CN206190878U - Multi -gear speed changer - Google Patents
Multi -gear speed changer Download PDFInfo
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- CN206190878U CN206190878U CN201620661238.3U CN201620661238U CN206190878U CN 206190878 U CN206190878 U CN 206190878U CN 201620661238 U CN201620661238 U CN 201620661238U CN 206190878 U CN206190878 U CN 206190878U
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- gear
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- shifting block
- shaft
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Abstract
The utility model belongs to the multi -gear speed changer and the control method in electromobile transmission case field, the derailleur includes gearshift and actuating mechanism, the gearshift includes a shift motor, first roller lead screw, first shifting block, a selector shaft, first sensor, first guide block, just a few fender shift fork, a shifting fork shaft, the 2nd shift motor, second roller lead screw, second shifting block, the 2nd selector shaft, second sensor, second guide block, three fourth speed shift forks and the 2nd shifting fork shaft. The utility model discloses an electronic actuating mechanism that shifts, through two sets of mutually independent motors and ball screw mechanism be responsible for respectively the just a few keep off with the to perform an action that shifts of three fourth speeds, the selection of having cancelled in traditional AMT derailleur keeps off the operation, has that simple structure, control accuracy are high, response speed reaches the convenient advantage of dismouting maintenance soon. The selection of method, shift to the self shifter of TCU automatic transmission the control unit control, need not not manual control.
Description
Technical field
The utility model belongs to electric automobile gear device research field, and in particular to a kind of multi-shifting speed variator.
Background technology
Speed changer is the mechanism for changing rotating speed and torque from engine, and it can be fixed or a point gear changes output shaft
With input shaft gearratio, also known as gearbox.Speed changer is made up of variable transmission mechanism and operating mechanism, and some automobiles are also dynamic
Output mechanism.The big multiplex ordinary gear transmission of transmission mechanism, what is also had uses Planetary Gear Transmission.Ordinary gear transmission shifting mechanism
It is general to use shifting slide gear and synchronizer etc..
Original gearshift of conventional automatic gearbox is：Servo valve control cylinder or cylinder efficient, cylinder or
Oil cylinder drives shifting block, and shifting block drives selector fork, so as to realize shift transformation, due to bleed pressure or hydraulic coupling, drive range
The influence of uncertain factor, such as input signal, the output signal treated by TCU nor very accurate, so as to cause gearshift
Power is unstable, shifts gears inaccurate.
Furthermore, using a gear decelerator of fixed speed ratio, this kind of drive structure letter more than current middle-size and small-size electric automobile
It is single, low cost of manufacture.But a gear decelerator of fixed speed ratio is used, requirement higher is proposed to motor, traction electric machine was both
Torque higher is provided in Heng Niujuqu, the requirement of speed higher is provided in invariable power area again.Meanwhile, using fixed speed
One gear decelerator of ratio has that motor utilization ratio is relatively low, and in order to ensure the max. speed of automobile, speed reducing ratio is often selected
What is taken is smaller, and this allows for motor and is chronically under high torque (HT), the working condition of high current, motor it is less efficient so that
Electrokinetic cell can not be made to provide maximum continual mileage.
Utility model content
The purpose of this utility model is directed to above mentioned problem and provides a kind of multi-shifting speed variator, and speed changer is using motor-driven
Gear shift mechanism, choosing, gearshift are the self shifter of computer controls, without hand control, on the one hand can directly using vehicle-mounted
Power supply is power source, it is not necessary to attachment device, the complicated oil source apparatus required for saving hydraulic operation；On the other hand with direct current
Oil cylinder and magnetic valve in machine substitution hydraulic system, not only substantially reduce system cost, and simplify mechanism, improve reliability
Property.Have that the max. speed of motor is big, acceleration is good using the electric automobile of multi-shifting speed variator described in the utility model simultaneously,
The low noise advantages of motor when efficiency high and max. speed of the motor in each velocity interval.
The technical solution of the utility model is：A kind of multi-shifting speed variator, including gearshift and executing agency, the gearshift
Mechanism includes the first shift motor, the first roller screw, the first shifting block, the first shifting shaft, one or two gear shift forks, the first selector fork
Axle, the second shift motor, the second roller screw, the second shifting block, the second shifting shaft, three or four gear shift forks, the second selector fork axle；
First roller screw is arranged on the output shaft of the first shift motor；First group of the first shifting block upper end
Head recess is connected with the first boss male-female engagement in the middle part of the first roller screw；The lower end shifting block circular arc and one or two of the first shifting block
Gear shift fork connection；First shifting shaft rotates secondary connection through the first shifting block and with the first shifting block；
Second roller screw is arranged on the output shaft of the second shift motor；Second group of the second shifting block upper end
Head recess is connected with the second boss male-female engagement in the middle part of the second roller screw；The shifting block circular arc and three or four of the second shifting block lower end
Gear shift fork connection；Second shifting shaft rotates secondary connection through the second shifting block and with the second shifting block.
One or the two gear shift fork and three or four gear shift forks are connected with executing agency respectively.
In such scheme, the executing agency includes the first power shift gear, the second power shift gear, the 3rd power shift gear, the
In four power shift gears, one or two gear engaging sleeves, three or four gear engaging sleeves, first gear jackshaft, second gear jackshaft, three gear gears
Countershaft, four gear gear jackshafts, input shaft and output shaft；
4th power shift gear is fixedly connected with input shaft, and first power shift gear, the second power shift gear, the 3rd change
Gear gear is enclosed within the 4th power shift gear on the output shaft and passes through bearing fit on output shaft top by bearing fit；Described
The lower section of one power shift gear is engaged with first gear jackshaft, the first gear jackshaft, second gear jackshaft, three gear teeth
Wheel jackshaft and four gear gear jackshafts are fixedly and coaxially connected, and second power shift gear is engaged with second gear jackshaft, institute
State the 3rd power shift gear to be engaged with three gear gear jackshafts, the 4th power shift gear is engaged with four gear gear jackshafts；
One or the two gear engaging sleeve is arranged between first power shift gear and the second power shift gear, one or two gear engaging sleeves
It is connected with output shaft prismatic pair by spline, one or the two gear engaging sleeve intersects mating connection with one or two gear shift forks；
Three or the four gear engaging sleeve is arranged between the 3rd power shift gear and the 4th power shift gear, three or four gear engaging sleeves
It is connected with output shaft prismatic pair by spline, three or the four gear engaging sleeve intersects mating connection with three or four gear shift forks.
In such scheme, the gearshift also includes first sensor and second sensor；The first sensor peace
Mounted in the outer end of the first shifting shaft；The second sensor is arranged on the outer end of the second shifting shaft.
Further, the first sensor and second sensor are angular transducer, and the first sensor is used to supervise
Control the rotational angle of the first shifting shaft；The second sensor is used to monitor the rotational angle of the second shifting shaft；Described first passes
Sensor and second sensor are connected with automobile control unit respectively, and the angle signal of detection is sent into TCU automatic gear-box controls
Unit processed, TCU automatic gear-box control unit judges current shift position and generation shifting commands according to angle signal, automatically
Control the work of the first shift motor and the second shift motor.
In such scheme, also including the first guide block, the first selector fork axle, the second guide block and the second selector fork axle；
First guide block is fixedly mounted on the first selector fork axle, the top guide block recess of first guide block and
The shifting block circular arc male-female engagement connection of one shifting block；The first selector fork axle is fixedly connected with one or two gear shift forks；
Second guide block is fixedly mounted on the second selector fork axle, the top guide block recess of second guide block and
The shifting block circular arc male-female engagement connection of two shifting blocks；Second selector fork axle is fixedly connected, the two selector forks axle and three or four
Gear shift fork is fixedly connected.
In such scheme, first shift motor and the second shift motor are 24V direct current generators.
In such scheme, also including housing；The case cover is on the first roller screw and the second roller screw and with
One shift motor and the second shift motor are bolted.
The beneficial effects of the utility model are：Compared with prior art, speed changer described in the utility model is changed using electronic
Gear executing agency, replaces cylinder or oil cylinder so that gear shifting force is steadily exported with motor so that gearshift is more accurate, and is logical
Cross two sets of separate motors and ball screw framework be each responsible for one or two gear and three or four gear gearshifts perform action, eliminate
Block selecting operation in traditional AMT speed changers, safeguards easily with simple structure, control accuracy high, fast response time and dismounting
Advantage.Method described in the utility model passes through the rotary angle signal that angular displacement sensor monitors shifting shaft, and by angle signal
TCU automatic gear-box control units are sent to, TCU automatic gear-box control unit judges current shift position according to angle signal
Shifting commands are put and generated, the work of executing agency is automatically controlled, choosing, gearshift are that TCU automatic gear-box control unit is controlled
Self shifter, without hand control.The utility model can more preferably meet the power performance requirement of electric automobile, while reducing right
The requirement of traction electric machine and battery, improves the efficiency of motor.
Brief description of the drawings
Fig. 1 is the structural representation of multi-shifting speed variator described in the implementation method of the utility model one；
Fig. 2 is the implementation method gearshift structural representation of the utility model one；
Fig. 3 is the implementation method gearshift side view of the utility model one.
In figure：1st, the first shift motor；2nd, the second shift motor；3rd, the first roller screw；4th, the second roller screw；5th,
One shifting block；6th, the second shifting block；7th, the first shifting shaft；8th, the second shifting shaft；9th, first sensor；10th, second sensor；11st,
One guide block；12nd, the second guide block；13rd, one or two gear shift fork；14th, three or four gear shift fork；15th, the first selector fork axle；16th, the second gearshift
Shift fork axle；17th, the first power shift gear；18th, the second power shift gear；19th, the 3rd power shift gear；20th, the 4th power shift gear；21st, one
Two gear engaging sleeves；22nd, three or four gear engaging sleeve；23rd, first gear jackshaft；24th, second gear jackshaft；25th, in three gear gears
Countershaft；26th, four gear gear jackshaft；27th, housing；28th, input shaft；29th, output shaft；30th, the first shifting block recess；31st, second group
Head recess；32nd, first boss；33rd, second boss；34th, shifting block circular arc；35th, guide block recess.
Specific embodiment
In order to the technical characteristic to utility model, purpose and effect are more clearly understood from, now control illustrates this
The specific embodiment of utility model, in the various figures identical label represent same or analogous part.Accompanying drawing is merely to illustrate
The utility model, practical structures of the present utility model and actual proportions are not represented.
Fig. 1 show a kind of implementation method of multi-shifting speed variator described in the utility model, the multi-shifting speed variator, including changes
Retaining device and executing agency.
As shown in Figures 2 and 3, the gearshift include the first shift motor 1, the first roller screw 3, the first shifting block 5,
First shifting shaft 7, first sensor 9, the gear of the first guide block 11,1 shift fork 13, the first selector fork axle 15, the second shift motor
2nd, the second roller screw 4, the second shifting block 6, the second shifting shaft 8, second sensor 10, the gear shift fork 14 of the second guide block 12,34 and
Second selector fork axle 16.
First roller screw 3 is arranged on the output shaft of the first shift motor 1；The of the upper end of first shifting block 5
One shifting block recess 30 is connected with the male-female engagement of first boss 32 at the middle part of the first roller screw 3；The shifting block circle of the lower end of the first shifting block 5
34 are connected with the male-female engagement of guide block recess 35 on the top of the first guide block 11 at arc, and the first guide block 11 is fixedly mounted on the first gearshift and dials
On fork shaft 15, the first selector fork axle 15 is fixedly connected with one or two gear shift forks 13；First shifting shaft 7 through the first shifting block 5,
And rotate secondary connection with the first shifting block 5；First shifting block 5 is by the first guide block 11 and the structure of the first selector fork axle 15 and one or two gears
Shift fork 13 is fixedly connected, and because the stress on selector fork is larger, uses the design of shift fork axle and guide block so that selector fork is not direct
It is connected with roller screw, in order to avoid damage roller screw；The first sensor 9 is arranged on the outer end of the first shifting shaft 7.Described
Two roller screws 4 are arranged on the output shaft of the second shift motor 2；Second shifting block recess 31 of the upper end of the second shifting block 6 with
The male-female engagement of second boss 33 connection at the middle part of the second roller screw 4；The lower end shifting block circular arc 34 of second shifting block 6 and the second guide block
The male-female engagement of guide block recess 35 connection on 12 tops；Second guide block 12 is fixedly mounted on the second selector fork axle 16, and second changes
Gear shift fork axle 16 is fixedly connected with three or four gear shift forks 14；Second shifting shaft 8 through the second shifting block 6 and with 6 turns of the second shifting block
Dynamic secondary connection.；Second shifting block 6 is fixed with three or four gear shift forks 14 by the second guide block 12 and the structure of the second selector fork axle 16 and connected
Connect, because the stress on selector fork is larger, use the design of shift fork axle and guide block so that selector fork does not connect directly with roller screw
Connect, in order to avoid damage roller screw；The second sensor 10 is arranged on the outer end of the second shifting shaft 8.The He of the first sensor 9
Second sensor 10 is angular transducer, and the first sensor 9 is used to monitor the rotational angle of the first shifting shaft 7；Described
Two sensors 10 are used to monitor the rotational angle of the second shifting shaft 8；The first sensor 9 and second sensor 10 respectively with vapour
Car control unit is connected, and the angle signal of detection is sent into TCU automatic gear-box control units, the control of TCU automatic gear-box
Unit judges current shift position and generation shifting commands according to angle signal, automatically controls the first shift motor 1 and second and changes
Keep off the work of motor 2.
The gearshift also includes housing 27；The housing 27 covers on the first roller screw 3 and the second roller screw 4
It is bolted above and with the first shift motor 1 and the second shift motor 2.
One or the two gear shift fork 13 and 34 gear shift fork 14 is connected with executing agency respectively.
The executing agency includes that the first power shift gear 17, the second power shift gear 18, the 3rd power shift gear the 19, the 4th are shifted gears
The gear gear of engaging sleeve 21,34 of gear 20,1 engaging sleeve 22, first gear jackshaft 23, the gear tooth of second gear jackshaft 24, three
Wheel jackshaft 25, four gear gear jackshaft 26, input shaft 28 and output shaft 29.
4th power shift gear 20 is fixedly connected with input shaft 28, first power shift gear 17, the second power shift gear
18th, the 3rd power shift gear 19 and the 4th power shift gear 20 are enclosed within the output shaft 29 by bearing fit；First gearshift
The lower section of gear 17 is engaged with first gear jackshaft 23, and the first gear jackshaft 23, second gear jackshaft 24, three keep off
The gear of gear jackshaft 25 and four gear jackshaft 26 is fixedly and coaxially connected, second power shift gear 18 and second gear jackshaft
24 engagements, the 3rd power shift gear 19 is engaged with three gear gear jackshafts 25, the gear gear of the 4th power shift gear 20 and four
Jackshaft 26 is engaged.
One or the two gear engaging sleeve 21 is arranged between the power shift gear 18 of first power shift gear 17 and second, one or two gears
Engaging sleeve 21 is connected by spline with the prismatic pair of output shaft 29, and one or the two gear engaging sleeve 21 intersects cooperation with one or two gear shift forks 13
Connection；Three or the four gear engaging sleeve 22 is arranged between the 3rd power shift gear 19 and the 4th power shift gear 20, and three or four gears are nibbled
Trap 22 is connected by spline with the prismatic pair of output shaft 29, and three or the four gear engaging sleeve 22 intersects cooperation and connects with three or four gear shift forks 14
Connect.
The shift motor 2 of first shift motor 1 and second is 24V direct current generators；Hydraulic system is replaced with direct current generator
In oil cylinder and magnetic valve, not only substantially reduce system cost, and simplify mechanism, improve reliability.
According to the control method of the multi-shifting speed variator, comprise the following steps：
The first sensor 9 is connected with the first shifting shaft 7, and the second sensor 10 is connected with the second shifting shaft 8；Vapour
, it is necessary to when shifting gears, the first shifting block 5 and the second shifting block 6 can respectively with the He of the first shifting shaft 7 when moving left and right during car traveling
Second shifting shaft 8 does half rotary motion, and the angle signal produced in being rotated half distinguishes the first sensor 9 and described second
The monitoring record of sensor 10, and the angle signal of generation is sent to TCU automatic gear-box control units, TCU automatic gear-box
Control unit judges that right and shift control strategy is stepped in current shift position, current road conditions throttle according to angle signal, automatically
Control the work of executing agency.This method is selected, gearshift is, the self shifter of TCU automatic gear-box control unit control, Wu Xuren
Work is manipulated.
The method of work of the executing agency is specially：
When the first shift motor 1 is rotated forward, the first shifting block 5 is moved to the left, and the first shifting block 5 drives the first guide block 11 first
Slided to the left on shift rod 15, the first guide block 11 drives one or two to keep off shift fork 13 and moves to left, one or two gear shift forks 13 drive one or two gears to nibble
Trap 21 is moved to the left so that one or two gear engaging sleeves 21 are engaged with the first power shift gear 17, the first power shift gear 17 and output shaft
29 are fixedly connected, and input shaft 28 transmits power to the 4th power shift gear 20, and the 4th power shift gear 20 is by power by four gear teeth
The first gear jackshaft 23 of wheel jackshaft connection passes to the first power shift gear 17, completes a transmission for keeping off power output shaft；
When the first shift motor 1 is inverted, the first shifting block 5 moves right, and the first shifting block 5 drives the first guide block 11 first
Slided to the right on shift rod 15, the first guide block 11 drives one or two to keep off shift fork 13 and moves to right, one or two gear shift forks 13 drive one or two gears to nibble
Trap 21 is moved right so that one or two gear engaging sleeves 21 are engaged with the second power shift gear 18, and input shaft 28 transmits power to the
Four power shift gears 20, the 4th power shift gear 20 transmits power by the second gear jackshaft 24 that four gear gear jackshafts are connected
To the second power shift gear 18, two transmission for keeping off power output shaft are completed；
When the second shift motor 2 is rotated forward, the second shifting block 6 is moved to the left, and the second shifting block 6 drives the second guide block 12 second
Slided to the left on shift rod 16, the second guide block 12 drives three or four to keep off shift fork 14 and moves to left, three or four gear shift forks 14 drive three or four gears to nibble
Trap 22 is moved to the left so that three or four gear engaging sleeves 22 are engaged with the 3rd power shift gear 19, and input shaft 28 transmits power to the
Four power shift gears 20, the 4th power shift gear 20 transmits power by the three gear gear jackshafts 25 that four gear gear jackshafts are connected
To the 3rd power shift gear 19, three transmission for keeping off power output shaft are completed；
When the second shift motor 2 is inverted, the second shifting block 6 moves right, and the second shifting block 6 drives the second guide block 12 second
Slided to the right on shift rod 16, the second guide block 12 drives three or four to keep off shift fork 14 and moves to right, three or four gear shift forks 14 drive three or four gears to nibble
Trap 22 is moved right so that three or four gear engaging sleeves 22 are engaged with the 4th power shift gear 20, and input shaft 28 transmits power to the
Four power shift gears 20, power is directly entered action edge by the 4th power shift gear 20 by input shaft 28 to be transmitted, and completes four gear power defeated
The transmission of shaft.
The utility model speed changer uses motor-driven gear shift mechanism, and choosing, gearshift are moved certainly for computer controls
Gear, without hand control, system bit selecting gear shifting actuating mechanism uses 24V direct current generators.On the one hand vehicle mounted electric can directly be used
Source is power source, it is not necessary to attachment device, the complicated oil source apparatus required for saving hydraulic operation；On the other hand with direct current generator
Oil cylinder and magnetic valve in substitution hydraulic system, not only substantially reduce system cost, and simplify mechanism, improve reliability
Property.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can be with for bright book
The other embodiment of understanding.
The a series of detailed description of those listed above is only for the specific of possible embodiments of the present utility model
Illustrate, they are simultaneously not used to limit protection domain of the present utility model, it is all without departing from the utility model skill spirit made etc.
Effect embodiment or change should be included within protection domain of the present utility model.
Claims (7)
1. a kind of multi-shifting speed variator, it is characterised in that including gearshift and executing agency, the gearshift is changed including first
Gear motor (1), the first roller screw (3), the first shifting block (5), the first shifting shaft (7), one or two gears shift fork (13), the second gearshift electricity
Machine (2), the second roller screw (4), the second shifting block (6), the second shifting shaft (8), three or four gears shift fork (14)；
First roller screw (3) is on the output shaft of the first shift motor (1)；First shifting block (5) upper end
First shifting block recess (30) is connected with first boss (32) male-female engagement in the middle part of the first roller screw (3)；Under first shifting block (5)
The shifting block circular arc (34) at end is connected with one or two gears shift fork (13)；First shifting shaft (7) through the first shifting block (5) and with
First shifting block (5) rotates secondary connection；
Second roller screw (4) is on the output shaft of the second shift motor (2)；Second shifting block (6) upper end
Second shifting block recess (31) is connected with second boss (33) male-female engagement in the middle part of the second roller screw (4)；Second shifting block (6)
The shifting block circular arc (34) of lower end is connected with three or four gears shift fork (14)；Second shifting shaft (8) through the second shifting block (6) and
Pair is rotated with the second shifting block (6) to be connected；
One or two gear shift fork (13) and three or four gears shift fork (14) are connected with executing agency respectively.
2. multi-shifting speed variator according to claim 1, it is characterised in that the executing agency includes the first power shift gear
(17), the second power shift gear (18), the 3rd power shift gear (19), the 4th power shift gear (20), one or two gears engaging sleeve (21), three or four
Gear engaging sleeve (22), first gear jackshaft (23), second gear jackshaft (24), three gears gear jackshaft (25), four gear teeth
Wheel jackshaft (26), input shaft (28) and output shaft (29)；
4th power shift gear (20) is fixedly connected with input shaft (28), first power shift gear (17), the second gearshift tooth
Wheel (18), the 3rd power shift gear (19) and the 4th power shift gear (20) are enclosed within the output shaft (29) by bearing fit；Institute
The lower section for stating the first power shift gear (17) is engaged with first gear jackshaft (23), the first gear jackshaft (23), two gears
Gear jackshaft (24), three gears gear jackshaft (25) and four gears gear jackshaft (26) are fixedly and coaxially connected, and described second changes
Gear gear (18) is engaged with second gear jackshaft (24), and the 3rd power shift gear (19) is nibbled with three gears gear jackshaft (25)
Close, the 4th power shift gear (20) is engaged with four gears gear jackshaft (26)；
It is described one or two gear engaging sleeve (21) between first power shift gear (17) and the second power shift gear (18), one or two
Gear engaging sleeve (21) is connected by spline with output shaft (29) prismatic pair, and one or two gear engaging sleeve (21) keeps off shift forks with one or two
(13) intersect and be connected；
It is described three or four gear engaging sleeve (22) between the 3rd power shift gear (19) and the 4th power shift gear (20), three or four
Gear engaging sleeve (22) is connected by spline with output shaft (29) prismatic pair, and three or four gear engaging sleeve (22) keeps off shift forks with three or four
(14) intersect and be connected.
3. multi-shifting speed variator according to claim 1, it is characterised in that the gearshift also includes first sensor
And second sensor (10) (9)；Outer end of the first sensor (9) installed in the first shifting shaft (7)；The second sensor
(10 are arranged on the outer end of the second shifting shaft (8).
4. multi-shifting speed variator according to claim 3, it is characterised in that the first sensor (9) and second sensor
(10) it is angular transducer, rotational angle of the first sensor (9) for the first shifting shaft of monitoring (7)；Described second passes
Rotational angle of the sensor (10) for the second shifting shaft of monitoring (8)；The first sensor (9) and second sensor (10) are respectively
It is connected with automobile control unit, the angle signal of detection is sent to TCU automatic gear-box control units, TCU automatic gear-box
Control unit according to angle signal judge current shift position and generation shifting commands, automatically control the first shift motor (1) and
The work of the second shift motor (2).
5. multi-shifting speed variator according to claim 1, it is characterised in that also dialled including the first guide block (11), the first gearshift
Fork shaft (15), the second guide block (12) and the second selector fork axle (16)；
First guide block (11) is fixedly mounted on the first selector fork axle (15), the top guide block of first guide block (11)
Recess (35) is connected with shifting block circular arc (34) male-female engagement of the first shifting block (5), the first selector fork axle (15) and
Two gears shift fork (13) are fixedly connected；
Second guide block (12) is fixedly mounted on the second selector fork axle (16), the top guide block of second guide block (12)
Recess (35) is connected with shifting block circular arc (34) male-female engagement of the second shifting block (6)；The two selector forks axle (16) and three or four
Gear shift fork (14) is fixedly connected.
6. multi-shifting speed variator according to claim 1, it is characterised in that first shift motor (1) and the second gearshift
Motor (2) is 24V direct current generators.
7. multi-shifting speed variator according to claim 1, it is characterised in that also including housing (27)；Housing (27) cover
Pass through on the first roller screw (3) and the second roller screw (4) and with the first shift motor (1) and the second shift motor (2)
Bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661238.3U CN206190878U (en) | 2016-06-28 | 2016-06-28 | Multi -gear speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661238.3U CN206190878U (en) | 2016-06-28 | 2016-06-28 | Multi -gear speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190878U true CN206190878U (en) | 2017-05-24 |
Family
ID=58736131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620661238.3U Expired - Fee Related CN206190878U (en) | 2016-06-28 | 2016-06-28 | Multi -gear speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051137A (en) * | 2016-06-28 | 2016-10-26 | 泰州市海博汽车科技有限公司 | Multi-gear gearbox and control method thereof |
| CN114688243A (en) * | 2022-03-25 | 2022-07-01 | 贵州凯峰科技有限责任公司 | double-MCU automatic transmission control system with rapid gear shifting mode |
-
2016
- 2016-06-28 CN CN201620661238.3U patent/CN206190878U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051137A (en) * | 2016-06-28 | 2016-10-26 | 泰州市海博汽车科技有限公司 | Multi-gear gearbox and control method thereof |
| CN114688243A (en) * | 2022-03-25 | 2022-07-01 | 贵州凯峰科技有限责任公司 | double-MCU automatic transmission control system with rapid gear shifting mode |
| CN114688243B (en) * | 2022-03-25 | 2023-07-07 | 贵州凯峰科技有限责任公司 | double-MCU automatic transmission control system with quick gear shifting mode |
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Granted publication date: 20170524 Termination date: 20190628 |