CN101307830B - Planet wheel type double clutch automatic gear shifting device - Google Patents
Planet wheel type double clutch automatic gear shifting device Download PDFInfo
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- CN101307830B CN101307830B CN2008100696366A CN200810069636A CN101307830B CN 101307830 B CN101307830 B CN 101307830B CN 2008100696366 A CN2008100696366 A CN 2008100696366A CN 200810069636 A CN200810069636 A CN 200810069636A CN 101307830 B CN101307830 B CN 101307830B
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Abstract
The invention discloses a planet gear type double-clutch automatic gear shifting device, comprising an electronic control unit, power mechanisms, a clutch actuator, a gear selection actuator and a gear shift actuator, wherein the electronic control unit is connected with the power mechanisms. The device also comprises a planet gear mechanism I and a planet gear mechanism II. The device adopts theplanet gear mechanisms as a power transmitting mechanism for the clutch actuator, the gear selection actuator and the gear shift actuator so as to realize the functions of the three, and has four stepper motors replaced with two power mechanisms and two planet gear mechanisms so as to save the cost of the three and simplify structure. The device can realize automatic gear shift with fast responseand high-precision control, can greatly reduce production cost, and is simple and compact in structure, small in volume and light in weight. The electronic control unit of the invention only needs tocontrol the two power mechanisms, which is simple in structure and control process.
Description
Technical field
The present invention relates to a kind of double clutch automatic gear shifting device, particularly a kind of planet wheel type double clutch automatic gear shifting device.
Background technique
Double-clutch automatic gearbox (DCT) is development and come on the basis of electric control mechanical type automatic speed variator (AMT); Not only eliminated the problem of electric control mechanical type automatic speed variator power interruption; Also realized the automobile power gearshift; And the automobile that double-clutch automatic gearbox is housed removes and to have kept the high fuel economy of electrical control automatic manual transmission automobile, the advantage of low emission, also have the transmission efficiency height, simple in structure, be easy to advantage such as manufacturing.
Double-clutch automatic gearbox is made up of clutch actuating mechanism, block selecting actuator and gearshift actuator three parts usually, and these actuators mainly adopt electric-controlled hydraulic and two kinds of driving mode of electricity powered at present.It is fast that electric-controlled hydraulic actuator has speed of response; The control accuracy advantages of higher, but it exists that system architecture is complicated, weight is big, cost is high, the installation and maintenance requirement is high, the hydraulic oil seal request is high, service behaviour receives shortcomings such as the big and hydraulic fluid leak befouling environment of influence of temperature change; Electricity powered actuator uses motor to be drive unit usually, directly with power supply power supply on the car, does not need independent power source, have advantages such as simple in structure, that cost is low, installation and maintenance are easy, but it exists volume big, shortcomings such as Heavy Weight.And; The electricity powered double-clutch automatic gearbox adopts four stepper motors as power source usually; Wherein two stepper motors drive clutch actuating mechanism respectively and make two clutches generation separation and joint movement, a step motor drive block selecting actuator and a step motor drive gearshift actuator.This mechanism structure is complicated, and ECU control requires high, owing to adopted four stepper motors to have brought shortcomings such as cost is high, weight is big for the electricity powered double-clutch automatic gearbox as power source.
Therefore, need transform, can respond fast, the realization self shifter of High Accuracy Control, can reduce manufacture cost greatly, and need compact structure, volume little, in light weight double-clutch automatic gearbox.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of planet wheel type double clutch automatic gear shifting device, can respond fast, the realization self shifter of High Accuracy Control, can reduce manufacture cost greatly, and simple and compact for structure, volume is little, in light weight.
Planet wheel type double clutch automatic gear shifting device of the present invention; Comprise ECU, power mechanism, clutch actuating mechanism, block selecting actuator and gearshift actuator; Said ECU links to each other with power mechanism, also comprises planetary wheeling mechanism I and planetary wheeling mechanism II;
Said planetary wheeling mechanism I comprises planet carrier I, planet wheel I and sun gear I that is meshed with planet wheel I respectively and external toothing I, and said planet wheel I and planet carrier I are rotatably assorted, and said external toothing I is provided with external toothing braking device I; Sun gear I is provided with sun gear braking device I; Said planetary wheeling mechanism II comprises planet carrier II, planet wheel II and sun gear II that is meshed with planet wheel II respectively and external toothing II, and said planet wheel II and planet carrier II are rotatably assorted, and said external toothing II is provided with external toothing braking device II; Sun gear II is provided with sun gear braking device II;
Said clutch actuating mechanism is divided into clutch actuating mechanism I and clutch actuating mechanism II; Said clutch actuating mechanism I comprises drive lead screw I, is spun on transmission nut I, active friction disk I, driven friction disk I and separator levers I on the drive lead screw I, and said drive lead screw I and sun gear I are in the circumferencial direction secure fit; The power point of separator levers I links to each other with transmission nut I, and resistance point links to each other with driven friction disk I; Said clutch actuating mechanism II comprises drive lead screw II, is spun on transmission nut II, active friction disk II, driven friction disk II and separator levers II on the drive lead screw II, and said drive lead screw II and sun gear II are in the circumferencial direction secure fit; The power point of separator levers II links to each other with transmission nut II, and resistance point links to each other with driven friction disk II;
Said block selecting actuator comprises block selecting gear and gearshift axle, and said block selecting gear and sun gear I in the circumferencial direction secure fit, vertically fixedly install block selecting tooth bar on the said gearshift axle through sun wheel shaft, and block selecting gear and block selecting tooth bar mesh;
Said gearshift actuator comprise cone gear I, with the cone gear II of cone gear I engagement, power shift gear I, gearshift tooth bar and gearshift spool with the coaxial secure fit of cone gear II; Fixedly install power shift gear on the said gearshift axle, said gearshift tooth bar meshes with power shift gear I and power shift gear respectively; Said cone gear I and sun gear II pass through sun wheel shaft in the circumferencial direction secure fit;
Said power mechanism is two, is respectively power mechanism I and power mechanism II, and the pto of power mechanism I and power mechanism II links to each other with planet carrier II with planet carrier I respectively.
Further, said drive lead screw I and drive lead screw II are set to one with external toothing I and external toothing II respectively;
Further, said power mechanism I and power mechanism II are stepper motor.
The invention has the beneficial effects as follows: planet wheel type double clutch automatic gear shifting device of the present invention; The employing planetary wheeling mechanism is the power transmission mechanism of clutch actuating mechanism, block selecting actuator and gearshift actuator; To realize the function of clutch actuating mechanism and shift-selecting and changing actuating mechanism; Replaced four stepper motors with two power mechanisms and two planetary wheeling mechanisms, practiced thrift the cost of clutch actuating mechanism and shift-selecting and changing actuating mechanism, simplified the structure; ECU only needs two power mechanisms are controlled, and structure and control procedure are fairly simple; The present invention can respond fast, the realization self shifter of High Accuracy Control, can reduce manufacture cost greatly, and simple and compact for structure, volume is little, and is in light weight; Drive lead screw and external toothing are set to one, make simply reliable transmission; Adopted stepper motor as driving source, made clutch separation and fit rapidly, the choosing gearshift accurately.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is gearshift axle and gear schematic representation;
Fig. 3 is a user mode schematic representation of the present invention.
Embodiment
Fig. 1 is a structural representation of the present invention; As shown in the figure: the planet wheel type double clutch automatic gear shifting device of present embodiment; Comprise ECU 30, two stepper motors, planetary wheeling mechanism I, planetary wheeling mechanism II, clutch actuating mechanism, block selecting actuator and gearshift actuators; ECU 30 links to each other with two stepper motors respectively, and stepper motor is controlled;
Planetary wheeling mechanism I comprises planet carrier I 2, planet wheel I 4 and sun gear I 3 that is meshed with planet wheel I 4 respectively and external toothing I 5; Planet wheel I 4 and planet carrier I 2 are rotatably assorted, and external toothing I 5 is provided with external toothing braking device I 6; Sun gear I 3 is provided with sun gear braking device I 12; Planetary wheeling mechanism II comprises planet carrier II 27, planet wheel II 25 and sun gear II 26 that is meshed with planet wheel II 25 respectively and external toothing II24; Planet wheel II 25 and planet carrier II 27 are rotatably assorted, and external toothing II 24 is provided with external toothing braking device II 29; Sun gear II 26 is provided with sun gear braking device II 21;
Clutch actuating mechanism is divided into clutch actuating mechanism I and clutch actuating mechanism II; Clutch actuating mechanism I comprises drive lead screw I 7, is spun on transmission nut I 8, active friction disk I 9, driven friction disk I 10 and separator levers I11 on the drive lead screw I 7; Drive lead screw I 7 and external toothing I 5 are in the circumferencial direction secure fit, and in the present embodiment, drive lead screw I 7 and external toothing I 5 are set to one; The power point of separator levers I 11 links to each other with transmission nut I 8, and resistance point links to each other with driven friction disk I 10; Clutch actuating mechanism II comprises drive lead screw II 23, is spun on transmission nut II 22, active friction disk II 14, driven friction disk II 15 and separator levers II 16 on the drive lead screw II 23; Drive lead screw II 23 and external toothing II 24 are in the circumferencial direction secure fit, and drive lead screw II 23 is set to one with external toothing II 24 in the present embodiment; The power point of separator levers II 16 links to each other with transmission nut II22, and resistance point links to each other with driven friction disk II 15;
Block selecting actuator comprises block selecting gear 13 and gearshift axle 18, and block selecting gear 13 passes through sun wheel shaft in the circumferencial direction secure fit with sun gear I 3; Vertically fixedly install block selecting tooth bar 18a on the gearshift axle 18, block selecting gear 13 and block selecting tooth bar 18a engagement;
Gearshift actuator comprises cone gear I 20, the cone gear II 19 with cone gear I 20 engagements, the power shift gear I 19a with cone gear II 19 coaxial secure fit, shift gears tooth bar 17 and gearshift axle 18; Fixedly install power shift gear 18b on the said gearshift axle 18, said gearshift tooth bar 17 meshes with power shift gear I19a and power shift gear 18b respectively; Said cone gear I 20 and sun gear II 26 pass through sun wheel shaft in the circumferencial direction secure fit;
Two stepper motors are respectively stepper motor I 1 and stepper motor II 28, and the pto of stepper motor I 1 and stepper motor II 28 links to each other with planet carrier II 27 with planet carrier I 2 respectively.
Fig. 2 is gearshift axle and gear schematic representation; As shown in the figure: the double-clutch automatic gearbox gear schematic representation that among the figure is five gears; Its I, III, V keep off on one side of selecting gearshift, and II, IV, R retaining are selecting the another side of gearshift, and central longitudinal is a neutral to VRN, IIIIVN and I IIN; Gearshift axle 18 carries out block selecting through vertically moving, and accomplishes gearshift through left-right rotation.
Fig. 3 is a user mode schematic representation of the present invention; As shown in the figure: as to control through 30 couples of stepper motor I1 of ECU and stepper motor II 28; Stepper motor I 1 and stepper motor II 28 control driven friction disk I among the clutch actuating mechanism I 10 and driven friction disk II 15 among the clutch actuating mechanism II respectively, can realize separating and fit between driven friction disk I 10 and active friction disk I 9 and driven friction disk II 15 and the active friction disk II 14; Simultaneously, stepper motor I 1 control block selecting gear 13 is accomplished vertically moving of gearshift axle 18, accomplishes block selecting work; Stepper motor II 28 control gearshift tooth bars 17 are accomplished the rotation of gearshift axle 18, accomplish gearshift work.Stepper motor I 1 and stepper motor II 28 realize above-mentioned control, realize through planetary wheeling mechanism I and planetary wheeling mechanism II respectively; Motor 34 drives initiatively friction disk I 9 and active friction disk II 14 respectively, and driven friction disk I 10 and driven friction disk II 15 output power to main reducing gear 32 through gear I 31 and gear II 33, accomplish the output of power.
The present invention is when work:
I keeps off from stopping: during parking of automobile; Initiatively friction disk I 9 is with initiatively friction disk II 14 and driven friction disk I 10 are separated state with driven friction disk II 15; Gearshift axle 18 is in I II N position; The rotation of external toothing braking device II 29 braking external toothing II 24; Sun gear braking device II 21 is in sun gear II 26 and separates; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30, the rotation of planet carrier II27 drives gearshift axle 18 through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17 and turns to the I gear to put, and makes I retaining synchronizer mesh back braking sun gear braking device II 21 in advance at gearshift axle 18; The rotation of sun gear braking device I 12 braking sun gear I 3; External toothing braking device I 6 separates with external toothing I 5; Stepper motor I 1 drives planet carrier I 2 rotations under the control of ECU 30; The rotation of planet carrier I 2 makes initiatively friction disk I 9 and driven friction disk I 10 applyings through planet wheel I 4, external toothing I 5, drive lead screw I 7, transmission nut I 8, separator levers I 11, braking external toothing braking device I 6 after active friction disk I 9 and driven friction disk I 10 fit fully.
Change to the II retaining from the I retaining: when speed changer kept off at I, the power of motor 34 was through active friction disk I 9, driven friction disk I 10 and main reducing gear 32 outputs.This moment, initiatively friction disk II 14 was in separated state with driven friction disk II 15; The rotation of external toothing braking device II 29 braking external toothing II 24; Sun gear braking device II 21 separates with sun gear II 26; Stepper motor II 28 drives planet carrier II27 rotation under the control of ECU 30; The rotation of planet carrier II 27 moves right to the II gear through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17 drive gearshift axles 18 and puts, and makes II keep off synchronizer at gearshift axle 18 and meshes back braking sun gear braking device II 21 in advance; The rotation of sun gear braking device I 12 braking sun gear I 3; External toothing braking device I 6 separates with external toothing I 5; Stepper motor I 1 drives planet carrier I 2 rotations under the control of ECU 30; The rotation of planet carrier I 2 makes initiatively through planet wheel I 4, external toothing I5, drive lead screw I 7, transmission nut I 8, separator levers I 11, and friction disk I 9 separates with driven friction disk I 10; Separate back braking external toothing braking device I 6 fully at active friction disk I 9 and driven friction disk I 10; At active friction disk I 9 with when driven friction disk I 10 separates; External toothing braking device II 29 separates with external toothing II 24, and under the control of ECU 30, stepper motor II 28 drives driven friction disk II 15 through planet carrier II 27, planet wheel II 25, external toothing II 24, drive lead screw II 23, transmission nut II 22, separator levers II 16; Driven friction disk II 15 and friction disk II 14 are initiatively fitted, after active friction disk II14 and driven friction disk II 15 fit fully, brake external toothing braking device II 29.
Change to the III retaining from the II retaining: when speed changer kept off at II, the power of motor 34 was through active friction disk II 14, driven friction disk II 15 and main reducing gear 32 outputs, and this moment, initiatively friction disk I 9 was in separated state with driven friction disk I 10.The rotation of external toothing braking device II 29 braking external toothing II 24; Sun gear braking device II21 separates with sun gear II 26; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 drives 18 rotations of gearshift axle through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17, gearshift axle 18 is rotated to left select gearshift I II N position; The rotation of external toothing braking device I 6 braking external toothing I 5; Sun gear braking device I 12 separates with sun gear I 3; Stepper motor I 1 drives planet carrier I 2 rotations under the control of ECU 30; The rotation of planet carrier I 2 is braking sun gear braking device I 12 after sun gear I 3, block selecting gear 13 drive gearshift axle 18 to move up to gearshift IIIVN position; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 moves to the III gear left and puts through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17 drive gearshift axles 18, makes III keep off synchronizer at gearshift axle 18 and meshes back braking sun gear braking device II 21 in advance; The rotation of sun gear braking device II 21 braking sun gear II 26; External toothing braking device II 29 separates with external toothing II 24; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 makes initiatively through planet wheel II 25, external toothing II 24, drive lead screw II 23, transmission nut II 22, separator levers II 16, and friction disk II 14 separates with driven friction disk II 15; Separate back braking external toothing braking device II 29 fully at active friction disk II 14 and driven friction disk II 15; At active friction disk II 14 with when driven friction disk II 15 separates; External toothing braking device I 6 separates with external toothing I 5, and under the control of ECU 30, stepper motor I 1 drives driven friction disk I 10 through planet carrier I 2, planet wheel I 4, external toothing I 5, drive lead screw I 7, transmission nut I8, separator levers I 11; Make driven friction disk I 10 and initiatively friction disk I 9 applyings, braking external toothing braking device I 6 after active friction disk I 9 and driven friction disk I 10 fit fully.
Change to the I retaining from the II retaining: when speed changer kept off at II, the power of motor 34 was through active friction disk II 14, driven friction disk II 15 and main reducing gear 32 outputs.This moment, initiatively friction disk I 9 was in separated state with driven friction disk I 10; The rotation of external toothing braking device II 29 braking external toothing II 24; Sun gear braking device II21 separates with sun gear II 26; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 moves to the I gear left and puts through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17 drive gearshift axles 18, makes I keep off synchronizer at gearshift axle 18 and meshes back braking sun gear braking device II 21 in advance; The rotation of sun gear braking device I 12 braking sun gear I 3; External toothing braking device I 6 separates with external toothing I 5; Stepper motor I 1 drives planet carrier I 2 rotations under the control of ECU 30; The rotation of planet carrier I 2 makes initiatively through planet wheel I 4, external toothing I 5, drive lead screw I 7, transmission nut I 8, separator levers I 11, and friction disk I 9 fits with driven friction disk I10; Braking external toothing braking device I 6 after active friction disk I 9 and driven friction disk I 10 fit fully; When active friction disk I 9 and driven friction disk I 10 fit; External toothing braking device II 29 separates with external toothing II 24, and under the control of ECU 30, stepper motor II 28 drives driven friction disk II 15 through planet carrier II 27, planet wheel II 25, external toothing II 24, drive lead screw II 23, transmission nut II 22, separator levers II 16; Driven friction disk II 15 is separated with active friction disk II 14, separate back braking external toothing braking device II 29 fully at active friction disk II 14 and driven friction disk II 15.
Change to the II retaining from the III retaining: when speed changer kept off at III, the power of motor 34 was through active friction disk I 9, driven friction disk I 10 and main reducing gear 32 outputs, and this moment, initiatively friction disk II 14 was in separated state with driven friction disk II 15.The rotation of external toothing braking device II 29 braking external toothing II 24; Sun gear braking device II 21 separates with sun gear II 26; Stepper motor II 28 drives planet carrier II27 rotation under the control of ECU 30; The rotation of planet carrier II 27 drives 18 rotations of gearshift axle through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17, gearshift axle 18 is rotated to the right select gearshift IIIIVN position; The rotation of external toothing braking device I 6 braking external toothing I 5; Sun gear braking device I12 separates with sun gear I 3; Stepper motor I 1 drives planet carrier I 2 rotations under the control of ECU 30; The rotation of planet carrier I 2 moves downward to III N position and brakes sun gear braking device I 12 through sun gear I 3, block selecting gear 13 drive gearshift axles 18; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 moves right to the II gear through planet wheel II 25, sun gear II 26, cone gear I 20, cone gear II 19, gearshift tooth bar 17 drive gearshift axles 18 and puts, and makes II keep off synchronizer at gearshift axle 18 and meshes back braking sun gear braking device II 21 in advance; The rotation of sun gear braking device II21 braking sun gear II 26; External toothing braking device II 29 separates with external toothing II 24; Stepper motor II 28 drives planet carrier II 27 rotations under the control of ECU 30; The rotation of planet carrier II 27 makes initiatively through planet wheel II 25, external toothing II 24, drive lead screw II 23, transmission nut II 22, separator levers II 16, and friction disk II 14 fits with driven friction disk II 15; Braking external toothing braking device II 29 after active friction disk II 14 and driven friction disk II 15 fit fully; When active friction disk II 14 and driven friction disk II 15 fit; External toothing braking device I 6 separates with external toothing I 5, and under the control of ECU 30, stepper motor I 1 drives driven friction disk I 10 through planet carrier I 2, planet wheel I 4, external toothing I 5, drive lead screw I 7, transmission nut I 8, separator levers I11; Driven friction disk I 10 is separated with active friction disk I 9, separate back braking external toothing braking device I 6 fully at active friction disk I 9 and driven friction disk I 10.
Keep off IV when retaining from III, its principle with keep off II from I and keep off identical; Keep off V when retaining and when I keeps off the R retaining from IV, its principle with keep off III from II and keep off identical; Keep off III when retaining from IV, its principle with keep off I from II and keep off identical; Keep off IV when retaining and when R keeps off the I retaining from V, its principle with keep off II from III and keep off identical.
Explanation is at last; Above embodiment is only unrestricted in order to technological scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technological scheme of the present invention; And not breaking away from the aim and the scope of technological scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. planet wheel type double clutch automatic gear shifting device; Comprise ECU (30), power mechanism, clutch actuating mechanism, block selecting actuator and gearshift actuator; Said ECU (30) links to each other with power mechanism, it is characterized in that: also comprise planetary wheeling mechanism I and planetary wheeling mechanism II;
Said planetary wheeling mechanism I comprises planet carrier I (2), planet wheel I (4) and sun gear I (3) that is meshed with planet wheel I (4) respectively and external toothing I (5); Said planet wheel I (4) and planet carrier I (2) are rotatably assorted, and said external toothing I (5) is provided with external toothing braking device I (6); Sun gear I (3) is provided with sun gear braking device I (12); Said planetary wheeling mechanism II comprises planet carrier II (27), planet wheel II (25) and sun gear II (26) that is meshed with planet wheel II (25) respectively and external toothing II (24); Said planet wheel II (25) and planet carrier II (27) are rotatably assorted, and said external toothing II (24) is provided with external toothing braking device II (29); Sun gear II (26) is provided with sun gear braking device II (21);
Said clutch actuating mechanism is divided into clutch actuating mechanism I and clutch actuating mechanism II; Said clutch actuating mechanism I comprises drive lead screw I (7), is spun on transmission nut I (8), active friction disk I (9), driven friction disk I (10) and separator levers I (11) on the drive lead screw I (7), said drive lead screw I (7) and the circumferencial direction secure fit of external toothing I (5) at drive lead screw I (7); The power point of separator levers I (11) links to each other with transmission nut I (8), and resistance point links to each other with driven friction disk I (10); Said clutch actuating mechanism II comprises drive lead screw II (23), is spun on transmission nut II (22), active friction disk II (14), driven friction disk II (15) and separator levers II (16) on the drive lead screw II (23), said drive lead screw II (23) and the circumferencial direction secure fit of external toothing II (24) at drive lead screw II (23); The power point of separator levers II (16) links to each other with transmission nut II (22), and resistance point links to each other with driven friction disk II (15);
Said block selecting actuator comprises block selecting gear (13) and gearshift axle (18); Said block selecting gear (13) passes through the circumferencial direction secure fit of sun wheel shaft at block selecting gear (13) with sun gear I (3); Said gearshift axle (18) upper edge gearshift axle (18) vertically fixedly install block selecting tooth bar (18a), block selecting gear (13) and block selecting tooth bar (18a) engagement;
The said actuator of shifting gears comprises cone gear I (20), the cone gear II (19) with cone gear I (20) engagement, the power shift gear I (19a) with the coaxial secure fit of cone gear II (19), shift gears tooth bar (17) and gearshift spool (18); Fixedly install power shift gear (18b) on the said gearshift axle (18), said gearshift tooth bar (17) meshes with power shift gear I (19a) and power shift gear (18b) respectively; Said cone gear I (20) and sun gear II (26) pass through the circumferencial direction secure fit of sun wheel shaft at cone gear I (20);
Said power mechanism is two, is respectively power mechanism I (1) and power mechanism II (28), and the pto of power mechanism I (1) and power mechanism II (28) links to each other with planet carrier II (27) with planet carrier I (2) respectively.
2. planet wheel type double clutch automatic gear shifting device according to claim 1 is characterized in that: said drive lead screw I (7) and drive lead screw II (23) are set to one with external toothing I (5) and external toothing II (24) respectively.
3. planet wheel type double clutch automatic gear shifting device according to claim 1 and 2 is characterized in that: said power mechanism I (1) and power mechanism II (28) are stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100696366A CN101307830B (en) | 2008-05-07 | 2008-05-07 | Planet wheel type double clutch automatic gear shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100696366A CN101307830B (en) | 2008-05-07 | 2008-05-07 | Planet wheel type double clutch automatic gear shifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101307830A CN101307830A (en) | 2008-11-19 |
| CN101307830B true CN101307830B (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100696366A Expired - Fee Related CN101307830B (en) | 2008-05-07 | 2008-05-07 | Planet wheel type double clutch automatic gear shifting device |
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| CN (1) | CN101307830B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192318A (en) * | 2011-05-19 | 2011-09-21 | 苏州安远新能源动力有限公司 | Automatic gear shift device of electric automobile |
| CN104334932B (en) * | 2012-06-22 | 2017-07-28 | 舍弗勒技术有限两合公司 | Speed changer |
| CN102840281B (en) * | 2012-09-18 | 2015-04-15 | 清华大学 | Synchronizer-free gear shifting system for input shaft speed regulation for electric automobile |
| CN103388662B (en) * | 2013-07-24 | 2015-11-25 | 王宪平 | Lever type centrifugal force CVT (continuously variable transmission) |
| CN104329455B (en) * | 2014-11-11 | 2016-05-18 | 合肥工业大学 | A kind of motor-driven planet circular system gearshift |
| CN104819262A (en) * | 2015-05-21 | 2015-08-05 | 山东科技大学 | Automobile dual-clutch transmission gear shifting mechanism |
| CN113103862B (en) * | 2021-04-10 | 2022-08-05 | 重庆工程职业技术学院 | Crawler-type obstacle crossing vehicle |
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2008
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| CN101307830A (en) | 2008-11-19 |
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