CN112371731A - Novel rolling mill equipment space precision detection method - Google Patents
Novel rolling mill equipment space precision detection method Download PDFInfo
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- CN112371731A CN112371731A CN202011081867.6A CN202011081867A CN112371731A CN 112371731 A CN112371731 A CN 112371731A CN 202011081867 A CN202011081867 A CN 202011081867A CN 112371731 A CN112371731 A CN 112371731A
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- rolling mill
- plane
- roller
- laser tracker
- detection method
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a novel rolling mill equipment space precision detection method, and belongs to the technical field of metal processing equipment. The novel rolling mill equipment space precision detection method comprises the following steps: (1) performing site reconnaissance; (2) establishing a coordinate system of the laser tracker; (3) distributing coordinate sampling points and acquiring point position coordinates of the coordinate sampling points; (4) respectively fitting the coordinate sampling points to obtain a bottom plane of the rack, a lining plate plane of the rack, a space geometric model of the roller, a housing plane of the rolling mill and a receiving and discharging platform plane; (5) respectively acquiring the inclined directions of a bottom plane of a stand, a stand lining plate, a rolling mill housing and a material receiving and discharging platform by taking a local gravity horizontal plane obtained by a laser tracker as a basic plane; (6) obtaining the axis of the roller; (7) the inclination direction of the axis of the roll is acquired. According to the invention, the right-hand space rectangular coordinate system is established through the laser tracker, so that the space precision of the rolling mill equipment can be accurately and rapidly detected, and accurate data is provided for the adjustment and maintenance of the equipment.
Description
Technical Field
The invention relates to a novel rolling mill equipment space precision detection method, and belongs to the technical field of metal processing equipment.
Background
The rolling mill is equipment for realizing a metal rolling process, generally refers to equipment for completing the whole process of rolled material production, and mainly comprises an unreeling machine, a rolling system, a driving system, a hydraulic system, a control system, a roll dismounting device and the like. The development trend of modern rolling mills is continuous, automatic and specialized, and the products have high quality and low consumption. The rolling mill has made great progress in design, research and manufacture over the 60 s, making the performance of strip cold and hot rolling mills, heavy plate rolling mills, high speed wire rod rolling mills, H-section rolling mills and tandem rolling mill sets more perfect, and a series of advanced equipment such as wire rod rolling mills, full continuous strip cold rolling mills, 5500 mm wide and thick plate rolling mills and continuous H-section rolling mills with rolling speeds up to 115 meters per second appeared. The single weight of raw materials for the rolling mill is increased, hydraulic AGC, plate shape control, electronic computer program control and test means are more and more perfect, and the rolling variety is continuously expanded. Rolling mills of various special structures are under development, which are suitable for new rolling methods such as continuous casting and rolling, controlled rolling and the like, and are suitable for new product quality requirements and economic benefits.
The quality of the precision of the rolling mill directly influences the stability of the rolling process and the quality of the plate shape. The equipment precision of the rolling mill has 3 latitudes, namely the equipment precision in the vertical direction, the equipment precision in the circumferential direction of the rolling mill and the equipment precision in the axial direction of the rolling mill. The precision of the existing rolling mill equipment is detected, the accuracy is not enough, specific data is lacked, and the adjustment and the maintenance of the rolling mill equipment are difficult.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel rolling mill equipment space precision detection method aiming at the defects of the prior art.
The technical scheme provided by the invention for solving the technical problems is as follows: a novel rolling mill equipment space precision detection method comprises the following steps:
(1) performing site reconnaissance: performing on-site reconnaissance on the shape and size of the rolling mill equipment, the external environment and the visibility condition, and determining the erection point of the laser tracker;
(2) establishing a laser tracker coordinate system: obtaining a local gravity horizontal plane by utilizing the function of a laser tracker for measuring the horizontal plane, establishing an independent right-hand space rectangular coordinate system by taking the center of the laser tracker as an origin, the normal direction of the horizontal plane as a Z axis and the north direction as an X axis, and obtaining a laser tracker coordinate system;
(3) distributing coordinate sampling points on the bottom of a rack of a rolling mill, a rack lining plate, a roller, a rolling mill housing and a material receiving and discharging platform, and acquiring point position coordinates of the coordinate sampling points in a laser tracker coordinate system;
(4) fitting coordinate sampling points on the bottom of the rack, a rack lining plate, a roller, a rolling mill housing and a material receiving and discharging platform respectively to obtain a plane of the bottom of the rack, a plane of the rack lining plate, a space geometric model of the roller, a plane of the rolling mill housing and a plane of the material receiving and discharging platform;
(5) respectively acquiring the inclined directions of a bottom plane of a stand, a stand lining plate, a rolling mill housing and a material receiving and discharging platform by taking a local gravity horizontal plane obtained by a laser tracker as a basic plane;
(6) obtaining the axis of the roller through a space geometric model of the roller;
(7) and taking a local gravity horizontal plane obtained by the laser tracker as a basic plane to obtain the inclination direction of the axis of the roller.
The improvement of the technical scheme is as follows: and (5) respectively acquiring the inclination values of the bottom plane of the stand, the stand lining plate, the rolling mill housing and the material receiving and discharging platform relative to the basic plane.
The improvement of the technical scheme is as follows: and (7) acquiring the inclination value of the axis of the roller.
The improvement of the technical scheme is as follows: and (4) 15-30 coordinate sampling points on the bottom of the stand of the rolling mill, the stand lining plate, the rolling mill housing and the material receiving and discharging platform in the step (3).
The improvement of the technical scheme is as follows: and (4) in the step (3), the number of the coordinate sampling points on the roller is 60-90.
The invention adopts the technical scheme that the method has the beneficial effects that:
according to the novel rolling mill equipment space precision detection method, a right-hand space rectangular coordinate system is established through the laser tracker, and a frame bottom plane, a frame lining plate plane, a rolling mill housing plane, a receiving and discharging platform plane and a space geometric model of a roller can be accurately obtained in the laser tracker coordinate system by respectively fitting coordinate sampling points on the frame bottom, the frame lining plate, the roller, the rolling mill housing and the receiving and discharging platform plane, so that the space precision of rolling mill equipment can be accurately and quickly detected, and accurate data can be provided for adjustment and maintenance of the equipment.
Detailed Description
Examples
The novel rolling mill equipment space precision detection method of the embodiment comprises the following steps:
(1) performing site reconnaissance: performing on-site reconnaissance on the shape and size of the rolling mill equipment, the external environment and the visibility condition, and determining the erection point of the laser tracker;
(2) establishing a laser tracker coordinate system: obtaining a local gravity horizontal plane by utilizing the function of a laser tracker for measuring the horizontal plane, establishing an independent right-hand space rectangular coordinate system by taking the center of the laser tracker as an origin, the normal direction of the horizontal plane as a Z axis and the north direction as an X axis, and obtaining a laser tracker coordinate system;
(3) distributing coordinate sampling points on the bottom of a rack of a rolling mill, a rack lining plate, a roller, a rolling mill housing and a material receiving and discharging platform, and acquiring point position coordinates of the coordinate sampling points in a laser tracker coordinate system;
(4) fitting coordinate sampling points on the bottom of the rack, a rack lining plate, a roller, a rolling mill housing and a material receiving and discharging platform respectively to obtain a plane of the bottom of the rack, a plane of the rack lining plate, a space geometric model of the roller, a plane of the rolling mill housing and a plane of the material receiving and discharging platform;
(5) respectively acquiring the inclined directions of a bottom plane of a stand, a stand lining plate, a rolling mill housing and a material receiving and discharging platform by taking a local gravity horizontal plane obtained by a laser tracker as a basic plane;
(6) obtaining the axis of the roller through a space geometric model of the roller;
(7) and taking a local gravity horizontal plane obtained by the laser tracker as a basic plane to obtain the inclination direction of the axis of the roller.
In the step (5) of the novel rolling mill equipment space precision detection method of the embodiment, the inclination values of the bottom plane of the stand, the stand lining plate, the rolling mill housing and the material receiving and discharging platform relative to the basic plane are respectively obtained. And (7) acquiring the inclination value of the axis of the roller. And (4) 15-30 coordinate sampling points on the bottom of the stand of the rolling mill, the stand lining plate, the rolling mill housing and the material receiving and discharging platform in the step (3). And (4) in the step (3), the number of the coordinate sampling points on the roller is 60-90.
According to the novel rolling mill equipment space precision detection method, a right-hand space rectangular coordinate system is established through the laser tracker, and a frame bottom plane, a frame lining plate plane, a rolling mill housing plane, a receiving and discharging platform plane and a space geometric model of a roller can be accurately obtained in the laser tracker coordinate system by respectively fitting coordinate sampling points on the frame bottom, the frame lining plate, the roller, the rolling mill housing and the receiving and discharging platform plane, so that the space precision of rolling mill equipment can be accurately and quickly detected, and accurate data can be provided for adjustment and maintenance of the equipment.
The present invention is not limited to the above-described embodiments. All technical solutions formed by equivalent substitutions fall within the protection scope of the claims of the present invention.
Claims (5)
1. A novel rolling mill equipment space precision detection method is characterized in that: the method comprises the following steps:
(1) performing site reconnaissance: performing on-site reconnaissance on the shape and size of the rolling mill equipment, the external environment and the visibility condition, and determining the erection point of the laser tracker;
(2) establishing a laser tracker coordinate system: obtaining a local gravity horizontal plane by utilizing the function of a laser tracker for measuring the horizontal plane, establishing an independent right-hand space rectangular coordinate system by taking the center of the laser tracker as an origin, the normal direction of the horizontal plane as a Z axis and the north direction as an X axis, and obtaining a laser tracker coordinate system;
(3) distributing coordinate sampling points on the bottom of a rack of the rolling mill, a rack lining plate, a roller, a rolling mill housing and a material receiving and discharging platform, and acquiring point position coordinates of the coordinate sampling points in a laser tracker coordinate system;
(4) fitting coordinate sampling points on the bottom of the rack, a rack lining plate, the roller, the mill housing and the material receiving and discharging platform respectively to obtain a plane of the bottom of the rack, a plane of the rack lining plate, a space geometric model of the roller, a plane of the mill housing and a plane of the material receiving and discharging platform;
(5) respectively acquiring the inclined directions of a bottom plane of a stand, a stand lining plate, a rolling mill housing and a material receiving and discharging platform by taking a local gravity horizontal plane obtained by a laser tracker as a basic plane;
(6) obtaining the axis of the roller through the space geometric model of the roller;
(7) and taking a local gravity horizontal plane obtained by the laser tracker as a basic plane to obtain the inclination direction of the axis of the roller.
2. The novel rolling mill equipment space precision detection method according to claim 1, characterized in that: and (5) respectively acquiring the inclination values of the bottom plane of the stand, the stand lining plate, the rolling mill housing and the material receiving and discharging platform relative to the basic plane.
3. The novel rolling mill equipment space precision detection method according to claim 2, characterized in that: and (7) acquiring the inclination value of the axis of the roller.
4. The novel rolling mill equipment space precision detection method according to claim 3, characterized in that: and (4) 15-30 coordinate sampling points on the bottom of the stand of the rolling mill, the stand lining plate, the rolling mill housing and the material receiving and discharging platform in the step (3).
5. The novel rolling mill equipment space precision detection method according to claim 4, characterized in that: and (4) in the step (3), the number of the coordinate sampling points on the roller is 60-90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011081867.6A CN112371731A (en) | 2020-10-12 | 2020-10-12 | Novel rolling mill equipment space precision detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011081867.6A CN112371731A (en) | 2020-10-12 | 2020-10-12 | Novel rolling mill equipment space precision detection method |
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| Publication Number | Publication Date |
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| CN112371731A true CN112371731A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011081867.6A Withdrawn CN112371731A (en) | 2020-10-12 | 2020-10-12 | Novel rolling mill equipment space precision detection method |
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| CN (1) | CN112371731A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587869A (en) * | 2021-07-22 | 2021-11-02 | 鞍钢重型机械有限责任公司 | Six-roller mill assembly and method for detecting assembly accuracy by adopting laser tracker |
| CN113714296A (en) * | 2021-08-17 | 2021-11-30 | 山东磐金钢管制造有限公司 | Perforating machine center line calibration method based on laser tracker |
-
2020
- 2020-10-12 CN CN202011081867.6A patent/CN112371731A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587869A (en) * | 2021-07-22 | 2021-11-02 | 鞍钢重型机械有限责任公司 | Six-roller mill assembly and method for detecting assembly accuracy by adopting laser tracker |
| CN113587869B (en) * | 2021-07-22 | 2023-09-29 | 鞍钢重型机械有限责任公司 | Six-roller mill assembly and method for detecting assembly precision by adopting laser tracker |
| CN113714296A (en) * | 2021-08-17 | 2021-11-30 | 山东磐金钢管制造有限公司 | Perforating machine center line calibration method based on laser tracker |
| CN113714296B (en) * | 2021-08-17 | 2023-10-20 | 山东磐金钢管制造有限公司 | Perforating machine center line calibration method based on laser tracker |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |