CN106464075B - Electric rotating machine - Google Patents
Electric rotating machine Download PDFInfo
- Publication number
- CN106464075B CN106464075B CN201480078929.4A CN201480078929A CN106464075B CN 106464075 B CN106464075 B CN 106464075B CN 201480078929 A CN201480078929 A CN 201480078929A CN 106464075 B CN106464075 B CN 106464075B
- Authority
- CN
- China
- Prior art keywords
- axle
- key
- keyway
- rotating machine
- electric rotating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of electric rotating machine, it forms rotor using axle (21), and the axle (21) has：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, and portion is provided with keyway (34) at one end, and keyway (34) has：The shallow slot (341) as key embeded slot of 1st depth, it carries out chimeric with key；And the deep trouth (342) as balanced adjustment groove, it is formed as carrying out lower digging to a part of region of the bottom surface of shallow slot (341), has 2nd depth deeper than the 1st depth.Due to completing balanced adjustment with axle (21) monomer, therefore on the basis of the workload of the balance amendment in can reducing rotor entirety, it can prevent that key is unexpectedly movable.
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, turn into the reason for causing vibration etc., therefore need
Carry out high-precision balance amendment.The rotor of electric rotating machine is made up of axle, iron core, bearing etc., balance amendment up to now
It is by riveting method of weight as counterweight etc. in end ring bonding part to carry out after rotor is completed.
But due to the imbalance of the individual parts such as axle, iron core being modified together, therefore following problems be present, i.e.
Correction increase in rotor entirety, work operations quantitative change are more.Further, since the increase of counterweight amount, with counterweight phase
The deficiency of the riveting amount of companion, the problems such as counterweight comes off also occurs.
In order to mitigate the balanced adjustment operation of rotor, exist and be balanced amendment in advance respectively for forming the part of rotor
Method, such as Patent Document 1 discloses following technologies, i.e. cuts a part for outer peripheral face in order to install fan
Cut and be processed at plane axle, and axial symmetry in a manner of the roughly the same quality in the part with being eliminated by machining
Implement machining in 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
The size of keyway is set relative to the mode of the sum of zero of the torque of rotating shaft center.
Patent document 1：Japanese Unexamined Patent Publication 2006-271107 publications
Patent document 2：Japanese Unexamined Patent Publication 2002-142395 publications
The content of the invention
In patent document 1, adjustment can be balanced with axle monomer, but need for this to add machining etc., existed
Work operations amount significantly increases the problem of such.In addition, in patent document 2, only can just be put down by keyway processing
Weighing apparatus adjustment, but the size of the part due to being installed to key can extend, and unexpectedly be lived it is taken as that there may be such as key
Dynamic 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, the electric rotating machine
With the axle that activity is unlikely to unintentionally with monomer completion balanced adjustment and key.
In order to solve above-mentioned problem, realize purpose, electric rotating machine of the invention forms rotor using axle, axle tool
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, and portion is set at one end
There is the 1st keyway, the electric rotating machine is characterised by, the 1st keyway has：The key embeded slot of 1st depth, it carries out chimeric with key；
And balanced adjustment groove, it is formed as carrying out lower digging to a part of region of the bottom surface of key embeded slot, has than the 1st depth depth
2nd depth.
The effect of invention
Electric rotating machine of the present invention obtains following effects, i.e. due to completing balanced adjustment with axle monomer, therefore in energy
On the basis of the workload for enough reducing the balance amendment in rotor entirety, it can prevent that key is unexpectedly movable.
Brief description of the drawings
Fig. 1 is the figure of the section shape for the embodiment 1 for representing electric rotating machine of the present invention.
Fig. 2 is the figure for the construction for representing rotor.
Fig. 3 is the figure for the construction for representing axle.
Fig. 4 is the enlarged drawing of the end of the P sides of the axle for the electric rotating machine that embodiment 1 is related to.
Fig. 5 is the enlarged drawing of the end of the P sides of the axle for the electric rotating machine that embodiment 1 is related to.
Fig. 6 is the enlarged drawing of the end of the P sides of the axle for the electric rotating machine that embodiment 1 is related to.
Fig. 7 is the enlarged drawing of the end of the O sides of the axle for the electric rotating machine that embodiment 1 is related to.
Fig. 8 is the enlarged drawing of the end of the O sides of the axle for the electric rotating machine that embodiment 1 is related to.
Fig. 9 is the enlarged drawing of the end of the O sides of the axle for the electric rotating machine that embodiment 1 is related to.
Figure 10 is the figure of the structure for the axle for representing common electric rotating machine.
Figure 11 is the enlarged drawing of the end of the O sides of the axle of common electric rotating machine.
Figure 12 is the enlarged drawing of the end of the O sides of the axle of common electric rotating machine.
Figure 13 is the enlarged drawing of the end of the O sides of the axle of common electric rotating machine.
Figure 14 is the figure for representing to be actually inserted into the state after key in the keyway of the P sides of the axle of common electric rotating machine.
Figure 15 is the figure for representing to be actually inserted into the state after key in the keyway of the P sides of the axle of common electric rotating machine.
Figure 16 is the figure for representing to be actually inserted into the state after key in the keyway of the P sides of the axle of common electric rotating machine.
Figure 17 is the figure for representing to be actually inserted into the state after key in the keyway of the O sides of the axle of common electric rotating machine.
Figure 18 is the figure for representing to be actually inserted into the state after key in the keyway of the O sides of the axle of common electric rotating machine.
Figure 19 is the figure for representing to be actually inserted into the state after key in the keyway of the O sides of the axle of common electric rotating machine.
Figure 20 is to represent the shape after being actually inserted into key in the keyway of the O sides of the axle for the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 21 is to represent the shape after being actually inserted into key in the keyway of the O sides of the axle for the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 22 is to represent the shape after being actually inserted into key in the keyway of the O sides of the axle for the electric rotating machine that embodiment 1 is related to
The figure of state.
Figure 23 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 1 is related to.
Figure 24 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 1 is related to.
Figure 25 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 1 is related to.
Figure 26 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 1 is related to
The figure of state after key.
Figure 27 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 1 is related to
The figure of state after key.
Figure 28 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 1 is related to
The figure of state after key.
Figure 29 is the enlarged drawing of the end of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention.
Figure 30 is the enlarged drawing of the end of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention.
Figure 31 is the enlarged drawing of the end of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention.
Figure 32 is represented in the keyway of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention after insert key
State figure.
Figure 33 is represented in the keyway of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention after insert key
State figure.
Figure 34 is represented in the keyway of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention after insert key
State figure.
Figure 35 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 2 is related to.
Figure 36 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 2 is related to.
Figure 37 is the figure of another structure example of the O sides for the axle for representing the electric rotating machine that embodiment 2 is related to.
Figure 38 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 2 is related to
The figure of state after key.
Figure 39 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 2 is related to
The figure of state after key.
Figure 40 is to represent to insert in the keyway of the O sides of the axle of another construction of the electric rotating machine that embodiment 2 is related to
The figure of state after key.
Embodiment
Below, the embodiment of electric rotating machine of the present invention is described in detail based on accompanying drawing.In addition, this hair
It is bright to be not limited to present embodiment.In addition, in the following description, by axle and shaft coupling, mechanical device link and to rotation
Power carries out the initial of transmission side draw " Power " and is labeled as P sides, by the opposite side with P sides linked with external fan of axle
Take " Opposite side " initial and be labeled as O sides.Keyway etc. is implemented at least side in P sides and O sides by the present invention
The axle of processing is as object.
In the present invention, adjustment is balanced in advance to the part for forming rotor respectively.Especially, illustrate to being easiest to send out
The method that raw unbalanced axle is balanced adjustment.
Embodiment 1.
Fig. 1 is the figure of the section shape for the embodiment 1 for representing electric rotating machine of the present invention.Electric rotating machine 1 is by turning
Son 2 and stator 3 are formed, in the one side of rotor 2, in order to which the heating to electric rotating machine 1 is cooled down and is provided with external fan 4.
Bracket 5a, 5b and frame 6 are installed in the outside of stator 3, fan guard 7 is installed in the outside of external fan 4.
Fig. 2 is the figure for the construction for representing rotor.Rotor 2 is to be constructed as below, i.e. the center of the break-through iron core 22 of axle 21, and it
By bearing 23a, 23b keep.Fig. 3 is the figure for the construction for representing axle.In the P sides of axle 21, shape undercut by for shaft coupling, machine
The keyway 30 that the key that tool device links is inserted.In addition, in the O sides of axle 21, also shape is undercuted for linking with external fan 4
The keyway 34 that is inserted of key.
In the present embodiment, the keyway 34 of the keyway 30 of P sides and O sides is arranged at opposite when from the center of axle
Side.In addition, according to the length of axle, the difference of machining shape, the keyway 30 of P sides and the keyway 34 of O sides may also be configured without in
, can also be inclined but as long as being arranged at the position that can most obtain balance as the position of opposite side when from the center of axle
As the position of opposite side during from from the center from axle.In the present embodiment, the axle of the diameters of axle ratio P sides of the O sides of axle 21
Footpath is small.Therefore, in the present embodiment, the diameter of axle of O sides is the 1st diameter of axle, and the diameter of axle of P sides is the 2nd diameter of axle bigger than the 1st diameter of axle.
In addition, the 1st keyway in the end set of the smaller side of diameter of axle is keyway 34, the end set of a side is being relatively large in diameter
2nd keyway is keyway 30.
Fig. 4, Fig. 5 and Fig. 6 are the enlarged drawings of the end of the P sides of the axle for the electric rotating machine that embodiment 1 is related to, and Fig. 4 is
Top view, Fig. 5 are front view, and Fig. 6 is side view.Keyway 30 is formed by Milling Process, therefore the portion of the end of groove
It is in R shapes to divide.
Fig. 7, Fig. 8 and Fig. 9 are the enlarged drawings of the end of the O sides of the axle for the electric rotating machine that embodiment 1 is related to, and Fig. 7 is
Top view, Fig. 8 are front view, and Fig. 9 is side view.Keyway 34 turns into following shape, i.e. by the 1st as key embeded slot
A part of region of the bottom surface of the shallow slot 341 of depth carries out lower digging, so as to as with 2nd depth and key bigger than the 1st depth
The balanced adjustment groove that will not enter and added deep trouth 342.The depth of keyway 34 be it is arbitrary, but the width W1 of shallow slot 341 and
The width W2 of deep trouth 342 relation is set to W1 ＞ W2.In addition, be illustrated as in Fig. 7, Fig. 8 and Fig. 9, by the length of shallow slot 341
Degree is set to L1, when the length of deep trouth 342 is set into L2, L1 ＞ L2, but identical length (L1=L2) can also be set to, can also
Shallow slot 341 is shortened (L1 ＜ L2).In addition, in Fig. 7, Fig. 8 and Fig. 9, deep trouth 342 is processed from the shaft end of axle 21, but
It not necessarily must so do, deep trouth 342 can also be set from the midway part of axle 21, to exist not in the end of axle 21
Form the part of deep trouth 342.
Next, the background technology as the feature for illustrating electric rotating machine of the present embodiment, to common
The axle of electric rotating machine illustrates.
Figure 10 is the figure of the structure for the axle for representing common electric rotating machine.On the axle of common electric rotating machine, from axle
Phase homonymy during 21' center observation processes keyway 30 and keyway 31.
On the construction of the P sides of axle, the axle 21 for 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, it is provided with the axle 21' of common electric rotating machine P sides 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 the O sides of the axle of common electric rotating machine, and Figure 11 is vertical view
Figure, Figure 12 is front view, and Figure 13 is side view.In axle 21' O sides, the keyway 31 of individual layer is implemented identically with P sides.
Figure 14, Figure 15 and Figure 16 are after representing to be actually inserted into key in the keyway of the P sides of the axle of common electric rotating machine
State figure, Figure 14 is top view, and Figure 15 is front view, and Figure 16 is side view.Shape after key 32 is inserted into keyway 30
Under state, the space 30a not filled by key 32 is formed.
Figure 17, Figure 18 and Figure 19 are after representing to be actually inserted into key in the keyway of the O sides of the axle of common electric rotating machine
State figure, Figure 17 is top view, and Figure 18 is front view, and Figure 19 is side view.Shape after key 33 is inserted into keyway 31
Under state, the space 31a not filled by key 33 is formed.
In order to cram the R shapes of keyway 30,31, the front end geometry of key 32,33 can be also set to come to a point or be formed sometimes
R shapes, but the numerous and diverse degree for being typically due to processing can increase, therefore mostly as shown in Figure 14~Figure 19 using rectangular shape
Key 32,33.As a result, space 30a, 31a for not filled by the key 32,33 of rectangular shape will be because as axle 21' imbalance.
Identical with O sides in P sides in the size of such as axle 21' diameter, the size of the key 32,33 used is also identical such
In the case of, space 30a, 31a for not filled by key 32,33 moment of inertia relative to rotary shaft are in balance, therefore only logical
Cross and be configured to be located at opposite side relative to the center of axle by keyway 30,31 in P sides and O sides, it becomes possible to obtain balance.In addition,
In the case that diameter, the size of key 32,33 even in axle 21' are slightly different, if be finely adjusted to space 31a part,
Become identical with space 30a, 31a for not filled by key 32,33 moment of inertia relative to rotary shaft, then also can be same
Obtain balance sample.
But generally in electric rotating machine, axle 21' diameter is different at P sides with O sides, the size of the key 32,33 used
Also it is different.In most cases, and key small using the diameter of axle of O sides also small axle, if only to Figure 17, Figure 18 and Figure 19
The shown space 31a not filled by key 33 size is finely adjusted, then is difficult to obtain the balance between the space 30a of P sides.
Therefore, in the present embodiment, make the keyway 34 of O sides that still there are the feelings for the link function of being realized using key 33
Under condition, it is changed to the increased shape in space for obtaining balance.
Figure 20, Figure 21 and Figure 22 are to represent actual in the keyway of the O sides of the axle for the electric rotating machine that embodiment 1 is related to
The figure of state after insert key, Figure 20 are 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 turn into axle 21 will be because.Space 34a is identical with the space 31a in Figure 17, Figure 18 and Figure 19, by setting
The deep trouth 342 as balanced adjustment groove is put, so as to be used in the space increase amount corresponding with space 34b for obtaining balance,
P sides can be made identical relative to the moment of inertia of rotary shaft with O sides.In addition, Fig. 7, Fig. 8 and Fig. 9 keyway shape are edges
What depth direction was processed, therefore be the effective method in the case where the diameter of axle of O sides is relatively thick.
Figure 23, Figure 24 and Figure 25 are another structure examples of the O sides for the axle for representing the electric rotating machine that embodiment 1 is related to
Figure, Figure 23 is top view, and Figure 24 is front view, and Figure 25 is side view.In the 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 has following shape, i.e. when from shaft end
Positioned at the position of the distal end of the proximal slot 351 as key embeded slot of proximal lateral, width carefully has added will not enter as key
Balanced adjustment groove distal slot 352.The length of keyway 35 is arbitrary, but when from shaft end proximal slot 351 width
That is the 1st width W1 and the width of distal slot 352 are that the 2nd width W2 is set to W1 ＞ W2.In addition, in Figure 23, Figure 24 and Figure 25
It is illustrated as, the depth of proximal slot 351 is set to D1 when from shaft end, in the case that the depth of distal slot 352 is set into D2,
D1=D2, but distal slot 352 can also be made to shoal (D1 ＞ D2).
Figure 26, Figure 27 and Figure 28 are the O sides of the axle of another construction of the electric rotating machine for representing to be 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 filled turns into axle 21 will be because.The space 35a and space 31a in the axle 21' of common electric rotating machine
It is identical, by setting distal slot 352 as balanced adjustment groove, so as to by for obtaining the space balanced increase and space
Measured corresponding to 35b, P sides can be made identical relative to the moment of inertia of rotary shaft with O sides.In addition, Figure 23, Figure 24 and Figure 25
Shown keyway shape is processed vertically to be formed, therefore is the effective method in the case where the O sides of axle are longer.
Embodiment 1 is illustrated above, in the process of the keyway processing of axle, by setting than being used to enter key
The groove of the thinner width of keyway of row installation, so as to realize the balanced adjustment carried out with axle monomer.In addition, in the processing
In, do not expand the size for the part installed to key, therefore the situation as key unexpectedly activity will not occur.
Shaft balancing is adjusted due to the size in the space do not filled by key of the keyway of O sides being changed, therefore
The usage amount of counterweight can be reduced.Accordingly, it is difficult to occur caused by the coming off of counterweight electric rotating machine therefore
Barrier, the long lifetime of electric rotating machine can be realized.
Embodiment 2.
On embodiment 1, in the process of the keyway processing of axle, it is necessary to make 2 different keyways of width.Therefore,
Need to prepare the different cutter of size, numerous and diverse degree increase of operation in the Milling Process of keyway.In embodiment 2, to profit
The method realized with the groove of same widths illustrates.
Figure 29, Figure 30 and Figure 31 are putting for the end of the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention
Big figure, Figure 29 is top view, and Figure 30 is front view, and Figure 31 is side view.Keyway 36 turns into following shape, i.e. embedding as key
On the basis of the shallow slot 361 for closing the 1st depth of groove, with the identical width of shallow slot 361, it is and deep with 2nd deeper than the 1st depth
Degree, deep trouth 362 is provided with as balanced adjustment groove.The depth of keyway 36 is arbitrary, but is set to by the length of shallow slot 361
L1, when the length of deep trouth 362 is set into L2, it is set to L1 ＞ L2.In embodiment 1, limit is not present for the length of keyway 36
System, but in embodiment 2, due to the width of two grooves 361,362 is set into identical, therefore the length of keyway 36 is generated
Limitation.In addition, in order that key 33 is fixed, it is impossible to which deep trouth 362 is extended into end.That is, exist in the end of axle 21 and do not form depth
The part of groove 362, to cause the depth in the end keyway 36 of axle 21 as the 1st depth.
Figure 32, Figure 33 and Figure 34 are to represent the key in the O sides of the axle of the embodiment 2 of electric rotating machine of the present invention
The figure of state in groove after insert key, Figure 32 are 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 turn into axle 21 will be because.Space 36a and the space 31a phases in the axle 21' of common electric rotating machine
Together, by setting deep trouth 362 as balanced adjustment groove, so as to increase and space 36b for the space for obtaining balance
Corresponding amount, P sides can be made identical relative to the moment of inertia of rotary shaft with O sides.In addition, Figure 29, Figure 30 and Figure 31 institute
The shape of the keyway 36 shown is processed along depth direction to be formed, therefore is effective in the case where the diameter of axle of O sides is larger
Method.
Figure 35, Figure 36 and Figure 37 are another structure examples of the O sides for the axle for representing the electric rotating machine that embodiment 2 is related to
Figure, Figure 35 is top view, and Figure 36 is front view, and Figure 37 is side view.Keyway 37 turns into following shape, i.e. is seen from shaft end
When examining positioned at proximal lateral the proximal slot 371 as key embeded slot distal end position, with the identical width of proximal slot 371,
The distal slot 372 for the balanced adjustment groove that will not enter as key is added.That is, it is the 1st width and remote by the width of proximal slot 371
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
D1 is set to, when the depth of distal slot 372 is set into D2, is set to D1 ＞ D2.In embodiment 1, the depth of keyway 37 is not deposited
Limiting, but in embodiment 2, due to the width of the width of proximal slot 371 and distal slot 372 is set into identical, thus it is right
The depth of keyway 37 generates limitation.
Figure 38, Figure 39 and Figure 40 are the O sides of the axle of another construction of the electric rotating machine for representing to be 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 filled turns into axle 21 will be because.Space 37a is identical with the space 31a in common electric rotating machine, leads to
Cross as balanced adjustment groove and distal slot 372 is set, it is corresponding with space 37b so as to increase for the space of acquirement balance
Amount, P sides can be made identical relative to the moment of inertia of rotary shaft with O sides.In addition, shown in Figure 35, Figure 36 and Figure 37
The shape of keyway 37 is processed vertically to be formed, therefore is the effective method in the case where the O sides of axle are longer.
So, in the process that the keyway of axle is processed, by setting and the keyway same widths for being installed to key
Groove, so as to realize with axle monomer carry out balanced adjustment.In addition, in the processing, do not expand and key is installed
Part size, therefore will not occur as key unexpectedly activity situation.Also, because the width of two grooves is identical,
Therefore the cutter of identical size can be utilized to be processed in the Milling Process of groove, work operations amount can be reduced.
In addition, in the above description, show that the bottom surface that chimeric groove is carried out in donating bond or distal end are provided with balance
The construction of adjustment tank, but in the bottom surface of key embeded slot and distal end this balanced adjustment groove can also be respectively provided with two.That is, can also lead to
Cross the 1st balanced adjustment groove that will be set in the bottom surface of key embeded slot, the 2nd balanced adjustment groove set in the distal end of key embeded slot
The size of interblock space is changed, so as to be adjusted to shaft balancing.
In addition, in the above description, it is assumed that used the diameter of axle of the side of O sides one small and key also small axle, described as follows
Method, i.e. the keyway of O sides is changed to the increased shape in space for obtaining balance.But using the side of P sides one
The diameter of axle is small and key is also in the case of small axle etc., same method can also be applied to the P sides part of axle, by the key of P sides
Groove is changed to the increased shape in space for obtaining balance.
In addition, when mechanical device, external fan and axle are entered into joining line, D cuttings also are carried out to axle leading section sometimes, and
Screw is carried out to fix.Different from key link in the case where D is cut, part after cutting all will be because as the imbalance of axle.
In the case that line unit link is entered in side progress D cuttings and opposite side in O sides and P sides, it can also be answered in the side that key is processed
With the method illustrated by above-mentioned embodiment 1,2, with cause and D cuttings after part obtain balance.
Industrial applicibility
As described above, electric rotating machine of the present invention is being unlikely to unintentionally live with completing balanced adjustment and key with monomer
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' axles, 22 iron
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 slots.
Claims (6)
1. a kind of electric rotating machine, it has：Rotor, it is formed using axle, and the axle has one end and the other end, the one end
Portion has the 1st diameter of axle, and the other end has 2nd diameter of axle bigger than the 1st diameter of axle, the one end is provided with the 1st key
Groove；External fan, it is installed on the one end of the axle；And key, and it is configured at the 1st keyway and consolidates the external fan
Due to the axle, the electric rotating machine is characterised by,
1st keyway has：The key embeded slot of 1st depth, it carries out chimeric with the key；And balanced adjustment groove, its shape
A part of region as the bottom surface to the key embeded slot carries out lower digging and has 2nd depth deeper than the 1st depth,
The part for the key embeded slot that the key is only entered among the 1st keyway.
2. electric rotating machine according to claim 1, it is characterised in that
The balanced adjustment groove and the key embeded slot are same widths, are in the depth of the keyway of the end of the axle
1st depth.
3. a kind of electric rotating machine, it has：Rotor, it is formed using axle, and the axle has one end and the other end, the one end
Portion has the 1st diameter of axle, and the other end has 2nd diameter of axle bigger than the 1st diameter of axle, the one end is provided with the 1st key
Groove；External fan, it is installed on the one end of the axle；And key, and it is configured at the 1st keyway and consolidates the external fan
Due to the axle, the electric rotating machine is characterised by,
1st keyway has：The key embeded slot of 1st width, it carries out chimeric with key；And balanced adjustment groove, it is from the key
The distal end of embeded slot is risen along the axial direction of the axle and extends to the other end side with the 2nd width less than the 1st width,
The part for the key embeded slot that the key is only entered among the 1st keyway.
4. a kind of electric rotating machine, it has：Rotor, it is formed using axle, and the axle has one end and the other end, the one end
Portion has the 1st diameter of axle, and the other end has 2nd diameter of axle bigger than the 1st diameter of axle, the one end is provided with the 1st key
Groove；External fan, it is installed on the one end of the axle；And key, and it is configured at the 1st keyway and consolidates the external fan
Due to the axle, the electric rotating machine is characterised by,
1st keyway has：The key embeded slot of 1st width, it carries out chimeric with key；And balanced adjustment groove, it is from the key
The distal end of embeded slot is risen along the axial direction of the axle and extends to the other end side,
The balanced adjustment groove and the key embeded slot are same widths, and formed must be than the key embeded slot for the balanced adjustment groove
It is shallow,
The part for the key embeded slot that the key is only entered among the 1st keyway.
5. a kind of electric rotating machine, it has：Rotor, it is formed using axle, and the axle has one end and the other end, the one end
Portion has the 1st diameter of axle, and the other end has 2nd diameter of axle bigger than the 1st diameter of axle, the one end is provided with the 1st key
Groove；External fan, it is installed on the one end of the axle；And key, and it is configured at the 1st keyway and consolidates the external fan
Due to the axle, the electric rotating machine is characterised by,
1st keyway has：The key embeded slot of 1st depth, it carries out chimeric with key；1st balanced adjustment groove, it is formed as pair
A part of region of the bottom surface of the key embeded slot carries out lower digging, has 2nd depth deeper than the 1st depth；And the 2nd balance
Adjustment tank, it is from the distal end of the key embeded slot along the axial direction of the axle and with the width of the width less than the key embeded slot
And the other end side is extended to,
The part for the key embeded slot that the key is only entered among the 1st keyway.
6. electric rotating machine according to any one of claim 1 to 5, it is characterised in that
The axle has the 2nd keyway in described the other end,
1st keyway and the 2nd keyway symmetrically configure relative to the center of the 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 CN106464075A (en) | 2017-02-22 |
| CN106464075B true 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) |
Family Cites Families (12)
| 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 |
| US7632203B2 (en) * | 2005-10-28 | 2009-12-15 | Fallbrook Technologies Inc. | Electromotive drives |
| EP2038531A4 (en) * | 2006-06-26 | 2012-01-25 | Fallbrook Technologies Inc | Continuously variable transmission |
| JP5738007B2 (en) * | 2011-03-02 | 2015-06-17 | 株式会社小松製作所 | Electric motor cooling structure and electric motor |
| JP2013009549A (en) * | 2011-06-27 | 2013-01-10 | Sumitomo Heavy Ind Ltd | Series of motor |
| JP5731298B2 (en) * | 2011-07-01 | 2015-06-10 | 東芝産業機器システム株式会社 | Rotating electric machine cooling fan and rotating 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 |
-
2014
- 2014-05-19 CN CN201480078929.4A patent/CN106464075B/en not_active Expired - Fee Related
- 2014-05-19 JP JP2014553007A patent/JP5744347B1/en not_active Expired - Fee Related
- 2014-05-19 WO PCT/JP2014/063201 patent/WO2015177836A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JP5744347B1 (en) | 2015-07-08 |
| JPWO2015177836A1 (en) | 2017-04-20 |
| WO2015177836A1 (en) | 2015-11-26 |
| CN106464075A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR920000507B1 (en) | Structure of rotor for high speed induction motor | |
| US10727707B2 (en) | Reluctance rotor lamination having an opening for stress reduction | |
| US9800103B2 (en) | Mechanically stabilized rotor for a reluctance motor | |
| KR20110083556A (en) | Rotor for use in ipm rotating electric machine | |
| US8745848B2 (en) | Induction machine rotor slot having diverging sidewall profiles and forming method | |
| US20100156228A1 (en) | Synchronous machine and a process of manufacturing a synchronous machine | |
| EP3460955B1 (en) | Method for manufacturing rotor, and rotor | |
| EP2811628B1 (en) | Method for manufacturing magnet pieces for forming field-pole magnets | |
| JP6863468B2 (en) | Manufacturing method of core for rotary electric machine | |
| JP5904293B2 (en) | Permanent magnet embedded rotary electric machine | |
| CN106464075B (en) | Electric rotating machine | |
| CN102983685A (en) | Manufacturing method of rotating electric machine and rotating electric machine | |
| JP2019097390A (en) | Stator, rotary electric machine, manufacturing method for steel plate, and manufacturing method for stator | |
| US10305338B2 (en) | Rotor for rotating electric machine and rotating electric machine including the rotor | |
| EP3317947B1 (en) | Permanent-magnet electrical machine with optimized geometry | |
| CN104426314A (en) | Permanent magnet rotary electric machine and elevator provided with same | |
| CN105171007B (en) | A kind of exchange spindle motor unit and its driving method | |
| JPWO2012137235A1 (en) | Induction motor rotor manufacturing method | |
| CN103312059A (en) | Rotor for electric motor including rotational shaft and yoke securely fitted on the rotational shaft | |
| EP3823136A1 (en) | Rotor for a synchronous machine | |
| CN210080439U (en) | Channeling machine | |
| US11404924B2 (en) | Rotor | |
| JP6962688B2 (en) | Stepped drill | |
| JP6988633B2 (en) | Stator core and motor | |
| CN206571785U (en) | High rigidity external tooth wheel key way |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190519 |