CN104199376A - Intelligent steel salvaging system - Google Patents
Intelligent steel salvaging system Download PDFInfo
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- CN104199376A CN104199376A CN201410452713.1A CN201410452713A CN104199376A CN 104199376 A CN104199376 A CN 104199376A CN 201410452713 A CN201410452713 A CN 201410452713A CN 104199376 A CN104199376 A CN 104199376A
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- frequency converter
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- frequency changer
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Abstract
The invention discloses an intelligent steel salvaging system. A lifting mechanism, a traversing mechanism and a conveying roller way are provided with a lifting mechanism frequency changer, a traversing mechanism frequency changer and a conveying roller way frequency changer respectively, a logic control unit is provided with a PLC (programmable logic controller), and the lifting mechanism frequency changer, the traversing mechanism frequency changer and the conveying roller way frequency changer are connected with the PLC through field buses respectively. By the above technical scheme, aiming at complex speed control and position control, a simple open-loop control mode is adopted to replace a complex closed-loop feedback control mode, so that safety and reliability of the system are improved greatly; all control is realized through communication, so that faults due to wire connection are avoided fundamentally, anti-interference capability is improved, reliability of equipment is further improved, long-time and stable working can be maintained, controllability of billet conveying rhythm is high, and automatic control is realized.
Description
Technical field
The invention belongs to the technical field that metallurgical industry is produced, relate to steel billet transmission technology.Specifically, the present invention relates to a kind of intelligence and drag for steel system.
Background technology
Drag for steel system as one of major equipment on steel billet transmission line, in raising product yield, play very important effect.
Current, in metallurgical industry is produced, steel billet transport process need adopt artificial contraposition and adjustment.The adjustment of rollgang speed fails to be combined with hoisting gear, causes steel billet to be piled up; Roller-way location adopts artificial location, and owing to not mating with the speed governing of motor, starting and braking process mechanism inertia is large, easily causes to carry or carried not in place, has virtually increased workman's labour intensity, and the while has also inevitably restricted rhythm of production.
Summary of the invention
The invention provides a kind of intelligence and drag for steel system, its objective is the automatic control that realizes steel billet transmission.
To achieve these goals, the technical scheme that the present invention takes is:
Intelligence of the present invention is dragged for steel system, comprises elevating mechanism, transverse-moving mechanism, rollgang and logic control element, and described elevating mechanism, transverse-moving mechanism and rollgang is respectively equipped with elevating mechanism frequency converter, transverse-moving mechanism frequency converter and rollgang frequency converter; Described logic control element is provided with PLC; Described elevating mechanism frequency converter, transverse-moving mechanism frequency converter and rollgang frequency converter are connected with PLC by fieldbus respectively.
Described logic control element is provided with elevating mechanism scrambler and transverse-moving mechanism scrambler, and described elevating mechanism scrambler is connected with described PLC with transverse-moving mechanism scrambler.
In described PLC, be provided with power module, CPU module, analog quantity AI, AO module and digital quantity DI, DO module.
Described fieldbus is PROFIBUS-DP.
Described PLC is connected with host computer by Ethernet.
The present invention adopts technique scheme, for complicated speed control and position control, adopt simple open loop control mode to replace complicated close-loop feedback control mode, and then greatly improve the safety and reliability of system, and all control realizes by communication, fundamentally solve the fault causing due on line reason, increase antijamming capability, the reliability of equipment is also further strengthened, reduce maintenance workload, the work that can maintain a long-term stability, it is strong that steel billet transmission rhythm also becomes controllability, reaches automatic control.
Brief description of the drawings
Mark in content shown in accompanying drawing and figure is as follows:
Fig. 1 is structural representation of the present invention;
Wherein: 1, host computer, 2, PLC, 3, elevating mechanism frequency converter, 4, transverse-moving mechanism frequency converter, 5, rollgang frequency converter, 6, elevating mechanism (load one), 7, transverse-moving mechanism (load two), 8, rollgang (load three), 9, elevating mechanism scrambler, 10, transverse-moving mechanism scrambler, 11, fieldbus.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
Structure as shown in Figure 1, drags for steel system for intelligence of the present invention, is the basic control system that is applied to steel billet transmitting procedure in metallurgical industry production.This system comprises elevating mechanism 6, transverse-moving mechanism 7, rollgang 8 and logic control element.
In order to solve the problem of prior art existence and to overcome its defect, realize the goal of the invention of the automatic control of steel billet transmission, the technical scheme that the present invention takes is as follows:
As shown in Figure 1, the elevating mechanism 6 in the present invention, transverse-moving mechanism 7 and rollgang 8 are respectively equipped with elevating mechanism frequency converter 3, transverse-moving mechanism frequency converter 4 and rollgang frequency converter 5; Described logic control element is provided with PLC2; Described elevating mechanism frequency converter 3, transverse-moving mechanism frequency converter 4 and rollgang frequency converter 5 are connected with PLC2 by fieldbus 11 respectively.
Wherein, the described topworks that drags for steel equipment drives the motor of load, and its load comprises that load one, load two, load are third-class.This system is made up of parts such as host computer, PLC, frequency converter, fieldbus, scrambler, detecting element, scattering peripheral equipment and operator terminals.
Said structure comprises four parts, the one, be responsible for the main motor transmission part of elevating mechanism; The 2nd, be responsible for the main motor transmission part of transverse-moving mechanism; The 3rd, auxiliary transmission section, the i.e. running part of rollgang; The 4th, logic control element part.The core of whole control system is above-mentioned PLC, is programmable logic controller.PLC has the following advantages: reliability is high, antijamming capability is strong; That system forms is simple, combined and instant, highly versatile; Programming is simple, and working service is convenient; Function is strong, have wide range of applications; Volume is little, lightweight, low in energy consumption.Steel master routine is dragged in PLC storage.Elevating mechanism, transverse-moving mechanism and auxiliary transmission section all adopt frequency converter, realize the speed control of steel billet transmission, rely on scrambler to reach displacement control simultaneously.
The electrical equipment applicable cases transmitting for steel billet, considers required spare part and the network communication situation of producing, and elevating mechanism frequency converter, transverse-moving mechanism frequency converter and rollgang frequency converter adopt Siemens's frequency converter, and logic control element is selected Siemens PLC C.
Described logic control element is provided with elevating mechanism scrambler 9 and transverse-moving mechanism scrambler 10, and described elevating mechanism scrambler 9 is connected with described PLC2 with transverse-moving mechanism scrambler 10.
Elevating mechanism scrambler 9 is connected respectively with described elevating mechanism frequency converter 4 and transverse-moving mechanism frequency converter 5 by fieldbus with transverse-moving mechanism scrambler 10.
The present invention adopts automatic control system, rollgang frequency converter and elevating mechanism frequency converter are realized chain by PLC, elevating mechanism frequency converter and transverse-moving mechanism frequency converter are realized chain by PLC, the enabling signal of rollgang and the set-point of travelling speed are also automatically given by PLC simultaneously.
In described PLC2, be provided with power module, CPU module, analog quantity AI, AO module and digital quantity DI, DO module.In the PLC the present invention relates to, be provided with the storage unit of the described electric machines for roller speed of storage; Be provided with the storage unit of obtaining described steel billet position; Be provided with described elevating mechanism and the operation of transverse-moving mechanism motor are carried out to the time relay of accurately controlling.
Described fieldbus 11 is PROFIBUS-DP.Described PLC is connected with frequency converter by PROFIBUS-DP net, and it is online that frequency converter and scrambler are also connected to PROFIBUS-DP, carries out exchanges data by communication and PLC; Realize data transmission by PROFIBUS-DP net.
Elevating mechanism frequency-converter device and transverse-moving mechanism frequency-converter device are realized data transmission by PROFIBUS-DP net.
Described PLC2 is connected with host computer 1 by Ethernet.Described host computer all gathers PLC internal signal, according to program corresponding to various situations of setting, carries out fully automatic operation.
Equipment running status monitored picture comprises: the startup of motor, operation, halted state show, the detected state of detecting element, the speed of roller-way etc.The displaying contents of plant maintenance picture is: analog machine running status, fault alarm also can carry out self diagnosis, show trouble location, isolated fault, prevent maloperation.
The present invention possesses two kinds of functions of hand control and automation control system.Can realize conversion by Wincc operation interface.In equipment normal operation situation, adopt automatically and control.
PLC is receiving after instruction, transfers the given elevating mechanism frequency converter of instruction repertorie, and the data of transverse-moving mechanism frequency converter and rollgang frequency converter realize the automatic operation of dragging for steel.Whole process is simple to operation, and all state values and detected value are signal one time simultaneously, does not all need manual intervention in computing, operational process.
This system has abundant fault diagnosis functions, and different fault diagnosis and warning are set in system, and most common failure all can be judged exactly, as: lose test the speed, power phase shortage etc., the maintenance workload of system is greatly reduced.
In sum, intelligence of the present invention is dragged for steel control system and is adopted simple open loop control to realize the accurate control to speed and position, has both simplified program, has improved again the safety and reliability of system.All control realizes by communication, thereby reduces the impact of external interference, increases antijamming capability, the reliability of equipment is also further strengthened, and it is also easily convenient to safeguard, and work can maintain a long-term stability, it is strong that steel billet transmission rhythm also becomes controllability, reaches automatic control.
The course of work of the present invention is as follows:
PLC controls lower roller road and brings into operation, and in the time that steel billet run location arrives desired location, rollgang is out of service, and elevating mechanism brings into operation simultaneously, treats that steel billet departs from rollgang, and when pick-up unit can't detect steel billet, rollgang resumes operation.When elevating mechanism runs to desired location, transverse-moving mechanism brings into operation, by steel billet conveying to next section of rollgang.After setting program meets, carry out auto-programming, realize and automatically drag for steel.
The present invention adopts technique scheme, by some detecting elements, on-the-spot structural establishment is monitored, and equipment failure is detected, and realizes the automatic control to equipment simultaneously.For complicated speed control and position control, adopt simple open loop control mode to replace complicated close-loop feedback control mode, and then greatly improved the safety and reliability of system, and all control realizes by communication, fundamentally solved the fault causing due on line reason, increase antijamming capability, the reliability of equipment is also further strengthened, and has reduced maintenance workload, and work can maintain a long-term stability, it is strong that steel billet transmission rhythm also becomes controllability, reaches automatic control.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (5)
1. intelligence is dragged for a steel system, comprises elevating mechanism (6), transverse-moving mechanism (7), rollgang (8) and logic control element, it is characterized in that:
Described elevating mechanism (6), transverse-moving mechanism (7) and rollgang (8) are respectively equipped with elevating mechanism frequency converter (3), transverse-moving mechanism frequency converter (4) and rollgang frequency converter (5);
Described logic control element is provided with PLC (2);
Described elevating mechanism frequency converter (3), transverse-moving mechanism frequency converter (4) and rollgang frequency converter (5) are connected with PLC (2) by fieldbus (11) respectively.
2. drag for steel system according to intelligence claimed in claim 1, it is characterized in that: described logic control element is provided with elevating mechanism scrambler (9) and transverse-moving mechanism scrambler (10), described elevating mechanism scrambler (9) is connected with described PLC (2) with transverse-moving mechanism scrambler (10).
3. drag for steel system according to intelligence claimed in claim 1, it is characterized in that: in described PLC (2), be provided with power module, CPU module, analog quantity AI, AO module and digital quantity DI, DO module.
4. drag for steel system according to intelligence claimed in claim 1, it is characterized in that: described fieldbus (11) is PROFIBUS-DP.
5. drag for steel system according to intelligence claimed in claim 1, it is characterized in that: described PLC (2) is connected with host computer (1) by Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452713.1A CN104199376A (en) | 2014-09-05 | 2014-09-05 | Intelligent steel salvaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452713.1A CN104199376A (en) | 2014-09-05 | 2014-09-05 | Intelligent steel salvaging system |
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| Publication Number | Publication Date |
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| CN104199376A true CN104199376A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410452713.1A Pending CN104199376A (en) | 2014-09-05 | 2014-09-05 | Intelligent steel salvaging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159179A (en) * | 2015-10-23 | 2015-12-16 | 长沙有色冶金设计研究院有限公司 | Control system of zinc peeling machine |
| CN108127096A (en) * | 2018-02-12 | 2018-06-08 | 山东钢铁股份有限公司 | A kind of transverse-moving trolley localization method and system |
| CN108190342A (en) * | 2018-02-05 | 2018-06-22 | 佛山砚声智能装备有限公司 | A kind of automatic intelligent folds frame aluminium section bar warehouse |
-
2014
- 2014-09-05 CN CN201410452713.1A patent/CN104199376A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159179A (en) * | 2015-10-23 | 2015-12-16 | 长沙有色冶金设计研究院有限公司 | Control system of zinc peeling machine |
| CN105159179B (en) * | 2015-10-23 | 2018-03-02 | 长沙有色冶金设计研究院有限公司 | Shell the control system of zinc machine |
| CN108190342A (en) * | 2018-02-05 | 2018-06-22 | 佛山砚声智能装备有限公司 | A kind of automatic intelligent folds frame aluminium section bar warehouse |
| CN108127096A (en) * | 2018-02-12 | 2018-06-08 | 山东钢铁股份有限公司 | A kind of transverse-moving trolley localization method and system |
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Application publication date: 20141210 |
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| RJ01 | Rejection of invention patent application after publication |