CN108691852A - Slighter compress block calibration system and scaling method - Google Patents
Slighter compress block calibration system and scaling method Download PDFInfo
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- CN108691852A CN108691852A CN201710215774.XA CN201710215774A CN108691852A CN 108691852 A CN108691852 A CN 108691852A CN 201710215774 A CN201710215774 A CN 201710215774A CN 108691852 A CN108691852 A CN 108691852A
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- pressure
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- slighter compress
- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- Chemical & Material Sciences (AREA)
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- Fluid Mechanics (AREA)
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- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of slighter compress block calibration systems, it is characterized in that, the slighter compress block calibration system includes high pressure pumping source, proportional pressure-reducing valve, pressure sensor, high-pressure flowmeter, pressure sensor, displacement sensor, pressure sensor, pressure sensor, slighter compress block, electric cabinet, computer and printer, the high pressure pump valve connects proportional pressure-reducing valve by pipeline, high-pressure flowmeter, the high pressure pumping source, proportional pressure-reducing valve, high-pressure flowmeter is connect with electric cabinet by pipeline, the high-pressure flowmeter connects slighter compress block by pipeline, the slighter compress block connects electric cabinet by pipeline, the electric cabinet connects computer, the computer connects printer, the other side of the slighter compress block connects electric cabinet by pipeline, it is provided with pressure sensor on the pipeline, displacement sensor and pressure sensor.
Description
Technical field
The present invention relates to a kind of slighter compress block calibration system and scaling methods, belong to conticaster control technology field.
Background technology
In order to which the internal soundness for improving steel is enhanced product performance in continuous casting, soft reduction technique is answered extensively
With.So-called slighter compress refers to just by being applied around pressure in continuous casting wick-containing end, generating certain drafts to compensate strand
Solidification shrinkage amount.Slighter compress is realized by the pressure roller oil cylinder position control of fan-shaped section, the hydraulic pressure of control cylinder action
Integrated package is slighter compress block.Dynamic soft-reduction integrated package includes reversal valve, shuttle valve, sequence valve, safety valve, check valve, fixed knot
Head piece, these valves are all playing motionless effect, therefore have different requirements and setting value, and the depressing force of each section of slighter compress is not
Equally, the hydraulic valve of slighter compress block is corresponding with different settings.Hydraulic valve in use has abrasion and setting value drift, makes
With needing to re-scale after certain time limit, the slighter compress block after maintenance needs new calibration.In view of present situation, urgent need is a kind of new
Scheme solve the technical problem.
Invention content
The present invention exactly for the technical problems in the prior art, provides a kind of slighter compress block calibration system, the skill
Art scheme can solve the requirement of the different sections of upper slighter compress block setting values installed by the method.
To achieve the goals above, technical scheme is as follows, and a kind of slighter compress block calibration system, feature exists
In the slighter compress block calibration system includes high pressure pumping source, proportional pressure-reducing valve, pressure sensor, high-pressure flowmeter, pressure sensing
Device, displacement sensor, pressure sensor, pressure sensor, slighter compress block, electric cabinet(PLC), computer and printer, it is described
High pressure pump valve connects proportional pressure-reducing valve, high-pressure flowmeter, the high pressure pumping source, proportional pressure-reducing valve, high-pressure flowmeter by pipeline
It is connect with electric cabinet by pipeline, the high-pressure flowmeter connects slighter compress block by pipeline, and the slighter compress block passes through pipe
Line connects electric cabinet, and the electric cabinet connects computer, and the computer connects printer, and the other side of the slighter compress block passes through pipe
Line connects electric cabinet, and pressure sensor, displacement sensor and pressure sensor are provided on the pipeline.In calibration, profit
The high pressure oil provided with pumping plant is by proportional pressure-reducing valve, and intelligence system sets up the pressure for the slighter compress block for entering calibration, and record is simultaneously
The pressure value for comparing corresponding pressure sensor demarcates overflow valve and sequence valve;By flowmeter and with displacement sensor
Oil cylinder is handled by smart machine and is demarcated to restriction latus rectum and slighter compress block internal leakage.So complete to slighter compress
Flow, pressure of block etc. are demarcated.
A kind of slighter compress block scaling method, which is characterized in that the described method comprises the following steps, step 1:Equipment is installed,
Slighter compress block is installed on detection device, and confirms that smart machine and display equipment are normal, confirms that hydraulic power source is normal, for examining
The sensor transmissions current signal of measurement equipment, smart machine convert current signal to corresponding pressure value or flow value, record
And by showing that equipment shows calibration process value;
Step 2:Sequence valve is demarcated:Smart machine voluntarily inputs continuously linear signal to proportional pressure-reducing valve, and proportional pressure-reducing valve is to light
The pressure oil-source of block input setting, while pressure sensor feedback pressure force value P3 are depressed, while the solenoid valve on slighter compress block obtains
Electricity, fluid cross restriction through sequence valve and reach oil cylinder, while displacement sensing while pressure sensor feedback pressure force value cylinder action
Device 6 feeds back shift value L, and oil cylinder starting i.e. displacement sensor is when changing, and acts at this time on sequence valve and the sum of pressure
The as calibration value of sequence valve;
Step 3:Overflow valve is demarcated:Oil cylinder on earth after, proportional pressure-reducing valve, which continues to improve, to be given to overflow valve overflow, and pressure passes at this time
The show value of sensor is the calibration value of corresponding overflow valve;
Step 4:Restriction is demarcated:Calculating outflow Q, P3-P5 or P7 according to displacement sensor value of feedback and oil cylinder parameter must be right
The pressure difference for answering restriction, to calculate restriction latus rectum;
Step 5:Slighter compress block internal leakage is demarcated:The flow value of flowmeter subtracts displacement sensor value of feedback and oil cylinder parameter calculates
Outflow Q is internal leakage;
Step 6:Calibration value is handled, and will be in the be recorded in journal file of calibration value.
Compared with the existing technology, the invention has the advantages that, 1)The technical solution realizes data automatic Calibration, improves
Stated accuracy;2)The technical solution highly shortened the nominal time, improve calibration efficiency;3)The technical solution reduces people
Power, it is only necessary to which proving operation can be completed in a people;4)The technical solution issues nominal data using smart machine, greatly improves
The success rate that nominal data issues.
Description of the drawings
Fig. 1 overall structure of the present invention;
Fig. 2 scaling method flow chart of steps of the present invention;
In figure:1, high pressure pumping source, 2, proportional pressure-reducing valve, 3, pressure sensor, 4, high-pressure flowmeter, 5, pressure sensor, 6, position
Displacement sensor, 7, pressure sensor, 8, pressure sensor, 9, slighter compress block, 10 electric cabinets(PLC), 11, computer, 12, printing
Machine.
Specific implementation mode:
In order to deepen the understanding of the present invention, the present embodiment is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:Referring to Fig. 1, a kind of slighter compress block calibration system, the slighter compress block calibration system includes high pressure pumping source
1, proportional pressure-reducing valve 2, pressure sensor 3, high-pressure flowmeter 4, pressure sensor 5, displacement sensor 6, pressure sensor 7, pressure
Force snesor 8, slighter compress block 9, electric cabinet(PLC)10, computer 11 and printer 12, the high pressure pump valve 1 are connected by pipeline
Connect proportional pressure-reducing valve, high-pressure flowmeter, the high pressure pumping source 1, proportional pressure-reducing valve 2, high-pressure flowmeter 4 by pipeline with it is automatically controlled
Case connects, and the high-pressure flowmeter connects slighter compress block by pipeline, and the slighter compress block connects electric cabinet by pipeline, described
Electric cabinet connects computer, and the computer connects printer, and the other side of the slighter compress block connects electric cabinet by pipeline, described
Pressure sensor, displacement sensor and pressure sensor are provided on pipeline.In calibration, the high pressure oil of pumping plant offer is utilized
By proportional pressure-reducing valve, intelligence system sets up the pressure for the slighter compress block for entering calibration, records and compare corresponding pressure sensor
Pressure value overflow valve and sequence valve are demarcated;By flowmeter and with the oil cylinder of displacement sensor, by smart machine
Restriction latus rectum and slighter compress block internal leakage are demarcated in processing.So complete to flow, pressure of slighter compress block etc. into
Rower is fixed.
Embodiment 2:Referring to Fig. 1, Fig. 2, in calibration, as shown 1, calibration personnel every time to the value of slighter compress block upper valve into
Row is set up, and is then loaded by proportional pressure-reducing valve, is carried out pressure calibration by the matching value of pressure sensor, is passed through flow rate calculation
Demarcate latus rectum and leakage rate.
Slighter compress block scaling method, the described method comprises the following steps,
Step 1:Equipment is installed, slighter compress block is installed on detection device, and confirms that smart machine and display equipment are normal, really
Recognize that hydraulic power source is normal, is used for the sensor transmissions current signal of detection device, smart machine converts current signal to corresponding
Pressure value or flow value record and by showing that equipment shows calibration process value;
Step 2:Sequence valve is demarcated:Smart machine voluntarily inputs continuously linear signal to proportional pressure-reducing valve, and proportional pressure-reducing valve 2 is to light
The pressure oil-source of block input setting, while 3 feedback pressure force value P3 of pressure sensor are depressed, while the solenoid valve on slighter compress block obtains
Electricity, fluid cross restriction through sequence valve and reach oil cylinder, while displacement while 5,7,8 feedback pressure force value cylinder action of pressure sensor
Sensor 6 feeds back shift value L, and oil cylinder starting i.e. displacement sensor is when changing, and acts at this time on sequence valve and pressure
The sum of be sequence valve calibration value;
Step 3:Overflow valve is demarcated:Oil cylinder on earth after, proportional pressure-reducing valve, which continues to improve, to be given to overflow valve overflow, and pressure passes at this time
The show value of sensor 5,7 is the calibration value of corresponding overflow valve;
Step 4:Restriction is demarcated:Calculating outflow Q, P3-P5 or P7 according to displacement sensor value of feedback and oil cylinder parameter must be right
The pressure difference for answering restriction, to calculate restriction latus rectum;
Step 5:Slighter compress block internal leakage is demarcated:The flow value of flowmeter subtracts displacement sensor value of feedback and oil cylinder parameter calculates
Outflow Q is internal leakage;
Step 6:Calibration value is handled, and will be in the be recorded in journal file of calibration value.
In the program, referring to Fig. 1, Fig. 2, computer 11 sends out instruction to electric cabinet 10, and electric cabinet 10 is voluntarily depressurized to ratio
Valve 2 inputs continuously linear signal, and high pressure pumping source 1 inputs the pressure oil-source of setting by proportional pressure-reducing valve 2 to slighter compress block, simultaneously
3 feedback pressure force value P3 of pressure sensor and flowmeter 4 feed back flow value Q, while the solenoid valve a on slighter compress block obtains electric, fluid
Cylinder rod chamber, while 8 feedback pressure force value P8 of pressure sensor are reached through restriction B through shuttle valve opening sequence valve B, while pressure passes
7 feedback pressure force value P7 of sensor, while 5 feedback pressure force value P5 of pressure sensor, 6 feedback bit of displacement sensor while cylinder action
Shifting value L, oil cylinder start the calibration value that instantaneous P8+P5 at this time is sequence valve A, throttling are calculated according to oil cylinder specification and displacement L
The flow Q1, Q-Q1 of mouth obtain the internal leakage calibration value of slighter compress block, and the latus rectum of restriction B is calculated i.e. by P3, P7 and Q1
For its calibration value, oil cylinder on earth after, proportional pressure-reducing valve, which continues to improve, to be given to overflow valve B overflows, and the show value of P7 is at this time
The calibration value of overflow valve B.Computer 11 sends out instruction to electric cabinet 10, and electric cabinet 10 voluntarily inputs continuously linear to proportional pressure-reducing valve
Signal, the pressure oil-source that high pressure pumping source 1 is set by proportional pressure-reducing valve 2 to the input of slighter compress block, while pressure sensor 3 is fed back
Pressure value P 3 and flowmeter 4 feed back flow value Q, while the solenoid valve b on slighter compress block obtains electric, and fluid is through shuttle valve opening sequence valve
A reaches oil cylinder rodless cavity, while 8 feedback pressure force value P8 of pressure sensor, while 5 feedback pressure force value of pressure sensor through restriction A
P5, while 7 feedback pressure force value P7 of pressure sensor, displacement sensor 6 feeds back shift value L while cylinder action, and oil cylinder starts
Instantaneous P8+P7 at this time is the calibration value of sequence valve 2, and the flow Q2 of restriction is calculated according to oil cylinder specification and displacement L, is passed through
The latus rectum that P3, P7 and Q2 calculate restriction A is its calibration value, oil cylinder on earth after, proportional pressure-reducing valve continue to improve give to
Overflow valve A overflows, the show value of P5 is the calibration value of overflow valve A at this time.The recorded pressure value of comparison, sets for deviateing
The valve of value 1% is set up again, repeats step 4,5.
It should be noted that above-described embodiment, protection domain not for the purpose of limiting the invention, in above-mentioned technical proposal
On the basis of made equivalents or replacement each fall within the range that the claims in the present invention are protected.
Claims (2)
1. a kind of slighter compress block calibration system, which is characterized in that the slighter compress block calibration system includes that high pressure pumping source, ratio subtract
Pressure valve, pressure sensor, high-pressure flowmeter, pressure sensor, displacement sensor, pressure sensor, pressure sensor, slighter compress
Block, electric cabinet, computer and printer, the high pressure pump valve connect proportional pressure-reducing valve, high-pressure flowmeter, the height by pipeline
Press pump source, proportional pressure-reducing valve, high-pressure flowmeter are connect with electric cabinet by pipeline, and the high-pressure flowmeter is connected by pipeline
Slighter compress block, the slighter compress block connect electric cabinet by pipeline, and the electric cabinet connects computer, the computer connection printing
The other side of machine, the slighter compress block connects electric cabinet by pipeline, and pressure sensor, displacement sensing are provided on the pipeline
Device and pressure sensor.
2. a kind of slighter compress block scaling method, which is characterized in that it the described method comprises the following steps,
Step 1:Equipment is installed, slighter compress block is installed on detection device, and confirms that smart machine and display equipment are normal, really
Recognize that hydraulic power source is normal, is used for the sensor transmissions current signal of detection device, smart machine converts current signal to corresponding
Pressure value or flow value record and by showing that equipment shows calibration process value;
Step 2:Sequence valve is demarcated:Smart machine voluntarily inputs continuously linear signal to proportional pressure-reducing valve, and proportional pressure-reducing valve is to light
The pressure oil-source of block input setting, while pressure sensor feedback pressure force value P3 are depressed, while the solenoid valve on slighter compress block obtains
Electricity, fluid cross restriction through sequence valve and reach oil cylinder, while displacement sensing while pressure sensor feedback pressure force value cylinder action
Device feeds back shift value L, and oil cylinder starting i.e. displacement sensor is when changing, act at this time on sequence valve and the sum of pressure i.e.
For the calibration value of sequence valve;
Step 3:Overflow valve is demarcated:Oil cylinder on earth after, proportional pressure-reducing valve, which continues to improve, to be given to overflow valve overflow, and pressure passes at this time
The show value of sensor is the calibration value of corresponding overflow valve;
Step 4:Restriction is demarcated:Calculating outflow Q, P3-P5 or P7 according to displacement sensor value of feedback and oil cylinder parameter must be right
The pressure difference for answering restriction, to calculate restriction latus rectum;
Step 5:Slighter compress block internal leakage is demarcated:The flow value of flowmeter subtracts displacement sensor value of feedback and oil cylinder parameter calculates
Outflow Q is internal leakage;
Step 6:Calibration value is handled, and will be in the be recorded in journal file of calibration value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215774.XA CN108691852A (en) | 2017-04-04 | 2017-04-04 | Slighter compress block calibration system and scaling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215774.XA CN108691852A (en) | 2017-04-04 | 2017-04-04 | Slighter compress block calibration system and scaling method |
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| CN108691852A true CN108691852A (en) | 2018-10-23 |
Family
ID=63842701
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| CN201710215774.XA Pending CN108691852A (en) | 2017-04-04 | 2017-04-04 | Slighter compress block calibration system and scaling method |
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Citations (8)
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|---|---|---|---|---|
| JPH11230118A (en) * | 1998-02-12 | 1999-08-27 | Ibiden Co Ltd | Wear and leakage detecting device for atmospheric pressure actuator system and abnormal wear and leakage detecting method therefor |
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| CN203114786U (en) * | 2012-12-27 | 2013-08-07 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Leakage measuring system |
| CN103308290A (en) * | 2013-05-13 | 2013-09-18 | 宁波钢铁有限公司 | Testing loop and testing method of three-way proportional pressure reducing valve |
| CN103335834A (en) * | 2013-07-02 | 2013-10-02 | 南京工业大学 | Throttle valve port performance test device |
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2017
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Patent Citations (8)
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|---|---|---|---|---|
| JPH11230118A (en) * | 1998-02-12 | 1999-08-27 | Ibiden Co Ltd | Wear and leakage detecting device for atmospheric pressure actuator system and abnormal wear and leakage detecting method therefor |
| CN201621133U (en) * | 2010-04-02 | 2010-11-03 | 山东电力研究院 | Servo valve test system |
| CN202955067U (en) * | 2012-10-26 | 2013-05-29 | 上海宝钢工业技术服务有限公司 | Testing device for soft-reduction hydraulic cylinder manifold blocks on sector sections of rolling mills |
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| CN103308290A (en) * | 2013-05-13 | 2013-09-18 | 宁波钢铁有限公司 | Testing loop and testing method of three-way proportional pressure reducing valve |
| CN103335834A (en) * | 2013-07-02 | 2013-10-02 | 南京工业大学 | Throttle valve port performance test device |
| CN204716667U (en) * | 2015-06-04 | 2015-10-21 | 宁波恒力液压股份有限公司 | The Development of Hydraulic Synthetic Test-bed of servovalve dynamic and static state performance test |
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Application publication date: 20181023 |