CN207989663U - A kind of pure electric vehicle two speed transmission - Google Patents
A kind of pure electric vehicle two speed transmission Download PDFInfo
- Publication number
- CN207989663U CN207989663U CN201721652767.8U CN201721652767U CN207989663U CN 207989663 U CN207989663 U CN 207989663U CN 201721652767 U CN201721652767 U CN 201721652767U CN 207989663 U CN207989663 U CN 207989663U
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- motor
- planetary gear
- ring
- clamping ring
- gear
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Abstract
The utility model discloses a kind of pure electric vehicle two speed transmissions,Including motor supporting base,Motor has been bolted in the upper surface of the motor supporting base,The motor shaft ends of motor are equipped with sun gear,And clamping ring is equipped on the outside of one end of motor shaft,Planetary gear clamping ring is equipped on the outside of the other end of the motor shaft,L-type link there are four being set on the outside of planetary gear clamping ring,Brake plate can be driven to be moved forward and backward by the first hydraulic telescopic rod,Gear ring can be fixed by brake plate,It is braked with this,Motor can be driven to move by the second hydraulic telescopic rod,Sun gear can be driven to move by motor,Sun gear and the planetary gear is set to engage or detach with this,Clamping ring is set to be closed or separate with planetary gear clamping ring simultaneously,Achieve the effect that clutch with this,The pure electric vehicle two speed transmission is simple in structure,It is easy to operate,Two grades of planetary transmissions can not only be improved,Speed ratio increases.
Description
Technical field
The utility model is related to electric vehicle transmission technical field, specially a kind of pure electric vehicle two speed transmission.
Background technology
Pure electric vehicle is the automobile industry of a kind of clean energy vehicle and state key development.With the maturation of technology
With falling off for public subsidies, pure electric vehicle driving device motor gradually selects high-speed electric expreess locomotive, and high-speed electric expreess locomotive is needed to be equipped with phase
The deceleration mechanism answered.Traditional retarder speed ratio is fixed, and but only with a shelves, transmission efficiency is low, cannot meet vehicle traveling
Each operating mode cannot meet low speed heavy grade driving cycle currently, common planet heat-extraction system speed ratio is smaller.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of two grades of speed changes of pure electric vehicle
Device, it is simple in structure, it is easy to operate, two grades of planetary transmissions can be not only improved, speed ratio increases, and can effectively solve background skill
The problems in art.
To achieve the above object, the utility model provides the following technical solutions：A kind of pure electric vehicle two speed transmission, including
Motor has been bolted in the upper surface of motor supporting base, the motor supporting base, and the motor shaft ends of motor are equipped with the sun
Wheel, and clamping ring is equipped on the outside of one end of motor shaft, planetary gear clamping ring, planet are equipped on the outside of the other end of the motor shaft
L-type link there are four being set on the outside of wheel clamping ring, and the separate one end being connect with planetary gear clamping ring of L-type link is all provided with
There is planetary gear, the outside of planetary gear is equipped with and gear ring, and gear ring is intermeshed with planetary gear, and the side of the motor supporting base passes through
Be bolted there are two the second hydraulic telescopic rod, the telescopic end of the second hydraulic telescopic rod is equipped with connection otic placode, connection otic placode it is upper
Both sides are held to be equipped with link, the first hydraulic telescopic rod, the first hydraulic telescopic rod has been bolted in the one end side of link
Telescopic end be equipped with brake plate, the brake plate is corresponding with gear ring side, and the side of the planetary gear connects centrally through bearing
It is connected to planet carrier, four planet carriers are separate to be connected with output shaft between one end of planetary gear connection, the motor supporting base
Side is equipped with hydraulic pump, and the outlet of hydraulic pump is connected by the import of oil pipe and the second hydraulic telescopic rod and the first hydraulic telescopic rod
It connects, the input terminal of hydraulic pump and motor is connected by the output end of external control switch and external power supply.
As a kind of optimal technical scheme of the utility model, the gear ring and the corresponding side of brake plate are equipped with anti-skidding
Line, and brake plate is arcuate structure.
As a kind of optimal technical scheme of the utility model, rotation connection ring is equipped at the one side edge of the gear ring,
The side of the link is equipped with sliding support column corresponding with rotation connection ring.
As a kind of optimal technical scheme of the utility model, the outside of the clamping ring is hexagonal structure, and with
The inside of the corresponding planetary gear clamping ring of clamping ring is also hexagonal structure.
As a kind of optimal technical scheme of the utility model, the upper surface quadrangle of the motor supporting base sets that there are four spiral shells
Keyhole, and the inner side of bolt hole is equipped with internal thread.
Compared with prior art, the utility model has the beneficial effects that：The is provided on this pure electric vehicle two speed transmission
One hydraulic telescopic rod can drive brake plate to be moved forward and backward, can be consolidated gear ring by brake plate by the first hydraulic telescopic rod
It is fixed, it is braked with this, motor can be driven to move by the second hydraulic telescopic rod, sun gear can be driven to move by motor
It is dynamic, it either detaches while making clamping ring and planetary gear clamping ring closure to make sun gear and planetary gear engage with this or separate,
Achieve the effect that clutch with this, the pure electric vehicle two speed transmission is simple in structure, easy to operate, can not only improve two grades
Planetary transmission, speed ratio increase.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is the utility model principle schematic diagram.
In figure：1 planetary gear, 2 clamping rings, 3 brake plates, 4 sun gears, 5 first hydraulic telescopic rods, 6 sliding support columns, 7 rows
Star-wheel clamping ring, 8 second hydraulic telescopic rods, 9 hydraulic pumps, 10 connection otic placodes, 11 motor supporting bases, 12 motors, 13 links, 14
Motor shaft, 15 rotation connection rings, 16L types link, 17 gear rings, 18 planet carriers, 19 output shafts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of pure electric vehicle two speed transmission, including electricity
Motor 12 has been bolted in the upper surface of machine support base 11, motor supporting base 11, and 14 end of motor shaft of motor 12 is equipped with
Sun gear 4, and clamping ring 2 is equipped on the outside of one end of motor shaft 14, it is equipped with planetary gear on the outside of the other end of motor shaft 14 and connects
Circle 7, the outside of planetary gear clamping ring 7 are set there are four L-type link 16, and L-type link 16 is separate with planetary gear clamping ring 7
One end of connection is equipped with planetary gear 1, and the outside of planetary gear 1, which is equipped with, to be intermeshed with gear ring 17, gear ring 17 with planetary gear 1, electricity
The side of machine support base 11 is bolted there are two the second hydraulic telescopic rod 8, and the telescopic end of the second hydraulic telescopic rod 8 is equipped with
The upper end both sides of connection otic placode 10, connection otic placode 10 are equipped with link 13, and the one end side of link 13 has been bolted
The telescopic end of first hydraulic telescopic rod 5, the first hydraulic telescopic rod 5 is equipped with brake plate 3, can band by the first hydraulic telescopic rod 5
Dynamic brake plate 3 is moved forward and backward, and can be fixed gear ring 17 by brake plate 5, is braked with this, brake plate 3 and 17 side of gear ring
Face is corresponding, and the side of planetary gear 1 is connected with planet carrier 18 centrally through bearing, and four planet carriers 18 are separate to be connected with planetary gear 1
Output shaft 19 is connected between the one end connect, the side of motor supporting base 11 is equipped with hydraulic pump 9, and the outlet of hydraulic pump 9 passes through oil
Pipe is connect with the import of the second hydraulic telescopic rod 8 and the first hydraulic telescopic rod 5, and the input terminal of hydraulic pump 9 and motor 12 is outside
Portion's control switch is connect with the output end of external power supply, and gear ring 17 and 3 corresponding side of brake plate are equipped with anti-skid chequer, and make
Movable plate 3 is arcuate structure, and the braking effect by the brake plate 3 of anti-skid chequer is more preferable, and rotation is equipped at the one side edge of gear ring 17
The side of connection ring 15, link 13 is equipped with sliding support column 6 corresponding with rotation connection ring 15, by slidably supporting 6 He of column
The connection of rotation connection ring 15 can make the rotating effect of gear ring 17 more preferable, and the outside of clamping ring 2 is hexagonal structure, and
The inside of planetary gear clamping ring corresponding with clamping ring 27 is also hexagonal structure, is made by clamping ring 2 and planetary gear clamping ring 7
It must connect more secured, the upper surface quadrangle of motor supporting base 11 sets that there are four bolts hole, and the inner side of bolt hole is equipped with
Motor can be fixed on electric car by internal thread by bolt hole so that fixed more convenient, pure electric vehicle two speed transmission
It is simple in structure, it is easy to operate, two grades of planetary transmissions can be not only improved, speed ratio increases.
When in use：It drives brake plate 3 to move in the first hydraulic telescopic rod 5, is fixed gear ring 17 by brake plate 5, so
Afterwards by the second hydraulic telescopic rod 8 drive motor 12 move, by motor 12 drive sun gear 4 move, by sun gear 4 with nibble
It closes, is engaged with planetary gear 1 by sun gear 4, drive sun gear 4 to rotate by motor 12, planetary gear 1 is driven by sun gear 4
It is rotated around gear ring 17, drives output shaft 19 to rotate with this, or drive brake plate 3 to move by the first hydraulic telescopic rod 5, by
Brake plate 5 is removed in gear ring 17, then motor 12 can be driven to move by the second hydraulic telescopic rod 8, and motor 12 drives the sun
4 movement of wheel, sun gear 4 detach with planetary gear 1, so that clamping ring 2 is connect with planetary gear clamping ring 7, then driven by motor 12
Planetary gear 1 rotates, and drives gear ring 17 to rotate by planetary gear 1, is exported by output shaft 19 with this, when stopping, by the
Two hydraulic telescopic rods 8 can drive motor 12 to move so that sun gear 4 is detached with planetary gear 1, while making clamping ring 2 and planet
It takes turns clamping ring 7 to separate, then drives brake plate 3 to be moved forward and backward by the first hydraulic telescopic rod 5, consolidated gear ring 17 by brake plate 5
It is fixed, so that motor 12 is dallied with this.
The utility model can drive brake plate 3 to be moved forward and backward by the first hydraulic telescopic rod 5, can be with by brake plate 5
Gear ring 17 is fixed, is braked with this, motor 12 can be driven to move by the second hydraulic telescopic rod 8, it can by motor 12
To drive sun gear 4 to move, makes the engagement of sun gear 4 and planetary gear 1 with this or detach, while making clamping ring 2 and planetary gear
Clamping ring 7 is closed or separates, and achievees the effect that clutch with this, and the pure electric vehicle two speed transmission is simple in structure, operation letter
Just, two grades of planetary transmissions can be not only improved, speed ratio increases.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of pure electric vehicle two speed transmission, including motor supporting base (11), it is characterised in that：The motor supporting base (11)
Upper surface be bolted motor (12), motor shaft (14) end of motor (12) is equipped with sun gear (4), and motor
It is equipped with clamping ring (2) on the outside of one end of axis (14), planetary gear clamping ring (7) is equipped on the outside of the other end of the motor shaft (14),
It is set on the outside of planetary gear clamping ring (7) there are four L-type link (16), and L-type link (16) is separate is connect with planetary gear
One end of circle (7) connection is equipped with planetary gear (1), and the outside of planetary gear (1) is equipped with and gear ring (17), gear ring (17) and planetary gear
(1) it being intermeshed, the side of the motor supporting base (11) is bolted there are two the second hydraulic telescopic rod (8), and second
The telescopic end of hydraulic telescopic rod (8) is equipped with connection otic placode (10), and the upper end both sides of connection otic placode (10) are equipped with link (13), even
The first hydraulic telescopic rod (5) has been bolted in the one end side for connecing frame (13), and the telescopic end of the first hydraulic telescopic rod (5) is set
There is brake plate (3), the brake plate (3) is corresponding with gear ring (17) side, and the side of the planetary gear (1) is centrally through bearing
It is connected with planet carrier (18), four planet carriers (18) are separate to be connected with output shaft (19) between one end of planetary gear (1) connection,
The side of the motor supporting base (11) is equipped with hydraulic pump (9), and the outlet of hydraulic pump (9) passes through oil pipe and the second hydraulic telescopic rod
(8) it is connected with the import of the first hydraulic telescopic rod (5), the input terminal of hydraulic pump (9) and motor (12) passes through external control switch
It is connect with the output end of external power supply.
2. a kind of pure electric vehicle two speed transmission according to claim 1, it is characterised in that：The gear ring (17) and braking
The corresponding side of plate (3) is equipped with anti-skid chequer, and brake plate (3) is arcuate structure.
3. a kind of pure electric vehicle two speed transmission according to claim 1, it is characterised in that：The side of the gear ring (17)
Edge is equipped with rotation connection ring (15), and the side of the link (13) is equipped with sliding branch corresponding with rotation connection ring (15)
Dagger (6).
4. a kind of pure electric vehicle two speed transmission according to claim 1, it is characterised in that：Outside the clamping ring (2)
Side is hexagonal structure, and the inside of planetary gear clamping ring (7) corresponding with clamping ring (2) is also hexagonal structure.
5. a kind of pure electric vehicle two speed transmission according to claim 1, it is characterised in that：The motor supporting base (11)
Upper surface quadrangle set there are four bolt hole, and the inner side of bolt hole is equipped with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652767.8U CN207989663U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric vehicle two speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721652767.8U CN207989663U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric vehicle two speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989663U true CN207989663U (en) | 2018-10-19 |
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ID=63803811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721652767.8U Active CN207989663U (en) | 2017-12-01 | 2017-12-01 | A kind of pure electric vehicle two speed transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555818A (en) * | 2018-12-12 | 2019-04-02 | 重庆久和豪贝机械有限公司 | A kind of planet wheeled support device |
-
2017
- 2017-12-01 CN CN201721652767.8U patent/CN207989663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555818A (en) * | 2018-12-12 | 2019-04-02 | 重庆久和豪贝机械有限公司 | A kind of planet wheeled support device |
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