CN111790759A - Control method for continuous rolling mill installation measurement - Google Patents
Control method for continuous rolling mill installation measurement Download PDFInfo
- Publication number
- CN111790759A CN111790759A CN202010662438.1A CN202010662438A CN111790759A CN 111790759 A CN111790759 A CN 111790759A CN 202010662438 A CN202010662438 A CN 202010662438A CN 111790759 A CN111790759 A CN 111790759A
- Authority
- CN
- China
- Prior art keywords
- rolling
- rolling mill
- line
- measured
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- 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
Abstract
The invention relates to the technical field of continuous rolling mill installation, and provides a control method for continuous rolling mill installation measurement, which comprises the following steps of arranging a control line on an equipment basis, wherein the control line comprises a rolling central line and an offset central line which is positioned on one side of a rolling mill and is parallel to the rolling central line; erecting a measuring instrument on a rolling central line to measure the displacement of the rolling mill in a first direction; erecting a measuring instrument on the eccentric line to measure the displacement of the rolling mill in the rolling direction; the perpendicularity of the stand in the rolling mill is measured. In the preparation stage, the rolling central line and the eccentric line are arranged, so that the number of control lines is reduced, and the accumulated error caused by arrangement of the control lines is effectively reduced; in the measuring stage, when the horizontal displacement of each rolling mill is measured, the measuring instruments are erected on the rolling central line and the eccentric line, so that the consistency of the reference is ensured, the accumulated error generated in the measuring process is reduced, and the installation precision of the rolling mill is further improved.
Description
Technical Field
The invention relates to the technical field of continuous rolling mill installation, in particular to a control method for continuous rolling mill installation measurement.
Background
The continuous rolling mill comprises at least two rolling mills arranged at intervals along the rolling direction, each rolling mill comprises two bases arranged at intervals along the rolling direction, and two racks are arranged on each base at intervals along the direction perpendicular to the rolling direction. When the continuous rolling mill is installed, the base and the rack are positioned on an equipment foundation according to requirements, and the positioning accuracy and precision are important and difficult points of the whole engineering construction.
When the continuous rolling mill is accurately positioned, the traditional method is as follows: as shown in fig. 1, a control net composed of a rolling center line 1 and a frame center line 2 of N bars is arranged on the basis of the equipment, wherein the rolling mill center line 1 is perpendicular to the frame center line 2; and (3) erecting measuring instruments on a rolling central line 1 and a rack central line 2 respectively aiming at each rolling mill, and further measuring the horizontal transverse displacement and the horizontal longitudinal displacement of the rolling mill so as to accurately position the rolling mill. Therefore, N rolling mills share a rolling central line 1, a single rolling mill independently uses a rack central line 2 as a control basis, the number of control lines of continuous rolling mills is N +1, and the more the number of the control lines is, the more accumulated errors can be generated when the control lines are arranged, thereby further influencing the installation precision of the rolling mills.
Disclosure of Invention
The invention aims to provide a control method for continuous rolling mill installation measurement to improve the installation accuracy of a rolling mill.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for controlling the installation measurement of a continuous rolling mill, comprising
S1, arranging a control line on the basis of the equipment, wherein the control line comprises a rolling center line and an offset center line which is positioned on one side of the rolling mill and is parallel to the rolling center line;
s2, erecting a measuring instrument on the rolling center line, enabling the center of the measuring instrument to be located right above the rolling center line, and enabling a sight axis of the measuring instrument to be parallel to the rolling center line; measuring the displacement of the rolling mill in a first direction by a measuring instrument; controlling the rolling mill to move along a first direction, so that the installation position of the rolling mill in the first direction meets the installation requirement; the first direction is a horizontal direction perpendicular to a rolling center line; the measuring instrument is a total station or a theodolite;
s3, erecting a measuring instrument on the eccentric line, enabling the center of the measuring instrument to be located right above the eccentric line, and enabling a sighting axis of the measuring instrument to be parallel to the eccentric line; then horizontally rotating the measuring instrument by 90 degrees, and measuring the displacement of the rolling mill in the rolling direction by the measuring instrument; controlling the rolling mill to move along the rolling direction, so that the displacement of the rolling mill in the rolling direction meets the installation requirement;
s4, measuring the verticality of the stand in the rolling mill; and the frame is adjusted so that the perpendicularity of the frame meets the installation requirement.
Further, a method of arranging control lines on a device basis, comprising
S1.1, designing a rectangular control net according to a drawing of a continuous rolling mill, wherein two long sides of the rectangular control net are a rolling central line and an offset central line respectively;
s1.2, setting four embedded points corresponding to four corners of a rectangular control network on the basis of equipment; embedding central mark plates at the four embedding points, and sequentially connecting central holes of the four central mark plates to form a rectangular control line; wherein, two long sides of the rectangular control line are respectively a rolling central line and an offset central line;
s1.3, diagonal side slope distance inspection and four-corner verticality inspection are carried out on the rectangular control line, and the rectangular control line is guaranteed to reach design accuracy.
Further, in step S2, the method for measuring the displacement of the rolling mill in the first direction includes setting a point a to be measured on the operating side frame of the rolling mill, setting a point B to be measured on the driving side frame of the rolling mill, measuring the coordinates of the point a to be measured and the point B to be measured by the measuring instrument, calculating the distance from the point a to be measured to the rolling center line according to the coordinates of the point a to be measured, and calculating the distance from the point B to the rolling center line according to the coordinates of the point B to be measured.
Further, in step S3, the method for measuring the displacement of the rolling mill in the rolling direction includes setting a point C to be measured on the entrance side frame of the rolling mill, setting a point D to be measured on the exit side frame of the rolling mill, measuring the coordinates of the point C to be measured and the point D to be measured by the measuring instrument, and calculating the distance between the point C to be measured and the point D to be measured in the rolling direction according to the coordinates of the point C to be measured and the point D to be measured.
Further, in step S4, the method for measuring the perpendicularity of the frame includes
S4.1, screwing a screw into a bolt hole in the side face of the rack, connecting the upper end of the plumb line with the screw, and connecting a heavy object at the lower end of the plumb line;
and S4.2, measuring the distances from the points to be measured at different heights on the side surface of the rack to the plumb line, and calculating the verticality of the rack according to the measured distances.
Further, the distance from the plumb line to the side surface of the rack is 100-200 mm.
The invention has the beneficial effects that: according to the control method for continuous rolling mill installation measurement, in the preparation stage, the number of control lines is reduced by setting the rolling center line and the offset line, and the accumulated error caused by arrangement of the control lines is effectively reduced; in the measuring stage, when the horizontal displacement of each rolling mill is measured, the measuring instruments are erected on the rolling central line and the eccentric line, so that the consistency of the reference is ensured, the accumulated error generated in the measuring process is reduced, and the installation precision of the rolling mill is further improved.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below; it is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a prior art control line arrangement;
FIG. 2 is a schematic structural diagram of a control network arrangement in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a single rolling mill measured by a measuring instrument according to an embodiment of the invention;
fig. 4 is a schematic structural diagram for measuring the perpendicularity of the rack in the embodiment of the invention.
The reference numbers in the figures are: 1-rolling the center line; 2-the centre line of the frame; 10-rolling center line, 20-off-center line, 30-measuring instrument, 40-screw, 50-plumb line, 60-weight, 70-center target and 80-measuring tool.
Detailed Description
The invention is further illustrated with reference to the following figures and examples. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The control method for the installation measurement of the continuous rolling mill comprises the following steps
S1, arranging a control line on the basis of equipment, wherein the control line comprises a rolling center line 10 and an offset center line 20 which is positioned on one side of the rolling mill and is parallel to the rolling center line 10;
s2, erecting a measuring instrument 30 on the rolling center line 10, enabling the center of the measuring instrument 30 to be positioned right above the rolling center line 10, and enabling a sight axis of the measuring instrument 30 to be parallel to the rolling center line 10; measuring the displacement of the rolling mill in a first direction by means of the measuring instrument 30; controlling the rolling mill to move along a first direction, so that the installation position of the rolling mill in the first direction meets the installation requirement; the first direction is a horizontal direction perpendicular to the rolling center line 10; the measuring instrument 30 is a total station or a theodolite;
s3, erecting the measuring instrument 30 on the eccentric line 20, enabling the center of the measuring instrument 30 to be located right above the eccentric line 20, and enabling the sight axis of the measuring instrument 30 to be parallel to the eccentric line 20; then horizontally rotating the measuring instrument 30 by 90 degrees, and measuring the displacement of the rolling mill in the rolling direction by the measuring instrument 30; controlling the rolling mill to move along the rolling direction, so that the displacement of the rolling mill in the rolling direction meets the installation requirement;
s4, measuring the verticality of the stand in the rolling mill; and the frame is adjusted so that the perpendicularity of the frame meets the installation requirement.
After the continuous rolling mill is initially installed, the subsequent precise control of the continuous rolling mill needs to be realized by means of measurement, and the measurement work is roughly divided into two stages, namely a preparation stage and a measurement stage, wherein the preparation stage is a stage of arranging a control net on the basis of equipment, and the measurement stage is a stage of measuring the rolling mill by a measuring instrument 30 according to the control net.
The control method for the installation measurement of the continuous rolling mill is suitable for the accurate control of each rolling mill in the continuous rolling mill when the rolling mill is installed in place; through step S1, the control line composed of the rolling center line 10 and the off-center line 20 is arranged on the basis of the equipment, compared with the prior art, the number of the control lines is greatly reduced, the accumulated error generated when the control lines are arranged is further reduced, and the control precision in the preparation stage is improved. Through the step S2, the measuring instrument 30 is erected on the rolling control line 10, so as to realize the measurement control of the displacement of the rolling mill in the first direction, and when each rolling mill is measured, the sighting axis of the measuring instrument 30 takes the rolling center line 10 as the reference, thereby ensuring the consistency of the measuring reference, reducing the accumulated error and improving the measuring precision; through the step S3, the measuring instrument 30 is erected on the offset center line 20, so that the measurement control of the displacement of the rolling mill in the rolling direction is realized, and when each rolling mill is measured, the sighting axis of the measuring instrument 30 takes the offset center line 20 as a reference, and the sighting axis of the measuring instrument 30 can be ensured to be orthogonal to the rolling center line 10 only by rotating the sighting axis of the measuring instrument 30 by 90 degrees, so that the consistency of the measuring reference is ensured, the accumulated error is reduced, and the measuring precision is improved; the perpendicularity of the stand in the rolling mill is subjected to measurement control, through step S4. In the measuring stage formed by steps S2 to S4, when measurement is performed for each rolling mill, measurement control is performed with the rolling center line 10 and the off-center line 20 as references, so that the consistency of the measurement references is ensured, the accumulated error in the measuring process is reduced, and the installation accuracy of the rolling mill is further improved.
The arrangement of the control lines is explained below with reference to fig. 2. A method of arranging control lines on a device basis, comprising
S1.1, designing a rectangular control net according to a drawing of a continuous rolling mill, wherein two long sides of the rectangular control net are a rolling central line 10 and an offset central line 20 respectively;
s1.2, setting four embedded points corresponding to four corners of a rectangular control network on the basis of equipment; embedding central targets 70 at the four embedding points, and sequentially connecting central holes of the four central targets 70 to form a rectangular control line; wherein, two long sides of the rectangular control line are respectively a rolling central line 10 and an offset central line 20;
s1.3, diagonal side slope distance inspection and four-corner verticality inspection are carried out on the rectangular control line, and the rectangular control line is guaranteed to reach design accuracy.
In the step S1.1, a rectangular control net is designed according to a construction drawing of a continuous rolling mill, and two long sides of the rectangular control net are respectively a rolling central line 10 and an offset central line 20; by setting the control net to be rectangular, measurement and check are facilitated.
In step S1.2, as shown in fig. 2, four embedded points corresponding to four corners of the rectangular control network are determined on the basis of the equipment according to the shape and size of the rectangular control network, which are respectively a 1# embedded point, a 2# embedded point, a 3# embedded point and a 4# embedded point; then, center targets 70 are embedded at the four embedding points, so that the center holes of the four center targets 70 are sequentially connected to form a rectangular control line, the rectangular control line can not only increase the strength of a control graph, but also facilitate the check of the overall precision of the control graph; wherein, two long sides of the rectangular control line respectively form a rolling central line 10 and an off-center line 20; as shown in fig. 2, the line # 1 and #4 is the rolling center line 10, and the line # 2 and #3 is the off-center line 20.
In step S1.3, the diagonal distance and the four-corner verticality of the rectangular control line are checked, and the accuracy and precision of the rectangular control line are ensured by adjusting the position of the gravity center mark plate 70.
In the invention, the control lines are arranged on the equipment foundation in a mode of arranging the rectangular control net and embedding the central target plate 70, so that the measurement and the check are convenient, the embedding quantity of the central target plate 70 is reduced, and the construction cost is reduced.
Of course, the present invention may also adopt other ways to arrange the control lines on the basis of the device, and is not limited specifically herein. For example, two parallel lines are drawn directly on the basis of the equipment according to the shape and size of the rolling center line 10 and the off-center line 20, which are the rolling center line 10 and the off-center line 20, respectively.
The invention provides an implementation mode for measuring the displacement of each rolling mill in the first direction, and in step S2, the method for measuring the displacement of the rolling mill in the first direction comprises the steps of setting a point A to be measured on an operation side rack of the rolling mill, setting a point B to be measured on a transmission side rack of the rolling mill, measuring the coordinates of the point A to be measured and the point B to be measured through a measuring instrument 30, calculating the distance from the point A to be measured to a rolling center line 10 according to the coordinates of the point A to be measured, and calculating the distance from the point B to be measured to the rolling center line 10 according to the coordinates of the point B to be measured.
As shown in fig. 3, taking two stands on the left base of the F1 rolling mill as an example, the lower stand is an operation-side stand, and the upper stand is a transmission-side stand. Setting a point A to be measured on the operation side rack, wherein the point A to be measured can be arranged on the side surface of the left side or the upper side of the operation side rack, and preferably, the point A to be measured is arranged on an edge formed by the side surfaces of the left side and the upper side of the operation side rack; the point to be measured B is set on the transmission side frame, and may be set on the side surface of the left side or the lower side of the transmission side frame, and preferably, the point to be measured B is set on the edge formed by the side surfaces of the left side and the lower side of the transmission side frame. The measuring instrument 30 can measure the coordinates of the point A to be measured and the point B to be measured, the distance from the point A to be measured to the rolling center line 10 is calculated according to the coordinates of the point A to be measured, the distance from the point B to be measured to the rolling center line 10 is calculated according to the coordinates of the point B to be measured, then the distance is compared with a standard value, and when the error does not meet the design requirement, the distance between the operation side rack and the transmission side rack in the first direction needs to be adjusted until the error meets the design requirement. According to the method, the two stands on the right base in the F1 rolling mill are measured, and the position of the stands in the first direction is adjusted to ensure the installation accuracy of the rolling mill in the first direction. The positions of the rolling mills F2 to F6 in fig. 2 in the first direction can be measured and controlled in sequence according to the above measuring method to ensure the installation accuracy of the continuous rolling mill in the first direction.
The invention provides an implementation mode for measuring the displacement of each rolling mill in the rolling direction, and in step S3, the method for measuring the displacement of the rolling mill in the rolling direction comprises the steps of setting a point C to be measured on a rack on the inlet side of the rolling mill, setting a point D to be measured on a rack on the outlet side of the rolling mill, measuring the coordinates of the point C to be measured and the point D to be measured by a measuring instrument 30, and calculating the distance between the point C to be measured and the point D to be measured in the rolling direction according to the coordinates of the point C to be measured and the point D to be measured.
As shown in fig. 3, taking an F1 rolling mill as an example, the stands on the left side base are entrance side stands, and the stands on the right side base are exit side stands. Setting a point C to be measured on the inlet side rack, wherein the point C to be measured can be arranged on the side surface on the upper side or the right side of the inlet side rack, and preferably, the point C to be measured is arranged on an edge formed by the upper side and the right side surface of the inlet side rack; the exit-side frame is provided with a point to be measured D, which can be arranged on the upper side or the left side of the exit-side frame, preferably, the point to be measured D is arranged on the edge formed by the upper side and the left side of the exit-side frame. The measuring instrument 30 can measure the coordinates of the point C to be measured and the point D to be measured, the distance between the point C to be measured and the point D to be measured in the rolling direction is calculated according to the coordinates of the point C to be measured and the point D to be measured, then the distance is compared with a standard value, and when the error does not meet the design requirement, the distance between two bases in the F1 rolling mill in the rolling direction needs to be adjusted until the error meets the design requirement. The positions of the F2-F6 rolling mills in the rolling direction can be measured and controlled in turn according to the above measuring method to ensure the installation accuracy of each rolling mill in the rolling direction.
As shown in fig. 3, a perpendicular line passing through the point C to be measured and perpendicular to the off-center line 20 is made, and an intersection point of the perpendicular line and the off-center line 20 is E; making a vertical line which passes through the point D to be measured and is vertical to the off-center line 20, wherein the intersection point of the vertical line and the off-center line 20 is F; preferably, the measuring instrument 30 of the present invention can be erected at any position between the point E and the point F on the off-center line 20, so as to increase the flexibility of erecting the measuring instrument 30, change the conventional disadvantage that the measuring instrument 30 can only be erected on the center line of the frame, and reduce the generation of accumulated errors during the measuring process.
For the measurement of the perpendicularity of the rack, the invention provides an implementation mode, and in the step S4, the method for measuring the perpendicularity of the rack comprises
S4.1, screwing a screw 40 into a bolt hole on the side face of the rack, connecting the upper end of a plumb line 50 with the screw 40, and connecting a heavy object 60 to the lower end of the plumb line 50;
and S4.2, measuring the distances from the points to be measured at different heights on the side surface of the rack to the plumb line 50, and calculating the verticality of the rack according to the measured distances.
In step S4.1, the screw 40 is screwed into the bolt hole by using the original bolt hole on the side surface of the rack to connect the screw 40 with the rack, then the upper end of the plumb line 50 is connected with the screw 40, the weight 60 is connected to the lower end of the plumb line 50, and the plumb line 50 is kept tensioned under the action of the gravity of the weight 60, so that the plumb line 50 is perpendicular to the horizontal plane. Preferably, the plumb line 50 is a steel wire having a diameter of 1-2 mm.
In step S4.2, the point to be measured is selected at different heights on the side surface of the rack, the distance from the point to be measured to the plumb line 50 is measured by the measuring tool 80, the perpendicularity of the rack is calculated according to the measured data, the calculated perpendicularity is compared with a standard value, and when the error does not meet the design requirement, the rack needs to be adjusted until the error meets the design requirement. According to the method, the verticality of all the frames in each rolling mill is measured, and the verticality requirement of the frames is ensured by adjusting the frames.
Preferably, the distance from the plumb line 50 to the side of the rack is 100 and 200mm, so that there is sufficient space between the plumb line 50 and the side of the rack for placing the measuring tool 80. In order to prevent the plumb line 50 from swinging for a long time due to hitting the plumb line 50 during operation, it is preferred that the weight 60 is submerged in the oil of the oil drum. When the plumb line 50 swings due to the fact that the plumb line 50 is touched in the operation process, oil in the oil drum generates large resistance to the heavy object 60 by means of viscosity of the oil, the heavy object 60 keeps static within a short time, and then the plumb line 50 keeps static, so that work efficiency is improved. The oil may be an edible oil, a heat conductive oil, or the like, and preferably, the greater the viscosity of the oil, the better. The measuring tool 80 may be a conventional length measuring tool, selected according to the accuracy requirements of the error; preferably, the measuring tool 80 is an inductive sensor, which is a device for non-electrical measurement by using coil self-inductance or variation of mutual inductance, and the length can be measured by using the inductive sensor and displayed on a screen thereof, so that the measurement result is more intuitive, and the visual error generated during measurement by using a conventional tool is eliminated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for controlling the installation measurement of a continuous rolling mill, characterized in that it comprises
S1, arranging a control line on the basis of equipment, wherein the control line comprises a rolling central line (10) and an offset central line (20) which is positioned at one side of the rolling mill and is parallel to the rolling central line (10);
s2, erecting a measuring instrument (30) on the rolling center line (10), enabling the center of the measuring instrument (30) to be positioned right above the rolling center line (10), and enabling a sight axis of the measuring instrument (30) to be parallel to the rolling center line (10); measuring the displacement of the rolling mill in a first direction by means of a measuring instrument (30); controlling the rolling mill to move along a first direction, so that the installation position of the rolling mill in the first direction meets the installation requirement; the first direction is a horizontal direction perpendicular to the rolling center line (10); the measuring instrument (30) is a total station or a theodolite;
s3, erecting a measuring instrument (30) on the eccentric line (20), enabling the center of the measuring instrument (30) to be located right above the eccentric line (20), and enabling a sighting axis of the measuring instrument (30) to be parallel to the eccentric line (20); then horizontally rotating the measuring instrument (30) for 90 degrees, and measuring the displacement of the rolling mill in the rolling direction through the measuring instrument (30); controlling the rolling mill to move along the rolling direction, so that the displacement of the rolling mill in the rolling direction meets the installation requirement;
s4, measuring the verticality of the stand in the rolling mill; and the frame is adjusted so that the perpendicularity of the frame meets the installation requirement.
2. The method of controlling continuous mill set-up measurements of claim 1, wherein the method of arranging control lines on a plant basis includes
S1.1, designing a rectangular control net according to a drawing of a continuous rolling mill, wherein two long sides of the rectangular control net are a rolling central line (10) and an offset central line (20) respectively;
s1.2, setting four embedded points corresponding to four corners of a rectangular control network on the basis of equipment; embedding central targets (70) at the four embedding points, and sequentially connecting central holes of the four central targets (70) to form a rectangular control line; wherein, two long sides of the rectangular control line are respectively a rolling central line (10) and an offset central line (20);
s1.3, diagonal side slope distance inspection and four-corner verticality inspection are carried out on the rectangular control line, and the rectangular control line is guaranteed to reach design accuracy.
3. The control method of continuous rolling mill installation measurement according to claim 1, characterized in that in step S2, the method of measuring the displacement of the rolling mill in the first direction includes setting a point a to be measured on the operating side stand of the rolling mill, setting a point B to be measured on the drive side stand of the rolling mill, measuring the coordinates of the point a and the point B to be measured by the measuring instrument (30), calculating the distance from the point a to the rolling center line (10) based on the coordinates of the point a to be measured, and calculating the distance from the point B to the rolling center line (10) based on the coordinates of the point B to be measured.
4. The control method of continuous rolling mill installation measurement as set forth in claim 1, wherein in step S3, the method of measuring the displacement of the rolling mill in the rolling direction includes setting a point C to be measured on the entry side stand of the rolling mill, setting a point D to be measured on the exit side stand of the rolling mill, measuring the coordinates of the point C to be measured and the point D to be measured by the measuring instrument (30), and calculating the distance between the point C to be measured and the point D to be measured in the rolling direction from the coordinates of the point C to be measured and the point D to be measured.
5. The control method for continuous rolling mill installation measurement according to claim 1, wherein in step S4, the method for measuring the perpendicularity of the stand includes
S4.1, screwing a screw rod (40) into a bolt hole in the side face of the rack, connecting the upper end of a plumb line (50) with the screw rod (40), and connecting a heavy object (60) at the lower end of the plumb line (50);
and S4.2, measuring the distances from the points to be measured at different heights on the side surface of the rack to the plumb line (50), and calculating the verticality of the rack according to the measured distances.
6. Control method for continuous mill set-up measurements according to claim 5, characterized in that the distance of the plumb line (50) to the side of the stand is 100-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662438.1A CN111790759A (en) | 2020-07-10 | 2020-07-10 | Control method for continuous rolling mill installation measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662438.1A CN111790759A (en) | 2020-07-10 | 2020-07-10 | Control method for continuous rolling mill installation measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111790759A true CN111790759A (en) | 2020-10-20 |
Family
ID=72806768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010662438.1A Pending CN111790759A (en) | 2020-07-10 | 2020-07-10 | Control method for continuous rolling mill installation measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111790759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705679A (en) * | 2020-12-29 | 2021-04-27 | 上海二十冶建设有限公司 | Method for accurately setting control net for installation of vertical continuous casting machine for rectangular billets |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013751A1 (en) * | 2001-08-10 | 2003-02-20 | Sms Meer Gmbh | Rolling mill for rolling semi-finished products or rod-shaped material |
| CN101664760A (en) * | 2008-09-05 | 2010-03-10 | 中国二十冶建设有限公司 | Method for adjusting housings outside single stand reversible rolling mill |
| CN101700527A (en) * | 2009-11-19 | 2010-05-05 | 中国第一冶金建设有限责任公司 | Alignment method of thick-wall and large-diameter tube mill |
| CN103203364A (en) * | 2012-01-12 | 2013-07-17 | 中国有色金属工业第六冶金建设有限公司 | Rolling mill equipment installing method |
| CN104567670A (en) * | 2014-12-15 | 2015-04-29 | 北京首钢建设集团有限公司 | Mounting and detection method of multi-roll mill |
| CN107234138A (en) * | 2017-06-30 | 2017-10-10 | 攀钢集团工程技术有限公司 | Mill housing aligning method |
| CN108927411A (en) * | 2017-05-27 | 2018-12-04 | 中国二十冶集团有限公司 | Milling train installation control net puts the method set |
-
2020
- 2020-07-10 CN CN202010662438.1A patent/CN111790759A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013751A1 (en) * | 2001-08-10 | 2003-02-20 | Sms Meer Gmbh | Rolling mill for rolling semi-finished products or rod-shaped material |
| CN101664760A (en) * | 2008-09-05 | 2010-03-10 | 中国二十冶建设有限公司 | Method for adjusting housings outside single stand reversible rolling mill |
| CN101700527A (en) * | 2009-11-19 | 2010-05-05 | 中国第一冶金建设有限责任公司 | Alignment method of thick-wall and large-diameter tube mill |
| CN103203364A (en) * | 2012-01-12 | 2013-07-17 | 中国有色金属工业第六冶金建设有限公司 | Rolling mill equipment installing method |
| CN104567670A (en) * | 2014-12-15 | 2015-04-29 | 北京首钢建设集团有限公司 | Mounting and detection method of multi-roll mill |
| CN108927411A (en) * | 2017-05-27 | 2018-12-04 | 中国二十冶集团有限公司 | Milling train installation control net puts the method set |
| CN107234138A (en) * | 2017-06-30 | 2017-10-10 | 攀钢集团工程技术有限公司 | Mill housing aligning method |
Non-Patent Citations (2)
| Title |
|---|
| 刘喆等: "薄板坯连轧机机架安装调整技术", 《包钢科技》 * |
| 张迁东等: "3500四辊可逆式轧机安装技术", 《山东冶金》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705679A (en) * | 2020-12-29 | 2021-04-27 | 上海二十冶建设有限公司 | Method for accurately setting control net for installation of vertical continuous casting machine for rectangular billets |
| CN112705679B (en) * | 2020-12-29 | 2022-07-22 | 上海二十冶建设有限公司 | Method for accurately setting control net for installation of vertical continuous casting machine for rectangular billets |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105698776B (en) | A kind of two dimension reference vehicular transfer device and its measurement method | |
| CN109631839A (en) | A method of bridge pier settlement observation in water is carried out using total station | |
| CN108827230B (en) | Ultra-wide water area precise river crossing leveling device and method | |
| CN106908028A (en) | Piping lane sedimentation detecting system and detection method | |
| CN105798067A (en) | Accurate installation measuring method for rolling mill bases | |
| CN106840129A (en) | A kind of quick measurement subway segment central three-dimensional sits calibration method | |
| CN111790759A (en) | Control method for continuous rolling mill installation measurement | |
| CN102620695A (en) | Measuring tool for three-coordinate measuring machine and detecting method of measuring tool | |
| CN104457788B (en) | Large-size mobile base line pile and calibration method thereof | |
| CN107478191B (en) | A kind of monitoring method of bridge Wavelike steel webplate bending deformation | |
| CN110779503B (en) | Three-dimensional precision control network measuring method | |
| CN111749264A (en) | Direct-buried bolt positioning control method | |
| CN111272157A (en) | Perpendicularity measuring method for prefabricated variable-section high pier body | |
| CN108637037B (en) | A kind of method of steel cold straightener verification straightening roll levelness | |
| CN102759350B (en) | High-altitude measuring method for construction of crane beams | |
| CN114541489A (en) | Power transmission line rod plate type foundation settlement test and repair method | |
| CN212179756U (en) | Quick positioner of inclined plane height measurement of making level | |
| CN209468793U (en) | A kind of static test settlement observer for exempting from datum line beam | |
| CN113585094A (en) | Mountain area superelevation mound pier stud straightness controlling means that hangs down | |
| CN112658035A (en) | Positioning and aligning method for rolling mill base plate and frame | |
| CN204831147U (en) | Detect concatenation face of square cross -section slender piece and measuring tool of a reference surface perpendicularity | |
| CN109440844A (en) | A kind of static test settlement observer for exempting from datum line beam | |
| CN206233274U (en) | A kind of mini pile horizontally loading test device | |
| CN111457819A (en) | Rapid positioning device for measuring leveling height of inclined plane and using method | |
| CN204855122U (en) | A device for detecting building structure component amount of deflection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |
|
| RJ01 | Rejection of invention patent application after publication |