CN114309088B - Device and method for measuring axial displacement of universal roller system - Google Patents
Device and method for measuring axial displacement of universal roller system Download PDFInfo
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- CN114309088B CN114309088B CN202111441536.3A CN202111441536A CN114309088B CN 114309088 B CN114309088 B CN 114309088B CN 202111441536 A CN202111441536 A CN 202111441536A CN 114309088 B CN114309088 B CN 114309088B
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Abstract
The invention relates to a device and a method for measuring axial displacement of a universal roller system, belonging to the technical field of steel rolling equipment and method in the metallurgical industry. The technical scheme of the invention is as follows: the displacement sensor A (2), the displacement sensor a (3) and the displacement sensor B (5) are arranged in the mounting holes of the fixed plate (1) and the mounting holes of the displacement sensor B (4) on the fixed plate (1), and the measurement computing system (6) is respectively connected with the displacement sensor A (2), the displacement sensor a (3), the displacement sensor B (4) and the displacement sensor B (5). The beneficial effects of the invention are as follows: the method can accurately measure the fluctuation amount of the universal roller system, distinguish the fluctuation amount of the horizontal roller of the universal roller system from the fluctuation amount of the roller box in the rolling mill, further measure and calculate the fluctuation amount of the horizontal roller relative to the roller box, provide a basis for the functional precision maintenance of the universal rolling mill and the universal roller box, and provide a reference for the parameter adjustment in the steel rail rolling process.
Description
Technical Field
The invention relates to a device and a method for measuring axial displacement of a universal roller system, belonging to the technical field of steel rolling equipment and method in the metallurgical industry.
Background
At present, advanced rail production lines in China are all used for rolling rails by adopting an advanced universal rolling mill, and the universal rolling mill mainly comprises a horizontal roller system and a vertical roller system. The horizontal roller system consists of a steel rail universal horizontal roller, an operation side bearing seat and a transmission side bearing seat and a guide. After the horizontal roller system is installed into the rolling mill to finish calibration, a certain amount of movement exists in the axial direction, wherein the amount of movement comprises the amount of movement of a roller in a bearing seat and the amount of movement of the whole roller system in the rolling mill, when the amount of movement of the whole horizontal roller exceeds the standard requirement, the running of the roller system is unstable, and finally the fluctuation of the overall length of a steel rail is increased, so that the surface defects of the steel rail are increased. However, when the roller is in a static state, the roller system cannot generate axial movement, when the roller system is simulated to rotate, the roller system can generate slight axial movement, when the horizontal roller system participates in rail rolling, as the two axial sides of the roller can be subjected to pressure in the horizontal direction, the universal horizontal roller and the whole roller system can generate movement, the movement amount at the moment is the reason for finally influencing the dimensional stability of a rail finished product, and when the movement amount exceeds the standard requirement, the fluctuation of the rail through length size becomes large, and the surface defects of the rail are increased. Therefore, the axial running amount of the universal horizontal roller system when participating in the rail rolling process needs to be measured, and the running amount of the roller in the bearing seat and the running amount of the horizontal roller system in the rolling mill can be independently measured, so that the problems of the whole horizontal roller system can be specifically analyzed, and the running stability of the universal roller system can be improved. When the universal roller system participates in rail rolling, the roller can adopt cooling water for cooling, the surrounding environments of the roller and the roller box are severe, and the whole horizontal roller system vibrates greatly at the moment when the rail enters the roller system, so how to accurately measure the axial running amount of the horizontal roller system when the horizontal roller system participates in rail rolling so as to analyze the running amount of the roller in a bearing seat and the running amount of the roller system in a rolling mill, and the method is particularly important for the production quality of the rail. The invention mainly designs a device and a method for measuring the axial displacement of a universal horizontal roller so as to accurately measure and record the axial displacement of the horizontal roller and provide basis for maintenance of a roller box and a rolling mill.
Disclosure of Invention
The invention aims to provide a device and a method for measuring the axial running amount of a universal roller system, which can accurately measure the running amount of the universal roller system and distinguish the running amount of a horizontal roller of the universal roller system from the running amount of a roller box in a rolling mill through the application of a displacement sensor and a measuring and calculating system, further calculate the running amount of the horizontal roller relative to the roller box, provide a basis for the functional precision maintenance of the universal rolling mill and the universal roller box, provide a reference for the parameter adjustment in the steel rail rolling process, and effectively solve the problems in the background art.
The technical scheme of the invention is as follows: the device for measuring the axial fluctuation of the universal roller system comprises a fixed plate, a displacement sensor A, a displacement sensor a, a displacement sensor B, a displacement sensor B and a measurement and calculation system, wherein four mounting holes are formed in the fixed plate, and the fixed plate is connected to a mill operation side housing through connecting bolts; the displacement sensor A is arranged in a left side mounting hole of the end face of the upper roller box of the fixed plate, the displacement sensor a is arranged in an upper side mounting hole of the end face of the upper roller of the fixed plate, the displacement sensor B is arranged in a lower side mounting hole of the end face of the upper roller of the fixed plate, and the displacement sensor B is arranged in a right side mounting hole of the end face of the upper roller box of the fixed plate; the measuring and calculating system is respectively connected with the displacement sensor A, the displacement sensor a, the displacement sensor B and the displacement sensor B.
The four mounting holes, the two middle mounting holes are arranged up and down and are aligned with the upper and lower points of the end surface of the universal horizontal roller; the two mounting holes on the two sides are arranged left and right and are aligned with the left and right points of the end face of the universal horizontal roller box.
The displacement sensor A and the displacement sensor B are longer displacement sensors, and the displacement sensor a and the displacement sensor B are shorter displacement sensors.
A method of measuring axial runout of a universal roller system comprising the steps of:
(1) Firstly, connecting a fixed plate to a mill operation side housing through a connecting bolt, mounting a displacement sensor A on the left side of the end face of a roller box, mounting a displacement sensor a on the upper side of the end face of a roller, mounting a displacement sensor B on the lower side of the end face of the roller, mounting a displacement sensor B on the right side of the end face of the roller box, and connecting the four displacement sensors to a measurement computing system;
(2) When the universal rolling mill rolls the steel rail, the measurement and calculation system records the specific values of the four displacement sensors, calculates the required values through the following formulas and displays the final result:
(1) universal roll system horizontal roll run-out = 1/2× (a+b);
(2) universal roller system horizontal roller tilting amount= |a-b|;
(3) universal roller box play = 1/2× (a+b);
(4) the swing amount of the universal roller system roller box is equal to the swing amount of the universal roller system roller box;
(5) the universal roller system horizontal roller has the movement quantity in the roller box of = 1/2 x| (a+b) - (a+b) |;
(3) And finally, carrying out functional precision maintenance on the universal roller box and the universal rolling mill according to the data calculated by the measurement and calculation system in a targeted manner, and providing a parameter basis for rail size adjustment.
The beneficial effects of the invention are as follows: by using the displacement sensor and the measurement and calculation system, the accurate measurement of the universal roller system channeling capacity can be realized, the horizontal roller channeling capacity of the universal roller system and the channeling capacity of the roller box in the rolling mill can be distinguished, the channeling capacity of the universal horizontal roller relative to the roller box can be measured and calculated, the basis is provided for the functional precision maintenance of the universal rolling mill and the universal roller box, and the reference is provided for the parameter adjustment in the steel rail rolling process.
Drawings
FIG. 1 is a front elevational view of the present invention in an operative condition;
FIG. 2 is a top view of the invention in an operative condition;
FIG. 3 is a top view of the structure of the present invention;
in the figure: the device comprises a fixed plate 1, a displacement sensor A2, a displacement sensor a3, a displacement sensor B4, a displacement sensor B5, a measurement and calculation system 6, a connecting bolt 7, a universal horizontal roller 8, a universal horizontal roller box 9 and a mill operation side housing 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are a small part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
The device for measuring the axial displacement of the universal roller system comprises a fixed plate 1, a displacement sensor A2, a displacement sensor a3, a displacement sensor B4, a displacement sensor B5 and a measurement and calculation system 6, wherein four mounting holes are formed in the fixed plate 1, and the fixed plate 1 is connected to a mill operation side housing 10 through a connecting bolt 7; the displacement sensor A2 is arranged in a left side mounting hole of the end face of the upper roller box of the fixed plate 1, the displacement sensor a3 is arranged in an upper side mounting hole of the end face of the upper roller of the fixed plate 1, the displacement sensor B5 is arranged in a lower side mounting hole of the end face of the upper roller of the fixed plate 1, and the displacement sensor B4 is arranged in a right side mounting hole of the end face of the upper roller box of the fixed plate 1; the measurement computing system 6 is connected to the displacement sensor A2, the displacement sensor a3, the displacement sensor B4, and the displacement sensor B5, respectively.
The four mounting holes, the two middle mounting holes are arranged up and down and are aligned with the upper and lower points of the end surface of the universal horizontal roller; the two mounting holes on the two sides are arranged left and right and are aligned with the left and right points of the end face of the universal horizontal roller box.
The displacement sensor A2 and the displacement sensor B4 are longer displacement sensors, and the displacement sensor a3 and the displacement sensor B5 are shorter displacement sensors.
A method of measuring axial runout of a universal roller system comprising the steps of:
(1) Firstly, connecting a fixed plate to a mill operation side housing through a connecting bolt, mounting a displacement sensor A on the left side of the end face of a roller box, mounting a displacement sensor a on the upper side of the end face of a roller, mounting a displacement sensor B on the lower side of the end face of the roller, mounting a displacement sensor B on the right side of the end face of the roller box, and connecting the four displacement sensors to a measurement computing system;
(2) When the universal rolling mill rolls the steel rail, the measurement and calculation system records the specific values of the four displacement sensors, calculates the required values through the following formulas and displays the final result:
(1) universal roll system horizontal roll run-out = 1/2× (a+b);
(2) universal roller system horizontal roller tilting amount= |a-b|;
(3) universal roller box play = 1/2× (a+b);
(4) the swing amount of the universal roller system roller box is equal to the swing amount of the universal roller system roller box;
(5) the universal roller system horizontal roller has the movement quantity in the roller box of = 1/2 x| (a+b) - (a+b) |;
(3) And finally, carrying out functional precision maintenance on the universal roller box and the universal rolling mill according to the data calculated by the measurement and calculation system in a targeted manner, and providing a parameter basis for rail size adjustment.
In practical application, a mounting hole of a displacement sensor is processed on the fixed plate 1, and the fixed plate 1 is connected to a mill operation side housing 10 through a connecting bolt 7; the displacement sensor A2 is arranged on the left side of the end face of the roller box, the displacement sensor a3 is arranged on the upper side of the end face of the roller, the displacement sensor B5 is arranged on the lower side of the end face of the roller, and the displacement sensor B4 is arranged on the right side of the end face of the roller box; the measuring and calculating system 6 mainly records the measured values of the four sensors, and calculates the measured values to obtain the axial running amount and the vertical inclination of the horizontal roller and the running amount and the swinging amount of the universal horizontal roller box in the rolling mill.
The method for measuring the axial displacement of the universal roller system comprises the following steps: the fixed plate 1 is connected to the mill operation side housing 10 through the connecting bolt 7, the displacement sensor A2 is installed on the left side of the end face of the roller box, the displacement sensor a3 is installed on the upper side of the end face of the roller, the displacement sensor B5 is installed on the lower side of the end face of the roller, the displacement sensor B4 is installed on the right side of the end face of the roller box, and the four displacement sensors are connected to the measuring and calculating system 6. Then, when the universal rolling mill rolls the rail, the measurement and calculation system 6 records the specific values (a, B, a, B) of the four sensors, and the measurement and calculation system 6 calculates the required values and displays the final result by the following formula: (1) the universal roller system horizontal roller shifting amount=1/2× (a+b), the universal roller system horizontal roller tilting amount= |a-b|, (3) the universal roller system roller box shifting amount=1/2× (a+b), the universal roller system roller box swinging amount= |a-b|, and the universal roller system horizontal roller shifting amount=1/2×| (a+b) - (a+b) |. Finally, the data calculated by the measurement and calculation system 6 can pertinently maintain the functional precision of the universal roller box and the universal rolling mill, and simultaneously provide parameter basis for the rail size adjustment.
Claims (3)
1. The utility model provides a measure device of omnipotent roller system axial displacement volume which characterized in that: the device comprises a fixed plate (1), a displacement sensor A (2), a displacement sensor a (3), a displacement sensor B (4), a displacement sensor B (5) and a measurement and calculation system (6), wherein four mounting holes are formed in the fixed plate (1), and the fixed plate (1) is connected to a mill operation side housing (10) through connecting bolts (7); the displacement sensor A (2) is arranged in a left side mounting hole of the end face of the upper roller box of the fixed plate (1), the displacement sensor a (3) is arranged in an upper side mounting hole of the end face of the upper roller of the fixed plate (1), the displacement sensor B (5) is arranged in a lower side mounting hole of the end face of the upper roller of the fixed plate (1), and the displacement sensor B (4) is arranged in a right side mounting hole of the end face of the upper roller box of the fixed plate (1); the measurement computing system (6) is respectively connected with the displacement sensor A (2), the displacement sensor a (3), the displacement sensor B (4) and the displacement sensor B (5); the four mounting holes, the two middle mounting holes are arranged up and down and are aligned with the upper and lower points of the end surface of the universal horizontal roller; the two mounting holes on the two sides are arranged left and right and are aligned with the left and right points of the end face of the universal horizontal roller box.
2. The apparatus for measuring axial runout of a universal roller system of claim 1, wherein: the displacement sensor A (2) and the displacement sensor B (4) are relatively long displacement sensors, and the displacement sensor a (3) and the displacement sensor B (5) are relatively short displacement sensors.
3. A method of measuring axial runout of a universal roller system using the apparatus for measuring axial runout of a universal roller system according to claim 1 or 2, comprising the steps of:
firstly, connecting a fixed plate to a mill operation side housing through a connecting bolt, installing a displacement sensor A (2) on the left side of the end face of a roller box, installing a displacement sensor a (3) on the upper side of the end face of a roller, installing a displacement sensor B (5) on the lower side of the end face of the roller, installing a displacement sensor B (4) on the right side of the end face of the roller box, and connecting all four displacement sensors to a measurement and calculation system;
(2) When the universal rolling mill rolls the steel rail, the measurement and calculation system records the specific values of the four displacement sensors, calculates the required values through the following formulas and displays the final result:
(1) universal roll system horizontal roll run-out = 1/2× (a+b);
(2) universal roller system horizontal roller tilting amount= |a-b|;
(3) universal roller box play = 1/2× (a+b);
(4) the swing amount of the universal roller system roller box is equal to the swing amount of the universal roller system roller box;
(5) the universal roller system horizontal roller has the movement quantity in the roller box of = 1/2 x| (a+b) - (a+b) |;
(3) And finally, carrying out functional precision maintenance on the universal roller box and the universal rolling mill according to the data calculated by the measurement and calculation system in a targeted manner, and providing a parameter basis for rail size adjustment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111441536.3A CN114309088B (en) | 2021-11-30 | 2021-11-30 | Device and method for measuring axial displacement of universal roller system |
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| CN202111441536.3A CN114309088B (en) | 2021-11-30 | 2021-11-30 | Device and method for measuring axial displacement of universal roller system |
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| CN114309088A CN114309088A (en) | 2022-04-12 |
| CN114309088B true CN114309088B (en) | 2023-06-13 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0829151A (en) * | 1994-07-12 | 1996-02-02 | Sumitomo Metal Ind Ltd | Displacement detection device for rolling horizontal roll |
| CN201455008U (en) * | 2009-07-07 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Special tool for measuring axial shifting amount of finishing mill roll shaft |
| CN102814344B (en) * | 2011-06-08 | 2015-04-08 | 攀钢集团有限公司 | Axial play measuring method for horizontal roll of universal rolling mill |
| CN104785544A (en) * | 2015-04-10 | 2015-07-22 | 山西太钢不锈钢股份有限公司 | Rolling mill axial displacement force testing method |
| CN213409836U (en) * | 2020-09-30 | 2021-06-11 | 新疆八一钢铁股份有限公司 | Device for monitoring axial movement of roller of hot-rolling roughing mill in real time |
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