CN109604348A - Strip-mill strip hydraulic roller-bending device simulation loading and integrated test system and method - Google Patents
Strip-mill strip hydraulic roller-bending device simulation loading and integrated test system and method Download PDFInfo
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- CN109604348A CN109604348A CN201910028223.1A CN201910028223A CN109604348A CN 109604348 A CN109604348 A CN 109604348A CN 201910028223 A CN201910028223 A CN 201910028223A CN 109604348 A CN109604348 A CN 109604348A
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 238000005452 bending Methods 0.000 title claims abstract description 54
- 238000004088 simulation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title description 6
- 230000010354 integration Effects 0.000 claims abstract description 16
- 230000004044 response Effects 0.000 claims abstract description 14
- 238000013000 roll bending Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 12
- 238000003801 milling Methods 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000011056 performance test Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000013102 re-test Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated test systems, belong to metallurgical equipment technology field.The system comprises: analog loading device and integrated test control system.Wherein, mill roll bending dynamic test simulation loading device includes: stationary backplate-pedestal of fixed hydraulic roll-bending device (measured piece), simulates the mechanical load frame and Traffic control system pad of roll structure and rigidity；Integration testing control system includes: hydraulic power station, hydraulic control valve platform (containing built in pressure sensor), high-speed closed loop controller PLC and data acquisition device PDA and special test control software (opened loop controls and the closed-loop control such as load or starting frictional force, stagnant ring, step response, frequency response under zero load), data acquisition and analysis software.
Description
Technical field
The invention belongs to metallurgical equipment technology field, it is related to a kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated
Test macro and method.
Background technique
The board rolling production line of modernization is used for high-efficiency and continuous strip production, in order to obtain the strip product of production
Good plate shape is obtained, Hydraulic Roll Bending System is configured with extensively in the mm finishing mill unit of production line, as critical equipment/subsystem
Hydraulic Roll Bending System is to improve that plate shape is most basic, most flexible and effective method, which mutually ties with other Strip Shape Control means
It closes, realizes raw to the control of the strip shape qualities such as the convexity of strip product, straightness, wedge shape and head camber and continuous-stable
It produces.Therefore, the characteristic and quality of Hydraulic Roll Bending System itself have conclusive influence.
Strip-mill strip Hydraulic Roll Bending System by hydraulic roller-bending device (hydraulic bending roll hydraulic cylinder), hydraulic servocontrol valve platform and
The compositions such as plat control system (Strip Shape Control model and basic automatization control), have mechanical electrical and hydraulic system integrated and system coupling
Nonlinear characteristic.During production and application, according to operating condition difference, Hydraulic Roll Bending System, which is realized, applies bending roller force to roll
Dynamic regulation, while requirement is proposed to sound state qualities such as stability, rapidity and precision in Dynamic Regulating Process.
Execution link-hydraulic bending roll hydraulic cylinder of most important components as Hydraulic Roll Bending System, hydraulic bending roll liquid
Cylinder pressure complicated in mechanical structure, high failure rate, maintenance are big, to realize Hydraulic Roll Bending System integrated functionality it is most important, not only its
Design, manufacture require height, with greater need for system performance is met, to realize plate shape high-precision control.Therefore, hydraulic roller-bending device
Design, Manufacture quality control and verifying are most important, it is necessary to be strictly controlled and test verifying.
Currently, hydraulic bending roll hydraulic cylinder in manufactory's delivery test and examination, can accomplish the unloaded item such as movement and pressure testing
Part test under part, it is difficult to the performance test that mechanical electrical and hydraulic system is integrated under Work condition analogue is carried out, on the one hand in no roll, milling train
In the case where the components such as memorial archway, real working condition, the load test on the other hand not carried out in manufactory properly can not be simulated
Device and control system.Therefore, hydraulic bending roll hydraulic cylinder can only carry out on-line testing after user's site installation test is good, and one
Denier discovery hydraulic bending roll hydraulic cylinder, hydraulic servocontrol valve platform can not meet performance requirement, it is necessary to it is whole to dismantle Hou Fan manufactory
Change, to expend a large amount of construction periods, and increases cost of investment.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated surveys
Test system and method, the apparatus and system can be real in off-line state Imitating mill roll bending and its actual condition of control system
The off-line test of the performance indicators such as dynamic response, the bending roller force control precision of existing roller mechanical system.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated test system, including be measured piece-hydraulic bending roll
Device (A) provides the analog loading device (001) and integrated test control system (002) of installation and load；
The analog loading device (001) and integrated test control system (002) of the load pass through medium connecting line
(003) and connecting cable (004) connects composition system；
Measured piece-hydraulic roller-bending device (A) is fixed on stationary backplate-pedestal (001-3) according to milling train installation condition
In the hatch frame of mechanical load frame (001-1), implement to drive by integration testing control system (002), for offline
State Imitating milling train operating condition, realize the pressure resistance of hydraulic roller-bending device different operating point under opened loop control or close-loop control mode,
Starting/kinetic friction force, stagnant ring, step response, frequency response, the test of precision dynamic and static state performance test item, to measured piece
On-load mechanical performance tested and evaluated comprehensively；
The mechanical load frame (001-1) is the open type load mechanical structure for simulating mill stiffness and opening degree, is used
In the loading force and corresponding displacement that bear measured piece in test, meet resistance to pressure request；With Traffic control system pad (001-2), fixed back
Plate-pedestal (001-3) collectively forms analog loading device (001)；
The integration testing control system (002) includes hydraulic power station HPS (002-2), hydraulic control valve platform VST
(002-1), high-speed closed loop controller PLC (002-3) and data acquisition device PDA (002-4)；The hydraulic control valve platform VST
Pressure sensor PS is set in (002-1).
Further, the Traffic control system pad (001-2) is removable is adjusted, for adjusting measured piece-hydraulic roller-bending device (A)
Hydraulic cylinder travel limit, to reach the simulation test of different operating point.
Further, the stationary backplate-pedestal (001-3) is equipped with rock-steady structure；And for installing mechanical loading frame
Many places are set on the mounting surface of (001-1), interface is installed, is used for different size mechanical load frame (001-1) and measured piece-liquid
Bend the installation of roller arrangement (A).
Simulation loading and integration test method based on the system, the integration testing control system (002) are based on rolling
The function and performance of machine roller actual control system are configured, and pass through hydraulic bending roll hydraulic cylinder (001-1) used by reality
Load improve off-line test accuracy, meanwhile, milling train opening degree is simulated by the increase and decrease of the Traffic control system pad (001-2)
Adjustment, high-speed closed loop controller PLC (002-3) automatic output control points to hydraulic control valve platform VST (002-1) to hydraulic curved
Roller hydraulic cylinder (001-1) carries out carrying out closed loop or opened loop control, the real-time acquisition and storage liquid of data acquisition device PDA (002-4)
Pressure, flow and the response time data of pressure control valve platform VST (002-1) and analog loading device (001), and carry out data point
Analysis processing obtains the dynamic response and bending roller force control accuracy test performance indicator of roller mechanical system；
Specifically:
Test prepares, i.e., correctly installs each component, connecting line and cable, checks securely and reliably；
Operating point is set by adjusting pad；
Select test item mode and input control instruction；
High-speed closed loop controller PLC open loop or closed-loop control system operation and are fed back sensor real time detection signal；
Data are acquired and are handled；
Output test and appraisal report；
Change test item and operating point retest.
Further, the mechanical load frame (001-1) is when simulating rigidity, according to mill roll bending equivalent stiffness by public affairs
Formula:KW=K (k '1,Iw,L1,L2, E) and calculate determination.
The beneficial effects of the present invention are:
(1) the offline dynamic that mill roll bending can be achieved is tested, so that project construction cost be effectively reduced, shortens project construction
Period；
(2) mechanical load frame is designed to simulate actual condition by rolling mill roll structure and rigidity, and mill roll bending is dynamic
Function and performance of the state integration testing control system based on mill roll bending actual control system are configured, off-line test accuracy
It is high；
(3) adjustment that milling train opening degree is simulated by the thickness increase and decrease of Traffic control system pad has easy to operate, control standard
The advantages that true；
(4) data acquisition device PDA and high-speed closed loop controller PLC is used, and is configured with multiple types sensor, is entirely rolled
Machine roller dynamic test control system has the characteristics that high degree of automation；
(5) installation for being suitable for different size analog loading device is fixed, and is had easy to operate, applied widely, economical
The advantages that practical.
(6) modular construction is used, has the advantages that functions expanding space is big, be quickly and expediently installed, is highly suitable for existing
Field test, meanwhile, also having the advantages that can strange land carrying and storage.
The present invention can be under the off-line state for not having the assembly of the milling trains such as mill housing, roll, to hydraulic roller-bending device
Carry out simulation actual use working condition measurement test.Not only realize the sound under the loading environment to hydraulic roller-bending device simulation operating condition
Step response, off-line test of the bending roller force control performance indicators such as precision and pressure resistance etc. are tested, and are verified to designing and manufacturing；Together
When verifying to mechanical electrical and hydraulic system integrated functionality, performance and connection interface so that the function of hydraulic roller-bending device, performance, electromechanics
Liquid system interface interface, reliability and safety etc. meet in-site installation and requirement.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is strip-mill strip hydraulic roller-bending device simulation loading and integrated test system schematic diagram of the invention；
Fig. 2 is measured piece of the invention-hydraulic roller-bending device A structure explanation；
Fig. 3 is strip-mill strip hydraulic roller-bending device simulation loading integration test method flow diagram of the invention.
Appended drawing reference: 001-analog loading device, 002-integration testing control system, 001-1-mechanical load frame,
001-2-Traffic control system pad, 001-3-stationary backplate-pedestal, 002-1-hydraulic control valve platform VST, 002-2-hydraulic power
Stand HPS, 002-3-high-speed closed loop controller PLC, 002-4-data acquisition device PDA, A-measured piece-hydraulic roller-bending device,
A-1-roller bending block, A-2-end cap, A-3-piston rod, A-4-rod chamber, A-5-rodless cavity, A-6-hydraulic fluid port.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
As shown in Figure 1 and Figure 2, a kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated test system, including simulation
Loading device 001, integration testing control system 002, medium connecting line 003 and connecting cable 004.Measured piece-hydraulic bending roll
Device A includes roller bending block A-1, end cap A-2, piston rod A-3, rod chamber A-4, rodless cavity A-5, hydraulic fluid port A-6.Wherein: simulation adds
Carrying and setting 001 includes mechanical load frame 001-1, Traffic control system pad 001-2 and stationary backplate-pedestal 001-3, measured piece-liquid
It bends roller arrangement A and is fixed on the suitable position in mechanical load frame 001-1 hatch frame, mechanical load by milling train installation condition
Frame 001-1 is fixed on stationary backplate-pedestal 001-3, and Traffic control system pad 001-2 is set to measured piece-hydraulic roller-bending device A
Between bowed roller hydraulic cylinder piston-rod end and mechanical load frame 001-1, for adjusting measured piece-hydraulic roller-bending device A row
Degree position, setting working position (simulation operating point)；Integration testing control system 002 includes hydraulic control valve platform VST 002-1, liquid
Pressure power station HPS 002-2, high-speed closed loop controller PLC 002-3 and data acquisition device PDA 002-4, hydraulic control valve platform
Pressure sensor PS is set in VST 002-1, testing and control software is installed in high-speed closed loop controller PLC 002-3, data are adopted
It is equipped with data in acquisition means PDA 002-4 and acquires and analyze software；Analog loading device 001 and integration testing control system 002
Complete mechanical electrical and hydraulic system is formed by medium connecting line 003 and the connection of connecting cable 004.
Traffic control system pad 001-2 be symmetricly set on the measured piece-two sides hydraulic roller-bending device A end piston rod A-3 with
Between mechanical load frame 001-1.
The mechanical load frame 001-1 simulates rigidity, according to mill roll bending equivalent stiffness by formula:KW=
K(k′1,Iw,L1,L2, E) and calculate determination.
The stationary backplate-pedestal 001-3 is in stable triangular structure, and for installing mechanical loading frame 001-1's
Many places are set on mounting surface, interface is installed, is used for different size mechanical load frame 001-1 and measured piece-hydraulic roller-bending device A
Installation.
In conjunction with Fig. 3, further illustrate that strip-mill strip hydraulic roller-bending device simulation loading integration test method realizes step:
Step.1: test prepares.After correct installation analog loading device 001 and each component of integrated test control system 002,
Medium connecting line 003 and connecting cable 004 are connected, operation detection is carried out to system under idle condition, it is ensured that system peace
It is complete reliable.
Step.2: setting working position.In measured piece-hydraulic roller-bending device A hydraulic cylinder piston rod end and mechanical load frame
The Traffic control system that specific thicknesses are added between frame 001-1 pads 001-2, and is passed through low pressure oil pressure maintaining in hydraulic cylinder rodless cavity, makes to go
Journey adjusting pad 001-2 is compacted, and completes specified measured piece-hydraulic roller-bending device A working position setting.It, can according to test request
The setting of multiple working positions is carried out in order, and stroke can be determined by measurement.
Step.3: input control instruction.Select test item mode, i.e. pressure resistance, starting/kinetic friction force, stagnant ring, step
The project modes such as response, frequency response, precision export control instruction to hydraulic control by high-speed closed loop controller PLC 002-3
Valve platform VST 002-1 processed carries out open loop or closed-loop control hydraulic cylinder power output (pressure) test to hydraulic roller-bending device A hydraulic cylinder, leads to
Over-voltage force snesor real time detection signal is fed back to high-speed closed loop controller PLC 002-3.
Step.4: data acquisition and procession.The real-time collecting test data of data acquisition device PDA 002-4, and at analysis
Reason.
Step.5: output test report.
Change test item and operating point repeats above-mentioned test.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of strip-mill strip hydraulic roller-bending device simulation loading and integrated test system, it is characterised in that: including for measured piece-
Hydraulic roller-bending device (A) provides the analog loading device (001) and integrated test control system (002) of installation and load；
The analog loading device (001) and integrated test control system (002) of the load by medium connecting line (003) and
Connecting cable (004) connects composition system；
Measured piece-hydraulic roller-bending device (A) is fixed on the machinery on stationary backplate-pedestal (001-3) according to milling train installation condition
In the hatch frame of loading frame (001-1), implement to drive by integration testing control system (002), in off-line state
Imitating milling train operating condition, realize the pressure resistance of hydraulic roller-bending device different operating point under opened loop control or close-loop control mode, starting/
Kinetic friction force, stagnant ring, step response, frequency response, the test of precision dynamic and static state performance test item, have load to measured piece
Mechanical performance is tested and is evaluated comprehensively；
The mechanical load frame (001-1) is the open type load mechanical structure for simulating mill stiffness and opening degree, for holding
The loading force and corresponding displacement of measured piece, meet resistance to pressure request in tested person；With Traffic control system pad (001-2), stationary backplate-bottom
Seat (001-3) collectively forms analog loading device (001)；
The integration testing control system (002) include hydraulic power station HPS (002-2), hydraulic control valve platform VST (002-1),
High-speed closed loop controller PLC (002-3) and data acquisition device PDA (002-4)；In the hydraulic control valve platform VST (002-1)
Pressure sensor PS is set.
2. a kind of strip-mill strip hydraulic roller-bending device simulation loading according to claim 1 and integrated test system, special
Sign is: the Traffic control system pad (001-2) is removable to be adjusted, for adjusting the hydraulic cylinder of measured piece-hydraulic roller-bending device (A)
Stroke limit, to reach the simulation test of different operating point.
3. a kind of strip-mill strip hydraulic roller-bending device simulation loading according to claim 1 and integrated test system, special
Sign is: the stationary backplate-pedestal (001-3) is equipped with rock-steady structure, and for installing mechanical loading frame (001-1)
Many places are set on mounting surface, interface is installed, is used for different size mechanical load frame (001-1) and measured piece-hydraulic roller-bending device
(A) installation.
4. simulation loading and integration test method based on system described in any one of claims 1 to 3, it is characterised in that: institute
It states function and performance of the integration testing control system (002) based on mill roll bending actual control system to be configured, passes through reality
The load of used hydraulic bending roll hydraulic cylinder (A) improves off-line test accuracy, meanwhile, pass through the Traffic control system pad
(001-2's) increases and decreases to simulate the adjustment of milling train opening degree, and high-speed closed loop controller PLC (002-3) automatic output control points to
Hydraulic control valve platform VST (002-1) carries out hydraulic bending roll hydraulic cylinder (A) to carry out closed loop or opened loop control, data acquisition device
Pressure, the flow of PDA (002-4) real-time acquisition and storage hydraulic control valve platform VST (002-1) and analog loading device (001)
And response time data, and Data Analysis Services are carried out, obtain the dynamic response and bending roller force control precision of roller mechanical system
Test performance index；
Specifically:
Test prepares, i.e., correctly installs each component, connecting line and cable, checks securely and reliably；
Operating point is set by adjusting pad；
Select test item mode and input control instruction；
High-speed closed loop controller PLC open loop or closed-loop control system operation and are fed back sensor real time detection signal；
Data are acquired and are handled；
Output test and appraisal report；
Change test item and operating point retest.
5. a kind of strip-mill strip hydraulic roller-bending device simulation loading according to claim 4 and integration test method, special
Sign is: the mechanical load frame (001-1) is when simulating rigidity, according to mill roll bending equivalent stiffness by formula:KW=K (k '1,Iw,L1,L2, E) and calculate determination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028223.1A CN109604348B (en) | 2019-01-11 | 2019-01-11 | Simulation loading and integrated testing system and method for hydraulic roller bending device of plate and strip rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028223.1A CN109604348B (en) | 2019-01-11 | 2019-01-11 | Simulation loading and integrated testing system and method for hydraulic roller bending device of plate and strip rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN109604348A true CN109604348A (en) | 2019-04-12 |
| CN109604348B CN109604348B (en) | 2023-11-03 |
Family
ID=66016775
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| CN201910028223.1A Active CN109604348B (en) | 2019-01-11 | 2019-01-11 | Simulation loading and integrated testing system and method for hydraulic roller bending device of plate and strip rolling mill |
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| CN209647227U (en) * | 2019-01-11 | 2019-11-19 | 中冶赛迪工程技术股份有限公司 | Strip-mill strip hydraulic roller-bending device simulation loading and integrated test system |
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| US20020050070A1 (en) * | 2000-08-18 | 2002-05-02 | Mohieddine Jelali | Multi variable flatness control system |
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| Publication number | Publication date |
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| CN109604348B (en) | 2023-11-03 |
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