CN114160767B - 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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- CN114160767B CN114160767B CN202111391681.5A CN202111391681A CN114160767B CN 114160767 B CN114160767 B CN 114160767B CN 202111391681 A CN202111391681 A CN 202111391681A CN 114160767 B CN114160767 B CN 114160767B
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Continuous Casting (AREA)
Abstract
The application relates to a method for confirming the arrangement of a mounting datum line of continuous casting equipment by adopting a traversal method, which is used for carrying out joint measurement on key points of field equipment and well-arranged three-dimensional control points, identifying points on two sides of a drive L and a non-drive R in a picture, connecting the points by line segments to obtain a plurality of parallel line segments, and then measuring intersection points of a casting line, an outer arc line and a + -0 elevation datum line as an origin to generate a coordinate system to obtain three-dimensional coordinate values of each space control point. The application has the characteristics of improving the working efficiency, improving the equipment installation and detection precision, being simple and convenient to operate and the like.
Description
Technical Field
The application 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 continuous casting machine has the advantage of economy and rapidness, most of the slab continuous casting machines at home and abroad at the present stage are arc continuous casting machines, and after the arc 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 the products just produced cannot be achieved, and a large amount of cost is required for treating the defects of the products. The production side needs to detect the position of the equipment every two years to ensure the quality of the product, and carries out the adjustment operation of position recovery on the deviation part. The installation references used when the installation equipment is required to be found before adjustment, including a plane position reference point and an elevation reference point. And detecting the key position of the existing old equipment by taking the key position as a reference. When determining the standard, the problem that the installation standard is lost or is not matched with the existing equipment is often faced, if the standard is detected according to the old standard, the deviation is more, the adjustment workload is increased, and the connection between the casting line of the host area and the center of the rear transportation roller way is also problematic.
Therefore, how to fit the best installation standard according to the detection data of the old equipment, so that the adjustment workload is minimum, and the best installation standard is more matched with the old equipment, is the most important work when the overhaul operation starts each time, and directly influences the use effect after adjustment. The method is different from person to person, three-dimensional coordinate data of each position is obtained by detecting key positions of the existing equipment, the data are analyzed, coarse errors are removed, two mutually perpendicular center datum lines and elevation datum points are manually analyzed and judged, and the two mutually perpendicular center datum lines and the elevation datum points are substituted into a space three-dimensional control point. The process is complicated, the workload is large, and the fitting analysis result is not necessarily the optimal solution. Often, in order to avoid a lengthy and tedious data analysis process, individual points considered reliable on the device are designated as detection basis, which often results in large-area readjustment of the existing device, and thus unnecessary workload is increased.
Disclosure of Invention
The technical problem to be solved by the application is to provide a method for confirming the arrangement of the installation datum line of the continuous casting equipment by adopting a traversal method, which has the characteristics of improving the working efficiency, improving the equipment installation detection precision, being simple and convenient to operate and the like.
The plate blank continuous casting machine carries out position detection on the positioning plate on the sector section foundation frame during overhaul and annual repair each time, and the overhaul construction period is delayed and the detection result is inaccurate because the installation datum point cannot be found or the datum point is inaccurate. The application aims to comprehensively detect the position of the existing equipment, analyze the position data of the existing equipment through a circulation convenience method, set a threshold value, fit an optimal installation datum line and provide the most reasonable datum for the next working procedure.
According to the technical scheme adopted for solving the technical problems, according to a cyclic traversal analysis method, analysis fitting is carried out on measured data in software, and finally an optimal solution is output. The method comprises the following steps:
step one: preparation: and carrying out joint measurement on key characteristic points and well-laid three-dimensional control points of the on-site equipment to be measured by using the existing coordinate system of the instrument.
Step two: and acquiring the three-dimensional coordinate data of the joint measurement and leading the three-dimensional coordinate data into an operation system.
Step three: and identifying points at two sides of the driving L and the non-driving R in the picture, and connecting the points with line segments to obtain a plurality of parallel line segments.
Step four: by setting a threshold, it is determined which line segments are nearly parallel. And fitting a line, and taking the perpendicular line as the casting line direction.
Step five: and 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 points to be moved and the maximum movement distance in the side point set and the non-driving side point set.
Step six: and constructing a basic straight line by using the center point of the non-driving side point set and the casting line direction to obtain the number of points and the maximum moving distance required to move in the side point set and the driving side point set.
Step seven: and taking the straight line position with the least number of moving points, and determining a casting line.
Step eight: and (3) by comparing the projection points of the measuring points on the two sides of L, R on the casting line, traversing and searching the distance between each point and other points, and taking the point with the largest distance between the point and other points in the design drawing as the optimal point, calculating according to the distance between the point and the outer arc line in the design value of the point, and controlling the origin coordinates of the network to construct the outer arc line.
Step nine: and calculating the relative coordinates of the measuring points according to the height difference between each point and the original point in the design drawing, and determining the Z coordinate in the error allowable range according to the minimum principle of moving the point.
Step ten: and generating a coordinate system by taking the intersection point of the casting line, the outer arc line and the + -0 elevation datum line as an origin to obtain a three-dimensional coordinate value of each space control point, and detecting again after adjusting the equipment according to the three-dimensional coordinate value.
And fifthly, obtaining points with the maximum and minimum distances from the center point in the point set, moving a basic straight line from the maximum point according to the allowable error as a step length, and calculating to obtain the side point set and the non-driving side point set, wherein the number of points and the maximum movement distance are required to be moved.
And step six, the points with the maximum and minimum distances from the central point in the point set are obtained, and the basic straight line is moved from the maximum point according to the allowable error as the step length, so that the point set and the driving side point set are obtained through calculation, and the number of points and the maximum movement distance are required to be moved.
The beneficial effects are that: the application relates to a method for confirming the arrangement of a mounting datum line of continuous casting equipment by adopting a traversal method, which obtains an optimal solution by using a cyclic traversal method, improves the precision of fitting a control network, is matched with the position of original equipment, accurately finds out a deviation point, greatly reduces adjustment quantity, improves 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 mounting detection precision, being simple and convenient to operate and the like.
Drawings
Fig. 1 is a flow chart of the operation of the present application.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
The embodiment of the application relates to a method for confirming the arrangement of an installation datum line of continuous casting equipment by adopting a traversal method, which comprises the following steps as shown in fig. 1:
step one: preparation: and carrying out joint measurement on key characteristic points and well-laid three-dimensional control points of the on-site equipment to be measured by using the existing coordinate system of the instrument.
Step two: and acquiring the three-dimensional coordinate data of the joint measurement and leading the three-dimensional coordinate data into an operation system.
The computer of the computing system is originally provided with theoretical value parameters, the measured three-dimensional coordinate data are imported into the computer, the system compares the theoretical value parameters with actual parameters, and the parameter with the smallest deviation value is taken out as a coordinate point.
Step three: and identifying points at two sides of the driving L and the non-driving R in the picture, and connecting the points with line segments to obtain a plurality of parallel line segments.
Step four: by setting a threshold, it is determined which line segments are nearly parallel. And fitting a line, and taking the perpendicular line as the casting line direction.
Step five: and 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 points to be moved and the maximum movement distance in the side point set and the non-driving side point set.
Step six: and constructing a basic straight line by using the center point of the non-driving side point set and the casting line direction to obtain the number of points and the maximum moving distance required to move in the side point set and the driving side point set.
Step seven: and taking the straight line position with the least number of moving points, and determining a casting line.
Step eight: and (3) by comparing the projection points of the measuring points on the two sides of L, R on the casting line, traversing and searching the distance between each point and other points, and taking the point with the largest distance between the point and other points in the design drawing as the optimal point, calculating according to the distance between the point and the outer arc line in the design value of the point, and controlling the origin coordinates of the network to construct the outer arc line.
Step nine: and calculating the relative coordinates of the measuring points according to the height difference between each point and the original point in the design drawing, and determining the Z coordinate in the error allowable range according to the minimum principle of moving the point.
Step ten: and generating a coordinate system by taking the intersection point of the casting line, the outer arc line and the + -0 elevation datum line as an origin to obtain a three-dimensional coordinate value of each space control point, and detecting again after adjusting the equipment according to the three-dimensional coordinate value.
And fifthly, obtaining points with the maximum and minimum distances from the center point in the point set, moving a basic straight line from the maximum point according to the allowable error as a step length, and calculating to obtain the side point set and the non-driving side point set, wherein the number of points and the maximum movement distance are required to be moved.
And step six, the points with the maximum and minimum distances from the central point in the point set are obtained, and the basic straight line is moved from the maximum point according to the allowable error as the step length, so that the point set and the driving side point set are obtained through calculation, and the number of points and the maximum movement distance are required to be moved.
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 exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description of the method for confirming the arrangement of the installation datum line of the continuous casting equipment by adopting the traversal method is provided by the application, and specific examples are applied to describe the principle and the implementation mode of the application, and the description of the above examples is only used for helping to understand the method and the core idea of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (3)
1. The method for confirming the arrangement of the installation datum line of the continuous casting equipment by adopting a traversal method comprises the following specific steps:
step one: preparation: the method comprises the steps of performing joint measurement on key feature points of equipment to be measured on site by taking an existing coordinate system of an instrument as a reference, and measuring coordinate positions of each point of the key feature points;
step two: acquiring three-dimensional coordinate data of the joint measurement and leading the three-dimensional coordinate data into an operation system;
step three: identifying key feature points at two sides of a driving position L and key feature points at two sides of a non-driving position R in an operation system picture, and connecting the key feature points in the same group by line segments to obtain a plurality of line segments;
step four: determining which line segments are nearly parallel by setting a threshold value, and fitting a line which is vertical to the nearly parallel line segments and points to the 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 points to be moved and the maximum movement distance in the side point set and the non-driving side point set;
step six: constructing a basic straight line by using the center point of the non-driving side point set and the casting line direction to obtain the number of points to be moved and the maximum movement distance in the side point set and the driving side point set;
step seven: taking the straight line position with the least number of moving points, and determining a casting line;
step eight: the method comprises the steps of comparing the projection points of measuring points on two sides of L, R on a casting line, traversing and searching the projection points, and constructing an outer arc line according to the original point coordinates of the existing coordinate system of a control instrument by taking the point with the most distance between the projection points and other points in the measuring points on two sides of L, R and the point with the most distance between the projection points and other points in a design drawing as the optimal point;
step nine: calculating the relative coordinates of the measuring points through the height difference between each measuring point and the original point in the design drawing, and determining the Z coordinate in the error allowable range according to the principle of least moving point;
step ten: and generating a coordinate system by taking the intersection point of the casting line, the outer arc line and the Z coordinate as an origin point to obtain a three-dimensional coordinate value of each space control point, and detecting again after adjusting the equipment according to the three-dimensional coordinate value.
2. A method for confirming an arrangement of an installation reference line of a continuous casting apparatus by using a traversal method according to claim 1, wherein: and fifthly, obtaining points with the maximum and minimum distances from the center point in the point set, moving a basic straight line from the maximum point according to the allowable error as a step length, and calculating to obtain the side point set and the non-driving side point set, wherein the number of points and the maximum movement distance are required to be moved.
3. A method for confirming an arrangement of a mounting reference line of a continuous casting apparatus by using a traversal method according to claim 2, wherein: and step six, obtaining points with the maximum and minimum distances from the central point in the point set, moving a basic straight line from the maximum point according to the allowable error as a step length, and calculating to obtain the side point set and the driving side point set, wherein the number of points and the maximum movement distance are required to be moved.
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