CN102937167B - Automatic transmission of four-gear planetary gear - Google Patents
Automatic transmission of four-gear planetary gear Download PDFInfo
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- CN102937167B CN102937167B CN201210471484.9A CN201210471484A CN102937167B CN 102937167 B CN102937167 B CN 102937167B CN 201210471484 A CN201210471484 A CN 201210471484A CN 102937167 B CN102937167 B CN 102937167B
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Abstract
The invention discloses an automatic transmission of a four-gear planetary gear. The automatic transmission comprises a front row sun wheel, a rear row sun wheel, a front row gear ring, a rear row gear ring, a front row planetary gear, a rear row planetary gear, a front row planetary carrier, a rear row planet carrier, a plate brake, a belt brake, a first clutch, a second clutch, a third clutch, a power input shaft and a power output shaft. The power input shaft is integrated with the front row sun wheel, a hub of the second clutch and a drum of the first clutch; the power output shaft is integrated with the front row planetary carrier and the rear row gear ring; a hub of the third clutch is integrated with the front row gear ring; a drum of the third clutch is integrated with a hub of the plate brake, a drum of the second clutch and the rear row planet carrier; and a hub of the first clutch is integrated with the rear row sun wheel. According to the novel automatic transmission of the four-gear planetary gear, defects that traditional automatic transmissions are complicated in structures and bloated in sizes are overcome.
Description
Technical field
The present invention relates to a kind of automatic transmission, particularly a kind of Automatic transmission of four-gear planetary gear.
Background technique
Modern Car automatic transmission adopts planetary gears mostly, is made up of 2-3 rows of planetary gear mechanism and relevant executive component.Simple planetary arrangement is made up of sun gear, gear ring, planet carrier, and planet carrier has planetary pinion; Executive component mainly contains clutch, break, by the executive component such as clutch, break, sun gear, gear ring, planet carrier is carried out to different constraints and just can form different gears.
Traditional automatic transmission has complex structure, cost is high, maintenance difficult, transmission efficiency are low feature, the automatic transmission that along with the fast development of automotive engineering, some structures are simple, cost is low in the urgent need to developing, easy to maintenance, transmission efficiency is high.
Summary of the invention
For above-mentioned prior art, technical problem to be solved by this invention be to provide a kind ofly have that Gear Processing number is few, simple and compact for structure, cost is low, executive component is few, gearshift time executive component convert few planetary gear automatic transmission.
For solving the problems of the technologies described above, a kind of Automatic transmission of four-gear planetary gear of the present invention, comprises forward and backward rows of planetary gear mechanism, piece-type brake, band brake, the first to the 3rd clutch, power input shaft, pto＝power take-off; Wherein front-seat planetary gears comprises front-seat sun gear, front-seat gear ring, front-seat planetary pinion, and the front-seat planet carrier be connected with front-seat gear; The rear seniority among brothers and sisters carrier that rear rows of planetary gear mechanism comprises rear row's sun gear, rear ring gear, rear rows of planetary gear and is connected with rear rows of planetary gear;
Wherein said front-seat sun gear, the clutch hub of second clutch, the clutch drum of first clutch are connected by power input shaft; The clutch hub of the 3rd clutch is connected with front-seat gear ring; Be connected with rear seniority among brothers and sisters carrier again after the hub of described piece-type brake is connected with the clutch drum of second clutch with the clutch drum of the 3rd clutch respectively; Clutch hub, the band brake of first clutch are connected with rear row's sun gear respectively;
Described front-seat planetary pinion is meshed with front-seat gear ring, front-seat sun gear respectively; Rear rows of planetary gear is meshed with rear ring gear, rear row's sun gear respectively; Front-seat planet carrier is connected with pto＝power take-off respectively with rear ring gear.
The present invention is a kind of Automatic transmission of four-gear planetary gear, and the number of teeth, the modulus of front-seat planetary pinion and rear rows of planetary gear are identical, and the number of teeth, the modulus of front-seat gear ring and rear ring gear are identical, and the number of teeth, the modulus of front-seat sun gear and rear row's sun gear are identical.The gear of 4 velocity ratio reasonable layouts can be formed, thus make that Gear Processing number is few, simple and compact for structure, cost is low, executive component is few, gearshift time executive component conversion few.
Accompanying drawing explanation
Fig. 1 is drive path figure.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, following connection with figures is described in detail the specific embodiment of the present invention.
An Automatic transmission of four-gear planetary gear as shown in Figure 1, comprises forward and backward rows of planetary gear mechanism, piece-type brake 7, band brake 10, first to the 3rd clutch, power input shaft 1, pto＝power take-off 15; Wherein front-seat planetary gears 16 comprises front-seat sun gear 2, front-seat gear ring 5, front-seat planetary pinion 3, and the front-seat planet carrier 4 be connected with front-seat gear 3; The rear seniority among brothers and sisters carrier 13 that rear rows of planetary gear mechanism 17 comprises rear row's sun gear 11, rear ring gear 14, rear rows of planetary gear 12 and is connected with rear rows of planetary gear 12;
The clutch hub of wherein said front-seat sun gear 2, second clutch 8, the clutch drum of first clutch 9 are connected by power input shaft 1; The clutch hub of the 3rd clutch 6 is connected with front-seat gear ring 5; Be connected with rear seniority among brothers and sisters carrier 13 again after the hub of described piece-type brake 7 is connected with the clutch drum of second clutch 8 with the clutch drum of the 3rd clutch 6 respectively; Clutch hub, the band brake 10 of first clutch 9 are connected with rear row's sun gear 11 respectively;
Described front-seat planetary pinion 3 is meshed with front-seat gear ring 5, front-seat sun gear 2 respectively; Rear rows of planetary gear 12 is meshed with rear ring gear 14, rear row's sun gear 11 respectively; Front-seat planet carrier 4 is connected with pto＝power take-off 15 respectively with rear ring gear 14.
The number of teeth, the modulus of front-seat planetary pinion 3 and rear rows of planetary gear 12 are identical, and the number of teeth, the modulus of front-seat gear ring 5 and rear ring gear 14 are identical, and the number of teeth, the modulus of front-seat sun gear 2 and rear row's sun gear 11 are identical.
Said structure working principle of the present invention is as follows:
Can make
, wherein Z
1for front-seat sun gear 2, rear row's sun gear 11 number of teeth, Z
2for front-seat gear ring 5, rear ring gear 14 number of teeth, be below each gear power transmission line and velocity ratio.
1 gear: piece-type brake 7 is braked, clutch 6 engages, and clutch 8, clutch 9 are separated, and band brake 10 is decontroled.Rear rows of planetary gear mechanism 17 freely dallies, and power drives front-seat planetary pinion 3 through power input shaft 1 by front-seat sun gear 2, front-seat planet carrier 4 rotates, and power is exported by pto＝power take-off 15, velocity ratio
;
2 gears: rear row's sun gear 11 does not rotate because band brake 10 brakes, clutch 6 engages, and piece-type brake 7 is decontroled, and clutch 8, clutch 9 are separated.Power drives front-seat planetary pinion 3 through power input shaft 1 successively by front-seat sun gear 2, front-seat planet carrier 4 rotates, and power is exported by pto＝power take-off 15, velocity ratio
;
3 gears: clutch 6, clutch 8 engage, and clutch 9 is separated, and piece-type brake 7, band brake 10 are decontroled.Rear rows of planetary gear mechanism 17 freely dallies, power drives front-seat gear ring 5 to rotate through power input shaft 1 through clutch 8, clutch 6, power inputs through front-seat sun gear 2 simultaneously, then passes to pto＝power take-off 15 and export by front-seat planetary pinion 3, front-seat planet carrier 4, velocity ratio
;
4 gears: rear row's sun gear 11 does not rotate because band brake 10 brakes, clutch 8 engages, and clutch 6, clutch 9 are separated.Front-seat planetary gears 16 freely dallies, power through power input shaft 1 to be delivered to after clutch 8 to rank after drive successively carrier 13, after rows of planetary gear 12, rear ring gear 14 rotate, power is exported by pto＝power take-off 15, velocity ratio;
5 reverse gear (R gear): piece-type brake 7 is braked, clutch 9 engages, and clutch 6, clutch 8 are separated, and band brake 10 is decontroled.Front-seat planetary gears 16 freely dallies, power through power input shaft 1 to be delivered to after clutch 9 to arrange after drive successively sun gear 11, after rows of planetary gear 12, rear ring gear 14 rotate, power is exported by pto＝power take-off 15, velocity ratio
.
Claims (2)
1. four gear planetary gear automatic transmissions, is characterized in that: comprise forward and backward rows of planetary gear mechanism, piece-type brake (7), band brake (10), the first to the 3rd clutch, power input shaft (1), pto＝power take-off (15); Wherein front-seat planetary gears (16) comprises front-seat sun gear (2), front-seat gear ring (5), front-seat planetary pinion (3), and the front-seat planet carrier (4) be connected with front-seat gear (3); The rear seniority among brothers and sisters carrier (13) that rear rows of planetary gear mechanism (17) comprises rear row's sun gear (11), rear ring gear (14), rear rows of planetary gear (12) and is connected with rear rows of planetary gear (12);
The clutch hub of wherein said front-seat sun gear (2), second clutch (8), the clutch drum of first clutch (9) are connected by power input shaft (1); The clutch hub of the 3rd clutch (6) is connected with front-seat gear ring (5); Be connected with rear seniority among brothers and sisters carrier (13) again after the hub of described piece-type brake (7) is connected with the clutch drum of second clutch (8) with the clutch drum of the 3rd clutch (6) respectively; Clutch hub, the band brake (10) of first clutch (9) are connected with rear row's sun gear (11) respectively;
Described front-seat planetary pinion (3) is meshed with front-seat gear ring (5), front-seat sun gear (2) respectively; (12 are meshed with rear ring gear (14), rear row's sun gear (11) rear rows of planetary gear respectively; Front-seat planet carrier (4) is connected with pto＝power take-off (15) respectively with rear ring gear (14).
2. a kind of four gear planetary gear automatic transmissions according to claim 1, it is characterized in that: the number of teeth, the modulus of front-seat planetary pinion (3) and rear rows of planetary gear (12) are identical, the number of teeth, the modulus of front-seat gear ring (5) and rear ring gear (14) are identical, and the number of teeth, the modulus of front-seat sun gear (2) and rear row's sun gear (11) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471484.9A CN102937167B (en) | 2012-11-20 | 2012-11-20 | Automatic transmission of four-gear planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471484.9A CN102937167B (en) | 2012-11-20 | 2012-11-20 | Automatic transmission of four-gear planetary gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937167A CN102937167A (en) | 2013-02-20 |
| CN102937167B true CN102937167B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210471484.9A Active CN102937167B (en) | 2012-11-20 | 2012-11-20 | Automatic transmission of four-gear planetary gear |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546098B (en) * | 2016-01-19 | 2017-10-17 | 无锡商业职业技术学院 | A kind of double speed automatic transmissions of clutch six of planetary gear type |
| CN105952855B (en) * | 2016-05-29 | 2018-04-17 | 无锡商业职业技术学院 | A kind of seven speed automatic transmission of list double pinions combined type |
| CN109973595B (en) * | 2019-04-16 | 2023-10-03 | 无锡商业职业技术学院 | Double-stage planetary gear type automatic transmission based on lever analysis method |
| CN110043613B (en) * | 2019-04-16 | 2023-10-20 | 无锡商业职业技术学院 | Single-stage planetary gear type automatic transmission based on lever analysis method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0305045B1 (en) * | 1987-07-22 | 1991-12-27 | Toyota Jidosha Kabushiki Kaisha | Planetary gear type speed change device to provide six speed stages with two single pinion type simple planetary gear mechanisms |
| CN2571676Y (en) * | 2002-10-09 | 2003-09-10 | 郑宜青 | Three-shift planetary gear automatic speed change mechanism for motorcycle |
| CN201651191U (en) * | 2010-02-11 | 2010-11-24 | 哈尔滨东安汽车发动机制造有限公司 | Automatic transmission planetary mechanism |
| CN202937743U (en) * | 2012-11-20 | 2013-05-15 | 无锡商业职业技术学院 | Automatic gearbox of four-gear planetary gear |
-
2012
- 2012-11-20 CN CN201210471484.9A patent/CN102937167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0305045B1 (en) * | 1987-07-22 | 1991-12-27 | Toyota Jidosha Kabushiki Kaisha | Planetary gear type speed change device to provide six speed stages with two single pinion type simple planetary gear mechanisms |
| CN2571676Y (en) * | 2002-10-09 | 2003-09-10 | 郑宜青 | Three-shift planetary gear automatic speed change mechanism for motorcycle |
| CN201651191U (en) * | 2010-02-11 | 2010-11-24 | 哈尔滨东安汽车发动机制造有限公司 | Automatic transmission planetary mechanism |
| CN202937743U (en) * | 2012-11-20 | 2013-05-15 | 无锡商业职业技术学院 | Automatic gearbox of four-gear planetary gear |
Non-Patent Citations (1)
| Title |
|---|
| 《自动变速器中行星齿轮机构的传动效率研究》;崔丽;《中国优秀硕士论文电子期刊网》;20060131;第10-21页 * |
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Effective date of registration: 20190709 Address after: 221600 West of Hankang Road, Peixian Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Yunyi Nonwoven Products Co., Ltd. Address before: 214153 No. 809 Qianhu Road, Huishan District, Wuxi City, Jiangsu Province Patentee before: Wuxi Institute of Commerce |
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Effective date of registration: 20210722 Address after: 213000 No. 16, Gongyuan Road, industrial park, Xuebu Town, Jintan District, Changzhou City, Jiangsu Province Patentee after: Changzhou Xupu Auto Parts Co.,Ltd. Address before: 221600 west side of hankang Road, Peixian Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Yunyi Nonwoven Products Co.,Ltd. |
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