CN109194006B - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN109194006B CN109194006B CN201811139241.9A CN201811139241A CN109194006B CN 109194006 B CN109194006 B CN 109194006B CN 201811139241 A CN201811139241 A CN 201811139241A CN 109194006 B CN109194006 B CN 109194006B
- Authority
- CN
- China
- Prior art keywords
- shell
- rolling bearing
- rotor
- stator
- strip
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of motors.The motor includes shell, stator and rotor；Rotor has output shaft；Rotor further include: two the first rolling bearing assemblies, each first rolling bearing assembly include the first rolling bearing, and the shock-damping structure being set on the first rolling bearing outer peripheral surface；And the both ends of output shaft pass through the first rolling bearing assembly and are installed on shell；Rotor axle sleeve, including inner cylinder portion, outer cylindrical portion and interconnecting piece；Outer cylindrical portion is set to the radial outside of inner cylinder portion；Interconnecting piece is set between inner cylinder portion and outer cylindrical portion；Output shaft is installed in the centre bore of inner cylinder portion；Rotor core is installed on outer cylindrical portion；And two the second rolling bearing assemblies, each second rolling bearing assembly include the second rolling bearing and connecting bracket；Two the second rolling bearings are respectively arranged at the both ends of inner cylinder portion, and the outer ring of each second rolling bearing is installed on shell by a connecting bracket.Light-weight, rotor operation is stablized, and power transmission is stablized.
Description
Technical field
The present invention relates to motor fields, more particularly to a kind of motor that power transmission is stable.
Background technique
Currently, motor is during the work time, because rotor rotation excessively acutely, strong vibration, violent shake can be generated
It is dynamic to will lead to the unstable of motor operating, influence the steady operation of motor.Further, motor output shaft and transmission also be will affect
Powerdriven stability between component.Moreover, existing motor volume is big, quality weight, it is excessive that displacement consumes power.
In addition, small size is constantly pursued by motor manufacturing enterprise, high power density is more and more negative using high electromagnetism in design of electrical motor
The material of lotus and thermic load, the loss that when motor operation generates increase, and lead to that motor entirety temperature rise is excessively high or local temperature rise is excessively high,
The service life that motor can not only be reduced, influences the economic and technical norms such as efficiency, the torque of motor, can also cause electric machine structure portion
Part is severely deformed, jeopardizes motor operation safety.
Summary of the invention
The present invention invents at least one defect for being intended to overcome existing motor, provides a kind of stable so that power transmission
Stable motor, motor performance are excellent.
For this purpose, the invention proposes a kind of motor, including shell, stator and rotor；The stator is set to the shell
It is interior；The rotor is set to the radially inner side of the stator；The rotor has output shaft.The rotor further include:
Two the first rolling bearing assemblies, each first rolling bearing assembly include the first rolling bearing, Yi Jishe
The shock-damping structure being placed on the first rolling bearing outer peripheral surface；And the both ends of the output shaft pass through described first and roll
Moving axis bearing assembly is installed on the shell；
Rotor axle sleeve, the rotor axle sleeve include inner cylinder portion, outer cylindrical portion and interconnecting piece；The outer cylindrical portion is set in described
The radial outside of canister portion；The interconnecting piece is set between the inner cylinder portion and the outer cylindrical portion, to connect the inner cylinder portion
The middle part at middle part and the outer cylindrical portion；The output shaft is installed in the centre bore of the inner cylinder portion, and the output shaft and institute
Inner cylinder portion is stated to connect by key drive mechanism；
Rotor core, the rotor core are installed on the outside of the rotor axle sleeve；The rotor core is installed on described
Outer cylindrical portion；And
Two the second rolling bearing assemblies, each second rolling bearing assembly include the second rolling bearing and connection branch
Frame；Two second rolling bearings are respectively arranged at the both ends of the inner cylinder portion, and each second rolling bearing is outer
Circle is installed on the shell by a connecting bracket.
Optionally, the shock-damping structure is resilient cushion, damping mat or is distributed in first rolling bearing with multiple
Compressed spring.
Optionally, the connecting bracket includes:
The outer ring of fixed ring, second rolling bearing is installed on the fixed ring；
Fixed flange, the fixed flange is installed on the inside of the shell, and is arranged with the rotor coaxial；With
Multiple disc are connected to the fixed ring and the fixed flange.
Optionally, each disc includes
Horizontal extension section is connected to the outer peripheral surface of the fixed ring；
Vertical extended segment is connected to the side towards the rotor of the fixed flange；With
Snakelike extended segment, both ends are connected to the vertical extended segment and the horizontal extension section, and erect with described
Straight extended segment and the horizontal extension section are tangent；And the snakelike extended segment is in closing on its output shaft on the whole
It arches upward end.
Optionally, each disc is the smooth curved plate to arch upward to the end for the output shaft for closing on it.
Optionally, it is equipped with pedestal below the shell, is provided with support pillar on the pedestal, is provided on the shell
Stop sleeve；The stop sleeve is sheathed on the support pillar, the bottom surface of the stop sleeve and the support pillar
Compressed spring and the supporting pad positioned at compressed spring ring inner side and outer side are provided between end face；
Uniformly distributed multiple pillars on the lower end surface of the stop sleeve, the lower end of each pillar is provided with multiple limits
Block is enclosed with damping mat on each limited block；Multiple connection spacing collars are evenly equipped on the outside of the support pillar；Each
The limited block is inserted into a connection spacing collar, and is provided with and is located between each limited block and the pedestal
Extension spring in the connection spacing collar.
Optionally, the quantity of the support pillar and the stop sleeve is four, is set to the front and back of the shell
Both ends；And each support pillar, each stop sleeve, each pillar and each connection spacing collar are equal
It is obliquely installed.
Optionally, the stator has stator slot and multiple heat release hole groups；
There are two the first strip-shaped holes for being set to the corresponding stator slot two sides for each heat release hole group tool, each
First strip-shaped hole extends along the axial direction of the stator, and the radial outside towards the stator that is open；
Multiple second strip-shaped holes are provided on the shell, each second strip-shaped hole corresponds to one described first
The setting of shape hole；And
The motor further include:
Multiple first semiconductor chilling plates, each first semiconductor chilling plate are inserted into first strip-shaped hole,
And the cold end of each semiconductor chilling plate is facing towards closing on its stator slot；
External radiating device is set to the outer surface of the shell；And
Multiple first thermally conductive sheets, each first thermally conductive sheet are connect with the external radiating device, and each described
One thermally conductive sheet is inserted into second strip-shaped hole and corresponding first strip-shaped hole, and in first strip-shaped hole
The hot end face contact of semiconductor chilling plate against.
Optionally, the external radiating device includes multiple second semiconductor chilling plates, each second semiconductor system
Cold cold end face paste is against the outer surface of the shell；And the cold end face of each second semiconductor chilling plate is in one
The radial outside of the stator slot；
Be all connected at every side edge in the cold end face of each second semiconductor chilling plate one it is described first thermally conductive
Piece；And
Mounting groove is offered on the shell, to install multiple second semiconductor chilling plates, and each described second
The hot end face of semiconductor chilling plate is contacted with the outer surface heat of the shell；Heat dissipation ditch is offered on the outer surface of the shell
Slot.
Optionally, the external radiating device includes third semiconductor chilling plate；
The third semiconductor chilling plate is cylindrical in shape, and is set in the shell, and the third semiconductor chilling plate is cold
End face and the peripheral wall of the shell contact against；
Mounting groove is offered on the shell, to install the third semiconductor chilling plate, and the third semiconductor system
Cold hot end face is contacted with the outer surface heat of the shell；Radiating groove is offered on the outer surface of the shell.
In motor of the invention, by the way that rotor is arranged to special structure, the weight of rotor can reduce, convenient for rotor
Processing and manufacturing, rotor core are easily replaced, and rotor axle sleeve is generally applicable.Particularly, after the weight saving of rotor, own rotation consumption
Power it is less, significantly improve efficiency.
Further, the fixed installation of the rotor of motor is realized using two connecting brackets and two the second rolling bearings,
Using two the first rolling bearings and shock-damping structure, realizes the auxiliary installation of rotor, there is certain elasticity, perturbation, and have
There are enough support strengths, significantly improves stability when working rotor, and then guarantee between output shaft and transmission parts
Powerdriven stability.Prevented also from only with it is existing, output shaft both ends setting and be directly mounted at shell two
A rolling bearing, it is understood that there may be the inadequate problem of support force.It can prevent the disturbance that output shaft is caused by multiple rolling bearings
Performance is insufficient, may lock the rotation of output shaft, influence the service life of bearing and rotor.
Further, rotor is using special fixed form and motor whole (shell and its internal structure) and pedestal
Between special fixed form, the two combines, and can eliminate noise when motor oscillating as much as possible, and guarantee rotor
Stability when vibration prevents output shaft transmission parts connected to it to be detached from, even if slightly off can also Quick-return, no
Subsequent transmission can be impacted.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of motor according to an embodiment of the invention；
Fig. 2 is the schematic cross sectional views of motor shown in FIG. 1；
Fig. 3 is the schematic expanded view in Fig. 2 at A；
Fig. 4 is the schematic local structural graph of motor shown in Fig. 1；
Fig. 5 and Fig. 6 is respectively the schematic diagram of two connecting brackets；
The schematic cross sectional views of connection structure of the Fig. 7 between pedestal and shell；
Fig. 8 is the schematic local structural graph of rotor；
Fig. 9 is the schematic diagram of the stator core in the stator of motor shown in Fig. 1；
Figure 10 is the show in schematic partial sections of stator core shown in Fig. 9.
Specific embodiment
Fig. 1 is the schematic diagram of motor according to an embodiment of the invention.As shown in Figure 1, and referring to figs. 2 to figure
4, the embodiment of the invention provides a kind of motors.Usual motor may include shell 100, stator 200 and rotor 300.Shell 100 is logical
Often with the end cap for having main casing 110 and setting and 110 both ends of main casing, such as housing forward end lid 120 and housing rear end lid 130.Stator 200
It is set in shell 100.Rotor 300 is set to the radially inner side of stator 200.The iron core of stator 200 has stator slot 210, fixed
Pilot trench 210 is for winding winding 240.Particularly, rotor 300 may include output shaft 310, rotor axle sleeve 320, rotor core 330,
Two the first rolling bearing assemblies 340 and two the second rolling bearing assemblies 350.
Each first rolling bearing assembly 340 includes the first rolling bearing 341, and is set to the first rolling bearing 341
Shock-damping structure 342 on outer peripheral surface.And the both ends of output shaft 310 pass through the first rolling bearing assembly 340 and are installed on shell
100.Such as it is installed on the drive end bearing bracket 120 and rear end cap 130 of shell 100.
The both ends of the surface of rotor axle sleeve 320 all have annular recess, so that rotor axle sleeve 320 includes inner cylinder portion 321, outer cylindrical portion
322 and interconnecting piece 323.Inner cylinder portion 321 is installed on output shaft 310, and outer cylindrical portion 322 is set to the radial outside of inner cylinder portion 321, connects
Socket part 323 is set between inner cylinder portion 321 and outer cylindrical portion 322, to connect inner cylinder portion 321 and outer cylindrical portion 322.Specifically, it exports
Axis 310 is installed in the centre bore of inner cylinder portion 321, and output shaft 310 and inner cylinder portion 321 carry out transmission company by spline drived structure
It connects.Rotor core 330 is installed on the outside of rotor axle sleeve 320.Rotor core 330 is installed on outer cylindrical portion 322.
Each second rolling bearing assembly 350 includes the second rolling bearing 351 and connecting bracket 352.Two second rollings
Bearing 351 is respectively arranged at the both ends of inner cylinder portion 321, and the outer ring of each second rolling bearing 351 passes through a connecting bracket
352 are installed on shell 100.
The embodiment of the present invention can reduce the weight of rotor 300, by the way that rotor 300 is arranged to special structure convenient for turning
The processing and manufacturing of son 300, rotor core 330 are easily replaced, and rotor axle sleeve 320 is generally applicable.Particularly, the weight saving of rotor 300
Later, the power of own rotation consumption is less, significantly improves efficiency.
Further, the rotor 300 of motor is realized using two connecting brackets 352 and two the second rolling bearings 351
It is fixedly mounted, using two the first rolling bearings 341 and shock-damping structure 342, realizes the auxiliary installation of rotor 300, have certain
Elasticity, perturbation, and have enough support strengths, significantly improve rotor 300 work when stability, and then guarantee it is defeated
Powerdriven stability between shaft 310 and transmission parts.Prevented also from only with it is existing, at 310 both ends of output shaft
Two rolling bearings being arranged and being directly mounted at shell 100, it is understood that there may be the inadequate problem of support force.It can prevent from leading to
Cross multiple rolling bearings, cause the disturbance performance of output shaft 310 insufficient, the rotation of output shaft 310 may be locked, influence bearing and
The service life of rotor 300.
In some embodiments of the invention, in order to further decrease motor operating when vibration and noise.It can be in shell
Pedestal 600 is equipped with below body 100.It is provided with support pillar 610 on pedestal 600, is provided with stop sleeve 620 on shell 100.Branch
Support set cylinder 620 is sheathed on support pillar 610, is provided with pressure between the bottom surface of stop sleeve 620 and the end face for supporting pillar 610
Contracting spring 630 and supporting pad positioned at 630 ring inner side and outer side of compressed spring.
Further, uniformly distributed multiple pillars 640 on the lower end surface of stop sleeve 620, the lower end of each pillar 640 is provided with
Multiple limited blocks are enclosed with damping mat on each limited block.The outside of support pillar 610 is evenly equipped with multiple connection spacing collars
650.Each limited block is inserted into a connection spacing collar 650, and is provided with to be located between each limited block and pedestal 600 and be connected
Connect the extension spring 660 in spacing collar 650.Preferably, the quantity for supporting pillar 610 and stop sleeve 620 is four, if
It is placed in the rear and front end of shell 100；And each support pillar 610, each stop sleeve 620, each pillar 640 and each connection
Spacing collar 650 is obliquely installed.
In embodiments of the present invention, compressed spring 630 and extension spring 660 are used cooperatively, and can be eliminated as much as possible
Noise when motor oscillating, and guarantee stability when rotor 300 vibrates, prevent the biography connected to it of output shaft 310
Dynamic component be detached from, even if slightly off can also Quick-return, will not to it is subsequent transmission impact.That is, in the implementation
In example, rotor 300 is using between special fixed form and motor whole (shell 100 and its internal structure) and pedestal 600
Special fixed form, the two combines, and can eliminate noise when motor oscillating as much as possible, and guarantee rotor 300
Stability when vibration prevents the transmission parts connected to it of output shaft 310 to be detached from, even if slightly off can also quickly return
It is multiple, subsequent transmission will not be impacted.
In some embodiments of the invention, shock-damping structure 342 is resilient cushion, damping mat or is distributed in first with multiple
The compressed spring of rolling bearing 341.As shown in Figure 5 and Figure 6, connecting bracket 352 may include fixed ring 353, fixed flange 354
With multiple disc 355.The outer ring of second rolling bearing 351 is installed on fixed ring 353.Fixed flange 354 is installed on shell 100
Inside, and with rotor 300 be coaxially disposed.Multiple disc 355 are connected to fixed ring 353 and fixed flange 354.
In some embodiments of the invention, each disc 355 has horizontal extension section 356, vertical extended segment 357 and snake
Shape extended segment 358.Horizontal extension section 356 is connected to the outer peripheral surface of fixed ring 353.Vertical extended segment 357 is connected to mounting flange
The side towards rotor 300 of disk 354.The both ends of snakelike extended segment 358 are connected to vertical extended segment 357 and horizontal extension
Section 356, and it is tangent with vertical extended segment 357 and horizontal extension section 356；And snakelike extended segment 358 is on the whole in closing on it
The end of output shaft 310 arch upward.Using snakelike extended segment 358, the tension of steel plate and the bounce after compression can make patent
The vibration of movement quickly reduces, and Amplitude Comparison is small, can make rotor 300 rapidly and make rotor 300 to reset, and guarantees rotor 300 and whole
The operation stability of a motor.In some alternate embodiments, each disc 355 is to the end for the output shaft 310 for closing on it
The smooth curved plate that portion arches upward.
In some embodiments of the invention, as shown in figure 8, the front end of rotor core 330 may be provided with front apron 360,
Rear end is provided with rear baffle 370.The front end of the outer cylindrical portion 322 of rotor axle sleeve 320 is provided with fin.When installation, first by front apron
360 cooperate with fin, and rotor core 330 is then installed on outer cylindrical portion 332, after rear baffle 370 is mounted on outer cylindrical portion
322 are fixed.
In some embodiments of the invention, as shown in figure 9, stator 200 also has multiple heat release hole groups, each heat release hole
There are two the first strip-shaped holes 220 for being set to 210 two sides of corresponding stator slot for group tool.Each first strip-shaped hole 220 is along stator
200 axial direction extends, and the radial outside towards stator 200 that is open.Multiple second strip-shaped holes are provided on shell 100,
Each second strip-shaped hole corresponds to the first strip-shaped hole 220 setting.
Motor further comprises multiple first semiconductor chilling plates 510, external radiating device 520 and multiple first thermally conductive
Piece 530.Each first semiconductor chilling plate 510 is inserted into first strip-shaped hole 220, and each first semiconductor chilling plate 510
Cold end facing towards closing on its stator slot 210.That is, the two sides of each stator slot 210 are the first semiconductor refrigerating
The cold end face of piece 510, to accelerate the heat dissipation of winding.External radiating device 520 may be disposed at the outer surface of shell 100.Each
One thermally conductive sheet 530 is connect with external radiating device 520, and each first thermally conductive sheet 530 is inserted into second strip-shaped hole and one
A corresponding first strip-shaped hole 220, and supported with the hot end face contact of the first semiconductor chilling plate 510 in first strip-shaped hole 220
It leans on.And first semiconductor chilling plate 510 and the first thermally conductive sheet 530 be completely filled with the first strip-shaped hole 220 of closing, and first is thermally conductive
Piece 530 need to be completely filled with the second strip-shaped hole.
In the motor of the embodiment of the present invention, the first semiconductor chilling plate 510 is set to the slit opened up in stator slot 210
In and alignment winding 240, and the heat derives that can be rapidly distributed winding 240 etc. by thermally conductive sheet 530 to external cooling fills
520 are set, motor radiating is high-efficient, guarantees the economic and technical norms such as efficiency, the torque of motor.Symmetrically arranged two the first half are led
Body cooling piece can make winding heat dissipation uniformly as far as possible, the motor integral heat sink structure being uniformly arranged, it is ensured that motor radiates on the whole
Uniformly, motor energy efficiency is further increased.
In some preferred embodiments of the invention, external radiating device 520 includes multiple second semiconductor chilling plates,
The cold end face paste of each second semiconductor chilling plate is against the outer surface of shell 100.And each second semiconductor chilling plate is cold
End face is in the radial outside of a stator slot 210.Certainly, in some alternate embodiments, each second semiconductor refrigerating
The cold end face of piece is in the radial outside in the region between two neighboring stator slot 210.Each second semiconductor chilling plate it is cold
First thermally conductive sheet 530 is all connected at every side edge of end face.
In other preferred embodiments of the invention, external radiating device 520 includes third semiconductor chilling plate.The
Three semiconductor chilling plates are cylindrical in shape, and are set in shell 100, and the peripheral wall in the cold end face of third semiconductor chilling plate and shell 100
It contacts against.When external radiating device 520 also uses semiconductor chilling plate, the heat dissipation effect of motor more ensure that.In addition,
The hot and cold side of semiconductor chilling plate is exchanged, and the motor can be made effectively to solve motor internal lubrication oil frozen problem, if on cold ground
Area uses, and can preheat to inside, preheating speed is fast, can effectively protect motor.
In some further embodiments of the invention, mounting groove is offered on the shell 100, to install multiple institutes
State the second semiconductor chilling plate or installation third semiconductor chilling plate, and the hot end face of each second semiconductor chilling plate or
The hot end face of third semiconductor chilling plate is contacted with the outer surface heat of the shell 100.It is opened up on the outer surface of the shell 100
There is radiating groove.Setting can make full use of the outer surface of shell 100 to radiate in this way, so that the second semiconductor and third are partly led
The hot end face of body does not have to setting radiating fin, and the effective volume of motor can be made to reduce.Certainly, those skilled in the art can also be
Radiating fin is arranged in the hot end face of two semiconductors and third semiconductor.Moreover, optionally, each first semiconductor chilling plate 510
Also it is inserted into corresponding second strip-shaped hole.When heat sinking function in order to make full use of shell, it is preferable that the first semiconductor refrigerating
Piece 510 is not inserted into corresponding second strip-shaped hole.The length of each first strip-shaped hole 220 be stator slot 210 length 0.5 to
0.7 times, and it is in the middle part along its length of stator 200.The length of each second strip-shaped hole is the first strip-shaped hole 220
0.6 to 0.8 times of length.
Further, it is also set up between 100 inner wall of region and shell in each 210 outside of stator slot of stator 200
There are multiple second thermally conductive sheets.Alternatively, each region of the lateral surface of stator 200 can be arranged between 100 inner wall of shell it is multiple
Second thermally conductive sheet.Moreover, each first thermally conductive sheet 530 is on the region between stator 200 and shell 100, and each
On second thermally conductive sheet, multiple through-holes are provided with, the diameter of each through-hole is 0.05mm to 0.15mm.In this way, can prevent
Closed area is presented between stator 200 and shell 100, influences motor performance, such as lubricating oil enters the region and do not go out.
In some embodiments of the invention, also there are multiple oilhole groups, each oilhole group has 3 on each stator 200
It is a to the spaced rectangle oilhole 230 of 5 axial directions along stator 200, the rectangle oilhole 230 of each oilhole group connects
The inside of logical stator 200 and the side towards stator slot 210 of first strip-shaped hole 220.Setting rectangle oilhole 230 can make
The lubricating oil that rotor 300 carries enters oilhole, after semiconductor chilling plate heat exchange, in the motion oscillations of motor or by itself weight
Under the action of power, rectangle oilhole 230 is flowed out, the decline of lubricating oil temperature is accelerated.For example, the rectangle oil on the upside of motor
Lubricating oil in hole 230 can be under the action of the motion oscillations of motor or dependence self gravity.Rectangle oilhole in downside
Lubricating oil in 230 can shake out under the motion oscillations of motor.
The long side face of each rectangle oilhole 230 extends along the axial direction of stator 200.And each rectangle oilhole 230
Two long side faces include the first long side face and the second long side face, and along the rotation direction of rotor 300, it is long that the first long side face is in second
The upstream side in side face.The side for closing on mover in the first long side face is provided with the first chamfer bevel, and closing on for the second long side face is dynamic
The side of son is provided with the second chamfer bevel, is respectively formed the first fillet surface 231 and the second fillet surface 232.As shown in Figure 10,
The tilt angle of two chamfer bevels is greater than the tilt angle of the first chamfer bevel.Work of the oil droplet that rotor 300 carries in centrifugal force
The first long side face is foundered under, the rear oil droplet squeezed out in rectangle oilhole 230, the second tilt angle is larger, can make the fortune of oil droplet
Dynamic ratio is smoothly.Wherein, the size of chamfer bevel refers to the difference of the angle between 180 ° and corresponding long side face.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of motor, including shell, stator and rotor；The stator is set in the shell；The rotor is set to institute
State the radially inner side of stator；The rotor has output shaft；It is characterized in that, the rotor further include:
Two the first rolling bearing assemblies, each first rolling bearing assembly includes the first rolling bearing, and is set to
Shock-damping structure on the first rolling bearing outer peripheral surface；And the both ends of the output shaft pass through the first rolling bearing group
Part is installed on the shell；
Rotor axle sleeve, the rotor axle sleeve include inner cylinder portion, outer cylindrical portion and interconnecting piece；The outer cylindrical portion is set to the inner cylinder portion
Radial outside；The interconnecting piece is set between the inner cylinder portion and the outer cylindrical portion, to connect the middle part of the inner cylinder portion
With the middle part of the outer cylindrical portion；The output shaft is installed in the centre bore of the inner cylinder portion, and the output shaft and described interior
Canister portion is connected by key drive mechanism；
Rotor core, the rotor core are installed on the outer cylindrical portion；And
Two the second rolling bearing assemblies, each second rolling bearing assembly include the second rolling bearing and connecting bracket；
Two second rolling bearings are respectively arranged at the both ends of the inner cylinder portion, and the outer ring of each second rolling bearing is logical
It crosses the connecting bracket and is installed on the shell.
2. motor according to claim 1, which is characterized in that
The shock-damping structure is for resilient cushion or with multiple compressed springs for being distributed in first rolling bearing.
3. motor according to claim 1, which is characterized in that the connecting bracket includes:
The outer ring of fixed ring, second rolling bearing is installed on the fixed ring；
Fixed flange, the fixed flange is installed on the inside of the shell, and is arranged with the rotor coaxial；With
Multiple disc are connected to the fixed ring and the fixed flange.
4. motor according to claim 3, which is characterized in that each disc includes
Horizontal extension section is connected to the outer peripheral surface of the fixed ring；
Vertical extended segment is connected to the side towards the rotor of the fixed flange；With
Snakelike extended segment, both ends are connected to the vertical extended segment and the horizontal extension section, and prolong vertically with described
It stretches section and the horizontal extension section is tangent；And the snakelike extended segment is in the end for the output shaft for closing on it on the whole
It arches upward.
5. motor according to claim 3, which is characterized in that
Each disc is the smooth curved plate to arch upward to the end for the output shaft for closing on it.
6. motor according to claim 1, which is characterized in that
It is equipped with pedestal below the shell, is provided with support pillar on the pedestal, is provided with stop sleeve on the shell；Institute
It states stop sleeve to be sheathed on the support pillar, be arranged between the bottom surface of the stop sleeve and the end face of the support pillar
There are compressed spring and the supporting pad positioned at compressed spring ring inner side and outer side；
Uniformly distributed multiple pillars, the lower end of each pillar are provided with multiple limited blocks on the lower end surface of the stop sleeve, often
Damping mat is enclosed on a limited block；Multiple connection spacing collars are evenly equipped on the outside of the support pillar；It is each described
Limited block is inserted into a connection spacing collar, and is provided between each limited block and the pedestal positioned at described
Connect the extension spring in spacing collar.
7. motor according to claim 6, which is characterized in that
The quantity of the support pillar and the stop sleeve is four, is set to the rear and front end of the shell；And it is each
The support pillar, each stop sleeve, each pillar and each connection spacing collar are obliquely installed.
8. motor according to claim 1, which is characterized in that the stator has stator slot and multiple heat release hole groups；
There are two the first strip-shaped holes for being set to the corresponding stator slot two sides for each heat release hole group tool, each described
First strip-shaped hole extends along the axial direction of the stator, and the radial outside towards the stator that is open；
Multiple second strip-shaped holes are provided on the shell, each second strip-shaped hole corresponds to first strip-shaped hole
Setting；And
The motor further include:
Multiple first semiconductor chilling plates, each first semiconductor chilling plate are inserted into first strip-shaped hole, and every
The cold end of a first semiconductor chilling plate is facing towards closing on its stator slot；
External radiating device is set to the outer surface of the shell；And
Multiple first thermally conductive sheets, each first thermally conductive sheet are connect with the external radiating device, and each described first leads
Backing is inserted into second strip-shaped hole and corresponding first strip-shaped hole, and with first in first strip-shaped hole
The hot end face contact of semiconductor chilling plate against.
9. motor according to claim 8, which is characterized in that the external radiating device includes multiple second semiconductor systems
Cold, the cold end face paste of each second semiconductor chilling plate is against the outer surface of the shell；And each described the second half
The cold end face of conductor cooling piece is in the radial outside of a stator slot；
First thermally conductive sheet is all connected at every side edge in the cold end face of each second semiconductor chilling plate.
10. motor according to claim 8, which is characterized in that the external radiating device includes third semiconductor refrigerating
Piece；
The third semiconductor chilling plate is cylindrical in shape, and is set in the shell, and the cold end face of the third semiconductor chilling plate
It is contacted against with the peripheral wall of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139241.9A CN109194006B (en) | 2018-09-28 | 2018-09-28 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139241.9A CN109194006B (en) | 2018-09-28 | 2018-09-28 | Motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194006A CN109194006A (en) | 2019-01-11 |
| CN109194006B true CN109194006B (en) | 2019-08-20 |
Family
ID=64906686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139241.9A Active CN109194006B (en) | 2018-09-28 | 2018-09-28 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194006B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580604A (en) * | 2019-01-15 | 2020-07-29 | Digipulse Ltd | Flexible motor housing |
| CN111555499B (en) * | 2020-06-02 | 2021-04-27 | 华育昌(肇庆)智能科技研究有限公司 | Magnetic control rare earth permanent magnet synchronous motor rotor bracket and rotating shaft |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201822A (en) * | 2014-07-24 | 2014-12-10 | 河北汉光重工有限责任公司 | Rolling bearing mechanism with three-shaft rotary table |
| DE112016003110B4 (en) * | 2015-07-09 | 2023-10-19 | Ihi Corporation | Bearing structure and turbocharger |
| CN205725271U (en) * | 2016-05-16 | 2016-11-23 | 中山大洋电机股份有限公司 | A kind of plastic packaging stator and application motor thereof |
| CN106787454B (en) * | 2017-02-22 | 2023-04-11 | 浙江永发机电有限公司 | Servo motor |
| CN207000736U (en) * | 2017-03-20 | 2018-02-13 | 苏州八方电机科技有限公司 | The bicycle drive train system of wheel hub motor combined axis transmission |
| CN206707500U (en) * | 2017-04-22 | 2017-12-05 | 广州市比丽普电子有限公司 | A kind of electronic gas spring device of low-frictional force |
| CN207793657U (en) * | 2017-12-04 | 2018-08-31 | 浙江三星机电股份有限公司 | A kind of novel barrel washing machine novel clutch |
| CN207531002U (en) * | 2017-12-18 | 2018-06-22 | 安徽梵凯思数码科技有限公司 | A kind of WiFi speakers mobile fixture |
-
2018
- 2018-09-28 CN CN201811139241.9A patent/CN109194006B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109194006A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109194006B (en) | Motor | |
| CN112879420B (en) | Ceramic bearing | |
| CN109104028B (en) | Motor radiating control method | |
| CN109104043B (en) | Motor | |
| CN109412336A (en) | Electric motor and controller method | |
| CN108574375B (en) | Pump motor and integrated heat pump that has it | |
| CN109599992A (en) | Electric motor and controller method | |
| CN109245403A (en) | Motor radiating control method | |
| CN215186249U (en) | Double-speed motor | |
| CN109120106B (en) | Motor | |
| CN211370809U (en) | Fan mandrel anti-tilting structure | |
| CN210898811U (en) | Transmission machine and fan | |
| CN219394615U (en) | Air-cooled medium-high speed motor | |
| CN204226228U (en) | Oil-leakage-prevention decompression radiation fan | |
| CN216518613U (en) | Pump and vehicle | |
| CN109256882B (en) | Motor and manufacturing and mounting method thereof | |
| CN107387415B (en) | Rotary compressor and refrigeration equipment | |
| CN220067086U (en) | Motor casing foundry goods with damping bearing function | |
| CN210565828U (en) | Bearing seat capable of dissipating heat | |
| CN219345341U (en) | Motor friction plate for braking | |
| CN213176064U (en) | Electronic water pump with accommodation space | |
| CN118083737B (en) | Self-adaptive vibration reduction assembly of elevator traction machine | |
| CN112583188A (en) | Motor with shock attenuation effect | |
| CN219013168U (en) | Air suspension bearing protection device | |
| CN217682071U (en) | General type bearing frame suitable for water pump generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: electrical machinery Effective date of registration: 20230829 Granted publication date: 20190820 Pledgee: Industrial and Commercial Bank of China Limited Shangyu sub branch Pledgor: ZHEJIANG JIANG YU MOTOR Co.,Ltd. Registration number: Y2023980054344 |