CN103891108A - Electric machine and method for assembling an electric machine - Google Patents
Electric machine and method for assembling an electric machine Download PDFInfo
- Publication number
- CN103891108A CN103891108A CN201280039151.7A CN201280039151A CN103891108A CN 103891108 A CN103891108 A CN 103891108A CN 201280039151 A CN201280039151 A CN 201280039151A CN 103891108 A CN103891108 A CN 103891108A
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- rotor
- motor
- connection element
- moment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to an electric machine (1), comprising a drive shaft (2), on which a rotor (3) and a connecting element (4) are arranged, at least partially force-closed torque transmission connection being formed between the rotor (3) and the connecting element (4) in that the connecting element (4) is pushed in the direction of the rotor (3) by means of a locking element (18). The locking element (18) is designed as a screw and has an external screw thread (25), which is screwed into an internal shaft thread (26) of the drive shaft (2). The invention further relates to a method for assembling an electric machine (1).
Description
Technical field
The present invention relates to a kind of motor, it has driving shaft, on this driving shaft, be provided with rotor and Connection Element, and in this driving shaft, by means of locking element, Connection Element is extruded towards the direction of rotor, the moment of torsion transmission that is formed to thus small part power transmission connected mode between rotor and Connection Element is connected.The invention still further relates to a kind of for assembling the method for motor.
Background technology
Described in the beginning part, the motor of type is known in the prior art.This motor can at random design and be used as especially motor, generator or the generator motor of motor vehicles.Motor has driving shaft, and motor is by this driving shaft output torque or reception moment of torsion.Rotor and Connection Element are arranged on driving shaft at least partly.
Rotor by means of drive shaft bearing in motor.Except rotor, on driving shaft, be provided with Connection Element, the moment of torsion of driving shaft or rotor offers other device by this Connection Element, or the moment of torsion of other device passes to rotor by this Connection Element.Connection Element is for example set to belt pulley, and what it relaxed by bending is effectively connected in the mode of transmitting torque with other device around member, particularly belt.Between rotor and Connection Element, being provided with moment of torsion transmission is connected.This means, rotor and Connection Element are connected to each other to can be preferably with nonslipping mode transmitting torque between them.It is power transmission connected mode that moment of torsion transmission is connected to small part, is power transmission connected mode especially completely.
This means, the moment of torsion between rotor and Connection Element not or at least only time strategic point is connected by form fit or the moment of torsion transmission of material connected mode connects to transmit.For example can be arranged to, rotor and Connection Element are arranged on rotationally on driving shaft and only and connect by the power transmission between two parts the moment of torsion transmission realizing between them.This means especially, and Connection Element is extruded the direction to rotor, makes to connect or frictional connection carrys out transmitting torque and exist moment of torsion transmission to connect by power transmission.Be provided with for this purpose locking element, its in the axial direction, in the direction of the longitudinal axis of driving shaft towards the direction extruding Connection Element of rotor.
Locking element is preferably fixed on driving shaft at this.By this fixing, on Connection Element and the moment of torsion transmitting element that may exist, apply axial force, this extruding of direction towards rotor they.Between rotor and Connection Element, transferable peak torque is relevant with (maximum) axial force in this embodiment.But this axial force can not at random increase, because it is conducted in driving shaft and can causes the damage of driving shaft in the time that high load capacity uses.In the common execution mode of motor, transferable peak torque is approximately 50 to 60Nm.If axial force continues to increase, particularly may there is cracking and fault in driving shaft in the time of assembling motor.
For example known in the prior art patent documentation DE102007036313A1, it discloses the manufacture method for the coil of motor stator.Wherein nut is screwed on driving shaft, connects with the moment of torsion transmission that Connection Element was pushed and formed in this way power transmission connected mode towards the direction of rotor.
Summary of the invention
The advantage with the motor of feature described in claim 1 is, between rotor and Connection Element, transferable peak torque increases, particularly by Connection Element being applied to larger axial force in the direction towards rotor.According to the present invention, this is configured to bolt by locking element and has the bolt external screw thread screwing in the axle internal thread of driving shaft realize.Locking element pushes Connection Element directly or indirectly towards the direction of rotor.In the first situation, locking element directly contacts with Connection Element.For this purpose, the size of locking element and Connection Element makes it possible to achieve the acting in conjunction that by locking element, Connection Element is applied axial force.If be only arranged to indirectly push, another element that the axial force of locking element is delivered at least in part to Connection Element can be set between Connection Element and locking element.This another element is for example the retaining element for Connection Element.
In addition, the regulation according to the present invention, locking element in other words bolt has bolt external screw thread, and it screws in the axle internal thread of driving shaft.Therefore, driving shaft is configured to hollow shaft at least in part, and wherein bolt at least extends in driving shaft with its bolt external screw thread, until axle internal thread.In this way, can reduce the weight of motor, because hollow shaft is obviously lighter than solid drive shafts well known in the prior art.Rotor is fixed on driving shaft at this, makes it overcome this responsive to axial force, can not be offset vertically.Thus, rotor is at least fixed on vertically on driving shaft in the direction away from Connection Element.This can for example similarly realize with Connection Element, is provided with locking element for this reason, and rotor is extruded towards the direction of Connection Element by this locking element.Instead or additionally, also can specify, rotor is not for example connected with driving shaft rotatably by crimping connection.
Rotor can have at least one permanent magnet component or be configured to the rotor of electromagnetic excitation.Under latter event, rotor is for example configured to pawl utmost point rotor and is made up of two pawl pole plates especially thus, is respectively arranged with the pawl utmost point extending vertically and refers in the periphery of this pawl pole plate.Finally, rotor is arranged on driving shaft and rotatable arbitrary element.Therefore, in fact rotor does not need to have all elements of rotor, armature, inductor or the utmost point wheel of motor.But term " rotor " can only be interpreted as the part, particularly rotor core of this element.Pawl pole plate is for example relative to each other arranged to, and the upwardly extending pawl utmost point of its axle at motor refers to replace each other as north and south poles on the circumference of rotor.Based on this reason, between referring to, the pawl utmost point of magnetic reversal is typically provided with pawl clearance between poles.The pawl utmost point refers to preferably attenuate and extend slightly obliquely with respect to the longitudinal axis of motor thus towards the direction of its free end.
A modification of the present invention scheme is provided with extra retaining element, and this retaining element is towards the direction extruding Connection Element of rotor, and observation vertically especially, and this retaining element is arranged between Connection Element and locking element., be provided with on the one hand the locking element towards the direction extruding Connection Element of rotor.Be provided with in addition the retaining element that towards the direction of rotor, Connection Element is applied equally axial force.In this way, be provided on the one hand the extra axial force of moment of torsion transmission connection and increase thus transferable peak torque.On the other hand, further alleviate the load of driving shaft, particularly alleviate the load of the idle running breach that may be arranged on driving shaft.In this embodiment, locking element is preferably only connected with Connection Element indirectly.Can be arranged to thus, locking element acts on retaining element and towards the direction of rotor and pushes this retaining element.Thus, only retaining element directly pushes Connection Element in the direction towards rotor.Especially, retaining element is arranged between Connection Element and locking element vertically, and locking element is connected in effective with Connection Element with retaining element and retaining element.
As previously mentioned, at this, rotor is at least fixed on vertically on driving shaft in the direction from Connection Element points to.Especially, it can be arranged on driving shaft with the relative rotation, makes to exist and be effectively connected between rotor and driving shaft.For example also be provided with retaining element and locking element in the side of rotor, wherein, retaining element is towards the direction extruding rotor of Connection Element, and locking element is towards the direction extruding retaining element of Connection Element.In addition, can also be arranged to, the retaining element of Connection Element and/or rotor and/or locking element are connected, are particularly welded and be connected with driving shaft or be connected to each other by material.In this way, except increasing axial force, element, along circumferentially relative to each other fixing, not only can connect by power transmission the moment of torsion between them, and can connect transmission by material.Also increase thus transferable peak torque between rotor and Connection Element.
A modification of the present invention scheme regulation, nut, particularly convex shoulder nut, and locking element that retaining element is configured to be screwed on the axle external screw thread of driving shaft are bolts, the mode that its head is connected with power transmission with nut connects.Nut has nut inner thread thus, and this nut inner thread is effectively connected with the axle external screw thread of driving shaft.The retaining element of nut form is screwed on driving shaft, makes its at least mode acting in conjunction with transmitting torque with the clamping engagement face of clamping area and Connection Element.Between clamping area and clamping engagement face, there is thus to clamp to be connected the mode transmitting torque that it only connects with power transmission substantially.Locking element is configured to bolt on the contrary, and it has head and bar portion, and wherein head abuts in retaining element in other words on nut, makes also to exist herein power transmission to connect.Thus, retaining element in other words nut has another clamping area, and the clamping engagement face of this clamping area and bolt head clamps ground acting in conjunction.Bolt is fixed on driving shaft especially in a side that deviates from rotor or Connection Element of retaining element.
A modification of the present invention scheme regulation, axle internal thread is arranged on the axial location identical with rotor with bolt external screw thread.At this, identical axial location is interpreted as so a kind of position, and on this position, in the meaning of the section perpendicular to motor longitudinal axis, axle internal thread, bolt external screw thread and rotor have at least one common axial location.But, axle internal thread and/or bolt external screw thread, particularly only axle internal thread or only bolt external screw thread, preferably be positioned at the part that extends axially of rotor completely, rotor is prevented may be because the driving shaft that axle internal thread and the externally threaded acting in conjunction of bolt cause expands.
A modification of the present invention scheme regulation, axle internal thread and axle external screw thread are oppositely constructed.Locking element is configured for thus the reaction member of retaining element and prevents retaining element and get loose when locking element.Be necessary that, retaining element screws off from driving shaft with the direction of rotation different from locking element.In this way, prevented that with simple and effective way retaining element from getting loose unintentionally, and the material that needn't for example be arranged between retaining element and driving shaft is connected.
A modification of the present invention scheme regulation, driving shaft and retaining element are adjacent to have idle running breach.Idle running breach on driving shaft, is set to sink to cut portion and especially with acting on the externally threaded exit region of axle, retaining element in other words nut is screwed on this axle external screw thread.Idle running breach conventionally with retaining element or the directly closely setting of axle external screw thread.Also can be arranged to, it is overlapped by Connection Element and/or retaining element at least in part.Idle running breach is arranged on requiring in high region of driving shaft conventionally.Alleviate the load of this idle running breach by locking element is set, thereby can increase transferable moment of torsion.
A modification of the present invention scheme regulation, observes vertically, is provided with at least one moment of torsion transmitting element on driving shaft between rotor and Connection Element, and this moment of torsion transmitting element is for the moment of torsion transmission of the power transmission connected mode between rotor and Connection Element.Therefore, rotor and Connection Element needn't directly closely arrange in order to form that moment of torsion transmission is connected.But can be arranged to, described at least one moment of torsion transmitting element is arranged between rotor and Connection Element vertically, and rotor and Connection Element are spaced apart from each other vertically.In detail, exist thus moment of torsion transmission between rotor and moment of torsion transmitting element to be connected and moment of torsion transmission between moment of torsion transmitting element and Connection Element is connected.Correspondingly produce between rotor and Connection Element by the torque chain of described at least one moment of torsion transmitting element.Can increase between rotor and Connection Element spacing vertically by means of moment of torsion transmitting element.
A modification of the present invention scheme regulation, Connection Element and/or moment of torsion transmitting element arrange on driving shaft rotationally.This means, two elements do not have with the moment of torsion transmission of driving shaft and are connected, upwards rotatable in week.Especially, between Connection Element and driving shaft or between moment of torsion transmitting element and driving shaft, do not exist and engaging.
A modification of the present invention scheme regulation, moment of torsion transmitting element is spacer ring, ball bearing or blast fan.Replace spacer ring, also can arrange and there is the larger axially spacer sleeve of development length.Ball bearing is for supporting driving shaft and thus also for example, for supporting element disposed thereon, rotor and Connection Element.Replace ball bearing, bearing arbitrarily can certainly be set, particularly rolling bearing arbitrarily.Blast fan is the part of fan, and it is for cooling motor.Blast fan has multiple blades conventionally, its in the time that driving shaft rotates in the direction towards rotor or in the opposite direction (that is to say, particularly cross or through rotor ground) produce air stream.
The invention still further relates to a kind of for assembling particularly according to the method for the motor of aforementioned embodiments, wherein motor has driving shaft, on this driving shaft, be provided with rotor and Connection Element, and in this driving shaft, by means of locking element, Connection Element is extruded towards the direction of rotor, the moment of torsion transmission that is formed to thus small part power transmission connected mode between rotor and Connection Element is connected.In this regulation, locking element is configured to bolt, and by the bolt of locking element being screwed in the axle internal thread of driving shaft, locking element is arranged on driving shaft.Motor can further improve according to aforementioned embodiments.
In the time of assembling motor, driving shaft is provided, rotor, Connection Element are set subsequently on driving shaft and at least one moment of torsion transmitting element is set if desired.Can specify at this, rotor is for example connected with driving shaft by crimping.Connection Element and moment of torsion transmitting element are arranged on driving shaft conventionally rotationally.Subsequently, the locking element of bolt form is fixed on driving shaft.
Retaining element can also be set to the form of nut, and it is screwed on the axle external screw thread of driving shaft.In this case, locking element is just set subsequently, its direction towards rotor produces the axial force to retaining element.Driving shaft is for example configured to hollow shaft and at the height of rotor, at least have axle internal thread at the consistent axial location in subregion place.Locking element can be set to have the externally threaded bolt of bolt in this case, and it screws in driving shaft, and bolt external screw thread is engaged with axle internal thread.In this way, the head of locking element or locking element move up towards the side of rotor and thus also this side up extruding retaining element.
Brief description of the drawings
Referring to embodiment illustrated in the accompanying drawings, the present invention is described in detail, but and unrestricted the present invention.In accompanying drawing:
Fig. 1 shows the partial view of the motor with driving shaft, and Connection Element is fixed on this driving shaft by retaining element in common mode, and
Fig. 2 shows the local longitudinal sectional view according to motor of the present invention.
Embodiment
Fig. 1 shows from the partial view of motor 1 well known in the prior art.Motor 1 can be for example arranged to motor, generator or generator motor.It has driving shaft 2, and moment of torsion can be exported or receive to motor by this driving shaft.On driving shaft 2, be provided with herein unshowned rotor 3 and preferably vertically with the isolated Connection Element 4 of rotor 3.Connection Element 4 is for example arranged to belt pulley, that is has the working face 5 around member lax for bending, for example, for the working face 5 of belt.Connection Element 4 is fixed on driving shaft 2 and by this retaining element 6 towards the direction of rotor 3, is extruded along the direction of arrow 7 by means of retaining element 6.Arrow 7 is parallel to the longitudinal axis 8 of driving shaft 2 and motor 1 at this.
Retaining element 6 is configured to nut, and it is screwed on the axle external screw thread 9 herein only probably illustrating of driving shaft 2.Spin in order to realize, driving shaft 2 has interior engaging tooth 10, and this interior engaging tooth 10 extends to the inside of driving shaft 2 from the distolateral direction towards rotor 3 of driving shaft 2.But, to observe vertically, interior engaging tooth 10 finally finishes with Connection Element 4.That is interior engaging tooth 10 does not extend beyond this Connection Element in the direction of rotor 3.Thus, avoid the reduction of driving shaft 2 by this structure of interior engaging tooth 10.
Retaining element 6 is along the direction of arrow 7, towards the direction extruding Connection Element 4 of rotor 3.Herein invisibly, the moment of torsion transmission being formed in this way between Connection Element 4 and rotor 3 is connected.It is power transmission connected mode that this moment of torsion transmission is connected to small part, is preferably power transmission connected mode completely.This means, the moment of torsion between rotor 3 and Connection Element 4 is preferably connected transmission by power transmission completely.
Fig. 2 shows according to the part of motor 1 of the present invention.Herein, at least exemplarily show driving shaft 2, rotor 3 and Connection Element 4.Due to motor 1 according to the present invention can corresponding to prior art construct, as a supplement with reference to foregoing description to Fig. 1.In the axial direction, i.e. axis 8 is longitudinally provided with multiple moment of torsion transmitting elements 11 between rotor 3 and Connection Element 4.One of moment of torsion transmitting element 11 is configured to the cartridge housing 12' of bearing 12.Bearing is preferably ball bearing at this as illustrated in fig. 2.But arbitrary bearing type can be set in principle.
Look up in week, cartridge housing 12' is constructed to moment of torsion transmitting element 11 double teams of spacer ring 13 in both sides.Last moment of torsion transmitting element 11 is set to blast fan 14 or dividing plate.
Moment of torsion transmitting element 11 and Connection Element 4 are arranged on driving shaft 2 in principle rotationally.This means, directly between described element and driving shaft 2, do not exist form fit to be connected or material connection.Moment of torsion transmission between rotor 3 and Connection Element 4 is only connected realization by the moment of torsion transmission of power transmission connected mode, and this moment of torsion transmission connection is formed by moment of torsion transmitting element 11.For this purpose, retaining element 6 not only, towards the direction extruding Connection Element 4 of rotor 3, is gone back extrusion torque transmitting element 11.Driving shaft 2 is resisted the power in this generation.
By the direction extruding Connection Element 4 towards rotor 3, between Connection Element 4 and immediate moment of torsion transmitting element 11, between each adjacent moment of torsion transmitting element 11 and rotor 3 with approach most the moment of torsion transmission that produces power transmission connected mode between the moment of torsion transmitting element 11 of this rotor 3 and be connected, make between rotor 3 and Connection Element 4, to exist on the whole the torque chain of power transmission connected mode.Driving shaft 2 does not transmit or only transmits the moment of torsion of a very little part thus between rotor 3 and Connection Element 4.And driving shaft 2 is substantially for the axial grip of Connection Element 4, moment of torsion transmitting element 11 and rotor 3.
Direction extruding Connection Element 4 by means of retaining element 6 towards rotor 3.For this purpose, in the time of assembling motor 1, retaining element 6 is tightened on axle external screw thread 9, until between Connection Element 4, moment of torsion transmitting element 11 and rotor 3, exist enough large power transmission to connect, to can transmit the peak torque of expecting between rotor 3 and Connection Element 4.Have clamping area 15 at this retaining element 6, clamping engagement face 16 actings in conjunction of this clamping area 15 and Connection Element 4, are connected also to realize power transmission between retaining element 6 and Connection Element 4.The clamping that is made up of clamping area 15 and clamping engagement face connects the 17 moment of torsion transmission that are formed on power transmission connected mode between Connection Element 4 and retaining element 6 and is connected, and the moment of torsion transmission that also forms thus power transmission connected mode between Connection Element 4 and driving shaft 2 is connected.
For the peak torque that further increase can be transmitted between rotor 3 and Connection Element 4, be also provided with locking element 18, the form that this locking element 18 is bolt.Certainly, be only provided with locking element 18 but do not have the execution mode of retaining element 6 also can realize.Also can realize according to advantage of the present invention by this execution mode.The locking element 18 that is configured to bolt has head 19 and bar portion 20.Head 19 radially overlaps driving shaft 2 and overlaps at least partly retaining element 6, thereby between retaining element 6 and locking element 18, exists another clamping to be connected 21.This another clamping connection is made up of the clamping engagement face 23 on clamping area 22 and locking element 18 on retaining element 6.
The bar portion 20 of locking element 18 joins in the central recess 24 of the driving shaft 2 that is configured to hollow shaft at least partly.End at the close Connection Element 4 of driving shaft 2 is provided with the interior engaging tooth 10 of having mentioned, but this interior engaging tooth 10 only extends partly in recess 24.Especially, interior engaging tooth 10 extend axially the length that extends axially that length is less than retaining element 6.Interior engaging tooth 10 for during retaining element 6 is assemblied on driving shaft 2, during tightening along circumferential fixed drive axle 2.For this purpose, by with interior engaging tooth coordinate not in relative rotation co-operating member (not shown) inserts wherein, be mounted with element 6 and also take off again co-operating member.Interior engaging tooth 10 is implemented as the maximum mounting torque producing when it can be delivered in assembling, for example 100Nm.
In the bar portion 20 of locking element 18, be provided with bolt external screw thread 25, axle internal thread 26 actings in conjunction of itself and driving shaft 2 are with fixing locking element 18.Locking element 18 screws in the recess 24 of driving shaft 2 thus.Axle internal thread 26 is oppositely constructed with respect to axle external screw thread 9 at this, makes locking element 18 use act on the reaction member of retaining element 6.Locking element 18 is for applying extra axial force towards the direction of rotor 3, thereby the stronger clamping of existence vertically also can be connected and be transmitted larger peak torque by the moment of torsion transmission of power transmission connected mode thus between Connection Element 4 and rotor 3.In addition, alleviate idle running breach 27 or the heavy load that cuts portion for the axle external screw thread 9 of driving shaft 2 by locking element 18.
Claims (10)
1. motor (1), described motor has driving shaft (2), on this driving shaft, be provided with rotor (3) and Connection Element (4), and by means of locking element (18), described Connection Element (4) is extruded towards the direction of described rotor (3) in this driving shaft, the moment of torsion transmission that is formed to thus small part power transmission connected mode between described rotor (3) and described Connection Element (4) is connected, it is characterized in that, described locking element (18) is for bolt and have bolt external screw thread (25), this bolt screws in the axle internal thread (26) of described driving shaft (2).
2. according to motor claimed in claim 1, it is characterized in that, also be provided with retaining element (6), this retaining element pushes described Connection Element (4) towards the direction of described rotor (3), and observe vertically especially, this retaining element is arranged between described Connection Element (4) and described locking element (18).
3. according to motor in any one of the preceding claims wherein, it is characterized in that, described retaining element (6) is nut, particularly the convex shoulder nut being screwed on the axle external screw thread (9) of described driving shaft (2), and the head (19) of described locking element (18) connects with the mode that described nut (6) is connected with power transmission.
4. according to motor in any one of the preceding claims wherein, it is characterized in that, described axle internal thread (26) and described bolt external screw thread (25) are arranged on the axial location identical with described rotor (3).
5. according to motor in any one of the preceding claims wherein, it is characterized in that, described axle internal thread (26) and described axle external screw thread (9) are oppositely constructed.
6. according to motor in any one of the preceding claims wherein, it is characterized in that, described driving shaft (2) is adjacent to have idle running breach (27) with described retaining element (6).
7. according to motor in any one of the preceding claims wherein, it is characterized in that, observe vertically, at upper at least one the moment of torsion transmitting element (11) that is provided with between described rotor (3) and described Connection Element (4) of described driving shaft (2), this moment of torsion transmitting element is for the moment of torsion transmission of the power transmission connected mode between described rotor (3) and described Connection Element (4).
8. according to motor in any one of the preceding claims wherein, it is characterized in that, described Connection Element (4) and/or described moment of torsion transmitting element (11) can be arranged on described driving shaft (2) rotationally.
9. according to motor in any one of the preceding claims wherein, it is characterized in that, described moment of torsion transmitting element (11) is spacer ring (13), ball bearing (12) or blast fan (14).
10. for assembling particularly according to the method for aforementioned claim any one or multinomial described motor (1), wherein said motor (1) has driving shaft (2), on this driving shaft, be provided with rotor (3) and Connection Element (4), and by means of locking element (18), described Connection Element (4) is extruded towards the direction of described rotor (3) in this driving shaft, the moment of torsion transmission that is formed to thus small part power transmission connected mode between described rotor (3) and described Connection Element (4) is connected, it is characterized in that, described locking element (18) is bolt, and by the bolt external screw thread (25) of described locking element (18) being screwed in the axle internal thread (26) of described driving shaft (2), described locking element is arranged on described driving shaft (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011080889A DE102011080889A1 (en) | 2011-08-12 | 2011-08-12 | Electric machine and method for assembling an electric machine |
| DE102011080889.2 | 2011-08-12 | ||
| PCT/EP2012/062572 WO2013023829A2 (en) | 2011-08-12 | 2012-06-28 | Electric machine and method for assembling an electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103891108A true CN103891108A (en) | 2014-06-25 |
| CN103891108B CN103891108B (en) | 2018-01-19 |
Family
ID=46397268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280039151.7A Active CN103891108B (en) | 2011-08-12 | 2012-06-28 | Motor and the method for assembling motor |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN103891108B (en) |
| BR (1) | BR112014003194A2 (en) |
| DE (1) | DE102011080889A1 (en) |
| FR (1) | FR2979039B1 (en) |
| WO (1) | WO2013023829A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411037A (en) * | 2015-06-10 | 2017-02-15 | 包米勒公司 | Electric machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015106638A1 (en) * | 2014-07-02 | 2016-01-07 | Pierburg Gmbh | Fastening device and method for mounting an impeller of a compressor on a drive shaft |
| FR3052202B1 (en) * | 2016-06-01 | 2018-11-09 | Valeo Equipements Electriques Moteur | ROTATING ELECTRIC MACHINE WITH BEARING |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2635075A1 (en) * | 1975-08-13 | 1977-03-10 | Sev Alternateurs | ELECTRIC LATHE, IN PARTICULAR ALTERNATIVE MACHINE FOR VEHICLES |
| CN1639946A (en) * | 2002-03-22 | 2005-07-13 | 瓦莱奥电机设备公司 | Assembly and method of assembling a motor vehicle alternator pulley and a motor vehicle alternator comprising one such assembly |
| CN101517862A (en) * | 2006-09-13 | 2009-08-26 | 法雷奥电机设备公司 | Toothed-rotor shaft, toothed rotor equipped with such a shaft and rotary electrical machine equipped with such a rotor |
| FR2930854A1 (en) * | 2008-05-05 | 2009-11-06 | Valeo Equip Electr Moteur | Electrical rotating machine e.g. alterno-starter, for diesel engine of motor vehicle, has strong friction zones, between nut and shaft, providing friction coefficient higher than that of other friction zones between pulley and spacer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR82620E (en) * | 1960-09-23 | 1964-03-20 | Siemens Elektrogeraete Gmbh | Drum washing machine |
| DE102007036313A1 (en) | 2007-07-31 | 2009-02-05 | Robert Bosch Gmbh | Method for producing a winding for the stator of an electrical machine |
| US20110080063A1 (en) * | 2009-10-06 | 2011-04-07 | Ming-Hung Hsieh | Direct-drive motor module |
| CA2784042A1 (en) * | 2009-12-16 | 2011-06-23 | Litens Automotive Partnership | Device with integrated decoupler |
-
2011
- 2011-08-12 DE DE102011080889A patent/DE102011080889A1/en active Pending
-
2012
- 2012-06-28 WO PCT/EP2012/062572 patent/WO2013023829A2/en active Application Filing
- 2012-06-28 BR BR112014003194A patent/BR112014003194A2/en not_active Application Discontinuation
- 2012-06-28 CN CN201280039151.7A patent/CN103891108B/en active Active
- 2012-08-10 FR FR1257756A patent/FR2979039B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2635075A1 (en) * | 1975-08-13 | 1977-03-10 | Sev Alternateurs | ELECTRIC LATHE, IN PARTICULAR ALTERNATIVE MACHINE FOR VEHICLES |
| CN1639946A (en) * | 2002-03-22 | 2005-07-13 | 瓦莱奥电机设备公司 | Assembly and method of assembling a motor vehicle alternator pulley and a motor vehicle alternator comprising one such assembly |
| CN101517862A (en) * | 2006-09-13 | 2009-08-26 | 法雷奥电机设备公司 | Toothed-rotor shaft, toothed rotor equipped with such a shaft and rotary electrical machine equipped with such a rotor |
| FR2930854A1 (en) * | 2008-05-05 | 2009-11-06 | Valeo Equip Electr Moteur | Electrical rotating machine e.g. alterno-starter, for diesel engine of motor vehicle, has strong friction zones, between nut and shaft, providing friction coefficient higher than that of other friction zones between pulley and spacer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411037A (en) * | 2015-06-10 | 2017-02-15 | 包米勒公司 | Electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013023829A2 (en) | 2013-02-21 |
| FR2979039B1 (en) | 2015-12-25 |
| BR112014003194A2 (en) | 2017-03-14 |
| CN103891108B (en) | 2018-01-19 |
| WO2013023829A3 (en) | 2014-05-01 |
| FR2979039A1 (en) | 2013-02-15 |
| DE102011080889A1 (en) | 2013-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101823500B (en) | Electric power steering apparatus | |
| US8201317B2 (en) | Generator rotor with improved hollow shaft | |
| US20170070106A1 (en) | Nested dual motor/generator | |
| US7923874B2 (en) | Nested torsional damper for an electric machine | |
| CN103891108A (en) | Electric machine and method for assembling an electric machine | |
| US10731739B2 (en) | Electric actuator | |
| CN205911867U (en) | Axle supporting arrangement and motor | |
| JPWO2019142263A1 (en) | Rotating electric machine | |
| KR20150037492A (en) | Scroll type fluid machine | |
| CN103248167A (en) | Electric machine used as motor in motor car | |
| CN203009764U (en) | Permanent magnet coupler for belt drive | |
| US9267578B2 (en) | Belt tension adjustment apparatus for vehicles | |
| KR101372451B1 (en) | Cooling fan clutch for vehicle | |
| CN202206247U (en) | Clutchable safety torque output shaft assembly for large power motor | |
| US20140225377A1 (en) | Brushless alternator for helicopter transmission install | |
| CA2988368C (en) | Auxiliary machine-driving device for vehicle | |
| CN203326748U (en) | Motor and composite architecture body used in building machinery | |
| CN109070318B (en) | Belt transmission mechanism | |
| CN202357086U (en) | Multi-head motor-driven tightening device | |
| CN108223724B (en) | Keyless rotation transmission unit and hybrid starter generator | |
| CN203201640U (en) | Two-speed electromagnetic fan clutch for cooling device of automobile engine | |
| CN2884663Y (en) | Spline shaft extension brushless synchronous generator | |
| US20170082170A1 (en) | Damper apparatus for alternator pulley | |
| JP5098971B2 (en) | Motor generator | |
| US9024502B2 (en) | Stator for rotating electrical device and stator retaining ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180222 Address after: Stuttgart, Germany Co-patentee after: SEG Automotive Germany Co.,Ltd. Patentee after: Robert Bosch Ltd. Address before: Stuttgart, Germany Patentee before: Robert Bosch Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190516 Address after: Stuttgart, Germany Patentee after: SEG Automotive Germany Co.,Ltd. Address before: Stuttgart, Germany Co-patentee before: SEG Automotive Germany Co.,Ltd. Patentee before: Robert Bosch Ltd. |
|
| TR01 | Transfer of patent right |