CN205463721U - Novel 11 roller straightening machine rollers are school zero device - Google Patents
Novel 11 roller straightening machine rollers are school zero device Download PDFInfo
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- CN205463721U CN205463721U CN201620222290.9U CN201620222290U CN205463721U CN 205463721 U CN205463721 U CN 205463721U CN 201620222290 U CN201620222290 U CN 201620222290U CN 205463721 U CN205463721 U CN 205463721U
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Abstract
The utility model relates to a novel 11 roller straightening machine rollers are school zero device, this 11 roller straightening machine roller system be including last roller system and lower roll system, and this roller is that school zero device includes levelling block and micromatic setting, the levelling block is at least two for arrange on the roll surface of lower roll system, single be equipped with on the levelling block four at the most, and can with the micromatic setting of the roll surface contact of last roller system. It is that zero mode in the school leads to the school remainder according to not accurate easily effectively to solve original straightening machine roller, and the operation process wastes time and energy and influences safe problem to can realize quick, convenient carrying out school zero to the straightening machine clearning between rolls.
Description
Technical field
This utility model belongs to metallurgical technology field, is specifically related to a kind of novel 11 roller straightener roller system Zero calibration apparatus.
Background technology
Steel, in rolling, cooling procedure, due to the impact of various factors, usually can produce shape defect.In order to eliminate these defects, steel need to align on straightener.Aligning makes the crooked position of steel bear sizable back-flexing or stretching exactly, makes these parts produce certain plastic deformation, and after external force is removed, steel are replied through elastoplasticity, then reach straight.Therefore, the effect of straightener be by rolling, cooling procedure bends because of External Force Acting, variations in temperature or equipment that the steel of torsional deformation are corrected.
According to method for aligning and construction features, straightener can be divided into: gag straightener；Roll leveller；Pipe, bar straightener；Tension flattening machine；Stretching-bending straightener etc..For the aligning of hot rolled plate, need on roll leveller, sheet material to be aligned.Roll leveller principle is: sheet material by multiple staggered rollers, stands repeatedly alternating bending and aligned on roll leveller.The most multiplex is 11 roller straighteners.
Can wear and tear in the working roll of roll leveller surface in use for some time, in order to ensure the levelness of sheet material, do not affect leveling effect, be now accomplished by changing working roll, and make all working roller roll surface of upper roller system or lower roll system have same plane.And working roll is after replacing terminates, need the roll gap of straightener up-down rollers system is carried out school zero.
School zero of the prior art process has:
Roll gap is first closed into certain aperture by the first, then carries out the measurement of gap values between rollers with clearance gauge, to read the vertical dimension between up-down rollers system roll surface, so that it is determined that the zero-bit of up-down rollers system roll surface vertical dimension.Concrete, clearance gauge is generally adjusted to fixed thickness by operating personnel, it is placed in above the roll surface of lower roll system, again with hand steered firmly clearance gauge side, after range estimation clearance gauge is generally horizontal, carries out hand turning by four down screw rods being connected with upper roller system, thus crawl upper roller system carries out descending at slow speed in various degree in four orientation of horizontal plane, until the roll surface of up-down rollers system just contacts with clearance gauge upper and lower surface, i.e. it is believed that current clearance gauge thickness is exactly the gap values between rollers of up-down rollers system.But the process several operating personnels of needs in this school zero buttress many clearance gauges and measure simultaneously, or one clearance gauge of an operation librarian use carries out multi-faceted repetitive measurement, other operating personnel adjusts roll gap, and the levelness of clearance gauge, all it is dependent on visual observations, roll gap whether fit clearance gauge also be range estimation, whole operation process is affected the biggest by human users's custom and proficiency, the data that so may result in school zero certainly exist deviation not of uniform size, and the precision in this school zero is also closely bound up with the duty of straightener simultaneously.So, owing to school zero is forbidden, the roll gap that will result in straightener up-down rollers system is defective, and the levelness of upper roller system is also inadequate, directly affects the service life of working roll and the levelness of sheet material.
It two is symmetrically placed isometry block on the roll surface of lower roll system, lead is placed the most respectively on isometry block, pressure motor is utilized to be pressed on lead by upper roller system, take out lead after being raised by upper roller system again and measure data, respectively four down screw rods are carried out hand turning then according to the data measured, the lead the most more renewed re-start before operating procedure, until the roll gap school zero of up-down rollers system is accurate.But this school zero process needs repeatedly to press to take lead, certainly will cause and operation is repeated several times, and repeatedly calculate, not only cause and the measurement cost that more renew lead is used for multiple times, due also to manual measurement reading lead indentation data, there is bigger personal error, finally affect school zero and forbidden.
Owing to board mill rhythm of production is very fast, use both the above school zero process to make time in straightener whole roller system school zero 90-140 minute (more than repairing 60 minutes day), and there is the shortcoming of school zero low precision, thus production requirement can not be met.Additionally, the reason causing roller system of straightening machine school long when using separately during above two school zero also has, the main balance system of compensating cylinder thereon and the hydraulic die cushion system of down screw rod are shared a set of hydraulic system, when roller system school zero to the hydraulic die cushion system of down screw rod also release simultaneously during the main balance system release of compensating cylinder, but the hydraulic die cushion system of down screw rod need to be pressurising state during roller system school zero, if i.e. by jiggering after the hydraulic die cushion system release of down screw rod, arising that zero-bit is inaccurate after the pressurising of roller system.
In order to improve accuracy and the versatility in roller system of straightening machine school zero, reducing the time in roller system school zero, odd-job skill in straightener school is improved by spy, better meets the demand of production.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of novel 11 roller straightener roller system Zero calibration apparatus, can realize fast, easily straightener roll gap being carried out school zero, have that good accuracy and versatility, error be little, execution efficiency advantages of higher, service life and the effect of straightener can be effectively improved, preferably save time and the manpower in roller system school zero, give and the direct motion stronger support of offer and guarantee are provided.
For reaching above-mentioned purpose, this utility model is achieved through the following technical solutions:
This utility model provides a kind of novel 11 roller straightener roller system Zero calibration apparatus, this 11 roller straightener roller system includes upper roller system and lower roll system, this roller system Zero calibration apparatus includes that levelling block and micromatic setting, described levelling block are at least two, for being arranged in the roll surface of lower roll system；Single described levelling block is provided with at most four and the micromatic setting that can contact with the roll surface of upper roller system.
Further, being formed with the containing groove assembling micromatic setting on levelling block, described containing groove quantity is identical with micromatic setting quantity.
Further, being formed with chute on levelling block, described micromatic setting is slidably located in the chute of levelling block.
Further, described micromatic setting includes that cylinder body, end cap, fore-set and elastomer, described cylinder body are provided with inner chamber, and described end cap, fore-set are loaded in this inner chamber together with elastomer, described end cap is affixed with cylinder body, and described fore-set is located between end cap and elastomer and can be slided up and down in inner chamber；Described fore-set outer wall is provided with master scale value.
Further, described containing groove and cylinder body interference fit, it is provided with the through hole for exiting micromatic setting bottom described containing groove.
Further, the inwall of described chute has the T-shaped identical with outer wall of cylinder block or swallow-tail form or I-shaped or trapezoidal cross-section.
Further, described end cap end face and cylinder deck all with levelling block end face in same level；Described fore-set end face can be down on the horizontal plane identical with levelling block end face.
Further, described fore-set is one and has the hat shape column sleeve structure along portion at opening, and described inner chamber is additionally provided with lead, and described fore-set inwall has the D-shaped identical with lead outer wall or circular or square cross section.
Further, described elastomer is spring or disc spring or polymer rubber body or other elastic components.
Further, the tune seam backing plate being located on micromatic setting is also included.
The beneficial effects of the utility model are: this utility model effectively solves original roller system of straightening machine school zero mode, and to be easily caused school zero data the most accurate, operation process is wasted time and energy and has influence on safe problem, and can realize fast, easily straightener roll gap being carried out school zero, have that good accuracy and versatility, error be little, execution efficiency advantages of higher, service life and the effect of straightener can be effectively improved, preferably save time and the manpower in roller system school zero, give and the direct motion stronger support of offer and guarantee are provided.
Other advantages of the present utility model, target and feature will be illustrated to a certain extent in the following description, and to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by description below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail, wherein:
Fig. 1 is the structural representation of 11 roller straighteners；
Fig. 2 is 11 roller straightener roller systems and the axonometric chart shown in a direction of roller system of the present utility model Zero calibration apparatus；
Fig. 3 is 11 roller straightener lower roll systems and a kind of schematic layout pattern of roller system of the present utility model Zero calibration apparatus；
Fig. 4 is 11 roller straightener lower roll systems and the another kind of schematic layout pattern of roller system of the present utility model Zero calibration apparatus；
Fig. 5 is the structure sectional view of the micromatic setting example one in this utility model roller system Zero calibration apparatus；
Fig. 6 is the structure sectional view of the micromatic setting example two in this utility model roller system Zero calibration apparatus；
Fig. 7 is the structure sectional view of the micromatic setting example three in this utility model roller system Zero calibration apparatus；
Fig. 8 is the roof pillar configuration axonometric chart in this utility model roller system Zero calibration apparatus；
Fig. 9 is the part-structure schematic diagram of this utility model roller system Zero calibration apparatus；
Reference: 1-upper roller system, 101-compensating cylinder, 102-down screw rod；2-lower roll system；3-levelling block, 301-containing groove, 302-chute；4-micromatic setting, 401-cylinder body, 4011-lead, 402-fore-set, 403-end cap, 404-elastomer, 405-master scale value；5-adjusts seam backing plate.
Detailed description of the invention
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail；Should be appreciated that preferred embodiment is only for explanation this utility model rather than in order to limit protection domain of the present utility model.
11 roller straighteners of the present utility model include depressing motor (not shown), pressure leading screw 102, compensating cylinder 101, hydraulic die cushion system (not shown) and main balance system (not shown), its roller system includes upper roller system 1 and lower roll system 2, the middle part of described upper roller system 2 connects to be had along its described compensating cylinder 101 of two be centrosymmetrically arranged, a described down screw rod 102 it is connected on its four azimuths, four described down screw rods 102 are connected by shaft coupling (not shown) respectively a described pressure motor, described hydraulic die cushion system connects with four described down screw rods 102, described main balance system connects with two described compensating cylinders 101.
Embodiment one:
As shown in Figure 1-2: a kind of novel 11 roller straightener roller system Zero calibration apparatus of this utility model, including levelling block 3 and micromatic setting 4, described levelling block 3 be at least two, is used for being arranged in the roll surface of lower roll system 2；Single described levelling block 3 is provided with at most four and the micromatic setting 4 that can contact with the roll surface of upper roller system 1.
Concrete, the quantity of described levelling block 3, size and the distribution form in lower roll system 2 can determine according to lower roll system 2, as shown in Figure 3, use on the roll surface being arranged in lower roll system 2 of two pieces of levelling block 3 parallel interval and be located at the two ends on the roller axial direction of lower roll system 2, or as shown in Figure 4, use and arrange in four pieces of levelling blocks 3, four orientation on the roll surface of lower roll system 2；And what the quantity of micromatic setting 4 can determine according to the roller quantity of the size of levelling block 3 and upper roller system 1, can select in 2,3,4 in positive integer 1；In the present embodiment, as shown in Figure 1-2, use two pieces of levelling blocks 3, arbitrary levelling block 3 is provided with four rollers on the most corresponding upper roller system 1 of four micromatic settings 4.
As it is shown in figure 5, in the present embodiment, be formed with the containing groove 301 assembling micromatic setting 4 on levelling block 3, described containing groove 301 quantity is identical with micromatic setting 4 quantity.This micromatic setting 4 includes cylinder body 401, fore-set 402, end cap 403 and elastomer 404, described cylinder body 401 is provided with inner chamber (unmarked), described end cap 403, fore-set 402 are loaded in this inner chamber together with elastomer 404, described end cap 403 and cylinder body 401 are affixed by connecting bolt (unmarked), and described fore-set 402 is located between end cap 403 and elastomer 404 and can slide up and down in inner chamber；Described fore-set 402 outer wall is provided with master scale value 405, i.e. during roller system school zero, fore-set 402 is oppressed, by the roll surface of upper roller system 1, the elastomer 404 making it move downward and compressing lower section, determining whether the roll gap of up-down rollers system reaches necessary requirement by observing and contrasting the scale value 405 on the fore-set 402 of all micromatic settings 4, now the thickness that roll gap height value is levelling block 3 between upper roller system 1 and lower roll system 2 is plus the height of fore-set 402；After roller system school zero is terminated, lifting upper roller system 1, then fore-set 402 is moved upward by the effect of the elastomer 404 of lower section, and is settled out under the effect of end cap 403, for the roller system ready work in school zero next time.For simplifying equipment, this cylinder body 401 included by micromatic setting 4 can save, and directly uses the containing groove 301 of levelling block 3, as it is shown in figure 9, equally reach above-mentioned purpose.
In the present embodiment, cylinder body 401 interference fit of the containing groove of described levelling block 3 301 and micromatic setting 4, so make together with micromatic setting 4 is securely attached to levelling block 3；Being provided with the through hole (not shown) for exiting micromatic setting 4 bottom described containing groove 301, so can be ejected by auxiliary Lifting Equipment through hole from levelling block 3 by micromatic setting 4 easily, the beneficially replacing of micromatic setting is safeguarded.
In the present embodiment, described end cap 403 end face and cylinder body 401 end face all with levelling block 3 end face in same level, i.e. end cap 403 is affixed with cylinder body 401 by dormant bolt (unmarked), and described fore-set 402 end face can be down on the horizontal plane identical with levelling block 3 end face.So, during roller system school zero, roll gap height between its up-down rollers system is equal to the thickness of levelling block 3.
As shown in Figure 8,9, in the present embodiment, described fore-set 402 is one and has the hat shape column sleeve along portion at opening, and described inner chamber is additionally provided with lead 4011, and described fore-set 402 inwall has the D-shaped cross-section identical with lead 4011 outer wall.So, by lead 4011, fore-set 402 can be played guide effect, it is simple to fore-set 402 slides up and down in the inner chamber in cylinder body 401.In the most different embodiments, this cross section can also is that circle or square cross section.
As it is shown in figure 5, described elastomer 404 uses spring, disc spring (as shown in Figure 9) or polymer rubber body or other elastic components also can be used.And when using the disc spring of circular cone disk like shape, have that to be applicable to space little, load is big, and stroke is short, is applied in combination conveniently, maintenance changes the outfit easily, economy and security advantages of higher, certainly, depressing force situation and the size of micromatic setting that the quantity of disc spring and size apply according to upper roller system determine, can an independent use, also can multiple overlapping use.During according to multiple overlapping use, can be set on lead 4011 in conjunction with the positioning action of the lead 4011 being arranged in the middle part of cylinder body 401.
As it is shown in figure 9, in the present embodiment, also include the tune seam backing plate 7 being located at above micromatic setting 4.It is placed on the top of micromatic setting 4 by arranging the seam backing plate 7 of adjusting of different size, reaches to increase the purpose of regulation up-down rollers system roll gap height so that the versatility of this roller system Zero calibration apparatus is more preferable, and adjusting range is bigger.And it is affixed with the fore-set of micromatic setting 4 to adjust seam backing plate 7 can pass through bolt (not shown), to ensure the stability of roller system Zero calibration apparatus structure, improve its school zero precision.It addition, adjusting seam backing plate 7 is the top that one piece of imposite is positioned over all micromatic settings 4, what the power that the roll surface of upper roller system 1 so can be made to apply relatively balanced is passed to adjust each micromatic setting 4 below seam backing plate 7 by tune seam backing plate 7 so that roller system school zero process is more quick.In the most different embodiments, described tune stitches the platelet (not shown) that backing plate 7 is alternatively individually and each micromatic setting 4 one_to_one corresponding is arranged.
Embodiment two:
The present embodiment is with embodiment one difference: as shown in Figure 6,7, levelling block 3 is formed chute 302, in the chute 302 being located at levelling block 3 that described micromatic setting 4 can slide along the length direction of levelling block 3, so, the micromatic setting 4 to arranging on levelling block 3 can be easy to be adjusted, make them can be directed at setting one by one with the roller roll surface of upper roller system 1.
In the present embodiment, the inwall of described chute 302 has the T-shaped cross section identical with cylinder body 401 outer wall.So, under the force structure ensureing micromatic setting 4, it is simple to micromatic setting 4 moves on levelling block 3 so that micromatic setting 4 can preferably roll surface with upper roller system 1 contact.In the most different examples, this cross section also can make swallow-tail form (as shown in Figure 7) or I-shaped or trapezium structure, equally reaches above-mentioned purpose.
It should be noted that, the levelling block 3 that roller system of the present utility model Zero calibration apparatus is used, micromatic setting 4 and tune seam backing plate 7 are made by 3Cr2W8V mould steel, there is high intensity, high rigidity and the advantage of high abrasion, simultaneously, the main balance system of two compensating cylinders 101 of 11 roller straighteners and the hydraulic die cushion system of four down screw rods 102 are separated, a small station is set up in the hydraulic system of straightener, for controlling main balance system and the hydraulic die cushion system of down screw rod 102 of compensating cylinder 101 respectively, ensure that the hydraulic die cushion system of down screw rod 102 is under pressurising state, up-down rollers system roll gap carries out the odd-job of accuracy school make, solve problem long during 11 roller straightener school small incidental expenses very well.
Now illustrate to use above-mentioned roller system Zero calibration apparatus to be the roller system school Z-operation process that 50mm is carried out to roll gap height value needed for novel 11 roller straightener up-down rollers systems by a specific embodiment:
1, replace with the roller of abrasion in lower roll system: upwards being drawn high by upper roller system 1 by pressure motor, lower roll system 2 is failure to actuate, after up-down rollers system opens, more renew in roller load facility after old roller is pulled out；
2, roller system school zero prepares: place two pieces of levelling blocks 3 on the roll surface of lower roll system 2, and by pull bar 5 by two described levelling block 3 pre-pressings in lower roll system 2, upper roller system 1 reached above distance levelling block at 3～5mm followed by pressure motor, the present embodiment takes 4mm, and by mobile regulation levelling block 3 or carry out traversing by four micromatic settings 4 on which of the chute 302 on levelling block 3, four micromatic settings 4 are made to be directed at one by one with four roller roll surfaces of upper roller system 1, then the independent main balance system decompression to compensating cylinder 101, and keep the hydraulic die cushion system pressurising of down screw rod 102, disengage the shaft coupling between pressure motor and down screw rod simultaneously；
3, roller system school zero: by respectively to four down screw rod 102 hand turnings, the roll surface making upper roller system 1 applies downward pressure from four orientation to the micromatic setting 4 being in contact with it respectively, fore-set 402 is promoted to slide in the inner chamber of the cylinder body 401 of micromatic setting 4, and it is the most identical to observe the master scale value 405 of the fore-set 402 of all of micromatic setting 4 on two levelling blocks 3, i.e. the roll surface of guarantee upper roller system 1 is on the height in certain level face, and the thickness of levelling block 3 is added, and the height of fore-set 402 is equal to the 50mm height that between up-down rollers system, roll gap is to be adjusted；
4, roller system school zero is terminated: stop the hand turning to four down screw rods 102, and the needle dial (not shown) pointer on straightener is pushed at the scale value of 50mm, then the main balance system pressurising of cylinder 101 is balanced, and connect the shaft coupling between upper pressure motor and pressure leading screw, finally, take roller system Zero calibration apparatus away, this whole school zero end-of-job.Control at 30-40 minute according to calculating the whole school zero-time.
This utility model also has an easy replacement scheme, it is on levelling block 3, be not provided with micromatic setting 4, its school zero process is: in above-mentioned steps 3) in manually four down screw rods 102 of jiggering act directly on levelling block 3, when four down screw rod dishes of hand turning are motionless, torque spanner is used respectively four down screw rods to be checked, use clearance gauge to check simultaneously, confirm that the roll surface of upper roller system 1 is fully pressed against on levelling block 3, now, the roll gap height value that the one-tenth-value thickness 1/10 50mm of levelling block 3 is between up-down rollers system.The levelling block 3 of the fixed thickness that this scheme exists use different size completes the adjustment of up-down rollers system roll gap, and its versatility is slightly worse, but school zero working time is very fast.
For above-mentioned 11 roller straightener roller system school zero embodiments, its direct economic benefit produced with the contrast of former technology is:
The old process calibration small incidental expenses time: roller system school zero is per week once, January 4 times.The 120 minutes x4 time x12 month=5760 minute.
The new technology school small incidental expenses time: roller system school zero is per week once, January 4 times.The 40 minutes x4 time x12 month=1920 minute
Year saves the school zero-time: 5760-1920=3840 minute.
The newest school odd-job skill than old 1 year saving school zero-time of school odd-job skill is: 3840 minutes (64 hours).
During school zero, energy energy medium (water, electricity and gas wind) in its Rolling production can not be closed down, energy expenditure hourly is about 8073 yuan, the increase of cost can be caused, therefore save the school zero-time and can save production cost 8073 yuan/hour × 64 hour=516672 yuan (51.6672 ten thousand yuan).
Therefore, it is 51.6672 ten thousand yuan that this project can create economic benefit every year.
Generally speaking, this utility model effectively solves 11 original roller straightener roller system school zero modes, and to be easily caused school zero data the most accurate, operation process is wasted time and energy and has influence on safe problem, and can realize fast, easily straightener roll gap being carried out school zero, have that good accuracy and versatility, error be little, execution efficiency advantages of higher, service life and the effect of straightener can be effectively improved, preferably save time and the manpower in roller system school zero, give and the direct motion stronger support of offer and guarantee are provided.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent, without deviating from objective and the scope of the technical program, it all should be contained in the middle of right of the present utility model.
Claims (10)
1. novel 11 roller straightener roller system Zero calibration apparatus, this 11 roller straightener roller system includes upper roller system and lower roll system, it is characterized in that: this roller system Zero calibration apparatus includes that levelling block and micromatic setting, described levelling block are at least two, for being arranged in the roll surface of lower roll system；Single described levelling block is provided with at most four and the micromatic setting that can contact with the roll surface of upper roller system.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 1, it is characterised in that: being formed with the containing groove assembling micromatic setting on levelling block, described containing groove quantity is identical with micromatic setting quantity.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 2, it is characterised in that: being formed with chute on levelling block, described micromatic setting is slidably located in the chute of levelling block.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 3, it is characterized in that: described micromatic setting includes cylinder body, end cap, fore-set and elastomer, described cylinder body is provided with inner chamber, described end cap, fore-set are loaded in this inner chamber together with elastomer, described end cap is affixed with cylinder body, and described fore-set is located between end cap and elastomer and can be slided up and down in inner chamber；Described fore-set outer wall is provided with master scale value.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 4, it is characterised in that: described containing groove and cylinder body interference fit, it is provided with the through hole for exiting micromatic setting bottom described containing groove.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 4, it is characterised in that: the inwall of described chute has the T-shaped identical with outer wall of cylinder block or swallow-tail form or I-shaped or trapezoidal cross-section.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 4, it is characterised in that: described end cap end face and cylinder deck all with levelling block end face in same level；Described fore-set end face can be down on the horizontal plane identical with levelling block end face.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 4, it is characterized in that: described fore-set is one and has the hat shape column sleeve structure along portion at opening, described inner chamber is additionally provided with lead, and described fore-set inwall has the D-shaped identical with lead outer wall or circular or square cross section.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 4, it is characterised in that: described elastomer is spring or disc spring or polymer rubber body or other elastic components.
Novel 11 roller straightener roller system Zero calibration apparatus the most according to claim 1, it is characterised in that: also include the tune seam backing plate being located on micromatic setting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222290.9U CN205463721U (en) | 2016-03-22 | 2016-03-22 | Novel 11 roller straightening machine rollers are school zero device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222290.9U CN205463721U (en) | 2016-03-22 | 2016-03-22 | Novel 11 roller straightening machine rollers are school zero device |
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| CN205463721U true CN205463721U (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108537A (en) * | 2019-06-22 | 2020-12-22 | 上海梅山钢铁股份有限公司 | Method for quickly calibrating zero position of straightening machine |
| CN114570791A (en) * | 2020-11-30 | 2022-06-03 | 宝山钢铁股份有限公司 | Method and device for improving installation of straightening machine of pickling cold continuous rolling mill set and adjusting roller pressing precision |
-
2016
- 2016-03-22 CN CN201620222290.9U patent/CN205463721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108537A (en) * | 2019-06-22 | 2020-12-22 | 上海梅山钢铁股份有限公司 | Method for quickly calibrating zero position of straightening machine |
| CN114570791A (en) * | 2020-11-30 | 2022-06-03 | 宝山钢铁股份有限公司 | Method and device for improving installation of straightening machine of pickling cold continuous rolling mill set and adjusting roller pressing precision |
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Effective date of registration: 20190212 Address after: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee after: Chongqing Iron and Steel Co., Ltd. Address before: 400060 No. 1 Sancun Dayan, Dadukou District, Chongqing Patentee before: Chongqing Iron & Steel (Group) Co., Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220 Patentee after: CHONGQING IRON & STEEL Co.,Ltd. Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee before: CHONGQING IRON & STEEL Co.,Ltd. |