CN209925555U - Double-flow gearbox - Google Patents
Double-flow gearbox Download PDFInfo
- Publication number
- CN209925555U CN209925555U CN201822252757.6U CN201822252757U CN209925555U CN 209925555 U CN209925555 U CN 209925555U CN 201822252757 U CN201822252757 U CN 201822252757U CN 209925555 U CN209925555 U CN 209925555U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- gear
- differential
- input shaft
- shaft
- 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.)
- Withdrawn - After Issue
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 3
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
Images
Abstract
The utility model discloses a double-flow gearbox, which consists of a shell, a differential shell, a bevel gear input shaft, a transmission gear, a differential gear, a bevel gear, a differential planet gear, a half axle gear and a bearing; when the vehicle runs straight, power is input through a bevel gear input shaft I to drive a differential gear I to rotate, the differential gear drives a differential shell to operate, the differential shell drives two planet wheels connected through a short shaft to operate, and the differential planet wheels I are locked, so that the two planet wheels connected through the short shaft drive a half shaft gear to rotate, and the driving of the vehicle in straight running is realized; when the vehicle is in-situ steered, power is input through the bevel gear input shaft II, the bevel gear five of the bevel gear input shaft II drives the bevel gear I and the bevel gear II to rotate, the rotating directions of the bevel gear I and the bevel gear II are opposite, and then the half axle gear and the differential mechanism shell are driven to rotate, so that the power driving of the vehicle in-situ steering is realized. The problem of current derailleur function singleness, drive direction are fixed is solved.
Description
Technical Field
The utility model relates to a gearbox, concretely relates to double-flow gearbox.
Background
At present, the automobile gearbox is mostly designed by adopting a differential mechanism, the power distribution problem when the automobile runs normally and a tire on one side slips can be solved, but the power distribution and the driving of some special vehicles obviously cannot meet the requirements.
Therefore, there is a need for a new transmission design that provides the normal differential function while providing the function of driving force output for in-situ rotation of the vehicle.
Disclosure of Invention
An object of the utility model is to provide a double-flow gearbox for solve current derailleur function singleness, the fixed problem of direction of drive.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-flow gearbox comprises a shell, a differential shell, a bevel gear input shaft, a transmission gear, a differential gear, a bevel gear, a differential planet gear, a half axle gear and a bearing; the two planetary wheels are connected through a short shaft; the assembly relation is as follows: a third bevel gear of the first bevel gear input shaft is matched with the first differential gear, a fourth bevel gear of the third bevel gear input shaft is matched with the third differential gear, a fifth bevel gear of the second bevel gear input shaft is simultaneously matched with the first bevel gear and the second bevel gear, the three transmission gears are in serial matching, one sides of two planet gears connected through short shafts are matched with the planet gears of the differential, and the other sides of the two planet gears are matched with the half axle gear; when the vehicle moves straight, power is input through a bevel gear input shaft I, the bevel gear input shaft transmits the power to a differential gear I through a bevel gear III on one hand, and transmits the power to the bevel gear input shaft III through a transmission gear on the other hand, the differential gear drives a differential housing to operate, the differential housing drives two planet gears connected through a short shaft to operate; when the vehicle needs to steer in place, power is input through the bevel gear input shaft II, the bevel gear five of the bevel gear input shaft II drives the bevel gear I and the bevel gear II to rotate, the rotating directions of the bevel gear I and the bevel gear II are opposite, the bevel gear I and the bevel gear II drive the differential planet gear I and the differential planet gear II respectively, further, the half axle gear and the differential shell are driven to rotate, the rotating directions of the half axle gears on two sides are opposite, and power driving of the vehicle for steering in place is achieved.
The shell is used for installing and fixing various components.
One end of the bevel gear input shaft is provided with a bevel gear, and the other end of the bevel gear input shaft is used for being connected with the power input shaft.
The differential shell is fixedly connected with the differential gear and synchronously rotates, and the short shaft which is connected with the two planet wheels in the differential shell is fixedly connected with the differential shell.
The bevel gear input shaft I is fixedly connected with the transmission gear I; the bevel gear input shaft III is fixedly connected with the transmission gear III; the second bevel gear input shaft is movably connected with the second transmission gear, and the second transmission gear can freely rotate around the second bevel gear input shaft.
The planet gear and the bevel gear I are fixedly connected through a shaft, the intermediate connecting shaft is fixed on the shell through a bearing to realize free rotation, and the differential shell can rotate freely around the intermediate connecting shaft as a shaft.
The utility model has the advantages of as follows:
after the design of the invention is adopted, the function of the original differential is realized, and simultaneously, the differential has the capability of outputting the driving force for rotating the vehicle in situ, so that the vehicle has better driving capability, the application range of the vehicle is improved, and the differential has simple and practical structure.
Drawings
Fig. 1 is a perspective view of the double flow transmission of the present invention, with the upper cover of the case and the case of the differential on one side removed.
Fig. 2 is a perspective view of the double flow transmission of the present invention with the case removed and the differential case on one side.
In the figure: 1. a housing; 2. a differential housing; 3. a bevel gear input shaft; 4. a transmission gear; 5. a differential gear; 6. a bevel gear; 7. a differential planet gear; 8. a planet wheel; 9. a half shaft gear; 10. a bearing; 11. a minor axis; 12. a third bevel gear; 13. a fourth bevel gear; 14. a fifth bevel gear; 15. a bevel gear.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1-2, a dual flow transmission consists of a housing 1, a differential housing 2, a bevel gear input shaft 3, a transmission gear 4, a differential gear 5, a bevel gear 6, a differential planet gear 7, a planet gear 8, a side gear 9 and a bearing 10; the two planet wheels 8 are connected through a short shaft 11; the assembly relation is as follows: a bevel gear III 12 of a bevel gear input shaft I3-1 is matched with a differential gear I5-1, a bevel gear IV 13 of the bevel gear input shaft III 3-3 is matched with a differential gear III 5-3, a bevel gear V14 of a bevel gear input shaft II 3-2 is simultaneously matched with a bevel gear I15-1 and a bevel gear II 15-2, three transmission gears 4 are in series matching, one sides of two planet gears 8 connected through a short shaft 11 are matched with a differential planet gear 7, and the other sides of the two planet gears are matched with a half shaft gear 9; when the vehicle moves straight, power is input through a bevel gear input shaft I3-1, the bevel gear input shaft I3-1 transmits power to a differential gear I5-1 through a bevel gear III 12 on one hand, and transmits power to the bevel gear input shaft III 3-3 through a transmission gear 4 on the other hand, the differential gear I5-1 drives a differential housing 2 to operate, the differential housing 2 drives two planet wheels 8 connected through a short shaft 11 to operate, and because a bevel gear V14 of the bevel gear input shaft II 3-2 is connected with a bevel gear I15-1 and a bevel gear II 15-2, the differential planet wheels I7-1 are locked, the two planet wheels 8 connected through the short shaft 11 drive a half shaft gear 9 to rotate, the rotating directions of two sides are consistent, the speeds are consistent, and the driving of the vehicle in straight-line driving is; when the vehicle needs to turn on site, power is input through the bevel gear input shaft II 3-2, the bevel gear five 14 of the bevel gear input shaft II 3-2 drives the bevel gear I15-1 and the bevel gear II 15-2 to rotate, the rotation directions of the bevel gear I15-1 and the bevel gear II 15-2 are opposite, the bevel gear I15-1 and the bevel gear II 15-2 respectively drive the differential planet gear I7-1 and the differential planet gear II 7-2, further the half shaft gear 9 and the differential shell 2 are driven to rotate, the rotation directions of the half shaft gears 9 on two sides are opposite, and power driving of the vehicle for turning on site is achieved.
The housing 1 is used to mount and fix various components.
One end of the bevel gear input shaft 3 is provided with a bevel gear, and the other end of the bevel gear input shaft is connected with a power input shaft.
The differential case 2 is fixedly connected with the differential gear 5 and synchronously rotates, and a short shaft 11 which is connected with two planet wheels 8 and is arranged in the differential case 2 is fixedly connected with the differential case 2.
The bevel gear input shaft I3-1 is fixedly connected with the transmission gear I4-1; the bevel gear input shaft III 3-3 is fixedly connected with the transmission gear III 4-3; the bevel gear input shaft II 3-2 is movably connected with the transmission gear II 4-2, and the transmission gear II 4-2 can freely rotate around the bevel gear input shaft II 3-2 as a shaft.
The planet gear 8 is fixedly connected with the bevel gear I15-1 through a shaft, the intermediate connecting shaft is fixed on the shell 1 through a bearing 10 to realize free rotation, and the differential shell 2 can rotate freely around the intermediate connecting shaft as the shaft.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A dual flow transmission, characterized by: the differential gear mechanism is composed of a shell (1), a differential shell (2), a bevel gear input shaft (3), a transmission gear (4), a differential gear (5), a bevel gear (6), a differential planet gear (7), a planet gear (8), a half axle gear (9) and a bearing (10); the two planetary wheels (8) are connected through a short shaft (11); the assembly relation is as follows: a bevel gear III (12) of a bevel gear input shaft I (3-1) is matched with a differential gear I (5-1), a bevel gear IV (13) of the bevel gear input shaft III (3-3) is matched with the differential gear III (5-3), a bevel gear V (14) of a bevel gear input shaft II (3-2) is simultaneously matched with a bevel gear I (15-1) and a bevel gear II (15-2), three transmission gears (4) are in series matching, one sides of two planet gears (8) connected through a short shaft (11) are matched with a differential planet gear (7), and the other sides of the two planet gears are matched with a half shaft gear (9); when the vehicle moves straight, power is input through a first bevel gear input shaft (3-1), the first bevel gear input shaft (3-1) transmits power to a first differential gear (5-1) through a third bevel gear (12) on one hand, and transmits power to the third bevel gear input shaft (3-3) through a transmission gear (4) on the other hand, the first differential gear (5-1) drives a differential housing (2) to operate, the differential housing (2) drives two planet gears (8) connected through a short shaft (11) to operate, as a fifth bevel gear (14) of the second bevel gear input shaft (3-2) is connected with the first bevel gear (15-1) and the second bevel gear (15-2), the first differential planet gear (7-1) is locked, and the two planet gears (8) connected through the short shaft (11) drive a half shaft gear (9) to rotate, the rotation directions and the speeds of the two sides are consistent, so that the driving of the straight running of the vehicle is realized; when the vehicle needs to steer in place, power is input through the bevel gear input shaft II (3-2), the bevel gear five (14) of the bevel gear input shaft II (3-2) drives the bevel gear I (15-1) and the bevel gear II (15-2) to rotate, the rotation directions of the bevel gear I (15-1) and the bevel gear II (15-2) are opposite, the bevel gear I (15-1) and the bevel gear II (15-2) respectively drive the differential planet gear I (7-1) and the differential planet gear II (7-2) to further drive the half axle gear (9) and the differential shell (2) to rotate, the rotation directions of the half axle gears (9) on two sides are opposite, and the power driving of the vehicle for steering in place is achieved.
2. A dual flow transmission as claimed in claim 1, wherein: the shell (1) is used for installing and fixing various components.
3. A dual flow transmission as claimed in claim 1, wherein: one end of the bevel gear input shaft (3) is provided with a bevel gear, and the other end of the bevel gear input shaft is connected with the power input shaft.
4. A dual flow transmission as claimed in claim 1, wherein: the differential shell (2) is fixedly connected with the differential gear (5) and synchronously rotates, and a short shaft (11) which is connected with the two planet wheels (8) in the differential shell (2) is fixedly connected with the differential shell (2).
5. A dual flow transmission as claimed in claim 1, wherein: the bevel gear input shaft I (3-1) is fixedly connected with the transmission gear I (4-1); the bevel gear input shaft III (3-3) is fixedly connected with the transmission gear III (4-3); the bevel gear input shaft II (3-2) is movably connected with the transmission gear II (4-2), and the transmission gear II (4-2) can freely rotate around the bevel gear input shaft II (3-2) as a shaft.
6. A dual flow transmission as claimed in claim 1, wherein: the planet gear (8) is fixedly connected with the bevel gear I (15-1) through a shaft, the intermediate connecting shaft is fixed on the shell (1) through a bearing (10) to realize free rotation, and the differential shell (2) can rotate freely around the intermediate connecting shaft as the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252757.6U CN209925555U (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252757.6U CN209925555U (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925555U true CN209925555U (en) | 2020-01-10 |
Family
ID=69066123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252757.6U Withdrawn - After Issue CN209925555U (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454416A (en) * | 2020-10-26 | 2021-03-09 | 深圳市优必选科技股份有限公司 | Servo steering wheel module and robot |
-
2018
- 2018-12-29 CN CN201822252757.6U patent/CN209925555U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454416A (en) * | 2020-10-26 | 2021-03-09 | 深圳市优必选科技股份有限公司 | Servo steering wheel module and robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240514 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240514 |