CN106452006B - Concentric type permanent magnet gear cascades transmission device - Google Patents

Concentric type permanent magnet gear cascades transmission device Download PDF

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Publication number
CN106452006B
CN106452006B CN201610980531.0A CN201610980531A CN106452006B CN 106452006 B CN106452006 B CN 106452006B CN 201610980531 A CN201610980531 A CN 201610980531A CN 106452006 B CN106452006 B CN 106452006B
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ring
bearing
assembly
adjustable magnetic
left end
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CN106452006A (en
Inventor
葛研军
袁直
周凯凯
杨均悦
王鹏
方飞
李庆洋
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DALIAN YULIN ELECTRIC MOTOR CO LTD
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Dalian Jiaotong University
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/02—Casings or enclosures characterised by the material thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The invention discloses a kind of concentric type permanent magnet gears to cascade transmission device, including outer magnetic ring assembly, adjustable magnetic ring I assembly, interior magnetosphere I assembly, adjustable magnetic ring II assembly, interior magnetosphere II assembly, input assembly and output assembly.Power transmission form of the invention is power dividing, and biggish transmission ratio, revolving speed and torque output can be realized in lesser structure space；Since permanent magnet D, II assembly of adjustable magnetic ring and interior magnetosphere II assembly both participate in rotary motion, and adjustable magnetic ring II needs the resistance for overcoming interior magnetosphere II assembly that could generate required movement, and then transmits bigger power and transmission ratio.Therefore power dividing mode of the invention has difference substantially with traditional mechanical gear power dividing: in addition to the progress power dividing by mechanical power transmission branch identical with mechanical gear, can also be shunted again by the magnetic field coupling relationship of magnetic gear internal.Therefore, structure is more compact, takes up space also smaller, and cost advantage is also bigger.

Description

Concentric type permanent magnet gear cascades transmission device
Technical field
The present invention relates to permanent magnet gear transmission devices, especially concentric type permanent magnet gear transmission device.
Background technique
Permanent magnet gear is by the coupled magnetic field transmission force and torque in air gap between rotor.Since there is no such as mechanical tooth " flank of tooth " that wheel directly contacts like that, wheel between cog does not rub, therefore will not generate fortune without placing lubricating oil in gear-box Dynamic noise；In addition, not being rigidly connected between power rotor and driven rotor in permanent magnet gear, allow the rotation of two ports There are certain errors of centralization for axis, and the vibration at both ends had both been isolated in this way, and are conducive to its maintenance.
Although permanent magnet gear has above-mentioned outstanding advantages, limited by mechanical structure, permanent magnet gear is generally monopole at present Transmission is driven smaller (generally 5 or so), to limit its performance number that can be transmitted, cannot be widely applied to each In field.
Summary of the invention
To solve the above problems existing in the prior art, the present invention will design a kind of concentric type permanent magnet gear cascade transmission dress It sets, i.e., is concatenated together two single-stage concentric type permanent magnet gears, by power dividing, to realize the biggish transmission of transmitting when The purpose of transmission power.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
Concentric type permanent magnet gear cascades transmission device, including outer magnetic ring assembly, adjustable magnetic ring I assembly, interior magnetosphere I assembly, tune Magnet ring II assembly, interior magnetosphere II assembly, input assembly and output assembly.
The outer magnetic ring assembly includes shell, outer yoke A, permanent magnet D, outer yoke B and permanent magnet B；The shell Axial shape be it is ladder-like, by left section and right Duan Zucheng, left section of outer diameter and inner diameter is respectively smaller than right section of outer diameter and inner diameter, Outer yoke A is mounted on left section of inside of shell, and outer yoke B is mounted on right section of inside of shell；The inner hole edge of the outer yoke A Axially it is provided with equally distributed type groove；The permanent magnet D is embedded in the type groove of outer yoke A by the different principle of polarity；It is described The inner hole of outer yoke B be provided with equally distributed type groove along axial direction；The permanent magnet B is embedded in outer yoke by the different principle of polarity In the type groove of iron B.
The adjustable magnetic ring I assembly includes adjustable magnetic pole piece A, supporting pin A, left end ring A and right end ring A；The adjustable magnetic pole Piece A is mounted on the inside of permanent magnet B；The supporting pin A is cylindrical body, and both ends are provided with screw thread, are mounted on adjustable magnetic pole piece A along circle In the equally distributed inner hole of circumferential direction；The left end ring A and right end ring A is annular solid, and left end ring A is mounted on adjustable magnetic pole piece Between the left end of A and the cascaded surface of case inside；Right end ring A is mounted on the right end of adjustable magnetic pole piece A, and the right end ring A's is outer Surface is cooperated by keyway and ring flange fixing seat.
The interior magnetosphere I assembly includes permanent magnet C, interior yoke B, mandrel A and ring flange C；The interior yoke B installation In the inside of adjustable magnetic pole piece A, outer surface is provided with equally distributed dovetail groove along axial direction；The permanent magnet C is dovetail configuration, It is embedded in by the different principle of polarity in the dovetail groove of interior yoke B；The outer surface of the mandrel A and the inner hole of interior yoke B were It is full of cooperation；The ring flange C is ladder shaft-like, is provided with centre bore, and end face where maximum outer circle is provided with ventilation hole, passes through screw It is rigidly connected with the right side of mandrel A.
The adjustable magnetic ring II assembly includes adjustable magnetic pole piece B, supporting pin B, left end ring B and right end ring B；The adjustable magnetic pole Piece B is mounted on the inside of permanent magnet D；The supporting pin B is cylindrical body, and both ends are provided with screw thread, are mounted on adjustable magnetic pole piece B along circle In the equally distributed inner hole of circumferential direction；The left end ring B and right end ring B is annular solid, is separately mounted to adjustable magnetic pole piece B's Left end and right end；The left end ring B is rigidly connected by bolt and key and ring flange A；The right end ring B by bolt with Mandrel A rigid connection.
The interior magnetosphere II assembly includes permanent magnet A, interior yoke A and mandrel B；The interior yoke A is mounted on adjustable magnetic The inside of pole piece B, outer surface are provided with equally distributed dovetail groove along axial direction；The permanent magnet A is dovetail configuration, by polarity Different principle is embedded in the dovetail groove of interior yoke A；The inner hole of the outer surface of the mandrel B and interior yoke A are interference fit, The maximum outer circle of its centre bore and power output shaft interference fit, endface where maximum outer circle are provided with annular vent.
The input assembly includes power input shaft, left support bearing, left end bearing block, input flange disk, flush type Bearing B, bearing (ball) cover A and bearing (ball) cover B；The power input shaft is multi-diameter shaft, and left end connects power source, and middle part is by left branch Bearing support is supportted, right end is rigidly connected by bolt and key and input flange disk；The left support bearing is radial ball bearing, Bearing outer ring is mounted in the type hole of left end bearing block, and bearing inner race is mounted at the outer surfaces of power input shaft, axial It is positioned by the shaft shoulder of bearing (ball) cover B and power input shaft；It is provided on the left end bearing block and left support bearing outer ring phase The type hole matched, bottom surface are rigidly attached on pedestal, are guaranteed concentric with the type hole of right end bearing block；The input flange disk is rank Scalariform, is provided with ladder-like center type hole, and ventilation hole is provided at the largest end face of left side, and right side is seam allowance, by bolt and Key and shell are rigidly connected, and left end is rigidly connected by the right end of bolt and key and power input shaft；The flush type bearing B For radial ball bearing, outer ring type hole corresponding to input flange disk matches, the left end of ring flange A in inner ring and output assembly Outer circle matches；The bearing (ball) cover A and bearing (ball) cover B carries out axially position to left support bearing and flush type bearing B respectively.
The output assembly includes fan housing, ring flange B, tube-axial fan, right support bearing, power output shaft, right end Bearing block, flush type bearing A, ring flange A, flush type bearing C, ring flange fixing seat and pedestal；The shape of the fan housing is Horn mouth is streamlined；The ring flange B be it is ladder-like, center is provided with ladder-like type hole, and end face where maximum outer circle is provided with The outer circle of ventilation hole, right end type hole and flush type bearing A match, total by bolt and key and adjustable magnetic ring I at the maximum outer circle of left end Right end ring A rigid connection in；The tube-axial fan is mounted on power output shaft, and installation site is located at right end bearing Between seat and flush type bearing A；The right support bearing is radial ball bearing, the type hole phase of outer circle and right end bearing block Match, the output end outer circle of inner circle and power output shaft matches；The power output shaft be multi-diameter shaft, left end outer circle with bury The inner hole for entering formula bearing C matches, and is interference fitted at maximum outer circle with the inner hole of the mandrel B in interior magnetosphere II assembly；The right side The type hole to match with right support bearing top circle is provided on end bearing block, bottom surface is rigidly attached on pedestal, is guaranteed and left end bearing The type hole of seat is concentric；The outer circle of the flush type bearing A and the type hole of ring flange B match, the right end of inner hole and ring flange C Outer circle matches；The ring flange A be it is ladder-like, center is provided with ladder-like type hole, and left end type hole and flush type bearing C's is outer Circle matches, and the inner hole of left end outer circle and flush type bearing B match, total by bolt and key and adjustable magnetic ring II at right end maximum outer circle Left end ring B rigid connection in, endface where maximum outer circle is provided with ventilation hole；The flush type bearing C is radial ball The left end type hole of bearing, outer circle and ring flange A match, and the left end outer circle of inner hole and power output shaft matches；The method The bottom of blue disk fixing seat be plane, with pedestal be rigidly connected, top be it is semi-circular, semi-circular bottom is provided with keyway, with tune The keyway of right end ring A is rigidly connected by key in magnet ring I assembly, plays fixed function to right end ring A；The pedestal is plate, For fixing left end bearing block, right end bearing block and ring flange fixing seat.
Further, the material of the shell is carbon steel；The silicon steel plate stacking that the outer yoke A is insulated by two sides It forms, the outer yoke B is formed by the silicon steel plate stacking that two sides is insulated；The silicon steel that the adjustable magnetic pole piece A is insulated by two sides Piece is overrided to form；The adjustable magnetic pole piece B is formed by the silicon steel plate stacking that two sides is insulated；The adjustable magnetic pole piece B is exhausted by two sides The silicon steel plate stacking of edge forms；The interior yoke A is formed by the silicon steel plate stacking that two sides is insulated；The mandrel B material is Carbon steel；The interior yoke B is formed by the silicon steel plate stacking that two sides is insulated；The material of the mandrel A is carbon steel；It is described Ring flange C material be carbon steel；The fan housing is made of sheet iron；The material of the pedestal is carbon steel.
Compared with prior art, the present invention having following obvious prominent substantive distinguishing features and remarkable advantage:
1, known to working principle through the invention: power transmission form of the invention is power dividing, can be lesser Biggish transmission ratio, revolving speed and torque output are realized in structure space；Due to permanent magnet D, II assembly of adjustable magnetic ring and interior magnetosphere II Assembly both participates in rotary motion, and adjustable magnetic ring II needs the resistance for overcoming interior magnetosphere II assembly that could generate required movement, in turn Transmit bigger power and transmission ratio.Therefore power dividing mode of the invention and traditional mechanical gear power dividing have this Difference in matter: in addition to the progress power dividing by mechanical power transmission branch identical with mechanical gear, magnetic tooth can also be passed through Magnetic field coupling relationship inside wheel is shunted again.Therefore, structure is more compact, takes up space also smaller, cost advantage Also bigger.
2, the present invention is taken away heat caused by concentric type permanent magnet gear cascade unit by tube-axial fan, that is, is passed through Air-cooled mode reduces the temperature rise of whole device, both compact-sized, is also conducive to environmental protection.
Detailed description of the invention
Fig. 1 is the structure chart of one embodiment of the invention.
Fig. 2 is the structure chart of adjustable magnetic ring II assembly in Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 2.
Fig. 4 is the structure chart of adjustable magnetic ring I assembly in Fig. 1.
Fig. 5 is the A-A cross-sectional view of Fig. 4.
In figure: 1, ring flange A；2, interior yoke A；3, shell；4, outer yoke A；5, permanent magnet A；6, left end ring A；7, permanent magnetism Body B；8, adjustable magnetic pole piece A；9, outer yoke B；10, permanent magnet C；11, interior yoke B；12, right end ring A；13, fan housing；14, ring flange B；15, tube-axial fan；16, right support bearing；17, power output shaft；18, right end bearing block；19, flush type bearing A；20, Pedestal；21, ring flange C；22, ring flange fixing seat；23, mandrel A；24, right end ring B；25, mandrel B；26, adjustable magnetic pole piece B；27, Permanent magnet D；28, left end ring B；29, flush type bearing B；30, bearing (ball) cover A；31, bearing (ball) cover B；32, power input shaft；33, Left support bearing；34, left end bearing block；35, flush type bearing C；36, input flange disk；37, supporting pin A；38, supporting pin B.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.As shown in Figs. 1-5, concentric type permanent magnet gear cascade passes Dynamic device, including outer magnetic ring assembly, adjustable magnetic ring I assembly, interior magnetosphere I assembly, adjustable magnetic ring II assembly, interior magnetosphere II assembly, input Assembly and output assembly.
The outer magnetic ring assembly includes shell 3, outer yoke A4, permanent magnet D27, outer yoke B9 and permanent magnet B7；It is described Shell 3 axial shape be it is ladder-like, by left section and right Duan Zucheng, left section of outer diameter and inner diameter is respectively smaller than right section of outer diameter And internal diameter, outer yoke A4 are mounted on left section of inside of shell 3, outer yoke B9 is mounted on right section of inside of shell 3；The outer yoke The inner hole of iron A4 is provided with equally distributed type groove along axial direction；The permanent magnet D27 is embedded in outer yoke by the different principle of polarity In the type groove of A4；The inner hole of the outer yoke B9 is provided with equally distributed type groove along axial direction；The permanent magnet B7 presses polarity Different principle is embedded in the type groove of outer yoke B9.
The adjustable magnetic ring I assembly includes adjustable magnetic pole piece A8, supporting pin A37, left end ring A6 and right end ring A12；Described Adjustable magnetic pole piece A8 is mounted on the inside of permanent magnet B7；The supporting pin A37 is cylindrical body, and both ends are provided with screw thread, are mounted on tune In the inner hole that pole piece A8 is distributed uniformly and circumferentially；The left end ring A6 and right end ring A12 is annular solid, left end ring A6 is mounted between the cascaded surface of 3 inside of left end and shell of adjustable magnetic pole piece A8；Right end ring A12 is mounted on the right side of adjustable magnetic pole piece A8 The outer surface at end, the right end ring A12 is cooperated by keyway and ring flange fixing seat 22.
The interior magnetosphere I assembly includes permanent magnet C10, interior yoke B11, mandrel A23 and ring flange C21；Described is interior Yoke B11 is mounted on the inside of adjustable magnetic pole piece A8, and outer surface is provided with equally distributed dovetail groove along axial direction；The permanent magnet C10 is dovetail configuration, is embedded in the dovetail groove of interior yoke B11 by the different principle of polarity；The outer surface of the mandrel A23 with The inner hole of interior yoke B11 is interference fit；The ring flange C21 is ladder shaft-like, is provided with centre bore, end where maximum outer circle Face is provided with ventilation hole, is rigidly connected by the right side of screw and mandrel A23.
The adjustable magnetic ring II assembly includes adjustable magnetic pole piece B26, supporting pin B38, left end ring B28 and right end ring B24；It is described Adjustable magnetic pole piece B26 be mounted on the inside of permanent magnet D27；The supporting pin B38 is cylindrical body, and both ends are provided with screw thread, is installed In the inner hole that adjustable magnetic pole piece B26 is distributed uniformly and circumferentially；The left end ring B28 and right end ring B24 is annular solid, It is separately mounted to left end and the right end of adjustable magnetic pole piece B26；The left end ring B28 is rigidly connected by bolt and key with ring flange A1 It connects；The right end ring B24 is rigidly connected by bolt and mandrel A23.
The interior magnetosphere II assembly includes permanent magnet A5, interior yoke A2 and mandrel B25；The interior yoke A2 is mounted on The inside of adjustable magnetic pole piece B26, outer surface are provided with equally distributed dovetail groove along axial direction；The permanent magnet A5 is dovetail knot Structure is embedded in the dovetail groove of interior yoke A2 by the different principle of polarity；The outer surface of the mandrel B25 is interior with interior yoke A2's Hole is interference fit, and the maximum outer circle interference fit of centre bore and power output shaft 17, endface where maximum outer circle is provided with Annular vent.
The input assembly includes power input shaft 32, left support bearing 33, left end bearing block 34, input flange disk 36, flush type bearing B29, bearing (ball) cover A30 and bearing (ball) cover B31；The power input shaft 32 is multi-diameter shaft, and left end connects Power source, middle part are supported by left support bearing 33, and right end is rigidly connected by bolt and key and input flange disk 36；The left side Spring bearing 33 is radial ball bearing, and bearing outer ring is mounted in the type hole of left end bearing block 34, and bearing inner race is mounted on power At the outer surfaces of input shaft 32, positioned axially through the shaft shoulder of bearing (ball) cover B31 and power input shaft 32；The left end The type hole to match with 33 outer ring of left support bearing is provided on bearing block 34, bottom surface is rigidly attached on pedestal 20, guarantee and right end The type hole of bearing block 18 is concentric；The input flange disk 36 be it is ladder-like, be provided with ladder-like center type hole, left side most big end Be provided with ventilation hole at face, right side is seam allowance, be rigidly connected by bolt and key and shell 3, left end by bolt and key with The right end of power input shaft 32 is rigidly connected；The flush type bearing B29 is radial ball bearing, outer ring and input flange disk 36 corresponding type hole matches, and the left end outer circle of ring flange A1 matches in inner ring and output assembly；The bearing (ball) cover A30 and Bearing (ball) cover B31 carries out axially position to left support bearing 33 and flush type bearing B29 respectively.
The output assembly includes fan housing 13, ring flange B14, tube-axial fan 15, right support bearing 16, power output Axis 17, right end bearing block, flush type bearing A19, ring flange A1, flush type bearing C35, ring flange fixing seat 22 and pedestal 20； The shape of the fan housing 13 is that horn mouth is streamlined；The ring flange B14 be it is ladder-like, center is provided with ladder-like type Hole, end face where maximum outer circle are provided with ventilation hole, the outer circle matching of right end type hole and flush type bearing A19, left end maximum outer circle Place is rigidly connected by the right end ring A12 in bolt and key and adjustable magnetic ring I assembly；The tube-axial fan 15 is mounted on power On output shaft 17, installation site is located between right end bearing block and flush type bearing A19；The right support bearing 16 is centripetal The type hole of ball bearing, outer circle and right end bearing block matches, and the output end outer circle of inner circle and power output shaft 17 matches；It is described Power output shaft 17 be multi-diameter shaft, the inner hole of left end outer circle and flush type bearing C35 match, at maximum outer circle with interior magnetosphere The inner hole of mandrel B25 in II assembly is interference fitted；It is provided on the right end bearing block and matches with 16 outer circle of right support bearing Type hole, bottom surface is rigidly attached on pedestal 20, guarantees concentric with the type hole of left end bearing block 34；The flush type bearing The outer circle of A19 and the type hole of ring flange B14 match, and the right end outer circle of inner hole and ring flange C21 match；The ring flange A1 To be ladder-like, center is provided with ladder-like type hole, and the outer circle of left end type hole and flush type bearing C35 match, left end outer circle with bury The inner hole for entering formula bearing B29 matches, rigid by bolt and key and the left end ring B28 in adjustable magnetic ring II assembly at right end maximum outer circle Property connection, endface where maximum outer circle is provided with ventilation hole；The flush type bearing C35 be radial ball bearing, outer circle with The left end type hole of ring flange A1 matches, and the left end outer circle of inner hole and power output shaft 17 matches；The ring flange fixing seat 22 bottom be plane, with pedestal 20 be rigidly connected, top be it is semi-circular, semi-circular bottom is provided with keyway, total with adjustable magnetic ring I It is rigidly connected at the keyway of middle right end ring A12 by key, fixed function is risen to right end ring A12；The pedestal 20 is plate, is used In fixed left end bearing block 34, right end bearing block 18 and ring flange fixing seat 22.
Further, the material of the shell 3 is carbon steel；The silicon steel sheet stack that the outer yoke A4 is insulated by two sides It presses, the outer yoke B9 is formed by the silicon steel plate stacking that two sides is insulated；What the adjustable magnetic pole piece A8 was insulated by two sides Silicon steel plate stacking forms；The adjustable magnetic pole piece B26 is formed by the silicon steel plate stacking that two sides is insulated；The adjustable magnetic pole piece B26 It is formed by the silicon steel plate stacking that two sides is insulated；The interior yoke A2 is formed by the silicon steel plate stacking that two sides is insulated；The heart Axis B25 material is carbon steel；The interior yoke B11 is formed by the silicon steel plate stacking that two sides is insulated；The material of the mandrel A23 Material is carbon steel；The material of the ring flange C21 is carbon steel；The fan housing 13 is made of sheet iron；The pedestal 20 material is carbon steel.
Working principle of the present invention is as follows:
The concentric type permanent magnet gear that two monopole concentric type permanent magnet gear cascades are integrated is cascaded transmission device by the present invention, Including outer magnetic ring assembly, adjustable magnetic ring I assembly, interior magnetosphere I assembly, adjustable magnetic ring II assembly, interior magnetosphere II assembly, input assembly and defeated Assembly etc. out.Wherein there is one layer of even air gap between outer magnetic ring assembly and adjustable magnetic ring I assembly and adjustable magnetic ring II assembly；Adjustable magnetic There are one layer of even air gaps between ring I assembly and interior magnetosphere I assembly；Between adjustable magnetic ring II assembly and interior magnetosphere II assembly there is also One layer of even air gap.
Power (revolving speed and torque) is passed to input flange disk 36 through power input shaft 32 by power source, and then passes through shell 3 make permanent magnet B7 and permanent magnet D27 generate rotary motion and form rotating excitation field；Wherein, the rotating excitation field that permanent magnet B7 is generated After the adjustable magnetic pole piece A8 modulation in adjustable magnetic ring I assembly, the rotation that can be matched with the permanent magnet C10 in interior magnetosphere I assembly is formed Turn magnetic field, interior magnetosphere I assembly is made to generate rotary motion；Since adjustable magnetic ring II assembly is rigidly connected with interior magnetosphere I assembly by bolt It connects, therefore adjustable magnetic ring II assembly also generates the rotation speed all the same with interior magnetosphere I assembly size and direction；Permanent magnet D27 is produced Raw rotating excitation field is formed after the adjustable magnetic pole piece B26 modulation in adjustable magnetic ring II assembly can be with the permanent magnet in interior magnetosphere II assembly The rotating excitation field that A5 matches makes interior magnetosphere II assembly generate rotary motion, will by the power output shaft 17 in output assembly Power output.
Tube-axial fan 15 is solidly connected the outer round surface in power output shaft 17, generates rotation identical with power output shaft 17 Rotary speed can input air stream from 36 side of input flange disk, and then ventilated input flange disk 36, ring flange A1, mandrel B25, ring flange C21 and ring flange B14 ventilation hole and flowed out through fan housing 13, internal heat of the invention is taken away.
If setting the number of magnetic pole pairs of permanent magnet D27 as a1, corresponding revolving speed is ωa1；The number of magnetic pole pairs of permanent magnet B7 are a2, Corresponding revolving speed is ωa2, and ωa1=ωa2；The pole block number of adjustable magnetic pole piece B26 is b1, corresponding revolving speed is ωb1, adjustable magnetic The pole block number of pole piece A8 is b2, and corresponding revolving speed is ωb2；The number of magnetic pole pairs of permanent magnet A5 are c1, corresponding revolving speed is ωc1；The number of magnetic pole pairs of permanent magnet C10 are c2, corresponding revolving speed is ωc2, and ωb1=ωc2；Then have:
b1=a1+c1
b2=a2+c2
"-" indicates ω in above formulac1With ωa1Direction of rotation it is opposite.
If setting a1=17, b1=21, c1=4, a2=27, b2=31, c2=4, transmission ratio i, then:
About 8 times or so of monopole concentric type permanent magnet gear.
The present invention is not limited to the present embodiment, any equivalent concepts within the technical scope of the present disclosure or changes Become, is classified as protection scope of the present invention.

Claims (2)

1. concentric type permanent magnet gear cascades transmission device, it is characterised in that: including outer magnetic ring assembly, adjustable magnetic ring I assembly, interior magnetosphere I assembly, adjustable magnetic ring II assembly, interior magnetosphere II assembly, input assembly and output assembly；
The outer magnetic ring assembly includes shell (3), outer yoke A (4), permanent magnet D (27), outer yoke B (9) and permanent magnet B (7)；The axial shape of the shell (3) be it is ladder-like, by left section and right Duan Zucheng, left section of outer diameter and inner diameter is respectively smaller than Right section of outer diameter and inner diameter, outer yoke A (4) are mounted on left section of inside of shell (3), and outer yoke B (9) is mounted on shell (3) Right section of inside；The inner hole of the outer yoke A (4) is provided with equally distributed type groove along axial direction；The permanent magnet D (27) presses pole The different principle of property is embedded in the type groove of outer yoke A (4)；The inner hole of the outer yoke B (9) is provided with equally distributed along axial direction Type groove；The permanent magnet B (7) is embedded in the type groove of outer yoke B (9) by the different principle of polarity；
The adjustable magnetic ring I assembly includes adjustable magnetic pole piece A (8), supporting pin A (37), left end ring A (6) and right end ring A (12)；Institute The adjustable magnetic pole piece A (8) stated is mounted on the inside of (7) permanent magnet B；The supporting pin A (37) is cylindrical body, and both ends are provided with spiral shell Line is mounted in the inner hole that adjustable magnetic pole piece A (8) is distributed uniformly and circumferentially；The left end ring A (6) and right end ring A (12) It is annular solid, left end ring A (6) is mounted between the cascaded surface on the inside of the left end and shell (3) of adjustable magnetic pole piece A (8)；Right end ring A (12) is mounted on the right end of adjustable magnetic pole piece A (8), and the outer surface of the right end ring A (12) passes through keyway and ring flange fixing seat (22) cooperate；
The interior magnetosphere I assembly includes permanent magnet C (10), interior yoke B (11), mandrel A (23) and ring flange C (21)；It is described Interior yoke B (11) be mounted on the inside of adjustable magnetic pole piece A (8), outer surface is provided with equally distributed dovetail groove along axial direction；It is described Permanent magnet C (10) be dovetail configuration, be embedded in by the different principle of polarity in the dovetail groove of interior yoke B (11)；The mandrel A (23) inner hole of outer surface and interior yoke B (11) is interference fit；The ring flange C (21) is ladder shaft-like, is provided with Heart hole, end face where maximum outer circle are provided with ventilation hole, are rigidly connected by the right side of screw and mandrel A (23)；
The adjustable magnetic ring II assembly includes adjustable magnetic pole piece B (26), supporting pin B (38), left end ring B (28) and right end ring B (24)； The adjustable magnetic pole piece B (26) is mounted on the inside of (27) permanent magnet D；The supporting pin B (38) is cylindrical body, and both ends are provided with Screw thread is mounted in the inner hole that adjustable magnetic pole piece B (26) is distributed uniformly and circumferentially；The left end ring B (28) and right end ring B (24) it is annular solid, is separately mounted to left end and the right end of adjustable magnetic pole piece B (26)；The left end ring B (28) passes through bolt And key and ring flange A (1) are rigidly connected；The right end ring B (24) is rigidly connected by bolt and mandrel A (23)；
The interior magnetosphere II assembly includes permanent magnet A (5), interior yoke A (2) and mandrel B (25)；Interior yoke A (2) peace Mounted in the inside of adjustable magnetic pole piece B (26), outer surface is provided with equally distributed dovetail groove along axial direction；The permanent magnet A (5) is Dovetail configuration is embedded in the dovetail groove of interior yoke A (2) by the different principle of polarity；The outer surface of the mandrel B (25) with it is interior The inner hole of yoke A (2) is interference fit, the maximum outer circle interference fit of centre bore and power output shaft (17), maximum outer circle Place endface is provided with annular vent；
The input assembly includes power input shaft (32), left support bearing (33), left end bearing block (34), input flange disk (36), flush type bearing B (29), bearing (ball) cover A (30) and bearing (ball) cover B (31)；The power input shaft (32) is ladder Axis, left end connect power source, and middle part is supported by left support bearing (33), and right end is rigid by bolt and key and input flange disk (36) Property connection；The left support bearing (33) is radial ball bearing, and bearing outer ring is mounted in the type hole of left end bearing block (34), Bearing inner race is mounted at the outer surfaces of power input shaft (32), axially through bearing (ball) cover B (31) and power input shaft (32) shaft shoulder positioning；The type hole to match with left support bearing (33) outer ring, bottom surface are provided on the left end bearing block (34) It is rigidly attached on pedestal (20), guarantees concentric with the type hole of right end bearing block (18)；The input flange disk (36) is rank Scalariform, is provided with ladder-like center type hole, and ventilation hole is provided at the largest end face of left side, and right side is seam allowance, by bolt and Key and shell (3) are rigidly connected, and left end is rigidly connected by bolt and key and the right end of power input shaft (32)；The embedment Formula bearing B (29) is radial ball bearing, and outer ring matches to the corresponding type hole of input flange disk (36), inner ring and output assembly The left end outer circle of middle ring flange A (1) matches；The bearing (ball) cover A (30) and bearing (ball) cover B (31) is respectively to left support bearing (33) and flush type bearing B (29) carries out axially position；
The output assembly includes fan housing (13), ring flange B (14), tube-axial fan (15), right support bearing (16), power Output shaft (17), right end bearing block (18), flush type bearing A (19), ring flange A (1), flush type bearing C (35), ring flange are solid Reservation (22) and pedestal (20)；The shape of the fan housing (13) is that horn mouth is streamlined；The ring flange B (14) is ladder Shape, center are provided with ladder-like type hole, and end face where maximum outer circle is provided with ventilation hole, right end type hole and flush type bearing A (19) Outer circle match, be rigidly connected at the maximum outer circle of left end by the right end ring A (12) in bolt and key and adjustable magnetic ring I assembly；Institute The tube-axial fan (15) stated is mounted on power output shaft (17), and installation site is located at right end bearing block and flush type bearing A (19) between；The right support bearing (16) is radial ball bearing, the type hole matching of outer circle and right end bearing block, inner hole Match with the output end outer circle of power output shaft (17)；The power output shaft (17) be multi-diameter shaft, left end outer circle with bury The inner hole for entering formula bearing C (35) matches, and is interference fitted at maximum outer circle with the inner hole of the mandrel B (25) in interior magnetosphere II assembly； The type hole to match with right support bearing (16) outer circle is provided on the right end bearing block, bottom surface is rigidly attached to pedestal (20) On, guarantee concentric with the type hole of left end bearing block (34)；The outer circle of the flush type bearing A (19) and ring flange B (14) Type hole matches, and the right end outer circle of inner hole and ring flange C (21) matches；The ring flange A (1) be it is ladder-like, center is opened There is ladder-like type hole, the outer circle matching of left end type hole and flush type bearing C (35), left end outer circle is with flush type bearing B's (29) Inner hole matches, and is rigidly connected at right end maximum outer circle by the left end ring B (28) in bolt and key and adjustable magnetic ring II assembly, maximum Endface where outer circle is provided with ventilation hole；The flush type bearing C (35) is radial ball bearing, outer circle and ring flange A (1) Left end type hole match, the left end outer circle of inner hole and power output shaft (17) matches；The ring flange fixing seat (22) Bottom is plane, with pedestal (20) be rigidly connected, top be it is semi-circular, semi-circular bottom is provided with keyway, with adjustable magnetic ring I assembly The keyway of middle right end ring A (12) is rigidly connected by key, plays fixed function to right end ring A (12)；The pedestal (20) is flat Plate, for fixing left end bearing block (34), right end bearing block (18) and ring flange fixing seat (22).
2. concentric type permanent magnet gear according to claim 1 cascades transmission device, it is characterised in that: the shell (3) Material be carbon steel；The outer yoke A (4) is formed by the silicon steel plate stacking that two sides is insulated, the outer yoke B (9) by The silicon steel plate stacking of two sides insulation forms；The adjustable magnetic pole piece A (8) is formed by the silicon steel plate stacking that two sides is insulated；Described Adjustable magnetic pole piece B (26) is formed by the silicon steel plate stacking that two sides is insulated；The silicon steel sheet stack that the interior yoke A (2) is insulated by two sides It presses；Mandrel B (25) material is carbon steel；The interior yoke B (11) by the silicon steel plate stacking that two sides is insulated and At；The material of the mandrel A (23) is carbon steel；The material of the ring flange C (21) is carbon steel；The fan housing (13) it is made of sheet iron；The material of the pedestal (20) is carbon steel.
CN201610980531.0A 2016-11-08 2016-11-08 Concentric type permanent magnet gear cascades transmission device Active CN106452006B (en)

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GB2457682B (en) * 2008-02-21 2012-03-28 Magnomatics Ltd Variable magnetic gears
CN104901510B (en) * 2015-07-01 2018-02-13 大连交通大学 A kind of permanent magnet gear transmission device
CN204835890U (en) * 2015-07-03 2015-12-02 迈格钠磁动力股份有限公司 Take auto -lock adjustment mechanism's permanent magnetism speed adjusting device
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Effective date of registration: 20230804

Address after: 116400 Xinhua Street Industrial Park, Zhuanghe City, Dalian City, Liaoning Province

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Patentee before: Dalian Jiaotong University