CN106464075A - Rotating electrical machine - Google Patents
Rotating electrical machine Download PDFInfo
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- CN106464075A CN106464075A CN201480078929.4A CN201480078929A CN106464075A CN 106464075 A CN106464075 A CN 106464075A CN 201480078929 A CN201480078929 A CN 201480078929A CN 106464075 A CN106464075 A CN 106464075A
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- China
- Prior art keywords
- axle
- key
- keyway
- rotating machine
- electric rotating
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- 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
Abstract
This rotating electrical machine is provided with one end having a first shaft diameter and another end having a second shaft diameter greater than the first shaft size, a rotor being formed using a shaft (21) to one end of which a key groove (34) is provided, wherein the key groove (34) has: a shallow groove (341) as a key fitting groove of a first depth in which a key is fitted; and a deep groove (342) as a balance adjustment groove formed in a manner so as to have a second depth deeper than the first depth and resulting from a partial region of the bottom surface of the shallow groove (341) being dug deeper. Balance adjustment has already been implemented at the shaft (21) alone, so in addition to being able to reduce the man-hours involved in balance correction of the entire rotor, it is possible to prevent the key from inadvertently moving.
Description
Technical field
The present invention relates to a kind of electric rotating machine.
Background technology
In electric rotating machine, if the center of gravity of rotor deviates from rotary shaft, become the reason cause vibration etc., therefore need
Carry out high-precision balance to revise.The rotor of electric rotating machine is made up of axle, iron core, bearing etc., balance correction up to now
It is to be carried out as the method for weight etc. of counterweight by the riveting in end ring bonding part after completing rotor.
But, due to being modified the imbalance of the individual part such as axle, iron core together, therefore there are following problems, i.e.
Correction in rotor entirety increases, and work operations quantitative change is many.Further, since the increase of counterweight amount and counterweight phase
, also there is counterweight the problems such as come off in the deficiency of the riveting amount of companion.
In order to mitigate the balanced adjustment operation of rotor, the part existing for constituting rotor is balanced revising respectively in advance
Method, for example Patent Document 1 discloses following technology, i.e. in order to install fan, a part for outer peripheral face is being cut
Cut and be processed at plane axle, by with the partly roughly the same quality being eliminated by machining in the way of and axial symmetry
Machining is implemented on ground.
In addition, Patent Document 2 discloses the description below, i.e. with the telescoping part of the non-mounting portion of key and key
Set the size of keyway with respect to the mode of the sum of zero of the moment of rotating shaft center.
Patent documentation 1：Japanese Unexamined Patent Publication 2006-271107 publication
Patent documentation 2：Japanese Unexamined Patent Publication 2002-142395 publication
Content of the invention
In patent documentation 1, can be balanced adjusting with axle monomer, but need for this to add machining etc., exist
Work operations amount significantly increases such problem.In addition, in patent documentation 2, only just can be put down by keyway processing
Weighing apparatus adjustment, but the size of the part due to being installed to key can extend, it is taken as that there may be such as key unexpectedly living
Move such situation.
The present invention is exactly to propose in view of the foregoing, its object is to obtain a kind of electric rotating machine, this electric rotating machine
Have and balanced adjustment is completed with monomer and key is unlikely to unintentionally the axle of activity.
In order to solve above-mentioned problem, realize purpose, the electric rotating machine of the present invention forms rotor using axle, and this axle has
Have：One end, it has the 1st diameter of axle；And the other end, it has 2nd diameter of axle bigger than the 1st diameter of axle, at one end portion's setting
There is the 1st keyway, this electric rotating machine is characterised by, the 1st keyway has：The key embeded slot of the 1st depth, it carries out with key chimeric；
And balanced adjustment groove, it is formed as digging under a part of region of the bottom surface to key embeded slot is carried out, and has than the 1st depth depth
2nd depth.
The effect of invention
Electric rotating machine according to the present invention obtains following effects, i.e. due to completing balanced adjustment with axle monomer, therefore in energy
On the basis of enough reducing the workload that the balance in rotor entirety is revised, it is prevented from key unexpectedly movable.
Brief description
Fig. 1 is the figure of the section shape of embodiment 1 representing electric rotating machine according to the present invention.
Fig. 2 is the figure of the construction representing rotor.
Fig. 3 is the figure of the construction representing axle.
Fig. 4 is the enlarged drawing of the end of P side of the axle of the electric rotating machine that embodiment 1 is related to.
Fig. 5 is the enlarged drawing of the end of P side of the axle of the electric rotating machine that embodiment 1 is related to.
Fig. 6 is the enlarged drawing of the end of P side of the axle of the electric rotating machine that embodiment 1 is related to.
Fig. 7 is the enlarged drawing of the end of O side of the axle of the electric rotating machine that embodiment 1 is related to.
Fig. 8 is the enlarged drawing of the end of O side of the axle of the electric rotating machine that embodiment 1 is related to.
Fig. 9 is the enlarged drawing of the end of O side of the axle of the electric rotating machine that embodiment 1 is related to.
Figure 10 is the figure of the structure of the axle representing common electric rotating machine.
Figure 11 is the enlarged drawing of the end of O side of the axle of common electric rotating machine.
Figure 12 is the enlarged drawing of the end of O side of the axle of common electric rotating machine.
Figure 13 is the enlarged drawing of the end of O side of the axle of common electric rotating machine.
Figure 14 is the figure representing the state after being actually inserted into key in the keyway of the P side of the axle of common electric rotating machine.
Figure 15 is the figure representing the state after being actually inserted into key in the keyway of the P side of the axle of common electric rotating machine.
Figure 16 is the figure representing the state after being actually inserted into key in the keyway of the P side of the axle of common electric rotating machine.
Figure 17 is the figure representing the state after being actually inserted into key in the keyway of the O side of the axle of common electric rotating machine.
Figure 18 is the figure representing the state after being actually inserted into key in the keyway of the O side of the axle of common electric rotating machine.
Figure 19 is the figure representing the state after being actually inserted into key in the keyway of the O side of the axle of common electric rotating machine.
Figure 20 is the shape representing after being actually inserted into key in the keyway of the O side of the axle of the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 21 is the shape representing after being actually inserted into key in the keyway of the O side of the axle of the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 22 is the shape representing after being actually inserted into key in the keyway of the O side of the axle of the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 23 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 1 is related to.
Figure 24 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 1 is related to.
Figure 25 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 1 is related to.
Figure 26 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 1 is related to
The figure of the state after key.
Figure 27 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 1 is related to
The figure of the state after key.
Figure 28 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 1 is related to
The figure of the state after key.
Figure 29 is the enlarged drawing of the end of O side of the axle of embodiment 2 of electric rotating machine according to the present invention.
Figure 30 is the enlarged drawing of the end of O side of the axle of embodiment 2 of electric rotating machine according to the present invention.
Figure 31 is the enlarged drawing of the end of O side of the axle of embodiment 2 of electric rotating machine according to the present invention.
Figure 32 be the O side of the axle representing the embodiment 2 in electric rotating machine according to the present invention keyway in after insert key
State figure.
Figure 33 be the O side of the axle representing the embodiment 2 in electric rotating machine according to the present invention keyway in after insert key
State figure.
Figure 34 be the O side of the axle representing the embodiment 2 in electric rotating machine according to the present invention keyway in after insert key
State figure.
Figure 35 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 2 is related to.
Figure 36 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 2 is related to.
Figure 37 is the figure of another structure example of O side of the axle of the electric rotating machine representing that embodiment 2 is related to.
Figure 38 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 2 is related to
The figure of the state after key.
Figure 39 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 2 is related to
The figure of the state after key.
Figure 40 is to represent to insert in the keyway of the O side of another axle constructing of the electric rotating machine that embodiment 2 is related to
The figure of the state after key.
Specific embodiment
Below, based on accompanying drawing, the embodiment of electric rotating machine according to the present invention is described in detail.Additionally, this
Bright it is not limited to present embodiment.In addition, in the following description, axle and shaft coupling, machinery are linked and to rotation
Power carries out transmitting the initial of side draw " Power " and is labeled as P side, the opposition side with P side that axle is linked with external fan
The initial of " Opposite side " is taken to be labeled as O side.Keyway etc. is implemented at least side in P side and O side by the present invention
The axle of processing is as object.
In the present invention, respectively the part constituting rotor is balanced adjusting in advance.Especially, illustrate to be easiest to send out
The method that raw unbalanced axle is balanced adjusting.
Embodiment 1.
Fig. 1 is the figure of the section shape of embodiment 1 representing electric rotating machine according to the present invention.Electric rotating machine 1 by turn
Son 2 and stator 3 are constituted, and in the one side of rotor 2, are provided with external fan 4 to cool down to the heating of electric rotating machine 1.
In the outside of stator 3, bracket 5a, 5b and frame 6 are installed, in the outside of external fan 4, fan guard 7 are installed.
Fig. 2 is the figure of the construction representing rotor.Rotor 2 is to be constructed as below, i.e. the center of axle 21 break-through iron core 22, and it
By bearing 23a, 23b keep.Fig. 3 is the figure of the construction representing axle.In the P side of axle 21, shape undercuts and will be used for and shaft coupling, machine
The keyway 30 that the key that tool device links is inserted.In addition, in the O side of axle 21, also shape is undercuted and will be used for being linked with external fan 4
The keyway 34 that inserted of key.
In the present embodiment, the keyway 34 of the keyway 30 of P side and O side is arranged at contrary when observing from the center of axle
Side.Additionally, according to the difference of the length of axle, machining shape, the keyway 30 of P side and the keyway 34 of O side be likely to be configured without in
Become the position of opposition side from the center of axle when observing, but as long as be arranged at can obtain the position of balance can be it is also possible to partially
From the position becoming opposition side from the center of axle when observing.In the present embodiment, the axle of the diameters of axle ratio P side of the O side of axle 21
Footpath is little.Therefore, in the present embodiment, the diameter of axle of O side is the 1st diameter of axle, and the diameter of axle of P side is 2nd diameter of axle bigger than the 1st diameter of axle.
In addition, the 1st keyway in the end setting of the less side of diameter of axle is keyway 34, arrange in the end being relatively large in diameter a side
2nd keyway is keyway 30.
Fig. 4, Fig. 5 and Fig. 6 are the enlarged drawings of the end of P side of the axle of the electric rotating machine that embodiment 1 is related to, and Fig. 4 is
Top view, Fig. 5 is front view, and Fig. 6 is side view.Keyway 30 is formed by Milling Process, therefore the portion of the end of groove
Dividing is in R shape.
Fig. 7, Fig. 8 and Fig. 9 are the enlarged drawings of the end of O side of the axle of the electric rotating machine that embodiment 1 is related to, and Fig. 7 is
Top view, Fig. 8 is front view, and Fig. 9 is side view.Keyway 34 becomes following shape, i.e. by becoming the 1st of key embeded slot
A part of region of the bottom surface of shallow slot 341 of depth is dug under carrying out, thus having added deep trouth 342, this deep trouth 342 is as ratio the 1st
The balanced adjustment groove that the 2nd deep depth of depth and key will not enter.The depth of keyway 34 is arbitrary, but the width of shallow slot 341
The width W2 of W1 and deep trouth 342 is set to W1 ＞ W2.Additionally, being illustrated as in Fig. 7, Fig. 8 and Fig. 9, by the length of shallow slot 341
It is set to L1, when the length of deep trouth 342 is set to L2, L1 ＞ L2 is but it is also possible to be set to identical length (L1=L2) it is also possible to incite somebody to action
Shallow slot 341 lengthens (L1 ＜ L2).In addition, in Fig. 7, Fig. 8 and Fig. 9, process deep trouth 342 from the axle head of axle 21, but not
Necessarily must do so it is also possible to from the midway part of axle 21 arrange deep trouth 342 so that the end of axle 21 exist non-shape
The part of wrinkling 342.
Next, as the background technology of the feature for electric rotating machine of the present embodiment is described, to common
The axle of electric rotating machine illustrates.
Figure 10 is the figure of the structure of the axle representing common electric rotating machine.With regard to the axle of common electric rotating machine, from axle
Phase homonymy when the center of 21' is observed processes keyway 30 and keyway 31.
With regard to the construction of the P side of axle, the axle 21 of the electric rotating machine that embodiment 1 is related to and the axle of common electric rotating machine
21' has no special difference.That is, the P side in the axle 21' of common electric rotating machine is provided with and the construction phase shown in Fig. 4～Fig. 6
Same keyway 30.
Figure 11, Figure 12 and Figure 13 are the enlarged drawings of the end of O side of the axle of common electric rotating machine, and Figure 11 is to overlook
Figure, Figure 12 is front view, and Figure 13 is side view.In the O side of axle 21', implement the keyway 31 of monolayer identically with P side.
Figure 14, Figure 15 and Figure 16 be represent and be actually inserted into key in the keyway of the P side of the axle of common electric rotating machine after
State figure, Figure 14 be top view, Figure 15 be front view, Figure 16 be side view.Shape after key 32 is inserted into keyway 30
Under state, form the space 30a not filled by key 32.
Figure 17, Figure 18 and Figure 19 be represent and be actually inserted into key in the keyway of the O side of the axle of common electric rotating machine after
State figure, Figure 17 be top view, Figure 18 be front view, Figure 19 be side view.Shape after key 33 is inserted into keyway 31
Under state, form the space 31a not filled by key 33.
In order to cram the R shape of keyway 30,31, the front end geometry of key 32,33 sometimes also can be made to come to a point or be formed
R shape, but the numerous and diverse degree being typically due to process can increase, and therefore mostly uses rectangular shape as shown in Figure 14～Figure 19
Key 32,33.As a result, the imbalance of axle 21' is not become by space 30a, 31a of key 32,33 filling of rectangular shape will be because.
Identical with O side in P side in the size of the such as diameter of axle 21', the size of the key 32,33 of use is also identical such
In the case of, balance is not in by the moment of inertia with respect to rotary shaft of space 30a, 31a of key 32,33 filling, therefore only logical
Cross and be configured to be located at opposition side with respect to the center of axle by keyway 30,31 it becomes possible to obtain balance in P side and O side.In addition,
Even if in the case that the size of the diameter of axle 21', key 32,33 is slightly different, if be finely adjusted to the part of space 31a,
So that not becoming identical by the moment of inertia with respect to rotary shaft of space 30a, 31a of key 32,33 filling, then also can be same
Sample ground obtains balance.
But, generally in electric rotating machine, at P side with O side, the diameter of axle 21' is different, the size of the key 32,33 of use
Also different.In most cases, the axle that the diameter of axle using O side is little and key is also little, if only to Figure 17, Figure 18 and Figure 19
The size of the shown space 31a not filled by key 33 is finely adjusted, then be difficult to obtain the balance and the space 30a of P side between.
Therefore, in the present embodiment, still be there are the feelings of the link function of being realized using key 33 in the keyway 34 making O side
Under condition, it is changed to the shape that the space being used for obtaining balance is increased.
Figure 20, Figure 21 and Figure 22 are to represent actual in the keyway of the O side of the axle of the electric rotating machine that embodiment 1 is related to
The figure of the state after insert key, Figure 20 is top view, and Figure 21 is front view, and Figure 22 is side view.The space do not filled by key 33
The imbalance that 34a, 34b become axle 21 will be because.Space 34a is identical with the space 31a in Figure 17, Figure 18 and Figure 19, by setting
Put the deep trouth 342 as balanced adjustment groove such that it is able to be used in the space increase amount corresponding with space 34b obtaining balance,
P side can be made identical with respect to the moment of inertia of rotary shaft with O side.Additionally, the keyway shape of Fig. 7, Fig. 8 and Fig. 9 is edge
Depth direction is processed, be therefore the diameter of axle in O side relatively thick in the case of effective method.
Figure 23, Figure 24 and Figure 25 are another structure examples of the O side of the axle of the electric rotating machine representing that embodiment 1 is related to
Figure, Figure 23 be top view, Figure 24 be front view, Figure 25 be side view.In construction shown in Figure 23, Figure 24 and Figure 25,
The shape of keyway is different from the example shown in Fig. 7, Fig. 8 and Fig. 9.Keyway 35 becomes following shape, i.e. when observing from axle head
The position of the far-end of the proximal slot 351 as key embeded slot of proximally-located side, the balanced adjustment groove that will not enter as key and
Width carefully has added distal slot 352.The length of keyway 35 is arbitrary, but the width in proximal slot 351 when axle head is observed
I.e. the width of the 1st width W1 and distal slot 352 is that the width W2 of the 2nd groove is set to W1 ＞ W2.Additionally, in Figure 23, Figure 24 and figure
It is illustrated as in 25, when axle head is observed, the depth of proximal slot 351 is being set to D1, the depth of distal slot 352 is being set to the feelings of D2
Under condition, D1=D2 is but it is also possible to make distal slot 352 shoal (D1 ＞ D2).
Figure 26, Figure 27 and Figure 28 are the O sides of the axle of another construction representing the electric rotating machine being related in embodiment 1
Keyway in state after insert key figure, Figure 26 is top view, and Figure 27 is front view, and Figure 28 is side view.Do not filled out by key 33
The imbalance that space 35a, the 35b filling becomes axle 21 will be because.Space 31a in the space 35a and axle 21' of common electric rotating machine
Identical, by arranging distal slot 352 as balanced adjustment groove such that it is able to increase and space the space being used for obtaining balance
The corresponding amount of 35b, can make P side identical with respect to the moment of inertia of rotary shaft with O side.Additionally, Figure 23, Figure 24 and Figure 25
Shown keyway shape is processed forming vertically, is therefore effective method in the case that the O side of axle is longer.
Above embodiment 1 is illustrated, in the operation of the keyway processing of axle, by setting than for entering to key
The groove of the thinner width of the capable keyway installed is such that it is able to realize the balanced adjustment carrying out with axle monomer.In addition, in this processing
In, do not expand the size of the part that key is installed, thus without generation such situation as unexpectedly movable in key.
Due to changing the size in the space do not filled of the keyway of O side by key, shaft balancing is adjusted, therefore
The usage amount of counterweight can be reduced.Accordingly, it is difficult to occur caused due to coming off of counterweight electric rotating machine therefore
Barrier, is capable of the long lifetime of electric rotating machine.
Embodiment 2.
With regard to embodiment 1, it is necessary to make 2 different keyways of width in the operation of the keyway processing of axle.For this reason,
Need to prepare the different cutter of size in the Milling Process of keyway, numerous and diverse degree of operation increases.In embodiment 2, to profit
The method realized with the groove of same widths illustrates.
Figure 29, Figure 30 and Figure 31 are putting of the end of O side of the axle of embodiment 2 of electric rotating machine according to the present invention
Big figure, Figure 29 is top view, and Figure 30 is front view, and Figure 31 is side view.Keyway 36 becomes following shape, i.e. embedding as key
On the basis of closing the shallow slot 361 of the 1st depth of groove, with shallow slot 361 identical width, and deep with the deeper than the 1st depth the 2nd
Degree, is provided with deep trouth 362 as balanced adjustment groove.The depth of keyway 36 is arbitrary, but the length of shallow slot 361 is being set to
L1, when the length of deep trouth 362 is set to L2, is set to L1 ＞ L2.In embodiment 1, there is not limit in the length for keyway 36
System, but in embodiment 2, identical due to being set to the width of two grooves 361,362, therefore the length of keyway 36 is created
Limit.In addition, in order that key 33 is fixed it is impossible to deep trouth 362 is extended to end.That is, exist in the end of axle 21 and do not form depth
The part of groove 362, so that the depth in the end keyway 36 of axle 21 is the 1st depth.
Figure 32, Figure 33 and Figure 34 are the keys of the O side of the axle representing the embodiment 2 in electric rotating machine according to the present invention
The figure of the state after insert key in groove, Figure 32 is top view, and Figure 33 is front view, and Figure 34 is side view.Do not filled by key 33
The imbalance that space 36a, 36b become axle 21 will be because.Space 31a phase in the space 36a and axle 21' of common electric rotating machine
With by arranging deep trouth 362 as balanced adjustment groove such that it is able to increase and space 36b the space being used for obtaining balance
Corresponding amount, can make P side identical with respect to the moment of inertia of rotary shaft with O side.Additionally, Figure 29, Figure 30 and Figure 31 institute
The shape of the keyway 36 showing is processed forming along depth direction, is therefore effective in the case that the diameter of axle of O side is larger
Method.
Figure 35, Figure 36 and Figure 37 are another structure examples of the O side of the axle of the electric rotating machine representing that embodiment 2 is related to
Figure, Figure 35 be top view, Figure 36 be front view, Figure 37 be side view.Keyway 37 becomes following shape, i.e. seeing from axle head
The position of the far-end of the proximal slot 371 as key embeded slot of proximally-located side when examining, with proximal slot 371 identical width,
Add the distal slot 372 of the balanced adjustment groove that will not enter as key.That is, the width of proximal slot 371 is the 1st width and remote
The width of end slot 372 is that the 2nd width is set to same widths.The length of keyway 37 is arbitrary, but by the depth of proximal slot 371
It is set to D1, when the depth of distal slot 372 is set to D2, be set to D1 ＞ D2.In embodiment 1, the depth of keyway 37 is not deposited
In restriction, but in embodiment 2, identical due to being set to the width of the width of proximal slot 371 and distal slot 372, therefore right
The depth of keyway 37 creates restriction.
Figure 38, Figure 39 and Figure 40 are the O sides of the axle of another construction representing the electric rotating machine being related in embodiment 2
Keyway in state after insert key figure, Figure 38 is top view, and Figure 39 is front view, and Figure 40 is side view.Do not filled out by key 33
The imbalance that space 37a, the 37b filling becomes axle 21 will be because.Space 37a is identical with the space 31a in common electric rotating machine, leads to
Cross and distal slot 372 is set as balanced adjustment groove such that it is able to increase the space being used for obtaining balance corresponding with space 37b
Amount, P side can be made identical with respect to the moment of inertia of rotary shaft with O side.Additionally, shown in Figure 35, Figure 36 and Figure 37
The shape of keyway 37 is processed forming vertically, is therefore effective method in the case that the O side of axle is longer.
So, in the operation of the keyway processing of axle, by setting and the keyway same widths for being installed to key
Groove such that it is able to realize the balanced adjustment that carries out with axle monomer.In addition, in this processing, not expanding and key installed
Part size, thus without occur such situation as unexpectedly movable in key.And, because the width of two grooves is identical,
Therefore can be processed using the cutter of same size in the Milling Process of groove, work operations amount can be reduced.
Additionally, in the above description, show and carry out the bottom surface of chimeric groove in donating bond or far-end is provided with balance
The construction of adjustment tank is but it is also possible to this is respectively provided with balanced adjustment groove at two in the bottom surface of key embeded slot and far-end.I.e. it is also possible to lead to
Cross by the 1st balanced adjustment groove that arranges in the bottom surface of key embeded slot, key embeded slot far-end setting the 2nd balanced adjustment groove
The size of interblock space is changed, thus being adjusted to shaft balancing.
In addition, in the above description it is assumed that employing the axle that the diameter of axle is little and key is also little of O side one side, describing as follows
Method, i.e. be changed to be used for obtaining the shape that the space of balance increases at keyway in O side.But, employing P side one
It is also possible to same method be applied to the P side of axle in the case of axle that the diameter of axle is little and key is also little of side etc., it is changed in P side
Keyway at will be used for obtain balance space increase shape.
In addition, when machinery, external fan and axle are entered joining line, also countershaft leading section carries out D cutting sometimes, and
Carry out screw to fix.Tie different with being bonded in the case of D cutting, the imbalance of axle of partly all becoming after cutting will be because.
It is also possible to answer in the side of key processing in the case that the side in O side and P side carries out D cutting and opposite side carries out being bonded knot
With the method illustrated by above-mentioned embodiment 1,2, so that obtaining balance with the part after D cutting.
Industrial applicibility
As described above, electric rotating machine according to the present invention completes balanced adjustment with monomer and key is unlikely to unintentionally live having
Dynamic axle this point is useful.
The explanation of label
1 electric rotating machine, 2 rotors, 3 stators, 4 external fans, 5a, 5b bracket, 6 frames, 7 fan guards, 21,21' axle, 22 ferrum
Core, 23a, 23b bearing, 30,31,34,35,36,37 keyways, 30a, 31a, 34a, 34b, 35a, 35b, 36a, 36b, 37a, 37b
Space, 32,33 keys, 341,361 shallow slots, 342,362 deep trouths, 351,371 proximal slots, 352,372 distal slot.
Claims (6)
1. a kind of electric rotating machine, it forms rotor using axle, and this axle has：One end, it has the 1st diameter of axle；And it is another
End, it has 2nd diameter of axle bigger than described 1st diameter of axle, and described one end is provided with the 1st keyway, the spy of this electric rotating machine
Levy and be,
Described 1st keyway has：The key embeded slot of the 1st depth, it carries out with key chimeric；And balanced adjustment groove, it is formed as
Dig under a part of region of the bottom surface of this key embeded slot is carried out and there is 2nd depth deeper than described 1st depth.
2. electric rotating machine according to claim 1 it is characterised in that
Described balanced adjustment groove is same widths with described key embeded slot, in the depth of the described keyway of the end of described axle is
1st depth.
3. a kind of electric rotating machine, it forms rotor using axle, and this axle has：One end, it has the 1st diameter of axle；And it is another
End, it has 2nd diameter of axle bigger than described 1st diameter of axle, and described one end is provided with the 1st keyway, the spy of this electric rotating machine
Levy and be,
Described 1st keyway has：The key embeded slot of the 1st width, it carries out with key chimeric；And balanced adjustment groove, it is from this key
The far-end of embeded slot is risen along the axial direction of described axle and is extended to the 2nd width less than or equal to described 1st width described another
End side.
4. electric rotating machine according to claim 3 it is characterised in that
Described 2nd width is same widths with described 1st width, and this balanced adjustment groove is formed must be more shallow than described key embeded slot.
5. a kind of electric rotating machine, it forms rotor using axle, and this axle has：One end, it has the 1st diameter of axle；And it is another
End, it has 2nd diameter of axle bigger than described 1st diameter of axle, and described one end is provided with the 1st keyway, the spy of this electric rotating machine
Levy and be,
Described 1st keyway has：The key embeded slot of the 1st depth, it carries out with key chimeric；1st balanced adjustment groove, it is formed as right
A part of region of the bottom surface of this key embeded slot is dug under carrying out, and has 2nd depth deeper than described 1st depth；And the 2nd balance
Adjustment tank, its from the far-end of described key embeded slot along described axle axial direction and with wide less than or equal to the 2nd of described 1st width the
Degree extends to described the other end side.
6. electric rotating machine according to any one of claim 1 to 5 it is characterised in that
Described axle has the 2nd keyway in described the other end,
Described 1st keyway and described 2nd keyway symmetrically configure with respect to the center of described axle.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/063201 WO2015177836A1 (en) | 2014-05-19 | 2014-05-19 | Rotating electrical machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106464075A true CN106464075A (en) | 2017-02-22 |
| CN106464075B CN106464075B (en) | 2018-04-10 |
Family
ID=53537798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480078929.4A Expired - Fee Related CN106464075B (en) | 2014-05-19 | 2014-05-19 | Electric rotating machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5744347B1 (en) |
| CN (1) | CN106464075B (en) |
| WO (1) | WO2015177836A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251854A (en) * | 2006-06-26 | 2011-11-23 | 福博科技术公司 | Continuously variable transmission |
| CN102425649A (en) * | 2005-10-28 | 2012-04-25 | 福博科技术公司 | Electromotive drives |
| JP2013017276A (en) * | 2011-07-01 | 2013-01-24 | Toshiba Industrial Products Manufacturing Corp | Cooling fan for rotary electric machine and rotary electric machine |
| CN103081312A (en) * | 2011-03-02 | 2013-05-01 | 株式会社小松制作所 | Cooling mechanism for electric motor and electric motor |
| CN203339874U (en) * | 2013-07-24 | 2013-12-11 | 苏州库比克机器人有限公司 | Servo electric cylinder of high concentricity and transmission accuracy |
| CN105059463A (en) * | 2015-08-04 | 2015-11-18 | 苏州速蝶科技有限公司 | Integrated wheel and electric vehicle with integrated wheel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61141964U (en) * | 1985-02-21 | 1986-09-02 | ||
| JPS63161830A (en) * | 1986-12-22 | 1988-07-05 | Ebara Corp | Rotor for motor |
| JPH0237563U (en) * | 1988-08-30 | 1990-03-13 | ||
| JPH04341616A (en) * | 1991-05-20 | 1992-11-27 | Fuji Electric Co Ltd | Key device for rotary shaft |
| JPH05316684A (en) * | 1992-05-08 | 1993-11-26 | Hitachi Ltd | Rotating electric machine |
| JP2013009549A (en) * | 2011-06-27 | 2013-01-10 | Sumitomo Heavy Ind Ltd | Series of motor |
-
2014
- 2014-05-19 JP JP2014553007A patent/JP5744347B1/en not_active Expired - Fee Related
- 2014-05-19 CN CN201480078929.4A patent/CN106464075B/en not_active Expired - Fee Related
- 2014-05-19 WO PCT/JP2014/063201 patent/WO2015177836A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425649A (en) * | 2005-10-28 | 2012-04-25 | 福博科技术公司 | Electromotive drives |
| CN102251854A (en) * | 2006-06-26 | 2011-11-23 | 福博科技术公司 | Continuously variable transmission |
| CN103081312A (en) * | 2011-03-02 | 2013-05-01 | 株式会社小松制作所 | Cooling mechanism for electric motor and electric motor |
| JP2013017276A (en) * | 2011-07-01 | 2013-01-24 | Toshiba Industrial Products Manufacturing Corp | Cooling fan for rotary electric machine and rotary electric machine |
| CN203339874U (en) * | 2013-07-24 | 2013-12-11 | 苏州库比克机器人有限公司 | Servo electric cylinder of high concentricity and transmission accuracy |
| CN105059463A (en) * | 2015-08-04 | 2015-11-18 | 苏州速蝶科技有限公司 | Integrated wheel and electric vehicle with integrated wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5744347B1 (en) | 2015-07-08 |
| CN106464075B (en) | 2018-04-10 |
| JPWO2015177836A1 (en) | 2017-04-20 |
| WO2015177836A1 (en) | 2015-11-26 |
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