CN103781563A - Drive roller changing system for drivers of a rolling mill system - Google Patents
Drive roller changing system for drivers of a rolling mill system Download PDFInfo
- Publication number
- CN103781563A CN103781563A CN201280030731.XA CN201280030731A CN103781563A CN 103781563 A CN103781563 A CN 103781563A CN 201280030731 A CN201280030731 A CN 201280030731A CN 103781563 A CN103781563 A CN 103781563A
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- Prior art keywords
- driven roller
- station
- driver
- roller
- supports drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/006—Pinch roll sets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Rolling Contact Bearings (AREA)
- Friction Gearing (AREA)
Abstract
The invention relates to a device and to a method for changing drive rollers of drivers of a rolling mill system. In addition to the driver station (23) and/or reel station (24) of the hot-rolling mill system, at least one driver roller storage station (27) and at least one driver roller conditioning station (28) are present, preferably viewed from the hot-rolling mill stations in the direction of the reel station beyond the swift station on the extension of the longitudinal axis of the hot-rolling mill system. Likewise, at least one manipulator (29) is present which is displaceable at least between the driver station and the driver roller conditioning station and the driver roller storage station, and optionally also the hot-rolling station.
Description
Technical field
The present invention relates to a kind of device and a kind of method of the driven roller of the driver for changing milling equipment.
Background technology
In the drive unit that is also referred to as driver, between a pair of roller, clamp, drive metal tape or it is turned to.Driver is typically used in the mill of milling equipment such as hot-rolling mill equipment, described drive arrangement is before the hot-rolled strip at described coiling machine station batches machine, for that is to say that by means of two rolls driven roller and supports drive roller regulate described coiling machine strap tension before there.
Directional drive has the other task that rolled strip is displaced sideways that reduced before batching.For this reason, such as like this manipulation described can deflection driven roller and by it towards fixing supports drive roller closing, thereby make described rolled strip obtain the movement of desired strap tension and desired side direction by the position with respect to described supports drive roller of described driven roller.
The driven roller that turns to like this discloses such as having obtained from EP747147B1 or AT500689B1.
In EP747147B1, illustrated that one turns to driven roller, its driven roller that can be offset is arranged between two rocking arms in two supported modes in end by means of drive roller shaft.These two rocking arms have carried out being connected of rigidity with the torsion spring of framework, and described torsion spring is formed for the rotating shaft of described rocking arm.
A kind of similar directional drive is disclosed in AT500689B1, still described rocking arm deflecting facet on the rotating shaft of framework independently of one another for this directional drive.
The regularly driven roller to directional drive and supports drive roller cleans and polishing; because such as the dirty particle existing due to carbon fouling, on the band that needs to be batched or due to the blemish causing when the open rolling in the band that needs to be batched; the surface of described driven roller and backing roll becomes inhomogeneous, the surperficial damage of this band that needs to be batched described in can causing again.
In EP747147B1 or AT500689B1, described drive roller shaft is bearing on the support region of described rocking arm, and wherein said driven roller is the below in described rocking arm respectively.The bearing of described driven roller in the time that open rolling is collided, avoid damage and such as the bascule activating by spring seamlessly regulates.
Can not upwards take out described driven roller, because described rocking arm hinders such taking-up operation and blocks path upwards.In running status, blocked downwards, take out path to the right or left by described supports drive roller and described framework.Therefore,, before can taking out, first must open the path being plugged.
For can to described driven roller and supports drive roller cleans and polishing, conventionally make the described rocking arm that is supporting driven roller to deflecting in centre position by means of rocking arm cylinder; In order to change described driven roller, this point is necessary equally.Through the described rocking arm of being everlasting to deflection arrive described centre position after 180 °.Next in the state of installing, great majority clean and grinding or polishing described driven roller and described supports drive roller with hand.By clean and grinding or the polishing carried out, produced security risk in described equipment.Why like this, be that described part of appliance must stop and locking in this case reliably because being engaged in the personnel of these operations must enter between part of appliance at described device interior.In addition, owing to being provided with security risk for the time pressure of implementing these work, because described clean and grinding or polishing must be implemented in time interval of needed 10 to 15 minutes for the working roll of frame is changed.If can not produce enough surperficially or the in the situation that of damage uniformly by clean, grinding and polishing, just must after described rocking arm deflection, described driven roller or described supports drive roller be removed and be replaced by new driven roller or supports drive roller from described framework in described driven roller or supports drive roller.For this reason, for the directional drive according to described in EP747147B1 or AT500689B1, must pull down whole rocker structure together with driven roller.Due to a large amount of quality together with driven roller that has Connection Element to be released and described framework, cause huge temporal cost of labor for the maintenance of driven roller and supports drive roller.In addition,, in the time that described driven roller is arranged between described rocking arm, for maintenance operation, be difficult to approach described driven roller.
Summary of the invention
According to inner prior art, known drive device, these drivers have overcome temporal cost of labor and the security risk that the shortcoming of prior art and these drivers cause in the time changing driven roller and have been less than traditional driver and method.
The driver for steel strip coiling equipment like this has at least one supports drive roller being bearing on framework can be with respect to the driven roller of described supports drive roller closing with at least one, described driven roller is bearing at least one rocking arm being connected with described framework, wherein said driven roller is positioned on the support region of described rocking arm, wherein said support region opens wide, for packing described driven roller at described rocking arm into during in operating position or towards side and/or upwards take out described driven roller, and described driving implement is useful on described driven roller is fixed on to the fixed mechanism on described support region.Described support region refers to a region of described rocking arm, is positioned on described rocking arm at driven roller described in this region.
Described support region opens wide, for packing described driven roller at described rocking arm into during in operating position or towards side and/or upwards take out described driven roller, therefore described support region does not hinder towards side and/or upwards pulls down described driven roller.Therefore, driven roller can be when needed towards side and/or upwards take out from described rocking arm, and will substantially from described operating position, not remove or described rocking arm is dismantled completely together with described driven roller together with described driven roller by described rocking arm.Operating position refers to a kind of position of described rocking arm, normal in service the taking up position of described driver.
Described driving implement is useful on described driven roller is fixed on to the fixed mechanism on described support region.The assurance that is in operation thus, described driven roller can depart from towards side and/or upwards welcomely.In the state being fixed, can described driven roller be moved on in different operating positions in check mode.Preferably can be by described fixed mechanism be changed and adjusts to the location with respect to described supports drive roller that changes described driven roller under stationary state in different positions.
According to a kind of embodiment, described fixed mechanism comprises the lock bolt that can move, and this lock bolt preferably can be fixed on described rocking arm.
According to another kind of embodiment, described fixed mechanism comprises turning device, and the parts of this turning device can be fixed on the upset of axle on described rocking arm and it can be fixed on described rocking arm round at least one.Can be turned to central each other support arm such as this relates to two, described support arm carrys out locking by the voussoir that can move.Every support arm overturns round another root axle at this.
The below of described supports drive roller in described driven roller.Therefore,, as long as described driven roller is arranged in described driver, just can not upwards take out described supports drive roller.If taken out described driven roller, that has just been opened upwards by the path of its taking-up for described supports drive roller.
If described driven roller is bearing between a pair of rocking arm, the spacing of so described rocking arm is preferably greater than the length of described supports drive roller.Guarantee that thus the space freely that described supports drive roller can the taking-up by due to described driven roller produces upwards take out.
If be less than the length of described supports drive roller in the spacing of rocking arm described in operating position, so preferably, in the time pulling down described driven roller described at least one rocking arm in rocking arm can move or deflection with respect to another rocking arm.Realize in this way this point, can take out described supports drive roller.
Preferred described steel strip coiling equipment is the steel strip coiling equipment for hot-rolled band.
Preferred described driver is directional drive.
According to one preferred embodiment, driven roller and supports drive roller are arranged in holding device.
Described holding device is such as can be to keep framework, this holding device thereby not only comprise described driven roller but also comprise described supports drive roller.
Can realize thus this point, in order to take out or only must to apply effect and it is removed from described driver to described holding device in order to pack a pair of driven roller and supports drive roller into.
Individually do not take out driven roller and supports drive roller or be individually encased in described driver, can complete quickly thus taking-up and pack operation into.
Described supports drive roller can be bearing on described framework in the mode of fixing or can move.
Described driven roller or described supports drive roller are round drive roller shaft and/or the rotation of support drive roll shaft, according to a kind of embodiment, described drive roller shaft and/or described support drive roll shaft are made up of at least two drive roller shaft parts and/or supports drive roller spindle unit, at least one drive roller shaft parts in wherein said drive roller shaft parts are configured to mode unclamping-such as passing through adpting flange, there is the spindle nose (Wellenstummel) on the columniform body of the orifice plate of the driving bolt that can move or pawl formula coupling-be fixed on described driven roller or supports drive roller.Described spindle nose can be configured to hollow shaft at this, in order to drive described driven roller or supports drive roller will be inserted in described hollow shaft with the axle of motor operation.This can make people soon described driven roller and/or supports drive roller be taken out from described driver, and this point has reduced the security risk causing due to the time pressure producing in the time that driven roller is changed.
According to a kind of embodiment of described driver, described supports drive roller can the direction along its longitudinal axis be taken out in side from described driver.It also can be inserted in described driver along its longitudinal axis in side.
In by the driver shown in EP747147B1 or AT500689B1, an end of described rocking arm can be round rotating shaft deflection, another end of described rocking arm with operating means such as the preferred hydraulic cylinder of pressure medium cylinder is connected.By the adjusting for this operating means, can make described rocking arm round its rotating shaft deflection, such as for taking out described driven roller or for controlling or regulate the spacing between driven roller and supports drive roller.
The support region of described driven roller in described rocking arm can deflection end and and the end that is connected of described operating means between.
For described, by the driver of inner prior art, described rocking arm can be round the rotating shaft deflection being arranged in the rotating shaft region of described rocking arm, and described rocking arm is connected with operating means in operating area.The support region of said driven roller can be as in EP747147B1 or AT500689B1 in as described in rotating shaft region and as described between operating area.According to another kind of embodiment, described rotating shaft region can be between described support region and described operating area.The advantage of such embodiment is, during in the time compressing described driven roller, power can flow to described rocking arm better and produce for described rocking arm more favorably stress state.The effect spacing that acts on the operating means on an end of described rocking arm also can be structurally than easily expanding in the embodiment as explained in EP747147B1 or AT500689B1 in such version.By the effect spacing expanding, can obtain identical power with less operating means, or can obtain larger power with identical operating means.
Another inner prior art is a kind of method for driven roller is taken out from the driver of the prior art by inner.This method is characterised in that, the method comprises the following steps:
-open fixed mechanism;
-Chao side and/or upwards described driven roller is taken out from described driver.
Opening of described fixed mechanism refers to, by fixedly the unclamping on described support region of described driven roller.
Supports drive roller in driver is fixed in described driver by fixture, to can not change its position or can not change its position outside the degree that can accept normally in service.Described supports drive roller can be fixed at this, thereby can not carry out any motion.It also can move in that can accept or desired degree.Expectation can be accepted or meet to the mobility of which kind of degree, depends on corresponding running status.In order to change according to thickness of strip and strip quality the steering force of described driver, such as the spacing of the axle of described driven roller and supports drive roller can change in certain degree.
Be characterised in that by a kind of embodiment of the method for inner prior art, the method comprises the following steps extraly after taking out described driven roller:
-unclamp the fixture for described supports drive roller being fixed on to driver;
-upwards described supports drive roller is taken out from described driver.
By the opening producing due to the taking-up of described driven roller, also can upwards described supports drive roller be taken out from described driver.
According to another kind of embodiment, described supports drive roller can to that is to say along the direction of its longitudinal axis and pull out from described driver in side in order to take out.This can carry out before taking out described driven roller according to the present invention or afterwards.This also can carry out in the process that described driven roller is taken out from described driver; In this way can than in the time successively taking out driven roller and supports drive roller quickly by these two taking-up.Then, can in the process of taking out described driven roller, comprise the following steps extraly by the method for inner prior art:
-will unclamp for the fixture that described supports drive roller is fixed on to driver;
-take out described supports drive roller by the mode pulling out in side from described driver.
According to one preferred embodiment, driven roller and supports drive roller are taken out from described driver by the taking-up of holding device in couples, wherein in described holding device, arranged a pair of driven roller and supports drive roller.
Accompanying drawing explanation
In schematic accompanying drawing, exemplarily the prior art of described inside is described.
Fig. 1 a is by the side view of a kind of embodiment of the driver of inner prior art;
Fig. 1 b be from improve oblique view see by the driver of Fig. 1 a;
Fig. 2 be the oblique view from improving see by the driver of Fig. 1 b together with being arranged in driven roller holding device and the view of supports drive roller;
Fig. 3 is a kind of embodiment by the driver of inner prior art, and rotating shaft region 11 is between described support region 7 and described operating area 12 in this embodiment;
Fig. 4 is the supports drive roller together with taking-up by the driver of inner prior art that the oblique view from improving is seen;
Fig. 5 is a kind of for described driven roller being fixed on to the replacement scheme of the fixed mechanism on described support region; And
Fig. 6 is the another kind of embodiment by the driver of inner prior art, and described rotating shaft region 11 is between described support region 7 and described operating area 12 in this embodiment.
The specific embodiment
Fig. 1 a shows by the side view of the directional drive that is particularly useful for hot-rolled band taking-up equipment of the driver 1 for steel strip coiling equipment of inner prior art.Described driver 1 comprises the supports drive roller 3 that is bearing on framework 2 and can be with respect to the driven roller of described supports drive roller closing 4.Only illustrate by a dotted line at driven roller 4 described in Fig. 1 and described supports drive roller 3, because they are covered by other parts of described framework 2 and described driver in side view.Described driven roller 4 is bearing on Rocker arm 5 a, the 5b that a pair of and described framework is connected.In the side view of Fig. 1, can only see a Rocker arm 5 a, the second Rocker arm 5 b of described rocking arm centering is hidden by described Rocker arm 5 a in this view.Described rocking arm to 5a, 5b in operating position.Described rocking arm can be round 6 deflections of the rotating shaft of described framework 2 to 5a, 5b.Described driven roller 4 is positioned on the support region 7 of described rocking arm.Described support region 7 opens wide, for packing described driven roller 4 at described rocking arm into during in operating position or towards side or upwards by its taking-up.Described support region illustrates with the lines of undulatory sealing.Be provided with for described driven roller 4 is fixed on to the fixed mechanism on described support region 7, this fixed mechanism is configured to the lock bolt 8 that can move.In the shown position of described lock bolt 8, this lock bolt does not also move on in its final position, and in described final position, this lock bolt is fixed on described support region 7 by described driven roller 4.In order to carry out simple and clear diagram, show a part for described Rocker arm 5 in the mode of dissecing, thereby partly show the trend in described Rocker arm 5 of described lock bolt 8.If described lock bolt 8 is moved on in its same final position that can find out among figure below 1b from shown position, that is just fixed on the one hand described driven roller 4 and activates on the other hand described balance weight 20a, 20b, for seamlessly regulating the bearing of described driven roller 4.
Fig. 1 b show from improve oblique view see by the driver of Fig. 1 a 1.The parts identical with Fig. 1 a are provided with identical Reference numeral.Different from Fig. 1 a, show the situation in its final position of the lock bolt 8 of described fixed mechanism, this lock bolt 8 is fixed on described driven roller on the support region 7 of described Rocker arm 5 a, 5b in its final position.Can be than find out better driven roller 4 and supports drive roller 3 in Fig. 1 a.Compared with Fig. 1 a, can find out that described rocking arm is to the second Rocker arm 5 b in 5a, 5b.
Not only in Fig. 1 a but also in an end of Rocker arm 5 a, 5b described in Fig. 1 b, be all connected with operating means especially hydraulic cylinder 9a, 9b respectively.By the adjustment for these hydraulic cylinders 9a, 9b, can make described Rocker arm 5 a, 5b round its rotating shaft 6 deflections, such as the spacing with respect to described supports drive roller 3 for adjusting described driven roller 4.
The support region 7 of described driven roller in described Rocker arm 5 a, 5b can round the end of rotating shaft 6 deflections and and the hydraulic cylinder 9a of described operating means, end that 9b is connected between.
Fig. 2 show from improve oblique view see by another view of the driver of Fig. 1 b.The parts identical with Fig. 1 b are provided with identical Reference numeral.Different from Fig. 1 b, the situation of the lock bolt 8 that shows described fixed mechanism at this in its starting position, this lock bolt is fixed on described driven roller 4 on described support region 7 in its starting position.Driven roller 4 and supports drive roller 3 are not arranged in described driver 1.They are arranged in holding device and especially keep in framework 10.By described maintenance framework 10 being encased in the framework 2 of described driver 1 or being taken out this mode and install or take out described driven roller 4 and supports drive roller 3.
Fig. 3 is to show by the view of the driver of inner prior art with the similar side view of Fig. 1 a.The parts identical with Fig. 1 a are provided with identical Reference numeral.For brevity, driven roller 4 and supports drive roller 3 are not shown.Described rotating shaft 6 is arranged in the rotating shaft region 11 of described Rocker arm 5 a.Described hydraulic cylinder 9a is arranged in the operating area 12 of described Rocker arm 5 a.Different from Fig. 1 a, described rotating shaft region 11 is between described support region 7 and described operating area 12.
Fig. 4 show that oblique view from improving sees by the driver of inner prior art with the similar view of Fig. 1 b.The parts identical with Fig. 1 b are provided with identical Reference numeral.In described driver 1, do not pack driven roller into and driven roller is not correspondingly shown.Do not pack equally described supports drive roller 3 at this.Fig. 4 shows the situation in the state of described supports drive roller 3 in taking out.Described supports drive roller 3 in side the direction along its longitudinal axis can from described driver 1, take out or can import in described driver.Fig. 4 shows taking-up bracket, on described taking-up bracket, described supports drive roller 3 is derived from described driver 1 or is imported in described driver 1.
Describedly needn't necessarily be configured to the lock bolt 8 that can move for fixed mechanism driven roller 4 being fixed on described support region 7.
Fig. 5 shows a kind of fixed mechanism as an alternative, and this fixed mechanism has the turning devices that are provided with two support arms 14,16 in the middle of can being turned to each other, and described support arm 14,16 carrys out locking by the wedge system 18 that can move.Every support arm 14,16 overturns round another root axle at this, and support arm 14 overturns round axle 15, and support arm 16 overturns round axle 17.Described two support arms 14,16 are connected with described Rocker arm 5 a by described axle 15,17.The described wedge system that can move 18 is fixed on described support arm 16; This wedge system 18 can move by hydraulic cylinder 19.Support arm 14 has projection, and described projection is inserted in the recess on the described wedge system 18 that can move.In the time closing described fixed mechanism, described support arm 14,16 is turned in shown position, and described hydraulic cylinder 19 wedge system 18 that can move described in so mobile, make described recess slide into described projection above.Above described two support arms 14,16 are latched in each other thus.
Fig. 6 is to show by the view of the driver of inner prior art with Fig. 1 a and the similar side view of Fig. 3.The parts identical with Fig. 1 a are provided with identical Reference numeral.Described rotating shaft 6 is arranged in the rotating shaft region 11 of described Rocker arm 5 a.Described hydraulic cylinder 9a is arranged in the operating area 12 of described Rocker arm 5 a.As in Fig. 3, different from Fig. 1 a, described rotating shaft region 11 is between described support region 7 and described operating area 12.The difference of Fig. 3 and Fig. 6 is the shape of described Rocker arm 5 a and how described driven roller is placed in to the mode on the support region of described rocking arm.
Using as when driver from disclosed EP747147B1 or AT500689B1, by means of workshop crane, driven roller or the supports drive roller of passing through preparation in workshop are individually pulled down and be replaced by driven roller and supports drive roller from described driver.Changing operation generally continues between 5 and 10 hours and therefore only in the shut-down process of planning at described milling equipment, implements at this.Utilize the illustrated driver of pressing inner prior art above, can in 10 to 15 minutes, implement to change operation.Therefore, change operation also can implement in the running of described milling equipment in very short rolling suspends or in changing working roll.Correspondingly; the surface of described driven roller and supports drive roller needn't-as the same in the time using as driver from disclosed EP747147B1 or AT500689B1-as described in being enclosed in, carry out polishing in driver time, and can be in the situation that described milling equipment not be shut down polishing and obtain perfect surface quality in the outside of described driver thus.
In the use when the illustrated driver by inner prior art of face, in use, for the milling equipment designing as the use of the driver from disclosed EP747147B1 or AT500689B1, the availability of the workshop crane of described milling equipment is depended in the replacing of described driven roller or supports drive roller.In addition, in main spatially a good distance away so-called roll shop building (Rollshop), deposit and prepare spare roll, thereby will overcome the long distance of transporting.Being difficult to thus react at the Production requirement to conversion or to the requirement to described driven roller and supports drive roller of conversion neatly, change driven roller and supports drive roller.
Task of the present invention is, generator and method, described apparatus and method especially in the use when the illustrated driver by inner prior art of face can than prior art change more neatly and more successfully described driven roller and supports drive roller and can be just described driver directly near described driven roller and supports drive roller are processed.
This task is resolved by a kind of hot-rolling mill equipment, and this hot-rolling mill equipment to comprise along the longitudinal axis of described hot-rolling mill equipment with being disposed in order:
-multiple hot rollings station;
-at least one driver station;
-at least one coiling machine station;
Described hot-rolling mill equipment is characterised in that,
Except driver station and/or coiling machine station, preferably see from described hot rolling station towards the direction at coiling machine station in the distally at described coiling machine station and be provided with at least one driven roller accumulator plant and at least one driven roller preraratory station at the extended line of the longitudinal axis of described hot-rolling mill equipment
And being provided with at least one at least can be at described driver station and described driven roller preraratory station and described driven roller accumulator plant mobile executor also and between described hot rolling station if desired.
Driven roller accumulator plant, driven roller preraratory station and executor are the more parts of exchange device of driven roller.
If be provided with multiple coiling machines station, these parts preferred arrangements are in the distally along last coiling machine station of band traffic direction so.
If be provided with multiple drivers station and/or multiple driven roller accumulator plant and/or multiple driven roller preraratory station, so described executor just can move between all these driver stations and driven roller preraratory station and driven roller accumulator plant.
Except driver station and/or coiling machine station, be provided with driven roller accumulator plant and driven roller preraratory station, this means, they with 40 meters at the most, preferably 30 meters at the most, particularly preferably at the most 20 meters, near the distance of 10 meters is arranged in directly the most at the most.This shortened transport distance and saved thus the time.
The longitudinal axis of said hot-rolling mill equipment refers to strip-rolling direction-also referred to as band traffic direction, that is to say along the direction from hot rolling station to coiling machine station.
This concept of hot rolling station refers to the parts of described hot-rolling mill equipment, is rolled, for the manufacture of hot-rolled band in these parts.
This concept of driver station refers to a part for described hot-rolling mill equipment, and middle driver drives described hot-rolled band in this section.If be provided with multiple drivers, so described hot-rolling mill equipment just comprises multiple drivers station as shown in Figure 8.
A part of rolling thermo-mechanical equipment described in this concept of coiling machine station refers to, reels hot-rolled band on coiling machine in this section.If be provided with many coiling machines, so described hot-rolling mill equipment just comprises multiple coiling machines station as shown in Figure 8.
Driver stands in the part that this is not coiling machine station.
Driven roller refers to and is enclosed in the described roller for the driver station that drives, namely driven roller and supports drive roller at this.
This concept of executor refers to a kind of device, by means of this device can on the part of described hot-rolling mill equipment, handle-such as driven roller being taken out from driver station, driven roller preraratory station, driven roller accumulator plant and/or driven roller being encased in driver station, driven roller preraratory station, driven roller accumulator plant, such as crane or robot.
In described driven roller preraratory station such as driven roller is carried out to grinding and/or polishing, or assembling or disassemble driven roller.Next can will so be encased in described driven roller accumulator plant through the driven roller of preparing.In described driven roller accumulator plant, may yet be provided with from the untapped also driven roller through preparing never.
By the setting of pressing layout of the present invention and executor of driven roller accumulator plant and driven roller preraratory station, can in the time changing driven roller, shorten the dependence of transporting distance and avoiding the availability to workshop crane.In order to obtain maximum interests about transporting distance, by described driven roller more the parts of exchange device arrange and to obtain as far as possible near described driver station.In order to obtain maximum interests about transporting distance, described driven roller accumulator plant and described driven roller preraratory station are arranged as far as possible near each other.It is therefore preferable that driven roller accumulator plant, driven roller preraratory station and executor are all arranged in the rolling plant of hot-rolling mill equipment.
Advantageous effect of the present invention.
According to one of the present invention preferred embodiment, described executor is the crane moving on the crane runway at least also extending above hot rolling station if desired on above driver station, coiling machine station, driven roller preparation machine and driven roller replacing station and/or side.
Preferably be provided with an executor.Limit thus structural expense.But also can be provided with many such as Liang Tai, three, four or more executors.
According to one of the present invention preferred embodiment, on described executor, settled one for carrying out the device of surface inspection and/or one device for driven roller and/or supports drive roller are carried out to polishing.In the time that this can be in being arranged on driver station by described driven roller or check and polishing after it is taken out from described driver station.
According to another preferred embodiment of the present invention, as supplementing of described executor, be provided with one can movement between described driver station and described driven roller preraratory station and described driven roller accumulator plant for described driven roller and/or supports drive roller being carried out to the device of surface inspection and/or the device for described driven roller and/or supports drive roller are carried out to polishing.In the time that this can be in being arranged on described driver station by described driven roller or check and polishing after it is taken out from described driver station.
In these two kinds of embodiments, can come easily for described driven roller and/or supports drive roller being carried out to the device of surface inspection and/or being transported to driven roller place for the device that described driven roller and/or supports drive roller is carried out to polishing with the robot that can move.
Another theme of the present invention is a kind ofly to the method is characterized in that for the method preferably automatically change driven roller and/or supports drive roller by hot-rolling mill equipment of the present invention, and the method comprises the following steps:
A) the first driver station by including driven roller to be replaced and/or supports drive roller has driven roller to be replaced and/or supports drive roller by opening the fixed mechanism of being fixed with of described the first driver station driven roller to be replaced and/or supports drive roller described in discharging;
B) will there be driven roller to be replaced and/or supports drive roller to take out from described the first driver station by means of the first executor towards side and/or upwards;
C) the first executor of the driven roller that is keeping taking out and/or supports drive roller is moved on to the first driven roller accumulator plant and/or the first driven roller preraratory station from described the first driver station;
D) driven roller taking out from described the first driver station and/or the supports drive roller that are kept by described the first executor are placed in described the first driven roller accumulator plant and/or described the first driven roller preraratory station;
E) by means of described the first executor and/or the second executor, the driven roller and/or the supports drive roller that need to be encased in described the first driver station are taken out from described the first driven roller accumulator plant and/or described the first driven roller preraratory station or from the second driven roller accumulator plant and/or the second driven roller preraratory station;
F) the first and/or second executor that is keeping described driven roller and/or supports drive roller after step a) is moved on to described the first driver station place;
G) by means of the described first and/or second executor, the driven roller on described the first driver station and/or supports drive roller after step f) are encased in described the first driver station.
These steps can be with being undertaken by alphabetical order of its title, or carry out with other order.Before can take out driven roller being moved on to driven roller accumulator plant and/or driven roller preraratory station by described executor and be placed on there after driven roller be taken out from driver by means of executor, will be encased in described driver by the driven roller that this executor kept.Correspondingly, in these driven rollers are encased in to described driver before, carry out and the driven roller that needs to be encased in described driver taken out to the relevant step in this aspect from driven roller accumulator plant and/or driven roller preraratory station.
For the method, attempt so selecting in principle the order of described method step, be reduced to bottom line thereby will transport distance.
Press in a kind of embodiment of method of the present invention described, by means of the described first and/or second executor, the driven roller of preparing in the described first and/or second driven roller preraratory station and/or supports drive roller are taken out from the described first or second driven roller preraratory station
Then the first and/or second executor of the driven roller that is keeping taking out and/or supports drive roller is moved on to the described first and/or second place of driven roller accumulator plant,
And then
By means of the described first and/or second executor, taken out driven roller and/or supports drive roller are encased in described the first driven roller accumulator plant and/or described the second driven roller accumulator plant.
That is to say, the driven roller through preparing and/or supports drive roller are stored in before in it is encased in to driver again in described driven roller accumulator plant after preparing.
Can certainly by the driven roller through preparing and/or supports drive roller after preparing directly-that is to say be not placed in advance in described driven roller accumulator plant in the situation that-be encased in driver.This point illustrates in illustrated method to order g) in the above with step e).
Described method is preferably automatically carried out.Mean at this " automatically ", by operator after the console of described hot-rolling mill equipment triggers described method described method not with described operating personnel between further interactional situation move.Operator can be people or computer system at this.
Described trigger process is such as causing in the following manner, such as occurring one of following situation:
-such as finding overload or the damaged surfaces on described driven roller by the sniffer for detection of blemish that described surface is scanned;
Breaking of-driven roller;
The fracture of-bearing or material;
-such as the replacing of the product due to desired expects to use other driven roller type, such as the requirement to strip surface changes; For example rolling checker plate.
Describedly also can semi-automatically carry out by method of the present invention; This means, compared with the method for automatically carrying out, control by people's operator as at least another step of supplementing of the triggering of described method; Such as operating the crane controller hanging down from crane, moving through of crane undertaken by people's operator.
Utilize the present invention can realize this point, can be in the non-stop situation of described roll mill equipment best the driven roller of coordinating mutually with product be encased in described driver quickly in order to obtain the best quality result of product.Also can control best thus that the wearing and tearing of described driven roller-such as can adopt the special driven roller arranging for this purposes in the time manufacturing checker plate, protection is for the driven roller of other purposes simultaneously.
The executor existing by the present invention also can be used as other purposes extraly, such as the assembly in the sphere of action that is arranged on this executor for maintaining or change described milling equipment is such as the wearing plate of inlet guide leading-in device, the surface inspection of described table roller, wearing plate.
Fig. 1 a shows by the side view of a kind of embodiment of the driver of inner prior art.
Fig. 1 b show from improve oblique view see by the driver of Fig. 1 a.
Fig. 2 show that oblique view from improving sees by the driver of Fig. 1 b together with being arranged in driven roller holding device and the view of supports drive roller.
Fig. 3 shows a kind of embodiment by the driver of inner prior art, and rotating shaft region 11 is between described support region 7 and described operating area 12 in this embodiment.
Fig. 4 shows the supports drive roller together with taking-up by the driver of inner prior art that the oblique view from improving is seen.
Fig. 5 shows a kind of for described driven roller being fixed on to the replacement scheme of the fixed mechanism on described support region.
Fig. 6 shows the another kind of embodiment by the driver of inner prior art, and described rotating shaft region 11 is between described support region 7 and described operating area 12 in this embodiment.
Fig. 7 to be to illustrate with the similar diagram of Fig. 2, and the executor that is configured to crane according to the present invention is arranged in the top of driver.
Fig. 8 show hot rolling station, driver station and coiling machine station in the deployment scenarios by hot-rolling mill equipment of the present invention.
The executor that is configured to crane 21 in Fig. 7 be arranged in driver 1 above.Described crane 21 is changed on crane runway 22a, the 22b stretching on station and is moved at driver station, coiling machine station, driven roller preparation machine and driven roller, can be to move between driven roller preraratory station and driven roller accumulator plant at the driver station and the unshowned work station that comprise described driver 1.
Fig. 8 illustrates, the longitudinal axis 25 along described hot-rolling mill equipment in the milling train taking-up equipment by hot-rolling mill equipment of the present invention has been arranged multiple drivers station 23a, 23b, 23c and multiple coiling machines station 24a, 24b, 24c along strip-rolling direction.Show equally inlet guide leading-in device 26a, 26b, the 26c for described driver station 23a, 23b, 23c at this.For simplicity's sake, the hot rolling station of described hot-rolling mill equipment is not shown, they are arranged in the left side of described inlet guide leading-in device 26a.
In the described distally of seeing last coiling machine station 24c along strip-rolling direction, on the extended line of the longitudinal axis 25 of described hot-rolling mill equipment, be provided with driven roller accumulator plant 27 and driven roller preraratory station 28.Be provided with equally can be between driver station 23a, 23b, 23c and described driven roller preraratory station 28 and described driven roller accumulator plant 27 mobile-delineate out by double-head arrow-executor 29, this executor is configured to crane.Described crane can be at crane runway 30a, above 30b, move, and at this, described crane runway is not shown equally.Because described executor 29 also can move between unshowned hot rolling station and driven roller preraratory station 28 and driven roller accumulator plant 27, extend beyond along being in reverse to band traffic direction and see last driver station 23a so crane runway is in reverse to described strip-rolling direction.
As supplementing this, be provided with for driven roller and/or supports drive roller being carried out to the device 32a of surface inspection and the device 32b for driven roller and/or supports drive roller are carried out to polishing, these two devices can move between described driver station 23a, 23b, 23c and described driven roller preraratory station 28 and described driven roller accumulator plant 27.
reference numerals list:
1 driver
2 frameworks
3 supports drive roller
4 driven rollers
5a, 5b rocking arm
6 rotating shafts
7 support regions
8 lock bolts
9a, 9b hydraulic cylinder
10 keep framework
11 rotating shaft regions
12 operating areas
13 take out bracket
14 support arms
15 axles
16 support arms
17 axles
18 wedge systems that can move
19 hydraulic cylinders
20a, 20b balance weight
21 cranes
22a, 22b crane runway
23a, 23b, 23c driver station
24a, 24b, 24c coiling machine station
25 (hot-rolling mill equipment) longitudinal axis
26a, 26b, 26c inlet guide leading-in device
27 driven roller accumulator plants
28 driven roller preraratory stations
29 executors
30a, 30b crane runway
31a is for carrying out the device of surface inspection
The device of 31b for driven roller and/or supports drive roller are carried out to polishing
32a is for carrying out the device of surface inspection
The device of 32b for driven roller and/or supports drive roller are carried out to polishing.
Claims (6)
1. hot-rolling mill equipment comprises along the longitudinal axis of this hot-rolling mill equipment with being disposed in order
-multiple hot rollings station;
-at least one driver station,
-at least one coiling machine station,
It is characterized in that,
Except driver station and/or coiling machine station, preferably see from described hot rolling station towards the direction at coiling machine station in the distally at described coiling machine station and be provided with at least one driven roller accumulator plant and at least one driven roller preraratory station at the extended line of the longitudinal axis of described hot-rolling mill equipment, and be provided with at least one at least can be between described driver station and described driven roller preraratory station and described driven roller accumulator plant if desired also and the executor of movement between described hot rolling station.
2. by hot-rolling mill equipment claimed in claim 1, it is characterized in that, described executor is the crane moving on the crane runway that driver station, coiling machine station, driven roller preparation machine and driven roller are changed on station and/or also extend if desired above described hot rolling station on side at least.
3. by the hot-rolling mill equipment described in claim 1 or 2, it is characterized in that, on described executor, settled for driven roller and/or supports drive roller are carried out to the device of surface inspection and/or the device that carries out polishing.
4. by the hot-rolling mill equipment described in any one in claim 1 to 3, it is characterized in that, as supplementing of described executor, be provided with can movement between described driver station and described driven roller preraratory station and described driven roller accumulator plant for driven roller and/or supports drive roller being carried out to the device of surface inspection and/or the device for driven roller and/or supports drive roller are carried out to polishing.
5. for preferably automatically change the method for driven roller and/or supports drive roller in the hot-rolling mill equipment by described in claim 1 to 4 any one, it is characterized in that, the method comprises the following steps:
A) the first driver station by including driven roller to be replaced and/or supports drive roller has driven roller to be replaced and/or supports drive roller by opening the fixed mechanism of being fixed with of described the first driver station driven roller to be replaced and/or supports drive roller described in discharging;
B) there are to be replaced driven roller and/or supports drive roller from described first driver station to take out towards side and/or upwards by described by means of the first executor;
C) the first executor of the driven roller that is keeping taking out and/or supports drive roller is moved on to the first driven roller accumulator plant and/or the first driven roller preraratory station from described the first driver station;
D) driven roller taking out from described the first driver station and/or the supports drive roller that are kept by described the first executor are placed in described the first driven roller accumulator plant and/or described the first driven roller preraratory station;
E) by means of described the first executor and/or the second executor, the driven roller and/or the supports drive roller that need to be encased in described the first driver station are taken out from described the first driven roller accumulator plant and/or described the first driven roller preraratory station or from the second driven roller accumulator plant and/or the second driven roller preraratory station;
F) the first and/or second executor that is keeping described driven roller and/or supports drive roller after step e) is moved on to described the first driver station place;
G) by means of the described first and/or second executor, the driven roller on described the first driver station and/or supports drive roller after step f) are encased in described the first driver station.
6. by method claimed in claim 5, it is characterized in that, by means of the described first and/or second executor, the driven roller of preparing in the described first and/or second driven roller preraratory station and/or supports drive roller are taken out from the described first or second driven roller preraratory station
Then the first and/or second executor of the driven roller that is keeping taking out and/or supports drive roller is moved on to the described first and/or second place of driven roller accumulator plant,
And then
By means of the described first and/or second executor, taken out driven roller and/or supports drive roller are encased in described the first driven roller accumulator plant and/or described the second driven roller accumulator plant.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA916/2011A AT511341B1 (en) | 2011-06-22 | 2011-06-22 | DRILL ROLL CHANGING SYSTEM FOR DRIVER OF A ROLLING MACHINE |
| ATA916/2011 | 2011-06-22 | ||
| PCT/EP2012/059692 WO2012175277A1 (en) | 2011-06-22 | 2012-05-24 | Drive roller changing system for drivers of a rolling mill system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103781563A true CN103781563A (en) | 2014-05-07 |
| CN103781563B CN103781563B (en) | 2016-07-13 |
Family
ID=46168454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280030731.XA Expired - Fee Related CN103781563B (en) | 2011-06-22 | 2012-05-24 | Driving roller more exchange device for the driver of milling equipment |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US20140137620A1 (en) |
| EP (1) | EP2723512B1 (en) |
| JP (1) | JP5823612B2 (en) |
| KR (1) | KR101906388B1 (en) |
| CN (1) | CN103781563B (en) |
| AT (1) | AT511341B1 (en) |
| AU (1) | AU2012272114B2 (en) |
| BR (1) | BR112013032639A2 (en) |
| CA (1) | CA2840114C (en) |
| MX (1) | MX336353B (en) |
| RU (1) | RU2602918C2 (en) |
| SA (1) | SA112330622B1 (en) |
| TW (1) | TW201318721A (en) |
| WO (1) | WO2012175277A1 (en) |
| ZA (1) | ZA201308987B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215055B (en) * | 2014-06-09 | 2017-04-05 | 鞍钢股份有限公司 | It is a kind of to have the method with continuous annealing unit cleaning section slewing rollers are changed |
| CN111438202B (en) * | 2020-03-27 | 2024-05-17 | 中冶赛迪工程技术股份有限公司 | Combined type cogging mill pushing bed |
| CN111922097A (en) * | 2020-08-18 | 2020-11-13 | 马鞍山市方圆材料工程有限公司 | Lateral guide clamping and conveying device convenient to disassemble and assemble |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771626A (en) * | 1986-03-14 | 1988-09-20 | Nippon Steel Corporation | Apparatus for roll-changing |
| JPH0824916A (en) * | 1994-07-15 | 1996-01-30 | Nisshin Steel Co Ltd | Layout of roll shop |
| CN101336143A (en) * | 2005-11-25 | 2008-12-31 | 西门子Vai金属科技有限公司 | Method of managing cylinders in a rolling facility and installation for implementing same |
| CN101733284A (en) * | 2008-11-04 | 2010-06-16 | 上海重型机器厂有限公司 | Working roll replacing device and working roll replacing method for heavy and medium plate mill |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2305785A1 (en) * | 1973-02-07 | 1974-08-08 | Krupp Gmbh | Rolled material drive - has hydraulic loading and/or damping mechanism |
| SU1037984A1 (en) * | 1981-01-04 | 1983-08-30 | Научно-Исследовательский Институт Тяжелого Машиностроения Производственного Объединения "Уралмаш" | Working roller table of blooming mill |
| SU1289572A1 (en) * | 1985-01-04 | 1987-02-15 | Производственное Объединение "Ново-Краматорский Машиностроительный Завод" | Rolling mill first roller support |
| JPH0739004B2 (en) * | 1990-04-24 | 1995-05-01 | 新日本製鐵株式会社 | Rolling mill roll shop |
| DE4041989A1 (en) * | 1990-12-21 | 1992-07-02 | Mannesmann Ag | DEVICE FOR GRINDING THE WORK ROLLS OF A PLANETARY ROLLING MILL |
| DE4442567A1 (en) * | 1994-11-30 | 1996-06-05 | Schloemann Siemag Ag | Simplified driver unit for rolled strip |
| DE19520709A1 (en) | 1995-06-09 | 1996-12-12 | Schloemann Siemag Ag | Drivers for rolled strips |
| AT500689B1 (en) | 2004-07-05 | 2008-07-15 | Voest Alpine Ind Anlagen | STEERING DRIVER |
| RU81663U1 (en) * | 2008-10-06 | 2009-03-27 | Открытое акционерное общество "Северсталь" (ОАО "Северсталь") | ROLGANG |
-
2011
- 2011-06-22 AT ATA916/2011A patent/AT511341B1/en not_active IP Right Cessation
-
2012
- 2012-05-24 JP JP2014516249A patent/JP5823612B2/en not_active Expired - Fee Related
- 2012-05-24 RU RU2014101696/02A patent/RU2602918C2/en not_active IP Right Cessation
- 2012-05-24 AU AU2012272114A patent/AU2012272114B2/en not_active Expired - Fee Related
- 2012-05-24 BR BR112013032639A patent/BR112013032639A2/en active Search and Examination
- 2012-05-24 US US14/127,890 patent/US20140137620A1/en not_active Abandoned
- 2012-05-24 EP EP12723662.8A patent/EP2723512B1/en not_active Not-in-force
- 2012-05-24 CA CA2840114A patent/CA2840114C/en not_active Expired - Fee Related
- 2012-05-24 WO PCT/EP2012/059692 patent/WO2012175277A1/en active Application Filing
- 2012-05-24 KR KR1020147001668A patent/KR101906388B1/en active IP Right Grant
- 2012-05-24 CN CN201280030731.XA patent/CN103781563B/en not_active Expired - Fee Related
- 2012-05-24 MX MX2013015057A patent/MX336353B/en unknown
- 2012-06-19 SA SA112330622A patent/SA112330622B1/en unknown
- 2012-06-20 TW TW101122034A patent/TW201318721A/en unknown
-
2013
- 2013-11-28 ZA ZA2013/08987A patent/ZA201308987B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771626A (en) * | 1986-03-14 | 1988-09-20 | Nippon Steel Corporation | Apparatus for roll-changing |
| JPH0824916A (en) * | 1994-07-15 | 1996-01-30 | Nisshin Steel Co Ltd | Layout of roll shop |
| CN101336143A (en) * | 2005-11-25 | 2008-12-31 | 西门子Vai金属科技有限公司 | Method of managing cylinders in a rolling facility and installation for implementing same |
| CN101733284A (en) * | 2008-11-04 | 2010-06-16 | 上海重型机器厂有限公司 | Working roll replacing device and working roll replacing method for heavy and medium plate mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2840114A1 (en) | 2012-12-27 |
| RU2014101696A (en) | 2015-07-27 |
| SA112330622B1 (en) | 2015-11-01 |
| CA2840114C (en) | 2019-04-30 |
| WO2012175277A1 (en) | 2012-12-27 |
| CN103781563B (en) | 2016-07-13 |
| ZA201308987B (en) | 2014-08-27 |
| MX336353B (en) | 2016-01-06 |
| MX2013015057A (en) | 2014-07-28 |
| EP2723512B1 (en) | 2015-08-12 |
| RU2602918C2 (en) | 2016-11-20 |
| KR101906388B1 (en) | 2018-10-10 |
| AT511341B1 (en) | 2012-11-15 |
| EP2723512A1 (en) | 2014-04-30 |
| TW201318721A (en) | 2013-05-16 |
| JP5823612B2 (en) | 2015-11-25 |
| AU2012272114B2 (en) | 2016-11-17 |
| US20140137620A1 (en) | 2014-05-22 |
| JP2014522727A (en) | 2014-09-08 |
| AT511341A4 (en) | 2012-11-15 |
| KR20140038537A (en) | 2014-03-28 |
| BR112013032639A2 (en) | 2017-01-24 |
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Effective date of registration: 20151214 Address after: Linz, Austria Applicant after: PRIMETALS TECHNOLOGIES AUSTRIA GmbH Address before: Linz, Austria Applicant before: SIEMENS VAI METALS TECHNOLOGIES GmbH |
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