CN104704712B - Electric rotating machine and its manufacture method - Google Patents
Electric rotating machine and its manufacture method Download PDFInfo
- Publication number
- CN104704712B CN104704712B CN201280076348.8A CN201280076348A CN104704712B CN 104704712 B CN104704712 B CN 104704712B CN 201280076348 A CN201280076348 A CN 201280076348A CN 104704712 B CN104704712 B CN 104704712B
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- CN
- China
- Prior art keywords
- iron core
- core block
- stator
- electric rotating
- rotating machine
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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
- H02K7/1008—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys structurally associated with the machine rotor
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
Abstract
In the electric rotating machine of the present invention, because each segmentation iron core block is pressed on the outer peripheral face of housing by the reaction force in direction on the inside of the footpath from inclined plane produced by the fastening force as the bolt that segmentation iron core block is anchored on boss by each segmentation iron core block in the axial direction by relay part, therefore, manufacture efficiency is greatly improved.
Description
Technical field
The present invention relates to the electric rotating machine of the stator constituted with the stator core segmentation iron core block multiple by being divided into and
Its manufacture method.
Background technology
Be used as conventional outward turning type motor, it is known that with by multiple segmentation iron core blocks by dovetail groove combine and with link
Housing, which combines, links integral and the stator core of composition motor (for example, referring to patent document 1).
In this case, housing is linked by the soft material shape of the stacked steel plate for being used for the component parts of segmentation iron core block
Into the dovetail groove bound fraction for linking housing side is plastically deformed, and is combined to fill present in dovetail groove combination
Gap and it is disappeared.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2003-169431 publications (0022~paragraph of paragraph 0024, Fig. 1)
The content of the invention
The invention problem to be solved
But, in the motor of said structure, the circumferential width of convex portion and the height of radial direction for linking housing all compare
The recess of segmentation iron core block is small, moreover, the outside dimension of link housing must be made smaller than the internal diameter of stator core, thus,
Each size management is cumbersome.
It is additionally, since and needs to use such as drift to make company in the state of segmentation iron core block, link housing are assembled
Crust body is plastically deformed, accordingly, it is considered to rise to temperature etc., it is necessary to enter the size management of joining line housing, there is manufacture
The problem of inefficient is such.
The present invention is to solve the above problems as problem, it is therefore intended that obtains a kind of electric rotating machine and its manufacture method, passes through
Adjacent each segmentation iron core block has been bonded to each other using the fastening force for the secure component that segmentation iron core block is anchored on housing
Come, can simply enter joining line, manufacture efficiency is greatly improved.
Means for solving the problems
The electric rotating machine of the present invention possesses：Stator, it includes stator winding and the stator core of ring-type, the stator core
With the multiple teeth formed at spaced intervals in the circumferential, the stator winding is to constitute Wire-wound on each tooth
's；Rotor, it is arranged on the outside diameter of the stator in the way of surrounding stator and can rotate；And housing, it is with outer peripheral face
The mode contacted with the inner peripheral surface of stator core is arranged on the internal side diameter of the stator core, and the stator core is by radially
It is divided into multiple segmentation iron core blocks to constitute, the electric rotating machine is characterised by, on each segmentation iron core block, described
The periphery surface side of housing is formed with the iron core block groove of dove tail shape in the axial direction, is formed with the housing convex
Platform, the boss is prominent to footpath lateral direction, and an end face with the axis direction of the stator core is opposed, and with it is described
There is enclosure slot on iron core block groove identical axis, relay part is embedded with the iron core block groove, the relay part has
With the terminal surface of the inclination plane-plane contact of the enclosure slot, by each segmentation iron core block along the axis direction by segmentation iron core
Block is anchored on the anti-work in direction on the inside of the footpath from the inclined plane produced by the fastening force of the secure component on the boss
Firmly each segmentation iron core block is pressed on the outer peripheral face of the housing by the relay part.
In addition, the electric rotating machine of the present invention possesses：Stator, it includes stator winding and the stator core of ring-type, described fixed
Sub- iron core has the multiple teeth formed at spaced intervals in the circumferential, and the stator winding is on each tooth by Wire-wound
And constitute；Rotor, it is arranged on the outside diameter of the stator in the way of surrounding stator and can rotate；And housing, its with
Outer peripheral face is arranged on the internal side diameter of the stator core with the mode that the inner peripheral surface of stator core is contacted, the stator core by
Radially it is divided into multiple segmentation iron core blocks to constitute, the electric rotating machine is characterised by, on each segmentation iron core block,
The iron core block groove of dove tail shape is formed with the axial direction in the periphery surface side of the housing, is formed on the housing
There is boss, the boss is prominent to footpath lateral direction, an end face with the axis direction of the stator core is opposed, described fixed
Another end face side of the axis direction of sub- iron core is provided with pressing component, the pressing component with the iron core block groove identical
There is pressing component groove on axis, relay part is embedded with the iron core block groove, the relay part has and the pressing
The terminal surface of the inclination plane-plane contact of part groove, fastens the pressing component and the segmentation iron core block along the axis direction
The reaction force in direction leads on the inside of the footpath from the inclined plane produced by the fastening force of the secure component on the boss
Cross the relay part each segmentation iron core block is pressed on the outer peripheral face of the housing.
In addition, the manufacture method of the electric rotating machine of the present invention possesses：Raw material are punched, formation is used as the segmentation iron core block
Component parts sheet steel plate portion process；The process for being laminated each sheet steel plate portion and forming the segmentation iron core block；
After each segmentation iron core block configuration is formed into segmentation iron core set of blocks body around the housing, by each segmentation iron core
The fastening tool of ring-type is embedded in segmentation iron core set of blocks by block relative to the mode that housing is pressed from outside diameter to internal side diameter
The process of body；By welding the process that adjacent each segmentation iron core block is joined to one another；Respectively by the relay part
Process in embedded each iron core block groove.
Invention effect
According to the electric rotating machine of the present invention, by using the fastening for the secure component being anchored on segmentation iron core block on housing
Adjacent each segmentation iron core block is bonded to each other by power, can simply enter joining line, manufacture efficiency is greatly improved.
In addition, according to the manufacture method of the electric rotating machine of the present invention, by the way that the fastening tool of ring-type is embedded in into segmentation iron core
Set of blocks body, can simply make gap of the stator with configuration between the rotor of the outside diameter of stator equal in the circumferential.
Brief description of the drawings
Fig. 1 is the structure chart of the lift appliance for the motor for being shown with embodiments of the present invention 1.
Fig. 2 is the upper half sectional view for the traction machine for showing Fig. 1.
Fig. 3 is along Fig. 2 III-III lines to regarding cut away view.
Fig. 4 is along Fig. 3 IV-IV lines to regarding cut away view.
Fig. 5 is the figure of situation for showing to be wrapped in coil portion on Fig. 3 segmentation iron core block.
Fig. 6 is along Fig. 3 line VI -- VI to regarding cut away view.
Fig. 7 is the sectional view of the 1st variation of the motor for showing embodiments of the present invention 1.
Fig. 8 is the sectional view of the 2nd variation of the motor for showing embodiments of the present invention 1.
Fig. 9 is the sectional view of the use state for the motor for showing Fig. 8.
Figure 10 is the stereogram of the variation for the relay part for showing embodiments of the present invention 1.
Figure 11 is the sectional view of the significant points for the motor for showing embodiments of the present invention 2.
Figure 12 is along Figure 11 XII-XII lines to regarding cut away view.
Figure 13 is the sectional view of the variation for the motor for showing embodiments of the present invention 2.
Figure 14 is the sectional view of the significant points for the motor for showing embodiments of the present invention 3.
Figure 15 is along Figure 14 XV-XV lines to regarding cut away view.
Figure 16 is the sectional view of the significant points for the variation for showing embodiments of the present invention 3.
Figure 17 is the sectional view of the significant points for the motor for showing embodiments of the present invention 4.
Figure 18 is along Figure 17 XVIII-XVIII lines to regarding cut away view.
Figure 19 is cuing open for the significant points of a process of the manufacture method for the motor for showing embodiments of the present invention 1
View.
Figure 20 is cuing open for the significant points of a process of the manufacture method for the motor for showing embodiments of the present invention 3
View.
Figure 21 is configuration diagram of the sheet steel plate portion of the embodiment 1 in blank operation in raw material.
Figure 22 is the figure of the laminated configuration for the sheet steel plate portion for showing embodiment 1.
Figure 23 is along Figure 22 XXIII-XXIII lines to regarding cut away view.
Figure 24 is the sheet steel plate portion of the examples different from the sheet steel plate portion of embodiment 1 in blank operation in former material
Configuration diagram in material.
Figure 25 is the figure for showing the configurations different from Figure 24 sheet steel plate portion.
Figure 26 is significant points when being laminated with the sheet steel plate portion of different thicknesss of slab respectively in adjacent segmentation iron core block
Sectional view.
Figure 27 is cuing open for the significant points when sheet steel plate portion of same plate thickness is laminated with adjacent segmentation iron core block
View.
Embodiment
Hereinafter, based on accompanying drawing, various embodiments of the present invention will be described, but in the various figures, to same or equivalent portion
Part, part mark identical label are illustrated.
Embodiment 1
Fig. 1 is the stereogram of the lift appliance 2 for the motor 1 for being shown with embodiments of the present invention 1.
The lift appliance 2 possesses：Traction machine 4, it has motor 1, rope sheave 3 and brake (not shown)；Rope 5, its
It is wound on rope sheave 3；Car 6, it is arranged on the one end of rope 5；With counterweight 7, it is arranged on the other end of rope 5.
In the lift appliance 2, by releasing the braking of brake, and drive motor 1, rotate rope sheave 3, by
This, car 6 and counterweight 7 are lifted with bucket type.
In addition, being powered by cutting off to motor 1, and brake is driven, thus, car 6 and counterweight 7 stop and protected
Hold.
Fig. 2 is the upper half sectional view for the traction machine 4 for showing Fig. 1.
The motor 1 of the traction machine 4 possesses：The housing 9 of drum；On fixing axle 10, its centrally disposed axis；Shell
Body 8, it links the fixing axle 10 and housing 9；Stator 11, it is arranged on the outer peripheral face of housing 8；With rotor 12, it is with bag
The mode enclosed stator 11 and can rotated is arranged on the outside diameter of the stator 11.Here, housing 9, fixing axle 10 and the one of housing 8
Ground is formed.
Stator 11 possesses：Stator core 13, it is configured to inner peripheral surface and contacted throughout complete cycle with the outer peripheral face of housing 8；
With stator winding 14, it is wrapped on stator core 13.
Rotor 12 possesses：The rotor core 15 of drum；With multiple permanent magnets 16, its circumferentially spaced compartment of terrain is consolidated
On the inner peripheral surface for being scheduled on the rotor core 15.
The brake 17 of traction machine 4 is arranged on housing 9, and with the brake block 18 in face of rotor core 15.
The rope sheave 3 of traction machine 4 has：Boss 20, it is arranged on fixing axle 10 via bearing 19 in the way of rotating freely
On；Wheel rim 22, it extends in the axial direction from the side of rotor core 15, and is formed with outer peripheral face grooving 21；With rib 23,
It links up wheel rim 22 with boss 20.
On the traction machine 4, by being powered to stator winding 14, make stator 11 produce rotating excitation field, rotor 12 and with
The rope sheave 3 of the one of rotor 12 is rotated in linkage with the rotating excitation field.
On the other hand, in brake 17, while energization of the cut-out to stator winding 14, the pressing rotor of brake block 18
The outer peripheral face of iron core 15, the rotation of rotor 12 stops.
Fig. 3 is along the III-III lines of Fig. 2 stator 11 to regarding cut away view.
The stator core 13 of stator 11 makes sheet steel plate portion be laminated and constitute in the axial direction.
The stator core 13 has：The iron core back 24 of ring-type, it is fixed on housing 8；With tooth 25, its in the circumferential every
Open at equal intervals, and it is radially projecting from the iron core back 24.Each tooth 25 is used as stator winding 14 provided with winding wire
Component parts coil portion 26.
The stator core 13 is made up of the multiple segmentation iron core blocks 27 separated according to each tooth 25.
In the inner circumferential side of each segmentation iron core block 27 and the side of circumference is provided with connector portions 28, it is by adjacent segmentation iron core block
27 is rotatably connected to each other.
In addition, being formed with the iron in the dove tail shape of the side opening of outer peripheral face 43 of housing 8 on each segmentation iron core block 27
Pellet groove 29.Relay part 30 is embedded with the iron core block groove 29.It is formed with and is provided as tightly in the outside diameter of iron core block groove 29
Gu the bolt hole 31 of the bolt-through of part.
Fig. 4 is along the IV-IV lines of Fig. 3 connector portions 28 to regarding cut away view.
Segmentation iron core block 27 is alternately laminated and constitute by the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33.
The 1st sheet steel plate portion 32 internal side diameter and be formed with jog 34 in circumferential side.In the 2nd sheet steel plate portion
33 inner circumferential side and it is also formed with jog 34 in circumferential opposite side.1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 with
The mode that respective jog 34 coordinates is laminated in the axial direction.
1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 are rotated centered on the jog 34 of connector portions 28.
Also, the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 can also be per multiplely alternately laminated respectively.
Fig. 5 is to show coil portion 26 being wrapped in the figure of the situation of Fig. 3 segmentation iron core block 27.
When carrying out the package, adjacent segmentation iron core block 27 is rotated centered on connector portions 28, the groove gap between tooth 25
35 circumferential dimension enlargement.
Therefore, by the mouth 36 as winding tool, Wire-wound is formed coil portion 26 and is easier on tooth 25,
Highdensity stator winding 14 can be produced.
Fig. 6 is along the line VI -- VI of Fig. 3 segmentation iron core block 27 to regarding cut away view.
The boss 37 that oriented footpath lateral direction is protruded is formed on housing 8.The boss 37 is in face of each segmentation iron core block 27
The inside diameter of side (side opposite with rope sheave 3).Enclosure slot 39 is formed with the boss 37, itself and segmentation iron core block 27
Iron core block groove 29 on the same axis, and has inclined plane 38 in inboard face.
In the inclined insertion iron core block of relay part 30 groove 29 of terminal surface 40.The terminal surface 40 and housing of the relay part 30
The face of inclined plane 38 contact of groove 39, in addition, the face of the side opposite with terminal surface 40 of the relay part 30 and iron core block groove 29
The inboard face of vertical plane 41 contact.
In addition, the bolt 42 for being screwed together in the secure component on the boss 37 of housing 8 as terminal part runs through segmentation iron core block
27 bolt hole 31.
Now, due to bolt 42 axis direction fastening force, in the inclined plane 38 of enclosure slot 39, along arrow a side
To producing in reaction force, the reaction force, (arrow b) component acts on relay part 30 in footpath inner side direction.
Therefore, because the relay part 30 insertion dove tail shape iron core block groove 29 in, therefore, the component directly as
The power that segmentation iron core block 27 is pressed against on the outer peripheral face 43 of housing 8 works.
In addition, in figure 6, although there is gap 44 between boss 37 and segmentation iron core block 27, but by the gap
The circular pad (not shown) of sandwiched thin plate makes gap 44 disappear in 44, thus, it is possible to obtain following such effects.
That is, by means of the driving of motor 1, relative to the torque worked along the direction of rotation of rotor 12, in segmentation iron
On pellet 27 effectively reaction force is used as along the direction effect opposite with the direction of rotation of rotor 12.Housing 8 is utilized via pad
Boss 37 can also support the reaction force, correspondingly, reaction force is disperseed, and the reaction force for acting on relay part 30 subtracts
It is small, the miniaturization of relay part 30 can be realized.
So, by using the fastening force and relay part 30 of bolt 42, to the stator core 13 of the motor 1 of outward turning type
Each radially inward of segmentation iron core block 27 force and be fixed on the outer peripheral face 43 of housing 8, can be simply by stator
Iron core 13 is combined with housing 8, and compared with conventional electric rotating machine, manufacture efficiency is greatly improved.
In addition, the gap produced in the circumference of adjacent segmentation iron core block 27 can be suppressed, and ensure the property of motor 1
Energy.
It is fixed on housing 8, by the fastening force of adjustment bolt 42, can simply obtains in addition, stator 11 is bolted 42
Obtain required fixing intensity.
Fig. 7 is the sectional view of the 1st variation of the motor 1 for showing embodiment 1.
In the variation, iron core block groove 29 is formed throughout the total length of the axis direction of segmentation iron core block 27.In this
After on part 30, the center line C using segmentation iron core block 27 is formed with thin end difference in the side opposite with terminal surface 40 as boundary
46。
Iron core block groove 29 is formed in axis direction in the way of the inwall plane-plane contact of the end difference 46 and iron core block groove 29
On.
It is identical with Fig. 6 motor 1 in the 1st variation, on relay part 30, by being produced along arrow b direction
The distance between center line C of the component in direction, the application point with the component and segmentation iron core block 27 L product on the inside of raw footpath,
Produce the 1st torque counterclockwise in the figure 7.
Relative to the 1st torque, at the end difference 46 of relay part 30, from the inwall of iron core block groove 29 towards arrow c
Direction by reaction force, and produce the 2nd torque for offsetting the 1st torque.
Therefore, in the variation, segmentation iron core block 27 can be firmly secured on housing 8, in addition, it is possible to increase
The tightening operation fastened using bolt 42.
Fig. 8 is the sectional view of the 2nd variation of the motor 1 for showing embodiment 1.
In the variation, in the end face and iron core block groove 29 of the side opposite with terminal surface 40 of relay part 30
Elastomeric element 47 is folded between the vertical plane 41 of side.
In the case of Fig. 6 motor 1, the gap 44 between boss 37 and segmentation iron core block 27 is by relay part 30
Total length determines, for being contacted at the internal diameter position of segmentation iron core block 27 with the face of boss 37 in the state of by 27 groups of segmentation iron core block
Loaded on there is difficulty for housing 8.
In this regard, in the 2nd variation, the gap produced for the deviation of the axis direction due to relay part 30
44, by sandwiched elastomeric element 47, the deviation can be absorbed, gap 44 will not be produced.
That is, by tightening bolt 42, so that overcoming the elastic force of elastomeric element 47 makes segmentation iron core block 27 close to the convex of housing 8
Platform 37, as shown in figure 9, gap 44 can be eliminated so that segmentation iron core block 27 in the state of being contacted with the face of boss 37 by spiral shell
Bolt 42 is fastened on housing 8.
As a result, without the sandwiched pad between boss 37 and segmentation iron core block 27, it becomes possible to make the boss 37 of housing 8
Also the reaction force to segmentation iron core block 27 produced by the driving of motor 1 is supported, correspondingly, reaction force is divided
Dissipate, the reaction force for acting on relay part 30 reduces, and can realize the miniaturization of relay part 30.
In addition, though the terminal part of each relay part 30 is accommodated in each enclosure slot 39 respectively, but as shown in Figure 10, also may be used
So that multiple relay parts 30 to be linked together by linking part 48.In this case, linking part 48 is accommodated in enclosure slot 39,
Contacted and inclined terminal surface 49 with the face of inclined plane 38 of enclosure slot 39 in addition, being formed with the linking part 48.
In addition, the linking part 48 can also be the linking part of the ring-type formed throughout complete cycle.
In addition, by sandwiched relay part 30, a part for the fastening force of the axis direction of bolt 42 is used as internal diameter direction
Power work, each segmentation iron core block 27 can be pressed and be fixed on the outer peripheral face 43 of housing 8, accordingly it is also possible to be not have
For by the stator core of adjacent segmentation iron core block 27 connector portions 28 connected to each other.
In this case, can not be by by joint when coil portion 26 is wrapped in each tooth 25 for Wire-wound
The adjacent tooth 25 that portion 28 links intrusively carries out winding operation.
Embodiment 2
Figure 11 is the sectional view (corresponding to Fig. 3) of the significant points for the motor 1 for showing embodiments of the present invention 2, figure
12 be along Figure 11 XII-XII lines to regarding cut away view.
In this embodiment, the iron core block groove 29 of dove tail shape throughout the endlong formation of axis direction in each segmentation
On iron core block 27.In addition, the outside diameter in the iron core block groove 29 is formed with the hole 31 that confession bolt 42 runs through.
Pressing component 50 is provided between the head of segmentation iron core block 27 and bolt 42, the pressing component 50 circumferentially prolongs
Extend in the circumferential equivalent to 3 teeth 25 amount region.
Pressing component groove 52 is formed with the pressing component 50, the iron core of the pressing component groove 52 and segmentation iron core block 27
Block groove 29 has inclined plane 51 on the same axis and in inboard face, and in the side opening of outer peripheral face 43.In pressing component groove 52
Outside diameter be formed with the bolt hole 53 run through for bolt 42.
The relay part 30 with inclined terminal surface 56 is embedded with iron core block groove 29.The end of the relay part 30
Face 56 is contacted with the face of inclined plane 51 of pressing component groove 52, the vertical plane of the side opposite with terminal surface 56 of the relay part 30
54 contact with the internal diameter side face of all sides 55 of boss 37.
Bolt 42 is screwed together in through the bolt hole 53 of pressing component 50 and the bolt hole 31 of segmentation iron core block 27, its terminal part
The boss 37 of housing 8.
According to the motor 1 of the embodiment, the fastening force of bolt 42 passes through the relay with inclined terminal surface 56
Part 30, works as the reaction force of the internal diameter direction shown in arrow b.
Because relay part 30 is embedded in the iron core block groove 29 of dove tail shape, therefore its reaction force passes through relay
Part 30 is transferred to segmentation iron core block 27, and segmentation iron core block 27 is pressed on the outer peripheral face 43 of housing 8, can suppress circumferential upper phase
The gap produced in the circumference of adjacent segmentation iron core block 27, the performance of motor 1 is improved.
In addition, the length of the axis direction on each relay part 30, although make same axis in units of pressing component 50
The relay part 30 of line direction length aligns, but there is the relay part 30 that different length is used on other pressing components 50
Situation.
In this case, in units of each pressing component 50, the inclined plane 51 and each relaying of each pressing component 50 are made
The inclined terminal surface 56 of part 30 is abutted, so as to which above-mentioned reaction force is transferred into housing 8 by each relay part 30
Outer peripheral face 43.
In addition, in the case of the motor 1 of embodiment 1, on segmentation iron core block 27, not throughout axis direction
Endlong form the iron core block groove 29 of same shape.
In this regard, according to the motor 1 of the embodiment 2, the inclined plane 51 contacted with the face of terminal surface 56 of relay part 30
Formed in the pressing component groove 52 of pressing component 50, in segmentation iron core block 27, throughout being endlong formed with for axis direction
The iron core block groove 29 of dove tail shape.
That is, the quantity of blanking die of the sheet steel plate portion 32,33 of segmentation iron core block 27 is constituted for formation with being used for shape
Into the sheet steel plate portion of the segmentation iron core block 27 of embodiment 1 blanking die quantity compared to relatively can be less, reduce system
This is caused, in addition, operability is improved.
Alternatively, it is also possible to use pressing component 50 in units of each segmentation iron core block 27, in the axle of each relay part 30
In the case of the total length identical in line direction, each pressing component 50 can also be linked up to the part to form ring-type.
In addition, the total length by determining relay part 30, the face and the face of boss 37 that can make segmentation iron core block 27 connects
Touch, and another face is contacted with the face of pressing component 50.
In addition, according to the total length of relay part 30, in the case of producing gap between boss 37 and segmentation iron core block 27,
When carrying out assembling work, operator can also be such that segmentation iron core block 27 is contacted with the face of boss 37.
Alternatively, it is also possible to make the elastomeric element 47 shown in Fig. 8 be folded between relay part 30 and boss 37.
Alternatively, it is also possible to which multiple relay parts 30 are linked up using the linking part 48 shown in Figure 10.
Figure 13 is the sectional view (corresponding with Figure 12) of the significant points for the variation for showing embodiment 2.
It is identical with embodiment 1 in the variation, it is formed with enclosure slot 39 in the internal diameter side of boss 37.
That is, the iron core block groove 29 of enclosure slot 39 as being formed with, the enclosure slot 39 and segmentation iron core block 27 is in same axle
On line, and there is inclined plane 38 in inboard face.
The one end of relay part 30 in iron core block groove 29, enclosure slot 39 and pressing component groove 52 is accommodated in is formed with
The terminal surface 56 contacted with the face of inclined plane 51, the cardinal extremity face 64 contacted with the face of inclined plane 38 is formed with the other end.
It is identical with the 1st variation (Fig. 7) of embodiment 1 in the variation, with the center line C of segmentation iron core block 27
For boundary, the 1st torque worked in the counterclockwise direction due to the component in direction on the inside of the footpath that is produced on arrow b direction with
The 2nd torque worked along clockwise direction due to the component in direction on the inside of the footpath that is produced on arrow c direction is offset.
Therefore, in the variation, segmentation iron core block 27 can be firmly secured on housing 8, in addition, it is possible to increase
The tightening operation fastened using bolt 42.
Embodiment 3
Figure 14 is the sectional view (corresponding with Fig. 3) of the significant points for the motor 1 for showing embodiments of the present invention 3, figure
15 be along Figure 14 XV-XV lines to regarding cut away view.
In this embodiment, the iron core block groove 29 of dove tail shape is crossed between adjacent segmentation iron core block 27 and shape
Into.
The depth of the iron core block groove 29 reaches the jog 34 of connector portions 28, in addition, its deep zones is in the axial direction extremely
Untill the midway of segmentation iron core block 27.In addition, on each segmentation iron core block 27, between adjacent iron core block groove 29, and supplying
Projection 57 is formed with the inside of the radial direction for the bolt hole 31 that bolt 42 runs through.
Be formed with enclosure slot 39 on the boss 37 of housing 8, the enclosure slot 39 and iron core block groove 29 on the same axis, and
There is inclined plane 38 in inboard face.
The inclined relay part 30 of terminal surface 40 is embedded in the iron core block groove 29.The terminal surface 40 of the relay part 30 with
The face of inclined plane 38 contact of enclosure slot 39, face and the iron core block groove 29 of the side opposite with terminal surface 40 of the relay part 30
The inboard face of vertical plane 41 contact.
Other structures are identical with the motor 1 of embodiment 1.
In motor 1 preferably, due to the fastening force of the axis direction of bolt 42, in the inclination of enclosure slot 39
On face 38, reaction force is generated along arrow a direction, due to direction on the inside of footpath in the reaction force (arrow b) component,
Segmentation iron core block 27 is pressed against on the outer peripheral face 43 of housing 8 via relay part 30.
According to the motor 1 of the embodiment, iron core block groove 29 is formed across between adjacent segmentation iron core block 27,
Relay part 30 is embedded with the iron core block groove 29.
Therefore, when 1 segmentation iron core block 27 is rotated centered on connector portions 28, pass through what is exerted a force to direction on the inside of footpath
2 relay parts 30 prevent the rotation, therefore, compared with the motor 1 of embodiment 1, can further suppress adjacent
Segmentation iron core block 27 is separated each other.
That is, ensure that stator 11 relative to housing 8 fixing intensity while, adjacent circumferential each segmentation iron core block
Fixing intensity between 27 increases than the fixing intensity of embodiment 1.
Figure 16 is the sectional view of the significant points for the variation for showing the embodiment.
In the variation, the connector portions 28 of segmentation iron core block 27 are formed than position of the iron core block groove 29 by the outside of radial direction
Put.
It is different from Figure 15 connector portions in the variation, because connector portions 28 form the axis in segmentation iron core block 27
The gamut in direction, therefore, when implementing Wire-wound in winding process on tooth 25, segmentation iron core block 27 is with connector portions
Swimmingly rotated centered on 28, therefore, winding operation is improved.
Embodiment 4
Figure 17 is the sectional view (corresponding with Figure 11) of the significant points for the motor 1 for showing embodiments of the present invention 4, figure
18 be along Figure 17 XVIII-XVIII lines to regarding cut away view.
In this embodiment, the iron core block groove 29 of dove tail shape is crossed between adjacent segmentation iron core block 27 and shape
Into.
The connector portions 28 of segmentation iron core block 27 are formed than position of the iron core block groove 29 by the outside of radial direction.
In addition, on each segmentation iron core block 27, between adjacent iron core block groove 29, and in the bolt run through for bolt 42
Projection 57 is formed with the inside of the radial direction in hole 31.
Pressing component 50 is provided between the head of segmentation iron core block 27 and bolt 42, the pressing component 50 circumferentially prolongs
Extend in the circumferential equivalent to 3 teeth 25 amount region.
Pressing component groove 52 is formed with the pressing component 50, the iron core of the pressing component groove 52 and segmentation iron core block 27
Block groove 29 on the same axis, and has inclined plane 51 in inboard face.It is formed with the outside diameter of pressing component groove 52 and supplies bolt
42 bolts hole 31 run through.
In the inclined insertion iron core block of relay part 30 groove 29 of terminal surface 56.The terminal surface 56 of the relay part 30 and pressing
The face of inclined plane 51 contact of part groove 53, the face of the side opposite with terminal surface 56 of the relay part 30 and the week side of boss of boss 37
The internal diameter side face contact in face 55.
Bolt 42 is screwed together in through the bolt hole 53 of pressing component 50 and the bolt hole 31 of segmentation iron core block 27, its terminal part
The boss 37 of housing 8.
According to the motor 1 of the embodiment, iron core block groove 29 is formed across between adjacent segmentation iron core block 27, and
Relay part 30 is embedded with the iron core block groove 29 of the dove tail shape, therefore, it is possible to obtain the motor with embodiment 3
1 identical effect.
In addition, formed with the inclined plane 51 that the face of terminal surface 56 of relay part 30 is contacted on pressing component 50, and segmentation
Iron core block 27 is throughout the iron core block groove 29 that section is dove tail shape is endlong formed with, therefore, it is possible to obtain and embodiment 2
The identical effect of motor 1.
In addition, the variation of embodiment 2 that also can be shown in application drawing 13 in motor 1 preferably.
That is, there is the enclosure slot 39 of inclined plane 38 by forming inboard face in the internal diameter side of boss 37, is being embedded in
The terminal surface 40 that the one end formation of relay part 30 in iron core block groove 29 is contacted with the face of inclined plane 38, is formed in the other end
The terminal surface 56 contacted with the face of inclined plane 51, thereby, it is possible to obtain the variation identical effect with embodiment 2.
Below, the manufacture method to the motor 1 of embodiment 1 is illustrated.
On the motor 1, each segmentation iron core block 27 is configured around housing 8, segmentation iron core set of blocks body is formed,
Then, as shown in figure 19, by each segmentation iron core block 27 relative to the mode that housing 8 is pressed from outside diameter to internal side diameter,
Ring 58 as fastening tool is embedded in segmentation iron core set of blocks body.
Next, adjacent each segmentation iron core block 27 is joined to one another by welding.
Hereafter, after ring 58 is unloaded, relay part 30 is respectively embedded into each iron core block groove 29, then, by bolt 42
Bolt hole 31 is inserted, and is screwed together in boss 37, thus, stator core 13 housing 8 is anchored on.
In addition, Figure 20 is the sectional view of the significant points for a manufacturing process for showing the motor 1 shown in Figure 16, manufacture
Method is identical with Figure 19 manufacture method.
Also, as fastening tool, for example, collet chuck can also be used to replace ring.
In this embodiment, in relay part 30 before insertion process, the fastening process of bolt 42, enter to be about to ring 58
The insertion process of embedded segmentation iron core set of blocks body, making the outer peripheral face of stator core 13 turns into positive round, thereby, it is possible to simply make
Gap of the stator 11 with configuration between the rotor 12 of the outside diameter of stator 11 is equal in the circumferential, can reduce motor 1
Torque pulsation.
In addition, as shown in figure 21, the sheet steel plate portion 32,33 of embodiment 1 is configured in the original as tabular light sheet material
On material 59.
Raw material 59 are punched using diel, sheet steel plate portion 32,33 is scaled off.
On the raw material 59 of the banding pulled out from plate is rolled along arrow d direction, alternately formed along arrow d direction
There are the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33.1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 respectively along and arrow
The head d vertical direction in direction is configured to a row and adjacent iron core back part 24A is in contact with each other.
1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 are alternately laminated via jog 34, landform as shown in figure 22
As arc-shaped, so as to produce stator core 13.
In fig. 22, on the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 shown in solid, root shown in dotted line
According to representing being understood to Figure 23 regarding cut away view along Figure 22 XXIII-XXIII lines, in the circumferential the 1st adjacent sheet steel plate portion
32 generate a gap 61 respectively each other and between circumferential the 2nd adjacent sheet steel plate portion 33.
The gap 61 becomes larger along footpath lateral direction.
Also, the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 can also be per multiplely alternately laminated respectively.
In the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33, dysgenic connector portions 28 will be produced to magnetic circuit
Formed in the internal side diameter of the relatively low stator core 13 of magnetic flux density, i.e. than position of the bolt hole 31 by internal side diameter, it is suppressed that joint
Harmful effect of the portion 28 to magnetic circuit.
In addition, the yield rate in order to improve raw material 59, is configured to each the 1st sheet steel plate portion 32 and the 2nd of a row
Sheet steel plate portion 33 is still, as shown in figure 23, adjacent in the circumferential to be configured by way of iron core back part 24A contacts
1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 can produce gap 61 respectively.
But, because the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 are laminated with contacting with each other in the axial direction, because
This, can suppress the magnetic resistance increase of the stator core 13 caused by gap 61.
In addition, in order that not producing gap in circumferential the 1st adjacent sheet steel plate portion 32 and the 2nd sheet steel plate portion 33
61, the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 are configured as shown in Figure 24.
That is, the position of outside diameter is being leaned on than bolt hole 31 by the way that connector portions 28 are formed, is being consequently formed very close to each other 61
Stator core 13.
But, in the case of that construction, magnetic circuit is produced dysgenic connector portions 28 formed magnetic flux density compared with
The outside diameter of the bolt hole 31 of high stator core 13, in addition, respective in the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33
Internal side diameter be formed with gap, compared with Figure 21 structure, the yield rate of raw material 59 is low.
Even also, without connector portions 28 and shape identical thin plate steel plate, can also be made without point in gap 61
Cut iron core back.
Figure 25 is the configuration diagrams different from the 1st sheet steel plate portion 32, the 2nd sheet steel plate portion 33 shown in Figure 24.
In this example, the identical the 1st of reversion is configured between each teeth portion 25A of the 1st adjacent sheet steel plate portion 32
The teeth portion 25A of sheet steel plate portion 32.
In this example, compared with Figure 24 structure, the yield rate of thin plate steel plate materialses is improved.
In the case of Figure 21, Figure 24 and Figure 25 sheet steel plate portion 32,33, in the former material of the banding pulled out from plate is rolled
On material 59, the thickness of slab along the raw material 59 width W direction vertical with arrow d direction is become in the way of gradually increasing or decreasing
Change.
Therefore, a segmentation iron core block 27 being laminated by the 1st sheet steel plate portion 32 and with the segmentation iron core block 27
Between another adjacent segmentation iron core block 27, the raw material of the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33 are being punched out
In the case of there is very big difference on 59 width W directions, as shown in figure 26, in the axial direction, by adjacent segmentation
Step difference 62 can be produced on the weld part 63 that iron core block 27 is welded to each other.
In this case, after by welding and being fixed to one another segmentation iron core block 27, when using bolt 42 relative to shell
When body 8 is fixed, due to generating step difference 62 in weld part 63, act on weld part 63 accordingly, there exist excessive power and
Weld part 63 is caused to be destroyed, the possibility of the fastening force reduction of bolt 42.
In this regard, by the width W side for the raw material 59 for being punched out the 1st sheet steel plate portion 32 and the 2nd sheet steel plate portion 33
The raw material (the equal raw material of the thicknesss of slab of raw material 59) of same area are used up, can be reduced adjacent segmentation iron core
The step difference 62 at weld part 63 that block 27 is welded to each other, preventing the fastening force of bolt 42 reduces.
In addition, in each embodiment, as electric rotating machine, being said to the motor of the traction machine of lift appliance
It is bright, but also can be using the present invention, in addition, being used as electric rotating machine, the present invention in the motor of other such as lathes
Generator can be applied to.
Label declaration
1：Motor；2：Lift appliance；3：Rope sheave；4：Traction machine；5：Rope；6：Car；7：Counterweight；8：Housing；9：Outside
Frame；10：Fixing axle；12：Rotor；13：Stator core；14：Stator winding；15：Rotor core；16：Permanent magnet；17：Braking
Device；18：Brake block；19：Bearing；20：Boss；21：Grooving；22：Wheel rim；23：Rib；24：Back unshakable in one's determination；24A：Back unshakable in one's determination
Portion；25：Tooth；25A：Teeth portion；26：Coil portion；27：Segmentation iron core block；28：Connector portions；29：Iron core block groove；30：Relay part；
31：Bolt hole；32：1st sheet steel plate portion；33：2nd sheet steel plate portion；34：Jog；35：Groove gap；36：Mouth；37：Boss；
38：Inclined plane；39：Enclosure slot；40：Terminal surface；41：Vertical plane；42：Bolt (secure component)；43：Outer peripheral face；44：Gap；
46：End difference；47：Elastomeric element；48：Linking part；49：Terminal surface；50：Pressing component；51：Inclined plane；52：Pressing component
Groove；53：Bolt hole；54：Vertical plane；55：All sides；56：Terminal surface；57：Projection；58：Ring；59：Raw material；61：Gap；
62：Step difference；63：Weld part；64：Cardinal extremity face.
Claims (13)
1. a kind of electric rotating machine, the electric rotating machine possesses：
Stator, it includes stator winding and the stator core of ring-type, and the stator core has interval landform in the circumferential
Into multiple teeth, the stator winding is to constitute Wire-wound on each tooth；
Rotor, it is arranged on the outside diameter of the stator in the way of surrounding stator and can rotate；With
Housing, it is arranged on the internal side diameter of the stator core in the way of outer peripheral face is contacted with the inner peripheral surface of stator core,
The stator core segmentation iron core block multiple by being radially divided into is constituted,
The electric rotating machine is characterised by,
On each segmentation iron core block, dove tail shape is formed with the axial direction in the periphery surface side of the housing
Iron core block groove,
Boss is formed with the housing, the boss is prominent to footpath lateral direction, with the axis direction of the stator core
One end face is opposed, and with the iron core block groove identical axis have enclosure slot,
Relay part is embedded with the iron core block groove, the relay part has and the inclination plane-plane contact of the enclosure slot
Terminal surface,
Segmentation iron core block is anchored on to the secure component on the boss along the axis direction by each segmentation iron core block
The reaction force in the inner side of the footpath from the inclined plane direction produced by fastening force will be each described point by the relay part
Iron core block is cut to be pressed on the outer peripheral face of the housing.
2. electric rotating machine according to claim 1, it is characterised in that
The relay part using the center line that the heart extends to vertical direction therefrom of the axis relative to the segmentation iron core block as
Boundary, thin end difference is formed with the side opposite with the terminal surface,
Suppressed at the end difference by the torque to being produced due to the reaction force on the terminal surface
Reaction force.
3. electric rotating machine according to claim 1 or 2, it is characterised in that
It is provided with the inboard of the side opposite with the terminal surface of the iron core block groove and the relay part is inclined to described
The elastomeric element of inclined-plane side force.
4. electric rotating machine according to claim 1 or 2, it is characterised in that
Multiple relay parts are linked up by the linking part being accommodated in the enclosure slot.
5. a kind of electric rotating machine, the electric rotating machine possesses：
Stator, it includes stator winding and the stator core of ring-type, and the stator core has interval landform in the circumferential
Into multiple teeth, the stator winding is to constitute Wire-wound on each tooth；
Rotor, it is arranged on the outside diameter of the stator in the way of surrounding stator and can rotate；With
Housing, it is arranged on the internal side diameter of the stator core in the way of outer peripheral face is contacted with the inner peripheral surface of stator core,
The stator core segmentation iron core block multiple by being radially divided into is constituted,
The electric rotating machine is characterised by,
On each segmentation iron core block, dove tail shape is formed with the axial direction in the periphery surface side of the housing
Iron core block groove,
Boss is formed with the housing, the boss is prominent to footpath lateral direction, with the axis direction of the stator core
One end face is opposed,
Another end face side of the axis direction of the stator core is provided with pressing component, the pressing component with the iron
There is pressing component groove on pellet groove identical axis,
Relay part is embedded with the iron core block groove, there is the relay part inclined plane face with the pressing component groove to connect
Tactile terminal surface,
The pressing component and the segmentation iron core block are anchored on to the secure component on the boss along the axis direction
The reaction force in the inner side of the footpath from the inclined plane direction produced by fastening force will be each described point by the relay part
Iron core block is cut to be pressed on the outer peripheral face of the housing.
6. electric rotating machine according to claim 5, it is characterised in that
Be formed with enclosure slot on the boss, the enclosure slot be located at on the iron core block groove identical axis and have and institute
The inclined plane of the cardinal extremity plane-plane contact of the opposite side of the terminal surface of relay part is stated,
Suppressed in the base end by the torque to being produced due to the reaction force on the terminal surface
Reaction force.
7. the electric rotating machine according to claim 5 or 6, it is characterised in that
It is provided with the inboard of the side opposite with the terminal surface of the iron core block groove and the relay part is inclined to described
The elastomeric element of inclined-plane side force.
8. the electric rotating machine according to claim 5 or 6, it is characterised in that
Multiple relay parts are linked up by the linking part being accommodated in the pressing component groove.
9. the electric rotating machine described in any one in claim 1,2,5 and 6, it is characterised in that
The iron core block groove is formed across the adjacent segmentation iron core block.
10. the electric rotating machine described in any one in claim 1,2,5 and 6, it is characterised in that
One end plane-plane contact of the boss and the axis direction of the stator core.
11. the electric rotating machine described in any one in claim 1,2,5 and 6, it is characterised in that
The electric rotating machine is the motor of the traction machine of lift appliance.
12. a kind of manufacture method of electric rotating machine, it is the electric rotating machine described in any one in claim 1,2,5 and 6
Manufacture method, it is characterised in that possess：
Be punched raw material, formed as the segmentation iron core block component parts sheet steel plate portion process；
The process for being laminated each sheet steel plate portion and forming the segmentation iron core block；
After each segmentation iron core block configuration is formed into segmentation iron core set of blocks body around the housing, by each segmentation
The fastening tool of ring-type is embedded in segmentation iron core block by iron core block relative to the mode that housing is pressed from outside diameter to internal side diameter
The process of aggregate；
By welding the process that adjacent each segmentation iron core block is joined to one another；With
The relay part is embedded in the process in each iron core block groove respectively.
13. the manufacture method of electric rotating machine according to claim 12, it is characterised in that
Each sheet steel plate portion be punched from the equal region of the thickness of slab of the raw material formed by.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/076220 WO2014057544A1 (en) | 2012-10-10 | 2012-10-10 | Rotating electrical machine and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104704712A CN104704712A (en) | 2015-06-10 |
| CN104704712B true CN104704712B (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280076348.8A Expired - Fee Related CN104704712B (en) | 2012-10-10 | 2012-10-10 | Electric rotating machine and its manufacture method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5805330B2 (en) |
| CN (1) | CN104704712B (en) |
| WO (1) | WO2014057544A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7122831B2 (en) * | 2018-02-07 | 2022-08-22 | 株式会社日立産機システム | Outer rotor type rotary electric machine |
| WO2020079757A1 (en) * | 2018-10-16 | 2020-04-23 | 三菱電機株式会社 | Rotating electric machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004173390A (en) * | 2002-11-19 | 2004-06-17 | Fuji Heavy Ind Ltd | Stator structure for rotating electric machine |
| CN1838509A (en) * | 2005-03-24 | 2006-09-27 | 株式会社一宫电机 | Rotating machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003169431A (en) * | 2001-11-29 | 2003-06-13 | Hitachi Ltd | Motor |
| JP2010098910A (en) * | 2008-10-20 | 2010-04-30 | Nishishiba Electric Co Ltd | Stator core of rotating electrical machine |
| JP2010114951A (en) * | 2008-11-04 | 2010-05-20 | Toyota Motor Corp | Electric motor |
-
2012
- 2012-10-10 JP JP2014540681A patent/JP5805330B2/en not_active Expired - Fee Related
- 2012-10-10 WO PCT/JP2012/076220 patent/WO2014057544A1/en active Application Filing
- 2012-10-10 CN CN201280076348.8A patent/CN104704712B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004173390A (en) * | 2002-11-19 | 2004-06-17 | Fuji Heavy Ind Ltd | Stator structure for rotating electric machine |
| CN1838509A (en) * | 2005-03-24 | 2006-09-27 | 株式会社一宫电机 | Rotating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014057544A1 (en) | 2014-04-17 |
| CN104704712A (en) | 2015-06-10 |
| JPWO2014057544A1 (en) | 2016-08-25 |
| JP5805330B2 (en) | 2015-11-04 |
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