CN108380672A - A kind of self-reacting device of adjustment roll chock and rack gap - Google Patents
A kind of self-reacting device of adjustment roll chock and rack gap Download PDFInfo
- Publication number
- CN108380672A CN108380672A CN201810137638.8A CN201810137638A CN108380672A CN 108380672 A CN108380672 A CN 108380672A CN 201810137638 A CN201810137638 A CN 201810137638A CN 108380672 A CN108380672 A CN 108380672A
- Authority
- CN
- China
- Prior art keywords
- disc spring
- hydraulic cylinder
- self
- spring hydraulic
- reacting device
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention belongs to mechanical equipment of steel rolling technical fields, and in particular to a kind of self-reacting device of adjustment roll chock and rack gap.Including being opened in groove body compatible with disc spring hydraulic cylinder body on the outside of framework pillar, run through framework pillar and with the working hole of disc spring hydraulic cylinder piston rod clearance fit, magnetostrictive displacement sensor.Self-reacting device of the present invention eliminates the side clearance between rolling mill roller bearing seat and framework pillar, improves the static determinacy of milling train.The stability and intrinsic frequency for substantially increasing milling train, reduce Mill chattering phenomenon.The invention of self-reacting device, can ensure in the design of four-high mill roll system structure upper working rolls and lower working rolls will not relatively upper lower support roll crossing operation, and then the drawbacks of eliminate the axial movement of working roll clamping plates band.
Description
Technical field
The invention belongs to mechanical equipment of steel rolling technical fields, and in particular to a kind of to adjust roll chock and rack gap
Self-reacting device.
Background technology
The four-high mill generally existing working roll clamping plates band that China's hot rolling mill uses at present moves axially phenomenon.By reality
Ground, which is investigated, to be found, certain steel mill 3000mm heavy and medium plate mill working roll axial baffles and its frequent fracture damage of fixing bolt can not
It is used for a long time；Certain steel mill 1200mm roughing mills even with square steel with respect to ground withstand working roll bearing block prevent its axial movement come
Maintain production.The axial movements such as working roll linkage roller drive set, cardan axis, motor shaft, it might even be possible to straight with Steel Ruler
It connects and measures.The wear-resisting problem of rack liner plate is focused on solving for a long time, but effect is not obvious, and is ultimately failed to find and be asked
The root of topic.
According to traditional design theory, there are two important design parameters for four-roller strip-mill strip, as shown in Figure 1, respectively roll
The eccentricity ε of side clearance δ and roll arrangement design between bearing block 11 and the window of framework pillar 3.It is set according to micro-scale static
Meter is theoretical, this two parameters have significant impact to roller system of rolling mill stability.Between roll chock 11 and the window of framework pillar 3
Minim gap δ（It is increased afterwards with wear liner）So that roller system is in static indeterminacy state, and then is generated between working roll and support roller
Intersect operating mode, working roll clamping plates band axial movement phenomenon can occur under given conditions.
The invention of self-reacting device, it is ensured that rolling mill roll is parallel, firm position, operates reliable, elimination working roll folder
Firmly strip moves axially the energy expenditure brought, and the ability of milling train is enable effectively to play, when working under heavy reduction, production
Intensity is high, strip product best in quality increases benefit to conventional mill progress upgrading to reduce cost.
Invention content
The object of the present invention is to provide a kind of devices controlling roll chock and rack gap using adaptive principle, can
To overcome the problems, such as static indeterminacy existing for existing milling train and the axial movement of working roll clamping plates band.
The present invention is achieved by the following technical solutions：A kind of adaptive dress of adjustment roll chock and rack gap
Set, including be opened in groove body compatible with disc spring hydraulic cylinder body on the outside of framework pillar, run through framework pillar and with disc spring liquid
The working hole and magnetostrictive displacement sensor of pressure cylinder piston bar clearance fit；
The piston rod of the disc spring hydraulic cylinder can pass through working hole and its external part is connected with and is rolled by pressure sensor
The limiting plate of roll bearing seat limit cooperation, the cylinder body of disc spring hydraulic cylinder are equipped with the position-limiting cover with framework pillar immovable fitting outside,
The test side of magnetostrictive displacement sensor is mounted on the piston rod inner of disc spring hydraulic cylinder, the electricity of magnetostrictive displacement sensor
Displacement signal is fed back to host computer by subsignal transmission end, and the rodless cavity of the disc spring hydraulic cylinder is attached to the A of solenoid directional control valve
Mouthful, the P mouths of solenoid directional control valve are attached to fuel tank by hydraulic pump, the rodless cavity of disc spring hydraulic cylinder and the A mouths of solenoid directional control valve
Between pipeline on be connected in parallel to proportional pressure control valve.
As being further improved for technical solution of the present invention, limiting plate includes wear-resistant backing plate and intermediate pads, described wear-resistant
One end of backing plate is engaged with roll chock, and the other end is connected by intermediate pads with pressure sensor.
Advantage of the present invention and good effect are：
（1）Self-reacting device eliminates the side clearance between rolling mill roller bearing seat and framework pillar, improves the static determinacy of milling train
Property.
（2）The stability and intrinsic frequency for substantially increasing milling train, reduce Mill chattering phenomenon.
（3）The invention of self-reacting device can ensure that upper working rolls and lower working rolls will not phase in the design of four-high mill roll system structure
To upper lower support roll crossing operation, and then eliminate the drawbacks of working roll clamping plates band moves axially.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is four-high mill roller system gap schematic diagram.
Fig. 2 is the structural schematic diagram of self-reacting device of the present invention.
Fig. 3 is the side view of the self-reacting device.
Fig. 4 is the self-reacting device schematic view of the mounting position.
Fig. 5 is the hydraulic system principle figure of self-reacting device.
In figure：The wear-resistant backing plates of 1-；2- intermediate pads；3- framework pillars；4- pressure sensors；5- disc spring hydraulic cylinders；6- magnetic
Cause telescopic displacement sensor；7- proportional pressure control valves；8- solenoid directional control valves；9- hydraulic pumps；10- self-reacting devices；11- roll bearings
Seat；12- fuel tanks, 13- position-limiting covers.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Technical scheme of the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of self-reacting device of adjustment roll chock and rack gap, including it is opened in 3 outside of framework pillar and dish
The compatible groove body of 5 cylinder body of spring hydraulic cylinder, through framework pillar 3 and with the working hole of 5 piston rod clearance fit of disc spring hydraulic cylinder,
And magnetostrictive displacement sensor 6,
The piston rod of the disc spring hydraulic cylinder 5 can pass through working hole and its external part by pressure sensor 4 be connected with
The limiting plate of the limit cooperation of roll chock 11, the cylinder body of disc spring hydraulic cylinder 5 are equipped with the limit with 3 immovable fitting of framework pillar outside
Position cover 13, the test side of magnetostrictive displacement sensor 6 are mounted on the piston rod inner of disc spring hydraulic cylinder 5, magnetostrictive displacement
Displacement signal is fed back to host computer by the electronic signal transmission end of sensor 6, and the rodless cavity of the disc spring hydraulic cylinder 5 is attached to electricity
The A mouths of magnetic reversal valve 8, the P mouths of solenoid directional control valve 8 are attached to fuel tank 12 by hydraulic pump 9, the rodless cavity of disc spring hydraulic cylinder 5 with
It is connected in parallel to proportional pressure control valve 7 on pipeline between the A mouths of solenoid directional control valve 8.
The present invention can be as shown in Figure 4, the opposite sides of two roll chocks 11 respectively install one it is of the invention adaptive
Device 10, or one self-reacting device 10 of the invention can also be respectively installed in the homonymy of two roll chocks 11.Specifically make
Used time, the electromagnet YVH2 of solenoid directional control valve 8 and the proportion electro-magnet YB1 of proportional pressure control valve obtain electric, and solenoid directional control valve 8 changes
To high pressure oil is flowed into the rodless cavity of disc spring hydraulic cylinder 5 by hydraulic pump 9 by the channels P-A of solenoid directional control valve 8, pushes disc spring liquid
The piston rod of cylinder pressure 5 stretches out, and magnetostrictive displacement sensor 6 detects the position of piston rod in real time, when piston rod pushes roll mandrel
When bearing 11 abuts 3 side of framework pillar, displacement signal is transmitted to host computer by displacement sensor 6, and PC control electromagnetism changes
Electromagnet YVH2 power-off to valve 8, solenoid directional control valve 8 are in middle position, and disc spring hydraulic cylinder 5 is in packing state at this time, and protects
It is zero to demonstrate,prove roll chock 11 and the gap of 3 side of framework pillar.In the operation of rolling, the thermal expansion of roll chock 11 leads to backing plate
Increase with the contact of roll chock 11, by pressure sensor 4 and 7 decomposition pressure closed loop of proportional pressure control valve come to disc spring
The pressure of 5 rodless cavity of hydraulic cylinder is adjusted in due course, keeps it forever equal in magnitude with the horizontal component of roll and remain to roll
Roll bearing seat 11 and the gap of 3 side of framework pillar are zero.When replacing roll, the electromagnet YVH1 of solenoid directional control valve 8 obtains electric, dish
The high pressure oil off-load of 5 rodless cavity of spring hydraulic cylinder flows back to fuel tank 12 by the A-T of solenoid directional control valve 8, under the action of disc spring, piston
Bar is restored to original position.
Preferably, limiting plate includes wear-resistant backing plate 1 and intermediate pads 2, one end of the wear-resistant backing plate 1 and roll chock
11 are engaged, and the other end is connected by intermediate pads 2 with pressure sensor 4.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (2)
1. a kind of self-reacting device of adjustment roll chock and rack gap, which is characterized in that including being opened in framework pillar
（3）Outside and disc spring hydraulic cylinder（5）The compatible groove body of cylinder body runs through framework pillar（3）And with disc spring hydraulic cylinder（5）Piston rod
The working hole and magnetostrictive displacement sensor of clearance fit（6）,
The disc spring hydraulic cylinder（5）Piston rod working hole and its external part can be passed through to pass through pressure sensor（4）Connection
Have and roll chock（11）Limit the limiting plate of cooperation, disc spring hydraulic cylinder（5）Cylinder body outside be equipped with and framework pillar（3）Tightly
Admittedly the position-limiting cover coordinated（13）, magnetostrictive displacement sensor（6）Test side be mounted on disc spring hydraulic cylinder（5）Piston rod in
Portion, magnetostrictive displacement sensor（6）Electronic signal transmission end displacement signal is fed back into host computer, the disc spring hydraulic cylinder
（5）Rodless cavity be attached to solenoid directional control valve（8）A mouths, solenoid directional control valve（8）P mouths pass through hydraulic pump（9）It is attached to fuel tank
（12）, disc spring hydraulic cylinder（5）Rodless cavity and solenoid directional control valve（8）A mouths between pipeline on be connected in parallel to proportional overflow
Valve（7）.
2. the self-reacting device of a kind of adjustment roll chock and rack gap according to claim 1, which is characterized in that
The limiting plate includes wear-resistant backing plate（1）And intermediate pads（2）, the wear-resistant backing plate（1）One end and roll chock（11）
It is engaged, the other end passes through intermediate pads（2）With pressure sensor（4）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137638.8A CN108380672B (en) | 2018-02-10 | 2018-02-10 | A kind of self-reacting device adjusting roll chock and rack gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137638.8A CN108380672B (en) | 2018-02-10 | 2018-02-10 | A kind of self-reacting device adjusting roll chock and rack gap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380672A true CN108380672A (en) | 2018-08-10 |
| CN108380672B CN108380672B (en) | 2019-07-26 |
Family
ID=63075725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137638.8A Active CN108380672B (en) | 2018-02-10 | 2018-02-10 | A kind of self-reacting device adjusting roll chock and rack gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108380672B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227720A (en) * | 2019-07-19 | 2019-09-13 | 太原理工大学 | A kind of bulging liner plate, clearance control method and system |
| CN113843273A (en) * | 2021-10-09 | 2021-12-28 | 燕山大学 | Universal rolling mill for corrugated rail web and wing rail |
| CN114769318A (en) * | 2022-03-30 | 2022-07-22 | 湖北工业大学 | Roller bearing seat structure capable of detecting horizontal force with high precision |
| CN115990618A (en) * | 2023-03-23 | 2023-04-21 | 太原理工大学 | Rolling mill roll gap compensation device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623409A (en) * | 1992-07-06 | 1994-02-01 | Hitachi Ltd | Methods for detecting and adjusting position of work roll of rolling mill and rolling mill |
| CN2928280Y (en) * | 2006-08-07 | 2007-08-01 | 郭聚民 | Flat and vertical two-purpose rolling mill disc spring locking cylinder |
| CN201086095Y (en) * | 2007-09-20 | 2008-07-16 | 攀枝花新钢钒股份有限公司 | Vertical Rolling Mill with Side Pressing Device |
| CN101733287A (en) * | 2009-12-17 | 2010-06-16 | 北京京诚之星科技开发有限公司 | Device for adjusting and positioning horizontal offset for working rollers of rolling mill |
| CN101869912A (en) * | 2010-05-26 | 2010-10-27 | 太原重工股份有限公司 | Pressure-maintaining and regulating hydraulic control system of roll balance gear |
| CN102089090A (en) * | 2008-07-10 | 2011-06-08 | Sms西马格股份公司 | Roller device with adjuster device |
| CN202606507U (en) * | 2012-06-18 | 2012-12-19 | 北京金自天成液压技术有限责任公司 | Automatic controlling and adjusting device for cross angle of rolls of rolling mill |
| CN203725494U (en) * | 2013-12-27 | 2014-07-23 | 中色科技股份有限公司 | Stabilizing structure of roller system of rolling mill |
| CN204912282U (en) * | 2015-09-17 | 2015-12-30 | 武汉钢铁(集团)公司 | Rolling mill memorial archway clearance adjustment compensation arrangement |
-
2018
- 2018-02-10 CN CN201810137638.8A patent/CN108380672B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623409A (en) * | 1992-07-06 | 1994-02-01 | Hitachi Ltd | Methods for detecting and adjusting position of work roll of rolling mill and rolling mill |
| CN2928280Y (en) * | 2006-08-07 | 2007-08-01 | 郭聚民 | Flat and vertical two-purpose rolling mill disc spring locking cylinder |
| CN201086095Y (en) * | 2007-09-20 | 2008-07-16 | 攀枝花新钢钒股份有限公司 | Vertical Rolling Mill with Side Pressing Device |
| CN102089090A (en) * | 2008-07-10 | 2011-06-08 | Sms西马格股份公司 | Roller device with adjuster device |
| CN101733287A (en) * | 2009-12-17 | 2010-06-16 | 北京京诚之星科技开发有限公司 | Device for adjusting and positioning horizontal offset for working rollers of rolling mill |
| CN101869912A (en) * | 2010-05-26 | 2010-10-27 | 太原重工股份有限公司 | Pressure-maintaining and regulating hydraulic control system of roll balance gear |
| CN202606507U (en) * | 2012-06-18 | 2012-12-19 | 北京金自天成液压技术有限责任公司 | Automatic controlling and adjusting device for cross angle of rolls of rolling mill |
| CN203725494U (en) * | 2013-12-27 | 2014-07-23 | 中色科技股份有限公司 | Stabilizing structure of roller system of rolling mill |
| CN204912282U (en) * | 2015-09-17 | 2015-12-30 | 武汉钢铁(集团)公司 | Rolling mill memorial archway clearance adjustment compensation arrangement |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227720A (en) * | 2019-07-19 | 2019-09-13 | 太原理工大学 | A kind of bulging liner plate, clearance control method and system |
| CN113843273A (en) * | 2021-10-09 | 2021-12-28 | 燕山大学 | Universal rolling mill for corrugated rail web and wing rail |
| CN113843273B (en) * | 2021-10-09 | 2023-10-20 | 燕山大学 | Universal rolling mill for corrugated rail web wing rail |
| CN114769318A (en) * | 2022-03-30 | 2022-07-22 | 湖北工业大学 | Roller bearing seat structure capable of detecting horizontal force with high precision |
| CN115990618A (en) * | 2023-03-23 | 2023-04-21 | 太原理工大学 | Rolling mill roll gap compensation device and method |
| CN115990618B (en) * | 2023-03-23 | 2023-05-16 | 太原理工大学 | Rolling mill roll gap compensation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108380672B (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108380672B (en) | A kind of self-reacting device adjusting roll chock and rack gap | |
| CN101185942B (en) | Roller mill roll bending and shifting device | |
| CN103909093B (en) | A kind of pony roll footpath six-high cluster mill and control method for rolling | |
| CN201454578U (en) | Stock stopping device of rolling press | |
| JP5313269B2 (en) | Power transmission system comprising a hydraulic cylinder and a thrust bearing | |
| EP2411165B1 (en) | Fully hydraulic edger for plate mills | |
| CN106140822B (en) | A kind of position feedback device and its position feedback control method of multi-roll mill working roll | |
| CN101658862A (en) | Sheet rolling mill with hydraulic screwdown on support roll | |
| WO2011122069A1 (en) | Metal plate rolling machine and rolling method | |
| CN201150932Y (en) | Main drive spindle carrier device of jobbing sheet-rolling mill | |
| CN202860990U (en) | Rolling line adjustment device of reversible cold-rolling mill | |
| KR101905926B1 (en) | Fluid-leveled bearing plate | |
| CN202290757U (en) | Working roll traversing device for strip finishing mill | |
| JP5712620B2 (en) | Metal plate rolling machine | |
| AU2003239826A1 (en) | Device for influencing in a controlled manner the load pressure of pressure rollers | |
| CN201175719Y (en) | Hydraulic pressure servo battery pole piece rolling mill | |
| CN201086100Y (en) | Coiler mandrel device | |
| CN201493309U (en) | Six-roller milling machine with rollers capable of moving in axial direction | |
| CN205851561U (en) | A kind of hydraulic efficient roll balance mechanism | |
| CN203356206U (en) | Working roll door locking plate of horizontal rolling mill | |
| CN101602063B (en) | Combined type hydraulic cylinder design capable of supplying positive and negative bending roller force | |
| CN201934420U (en) | Anti-loosening device for hydraulic cylinder guide sleeve | |
| CN204664192U (en) | The external selfaligning bearing bearing assembly of self-adapting type | |
| CN103949483B (en) | Steel plate pressure guide and guards | |
| CN203704653U (en) | Sintering machine head and tail sealing device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180810 Assignee: Taiyuan Silian Heavy Industry Co.,Ltd. Assignor: Taiyuan University of Technology Contract record no.: X2021990000338 Denomination of invention: An adaptive device for adjusting the clearance between roller bearing seat and frame Granted publication date: 20190726 License type: Common License Record date: 20210604 |
|
| EE01 | Entry into force of recordation of patent licensing contract |