CN209329812U - A kind of high-power density permanent magnetic rotor - Google Patents

Abstract

The utility model discloses a kind of high-power density permanent magnetic rotors, including shaft, the outer wall of shaft connects radial magnetic field motor rotor core, radial magnetic field motor rotor core includes straight pan portion and ring disk part, the outer wall of ring disk part is circumferential uniformly to paste radial magnetic field motor magnet steel, the center of straight pan portion sets the symmetrical straight pan portion boss in front and back, disk type electric motor rotor is connected on straight pan portion boss, disk type electric motor rotor includes disk type electric motor rotor iron core, the center of disk type electric motor rotor iron core sets rotor core bulge loop, the circumferential uniformly rotor core raised line in periphery on disk type electric motor rotor iron core positioned at rotor core bulge loop, fitting sets disk type electric motor rotor magnet steel between two neighboring rotor core raised line, the partition for covering disk type electric motor rotor magnet steel is circumferentially set on disk type electric motor rotor iron core.The utility model small volume and power density is big, compact-sized, it is convenient to dismount.

Description

A kind of high-power density permanent magnetic rotor

Technical field

The utility model relates to rotor technical fields, more particularly, to a kind of high-power density permanent magnetic rotor.

Background technique

With the continuous improvement of permanent magnetic material performance and the development of motor technology, each neck of the magneto in national economy Domain has all obtained and its has been widely applied, and high power density permanent magnet motor is even more the outstanding person in magneto, and high power is close Motor is spent, i.e. motor can export bigger power under certain volume, since high power density motor has small in size, weight Gently, output power or many advantages, such as big torque, therefore be widely applied in Aeronautics and Astronautics, navigation and industrial circle.Gao Gong Rate density permanent magnet motor rotor is then the important component of high power density permanent magnet motor, and structure and reliability are to entire motor Influence is very big, and therefore, the reliable high power density permanent magnet motor rotor design of structure is significant.

Utility model content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of high-power density permanent magnetic turn Son, small volume and power density is big, compact-sized, it is convenient to dismount.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of high-power density permanent magnetic rotor, including shaft, the outer wall of the shaft have been connected by key radial magnetic field electricity Machine rotor iron core, the radial magnetic field motor rotor core include straight pan portion and the ring disk part positioned at straight pan portion outer rim, the ring The outer wall of pan portion is circumferentially uniformly pasted with radial magnetic field motor magnet steel, and the outer wall of ring disk part is circumferentially evenly distributed with ring disk part groove, described Fitting plugs the parting bead that front and back extends in ring disk part groove, and the two sidewalls of the parting bead are bonded two neighboring radial magnetic field electricity respectively The side wall of machine magnet steel, the front/rear end of the ring disk part are fitted with ring flat-plate, are circumferentially evenly distributed on the ring flat-plate and are bonded for parting bead The parting bead perforation passed through, the center of the straight pan portion are equipped with front and back symmetrically straight pan portion boss, connect on each straight pan portion boss There is disk type electric motor rotor, the disk type electric motor rotor includes the disk type electric motor rotor iron core being jointly mounted on straight pan portion boss, The center of the disk type electric motor rotor iron core is equipped with rotor core bulge loop, disk type electric motor rotor far from an end face of straight pan portion boss Periphery on iron core positioned at rotor core bulge loop is circumferentially evenly distributed with rotor core raised line, is bonded between two neighboring rotor core raised line Equipped with disk type electric motor rotor magnet steel, be circumferentially on the disk type electric motor rotor iron core cover disk type electric motor rotor magnet steel every Plate.

One end face of partition fitting disk type electric motor rotor magnet steel, the rotor core raised line be equipped with raised line screw hole and Pillar jack, the center of the partition are equipped with partition recessed portion, and the partition recessed portion is equipped with corresponding with raised line screw hole Recessed portion perforates and perforates across recessed portion by partition fixing screws and be screwed into raised line screw hole and is fixed, on partition recessed portion It is additionally provided with the recessed portion pillar of fitting insertion pillar jack.

The interior outer rim of the partition is equipped with protective edge, is bonded the outer of disk type electric motor rotor magnet steel positioned at the protective edge of partition outer rim Edge and the end face for resisting disk type electric motor rotor iron core, positioned at partition inner edge protective edge fitting disk type electric motor rotor magnet steel inner edge and Resist the end face of rotor core bulge loop, each disk type electric motor rotor magnet steel be located at corresponding two partitions partition recessed portion it Between.

The straight pan portion boss is equipped with straight pan portion boss screw hole and the first pinhole.

The rotor core bulge loop is equipped with bulge loop counterbore and the second pinhole, the bulge loop counterbore and straight pan portion boss spiral shell Hole corresponds and passes through bulge loop counterbore by rotor core bulge loop fixing screws and be screwed into straight pan portion boss screw hole and is fixed, Second pinhole and the first pinhole is corresponding and the first pinhole and the second pinhole in be fitted with pin.

The front/rear end of the radial magnetic field motor magnet steel is equipped with magnet steel location hole, circumferentially uniformly corresponds on the ring flat-plate The ring flat-plate pillar of fitting insertion magnet steel location hole.

Circumferentially uniformly distributed straight pan portion through-hole in the straight pan portion.

One end of the radial magnetic field motor rotor core resists the shaft shoulder of shaft, radial magnetic field motor rotor core it is another One end is abutted by axis with snap ring.

The beneficial effects of the utility model are:

1. structurally reasonable, compact reliable, assembly technology is simple, convenient for disassembly and assembly；

2. radial magnetic field motor rotor and two disk type electric motor rotors are integrated in compact space, substantially increase whole The power density of body；

3. being effectively improved made of the parting bead and ring flat-plate one on radial magnetic field motor rotor core " mouse cage type structure " The starting performance (being asynchronous starting when starting to start, then pull in revolving speed again) of motor, and if motor speed mutation When can also play damping action, maintain stabilization of speed, while parting bead and ring flat-plate can also play fixed radial magnetic field electric motor magnet steel Effect, guaranteeing that radial magnetic field motor magnet steel is firm will not fall off；

4. the stabilized structure of disk type electric motor rotor guarantees that disk type electric motor rotor magnet steel will not fall off, easy to assembly simple；

5. easy installation and reliable between radial magnetic field motor rotor core and disk type electric motor rotor, it is ensured that stable operation.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 be Fig. 2 in A-A to cross-sectional view；

Fig. 4 is the cross-sectional view of B-B direction in Fig. 2；

Fig. 5 is the perspective view of the radial magnetic field motor rotor of the utility model；

Fig. 6 is the explosive view of Fig. 5；

Fig. 7 is the perspective view of the disk type electric motor rotor of the utility model；

Fig. 8 is the explosive view at the first visual angle of Fig. 7；

Fig. 9 is the explosive view at the second visual angle of Fig. 7；

Figure 10 is the perspective view of the partition of the utility model；

Figure 11 is the top view of the disk type electric motor rotor of the utility model；

Figure 12 be Figure 11 in C-C to cross-sectional view；

Figure 13 is that the utility model is installed to the structural schematic diagram after motor；

Figure 14 is the enlarged drawing in Figure 13 at D.

In figure: drive end bearing bracket 1, rear end cap 2, shaft 3, radial magnetic field motor rotor core 31, straight pan portion 32, ring disk part 33, Ring disk part groove 34, straight pan portion boss 35, straight pan portion boss screw hole 36, straight pan portion through-hole 37, radial magnetic field motor magnet steel 38, magnetic Steel location hole 39, ring flat-plate 310, ring flat-plate pillar 311, parting bead perforation 312, axis snap ring 313, key 314, parting bead 315, the first pin Hole 316, pin 317, radial magnetic field motor stator 4, radial magnetic field motor stator core 41, radial magnetic field motor stator winding 42, disk type electric motor rotor 5, disk type electric motor rotor iron core 51, disk type electric motor rotor magnet steel 52, partition 53, rotor core bulge loop 54, Bulge loop counterbore 55, rotor core raised line 56, raised line screw hole 57, pillar jack 58, partition recessed portion 59, recessed portion perforation 510, shield Side 511, recessed portion pillar 512, partition fixing screws 513, the second pinhole 514, rotor core bulge loop fixing screws 515, disk It is formula motor stator 6, disk type motor stator core 61, disk type electric machine stator winding 62, casing 7, pressing plate 8, lip-shaped sealed ring 81, close Seal lip 82, pressing plate axis hole 83, bearing 84, waveform spring washer 85, plain washer 86, back cover 9.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and detailed description:

As shown in Fig. 1~Figure 14, a kind of high-power density permanent magnetic rotor, including shaft 3, the outer wall of the shaft 3 pass through Key 314 is connected with radial magnetic field motor rotor core 31, and one end of the radial magnetic field motor rotor core 31 resists shaft 3 The other end of the shaft shoulder, radial magnetic field motor rotor core 31 is abutted by axis snap ring 313, and specially one of them straight pan portion is convex The end of platform 35 resists the shaft shoulder of shaft 3, and the end of another straight pan portion boss 35 is abutted by axis snap ring 313.

The radial magnetic field motor rotor core 31 includes straight pan portion 32 and the ring disk part 33 positioned at straight 32 outer rim of pan portion, directly Pan portion 32 is located at the inner wall middle of ring disk part 33.Circumferentially uniformly distributed straight pan portion through-hole 37, straight pan portion through-hole in the straight pan portion 32 37 setting can mitigate weight, but also with the effect of good heat dissipation.

The outer wall of the ring disk part 33 is circumferentially uniformly pasted with radial magnetic field motor magnet steel 38, and the outer wall of ring disk part 33 is circumferential It is evenly distributed with ring disk part groove 34, is fitted with a radial magnetic field motor magnet steel 38 between two ring disk part grooves 34 of arbitrary neighborhood.

Fitting plugs the parting bead 315 that front and back extends in the ring disk part groove 34, and the material of parting bead 315 is copper, parting bead 315 After being inserted into ring disk part groove 34, the rear and front end of parting bead 315 also exceeds the ring disk beyond the outer rim of ring disk part groove 34 and parting bead 315 Portion's groove 34.

The two sidewalls of the parting bead 315 are bonded the side wall of two neighboring radial magnetic field motor magnet steel 38 respectively, radial in this way Magnetic field electric motor magnet steel 38 can not be circumferentially displaced.

The front/rear end of the ring disk part 33 is fitted with ring flat-plate 310, and the material of ring flat-plate 310 is copper, the ring flat-plate 310 Upper circumferential direction it is uniformly distributed for the fitting of parting bead 315 across parting bead perforation 312, the rear and front end of parting bead 315 exceeds two ring flat-plates 310 respectively And parting bead 315 and ring flat-plate 310 are welded and fixed, the parting bead 315 of such circumference uniform distribution and its ring flat-plate 310 of two sides constitute " mouse Cage construction " effectively improves the starting performance of motor.

The center of the straight pan portion 32 is equipped with front and back symmetrically straight pan portion boss 35, and straight pan portion boss 35 is i.e. along straight pan portion 32 center forward, extend back and protrude, be connected with disk type electric motor rotor 5, disc type electric machine on each straight pan portion boss 35 The outer rim of rotor 5 is located in the inner space that ring disk part 33 surrounds without departing from ring disk part 33, i.e. disk type electric motor rotor 5, thus Substantially reduce the volume of motor, compact overall structure.

The disk type electric motor rotor 5 includes the disk type electric motor rotor iron core 51 being jointly mounted on straight pan portion boss 35, institute The center for stating disk type electric motor rotor iron core 51 is equipped with rotor core bulge loop 54, the straight disk far from an end face of straight pan portion boss 35 Portion's boss 35 is equipped with straight pan portion boss screw hole 36 and the first pinhole 316.The rotor core bulge loop 54 is heavy equipped with bulge loop Hole 55 and the second pinhole 514, the bulge loop counterbore 55 and straight pan portion boss screw hole 36 correspond and convex by rotor core Ring fixing screws 515 pass through bulge loop counterbore 55 and are screwed into straight pan portion boss screw hole 36 and are fixed, 514 He of the second pinhole First pinhole 316 is corresponding and the first pinhole 316 and the second pinhole 514 in be fitted with pin 317.First in the first pin The both ends of fitting insertion pin 317 and pin 317 exceed the first pinhole 316 in sub-aperture 316, in installation disk type electric motor rotor 5 The second pinhole of Shi Keyong 514 is directed at the insertion of pin 317 just, easy for installation, accurate positioning.

The circumferential uniformly rotor core raised line 56 in periphery on disk type electric motor rotor iron core 51 positioned at rotor core bulge loop 54, phase Disk type electric motor rotor magnet steel 52,51 last week of disk type electric motor rotor iron core are fitted between adjacent two rotor core raised lines 56 To the partition 53 for being equipped with covering disk type electric motor rotor magnet steel 52.

The partition 53 is bonded an end face of disk type electric motor rotor magnet steel 52, and the rotor core raised line 56 is equipped with raised line Screw hole 57 and pillar jack 58, the center of the partition 53 are equipped with partition recessed portion 59, the partition recessed portion 59 be equipped with The corresponding recessed portion of raised line screw hole 57 perforation 510 and recessed portion perforation is passed through by partition fixing screws 513 510 and be screwed into convex Screw hole 57 is fixed, and the recessed portion pillar 512 of fitting insertion pillar jack 58 is additionally provided on partition recessed portion 59.By recessed Concave portion pillar 512 and pillar jack 58 cooperate positioning when being installed, and it is more convenient to install.

The interior outer rim of the partition 53 is equipped with protective edge 511, is bonded disc type electric machine positioned at the protective edge 511 of 53 outer rim of partition and turns The outer rim of sub- magnet steel 52 and the end face for resisting disk type electric motor rotor iron core 51, the protective edge 511 positioned at 53 inner edge of partition are bonded disc type The inner edge of motor rotor magnetic steel 52 and the end face for resisting rotor core bulge loop 54, each disk type electric motor rotor magnet steel 52, which is located at, to be corresponded to Two partitions 53 partition recessed portion 59 between.

The front/rear end of the radial magnetic field motor magnet steel 38 is equipped with magnet steel location hole 39, circumferential direction on the ring flat-plate 310 The ring flat-plate pillar 311 of uniformly distributed corresponding fitting insertion magnet steel location hole 39.This arrangement ensures the accurate installation of ring flat-plate 310 positioning, The fixation of radial magnetic field motor magnet steel 38 is relatively reliable simultaneously.

The motor of the utility model further includes the drive end bearing bracket 1 and rear end cap 2 of casing 7, time interval distribution, and shaft 3 passes through Former and later two bearings 84 are connected on drive end bearing bracket 1 and rear end cap 2, and the both ends of casing 7 pass through drive end bearing bracket 1 and rear end cap respectively 2 connections.

The inner wall interference fit of the casing 7 is equipped with radial magnetic field motor stator 4, the radial magnetic field motor stator 4 Including radial magnetic field motor stator core 41 and the circumferential radial magnetic field motor being evenly arranged on radial magnetic field motor stator core 41 Stator winding 42, the outer wall of the radial magnetic field motor stator core 41 and the inner wall of casing 7 are interference fitted.Radial magnetic field motor The structure of stator 4 is existing conventional techniques, is not described herein.The inner edge of the radial magnetic field motor stator 4 and radial magnetic field Radial magnetic field motor air gap is formed between the outer rim of magnetic steel of motor 38, air gap is also motor field major terms, about air gap The relevant technologies do not describe in detail herein.Radial magnetic field motor stator 4 and radial magnetic field motor rotor (including shaft 3, radial magnetic The components such as field motor rotor core 31, radial magnetic field motor magnet steel 38) and radial magnetic field motor air gap composition radial magnetic field electricity Machine.

The rear end of the drive end bearing bracket 1 and the front end of rear end cap 2 are equipped with disk type electric machine stator 6, the disk type electric machine stator 6 Including disk type motor stator core 61 and the circumferential disk type electric machine stator winding 62 being evenly arranged on disk type motor stator core 61.Disk The outer rim of formula motor stator 6 can also reduce motor volume also without departing from the inner edge of ring disk part 33, so that compact overall structure.Phase Disc type electric machine air gap is formed between corresponding disk type electric machine stator 6 and disk type electric motor rotor 5.

Disk type electric machine stator 6, disk type electric motor rotor 5 (including shaft 3, disk type electric motor rotor iron core 51, disk type electric motor rotor The components such as magnet steel 52) and disc type electric machine air gap composition disc type electric machine.The disc type electric machine three of radial magnetic field motor and its two sides Revolving speed it is identical, and stretch and eye left from right end axis, the rotor direction of rotation of three's motor is also identical (i.e. power output direction is consistent), The torque of integrated motor in this way is exactly three's superposition.

The front end center of the drive end bearing bracket 1 is connected with pressing plate 8, and the center of the pressing plate 8 is equipped with the pressing plate passed through for shaft 3 Axis hole 83, the front end center of pressing plate 8 are equipped with lip-shaped sealed ring 81, and the inner edge of the lip-shaped sealed ring 81 is equipped with outer with shaft 3 The sealing lip 82 of wall interference fit.

Waveform spring washer 85 and plain cushion are fitted between the rear end of the pressing plate 8 and a bearing 84 corresponding thereto Circle 86.

The back-end central of the rear end cap 2 connects back cover 9.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (8)

1. a kind of high-power density permanent magnetic rotor, it is characterised in that: including shaft (3), the outer wall of the shaft (3) passes through key (314) it is connected with radial magnetic field motor rotor core (31), the radial magnetic field motor rotor core (31) includes straight pan portion (32) and it is located at the ring disk part (33) of straight pan portion (32) outer rim, the outer wall of the ring disk part (33) is circumferentially uniformly pasted with radial magnetic The outer wall of field motor magnet steel (38), ring disk part (33) is circumferentially evenly distributed with ring disk part groove (34), patch in the ring disk part groove (34) It closes and plugs the parting bead (315) that front and back extends, the two sidewalls of the parting bead (315) are bonded two neighboring radial magnetic field motor magnetic respectively The front/rear end of the side wall of steel (38), the ring disk part (33) is fitted with ring flat-plate (310), circumferential on the ring flat-plate (310) It is uniformly distributed for parting bead (315) fitting across parting bead perforate (312), the center of the straight pan portion (32) is equipped with front and back symmetrically straight disk Portion's boss (35) is each connected with disk type electric motor rotor (5) on straight pan portion boss (35), and the disk type electric motor rotor (5) includes The disk type electric motor rotor iron core (51) being jointly mounted on straight pan portion boss (35), in the disk type electric motor rotor iron core (51) The heart is equipped with rotor core bulge loop (54) far from an end face of straight pan portion boss (35), is located on disk type electric motor rotor iron core (51) and turns The periphery of sub- iron core bulge loop (54) is circumferential to be evenly distributed with rotor core raised line (56), is bonded between two neighboring rotor core raised line (56) Equipped with disk type electric motor rotor magnet steel (52), it is circumferentially on the disk type electric motor rotor iron core (51) and covers disk type electric motor rotor magnetic The partition (53) of steel (52).

2. a kind of high-power density permanent magnetic rotor as described in claim 1, it is characterised in that: partition (53) the fitting disc type electricity One end face of machine rotor magnet steel (52), the rotor core raised line (56) are equipped with raised line screw hole (57) and pillar jack (58), The center of the partition (53) is equipped with partition recessed portion (59), and the partition recessed portion (59) is equipped with and raised line screw hole (57) phase Corresponding recessed portion perforates (510) and passes through recessed portion perforation (510) by partition fixing screws (513) and be screwed into raised line screw hole (57) it is fixed, the recessed portion pillar (512) of fitting insertion pillar jack (58) is additionally provided on partition recessed portion (59).

3. a kind of high-power density permanent magnetic rotor as claimed in claim 2, it is characterised in that: the interior outer rim of the partition (53) is equal Equipped with protective edge (511), it is located at the outer rim of protective edge (511) fitting disk type electric motor rotor magnet steel (52) of partition (53) outer rim and resists The end face of disk type electric motor rotor iron core (51), the protective edge (511) for being located at partition (53) inner edge are bonded disk type electric motor rotor magnet steel (52) inner edge and the end face for resisting rotor core bulge loop (54), each disk type electric motor rotor magnet steel (52) are located at corresponding two Between the partition recessed portion (59) of partition (53).

4. a kind of high-power density permanent magnetic rotor as described in claim 1, it is characterised in that: set on the straight pan portion boss (35) There are straight pan portion boss screw hole (36) and the first pinhole (316).

5. a kind of high-power density permanent magnetic rotor as claimed in claim 4, it is characterised in that: on the rotor core bulge loop (54) Equipped with bulge loop counterbore (55) and the second pinhole (514), the bulge loop counterbore (55) and straight pan portion boss screw hole (36) one are a pair of It answers and passes through bulge loop counterbore (55) by rotor core bulge loop fixing screws (515) and be screwed into straight pan portion boss screw hole (36) and carry out It is fixed, second pinhole (514) and the first pinhole (316) is corresponding and the first pinhole (316) and the second pinhole (514) pin (317) are fitted in.

6. a kind of high-power density permanent magnetic rotor as described in claim 1, it is characterised in that: the radial magnetic field motor magnet steel (38) front/rear end is equipped with magnet steel location hole (39), and circumferentially uniformly distributed corresponding fitting insertion magnet steel is fixed on the ring flat-plate (310) The ring flat-plate pillar (311) in position hole (39).

7. a kind of high-power density permanent magnetic rotor as described in claim 1, it is characterised in that: circumferential equal on the straight pan portion (32) The straight pan portion through-hole (37) of cloth.

8. a kind of high-power density permanent magnetic rotor as described in claim 1, it is characterised in that: the radial magnetic field motor rotor iron One end of core (31) resists the shaft shoulder of shaft (3), and the other end of radial magnetic field motor rotor core (31) passes through axis snap ring (313) it abuts.