CN202937678U - Automatic gearbox for planetary gear - Google Patents
Automatic gearbox for planetary gear Download PDFInfo
- Publication number
- CN202937678U CN202937678U CN 201220615916 CN201220615916U CN202937678U CN 202937678 U CN202937678 U CN 202937678U CN 201220615916 CN201220615916 CN 201220615916 CN 201220615916 U CN201220615916 U CN 201220615916U CN 202937678 U CN202937678 U CN 202937678U
- Authority
- CN
- China
- Prior art keywords
- clutch
- gear
- planetary
- seat
- planetary gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an automatic gearbox for a planetary gear. The gearbox comprises a planetary gear mechanism in a front row, a planetary gear mechanism in a rear row, a disc brake, a belt brake, a first clutch, a second clutch and a third clutch, wherein a clutch drum of the first clutch, a clutch drum of the third clutch and a clutch hub of the second clutch are connected through a power input shaft; the clutch drum of the second clutch is connected with a planet carrier in the rear row after being connected with a hub of the disc brake; a clutch hub of the first clutch is connected with a gear ring in the front row; a clutch hub of the third clutch is connected with a public sun gear; the public sun gear is respectively meshed with a planetary gear in the front row and a planetary gear in the rear row, and a gear ring in the rear row, the planetary gear in the rear row and the public sun gear are meshed; and a planet carrier in the front row and a gear ring in the rear row are connected with a power output shaft. According to the utility model, defects of complex structure and large size of the traditional automatic gearbox are overcome, and then a novel automatic gearbox for a planetary gear is provided.
Description
Technical field
The utility model relates to a kind of automatic transmission, particularly a kind of planetary gear automatic transmission.
Background technique
The Modern Car automatic transmission adopts planetary gears mostly, is comprised of 2-3 rows of planetary gear mechanism and relevant executive component.Simple planetary arrangement is comprised of sun gear, gear ring, planet carrier, and planetary pinion is arranged on planet carrier; Executive component mainly contains clutch, break, by executive components such as clutch, breaks, sun gear, gear ring, planet carrier is carried out different constraints and just can form different gears.
Traditional automatic transmission has that complex structure, cost are high, maintenance difficult, characteristics that transmission efficiency is low, along with the fast development of automotive engineering, in the urgent need to developing the automatic transmission that some are simple in structure, cost is low, easy to maintenance, transmission efficiency is high.
Summary of the invention
For above-mentioned prior art, technical problem to be solved in the utility model be to provide a kind ofly have that the Gear Processing number is few, simple and compact for structure, cost is low, executive component is few, the few planetary gear automatic transmission of executive component conversion during gearshift.
For solving the problems of the technologies described above, a kind of planetary gear automatic transmission of the present utility model comprises that forward and backward rows of planetary gear mechanism, chip break, band brake, first are to three-clutch; The clutch hub of the clutch drum of first clutch, the clutch drum of three-clutch, second clutch connects by power input shaft; The hub of the clutch drum of described second clutch and chip break is connected with rear rows of planetary frame again after being connected; The clutch hub of described first clutch is connected with front-seat gear ring; The clutch hub of described three-clutch is connected with public sun gear; Public sun gear is meshed with front-seat planetary pinion, rear rows of planetary gear respectively; Described public sun gear is connected with rear rows of planetary gear with front-seat planetary pinion; Described front-seat planet carrier is connected with pto＝power take-off with rear ring gear.
The utility model is a kind of planetary gear automatic transmission, the number of teeth, the modulus of front-seat planetary pinion and rear rows of planetary gear are identical, the number of teeth, the modulus of front-seat gear ring and rear ring gear are identical, can form the gear of 4 velocity ratio reasonable layouts, thus make that the Gear Processing number is few, simple and compact for structure, cost is low, executive component is few, during gearshift the executive component conversion few.
Description of drawings
Fig. 1 is drive path figure.
Embodiment
Be to reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the utility model, below engage accompanying drawing embodiment of the present utility model is described in detail.
A kind of planetary gear automatic transmission, comprise that forward and backward rows of planetary gear mechanism, power input shaft 1, pto＝power take-off 8, chip break 5, band brake 3, public sun gear 7, first are to three-clutch as shown in Figure 1; Wherein front-seat planetary gears 15 comprises front-seat gear ring 11, front-seat planetary pinion 9, and the front-seat planet carrier 10 that is connected with front-seat planetary pinion 9; Rear rows of planetary gear mechanism 16 comprises rear ring gear 12, rear rows of planetary gear 14, and the rear rows of planetary frame 13 that is connected with rear rows of planetary gear 14;
The clutch hub of the clutch drum of wherein said first clutch 2, the clutch drum of three-clutch 6, second clutch 4 connects by power input shaft 1; The clutch drum of described second clutch 4 be connected to again rear rows of planetary frame 13 after the hub of chip break 5 is connected; The clutch hub of described first clutch 2 is connected with front-seat gear ring 11; The clutch hub of described three-clutch 6 is connected with public sun gear 7;
Described public sun gear 7 is provided with band brake 3; Described public sun gear 7 is meshed with front-seat planetary pinion 9, rear rows of planetary gear 14 respectively; Described front-seat gear ring 11 is meshed with front-seat planetary pinion 9; Described rear ring gear 12 is meshed with rear rows of planetary gear 14; The described row of moving ahead star frame 10 is connected with rear ring gear and is connected with pto＝power take-off 8.
Wherein the number of teeth, the modulus of front-seat planetary pinion 9 and rear rows of planetary gear 14 are identical, and the number of teeth, the modulus of front-seat gear ring 11 and rear ring gear 12 are identical.
The utility model said structure working principle is as follows:
Can make
, Z wherein
1For establishing the number of teeth of public sun gear 7, Z
2The number of teeth for front-seat gear ring 11, rear ring gear 12.Below be each gear power transmission line and velocity ratio.
1 grade: clutch 2 engages, 5 brakings of chip break, and clutch 4, clutch 6 separate, and band brake 3 is decontroled.Power driven force input shaft 1 is through clutch 2, by front-seat gear ring 11 inputs, successively through front-seat planetary pinion 9, front-seat planet carrier 10, pto＝power take-off 8 outputting powers.Velocity ratio
2 gears: clutch 2 engages, band brake 3 brakings, and clutch 4, clutch 6 separate, and chip break 5 is decontroled.Rear rows of planetary gear mechanism 16 freely dallies, power driven force input shaft 1 through clutch 2, drive successively front-seat planetary pinion 9, front-seat planet carrier 10 by front-seat gear ring 11 and rotate, pto＝power take-off 8 outputting powers.Velocity ratio
3 gears: clutch 2 engages, clutch 6 engages, and clutch 4 separates, and band brake 3, chip break 5 are decontroled.Rear rows of planetary gear mechanism 16 freely dallies, power through power input shaft 1 respectively by clutch 6 pass to public sun gear 7, clutch 2 is passed to front-seat gear ring 11, then through front-seat planetary pinion 9, front-seat planet carrier 10, pto＝power take-off 8 outputting powers.The gear velocity ratio
4 gears: clutch 4 engages, band brake 3 brakings, and clutch 2, clutch 6 separate, and chip break 5 is decontroled.Front-seat planetary gears 15 freely dallies, and power is delivered to clutch 4 through power input shaft 1, and after driving successively, rows of planetary frame 13, rear rows of planetary gear 14, rear ring gear 12 rotate, pto＝power take-off 8 outputting powers.Velocity ratio
(R gear) reverses gear: clutch 6 engages, 5 brakings of chip break, and clutch 2, clutch 4 separate, and band brake 3 is decontroled.Front-seat planetary gears 15 freely dallies, and power is delivered to clutch 6 through power input shaft 1, drives successively public sun gear 7, rear rows of planetary gear 14, rear ring gear 12 rotations, and power is by pto＝power take-off 8 outputs.Velocity ratio
Claims (2)
1. a planetary gear automatic transmission, is characterized in that: comprise that forward and backward rows of planetary gear mechanism, power input shaft (1), pto＝power take-off (8), chip break (5), band brake (3), public sun gear (7), first are to three-clutch; Wherein front-seat planetary gears (15) comprises front-seat gear ring (11), front-seat planetary pinion (9), and the front-seat planet carrier (10) that is connected with front-seat planetary pinion (9); Rear rows of planetary gear mechanism (16) comprises rear ring gear (12), rear rows of planetary gear (14), and the rear rows of planetary frame (13) that is connected with rear rows of planetary gear (14);
The clutch hub of the clutch drum of wherein said first clutch (2), the clutch drum of three-clutch (6), second clutch (4) connects by power input shaft (1); The clutch drum of described second clutch (4) be connected to again rear rows of planetary frame (13) after the hub of chip break (5) is connected; The clutch hub of described first clutch (2) is connected with front-seat gear ring (11); The clutch hub of described three-clutch (6) is connected with public sun gear (7);
Described public sun gear (7) is provided with band brake (3); Described public sun gear (7) is meshed with front-seat planetary pinion (9), rear rows of planetary gear (14) respectively; Described front-seat gear ring (11) is meshed with front-seat planetary pinion (9); Described rear ring gear (12) is meshed with rear rows of planetary gear (14); The described row's of moving ahead star frame (10) is connected 12 with rear ring gear) be connected with pto＝power take-off (8).
2. a kind of planetary gear automatic transmission according to claim 1, it is characterized in that: front-seat planetary pinion (9) is identical with the number of teeth, the modulus of rear rows of planetary gear (14), and the number of teeth, the modulus of front-seat gear ring (11) and rear ring gear (12) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220615916 CN202937678U (en) | 2012-11-20 | 2012-11-20 | Automatic gearbox for planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220615916 CN202937678U (en) | 2012-11-20 | 2012-11-20 | Automatic gearbox for planetary gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937678U true CN202937678U (en) | 2013-05-15 |
Family
ID=48321918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220615916 Expired - Fee Related CN202937678U (en) | 2012-11-20 | 2012-11-20 | Automatic gearbox for planetary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202937678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937168A (en) * | 2012-11-20 | 2013-02-20 | 无锡商业职业技术学院 | Automatic transmission of planet gear |
-
2012
- 2012-11-20 CN CN 201220615916 patent/CN202937678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937168A (en) * | 2012-11-20 | 2013-02-20 | 无锡商业职业技术学院 | Automatic transmission of planet gear |
| CN102937168B (en) * | 2012-11-20 | 2015-07-22 | 无锡商业职业技术学院 | Automatic transmission of planet gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131120 |