CN108500062A - Reducing-sizing mill monitors Combined Protection system on-line - Google Patents
Reducing-sizing mill monitors Combined Protection system on-line Download PDFInfo
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- CN108500062A CN108500062A CN201810435694.XA CN201810435694A CN108500062A CN 108500062 A CN108500062 A CN 108500062A CN 201810435694 A CN201810435694 A CN 201810435694A CN 108500062 A CN108500062 A CN 108500062A
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- temperature
- vibration
- analysis module
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/008—Monitoring or detecting vibration, chatter or chatter marks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention discloses a kind of reducing-sizing mill on-line monitoring Combined Protection system, module is tested and analyzed including vibration and temperature online, vibration on-line checking analysis module establishes drive model according to the speed ratio information of equipment input speed and each gear stage of unit, monitor the vibration amplitude variation of each frequency, when a certain frequency vibration amplitude exception, system can send out cutoff command, temperature online tests and analyzes the temperature conditions of each filmatic bearing position of module monitors, according to bearing, fuel feeding, returning-oil temperature, data steady state information between machine utilization, establish corresponding associated data model, when temperature rate-of-rise is very fast or more than setting value, it sends out early warning and automatic stopping instructs and shows high temperature location；On-line checking analysis module will be vibrated and temperature online tests and analyzes the data progress Combined Treatment of module, filtered out because machine utilization variation leads to individual, inaccurate thermometric or vibration measuring data.The accuracy that this system can improve system detectio alarm or stop sign is sent out.
Description
Technical field
The present invention relates to the operational safety of high-speed wire production line reducing-sizing mill to ensure field, and in particular to one kind subtracts fixed
Diameter unit monitors Combined Protection system on-line.
Background technology
High-speed wire production line is high with the equipment speed of service, the rolled piece speed of response is famous soon, and country's high-speed rod rolls at present
6.5 or less specification linear velocities of Φ processed can reach 105m/s, and 8 specifications of Φ can reach 97m/s, reducing-sizing mill be production line at
The core equipment of product speed and precision guarantee.It is real according to roll rotating speed 11700/min when Theoretical Design speed no load test
Roll mandrel output rotating speed about 9000/min when border produces；Modern high line production technology is passed through enhances finished product frequently with zerolling scheme
Mechanical property, so that the rolling load of reducing-sizing mill is increased；The output benefit of high-speed wire production line, which depends primarily on to subtract, to be determined
The speed of service and operational efficiency of diameter unit, the mini long-term operating mode of milling train are that big load is run at high speed.Production line is rolled to mini
The monitoring of machine operating status is particularly important.
Mechanical structure in order to realize transmission and technological requirement reducing-sizing mill is relatively complicated, is divided into shifted
Case, transmission case and the big assembly component of roller case three parts, the design of central roll axle box bearing use filmatic bearing, transmission case to be divided into upper and lower three
Grade deflecting transmission, shift transmission are designed using two-stage shift.Production scene is by way of inspection detection strictly to running shape
State is guarded, and the dynamic mode of vibration measuring is to use handy vibrometer, and the mode infrared temperature-measuring gun of thermometric is surveyed in the outside of babinet
Amount.Because the complicated bearing block gear of plant machinery is all in box house deeper grade, temperature vibrates unofficial biography unobvious, by
In the operation characteristic of the big load of reducing-sizing mill high speed, operating status occurs changing to the time broken down shorter.Manually
Measuring record has and often to be incorporated experience by equipment sound to judge when exception, and if which position maintenance down checks etc.,
In the presence of very big uncertainty, often there is a situation where maintenance down not in time or breakdown judge is inaccurate.Lead to equipment on-line
Weight failure influences overhaul efficiency.Personal monitoring belongs to off-line monitoring, and there are discontinuity, when important spare parts such as bearing, gears
Complete machine major break down will soon be caused when failure, when there is major break down can only complete machine replace, lead to the production line stop time
Length seriously affects production.And the expense of complete machine reparation is relatively high, if well damage there are the possibility that complete machine is scrapped cause compared with
Big economic loss.Personal monitoring cannot meet the operational support of reducing-sizing mill, to the monitoring and protecting system of reducing-sizing mill
System proposes new requirement：
1. continual be online monitored unit vibration and temperature；
2. the data real-time display of pair monitoring, automatic processing analysis, storage；
3. carrying out early warning to equipment fault according to analysis result, providing fault point reference；
4. sending out cutoff command to transmission system according to equipment fault degree, failure is avoided to aggravate.
Invention content
Based on the above shortcoming, the object of the present invention is to provide a kind of reducing-sizing mill on-line monitoring Combined Protection systems
System, can be continual online to unit vibration and real-time temperature test sytem, avoids the inaccuracy and interruption of artificial detection
Property.
The technology used in the present invention is as follows：A kind of reducing-sizing mill on-line monitoring Combined Protection system, including vibration exist
Line tests and analyzes module and temperature online tests and analyzes module, and the vibration on-line checking analysis module turns according to equipment input
Speed and the speed ratio information of each gear stage of unit establish drive model, and reference input rotating speed obtains each position real-time frequency, prison
The vibration amplitude variation for surveying each frequency, when a certain frequency vibration amplitude changes or increase to setting value, system beyond rule
Early warning can be sent out or send out cutoff command and show abort situation, scene is reminded to carry out overhaul plan to equipment fault, it is described
Temperature online tests and analyzes the temperature conditions of each filmatic bearing position of module monitors, according to bearing temperature, oil temperature supplying, oil return temperature
Data steady state information between degree, machine utilization, establishes corresponding associated data model, when temperature rate-of-rise is very fast or is more than
When setting value, sends out early warning and automatic stopping instructs and shows high temperature location；On-line checking analysis module will be vibrated and temperature exists
The data that line tests and analyzes module carry out Combined Treatment, filter out because machine utilization variation leads to individual, inaccurate thermometric
Or vibration measuring data, when reducing-sizing mill load increases, driving motor power, filmatic bearing temperature and magnitude of vibrations can all increase
Add, system is judged as that load or speed promotion make global index rise in this case, is not considered as vibration or temperature monitoring list
One index failure；When driving motor power, rotating speed do not change, the vibration values or temperature rise of reducing-sizing mill are
System is judged as fault-signal and executes the instructions such as alarm or parking.
Beneficial effects of the present invention and advantage are as follows：This system can to the data real-time display of monitoring, automatically process point
Analysis, storage, in order to the longtime running situation of change of tracking equipment；Early warning is carried out to equipment fault according to analysis result, is provided
Fault point refers to, and to the failure alert always detected and provides fault reference position, promptly and accurately to failure carly fruit drop
Maintenance；Cutoff command is sent out to transmission system according to equipment fault degree, failure is avoided to aggravate, reducing-sizing mill is taken in time
Safeguard measure reduces breakdown loss.Pass through the joint data monitoring to unit vibration and temperature, it is possible to determine that reducing-sizing mill is negative
Whether lotus is reasonable, and reasonable distribution load provides guidance to equipment normal operation and process rationality, is production capacity and the production of production line
The raising of product precision plays a role.On-line checking and temperature online detection auxiliary Conjoint Analysis mutually are vibrated, vibration values are examined online
Survey the aggregation of data processing with temperature online detection, the accuracy that the alarm of raising system detectio or stop sign are sent out.
Description of the drawings
Fig. 1 is reducing-sizing mill schematic diagram；
Fig. 2 is artificial off-line monitoring schematic diagram；
Fig. 3 is that reducing-sizing mill monitors Combined Protection systematic schematic diagram on-line.
Wherein 1, driving motor, 2, shift transmission, 3, transmission case, 4, roller case, 5, thermometric vibration measuring position.
Specific implementation mode
The invention will be further described for citing below in conjunction with the accompanying drawings：
Embodiment 1
As shown in figure 3, a kind of reducing-sizing mill monitors Combined Protection system, including vibration on-line checking analysis module on-line
Module is tested and analyzed with temperature online, the vibration on-line checking analysis module is according to equipment input speed and each biography of unit
The speed ratio information of dynamic grade establishes drive model, and reference input rotating speed obtains each position real-time frequency, monitors shaking for each frequency
Dynamic amplitude variation, when a certain frequency vibration amplitude changes beyond rule or increases to setting value, system can send out early warning or hair
Go out cutoff command and show abort situation, scene is reminded to carry out overhaul plan, temperature online detection point to equipment fault
The temperature conditions for analysing module monitors each filmatic bearing positions, according to bearing temperature, oil temperature supplying, returning-oil temperature, machine utilization it
Between data steady state information, establish corresponding associated data model, when temperature rate-of-rise is very fast or more than setting value, send out
Early warning and automatic stopping instruct and show high temperature location；It will vibration on-line checking analysis module and temperature online detection and analysis module
Data carry out Combined Treatment, filter out because machine utilization variation lead to individual, inaccurate thermometric or vibration measuring data, subtracting
When sizing unit load increases, driving motor power, filmatic bearing temperature and magnitude of vibrations can all increase, and be in this case
System is judged as that load or speed promotion make global index rise, and is not considered as vibration or the single index failure of temperature monitoring；Work as transmission
Power of motor, rotating speed do not change, and the vibration values or temperature rise of reducing-sizing mill, system are judged as fault-signal
Execute the instructions such as alarm or parking.
The vibration on-line checking analysis module：Vibration detection head is installed in reducing-sizing mill main transmission babinet, will be surveyed
Examination data pass vibrating data analysis module back in real time, and position is respectively monitored in display interface real-time display after data analysis module is handled
The actual vibration value set.Input speed real time data is acquired in reducing-sizing mill main motor, under known speed, mini milling train inspection
The frequency that location is set is corresponding.When a certain frequency vibration amplitude changes beyond rule or increases to setting value, according to
The rank of vibration settings prompts early warning in display interface, or sends out instruction parking to mini mill drive control system immediately, together
When the abort situation of judgement is provided in display interface.Believed according to the speed ratio of equipment input speed and each gear stage of reducing-sizing mill
Breath establishes drive model, and what reference input rotating speed can be calculated each position should have frequency, will need to monitor by model
The characteristic frequency of position conversion position thus.The vibration amplitude variation of each frequency is monitored, equipment normal table is arbitrary when running
Position and frequency are all regular.It monitors these frequency systems to carry out real-time display, early warning or send out halt instruction, avoid
Cause further damage or weight failure.
The temperature online tests and analyzes module：Reducing-sizing mill oil-feed port, filmatic bearing the base back of the body at eccentric bushing
Interior, babinet oil return position installation measuring head monitors bearing temperature, passes real time temperature monitoring data back temperature data analysis module,
Real time temperature is shown in display interface, prompts to report in display interface according to temperature setting rank after Data Analysis Services
It is alert, or immediately instruction parking is sent out to reducing-sizing mill driving control system.The fault bit of judgement is provided in display interface simultaneously
It sets.When equipment stable operation between bearing temperature, oil temperature supplying, returning-oil temperature, machine utilization (driving motor bearing power)
In metastable state, corresponding associated data model is established.The temperature conditions for monitoring each filmatic bearing position, when temperature increases
When can send out early warning and show high temperature location, send out equipment automatic stopping when temperature rate-of-rise is very fast or more than setting value
Instruction, equipment, which stops running immediately, avoids causing further damage or weight failure.
The mutual auxiliary joint judgement effect for vibrating on-line checking module and temperature online detection module, works as reducing-sizing mill
When rolling load changes, vibration equipment value and filmatic bearing temperature can all have corresponding variation.By vibration values on-line checking and temperature
The aggregation of data processing for spending on-line checking is filtered out because machine utilization variation leads to the inaccuracy of independent thermometric or vibration measuring data
Property.When reducing-sizing mill load increases, driving motor power, filmatic bearing temperature and magnitude of vibrations can all increase, this
In the case of system be judged as that load or speed promotion make global index rise, be not considered as vibration or the single index of temperature monitoring therefore
Barrier；When driving motor power, rotating speed do not change, the vibration values or temperature rise system of reducing-sizing mill are judged as
Fault-signal executes the instructions such as alarm or parking.Pass through the joint data monitoring to unit vibration and temperature, it is possible to determine that it is fixed to subtract
Whether diameter unit load is reasonable, and reasonable distribution load provides guidance to equipment normal operation and process rationality, plays to equipment
Protective effect simultaneously for production line production capacity and Product Precision raising play a role.
Claims (1)
1. a kind of reducing-sizing mill monitors Combined Protection system, including vibration on-line checking analysis module and temperature online inspection on-line
Survey analysis module, it is characterised in that：The vibration on-line checking analysis module is according to equipment input speed and each biography of unit
The speed ratio information of dynamic grade establishes drive model, and reference input rotating speed obtains each position real-time frequency, monitors shaking for each frequency
Dynamic amplitude variation, when a certain frequency vibration amplitude changes beyond rule or increases to setting value, system can send out early warning or hair
Go out cutoff command and show abort situation, scene is reminded to carry out overhaul plan, temperature online detection point to equipment fault
The temperature conditions for analysing module monitors each filmatic bearing positions, according to bearing temperature, oil temperature supplying, returning-oil temperature, machine utilization it
Between data steady state information, establish corresponding associated data model, when temperature rate-of-rise is very fast or more than setting value, send out
Early warning and automatic stopping instruct and show high temperature location；It will vibration on-line checking analysis module and temperature online detection and analysis module
Data carry out Combined Treatment, filter out because machine utilization variation lead to individual, inaccurate thermometric or vibration measuring data, subtracting
When sizing unit load increases, driving motor power, filmatic bearing temperature and magnitude of vibrations can all increase, and be in this case
System is judged as that load or speed promotion make global index rise, and is not considered as vibration or the single index failure of temperature monitoring；Work as transmission
Power of motor, rotating speed do not change, and the vibration values or temperature rise of reducing-sizing mill, system are judged as fault-signal
Execute the instructions such as alarm or parking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435694.XA CN108500062B (en) | 2018-05-04 | 2018-05-04 | Reducing-sizing mill monitors Combined Protection system on-line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810435694.XA CN108500062B (en) | 2018-05-04 | 2018-05-04 | Reducing-sizing mill monitors Combined Protection system on-line |
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| CN108500062A true CN108500062A (en) | 2018-09-07 |
| CN108500062B CN108500062B (en) | 2019-06-18 |
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| CN201810435694.XA Active CN108500062B (en) | 2018-05-04 | 2018-05-04 | Reducing-sizing mill monitors Combined Protection system on-line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909306A (en) * | 2019-03-11 | 2019-06-21 | 北京首钢自动化信息技术有限公司 | A kind of monitoring method of acid rolling plant on-line monitoring and degradation trend intelligent early-warning |
| CN111413096A (en) * | 2020-04-20 | 2020-07-14 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
| CN114367547A (en) * | 2021-12-28 | 2022-04-19 | 北京首钢自动化信息技术有限公司 | Statistical method and device for rolling data |
| CN114441124A (en) * | 2021-12-17 | 2022-05-06 | 中国航发湖南动力机械研究所 | Helicopter transmission system test bed vibration test system and method |
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| CN102251185A (en) * | 2011-06-22 | 2011-11-23 | 山东省四方技术开发有限公司 | Preparation method of high-chromium roller for steel tube reducing mill or sizing mill and high-chromium roller prepared thereby |
| US20150023387A1 (en) * | 2008-03-31 | 2015-01-22 | Jfe Steel Corporation | Steel plate quality assurance system and equipment thereof |
| CN206966315U (en) * | 2017-06-16 | 2018-02-06 | 中冶赛迪工程技术股份有限公司 | High-speed wire production line |
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Patent Citations (4)
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| US20030048962A1 (en) * | 2001-09-11 | 2003-03-13 | Nsk Ltd. | Rolling bearing unit with sensor |
| US20150023387A1 (en) * | 2008-03-31 | 2015-01-22 | Jfe Steel Corporation | Steel plate quality assurance system and equipment thereof |
| CN102251185A (en) * | 2011-06-22 | 2011-11-23 | 山东省四方技术开发有限公司 | Preparation method of high-chromium roller for steel tube reducing mill or sizing mill and high-chromium roller prepared thereby |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909306A (en) * | 2019-03-11 | 2019-06-21 | 北京首钢自动化信息技术有限公司 | A kind of monitoring method of acid rolling plant on-line monitoring and degradation trend intelligent early-warning |
| CN109909306B (en) * | 2019-03-11 | 2020-08-21 | 北京首钢自动化信息技术有限公司 | Monitoring method for on-line monitoring and intelligent degradation trend early warning of acid rolling equipment |
| CN111413096A (en) * | 2020-04-20 | 2020-07-14 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
| CN111413096B (en) * | 2020-04-20 | 2021-12-10 | 厦门华夏国际电力发展有限公司 | Vibration protection system with high-temperature blocking function and method |
| CN114441124A (en) * | 2021-12-17 | 2022-05-06 | 中国航发湖南动力机械研究所 | Helicopter transmission system test bed vibration test system and method |
| CN114367547A (en) * | 2021-12-28 | 2022-04-19 | 北京首钢自动化信息技术有限公司 | Statistical method and device for rolling data |
| CN114367547B (en) * | 2021-12-28 | 2024-02-06 | 北京首钢自动化信息技术有限公司 | Statistical method and device for rolling data |
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| CN108500062B (en) | 2019-06-18 |
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