CN114160767A - Arrangement method for confirming installation datum line of continuous casting equipment by adopting traversal method - Google Patents
Arrangement method for confirming installation datum line of continuous casting equipment by adopting traversal method Download PDFInfo
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- CN114160767A CN114160767A CN202111391681.5A CN202111391681A CN114160767A CN 114160767 A CN114160767 A CN 114160767A CN 202111391681 A CN202111391681 A CN 202111391681A CN 114160767 A CN114160767 A CN 114160767A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to an arrangement method for confirming an installation datum line of continuous casting equipment by adopting a traversal method, which comprises the steps of carrying out joint measurement on key points of field equipment and well-arranged three-dimensional control points, identifying points on two sides of a driving line L and a non-driving line R in a picture, connecting the points by using line segments to obtain a plurality of parallel line segments, then measuring and generating a coordinate system by taking an intersection point of a casting streamline, an outer arc line and a +/-0 elevation datum line as an origin to obtain a three-dimensional coordinate value of each space control point. The invention has the characteristics of improving the working efficiency, improving the equipment installation detection precision, being simple and convenient to operate and the like.
Description
Technical Field
The invention relates to the technical field of engineering measurement, in particular to an arrangement method for confirming an installation datum line of continuous casting equipment by adopting a traversal method.
Background
The arc-shaped continuous casting machine has the advantages of economy and quickness, most of the slab continuous casting machines at home and abroad are arc-shaped continuous casting machines at the present stage, and after the arc-shaped continuous casting machines are produced for a certain time, the quality of casting blank products is reduced due to deformation of foundations and equipment, the quality of products during just production cannot be achieved, and a large amount of cost investment is needed for processing the defects of the products. In order to ensure the product quality, a production side needs to detect the position of the equipment once every two years and carry out position recovery adjustment operation on the deviation part. Before adjustment, the installation datum used when the installation equipment is needed to be found comprises a plane position datum point and an elevation datum point. And detecting the key position of the existing old equipment by taking the key position as a reference. When confirming the benchmark, often can face the installation benchmark and lose or with the unmatched problem of existing equipment, if detect according to old benchmark, the deviation can be more, adjustment work load also can increase, the host computer district casts the link up of streamline and rear portion rollgang center and also can the problem appear.
Therefore, how to fit the optimal installation standard according to the detection data of the old equipment to minimize the adjustment workload is more appropriate to the old equipment, which is the most important task at the beginning of each overhaul operation and directly influences the use effect after adjustment. The method is different from person to person, and the three-dimensional coordinate data of each position is obtained by detecting the key position of the existing equipment, the data are analyzed, the gross errors are eliminated, two mutually perpendicular central datum lines and elevation datum points are manually analyzed and judged, and the two mutually perpendicular central datum lines and the two mutually perpendicular elevation datum points are substituted into a space three-dimensional control point. The process is complicated, the workload is large, and the result obtained by fitting and analyzing is not necessarily the optimal solution. Often, in order to avoid a tedious and tedious data analysis process, a certain point regarded as reliable on the designated equipment is used as a detection basis, which often causes large-area readjustment of the existing equipment, and increases unnecessary workload.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the arrangement method for confirming the installation datum line of the continuous casting equipment by adopting the traversal method, and the arrangement method has the characteristics of improving the working efficiency, improving the equipment installation detection precision, being simple and convenient to operate and the like.
The positioning plate on the fan-shaped section basic frame is subjected to position detection during each overhaul and annual overhaul of the slab continuous casting machine, the overhaul period is delayed and the detection result is inaccurate due to the fact that the installation reference point cannot be found or the reference point is inaccurate. The invention aims to comprehensively detect the position of the existing equipment, analyze the position data of the existing equipment by a circulation convenience method, set a threshold value, fit an optimal installation datum line and provide the most reasonable reference for the next procedure.
The technical scheme adopted by the invention for solving the technical problems is to analyze and fit the measured data in software according to a circular traversal analysis method and finally output an optimal solution. The method comprises the following steps:
the method comprises the following steps: preparation work: and performing joint measurement on the key characteristic points of the on-site equipment to be measured and the distributed three-dimensional control points by using the existing coordinate system of the instrument.
Step two: and acquiring the three-dimensional coordinate data of the joint measurement and importing the three-dimensional coordinate data into an operation system.
Step three: points on two sides of the driving L and the non-driving R are identified in the picture and connected by line segments to obtain a plurality of parallel line segments.
Step four: by setting a threshold, it is determined which line segments are close to parallel. And fitting a line, wherein the perpendicular line is the casting line direction.
Step five: and (4) constructing a basic straight line by using the central point of the driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the non-driving side point set.
Step six: and (4) constructing a basic straight line by using the central point of the non-driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the driving side point set.
Step seven: and (4) determining the casting flow line by taking the straight line position with the least number of moving points.
Step eight: and comparing L, R projection points of the measurement points on the two sides on the casting line, traversing and searching the distance between each point and other points, and calculating according to the distance between the point and the outer arc line in the design value by taking the point as the optimal point and the distance between the point and other points in the design drawing as the error range to control the origin point coordinates of the net to construct the outer arc line.
Step nine: and calculating relative coordinates of the measuring points through the height difference of each point in the design drawing from the original point coordinate, and determining the Z coordinate in an error allowable range by the principle of least moving point positions.
Step ten: and (4) generating a coordinate system by taking the intersection point of the casting streamline, the camber line and the +/-0 elevation datum line as an origin, obtaining the three-dimensional coordinate value of each space control point, and detecting the equipment again after adjusting according to the three-dimensional coordinate value.
And step five, moving the basic straight line by acquiring the points with the maximum and minimum distances from the central point in the point set and taking the allowed error from the maximum distance point as a step length so as to calculate and obtain the side point set and the non-driving side point set, wherein the number of the moving points and the maximum moving distance are required.
And step six, moving the basic straight line from the maximum point to the maximum point and the minimum point to the central point in the point set according to the allowable error, thereby calculating and obtaining the point number and the maximum moving distance required for moving the side point set and the driving side point set.
Has the advantages that: the invention relates to an arrangement method for confirming an installation datum line of continuous casting equipment by adopting a traversal method, which obtains an optimal solution by using a circular traversal method, improves the precision of a fitting control net, is consistent with the position of original equipment, accurately finds out a deviation point position, greatly reduces the adjustment amount, improves the working efficiency, gets rid of manual analysis and judgment, is more comprehensive and reliable, greatly reduces the time cost of data analysis work, and has the characteristics of improving the working efficiency, improving the equipment installation detection precision, being simple and convenient to operate and the like.
Drawings
FIG. 1 is a flow chart of the operation of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a layout method for confirming an installation datum line of continuous casting equipment by adopting a traversal method, which comprises the following steps as shown in figure 1:
the method comprises the following steps: preparation work: and performing joint measurement on the key characteristic points of the on-site equipment to be measured and the distributed three-dimensional control points by using the existing coordinate system of the instrument.
Step two: and acquiring the three-dimensional coordinate data of the joint measurement and importing the three-dimensional coordinate data into an operation system.
A theoretical value parameter is originally set in a computer of the operation system, measured three-dimensional coordinate data are imported into the computer, the theoretical value parameter and an actual parameter are compared by the system, and the parameter with the minimum deviation value is taken out to serve as a coordinate point.
Step three: points on two sides of the driving L and the non-driving R are identified in the picture and connected by line segments to obtain a plurality of parallel line segments.
Step four: by setting a threshold, it is determined which line segments are close to parallel. And fitting a line, wherein the perpendicular line is the casting line direction.
Step five: and (4) constructing a basic straight line by using the central point of the driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the non-driving side point set.
Step six: and (4) constructing a basic straight line by using the central point of the non-driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the driving side point set.
Step seven: and (4) determining the casting flow line by taking the straight line position with the least number of moving points.
Step eight: and comparing L, R projection points of the measurement points on the two sides on the casting line, traversing and searching the distance between each point and other points, and calculating according to the distance between the point and the outer arc line in the design value by taking the point as the optimal point and the distance between the point and other points in the design drawing as the error range to control the origin point coordinates of the net to construct the outer arc line.
Step nine: and calculating relative coordinates of the measuring points through the height difference of each point in the design drawing from the original point coordinate, and determining the Z coordinate in an error allowable range by the principle of least moving point positions.
Step ten: and (4) generating a coordinate system by taking the intersection point of the casting streamline, the camber line and the +/-0 elevation datum line as an origin, obtaining the three-dimensional coordinate value of each space control point, and detecting the equipment again after adjusting according to the three-dimensional coordinate value.
And step five, moving the basic straight line by acquiring the points with the maximum and minimum distances from the central point in the point set and taking the allowed error from the maximum distance point as a step length so as to calculate and obtain the side point set and the non-driving side point set, wherein the number of the moving points and the maximum moving distance are required.
And step six, moving the basic straight line from the maximum point to the maximum point and the minimum point to the central point in the point set according to the allowable error, thereby calculating and obtaining the point number and the maximum moving distance required for moving the side point set and the driving side point set.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above detailed description is given to an arrangement method for confirming an installation datum line of continuous casting equipment by using a traversal method, a specific example is applied in the detailed description to explain the principle and the implementation mode of the application, and the description of the above embodiment is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (3)
1. An arrangement method for confirming an installation datum line of continuous casting equipment by adopting a traversal method comprises the following specific steps:
the method comprises the following steps: preparation work: performing joint measurement on key characteristic points of the on-site equipment to be measured and the distributed three-dimensional control points by using an existing coordinate system of the instrument;
step two: acquiring three-dimensional coordinate data of joint measurement and importing the three-dimensional coordinate data into an operation system;
step three: identifying points on two sides of the driving L and the non-driving R in the picture, and connecting the points by using line segments to obtain a plurality of parallel line segments;
step four: judging which line segments are approximately parallel by setting a threshold value, and fitting a line, wherein a perpendicular line is taken as a casting line direction;
step five: constructing a basic straight line by using the center point of the driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the non-driving side point set;
step six: constructing a basic straight line by using the central point of the non-driving side point set and the casting line direction to obtain the number of moving points and the maximum moving distance of the side point set and the driving side point set;
step seven: determining a casting flow line by taking the straight line position with the least number of moving points;
step eight: comparing L, R two side measuring points on casting line projection points, traversing and searching each point and other points distance, and with the point in the design drawing where the distance between the point and other points is most in error range, taking the point as the optimum point, calculating according to the distance between the point design value and the outer arc line, controlling the net origin point coordinate to construct the outer arc line;
step nine: calculating relative coordinates of the measuring points through the height difference of each point in the design drawing from the original point coordinate, and determining a Z coordinate in an error allowable range by the principle of least moving point positions;
step ten: and (4) generating a coordinate system by taking the intersection point of the casting streamline, the camber line and the +/-0 elevation datum line as an origin, obtaining the three-dimensional coordinate value of each space control point, and detecting the equipment again after adjusting according to the three-dimensional coordinate value.
2. The arrangement method for confirming the installation reference line of the continuous casting equipment by the traversal method according to claim 1, wherein: and step five, moving the basic straight line by acquiring the points with the maximum and minimum distances from the central point in the point set and taking the allowed error from the maximum distance point as a step length so as to calculate and obtain the side point set and the non-driving side point set, wherein the number of the moving points and the maximum moving distance are required.
3. The arrangement method for confirming the installation reference line of the continuous casting equipment by using the traversal method as claimed in claim 2, wherein: and step six, moving the basic straight line from the maximum point to the maximum point and the minimum point to the central point in the point set according to the allowable error, thereby calculating and obtaining the point number and the maximum moving distance required for moving the side point set and the driving side point set.
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