CN206439354U - Hub reduction planetary mechanism speed changer for pure electric system - Google Patents
Hub reduction planetary mechanism speed changer for pure electric system Download PDFInfo
- Publication number
- CN206439354U CN206439354U CN201621449093.7U CN201621449093U CN206439354U CN 206439354 U CN206439354 U CN 206439354U CN 201621449093 U CN201621449093 U CN 201621449093U CN 206439354 U CN206439354 U CN 206439354U
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- CN
- China
- Prior art keywords
- gear
- gear ring
- carrier component
- shell
- planet carrier
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000009467 reduction Effects 0.000 title claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of hub reduction planetary mechanism speed changer for pure electric system, including sun gear, planet wheel spindle, planetary gear, gear ring, planet carrier component, power output part, the sun gear, planetary gear, planet wheel spindle, gear ring is respectively positioned in the receiving cavity, one end of planet carrier component is located in receiving cavity, the other end of planet carrier component is fixedly connected with the power output part again after coordinating with second bearing, sun gear is fixed on input shaft, planet wheel spindle is fixed on planet carrier component, planetary gear is arranged on planet wheel spindle, planetary gear is engaged with sun gear, gear ring is fixed between fore shell and rear shell, or gear ring is fixed with fore shell, or gear ring is fixed with rear shell, the sun gear and planetary gear are respectively positioned in gear ring, it is toothed around on the inner peripheral surface of the gear ring, planetary gear and the gear teeth meshing on gear ring inner peripheral surface.The utility model has the advantages that compact conformation.
Description
Technical field
The utility model is related to speed changer field, and more particularly to a kind of hub reduction planetary mechanism for pure electric system becomes
Fast device.
Background technology
Carry out energetically under the requirement of integral new-energy passenger in country, the hair of domestic car, especially bus is violent, and new energy is public
The ratio more and more higher for handing over car to occupy in bus, the bus new energy in some cities exceedes traditional power
Car.
Speed changer is not used mostly in the dynamical system of the integral new-energy passenger of the first generation, is engine+motor or pure motor
For the system of power, but the service condition in market of raising and the first generation of the requirement with country to new-energy automobile reflects,
It is required to increase speed changer in its dynamical system to optimize raising systematic function.
Pure power-driven power system is made up of motor, planetary mechanism speed changer, three assemblies of power transmission shaft, and each assembly is only
Vertical assembly.Speed changer need to consider the supporting and sealing of planetary mechanism in the transmission, it is also contemplated that entirely due to being independent
The lubrication of assembly, arrangement of oil pocket etc..
The content of the invention
The hub reduction planetary mechanism for pure electric system that the purpose of this utility model is to provide a kind of compact conformation becomes
Fast device.
The technical solution of the utility model is as follows：
For the hub reduction planetary mechanism speed changer of pure electric system, including fore shell, rear shell, input shaft, clutch shaft bearing,
Two bearings, one end of fore shell is fixedly connected with one end of rear shell, and receiving cavity is formed between fore shell and rear shell, and fore shell is provided with
First axis hole, clutch shaft bearing is arranged in first axis hole, and one end of the input is stretched into after input shaft coordinates with clutch shaft bearing
Into receiving cavity, rear shell is provided with the second axis hole, and second bearing is arranged in second axis hole, in addition to sun gear, planet
Wheel shaft, planetary gear, gear ring, planet carrier component, power output part, the equal position of the sun gear, planetary gear, planet wheel spindle, gear ring
In the receiving cavity, one end of planet carrier component is located in receiving cavity, the other end and second bearing of planet carrier component
It is fixedly connected again with the power output part after cooperation, sun gear is fixed on input shaft, planet wheel spindle fixes planet carrier
On component, planetary gear is arranged on planet wheel spindle, and planetary gear is engaged with sun gear, and gear ring is fixed between fore shell and rear shell, or
Person's gear ring is fixed with fore shell, or gear ring is fixed with rear shell, and the sun gear and planetary gear are respectively positioned in gear ring, the gear ring
It is toothed around on inner peripheral surface, planetary gear and the gear teeth meshing on gear ring inner peripheral surface.
It is additionally provided with accumulator of the rear shell provided with storage lubricating oil, the rear shell for the lubricating oil stream in accumulator
Enter the through hole into receiving cavity.
The fore shell is provided with the first tooth, and one end of gear ring is provided with limiting the second of the ring gear against rotation after the cooperation of the first tooth
Tooth, the other end of gear ring passes through rear shell axial limiting.
The planet carrier component is located on the side face of one end in receiving cavity is provided with tooth, the tooth and gear ring at least in part
Gear teeth meshing on inner peripheral surface.
The axial end of the one end of the planet carrier component in receiving cavity, which is provided with mounting hole, the mounting hole, to be set
There is 3rd bearing, the end extending into receiving cavity and the 3rd bearing of the input shaft coordinate.
The power output part includes on rear end cap and flange, flange sleeve planet carrier component and all with planet carrier component
To fastening, the rear end cap is fastened as a whole after being enclosed on flange with rear shell.
Also include the temperature sensor for being used to detect lubricating oil temperature, the temperature sensor is arranged on rear shell.
Employ such scheme, during transmission duty, power is delivered to planetary gear by input shaft through sun gear, planetary gear with
Gear ring interacts, so that planetary gear rotation, because gear ring is fixed, therefore, with around the sun while planetary gear is taken turns certainly
Wheel revolution, so as to drive planet carrier component to rotate, that is, transfers power on planet carrier component, is finally exported by flange.This reality
The input of motor power and epicyclic transmission mechanism are combined into one with new, the premise of power transmission is realized in satisfaction
Under, but also the structure of speed changer is become more compact, with small volume, bearing capacity is strong, the big advantage of moment of torsion.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model；
Fig. 2 is Fig. 1 A direction views；
1 is that fore shell, 1a are that receiving cavity, 1b are the first tooth, 2 are that rear shell, 2a are that accumulator, 2b are through hole, 3 are input
Axle, 4 be clutch shaft bearing, 5 be second bearing, 6 be sun gear, 7 be planet wheel spindle, 8 be planetary gear, 9 be gear ring, 9a be the gear teeth,
10 be that planet carrier component, 10a are that axle, 10b are that radial extension, 10c are that tooth, 10d are lug boss, 11 are cover plate, 12 are the 3rd
Bearing, 13 be end cap, 14 be flange, 15 be temperature sensor.
Embodiment
As depicted in figs. 1 and 2, the hub reduction planetary mechanism speed changer of the present utility model for pure electric system, including
Fore shell 1, rear shell 2, input shaft 3, clutch shaft bearing 4, second bearing 5, sun gear 6, planet wheel spindle 7, planetary gear 8, gear ring 9, planet
Frame component 10, power output part, temperature sensor 15, the relation between them is described in detail below：
One end of fore shell 1 is fixedly connected with one end of rear shell 2, and formation receiving cavity 1a, preceding between fore shell 1 and rear shell 2
1 is provided with the first axis hole on shell, and clutch shaft bearing 4 is arranged in first axis hole, the input after input shaft 3 coordinates with clutch shaft bearing 4
The one end at end is extend into receiving cavity 1a, and rear shell 2 is provided with the second axis hole, and second bearing 5 is arranged in second axis hole, the
The axial direction of two axis holes is axially located on same straight line with the first axis hole.Shell 2 is provided with the accumulator 2a of storage lubricating oil afterwards, after
Shell 2 has along extension away from the one end of fore shell 1, and the extension forms the portion that turns back after turnover, and so in extension, turn back portion
And rear shell 2 forms the groove with opening between one end of fore shell 1, and a cover plate is fixedly connected with the notch of the groove
11 so that the notch of groove to be closed, so as to form described accumulator 2a on rear shell 2.It is additionally provided with the rear shell 2 and supplies oil storage
Lubricating oil in room is flowed into the through hole 2b in receiving cavity, it is thus evident that through hole 2b is located at one end that rear shell 2 deviates from fore shell 1.
Sun gear 6, planet wheel spindle 7, planetary gear 8, gear ring 9 are respectively positioned in the receiving cavity, and the one of planet carrier component 10
End is located in receiving cavity, and the other end of planet carrier component 10 is solid with the power output part again after coordinating with second bearing 5
Fixed connection, sun gear 6 is fixed on input shaft 3, and sun gear 6 is coordinated by spline with input shaft 3, and is set on input shaft 3
There is back-up ring with to the formation axial limiting of sun gear 6.Planet wheel spindle 7 is fixed on planet carrier component 10, it is preferable that planet carrier component
10 include axle 10a, and axle 10a one end is provided with to be provided with along the radially extending extension 10b of the Axial and radial, radial extension 10b
Hole, one end of planet wheel spindle 7 is arranged in the hole, it is preferable that planet wheel spindle 7 is arranged on radially extends in an interference fit
In hole on portion 10b.Planetary gear 8 is arranged on planet wheel spindle 7, and planetary gear 8 is engaged with sun gear 6, it is preferable that planetary gear 8 leads to
Bearing is crossed on planet wheel spindle 7.
Gear ring 9 is fixed between fore shell 1 and rear shell 2, it is preferable that fore shell 1 is provided with the first tooth 1b, and one end of gear ring is provided with
The second tooth of the ring gear against rotation is limited after coordinating with the first tooth 1b, the first tooth is inserted into the teeth groove of two neighboring second tooth, the
Two teeth are inserted into the teeth groove of two neighboring first tooth, and because fore shell 1 is fixed, therefore, gear ring 9 passes through with fore shell 1
After first tooth and the second tooth coordinate, gear ring 9 also can not just be rotated, while fore shell 1 forms axial limiting to gear ring 9.Gear ring 9
The other end passes through the rear axial limiting of shell 2, it is preferable that on the internal face towards fore shell 1 of rear shell 2 be provided with boss, rear shell 2 with
When fore shell 1 is fixed, gear ring 9 is pressed between fore shell 1 and rear shell 2 by boss.The sun gear 6 and planetary gear 8 are respectively positioned on
In gear ring 9,9a is toothed around on the inner peripheral surface of the gear ring 9, planetary gear 8 is engaged with the gear teeth 9a on the inner peripheral surface of gear ring 9.
Sun gear 6, planet wheel spindle 7, planetary gear 8, gear ring 9 and planet carrier component 10 constitute epicyclic transmission mechanism.
In order that the transmission of planet carrier component 10 is more balanced, the planet carrier component 10 is located at one in receiving cavity 1a
Tooth 10c is provided with the side face at end at least in part, tooth 10c is engaged with the gear teeth 9a on the inner peripheral surface of gear ring 9.Preferably, footpath
Lug boss 10d is provided with to extension 10b a part of side face, lug boss 10d is axially extending along planet carrier component 10, and
Tooth 10c is arranged on lug boss 10d.The planet carrier component 10 is located at the axial end of one end in receiving cavity provided with peace
Fill and 3rd bearing 12 is provided with hole, the mounting hole, the end extending into receiving cavity and the 3rd bearing of the input shaft are matched somebody with somebody
Close.
Power output part include rear end cap 13 and flange 14, flange 14 be enclosed on planet carrier component 10 and with planet carrier group
Through hole on the circumferential fastening of part 10, flange 14 is stepped hole, and flange 14 is enclosed on axle 10a and with axle 10a by spline fitted, made
Both are circumferentially forming fastening, and in the axial direction, on the step surface for the stepped hole being pressed in by pressing plate on flange 14, pressing plate passes through
Screw is fastened vertically with axle 10a, so as to form axial limiting to flange 14.Rear end cap 13 is enclosed on flange 14 rear and rear shell
2 are fastened as a whole, and the through hole on rear end cap 13 is also stepped hole, and the aperture of flange 14 and the stepped hole on rear end cap 13 coordinates,
Oil sealing is provided with the macropore of stepped hole on rear end cap 13.Rear end cap 13 forms axial limiting to second bearing 5.
For detecting that the temperature sensor 15 of lubricating oil temperature is arranged at rear shell 2, detected by the temperature sensor 15,
Transmission oil temperature is fed back, adjustment of rotational speed is carried out in good time, speed changer oil sealing, bearing etc. are protected, it is ensured that speed changer
Service life.
The utility model is not limited to above-mentioned embodiment, and described gear ring 9 directly can also be fixed as one with fore shell 1,
Or gear ring 9 is directly fixed as one with rear shell.
The course of work of the present utility model is as follows：
During transmission duty, power is delivered to planetary gear 8, planetary gear 8 and the phase interaction of gear ring 9 by input shaft 3 through sun gear 6
With, so that the rotation of planetary gear 8, because gear ring 9 is fixed, therefore, to be revolved round the sun around sun gear while planetary gear 8 is taken turns certainly,
So as to drive planet carrier component 10 to rotate, that is, transfer power on planet carrier component 10, finally exported by flange 14.
Claims (7)
1. a kind of hub reduction planetary mechanism speed changer for pure electric system, including fore shell, rear shell, input shaft, clutch shaft bearing,
Second bearing, one end of fore shell is fixedly connected with one end of rear shell, is formed and is set on receiving cavity, fore shell between fore shell and rear shell
There is the first axis hole, clutch shaft bearing is arranged in first axis hole, and one end of the input is stretched after input shaft coordinates with clutch shaft bearing
Enter into receiving cavity, rear shell is provided with the second axis hole, second bearing is arranged in second axis hole, it is characterised in that：Also wrap
Include sun gear, planet wheel spindle, planetary gear, gear ring, planet carrier component, power output part, the sun gear, planetary gear, planet
Wheel shaft, gear ring are respectively positioned in the receiving cavity, and one end of planet carrier component is located in receiving cavity, planet carrier component it is another
End is fixedly connected with the power output part again after coordinating with second bearing, and sun gear is fixed on input shaft, planet wheel spindle
Be fixed on planet carrier component, planetary gear is arranged on planet wheel spindle, planetary gear is engaged with sun gear, gear ring be fixed on fore shell with
Afterwards between shell, either gear ring is fixed with fore shell or gear ring is fixed with rear shell, and the sun gear and planetary gear are respectively positioned on gear ring
In, it is toothed around on the inner peripheral surface of the gear ring, planetary gear and the gear teeth meshing on gear ring inner peripheral surface.
2. the hub reduction planetary mechanism speed changer according to claim 1 for pure electric system, it is characterised in that：It is described
Shell is provided with to be additionally provided with the accumulator of storage lubricating oil, the rear shell afterwards is flowed into receiving cavity for the lubricating oil in accumulator
In through hole.
3. the hub reduction planetary mechanism speed changer according to claim 1 or 2 for pure electric system, it is characterised in that：
The fore shell is provided with the first tooth, and one end of gear ring is provided with the second tooth with limiting the ring gear against rotation after the cooperation of the first tooth, gear ring
The other end pass through rear shell axial limiting.
4. the hub reduction planetary mechanism speed changer according to claim 1 or 2 for pure electric system, it is characterised in that：
The planet carrier component is located on the side face of one end in receiving cavity is provided with tooth at least in part, the tooth and gear ring inner peripheral surface
On gear teeth meshing.
5. the hub reduction planetary mechanism speed changer according to claim 1 or 2 for pure electric system, it is characterised in that：
The axial end that the planet carrier component is located at one end in receiving cavity is provided with mounting hole, the mounting hole provided with the 3rd axle
Hold, the end extending into receiving cavity and the 3rd bearing of the input shaft coordinate.
6. the hub reduction planetary mechanism speed changer according to claim 1 or 2 for pure electric system, it is characterised in that：
The power output part includes circumferentially fastening on rear end cap and flange, flange sleeve planet carrier component and with planet carrier component,
The rear end cap is fastened as a whole after being enclosed on flange with rear shell.
7. the hub reduction planetary mechanism speed changer according to claim 2 for pure electric system, it is characterised in that：Also wrap
The temperature sensor for detecting lubricating oil temperature is included, the temperature sensor is arranged on rear shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449093.7U CN206439354U (en) | 2016-12-27 | 2016-12-27 | Hub reduction planetary mechanism speed changer for pure electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449093.7U CN206439354U (en) | 2016-12-27 | 2016-12-27 | Hub reduction planetary mechanism speed changer for pure electric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439354U true CN206439354U (en) | 2017-08-25 |
Family
ID=59641925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621449093.7U Expired - Fee Related CN206439354U (en) | 2016-12-27 | 2016-12-27 | Hub reduction planetary mechanism speed changer for pure electric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356997A (en) * | 2018-11-08 | 2019-02-19 | 江苏汤臣汽车零部件有限公司 | A kind of novel pure electric speed reducing case |
| CN109367384A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy hybrid vehicle stepless time adjustment speed changer |
| CN113551012A (en) * | 2021-06-25 | 2021-10-26 | 浙江万里扬股份有限公司 | Transmission auxiliary box and vehicle |
-
2016
- 2016-12-27 CN CN201621449093.7U patent/CN206439354U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356997A (en) * | 2018-11-08 | 2019-02-19 | 江苏汤臣汽车零部件有限公司 | A kind of novel pure electric speed reducing case |
| CN109356997B (en) * | 2018-11-08 | 2024-09-06 | 江苏汤臣汽车零部件有限公司 | Novel pure electric reduction gearbox |
| CN109367384A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy hybrid vehicle stepless time adjustment speed changer |
| CN113551012A (en) * | 2021-06-25 | 2021-10-26 | 浙江万里扬股份有限公司 | Transmission auxiliary box and vehicle |
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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: 20170825 |