[go: up one dir, main page]

WO2018036952A1 - Rotor d'une machine électrique et procédé de montage du rotor - Google Patents

Rotor d'une machine électrique et procédé de montage du rotor Download PDF

Info

Publication number
WO2018036952A1
WO2018036952A1 PCT/EP2017/071005 EP2017071005W WO2018036952A1 WO 2018036952 A1 WO2018036952 A1 WO 2018036952A1 EP 2017071005 W EP2017071005 W EP 2017071005W WO 2018036952 A1 WO2018036952 A1 WO 2018036952A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminated core
rotor
rotor shaft
discs
displacement
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.)
Ceased
Application number
PCT/EP2017/071005
Other languages
German (de)
English (en)
Inventor
Daniel Paul
Tony Stein
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.)
ThyssenKrupp AG
Thyssenkrupp Dynamic Components Teccenter AG
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Presta TecCenter AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp AG, ThyssenKrupp Presta TecCenter AG filed Critical ThyssenKrupp AG
Publication of WO2018036952A1 publication Critical patent/WO2018036952A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures

Definitions

  • the present invention relates to a rotor for an electric machine and an electric machine, in particular a synchronous motor or an asynchronous motor with a corresponding rotor. Furthermore, the invention relates to a method for mounting a rotor.
  • Rotors with plates arranged on a rotor shaft, in particular laminated cores, are known from the general state of the art. These rotors are used, for example, in asynchronous machines or permanently excited synchronous machines.
  • the laminated core is held in press fit on the shaft.
  • the laminated cores thermally
  • a pressing of the laminated core or the disk set on the rotor shaft is described for example in DE102009047485 AI.
  • an electric machine comprising a rotor and a shaft, wherein the rotor has at least one blade which is joined to the shaft and connected to the shaft.
  • the lamella in a mounting area has a central
  • Torque transmission between the laminated cores and between the laminated cores to the pressure plates takes place here but purely frictionally.
  • Torque transmission between the laminated cores and between the laminated cores to the pressure plates takes place here but purely frictionally.
  • torque transmission receptacles such as a shaft to enable.
  • Sheet metal segment and the rotor according to the invention are described, of course, also in connection with the electric machine according to the invention and in
  • Rotor according to the invention are mounted by means of the method according to the invention.
  • the laminated core according to the invention of a rotor of an electric machine has a plurality of successively lined up in the axial direction laminated core discs, each laminated core disc has a through hole for introducing a rotor shaft or a displacement means. At least one of the laminated core disks of the laminated core has at least one displacement element, which is formed in the passage opening of the corresponding laminated core disk. In addition, all laminated core discs at least each have a receiving element, which is also formed in the corresponding passage opening. The receiving element serves to receive the displacement element or a displacement element of an axially adjacent plate core disk or a displacement element of an axially adjacently arranged element.
  • axially adjacent laminated core disc is to be understood either immediately adjacent arranged laminated core disc, with which there is thus a touch contact or an indirectly adjacent laminated core disc, with which there is no contact.
  • indirectly adjacent laminated core disks are to be understood to mean metal clamping disks between which at least one further laminated core disk, advantageously two or more laminated core disks, are arranged.
  • the displacement element is advantageously designed in the form of a nose, a projection, a flag or in a comparable geometric shape.
  • the displacement element is a material projection, which extends at least in sections, starting from a surface of the passage opening inwardly into the passage opening.
  • the displacement element extends radially inwardly into the passage opening. It is conceivable that the displacement element is in the geometric shape of a tongue or a flag. Alternatively, it is conceivable that the displacement element is a material formation formed from an undercut of the material in the region of the passage opening.
  • the material shaping is a material shaping or a material cutout, which is designed in the form of a displaceable material section, in particular a material ear.
  • the displacement element is plastically deformable, particularly advantageously bendable. Thus, it is possible that due to a bending or plastic deformation of the displacement element, an intervention or introduction of the displacement element in the receiving element, for example, an adjacent arranged laminated core disc is made possible.
  • the at least one receiving element is a material recess which, starting from a surface of the passage opening, extends outwards into the material of the laminated core disc.
  • the receiving element has a geometric shape which corresponds to the geometric shape of the displacement element.
  • the receiving element is the geometric negative of the displacement element. It is conceivable that the receiving element is formed, for example, in the geometric shape of a notch, a groove or a depression. Consequently, the receiving element is easy to manufacture or in a simple and cost-effective manner in the laminated core disc material form.
  • the at least one receiving element is a material recess, which is formed adjacent to the passage opening.
  • the receiving element no contact with the passage opening.
  • the receiving element is in this case in the form of a bore or a self-contained cutout, so that between the receiving element and the passage opening sufficiently material of the laminated core disc, in particular the displacement element of the laminated core disc, for example in the form of a material formation is arranged.
  • the displacement elements are advantageously introduced into the receiving elements of the same laminated core disc. This advantageously produces a press connection, in particular a transverse compression bond between the respective displacement element of the respective Laminated core disc and the fastener.
  • the individual laminated core discs are connected to each other such that a laminated core having a plurality of axially arranged and circumferentially rotationally connected laminated core discs produced.
  • each laminated core disc of a laminated core has at least one displacement element and at least one receiving element, which are formed in the region of the passage opening of the respective laminated core disc.
  • only the first and the last laminated core disc of the laminated core, or every second, every third or every fourth etc. laminated core disc of the laminated core have a displacement element.
  • the pressure disks also each have at least one displacement element and / or one receiving element comparable to the displacement elements or receiving elements of the laminated core disks. Consequently, it is conceivable that the connection of the pressure disks to the laminated core, in particular to the end of the laminated core arranged laminated core discs comparable to the arrangement of the laminated core discs with each other - to form a laminated core - takes place.
  • a shielding disk is advantageously arranged between the respective pressure disks and the laminated core. It is conceivable that the shielding disks also have at least one displacement element and / or one receiving element comparable to the displacement elements or receiving elements of the laminated core disks. Consequently, it is conceivable that the connection of the shielding to the laminated core, in particular to the end of the laminated core arranged laminated core discs and or to the pressure plates comparable to the arrangement of the laminated core discs with each other - to form a laminated core - takes place.
  • At least the shielding disks and / or the pressure disks, furthermore the laminated disk disks, to comprise integrally formed displacement elements.
  • These molded displacement elements are in a connection the individual components no longer bent or plastically deformed, but are already in a defined final assembly position. It is possible that by skillful insertion of the displacement elements in the receiving elements a connection, advantageously a non-positive and / or positive connection is formed. This is particularly advantageous in the use of a brittle material in the manufacture of components such as thrust washers or shielding discs. Since with a brittle material there is the danger that a deformation of the displacement elements leads to damage, in particular a break off of the displacement elements.
  • the rotor according to the invention for an electric machine has according to a first aspect of the invention
  • the rotor has no rotor shaft for receiving the laminated core, in particular the laminated core segment of the type mentioned above. Rather, the rotor shaft is formed by means of the laminated core, in particular of the laminated core segment. Only shaft stumps are provided, which serve as a torque receiving means and record the torque generated by the laminated core and forward it to a consumer.
  • the stub shafts extend viewed in the axial direction only in a portion of the laminated core segment into it.
  • the stub shafts extend only until the beginning of the laminated core into the laminated core segment. This makes it possible that at least the pressure discs of the laminated core segment are rotationally connected to the stub shafts. In this case, for example, a first thrust washer is rotationally connected to a first stub shaft, while a second thrust washer is connected to a second stub shaft.
  • the laminated core is advantageously cantilevered.
  • the rotor according to the invention for an electric machine according to a second aspect of the invention comprises at least
  • a rotor shaft - At least one arranged on the rotor shaft laminated core, which has a plurality of axially aligned on the rotor shaft successively lined laminated core discs, wherein each laminated core disc has a through hole for introducing a rotor shaft or a displacement means, and wherein formed in a through hole at least one laminated core disc at least one displacement element is, being in the
  • each laminated core disc at least one receiving element is formed at least for receiving the displacement element or a displacement element of an axially adjacent arranged laminated core disc or axially adjacent element arranged, and
  • the rotor shaft is advantageously designed in the form of a solid shaft.
  • the rotor shaft is designed as a hollow shaft.
  • the rotor shaft may be formed as a built rotor shaft, wherein at least one flange is arranged on a hollow cylinder shell with integrally formed flange, in particular is pressed.
  • both flanges of the rotor shaft can be arranged on the hollow cylinder shell of the rotor shaft, so that the built rotor shaft is formed in three parts, instead of two parts. According to the invention, it is possible that the displacement element of a laminated core disc in the
  • Receiving element of the same laminated core disc engages, and it is also conceivable that the displacement element of a laminated core disc axially engages in a receiving element of the laminated core disc laminated core or an axially adjacent element, such as a thrust washer or a shielding plate engages.
  • the pressure plates are advantageously arranged rotationally fixed on the rotor shaft, in particular pressed onto the rotor shaft, so that a frictional connection results between the rotor shaft and the pressure disks. Due to the intervention of the
  • Displacement element in the corresponding receiving element takes place an additional higher torque transmission from the laminated core of the rotor on the pressure plates to the rotor shaft, in particular because it comes in addition to the frictional connection between the pressure plates and the laminated core at least a positive connection between at least individual laminated core disks of the laminated core.
  • the resulting positive connection thus allows a high torque transfer, which is advantageous speed independent.
  • a grinding of the rotor shaft is avoided in advance as a processing step. It is also possible that at least the through holes of the
  • Laminated core disks or the through holes of the pressure plates are designed such that the rotor shaft extends therethrough and serves as a displacement means.
  • the laminated core disks and the pressure disks have corresponding passage openings through which the rotor shaft extends and allows introduction of the displacement elements into the receiving elements in the laminated core. This means that when arranging the laminated core on the rotor shaft, the laminated core disks and the pressure disks have corresponding passage openings through which the rotor shaft extends and allows introduction of the displacement elements into the receiving elements in the laminated core.
  • Diameter of the rotor shaft corresponds to such that the pressure plates are pressed with appropriate interference fit to the rotor shaft. It is also conceivable that at least one of the pressure discs is connected by means of a material connection, in particular a welded connection with the rotor shaft or a stub shaft.
  • At least the laminated core disks to have a corresponding passage opening in addition to the respective passage opening or for the pressure disks to have a respective passage bore in addition to the respective through hole, wherein at least the passage openings or the
  • Through holes are configured such that the rotor shaft extends therethrough. It is therefore conceivable that the laminated core discs and / or the pressure plates each have an additional passage, wherein the displacement elements or the receiving elements advantageously in the through hole of the laminated core discs or in the through hole of the pressure plates is / are configured. As described above, it is conceivable in one embodiment that the respective displacement elements and / or the respective receiving elements are formed in the opening or bore of the laminated core disks or pressure disks, through which the rotor shaft also extends.
  • the respective displacement element and / or the respective receiving elements of the laminated core discs and / or the pressure discs are formed in openings or bores which are formed in addition to the openings or bores through which the rotor shaft extends therethrough ,
  • This requires the introduction of the displacement elements of the laminated core in the receiving elements of the Laminated core and / or the pressure plates or shielding advantageous one
  • Displacement means which is then introduced through the openings or holes at least temporarily. It is also conceivable that, for example, only the laminated core disks each have a through opening at which the laminated core disks each have a through opening at which the laminated core disks
  • Displacement elements and the corresponding receiving elements are formed and through which the rotor shaft extends through, however, while the pressure plates have a through hole through which the rotor shaft extends therethrough, and in addition have a passage bore, in which the displacement elements and / or the receiving element are formed.
  • the pressure plates have a through hole through which the rotor shaft extends therethrough, and in addition have a passage bore, in which the displacement elements and / or the receiving element are formed.
  • the respective displacement elements and / or the respective receiving elements are formed in areas of laminated core discs and / or thrust washers and / or shielding in which the magnetic field lines are at least marginal, in particular low or do not extend or train at all. This means that these are, in particular, regions that are irrelevant with respect to the magnetic field.
  • the rotor shaft extends through the passage openings of the laminated core disks and / or the passage bores of the pressure disks, it is conceivable that a fastening means for axially compressing the laminated core disks or the laminated core disks and the pressure disks is arranged at least in the through openings or the through bores.
  • the attachment means serves to press the pressure disks together in such a way that they are arranged between the pressure disks
  • the fastening means is advantageously a positive locking means, such as a screw.
  • the fastening means is arranged for example in the same or a different opening or bore, as the rotor shaft. It is therefore conceivable that the rotor shaft extends through the through holes of the laminated core disks as well as the fastener during which extends the rotor shaft through the through holes of the pressure plates and the
  • Fastening means by separately formed through holes of the pressure discs. It is also conceivable that the fastening means extends through passage openings of the laminated core disks and through passage bores in the pressure letter, while the rotor shaft extends through through holes in the laminated core disks and through holes in the pressure writing therethrough.
  • At least one of the pressure plates at least one
  • each thrust washer has a respective displacement element and a receiving element.
  • at least one of the pressure disks it is also possible for at least one of the pressure disks to have a displacement element, while another one of the pressure disks has a receiving element for receiving a displacement element, for example a laminated core disk, in particular that laminated core disk which contacts the pressure disks. Consequently, advantageously, a positive connection can also be made possible between the pressure disks and the at least one laminated core of the rotor.
  • each have a shielding disc is arranged, wherein at least one of the shielding discs has at least one displacement element or a receiving element.
  • the shielding plate advantageously serves to shield the magnetic field generated in the laminated core.
  • the shielding disks and / or the pressure disks advantageously have a balance geometry, which serves to compensate for imbalances arising during rotation of the rotor shaft about its axis of rotation. It is conceivable that one of the shielding discs has a displacement element, while the other of the shielding discs
  • Receiving element has.
  • at least one of the shielding disks has a displacement element and a receiving element, with two shielding disks particularly advantageously having a displacement element and a receiving element.
  • an electrical machine which is in particular a synchronous motor or an asynchronous motor with a rotor according to the above-mentioned type.
  • the inventive method for mounting a rotor according to the aforementioned type according to an embodiment of the invention comprises at least the following steps:
  • the laminated core is pushed onto the rotor shaft, wherein the
  • the rotor shaft itself serves advantageously as a displacement means, so that a further displacement means is not required.
  • a pressure disk and / or a shielding disk can already be mounted on the rotor shaft before applying the laminated core. It is also conceivable that this pressure washer and / or
  • Abletion is formed on the rotor shaft and is connected by a non-positive or positive connection cohesively with the rotor shaft.
  • the displacement means is for example a pin or a screw which remains in the opening.
  • the rotor shaft also extends through the passage opening of the laminated core disks, so that consequently the displacement means as well as the rotor shaft extend together through the passage openings of the laminated core disks, advantageously between the
  • the displacement means is pushed through the through holes of the laminated core disks as well as through the through holes of the pressure plates.
  • a positive connection is advantageously made possible not only between the at least individual laminated core disks of the laminated core, but also between the at least one laminated core of the rotor and the pressure disks of the rotor.
  • a passing of the displacement means through the passage holes of the pressure plates in an introduction of the rotor shaft, the through holes of the pressure plates is conceivable, even if the displacement means by the
  • Shield is placed on the rotor shaft before the at least one laminated core is pushed onto the rotor shaft. Subsequently, a second shielding is pushed onto the rotor shaft such that between the two shielding
  • the shielding disks have corresponding through holes or else Through holes, through which the rotor shaft and / or the displacement means or a fastening means extends or extend therethrough.
  • Shielding discs designed with respect to their openings or with respect to their holes comparable to the printing letters.
  • the described method yields all the advantages which have already been described for a rotor according to the first aspect of the invention or an electric machine according to the second aspect of the invention.
  • FIG. 1 is a side sectional view of a detail of an embodiment of a rotor according to the invention after the assembly step of pushing individual components of the rotor onto the rotor shaft and before the assembly step of arranging these components,
  • FIG. 3 is a side sectional view of an enlargement of the detail A of FIG. 2 during the assembly step of the axial compression, FIG.
  • FIG. 4 is a side sectional view of an enlargement of the cutout A from FIG. 2 after the axial pressing step of the assembly;
  • FIG. 5 shows a plan view of an embodiment of a first laminated core disc and a second laminated core disc angularly twisted thereto;
  • FIG. 6 is a plan view of the laminated core disks shown in FIG. 5 as a positive connection; in a lateral sectional view of a section of another embodiment of a rotor according to the invention before the assembly step of the axial compression, in a lateral sectional view, an enlargement of the section A of Figure 2, in a sectional side view, an enlargement of the section A of Figure 2 during the assembly step of axial compression, in a lateral sectional view, a detail of another embodiment of a rotor according to the invention before the assembly step of the axial compression, in a sectional side view another embodiment of a rotor according to the invention after the assembly step of the axial compression by means of a fastener, in a plan view of the section CC of the figure 11, in a plan view of an embodiment of a shielding disk, in a perspective view of the embodiment of a shielding disk shown in Figure 13, in a plan view a further embodiment of a shielding disk, in a perspective view the embodiment of a
  • FIG. 20 is a perspective view of the embodiment of a thrust washer shown in FIG. 19;
  • FIG. 21 is a side sectional view of a further embodiment of a rotor according to the invention, FIG.
  • FIG. 22 shows a side sectional view of a further embodiment of a rotor according to the invention after the assembly step of the axial compression by means of a fastening means
  • FIG. 23 is a plan view of section D-D of FIG. 22;
  • Figure 24 is a side sectional view of a detail of another embodiment of a rotor according to the invention.
  • FIG. 25 is a side sectional view of the detail F of FIG. 24
  • FIG. 1 shows, in a lateral sectional representation, a detail of an embodiment of a rotor 1 according to the invention after the assembly step of pushing individual components of the rotor 1 onto the rotor shaft 2 and before the assembly step of arranging these components one against the other.
  • the rotor 1 has a rotor shaft 2, which is designed for example as a solid shaft.
  • a first print 10.1 and a second pressure disk 10.2 are arranged on the rotor shaft 2.
  • Between the two pressure plates 10.1 and 10.2 at least one laminated core 3, in particular a plurality of laminated cores 3.1, 3.2, 3.3 and 3.4 are arranged.
  • laminated core 3 in particular a plurality of laminated cores 3.1, 3.2, 3.3 and 3.4 are arranged.
  • a plurality of laminated cores 3.1, 3.2, 3.3 and 3.4 are arranged.
  • Blechp 3 spoken, even if a plurality of laminated cores 3.1 to 3.4 are arranged axially adjacent to each other on the rotor shaft 2 or can be.
  • Sheet metal stack 3 has a plurality of not shown here defined laminated core disks 4. Between the respective print 10.1 or 10.2 and the laminated core 3, a shielding disk 20, in particular a first shielding disk 20.1 and a second shielding disk 20.2 is respectively arranged.
  • the pressure disks 10.1 and 10.2 shown in FIG. 1 are advantageous
  • Displacement elements 5 is formed, wherein particularly advantageous each laminated core disk 4 of the laminated core 3 has a displacement element 5.
  • the displacement elements 5 extend substantially inwardly from the surface of the passage opening 6 into the passage opening 6.
  • the displacement elements 5 each in the form of
  • the shielding disks 20.1 and 20.2 shown in FIG. 1 advantageously each have one
  • Balancing geometry 40 which extends on the outer circumference of the shielding disks 20.1 and 20.2 in the radial direction outward as material shaping, in particular as a collar away.
  • the shielding disks 20.1 and 20.2 each have a through-bore 21, within which at least one displacement element 22, starting from the outer surface of the through-bore 21, extends inwardly, advantageously radially inward away.
  • the displacement element 22 of the shielding disks 20.1 or 20.2 is advantageously designed in the form of a tongue, in particular a flag. It is conceivable that the displacement element 22 of the respective shielding disk 20.1 or 20.2 is designed to be aligned with at least one of the end faces of the shielding disks 20.1 or 20.2 in the axial direction.
  • the pressure disks 10.1 and 10.2 which are advantageously designed as spring pressure disks, in particular as a kind of plate spring, tension the shielding disks 20.1 and 20.2 and the laminated core 3 by means of a frictional connection.
  • the pressure disks 10.1 and 10.2 also each have a through hole 11, within which at least one displacement element 12, starting from a surface of the
  • Through hole 11 has a displacement element 12.
  • the second print 10.2 has no displacement element, so that the Through hole 11 only acts as a receiving element 13.
  • the through holes 11 and 21 are made only partially piercing, so that a substantially in the radial direction in sections, a thin residual cross section remains, which acts as a displacement element 12 or 22 in the geometric shape of a tongue.
  • FIG. 3 is a side sectional view of an enlargement of the section A shown in Figure 2 during the assembly step of the axial compression or generating the positive connection.
  • the pressure disks 10.1 and 10.2 are merely applied to the shielding disks 20.1 and 20.2, with subsequent pressing or pressing of the pressure disks 10.1, 10.2 and consequently an axial compression or compression of the laminated core 3 taking place.
  • a displacement means 30 at least in the respective through holes 6 of the individual laminated core disks 4 of the laminated core 3 and particularly advantageous through the through holes 21 of the shielding 20.1 and 20.2 and through the through holes 11 of the printing 10.1 and 10.2.
  • the displacement elements 5 of the laminated core discs 4 of the laminated core 3 and the at least one displacement element 12 of the first print 10.1 and the displacement elements 22 of the two shields 20.1 and 20.2 are bent.
  • the bending of the respective displacement elements 5, 12 and 22 takes place in such a way that they engage in corresponding receiving elements of the respectively axially adjacent component.
  • Blechsometimeseidentn 4 advantageous in not shown here receiving elements 7 a in the axial direction, in particular in the direction of insertion 31 adjacent arranged laminated core 4 a.
  • the last viewed in the insertion direction 31 laminated core 4 advantageously has a displacement element 5, which engages in a receiving element 23 of a second shield 20.2.
  • the displacement element 22 of the second shielding disk 20.2 advantageously engages in a receiving element 13 of a second pressure disk 10.2.
  • Print 10.1 engages a receiving element 23 of a first shielding disk 20.1, while the displacement element 22 of the first shielding disk 20.1 engages in a receiving element 7 a laminated core disk 4, in particular the first laminated core disk 4 of the laminated core 3 considered in the insertion direction 31.
  • the laminated core discs 4 are connected to each other by means of positive locking, wherein particularly advantageous this positive engagement is continued into the shielding discs 20.1 and 20.2 and in the pressure discs 10.1 and 10.2 or extends.
  • the respective displacement element 5, 12, 22 are designed geometrically wider than the receiving elements 7, 13, 23, which serve to receive the displacement elements 5, 12, 22, so that the positive connection between the individual components of the rotor 1 can be generated without play.
  • Displacement elements 5, 12, 23 are introduced into the corresponding receiving elements 7, 13, 23 and consequently bent accordingly, the displacement means 30 is again from the through hole 6 of the laminated core 3 and from the
  • FIG. 4 shows a lateral sectional illustration of an enlargement of the detail A from FIG. 2 after the assembly step of the axial compression, in particular of the generation of a positive connection.
  • FIG. 5 shows a plan view of an embodiment of a first laminated core disc 4.1 and a second laminated core disc 4.2 angularly offset relative to this first laminated core disc 4.1.
  • Both laminated core disks 4.1 and 4.2 each have a plurality of displacement elements 5 and a plurality of receiving elements 7.
  • the displacement elements 5 are advantageously designed in the form of a material tongue, while the receiving elements 7 are advantageously formed in the form of a recess, in particular a material recess.
  • the displacement elements 5 have a circumferentially extending geometric width, which is advantageously greater than that extending in the circumferential direction geometric width of the receiving elements 7.
  • Blechsometimeseident 4.1 and 4.2 formed geometrically identical and are rotated in their arrangement on the rotor shaft 2, as shown in Figure 1, at an angle to each other.
  • this angular offset is about 36 °.
  • the angular offset is dependent on the design and arrangement of the displacement elements 5 and receiving elements 7. This achieves advantageous that the displacement elements 5 and the
  • Blechvarying Blocking 4.2 are each arranged one above the other such that, for example, the displacement elements 5 of the first laminated core disc 4.1 after their deformation, in particular after their bending can positively engage in the receiving elements 7 of the second laminated core disc 4.2. This is shown by way of example in FIG. 6, in which, in a plan view, the laminated core disks 4.1 or 4.2 shown in FIG. 5 are shown as positive locking.
  • FIGS. 7 to 9 A further embodiment of a rotor 1 according to the invention is shown in FIGS. 7 to 9, wherein the embodiment of the rotor 1 according to the invention differs from the embodiment of a rotor 1 according to the invention shown in FIGS. 1 to 4 only in that one of the pressure disks 10, in particular the first print 10.1 as a stiff print, in particular executed as very stiff
  • Print 10.1 is configured, while the second print 10.2 is still designed as a spring pressure washer.
  • the laminated core 3 is pressed by means of acting as a spring pressure write, in particular by means of the second pressure disk 10.2, which is the first print 10.1 opposite.
  • the second print 10.2 advantageously has a balance geometry 40, which is designed in the form of a collar extending outward in the axial direction.
  • the rigid pressure write 10. 1 has a through hole 11 with at least one formed on the surface of the through hole 11
  • Displacement element 12 on. Through a passage bore 14 of the thrust washer 10.1, the rotor shaft 2 extends. As previously described in relation to the embodiment of a rotor 1 according to the invention according to the figures 1 to 4, is
  • Pressure plates 10.1 and 10.2 used a displacement means 30, as shown in Figure 9.
  • the displacing means 30, which is in the form of a pin, becomes first through the through hole 11 of the first print 10.1, then through the through hole 21 of the first shield 20.1 and further into the
  • the rotor 1 according to the invention differs from the embodiments of a rotor 1 according to the invention shown for example in FIG. 1 and in FIG. 7 only in that the two pressure disks 10. 1 and 10. 2 each have a balance geometry 40.
  • the balancing geometries 40 advantageously extend in each case in the axial direction in the form of a collar away from the end faces of the respective thrust washer 10.1 or 10.2. Accordingly, it is advantageously conceivable that the shielding disks, in particular the first shielding disk 20.1 and the second shielding disk 20.2, have no balancing geometries.
  • FIG. 11 shows, in a lateral sectional illustration, a further embodiment of a rotor 1 according to the invention after the assembly steps of the axial compression by means of a fastening means 50.
  • the attachment means 50 is for example a
  • Positive locking means in particular a screw which extends through corresponding openings or holes of the laminated core 3, in particular the laminated core discs 4, and at least the pressure plates 10.1 and 10.2.
  • the embodiment of the rotor 1 according to the invention has a rotor shaft 2 and a rotor shaft 2
  • Sheet metal stack 3 in particular a plurality of axially adjacent to the rotor shaft 2 adjacent to each other laminated cores 3.1 to 3.6, wherein for simplicity, the plurality of laminated cores 3.1 to 3.6 are summarized as a laminated core 3.
  • the laminated core 3 has a plurality of laminated core disks 4 and is between two pressure disks 10.1 and 10.2 pressed axially.
  • the laminated core 3 has a passage opening 6 and a passage opening 8.
  • the rotor shaft 2 extends through the passage opening 8, while the fastening means 50 extends through the passage opening 6, within which advantageously at least one displacement element 5, as shown in particular in FIG. 12, is formed.
  • the first print 10.1 and the second print 10.2 each have a through hole 11 and a passage bore 14. Through the passage bore 14, the rotor shaft 2 extends while passing through the
  • the fastener 50 extends therethrough.
  • displacement elements 12 are formed in the through hole 11.
  • no displacement elements are formed in the through-bore 11 of the pressure disks 10.1 and 10.2
  • at least one receiving element 13 is formed in at least one of the pressure disks 10. 1 or 10. 2.
  • FIG. 12 which shows a plan view of the section C - C of FIG. 11, the receiving elements 7 of the respective laminated core disks 4 of FIG
  • Laminated core 3 for example, in the form of a material recess, in particular a bore formed.
  • the displacement elements 5 are advantageously formed as material shaping, which extends between the receiving elements 7 and the respective passage opening 6.
  • the receiving elements 7 are advantageously designed in the form of a relief geometry, so that upon insertion of the
  • FIGS. 13 and 14 show an embodiment of a shielding disk 20 with a balancing geometry 40, which is in the form of a collar on the outside
  • Peripheral surface of the shielding disk 20 advantageously extends in the radial direction outwardly from at least one of the end faces of the shielding disk 20 away.
  • the shielding disk 20 has a through hole 21, on the surface of which a receiving element 23 is formed. As shown, for example, in FIGS. 13 and 14, at least in every second of the formed receiving elements 23 engages a displacement element 12, for example a printed or displacing element 5, for example a laminated core 4.
  • FIGS. 15 and 16 show a further embodiment of a shielding disk 20 which, unlike the embodiment of a shielding disk 20 shown in FIGS. 13 and 14, has no balance geometry 40.
  • FIGS. 17 and 18 show an embodiment of a thrust washer 10 which has a balancing geometry 40, which is in the form of a collar on the outside
  • the print 10 has a passage bore 14, for example for receiving a rotor shaft not shown here and a plurality of through holes 11.
  • the through holes 11 are advantageously used as receiving elements 13 for receiving a displacement element, for example, a laminated core disc not shown here or a not shown
  • the thrust washers 10 shown in FIGS. 17 and 18 is advantageously a spring pressure sprocket.
  • FIGS. 19 and 20 show a further embodiment of a print 10, which differs from the embodiment of a pressure disk 10 shown in FIGS. 17 and 18 in that it has no balance geometry 40.
  • the reference numeral 5 a displacement element is shown, which, for example, belongs to a laminated core disc not shown here and in the corresponding
  • Receiving element 13 of the print 10 extends into it.
  • the print 10 shown in FIGS. 19 and 20 is advantageously an adjacent (stiff) print 10.
  • FIG. 21 shows a further embodiment of a rotor 1 according to the invention, which differs from the embodiments of a type shown in FIG Rotor 1 according to the invention differs, for example, in that no separate rotor shaft is present. Rather, the rotor shaft is formed by means of the laminated core 3, advantageously the laminated core segment 9 and particularly advantageous additionally by means of the rotatably connected to the pressure plates 10.1, 10.2 stub shafts 60.1 and 60.2. It is also conceivable that only a stub shaft 60.1 is present. At least the rotor 1 shown in FIG.
  • the 21 is mounted via at least one bearing element 70, wherein it is also conceivable that more than one bearing element 70, in particular two bearing elements (not shown here) are arranged on the rotor 1, in a defined manner Position in stock.
  • the one bearing element 70 is arranged on one of the stub shafts, in particular on the first stub shaft 60.1. It is conceivable that at least one of the stub shafts 60.1 or 60.2 has a shoulder 61 which, for example, as
  • the bearing element 70 is advantageously a thrust bearing element or a radial bearing element. It is also conceivable that at least one of the stub shafts 60.1, 60.2 a toothing 61, in particular a
  • This toothing is advantageously used to the shaft stub 60.1 or 60.2, in particular the rotor 1 with another component (not shown here), in particular a component to be driven to transmit torque.
  • the rotor 1 shown in FIG. 21 has a laminated core 3 comprising a plurality of laminated core disks 4 arranged in the axial direction, wherein each of the laminated core disks 4 advantageously has at least one displacement element 5, particularly advantageously additionally at least one receiving element 7.
  • the at least one displacement element 5 and the at least one receiving element 7 are formed in the passage opening 6 of the respective laminated core disc 4.
  • the pressure disks 10.1, 10.2 each have at least one displacement element 12 and / or a receiving element 13 which is or are formed in the through-bore 11.
  • the pressure disks 10.1, 10.2 each have at least one displacement element 12 and / or a receiving element 13 which is or are formed in the through-bore 11.
  • a fastening means 50 to be arranged in the laminated core 3, advantageously in the laminated core segment 9, through these through-openings 8 and advantageously also through the through-holes 14.
  • Fastener 50 serves in this case the (additional) compression of the laminated core 3 or of the laminated core segment 9 in the axial direction, that is, viewed in the longitudinal direction of the rotor 1.
  • the fastening means 50 is advantageously a positive fastening means, particularly advantageously a screw member.
  • the screw member has a
  • Internal teeth of a thrust washer 10.1 engages.
  • this internal toothing is formed in the through hole 11 of the thrust washer 10.1. It is also conceivable. That in the passage openings 8 of the individual laminated core discs 4 and / or in the passage holes 14 of the individual pressure plates 10.1, 10.2 displacement elements 6 and 12 and / or receiving elements 7 and 13 are formed. Thus, it is possible that when introducing the fastening means 50, these displacement elements 6 and 12 are introduced into corresponding receiving elements 7 and 13 respectively.
  • the rotor 1 shown in FIG. 21 advantageously has a self-supporting laminated core 3, which is only connected via thrust washers 10.1, 10.2 with stub shafts 60.1, 60.2, in particular connected to transmit torque.
  • FIGS. 22 and 23 differs from the embodiment shown in FIGS. 11 and 12
  • the rotor 1 does not have a separate rotor shaft, in particular no additional rotor shaft component.
  • the laminated core 3, in particular the laminated core segment 9 also serves to form a rotor shaft.
  • the respective thrust washers 10.1, 10.2 are advantageously designed such that they have stub shafts.
  • the stub shafts are integrally formed on the pressure disks 10.1, 10.2 and consequently a component of the respective pressure disks 10.1, 10.2. Consequently, the pressure disks 10.1, 10.2 can be directly or in particular directly connected to a torque-receiving component, such as a shaft to be driven (not shown here).
  • FIG. 24 shows a detail of a further embodiment of a rotor 1 according to the invention, wherein the detail F shown in FIG. 24 is shown in enlargement in FIG.
  • the rotor 1 has four laminated cores 3.1 to 3.4, which are arranged in the axial direction along the longitudinal axis of the rotor shaft 2 adjacent to one another on the rotor shaft 2.
  • the laminated cores 3.1 to 3.4 clamping two pressure plates 10.1 and 10.2 are arranged on the rotor shaft 2, advantageously pressed onto this.
  • These thrust washers 10.1 and 10.2 may be formed, for example, as a resilient pressure discs.
  • the laminated cores 3.1 to 3.4 have a plurality of consecutively lined laminated core discs, which are not shown individually here due to the preservation of clarity. At least one of these laminated core disks per laminated core 3.1 to 3.4 has a displacement element 5.
  • every second, third, fourth, etc. laminated core disk of a laminated core 3.1 to 3.4 has a displacement element 5. It is likewise conceivable for each laminated core disk of each laminated core 3.1 to 3.4 to have a displacement element 5 which is introduced into a corresponding receiving element (as shown, for example, in FIGS. 13 to 14) or positively connected thereto.
  • the rotor shaft 2 itself serves as a displacement means and is introduced into the through hole 6 of the laminated cores 3.1 to 3.4, or the laminated cores 3.1 to 3.4 are pushed onto the rotor shaft 2 such that this rotor shaft. 2 extends through the through holes 6 of the laminated cores 3.1 to 3.4.
  • this rotor shaft 2 ensures that the displacement elements 5 of the laminated core disks of the laminated cores 3.1 to 3.4, advantageously elastic and plastic, are brought into operative connection with the receiving elements.
  • the displacement elements 5 contact the rotor shaft 2, in particular its outer peripheral surface at least in sections.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

La présente invention concerne un noyau feuilleté et un segment de noyau feuilleté d'un rotor ainsi qu'un rotor destiné à une machine électrique. Le rotor comporte au moins un noyau feuilleté qui est disposé sur l'arbre de rotor ou bien qui forme un arbre de rotor. Le noyau feuilleté comporte une pluralité de plaques de noyau feuilleté placés en série dans la direction axiale. Chaque plaque de noyau feuilleté comporte une ouverture de passage destiné à introduire un arbre de rotor ou un moyen de déplacement. Au moins un élément de déplacement est formé dans une ouverture de passage d'au moins une plaque de noyau feuilleté. Dans l'ouverture de passage de chaque plaque de noyau feuilleté, au moins un élément de réception est conçu au moins pour recevoir l'élément de déplacement ou un élément de déplacement d'une plaque de noyau feuilleté axialement adjacente ou un élément de déplacement d'un élément axialement adjacent. En outre, le rotor comporte deux plaques de pressage qui possèdent chacune un trou traversant et entre lesquelles le noyau feuilleté est disposé. De plus, l'invention concerne une machine électrique muni du rotor ainsi qu'un procédé de montage du rotor.
PCT/EP2017/071005 2016-08-22 2017-08-21 Rotor d'une machine électrique et procédé de montage du rotor Ceased WO2018036952A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215701.9A DE102016215701A1 (de) 2016-08-22 2016-08-22 Rotor einer elektrischen Maschine und Verfahren zur Montage des Rotors
DE102016215701.9 2016-08-22

Publications (1)

Publication Number Publication Date
WO2018036952A1 true WO2018036952A1 (fr) 2018-03-01

Family

ID=59683577

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/071005 Ceased WO2018036952A1 (fr) 2016-08-22 2017-08-21 Rotor d'une machine électrique et procédé de montage du rotor

Country Status (2)

Country Link
DE (1) DE102016215701A1 (fr)
WO (1) WO2018036952A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009831A1 (de) 2018-12-14 2020-06-18 Neumayer Tekfor Engineering Gmbh Rotor für einen Elektromotor, Elektromotor sowie Verfahren zur Herstellung eines Rotors
DE102023110325A1 (de) * 2023-04-24 2024-10-24 Schaeffler Technologies AG & Co. KG Stator, Rotor, elektrische Maschine und Verfahren zur Herstellung eines Stators und Verfahren zur Herstellung eines Rotors

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104653A1 (de) * 2018-03-01 2019-09-05 Thyssenkrupp Ag Rotor, Asynchronmaschine und Verwendung einer Druckscheibe
DE102018204692A1 (de) * 2018-03-27 2019-10-02 Volkswagen Aktiengesellschaft Rotor-Rotorwellen-Anordnung mit stoffschlüssiger Verbindung
EP3683933A1 (fr) * 2019-01-18 2020-07-22 Siemens Aktiengesellschaft Assemblage d'un empilage de tôles sur un arbre
DE102020203487A1 (de) 2020-03-18 2021-09-23 Mahle International Gmbh Rotor eines Elektromotors
DE102020203483A1 (de) 2020-03-18 2021-09-23 Mahle International Gmbh Rotor eines Elektromotors
DE102021105499B4 (de) 2021-03-08 2024-05-02 Liebherr-Aerospace Lindenberg Gmbh Rotor für eine Axialflussmaschine
DE102021121951A1 (de) 2021-08-25 2023-03-02 Bayerische Motoren Werke Aktiengesellschaft Rotor mit Zugankern für eine elektrische Maschine
DE102021121952A1 (de) 2021-08-25 2023-03-02 Bayerische Motoren Werke Aktiengesellschaft Rotor mit Passstiften für eine elektrische Maschine
DE102021127531A1 (de) 2021-10-22 2023-04-27 Schaeffler Technologies AG & Co. KG Rotor und elektrische Rotationsmaschine
DE102023201151A1 (de) * 2023-02-13 2024-08-14 Zf Friedrichshafen Ag Blechpaket für eine elektrische Maschine, Fahrzeug, elektrische Maschine und Verfahren zur Herstellung eines Blechpakets
DE102023202569A1 (de) * 2023-03-22 2024-09-26 Zf Friedrichshafen Ag Teilbandagierter Rotor sowie elektrische Maschine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581140A (en) * 1992-09-02 1996-12-03 Kabushiki Kaisha Toshiba Permanent magnetic rotor and producing apparatus of the same
DE102008004876A1 (de) * 2007-02-01 2008-08-07 Robert Bosch Gmbh Elektrische Maschine
DE102009047485A1 (de) 2009-12-04 2011-06-09 Robert Bosch Gmbh Elektrische Maschine
WO2012110985A1 (fr) * 2011-02-18 2012-08-23 Embraco Europe S.R.L. Stator d'un moteur électrique et son processus de production
DE102011012429A1 (de) * 2011-02-25 2012-08-30 Neumayer Tekfor Holding Gmbh Rotorwelle und Elektromotor
EP2605372A2 (fr) * 2011-12-13 2013-06-19 Robert Bosch Gmbh Elément de support pour aimant permanent sur un rotor d'une machine électrique
DE102011122023A1 (de) * 2011-12-23 2013-06-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Roboterblechpaket eines Elektromotors
DE102014106614A1 (de) 2014-05-12 2015-11-12 Thyssenkrupp Presta Teccenter Ag Rotorwelle mit Blechpaket

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986443A (ja) * 1982-11-05 1984-05-18 Toshiba Corp 回転子の軸固着方法
DE4447880B4 (de) * 1994-07-07 2007-09-20 Indramat Gmbh Radialmagnetmotor
JP4681954B2 (ja) * 2005-06-09 2011-05-11 株式会社三井ハイテック 積層鉄心の製造方法および積層鉄心

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581140A (en) * 1992-09-02 1996-12-03 Kabushiki Kaisha Toshiba Permanent magnetic rotor and producing apparatus of the same
DE102008004876A1 (de) * 2007-02-01 2008-08-07 Robert Bosch Gmbh Elektrische Maschine
DE102009047485A1 (de) 2009-12-04 2011-06-09 Robert Bosch Gmbh Elektrische Maschine
WO2012110985A1 (fr) * 2011-02-18 2012-08-23 Embraco Europe S.R.L. Stator d'un moteur électrique et son processus de production
DE102011012429A1 (de) * 2011-02-25 2012-08-30 Neumayer Tekfor Holding Gmbh Rotorwelle und Elektromotor
EP2605372A2 (fr) * 2011-12-13 2013-06-19 Robert Bosch Gmbh Elément de support pour aimant permanent sur un rotor d'une machine électrique
DE102011122023A1 (de) * 2011-12-23 2013-06-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Roboterblechpaket eines Elektromotors
DE102014106614A1 (de) 2014-05-12 2015-11-12 Thyssenkrupp Presta Teccenter Ag Rotorwelle mit Blechpaket

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009831A1 (de) 2018-12-14 2020-06-18 Neumayer Tekfor Engineering Gmbh Rotor für einen Elektromotor, Elektromotor sowie Verfahren zur Herstellung eines Rotors
WO2020119840A1 (fr) 2018-12-14 2020-06-18 Neumayer Tekfor Engineering Gmbh Rotor pour moteur électrique, moteur électrique et procédé de fabrication d'un rotor
US12081083B2 (en) 2018-12-14 2024-09-03 Neumayer Tekfor Engineering Gmbh Rotor for an electric motor, electric motor, and method for producing a rotor
DE102023110325A1 (de) * 2023-04-24 2024-10-24 Schaeffler Technologies AG & Co. KG Stator, Rotor, elektrische Maschine und Verfahren zur Herstellung eines Stators und Verfahren zur Herstellung eines Rotors
DE102023110325B4 (de) * 2023-04-24 2025-06-18 Schaeffler Technologies AG & Co. KG Stator, Rotor, elektrische Maschine und Verfahren zur Herstellung eines Stators und Verfahren zur Herstellung eines Rotors

Also Published As

Publication number Publication date
DE102016215701A1 (de) 2018-02-22

Similar Documents

Publication Publication Date Title
WO2018036952A1 (fr) Rotor d'une machine électrique et procédé de montage du rotor
EP2084806B1 (fr) Moteur électrique et procédé de fabrication d'un moteur électrique pour un servomoteur automobile
DE60112015T2 (de) Läuferaufbau für Dauermagnetmotor
WO2018036956A1 (fr) Arbre de rotor composé de type asymétrique ainsi que rotor et procédé de fabrication de l'arbre de rotor composé et du rotor
EP1756928B1 (fr) Moteur synchrone
EP3345288B1 (fr) Procédé et dispositif de montage d'une machine électrique
DE102008043488A1 (de) Welle-Nabe-Bauteil sowie Verfahren zur Herstellung eines derartigen Bauteils
EP2790299B1 (fr) Ensemble de noyau statorique
DE102017115229A1 (de) Verfahren zur Herstellung eines Rotors für einen Elektromotor und mit diesem Verfahren hergestellter Rotor
WO2018153700A1 (fr) Moteur électrique, rotor intérieur et tôle de rotor
DE102017201178A1 (de) Maschinenbauelement sowie Verfahren zum Herstellen eines Maschinenbauelements
DE19824382A1 (de) Schneckengetriebe
WO2018138187A1 (fr) Anneau de noyau feuilleté comprenant une pluralité de segments d'anneau de noyau feuilleté, et rotor
WO2022012841A1 (fr) Rotor pour machine électrique tournante, machine électrique
WO2019001992A1 (fr) Rotor pour une machine électrique
DE102018003823A1 (de) Verfahren zur Herstellung einer Welle-Nabe-Verbindung sowie Rotorwelle mit darauf gefügten Elektroblechpaketen
EP2144350A2 (fr) Rotor pour un moteur électrique et son procédé de fabrication
EP3787155A1 (fr) Arbre, tôle de rotor ainsi que rotor pour une machine électrique, machine électrique, véhicule et procédé de fabrication pour un rotor
DE19927279B4 (de) Käfigläufer für eine elektrische Maschine
DE102021124316A1 (de) Rotor mit einer Wellenvorrichtung, elektrische Maschine mit einem Rotor und Kraftfahrzeug
DE102018104074A1 (de) Rotor, Rotorwelle und elektrische Maschine
DE102021104468A1 (de) Verfahren zur Montage einer Axialflussmaschine in ein Gehäuse sowie Axialflussmaschine und Roboter
DE102020119442A1 (de) Verfahren zur Herstellung eines Zwischenprodukts für eine elektrische Maschine, umfassend ein Statorblechpaket und einen damit verbundenen Gehäuseteil des Gehäuses
DE102019213574A1 (de) Rotor einer elektrischen Maschine
DE102004032370A1 (de) Elektrische Maschine und Kalibrierverfahren für einen Kommutatorläufer der elektrischen Maschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17755175

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 17755175

Country of ref document: EP

Kind code of ref document: A1