CN102075046A - Roller driver, roller and method - Google Patents

Roller driver, roller and method Download PDF

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Publication number
CN102075046A
CN102075046A CN2010105459580A CN201010545958A CN102075046A CN 102075046 A CN102075046 A CN 102075046A CN 2010105459580 A CN2010105459580 A CN 2010105459580A CN 201010545958 A CN201010545958 A CN 201010545958A CN 102075046 A CN102075046 A CN 102075046A
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CN
China
Prior art keywords
rotor
roller
stator
axle
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010105459580A
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Chinese (zh)
Inventor
塞波·库皮艾宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Original Assignee
Metso Paper Oy
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Filing date
Publication date
Application filed by Metso Paper Oy filed Critical Metso Paper Oy
Publication of CN102075046A publication Critical patent/CN102075046A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00Other details of machines for making continuous webs of paper
    • D21F7/02Mechanical driving arrangements
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00Complete machines for making continuous webs of paper
    • D21F9/04Complete machines for making continuous webs of paper of the cylinder type
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • D21G1/0006Driving arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16Centering rotors within the stator; Balancing rotors

Abstract

The invention discloses a roller driver (10) for a fiber sheet machine, a sheath (2) of a roller (1) is rotated through shafts (3, 23), the shafts can be rotatably supported on a device support (F) through a bearing (4) arranged in a bearing housing (5); the roller driver is provided with a rotor housing (14) and a stator with a rotor winding, wherein the rotor (12) is arranged in the rotor housing (14); the roller driver comprises a rotor (11) rotatably acting on the shaft, the rotor is surrounded by the stator winding during operation so as to generate an air gap between the rotor and the stator. The rotor is permanently magnetized for achieving the large air gap; for fixing the rotor on the shaft, the rotor is designed that the shaft can support the mass of the rotor; for fixing the stator housing out of the bearing housing, the stator housing is designed for supporting the mass of the stator and the stator housing in a manner independent from the supporting manner of the rotor. The invention further relates to a roller equipped with the roller driver and a method for mounting the roller driver on the roller.

Description

Roller driver, roller and method
Technical field
The present invention relates to a kind of roller that is used for fiber web machine, as the roller of paper machine, lap machine, cotton paper machine or Paper pulp machine; And the driver of this roller.The present invention especially but do not relate to the rotating driver (Rotationsantriebe) of member that is used to handle fiber web of roller in the fiber web machine or corresponding roller shape uniquely.
Background technology
The machine parts that rotates for the processing fiber web in the fiber web machine for example is roller and the rotating part that is used to make fabric and band rotation.
Roller all utilize usually two end about its/axis is rotatably supported on the fixing bearing (Stuhlung).The bearing that is assemblied on the axle is arranged in the bear box usually, and bear box is fixed on the bearing again.
Be well known that, use to have the drive motors of the magneto of hollow shaft as paper machine roll.This motor of hollow shaft that is equipped with is arranged between the end or bearing and roll body of roll shaft, thereby makes bearing carry the whole weight of motor.The rotor and the stator of motor support each other, and with the air gap between control stator and the rotor, stator component is maintained fixed by moment of torsion supporting member (Momentenst ü tze).
Confirm: if exist radially the impacting of shaft end or axle at run duration, then drive motors will begin the high vibration of integral body.When upgrading drive motors, can be provided with at the shaft end of existing roller extension (
Figure BSA00000347696100011
), and motor is assemblied on this extension.At this, be connected the eccentricity that always can cause between roll shaft and the extension about manufacturing tolerance, its meeting in service at roller causes vibration.Be installed in to have and radially impact and/or eccentric shaft end or the electric machine casing on the extension and the stator that is fixed on this housing can tilt and cause vibration at run duration.This vibration can directly be transferred in the production process of fiber web by roller, and this vibration can also be transferred in the production process of fiber web by other rollers by the supporting member of roller and the bearing of equipment.This vibration meeting causes damage to the production process of fiber web, and causes mechanical damage on bearing, roller and the miscellaneous part of fiber web production equipment, for example causes mechanical damage on bearing.
Patent documentation DE 29908433U1 has described a kind of roller, and its drive motors that is provided with hollow shaft is fixed on the roll shaft between roller bearing and roll body.The housing of this drive motors has the moment of torsion supporting member.
Summary of the invention
A kind of roller driver has been proposed according to a first aspect of the invention, be used for making the rotation of roller sheath by axle, axle is rotatably supported on the bearing of equipment by the bearing that is arranged in the bear box, wherein, the roller driver comprises stator case and is fixed on stator case inside, has the stator of stator winding; The roller driver also comprises the rotatable rotor that acts on the axle, rotor run duration be stator winding institute around, thereby between rotor and stator, produce air gap.In order to obtain bigger air gap, make the rotor permanent magnetization; For rotor is fixed on the axle, axle is set to carry the quality of rotor; For stator case is fixed on outside the bear box, stator case is set to, with the quality of carrying stator and stator case with the irrelevant mode of carrying rotor quality.
In some embodiments, on the axle that one or more permanent magnets is fixed on roller to be rotated, preferably directly be fixed on and make the rotor permanent magnetization on the axle.
In some embodiments, rotor comprises the axle extension of waiting to be fixed on the roll shaft, in order to make the rotor permanent magnetization, preferably directly permanent magnet is arranged on the extension.According to some execution modes, there is not a male part ground that the axle extension directly is fixed on the axle.
In some embodiments, observe from sheath, stator case is arranged on the back of bearing.
In some embodiments, stator case is fixed on the bear box.
In some embodiments, stator case is fixed on the bearing of equipment.
In some embodiments, observe from sheath, one or more permanent magnets be arranged on axle go up, in the back of bear box.
In some embodiments, observe from sheath, one or more permanent magnets are arranged on the extension, in the back of bear box.
In some embodiments, by the bearing of roller the roller driver is installed in the outside of stator case.
In some embodiments, stator case has at least one insulating sleeve that is used for rotor (Durchfuehrung).
In some embodiments, stator case has the seal that is arranged between rotor and the insulating sleeve, enters into a driver in order to the restriction foreign substance.
In some embodiments, the axle driver has liquid cooling apparatus and/or air-cooling apparatus, preferably has the compressed air cooling device.
According to a second aspect of the invention, a kind of fiber web machine roll is proposed, it has and is used for handling the roller sheath of fiber web and is fixed on this sheath and is rotatably supported in axle on the bearing that is arranged at bear box, wherein, according to any one execution mode of the present invention, roller is equipped with the roller driver.
According to a third aspect of the invention we, propose a kind of method that is used on fiber web machine roll, installing the roller driver, wherein, the roller driver is set, to make the rotation of roller sheath by axle, axle then is rotatably supported on the equipment support by the bearing that is arranged in the bear box; The roller driver comprises stator case and is arranged in the stator case, has the stator of stator winding that the roller driver also has the rotatable rotor that acts on axle; In the method, rotor is centered on by stator winding, thereby produces air gap between rotor and stator.In order to obtain bigger air gap, with the rotor permanent magnetization, and in the method rotor is fixed on the axle, thereby the quality of rotor can be carried by axle; Stator case is fixed on outside the bear box, thus the quality to carry stator and stator case with the irrelevant mode of the supporting of rotor.
The same with rotor, stator can be arranged on from the fixing distance of roller supporting member last.Stator component can be fixed on the bear box.If the bearing of roller typically is arranged in bear box still, then this fixed range of stator influences by stator component is fixed on the bear box.Stator is fixed in the stator case of motor, stator case has the protective sleeve of enough sealings when being formed in the motor operation simultaneously.The stator case of motor abbreviates housing as, can be fixed on the bear box.The bear box of stator component as roller can be fixed on the identical support part.The bear box of electric machine casing as roller can be fixed on the identical support part.
Can realize the direct driving of pair roller by means of the present invention: the rotor part of motor is fixed on the roll shaft in the back of bear box, that is to say, be fixed on the side relative from the observation of roller sheath with bear box, stator component then is fixed on the bear box of roller, or is fixed on other stationary parts with respect to the supporting member fixed-site of roller.The direct driving of roller can not realized by rotor in the motor and stator under having the situation of opposed supporting member.This motor can not have supporting member.The direct driving of roller can realize that this rotor directly is fixed on the roll shaft and/or is fixed on the axle extension of the end that will be assembled to roll shaft by rotor.Therefore the rotor of motor moves on the bearing of roll shaft.When roller is supported on bearing when rotation on the axle with it, permission will be fixed on the eccentricity rotation when being fixed on shaft end with it or being fixed on the state of an extension of rotor on the roll shaft.Rotor can be fabricated directly in that axle is gone up or the extension of axle on.
The air gap of motor be formed at and roller bearing with the stator of fixed range setting be fixed between the rotor on the axle, rotor is fixed and is bearing in the roller bearing.When the extension of roller or rotor with respect to the stator bending, and fluctuation is when taking place in bending under the different load situation of roller, motor allows air gap to change.
Motor has the bigger air gap between stator and rotor, and this allows rotor motion with respect to stator bigger eccentricity to be arranged.This structure that has than air gaps of roller driver allows rotor to have sizable radial missing, and vibration problem can not appear when motor moves, in this structure of roller driver, rotor has utilized the supporting of roll shaft, and the not supporting each other in motor of stator and rotor.Mainly be limited on the rotor by radially impacting caused vibration.Be bearing in rotor quality on the axle much smaller than the quality that is bearing in the whole motor on the axle (motor that for example has hollow shaft), wherein, rotor and stator support each other.
A kind of particularly preferred execution mode for example can be realized when more roll change driver or pair roller driver carry out subsequent installation.According to some execution modes, for example, the axle extension by means of being bonded on the axle can for example be installed at motor component on the roller by mechanical connection.For this connection, normal manufacturing tolerance is just enough, can not bring vibration problem.
Stator component and corresponding driving device housing can be dismantled under the situation of the bearing of not removing bear box or roller.That is to say when removing stator, roller is stayed in its bearing.According to some execution modes, can remove rotor part during by bear box and loading ability of bearing at the roller end face.
Compared to the mounting means and the electric machine structure of known roller driver, in roller driver according to the present invention,, can reduce the motor component between roller and motor and the quantity of link according to different execution modes.In motor component, can remove bearing, bearing seal and bearing lubrication system.The motor build-up member can be more simplifiedly, make under looser just more cheap tolerance.The dispensing scope of preferred motor comprises housing and the stator that is fixed therein, and comprises independent rotor part in the supply of material, and this rotor part comprises permanent magnet.The words that need; for example can be provided with and be applicable to that the sealing part for example can be arranged on the insulating sleeve of the axle/axle extension that is used for supporting rotor in housing for foreign particle is avoided in the inside of protecting motor, the dirt (Spritzern) that splashes and/or the seal of liquid.
The roller driver preferably directly drives, and can be used for dry cylinder, deflector roll, vacuum furnace, coating bench roller, pressure roller or calender roller.
Consider cost of investment and operating cost, utilize according to the embodiment of the present invention, can under the situation of no friction and wear parts, realize having superiority and reliable mechanical type roller driver.
Various execution mode of the present invention will or have been described aspect one or more of the present invention.For those skilled in the art will appreciate that: any one execution mode of any one aspect of the present invention, according to according to the present invention with on the one hand and in aspect other, can be separately or the use that combines with other execution modes.
Description of drawings
Referring now to accompanying drawing the present invention is done exemplarily description.
Fig. 1 shows the roller driver that is used for some preferred fiber web machines to Fig. 3.
Embodiment
In the following description, the parts for same type use identical Reference numeral.Should be noted that accompanying drawing is not to draw in proportion on the whole, mainly only is used to illustrate embodiments of the present invention.
According to preferred embodiment several, Fig. 1 has briefly showed roller 1 and the roller driver 10 that is used for the roller 1 of fiber web machine to Fig. 3.Roller 1 has sheath component 2 and is fixed on axle 3 on the sheath component 2 by for example end cap, and axle 3 is rotatably supported in the bear box 5 by bearing 4.Bear box 5 has lubrication and seal spare 6, and lubrication and seal spare 6 is arranged on the both sides of bearing 4 between axle 3 and the bear box 5, leaks by the insulating sleeve that is arranged in bear box 5 and is used for axle 3 with the lubricant (not shown) that prevents lubricating system.Bear box 5 is bearing on the bearing F of equipment still
To shown in Figure 3, roller driver 10 comprises rotor part 11 and stator component 12 as Fig. 1, when rotor part 11 is arranged on the inside of stator component 12 rotationally, forms the necessary air gap 13 of motor operate as normal between rotor part 11 and stator component 12.
According to some execution mode (for example Fig. 1 and Fig. 2), by bear box 5 is comprised bearing 4 be fixed on the axle 3, fixing on first extension 20 or install the permanent magnet 11 of rotor part ', fix first extension 20 (observing the back that is positioned at bear box 5 from the sheath parts) and stator component 12 be set on the axle 3 in bear box 5 outsides around rotor part 11, can realize the assembling of roller 1.For example, fix the installations that can realize by the stator case 14 that will belong to roller driver 10 around rotor 11 to stator component 12.Certainly also have a kind of like this possibility: if the size of bearing 4 allows it to cross rotor 11 and tighten on axle 3, then bear box 5 and bearing 4 can be crossed built-in rotor part 11 and be bonded together.Preferred embodiment a kind of according to the present invention, utilize the internal diameter of the external diameter of the rotor 11 that the permanent magnet be fixed on the rotor on axle or the axle extension measures less than the bearing 4 of roll shaft.
As shown in Figure 1, roller driver 10 comprises stator case 14, and stator case 14 is arranged on the bear box 5 regularly by first fixed position 15.Housing 14 can have flange, and this flange can for example prevent dust, be fixed on the bear box 5 waterproof sealing.Housing 4 is fixedly fixing with respect to bearing 4.Stator component 12 is fixed in the housing 14 also therefore not movable with respect to bearing 4.
As shown in Figure 1, rotor part 11 comprises first extension 20 by the atresia of the permanent magnet 11 of rotor ' center on, and axle extension 20 is nonrotatably mounted tO on the fixed position 25 that is positioned at axle 3 ends.Axle connects 25 can be realized by traditional axle interconnection technique, and for example flange connects, axis hole connects, lock the combination of connecting airtight (Klemmpassung), shrink-fit (Schrumpfverbindung), bonding, welding, screw or conventional interconnection technique.In Fig. 1, axle connects 25 can same mode as shown in Figure 2 be realized.
First extension 20 illustrates with solid parts in Fig. 1 with axle 3, but axle extension and/or axle also can have through hole.The through hole of axle for example can be used for: outwards carry heat transfer medium also therefore to be used for making can cooling off and/or heatable roller at roller 1 or from roller 1; In roller or from roller discharge pressure medium, also therefore be used for making being blow molded into forming roll (Blaswalze) and/or vacuum furnace.Permanent magnet 11 ' can be directly installed on first extension 20.
As shown in Figure 1, rotor part 11 can be provided with respect to stator component 12 rotationally by first extension 20, axle 3 and bearing 4, and stator and rotor do not support each other, and are not bearing on the housing 14 yet.In housing 14, do not need supporting to rotor part 11.
As shown in Figure 2, roller driver 10 comprises stator case 14, and stator case 14 is by second fixed position 15 ' be arranged on un-rotatably on the bearing F of equipment.Preferably housing 14 is fixed on the bear box 5 of the roller 1 same bearing F fixed thereon next door in bear box (5).Housing 14 can have support, can realize said fixing by this support.Housing 14 is provided with regularly with respect to bearing 4.Stator component 12 is fixed in the housing 14, and is immovable with respect to bearing 4.
As shown in Figure 2, rotor part 11 comprise by the permanent magnet 11 of rotor ' center on and be equipped with porose, second extension 21 of hollow just, it is nonrotatably mounted tO on the end of the axle 3 that is positioned at roller 1 by link position 25.Axle connects 25 and can adopt traditional axle interconnection technique to realize in mode recited above.Figure 2 illustrates second extension 21 and have the axle 3 in hole, but second extension 21 and/or axle 3 also can be solid, promptly are atresias.Permanent magnet 11 ' can directly be configured on second extension 21.
On link position 25 as shown in Figure 2, second extension 21 can its will with end that axle 3 is connected on have counterpart (Passteil), this counterpart preferably has external cylindrical surface or outer conical surface, be used for will be positioned at axle 3 hole 3 ' axle extension centering.Second extension 21 can have adpting flange on it will be fixed in end on the axle 3, so that for example the end of passing axle 3 by adpting flange is set up screw and connected.
As shown in Figure 2, can be porose 21 by being equipped with ' second extension 21, be equipped with porose 3 ' axle 3 and bearing 4, with respect to stator component 12 rotatably support rotor parts 11.Rotor 11 and stator 12 do not support each other, and are not bearing on the housing 14 yet.In housing 14, do not need supporting to rotor part 11.
Because electric machine casing 14 was arranged with bear box in 5 minutes, therefore to observe from the sheath component 2 of roller 1, axle 3 protrudes from the back side of bear box.The first protection seal 16 preferably is set between housing 14 and axle 3, enters motor 10 in order to prevent dirt.Owing to do not have supporting member in motor, and also do not have lubricant thus, the first protection seal 16 is made up of the hermetically-sealed construction of protecting motor from outside to inside.
According to some execution modes, the housing 14 of roller driver has opening 17, can be equipped with lid for it.Opening 17 for example can be used for axle 3, first extension 20 or second extension 21 are maintained and check.
As shown in Figure 3, roller driver 10 comprises housing 14 and the stator component 12 that is fixed in the housing, and is the same with execution mode shown in Figure 1, and stator component 12 does not turn and prevents dust, is fixed on the bear box 5 waterproof sealing by first fixed position 15.Housing 14 has the insulating sleeve of the axis 23 that is used for supporting rotor 11 on two sides.This long axis 23 extends through bear box 5 and extends, and is provided with lubricant seal 6 between axle 23 and bear box 5.Therefore, be positioned near the insulating sleeve on bear box 5 one sides of housing 14, promptly interior insulating sleeve can be used to pass the major axis 23 of stator 12, and no longer need bear box is sealed.External insulation casing pipe on the housing 14 is made of opening 17, and opening 17 is provided with the second protection seal 18, is used to prevent enter roller driver 10 as dust and the foreign substances such as dirt that splash.Owing to do not have supporting member in motor, and also do not have lubricant thus, the second protection seal 18 is made up of the hermetically-sealed construction of protecting motor from outside to inside.
As shown in Figure 3, be positioned at outside the bear box 5, be fixed on permanent magnet 11 on the major axis 23 ' the constituted rotor part 11 of the roller driver 10 that can come into operation.Permanent magnet 11 ' can be directly installed on the axis 23.
According to some execution modes, can realize the assembling of roller 1 like this: bear box 5 is comprised that bearing 4 is fixed on the axle; The parts 11 that rotor is installed outside the bear box 5, on major axis 23 '; The housing 14 that on bear box 5, fixedly comprises stator component 12.
According to some execution modes, can realize the assembling of roller 1 like this: utilize major axis 23 and the permanent magnet 11 ' formation rotor part 11 that will be fixed on the axle 23; Bear box 5 comprises that bearing 4 is fixed on the axle 23 by rotor part 11; The housing 14 that on bear box 5, fixedly comprises stator component 12.
For example when making new roller 1 or upgrading roller,, then in execution mode as shown in Figure 3, there is certain problem if realize by major axis 23 at this roller 1.For example, in existing roller 1, remove old axle and alternative, and it is implemented as rotor in manufacture process with new axle 23.Compare with utilizing axle extension 20,21 rotors of being realized, utilize be equipped with permanent magnet 11 ' long axis 23 as rotor 11 easier acquisitions littler by radially impacting the interference that causes.
As shown in Figure 3, major axis 23 have connect endoporus 23 '.This long axis 23 also can be solid (being atresia), and the inside that can end at housing 14, and at this, housing 14 can have lid on opening 17, perhaps also can not have opening 17.
As shown in Figure 3, rotor 11 and stator 12 be not supporting each other in motor, and also is not bearing on the housing 14.Do not need supporting to rotor part 11 in the inside of housing 14 yet.
As Fig. 1 in the execution mode of roller driver 10 illustrated in fig. 3, do not make and firmly transmit male part (driving male part) and reduce the eccentricity that radially impacts and/or reduce rotor motion rotor.
As Fig. 1 in the execution mode of roller driver 10 illustrated in fig. 3, can utilize the variable flux amount that produces by the winding of stator 12 through the winding of stator 12 and the permanent magnet 11 of rotor 11 ' between air gap 13 produce active forces, the roller 1 that can make rotor 11 thus and be associated with rotor 11 just quickens, rotates or slow down by roll shaft 3,23 operations.Since permanent magnet 11 ', rotor 11 can not induce the electric current that may produce the rotor field when crossing air gap 13.Therefore in commerce is implemented, when rotor 11 adopts 11 ' time of permanent magnets, the air gap between rotor and the stator is 5mm to the maximum.According to a kind of execution mode, air gap 13 preferably is about 3mm for 2mm arrives 5mm.Therefore, relevantly with normal production radially impact (utilizing this impacting to protect rotor) and can not form obstacle for the normal operation of motor with mounting technology.It is surprised for it that the air gap of this size it is to be enough to, because in the design specification of squirrel cage motor, known up to now size of gaps is about 1.5mm, and 10% the eccentricity that allows to have an appointment, and this is equivalent to permissible value is about 0.1mm.
According to certain embodiments of the present invention, the roller driver 10 that utilizes permanent magnet stator to realize allows the motion eccentric rate of the rotor 11 in stator 12 to be 60% of the air gap between rotor and the stator, promptly is about 3mm.
Above-mentioned explanation comprises different execution modes non-limiting for example.The professional it will be appreciated that the present invention is not limited to described details, but can be realized by other equal modes.
Some feature in said embodiment can also be used separately.Foregoing description only is considered as being used to understand the method for principle of the present invention, and is not considered as limitation of the present invention.Therefore, protection scope of the present invention is only limited by appended claim.

Claims (14)

1. roller driver (10) that is used for fiber web machine, in order to make sheath (2) rotation of roller (1) by axle (3,23), wherein, described axle (3,23) is rotatably supported on the bearing (F) of equipment by the bearing (4) that is arranged in the bear box (5); Described roller driver (10) has stator case (14) and is fixed in this stator case and has the stator (12) of stator winding; Described roller driver (10) comprises the rotatable rotor (11) that acts on described axle, this rotor (11) run duration by described stator winding institute around, thereby between described rotor (11) and stator (12), produce air gap (13), it is characterized in that,
In order to obtain bigger air gap (13), make described rotor (11) permanent magnetization;
For described rotor (11) being fixed on the described axle, described rotor (11) is set to, make described axle (3,23) carry the quality of described rotor (11);
For described stator case (14) is fixed on outside the described bear box (5), described stator case (14) is set to, with the quality that the irrelevant mode of the supporting of described rotor is carried described stator (12) and stator case (5).
2. roller driver as claimed in claim 1 is characterized in that, goes up, preferably directly is fixed on the described axle by the axle (23) that one or more permanent magnets (11 ') is fixed on roller to be rotated (1), realizes the permanent magnetization of described rotor (11).
3. roller driver as claimed in claim 1 or 2, it is characterized in that, described rotor (11) has the axle extension (20 on the axle (3) that will be fixed on described roller (1), 21), the permanent magnet that is used for the described rotor of permanent magnetization is fixed on this extension, preferably directly is fixed on this extension.
4. as each described roller driver in the claim 1 to 3, it is characterized in that observe from described sheath (2), described stator case (14) is arranged on the back of described bearing (4).
5. roller driver according to any one of claims 1 to 4 is characterized in that, described stator case (14) is fixed on the described bear box (5).
6. as each described roller driver in the claim 1 to 5, it is characterized in that described stator case (14) is fixed on the bearing (F) of described equipment.
7. as each described roller driver in the claim 1 to 6, it is characterized in that observe from described sheath (2), one or more permanent magnets (11 ') are arranged on the described axle (23) in the back of described bear box (5).
8. as each described roller driver in the claim 1 to 7, it is characterized in that observe from described sheath (2), one or more permanent magnets (11 ') are arranged on the described axle extension (20,21) in the back of described bear box (5).
9. as each described roller driver in the claim 1 to 8, it is characterized in that described roller driver (10) bearing (4) by described roller (1) outside described stator case (14) supports.
10. as each described roller driver in the claim 1 to 9, it is characterized in that described stator case (14) has the insulating sleeve that at least one is used for described rotor (11).
11. as each described roller driver in the claim 1 to 10, it is characterized in that, described stator case (14) has the seal (16,18) that is positioned between described rotor (11) and the described insulating sleeve, enters into described axle driver (10) in order to the restriction foreign substance.
A 12. fiber web machine roll (1), it has the sheath (2) that is used for handling fiber web and is fixed on this sheath (2) goes up and is rotatably supported in axle (3 on the bearing (4) that is arranged at bear box (5), 23), described roller has as each described roller driver (10) in the claim 1 to 10.
13. roller as claimed in claim 12 is characterized in that, described roller comprises dry cylinder, deflector roll, vacuum furnace, coating (platform) roller, pressure roller or felt wrapped roll.
14. method that is used on fiber web machine roll (1), being provided with roller driver (10), wherein, described roller driver (10) is provided for by axle (3,23) sheath (2) of described roller (1) is rotated, described axle (3,23) is rotatably supported on the equipment support (F) by the bearing (4) that is arranged in the bear box (5); Described roller driver (10) comprises stator case (14) and is arranged on stator (12) in this stator case (14) that described stator (12) has stator winding; Described roller driver (10) also has the rotor rotated for the treatment of that acts on the described axle; In the method, described rotor (11) is centered on by described stator winding, makes to produce air gap (13) between described rotor (11) and stator (12), it is characterized in that, in order to obtain bigger air gap (13), makes described rotor (11) permanent magnetization; And, in the method,
Described rotor (11) and described axle (3,23) are connected, make described axle (3,23) carry the quality of described rotor (11); And
Described stator case (14) is fixed on outside the described bear box (5), makes the carrying of the quality of described stator (12) and stator case is realized in the mode that has nothing to do with supporting to described rotor.
CN2010105459580A 2009-11-10 2010-11-10 Roller driver, roller and method Pending CN102075046A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20096164A FI122849B (en) 2009-11-10 2009-11-10 Roll operation, roll and method
FI20096164 2009-11-10

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CN102075046A true CN102075046A (en) 2011-05-25

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CN2010105459580A Pending CN102075046A (en) 2009-11-10 2010-11-10 Roller driver, roller and method

Country Status (4)

Country Link
CN (1) CN102075046A (en)
AT (1) AT508955B1 (en)
DE (1) DE102010043612A1 (en)
FI (1) FI122849B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106460324A (en) * 2014-04-28 2017-02-22 西门子公司 Device for processing materials
CN112654440A (en) * 2018-08-29 2021-04-13 Sms集团有限公司 Device for adjusting an object

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DE102014201322A1 (en) * 2014-01-24 2015-07-30 Siemens Aktiengesellschaft Variable speed electrical machine

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DE29908433U1 (en) * 1999-05-11 1999-07-29 Voith Sulzer Papiertech Patent roller
CN1428019A (en) * 2000-05-05 2003-07-02 Abb研究有限公司 Roll drive
US20050248225A1 (en) * 2002-11-08 2005-11-10 Andreas Krause Direct drive for a cylinder
CN1614857A (en) * 2004-06-03 2005-05-11 张炳全 Effective synchronous motor and use thereof
CN101371425A (en) * 2007-10-29 2009-02-18 深圳航天科技创新研究院 Square wave three-phase brushless permanent magnetic DC motor
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CN101552505A (en) * 2009-01-13 2009-10-07 陈鸿雁 Permanent outer rotor modular DC machine

Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN106460324A (en) * 2014-04-28 2017-02-22 西门子公司 Device for processing materials
CN106460324B (en) * 2014-04-28 2019-01-18 西门子公司 Equipment for handling material
CN112654440A (en) * 2018-08-29 2021-04-13 Sms集团有限公司 Device for adjusting an object

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FI20096164A (en) 2011-05-11
FI20096164A0 (en) 2009-11-10
AT508955A2 (en) 2011-05-15
FI122849B (en) 2012-07-31
AT508955A3 (en) 2013-01-15
AT508955B1 (en) 2013-10-15

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Application publication date: 20110525