CN113245380A - Method for preventing strip steel from piling and related equipment - Google Patents
Method for preventing strip steel from piling and related equipment Download PDFInfo
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- CN113245380A CN113245380A CN202110410118.1A CN202110410118A CN113245380A CN 113245380 A CN113245380 A CN 113245380A CN 202110410118 A CN202110410118 A CN 202110410118A CN 113245380 A CN113245380 A CN 113245380A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
- B21B41/12—Arrangements of interest only with respect to provision for indicating or controlling operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application discloses a method for preventing strip steel from piling and related equipment, wherein the method comprises the following steps: acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel; stopping sending the first transmission speed to a second rough rolling frame positioned at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range; increasing the driving torque of the hydraulic cylinder of the loop according to the first angle deviation; after the first transmission speed is stopped from being sent to the second rough rolling frame and the driving moment of a hydraulic cylinder of the loop is increased according to the first angle deviation, acquiring a second angle deviation of the loop; and sending a second conveying speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range. The risk that the loop is continuously pressed down by the strip steel can be eliminated, and the probability of steel piling accidents is reduced.
Description
Technical Field
The application relates to the technical field of rolling of thin slabs, in particular to a method for preventing steel piling of strip steel and related equipment.
Background
The continuous casting and rolling technology of the sheet billet can realize energy conservation, consumption reduction and production cost reduction. The endless production technology of the thin slab is further promoted on the basis of the continuous casting and rolling technology of the thin slab. In the endless production line of the sheet bar, a loop is arranged between each roughing stand, and the loop can balance the second flow between the roughing stands.
In the endless production mode of the sheet bar, the factors disturbing the transmission speed of the roughing stand are many, and the inlet thickness of the roughing stand is thick, which may cause the second flow of the roughing stand to decrease continuously. The strip steel between the loop and the inlet of the rough rolling stand is gradually pulled up, so that the strip steel at the position of the loop continuously presses down the loop. The loop is pressed down, which causes the transmission speed of the roughing stand to be reduced rapidly, and causes steel piling accidents.
Disclosure of Invention
The invention provides a method and related equipment for preventing steel strip from piling, and aims to solve the problems that in the prior art, the transmission speed of a roughing mill frame is rapidly reduced due to the fact that a loop is pressed down, and steel piling accidents are caused.
In a first aspect, the present invention provides a method for preventing strip steel from piling, comprising:
acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation;
increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation;
obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
Optionally, the increasing the driving torque of the hydraulic cylinder of the loop according to the first angular deviation includes:
determining a target additional driving torque coefficient corresponding to the first angle deviation;
calculating the product of the target additional driving torque coefficient and a set torque to obtain an additional driving torque;
and increasing the driving torque of the hydraulic cylinder of the loop according to the additional driving torque.
Optionally, the obtaining the first angle deviation of the loop includes:
detecting an actual angle of the loop;
and calculating the difference value between the actual angle and the set angle as the first angle deviation of the loop.
Optionally, the obtaining of the target tension deviation of the loop includes:
detecting the actual tension of the loop;
and calculating the difference value of the actual tension and the set tension as the target tension deviation of the loop.
Optionally, the preset first angle range is-2.5 degrees to-10.5 degrees.
Optionally, the target tension range is 5 Mpa-9 Mpa.
Optionally, the preset second angle range is-1 to 1 degree.
In a second aspect, the present invention further provides a loop for preventing steel strip from piling, comprising:
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
a stopping sending module, configured to stop sending a first sending speed to a second rough rolling stand located downstream of the loop when the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, where the first sending speed is calculated according to the first angle deviation;
the increasing module is used for increasing the driving torque of the hydraulic cylinder of the loop according to the first angle deviation;
a second obtaining module, configured to obtain a second angular deviation of the loop after stopping sending the first transmission speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and the sending module is used for sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
In a third aspect, the present invention further provides an electronic device, which includes a memory and a processor, where the processor is configured to implement the steps of the method for preventing steel piling of strip steel according to the first aspect when executing the computer program stored in the memory.
In a fourth aspect, the present invention also provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the method for preventing strip stacking according to the first aspect.
According to the technical scheme, the method and the related equipment for preventing the steel from being piled with the strip steel, provided by the embodiment of the invention, are used for acquiring the first angle deviation of the loop and acquiring the target tension deviation of the loop, wherein the strip steel is arranged between the first rough rolling stand and the second rough rolling stand, and the loop is arranged on the strip steel; stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation; increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation; obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation; and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation. In this way, in the case where the first angular deviation is within a preset first angular range and the target tension deviation is within a target tension range, the sending of the first conveying speed to the second roughing stand downstream of the loop can be stopped and the driving torque of the hydraulic cylinder of the loop can be increased in accordance with the first angular deviation. The risk that the loop is continuously pressed down by the strip steel can be eliminated, and the probability of steel piling accidents is reduced.
Drawings
FIG. 1 is a flowchart of a method for preventing steel strip from piling according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a rough rolling area of a thin slab continuous casting and rolling production line provided in an embodiment of the present application;
FIG. 3 is a schematic view of an H1 inlet sleeve according to an embodiment of the present disclosure;
FIG. 4 is a table of additional drive torque coefficients for a hydraulic piston cylinder according to an embodiment of the present disclosure;
FIG. 5 is a structural diagram of a loop for preventing steel strip from piling provided by an embodiment of the present application;
fig. 6 is a schematic diagram of an embodiment of an electronic device according to an embodiment of the present application;
fig. 7 is a schematic diagram illustrating an embodiment of a computer-readable storage medium according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions provided by the embodiments of the present specification, the technical solutions of the embodiments of the present specification are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present specification are detailed descriptions of the technical solutions of the embodiments of the present specification, and are not limitations on the technical solutions of the embodiments of the present specification, and the technical features in the embodiments and examples of the present specification may be combined with each other without conflict.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes the case of two or more.
Referring to fig. 1, fig. 1 is a flow chart of a method for preventing steel strip from piling according to the present invention. As shown in fig. 1, the method comprises the following steps:
101, acquiring a first angle deviation of a loop, and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel.
In step 101, as shown in fig. 2, a schematic diagram of a rough rolling area of a thin slab continuous casting and rolling line is shown. In fig. 2, three roughing stands are shown, H0, H1, and H2 respectively. A loop 1 is arranged between H0 and H1, and a loop 2 is arranged between H1 and H2. Fig. 3 shows a schematic position of an H1 inlet sleeve. In fig. 3, the position of the looper is between the looper and the entrance of the roughing stand H1.
A first angular deviation of the loop may be obtained and a target tension deviation of the loop may be obtained. And a band steel is arranged between the first rough rolling stand and the second rough rolling stand, and a loop is arranged on the band steel.
Optionally, the obtaining the first angle deviation of the loop includes:
detecting an actual angle of the loop;
and calculating the difference value between the actual angle and the set angle as the first angle deviation of the loop.
Further, the actual angle of the loop may be detected by a loop encoder. And then the difference value between the actual angle and the set angle of the loop can be calculated as the first angle deviation of the loop.
Optionally, the obtaining of the target tension deviation of the loop includes:
detecting the actual tension of the loop;
and calculating the difference value of the actual tension and the set tension as the target tension deviation of the loop.
Furthermore, the actual tension of the loop can be detected through a pressure sensor on the loop valve stand. And then the difference value between the actual tension of the loop and the set tension can be calculated as the target tension deviation of the loop.
And 102, stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop when the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation.
In step 102, when the first angle deviation is within the preset first angle range and the target tension deviation is within the target tension range, the first conveying speed may be stopped from being sent to the second roughing stand located downstream of the loop, that is, the speed cascade output of the loop angle closed-loop system may be cut off. Wherein the first transfer speed is calculated based on the first angular deviation.
Optionally, the preset first angle range is-2.5 degrees to-10.5 degrees.
Further, the preset first angle range may be-2.5 degrees to-10.5 degrees.
Optionally, the target tension range is 5 Mpa-9 Mpa.
Further, the target tension range may be 5Mpa to 9 Mpa.
And 103, increasing the driving torque of the hydraulic cylinder of the loop according to the first angle deviation.
In step 103, the drive torque of the hydraulic cylinder of the loop may be increased according to the first angular deviation.
Optionally, the increasing the driving torque of the hydraulic cylinder of the loop according to the first angular deviation includes:
determining a target additional driving torque coefficient corresponding to the first angle deviation;
calculating the product of the target additional driving torque coefficient and a set torque to obtain an additional driving torque;
and increasing the driving torque of the hydraulic cylinder of the loop according to the additional driving torque.
The drive torque of the hydraulic looping cylinder can be increased in layers as a function of the first angular deviation. First, a target additional drive torque coefficient may be determined for the first angular deviation. It should be noted that different angular deviations may correspond to different additional drive torque coefficients. Fig. 4 shows a hierarchical table of the coefficients of additional drive torque of the hydraulic ram. In fig. 4, 6 sets of angular deviations and additional drive torque coefficients corresponding to the angular deviations are listed.
The product of the target additional drive torque coefficient and the set torque may then be calculated to obtain the additional drive torque Δ M. Subsequently, the drive torque of the hydraulic cylinder of the loop can be increased as a function of the additional drive torque Δ M.
And 104, after the first transmission speed is stopped from being sent to the second rough rolling stand and the driving moment of the hydraulic cylinder of the loop is increased according to the first angle deviation, obtaining a second angle deviation of the loop.
In step 104, a second angular deviation of the loop can be obtained after stopping the sending of the first conveying speed to the second roughing stand and increasing the drive torque of the hydraulic cylinder of the loop according to the first angular deviation.
And 105, sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
In step 105, in case that the second angle deviation is within the preset second angle range, the second transfer speed may be sent to the second roughing stand, that is, the speed cascade output of the loop angle closed-loop system may be recovered. Wherein the second conveying speed is calculated based on the second angular deviation.
Optionally, the preset second angle range is-1 to 1 degree.
Further, the preset second angle range may be-1 to 1 degree.
It should be noted that, in the prior art, in the endless production mode of the thin slab, the factors disturbing the transmission speed of the roughing stand are more, and the inlet thickness of the roughing stand is thicker, which may cause the second flow of the roughing stand to decrease continuously. The strip steel between the loop and the inlet of the rough rolling stand is gradually pulled up, so that the strip steel at the position of the loop continuously presses down the loop. The loop is pressed down, which causes the transmission speed of the roughing stand to be reduced rapidly, and causes steel piling accidents.
In the present application, however, in the case where the first angular deviation is within a preset first angular range and the target tension deviation is within a target tension range, the sending of the first conveying speed to the second roughing stand downstream of the loop may be stopped and the driving torque of the hydraulic cylinder of the loop may be increased in accordance with the first angular deviation. The risk that the loop is continuously pressed down by the strip steel can be eliminated, and the probability of steel piling accidents is reduced.
According to the technical scheme, the method for preventing the steel from being piled by the strip steel, provided by the embodiment of the invention, comprises the steps of obtaining the first angle deviation of the loop and obtaining the target tension deviation of the loop, wherein the strip steel is arranged between the first rough rolling stand and the second rough rolling stand, and the loop is arranged on the strip steel; stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation; increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation; obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation; and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation. In this way, in the case where the first angular deviation is within a preset first angular range and the target tension deviation is within a target tension range, the sending of the first conveying speed to the second roughing stand downstream of the loop can be stopped and the driving torque of the hydraulic cylinder of the loop can be increased in accordance with the first angular deviation. The risk that the loop is continuously pressed down by the strip steel can be eliminated, and the probability of steel piling accidents is reduced.
Referring to fig. 5, fig. 5 is a structural view of a loop for preventing steel strip from piling according to the present invention. As shown in fig. 5, the loop 500 for preventing steel strip from piling comprises a first obtaining module 501, a sending stopping module 502, an adding module 503, a second obtaining module 504 and a sending module 505, wherein:
a first obtaining module 501, configured to obtain a first angle deviation of a loop and obtain a target tension deviation of the loop, where a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
a stop sending module 502, configured to stop sending a first sending speed to a second roughing stand located downstream of the loop when the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, where the first sending speed is calculated according to the first angle deviation;
an increasing module 503, configured to increase a driving torque of a hydraulic cylinder of the loop according to the first angle deviation;
a second obtaining module 504, configured to obtain a second angular deviation of the loop after stopping sending the first sending speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
a sending module 505, configured to send a second conveying speed to the second roughing stand when the second angle deviation is within a preset second angle range, where the second conveying speed is calculated according to the second angle deviation.
The loop 500 for preventing steel strip from being stacked can realize each process of the loop for preventing steel strip from being stacked in the method embodiment of fig. 1, and is not described herein again to avoid repetition. And the loop 500 for preventing the steel from being piled up from the strip steel can stop sending the first transmission speed to the second roughing stand located at the downstream of the loop under the condition that the first angle deviation is within the preset first angle range and the target tension deviation is within the target tension range, and can increase the driving moment of the hydraulic cylinder of the loop according to the first angle deviation. The risk that the loop is continuously pressed down by the strip steel can be eliminated, and the probability of steel piling accidents is reduced.
Referring to fig. 6, fig. 6 is a schematic view of an embodiment of an electronic device according to an embodiment of the present application.
As shown in fig. 6, an electronic device 600 according to an embodiment of the present application includes a memory 610, a processor 620, and a computer program 611 stored in the memory 610 and executable on the processor 620, where the processor 620 executes the computer program 611 to implement the following steps:
acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation;
increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation;
obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
In a specific implementation, when the processor 620 executes the computer program 611, any of the embodiments corresponding to fig. 1 may be implemented.
Since the electronic device described in this embodiment is a device for implementing a loop for preventing steel strip from piling in the embodiment of the present application, based on the method described in this embodiment, a person skilled in the art can understand the specific implementation manner of the electronic device of this embodiment and various variations thereof, so that how to implement the method in this embodiment of the present application by the electronic device will not be described in detail herein, and as long as the person skilled in the art implements the device used in the method in this embodiment of the present application, the device used in this embodiment of the present application falls within the scope of protection intended by the present application.
Referring to fig. 7, fig. 7 is a schematic diagram illustrating an embodiment of a computer-readable storage medium according to the present application.
As shown in fig. 7, the present embodiment provides a computer-readable storage medium 700 having a computer program 711 stored thereon, the computer program 711, when executed by a processor, implementing the steps of:
acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation;
increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation;
obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
In a specific implementation, the computer program 711 may implement any of the embodiments corresponding to fig. 1 when executed by a processor.
It should be noted that, in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The embodiment of the application also provides a computer program product, which comprises computer software instructions, and when the computer software instructions are run on processing equipment, the processing equipment executes the flow in the method for preventing steel piling of strip steel in the corresponding embodiment of fig. 1.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that is integrated with one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A method for preventing strip steel from piling is characterized by comprising the following steps:
acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, wherein a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
stopping sending a first transmission speed to a second rough rolling frame located at the downstream of the loop under the condition that the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, wherein the first transmission speed is calculated according to the first angle deviation;
increasing a drive torque of a hydraulic cylinder of the loop according to the first angular deviation;
obtaining a second angular deviation of the loop after stopping sending the first conveying speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
2. The method of claim 1, wherein said increasing a drive torque of a hydraulic cylinder of the loop in accordance with the first angular deviation comprises:
determining a target additional driving torque coefficient corresponding to the first angle deviation;
calculating the product of the target additional driving torque coefficient and a set torque to obtain an additional driving torque;
and increasing the driving torque of the hydraulic cylinder of the loop according to the additional driving torque.
3. The method of claim 2, wherein said obtaining a first angular offset of the loop comprises:
detecting an actual angle of the loop;
and calculating the difference value between the actual angle and the set angle as the first angle deviation of the loop.
4. The method of claim 3, wherein said obtaining a target tension deviation for said loop comprises:
detecting the actual tension of the loop;
and calculating the difference value of the actual tension and the set tension as the target tension deviation of the loop.
5. The method of any one of claims 1 to 4, wherein the predetermined first angle range is between-2.5 degrees and-10.5 degrees.
6. The method of claim 5, wherein the target tension is in the range of 5Mpa to 9 Mpa.
7. The method of claim 6, wherein the predetermined second angle ranges from-1 degree to 1 degree.
8. A loop for preventing steel strip from piling up is characterized by comprising:
the device comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a first angle deviation of a loop and acquiring a target tension deviation of the loop, a strip steel is arranged between a first rough rolling stand and a second rough rolling stand, and the loop is arranged on the strip steel;
a stopping sending module, configured to stop sending a first sending speed to a second rough rolling stand located downstream of the loop when the first angle deviation is within a preset first angle range and the target tension deviation is within a target tension range, where the first sending speed is calculated according to the first angle deviation;
the increasing module is used for increasing the driving torque of the hydraulic cylinder of the loop according to the first angle deviation;
a second obtaining module, configured to obtain a second angular deviation of the loop after stopping sending the first transmission speed to the second roughing stand and increasing a driving torque of a hydraulic cylinder of the loop according to the first angular deviation;
and the sending module is used for sending a second transmission speed to the second rough rolling stand under the condition that the second angle deviation is within a preset second angle range, wherein the second transmission speed is calculated according to the second angle deviation.
9. An electronic device comprising a memory and a processor, wherein the processor is configured to implement the steps of the method for preventing strip stacking according to any one of claims 1 to 7 when executing a computer program stored in the memory.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a processor, implements the steps of the method of preventing strip piling according to any one of claims 1 to 7.
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