CN209562368U - A kind of linear induction traction electric machine iron core - Google Patents
A kind of linear induction traction electric machine iron core Download PDFInfo
- Publication number
- CN209562368U CN209562368U CN201920080469.9U CN201920080469U CN209562368U CN 209562368 U CN209562368 U CN 209562368U CN 201920080469 U CN201920080469 U CN 201920080469U CN 209562368 U CN209562368 U CN 209562368U
- Authority
- CN
- China
- Prior art keywords
- hole
- screw rod
- section
- electric machine
- traction electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of linear induction traction electric machine iron cores, including core stamping, base, screw rod and two fastening swivel nuts；The base includes two blocks of side plates disposed in parallel, and the side plate is equipped with first through hole；The core stamping is equipped with the second through-hole, the core stamping is located between two blocks of side plates, and second through-hole and first through hole is coaxially formed allows the channel that wears of screw rod, two fastening swivel nuts are sheathed on screw rod both ends respectively, and fasten swivel nut with the cooperation of first through hole tensioner, interference fit or transition fit so that the opposite base of screw rod be made to fix.The linear induction traction electric machine iron core of the utility model has many advantages, such as simple and practical, compact-sized regular, high reliablity and installation and easy to maintain.
Description
Technical field
The utility model relates to linear motor field more particularly to a kind of linear induction traction electric machine iron cores.
Background technique
The power resources that traction linear motor is advanced as locomotive are widely used in current track transportation industry, draw straight line
Motor is one of three-phase alternating current asynchronous motor supplied with variable frequency, under the Power Supplies Condition suitable for the changeable complexity of frequency.Draw straight-line electric
Machine consists of two parts, primary and tablet (or induction pole).Primary part is installed on locomotive, and it is fixed to be equivalent to conventional motors
Son, wherein core structure form is equivalent to typical round stator and is circumferentially unfolded, and is one flat plate stator in shape；Tablet
(or induction pole) is located on traction locomotive track, is commonly called as F rail.Primary and tablet is spaced a distance, and forms linear motor
Air gap.
Since the structure type of traction linear electric motor primary is special, when leading to symmetrical three-phase electricity, primary structure is asymmetric
It will cause magnetic field asymmetry, thus the distortion of field before and after causing primary.In addition, the effect of end leakage reactance also influences magnetic field point
Cloth causes motor torque complicated due to the difference in magnetic field.
Utility model content
Problem to be solved in the utility model is in view of the problems of the existing technology, to provide a kind of simple and practical, knot
The compact regular, high reliablity of structure and installation and linear induction traction electric machine iron core easy to maintain.
In order to solve the above technical problems, the utility model proposes technical solution are as follows:
A kind of linear induction traction electric machine iron core, including core stamping, base, screw rod and two fastening swivel nuts；The machine
Seat includes two blocks of side plates disposed in parallel, and the side plate is equipped with first through hole；The core stamping is equipped with the second through-hole, institute
It states core stamping to be located between two blocks of side plates, and the second through-hole and the coaxially formed channel for allowing screw rod to wear of first through hole,
Two fastening swivel nuts are sheathed on screw rod both ends respectively, and fasten swivel nut and the cooperation of first through hole tensioner, interference fit or mistake
Cooperation is crossed to make screw rod fix with respect to base.
As a further improvement of the above technical scheme:
The fastening swivel nut includes two sections of shaft parts, wherein one section is circular cross-section shaft part, another section is equilateral polygon section
Shaft part, the circular cross-section shaft part are matched with the inner hole of first through hole.
The first through hole is bellmouth, and is less than another lateral aperture, the fastening with the aperture of core stamping opposite side
The circular cross-section shaft part of swivel nut is equipped with the conoid end that end cross-sectional product is less than middle part sectional area, the cone of conoid end and first through hole
It spends identical.
The end of the circular cross-section shaft part is equipped with chamfering.
The inner hole of the fastening swivel nut includes that diameter is greater than the through hole section of screw rod and the thread segment with screw rod cooperation, described logical
Hole section is corresponding with circular cross-section shaft part, and thread segment is corresponding with equilateral polygon section shaft part.
Chamfering is equipped between the through hole section and thread segment.
The linear induction traction electric machine iron core further includes punching tooth support, at least one side and side plate of core stamping it
Between be folded with the punching tooth support.
Compared with the prior art, the advantages of the utility model are:
In the linear induction traction electric machine iron core of the utility model, core stamping be located in two blocks of side plates on base it
Between, limit it by side plate perpendicular to the one-movement-freedom-degree in side plate direction and around the rotational freedom of parallel side plate axis；
Through-hole is equipped on core stamping and side plate, screw rod is arranged in the through-hole in the two, and both ends are fixed by fastening swivel nut, and tight
Gu the cooperation of through-hole tensioner, interference fit or transition fit on swivel nut and side plate, so that the remaining freedom degree of core stamping is limited,
It is completely fixed core stamping relative to base.This fastening means being completely fixed keeps core structure more stable, and reduction is fallen
The risk for falling components, relative motion inside components, keeps base mechanism steady caused by can effectively prevent because of vibration or other external force
Qualitative variation, or make the complexity in magnetic field and torque field, cause the destruction to components.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the linear induction traction electric machine iron core of the utility model；
Fig. 2 is the half section structure diagram of the linear induction traction electric machine iron core of the utility model；
Fig. 3 and Fig. 4 is the cooperation schematic diagram that swivel nut and first through hole are fastened in embodiment 1；
Fig. 5 is the cooperation schematic diagram that swivel nut and first through hole are fastened in embodiment 2.
Marginal data: 1, core stamping；11, the second through-hole；2, base；21, side plate；211, first through hole；3, screw rod；4,
Fasten swivel nut；5, punching tooth support.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to practical new herein
Type, which is done, more comprehensively, meticulously to be described, but the protection scope of the utility model is not limited to following specific embodiments.
Embodiment 1:
As depicted in figs. 1 and 2, the linear induction traction electric machine iron core of the present embodiment, including core stamping 1, base 2, spiral shell
Bar 3 and two fastening swivel nuts 4；Base 2 includes two blocks of side plates 21 disposed in parallel, and side plate 21 is equipped with first through hole 211, iron core
Punching 1 is equipped with the second through-hole 11, and core stamping 1 is located between two blocks of side plates 21, makes it perpendicular to the shifting in 21 direction of side plate
It moves freedom degree and is limited around the rotational freedom of 21 axis of parallel side plate by side plate 21；Second through-hole 11 and first through hole
211 it is coaxially formed allow the channels that wear of screw rods 3, two fastening swivel nuts 4 are sheathed on 3 both ends of screw rod respectively, and fasten swivel nut 4 and
The cooperation of 211 tensioner of first through hole, interference fit or transition fit, to keep screw rod 3 fixed with respect to base 2, to limit iron core punching
The remaining freedom degree of piece 1, is completely fixed core stamping 1 relative to base 2.This fastening means being completely fixed makes iron core knot
Structure is more stable, reduces the risk for falling components, opposite inside components caused by can effectively prevent because of vibration or other external force
Movement makes base mechanical stability be deteriorated, or makes the complexity in magnetic field and torque field, causes the destruction to components.
During installation, first core stamping 1 is placed between two blocks of side plates 21 of base 2, screw rod 3 is passed through into first through hole
211 and second through-hole 11, screw rod 3 is anchored on side plate 21 with fastening swivel nut 4 later, since fastening swivel nut 4 is with side plate 21
When tensioner cooperation, interference fit or transition fit, gap is not present, therefore during the fastening process, during screw rod 3 can be found accurately automatically
Axis does not need centering early period or subsequent adjustment, enormously simplifies installation process.After the completion of fastening, then the edge that swivel nut 4 will be fastened
It is welded with the edge of first through hole 211, to enhance integral strength, the problems such as being not in nut loosening and fall part.
In the present embodiment, fastening swivel nut 4 include two sections of shaft parts, wherein one section be circular cross-section shaft part, another section be positive it is more
Side tee section shaft part, circular cross-section shaft part are matched with the inner hole of first through hole 211；Equilateral polygon section shaft part is convenient for and tool
Cooperation fastening installation.Swivel nut 4 is fastened in the present embodiment has regular hexagonal section shaft part, it in other embodiments, can also be with
Optionally be changed to other equilateral polygon sections, in addition, circular cross-section shaft part is cylindrical shaft part in the present embodiment, periphery with
It is that the change of each through-hole can also be positive polygon by interference or transition fit in other embodiments between first through hole 211
Shape hole or other irregularly-shaped holes, but it is regarded as the displacement of the present embodiment.
It is external that circular cross-section and regular hexagonal section as shown in Figure 3 can be both made in the fastening swivel nut 4 of the present embodiment
Structure can also optionally be made the regular hexagonal section of Fig. 4 such as and be slightly smaller than the ladder shaft-like structure of circular cross-section.
In the present embodiment, as shown in figure 4, chamfering can be equipped in the end of circular cross-section shaft part, fastening swivel nut 4 is facilitated to wear
Enter in first through hole 211, also facilitates the axis centering of fastening swivel nut 4 and first through hole 211.
In the present embodiment, the inner hole of fastening swivel nut 4 includes the spiral shell that diameter is greater than the through hole section of screw rod 3 and cooperates with screw rod 3
Line section, through hole section is corresponding with circular cross-section shaft part, facilitates being inserted in for screw rod 3, thread segment is opposite with equilateral polygon section shaft part
It answers, is fastened for cooperating with screw rod 3；It is equipped with chamfering between through hole section and thread segment, screw rod 3 is made faster to enter thread segment,
It can also prevent 3 end gouge of screw rod.
In the present embodiment, further includes punching tooth support 5, be folded between at least one side and side plate 21 of core stamping 1
Punching tooth support 5, punching tooth support 5 can uniformly transmit the fastening pressure of fastening swivel nut 4, make core stamping by equilibrium
Pressing force, is not only bonded even closer, also fastens total, enhancing structure integration.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, and unique difference is as shown in figure 5, first through hole in the present embodiment
211 be bellmouth, and is less than another lateral aperture with the aperture of 1 opposite side of core stamping, on the circular cross-section shaft part for fastening swivel nut 4
It is less than the conoid end of middle part sectional area equipped with end cross-sectional product, conoid end is identical as the taper of first through hole 211.It is being fastened
When, conoid end is both convenient for fastening being fastened and fixed for swivel nut 4, the concentricity of screw rod 3 and first through hole 211 is also further enhanced,
The positional accuracy for improving core stamping 1 optimizes the primary performance of motor.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment.For those skilled in the art, obtained by under the premise of not departing from the technical concept of the utility model
Modifications and variations also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of linear induction traction electric machine iron core, including core stamping (1) and base (2), it is characterised in that: further include screw rod
(3) and two fastening swivel nuts (4)；The base (2) includes two pieces of side plates (21) disposed in parallel, and the side plate (21) is equipped with
First through hole (211)；The core stamping (1) is equipped with the second through-hole (11), and the core stamping (1) is located in two blocks of side plates
(21) between, and the second through-hole (11) and first through hole (211) coaxially formed channel for allowing screw rod (3) to wear, described in two
Fastening swivel nut (4) is sheathed on screw rod (3) both ends respectively, and fastens swivel nut (4) and match with the cooperation of first through hole (211) tensioner, interference
It closes or transition fit is to keep screw rod (3) fixed with respect to base (2).
2. linear induction traction electric machine iron core according to claim 1, it is characterised in that: the fastening swivel nut (4) includes
Two sections of shaft parts, wherein one section is circular cross-section shaft part, another section is equilateral polygon section shaft part, the circular cross-section shaft part and the
The inner hole of one through-hole (211) matches.
3. linear induction traction electric machine iron core according to claim 2, it is characterised in that: the first through hole (211) is
Bellmouth, and it is less than another lateral aperture, the drawing method of fastening swivel nut (4) with the aperture of core stamping (1) opposite side
Section is equipped with the conoid end that end cross-sectional product is less than middle part sectional area, and conoid end is identical as the taper of first through hole (211).
4. linear induction traction electric machine iron core according to claim 2, it is characterised in that: the end of the circular cross-section shaft part
Portion is equipped with chamfering.
5. linear induction traction electric machine iron core according to any one of claim 2 to 4, it is characterised in that: the fastening
The inner hole of swivel nut (4) include diameter be greater than screw rod (3) through hole section and with screw rod (3) cooperation thread segment, the through hole section with
Circular cross-section shaft part is corresponding, and thread segment is corresponding with equilateral polygon section shaft part.
6. linear induction traction electric machine iron core according to claim 5, it is characterised in that: the through hole section and thread segment it
Between be equipped with chamfering.
7. linear induction traction electric machine iron core according to any one of claim 1 to 4, it is characterised in that: further include punching
Piece tooth support (5) is folded with the punching tooth support (5) between at least one side and side plate (21) of core stamping (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080469.9U CN209562368U (en) | 2019-01-16 | 2019-01-16 | A kind of linear induction traction electric machine iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080469.9U CN209562368U (en) | 2019-01-16 | 2019-01-16 | A kind of linear induction traction electric machine iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209562368U true CN209562368U (en) | 2019-10-29 |
Family
ID=68308108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920080469.9U Active CN209562368U (en) | 2019-01-16 | 2019-01-16 | A kind of linear induction traction electric machine iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209562368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472172A (en) * | 2021-06-09 | 2021-10-01 | 襄阳中车电机技术有限公司 | Primary and traction linear motor of linear motor |
-
2019
- 2019-01-16 CN CN201920080469.9U patent/CN209562368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472172A (en) * | 2021-06-09 | 2021-10-01 | 襄阳中车电机技术有限公司 | Primary and traction linear motor of linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209562368U (en) | A kind of linear induction traction electric machine iron core | |
| DE102006038576A1 (en) | High-pole, multiphase, permanent magnet-excited super synchronous motor e.g. stepper motor, for driving tension roller in conveyor belt, has housing receiving radial force and axial force from cover through grooves and safety ring or cover | |
| CN207947660U (en) | Permanent-magnet synchnorous gearless dragging machine | |
| CN106100173A (en) | A kind of wheel hub electric motor of electric vehicle | |
| CN109245457B (en) | A kind of motor manufacturing auxiliary machining device | |
| CN105515320B (en) | A kind of Small And Medium Capacity roller washing machine motor | |
| CN102606275B (en) | Electromagnetic fan clutch with opposite iron cores | |
| CN203368170U (en) | Split type rotor | |
| CN205544856U (en) | Be applied to seven cun annular saw DC Brushless motor | |
| WO2022142630A1 (en) | Method for adjusting motor coil end portion gap | |
| CN204652202U (en) | Permanent-magnetic energy-saving speed governing integrated electric motor | |
| CN204465162U (en) | Stator punching | |
| CN207319907U (en) | Coil winding machine fast pulley and coil winding machine | |
| CN102606644B (en) | Oppositely-arranged iron cores and manufacture method thereof | |
| CN204145100U (en) | Stator punching and the direct current variable frequency motor with it | |
| US2840789A (en) | Arc welding apparatus | |
| CN207603313U (en) | It has synchronized and has brushed hair motor quadrupole stator-rotor iron core punching | |
| CN207321074U (en) | More rotor multiple stators iron-core less motor stator structures | |
| US7242122B2 (en) | Low speed discoidal electric motor | |
| JP2022534904A (en) | Stator assemblies, motors, compressors and chillers | |
| CN107394980A (en) | More rotor multiple stators iron-core less motor stator structures | |
| CN220510945U (en) | Coil winding device | |
| CN203104137U (en) | Motor stator | |
| CN221227237U (en) | Rotor of traction machine, traction machine and elevator | |
| CN206774380U (en) | A kind of dry-type transformer easy to adjust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |