CN103730980A - Speed reduction and direct drive all-in-one motor based on vehicle hub - Google Patents
Speed reduction and direct drive all-in-one motor based on vehicle hub Download PDFInfo
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- CN103730980A CN103730980A CN201310626951.5A CN201310626951A CN103730980A CN 103730980 A CN103730980 A CN 103730980A CN 201310626951 A CN201310626951 A CN 201310626951A CN 103730980 A CN103730980 A CN 103730980A
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Abstract
A speed reduction and direct drive all-in-one motor based on a vehicle hub comprises a motor base, a motor base front cavity and a motor base rear cavity, wherein a middle partition body is arranged on the motor base, a transmission main shaft is assembled at the center of the motor base partition body, the portion, in the motor base rear cavity of the motor base, of the main shaft is provided with a rotor, magnetic steel, a baffle, a Hall element, a stator and a rear end cover, a planet device is arranged on the portion, in the motor base front cavity, of the main shaft, the output end of the planet device is provided with a transmission flange plate, and a sealing cover and a front end cover are arranged in the radial direction of the flange plate. The speed reduction and direct drive all-in-one motor overcomes the defects that according to hub driving systems of vehicles for transportation, projects and execution of special tasks, due to the fact that the multi-machine connection mode is adopted for independently-installed drive motors and speed reducers of the vehicles, the structure is complex, the installation space is small, the power losses are large, the transmission efficiency is low, the running environmental suitability is poor and the failure rate is high. The speed reduction and direct drive all-in-one motor is suitable for existing hub driving systems of transportation vehicles, project vehicles and mine vehicles, and is particularly suitable for hub driving systems of existing vehicles for executing special tasks.
Description
Technical field
The present invention relates to the straight driving integrated motor of a kind of deceleration based on vehicle hub.
Background technology
Existing haulage vehicle, engineering vehicle, there is the wheel hub drive system of carrying out the uses such as special duty vehicle and mainly comprise drive motors, decelerator etc., while having larger torque while particularly requiring vehicle operating, the transmission connecting structure of decelerator and drive motors just becomes the key character of wheel hub drive system; When above-mentioned vehicle requires to obtain the operation of high pulling torque operating mode, its connected mode must be to be realized by the reduction of speed gearratio of decelerator by drive motors; And the manufacturer of drive motors and decelerator, all by traditional mode of production mode, provide its single product, there is no the consideration that improves transmission connecting structure aspect, therefore the defect that supports the use middle existence of such drive motors and decelerator and vehicle hub has: 1. complex structure, larger with the space of its connection, affected the topology layout of carrying out special duty vehicle and special space; 2. the decelerator of bulky complex not only takes up space but also consume more power; 3. multi-stage mechanical connects, and power output loss is larger; 4. multi-stage mechanical transmission, transmission efficiency is lower, and operating condition is complicated, and moment of torsion is little; 5. the runnability that adapts to adverse circumstances is poor; 6. safety in operation is low; 7. fault, frequency of maintenance are high; 8. limited the range of application of product.
Summary of the invention
For above-mentioned situation, the object of the present invention is to provide the straight driving integrated motor of a kind of deceleration based on vehicle hub, it neither changes existing vehicle hub drive system connecting installation structure, can realize high-torque operating condition again, and simple in structure, compact, delivery efficiency is high, can round-the-clock running in adverse circumstances such as fields, security of operation, range of application is large, is easy to penetration and promotion.
To achieve these goals, the straight driving integrated motor of a kind of deceleration based on vehicle hub, it comprises that one is provided with the support of middle interval body, front cavity is established in support spacer front portion, rear chamber is established at support spacer rear portion, support spacer center is equipped with transmission main shaft, on main shaft in support spacer rear chamber, rotor, magnet steel, baffle plate, Hall element, stator and rear end cap are set, on main shaft before support spacer in cavity, planet device is set, the output of this planet device arranges drive flange, and it radially arranges seal cover and front end housing.
For implementation structure, effect optimization, its further step is:
Described planet device is comprised of sun gear, planetary gear, planet carrier, ring gear.
The output of described planet carrier arranges connecting thread and locking nut.
The footpath that described sun gear is arranged at transmission main shaft front end makes progress.
Described front end housing is provided with oilhole and stifled plug cock.
Described spacer center arranges hollow and several support platform.
Described Hall element is made as 3, it respectively with 3 pairs of pole pairs should, and with rotor coaxial setting.
The laying of described Hall element is: from the N utmost point, arrange successively by 12 °～18 °, interval order.
Described support is provided with radiating ribs.
Described support is titanium alloy material manufacture.
The straight driving integrated motor of a kind of deceleration based on vehicle hub of the present invention, it comprises support and the forward and backward cavity of support that is provided with middle interval body, support spacer center is equipped with transmission main shaft, rotor, magnet steel, baffle plate, Hall element, stator and rear end cap are set on the main shaft in support rear chamber, on main shaft before support spacer in cavity, planet device is set, the output of this planet device arranges drive flange, and it radially arranges the technical scheme of seal cover and front end housing; It has solved the wheel hub drive system that existing transportation, engineering and execution special duty vehicle use, because its drive motors and decelerator are the multimachine connected mode of installing separately, thereby brought, structure is numerous and jumbled, installing space is little, power loss is large, transmission efficiency is low, running environment bad adaptability, the defects such as failure rate height.
The beneficial effect that the present invention produced compared to existing technology:
(I) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, and it has solved a topology layout difficult problem of carrying out special duty vehicle and special space;
(II) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of the output of motor-driven main shaft, and the sun gear that planet device is set on this output replaces decelerator, solved a difficult problem for one two machine structures and compact in design;
(III) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of the output of motor-driven main shaft, and the sun gear that planet device is set on this output replaces decelerator, solved a difficult problem for repeatedly multistage conduction and delivery efficiency loss, the direct output that sun gear is coaxial with transmission main shaft, rises to more than 90% the delivery efficiency of complete machine;
(IV) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of the input of motor-driven main shaft, and three pairs of magnetic poles corresponding with hall sensing commutation control element are set on this input, solved under one two machine structures still can high efficiency output a difficult problem;
(V) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of the input of motor-driven main shaft, and three pairs of hall sensings commutation control elements of answering with pole pair are set on this input, and coaxially arrange by 12 °～18 °, interval order, solve each phase winding of motor under one two machine structures operating mode problem of reliability service in certain sequence, obtained beyond thought technique effect;
(VI) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of interval body and the setting of hollow flange disc type spacer in support, greatly reduce the overall dimension of all-in-one, met the use under special space;
(VII) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to taking full advantage of interval body and the setting of hollow flange disc type spacer in support, be convenient to realize the oil sealing separation seal structure between the forward and backward cavity of support, reduced mechanical connection, reduced connection gap, the adaptability that has improved complete machine sealing property and severe running environment, has realized round-the-clock running mode of operation;
(VIII) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, overcome decelerator and motor singular association structure easily misplaces, cause out-of-alignment defect, improve anti-vibrating and impact, widened the wild environment of vehicle operating;
(IX) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, because rotor is taked clinching method manufacture, rotor punching is riveted into rotor block, compare the rotor that laminating method is manufactured, improved intensity, technological process is simple, has reduced cramp, strengthen inner space, be conducive to motor internal heat radiation;
(X) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, owing to adopting the design of high-precision motor stator and rotor and manufacturing, heat load can be controlled at lowest range, effectively reduces the caloric value of motor:
(XI) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, on support both sides, sets up several radiating ribs, has accelerated the conduction of all-in-one heat;
(XII) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, support adopts titanium alloy material manufacture and air natural Cooling Design, is conducive to reduce all-in-one volume and accelerates thermal conduction effect;
(X III) the present invention is used in the integral type transmission output motor scheme of equipped electrical machine element and planet device on the transmission main shaft of interval body in support, it had both retained the connecting installation structure of existing vehicle hub drive system, realized again high-torque operating condition, and simple in structure, compact, delivery efficiency is high, can round-the-clock running in adverse circumstances such as fields, security of operation, range of application is large, is easy to penetration and promotion.
The present invention is applicable to doing the wheel hub drive system of existing haulage vehicle, engineering vehicle, mine vehicle, is particularly suitable for doing the wheel hub drive system of existing execution special duty vehicle.
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the straight driving integrated motor front view of a kind of deceleration based on vehicle hub of the present invention.
Fig. 2 is cutaway view of the present invention in Fig. 1.
Fig. 3 is the cutaway view of ring flange of the present invention in Fig. 2.
Fig. 4 is the support cutaway view that in Fig. 2, the present invention is provided with middle interval body and forward and backward cavity.
Fig. 5 is the front view that shows the structural relation of transmission main shaft of the present invention and transmission main shaft shaft extension end sun gear in Fig. 2.
Fig. 6 is the axial left side view that shows output block of the present invention and mutual structure annexation in Fig. 2.
In figure: 1, support, 11, radiating ribs, 2, spacer, 21, support platform, 3, front cavity, 31, seal cover, 32, front end housing, 33, oilhole, 34, stifled plug cock, 4, rear chamber, 41, rotor, 42, magnet steel, 43, baffle plate, 44, Hall element, 45, stator, 46, rear end cap, 5, main shaft, 6, planet device, 61, sun gear, 62, planetary gear, 63, planet carrier, 631, connecting thread, 632, locking nut, 64, ring gear, 7, ring flange.
Embodiment
Shown in accompanying drawing, work of the present invention and principle.
The straight driving integrated motor of a kind of deceleration based on vehicle hub of the present invention, it comprises that one is provided with support 1 and the forward and backward cavity of support of middle interval body 2, support spacer 2 centers are equipped with transmission main shaft 5, rotor 41, magnet steel 42, baffle plate 43, Hall element 44, stator 45 and rear end cap 46 are set on the main shaft 5 in support rear chamber 4, on main shaft 5 before support in cavity 3, planet device 6 is set, the output of this planet device 6 arranges drive flange 7, and it radially arranges the wheel hub drive system of seal cover 31 and front end housing 32; The present invention be in fact by the content of the content of drive motors and decelerator through in interval body 2, transmission main shaft 5 be sub-packed in the conglomerate in cavity 3 and support rear chamber 4 before support, the secondary transmission that its collection motor-driven output and Gear Planet Transmission are exported again, become the continuous one-level integral type transmission output of transmission and deceleration transmission, realize the drive motors being directly connected with vehicle hub.First, choose the driving of the external decelerator of common non-brush permanent-magnet DC motor, slowing-down structure improves design, motor and decelerator are integrated, decelerator adopts planetary gear construction, the shaft extension end of motor is designed to gear, directly inserting planetary reduction gear replaces sun gear to drive planet carrier, by electric machine stand be modified into a unsplit frame inner chamber before, latter two separates inner chamber, the equipped planet device of inner chamber above, inner chamber is below equipped fixed, the electric motor element devices such as rotor, the bosom of support is designed to the flange spacer of hollow, reach the independent lubricating separately of separating planet device and electric motor element device, hermetically-sealed construction, simultaneously, middle interval body has been strengthened again the support to planet device structural strength, after adopting so careful technical measures, the exterior contour size of this structure is reduced greatly, greatly met the use under special space environmental condition, realized the target of little space mounting, save and connect, the space of decelerator is installed, brought new application prospect to the syndeton transformation of vehicle hub drive system or the popularization of the new layout of vehicle, obtained unexpected technique effect, two, integral structure of the present invention, support is selected titanium alloy material manufacture, made up the intensity effect causing because of the minimizing of support wall thickness layer, it had both reduced overall dimension, also alleviated the weight of all-in-one, deceleration, driving are united two into one, it has met the required high pulling torques of vehicle hub such as transportation, engineering, mine and execution special duty, three, motor-shaft extending end is directly as sun gear output transmission, it is that the carrier of transmission is exported again in input transmission that sun gear and transmission main shaft are become, reliability and the delivery efficiency of complete machine have greatly been improved, and the structure of common non-brush permanent-magnet DC motor band decelerator output is motor-shaft extending end and decelerator input spline joint, by input, driven again the output gear of decelerator, because this class formation exists, repeatedly connect and repeat transmission, reduced delivery efficiency, efficiency is less than 70% while finally exporting from decelerator, and directly replace sun gear by motor shaft, reduced the required power loss of mechanical connection and machine driving, transmission efficiency promotes greatly, thereby make the delivery efficiency of complete machine can reach more than 90%, four, in order to guarantee can also there be high efficiency output in compact structure layout lower hub drive system, the most technical measures with 1 pair or 2 pairs magnetic pole of non-brush permanent-magnet DC motor that existing employing Hall element is controlled, change 3 pairs of magnetic poles of the present invention and 3 corresponding hall element sensors into, reach coaxial with rotor and implement the normal motor commutation of controlling, and magnetic pole starts successively 12 °～18 °, interval with the N utmost point and arranges, control circuit carries out producing control signal after logical conversion to position signalling, the power switch pipe of control signal control inverter after drive circuit isolation is amplified, each phase winding of motor is worked in sequence, five, adopt support to add the integral type assembling of spacer, improved the sealing of complete machine, between planet device and motor-driven output, use oil sealing in spacer place separation seal, overall structure has reduced mechanical connection and has been connected gap, improved sealing, can make complete machine relatively under rugged environment, can implement normal operating condition, six, the sun gear in all-in-one machine structure and transmission main shaft are coaxial, overcome common non-brush permanent-magnet DC motor band decelerator export structure because of its mechanical connection too many, in the situation that vibrating and impact is had relatively high expectations, decelerator and motor easily misplace, cause out-of-alignment defect, improved coaxial performance and the anti-vibrating and impact performance of planet device of the present invention and motor-driven components and parts, widened the wild environment of vehicle operating, the scope of expansion vehicle, seven, strengthened the heat radiation of all-in-one machine structure: first, rotor is taked riveted joint, and rotor punching is riveted into rotor block, the rotor of comparing and laminating, has improved intensity, and technological process is simple, reduce cramp, strengthened inner space, be conducive to motor internal heat radiation, its two, utilize air natural cooling, be also conducive to reduce volume, during design of electrical motor, repeatedly calculate rotor parameter, coiling, stator grooved etc. are carried out to design screening, heat load is controlled to lowest range, limited the caloric value of motor, its three, 4 radiating ribs of support both sides designs, through the fast moving of support and the natural air of titanium alloy material, can take away rapidly the heat of all-in-one, radiating effect is remarkable.
By reference to the accompanying drawings, the straight driving integrated motor of a kind of deceleration based on vehicle hub, it comprises that one is provided with the support 1 of middle interval body 2, and in order to strengthen radiating effect, support 1 is selected titanium alloy material manufacture, and support 1 both sides arrange 4 radiating ribs 11, in order to make spacer 2 except the multiple effects such as its separation of performance, installation, support, can also improve transmission main shaft 5 in the installation accuracy of spacer 2, so spacer 2 centers arrange hollow and 4 support platforms 21, in order to make two machines be combined into a machine, in support spacer 2 front portions, establish front cavity 3, rear chamber 4 is established at support spacer 2 rear portions, support spacer 2 centers are equipped with transmission main shaft 5, on main shaft 5 in support spacer 2 rear chambers 4, riveted type rotor 41 bodies are set, magnet steel 42, baffle plate 43, and not only coaxial with rotor 41 but also with 3 pairs of pole pairs should and its laying be 3 Hall elements 44 of arranging by 12 °～18 °, interval order successively from the N utmost point, stator 45, rear end cap 46, on main shaft 5 before support spacer in cavity 3, arrange by sun gear 61, planetary gear 62, planet carrier 63, the planet device 6 that ring gear 64 forms, in order to solve the transmission efficiency of traditional wheel hub drive system and structure-integrated problem, the footpath that sun gear 61 is arranged at transmission main shaft 5 front ends makes progress, it is that the carrier of transmission is exported again in input transmission that sun gear 61 and transmission main shaft 5 are become, the output of planet carrier 63, configured especially for connecting connecting thread 631 and the locking nut 632 of the ring flange 7 of exporting transmission, before support, the end face of cavity 3 arranges front end housing 32, at front end housing 32 and ring flange 7 seal cover 31 is radially set, seal cover 31 is provided with oilhole 33 and stifled plug cock 34.
With reference to accompanying drawing, the output connected mode of a kind of straight driving integrated motor of deceleration based on vehicle hub of the present invention has: by the orchid dish 7 of output transmission and standby flange bolt, be directly connected with vehicle hub; Or be connected with vehicle hub through connector by the connecting thread 631 of planet carrier 63 outputs and supporting locking nut 632 places; The selection of connected mode should be depending on concrete mounting condition.
Comprehensive accompanying drawing, the straight driving integrated motor of a kind of deceleration based on vehicle hub of the present invention, its transmission output operating mode is: electric motor starting, transmission main shaft 5 and the sun gear 61 thereof of motor are rotated, drive planetary gear 62 rotations with ring gear 64 engagements, thereby drive the rotation of planet carrier 63 outputs and the rotation of output connector, and then the deceleration that realizes vehicle hub directly drives.
Claims (10)
1. the straight driving integrated motor of the deceleration based on vehicle hub, it is characterized in that it comprises that one is provided with the support (1) of middle interval body (2), front cavity (3) is established in support (1) spacer (2) front portion, rear chamber (4) is established at support (1) spacer (2) rear portion, support (1) spacer (2) center is equipped with transmission main shaft (5), on main shaft (5) in support (1) spacer (2) rear chamber (4), rotor (41) is set, magnet steel (42), baffle plate (43), Hall element (44), stator (45) and rear end cap (46), on main shaft (5) in the front cavity of support (1) spacer (2) (3), planet device (6) is set, the output of this planet device (6) arranges drive flange (7), it radially arranges seal cover (31) and front end housing (32).
2. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described planet device (6) is comprised of sun gear (61), planetary gear (62), planet carrier (63), ring gear (64).
3. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 2, is characterized in that the output of described planet carrier (63) arranges connecting thread (631) and locking nut (632).
4. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 2, is characterized in that footpath that described sun gear (61) is arranged at transmission main shaft (5) front end upwards.
5. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described front end housing (32) is provided with oilhole (33) and stifled plug cock (34).
6. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described spacer (2) center arranges hollow and several support platform (21).
7. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described Hall element (44) is made as 3, and it is answered with 3 pairs of pole pairs respectively, and coaxially arranges with rotor (41).
8. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that the laying of described Hall element (44) is: from the N utmost point, arrange successively by 12 °～18 °, interval order.
9. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described support (1) is provided with radiating ribs (11).
10. the straight driving integrated motor of a kind of deceleration based on vehicle hub according to claim 1, is characterized in that described support (1) is for titanium alloy material manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626951.5A CN103730980A (en) | 2013-12-01 | 2013-12-01 | Speed reduction and direct drive all-in-one motor based on vehicle hub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626951.5A CN103730980A (en) | 2013-12-01 | 2013-12-01 | Speed reduction and direct drive all-in-one motor based on vehicle hub |
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| CN103730980A true CN103730980A (en) | 2014-04-16 |
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| CN201310626951.5A Pending CN103730980A (en) | 2013-12-01 | 2013-12-01 | Speed reduction and direct drive all-in-one motor based on vehicle hub |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104015606A (en) * | 2014-06-20 | 2014-09-03 | 精进电动科技（北京）有限公司 | Rim drive axle |
| CN106015464A (en) * | 2016-07-05 | 2016-10-12 | 绍兴金道齿轮箱有限公司 | Gearbox and cover body structure thereof |
| CN106402286A (en) * | 2016-11-25 | 2017-02-15 | 长沙汽电汽车零部件有限公司 | Planetary reduction output structure of driving motor and driving motor employing planetary reduction output structure |
| CN106882034A (en) * | 2017-03-17 | 2017-06-23 | 西南交通大学 | A kind of supporting construction of power wheel |
| CN110154735A (en) * | 2018-05-15 | 2019-08-23 | 北京理工大学 | A kind of Electric Motor Wheel and vehicle |
| CN110203057A (en) * | 2019-04-22 | 2019-09-06 | 北京动力源新能源科技有限责任公司 | A kind of motor drive assembly and a kind of vehicle |
| CN114206652A (en) * | 2019-07-12 | 2022-03-18 | Bpw矿用轴公司 | Electric drive unit for a motor vehicle |
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| CN114206652A (en) * | 2019-07-12 | 2022-03-18 | Bpw矿用轴公司 | Electric drive unit for a motor vehicle |
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Application publication date: 20140416 |
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