 | Multiloop controlled molten steel sack sliding gate hydraulic system |
| CN101658926A (en) * | 2009-10-13 | 2010-03-03 | 新兴铸管股份有限公司 | Hydraulic control system of tundish water gap of continuous casting machine |
| CN202021326U (en) * | 2011-02-17 | 2011-11-02 | 中冶连铸技术工程股份有限公司 | Automatic roll gap regulation hydraulic system of square billet withdrawal and straightening unit |
| CN103486092A (en) * | 2013-09-14 | 2014-01-01 | 中国重型机械研究院股份公司 | Hydraulic stopper rod control system |
| CN103883578A (en) * | 2014-02-26 | 2014-06-25 | 中国重型机械研究院股份公司 | Novel hydraulic control system for sliding gate |
Non-Patent Citations (1)
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| CN105508316A (en) | 2016-04-20 |
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