CN209505456U - Automobile large speed ratio double speed power assembly - Google Patents
Automobile large speed ratio double speed power assembly Download PDFInfo
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- CN209505456U CN209505456U CN201822094753.XU CN201822094753U CN209505456U CN 209505456 U CN209505456 U CN 209505456U CN 201822094753 U CN201822094753 U CN 201822094753U CN 209505456 U CN209505456 U CN 209505456U
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- gear
- output shaft
- ring gear
- power assembly
- pivoted arm
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Abstract
The utility model discloses a kind of automobile large speed ratio double speed power assemblies, motor driven output shaft is to output power, double planetary mechanism is drivingly connected between motor and output shaft, when the forward gear for selecting similar bidirectional ratchet mechanism and reverse gear position when, automatic realization low-speed forward keeps off and reverses gear and bottom gear energy regenerating drive mode, simultaneously, top gear and bottom gear are realized by the closure and release of similar pincers disk selector, the switching of the power-interruption free of parking and neutral position sliding, power assembly is small in size, vibrating noise is small, shift control is succinct, large speed ratio high speed difference, it is lost small, high reliablity and it is at low cost the features such as, it is big suitable for driving torque speed difference, it is high-efficient, spatial volume is small and the electrical vehicular power assembly of inexpensive demand.
Description
Technical field
The utility model relates to vehicle engine assembly technical fields, in particular to automobile large speed ratio double speed power assembly.
Background technique
With the fast development of pure electric vehicle market, some sectionalization special purpose vehicles field power assembly is proposed
Demand, such as: environmental sanitation cleaning vehicle, sprinkling truck, atomizing de-dusting vehicle, agri-vehicle etc. generally require the type vehicle low
Speed large torque traveling, the small torque traveling of the high speed of off working state demand, 5~8 times of the two rate or so；Such vehicle electrical is driven
Dynamic to first have to consider the driving of working condition high efficiency, this requires to be set in working condition attached for motor-driven rated speed point
Closely, motor speed is up to 5~8 times of rated speeds to inoperative when driving, if using fixed speed ratio or the fast speed change of small speed ratio two
Case scheme is all difficult to obtain optimal drive efficiency, therefore, it is urgently to be resolved to become such refinement Engines Used In Special Vehicle assembly at present
A problem.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of structures is simple, vibrating noise is small, shift control is succinct,
Automobile large speed ratio double speed power assembly small, at low cost is lost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows: a kind of automobile large speed ratio double speed power is total
At motor driven output shaft drivingly connects double planetary mechanism to output power between the motor and output shaft.
Further, the double planetary mechanism includes the first planet row and the second planet row；The first planet row packet
Include the first sun gear, the first planetary gear, the first ring gear and the first pivoted arm；First sun gear and first planet
External toothing, first planetary gear and the first ring gear internal messing are taken turns, first planetary gear is mounted on described first turn
On arm；Second planet row includes the second sun gear, the second planetary gear, the second ring gear and the second pivoted arm；Described second too
Sun wheel and the second planetary gear external toothing, second planetary gear and the second ring gear internal messing, second planet
Wheel is mounted on second pivoted arm；First ring gear is connect by terminal pad with the second pivoted arm, and second pivoted arm passes
Dynamic output shaft.
Further, the double planetary mechanism is connect by the first sun wheel shaft with the pincers disk gearshift, described
Double planetary mechanism is connect by the second ring gear with the bidirectional ratchet mechanism.
Further, the pincers disk gearshift includes the first sun wheel shaft, shifting disc and selector；First sun
Wheel be fixedly connected by the first sun wheel shaft with the shifting disc, the shifting disc be mounted on the selector left and right module it
Between, the selector is connect by electric line with the controller；Shifting disc for measuring the rotary regimes of shifting disc tests the speed
Sensor is mounted on cabinet.
Further, the double planetary mechanism mating connection bidirectional ratchet mechanism, the bidirectional ratchet mechanism include double
To ratchet, the pawl that reverses gear, forward gear pawl, reset spring, ratchet control lever shaft, spring bearing, deceleration unit and shift motor；Institute
It states bidirectional ratchet to be mounted on cabinet by spring bearing, the right and left of the bidirectional ratchet, which is respectively machined with, reverses gear pawl with before
Into gear pawl, the bidirectional ratchet is fixedly connected by ratchet control lever shaft with the output shaft of deceleration unit and shift motor, described
The fixing end of reset spring is mounted on cabinet.
Further, the reset spring is bidirectional torsion spring, and there are two swing arms for the bidirectional torsion spring processing, often
A swing arm is respectively and fixedly installed to the forward gear pawl and reverses gear on pawl.
Further, multiple convex teeth are uniformly machined on the excircle of second ring gear, for measuring the second internal tooth
The ring gear velocity sensor of the speed state of circle is mounted on cabinet.
Further, the side of the output shaft is equipped with the output shaft velocity sensor for measuring output shaft revolving speed,
Output gear, the first pivoted arm and the rigid connection of the second sun gear are fixedly mounted or are directly machined on the excircle of first pivoted arm.
Further, further include vehicle power supply and controller, the vehicle power supply and motor by electric line respectively with control
Device processed connection, the controller respectively with ring gear velocity sensor, output shaft velocity sensor and shifting disc velocity sensor
Connection.
Implement above-mentioned technical proposal, it is similar two-way when selecting since motor is by double planetary mechanism transmission output shaft
The forward gear of ratchet mechanism and reverse gear position when, it is automatic to realize low-speed forward gear and reverse gear and bottom gear energy regenerating driving mould
Formula, meanwhile, top gear and bottom gear, parking and neutral position sliding are realized by the closure and release of similar pincers disk selector
Power-interruption free switching, power assembly is small in size, vibrating noise is small, shift control is succinct, large speed ratio high speed difference, loss are small,
High reliablity and it is at low cost the features such as, be suitable for that driving torque speed difference is big, high-efficient, spatial volume is small and inexpensive demand
Electrical vehicular power assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automobile large speed ratio double speed power assembly；
Fig. 2 is the structural schematic diagram of bidirectional ratchet mechanism.
In figure: 1- motor, 2- input shaft, 3- input gear, 4- output gear, the first ring gear of 5-, the first planetary gear of 6-,
The first sun gear of 7-, the first sun wheel shaft of 8-, 9- keep off shifting disc, and 10- keeps off selector, the first pivoted arm of 11-, 12- output shaft, 13-
Terminal pad, the second pivoted arm of 14-, the second planetary gear of 15-, the second ring gear of 16-, the second sun gear of 17-, 18- bidirectional ratchet, 19-
Spring bearing, 20- ratchet control lever shaft, 21- deceleration unit, 22- shift motor, 23- reset spring, 24- reverse gear pawl, before 25-
Into gear pawl, 26- ring gear velocity sensor, 27- output shaft velocity sensor, 28- shifting disc velocity sensor, 29- control
Device, 30- vehicle power supply, the convex tooth of 31-, A- drive shift direction, B- reverse gear direction.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, automobile large speed ratio double speed power assembly, including motor 1, double planetary mechanism, bidirectional ratchet mechanism,
Clamp disk gearshift, vehicle power supply 30 and controller 29, wherein motor 1 is co-axially mounted with input gear 3, output gear 4 with pair
Rows of planetary mechanism is co-axially mounted, and vehicle power supply 30 and motor 1 are connect by electric line with controller 29.
Double planetary mechanism includes the first planet row and the second planet row.Wherein the first planet row include the first sun gear 7,
First planetary gear 6, the first ring gear 5 and the first pivoted arm 11；6 external toothing of first sun gear 7 and the first planetary gear, the first planetary gear
6 and 5 internal messing of the first ring gear, the first planetary gear 6 be mounted on the first pivoted arm 11.Second planet row includes the second sun gear
17, the second planetary gear 15, the second ring gear 16 and the second pivoted arm 14；15 external toothing of second sun gear 17 and the second planetary gear, the
16 internal messing of two planetary gears 15 and the second ring gear, the second planetary gear 15 are mounted on the second pivoted arm 14.
Motor 1 is connect by input shaft 2 with input gear 3, input gear 3 and 4 external toothing of output gear；First ring gear
5 are rigidly connected by terminal pad 13 and the second pivoted arm 14, the second pivoted arm 14 and the rigid connection of output shaft 12, and output shaft tests the speed sensing
Device 27 is mounted on 12 output end side of output shaft, for measuring 12 revolving speed of output shaft；Output gear 4 is fixedly mounted or directly processes
On the excircle of the first pivoted arm 11, the first pivoted arm 11 and the rigid connection of the second sun gear 17.
Clamping disk gearshift includes the first sun wheel shaft, shifting disc and selector；First sun gear 7 passes through the first sun gear
Axis 8 and shifting disc 9 are rigidly connected, and shifting disc velocity sensor 28 is pressed to be installed with certain radial clearance of the excircle of shifting disc 9
On cabinet, for measuring the rotary regimes of shifting disc 9；Shifting disc 9 rubs by the left and right that certain interval is mounted on selector 10
Between block, selector 10 is connect by electric line with controller 29.
Multiple convex teeth 31 are uniformly machined on the excircle of second ring gear 16, ring gear velocity sensor 26 is pressed and second
31 excircle of convex tooth of ring gear 16 keeps certain radial clearance to be mounted on cabinet.
As shown in Fig. 2, bidirectional ratchet mechanism includes bidirectional ratchet 18, the pawl 24 that reverses gear, forward gear pawl 25, reset spring
23, ratchet control lever shaft 20, spring bearing 19, deceleration unit 21 and shift motor 22.Wherein, bidirectional ratchet 18 passes through spring bearing
19 are mounted on cabinet, and bidirectional ratchet 18 or so is respectively machined with reverse gear pawl 24 and forward gear pawl 25, and bidirectional ratchet 18 passes through
The output shaft 12 of ratchet control lever shaft 20 and deceleration unit 21 and shift motor 22 is rigidly connected, the fixing end peace of the reset spring 23
Mounted in cabinet, reset spring 23 is bidirectional torsion spring, and there are two swing arm, each swing arm is solid respectively for bidirectional torsion spring processing
Dingan County is mounted in forward gear pawl 25 and reverses gear on pawl 24.
Automobile large speed ratio double speed power assembly can provide following four drive mode:
1, it advances at utmost speed and keeps off drive mode
When the high speed of vehicle demand when driving, controller 29 to selector 10 issue close command, meanwhile, to shift motor
22 issue holding neutral gear position instruction, and in turn, the left and right friction block of selector 10 clamps locking shifting disc 9, when shifting disc tests the speed
When sensor 28 detects that the revolving speed of shifting disc 9 is zero, top gear switching is completed.With rigidly connected first sun of shifting disc 9
Wheel 7 is in lockup state, meanwhile, the forward gear pawl 25 of bidirectional ratchet 18 and the pawl 24 that reverses gear all are detached from the second ring gear 16
Convex alveolus, the second ring gear 16 are in and state are freely rotated.The demand that controller 29 responds driver obtains from vehicle power supply 30
Electric energy is obtained, passes to motor 1 after being processed into demand electrical feature, which is converted into being transmitted after power by input shaft 22 by motor 1
To input gear 3, input gear 3 imparts power to output gear 4, since the first sun gear 7 is in lockup state and second
Ring gear 16 is in and state is freely rotated, and in turn, output gear 4 imparts power to the first pivoted arm 11, and the first pivoted arm 11 will move
Power passes to the first ring gear 5 through the first planetary gear 6, and the first ring gear 5 passes power through terminal pad 1313 and the second pivoted arm 14
Pass the output of output shaft 12.Input shaft 22 and output shaft 12 meet following rotation speed relation formula under the mode:
Wherein: the number of teeth of Z1 expression input gear 3；The number of teeth of Z2 expression output gear 4；Z3 indicates the first sun gear 7
The number of teeth；Z4 indicates the number of teeth of the first ring gear 5；Z5 indicates the number of teeth of the second sun gear 17；Z6 indicates the tooth of the second ring gear 16
Number；The revolving speed of n1 expression input shaft 22；The revolving speed of n2 expression output shaft 12；(-) indicates 1 choice direction of motor and output shaft 12
Direction of rotation is opposite.
2, low-speed forward keeps off drive mode
When speed low in vehicle demand when driving, controller 29 to selector 10 sending release order, i.e., shifting disc 9 is in
State is freely rotated, in turn, the first sun gear 7 is in and state is freely rotated；Meanwhile controller 29 refers to the sending of shift motor 22
It enabling, shift motor 22 drives ratchet control lever shaft 20 to deflect counterclockwise by deceleration unit 21, after deflecting certain angle, shift electricity
Machine 22 shuts down, and forward gear pawl 25 enters in the alveolus that the adjacent convex tooth 31 of the second ring gear 16 is formed, and reverse gear pawl 24
31 excircle of convex tooth far from the second ring gear 16；At this point, the second ring gear 16, which has, rotates clockwise trend, forward gear pawl
25 pass through convex 31 the second ring gear of locking 16 of tooth；The demand that controller 29 responds driver obtains electric energy from vehicle power supply 30,
Motor 1 is passed to after being processed into demand electrical feature, which is converted into passing to input tooth by input shaft 22 after power by motor 1
Wheel 3, input gear 3 imparts power to output gear 4, and state and the second internal tooth is freely rotated since the first sun gear 7 is in
Circle 16 is in lockup state, and in turn, output gear 4 imparts power to the first pivoted arm 11, and the first pivoted arm 11 imparts power to
Power is passed to the second pivoted arm 14, the transmitting of the second pivoted arm 14 through the second planetary gear 15 by the second sun gear 17, the second sun gear 17
It is exported to output shaft 12.
Input shaft 22 and output shaft 12 meet following rotation speed relation formula under the mode:
3, low speed reverses gear drive mode
When vehicle demand low speed reverses gear when driving, controller 29 is issued to selector 10 to be kept releasing order, meanwhile, control
Device 29 is issued to shift motor 22 and is instructed, and shift motor 22 drives ratchet control lever shaft 20 to deflect counterclockwise by deceleration unit 21,
After deflecting certain angle, shift motor 22 shuts down, and the pawl 24 that reverses gear enters adjacent convex 31 shape of tooth of the second ring gear 16
At alveolus in, convex tooth 31 excircle of the forward gear pawl 25 far from the second ring gear 16；At this point, the second ring gear 16 is with inverse
Hour hands rotate trend, and the pawl 2425 that reverses gear passes through convex 31 the second ring gear of locking 16 of tooth.The demand of the response driver of controller 29
Electric energy is obtained from vehicle power supply 30, passes to motor 1 after being processed into demand electrical feature, which is converted into reversely by motor 1
Input gear 3 is passed to by input shaft 22 after rotation (opposite forward gear) power, input gear 3 imparts power to output gear
4, state is freely rotated and the second ring gear 16 be in lockup state since the first sun gear 7 is in, in turn, the general of output gear 4
Power passes to the first pivoted arm 11, and the first pivoted arm 11 imparts power to the second sun gear 17, and the second sun gear 17 passes through power
Second planetary gear 15 passes to the second pivoted arm 14, and the second pivoted arm 14 passes to the output of output shaft 12.
4, neutral gear and park mode
When vehicle demand neutral gear or park mode, controller 29 is issued to selector 10 to be kept releasing order, meanwhile, control
Device 29 processed is issued to shift motor 22 keeps neutral gear instruction, i.e. shifting disc 9 is in and state is freely rotated, in turn, the first sun gear 7
In state is freely rotated；Forward gear pawl 25 and the pawl 24 that reverses gear are all far from 31 excircle of convex tooth of the second ring gear 16, and
Two ring gears 16 are in the state that is freely rotated, and input shaft 22 and output shaft 12 are in power interruption mode, i.e. realization neutral mode；
Controller 29 issues close command to selector 10, and selector 10 clamps braking shifting disc 9 by left and right friction block, in turn, the
Two sun gears 17 are locked up；Controller 29 is issued to shift motor 22 and is instructed, and shift motor 22 drives spine by deceleration unit 21
It takes turns control lever shaft 20 to deflect counterclockwise, 25 the second ring gear of locking 16 of forward gear pawl, in turn, double planetary mechanism is in locking shape
State realizes park mode.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (8)
1. a kind of automobile large speed ratio double speed power assembly, motor driven output shaft is to output power, it is characterised in that: the electricity
Double planetary mechanism is drivingly connected between machine and output shaft；The double planetary mechanism mating connection bidirectional ratchet mechanism, institute
State bidirectional ratchet mechanism include bidirectional ratchet, the pawl that reverses gear, forward gear pawl, reset spring, ratchet control lever shaft, spring bearing,
Deceleration unit and shift motor；The bidirectional ratchet is mounted on cabinet by spring bearing, the left and right two of the bidirectional ratchet
Side is respectively machined with reverse gear pawl and forward gear pawl, and the bidirectional ratchet passes through ratchet control lever shaft and deceleration unit and shift motor
Output shaft be fixedly connected, the fixing end of the reset spring is mounted on cabinet.
2. automobile large speed ratio double speed power assembly according to claim 1, which is characterized in that the double planetary mechanism packet
Include the first planet row and the second planet row；
First planet row includes the first sun gear, the first planetary gear, the first ring gear and the first pivoted arm；First sun
Wheel and the first planetary gear external toothing, first planetary gear and the first ring gear internal messing, first planetary gear
It is mounted on first pivoted arm；
Second planet row includes the second sun gear, the second planetary gear, the second ring gear and the second pivoted arm；Second sun
Wheel and the second planetary gear external toothing, second planetary gear and the second ring gear internal messing, second planetary gear
It is mounted on second pivoted arm；
First ring gear is connect by terminal pad with the second pivoted arm, the second pivoted arm transmission output shaft.
3. automobile large speed ratio double speed power assembly according to claim 2, which is characterized in that the double planetary mechanism is logical
The first sun wheel shaft connection clamp disk gearshift is crossed, the double planetary mechanism connects bidirectional ratchet machine by the second ring gear
Structure.
4. automobile large speed ratio double speed power assembly according to claim 3, which is characterized in that the pincers Pan Huandangjigoubao
Include the first sun wheel shaft, shifting disc and selector；First sun gear is fixed by the first sun wheel shaft and the shifting disc
Connection, the shifting disc are mounted between the left and right module of the selector, and the selector connects controller by electric line；
Shifting disc velocity sensor for measuring the rotary regimes of shifting disc is mounted on cabinet.
5. automobile large speed ratio double speed power assembly according to claim 1, which is characterized in that the reset spring is two-way
Torsionspring, there are two swing arm, each swing arm is respectively and fixedly installed to the forward gear pawl for the bidirectional torsion spring processing
With reverse gear on pawl.
6. automobile large speed ratio double speed power assembly according to claim 2, which is characterized in that outside second ring gear
It is uniformly machined with multiple convex teeth on circumference, is mounted on for measuring the ring gear velocity sensor of speed state of the second ring gear
On cabinet.
7. automobile large speed ratio double speed power assembly according to claim 2, which is characterized in that pacify the side of the output shaft
Equipped with the output shaft velocity sensor for measuring output shaft revolving speed, it is fixedly mounted on the excircle of the first pivoted arm or directly processes
There are output gear, the first pivoted arm and the rigid connection of the second sun gear.
8. automobile large speed ratio double speed power assembly according to claim 1, which is characterized in that further include vehicle power supply and control
Device processed, the vehicle power supply and motor are connect with controller respectively by electric line, and the controller tests the speed with ring gear respectively
Sensor, output shaft velocity sensor are connected with shifting disc velocity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094753.XU CN209505456U (en) | 2018-12-13 | 2018-12-13 | Automobile large speed ratio double speed power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094753.XU CN209505456U (en) | 2018-12-13 | 2018-12-13 | Automobile large speed ratio double speed power assembly |
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| Publication Number | Publication Date |
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| CN209505456U true CN209505456U (en) | 2019-10-18 |
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| CN201822094753.XU Active CN209505456U (en) | 2018-12-13 | 2018-12-13 | Automobile large speed ratio double speed power assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466319A (en) * | 2018-12-13 | 2019-03-15 | 广州市新域动力技术有限公司 | Automobile large speed ratio double speed power assembly |
-
2018
- 2018-12-13 CN CN201822094753.XU patent/CN209505456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466319A (en) * | 2018-12-13 | 2019-03-15 | 广州市新域动力技术有限公司 | Automobile large speed ratio double speed power assembly |
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