CN205864143U

CN205864143U - A kind of super high speed motor

Info

Publication number: CN205864143U
Application number: CN201620452845.9U
Authority: CN
Inventors: 罗立峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-19
Filing date: 2016-05-18
Publication date: 2017-01-04
Anticipated expiration: 2026-05-18
Also published as: CN106026517B; CN106026517A; WO2016184408A1; WO2016184410A1; CN105889313B; CN105889314A; WO2016184406A1; WO2016184414A1; CN105889313A; TWI704751B; CN106014641A; TWI694210B; WO2016184404A1; CN105888818A; CN205864174U; WO2016184416A1; CN105889314B; CN205858479U; TW201706511A; CN205858730U

Abstract

The utility model discloses a kind of super high speed motor, it includes electric machine casing, rotor, stator, 2 journal bearings, 1 thrust bearing and interior axle and outer shaft, described journal bearing is slot type kinetic pressure gas journal bearing, described thrust bearing is hybrid kinetic pressure gas thrust bearing, described rotor is set in the middle part of interior axle, 2 journal bearings are respectively sleeved on the outer shaft being positioned at the left and right end of rotor, and described thrust bearing is set on the outer shaft of right-hand member and is positioned at the outer side of right-hand member journal bearing.This utility model may be implemented in the ultrahigh speed steady running under air supporting state, for equal-wattage requirement, the volume of motor can be made to be substantially reduced realization miniaturization.

Description

A kind of super high speed motor

Technical field

This utility model relates to a kind of super high speed motor, belongs to high-accuracy field of mechanical technique.

Background technology

High-speed electric expreess locomotive typically refers to the rotating speed motor more than 10000r/min, and they have the advantage that one is owing to turning Speed is high, so power of motor density is high, and the motor that volume is common much smaller than power, can effectively save material；Two is can Being connected with prime mover, eliminate traditional reducing gear, transmission efficiency is high, and noise is little；Three is due to high-speed electric expreess locomotive rotary inertia It is little, so dynamic response is fast.But along with high-speed electric expreess locomotive power grade and rotation speed requirements are improved constantly, common mechanical ball axle Hold the use requirement that can not meet Large-power High-Speed motor.And air-bearing is little with its frictional dissipation, high-temperature stability good, Reliability is high, it is little to vibrate, need not lubricating oil, not by series of advantages such as rotating shaft size limitation, be increasingly becoming industrial quarters The focus paid close attention to academia, has been applied to Aeronautics and Astronautics field.

Air-bearing used by current existing high-speed electric expreess locomotive mainly has: tilting bush formula, slot type and paillon foil formula three kinds, although can Tile style of inclining air-bearing has self-regulation performance, can in less air film interstice coverage trouble free service, to thermal deformation, elastic deformation Etc. insensitive, and machining accuracy such as is easily guaranteed at the advantage, but its bearing bush structure is more complicated, and mounting process is complicated, from discomfort Close industrial applications；Although paillon foil formula kinetic pressure gas journal bearing has elastic bearing, can bearing is made to obtain certain holding accordingly Loading capability and the ability of mitigation impact shock, but owing to foil bearing is generally adopted by tinsel, not only material manufactures skill There is also some difficult problems in art and technology, and the damping value of bearing can not large increase, cause the rigidity of bearing Not, the critical speed of bearing is relatively low, and when running up, easy unstability is the most stuck；Although slot type kinetic pressure gas journal bearing Having preferable stability, at high speeds, its static bearing capacity is big compared with the bearing of other form, but current slot type action pneumatic Body journal bearing has high rigidity, and impact resistance is the best and load-carrying ability is the biggest, it is impossible to realize the height under bigger load Speed operating.Because current air-bearing technology there is also above-mentioned variety of problems, so that existing high-speed electric expreess locomotive there is also and asks as follows Topic: 1, rotating speed is the most limited, can only realize the rotating speed of the highest 50,000 turns at present；2, can not longtime running: produce because running up Heat can not effectively be derived, so that stream time can not be the longest；3, the stability run up is the best, so that actual motion Efficiency does not reaches ideal goal；4, structure is the most complicated, and volume is bigger, it is impossible to meet current miniaturization requirement.

Utility model content

The problems referred to above existed for prior art, the purpose of this utility model be to provide a kind of can the superelevation of stable operation Speed motor.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of super high speed motor, including electric machine casing, rotor, stator, 2 journal bearings, 1 thrust bearing and interior axle and Outer shaft；It is characterized in that: described journal bearing is slot type kinetic pressure gas journal bearing, including bearing outside and bearing inner sleeve；Institute Stating thrust bearing is hybrid kinetic pressure gas thrust bearing, including two side panels and be folded in the mid-game between two side panels, Foil-type elastic component it is equipped with between each side panel and mid-game；Described rotor is set in the middle part of interior axle, and 2 journal bearings are respectively Being set on the outer shaft being positioned at the left and right end of rotor, described thrust bearing is set on the outer shaft of right-hand member and is positioned at right-hand member radial axle The outer side held.

As a kind of embodiment, described super high speed motor also includes left radial axle bearing sleeve and left bearing room end cap, institute Stating left bearing room end cap to be connected with left radial axle bearing sleeve, described left radial axle bearing sleeve is connected with electric machine casing.

As a kind of embodiment, described super high speed motor also includes right radial axle bearing sleeve, right bearing room end cap, heat radiation Fan and blower-casting, described blower-casting is connected with right bearing room end cap, described right bearing room end cap and right journal bearing Set is connected, and described right radial axle bearing sleeve is connected with electric machine casing, and described radiator fan is set in and is positioned at right bearing room end cap And on the interior axle between blower-casting.

Preferably, offering some open slots in the inwall week side of electric machine casing, the end face at electric machine casing is opened Being provided with some passages, described open slot is connected with passage, is beneficial to importing and the derivation of gas, on the one hand realizes quickly Heat radiation aerofluxus, another side realizes bearing indoor are carried out air supply.

Preferably, some steam vents are offered in all sides of left bearing room end cap, in the outer face of blower-casting On offer some air inlets.

Preferably, the outer circumference surface of described bearing inner sleeve and both ends of the surface are respectively provided with the slot type decorative pattern of regular shape.

As further preferred scheme, the slot type decorative pattern of the end face of described bearing inner sleeve and the slot type decorative pattern of other end Form specular, and the radial profile of the slot type decorative pattern of the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface It is respectively formed one_to_one corresponding and mutually joins.

As further preferred scheme, the axial high bit line and two in the slot type decorative pattern of the outer circumference surface of described bearing inner sleeve The high bit line of radial direction in the slot type decorative pattern of end face is homogeneously corresponding and mutually joins before end face peripheral chamfer；The groove of outer circumference surface Axial neutrality line in formula decorative pattern is the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and in end face peripheral chamfer Front mutually handing-over；Axial low-bit line in the slot type decorative pattern of outer circumference surface is equal with the radial direction low-bit line in the slot type decorative pattern of both ends of the surface Corresponding and mutually join before end face peripheral chamfer.

Preferably, the fit clearance between described bearing inner sleeve and bearing outside is 0.003～0.008mm.

Preferably, the two ends at described bearing outside are provided with stop ring.

Preferably, the both ends of the surface of described mid-game are equipped with the slot type decorative pattern of regular shape, and the slot type of end face Decorative pattern forms specular with the slot type decorative pattern of other end.

Preferably, the outer circumference surface in described mid-game also is provided with slot type decorative pattern, and the slot type decorative pattern of outer circumference surface Shape identical with the shape of the slot type decorative pattern of both ends of the surface, and the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface The radial profile of slot type decorative pattern be respectively formed one_to_one corresponding and mutually join.

Groove as further preferred scheme, the axial high bit line in the slot type decorative pattern of the outer circumference surface of mid-game and both ends of the surface The high bit line of radial direction in formula decorative pattern is homogeneously corresponding and mutually joins before end face peripheral chamfer；In the slot type decorative pattern of outer circumference surface Axial neutrality line the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and mutually hand over before end face peripheral chamfer Connect；Axial low-bit line in the slot type decorative pattern of outer circumference surface is the most corresponding with the radial direction low-bit line in the slot type decorative pattern of both ends of the surface, And mutually join before end face peripheral chamfer.

As further preferred scheme, the cooperation face of the foil-type elastic component matched with mid-game is provided with wear-resistant coating.

As further preferred scheme, described foil-type elastic component is 0.003～0.008mm with the fit clearance of mid-game.

As further preferred scheme, at least one end of described foil-type elastic component is fixed on the inner face of corresponding side panel.

As further preferred scheme, the foil-type elastic component on each side panel is multiple, and uniform along the inner face of side panel Distribution.

As further preferred scheme, the foil-type elastic component being fixed on a side panel be fixed on another side panel Foil-type elastic component forms specular.

As further preferred scheme, the inner face at side panel is provided with the draw-in groove for fixing foil-type elastic component.

As a kind of embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, the arc convex of described ripple paper tinsel Top fits with flat paper tinsel.

As another embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, between the ripple arch of described ripple paper tinsel Transition base fits with flat paper tinsel.

As another embodiment, described foil-type elastic component is made up of two flat paper tinsels.

Above-mentioned slot type decorative pattern is impeller shape.

Above-mentioned foil-type elastic component is preferably through Surface heat-treatent.

Preferably, described rotor includes rotor base, magnet steel and magnet steel protection set, and described rotor base is set in On interior axle, described magnetic steel sleeve is located at the central part of rotor base, and described magnet steel protection set is set on magnet steel.

Preferably, described stator includes that iron core and winding, described iron core are held within the motor above rotor On the inwall of housing, described winding is arranged on iron core.

Preferably, described iron core includes by some punchings stacked stator lasmination formed up and down and is fixed on stator The end clamp plate of lamination both sides.

As further preferred scheme, described punching is annular, is interval with the perforation of multiple cup-shaped at ring part, described The rim of a cup portion of perforation closes, the bottom opening of cup foot.

Preferably, described winding is the star-like connection of three-phase, and centrage is not brought up, and only draws tri-terminations of A, B, C.

As further preferred scheme, every phase winding is 2 coils, and each coil is formed by enamel covered wire continuous coiling.

Compared with prior art, this utility model has the advantages that

Because of motor provided by the utility model, be the lubricant using gas as bearing, the most not only have pollution-free, Friction loss is low, use the plurality of advantages such as time length, applied widely, energy-conserving and environment-protective, and uses described structure, radiating effect Good, it is ensured that long-time steady operation；Especially, the ultrahigh speed under air supporting state can be realized because of the air bearing of described structure Steady running (after tested, up to 100,000～450, the limit speed of 000rpm), therefore for equal-wattage requirement, this reality It is substantially reduced realization miniaturization with the novel volume making motor, there is the advantage such as little, easy to use that takes up room, micro-to promoting The development of type new and high technology has important value, has significance progress relative to prior art.

Accompanying drawing explanation

Fig. 1 is the cross-sectional view of a kind of super high speed motor that embodiment 1 provides；

Fig. 2 is the left view perspective view of the local segmentation of the slot type kinetic pressure gas journal bearing that embodiment 1 provides；

Fig. 3 is the A partial enlarged drawing in Fig. 2；

Fig. 4 is that the right side of the local segmentation of the slot type kinetic pressure gas journal bearing that embodiment 1 provides regards perspective view；

Fig. 5 is the B partial enlarged drawing in Fig. 4；

Fig. 6 is the cross-sectional view of the hybrid kinetic pressure gas thrust bearing that embodiment 1 provides；

Fig. 7 a is the left view of mid-game described in embodiment 1；

Fig. 7 b is the right view of mid-game described in embodiment 1；

Fig. 8 a is the right view of the left hand plate being fixed with foil-type elastic component described in embodiment 1；

Fig. 8 b is the left view of the right side dish being fixed with foil-type elastic component described in embodiment 1；

Fig. 9 is the cross section structure schematic diagram of the foil-type elastic component that embodiment 1 provides；

Figure 10 is the perspective view of the foil-type elastic component that embodiment 1 provides；

Figure 11 a is the left view perspective view of a kind of hybrid kinetic pressure gas thrust bearing that embodiment 2 provides；

Figure 11 b is that the right side of the hybrid kinetic pressure gas thrust bearing that embodiment 2 provides regards perspective view；

Figure 12 is the local segmentation perspective view of the hybrid kinetic pressure gas thrust bearing that embodiment 2 provides；

Figure 13 is the left view perspective view of mid-game described in embodiment 2；

Figure 14 is the C partial enlarged drawing in Figure 13；

Figure 15 is that the right side of mid-game described in embodiment 2 regards perspective view；

Figure 16 is the D partial enlarged drawing in Figure 15；

Figure 17 is the rotor structure schematic diagram that embodiment 3 is provided；

Figure 18 is the core structure schematic diagram that embodiment 4 is provided；

Figure 19 is the structural representation of punching described in embodiment 4；

Figure 20 is the winding construction schematic diagram that embodiment 4 is provided；

Figure 21 is the perspective view of the electric machine casing that embodiment 5 is provided；

Figure 22 is the E partial enlarged drawing in Figure 21；

Figure 23 is that the right side of a kind of super high speed motor that embodiment 5 provides regards perspective view.

In figure, label is schematically as follows:

1, electric machine casing；11, open slot；12, passage；2, rotor；21, rotor base；22, magnet steel；23, magnet steel protection Set；3, stator；31, iron core；311, punching；3111, cup-shaped perforation；3111a, rim of a cup portion；3111b, cup foot；312, stator stack Sheet；313, end clamp plate；32, winding；4, slot type kinetic pressure gas journal bearing；4a, left end journal bearing；4b, right-hand member journal bearing； 41, bearing outside；42, bearing inner sleeve；43, slot type decorative pattern；431, the slot type decorative pattern of outer circumference surface；4311, axial high bit line； 4312, axial neutrality line；4313, axial low-bit line；432, the slot type decorative pattern of left side；4321, the highest bit line；4322, footpath To neutrality line；4323, radially low-bit line；433, the slot type decorative pattern of right side；4331, the highest bit line；4332, position in radial direction Line；4333, radially low-bit line；44, stop ring；5, hybrid kinetic pressure gas thrust bearing；51, side panel；511, left hand plate；512, right Side panel；513, draw-in groove；52, mid-game；521, the slot type decorative pattern of left side；5211, the highest bit line；5212, radially neutrality line； 5213, radially low-bit line；522, the slot type decorative pattern of right side；5221, the highest bit line；5222, radially neutrality line；5223, footpath To low-bit line；523, the slot type decorative pattern of outer circumference surface；5231, axial high bit line；5232, axial neutrality line；5233, axial low level Line；53, foil-type elastic component；53a, the foil-type elastic component being fixed in left hand plate；53b, the foil-type being fixed on the dish of right side are elastic Part；531, ripple paper tinsel；5311, arc convex；5312, transition base between ripple arch；532, flat paper tinsel；6, interior axle；7, outer shaft；8a, Zuo Jing To bearing holder (housing, cover)；8b, right radial axle bearing sleeve；9a, left bearing room end cap；9a1, steam vent；9b, right bearing room end cap；10, radiation air Fan；101, blower-casting；102, air inlet.

Detailed description of the invention

Below in conjunction with the accompanying drawings and the technical solution of the utility model is described in detail by embodiment.

Embodiment 1

As shown in Figure 1: a kind of super high speed motor that the present embodiment provides, including electric machine casing 1, rotor 2, stator 3,2 4,1 thrust bearing 5 of journal bearing and interior axle 6 and outer shaft 7；Described journal bearing 4 is slot type kinetic pressure gas journal bearing, bag Include bearing outside 41 and bearing inner sleeve 42；Described thrust bearing 5 is hybrid kinetic pressure gas thrust bearing, including two side panels 51 And the mid-game 52 being folded between two side panels, between each side panel 51 and mid-game 52, it is equipped with foil-type elastic component 53；Institute Stating rotor 2 and be set in the middle part of interior axle 6,2 journal bearings 4 are respectively sleeved on the outer shaft 7 being positioned at the left and right end of rotor 2, described Thrust bearing 5 is set on the outer shaft 7 of right-hand member and is positioned at the outer side of right-hand member journal bearing 4b.

Described super high speed motor also includes left radial axle bearing sleeve 8a, left bearing room end cap 9a, right radial axle bearing sleeve 8b, the right side Bearing chamber end cap 9b, radiator fan 10 and blower-casting 101, described left bearing room end cap 9a is connected with left radial axle bearing sleeve 8a Connecing, described left radial axle bearing sleeve 8a is connected with electric machine casing 1, and described blower-casting 101 is connected with right bearing room end cap 9b, Described right bearing room end cap 9b is connected with right radial axle bearing sleeve 8b, and described right radial axle bearing sleeve 8b is connected with electric machine casing 1, Described radiator fan 10 is set on the interior axle 6 between right bearing room end cap 9b and blower-casting 101.

In conjunction with shown in Fig. 2 to Fig. 5: outer circumference surface and the left and right end face of described bearing inner sleeve 42 are respectively provided with regular shape Slot type decorative pattern 43 (such as 431 in figure, 432 and 433, the slot type decorative pattern in the present embodiment is impeller shape), and left side Slot type decorative pattern 432 forms specular with the slot type decorative pattern 433 of right side.It is positioned at the slot type flower of the outer circumference surface of bearing inner sleeve 42 The axial profile line of stricture of vagina 431 is respectively formed one_to_one corresponding also with the radial profile of the slot type decorative pattern (432 and 433) of left and right end face Mutually handing-over, it may be assumed that the axial high bit line 4311 in the slot type decorative pattern 431 of outer circumference surface and the slot type decorative pattern (432 of left and right end face With 433) in the high bit line of radial direction (4321 and 4331) the most corresponding and mutually join before end face peripheral chamfer；Outer circumference surface Slot type decorative pattern 431 in axial neutrality line 4312 and the radial direction neutrality line in the slot type decorative pattern (432 and 433) of left and right end face (4322 and 4332) are the most corresponding and mutually join before end face peripheral chamfer；Axial in the slot type decorative pattern 431 of outer circumference surface Low-bit line 4313 is the most corresponding with the radial direction low-bit line (4323 and 4333) in the slot type decorative pattern of left and right end face (432 and 433), And mutually join before end face peripheral chamfer.

Slot type decorative pattern (431,432 and of regular shape it are respectively provided with by the outer circumference surface and both ends of the surface making bearing inner sleeve 42 433), the slot type decorative pattern 432 of left side and the slot type decorative pattern 433 of right side form the slot type decorative pattern of specular and outer circumference surface The axial profile line of 431 is respectively formed one_to_one corresponding phase with the radial profile of the slot type decorative pattern (432 and 433) of left and right end face Handing-over mutually, it is ensured that produced by the slot type decorative pattern (432 and 433) of the impeller shape of both ends of the surface, pressurization gas is from axle center radially Carrying in the recess channels constantly formed toward the slot type decorative pattern 431 of outer circumference surface, running up axle so that forming higher support Hold required air film, and air film is i.e. as the lubricant of kinetic pressure gas journal bearing, is thus advantageous to realize described slot type dynamic pressure The gas lubricated journal bearing 4 high speed steady running under air supporting state.

It addition, when being respectively provided with stop ring 44 at the two ends of bearing outside 41, may be implemented under the drive of high speed gyroaxis, Making to be produced from sealing function between the both ends of the surface of bearing inner sleeve 42 and stop ring 44, the action pneumatic physical ability making slot type decorative pattern continuously generate is complete Well in the airtight whole fit clearance being saved in bearing, fully ensure that the lubrication of the kinetic pressure gas journal bearing run up needs Want.

Fit clearance between described bearing outside 41 and bearing inner sleeve 42 is preferably 0.003～0.008mm, with the most really Protect the reliability and stability that bearing runs up.

As shown in Figure 6: the hybrid kinetic pressure gas thrust bearing of one 5 that the present embodiment provides, including: two side panels 51, Between two side panels 51, it is folded with mid-game 52, between each side panel 51 and mid-game 52, is provided with foil-type elastic component 53；In described The left side of dish 52 is provided with the slot type decorative pattern 521 of regular shape, and right side is provided with the slot type decorative pattern 522 of regular shape.

Visible in conjunction with Fig. 7 a and Fig. 7 b: the slot type decorative pattern 521 of the left side of described mid-game 52 and the slot type decorative pattern of right side The footpath of specular, the radial profile of the slot type decorative pattern 521 of left side and the slot type decorative pattern 522 of right side is formed between 522 One_to_one corresponding is formed to contour line.

Described slot type decorative pattern 521 is identical with the shape of 522, is impeller shape in the present embodiment.

Visible further combined with Fig. 8 a and Fig. 8 b: described foil-type elastic component 53 is fixed on the inner face of corresponding side panel 51 (shown in the left hand plate 511 and Fig. 8 b being fixed with foil-type elastic component 53a shown in such as Fig. 8 a, it is fixed with foil-type elastic component 53b Right side dish 512), and the foil-type elastic component 53a being fixed in left hand plate 511 and the foil-type being fixed on the dish 512 of right side elastic Part 53b forms specular.Foil-type elastic component on each side panel can be multiple (shown in figure are 4), and along side panel Inner face be uniformly distributed.

By arranging foil-type elastic component 53 between side panel 51 and mid-game 52, the left and right end face in mid-game 52 arranges rule The slot type decorative pattern (521 and 522) of shape, and make the slot type decorative pattern 521 of left side form mirror image with the slot type decorative pattern 522 of right side Symmetry, thus obtained the rigidity characteristic of the high limit rotating speed not only with slot type kinetic pressure gas thrust bearing, but also there is paillon foil formula The high impact-resistance of kinetic pressure gas thrust bearing and the hybrid kinetic pressure gas thrust bearing of the flexible characteristic of load-carrying ability；Cause For defining wedge shape space between foil-type elastic component 53 and mid-game 52, when mid-game 52 rotates, gas is because of the viscous effect of himself It is driven and is compressed in wedge shape space, thus axial hydrodynamic power can be made to been significantly enhanced, relative to existing simple paper tinsel Chip kinetic pressure gas thrust bearing, can have the limit speed being multiplied under same load；Simultaneously as add foil-type Elastic component 53, under its elastic reaction, the ability that also can make the load-carrying ability of bearing, impact resistance and suppression axle whirling motion is notable Improve, relative to existing simple slot type kinetic pressure gas thrust bearing, can have the shock resistance being multiplied under same rotational speed Ability and load-carrying ability.

Shown in Fig. 6 and Fig. 9, Figure 10: described foil-type elastic component 53 is made up of ripple paper tinsel 531 peace paper tinsel 532, described ripple The top of the arc convex 5311 of paper tinsel 531 fits with flat paper tinsel 532, and between the ripple arch of described ripple paper tinsel 531, transition base 5312 is with right The inner face answering side panel 51 fits.

For reducing the mid-game 52 the run up abrasion to foil-type elastic component 53 further, to extend the use longevity of bearing Life, preferably arranges wear-resistant coating (not shown) on the cooperation face of the foil-type elastic component 53 matched with mid-game 52.

Embodiment 2

In conjunction with Figure 11 a, 11b, shown in 12 to 16 visible, the hybrid kinetic pressure gas thrust bearing of one that the present embodiment provides With differing only in of embodiment 1:

Outer circumference surface in described mid-game 52 also is provided with slot type decorative pattern 523, and the shape of the slot type decorative pattern 523 of outer circumference surface Identical with the shape of the slot type decorative pattern of left and right end face (521 and 522) (in the present embodiment, being impeller shape), and excircle The axial profile line of the slot type decorative pattern 523 in face is respectively formed with the radial profile of the slot type decorative pattern (521 and 522) of left and right end face One_to_one corresponding also mutually joins；That is:

Axial high bit line 5231 in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 521 of left side High bit line 5211 is the most corresponding and mutually joins before end face peripheral chamfer；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 the most corresponding with the radial direction neutrality line 5212 in the slot type decorative pattern 521 of left side and before end face peripheral chamfer phase Handing-over mutually；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 521 of left side Bit line 5213 is the most corresponding and mutually joins (as shown in figure 14) before end face peripheral chamfer；

Axial high bit line 5231 in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 522 of right side High bit line 5221 is the most corresponding and mutually joins before end face peripheral chamfer；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 the most corresponding with the radial direction neutrality line 5222 in the slot type decorative pattern 522 of right side and before end face peripheral chamfer phase Handing-over mutually；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 522 of right side Bit line 5223 is the most corresponding and mutually joins (as shown in figure 16) before end face peripheral chamfer.

When the outer circumference surface in described mid-game 52 also is provided with slot type decorative pattern, and make the shape of the slot type decorative pattern 523 of outer circumference surface Shape is identical with the shape of the slot type decorative pattern of left and right end face (521 and 522), and the axial wheel of the slot type decorative pattern 523 of outer circumference surface When the radial profile of the slot type decorative pattern (521 and 522) of profile and left and right end face is respectively formed one_to_one corresponding and mutually joins, can Make pressurization gas produced by the slot type decorative pattern (521 and 522) of inner disc both ends of the surface from axle center the most constantly toward outer circumference surface The recess channels that formed of slot type decorative pattern 523 in carry run up the air film needed for bearing so that forming higher support, and gas Film is i.e. as the lubricant of kinetic pressure gas thrust bearing, thus can be further assured that described hybrid kinetic pressure gas thrust bearing High speed steady running under air supporting state, is further ensured that for realizing the high limit rotating speed offer of motor.

The inner face of side panel 51 is provided with the draw-in groove 513 (as shown in figure 12) for fixing foil-type elastic component 53.

Described foil-type elastic component 53 is preferably 0.003～0.008mm, to further ensure that with the fit clearance of mid-game 52 The reliability and stability that bearing runs up.

In order to preferably meet the performance requirement that runs up, described foil-type elastic component 53 preferably through surface heat at Reason.

It is further to note that: the composition structure of foil-type elastic component 53 described in the utility model is not limited to above-mentioned enforcement Described in example, it is also possible to use ripple paper tinsel peace paper tinsel composition, but between the ripple of described ripple paper tinsel arch, transition base fits with flat paper tinsel, or Person, directly uses two flat paper tinsel compositions, or uses other existing structure.

Embodiment 3

Shown in Fig. 1 and Figure 17: described rotor 2 include rotor base 21, magnet steel 22 and magnet steel protection set 23, described turn Sub-base 21 is set on interior axle 6, and described magnet steel 22 is set in the central part of rotor base 21, and described magnet steel protection set 23 is sheathed On magnet steel 22, more preferably to meet ultrahigh speed rotation.

Embodiment 4

Shown in Fig. 1 and Figure 18: described stator 3 includes that iron core 31 and winding 32, described iron core 31 are held within turning On the inwall of the electric machine casing 1 above son 2, described winding 32 is arranged on iron core 31；Described iron core 31 includes by some punchings About the 311 stacked stator lasmination 312 formed and the end clamp plates 313 being fixed on stator lasmination 312 both sides.

As shown in figure 19: described punching 311, in annular, is interval with multiple cup-shaped perforation 3111 at ring part, described The rim of a cup portion 3111a of perforation 3111 closes, the bottom opening of cup foot 3111b.

As shown in figure 20: described winding 32 uses the star-like connection of three-phase, and centrage is not brought up, A, B, C tri-end is only drawn Head；Every phase winding is 2 coils, and each coil is formed by enamel covered wire continuous coiling.

Embodiment 5

Shown in Figure 21 and Figure 22: offer some open slots 11, at electric machine casing in the inwall week side of electric machine casing 1 The end face of 1 offers some passages 12, and described open slot 11 is connected with passage 12, is beneficial to the importing of gas and leads Going out, on the one hand realize quick heat radiating aerofluxus, another side realizes bearing indoor are carried out air supply.

It addition, offer some steam vent 9a1 in all sides of left bearing room end cap 9a, in the outer face of blower-casting 101 On offer some air inlets 102 (as shown in figure 23), to realize quick heat radiating further.

After tested, the bearing that this utility model provides can reach 100,000～450 under air supporting state, the pole of 000rpm Limit rotating speed, therefore for equal-wattage requirement, this utility model can make the volume of motor be substantially reduced realization miniaturization, to promotion The development of miniaturization new and high technology has important value.

Finally be necessary it is pointed out here that: above content is served only for doing technical scheme described in the utility model further Describe in detail, it is impossible to being interpreted as the restriction to this utility model protection domain, those skilled in the art is according to this utility model Some nonessential improvement of making of foregoing and adjustment belong to protection domain of the present utility model.

Claims

1. a super high speed motor, including electric machine casing, rotor, stator, 2 journal bearings, 1 thrust bearing and interior axle and outer Axle；It is characterized in that: described journal bearing is slot type kinetic pressure gas journal bearing, including bearing outside and bearing inner sleeve；Described Thrust bearing is hybrid kinetic pressure gas thrust bearing, including two side panels and be folded in the mid-game between two side panels, Foil-type elastic component it is equipped with between each side panel and mid-game；Described rotor is set in the middle part of interior axle, and 2 journal bearings overlap respectively Being provided on the outer shaft of the left and right end of rotor, described thrust bearing is set on the outer shaft of right-hand member and is positioned at right-hand member journal bearing Outer side.

Super high speed motor the most according to claim 1, it is characterised in that: described super high speed motor also includes left radial axle Bearing sleeve and left bearing room end cap, described left bearing room end cap is connected with left radial axle bearing sleeve, described left radial axle bearing sleeve and electricity Casing body is connected.

Super high speed motor the most according to claim 1 and 2, it is characterised in that: described super high speed motor also includes right footpath To bearing holder (housing, cover), right bearing room end cap, radiator fan and blower-casting, described blower-casting is connected with right bearing room end cap, institute Stating right bearing room end cap to be connected with right radial axle bearing sleeve, described right radial axle bearing sleeve is connected with electric machine casing, described heat radiation Fan is set on the interior axle between right bearing room end cap and blower-casting.

Super high speed motor the most according to claim 3, it is characterised in that: offer some in all sides of left bearing room end cap Steam vent, offers some air inlets on the outer face of blower-casting.

Super high speed motor the most according to claim 1, it is characterised in that: offer some in the inwall week side of electric machine casing Open slot, the end face at electric machine casing offers some passages, and described open slot is connected with passage.

Super high speed motor the most according to claim 1, it is characterised in that: the outer circumference surface of described bearing inner sleeve and both ends of the surface It is respectively provided with the slot type decorative pattern of regular shape.

Super high speed motor the most according to claim 7, it is characterised in that: the slot type decorative pattern of the end face of described bearing inner sleeve Specular is formed with the slot type decorative pattern of other end, and the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface The radial profile of slot type decorative pattern is respectively formed one_to_one corresponding and mutually joins.

Super high speed motor the most according to claim 8, it is characterised in that: the slot type flower of the outer circumference surface of described bearing inner sleeve Axial high bit line bit line high with the radial direction in the slot type decorative pattern of both ends of the surface in stricture of vagina the most corresponding and before end face peripheral chamfer phase Handing-over mutually；Axial neutrality line in the slot type decorative pattern of outer circumference surface is the most relative with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface Should and mutually join before end face peripheral chamfer；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the slot type of both ends of the surface Radial direction low-bit line in decorative pattern is the most corresponding and mutually joins before end face peripheral chamfer.

Super high speed motor the most according to claim 1, it is characterised in that: the both ends of the surface of described mid-game are equipped with rule shape The slot type decorative pattern of shape, and the slot type decorative pattern formation specular of the slot type decorative pattern of end face and other end.

11. super high speed motors according to claim 10, it is characterised in that: the outer circumference surface in described mid-game also is provided with groove Formula decorative pattern, and the shape of the slot type decorative pattern of outer circumference surface is identical with the shape of the slot type decorative pattern of both ends of the surface, and outer circumference surface The axial profile line of slot type decorative pattern is respectively formed one_to_one corresponding with the radial profile of the slot type decorative pattern of both ends of the surface and mutually joins.

12. super high speed motors according to claim 11, it is characterised in that: in the slot type decorative pattern of the outer circumference surface of mid-game Axial high bit line bit line high with the radial direction in the slot type decorative pattern of both ends of the surface is the most corresponding and mutually hands over before end face peripheral chamfer Connect；Axial neutrality line in the slot type decorative pattern of outer circumference surface is the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface, And mutually join before end face peripheral chamfer；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the slot type decorative pattern of both ends of the surface In radial direction low-bit line the most corresponding and mutually join before end face peripheral chamfer.

13. super high speed motors according to claim 1, it is characterised in that: the foil-type elastic component being fixed on a side panel Specular is formed with the foil-type elastic component being fixed on another side panel.

14. according to the super high speed motor described in claim 1 or 13, it is characterised in that: described foil-type elastic component by ripple paper tinsel and Flat paper tinsel forms, and the arc convex top of described ripple paper tinsel fits with flat paper tinsel.

15. according to the super high speed motor described in claim 1 or 13, it is characterised in that: described foil-type elastic component by ripple paper tinsel and Flat paper tinsel forms, and between the ripple arch of described ripple paper tinsel, transition base fits with flat paper tinsel.

16. according to the super high speed motor described in claim 1 or 13, it is characterised in that: described foil-type elastic component is put down by two Paper tinsel forms.

17. super high speed motors according to claim 1, it is characterised in that: described rotor includes rotor base, magnet steel and magnetic Steel protection set, described rotor base is set on interior axle, and described magnetic steel sleeve is located at the central part of rotor base, and described magnet steel is protected It is set on magnet steel.

18. super high speed motors according to claim 1, it is characterised in that: described stator includes iron core and winding, described ferrum Core is held within the inwall of the electric machine casing above rotor, and described winding is arranged on iron core.

19. super high speed motors according to claim 18, it is characterised in that: described iron core includes being folded up and down by some punchings Put the stator lasmination of formation and be fixed on the end clamp plate of stator lasmination both sides.

20. super high speed motors according to claim 19, it is characterised in that: described punching is annular, between ring part Every being provided with the perforation of multiple cup-shaped, the rim of a cup portion of described perforation closes, the bottom opening of cup foot.

21. super high speed motors according to claim 18, it is characterised in that: described winding is the star-like connection of three-phase, center Line is not brought up, and only draws tri-terminations of A, B, C.

22. super high speed motors according to claim 21, it is characterised in that: every phase winding is 2 coils, each coil by Enamel covered wire continuous coiling forms.