CN206004434U - A kind of slot wedge structure preventing magnet steel from flying out - Google Patents
A kind of slot wedge structure preventing magnet steel from flying out Download PDFInfo
- Publication number
- CN206004434U CN206004434U CN201621029890.XU CN201621029890U CN206004434U CN 206004434 U CN206004434 U CN 206004434U CN 201621029890 U CN201621029890 U CN 201621029890U CN 206004434 U CN206004434 U CN 206004434U
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- CN
- China
- Prior art keywords
- slot wedge
- dovetail
- magnet steel
- trapezoidal
- installation position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of slot wedge structure preventing magnet steel from flying out, belong to high-voltage permanent magnet synchronous machine field.Slot wedge of the present utility model is trapezoidal strip for cross section, and the both sides of slot wedge form dovetail shoulder gap to being externally provided with dovetail boss, the both sides of dovetail boss with the side of slot wedge；Slot wedge is arranged on the slot wedge installation position of magnet steel groove over top, the cross section of slot wedge installation position is trapezoidal, this trapezoidal bottom size is more than the top dimension of magnet steel groove, this trapezoidal bottom size is more than trapezoidal top dimension, the both sides of slot wedge installation position outwards offer dovetail groove, and the both sides of this dovetail groove form dovetail shoulder with the side of slot wedge installation position.It is firm that this utility model makes slot wedge install, and prevents magnet steel from flying out, meets the job requirement of high capacity motor.
Description
Technical field
This utility model is related to high-voltage permanent magnet synchronous technical field of motors, more particularly, it relates to one kind prevents magnet steel from flying
The slot wedge structure going out.
Background technology
High-voltage permanent magnet synchronous motor stator adopts improved threephase asynchronous stator, and rotor is using embedded rare earth permanent magnet
The solid construction of material, have compared with asynchronous machine efficiency high, power factor is high, loss is little, economize on electricity the features such as, its application
Energy-saving and emission-reduction are had great importance.Kind is had to be split type in rotor core, multiple Split-type rotor iron cores are spaced substantially equidistant,
Between leave magnet steel groove, for placing rare earth permanent-magnetic material (magnet steel), magnet steel needs be stamped slot wedge, prevents in motor work process
Magnet steel flies out.
The slot wedge of early stage is rectangle and del, is fixed, but this mode rubs relatively by the way of interference fit
Little, easily fly out.Slot wedge developed trapezoidal, the such as patent No. later：200820089238.6, patent name：There is trapezium structure
The permanent magnet machine rotor of rotor slot wedge, which discloses a kind of slot wedge structure, and magnetic pole groove top has dovetail groove, mutually fits therewith
The slot wedge joined is trapezium structure, compares traditional rectangular configuration, it is possible to provide stronger resistance, prevents rotor slot wedge from departing from rotor
Body；Spot welding is carried out to rotor slot wedge, can effectively prevent rotor slot wedge from play occurring.Learn through production practices, for small electrical
For motivation, trapezoidal slot wedge effectively solves the problems, such as that magnet steel easily flies out, but is not to be highly suitable for Large Electric
Machine, its frictional force still not meets requirement, and stability is treated to improve further.
Utility model content
1. utility model technical problem to be solved
The purpose of this utility model is to overcome the shortcomings of the problems referred to above in prior art, there is provided one kind prevents magnet steel from flying
The slot wedge structure going out.Slot wedge is installed firm, prevent magnet steel from flying out, meet the job requirement of high capacity motor.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is：
A kind of slot wedge structure preventing magnet steel from flying out of the present utility model, described slot wedge is trapezoidal strip for cross section
Shape, the both sides of described slot wedge form dovetail shoulder gap to being externally provided with dovetail boss, the both sides of described dovetail boss with the side of slot wedge；
Described slot wedge is arranged on the slot wedge installation position of magnet steel groove over top, and the cross section of described slot wedge installation position is trapezoidal,
This trapezoidal bottom size is more than the top dimension of magnet steel groove, and this trapezoidal bottom size is more than trapezoidal top dimension, described
The both sides of slot wedge installation position outwards offer dovetail groove, and the both sides of this dovetail groove form dovetail with the side of slot wedge installation position
Shoulder.
Further improve as this utility model, when described slot wedge is installed into slot wedge installation position, dovetail groove with
Dovetail boss is adapted, and dovetail shoulder is stuck at dovetail shoulder gap.
Further improve as this utility model, the material of described slot wedge is copper.
Further improve as this utility model, the described trapezoidal bar part of slot wedge and dovetail projection section are one
Body formula pours.
3. beneficial effect
The technical scheme being provided using this utility model, compared with prior art, is had the advantages that：
A kind of slot wedge structure preventing magnet steel from flying out of the present utility model, slot wedge cross section is trapezoidal, and sets at its two ends
There is dovetail boss, match with the dovetail groove of slot wedge mounting portion, increase the mounting stability of slot wedge, prevent its play, effectively
Seal magnet steel, even being applied to large-size machine, also can effectively prevent magnet steel flies out it is ensured that production safety.And this practicality
Rationally, principle is simple, is easy to promote the use of for new structural design.
Brief description
Fig. 1 is a kind of slot wedge structure schematic diagram preventing magnet steel from flying out of the present utility model；
Fig. 2 is the enlarged diagram in Figure 1A portion；
Fig. 3 is the cross-sectional structure schematic diagram of slot wedge of the present utility model；
Fig. 4 installs longitudinal schematic diagram for this utility model slot wedge.
Label declaration in schematic diagram：
1st, rotating shaft；2nd, yoke sleeve；3rd, Split-type rotor iron core；4th, copper sheet groove；5th, magnet steel groove；6th, slot wedge installation position；
7th, bolt；8th, dovetail groove；81st, dovetail shoulder；9th, dovetail boss；91st, dovetail shoulder gap；10th, slot wedge.
Specific embodiment
For further appreciating that content of the present utility model, in conjunction with drawings and Examples, this utility model is described in detail.
Embodiment 1
As shown in Figure 2 to Figure 3, a kind of slot wedge structure preventing magnet steel from flying out, described slot wedge (10) is trapezoidal for cross section
Strip, the both sides of described slot wedge (10) are to being externally provided with dovetail boss (9), the both sides of described dovetail boss (9) and slot wedge
(10) side forms dovetail shoulder gap (91)；Described slot wedge (10) is arranged on the slot wedge installation position of magnet steel groove (5) over top
(6) cross section of, described slot wedge installation position (6) is trapezoidal, and this trapezoidal bottom size is more than the top chi of magnet steel groove (5)
Very little, this trapezoidal bottom size is more than trapezoidal top dimension, and the both sides of described slot wedge installation position (6) outwards offer dovetail
Groove (8), the both sides of this dovetail groove (8) form dovetail shoulder (81) with the side of slot wedge installation position (6), and described slot wedge (10) is pacified
When putting into slot wedge installation position (6), dovetail groove (8) is adapted with dovetail boss (9), and dovetail shoulder (81) is stuck in dovetail shoulder gap (91)
Place.The material of described slot wedge (10) be copper, can be motor provide detent torque, the described trapezoidal bar part of slot wedge (10) and
Dovetail boss (9) partly pours for integral type.
A kind of slot wedge structure preventing magnet steel from flying out of the present embodiment is applied in high-voltage permanent magnet synchronous motor as Fig. 1 institute
Show, yoke sleeve 2 is sheathed on the outside of described rotating shaft 1 by bolt 7, Split-type rotor iron core 3 is equidistant to be attached to described magnetic
The periphery of yoke bush cylinder 2, leaves magnet steel groove 5 and slot wedge installation position 6, is inserted with magnetic in described magnet steel groove 5 between Split-type rotor iron core 3
Steel, described slot wedge installation position 6 is located at the over top of magnet steel groove 5, and slot wedge installation position 6 is provided with the slot wedge sealing magnet steel
10, the cross section of described slot wedge installation position 6 is trapezoidal, and this trapezoidal bottom size is more than the top dimension of magnet steel groove 5, this ladder
The bottom size of shape is more than trapezoidal top dimension, and the both sides of described slot wedge installation position 6 outwards offer dovetail groove 8, this swallow
The both sides of stern notch 8 form dovetail shoulder 81, the shape of described slot wedge 10 and slot wedge installation position 6 with the side of slot wedge installation position 6
It is adapted, described slot wedge 10 is trapezoidal strip for cross section, the both sides of described slot wedge 10 are to being externally provided with and above-mentioned dovetail groove 8
The dovetail boss 9 being adapted, the side of the both sides of described dovetail boss 9 and slot wedge 10 forms dovetail shoulder gap 91, described slot wedge
10 when being installed into slot wedge installation position 6, and dovetail groove 8 is adapted with dovetail boss 9, and dovetail shoulder 81 is stuck at dovetail shoulder gap 91, institute
State Split-type rotor iron core 3 periphery and have some copper sheet grooves 4, in copper sheet groove 4, be placed with copper sheet, copper sheet starts Mus with end ring composition
Cage.
Below schematically this utility model and embodiments thereof are described, this description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, without departing from this utility model create objective in the case of, design without creative
The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. a kind of slot wedge structure preventing magnet steel from flying out it is characterised in that：Described slot wedge (10) is trapezoidal strip for cross section
Shape, the both sides of described slot wedge (10) are to being externally provided with dovetail boss (9), the both sides of described dovetail boss (9) and the side of slot wedge (10)
Face forms dovetail shoulder gap (91)；Described slot wedge (10) is arranged on the slot wedge installation position (6) of magnet steel groove (5) over top, described
Slot wedge installation position (6) cross section be trapezoidal, this trapezoidal bottom size be more than magnet steel groove (5) top dimension, this ladder
The bottom size of shape is more than trapezoidal top dimension, and the both sides of described slot wedge installation position (6) outwards offer dovetail groove (8),
The both sides of this dovetail groove (8) form dovetail shoulder (81) with the side of slot wedge installation position (6).
2. a kind of slot wedge structure preventing magnet steel from flying out according to claim 1 it is characterised in that：Described slot wedge (10)
When being installed into slot wedge installation position (6), dovetail groove (8) is adapted with dovetail boss (9), and dovetail shoulder (81) is stuck in dovetail shoulder gap
(91) place.
3. a kind of slot wedge structure preventing magnet steel from flying out according to claim 2 it is characterised in that：Described slot wedge (10)
Material be copper.
4. a kind of slot wedge structure preventing magnet steel from flying out according to claim 3 it is characterised in that：Described slot wedge (10)
Trapezoidal bar part and dovetail boss (9) partly pour for integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029890.XU CN206004434U (en) | 2016-08-31 | 2016-08-31 | A kind of slot wedge structure preventing magnet steel from flying out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029890.XU CN206004434U (en) | 2016-08-31 | 2016-08-31 | A kind of slot wedge structure preventing magnet steel from flying out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004434U true CN206004434U (en) | 2017-03-08 |
Family
ID=58192606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621029890.XU Expired - Fee Related CN206004434U (en) | 2016-08-31 | 2016-08-31 | A kind of slot wedge structure preventing magnet steel from flying out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206004434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769422A (en) * | 2017-12-04 | 2018-03-06 | 南京磁谷科技有限公司 | A kind of super high speed motor slot wedge |
-
2016
- 2016-08-31 CN CN201621029890.XU patent/CN206004434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769422A (en) * | 2017-12-04 | 2018-03-06 | 南京磁谷科技有限公司 | A kind of super high speed motor slot wedge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20200831 |