CN202872560U - AFT torque wheel hub motor - Google Patents
AFT torque wheel hub motor Download PDFInfo
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- CN202872560U CN202872560U CN 201220536218 CN201220536218U CN202872560U CN 202872560 U CN202872560 U CN 202872560U CN 201220536218 CN201220536218 CN 201220536218 CN 201220536218 U CN201220536218 U CN 201220536218U CN 202872560 U CN202872560 U CN 202872560U
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Abstract
The utility model discloses an AFT torque wheel hub motor comprising a wheel hub motor housing (1), a motor shaft (9), a motor housing (18), an automatic clutch, a rotor magnetic steel (22), a stator coil (19), a stator iron core (23), an isolator seat (26), a low speed isolator (27), a low speed sun gear (32), and a high speed sun gear (6), wherein the high speed sun gear (6), the automatic clutch, and the low speed sun gear (32) are rotatably arranged in sequence on the motor shaft (9), the isolator seat (26) is fixed on the automatic clutch and is connected with the low speed sun gear (32) through the low speed isolator (27), an inner collar (10) is engaged with the high speed sun gear (6), and two sides of the motor housing (18) are correspondingly provided with a low speed transmission mechanism engaged with the low speed sun gear (32) and a high speed transmission mechanism engaged with the high speed sun gear (6). The structure is employed, and the AFT torque wheel hub motor has advantages of simple and reasonable structure, large transmission torque, good climbing capability and overload capability, high operation efficiency, output torque can be automatically changed, and the like.
Description
Technical field
The invention relates to a kind of wheel hub motor, particularly a kind of AFT bending moment wheel hub motor that can automatically change according to velocity variations output torque.
Background technology
Electric motor car because energy-conserving and environment-protective, simple to operate, easy to use, operating cost is low, deeply is subjected to liking of consumers in general, has also obtained simultaneously the great attention of governments at all levels, electric motor car enters fast-developing passage, the situation that supply falls short of demand has appearred in wheel hub motor.
The wheel hub motor that uses in the at present electric motor car comprises direct current machine, wheel hub, the left and right wheels hub cap, left and right sides semiaxis, deceleration device, direct current machine and deceleration device are arranged in the wheel hub, left and right wheels hub cap correspondence is fixed on the both sides of wheel hub, described deceleration device comprises the central gear that is fixed on the dc motor shaft, the planetary gear that star distributes, be arranged on the gear ring on the right wheel hub cover, planetary gear is arranged on the fixed axis rotationally, fixed axis is fixed between the motor cover and right axle shaft of direct current machine, planetary gear is inboard to be meshed with central gear, its outside and gear ring engagement, right axle shaft is arranged on the right wheel hub cover rotationally, and left half axle is arranged on rotationally that left wheel hub covers and is fixedly connected with the motor casing of direct current machine.During work, machine shaft drives planetary gear by central gear, and planetary gear drives the gear ring rotation again, and gear ring drives wheel hub and rotates, thereby realizes the purpose that electric motor car is ridden.This mode configuration is simple, control is convenient, but in actual use, its requirement is different to different road conditions in electric motor car; When normally travelling, require that the wheel hub motor rotating speed is fast, output torque is little; When startup, climbing or heavy load, require that the wheel hub motor rotating speed is slow, output torque is large; The weak point of its existence is: the one, because motor designs by normal running (operation) conditions, under the constant condition of power of motor, can't change output torque, therefore, when startup, climbing and heavy load motor being under the abnormal condition turns round, force motor in the work of poor efficiency district, cause motor rotation blockage, heating, even stop operating, cause the vitals such as motor, storage battery, controller to be impacted, shorten the life-span; The 2nd, climbing capacity and overload capacity are poor, accommodation is little, operational efficiency is low, mileages of continuation is short.For this reason, many manufacturers and knowledgeable people have carried out the R and D of fruitful ground, but not yet have so far rational product to emerge.
Summary of the invention
The above-mentioned disadvantage that exists in order to overcome existing wheel hub motor, the purpose of the invention provides that a kind of simple and reasonable, driving torque is large, climbing capacity and overload capacity is good, operational efficiency is high, can automatically change according to speed the AFT bending moment wheel hub motor of output torque, wherein A represents automatic transmission, F represents working method and structure, and T represents transmission device.
The invention solves the problems of the technologies described above the technical scheme that adopts, it comprises the wheel hub motor housing, motor shaft, electric machine casing, automatic clutch, rotor magnetic steel, stator coil, stator core, the isolator seat, the low speed isolator, the low speed central gear, the high-speed central gear, the wheel hub motor housing is arranged on the motor shaft rotationally, electric machine casing is fixedly connected with motor shaft, described high-speed central gear, automatic clutch and low speed central gear are installed in rotation on the motor shaft successively, rotor magnetic steel is distributed on the circumference housing of automatic clutch, stator core is fixed on the electric machine casing corresponding with rotor magnetic steel, stator coil is embedded on the stator core, the isolator seat is fixed on the automatic clutch and by the low speed isolator and is connected with the low speed central gear, the inner sleeve of automatic clutch and the engagement of high-speed central gear, the both sides correspondence of electric machine casing is provided with low speed rotation mechanism and high speed drive, the low speed central gear drives low speed rotation mechanism and rotates, and high-speed central gear driven high speed drive is rotated.
Described automatic clutch comprises clutch housing, driving disc spacing pressing, the centrifugal piece that flies, outside friction disc, inner attrition piece, bowl type bullet pad, cover plate, outer sleeve, inner sleeve, be arranged on rotationally on the motor shaft after clutch housing and driving disc spacing pressing are fixing, inner sleeve is arranged on the driving disc spacing pressing rotationally, outer sleeve is set on the inner sleeve rotationally, be provided with the waveform bullet pad that the top is pressed in the outer sleeve end face in the outer end of inner sleeve, some outside friction discs are slidably disposed on the chute of clutch housing, be provided with back-moving spring between the adjacent outside friction disc, the centrifugal piece that flies is hinged on the driving disc spacing pressing and with the outside friction disc of inboard and cooperates, some inner attrition pieces are slidably disposed on the chute of outer sleeve, inner attrition piece and outside friction disc are arranged in a crossed manner, are provided with a bowl type bullet pad between the outside friction disc in the outside and cover plate.
Described inner sleeve is provided with helicon tooth piece, and outer sleeve is provided with the spiral alveolar that matches with helicon tooth piece.
Described low speed rotation mechanism comprises low-speed carrier, low-speed planets, low speed ring gear, low-speed carrier is fixedly connected with motor shaft, low-speed carrier is fixedly connected with electric machine casing by the low-speed gear axle, low-speed planets is arranged on the low-speed gear axle rotationally, low speed ring gear is fixed in the wheel hub motor housing, low-speed planets is inboard to be meshed with the low speed central gear, the outside and low speed ring gear engagement.
Described high speed drive comprises high-speed carrier, high-speed planetary gear, high speed gear ring, high speed isolator, high-speed carrier is arranged on rotationally on the motor shaft and by the high speed isolator and is connected with the wheel hub motor housing, high-speed planetary gear is arranged on the high-speed carrier by high speed gear shaft rotationally, the high speed gear ring is fixed on the electric machine casing, high-speed planetary gear is inboard to be meshed with the high-speed central gear, the outside and the engagement of high speed gear ring.
Described outer sleeve is provided with oil-way.
Described wheel hub motor housing two ends correspondence is provided with the sealing ring that is sealed and matched with motor shaft.
The invention has the following advantages and effect compared with the prior art after adopting said structure:
The one, automatic clutch and motor combination are integral, automatic clutch is as the rotor of motor, rotor magnetic steel is distributed on the circumference housing of automatic clutch, automatic clutch is with regard to automatic operation after the machine operation, automatically control the automatic clutch clutch according to the variation of speed in the process of moving, realize low speed and automatic conversion at a high speed, export different speed and moment of torsion, make the electric motor car can both steady operation in different road conditions, Effective Raise climbing capacity, overload capacity and mileages of continuation.
The 2nd, high low speed transmission mechanism adopts central gear to drive planetary gear, and planetary gear drives wheel hub by gear ring and rotates, and is simple and compact for structure, volume is little, and driving torque is large.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the structural representation of the invention automatic clutch.
Fig. 3 is the structural representation of the invention outer sleeve.
Fig. 4 is the A-A generalized section of Fig. 3.
Fig. 5 is the structural representation of the invention inner sleeve.
Fig. 6 is that the P of Fig. 5 is to partial schematic diagram.
1 wheel hub motor housing wherein, 2 high speed gear rings, 3 high-speed planetary gears, 4 high speed gear shafts, 5 high-speed carrier, 6 high-speed central gears, 7 high speed isolators, 8 sealing rings, 9 motor shafts, 10 inner sleeves, 11 waveform bullet pads, 12 outer sleeves, 13 cover plates, 14 bowls of type bullet pads, 15 inner attrition pieces, 16 outside friction discs, 17 back-moving springs, 18 electric machine casings, 19 stator coils, 20 clutch housings, 21 magnetic isolation covers, 22 rotor magnetic steels, 23 stator cores, the 24 centrifugal pieces that fly, 25 driving disc spacing pressings, 26 isolator seats, 27 low speed isolators, 28 low speed ring gears, 29 low-speed planets, 30 low-speed gear axles, 31 low-speed carrier, 32 low speed central gears, 33 spiral alveolars, 34 oil-ways, 35 helicon tooth pieces.
Embodiment
Fig. 1 is to shown in Figure 6, specific embodiments for the invention AFT bending moment wheel hub motor, it comprises wheel hub motor housing 1, motor shaft 9, electric machine casing 18, automatic clutch, rotor magnetic steel 22, stator coil 19, stator core 23, isolator seat 26, low speed isolator 27, low speed central gear 32, high-speed central gear 6, wheel hub motor housing 1 is arranged on the motor shaft 9 rotationally by bearing, electric machine casing 18 is fixedly connected with motor shaft 9 by low-speed gear axle 30 and low-speed carrier 31, described high-speed central gear 6 is installed in rotation on the motor shaft 9, automatic clutch and low speed central gear 32 are installed in rotation on the motor shaft 9 successively by bearing, rotor magnetic steel 22 is distributed on the circumference housing of automatic clutch by magnetic isolation cover 21, stator core 23 is fixed on the electric machine casing 18 corresponding with rotor magnetic steel 22, stator coil 19 is embedded on the stator core 23, isolator seat 26 is fixed on the automatic clutch and by low speed isolator 27 and is connected with low speed central gear 32, the inner sleeve 10 of automatic clutch and 6 engagements of high-speed central gear, the both sides correspondence of electric machine casing 18 is provided with low speed rotation mechanism and high speed drive, low speed central gear 32 drives low speed rotation mechanism and rotates, and high-speed central gear 6 drives high speed drive and rotates.Described wheel hub motor housing 1 two ends correspondence is provided with the sealing ring 8 that is sealed and matched with motor shaft 9.
Described automatic clutch comprises clutch housing 20, driving disc spacing pressing 25, the centrifugal piece 24 that flies, outside friction disc 16, inner attrition piece 15, bowl type bullet pad 14, cover plate 13, outer sleeve 12, inner sleeve 10, clutch housing 20 is arranged on the motor shaft 9 rotationally by bearing after fixing with driving disc spacing pressing 25, inner sleeve 10 is arranged on the driving disc spacing pressing 25 rotationally, outer sleeve 12 is set on the inner sleeve 10 rotationally, be provided with the waveform bullet pad 11 that the top is pressed in outer sleeve 12 end faces in the outer end of inner sleeve 10, described inner sleeve 10 is provided with helicon tooth piece 35, and outer sleeve 12 is provided with the spiral alveolar 33 that matches with helicon tooth piece 35.Described outer sleeve 12 is provided with oil-way 34.Some outside friction discs 16 are slidably disposed on the chute of clutch housing 20, be provided with back-moving spring 17 between the adjacent outside friction disc 16, the centrifugal piece 24 that flies is hinged on the driving disc spacing pressing 25 and with the outside friction disc 16 of inboard and cooperates, some inner attrition pieces 15 are slidably disposed on the chute of outer sleeve 12, inner attrition piece 15 is arranged in a crossed manner with outside friction disc 16, is provided with a bowl type bullet pad 14 between the outside friction disc 16 in the outside and cover plate 13.
Described low speed rotation mechanism comprises low-speed carrier 31, low-speed planets 29, low speed ring gear 28, low-speed carrier 31 is fixedly connected with motor shaft 9, low-speed gear axle 30 is fixedly connected between low-speed carrier 31 and the electric machine casing 18, low-speed planets 29 is arranged on the low-speed gear axle 30 rotationally by bearing, low speed ring gear 28 is fixed in the wheel hub motor housing 1, low-speed planets 29 inboard and low speed central gear 32 engagements, the outside and low speed ring gear 28 engagements.
Described high speed drive comprises high-speed carrier 5, high-speed planetary gear 3, high speed gear ring 2, high speed isolator 7, high-speed carrier 5 is arranged on rotationally on the motor shaft 9 and by high speed isolator 7 by bearing and is connected with wheel hub motor housing 1, high-speed planetary gear 3 is arranged on the high-speed carrier 5 rotationally by bearing and high speed gear shaft 4, high speed gear ring 2 is fixed on the electric machine casing 1, high-speed planetary gear 3 inboard and high-speed central gear 6 engagements, the outside and 2 engagements of high speed gear ring.
The below is further described the work of the invention AFT bending moment wheel hub motor, wherein A represents automatic transmission, F represents working method and structure, T represents transmission device, starting, when climbing or heavy load low cruise, the centrifugal of automatic clutch flies piece 24 because rotating speed is low, the strength that promotes outside friction disc 16 is little, fail to reach interior outside friction disc 15,16 combinations, the inside and outside collar 10,12 and high-speed central gear 6 do not rotate, low speed isolator 27 effects lower the drive low speed central gear 32 of clutch housing 20 through being fixed on the isolator seat 26 turns round, low speed central gear 32 drives low speed ring gear 28 rotations by low-speed planets 29, low speed ring gear 28 drives wheel hub electric machine casing 1 rotary work, thereby wheel hub motor is realized the slow-speed of revolution, high pulling torque output services pattern, at this moment, high speed drive is separated with wheel hub motor housing 1 under 7 effects of high speed isolator, and high speed drive is not followed rotation.
When speed surpasses the set point of controller, controller sends the wheel hub motor instruction that shuts down, wheel hub motor is shut down immediately, controller sends rapidly the antiport instruction again, make the reverse High Rotation Speed of wheel hub motor, the centrifugal of automatic clutch flies piece 24 because rotating speed is high, thrust is large, thereby promote outside friction disc 16 and inner attrition piece 15 combinations, until bowl type bullet pad 14 distortion, the top is flat, compress, make inside and outside wearing piece 15,16 combine closely, inner attrition piece 15 drives outer sleeve 12 rotations, in order to guarantee interior outside friction disc 15,16 is non-slip, inner sleeve 10 is provided with rotation gradient β and is preferably 25-30 ° helicon tooth piece 35, be provided with the spiral alveolar 33 that matches with helicon tooth piece 35 in the outer sleeve 12, when outer sleeve 12 drives inner sleeve 10 rotation, be preferably at β under 25-30 ° helicon tooth piece 35 and corresponding spiral alveolar 33 effects, outer sleeve 12 inwardly promotes and is by the jump ring on the outer sleeve 12 that waveform bullet pad 11 tops are flat, make cover plate 13 and interior outside friction disc 15,16 press tightlyer, driving high-speed central gear 6 by inner sleeve 10 at last rotates, high-speed central gear 6 drives high-speed planetary gear 3 rotations, because high speed gear ring 2 is fixed on the electric machine casing 18 motionless, high-speed planetary gear 3 drives high-speed carrier 5 rotations by high speed gear shaft 4, high-speed carrier 5 drives wheel hub electric machine casing 1 rotary work under the effect of high speed isolator 7, thereby wheel hub motor is realized high rotating speed, little moment of torsion output services pattern, at this moment, low speed rotation mechanism and low speed central gear 32 be along with wheel hub motor housing 1 rotates, and low speed central gear 32 surmounts with isolator seat 26 under 27 effects of low speed isolator and separates.
When load increases the weight of or climbs, speed descends thereupon, when wheel hub motor speed drops to the set point of controller, controller sends the wheel hub motor instruction that shuts down, wheel hub motor shuts down immediately, controller sends rapidly the low-speed running instruction again, and wheel hub motor is got back to again the slow-speed of revolution, high pulling torque output services pattern.
Claims (7)
1. AFT bending moment wheel hub motor, comprise wheel hub motor housing (1), motor shaft (9), electric machine casing (18), automatic clutch, rotor magnetic steel (22), stator coil (19), stator core (23), isolator seat (26), low speed isolator (27), low speed central gear (32), high-speed central gear (6), wheel hub motor housing (1) is arranged on the motor shaft (9) rotationally, electric machine casing (18) is fixedly connected with motor shaft (9), it is characterized in that: described high-speed central gear (6), automatic clutch and low speed central gear (32) are installed in rotation on the motor shaft (9) successively, rotor magnetic steel (22) is distributed on the circumference housing of automatic clutch, stator core (23) is fixed on the electric machine casing (18) corresponding with rotor magnetic steel (22), stator coil (19) is embedded on the stator core (23), isolator seat (26) is fixed on the automatic clutch and by low speed isolator (27) and is connected with low speed central gear (32), the inner sleeve of automatic clutch (10) and high-speed central gear (6) engagement, the both sides correspondence of electric machine casing (18) is provided with low speed rotation mechanism and high speed drive, low speed central gear (32) drives low speed rotation mechanism and rotates, and high-speed central gear (6) drives high speed drive and rotates.
2. AFT bending moment wheel hub motor according to claim 1, it is characterized in that: described automatic clutch comprises clutch housing (20), driving disc spacing pressing (25), the centrifugal piece (24) that flies, outside friction disc (16), inner attrition piece (15), bowl type bullet pad (14), cover plate (13), outer sleeve (12), inner sleeve (10), be arranged on rotationally on the motor shaft (9) after clutch housing (20) is fixing with driving disc spacing pressing (25), inner sleeve (10) is arranged on the driving disc spacing pressing (25) rotationally, outer sleeve (12) is set on the inner sleeve (10) rotationally, be provided with the waveform bullet pad (11) that the top is pressed in outer sleeve (12) end face in the outer end of inner sleeve (10), some outside friction discs (16) are slidably disposed on the chute of clutch housing (20), be provided with back-moving spring (17) between the adjacent outside friction disc (16), centrifugally fly piece (24) to be hinged on driving disc spacing pressing (25) upper and cooperate with the outside friction disc (16) of inboard, some inner attrition pieces (15) are slidably disposed on the chute of outer sleeve (12), inner attrition piece (15) and outside friction disc (16) are arranged in a crossed manner, are provided with a bowl type bullet pad (14) between the outside friction disc (16) in the outside and cover plate (13).
3. AFT bending moment wheel hub motor according to claim 2, it is characterized in that: described inner sleeve (10) is provided with helicon tooth piece (35), and outer sleeve (12) is provided with the spiral alveolar (33) that matches with helicon tooth piece (35).
4. according to claim 1 and 2 or 3 described AFT bending moment wheel hub motors, it is characterized in that: described low speed rotation mechanism comprises low-speed carrier (31), low-speed planets (29), low speed ring gear (28), low-speed carrier (31) is fixedly connected with motor shaft (9), low-speed carrier (31) is fixedly connected with electric machine casing (18) by low-speed gear axle (30), low-speed planets (29) is arranged on the low-speed gear axle (30) rotationally, low speed ring gear (28) is fixed in the wheel hub motor housing (1), low-speed planets (29) is inboard to mesh the outside and low speed ring gear (28) engagement with low speed central gear (32).
5. AFT bending moment wheel hub motor according to claim 4, it is characterized in that: described high speed drive comprises high-speed carrier (5), high-speed planetary gear (3), high speed gear ring (2), high speed isolator (7), high-speed carrier (5) is arranged on rotationally motor shaft (9) and upward and by high speed isolator (7) is connected with wheel hub motor housing (1), high-speed planetary gear (3) is arranged on the high-speed carrier (5) rotationally by high speed gear shaft (4), high speed gear ring (2) is fixed on the electric machine casing (1), high-speed planetary gear (3) is inboard to be meshed with high-speed central gear (6), the outside and high speed gear ring (2) engagement.
6. AFT bending moment wheel hub motor according to claim 5, it is characterized in that: described outer sleeve (12) is provided with oil-way (34).
7. AFT bending moment wheel hub motor according to claim 6, it is characterized in that: described wheel hub motor housing (1) two ends correspondence is provided with the sealing ring (8) that is sealed and matched with motor shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536218 CN202872560U (en) | 2012-10-19 | 2012-10-19 | AFT torque wheel hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536218 CN202872560U (en) | 2012-10-19 | 2012-10-19 | AFT torque wheel hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202872560U true CN202872560U (en) | 2013-04-10 |
Family
ID=48039247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536218 Expired - Fee Related CN202872560U (en) | 2012-10-19 | 2012-10-19 | AFT torque wheel hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202872560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931762A (en) * | 2012-10-19 | 2013-02-13 | 马加良 | AFT variable-torque hub motor |
| CN113489227A (en) * | 2021-06-30 | 2021-10-08 | 东阳市联宜机电有限公司 | Transmission mechanism and anti-blocking motor |
-
2012
- 2012-10-19 CN CN 201220536218 patent/CN202872560U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931762A (en) * | 2012-10-19 | 2013-02-13 | 马加良 | AFT variable-torque hub motor |
| CN113489227A (en) * | 2021-06-30 | 2021-10-08 | 东阳市联宜机电有限公司 | Transmission mechanism and anti-blocking motor |
| CN113489227B (en) * | 2021-06-30 | 2023-01-17 | 浙江联宜电机有限公司 | Transmission mechanism and anti-blocking motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |