CN2860650Y - Rolling line height mark regulator of rolling mill - Google Patents

Rolling line height mark regulator of rolling mill Download PDF

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Publication number
CN2860650Y
CN2860650Y CN 200520036341 CN200520036341U CN2860650Y CN 2860650 Y CN2860650 Y CN 2860650Y CN 200520036341 CN200520036341 CN 200520036341 CN 200520036341 U CN200520036341 U CN 200520036341U CN 2860650 Y CN2860650 Y CN 2860650Y
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CN
China
Prior art keywords
rolling
pad
bearing block
mat
absolute altitude
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Expired - Lifetime
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CN 200520036341
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Chinese (zh)
Inventor
谢金良
陈建平
曹阳
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China Second Heavy Machinery Group Co
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CHINA SECOND HEAVY MACHINERY GROUP CO
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Abstract

The utility model discloses an adjusting-device for the adjusting to the rolling line level of the middle thick (wide) plate rolling mill and of the belt-steel continuous-rolling thick rolling mill which is adjustable between channels. The utility model has compact structure and high working efficiency. The device adopts the raising-piece which is set on the frame and can raise the rail while vertically raise the bearing base. The supporting-mat set between the bearing-base and the frame is a ladder-mat. The bearing base is supported on the ladder face through the round-arc mat. An even pushing-pulling device connects with the ladder-mat. The adjustment through the even pushing-pulling device can let the bearing-mat support on the different ladder faces by the round-arc mat to realize the quick up-and-down adjustment to the rolling line level of each channel. The utility model is compact and has a wide adjusting scope and high working efficiency. After the roller is worn the rolling line can be highly compensated. The invention not only can reach the rolling of the austenitic stainless steel but also can reduce the head-knocking and head-rising during the process of rolling other steels. The invention can be extensively used to the thick rolling mill of the belt-steel continuous rolling and the middle (wide) thick plate rolling mill.

Description

The roll line absolute altitude adjusting device of milling train
Technical field
The utility model relates to a kind of roll line absolute altitude adjusting device of milling train, especially a kind of roughing mill of the hot strip rolling that can between passage, adjust and in the roll line absolute altitude adjusting device of (wide) heavy plate mill.
Background technology
At present, the demand to corrosion resistant plate is increasing on the market.In to the stainless operation of rolling, attenuation along with the stainless steel rolled piece, the reduction roll line that should be in good time and the difference in height of frame roll surface, avoiding owing to the softer climbing again of the material of stainless steel materials nip kowtowing of producing, nose phenomenon, the mode of this roll line absolute altitude adjustment can be used for also reducing that other steel grade produces when rolling kowtows, the nose phenomenon.The milling train that can be rolled the adjustment of line absolute altitude between passage that occurs in the world mainly contains three types in recent years: the one, and the machinery of MIT presses formula, adopt the adjustment mode of stepless hydraulic cylinder jacking, its complex structure is as 1780 milling trains of Shanghai iron and steel one factory of China Baoshan Iron and Steel Group; The 2nd, AGC (automatic thickness control) underneath type of German SMS company adopts the adjustment mode of stepless hydraulic cylinder jacking, and its complex structure is as the 5m milling train of China Baoshan Iron and Steel Group; The 3rd, hydraulic cylinder is directly lifted formula, and its adjusting range is little, adopt and manually change pad, as Taiyuan Iron and Steel Co. 1549 roughing mills, or a hydraulic cylinder complete set must be pulled out during roll change, and its inefficiency, working strength are big, as ripples steel 1750 finishing mills; In addition, domestic also design adopt long apart from inclined-plane lifting roll change, be aided with the heavy and medium plate mill that manually changes pad.
The utility model content
In order to overcome the roll line absolute altitude adjusting device complex structure or the inefficient deficiency of existing milling train, technical problem to be solved in the utility model provides a kind of roll line absolute altitude adjusting device of milling train of simple and compact for structure, high efficiency.
The technical scheme that its technical problem that solves the utility model adopts is: the roll line absolute altitude adjusting device of milling train, the bearing block that comprises lower support roller and installation lower support roller, bearing block is supported on the frame by supporting pad, is provided with supporting pad between bearing block and the frame; Frame is provided with the lifting cylinder, the lifting cylinder can be by the vertical lifting bearing block of lifting track, and supporting pad is the step pad of hierarchic structure, is fixedly connected with the circular arc pad on the bearing block, bearing block is supported on by the circular arc pad on the cascaded surface of step pad, is connected with horizontal push-pull mechanism on the step pad.
The beneficial effects of the utility model are: by the lifting cylinder with the bearing block lifting after, the horizontal push-pull mechanism that utilization is connected on the step pad moves horizontally step pad, thereby make it make bearing block be supported on the different cascaded surface of step pad by the circular arc pad by adjustment, realize that every time carries out the upper and lower adjustment of rolling line absolute altitude rapidly, height simple and compact for structure and adjusting range are big, the impulse stroke of horizontal push-pull mechanism is short, high efficiency, can carry out the rolling line altimetric compensation behind roll wear.This structure has not only satisfied the rolling of austenitic stainless steel, also can when rolling other steel grade, reduce kowtow, the nose phenomenon, can be applicable to widely hot strip rolling roughing mill and in (wide) heavy plate mill.
Description of drawings
Fig. 1 is a partial structurtes schematic sectional view of the present utility model.
Fig. 2 is that the lifting track of A-A direction among Fig. 1 enters and the partial structurtes schematic diagram the during two states that breaks away from the lifting position.
Be labeled as among the figure: lower support roller 1, bearing block 2, supporting pad 3, frame 4, lifting cylinder 5, lifting track 6, circular arc pad 7, hydraulic cylinder 8.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1 and Figure 2, the roll line absolute altitude adjusting device of milling train of the present utility model, the bearing block 2 that comprises lower support roller 1 and installation lower support roller 1, bearing block 2 is supported on the frame 4 by supporting pad 3, be provided with supporting pad 3 between bearing block 2 and the frame 4, this supporting pad 3 adopts the step pad of hierarchic structure.Frame 4 is provided with lifting cylinder 5, and lifting cylinder 5 can be fixedly connected with circular arc pad 7 by lifting track 6 vertical lifting bearing blocks 2 on the bearing block 2, and bearing block 2 is supported on by circular arc pad 7 on the cascaded surface of step pad, is connected with horizontal push-pull mechanism on the step pad.When needing to adjust absolute altitude, lifting cylinder 5 is with bearing block 2 liftings, utilize the horizontal push-pull mechanism that is connected on the step pad to move horizontally step pad then, the back lifting cylinder 5 that puts in place descends, thereby bearing block 2 is supported on the different cascaded surface of step pad by circular arc pad 7, realizes that every time carries out the upper and lower adjustment of rolling line absolute altitude rapidly.The adjustment of milling train absolute altitude can be adopted a key operation, and electric-fluid pressure linkage is finished, i.e. the decline of the moving of the lifting of lifting cylinder 5, horizontal push-pull mechanism, lifting cylinder 5 when rolling line is adjusted, electrical control all adopt the time difference to finish again in addition pressure detecting guarantees.
Step pad can adopt the form of multistage ladder, same reason, circular arc pad 7 also can adopt a plurality of of a plurality of different height, adopt the circular arc pad 7 of differing heights and the step pad of multistage ladder to make up configuration, thereby satisfy the needs of the different level adjustment of various use occasions, different type of machines.
Horizontal push-pull mechanism can adopt the push-pull mechanism of conventional mechanical type for being horizontally disposed with, and also can adopt hydraulic pressure form push-pull mechanism.In order to reach fast and to have enough push-and-pull power, horizontal push-pull mechanism preferably adopts horizontally disposed hydraulic cylinder 8, and the cylinder body of hydraulic cylinder 8 and piston rod are connected on frame 4 and the step pad.
In order to make the accurate in locating that moves horizontally of step pad, the horizontal displacement of step pad can be carried out the control of displacement by detecting unit.Detecting unit can adopt multiple existing various ways, for example adopt the flow of control hydraulic cylinder flowmeter, be arranged on linear displacement transducer on the hydraulic cylinder 8 etc.If adopt linear displacement transducer, can use in existing grating, magnetic grid, inductosyn, appearance grating straight-line displacement sensor and the rheostat any one.
Embodiment: as shown in Figure 1 and Figure 2, the roll line absolute altitude adjusting device of 1750R milling train, the bearing block 2 that comprises lower support roller 1 and installation lower support roller 1, bearing block 2 is supported on the frame 4 by supporting pad 3, be provided with supporting pad 3 between bearing block 2 and the frame 4, this supporting pad 3 adopts the step pad of 9 grades of hierarchic structures, and the difference in height between the adjacent two-stage is 15mm.Frame 4 is provided with lifting cylinder 5, and lifting cylinder 5 can be by lifting track 6 vertical lifting bearing blocks 2, and the both sides of each bearing block 2 respectively are provided with a lifting cylinder 5.Be fixedly connected with circular arc pad 7 on the bearing block 2, bearing block 2 is supported on the cascaded surface of step pad by circular arc pad 7, the height of circular arc pad 7 is divided into 150mm and 240mm two retainings, adopts the circular arc pad 7 of different height and the step pad of 9 grades of hierarchic structures to mate the requirement of further satisfying absolute altitude adjustment on a large scale.Be connected with horizontally disposed hydraulic cylinder 8 on the step pad, the cylinder body of hydraulic cylinder 8 and piston rod are connected on frame 4 and the step pad.The horizontal displacement of step pad is by being arranged on the control that linear displacement transducer on the hydraulic cylinder 8 carries out displacement.
When needing to adjust absolute altitude, lifting cylinder 5 is with bearing block 2 liftings, utilize the hydraulic cylinder 8 that is connected on the step pad to move horizontally step pad then, the back lifting cylinder 5 that puts in place descends, thereby bearing block 2 is supported on the different cascaded surface of step pad by circular arc pad 7, realizes that every time carries out the upper and lower adjustment of rolling line absolute altitude rapidly.A key operation is adopted in the absolute altitude adjustment of 1750R milling train, electric-fluid pressure linkage is finished, the decline of the moving of the i.e. lifting of lifting cylinder 5 when rolling line is adjusted, hydraulic cylinder 8 push-and-pull step pads, lifting cylinder 5, electrical control all adopt the time difference to finish in addition again, and pressure detecting guarantees.The speed designs of lifting cylinder 5 wherein is 20mm/s, and the speed of the hydraulic cylinder 8 of push-and-pull step pad is 100mm/s; The ladder one-level of step pad is 15, and wide is 155.Consider temporal error, the time of lifting design is 1.5 seconds, and the design time that step pad moves is 1.55 seconds, and be 0.75 second fall time, and then time of once adjusting of roll line is 3.8 seconds.

Claims (5)

1, the roll line absolute altitude adjusting device of milling train comprises lower support roller (1) and the bearing block (2) of lower support roller (1) is installed that bearing block (2) is supported on the frame (4) by supporting pad (3); Frame (4) is provided with lifting cylinder (5), lifting cylinder (5) can be by the vertical lifting bearing block (2) of lifting track (6), it is characterized in that: supporting pad (3) is the step pad of hierarchic structure, be fixedly connected with circular arc pad (7) on the bearing block (2), bearing block (2) is supported on the cascaded surface of step pad by circular arc pad (7), is connected with horizontal push-pull mechanism on the step pad.
2, the roll line absolute altitude adjusting device of milling train as claimed in claim 1 is characterized in that: horizontal push-pull mechanism is horizontally disposed hydraulic cylinder (8), and the cylinder body of hydraulic cylinder (8) and piston rod are connected on frame (4) and the step pad.
3, the roll line absolute altitude adjusting device of milling train as claimed in claim 1 or 2, it is characterized in that: the horizontal displacement of step pad is controlled by detecting unit.
4, the roll line absolute altitude adjusting device of milling train as claimed in claim 3 is characterized in that: detecting unit is for being arranged on the linear displacement transducer on the hydraulic cylinder (8).
5, the roll line absolute altitude adjusting device of milling train as claimed in claim 4 is characterized in that: linear displacement transducer is any one in grating, magnetic grid, inductosyn, appearance grid, the rheostat.
CN 200520036341 2005-12-01 2005-12-01 Rolling line height mark regulator of rolling mill Expired - Lifetime CN2860650Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520036341 CN2860650Y (en) 2005-12-01 2005-12-01 Rolling line height mark regulator of rolling mill

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Application Number Priority Date Filing Date Title
CN 200520036341 CN2860650Y (en) 2005-12-01 2005-12-01 Rolling line height mark regulator of rolling mill

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CN2860650Y true CN2860650Y (en) 2007-01-24

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101332470B (en) * 2007-06-29 2011-04-13 宝山钢铁股份有限公司 Adjustment method of height of rolling line
CN101733286B (en) * 2008-11-04 2012-10-03 上海重型机器厂有限公司 Device for adjusting rolling line level of medium plate mill and adjusting method thereof
CN103949478A (en) * 2014-04-25 2014-07-30 无锡市桥联冶金机械有限公司 Rolling line regulation device
CN104438347A (en) * 2014-11-08 2015-03-25 马钢(集团)控股有限公司 Quick replacing method of four-roller mill roller-change elevation adjusting device
CN104550248A (en) * 2014-12-17 2015-04-29 秦皇岛首秦金属材料有限公司 Incoming material thickness and rolling reduction-based rolling line regulation method
CN104646430A (en) * 2015-01-23 2015-05-27 合肥市百胜科技发展股份有限公司 Roller positioning and regulating device
CN111744972A (en) * 2020-06-30 2020-10-09 宁波钢铁有限公司 Rolling mill rolling force detection structure
CN111744970A (en) * 2019-03-27 2020-10-09 宝山钢铁股份有限公司 Device and method for detecting lower step position of hot continuous rolling mill
CN111790758A (en) * 2020-05-29 2020-10-20 首钢京唐钢铁联合有限责任公司 Calibration method and automatic roll changing control method for lower step pad of finishing mill
CN114130831A (en) * 2021-11-30 2022-03-04 山东钢铁集团日照有限公司 Device and method for calibrating position of step pad on rolling mill

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101332470B (en) * 2007-06-29 2011-04-13 宝山钢铁股份有限公司 Adjustment method of height of rolling line
CN101733286B (en) * 2008-11-04 2012-10-03 上海重型机器厂有限公司 Device for adjusting rolling line level of medium plate mill and adjusting method thereof
CN103949478A (en) * 2014-04-25 2014-07-30 无锡市桥联冶金机械有限公司 Rolling line regulation device
CN104438347A (en) * 2014-11-08 2015-03-25 马钢(集团)控股有限公司 Quick replacing method of four-roller mill roller-change elevation adjusting device
CN104550248B (en) * 2014-12-17 2016-12-07 秦皇岛首秦金属材料有限公司 A kind of roll line method of adjustment based on supplied materials thickness and drafts
CN104550248A (en) * 2014-12-17 2015-04-29 秦皇岛首秦金属材料有限公司 Incoming material thickness and rolling reduction-based rolling line regulation method
CN104646430A (en) * 2015-01-23 2015-05-27 合肥市百胜科技发展股份有限公司 Roller positioning and regulating device
CN111744970A (en) * 2019-03-27 2020-10-09 宝山钢铁股份有限公司 Device and method for detecting lower step position of hot continuous rolling mill
CN111744970B (en) * 2019-03-27 2022-03-18 宝山钢铁股份有限公司 Device and method for detecting lower step position of hot continuous rolling mill
CN111790758A (en) * 2020-05-29 2020-10-20 首钢京唐钢铁联合有限责任公司 Calibration method and automatic roll changing control method for lower step pad of finishing mill
CN111744972A (en) * 2020-06-30 2020-10-09 宁波钢铁有限公司 Rolling mill rolling force detection structure
CN111744972B (en) * 2020-06-30 2021-11-23 宁波钢铁有限公司 Rolling mill rolling force detection structure
CN114130831A (en) * 2021-11-30 2022-03-04 山东钢铁集团日照有限公司 Device and method for calibrating position of step pad on rolling mill

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C14 Grant of patent or utility model
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ASS Succession or assignment of patent right

Owner name: DUAL GROUP (DEYANG) HEAVY EQUIPMENT CORP.

Free format text: FORMER OWNER: CHINA SECOND HEAVY MACHINERY GROUP CO

Effective date: 20071109

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20071109

Address after: 618013 No. 460 West Zhujianglu Road Road, Sichuan, Deyang

Patentee after: Erzhong Group (Deyang) Heavy Equipment Co., Ltd.

Address before: 618013 No. 460 West Zhujianglu Road Road, Sichuan, Deyang

Patentee before: China Second Heavy Machinery Group Co

ASS Succession or assignment of patent right

Owner name: CHINA SECOND HEAVY MACHINERY GROUP CO

Free format text: FORMER OWNER: DUAL GROUP (DEYANG) HEAVY EQUIPMENT CORP.

Effective date: 20100315

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Free format text: CORRECT: ADDRESS; FROM: 618013 NO.460, WEST ROAD, ZHU JIANG ROAD, DEYANG CITY, SICHUAN PROVINCE TO:618013 NO.460, ZHUJIANG WEST ROAD, DEYANG CITY, SICHUAN PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20100315

Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460

Patentee after: China Second Heavy Machinery Group Co

Address before: 618013 No. 460 West Zhujianglu Road Road, Sichuan, Deyang

Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20070124

EXPY Termination of patent right or utility model