CN207766085U - Armature spindle gravity offset type internal rotor permanent-magnetic motor - Google Patents
Armature spindle gravity offset type internal rotor permanent-magnetic motor Download PDFInfo
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- CN207766085U CN207766085U CN201721888770.XU CN201721888770U CN207766085U CN 207766085 U CN207766085 U CN 207766085U CN 201721888770 U CN201721888770 U CN 201721888770U CN 207766085 U CN207766085 U CN 207766085U
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- 230000005484 gravity Effects 0.000 title claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
A kind of armature spindle gravity offset type internal rotor permanent-magnetic motor, it is unreasonable to solve structure design existing for existing magneto, increases main screw lift and manufacturing cost, safeguards that dismounting is difficult, the problems such as reducing the service life.Including engine base, the armature spindle and rotor core, rotor assembly and stator line packet fitted together by bearing and engine base is characterized in that：Armature spindle is biased to the centre offset armature spindle of driving side using center of gravity, the driving side diameter of axle for being provided with seam allowance is thicker relative to the support-side diameter of axle for being provided with load reduction groove, and by driving the inside and outside gland of bearing on side end cap to be assembled with the deep groove ball bearing or cylinder roller bearing in aperture corresponding with the diameter of axle, by supporting the inside and outside gland of bearing on side end cap to be assembled with the angular contact bearing group in aperture corresponding with the diameter of axle.Its is reasonable in design, and material-saving mitigates weight, and handling, attended operation are easy, and advantageously reduce cost, it is ensured that motor operation is stablized, and improves performance, prolongs the service life.
Description
Technical field
The utility model is related to a kind of internal rotor permanent-magnetic motor, especially one kind capable of bearing prodigious bi-directional axial simultaneously
The armature spindle gravity offset type internal rotor permanent-magnetic motor of load, radial load and larger torque.It is long-term to be particularly suitable for ship
It is operated in top to bottom, left and right, front and rear swing and inclined operating mode, belongs to magneto technical field.
Background technology
Under normal conditions, magneto is typically employed in land, but as scientific and technological being constantly progressive, magneto
Gradually the fields such as ship are applied to substitute the diesel engine that efficiency is low and the high asynchronous machine that consumes energy, replacement are seriously polluted.Ship
Oceangoing ship is exercised in ocean, and due to being to encounter wind and waves weather, ship very serious top to bottom, left and right, front and rear can swing and tilt,
The heart " motor " of ship will be as ship same frequency be with the swing and inclination of amplitude, and the bearing of motor side is subjected at this time
Axial load from both direction, while rotor axis of electric still suffers from the larger torque of propeller for vessels offer, therefore hold
By the energy force difference of multi-directional load.This is the main problem that marine electrical motors encounter at work, however another existing problem
It is the manufacturing cost of marine electrical motors.In recent years, it due to shipping industry economic depression, competes between of the same trade and increasingly swashs
It is strong, thus the manufacturing cost of ship is required it is also lower and lower, and performance then require it is higher and higher.In order to solve it is above-mentioned this
Kind contradiction, there is an urgent need to develop go out a kind of magneto efficiently, inexpensive.
In " a kind of electronic automobile-used permanent-magnet DC brushless of setoff installation structure that patent announcement number is CN 104578658B
In motor ", disclosed structure includes end cap, rotor assembly, field frame assembly and motor shaft.Since fixing bracket is in right-hand offset knot
Structure is asymmetric bifurcated triangle, and left side does not have support construction, and iron core deformation can be made to increase, so when motor works normally,
Iron core will be influenced the stability and reliability of motor work by larger torque.In addition, fixing bracket bottom both ends are fastenedly connected
Fixed hub, fixed hub are fixed in right-hand offset, and this structure can make the mass centre of field frame assembly be biased to right side, right side bearing
The radial load of carrying is bigger than left side, and as can be seen from the figure left and right sides is same type of bearing, the specification ratio on right side
Left side it is small, the diameter of axle is thin on the left of the diameters of axle ratio of right side, this can cause it is short on the left of the bearing life ratio of right side, to reduce entire motor
Service life.Fixed hub is interference fit with motor shaft, and motor shaft is equipped with knurling structure, examination with fixed hub connecting portion
Figure improves fastening effect, and still, this structure will lead to field frame assembly when something goes wrong, needs to remove fixed hub, makes dismounting
Job very difficult, even if fixed hub and motor connection axle may also can be caused to scrap after removing, in some instances it may even be possible to which it is basic to cause
It can not dismantle.Because its rotor assembly is by setting the magnetic guiding loop being welded and fixed in left avertence positioned at peripheral wheel rim, wheel rim inner periphery, being located at
Fixed ring on the right side of magnetic guiding loop and the permanent magnet for being mounted on magnetic guiding loop inner periphery are constituted, therefore wheel rim is welded with magnetic guiding loop, welds meeting
A large amount of heat is generated, increases the deflection of magnetic guiding loop, causes permanent magnetism external surface Nian Jie with wheel rim inner periphery insecure, easily make forever
Magnet is detached from wheel rim；Magnetic guiding loop left avertence is set, and fixing bracket and fixed hub right-hand offset do not only result in non-brush permanent-magnet DC motor
Appearance and size increases, and also adds the weight and manufacturing cost of complete machine.What fixing bracket bottom both ends were fastenedly connected consolidates
It is cylindrical surface to determine sleeve outer surface, is fastenedly connected very inconvenient, and is not easy locking；If it is flat to process seam allowance on cylindrical surface
Face increases the machining processes of part, improves manufacturing cost.
Utility model content
The purpose of this utility model is to provide a kind of armature spindle gravity offset type internal rotor permanent-magnetic motors, solve existing
Structure design existing for magneto is unreasonable, increases main screw lift and manufacturing cost, safeguards that dismounting is difficult, reduces and use the longevity
The problems such as life, reasonable in design, not only material-saving, mitigation weight, handling, attended operation are easy, and advantageously reduce into
This, it is ensured that motor operation is stablized, and improves performance, prolongs the service life.
Technical solution used by the utility model is：The armature spindle gravity offset type internal rotor permanent-magnetic motor includes machine
Seat, the armature spindle and rotor core, rotor assembly and stator line packet, technology fitted together by bearing and engine base are wanted
Putting is：The armature spindle is biased to the centre offset armature spindle of driving side using center of gravity, and centre offset armature spindle is provided with seam allowance
The driving side diameter of axle is thicker relative to the support-side diameter of axle for being provided with load reduction groove, and is driven on side end cap by being fixedly connected on engine base
The inside and outside gland of inboard bearing, the deep-groove ball in aperture corresponding with the driving side diameter of axle is assembled with using driving side locking nut
Bearing or cylinder roller bearing utilize branch by the inside and outside gland of the support-side bearing being fixedly connected on sole plate supports side end cap
Support side locking nut is assembled with the angular contact bearing group in aperture corresponding with the support-side diameter of axle.
Bearing in the angular contact bearing group is using face-to-face or back-to-back be assembled in the inside and outside gland of support-side bearing
Between.
The support-side bearing external pressure cover cavity is assembled with rotary transformer, and periphery is provided with subtracting for wall thickness transition connection
Load formula groove.
The centre offset armature spindle is connected as one with rotor core.
The utility model has the advantage that and good effect is：Since the armature spindle of the utility model is biased to drive using center of gravity
The centre offset armature spindle of dynamic side, driving side projecting shaft output torque are subjected to larger torque and larger radial load, prop up
Support side is not subject to torque, but needs to bear the radial load of larger bi-directional axial load and very little, and centre offset armature spindle is set
The driving side diameter of axle for being equipped with seam allowance is thicker relative to the support-side diameter of axle for being provided with load reduction groove, so its is reasonable in design, no
Only material-saving, mitigation weight, handling, attended operation are easy, and advantageously reduce cost.
In addition because being assembled with the deep groove ball bearing or circle in aperture corresponding with the driving side diameter of axle using driving side locking nut
Column roller bearing, therefore driving side is made to have enough bearing capacitys, larger radial load, while driving side armature spindle can be born
Diameter is thicker, can bear larger torque.And the support-side rotor diameter of axle is thinner, need not bear torque, is locked using support-side
Nut is assembled with the angular contact bearing group in aperture corresponding with the support-side diameter of axle, and support-side is enable to bear two-way larger axial direction
Load and smaller radial, so that it is guaranteed that motor operation is stablized, improve performance, prolong the service life to load.
Therefore, the utility model solves that structure design existing for existing magneto is unreasonable, increases the weight of complete machine
The problems such as amount and manufacturing cost safeguard that dismounting is difficult, reduce service life.Due to the armature spindle gravity offset type internal rotor
The support-side of magneto can bear prodigious bi-directional axial load and radial load simultaneously, and driving side can bear larger turn
Square and radial load, so swinging and tilting the marine electrical motors under operating mode especially suitable for long-term work.
Description of the drawings
The utility model is further described below in conjunction with attached drawing.
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is a kind of dimensional structure diagram of support-side bearing outer press cover in Fig. 1.
Number explanation in figure：1 engine base, 2 support side end caps, 3 angular contact bearing groups, 4 support-side bearing outer press covers, 5 supports
Side locking nut, 6 rotary transformers, the off-load formula groove of 6-1 wall thickness transition connections, 7 support-side bearing internal glands, 8 stators
Line packet, 9 rotor cores, 10 centre offset armature spindles, 10-1 seam allowances, 11 driving side end caps, 12 inboard bearing internal glands, 13 are deeply
Ditch ball bearing or cylinder roller bearing, 14 driving side locking nuts, 15 inboard bearing outer press covers, 16 load reduction grooves.
Specific implementation mode
The concrete structure of the utility model is described in detail according to Fig. 1~3, the armature spindle gravity offset type internal rotor permanent-magnetic electricity
Machine is cannot to bear two-way big axial load, armature spindle for armature spindle on the basis of existing permanent magnet machine rotor axle construction
The problems such as manufacturing cost is high and the Curve guide impeller carried out, therefore be easily achieved.It includes engine base 1, passes through 1 group of bearing and engine base
The armature spindle being fitted together and rotor core 9, the parts such as rotor assembly and stator line packet 8.Due to wherein centre offset armature spindle
10 driving side projecting shaft output torques are subjected to larger torque and larger radial load, and support-side is not subject to torque, but needs
The radial load for bearing larger bi-directional axial load and very little saves raw material, and then drop to mitigate armature spindle weight
Low production cost and convenient for assembly, so armature spindle is biased to the centre offset armature spindle 10 of driving side using center of gravity.Centre offset
The support-side of armature spindle 10 is provided with load reduction groove 16, driving side is provided with seam allowance 10-1.The centre offset armature spindle of rotor assembly
10 are connected as one with rotor core 9, and rotor assembly passes through the stator line packet 8 in casing 1, support-side bearing outer press cover 4
Inner cavity is assembled with rotary transformer 6, and periphery is provided with the off-load formula groove 6-1 of wall thickness transition connection, to ensure good casting
The property made and material is further saved, loss of weight weight.Centre offset armature spindle 10 in the present embodiment is provided with seam allowance 10-1's
The driving side diameter of axle is thicker relative to the support-side diameter of axle for being provided with load reduction groove 16, and drives side by being fixedly connected on engine base 1
The inside and outside gland 12,15 of inboard bearing on lid 11, is assembled with corresponding with the driving side diameter of axle using driving side locking nut 14
The deep groove ball bearing or cylinder roller bearing 13 in aperture；Pass through the support side axle being fixedly connected on the support side end cap 2 of engine base 1
Inside and outside gland 7,4 is held, the angular contact bearing group in aperture corresponding with the support-side diameter of axle is assembled with using support-side locking nut 5
3.Bearing in angular contact bearing group 3 is using face-to-face or back-to-back be assembled between the inside and outside gland of support-side bearing 7,4.
Because the support-side of the armature spindle gravity offset type internal rotor permanent-magnetic motor can bear prodigious bi-directional axial simultaneously
Load and radial load, driving side can bear larger torque and radial load, thus especially suitable for long-term work swinging and
Tilt the marine electrical motors under operating mode.
Claims (4)
1. a kind of armature spindle gravity offset type internal rotor permanent-magnetic motor, including engine base are fitted together by bearing and engine base
Armature spindle and rotor core, rotor assembly and stator line packet, it is characterised in that：The armature spindle is biased to driving using center of gravity
The centre offset armature spindle of side, centre offset armature spindle are provided with the driving side diameter of axle of seam allowance relative to the branch for being provided with load reduction groove
Support side axle diameter is thicker, and the inside and outside gland of inboard bearing by being fixedly connected on engine base driving side end cap, utilizes driving side
Locking nut is assembled with the deep groove ball bearing or cylinder roller bearing in aperture corresponding with the driving side diameter of axle, by being fixedly connected on
The inside and outside gland of support-side bearing on sole plate supports side end cap is assembled with and support-side diameter of axle phase using support-side locking nut
The angular contact bearing group in corresponding aperture.
2. armature spindle gravity offset type internal rotor permanent-magnetic motor according to claim 1, it is characterised in that：The angular contact
Bearing in bearing group is using face-to-face or back-to-back be assembled between the inside and outside gland of support-side bearing.
3. armature spindle gravity offset type internal rotor permanent-magnetic motor according to claim 1, it is characterised in that：The support-side
Bearing external pressure cover cavity is assembled with rotary transformer, and periphery is provided with the off-load formula groove of wall thickness transition connection.
4. armature spindle gravity offset type internal rotor permanent-magnetic motor according to claim 1, it is characterised in that：The center of gravity is inclined
Armature spindle is set to be connected as one with rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888770.XU CN207766085U (en) | 2017-12-29 | 2017-12-29 | Armature spindle gravity offset type internal rotor permanent-magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721888770.XU CN207766085U (en) | 2017-12-29 | 2017-12-29 | Armature spindle gravity offset type internal rotor permanent-magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766085U true CN207766085U (en) | 2018-08-24 |
Family
ID=63185731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721888770.XU Withdrawn - After Issue CN207766085U (en) | 2017-12-29 | 2017-12-29 | Armature spindle gravity offset type internal rotor permanent-magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947446A (en) * | 2017-12-29 | 2018-04-20 | 沈阳蓝光驱动技术有限公司 | Armature spindle gravity offset type internal rotor permanent-magnetic motor |
-
2017
- 2017-12-29 CN CN201721888770.XU patent/CN207766085U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947446A (en) * | 2017-12-29 | 2018-04-20 | 沈阳蓝光驱动技术有限公司 | Armature spindle gravity offset type internal rotor permanent-magnetic motor |
| CN107947446B (en) * | 2017-12-29 | 2024-06-25 | 沈阳蓝光驱动技术有限公司 | Rotor shaft gravity center offset type inner rotor permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180824 Effective date of abandoning: 20240625 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180824 Effective date of abandoning: 20240625 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |