CN207559709U - A kind of permanent-magnetic synchronous motor rotor field structure and motor - Google Patents
A kind of permanent-magnetic synchronous motor rotor field structure and motor Download PDFInfo
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- CN207559709U CN207559709U CN201721768233.1U CN201721768233U CN207559709U CN 207559709 U CN207559709 U CN 207559709U CN 201721768233 U CN201721768233 U CN 201721768233U CN 207559709 U CN207559709 U CN 207559709U
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- magnetic pole
- magnetic
- pole
- mounting hole
- stretching screw
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Abstract
The utility model relates to a kind of permanent-magnetic synchronous motor rotor field structure, it includes magnetic pole box, pole end-plate, stretching screw, adjust pad, adjust pad is equipped between adjacent magnetic pole box, the thickness of the adjust pad is less than the thickness of pole lamination, the section of the adjust pad is identical with the section of pole lamination, stretching screw passes through the stretching screw mounting hole of pole end-plate at magnetic pole both ends and magnetic pole box stretching screw mounting hole, and the nut for tightening stretching screw both ends forms a magnetic pole.The utility model is by the adjust pad that sets thickness ratio pole lamination small, so as to can preferably control the precision of the axial length of magnetic pole when assembling magnetic pole.The utility model further relates to include the motor of this rotor magnetic pole.
Description
Technical field
The utility model is related to motor fields, and in particular to a kind of permanent-magnetic synchronous motor rotor field structure and motor.
Background technology
Rotor magnetic pole is the critical component on magneto, and application No. is CN201210452860.X's《With convex
The magnetic pole box of platform》It discloses and the magnetic pole box formed is bonded by the pole lamination of two kinds of different structures, there is permanent magnet peace in magnetic pole box
Hole, fixed link mounting hole and bolt hole are filled, but the magnetic pole box structure leakage field is big, be not suitable for the large-scale Permanent Magnet and Electric of high speed operation
Machine, while two kinds of pole laminations need the mold production of two sets of different structures, can cause to manufacture cost increase；Application No. is
CN201720207001.2's《A kind of magnetic pole box on permanent-magnetic wind driven generator》Disclose a kind of punching with button point
The magnetic pole box being overrided to form, the structure fabrication process is simple, at low cost, but since mechanical strength is low, needs in magnetic pole box both sides
Punching is welded together, increases the eddy-current loss of magnetic holder, is not suitable for the large-scale permanent magnet machine rotor of high speed operation.
With above-mentioned magnetic pole box when rotor over-assemble is into rotor magnetic pole, since tolerance adds up to be easy to cause with the deviation of shape
Rotor magnetic pole axial length deviation is larger, causes the difficulty of assembling, while influences beauty.
Utility model content
The purpose of this utility model overcome more than it is insufficient, provide a kind of manufacture at low cost, high mechanical strength, it is rational in infrastructure,
The simple large-scale permanent magnet machine rotor field structure of assembling.
The technical solution of the utility model is：A kind of permanent-magnetic synchronous motor rotor field structure, including magnetic pole box, magnetic pole
Pressing plate, stretching screw, magnetic pole box include the magnetic pole box with mounting hole and the magnetic pole box without mounting hole, and permanent magnet is arranged on magnetic pole
In box permanent magnet mounting groove, the magnetic pole box bottom with mounting hole is equipped with magnetic pole installing hole, the magnetic pole box with mounting hole and without peace
The magnetic pole box in dress hole is staggered to form magnetic pole, further includes adjust pad, and adjust pad, institute are equipped between adjacent magnetic pole box
The thickness for stating adjust pad is less than the thickness of pole lamination, and the section of the adjust pad is identical with the section of pole lamination, draws
Tight screw rod passes through the stretching screw mounting hole of pole end-plate at magnetic pole both ends and magnetic pole box stretching screw mounting hole, tightens tension spiral shell
The nut at bar both ends forms a magnetic pole.
Preferably, the nut unbalance stress at stretching screw both ends in order to prevent, on the stretching screw head and pole end-plate
Stretching screw mounting hole section for circle.
Preferably, for ease of the installation of stretching screw, and increase the forced area of stretching screw, the magnetic pole box tenses spiral shell
Bar mounting hole is rectangle, and the magnetic pole stretching screw and magnetic pole box stretching screw mounting hole contact site are the rectangle to match.
Preferably, it is drilled through for ease of magnetic pole installation and magnetic pole installing hole, the magnetic pole of the magnetic pole box bottom with mounting hole
The section of mounting hole is circle.
Preferably, for ease of fine-tuning magnetic pole overall length, the thickness of the adjust pad for pole lamination thickness 0.4~
0.6 times.
Preferably, increase eddy-current loss for short circuit between avoiding magnetic pole box, the material of the adjust pad is non-magnetic
Insulating materials.
When preferably, to avoid magnetic pole box general assembly, magnet steel is squeezed broken, and the magnetic pole box is provided at both ends with 1~2
Pole lamination is adjusted, the thickness of the adjustment pole lamination is less than the thickness of pole lamination, it is ensured that the length of magnetic pole box begins
It is more than magnet steel length eventually.
Preferably, to reduce leakage field and increasing mechanical strength, the both ends of the permanent magnet mounting groove are equipped with every magnetic cavity, are
Mechanical strength is improved, reinforcing rib is provided among permanent magnet mounting groove.
The utility model further relates to a kind of motor, and including rotor magnetic pole, the rotor magnetic pole is rotor described above
Field structure.
The advantageous effects of the utility model are, by the adjust pad for setting thickness ratio pole lamination small, thus
The precision of the axial length of magnetic pole can be preferably controlled when assembling magnetic pole；The mounting hole of magnetic pole box bottom can be laminated in magnetic pole box
It directly drills through after the completion, mold can be saved, reduce production cost；It will be without paint film by using high temperature resistant strength insulation bonded adhesives
The magnetic pole box of pole lamination bonding has very high mechanical strength, and magnetic pole box both sides avoid magnetic pole box vortex without welding
The increase of loss.
Description of the drawings
Fig. 1 is the utility model embodiment field structure schematic diagram；
Fig. 2 is magnetic pole box structure diagram of the utility model embodiment with mounting hole；
Fig. 3 is magnetic pole box structure diagram of the utility model embodiment without mounting hole；
Fig. 4 is the utility model embodiment magnetic pole stretching screw structure diagram；
Fig. 5 is the utility model embodiment pole lamination structure diagram；
Fig. 6 is the utility model embodiment adjust pad structure diagram.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
With reference to attached drawing, a kind of permanent-magnetic synchronous motor rotor field structure, including magnetic pole box, pole end-plate 2, stretching screw
4, magnetic pole box includes the magnetic pole box 2 with mounting hole and the magnetic pole box 1 without mounting hole, and permanent magnet is arranged on magnetic pole box permanent magnet peace
In tankage, the magnetic pole box bottom with mounting hole is equipped with magnetic pole installing hole, the magnetic pole box with mounting hole and the magnetic pole without mounting hole
Box is staggered to form magnetic pole 6, further includes adjust pad 5, and adjust pad 5, the adjustment are equipped between adjacent magnetic pole box
The thickness of gasket 5 is less than the thickness of pole lamination 7, and the section of the adjust pad 5 is identical with the section of pole lamination 7, tenses
Screw rod passes through the stretching screw mounting hole 9 of pole end-plate 2 at magnetic pole both ends and magnetic pole box stretching screw mounting hole 10, tightens tension
The nut at screw rod both ends forms a magnetic pole 6.The nut unbalance stress at stretching screw both ends in order to prevent, the stretching screw head
Section with the stretching screw mounting hole 9 on pole end-plate 2 is circle.For ease of the installation of stretching screw, and increase tension spiral shell
The forced area of bar, the magnetic pole box stretching screw mounting hole 10 are rectangle, and the magnetic pole stretching screw 1 tenses spiral shell with magnetic pole box
10 contact site of bar mounting hole is the rectangle to match, is drilled through for ease of magnetic pole installation and magnetic pole installing hole, the band mounting hole
Magnetic pole box bottom magnetic pole installing hole section for circle, for ease of fine-tuning magnetic pole overall length, the thickness of the adjust pad 5
0.4 times for 7 thickness of pole lamination is spent, increases eddy-current loss for short circuit between avoiding magnetic pole box, the material of the adjust pad 5
Matter is non-magnetic insulating materials.
During to avoid magnetic pole box general assembly, magnet steel 3 be squeezed it is broken, the magnetic pole box be provided at both ends with 1 adjustment magnetic pole
Punching 7, the thickness of the adjustment pole lamination 7 are less than the thickness of pole lamination 7, it is ensured that the length of magnetic pole box is consistently greater than
3 length of magnet steel, to reduce leakage field and increasing mechanical strength, the both ends of the permanent magnet mounting groove are equipped with every magnetic cavity 15, to carry
High mechanical properties are provided with reinforcing rib 14 among permanent magnet mounting groove.
Magnetic pole box described in the utility model is overrided to form by 7 gluing of pole lamination, is divided into no 6 He of mounting hole magnetic pole box
There is 4 two kinds of mounting hole magnetic pole box, with magnet steel mounting groove 8, stretching screw mounting hole 9, there is the processing of 4 bottom of mounting hole magnetic pole box
There is pole bolt installation through-hole 10, be directly process by no mounting hole magnetic pole box 6.Each magnetic pole box is by several pole laminations
7 using 180 DEG C of high temperature resistants strength insulation bonding glue sticking forms, hot setting forming after select 1/3 without mounting hole magnetic pole
Box 6 drills through pole bolt installation through-hole 10 in its bottom, and the sequence alternate of two kinds of magnetic pole boxes as shown in Figure 1 is arranged in one group,
The adjust pad 5 of 0.2mm is lined between magnetic pole box, then the stretching screw mounting hole 9 by magnetic pole stretching screw 1 from magnetic pole box
It passes through, each magnetic pole box is connected into an entirety；Pole bolt installation threaded hole 11 is drilled among magnetic pole stretching screw 1, hole
Spacing and quantity are determined that when magnetic pole assembles, paying attention to will be on magnetic pole stretching screw 1 by the quantity for having the spacing of mounting hole magnetic pole box 4
Pole bolt installation threaded hole 11 be aligned with the pole bolt installation through-hole 10 of magnetic pole box bottom, then pole end-plate 2 is pacified
Mounted in magnetic pole both ends, and with nut check, to prevent nut loosening, it is necessary to which the check washer using profession is locking；When magnetic pole is total
When length variation is larger, adjust pad 5 can be increased between pole end-plate 2 and magnetic pole box and adjust magnetic pole length.To improve magnetic pole
The intensity of box is provided with reinforcing rib 14 among permanent magnet mounting groove 8；To reduce leakage field, set at 8 both ends of permanent magnet mounting groove
It is longer every magnetic cavity 15；Magnet steel 3 shakes in permanent magnet mounting groove 8 during to prevent rotor operation, 8 liang of permanent magnet mounting groove
End is provided with the displacement that step 16 limits magnet steel 3；When magnet steel 3 is installed simultaneously, each face for being contacted with magnetic holder is coated with magnet steel 3 and is bonded
Glue.
The utility model further relates to a kind of motor, and including rotor magnetic pole, the rotor magnetic pole is rotor described above
Field structure.
Claims (11)
1. a kind of permanent-magnetic synchronous motor rotor field structure, including magnetic pole box, pole end-plate, stretching screw, magnetic pole box includes
Magnetic pole box with mounting hole and the magnetic pole box without mounting hole, permanent magnet are arranged in magnetic pole box permanent magnet mounting groove, band installation
The magnetic pole box bottom in hole is equipped with magnetic pole installing hole, and the magnetic pole box with mounting hole and the magnetic pole box without mounting hole are staggered and to be formed
Magnetic pole, which is characterized in that adjust pad is further included, adjust pad is equipped between adjacent magnetic pole box, the adjust pad
Thickness is less than the thickness of pole lamination, and the section of the adjust pad is identical with the section of pole lamination, and stretching screw passes through magnetic
The stretching screw mounting hole of the pole end-plate at pole both ends and magnetic pole box stretching screw mounting hole tighten the nut at stretching screw both ends
Form a magnetic pole.
A kind of 2. permanent-magnetic synchronous motor rotor field structure according to claim 1, which is characterized in that the adjust pad
Thickness be 0.4~0.6 times of pole lamination thickness.
3. a kind of permanent-magnetic synchronous motor rotor field structure according to claim 1 or claim 2, which is characterized in that
The material of the adjust pad is non-magnetic insulating materials.
A kind of 4. permanent-magnetic synchronous motor rotor field structure according to claim 3, which is characterized in that the magnetic pole box two
End is provided with 1~2 adjustment pole lamination, and the thickness of the adjustment pole lamination is less than the thickness of pole lamination.
5. a kind of permanent-magnetic synchronous motor rotor field structure according to claim 1 or claim 2, which is characterized in that
The both ends of the permanent magnet mounting groove are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 6. permanent-magnetic synchronous motor rotor field structure according to claim 3, which is characterized in that the permanent magnet peace
The both ends of tankage are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 7. permanent-magnetic synchronous motor rotor field structure according to claim 4, which is characterized in that the permanent magnet peace
The both ends of tankage are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 8. permanent-magnetic synchronous motor rotor field structure according to claim 5, which is characterized in that the stretching screw
Head and pole end-plate on stretching screw mounting hole section for circle, the magnetic pole box stretching screw mounting hole be rectangle, institute
It is the rectangle to match that magnetic pole stretching screw, which is stated, with magnetic pole box stretching screw mounting hole contact site, the magnetic pole with mounting hole
The section of the magnetic pole installing hole in cassette bottom portion is circle.
A kind of 9. permanent-magnetic synchronous motor rotor field structure according to claim 6, which is characterized in that the stretching screw
Head and pole end-plate on stretching screw mounting hole section for circle, the magnetic pole box stretching screw mounting hole be rectangle, institute
It is the rectangle to match that magnetic pole stretching screw, which is stated, with magnetic pole box stretching screw mounting hole contact site, the magnetic pole with mounting hole
The section of the magnetic pole installing hole in cassette bottom portion is circle.
A kind of 10. permanent-magnetic synchronous motor rotor field structure according to claim 7, which is characterized in that the tension spiral shell
The section of stretching screw mounting hole in head and pole end-plate is circle, and the magnetic pole box stretching screw mounting hole is rectangle,
The magnetic pole stretching screw and magnetic pole box stretching screw mounting hole contact site are the rectangle to match, the magnetic with mounting hole
The section of the magnetic pole installing hole in pole cassette bottom portion is circle.
11. a kind of motor, including rotor magnetic pole, which is characterized in that the rotor magnetic pole will for the claims 1 to right
Seek the rotor magnetic pole structure described in 10 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768233.1U CN207559709U (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768233.1U CN207559709U (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559709U true CN207559709U (en) | 2018-06-29 |
Family
ID=62663618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721768233.1U Active CN207559709U (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207559709U (en) |
-
2017
- 2017-12-18 CN CN201721768233.1U patent/CN207559709U/en active Active
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