CN203926626U - A kind of power transmission mechanism of electric carrier - Google Patents
A kind of power transmission mechanism of electric carrier Download PDFInfo
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- CN203926626U CN203926626U CN201420350561.XU CN201420350561U CN203926626U CN 203926626 U CN203926626 U CN 203926626U CN 201420350561 U CN201420350561 U CN 201420350561U CN 203926626 U CN203926626 U CN 203926626U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model belongs to the driving mechanism field that electric carrier is used, specifically a kind ofly utilize single rotating power source, drive respectively two planetary reduction gear modules and two output shafts to make the power transmission mechanism of the electric carrier of differential output, comprise housing, motor stator, the first output shaft, motor rotor, the first planet slowdown module, the second output shaft and the second planetary reduction gear module, motor stator wherein, motor rotor, the first planet slowdown module and the second planetary reduction gear module are placed in respectively in housing, and the first planet slowdown module is connected with the first output shaft, the second planetary reduction gear module is connected with the second output shaft, and connect between the first output shaft and the second output shaft and by a mobilizable positioning means, make the first output shaft and the second output shaft by the first planet slowdown module and the second planetary reduction gear module, do differential output respectively, reach the differential effect of using single power source to have dual output power source.
Description
Technical field
The utility model belongs to the driving mechanism field that electric carrier is used, and specifically a kind ofly utilizes single rotating power source, drives respectively two planetary reduction gear modules and two output shafts to make the power transmission mechanism of the electric carrier of differential output.
Background technique
General as: the electric carriers such as electric bicycle, factory's carrier, golf cart, electronic beach buggy, because load is lower and do not need speed per hour fast, and do not need employing to use the engine structure of fossil fuel, all to adopt to using electric motor as rotating power source mostly, it utilizes the electric power of battery as driving, thereby can not cause atmospheric pollution.
Yet the high Design of Rotation of the many employings of electric motor that most electric carrier is used, coordinates suitable power transmission mechanism, can the high rotating speed power of electric motor be passed through converted be high torsion power, to drive this electric carrier to move.But, the design of this class power transmission mechanism is all that single rotating power source is exported on an output shaft through deceleration, and set up a wheel body separately respectively at the two end part of this output shaft, therefore this two wheel body only can be done synchronous rotatablely moving, therefore, this electric carrier cannot be turned in original place mobile or be turned to.Be with, in order to solve this problem, for this two wheel body, motor and power transmission mechanism are installed respectively, are made this two wheel body can carry out nonsynchronous rotatablely moving, to reach aforementioned original place, turn mobile or the effect such as turn to, relatively, also promoted manufacture difficulty and the manufacture cost while manufacturing.
In view of this, if publication number is No. M472137 disclosed Taiwan new patent bulletin, " transmission device " comprising: a housing, one first planet gear module and one second planetary pinion module, and this housing comprises one first shell and a second housing; This first planet gear module comprises one first planet carrier, one first sun gear, a plurality of the first planetary pinion and a first ring generating gear, and one first driving component wears this first shell and is fixedly arranged on this first planet carrier; This second planetary pinion module comprises one second planet carrier, a secondary sun wheel, a plurality of the second planetary pinion and one second ring gear, one second driving component wears this second housing this second ring gear of interlock, by this first ring generating gear of this first planet gear module and the output of the differential of the first planet carrier, use single rotating power source and there is the differential effect of dual output power source, make this two output shaft can drive respectively this two wheel body to make differential and rotate, even if also this two wheel body is done nonsynchronous rotation.
Yet after the structure of this new patent performs an analysis, this case claimant thinks that it has the not enforceable disappearance in many places.Wherein, the most important, that this two output shafts system is not independently connected, cause this first planet gear module and this second planetary pinion module to be difficult to when rotated smooth and easy action, and easily pressure causes the stuck or fracture of output shaft partially, thus, however easily make the low or fault of its deceleration effect, therefore be necessary to be improved.
Model utility content
The purpose of this utility model is to provide a kind of power transmission mechanism of electric carrier.This power transmission mechanism utilizes two groups of planetary reduction gear modules and corresponding a pair of output shaft, has geocoded activity and connects, and then form the box of tricks with deceleration effect between this output shaft.
The purpose of this utility model is achieved through the following technical solutions:
The utility model is arranged on electric carrier, drives respectively two wheel bodys on described electric carrier; This power transmission mechanism comprises that inside has the housing of containing space, the first output shaft, the second output shaft and is arranged on respectively motor stator, motor rotor, the first planet slowdown module, the second planetary reduction gear module in described housing, wherein motor stator is arranged on the one end in housing and is electrically connected to electric power source, described the first output shaft is movably set in the axle central position of this motor stator, one end of this first output shaft passes described housing, is connected with the wheel body of described electric carrier one side, and the other end of described the first output shaft is provided with the first positioning part; Described motor rotor is positioned at motor stator one side rotatably, and is movably set on described the first output shaft; Described the first planet slowdown module is positioned at motor rotor one side, one end of this first planet slowdown module and described motor rotor interlock, the other end is connected with described the first output shaft, and the rotating power that described motor rotor produces slows down, drives described the first output shaft to rotate by the first planet slowdown module; One end of described the second output shaft be provided with described the first positioning part mutually against and the second positioning part of being flexibly connected, the other end of this second output shaft passes described housing, is connected with the wheel body of described electric carrier opposite side; One end of described the second planetary reduction gear module is arranged on housing, the other end is connected with described the second output shaft, and described the second planetary reduction gear module is connected with the first planet slowdown module, the rotating power that described motor rotor produces slows down, drives the second output shaft to rotate by first and second planetary reduction gear module, and the wheel body of described electric carrier both sides is respectively by first and second output shaft driven rotary.
Wherein: described motor rotor is connected with and it is locked or the electromagnetic brake module of release movement, this electromagnetic brake module is arranged on described housing near the outside, one end of motor stator;
The outside, two ends of housing is separately installed with electromagnetic brake module, electromagnetic brake module near outside, motor stator one end is connected, makes motor rotor to lock or release movement with described motor rotor, and the electromagnetic brake module in described housing the other end outside is connected, makes this second output shaft to lock or release movement with described the second output shaft;
Described electromagnetic brake module comprises electromagnetic brake body, electromagnet, brake shoe, double-action plate and fixed base, this electromagnetic brake body is arranged on described housing by fixed base, described electromagnet is placed in electromagnetic brake body, and be electrically connected to described electric power source, described brake shoe is positioned at a side of electromagnet, and be socketed on described motor rotor or described the second output shaft, with motor rotor or the rotation of the second output shaft synchronous, described double-action plate is between described electromagnet and brake shoe, and be set on described the first output shaft or the second output shaft, and the axial reciprocating along described the first output shaft or the second output shaft moves, described double-action plate attracts to separate with brake shoe by the electromagnet of energising, make described brake shoe present the state with motor rotor rotation, described double-action plate by being arranged on the intrinsic spring ejection of described electromagnetic brake and pinning brake shoe, and then locks described motor rotor or the second output shaft after electromagnet power-off,
Described motor rotor extends to form the hollow shaft housing being set on the first output shaft vertically, and described the first output shaft is rotationally connected by bearing and this hollow shaft housing; Described hollow shaft housing is passed by one end of housing, and is rotationally connected by bearing and described housing, and described brake shoe and hollow shaft housing are positioned at the end interlock of outside;
On described electromagnetic brake body, be equipped with the brake remover that drawing double-action plate moves towards electromagnet direction, one end of this brake remover is positioned at described electromagnetic brake, and this is external, the other end penetrates in electromagnetic brake body and is connected with described double-action plate, drawing by described brake remover makes described brake shoe rotate with motor rotor or the second output shaft, to remove the lock state of described motor rotor or the second output shaft;
Described electromagnetic brake body is provided with the brake remover being electrically connected to described electromagnet, described motor rotor or the second output shaft are by the brake remover state that unlocks of energising, and the brake remover of power-off makes motor rotor or the second output shaft keep lock state;
Described housing comprises body and is arranged on respectively the capping at body two ends, and described the first output shaft and the second output shaft are passed by the capping at body two ends respectively, and by bearing and described capping, are rotationally connected respectively;
Described the first planet slowdown module comprises the first sun gear, the first planet carrier, first ring generating gear and a plurality of the first planetary pinion, this first sun gear is arranged on a side of described motor rotor, with motor rotor synchronous rotary, described first ring generating gear is positioned at a side of motor rotor, described the first planet carrier is rotationally connected with in this first ring generating gear, described the first output shaft is successively through the first sun gear, the first planet carrier, and with described first ring generating gear interlock; Described a plurality of the first planetary pinion is rotatably installed in respectively the first planet carrier towards a side of the first sun gear, and along the circumferential direction uniform, and each first planetary pinion all meshes with described the first sun gear, and all meshes with described first ring generating gear;
Described the second planetary reduction gear module comprises secondary sun wheel, the second planet carrier, the second ring gear and a plurality of the second planetary pinion, this secondary sun wheel is arranged on a side of described first ring generating gear, with first ring generating gear synchronous rotary, described the second planet carrier is arranged in housing, and described secondary sun wheel is arranged in the axle center of the second planet carrier; Described a plurality of the second planetary pinion is rotatably installed in respectively on the second planet carrier, and along the circumferential direction uniform, and each second planetary pinion all meshes with described secondary sun wheel; Described the second ring gear is coated on the outside of the second planet carrier, and is meshed with each second planetary pinion, and described the second output shaft is successively through secondary sun wheel, the second planet carrier, and with described the second ring gear interlock.
Advantage of the present utility model and good effect are:
1. after the utility model slows down the rotating power of motor rotor by first and second planetary reduction gear module, then by first and second output shaft, export to the wheel body of electric carrier both sides, realized and used single power source to have the differential effect of dual output power source.
2. the utility model is provided with electromagnetic brake module, has guaranteed that brake power can the most laborsaving indirectly mode be applied on hollow axle tube and reaches the object of brake.
3. electromagnetic brake module of the present utility model can be arranged at respectively housing both sides, has further improved brake effect.
4. the utility model is provided with brake remover in electromagnetic brake module, and when user does not need to use electric power because of motion or rehabilitation, or electric power is when be finished, can compulsory commutation brake.
Accompanying drawing explanation
Fig. 1 is one of perspective exploded view of the present utility model;
Fig. 2 is two of perspective exploded view of the present utility model;
Fig. 3 is the stereo appearance figure after the utility model assembling;
Fig. 4 is the internal view after the utility model assembling;
Fig. 5 is the perspective exploded view that the utility model is installed electromagnetic brake module;
Fig. 6 is the internal view that the utility model is installed electromagnetic brake module;
Fig. 7 is that the utility model is installed the internal view of electromagnetic brake module at a side wheel body;
Fig. 8 is that the utility model is all installed the internal view of electromagnetic brake module at both sides wheel body;
Fig. 9 is the view of the utility model while being installed on electric carrier;
Wherein: 1 power transmission mechanism that is electric carrier, 11 is housing, 111 is body, 1111 is containing space, 112 is capping, 1121 is clutch shaft bearing, 1122 is the second bearing, 12 is motor stator, 13 is the first output shaft, 131 is the first positioning part, 14 is motor rotor, 141 is permanent magnet, 142 is hollow axle tube, 15 is the first planet slowdown module, 151 is the first sun gear, 152 is the first planet carrier, 153 is the first planetary pinion, 154 is first ring generating gear, 16 is the second output shaft, 161 is the second positioning part, 17 is the second planetary reduction gear module, 171 is secondary sun wheel, 172 is the second planet carrier, 173 is the second planetary pinion, 174 is the second ring gear, 18 is electromagnetic brake module, 181 is electromagnetic brake body, 182 is electromagnet, 183 is brake shoe, 184 is double-action plate, 185 is fixed base, 186 is brake remover, 2 is electric carrier, 21 is wheel body.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1～4 and Fig. 9, the power transmission mechanism 1 of the utility model electric carrier is fixed on electric carrier 2, for the wheel body 21 of difference driving electric carrier 2 both sides.The power transmission mechanism 1 of this electric carrier comprises housing 11, motor stator 12, the first output shaft 13, motor rotor 14, the first planet slowdown module 15, the second output shaft 16 and the second planetary reduction gear module 17.
Its middle shell 11 comprises body 111 and two cappings 112, the inner containing space 1111 that forms of body 111, two cappings 112 are used for respectively closing cap and are located on the opening at body 111 two ends, and corresponding the first output shaft 13 of the perforate of one of them capping 112 central authorities and be provided with clutch shaft bearing 1121, corresponding second output shaft 16 of perforate of another capping 112 central authorities and be provided with the second bearing 1122.It should be noted, body 111 can be formed in one and make with one or both ends capping 112, or is organized structure and form by any quantity, any moulding.
Motor stator 12 is fixedly arranged in the capping 112 of body 111 one end, and motor stator 12 is also electrically connected to an electric power source (not shown), it typically is a battery or solar energy and fuel cell etc., and can form electromagnet after these motor stator 12 energisings.
The first output shaft 13 is movably set in the axle central position of motor stator 12 through clutch shaft bearing 1121, and one end of the first output shaft 13 is passed and is connected to the wheel body 21 of electric carrier 2 one sides by the capping 112 of body 111 one end, the other end of the first output shaft 13 is provided with the first positioning part 131, and the central position of this first positioning part 131 forms a sleeve joint hole.
The internal surface of motor rotor 14 is provided with a plurality of permanent magnets 141, and its home position extends to form hollow axle tube 142 vertically, these hollow axle tube 142 correspondences are sheathed on the first output shaft 13 and by bearing and the first output shaft 13 and are rotationally connected, hollow axle tube 142 is positioned at a side of motor stator 12, between the electromagnet of motor stator 12 and each permanent magnet 141 of motor rotor 14, because of magnetic, repels each other and is rotated; And motor is of a great variety, as: brush motor, brushless motor, servomotor, induction motor, inner rotor motor, external-rotor motor, be all known techniques, it will not go into details.
The first planet slowdown module 15 is positioned at a side of motor rotor 14, comprise the first sun gear 151, the first planet carrier 152, first ring generating gear 154 and a plurality of the first planetary pinion 153 (the present embodiment is three), this first sun gear 151 is fixedly arranged on motor rotor 14 away from a side external surface of motor stator 12, can be with motor rotor 14 synchronous rotaries.A side of the first sun gear 151 is located at the first planet carrier 152 intervals, and each the first planetary pinion 153 equi-spaced apart are located on the first planet carrier 152, and be meshed with the first sun gear 151 respectively and can rotate with the first sun gear 151, and the first planet carrier 152 is movably set in the inside of first ring generating gear 152 by the 3rd bearing 155, each first planetary pinion 153 equi-spaced apart are located at that on the first planet carrier 152, (respectively first planetary pinion 153 is rotatably installed in respectively the first planet carrier 152 towards a side of the first sun gear 151, and along the circumferential direction uniform), each first planetary pinion 153 all meshes with the first sun gear 151, the first output shaft 13 is arranged in the first sun gear 151 and this first planet carrier 152 successively, last again with to be positioned at motor rotor 151 affixed and then with first ring generating gear 154 synchronous rotaries away from the first ring generating gear 154 of motor stator 12 1 sides, with rotating power that motor rotor 14 is produced after slowing down, be used for driving the first output shaft 13 to rotate, each first planetary pinion 153 meshes with first ring generating gear 154 respectively.It should be noted, the 3rd bearing 155 is for supporting the position of first ring generating gear 154 on the first planet carrier 152, the stability while turning round to increase it; It is wherein a kind of that the 3rd bearing 155 can be general bearing, self-lubricating bearing, roller bearing and rolling oil-impregnated bearing etc.
One end of the second output shaft 16 is provided with the second positioning part 161, this the second positioning part 161 is connected in the other end of the first output shaft 13, these 161 corresponding connection first positioning parts 131, the second positioning part in the inner, and the end face of the interior edge face of the second positioning part 161 and the first positioning part 131 is formed with a sleeve joint hole equally, borrowing the second positioning part 161 and the first positioning part 131 mutually to abut against and clamp is provided with after a rolling assembly, make the second output shaft 16 and being flexibly connected that the first output shaft 13 is done to locate, and the other end of the second output shaft 16 is passed by the capping 112 of body 111 the other ends, and be connected to the wheel body 21 of electric carrier 2 opposite sides, make the second output shaft 16 and the first output shaft 13 coaxial and can independent turn.It should be noted, this rolling assembly is in order to reduce the purposes of the friction factor between the first positioning part 131 and this second positioning part 161.
The second planetary pinion module 17 comprises secondary sun wheel 171, the second planet carrier 172, the second ring gear 174 and a plurality of the second planetary pinion 173 (the present embodiment is three), secondary sun wheel 171 be fixedly arranged on first ring generating gear 154 away from the outer surface of the first planet carrier 152 1 sides, and can be with 154 rotations of first ring generating gear, the second planet carrier 172 is fixedly arranged on body 111 inside, and secondary sun wheel 171 is arranged in the axle center of the second planet carrier 172; Each second planetary pinion 173 equi-spaced apart be located on the second planet carrier 172 (each second planetary pinion 173 be rotatably installed in respectively the second planet carrier 172 on the surface of first ring generating gear 154 1 sides, and along the circumferential direction uniform), and respectively second planetary pinion 173 is meshed with secondary sun wheel 171 respectively and can rotates thereupon; The second ring gear 174 is coated on the outside of the second planet carrier 172, then is meshed with each second planetary pinion 173 respectively and synchronous rotary thereupon; The second output shaft 16 passes secondary sun wheel 171 and this second planet carrier 172 successively, finally fixes with the second ring gear 174 and rotation thereupon again; Accordingly, the second planetary reduction gear module 17 is connected with the first planet slowdown module 15, and then the rotating power that motor rotor 14 is produced drives the second output shaft 16 to rotate after slowing down, when the first output shaft 13 is driven by the first planet slowdown module 15 and during rotation, the second output shaft 16 is driven by the second planetary reduction gear module 17, thus the first output shaft 13 and the second output shaft 16 respectively the wheel body 21 of driving electric carrier 2 both sides do asynchronous spinning movement.Accordingly, the power transmission mechanism of the utility model electric carrier, by the first ring generating gear 154 of the first planet gear module 15 and the dual output power source of the first planet carrier 152, significantly improves power output efficiency; By the differential action of the first planet gear module 15, the speed discrepancy of inside and outside wheel body while being able to balance turning; The second planetary pinion module 17 be take secondary sun wheel 171 as actuator, the second planet carrier 172 are as fixed block, the second ring gear 174 are driven member, can reach the effect of slow down output and increase torsion in the other direction.
As shown in Figure 5, Figure 6, the brake power while braking in order to promote, is stopped it in real time, and the power transmission mechanism 1 of the utility model electric carrier has more an electromagnetic brake module 18.This electromagnetic brake module 18 is fixedly arranged on body 111 near the outside of motor stator 12 one end cappings 112, sealed and the release of corresponding motor rotor 14, make the rotation of the rear locking of electromagnetic brake module 18 running hollow axle tube 142, and the related motor rotor 14 that makes stops the rotation.Electromagnetic brake module 18 comprises electromagnetic brake body 181, electromagnet 182, brake shoe 183, double-action plate 184 and fixed base 185, electromagnetic brake body 181 is installed in body 111 near the outside of the capping 112 of motor stator 12 one end by fixed base 185, electromagnet 182 is placed in electromagnetic brake body 181 and is electrically connected electric power source, and brake shoe 183 is located at a side of electromagnet 182 and is socketed on this hollow axle tube 142 and can be with hollow axle tube 142 synchronous rotaries, double-action plate 184, between electromagnet 182 and brake shoe 183, and is set on the first output shaft 13 and moves along the axial reciprocating of the first output shaft 13, when electromagnet 182 is subject to electric drive and attracts double-action plate 184 to move to form towards the direction of electromagnetic brake body 181 or electromagnet 182 to grip, make brake shoe 183 movable rotatable and make this hollow axle tube 142 present rotatable state, when electromagnet 182 is subject to electric power power-off and stops suction, double-action plate 182 is just installed in the spring ejection in electromagnetic brake body 181 and pins brake shoe 183, directly lock motor rotor 14, with the power of guaranteeing to brake, can the most laborsaving indirectly mode put on hollow axle tube 142 and reach the object of brake, to stop the movement of electric carrier 2.When electromagnetic brake module 18 is set, hollow axle tube 142 and the first output shaft 13 pass by the capping 112 of body 111 one end, hollow axle tube 142 is rotationally connected by clutch shaft bearing 1121 and the capping 112 of this end, electromagnetic brake body 181 is rotationally connected by bearing and the first output shaft 13, and brake shoe 183 and hollow shaft housing 142 are positioned at the end interlock of housing 11 outsides.
As shown in Figure 7, electromagnetic brake module 18 also comprises brake remover 186, when user does not need to use electric power because of motion or rehabilitation, or electric power is when be finished, as needs force to untie electromagnetic brake module 18, can complete by brake remover 186 difference to some extent according to the cancel system difference of using of its principle.A kind of is to utilize connecting rod mode to do the design of removing, the remover 186 of braking is arranged on electromagnetic brake body 181, the outside that is arranged at electromagnetic brake body 181 is extended with the form of pull bar in one end of brake remover 186, and the other end penetrates in electromagnetic brake body 181 and is connected in double-action plate 184 1 sides.When pulling this brake remover 186, force drawing double-action plate 184 to move towards the direction of electromagnet 182, make the brake shoe 183 can be freely movable to remove the lock state of hollow axle tube 142 with motor rotor 14, make wheel body 21 again reply can free turn state.Except the design that above-mentioned this kind of use connecting rod mode removed, also has the much skill of knowing, the design of for example doing to remove in automatically controlled mode, its principle is that brake remover 186 also can be electrically connected electromagnet 182, brake remover 186 interlocks are arranged at a switch of electromagnet 182 sides, the lock state that can remove hollow axle tube 142 when this switch energising makes hollow axle tube 142 be held in lock state when no electric circuit.For example in this central shaft tube 142 and/or the second output shaft 16, be provided with a channel again, and be provided with a screw rod in this channel, by this screw rod of turn, with this double-action plate 184 of interlock, make shift reciprocately, also can reach the effect of identical releasing or locking brake.
Except above-mentioned, various electromagnetic brake module 18 is directly socketed to the hollow axle tube 142 of motor rotor 14, is connected in the mode of the first output shaft 13, to reach outside the brake of light load simultaneously; In addition, as shown in Figure 8, this electromagnetic brake module 18 can also plural form be implemented, two electromagnetic brake modules 18 are installed in respectively to the both sides of housing 11, and hollow axle tube 142 and second output shaft 16 of difference connecting motor rotor 14, or be installed in two wheel body places, and then promote its brake effect for dealing with more heavy duty brake effect.Electromagnetic brake module 18 near motor stator 12 outsides, one end is identical with above-mentioned connection, is connected, makes motor rotor 14 to lock or release movement with hollow axle tube 142; The electromagnetic brake module 18 in housing 11 the other end outsides, brake shoe 183 is connected, makes the second output shaft 16 to lock or release movement with the second output shaft 16.
Above-described electromagnetic brake module 18 is only preferred embodiment of the present utility model, electromagnetic brake module 18 is also having various structure aspect on the market, and be all prior art, above-mentioned only enumerate wherein a kind of as explanation in order to auditor, understand its purposes, not in order to limit protection domain of the present utility model, therefore have and conventionally know the knowledgeable in affiliated technical field, or be familiar with this technology and done equivalence or variation person easily, so that various electromagnetic brake modules 18 are applied to power transmission mechanism of the present utility model, do not departing from the equalization variation and modification of doing under protection domain of the present utility model, all should be covered by scope of patent protection of the present utility model.
According to above structure, when first and second planetary reduction gear module 15,17 is carried out transmission of power, the fastest rotating speed of the first planet slowdown module 15 is rotating speed * [number of teeth of the first sun gear 151/(number of teeth of the number of teeth+the first sun gear 151 of first ring generating gear 154)] of the first sun gear 151, makes its rotating speed be less than the revolution of the first sun gear 151; In addition, the fastest rotating speed of first ring generating gear 154 is rotating speed * [number of teeth of the number of teeth/first ring generating gear 154 of the first sun gear 151] of the first sun gear 151, its rotating speed also can be less than the revolution of the first sun gear 151, according to after Practical Calculation, when if first ring gear 154 and the first planet carrier 152 rotate simultaneously, its rotating speed only has half of original the fastest rotating speed, and far below the rotating speed of the first sun gear 151, therefore can reach the effect of deceleration.
Claims (10)
1. a power transmission mechanism for electric carrier, is arranged on electric carrier, drives respectively two wheel bodys on described electric carrier, it is characterized in that: this power transmission mechanism comprises that inside has the housing of containing space (1111) (11), the first output shaft (13), the second output shaft (16) and be arranged on respectively the motor stator (12) in described housing (11), motor rotor (14), the first planet slowdown module (15), the second planetary reduction gear module (17), wherein motor stator (12) is arranged on the one end in housing (11), and be electrically connected to electric power source, described the first output shaft (13) is movably set in the axle central position of this motor stator (12), one end of this first output shaft (13) passes described housing (11), be connected with the wheel body of described electric carrier (2) one sides, the other end of described the first output shaft (13) is provided with the first positioning part (131), described motor rotor (14) is positioned at motor stator (12) one sides rotatably, and is movably set on described the first output shaft (13), described the first planet slowdown module (15) is positioned at motor rotor (14) one sides, one end of this first planet slowdown module (15) and described motor rotor (14) interlock, the other end is connected with described the first output shaft (13), and the rotating power that described motor rotor (14) produces slows down, drives described the first output shaft (13) rotation by the first planet slowdown module (15), one end of described the second output shaft (16) is provided with and mutual the second positioning part (161) against being also flexibly connected, described the first positioning part (131), and the other end of this second output shaft (16) passes described housing (11), is connected with the wheel body of described electric carrier (2) opposite side, one end of described the second planetary reduction gear module (17) is arranged on housing (11), the other end is connected with described the second output shaft (16), and described the second planetary reduction gear module (17) is connected with the first planet slowdown module (15), the rotating power that described motor rotor (14) produces slows down, drives the second output shaft (16) rotation by first and second planetary reduction gear module (15,17), and the wheel body of described electric carrier (2) both sides is respectively by first and second output shaft (13,16) driven rotary.
2. by the power transmission mechanism of electric carrier described in claim 1, it is characterized in that: described motor rotor (14) is connected with and it is locked or the electromagnetic brake module (18) of release movement, this electromagnetic brake module (18) is arranged on described housing (11) near the outside, one end of motor stator (12).
3. by the power transmission mechanism of electric carrier described in claim 1, it is characterized in that: the outside, two ends of described housing (11) is separately installed with electromagnetic brake module (18), electromagnetic brake module (18) near outside, motor stator (12) one end is connected, makes motor rotor (14) to lock or release movement with described motor rotor (14), and the electromagnetic brake module (18) in described housing (11) the other end outside is connected, makes this second output shaft (16) to lock or release movement with described the second output shaft (16).
4. by the power transmission mechanism of electric carrier described in claim 2 or 3, it is characterized in that: described electromagnetic brake module (18) comprises electromagnetic brake body (181), electromagnet (182), brake shoe (183), double-action plate (184) and fixed base (185), this electromagnetic brake body (181) is arranged on described housing (11) by fixed base (185), described electromagnet (182) is placed in electromagnetic brake body (181), and be electrically connected to described electric power source, described brake shoe (183) is positioned at a side of electromagnet (182), and be socketed on described motor rotor (14) or described the second output shaft (16), with motor rotor (14) or the second output shaft (16) synchronous rotary, described double-action plate (184) is positioned between described electromagnet (182) and brake shoe (183), and be set on described the first output shaft (13) or the second output shaft (16), and the axial reciprocating along described the first output shaft (13) or the second output shaft (16) moves, described double-action plate (184) attracts to separate with brake shoe (183) by the electromagnet (182) of energising, make described brake shoe (183) present the state with motor rotor (14) rotation, described double-action plate (184) by being arranged on the spring ejection in described electromagnetic brake body (181) and pinning brake shoe (183), and then locks described motor rotor (14) or the second output shaft (16) after electromagnet (182) power-off.
5. by the power transmission mechanism of electric carrier described in claim 4, it is characterized in that: described motor rotor (14) extends to form the hollow shaft housing (142) being set on the first output shaft (13) vertically, described the first output shaft (13) is rotationally connected by bearing and this hollow shaft housing (142); Described hollow shaft housing (142) is passed by one end of housing (11), and is rotationally connected by bearing and described housing (11), and described brake shoe (183) is positioned at the outside end interlock of housing (11) with hollow shaft housing (142).
6. by the power transmission mechanism of electric carrier described in claim 4, it is characterized in that: on described electromagnetic brake body (181), be equipped with the brake remover (186) that drawing double-action plate (184) moves towards electromagnet (182) direction, one end of this brake remover (186) is positioned at outside described electromagnetic brake body (181), the other end penetrates in electromagnetic brake body (181), and be connected with described double-action plate (184), drawing by described brake remover (186) makes described brake shoe (183) with motor rotor (14) or the second output shaft (16) rotation, to remove the lock state of described motor rotor (14) or the second output shaft (16).
7. by the power transmission mechanism of electric carrier described in claim 4, it is characterized in that: described electromagnetic brake body (181) is provided with the brake remover (186) being electrically connected to described electromagnet (182), described motor rotor (14) or the second output shaft (16) are by brake remover (186) state that unlocks of energising, and the brake remover (186) of power-off makes motor rotor (14) or the second output shaft (16) keep lock state.
8. by the power transmission mechanism of electric carrier described in claim 1, it is characterized in that: described housing (11) comprises body (111) and is arranged on respectively the capping (112) at body (111) two ends, described the first output shaft (13) and the second output shaft (16) are passed by the capping (112) at body (111) two ends respectively, and by bearing and described capping (112), are rotationally connected respectively.
9. by the power transmission mechanism of electric carrier described in claim 1, it is characterized in that: described the first planet slowdown module (15) comprises the first sun gear (151), the first planet carrier (152), first ring generating gear (154) and a plurality of the first planetary pinion (153), this the first sun gear (151) is arranged on a side of described motor rotor (14), with motor rotor (14) synchronous rotary, described first ring generating gear (154) is positioned at a side of motor rotor (151), described the first planet carrier (152) is rotationally connected with in this first ring generating gear (154), described the first output shaft (13) is successively through the first sun gear (151), the first planet carrier (152), and with described first ring generating gear (154) interlock, described a plurality of the first planetary pinions (153) are rotatably installed in respectively the first planet carrier (152) towards a side of the first sun gear (151), and along the circumferential direction uniform, each first planetary pinion (153) all meshes with described the first sun gear (151), and all meshes with described first ring generating gear (154).
10. by the power transmission mechanism of electric carrier described in claim 9, it is characterized in that: described the second planetary reduction gear module (17) comprises secondary sun wheel (171), the second planet carrier (172), the second ring gear (174) and a plurality of the second planetary pinion (173), this secondary sun wheel (171) is arranged on a side of described first ring generating gear (154), with first ring generating gear (154) synchronous rotary, described the second planet carrier (172) is arranged in housing (11), and described secondary sun wheel (171) is arranged in the axle center of the second planet carrier (172); It is upper that described a plurality of the second planetary pinions (173) are rotatably installed in respectively the second planet carrier (172), and along the circumferential direction uniform, and each second planetary pinion (173) all meshes with described secondary sun wheel (171); Described the second ring gear (174) is coated on the outside of the second planet carrier (172), and be meshed with each second planetary pinion (173), described the second output shaft (16) is successively through secondary sun wheel (171), the second planet carrier (173), and with described the second ring gear (174) interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350561.XU CN203926626U (en) | 2014-06-27 | 2014-06-27 | A kind of power transmission mechanism of electric carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350561.XU CN203926626U (en) | 2014-06-27 | 2014-06-27 | A kind of power transmission mechanism of electric carrier |
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| CN203926626U true CN203926626U (en) | 2014-11-05 |
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| CN201420350561.XU Expired - Fee Related CN203926626U (en) | 2014-06-27 | 2014-06-27 | A kind of power transmission mechanism of electric carrier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221671A (en) * | 2014-06-27 | 2016-01-06 | 林美华 | The power transmission mechanism of electric carrier |
| CN109654169A (en) * | 2019-01-31 | 2019-04-19 | 深圳市兴龙辉科技有限公司 | A kind of both ends formula deceleration device of shared motor power source high efficiency output |
| CN109863671A (en) * | 2016-08-24 | 2019-06-07 | Cts公司 | Modular vehicle engine components actuator |
-
2014
- 2014-06-27 CN CN201420350561.XU patent/CN203926626U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221671A (en) * | 2014-06-27 | 2016-01-06 | 林美华 | The power transmission mechanism of electric carrier |
| CN105221671B (en) * | 2014-06-27 | 2019-04-12 | 林美华 | The power transfer mechanism of electric carrier |
| CN109863671A (en) * | 2016-08-24 | 2019-06-07 | Cts公司 | Modular vehicle engine components actuator |
| CN109654169A (en) * | 2019-01-31 | 2019-04-19 | 深圳市兴龙辉科技有限公司 | A kind of both ends formula deceleration device of shared motor power source high efficiency output |
| CN109654169B (en) * | 2019-01-31 | 2024-06-04 | 深圳市领峰实业科技有限公司 | Two-end type speed reducer sharing high-efficiency output of motor power source |
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