CN109458440B - Double-flow gearbox - Google Patents
Double-flow gearbox Download PDFInfo
- Publication number
- CN109458440B CN109458440B CN201811637926.6A CN201811637926A CN109458440B CN 109458440 B CN109458440 B CN 109458440B CN 201811637926 A CN201811637926 A CN 201811637926A CN 109458440 B CN109458440 B CN 109458440B
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- gear
- differential
- shaft
- input 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000011065 in-situ storage Methods 0.000 claims abstract description 9
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/05—Multiple interconnected differential sets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H2048/02—Transfer gears for influencing drive between outputs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention 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 planetary gear, a half-shaft gear and a bearing, wherein the differential gear is arranged on the shell; when the vehicle runs straight, power is input by the bevel gear input shaft I to drive the differential gear I to rotate, the differential gear I drives the differential gear shell to run, the differential gear shell drives the two planetary gears connected through the short shaft to run, and as the differential gear I is locked, the two planetary gears connected through the short shaft drive the half shaft gear to rotate, so that the vehicle can run straight; during in-situ steering, power is input by a bevel gear input shaft II, a bevel gear of the bevel gear input shaft II drives a bevel gear I and a bevel gear II to rotate, the rotation directions of the bevel gear I and the bevel gear II are opposite, and then a half shaft gear and a differential mechanism shell are driven to rotate, so that power driving of in-situ steering of the vehicle is realized. The problems of single function and fixed driving direction of the existing transmission are solved.
Description
Technical Field
The invention relates to a gearbox, in particular to a double-flow gearbox.
Background
At present, the automobile gearbox mostly adopts the design of a differential mechanism, so that the problems of normal running of an automobile and power distribution when one side tire is slipped can be solved, but the power distribution and driving of some special vehicles obviously cannot meet the requirements.
Therefore, there is a need for a new transmission design that provides the function of enabling the vehicle to rotationally drive in place while providing normal differential functionality.
Disclosure of Invention
The invention aims to provide a double-flow gearbox which is used for solving the problems of single function and fixed driving direction of the existing gearbox.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A double-flow gearbox consists of a shell, a differential shell, a bevel gear input shaft, a transmission gear, a differential gear, a bevel gear, a differential planetary gear, a half shaft gear and a bearing; the planetary gears are connected in two groups through a short shaft; the assembly relation is as follows: the bevel gear of the bevel gear input shaft I is matched with the differential gear I, the bevel gear of the bevel gear input shaft III is matched with the differential gear III, the bevel gear of the bevel gear input shaft II is simultaneously matched with the bevel gear I and the bevel gear II, the three transmission gears are matched in series, one side of two planetary gears connected through a short shaft is matched with the differential planetary gears, and the other side of the two planetary gears is matched with the half shaft gear; when the vehicle is in straight line, power is input by the bevel gear input shaft I, the bevel gear input shaft transmits power to the differential gear I through the bevel gears one by one, and transmits power to the bevel gear input shaft III through the transmission gears on the other hand, the differential gear I drives the differential housing to operate, the differential housing drives the two planetary gears connected through the short shaft to operate, and the bevel gear I and the bevel gear II are connected through the bevel gears of the bevel gear input shaft II, so that the differential planetary gears I are locked, the two planetary gears connected through the short shaft drive the half shaft gears to rotate, and the rotation directions and the speed of the two sides are consistent, so that the vehicle is driven to run in straight line; when the vehicle needs to turn in situ, power is input by the bevel gear input shaft II, the bevel gear of the bevel gear input shaft II drives the bevel gear I and the bevel gear II to rotate, the rotation directions of the bevel gear I and the bevel gear II are opposite, the bevel gear I and the bevel gear II respectively drive the differential planet wheel I and the differential planet wheel II, and further drive the half shaft gear and the differential shell to rotate, and the rotation directions of the half shaft gears at two sides are opposite, so that power driving of the vehicle in situ turning is realized.
The shell is used for installing and fixing various parts.
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 mechanism shell is fixedly connected with the differential mechanism gear and synchronously rotates, and a short shaft in the differential mechanism shell, which is connected with the two planetary gears, is fixedly connected with the differential mechanism 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 bevel gear input shaft II is movably connected with the transmission gear II, and the transmission gear II can freely rotate around the bevel gear input shaft II as an axis.
The first differential planet wheel is fixedly connected with the first bevel gear through a shaft, the second differential planet wheel is fixedly connected with the second bevel gear through an intermediate connecting shaft, the intermediate connecting shaft is fixed on the shell through a bearing, free rotation is achieved, and the differential shell can rotate freely around the intermediate connecting shaft.
The invention has the following advantages:
After the design of the invention is adopted, the function of the original differential mechanism is realized, and the capability of outputting the driving force for the vehicle to rotate in situ is realized, so that the vehicle has better driving capability, the application range of the vehicle is improved, and the structure is simple and practical.
Drawings
FIG. 1 is a perspective view of a dual flow transmission of the present invention with the upper cover of the housing removed and the differential housing on one side.
FIG. 2 is a perspective view of a removed housing and one side differential housing of a dual flow transmission of the present invention.
In the figure: 1. a housing; 2. a differential case; 3. bevel gear input shaft; 4. a transmission gear; 5. a differential gear; 6. bevel gears; 7. planetary gears of the differential mechanism; 8. a planet wheel; 9. a side gear; 10. a bearing; 11. a short shaft; 12. bevel gears III of the bevel gear input shaft I; 13. bevel gears IV of the bevel gear input shaft III; 14. bevel gears five of the bevel gear input shaft II; 15-1, bevel gear one; 15-2, bevel gears II; 20 intermediate connection shaft.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Examples
Referring to fig. 1-2, a double-flow gearbox is composed of a casing 1, a differential casing 2, a bevel gear input shaft 3, a transmission gear 4, a differential gear 5, a bevel gear 6, a differential planetary gear 7, a planetary gear 8, a side gear 9 and a bearing 10; the planetary gears 8 are connected in groups through a short shaft 11; the assembly relation is as follows: the bevel gear III 12 of the bevel gear input shaft I3-1 is matched with the differential gear I5-1, the bevel gear IV 13 of the bevel gear input shaft III 3-3 is matched with the differential gear III 5-3, the bevel gear V14 of the bevel gear input shaft II 3-2 is simultaneously matched with the bevel gear I15-1 and the bevel gear II 15-2, the three transmission gears 4 are matched in series, one side of two planetary gears 8 connected through a short shaft 11 is matched with the differential planetary gear 7, and the other side is matched with the half shaft gear 9; when the vehicle is in straight line, power is input by the bevel gear input shaft I3-1, the bevel gear input shaft I3-1 transmits power to the differential gear I5-1 through the bevel gear III 12 on one hand, and transmits power to the bevel gear input shaft III 3-3 through the transmission gear 4 on the other hand, the differential gear I5-1 drives the differential case 2 to operate, the differential case 2 drives the two planetary gears 8 connected through the short shaft 11 to operate, and as the bevel gear V14 of the bevel gear input shaft II 3-2 is connected with the bevel gear I15-1 and the bevel gear II 15-2, the differential gear I7-1 is locked, the two planetary gears 8 connected through the short shaft 11 drive the half shaft gear 9 to rotate, the rotation directions of two sides are consistent and the rotation speeds are consistent, and the vehicle is driven in straight line; when the vehicle needs to turn in situ, power is input by the bevel gear input shaft II 3-2, the bevel gear V14 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 wheel I7-1 and the differential planet wheel II 7-2, further drive the side gears 9 and the differential case 2 to rotate, and the rotation directions of the side gears 9 on two sides are opposite, so that the power driving of the vehicle in situ turning is realized.
The housing 1 is used for mounting and fixing various components.
One end of the bevel gear input shaft 3 is provided with a bevel gear, and the other end is used for being connected with a power input shaft.
The differential housing 2 is fixedly connected with the differential gear 5, synchronously rotates, and a short shaft 11 in the differential housing 2 for connecting the two planetary gears 8 is fixedly connected with the differential housing 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 an axis.
The first differential planet wheel 7-1 is fixedly connected with the first bevel gear 15-1 through a shaft, the second differential planet wheel 7-2 is fixedly connected with the second bevel gear 15-2 through an intermediate connecting shaft 20, the intermediate connecting shaft 20 is fixed on the shell 1 through a bearing 10, free rotation is achieved, and the differential shell 2 can rotate freely around the intermediate connecting shaft 20.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (5)
1. A dual-flow gearbox, characterized by: the device consists 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 planetary gear (7), a planetary gear (8), a half-shaft gear (9) and a bearing (10); the planetary gears (8) are connected in a group by 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 matched with a bevel gear I (15-1) and a bevel gear II (15-2) at the same time, three transmission gears (4) are matched in series, and 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), the transmission gear II (4-2) can freely rotate around the bevel gear input shaft II (3-2) as an axis,
One side of two planetary gears (8) connected through a short shaft (11) is matched with a differential planetary gear (7), and the other side is matched with a half shaft gear (9); when the vehicle is in straight line, power is input by the bevel gear input shaft I (3-1), the bevel gear input shaft I (3-1) transmits power to the differential gear I (5-1) through the bevel gear III (12), the differential gear I (5-1) drives the differential case (2) to operate, the differential case (2) drives the two planet gears (8) connected through the short shaft (11) to operate, and the differential case I (7-1) is locked due to the fact that the bevel gear V (14) of the bevel gear input shaft II (3-2) is connected with the bevel gear I (15-1) and the bevel gear II (15-2), the two planet gears (8) connected through the short shaft (11) drive the half shaft gear (9) to rotate, the rotation directions of the two sides are consistent, and the speed is consistent, so that the vehicle is driven in straight line; when the vehicle needs to turn in situ, power is input by a bevel gear input shaft II (3-2), a bevel gear V (14) of the bevel gear input shaft II (3-2) drives a bevel gear I (15-1) and a 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 a differential planet wheel I (7-1) and a differential planet wheel II (7-2), and further drive a half-axle gear (9) and a differential shell (2) to rotate, and the rotation directions of the half-axle gears (9) on two sides are opposite, so that power driving of the vehicle in situ turning is realized.
2. A dual flow transmission as defined in claim 1, wherein: the shell (1) is used for installing and fixing various parts.
3. A dual flow transmission as defined 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 used for being connected with the power input shaft.
4.A dual flow transmission as defined in claim 1, wherein: the differential mechanism shell (2) is fixedly connected with the differential mechanism gear (5) and synchronously rotates, and a short shaft (11) connected with two planetary gears (8) in the differential mechanism shell (2) is fixedly connected with the differential mechanism shell (2).
5. A dual flow transmission as defined in claim 1, wherein:
The differential mechanism planet wheel I (7-1) is fixedly connected with the bevel gear I (15-1) through a shaft, the differential mechanism planet wheel II (7-2) is fixedly connected with the bevel gear II (15-2) through an intermediate connecting shaft (20), the intermediate connecting shaft (20) is fixed on the shell (1) through a bearing (10), free rotation is achieved, and the differential mechanism shell (2) can rotate freely around the intermediate connecting shaft (20) as a shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637926.6A CN109458440B (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637926.6A CN109458440B (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458440A CN109458440A (en) | 2019-03-12 |
| CN109458440B true CN109458440B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811637926.6A Active CN109458440B (en) | 2018-12-29 | 2018-12-29 | Double-flow gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458440B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081132A (en) * | 2019-05-30 | 2019-08-02 | 新乡北方车辆仪表有限公司 | A kind of three tunnels output transfer case |
| CN111532337B (en) * | 2020-05-18 | 2022-01-07 | 新乡北方车辆仪表有限公司 | Control method for comprehensive double-current electric transmission |
| CN112078360A (en) * | 2020-09-26 | 2020-12-15 | 郭佳 | Single-power-source dual-drive device and combination method |
| CN112128339A (en) * | 2020-10-20 | 2020-12-25 | 白金砖 | Pneumatic control differential mechanism |
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| CN109458440A (en) | 2019-03-12 |
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