CN208835870U - A kind of motor - Google Patents
A kind of motor Download PDFInfo
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- CN208835870U CN208835870U CN201821705132.4U CN201821705132U CN208835870U CN 208835870 U CN208835870 U CN 208835870U CN 201821705132 U CN201821705132 U CN 201821705132U CN 208835870 U CN208835870 U CN 208835870U
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- transverse bearing
- motor
- air cavity
- rotor
- transverse
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Abstract
The utility model discloses a kind of motors, comprising: motor stator, rotor, transverse bearing and motor case；Motor stator is set on rotor, and is located in motor case comprising motor stator core, machine winding and winding package；Motor stator core is set on rotor；Machine winding is wound on motor stator core；Winding package is coated in machine winding；Transverse bearing is set on rotor, between winding package and rotor, and radial clearance is radially formed between rotor.The motor in machine winding by coating winding package, transverse bearing is mounted between winding package and rotor, the space in winding package is taken full advantage of, effectively reduces the axial dimension of motor, the volume for greatly reducing motor improves the power density of motor.
Description
Technical field
The utility model relates to technical field of motor manufacture more particularly to a kind of motors.
Background technique
The revolving speed of high-speed motor is high, and volume is much smaller than the motor of common power, is used directly for high speed situation.Due to taking
Disappeared traditional gear, while having lesser rotary inertia, so high-speed motor has, power of motor density is high, transmission
It is high-efficient, the advantages that vibrating noise is small, and dynamic response is fast；And its is small in size, can effectively save material.
Since the revolving speed of high-speed motor is higher, the requirement to bearing is also higher, and high-speed motor uses air more at present
Bearing, air bearing can provide high running accuracy.Because air bearing does not have Mechanical Contact, the degree of wear is fallen below most
It is low, so that it is guaranteed that precision remains stable.
But according to the design feature of existing air bearing, the stator of air bearing is located at electricity as an individual part
The outside of machine winding, and it needs individual bearing block to support and fix, it is larger so as to cause the outer diameter of air bearing, length compared with
It is long, the axially and radially size of high-speed motor can be significantly increased, the volume for eventually leading to high-speed motor increases, and is unfavorable for motor function
The raising of rate density, at the same its install and use required for space it is big, limit the application and development of high-speed motor.
Summary of the invention
(1) goal of the invention
The purpose of the utility model is to provide a kind of motors, by coating winding package in machine winding, and will be radial
Bearing is mounted between winding package and rotor, is taken full advantage of the space in winding package, is effectively reduced motor
Axial dimension solves in the prior art since air bearing is mounted on the outside of machine winding, and it needs individual bearing block
It supports and fixes, leads to that the axial dimension of high-speed motor is big, volume increases, the technology for being unfavorable for the raising of power of motor density is asked
Topic.Motor provided by the utility model greatly reduces the volume of motor, improves by effectively reducing the axial dimension of motor
The power density of motor.
(2) technical solution
To solve the above problems, the utility model provides a kind of motor, comprising: motor stator, rotor, radial axle
It holds and motor case；The motor stator is set on the rotor, and is located in the motor case comprising: electricity
Machine stator iron core, machine winding and winding package；The motor stator core is set on the rotor；The motor around
Group is wound on the motor stator core；The winding package is coated in the machine winding；The transverse bearing is arranged
On the rotor, between the winding package and the rotor, and along diameter between the rotor
To formation radial clearance.The motor is mounted on winding package by coating winding package in machine winding, and by transverse bearing
Between rotor, the space in winding package is taken full advantage of, the axial dimension of motor is effectively reduced, greatly reduces
The volume of motor improves the power density of motor.
Further, the transverse bearing includes the first transverse bearing and the second transverse bearing；Shape inside the winding package
At there is rotor mounting hole, for being set in the rotor；The rotor mounting hole is along axial both ends point
It is not formed with the first transverse bearing bore and the second transverse bearing bore；First transverse bearing and second transverse bearing
It is located in the first transverse bearing bore and the second transverse bearing bore.By forming first in winding package
Transverse bearing bore and the second transverse bearing bore, and the first transverse bearing and the second transverse bearing are separately mounted to the first diameter
Into bearing saddle bore and the second transverse bearing bore, the axial dimension of motor is further reduced, is conducive to power of motor density
Raising.
Further, the radial clearance includes the first diameter formed between first transverse bearing and the rotor
To the second radial clearance formed between gap and second transverse bearing and the rotor；First transverse bearing
Outer wall on be formed with the first transverse bearing air cavity slot, the first transverse bearing air cavity slot and the first transverse bearing bore
Hole wall surround the first transverse bearing air cavity；The first transverse bearing air cavity is connected to first radial clearance, and with institute
State external air source connection；The second transverse bearing air cavity slot is formed on the outer wall of second transverse bearing, described second is radial
Bearing air cavity slot and the hole wall of the second transverse bearing bore surround the second transverse bearing air cavity；The second transverse bearing gas
Chamber is connected to second radial clearance, and is connected to the external air source.
Further, corresponding one end for installing first transverse bearing of the motor stator is provided with the first transverse bearing
Air cavity inlet channel, the first transverse bearing air cavity pass through the first transverse bearing air cavity inlet channel and the external gas
Source connection；Corresponding one end for installing second transverse bearing of the motor stator is provided with the second transverse bearing air cavity air inlet
Channel, the first transverse bearing air cavity are connected to by the second transverse bearing air cavity inlet channel with the external air source.
Further, the motor case includes motor case ontology and electric motor end cap, and the motor case ontology is located at
The outside of the motor stator and second transverse bearing, one end far from second transverse bearing form opening, institute
The outside that electric motor end cap is set in first transverse bearing is stated, and cover buckle is over said opening；
The first transverse bearing air cavity inlet channel extends radially through the winding package and the motor case ontology,
The first transverse bearing air cavity is connected to the external air source；Or the first transverse bearing air cavity inlet channel is along diameter
To the winding package, the machine winding and the motor case ontology is run through, by the first transverse bearing air cavity and institute
State external air source connection；And/or
The second transverse bearing air cavity inlet channel extends radially through the winding package and the motor case ontology,
The second transverse bearing air cavity is connected to the external air source；Or the second transverse bearing air cavity inlet channel is along diameter
To the winding package, the machine winding and the motor case ontology is run through, by the second transverse bearing air cavity and institute
State external air source connection.
Further, the motor further includes the first protective case and the second protective case: first protective case is embedded described
It in winding package, and is set on first transverse bearing, middle part is formed as the first transverse bearing bore；Described
Two protective cases are embedded in the winding package, and are set on second transverse bearing, and middle part is formed as described second
Transverse bearing bore.By the first protective case of setting and the second protective case, the first transverse bearing bore and the second radial direction are increased
The intensity of bearing saddle bore.
Further, first protective case and the electric motor end cap are integrally formed；Second protective case and the motor
Casing ontology is integrally formed.
Further, the first transverse bearing air cavity inlet channel extends radially through first protective case, the winding
Encapsulation and the motor case ontology, the first transverse bearing air cavity is connected to the external air source；Or described first
Transverse bearing air cavity inlet channel extends radially through first protective case, the winding package, the machine winding and described
The second transverse bearing air cavity is connected to by motor case ontology with the external air source；And/or the second transverse bearing gas
Chamber inlet channel extends radially through second protective case, the winding package and the motor case ontology, by described second
Transverse bearing air cavity is connected to the external air source；Or the second transverse bearing air cavity inlet channel extend radially through it is described
Second protective case, the winding package, the machine winding and motor case ontology, by the second transverse bearing air cavity and institute
State external air source connection.
Further, the second transverse bearing air cavity inlet channel is arranged close to the motor stator core in the axial direction.
Further, it is pre-buried gas that the first transverse bearing air cavity inlet channel, which is located at the part in the winding package,
Pipe；And/or it is pre-buried tracheae that the second transverse bearing air cavity inlet channel, which is located at the part in the winding package,；With/
Or at least one venthole is preset on the motor stator, the venthole will be located at the transverse bearing close to the motor
Gap between the motor stator and the rotor of stator core side is in communication with the outside.
Further, the motor further include: the first locating part and the second locating part being set on rotor；Described
One locating part is embedded in the electric motor end cap, and second locating part is embedded in second transverse bearing far from described the
In the motor case ontology of the side of one transverse bearing.
Further, the motor further include: be set to first transverse bearing and/or second transverse bearing is close
The third locating part of described motor stator core one end.
Further, dynamic pressure generation trough is provided on the inner wall of first transverse bearing；And/or second transverse bearing
Inner wall on be provided with dynamic pressure generation trough；Or position corresponding with first transverse bearing on the outer wall of the rotor
It installs and is equipped with dynamic pressure generation trough；And/or position corresponding with second transverse bearing is set on the outer wall of the rotor
It is equipped with dynamic pressure generation trough.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has following beneficial technical effect:
1, motor provided by the utility model is installed by coating winding package in machine winding, and by transverse bearing
Between winding package and rotor, the space in winding package is taken full advantage of, effectively reduces the axial dimension of motor,
It solves in the prior art since air bearing is mounted on the outside of machine winding, and it needs individual bearing seat supports and consolidates
It is fixed, lead to the technical issues of axial dimension of high-speed motor is big, volume increases, is unfavorable for the raising of power of motor density.This reality
The volume of motor is greatly reduced, motor is improved by being effectively reduced the axial dimension of motor with the motor of novel offer
Power density.
2, motor provided by the utility model, by being preset at least one venthole on motor stator, venthole will
It is in communication with the outside positioned at gap of the transverse bearing between the motor stator and rotor of motor stator core side.In this way
Adstante febre is operated in rotor, the expanding gas in the gap between motor stator and rotor can be discharged to the external world, and
It takes a breath with the external world, prevents from feeling suffocated inside motor stator, influence the service life of motor.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section for the motor that the utility model embodiment one provides；
Fig. 2 is the diagrammatic cross-section for the motor that the utility model embodiment two provides；
Fig. 3 is the exploded perspective view of the motor in Fig. 2；
Fig. 4 is the flow chart for the motor assembly method that an embodiment of the utility model embodiment three provides；
Fig. 5 is the flow chart for the motor assembly method that the another embodiment of the utility model embodiment three provides；
Fig. 6 is the flow chart for the motor assembly method that the utility model embodiment four provides.
Appended drawing reference:
1, motor stator, 11, motor stator core, 12, machine winding, 13, winding package, 2, rotor, 3, first
Transverse bearing, the 4, second transverse bearing, 5, motor case, 51, motor case ontology, the 511, first air inlet, 512, second into
Stomata, 52, electric motor end cap, the 6, first locating part, the 7, second locating part, the 8, first protective case, the 9, second protective case, 10, sealing
Part, P1, the first transverse bearing air cavity inlet channel, P2, the second transverse bearing air cavity inlet channel, T1, the first transverse bearing gas
Chamber, T2, the second transverse bearing air cavity.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
In the examples below, axial, radial direction is with the axial, radial for standard of rotor.
Embodiment one
Fig. 1 is the diagrammatic cross-section for the motor that the utility model embodiment one provides.
Fig. 1 is please referred to, in the utility model embodiment one, provides a kind of motor, comprising: motor stator 1, rotor
2, transverse bearing and motor case 5.
Wherein, motor stator 1 is set on rotor 2, and is located in motor case 5 comprising: motor stator core
11, machine winding 12 and winding package 13.
Motor stator core 11 is set on rotor 2；Machine winding 12 is wound on motor stator core 11；Winding
Encapsulation 13 is coated in machine winding 12；
Transverse bearing is set on rotor 2, between winding package 13 and rotor 2, and with rotor 2
Between be radially formed radial clearance.
By the way that transverse bearing is set on rotor 2, between winding package 13 and rotor 2, and with electricity
It is radially formed radial clearance between sub- rotor 2, to form radial air bearing.The transverse bearing can be hydrodynamic air axis
It holds, any one in pressure-feed air bearing or hybrid air bearing, when it is self-acting air bearing, in air
The position of the corresponding installation air bearing of the inner wall or rotor 2 of bearing is provided with dynamic pressure generation trough；When it is static air
When bearing, it is formed with transverse bearing air cavity slot on the outer wall of transverse bearing, is used to form transverse bearing air cavity, transverse bearing air cavity
It is connected to external air source, and is connected to radial clearance；When it is hybrid air bearing, which then has upper
The two kinds of structure features stated.
Optionally, winding package 13 is nonmetallic materials.
Optionally, nonmetallic materials include but is not limited to tubular molding compound (BMC), resin and rubber.
Motor provided in this embodiment by coating winding package 13 in machine winding 12, and transverse bearing is installed
Between winding package 13 and rotor 2, the space in winding package 13 is taken full advantage of, and winding package 13 functions simultaneously as
The mounting base of transverse bearing, effectively reduces the axial dimension of motor, solves in the prior art since air bearing is installed
In the outside of machine winding 12, and it needs individual bearing block to support and fix, and leads to that the axial dimension of high-speed motor is big, volume
The technical issues of increasing, being unfavorable for the raising of power of motor density.Motor provided by the utility model, by effectively reducing motor
Axial dimension, greatly reduce the volume of motor, improve the power density of motor.
In the present embodiment, transverse bearing includes the first transverse bearing 3 and the second transverse bearing 4.
Rotor mounting hole is formed with inside winding package 13, for being set in rotor 2；Rotor installation
Hole is respectively formed with the first transverse bearing bore and the second transverse bearing bore along axial both ends；First transverse bearing 3 and
Two transverse bearings 4 are located in the first transverse bearing bore and the second transverse bearing bore.Pass through the shape in winding package 13
It is installed respectively at the first transverse bearing bore and the second transverse bearing bore, and by the first transverse bearing 3 and the second transverse bearing 4
In the first transverse bearing bore and the second transverse bearing bore, the axial dimension of motor is substantially reduced, is conducive to motor function
The raising of rate density.
Wherein, the position of rotor mounting hole is corresponding with the position of motor stator core 11, the first transverse bearing seat
Hole and the position of the second transverse bearing bore are corresponding with the position of the first transverse bearing 3 and the second transverse bearing 4 respectively.
In the present embodiment, radial clearance includes between the first radial direction formed between the first transverse bearing 3 and rotor 2
The second radial clearance formed between gap and the second transverse bearing 4 and rotor 2.
The first transverse bearing 3 is described below and the second transverse bearing 4 is pressure-feed air bearing or hybrid air
Specific structure when bearing:
The first transverse bearing air cavity slot, the first transverse bearing air cavity slot and are formed on the outer wall of first transverse bearing 3
The hole wall of one transverse bearing bore surrounds the first transverse bearing air cavity T1；First transverse bearing air cavity T1 and the first radial clearance connect
It is logical, and be connected to external air source.
Optionally, the slot bottom of the first transverse bearing air cavity slot is disposed radially the stomata of perforation, so that the first radial axle
Air cavity T1 is held to be connected to the first radial clearance.
Optionally, the first transverse bearing air cavity T1 is respectively arranged with sealing element 10 along axial two sides, for the first diameter
Air seal into bearing air cavity T1, while damping effect can be played in 2 course of work of rotor.
Optionally, the first transverse bearing air cavity slot is respectively arranged with seal groove along axial two sides, and the seal groove is for holding
Receive sealing element 10.Specifically, seal groove is arranged on the outer wall of the first transverse bearing, and is located at the first transverse bearing air cavity slot
Two sides.
The second transverse bearing air cavity slot, the second transverse bearing air cavity slot and are formed on the outer wall of second transverse bearing 4
The hole wall of two transverse bearing bore surrounds the second transverse bearing air cavity T2；Second transverse bearing air cavity T2 and the second radial clearance connect
It is logical, and be connected to external air source.
Optionally, the slot bottom of the second transverse bearing air cavity slot is disposed radially the stomata of perforation, so that the second radial axle
Air cavity T2 is held to be connected to the second radial clearance.
Optionally, the second transverse bearing air cavity T2 is respectively arranged with sealing element 10 along axial two sides, for the second diameter
Air seal into bearing air cavity T2, while damping effect can be played in 2 course of work of rotor.
Optionally, the second transverse bearing air cavity slot is respectively arranged with seal groove along axial two sides, and the seal groove is for holding
Receive sealing element 10.Specifically, seal groove is arranged on the outer wall of the second transverse bearing, and is located at the second transverse bearing air cavity slot
Two sides.
Optionally, sealing element 10 is annular, and the shape of seal groove and the shape of sealing element 10 match.But the utility model
It is not limited system, the concrete shape and size of sealing element 10 and seal groove can appropriate adjustments according to actual needs.
Optionally, one end of the first transverse bearing 3 of corresponding installation of motor stator 1 be provided with the first transverse bearing air cavity into
Gas channel P1, the first transverse bearing air cavity T1 are connected to by the first transverse bearing air cavity inlet channel P1 with external air source.
Optionally, one end of the second transverse bearing 4 of corresponding installation of motor stator 1 be provided with the second transverse bearing air cavity into
Gas channel P2, the second transverse bearing air cavity T2 are connected to by the second transverse bearing air cavity inlet channel P2 with external air source.
Optionally, it is pre-buried tracheae that the first transverse bearing air cavity inlet channel P1, which is located at the part in winding package 13,.
Specifically, the first transverse bearing air cavity inlet channel P1 be located at the part in winding package 13 can for injection molding or encapsulating it
The tracheae of preceding pre-plugged, or the stomata of the post-processing of injection molding or encapsulating, herein with no restrictions.
Optionally, it is pre-buried tracheae that the second transverse bearing air cavity inlet channel P2, which is located at the part in winding package 13,.
Specifically, the second transverse bearing air cavity inlet channel P2 be located at the part in winding package 13 can for injection molding or encapsulating it
The tracheae of preceding pre-plugged, or the stomata of the post-processing of injection molding or encapsulating, herein with no restrictions.
Optionally, at least one venthole is preset on motor stator 1, venthole will be located at transverse bearing to be determined close to motor
Gap between the motor stator 1 and rotor 2 of sub- 11 side of iron core is in communication with the outside.It operates and sends out in rotor 2 in this way
When hot, the expanding gas in the gap between motor stator 1 and rotor 2 can be discharged to the external world, and take a breath with the external world,
It prevents from feeling suffocated inside motor stator 1, influences the service life of motor.
In the present embodiment, motor case 5 includes: motor case ontology 51 and electric motor end cap 52.
Motor case ontology 51 is located at the outside of motor stator 1 and the second transverse bearing 4, far from the second radial axle
The one end for holding 4 forms opening；Electric motor end cap 52 is set in the outside of the first transverse bearing 3, and cover buckle is in motor case ontology 51
Opening on.
It is logical with the first transverse bearing air cavity inlet channel P1 and the second transverse bearing air cavity air inlet on motor case ontology 51
The corresponding position road P2 is respectively arranged with the first air inlet 511 and the second air inlet 512.
First transverse bearing air cavity inlet channel P1 is connected to by the first air inlet 511 with external air source；Second radial axle
Air cavity inlet channel P2 is held to be connected to by the second air inlet 512 with external air source.
In the present embodiment, the first transverse bearing bore in winding package 13 and the second transverse bearing bore by around
The directly processing of group encapsulation 13 is formed, and position corresponding with the first transverse bearing bore is provided with and the first diameter on electric motor end cap 52
The hole to match to bearing saddle bore diameter, position corresponding with the second transverse bearing bore is provided on motor case ontology 51
The hole to match with the second transverse bearing bore diameter, the axis of winding package 13 and electric motor end cap 52 as the first transverse bearing 3
The bearing block of seat, winding package 13 and motor case ontology 51 as the second transverse bearing 4 is held, in the first transverse bearing 3 and
When two transverse bearings 4 are pressure-feed air bearing, winding package 13 and electric motor end cap 52 and motor case ontology 51 form static pressure
The stator of air bearing.In this case, the first transverse bearing air cavity inlet channel P1 and the second transverse bearing air cavity air inlet
Channel P2 specifically has following several set-up modes:
Optionally, the first transverse bearing air cavity inlet channel P1 extends radially through winding package 13 and motor case ontology
51, the first transverse bearing air cavity T1 is connected to the external air source.At this point, the first transverse bearing air cavity inlet channel P1 is only set
It sets in winding package 13, with machine winding 12 and non-intersecting, the tracheae that can be stomata or be embedded in winding package 13.
Optionally, the first transverse bearing air cavity inlet channel P1 extends radially through winding package 13, machine winding 12 and electricity
Second transverse bearing air cavity T2 is connected to by machine casing ontology 51 with external air source.At this point, the first transverse bearing air cavity inlet channel
P1 is arranged in winding package 13 and machine winding 12, can be the tracheae being embedded in machine winding 12 and winding package 13.
Optionally, the second transverse bearing air cavity inlet channel P2 is arranged close to motor stator core 11 in the axial direction, so that
Support force caused by the one end of second radial clearance far from the first radial clearance is maximum.
Pass through the position of the second transverse bearing air cavity inlet channel P2 or the first transverse bearing air cavity inlet channel P1
The span of adjustable first transverse bearing is adjusted, if there is heavier cantilever design in transverse bearing side, by by second
Transverse bearing air cavity inlet channel P2 or the first transverse bearing air cavity inlet channel P1 is mobile to centre, can increase radial axle
Span is held, the length of cantilever end is reduced.In the present embodiment, motor further include: the first limit being set on rotor
Part 6 and the second locating part 7.
First locating part 6 is embedded in electric motor end cap 52, and the second locating part 7 is embedded in second transverse bearing 4 far from the
In the motor case ontology 51 of the side of one transverse bearing 3.
Specifically, the first locating part 6 is located at side of first transverse bearing 3 far from the second transverse bearing 4；Second locating part
7 are located at side of second transverse bearing 4 far from the first transverse bearing 3.
Optionally, the first locating part 6 includes but is not limited to circlip.
Optionally, the second locating part 7 includes but is not limited to circlip.
Optionally, the first card slot to match with 6 shape of the first locating part is provided on motor case ontology 51.
Optionally, the second card slot to match with 7 shape of the second locating part is provided on electric motor end cap 52.
By the way that the first locating part 6 is arranged in the outside of the first transverse bearing 3, the setting the in the outside of the second transverse bearing 4
Two locating parts 7 carry out axially position to the first transverse bearing 3 and the second transverse bearing 4 respectively, prevent 3 He of the first transverse bearing
Second transverse bearing 4 falls off from rotor 2.
The first transverse bearing 3 is described below and the second transverse bearing 4 is self-acting air bearing or hybrid air
Specific structure when bearing:
Optionally, dynamic pressure generation trough is provided on the inner wall of the first transverse bearing 3；And/or second transverse bearing 4 inner wall
On be provided with dynamic pressure generation trough.
Optionally, position corresponding with the first transverse bearing 3 is provided with dynamic pressure generation trough on the outer wall of rotor 2；
And/or position corresponding with the second transverse bearing 4 is provided with dynamic pressure generation trough on the outer wall of rotor 2, to be formed dynamic
Press air bearing.
When rotor 2 rotates, the flowing gas for being present in radial clearance is pressed into dynamic pressure generation trough, to generate
Pressure is made rotor 2 float, is radially non-contactly kept with rotor 2.Wherein, dynamic pressure generation trough generates
The size of pressure is servo-actuated the difference of the angle for pressing generation trough, groove width, flute length, groove depth, slot number and flatness and changes.In addition,
The size that dynamic pressure generation trough generates pressure is also related with the rotation speed of rotor 2 and radial clearance.It can be according to reality
Operating condition is designed the parameter of dynamic pressure generation trough.Dynamic pressure generation trough can pass through the modes shape such as forging, rolling, etching or punching press
At.
Optionally, dynamic pressure generation trough is man type chute.By setting herringbone for dynamic pressure generation trough, can preferably draw
The gas in the first radial clearance and the second radial clearance is led to be pumped into and throw away.
The setting position of the dynamic pressure generation trough of the utility model and form include but is not limited to upper type, specific dynamic pressure
The setting position of generation trough and form can appropriate adjustments according to actual needs.
Motor provided in this embodiment by coating winding package 13 in machine winding 12, and transverse bearing is installed
Between winding package 13 and rotor, the space in winding package 13 is taken full advantage of, and winding package 13 functions simultaneously as
The mounting base of transverse bearing, effectively reduces the axial dimension of motor, solves in the prior art since air bearing is installed
In 12 outside of machine winding, and it needs individual bearing block to support and fix, and the axial big, volume of high-speed motor is caused to increase
The technical issues of adding, being unfavorable for the raising of power of motor density.Motor provided by the utility model, by effectively reducing motor
Axial dimension greatly reduces the volume of motor, improves the power density of motor.
Embodiment two
The present embodiment is the further improvement carried out on the basis of example 1, the difference of the present embodiment and embodiment one
Place is that the first transverse bearing bore and the second transverse bearing bore in the present embodiment and the structure in embodiment one are not
Together.
Fig. 2 is the diagrammatic cross-section for the motor that the utility model embodiment two provides.
Fig. 3 is the exploded perspective view of the motor in Fig. 2.
Referring to figure 2. and Fig. 3, wherein winding package 13, the first locating part 6, the second locating part 7 and close are omitted in Fig. 3
Sealing 10, in the present embodiment, the motor further include: the first protective case 8 and the second protective case 9.
First protective case 8 is embedded in winding package 13, and is set on the first transverse bearing 3, and middle part is formed as the
One transverse bearing bore；Second protective case 9 is embedded in winding package 13, and is set on the second transverse bearing 4, middle part shape
As the second transverse bearing bore.At this point, a part of the first protective case 8 as the bearing block of the first transverse bearing 3, second is protected
The a part of sheath 9 as the bearing block of the second transverse bearing 4.
Optionally, the first protective case 8 is integrally formed with electric motor end cap 52；Second protective case 9 and motor case ontology 51 1
It is body formed.But the utility model is not limited system, and the first protective case 8 and the second protective case 9 can also be otherwise arranged,
To form the first transverse bearing bore and the second transverse bearing bore.
Optionally, the first protective case 8 is identical as the material of electric motor end cap 52, the second protective case 9 and motor case ontology 51
Material it is identical.
Optionally, the first protective case 8 and the second protective case 9 are metal material.
By be arranged in winding package 13 first protective case 8 and the second protective case 9 formed the first transverse bearing bore and
Second transverse bearing bore improves the intensity of the first transverse bearing bore and the second transverse bearing bore.
In the present embodiment, the first transverse bearing bore in winding package 13 and the second transverse bearing bore utilize around
Group encapsulation 13 is embedded in the first protective case 8 and the formation of the second protective case 9, so that the first protective case 8 and the second protective case 9 are made respectively
It is that static pressure is empty in the first transverse bearing 3 and the second transverse bearing 4 for the bearing block of the first transverse bearing 3 and the second transverse bearing 4
When gas bearing, the first protective case 8 and the second protective case 9 are respectively formed the stator of pressure-feed air bearing.In this case, the first diameter
Specifically there are following several set-up modes to bearing air cavity inlet channel P1 and the second transverse bearing air cavity inlet channel P2:
Optionally, the first transverse bearing air cavity inlet channel P1 extends radially through the first protective case 8, winding package 13 and electricity
First transverse bearing air cavity T1 is connected to by machine casing ontology 51 with external air source.
Optionally, the first transverse bearing air cavity inlet channel P1 extends radially through the first protective case 8, winding package 13, electricity
Second transverse bearing air cavity T2 is connected to by machine winding 12 and motor case ontology 51 with external air source.
Optionally, the second transverse bearing air cavity inlet channel P2 extends radially through the second protective case 9, winding package 13 and electricity
Second transverse bearing air cavity T2 is connected to by machine casing ontology 51 with external air source.
Optionally, the second transverse bearing air cavity inlet channel P2 extends radially through the second protective case 9, winding package 13, electricity
Second transverse bearing air cavity T2 is connected to by machine winding 12 and motor case ontology 51 with external air source.
In the present embodiment, motor further include: be set to the first transverse bearing 3 and/or the second transverse bearing 4 close to electricity
The third locating part 14 of 11 one end of machine stator iron core.
Optionally, third locating part 14 of first transverse bearing 3 close to 11 one end of motor stator core can be with motor side
Lid 52 is integrally formed；Third locating part 14 of second transverse bearing 4 close to 11 one end of motor stator core can be with motor case
Ontology 51 is integrally formed.
Structure, position and the connection relationship of the other parts of motor in the present embodiment are the same as example 1, herein not
It repeats again.
Embodiment three
Fig. 4 is the method flow diagram for the motor assembly method that an embodiment of the utility model embodiment three provides.
Referring to figure 4., in an embodiment of the utility model embodiment three, a kind of motor assembly method is provided,
The assembly of motor suitable for embodiment one, comprising:
Machine winding 12 is wound on motor stator core 11 by S1；
Motor stator core 11 is installed in motor case ontology 51 by S2；
S3 carries out injection molding or encapsulating to machine winding 12, forms winding package 13, and motor is formed in winding package 13 and is turned
Sub- mounting hole；
S4 processes the first transverse bearing bore and the second transverse bearing along axial both ends in rotor mounting hole respectively
Bore；
Rotor 2 is inserted into rotor mounting hole by S5；
First transverse bearing 3 and the second transverse bearing 4 are covered respectively and are set on rotor 2, and be installed to the first diameter by S6
Into bearing saddle bore and the second transverse bearing bore.
Alternatively, S5, the first transverse bearing 3 and the second transverse bearing 4 are covered respectively and are set on rotor 2, and is installed to
In first transverse bearing bore and the second transverse bearing bore；
Rotor 2 is inserted into rotor mounting hole by S6.
That is: the installation step of rotor 2 and the first transverse bearing 3 and the second transverse bearing 4 is regardless of front and back, as long as being convenient for
Installation is just.
Specifically, the winding package 13 that step S3 obtain after injection molding or encapsulating to machine winding 12, which can be, has electricity
The structure of machine rotor mounting hole is finished by both ends of the step S4 to rotor mounting hole, and it is radial to can be obtained first
Bearing saddle bore and the second transverse bearing bore.
Fig. 5 is the method flow for the motor assembly method that the another embodiment of the utility model embodiment three provides
Figure.
Referring to figure 5., optionally, in the another embodiment of the utility model embodiment three, in step S2 and S3
Between, it further comprises the steps of:
S21 will be formed in the tracheae insertion motor case ontology 51 of the first transverse bearing air cavity inlet channel P1；Or it will
Form the tracheae insertion motor case ontology 51 of the first transverse bearing air cavity inlet channel P1 and through machine winding 12；
S22 will be formed in the tracheae insertion motor case ontology 51 of the second inlet channel of transverse bearing air cavity P2；Or it will
It forms the tracheae insertion motor case ontology 51 of the second inlet channel of transverse bearing air cavity P2 and runs through machine winding 12.
In the above-described embodiments, the motor assembly method, further includes:
First locating part 6 is set on rotor 2 and is embedded in electric motor end cap 52 by S7, for limiting the first diameter
Axial movement to bearing 3；
Second locating part 7 is set on rotor 2 and is embedded in motor case ontology 51 by S8, for limiting the
The axial movement of two transverse bearings 4.
In the above-described embodiments, the generator assembly method, further includes:
S9, will be in the opening of 52 cover buckle of electric motor end cap to motor case ontology 51.
The assembly of motor of the motor assembly method that the utility model embodiment three provides suitable for embodiment one.
Example IV
Fig. 6 is the method flow diagram for the motor assembly method that the utility model embodiment four provides.
Please refer to Fig. 6, the utility model embodiment four and embodiment three the difference is that, the utility model embodiment
The assembly of motor of the four motor assembly methods provided suitable for embodiment two.
In the present embodiment, which includes:
Machine winding 12 is wound on motor stator core 11 by S1；
S2, by motor stator core 11 be installed to in the integrally formed motor case ontology 51 of the second protective case 9, second
The second transverse bearing bore is formed in protective case 9；
S3 carries out injection molding or encapsulating to machine winding 12, forms winding package 13, and motor is formed in winding package 13 and is turned
Sub- mounting hole；
S4, by in integrally formed 52 cover buckle of electric motor end cap to the opening of motor case ontology 51 of the first protective case 8,
The first transverse bearing bore is formed in one protective case 8；
Rotor 2 is inserted into rotor mounting hole by S5；
First transverse bearing 3 and the second transverse bearing 4 are covered respectively and are set on rotor 2, and be installed to the first diameter by S6
Into bearing saddle bore and the second transverse bearing bore.
Step S5 and step S6 are also regardless of front and back in the embodiment, as long as being easily installed.
Other steps of motor assembly method in the present embodiment are identical as embodiment three, and details are not described herein.
It should be appreciated that the motor of the utility model, can matching thrust when being applied to specific rotor-support-foundation system or equipment
Bearing uses, and thrust bearing is for bearing the axial force that complete machine is subject to.
The utility model is intended to protect a kind of motor and its assembly method, has following beneficial technical effect:
1, motor provided by the utility model is mounted on by coating winding package in machine winding, and by transverse bearing
In winding package, using winding package as the stator of air bearing, the axial dimension of motor is effectively reduced, solves existing skill
Since air bearing is mounted on the outside of machine winding in art, and it needs individual bearing block to support and fix, and leads to high speed electricity
The technical issues of axial dimension of machine is big, volume increases, is unfavorable for the raising of power of motor density.Electricity provided by the utility model
Machine greatly reduces the volume of motor, improves the power density of motor by effectively reducing the axial dimension of motor.
2, motor assembly method provided by the utility model, assembly is simple, the motor obtained by the assembly method, axis
It is greatly reduced to size, so that the volume of the motor is substantially reduced, to improve the power density of motor.
Motor in the utility model is either generator is also possible to motor or starting-generating integrated motor.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification in equivalent form.
Claims (13)
1. a kind of motor characterized by comprising motor stator (1), rotor (2), transverse bearing and motor case (5)；
The motor stator (1) is set on the rotor (2), and is located in the motor case (5) comprising: electricity
Machine stator iron core (11), machine winding (12) and winding package (13)；
The motor stator core (11) is set on the rotor (2)；The machine winding (12) is wound on the electricity
On machine stator iron core (11)；The winding package (13) is coated on the machine winding (12)；
The transverse bearing is set on the rotor (2), is located at the winding package (13) and the rotor (2)
Between, and radial clearance is radially formed between the rotor (2).
2. motor according to claim 1, which is characterized in that
The transverse bearing includes the first transverse bearing (3) and the second transverse bearing (4)；
It is formed with rotor mounting hole inside the winding package (13), for being set in the rotor (2)；
The rotor mounting hole is respectively formed with the first transverse bearing bore and the second transverse bearing seat along axial both ends
Hole；
First transverse bearing (3) and second transverse bearing (4) are located at the first transverse bearing bore and institute
It states in the second transverse bearing bore.
3. motor according to claim 2, which is characterized in that
The radial clearance include the first radial clearance formed between first transverse bearing (3) and rotor (2) and
The second radial clearance formed between second transverse bearing (4) and the rotor (2)；
The first transverse bearing air cavity slot, the first transverse bearing air cavity are formed on the outer wall of first transverse bearing (3)
Slot and the hole wall of the first transverse bearing bore surround the first transverse bearing air cavity (T1)；The first transverse bearing air cavity
(T1) it is connected to first radial clearance, and is connected to the external air source；
The second transverse bearing air cavity slot, the second transverse bearing air cavity are formed on the outer wall of second transverse bearing (4)
Slot and the hole wall of the second transverse bearing bore surround the second transverse bearing air cavity (T2)；The second transverse bearing air cavity
(T2) it is connected to second radial clearance, and is connected to the external air source.
4. motor according to claim 3, which is characterized in that
Corresponding one end for installing first transverse bearing (3) of the motor stator (1) is provided with the first transverse bearing air cavity
Inlet channel (P1), the first transverse bearing air cavity (T1) pass through the first transverse bearing air cavity inlet channel (P1) and institute
State external air source connection；
Corresponding one end for installing second transverse bearing (4) of the motor stator (1) is provided with the second transverse bearing air cavity
Inlet channel (P2), the second transverse bearing air cavity (T2) pass through the second transverse bearing air cavity inlet channel (P2) and institute
State external air source connection.
5. motor according to claim 4, which is characterized in that
The motor case (5) includes motor case ontology (51) and electric motor end cap (52), motor case ontology (51) cover
It is located at the outside of the motor stator (1) and second transverse bearing (4), one far from second transverse bearing (4)
End forms opening, and the electric motor end cap (52) is set in the outside of first transverse bearing (3), and cover buckle is in the opening
On；
The first transverse bearing air cavity inlet channel (P1) extends radially through the winding package (13) and the motor case
The first transverse bearing air cavity (T1) is connected to by ontology (51) with the external air source；Or the first transverse bearing gas
Chamber inlet channel (P1) extends radially through the winding package (13), the machine winding (12) and the motor case ontology
(51), the second transverse bearing air cavity (T2) is connected to the external air source；And/or
The second transverse bearing air cavity inlet channel (P2) extends radially through the winding package (13) and the motor case
The second transverse bearing air cavity (T2) is connected to by ontology (51) with the external air source；Or the second transverse bearing gas
Chamber inlet channel (P2) extends radially through the winding package (13), the machine winding (12) and motor case ontology (51),
The second transverse bearing air cavity (T2) is connected to the external air source.
6. motor according to claim 5, which is characterized in that further include the first protective case (8) and the second protective case (9)；
First protective case (8) is embedded in the winding package (13), and is set on first transverse bearing (3),
Its middle part is formed as the first transverse bearing bore；
Second protective case (9) is embedded in the winding package (13), and is set on second transverse bearing (4),
Its middle part is formed as the second transverse bearing bore.
7. motor according to claim 6, it is characterised in that
First protective case (8) and the electric motor end cap (52) are integrally formed；
Second protective case (9) and the motor case ontology (51) are integrally formed.
8. motor according to claim 7, which is characterized in that
The first transverse bearing air cavity inlet channel (P1) extends radially through first protective case (8), the winding package
(13) and the motor case ontology (51), the first transverse bearing air cavity (T1) is connected to the external air source；Or
The first transverse bearing air cavity inlet channel (P1) extend radially through first protective case (8), the winding package (13),
The machine winding (12) and the motor case ontology (51), by the second transverse bearing air cavity (T2) and the external gas
Source connection；And/or
The second transverse bearing air cavity inlet channel (P2) extends radially through second protective case (9), the winding package
(13) and the motor case ontology (51), the second transverse bearing air cavity (T2) is connected to the external air source；Or
The second transverse bearing air cavity inlet channel (P2) extend radially through second protective case (9), the winding package (13),
The machine winding (12) and the motor case ontology (51), by the second transverse bearing air cavity (T2) and the external gas
Source connection.
9. the motor according to any one of claim 4-8, which is characterized in that
The second transverse bearing air cavity inlet channel (P2) is arranged close to the motor stator core (11) in the axial direction.
10. the motor according to any one of claim 4-8, which is characterized in that
It is pre-buried tracheae that the first transverse bearing air cavity inlet channel (P1), which is located at the part in the winding package (13),；
And/or
It is pre-buried tracheae that the second transverse bearing air cavity inlet channel (P2), which is located at the part in the winding package (13),；
And/or
At least one venthole is preset on the motor stator (1), the venthole will be located at the transverse bearing close to institute
The gap stated between the motor stator (1) and the rotor (2) of motor stator core (11) side is in communication with the outside.
11. the motor according to any one of claim 5-8, which is characterized in that further include: it is set in the motor and turns
The first locating part (6) and the second locating part (7) on sub (2)；
First locating part (6) is embedded in the electric motor end cap (52), and second locating part (7) is embedded described second
In the motor case ontology (51) of the side far from first transverse bearing (3) of transverse bearing (4).
12. the motor according to any one of claim 5-8, which is characterized in that further include: it is set to first diameter
To bearing (3) and/or the third locating part of the close motor stator core (11) one end of second transverse bearing (4)
(14)。
13. the motor according to any one of claim 3-8, which is characterized in that
Dynamic pressure generation trough is provided on the inner wall of first transverse bearing (3)；And/or second transverse bearing (4) is interior
Dynamic pressure generation trough is provided on wall；Or
Position corresponding with the first transverse bearing (3) is provided with dynamic pressure generation trough on the outer wall of the rotor (2)；
And/or position corresponding with the second transverse bearing (4) is provided with dynamic pressure on the outer wall of the rotor (2)
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705132.4U CN208835870U (en) | 2018-10-21 | 2018-10-21 | A kind of motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705132.4U CN208835870U (en) | 2018-10-21 | 2018-10-21 | A kind of motor |
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| Publication Number | Publication Date |
|---|---|
| CN208835870U true CN208835870U (en) | 2019-05-07 |
Family
ID=66319347
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821705132.4U Active CN208835870U (en) | 2018-10-21 | 2018-10-21 | A kind of motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193990A (en) * | 2018-10-21 | 2019-01-11 | 至玥腾风科技投资集团有限公司 | A kind of motor and its assembly method |
-
2018
- 2018-10-21 CN CN201821705132.4U patent/CN208835870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193990A (en) * | 2018-10-21 | 2019-01-11 | 至玥腾风科技投资集团有限公司 | A kind of motor and its assembly method |
| WO2020082964A1 (en) * | 2018-10-21 | 2020-04-30 | 至玥腾风科技集团有限公司 | Motor and assembly method therefor |
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Address after: 100029 room 104, No.101, building 3, yard a 29, North Third Ring Middle Road, Xicheng District, Beijing Patentee after: Zhiyue Tengfeng Technology Group Co.,Ltd. Address before: Room 301-1, No. 2 Xinfeng Street, Xicheng District, Beijing, 100088 (Desheng Park) Patentee before: TECHNOLOGIES' XANADU OF RESONATORY-SOLAR-SYSTEMED Co.,Ltd. |
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Effective date of registration: 20210119 Address after: 100029 room 104, No.101, building 3, yard a 29, North Third Ring Middle Road, Xicheng District, Beijing Patentee after: Zhiyue Tengfeng Technology Group Co.,Ltd. Patentee after: Jin Pu Address before: 100029 room 104, No.101, building 3, yard a 29, North Third Ring Middle Road, Xicheng District, Beijing Patentee before: Zhiyue Tengfeng Technology Group Co.,Ltd. |
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Effective date of registration: 20230602 Address after: 518063 10 Nanshan District Road, Gaoxin south, Nanshan District, Shenzhen, Guangdong. Patentee after: Liu Muhua Address before: 100176 room 1202a, 12 / F, block B, building 1, yard 19, Ronghua Middle Road, economic and Technological Development Zone, Daxing District, Beijing Patentee before: Jin Pu |
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