CN204190553U - The wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking - Google Patents
The wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking Download PDFInfo
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- CN204190553U CN204190553U CN201420402729.7U CN201420402729U CN204190553U CN 204190553 U CN204190553 U CN 204190553U CN 201420402729 U CN201420402729 U CN 201420402729U CN 204190553 U CN204190553 U CN 204190553U
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- overrun clutch
- directional overrun
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- speed reducing
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Abstract
The utility model relates to the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise main shaft, shell, stator, rotor, it is characterized in that: described rotor radial inside is provided with differential planet gear reducing gear and exports selection mechanism, described differential planet gear reducing gear is integrally formed with rotor by planet carrier, described output selection mechanism comprises two mono-directional overrun clutch, the inner ring of described mono-directional overrun clutch and the output of differential planet gear reducing gear are overlapped affixed, the outer ring of mono-directional overrun clutch is affixed with wheel hub shell, two described mono-directional overrun clutch transmission of power directions are identical.Beneficial effect: make wheel hub motor can export the power of two kinds of different rotating speeds by a driving mechanism and two output mechanisms, solves the problem of electric bicycle starting ability and climbing capacity difference.Reduce the impact to battery simultaneously, keep battery performance to increase the service life.
Description
Technical field
The utility model belongs to wheel hub motor, particularly relates to the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking.
Background technology
At present, China's electric bicycle recoverable amount more than 200,000,000, and has cumulative year after year trend.Existing electric bicycle hub motor is broadly divided into two large classes, and one is direct drive mode, and two is deceleration modes, and no matter its common ground of which kind of mode is fixing speed reducing ratio.Motor initial designs just only has an optimum efficiency rotating speed.If by being that optimum efficiency designs when running at high speed, low-speed performance is very poor, the climbing capacity that namely starts to walk is poor; If by being that optimum efficiency designs during starting climbing, poor performance of running at high speed, namely takes electricity.High speed characteristics and low-speed characteristic can only be accepted or rejected, and during design of electrical motor or in the main raising considering the flying power of electric bicycle, when therefore being run at high speed by design of electrical motor one-tenth, efficiency preferred plan designs, and is generally 20 ~ 25km/h.The disadvantage of existing electric bicycle is that starting and climbing capacity are very poor, must assist just passable by pedal when starting and climbing.If start to walk near motor or climb, because load is large, make motor generation resistance turn phenomenon, easy motor damage, and heavy-current discharge is to the injury of impacting property of storage battery, shortens service lifetime of accumulator.Above-mentioned shortcoming is the maximum unresolved problem of current electric bicycle industry.Number of patent application: 201010140900.8 disclose a kind of wheel hub of electric bicycle, comprise the main shaft be fixed on vehicle frame, described main shaft is provided with wheel hub shell by wheel hub shell bearing, in wheel hub shell, motor is installed, planet gear reducing mechanism and clutch, described motor adopts internal stator outer-rotor structure, rotor is fixed with the central gear be enclosed within main shaft, central gear is engaged with planetary gear, planetary gear be fixed on the wheel hub ring gear of taking turns on hub shell and engage, planetary gear is arranged in planet axis by planetary bearing, planet axis is fixing on the clutch, it is characterized in that: described clutch and vehicle frame fix.The present invention utilizes vehicle frame to bear moment of torsion during clutch work, so just greatly reduce the torsion that main shaft bears, thus under the prerequisite ensureing main axe intensity main shaft can be run business into particular one and reduce the number of teeth of central gear, reach the speed reducing ratio increasing central gear and wheel hub ring gear, further raising wheel hub output torque, reduces the object of wheel hub volume.Number of patent application: 200780002816.6 disclose a kind of wheel hub of electric bicycle, there is fixing wheel shaft, described wheel shaft rotary support wheel hub housing, in described hub shell, rotor is set, described rotor can rotate around wheel shaft and comprise first component, described first component parallel with described wheel shaft and carry to enclose with one that stator winding cooperates one enclose permanent magnet; And second component, described second component is connected to described first component by rotary support by means of transition member by described wheel shaft, described wheel hub also has wheel transmission, it is driven by this second rotor part and reduces its rotating speed, the efferent of described wheel transmission drives described hub shell, and this wheel transmission is contained in the space between described stator winding and described wheel shaft.Preferably, described the first rotor parts are rotatably supported on a wheel hub wall corresponding thereto, and seal be arranged on cylindrical winding bearer with between its relative parts.Comprehensively above-mentioned two prior aries represent the common technique that current electric bicycle adopts.That is, there is the deceleration wheel hub motor of single fixing speed reducing ratio, just change slowspeed machine into high-speed electric expreess locomotive, and unresolved electric bicycle motor under normal traveling and starting climbing two kinds of operating modes all can be operated in the technical barrier on optimum efficiency rotating speed.
Utility model content
The utility model is in order to overcome deficiency of the prior art, the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking is provided, change the defect that wheel hub motor in prior art only has a kind of speed reducing ratio, by forward and reverse rotation of rotor, realization can select a kind of use in two kinds of speed reducing ratio export, and solves the problem that electric bicycle flying power and starting, both climbing capacities can not get both.
The utility model to achieve these goals, be achieved through the following technical solutions, the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise main shaft, described main shaft is supported with wheel hub shell by wheel hub shell bearing, stators and rotators, it is characterized in that: described stator is fixed on stator fixed mount, described stator fixed mount and main shaft keyed jointing, rotor is provided with in described stator, described rotor radial inside is provided with differential planet gear reducing gear and exports selection mechanism, described differential planet gear reducing gear is integrally formed with rotor by planet carrier, described output selection mechanism comprises two mono-directional overrun clutch, the inner ring of described mono-directional overrun clutch and the output of differential planet gear reducing gear are overlapped affixed, the outer ring of mono-directional overrun clutch is affixed with wheel hub shell, two described mono-directional overrun clutch transmission of power directions are identical, the combination of described differential planet gear reducing gear and output selection mechanism is formed jointly can select different speed reducing ratio rotary motion to export.
Described differential planet gear reducing gear comprises rotor and several magnet, planet carrier, first sun gear, three the first row star-wheels, second sun gear, three the second planetary gears, 3rd sun gear, three the third line star-wheels, second sun gear exports cover, 3rd sun gear exports cover, described rotor passes through rotor supports bearings on left side wheels hub shell, described magnet is fixed on rotor outer circle week, described rotor and affixed with it two planet carriers are connected with three planetary gear back shafts, three described planetary gear back shafts are respectively installed with planetary gear spring bearing, the first row star-wheel, second planetary gear, the third line star-wheel is connected spline housing with planetary gear, and described the first row star-wheel and the third line star-wheel are supported on planetary gear back shaft respectively by planetary gear spring bearing, the first row star-wheel, second planetary gear is connected spline housing keyed jointing with the third line star-wheel by planetary gear and is integrally formed, described planetary gear connects spline housing and planetary gear back shaft is matched in clearance, described first sun gear and main shaft keyed jointing, and engage with the first row star-wheel and form first planet and take turns power input module, described second sun gear and the second sun gear export and overlap one end keyed jointing, and engage formation second planetary gear Power output assembly with the second planetary gear, described 3rd sun gear and the 3rd sun gear export and overlap one end keyed jointing, and engage with the third line star-wheel and form third planet and take turns power output precision, described output selection mechanism comprises big retarding specific output mono-directional overrun clutch and little speed reducing ratio exports mono-directional overrun clutch, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, described little speed reducing ratio export mono-directional overrun clutch inner ring and the 3rd sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, second sun gear exports cover and to be sleeved on main shaft and to be matched in clearance with main shaft, 3rd sun gear export cover be sleeved on second sun gear export put and with the second sun gear exports overlap be matched in clearance, described rotor, planet carrier and first planet wheel power input module form power input part, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than heterodromous Power output portion, described third planet wheel power output precision and little speed reducing ratio export the Power output portion that mono-directional overrun clutch forms little speed reducing ratio positive movement.
Described big retarding specific output mono-directional overrun clutch and little speed reducing ratio export mono-directional overrun clutch in co-axial shafts to being arranged side by side.
Described rotor passes through rotor supports bearings on left side wheels hub shell, three described planetary gear back shafts are respectively installed with planetary gear spring bearing, the first row star-wheel, the second planetary gear be connected spline housing with planetary gear, described the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, the second planetary gear connect spline housing keyed jointing by planetary gear and are integrally formed, and described first sun gear inner ring and main shaft keyed jointing, external tooth engage with the first row star-wheel and form first planet and take turns power input module; Described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth and engage formation second planetary gear Power output assembly with the second planetary gear; Described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, outer ring and left side wheels hub shell affixed; Described planet carrier protuberance and described little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed; Described rotor, planet carrier and first planet wheel power input module forms not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, the mono-directional overrun clutch that little speed reducing ratio forward exports and big retarding than the mono-directional overrun clutch oppositely exported in co-axial shafts to being arranged side by side.
Rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, it is affixed that described planet carrier and little speed reducing ratio export mono-directional overrun clutch outer ring, little speed reducing ratio export mono-directional overrun clutch inner ring and left side wheels hub shell affixed; Described rotor, planet carrier and first planet wheel power input module forms not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
Described rotor passes through rotor supports bearings on left side wheels hub shell, two described planet carriers are connected with planetary gear back shaft, right side planet carrier protuberance is supported on stator fixed mount by planet carrier spring bearing, on described planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, ring gear is connected with inside described rotor, described ring gear engages with the first row star-wheel and forms first planet and take turns power input module, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, its external tooth and engage formation second planetary gear Power output assembly with the second planetary gear, described rotor spurs and little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, described rotor and first planet wheel power input module are not only in power input part but also in Power output portion, namely described rotor directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
Rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.
Described rotor passes through rotor supports bearings on left side wheels hub shell, rotor and planet carrier independent separate body are arranged, left row carrier protuberance and described little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed; Described rotor is power input part, described left row carrier protuberance exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
Beneficial effect: compared with prior art, reducing gear is arranged in rotor, and wheel hub motor overall dimensions is reduced; Make wheel hub motor can export the power of two kinds of different speed reducing ratio by a driving mechanism and two output mechanisms, overcome the defect that the automobile-used wheel hub motor of current electrical salf-walking only has single fixing speed reducing ratio, solve the problem of electric bicycle starting ability and climbing capacity difference.The scope of application of electric motor car is expanded to knob, mountain area from plains region.Reduce the impact to battery simultaneously, keep battery performance to increase the service life.In addition, expand motor best efficiency ranges, power saving extends endurance distance.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present utility model;
Fig. 2 is exploded perspective view of the present utility model;
Fig. 3 is planetary gear part exploded perspective view of the present utility model;
Fig. 4 is embodiment 1 transverse cross-sectional view of the present utility model;
Fig. 5 is embodiment 2 transverse cross-sectional view of the present utility model;
Fig. 6 is embodiment 3 transverse cross-sectional view of the present utility model;
Fig. 7 is embodiment 4 transverse cross-sectional view of the present utility model;
Fig. 8 is embodiment 5 transverse cross-sectional view of the present utility model;
Fig. 9 is embodiment 6 transverse cross-sectional view of the present utility model;
Figure 10 is the utility model and driver winding diagram;
Figure 11 is the gears meshing operation principle sketch of Fig. 4;
Figure 12 be Fig. 5,6 gears meshing operation principle sketch;
Figure 13 be Fig. 7,8 gears meshing operation principle sketch;
Figure 14 is the gears meshing operation principle sketch of Fig. 9.
In figure: 1, right-hand wheel hub shell, 2, right-hand wheel hub shell bearing, 3, middle casing, 4, stator fixed mount, 5, stator, 6, rotor, 6-1, rotor spurs, 7, magnet, 8, planet wheel bearing, 9, first sun gear, 10, the first row star-wheel, 11, second sun gear, 12, second planetary gear, 13, 3rd sun gear, 14, the third line star-wheel, 15, planetary gear connects spline housing, and 16, planetary gear back shaft, 17, main shaft, 18, planet carrier, 18-1, planet carrier protuberance, 19, rotor supports bearing, 20, 3rd sun gear exports cover, and 21, little speed reducing ratio exports mono-directional overrun clutch, and 22, second sun gear exports cover, and 23, big retarding specific output mono-directional overrun clutch, 24, left side wheels hub shell bearing, 25, left side wheels hub shell, 26, coil, 27, coil U phase, 28, coil V phase, 29, coil W phase, 30, Hall A phase, 31, Hall B phase, 32, Hall C phase, 33, Hall power line (-), 34, Hall power line (+), 35, relay normal-closed end, 36, relay common terminal, 37, relay normally open end, 38, Control end, 39, motor, 40, driver, 41, ring gear, 42, planetary gear spring bearing, 43, relay.
Embodiment
Below in conjunction with preferred embodiment, to the embodiment provided according to the utility model, details are as follows:
Refer to accompanying drawing 1-4, compared with prior art, the utility model provides the wheel hub motor of the automobile-used variable deceleration ratio of a kind of electrical salf-walking, comprise main shaft 17, described main shaft is provided with wheel hub shell by wheel hub shell bearing, middle casing 3, stator 5 and rotor 6, described stator 5 is fixed in stator fixed mount 4, described stator fixed mount 4 and main shaft keyed jointing, described stator is built-in with rotor, described rotor radial inside is provided with differential planet gear reducing gear and exports selection mechanism, described differential planet gear reducing gear is integrally formed with rotor by planet carrier, described output selection mechanism comprises two mono-directional overrun clutch, the inner ring of described mono-directional overrun clutch and the output of differential planet gear reducing gear are overlapped affixed, outer ring and the left side wheels hub shell of mono-directional overrun clutch are affixed, two described mono-directional overrun clutch transmission of power directions are identical, the combination of described differential planet gear reducing gear and output selection mechanism is formed jointly can select different speed reducing ratio rotary motion to export.This kind designs not axial occupation space can make wheel hub motor overall dimensions reduce.Described differential planet gear reducing gear comprises three groups of planetary gears, form two groups of differential planet gear deceleration output mechanisms, described two groups of differential planet gear deceleration output mechanisms export the little speed reducing ratio of forward and the motion of reverse big retarding ratio respectively, described two groups of differential planet gear deceleration output mechanisms are connected to mono-directional overrun clutch (comprising big retarding specific output mono-directional overrun clutch and little speed reducing ratio output mono-directional overrun clutch), and one-way clutch can adopt the flywheel of conventional click structure.Two mono-directional overrun clutch transmission of power directions are identical.According in the output turning to two kinds of speed reducing ratio, differences to turn to of rotor optionally by a kind of movement output to wheel hub shell, achieving when running at high speed makes rotor rotate forward, use the transmission of little speed reducing ratio forward, when starting and climbing, rotor is reversed, use big retarding than reverse drive, solve electric bicycle and not only can ensure that high-speed and high-efficiency travelled but also can solve the problem of starting and climbing capacity difference.
Embodiment 1
Refer to accompanying drawing 4, accompanying drawing 11, described differential planet gear reducing gear comprises rotor 6, planet carrier 18, several magnet 7, first sun gear 9, three the first row star-wheels 10, second sun gear 11, three the second planetary gears 12, 3rd sun gear 13, three the third line star-wheels 14, second sun gear exports cover 22, 3rd sun gear exports cover 20 and big retarding specific output mono-directional overrun clutch 23, little speed reducing ratio exports mono-directional overrun clutch 21, described first sun gear and main shaft keyed jointing, main shaft 17 is respectively by left and right sides wheel hub shell bearing 24, 2 are supported on left and right sides wheel hub shell 25, on 1, left and right sides wheel hub shell 25, 1 forms Integral hub shell with middle casing 3.Described rotor is supported on left side wheels hub shell by rotor supports bearing 19, described magnet is fixed on rotor outer circle periphery, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft 16, described planetary gear back shaft quantity is three, be distributed on planet carrier, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear and the third line star-wheel, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the third line star-wheel are supported on planetary gear back shaft by planetary gear spring bearing 42, the first row star-wheel, second planetary gear is connected spline housing 15 keyed jointing with the third line star-wheel by planetary gear and is integrally formed, described planetary gear connects spline housing and planetary gear back shaft is matched in clearance, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel and forms first planet and take turns power input module, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth engages formation second planetary gear Power output assembly with the second planetary gear, described 3rd sun gear inner ring and the 3rd sun gear export and overlap one end keyed jointing, external tooth engages with the third line star-wheel and forms third planet and take turns power output precision, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described little speed reducing ratio exports mono-directional overrun clutch inner ring and the 3rd sun gear and exports that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module are power input part, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse efferent, described third planet is taken turns power output precision and is exported mono-directional overrun clutch with little speed reducing ratio and forms little speed reducing ratio forward efferent.
The course of work: the rotary power of rotor is divided into two kinds of speed reducing ratio, two kinds of motions turned to by differential planet gear reducing gear, wherein the second sun gear exports as big retarding exports as little speed reducing ratio forward exports than oppositely output, the 3rd sun gear.When rotor rotates, rotor motion power is delivered to first, second, third planetary gear by planet carrier, three planetary gears rotate around first, second, third sun gear separately, and because three planetary gears are integrated, therefore the characteristics of motion of three planetary gears is identical.First sun gear and the first row star-wheel modulus are 1.25, first sun gear number of teeth Z1=29, first planet tooth number Z2=19, second, third sun gear and second, third planetary gear modulus are 1.5, second sun gear number of teeth Z4=24, the second planetary gear number of teeth Z3=16,3rd sun gear number of teeth Z6=25, third planet tooth number Z5=15, because the first sun gear is fixing, the power be delivered on planetary gear is exported by second, third sun gear, and Power output speed reducing ratio and turning to by respective sun gear and the incompatible decision of planetary gear array.For the second sun gear, its speed reducing ratio is: i1=1/ [1-(Z1*Z3)/(Z2*Z4)]=-57, for big retarding ratio and turn to turn to rotor contrary; For the 3rd sun gear, its speed reducing ratio is i2=1/ [1-(Z1*Z5)/(Z2*Z6)]=11.9, for little speed reducing ratio and turn to turn to rotor identical.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring, and the power outputting to the 3rd sun gear exports cover by the 3rd sun gear and is delivered to little speed reducing ratio output mono-directional overrun clutch inner ring.It is identical that big retarding specific output mono-directional overrun clutch and little speed reducing ratio export mono-directional overrun clutch transmission of power direction.When rotor turn to turn to wheel hub identical, namely the second sun gear reversion when rotor rotates forward, therefore big retarding specific output mono-directional overrun clutch not transferring power, and the 3rd sun gear rotates forward, therefore little speed reducing ratio exports mono-directional overrun clutch by transmission of power to wheel hub shell, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, the second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and the 3rd sun gear reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Embodiment 2
Refer to accompanying drawing 5, accompanying drawing 12, described rotor passes through rotor supports bearings on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel and forms first planet and take turns power input module, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth and engage formation second planetary gear Power output assembly with the second planetary gear, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described planet carrier protuberance 18-1 and described little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.Embodiment 2, compared with embodiment 1, reduces by one group of gear, structure relative simplicity.
The course of work: the rotary power of rotor is exported by two kinds of paths, a little speed reducing ratio forward directly exported for planet carrier exports, and another is that the big retarding ratio exported through differential planet gear reducing gear oppositely exports.When rotor rotates, rotor motion power is delivered to first, second planetary gear by planet carrier, two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears are identical with two planetary gear moduluses, be 1.5, first sun gear number of teeth Z1=19, first planet tooth number Z2=18, second sun gear number of teeth Z4=18, the second planetary gear number of teeth Z3=19, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be: i2=1/ [1-(Z1*Z3)/(Z2*Z4)]=-8.8, for big retarding ratio and turn to turn to rotor contrary.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring.Planet carrier protuberance 18-1 is directly output as little speed reducing ratio forward and exports, and directly outputs to little speed reducing ratio and exports mono-directional overrun clutch inner ring.Two mono-directional overrun clutch transmission of power directions are identical.When rotor turn to turn to wheel hub identical, namely when rotor rotates forward, little speed reducing ratio exports mono-directional overrun clutch by planet carrier transmission of power to wheel hub shell, and the second sun gear reversion, therefore big retarding specific output mono-directional overrun clutch not transferring power, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and planet carrier reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Embodiment 3
Refer to accompanying drawing 6, accompanying drawing 12, rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, described rotor and affixed with it two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth engages with the second planetary gear, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.Embodiment 3 and the difference of embodiment 2 are that the parts directly exported are different with two mono-directional overrun clutch setting positions.Embodiment 3 is that planet carrier exports, and mono-directional overrun clutch radial direction is arranged; Embodiment 2 is that rotor exports, and mono-directional overrun clutch is axially arranged.
The course of work: the rotary power of rotor is exported by two kinds of paths, a little speed reducing ratio forward directly exported for rotor exports, and another is that the big retarding ratio exported through differential planet gear reducing gear oppositely exports.When rotor rotates, rotor motion power is delivered to first, second planetary gear by planet carrier, two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears are identical with two planetary gear moduluses, be 1.5, first sun gear number of teeth Z1=19, first planet tooth number Z2=18, second sun gear number of teeth Z4=18, the second planetary gear number of teeth Z3=19, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be: i2=1/ [1-(Z1*Z3)/(Z2*Z4)]=-8.8, for big retarding ratio and turn to turn to rotor contrary.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring.Rotor is directly output as little speed reducing ratio forward and exports, and directly outputs to little speed reducing ratio and exports mono-directional overrun clutch outer ring.Two mono-directional overrun clutch transmission of power directions are identical.When rotor turn to turn to wheel hub identical, namely when rotor rotates forward, little speed reducing ratio exports mono-directional overrun clutch by planet carrier transmission of power to wheel hub shell, and the second sun gear reversion, therefore big retarding specific output mono-directional overrun clutch not transferring power, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and planet carrier reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Embodiment 4
Refer to accompanying drawing 7, accompanying drawing 13, described rotor passes through rotor supports bearings on left side wheels hub shell, described magnet is fixed on rotor outer circle periphery, two described planet carriers are connected with planetary gear back shaft, right side planet carrier protuberance 18-1 is supported on stator fixed mount by planet carrier spring bearing, on described planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, it is affixed integral that second planetary gear connects spline housing key by planetary gear, described first sun gear inner ring and main shaft keyed jointing, external tooth engages with the first row star-wheel, ring gear 41 is connected with inside described rotor, described ring gear engages with the first row star-wheel and forms first planet and take turns power input module, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, its external tooth and engage formation second planetary gear Power output assembly with the second planetary gear, described rotor spurs 6-1 and little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, described rotor and first planet wheel power input module are not only in power input part but also in Power output portion, namely described rotor directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, described little speed reducing ratio export mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
The course of work: the rotary power of rotor is exported by two kinds of paths, a little speed reducing ratio forward directly exported for rotor exports, and another is that the big retarding ratio exported through differential planet gear reducing gear oppositely exports.When rotor rotates, rotor motion power is delivered to the first row star-wheel by rotor gear, and two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears, two planetary gears are identical with gear ring modulus, be 1.5, first sun gear number of teeth Z1=19, first planet tooth number Z2=18, second sun gear number of teeth Z4=18, the second planetary gear number of teeth Z3=19, rotor gear tooth number Z 5=55, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be i2=[(Z1+Z5)/Z5] * { 1/ [1-(Z1*Z3)/(Z2*Z4)] }=-11.8, for big retarding ratio and turn to turn to rotor contrary.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring.Rotor is directly output as little speed reducing ratio forward and exports, and directly outputs to little speed reducing ratio mono-directional overrun clutch inner ring.Two mono-directional overrun clutch transmission of power directions are identical.When rotor turn to turn to wheel hub identical, namely when rotor rotates forward, rotor dynamic is delivered to wheel hub shell by little speed reducing ratio mono-directional overrun clutch, and the second sun gear reversion, therefore big retarding specific output mono-directional overrun clutch not transferring power, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and rotor reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Embodiment 5
Refer to accompanying drawing 8, accompanying drawing 13, rotor supports bearings is passed through on stator fixed mount on the right side of described rotor, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, described magnet is fixed on rotor outer circle periphery, described two planet carriers are connected with planetary gear back shaft, on planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, described first sun gear inner ring and main shaft keyed jointing, its external tooth engages with the first row star-wheel, described second sun gear inner ring and the second sun gear export and overlap one end keyed jointing, external tooth engages with the second planetary gear, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, outer ring and left side wheels hub shell affixed, described internal rotor is provided with ring gear, described ring gear engages with the first row star-wheel, described rotor, planet carrier and first planet wheel power input module form not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.
The course of work: the rotary power of rotor is exported by two kinds of paths, a little speed reducing ratio forward directly exported for rotor exports, and another is that the big retarding ratio exported through differential planet gear reducing gear oppositely exports.When rotor rotates, rotor motion power is delivered to the first row star-wheel by rotor gear, and two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears, two planetary gears are identical with gear ring modulus, be 1.5, first sun gear number of teeth Z1=19, first planet tooth number Z2=18, second sun gear number of teeth Z4=18, the second planetary gear number of teeth Z3=19, rotor gear tooth number Z 5=55, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be i2=[(Z1+Z5)/Z5] * { 1/ [1-(Z1*Z3)/(Z2*Z4)] }=-11.8, for big retarding ratio and turn to turn to rotor contrary.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring.Rotor is directly output as little speed reducing ratio forward and exports, and directly outputs to little speed reducing ratio mono-directional overrun clutch outer ring.Two mono-directional overrun clutch transmission of power directions are identical.When rotor turn to turn to wheel hub identical, namely when rotor rotates forward, rotor dynamic is delivered to wheel hub shell by little speed reducing ratio mono-directional overrun clutch, and the second sun gear reversion, therefore big retarding specific output mono-directional overrun clutch not transferring power, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and rotor reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Embodiment 6
Refer to accompanying drawing 9, accompanying drawing 14, described rotor passes through rotor supports bearings on left side wheels hub shell, rotor and planet carrier independent separate body are arranged, left row carrier protuberance and described little speed reducing ratio mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed; Described rotor is power input part, described left row carrier protuberance exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, described little speed reducing ratio export mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
The course of work: the rotary power of rotor is by two kinds of paths outputs, and a little speed reducing ratio forward being planet carrier exports exports, another is that the big retarding exported through differential planet gear reducing gear exports than reverse.When rotor rotates, rotor motion power is delivered to the first row star-wheel by rotor gear, and two planetary gears rotate around first, second sun gear separately, and because two planetary gears are integrated, therefore the characteristics of motion of two planetary gears is identical.Two sun gears, two planetary gears are identical with gear ring modulus, be 1.5, first sun gear number of teeth Z1=19, first planet tooth number Z2=18, second sun gear number of teeth Z4=18, the second planetary gear number of teeth Z3=19, rotor gear tooth number Z 5=55, because the first sun gear is fixing, the power be delivered on planetary gear is exported by the second sun gear, and Power output speed reducing ratio and turning to by sun gear and the incompatible decision of planetary gear array.Second sun gear export speed reducing ratio be i2=[(Z1+Z5)/Z5] * { 1/ [1-(Z1*Z3)/(Z2*Z4)] }=-11.8, for big retarding ratio and turn to turn to rotor contrary; Planet carrier export speed reducing ratio be i1=(Z1+Z5)/Z5=1.34, for little speed reducing ratio and turn to turn to rotor identical.The power outputting to the second sun gear exports cover by the second sun gear and is delivered to big retarding specific output mono-directional overrun clutch inner ring.Planet carrier exports as little speed reducing ratio forward exports, and outputs to little speed reducing ratio mono-directional overrun clutch inner ring.Two mono-directional overrun clutch transmission of power directions are identical.When rotor turn to turn to wheel hub identical, namely when rotor rotates forward, little speed reducing ratio mono-directional overrun clutch by planet carrier transmission of power to wheel hub shell, and the second sun gear reversion, therefore big retarding specific output mono-directional overrun clutch not transferring power, be now little speed reducing ratio transmission, for the situation of running at high speed.When rotor turn to turn to wheel hub contrary, namely during rotor reversion, second sun gear rotates forward, therefore big retarding specific output mono-directional overrun clutch by transmission of power to wheel hub shell, and planet carrier reversion, therefore little speed reducing ratio exports mono-directional overrun clutch not transferring power, be now big retarding than transmission, for situation about starting to walk and climb.
Refer to accompanying drawing 10,
The course of work: well-known, the course changing control of brushless DC motor rotor is by exchanging motor coil U phase 27 and V phase 28, Hall line A phase 30 and C phase 32 order of connection realize, concrete scheme for add two relays 43 on existing motor driver 40 circuit base, motor coil phase line exchanged by a relay, and Hall line phase line exchanged by another relay.Line is illustrated: in motor coil U phase 27, V phase 28, W phase 29 three-phase, W phase is directly connected with driver W, all the other two-phase U phases relay that communicated with V is connected in driver U phase and V phase in improved cross connect mode, when relay is in normal-closed end 35, motor coil U phase is connected with driver U phase, and motor coil V phase is connected with driver V phase, motor Hall line A phase 30, B phase 31, in C phase 32 three-phase, B phase is directly connected with driver B, all the other two-phase A phases relay that communicated with C is connected in driver A phase and C phase in improved cross connect mode, when relay is in normal-closed end 35, motor Hall line A phase is connected with driver A phase, motor Hall line C phase is connected with driver C phase, when relay does not work, namely when relay common terminal 36 is connected with relay normal-closed end 35, motor rotates forward: when relay work, namely when relay common terminal is connected with relay normally open end 37, motor coil U phase is exchanged with V phase, Hall line A phase is exchanged with C phase, now motor 39 reverses.
Subordinate list 1--in embodiment, the gearratio of meshing gear is detailed
Above-mentioned detailed description of carrying out with reference to the wheel hub motor of embodiment to the automobile-used variable deceleration ratio of this kind of electrical salf-walking; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under the utility model general plotting and amendment, should belong within protection range of the present utility model.
Claims (8)
1. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking, comprise main shaft, described main shaft is supported with wheel hub shell by wheel hub shell bearing, stators and rotators, it is characterized in that: described stator is fixed on stator fixed mount, described stator fixed mount and main shaft keyed jointing, rotor is provided with in described stator, described rotor radial inside is provided with differential planet gear reducing gear and exports selection mechanism, described differential planet gear reducing gear is integrally formed with rotor by planet carrier, described output selection mechanism comprises two mono-directional overrun clutch, the inner ring of described mono-directional overrun clutch and the output of differential planet gear reducing gear are overlapped affixed, the outer ring of mono-directional overrun clutch is affixed with wheel hub shell, two described mono-directional overrun clutch transmission of power directions are identical, the combination of described differential planet gear reducing gear and output selection mechanism is formed jointly can select different speed reducing ratio rotary motion to export.
2. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 1, is characterized in that: described differential planet gear reducing gear comprises rotor and several magnet, planet carrier, first sun gear, three the first row star-wheels, second sun gear, three the second planetary gears, 3rd sun gear, three the third line star-wheels, second sun gear exports cover, 3rd sun gear exports cover, described rotor passes through rotor supports bearings on left side wheels hub shell, described magnet is fixed on rotor outer circle week, described rotor and affixed with it two planet carriers are connected with three planetary gear back shafts, three described planetary gear back shafts are respectively installed with planetary gear spring bearing, the first row star-wheel, second planetary gear, the third line star-wheel is connected spline housing with planetary gear, and described the first row star-wheel and the third line star-wheel are supported on planetary gear back shaft respectively by planetary gear spring bearing, the first row star-wheel, second planetary gear is connected spline housing keyed jointing with the third line star-wheel by planetary gear and is integrally formed, described planetary gear connects spline housing and planetary gear back shaft is matched in clearance, described first sun gear and main shaft keyed jointing, and engage with the first row star-wheel and form first planet and take turns power input module, described second sun gear and the second sun gear export and overlap one end keyed jointing, and engage formation second planetary gear Power output assembly with the second planetary gear, described 3rd sun gear and the 3rd sun gear export and overlap one end keyed jointing, and engage with the third line star-wheel and form third planet and take turns power output precision, described output selection mechanism comprises big retarding specific output mono-directional overrun clutch and little speed reducing ratio exports mono-directional overrun clutch, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, described little speed reducing ratio export mono-directional overrun clutch inner ring and the 3rd sun gear export overlap that the other end is affixed, its outer ring and left side wheels hub shell affixed, second sun gear exports cover and to be sleeved on main shaft and to be matched in clearance with main shaft, 3rd sun gear export cover be sleeved on second sun gear export put and with the second sun gear exports overlap be matched in clearance, described rotor, planet carrier and first planet wheel power input module form power input part, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than heterodromous Power output portion, described third planet wheel power output precision and little speed reducing ratio export the Power output portion that mono-directional overrun clutch forms little speed reducing ratio positive movement.
3. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 2, is characterized in that: described big retarding specific output mono-directional overrun clutch and little speed reducing ratio export mono-directional overrun clutch in co-axial shafts to being arranged side by side.
4. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 2, it is characterized in that: described rotor passes through rotor supports bearings on left side wheels hub shell, three described planetary gear back shafts are respectively installed with planetary gear spring bearing, the first row star-wheel, second planetary gear is connected spline housing with planetary gear, described the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, the inner ring of described first sun gear and main shaft keyed jointing, external tooth engages with the first row star-wheel and forms first planet and take turns power input module, inner ring and the output of the second sun gear of described second sun gear are overlapped one end keyed jointing, external tooth and are engaged formation second planetary gear Power output assembly with the second planetary gear, the output of described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear overlaps that the other end is affixed, outer ring and left side wheels hub shell affixed, described planet carrier protuberance and described little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module forms not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
5. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 4, it is characterized in that: pass through rotor supports bearings on the right side of described rotor on stator fixed mount, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear export that to overlap the other end affixed, its outer ring and left side wheels hub shell affixed, it is affixed that described planet carrier and little speed reducing ratio export mono-directional overrun clutch outer ring, little speed reducing ratio export mono-directional overrun clutch inner ring and left side wheels hub shell affixed, described rotor, planet carrier and first planet wheel power input module forms not only in power input part but also in Power output portion, namely described planet carrier directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.
6. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 2, it is characterized in that: described rotor passes through rotor supports bearings on left side wheels hub shell, two described planet carriers are connected with planetary gear back shaft, right side planet carrier protuberance is supported on stator fixed mount by planet carrier spring bearing, on described planetary gear back shaft, cover has the first row star-wheel, second planetary gear, planetary gear spring bearing, planetary gear connects spline housing, the first row star-wheel and the second planetary gear are supported on planetary gear back shaft by planetary gear spring bearing, the first row star-wheel, second planetary gear connects spline housing keyed jointing by planetary gear and is integrally formed, the inner ring of described first sun gear and main shaft keyed jointing, external tooth engages with the first row star-wheel, ring gear is connected with inside described rotor, described ring gear engages with the first row star-wheel and forms first planet and take turns power input module, inner ring and the output of the second sun gear of described second sun gear are overlapped one end keyed jointing, its external tooth and are engaged formation second planetary gear Power output assembly with the second planetary gear, described rotor spurs and little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, the output of described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear overlaps that the other end is affixed, its outer ring and left side wheels hub shell affixed, described rotor and first planet wheel power input module are not only in power input part but also in Power output portion, namely described rotor directly exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
7. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 6, it is characterized in that: pass through rotor supports bearings on the right side of described rotor on stator fixed mount, passing on left little speed reducing ratio output mono-directional overrun clutch is supported on left side wheels hub shell, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch is arranged at same Axial and radial.
8. the wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking according to claim 6, it is characterized in that: described rotor passes through rotor supports bearings on left side wheels hub shell, rotor and planet carrier independent separate body are arranged, left row carrier protuberance and described little speed reducing ratio export mono-directional overrun clutch inner ring keyed jointing, described little speed reducing ratio export mono-directional overrun clutch outer ring and left side wheels hub shell affixed, the output of described big retarding specific output mono-directional overrun clutch inner ring and the second sun gear overlaps that the other end is affixed, its outer ring and left side wheels hub shell affixed; Described rotor is power input part, described left row carrier protuberance exports and exports with little speed reducing ratio the Power output portion that mono-directional overrun clutch forms little speed reducing ratio forward, described second planetary gear Power output assembly and big retarding specific output mono-directional overrun clutch form big retarding than reverse Power output portion, and described little speed reducing ratio exports mono-directional overrun clutch and big retarding specific output mono-directional overrun clutch in co-axial shafts to being arranged side by side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420402729.7U CN204190553U (en) | 2014-07-21 | 2014-07-21 | The wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking |
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| CN201420402729.7U CN204190553U (en) | 2014-07-21 | 2014-07-21 | The wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN107131263A (en) * | 2017-06-14 | 2017-09-05 | 张家港川梭车业有限公司 | A kind of axle input type three keeps off internal speed changer |
| CN108512381A (en) * | 2018-06-08 | 2018-09-07 | 重庆大学 | The integrated wheel hub motor of novel high-performance |
-
2014
- 2014-07-21 CN CN201420402729.7U patent/CN204190553U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079116A (en) * | 2014-07-21 | 2014-10-01 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| WO2016011921A1 (en) * | 2014-07-21 | 2016-01-28 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN104079116B (en) * | 2014-07-21 | 2016-08-24 | 严振华 | The wheel hub motor of electrical salf-walking automobile-used variable deceleration ratio |
| CN107131263A (en) * | 2017-06-14 | 2017-09-05 | 张家港川梭车业有限公司 | A kind of axle input type three keeps off internal speed changer |
| CN108512381A (en) * | 2018-06-08 | 2018-09-07 | 重庆大学 | The integrated wheel hub motor of novel high-performance |
| CN108512381B (en) * | 2018-06-08 | 2024-04-19 | 重庆大学 | Novel high-performance integrated hub motor |
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Granted publication date: 20150304 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |