CN208827567U - The drive system of electro-tricycle - Google Patents
The drive system of electro-tricycle Download PDFInfo
- Publication number
- CN208827567U CN208827567U CN201821161423.1U CN201821161423U CN208827567U CN 208827567 U CN208827567 U CN 208827567U CN 201821161423 U CN201821161423 U CN 201821161423U CN 208827567 U CN208827567 U CN 208827567U
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- gear
- output shaft
- input shaft
- shaft
- assistor
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Abstract
The utility model relates to electric automobiles, more particularly to the drive system of electro-tricycle, including driving device, assistor, transmission tube, planetary gear assembly and rear axle assy, it is characterized by: the driving device is decelerating motor, the output shaft of decelerating motor is connected to the transmission tube with universal shaft, the other end of transmission tube is connected to assistor, and the other end of assistor is connected to the input shaft of planetary gear assembly, and the output shaft of planetary gear assembly is connected to rear axle assy；Assistor is the modulus and reference diameter for redesigning each gear, compares the transmission ratio of gear transmission again, and goal of the invention is the transmission ratio for reducing gear, increases the torque of rear axle assy output, improves the grade climbing performance of electric vehicle, and few power consumption is more energy efficient；Motor is changed to decelerating motor, it is ensured that avoiding revolving speed from improving when exporting high-power, then torque is increased by assistor, improves the grade climbing performance of electric vehicle.
Description
Technical field
The utility model relates to electric automobiles, and in particular to the drive system of electro-tricycle.
Background technique
The drive system that existing electro-tricycle uses includes motor, assistor, transmission tube, planetary gear assembly and rear axle
Assembly exports connection transmission tube by motor, and the transmission tube other end connects assistor, and power is exported by assistor to planetary gear again
Assembly finally sends rear axle to, but this drive system is simple by motor drive assistor, such power now
Source is high-power to export, and to increase electric current, and revolving speed will increase, and is unfavorable for increasing torque again after increasing revolving speed, but if
Revolving speed, output power and smaller, steeper for gradient place are reduced, electro-tricycle, which just seems, to be short of power, can not be steady
Pass through.
Summary of the invention
In view of the technical problems existing in the prior art, the utility model provides a kind of drive system of electro-tricycle,
Motor is changed to decelerating motor, it is ensured that avoiding revolving speed from improving when exporting high-power, then assistor is adjusted and increases torque, mention
The grade climbing performance of high electric vehicle.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
The drive system of electro-tricycle, including driving device, assistor, transmission tube, planetary gear assembly and rear axle are total
Be decelerating motor at, the driving device, the output shaft of decelerating motor is connected to the transmission tube with universal shaft, transmission tube it is another
One end is connected to assistor, and the other end of assistor is connected to the input shaft of planetary gear assembly, the output of planetary gear assembly
Axis connection rear axle assy.
The common direct insertion motor for generating driving torque is changed to coaxial-type helical teeth on the basis of existing technology by the design
Take turns decelerating motor, the abbreviation that coaxial-type helical gear reducing motor is motor and retarder is combined into one, The gear deceleration as its name suggests,
It is exactly the n group gear with the different numbers of teeth, the shaft revolving speed of motor is reduced to the revolving speed of your needs, decelerating motor can be by former revolving speed
4200(unit rev/min) it is reduced to 700(unit rev/min), guarantee that decelerating motor revolving speed when exporting high-power will not increase suddenly
Height carries out secondary reinforcing in conjunction with assistor, so that torque increases, can more embody the grade climbing performance of electro-tricycle.
And it is had the advantages that using decelerating motor
1, coaxial-type helical gear reducing motor is compact-sized, small in size, handsome in appearance, and it is strong to bear overload capacity.
2, transmission ratio classification is fine, and range of choice is wide, rotary speed type spectrum width, range i=2-28800.
3, low energy consumption, superior performance, and retarder efficiency is up to 96 percent, with small vibration, low noise.
4, versatile, working service is convenient, and maintenance cost is low, especially production line, only needs the several transmissions of standby internal
Part can guarantee the maintenance that whole line normally produces.
5, using new type sealing device, protective value is good, strong to environmental suitability, can have the severe ring such as burn into humidity
Continuous work in border.
6, this series of products can match common Y-series, Y2 series, bridge motor, anti-riot motor, braking motor, variable-frequency electric
The various motors such as machine, direct current generator, outdoor type motor special.
Further limit, the assistor include input shaft, input shaft pinion gear, power shift gear, input shaft gear wheel and
Shift fork, wherein one end of the input shaft are connected to transmission tube, and input shaft pinion gear, power shift gear, input shaft gear wheel are successively
It covers on input shaft from left to right, shift fork is against on power shift gear, and the input shaft pinion gear and input shaft gear wheel are with outer
Fluted disc, with outer tooth disk input shaft pinion gear and input shaft gear wheel on to side be equipped with inner hole tooth, power shift gear with
Inner hole tooth engagement, wherein power shift gear is in I-shaped, and shift fork is against the intermediate lowest position of power shift gear, and shift fork will shift gears tooth
Take turns toward two sides stir when, power shift gear is just engaged with the input shaft pinion gear of two sides and input shaft gear wheel；
It further include output shaft, output shaft gear wheel, output shaft pinion gear, the output shaft gear wheel and output shaft pinion gear
It is set on the output shaft, wherein output shaft gear wheel is engaged with input shaft pinion gear, and output shaft pinion gear is nibbled with input shaft gear wheel
It closes, the output shaft is connect with planetary gear assembly.
The number of teeth of the input shaft pinion gear is 17, modulus 2.75, reference diameter 46.75；The power shift gear
The number of teeth be 16, modulus 2；The number of teeth of the input shaft gear wheel is 24, modulus 3, reference diameter 72；
The number of teeth of the output shaft gear wheel is 23, modulus 2.75, reference diameter 63.25；The output shaft is small
The number of teeth of gear is 12, modulus 2, reference diameter 36.
The design distinctive points compared with prior art of assistor are mainly: the number of teeth of each transmission gear, modulus and point
Degree circle is not identical, compares the transmission ratio of gear transmission again, and goal of the invention is the transmission ratio for reducing gear, and it is defeated to increase rear axle assy
Torque out improves the grade climbing performance of electric vehicle, few power consumption, more energy efficient.
It further limits, the planetary gear assembly includes planet driving gear, two planet driven gears, the active
Gear is set on the output shaft, and described two planet driven gears are symmetrically engaged on driving gear, and planet driven tooth wheel case
On planetary output shaft, the rear axle assy includes left half axle and right axle shaft, the planetary output shaft be respectively fitted over left half axle and
In right axle shaft, wherein planet driving gear and planet driven gear are helical teeth；The number of teeth of the planet driving gear is 15,
Modulus is 3.58, and the number of teeth of the planet driven gear is 34, modulus 3.85.
It further limits, the left half axle is equal to the length of right axle shaft, such decelerating motor, transmission tube, assistor and row
Star gear assembly is designed in the middle position of rear axle assy, guarantees the steadily of centre of gravity of entire electric vehicle, and this pattern is arranged
Production and vehicle is facilitated to assemble, and transmission torque is uniform.
It further limits, the length of the left half axle is longer or shorter than the length of right axle shaft, although left and right semiaxis is equal just
In production, transmission torque is uniform, but the space layout of electric vehicle is not compact, can not arrange other parts again, this design side of being
Just transmission tube, decelerating motor and assistor offset electric vehicle chassis middle design, deviate the position of centre of gravity of electric vehicle, left and right is moved
It is dynamic to convert the position being connected on rear axle assy, vacating space can be arranged for electric vehicle chassis, be easily installed self-unloading cylinder etc.,
It is particularly suitable on the electro-tricycle with self-unloading tipping bucket.
It further limits, the length difference of the left half axle and right axle shaft is less than 400mm, means transmission tube, decelerating motor
It is no more than 400mm with the position of the offset such as assistor rear axle assy middle.
Detailed description of the invention
Fig. 1 is the drive system schematic view of the front view of the electro-tricycle of embodiment one；
Fig. 2 is the drive system left view structural representation of the electro-tricycle of embodiment one；
Fig. 3 is the drive system schematic view of the front view of the electro-tricycle of embodiment two.
Specific embodiment
In order to which those skilled in the art may be better understood, with reference to the accompanying drawings and examples to the utility model
Technical solution further illustrates.
Embodiment one: the drive system of electro-tricycle as shown in Figure 1 and Figure 2, including driving device, assistor 1, biography
Dynamic pipe 2, planetary gear assembly 3 and rear axle assy 4, the driving device is decelerating motor 5, when the left and right half of rear axle assy 4
When (41,42) are equal, the decelerating motor 5 be in set decelerating motor, the output shaft of decelerating motor 5 is connected to the biography with universal shaft
Dynamic 2 one end of pipe, the other end of transmission tube 2 are connected to assistor 1, and the other end of assistor 1 is connected to planetary gear assembly 3, row
Star gear assembly 3 is connected on rear axle assy 4.
In the present embodiment, the assistor 1 includes shell 10, input shaft 11, input shaft pinion gear 12, power shift gear
13, input shaft gear wheel 14 and shift fork 15, wherein one end of the input shaft 11 are connected to transmission tube 2, and the both ends of transmission tube 2 are logical
It crosses rolling bearing 16 to be mounted on shell 10, input shaft pinion gear 12, power shift gear 13 and input shaft gear wheel 14 are successively from a left side
To right set on input shaft 11, the input shaft pinion gear 12 and input shaft gear wheel 14 have outer tooth disk, are having outer tooth disk
Input shaft pinion gear 12 and input shaft gear wheel 14 on inner hole tooth 17 is equipped with to side, power shift gear 13 nibbles with inner hole tooth 17
It closes, wherein power shift gear 13 is in I-shaped, and shift fork 15 is against the intermediate lowest position of power shift gear 13, and shift fork 15 will shift gears tooth
When wheel 13 is stirred toward two sides, power shift gear 13 is just engaged with the input shaft pinion gear 12 of two sides and input shaft gear wheel 14；
Assistor 1 further includes output shaft 18, output shaft gear wheel 19, output shaft pinion gear 20, the output shaft gear wheel 19 and output
20 sets of axis pinion gear on output shaft 18, when shift fork 15 stirs the inner hole tooth 17 that power shift gear 13 is engaged on input shaft pinion gear 12
When upper, output shaft gear wheel 19 is engaged with input shaft pinion gear 12, and when shift fork 15 stirs power shift gear 13, to be engaged on input shaft big
When on the inner hole tooth 17 of gear 14, output shaft pinion gear 20 is engaged with input shaft gear wheel 12, by engaging the different numbers of teeth and dividing
The gear of circular diameter is spent to adjust transmission ratio, increases torque, and the output shaft 18 is connect with planetary gear assembly 3, different gears
Engagement can generate different transmission ratios, the torque that output shaft 18 sends rear axle assy 4 to can also generate variation.
The number of teeth of the input shaft pinion gear 12 is 17, modulus 2.75, reference diameter 46.75；The shift tooth
The number of teeth of wheel 13 is 16, modulus 2；The number of teeth of the input shaft gear wheel 14 is 24, modulus 3, reference diameter 72.
The number of teeth of the output shaft gear wheel 19 is 23, modulus 2.75, reference diameter 63.25；The output shaft
The number of teeth of pinion gear 20 is 12, modulus 2, reference diameter 36.
When shift fork 15 is allocated to left side by power shift gear 13 engages input shaft pinion gear 12 with output shaft gear wheel 19,
The transmission ratio of input shaft pinion gear 12 and output shaft gear wheel 19 is: I1=input shaft pinion gear/output shaft gear wheel=46.75/
63.25≈0.74。
When shift fork 15 is allocated to right side by power shift gear 13 engages input shaft gear wheel 14 with output shaft pinion gear 20,
Input shaft gear wheel 14 and the transmission ratio of output shaft pinion gear 20 are: I2=input shaft gear wheel/output shaft pinion gear=72/36=
2。
So the output transmission ratio of entire assistor 1 is I12= I1×I2=0.74×2=1.48.The structure of entire assistor
Belong to the prior art, the inventive point in the application is the number of teeth, modulus and the reference circle for redesigning 1 middle gear of assistor, to change
Become the transmission ratio of entire assistor 1, used convenient for matching decelerating motor 5 and rear axle assy 4, to change tricycle traveling torque.
In the present embodiment, the planetary gear assembly 3 includes 31, two planet driven gears 32 of planet driving gear,
On output shaft 18, described two planet driven gears 32 are symmetrically engaged on driving gear 31 31 sets of the driving gear, and
And 32 sets of planet driven gear on planetary output shaft 33, the rear axle assy 4 includes left half axle 41 and right axle shaft 42, the row
Star output shaft 33 is respectively fitted in left half axle 41 and right axle shaft 42, and wherein planet driving gear 31 and planet driven gear 32 are
Helical teeth.
The number of teeth of the planet driving gear 31 is 15, and the number of teeth of modulus 3.58, the planet driven gear 32 is
34, modulus 3.85.The transmission ratio I3 of planetary gear assembly 3=planet driving gear/planet driven gear=15/34 ≈ 0.44,
So the revolving speed of decelerating motor 5 by assistor 1 and planetary gear assembly 3 output to rear axle assy 4 transmission ratio be I123=
I12×I3=1.48×0.44≈0.65.Transmission ratio compared with the existing technology, the transmission ratio in the application reduce, such torque
It is just opposite to increase, the driving performance of electro-tricycle can be improved.
In the present embodiment, the left half axle 41 is equal to the length of right axle shaft 42.So that the center of gravity of electric vehicle is in vehicle
The middle of bottom, planetary gear assembly 3 are connected to the middle position of rear axle assy 4, the left half axle 41 of such rear axle assy 4
It is grown as right axle shaft 42.
In example 2, as shown in figure 3, the length of the left half axle 41 is longer than the length of right axle shaft 42, the left side half
The length difference of axis 41 and right axle shaft 42 is less than 400mm, and the decelerating motor 5 used at this time is offset motor.Assistor 1 and planet
Gear assembly 3, which can turn right or turn left on rear axle assy 4, deviates installation, so that transmission tube 2 deviates the middle of electric vehicle
Position, toward offset installation from left to right.
It should be noted that design assembly principle is similarly in reality when the length for being shorter in length than right axle shaft 42 of left half axle 41
Example two is applied, protection is similarly obtained.
The drive system of electro-tricycle provided by the utility model is described in detail above, specific embodiment
Illustrate the method and its core concept for being merely used to help understand the utility model.It should be pointed out that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvement can also be carried out to the utility model
And modification, such as decelerating motor output shaft perpendicular to rear axle assy semiaxis axial direction install, and be suitable for Length discrepancy
Left half axle and right axle shaft rear axle assy, convenient for drive mechanism deviate tricycle center, can be made offset slow down electricity
Machine also falls into the utility model claims convenient for devices, these improvement and modification such as tricycle arrangement container Hydraulic for lifting load
In protection scope.
Claims (6)
1. the drive system of electro-tricycle, including driving device, assistor, transmission tube, planetary gear assembly and rear axle assy,
It is characterized by: the driving device is decelerating motor, the output shaft of decelerating motor is connected to the transmission tube with universal shaft, passes
The other end of dynamic pipe is connected to assistor, and the other end of assistor is connected to planetary gear assembly, after planetary gear assembly is connected in
On axle assembly.
2. the drive system of electro-tricycle according to claim 1, it is characterised in that: the assistor includes input
Wherein one end of axis, input shaft pinion gear, power shift gear, input shaft gear wheel and shift fork, the input shaft is connected to transmission tube,
Input shaft pinion gear, power shift gear, input shaft gear wheel successively cover on input shaft from left to right, and shift fork is against power shift gear
On, the input shaft pinion gear and input shaft gear wheel have outer tooth disk, in the input shaft pinion gear and input for having outer tooth disk
Inner hole tooth, power shift gear and inner hole tooth engagement are equipped with to side on axis gear wheel, wherein power shift gear is in I-shaped, and shift fork supports
In the intermediate lowest position of power shift gear, when shift fork stirs power shift gear toward two sides, the power shift gear just input with two sides
Axis pinion gear and input shaft gear wheel are engaged；
It further include output shaft, output shaft gear wheel, output shaft pinion gear, the output shaft gear wheel and output shaft pinion gear cover
On output shaft, wherein output shaft gear wheel is engaged with input shaft pinion gear, and output shaft pinion gear is engaged with input shaft gear wheel, institute
Output shaft is stated to connect with planetary gear assembly；
The number of teeth of the input shaft pinion gear is 17, modulus 2.75, reference diameter 46.75；The tooth of the power shift gear
Number is 16, modulus 2；The number of teeth of the input shaft gear wheel is 24, modulus 3, reference diameter 72；
The number of teeth of the output shaft gear wheel is 23, modulus 2.75, reference diameter 63.25；The output shaft pinion gear
The number of teeth be 12, modulus 2, reference diameter 36.
3. the drive system of electro-tricycle according to claim 2, it is characterised in that: the planetary gear assembly includes
Planet driving gear, two planet driven gears, the driving gear are set on the output shaft, and planet driven tooth wheel case is expert at
On star output shaft, the rear axle assy includes left half axle and right axle shaft, and the planetary output shaft is respectively fitted over left half axle and right half
In axis, wherein planet driving gear and planet driven gear are helical teeth；
The number of teeth of the planet driving gear is 15, modulus 3.58, and the number of teeth of the planet driven gear is 34, and modulus is
3.85。
4. the drive system of electro-tricycle according to claim 3, it is characterised in that: the left half axle is equal to right axle shaft
Length.
5. the drive system of electro-tricycle according to claim 3, it is characterised in that: the length of the left half axle is longer than
Or the length of shorter than right axle shaft.
6. the drive system of electro-tricycle according to claim 4, it is characterised in that: the left half axle and right axle shaft
Length difference is less than 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161423.1U CN208827567U (en) | 2018-07-23 | 2018-07-23 | The drive system of electro-tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161423.1U CN208827567U (en) | 2018-07-23 | 2018-07-23 | The drive system of electro-tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208827567U true CN208827567U (en) | 2019-05-07 |
Family
ID=66307032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821161423.1U Expired - Fee Related CN208827567U (en) | 2018-07-23 | 2018-07-23 | The drive system of electro-tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208827567U (en) |
-
2018
- 2018-07-23 CN CN201821161423.1U patent/CN208827567U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20200723 |