CN110986901A - Installation and positioning method for guide of section steel rolling mill - Google Patents
Installation and positioning method for guide of section steel rolling mill Download PDFInfo
- Publication number
- CN110986901A CN110986901A CN201911166294.4A CN201911166294A CN110986901A CN 110986901 A CN110986901 A CN 110986901A CN 201911166294 A CN201911166294 A CN 201911166294A CN 110986901 A CN110986901 A CN 110986901A
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- China
- Prior art keywords
- guide
- laser
- roller
- horizontal
- measuring plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
Abstract
The invention relates to a guide installation and positioning method for a section steel rolling mill, and belongs to the technical field of section steel rolling equipment in the metallurgical industry. The technical scheme is as follows: fix one directly over roll (4) and measure board (3), two fixed supports (2) on leading defending (5), fix a laser horizon rule (4) on two supports (2), beat the horizontal laser line of laser horizon rule (4) on measuring board (3), and accurately read out the difference between roll (4) upper surface and leading defending (5) upper surface through scale (31) on measuring board (3), when the difference between roll (4) upper surface and leading defending (5) upper surface satisfies the technological requirement, will lead defending (5) and fix, thereby realize leading the precision installation of defending. The invention has the beneficial effects that: the installation accuracy of the guide and the roller can be ensured, and the impact of the steel rail on the roller in the rolling process and the influence on the surface quality and the overall dimension of the steel rail can be avoided.
Description
Technical Field
The invention relates to a guide installation and positioning method for a section steel rolling mill, and belongs to the technical field of section steel rolling equipment in the metallurgical industry.
Background
In the process of rolling the steel rail, the installation of the guide and guard is a key factor influencing the rolling quality of the steel rail, and the precision and the accuracy of the installation of the guide and guard directly influence the impact of the rolling process of the steel rail on a roller and the surface quality and the overall dimension of the rolled steel rail.
The steel rail rolling mill guide installation precision requirement is as follows: the upper surface of the roller is 10-13mm higher than the working surface of the guide, the relative position relationship between the guide and the roller is completely controlled by experience in the installation of the guide of the steel rail rolling mill at present, and the distance from the rear end of the guide to the roller is about 1.5 m, and the guide, the roller and the pass are all cambered surfaces, so that the requirement cannot be met by manual observation.
Disclosure of Invention
The invention aims to provide a mounting and positioning method for a guide of a section steel rolling mill, which utilizes the functions of horizontal bubbles and laser lines of a laser level bar to take the laser lines of the laser level bar as an extension reference line of a guide surface, so that the mounting precision between the guide and a roller meets the requirement, and the problems in the Beijing technology are solved.
The technical scheme of the invention is as follows:
a method for installing and positioning a guide of a section steel rolling mill is operated according to the following steps:
the first step is as follows: a measuring plate is fixed right above the roller, the lower half part of the measuring plate is in an inverted U shape matched with the roller, the upper half part of the measuring plate is in a rectangular shape, and a graduated scale is arranged on the central line of the measuring plate;
the second step is that: two brackets are fixed on the guide, the brackets are in an inverted U shape matched with the guide, and the two brackets are connected into a whole through a connecting plate;
the third step: fixing a laser horizontal ruler on the two brackets, wherein the laser horizontal ruler is provided with a horizontal bubble and a horizontal laser line;
the fourth step: adjusting the guide to enable the laser level bar to be in a horizontal state;
the fifth step: the horizontal laser line of the laser level bar is printed on the measuring plate, the difference value between the upper surface of the roller and the upper surface of the guide is accurately read through the graduated scale on the measuring plate, and when the difference value between the upper surface of the roller and the upper surface of the guide meets the process requirements, the guide is fixed, so that the precision installation of the guide is realized.
The lower half part of the measuring plate is clamped on the pass of the roller.
The support is provided with a dovetail groove matched with the laser level bar, and the support and the connecting plate are respectively provided with key grooves matched with each other.
The lower surface of the laser level bar is attached to the upper surface of the guide, and the horizontal laser line of the laser level bar is parallel to the upper surface of the guide.
The invention has the beneficial effects that: the installation accuracy of the guide and the roller can be ensured, and the impact of the steel rail on the roller in the rolling process and the influence on the surface quality and the overall dimension of the steel rail can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a stent;
FIG. 3 is a schematic view of a bracket connection plate;
FIG. 4 is a schematic view of a measurement plate;
FIG. 5 is a schematic illustration of laser level installation;
FIG. 6 is a schematic view of a guide adjustment mechanism;
in the figure: the device comprises a laser level ruler 1, a support 2, a measuring plate 3, a roller 4, a guide 5, a connecting plate 6, a horizontal laser line 7 of a laser level meter, a guide adjusting mechanism 8, a horizontal bubble 9, a datum line 10, a horizontal direction adjusting eccentric shaft 11, a vertical direction adjusting eccentric shaft 12, a dovetail groove 21, a key groove 22 and a graduated scale 31.
Detailed Description
The invention is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached figures 1-6, a method for installing and positioning a guide of a section steel rolling mill is operated according to the following steps:
the first step is as follows: a measuring plate 3 is fixed right above the roller 4, the lower half part of the measuring plate 3 is in an inverted U shape matched with the roller 4, the upper half part of the measuring plate 3 is in a rectangular shape, and a graduated scale 31 is arranged on the central line of the measuring plate 3;
the second step is that: two brackets 2 are fixed on the guide 5, the brackets 2 are in an inverted U shape matched with the guide 5, and the two brackets 2 are connected into a whole through a connecting plate 6;
the third step: fixing a laser horizontal ruler 1 on the two brackets 2, wherein the laser horizontal ruler 1 is provided with a horizontal bubble and a horizontal laser line;
the fourth step: adjusting the guide 5 to enable the laser level bar 1 to be in a horizontal state;
the fifth step: the horizontal laser line of the laser level bar 1 is marked on the measuring plate 3, the difference value between the upper surface of the roller 4 and the upper surface of the guide 5 is accurately read through the graduated scale 31 on the measuring plate 3, and when the difference value between the upper surface of the roller 4 and the upper surface of the guide 5 meets the process requirement, the guide 5 is fixed, so that the precision installation of the guide is realized.
In this embodiment: type of laser level 1: laser LVO3, material quality: ABS special plastic, color: black, product specification: 185X 28X 65 mm.
Referring to fig. 2, a dovetail groove 21 matched with the laser level 1 is arranged on the bracket 2, and key grooves 22 matched with each other are respectively arranged on the bracket 2 and the connecting plate 6.
Referring to fig. 3, the connecting plate 6 has a rectangular shape and has key grooves 22 at both ends for fitting with the bracket 2.
Referring to fig. 4 and 5, the lower half part of the measuring plate 3 is clamped on the pass of the roller 4, and the contour fitting size of the lower half part is the same as the contour size of the roller. The datum line 10 is determined according to the height A of the laser level and the attaching height B of the support 2, the standard requirement C that the roller is higher than the guide is different according to the guide installation standard value of each factory, and the datum line is determined according to the self condition and is equal to D = A + B-C. The central positioning line of the laser level bar ensures that the graduation line is at the central position and also serves as the central position reference for installing the guide.
Referring to fig. 1-5, a laser level 1 is mounted on a support 2, the support 2 is mounted above a guide 5, a measuring plate 3 is mounted right above a roller 4, and a horizontal laser line 7 of the laser level 1 irradiates the surface of the measuring plate 3. The support 2 facilitates the installation of the laser level bar 1.
Referring to fig. 6, when the guide and guard are adjusted, the adjustment is completed by two eccentric shafts connected to the guide and guard box and the guide and guard hole, and the eccentric shafts are rotated to realize the adjustment of the height, front, back, left and right of the guide and guard.
Claims (4)
1. A method for installing and positioning a guide of a section steel rolling mill is characterized by comprising the following steps: the method comprises the following steps:
the first step is as follows: a measuring plate (3) is fixed right above the roller (4), the lower half part of the measuring plate (3) is in an inverted U shape matched with the roller (4), the upper half part of the measuring plate (3) is in a rectangular shape, and a graduated scale (31) is arranged on the central line of the measuring plate (3);
the second step is that: two brackets (2) are fixed on the guide and guard (5), the brackets (2) are in an inverted U shape matched with the guide and guard (5), and the two brackets (2) are connected into a whole through a connecting plate (6);
the third step: a laser horizontal ruler (1) is fixed on the two brackets (2), and the laser horizontal ruler (1) is provided with a horizontal bubble and a horizontal laser line;
the fourth step: adjusting the guide (5) to enable the laser level bar (1) to be in a horizontal state;
the fifth step: the horizontal laser line of the laser level bar (1) is printed on the measuring plate (3), the difference between the upper surface of the roller (4) and the upper surface of the guide (5) is accurately read through a graduated scale (31) on the measuring plate (3), and when the difference between the upper surface of the roller (4) and the upper surface of the guide (5) meets the process requirement, the guide (5) is fixed, so that the precision installation of the guide is realized.
2. A method of installing and positioning a guide of a steel section rolling mill according to claim 1, wherein: the lower half part of the measuring plate (3) is clamped on the pass of the roller (4).
3. A method of installing and positioning a guide of a steel section rolling mill according to claim 1, wherein: the laser leveling instrument is characterized in that a dovetail groove (21) matched with the laser leveling instrument (1) is formed in the support (2), and key grooves (22) matched with each other are formed in the support (2) and the connecting plate (6) respectively.
4. A method of installing and positioning a guide of a steel section rolling mill according to claim 1, wherein: the lower surface of the laser horizontal ruler (1) is attached to the upper surface of the guide (5), and the horizontal laser line of the laser horizontal ruler (1) is parallel to the upper surface of the guide (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166294.4A CN110986901A (en) | 2019-11-25 | 2019-11-25 | Installation and positioning method for guide of section steel rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166294.4A CN110986901A (en) | 2019-11-25 | 2019-11-25 | Installation and positioning method for guide of section steel rolling mill |
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| Publication Number | Publication Date |
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| CN110986901A true CN110986901A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911166294.4A Pending CN110986901A (en) | 2019-11-25 | 2019-11-25 | Installation and positioning method for guide of section steel rolling mill |
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| Country | Link |
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| CN (1) | CN110986901A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718884A (en) * | 2020-12-11 | 2021-04-30 | 安徽马钢表面技术股份有限公司 | Ultra-wide H-shaped steel finishing mill guide and processing method |
| CN113560339A (en) * | 2020-04-29 | 2021-10-29 | 上海梅山钢铁股份有限公司 | Steel rolling outlet lower guide with detection device |
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| CN204074724U (en) * | 2014-08-18 | 2015-01-07 | 新疆八一钢铁股份有限公司 | Mill line elevation laser detector |
| CN205300430U (en) * | 2016-01-06 | 2016-06-08 | 唐山钢铁集团有限责任公司 | A positioning scale for installing shaped steel is led and is defended |
| CN107966133A (en) * | 2018-01-15 | 2018-04-27 | 季志博 | Railway manually track lifting elevation laser control apparatus and its elevation control method |
| KR101929949B1 (en) * | 2018-01-05 | 2019-03-14 | 주식회사 태화산업 | Wire rod exit guide device |
| CN109530454A (en) * | 2018-12-17 | 2019-03-29 | 太原通泽智能工程股份有限公司 | Zero positioning device for slitless tube mill |
| JP2019084564A (en) * | 2017-11-07 | 2019-06-06 | 新日鐵住金株式会社 | Hot rolling method and hot rolling mill row |
-
2019
- 2019-11-25 CN CN201911166294.4A patent/CN110986901A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204074724U (en) * | 2014-08-18 | 2015-01-07 | 新疆八一钢铁股份有限公司 | Mill line elevation laser detector |
| CN205300430U (en) * | 2016-01-06 | 2016-06-08 | 唐山钢铁集团有限责任公司 | A positioning scale for installing shaped steel is led and is defended |
| JP2019084564A (en) * | 2017-11-07 | 2019-06-06 | 新日鐵住金株式会社 | Hot rolling method and hot rolling mill row |
| KR101929949B1 (en) * | 2018-01-05 | 2019-03-14 | 주식회사 태화산업 | Wire rod exit guide device |
| CN107966133A (en) * | 2018-01-15 | 2018-04-27 | 季志博 | Railway manually track lifting elevation laser control apparatus and its elevation control method |
| CN109530454A (en) * | 2018-12-17 | 2019-03-29 | 太原通泽智能工程股份有限公司 | Zero positioning device for slitless tube mill |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560339A (en) * | 2020-04-29 | 2021-10-29 | 上海梅山钢铁股份有限公司 | Steel rolling outlet lower guide with detection device |
| CN113560339B (en) * | 2020-04-29 | 2024-04-05 | 上海梅山钢铁股份有限公司 | Steel rolling outlet lower guide with detection device |
| CN112718884A (en) * | 2020-12-11 | 2021-04-30 | 安徽马钢表面技术股份有限公司 | Ultra-wide H-shaped steel finishing mill guide and processing method |
| CN112718884B (en) * | 2020-12-11 | 2023-09-26 | 安徽马钢表面技术股份有限公司 | Ultra-wide H-shaped steel finishing mill guide and guard and processing method |
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Application publication date: 20200410 |