CN219432358U - Hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery - Google Patents
Hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery Download PDFInfo
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- CN219432358U CN219432358U CN202320939091.XU CN202320939091U CN219432358U CN 219432358 U CN219432358 U CN 219432358U CN 202320939091 U CN202320939091 U CN 202320939091U CN 219432358 U CN219432358 U CN 219432358U
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Abstract
The utility model relates to a hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery, and belongs to the technical field of time-sharing four-drive gearboxes. The input shaft and the intermediate shaft are vertically arranged in the space, and the shaft ends of the input shaft and the intermediate shaft are respectively provided with a bevel gear I and a bevel gear II which are matched with each other; the speed changing part also comprises a transition shaft arranged in the shell, and the intermediate shaft is connected with the transition shaft through a gear shifting gear; the output part comprises an output shaft, the output shaft is connected with the transition shaft through a transmission gear, and one end of the output shaft is connected with the time dividing shaft through a combination sleeve I; a shift fork shaft parallel to the intermediate shaft is arranged on the shell on one side of the intermediate shaft, and a shift fork is arranged on the shift fork shaft and used for controlling a shift gear. The utility model provides a hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery, wherein a hydraulic driving motor can be transversely arranged, the wheel distance of front and rear wheels is integrally reduced, the turning radius is further reduced, the working gear is correspondingly increased, and the adaptability in the running process is improved.
Description
Technical Field
The utility model relates to a hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery, and belongs to the technical field of time-sharing four-drive gearboxes.
Background
At present, the existing gearbox is mainly composed of a box body, a clutch, a transmission main shaft, a gear on the gear shaft, a gear shifting fork and other main components, wherein a plurality of different types of gearboxes are extended according to different use scenes, the existing patent of the utility model in China is No. CN202021174962.6, power is transmitted and the rotating speed is changed through a plurality of shafts arranged in a space, as the use scenes are increased, the parallel shaft transmission leads to the requirement of longitudinal installation of a hydraulic drive motor arranged at an input shaft, the front wheel track and the rear wheel track are enlarged, and the turning radius is large; on the other hand, the gear is single in arrangement, and is combined with the spline on the shaft through the combination sleeve, so that the adaptability is poor.
Disclosure of Invention
The utility model aims to solve the technical problems that: the utility model provides a hydraulic drive timesharing four-wheel drive three-gear gearbox for harvester, but hydraulic drive motor transverse installation, the wheel base of whole reduction front and back wheel has further reduced turning radius, corresponds to increasing the working rail, improves the adaptability in the operation process.
The utility model relates to a hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery, which comprises a shell, a front-end input part, a middle speed changing part and a rear-end output part, wherein the input part, the speed changing part and the output part are arranged in the shell, the input part is connected with the speed changing part, and the speed changing part is connected with the output part; the input part comprises an input shaft arranged in the shell, the speed changing part comprises an intermediate shaft arranged in the shell, the input shaft and the intermediate shaft are vertically arranged in a space, and the shaft ends of the input shaft and the intermediate shaft are respectively provided with a bevel gear I and a bevel gear II which are matched with each other;
the speed changing part also comprises a transition shaft arranged in the shell, and the intermediate shaft is connected with the transition shaft through a gear shifting gear;
the output part comprises an output shaft, the output shaft is connected with the transition shaft through a transmission gear, and one end of the output shaft is connected with the time dividing shaft through a combination sleeve I;
a shift fork shaft parallel to the intermediate shaft is arranged on the shell on one side of the intermediate shaft, and a shift fork is arranged on the shift fork shaft and used for controlling a shift gear.
Further, the gear shifting fork is divided into a U-shaped long gear shifting fork and a short gear shifting fork, and the long gear shifting fork controls a gear shifting gear II on the transition shaft through a combined sleeve II; the short shift fork is used for controlling a shift gear III and a shift gear IV on the intermediate shaft through a combination sleeve III.
Further, the input shaft is connected with the bevel gear I through the spline I, and the intermediate shaft is connected with the bevel gear II through the spline II.
Further, the transition shaft is movably connected with a gear shifting gear II through a spline arranged on the surface; the intermediate shaft is movably connected with a shift gear IV through a spline arranged on the surface.
Further, the intermediate shaft is movably connected with the shifting gear III through the optical axis section.
Further, a brake device is arranged at one end of the output shaft far away from the time-sharing shaft.
Further, the output shaft is coaxially arranged with the time sharing shaft, a time sharing fork shaft is arranged in a shell on one side of the time sharing shaft, a time sharing fork is arranged on the time sharing fork shaft, and the time sharing fork is used for controlling connection or disconnection of the time sharing shaft and the output shaft through a combination sleeve I.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the hydraulic drive motor connected with the input shaft can be transversely arranged by being vertically arranged in the space between the input shaft and the intermediate shaft, so that the wheel track of the whole vehicle is shortened, the turning radius is reduced, and the operation is convenient.
According to the utility model, the intermediate shaft is movably connected with the gear shifting gear III through the optical axis section, so that the working gear is increased, the gear arrangement is reasonable, and the adaptability in the running process is improved.
The utility model is set to be driven by four-wheel drive in a time-sharing way, an operator can switch at will, the mechanical oil consumption is reduced, and the cost is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of embodiment 1 of the present utility model;
FIG. 2 is a second schematic structural view of embodiment 1 of the present utility model;
FIG. 3 is a schematic diagram of the input part structure of embodiment 1 of the present utility model;
fig. 4 is a schematic diagram of the structure of a transmission portion of embodiment 1 of the present utility model;
in the figure:
1. an input unit; 11. an input shaft; 12. bevel gears II; 13. bevel gears I;
2. a speed change section; 21. an intermediate shaft; 22. a gear II; 23. a gear III; 24. a shift gear IV; 25. a long shift fork; 26. a short shift fork; 27. a shift fork shaft; 28. a transition shaft;
3. an output unit; 31. an output shaft; 32. a transmission gear; 33. a time-sharing shifting fork; 34. a time dividing shaft; 35. a braking device;
4. a housing.
Detailed Description
Example 1
As shown in fig. 1 to 4, the hydraulic driving time-sharing four-drive three-gear gearbox for the harvesting machine according to the utility model comprises a shell 4, a front end input part 1, an intermediate speed change part 2 and a rear end output part 3, wherein the input part 1, the speed change part 2 and the output part 3 are arranged in the shell 4, the input part 1 is connected with the speed change part 2, and the speed change part 2 is connected with the output part 3; the input part 1 comprises an input shaft 11 arranged in the shell 4, the speed change part 2 comprises an intermediate shaft 21 arranged in the shell 4, the input shaft 11 and the intermediate shaft 21 are vertically arranged in space, and the shaft ends of the input shaft 11 and the intermediate shaft 21 are respectively provided with a bevel gear I13 and a bevel gear II 12 which are matched with each other;
the speed change part 2 further comprises a transition shaft 28 installed in the housing 4, and the intermediate shaft 21 is connected with the transition shaft 28 through a gear shift gear;
the output part 3 comprises an output shaft 31, the output shaft 31 is connected with the transition shaft 28 through a transmission gear 32, and one end of the output shaft 31 is connected with a time-sharing shaft 34 through a combination sleeve I;
a shift fork shaft 27 parallel to the intermediate shaft 21 is mounted on the housing 4 on one side, and a shift fork is mounted on the shift fork shaft 27 and used for controlling a shift gear.
The shifting fork is divided into a U-shaped long shifting fork 25 and a short shifting fork 26, and the long shifting fork 25 controls a shifting gear II 22 on a transition shaft 28 through a combined sleeve II; the short shift fork 26 is used to control the shift gears iii 23 and iv 24 on the intermediate shaft 21 by engaging the sleeve iii.
The input shaft 11 is connected with the bevel gear I13 through a spline I, and the intermediate shaft 21 is connected with the bevel gear II 12 through a spline II.
The transition shaft 28 is movably connected with the gear shifting gear II 22 through a spline arranged on the surface; the intermediate shaft 21 is movably connected with a shift gear IV 24 through a spline arranged on the surface.
The intermediate shaft 21 is movably connected with a shifting gear III 23 through an optical axis section.
A braking device 35 is arranged at one end of the output shaft 31 away from the time-sharing shaft 34; the brake 35 is a conventional brake in the art.
The output shaft 31 and the time sharing shaft 34 are coaxially arranged, a time sharing fork shaft is arranged in the shell 4 on one side of the time sharing shaft 34, a time sharing fork 33 is arranged on the time sharing fork shaft, and the time sharing fork 33 is used for controlling connection or disconnection of the time sharing shaft 34 and the output shaft 31 through a combination sleeve I.
The coupling sleeve is conventional in the art and will not be described in any great detail herein.
Working process or working principle:
first gear transmission route: the long shifting fork 25 slides rightwards on the shifting fork shaft 27 to drive the combination sleeve II to be combined with the combination teeth on the shifting gear II 22, power drives the bevel gear I13 through the spline I on the input shaft 11, the bevel gear I13 drives the bevel gear II 12, the bevel gear II 12 drives the intermediate shaft 21 through the transmission of the spline II, the gear section on the intermediate shaft drives the shifting gear II 22, the shifting gear II 22 drives the transition shaft 28 through the combination sleeve II, the gear section on the transition shaft 28 is meshed with the transmission gear 32, the transmission gear 32 drives the output shaft 31 through the spline arranged on the surface, the output shaft 31 drives the flange plate arranged on the shaft end through the spline arranged on the shaft end, and the output shaft is connected with the power to be output backwards through the flange plate.
Second gear transmission route (working gear): the short shift fork 26 slides leftwards on the shift fork shaft 27 to drive the combination sleeve III to be in friction combination with the combination teeth of the shift gear III 23 and the optical axis section of the intermediate shaft 21, power drives the bevel gear I13 through a spline I on the input shaft 11, the bevel gear I13 drives the bevel gear II 12, the bevel gear II 12 drives the intermediate shaft 21 through spline II transmission, the shift gear III 23 on the intermediate shaft drives a gear arranged on the transition shaft, the gear section on the transition shaft 28 is meshed with the transmission gear 32, the transmission gear 32 drives the output shaft 31 through a spline arranged on the surface, the output shaft 31 drives a flange plate arranged on the shaft end through a spline arranged on the shaft end, and the output shaft is connected with the power output backward through the flange plate.
Three-gear transmission route: the short shift fork 26 slides rightwards on the shift fork shaft 27 to drive the combination sleeve III to be combined with the combination teeth of the shift gear IV 24 and the spline arranged on the intermediate shaft 21, power drives the bevel gear I13 through the spline I on the input shaft 11, the bevel gear I13 drives the bevel gear II 12, the bevel gear II 12 drives the intermediate shaft 21 through the transmission of the spline II, the shift gear IV 24 on the intermediate shaft drives the gear arranged on the transition shaft, the gear section on the transition shaft 28 is meshed with the transmission gear 32, the transmission gear 32 drives the output shaft 31 through the spline arranged on the surface, the output shaft 31 drives the flange arranged on the shaft end through the spline arranged on the shaft end, and the power is output backwards through the flange connection.
The four-wheel drive route is that the output shaft 31 is combined with the time sharing shaft 34 by poking the combining sleeve I through the time sharing shifting fork 33, the gear installed at the shaft end of the output shaft is connected with the gear installed at the shaft end of the time sharing shaft, and the output shaft drives the time sharing shaft to output power forwards through the external gear sleeve (the combining sleeve I).
The four-wheel drive is separated, the time-sharing shifting fork 33 slides leftwards on the time-sharing fork shaft to drive the combining sleeve I to be disengaged from the gear on the time-sharing shaft, and at the moment, the forward output power is disconnected.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.
Claims (7)
1. The utility model provides a hydraulic drive timesharing four-wheel drive three-gear gearbox for harvester, includes casing (4), front end input unit (1), middle speed change portion (2) and rear end output unit (3), and casing (4) inside sets up input unit (1), speed change portion (2) and output unit (3), and speed change portion (2) are connected in input unit (1), and output unit (3) are connected in speed change portion (2); the speed changing part (2) comprises an intermediate shaft (21) arranged in the shell (4), the input shaft (11) and the intermediate shaft (21) are vertically arranged in space, and a bevel gear I (13) and a bevel gear II (12) which are matched with each other are respectively arranged at the shaft ends of the input shaft (11) and the intermediate shaft (21);
the speed changing part (2) further comprises a transition shaft (28) arranged in the shell (4), and the intermediate shaft (21) is connected with the transition shaft (28) through a gear shifting gear;
the output part (3) comprises an output shaft (31), the output shaft (31) is connected with the transition shaft (28) through a transmission gear (32), and one end of the output shaft (31) is connected with a time-sharing shaft (34) through a combination sleeve I;
a shift fork shaft (27) parallel to the intermediate shaft (21) is arranged on the shell (4) at one side of the intermediate shaft (21), and shift forks (25, 26) are arranged on the shift fork shaft (27).
2. The hydraulically driven time-sharing four-drive three-gear gearbox for harvesting machinery according to claim 1, characterized in that the shift forks are divided into a long shift fork (25) and a short shift fork (26), the long shift fork (25) controlling the shift gear ii (22) on the transition shaft (28) by means of a coupling sleeve ii; the short shift fork (26) is used for controlling a shift gear III (23) and a shift gear IV (24) on the intermediate shaft (21) by means of a coupling sleeve III.
3. The hydraulically driven time-sharing four-drive three-gear gearbox for harvesting machinery according to claim 1, wherein the input shaft (11) is connected to the bevel gear i (13) via a spline i and the intermediate shaft (21) is connected to the bevel gear ii (12) via a spline ii.
4. A hydraulically driven time-sharing four-drive three-gear gearbox for harvesting machinery according to any of claims 1-3, characterized in that the transition shaft (28) is movably connected with the gear change gear ii (22) by means of splines provided on the surface; the intermediate shaft (21) is movably connected with a gear shifting gear IV (24) through a spline arranged on the surface.
5. A hydraulically driven time-sharing four-drive three-speed gearbox for a harvesting machine according to any of claims 1-3, characterized in that the intermediate shaft (21) is movably connected to the shifting gear iii (23) via an optical axis segment.
6. The hydraulically driven time-sharing four-drive three-speed gearbox for harvesting machinery according to claim 5, wherein the end of the output shaft (31) remote from the time-sharing shaft (34) is provided with a brake device (35).
7. The hydraulic drive time-sharing four-drive three-gear gearbox for harvesting machinery according to claim 1, wherein the output shaft (31) is coaxially installed with the time-sharing shaft (34), a time-sharing fork shaft is arranged in a shell (4) on one side of the time-sharing shaft (34), a time-sharing fork (33) is installed on the time-sharing fork shaft, and the time-sharing fork (33) is used for controlling connection or disconnection of the time-sharing shaft (34) and the output shaft (31) through a combination sleeve I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939091.XU CN219432358U (en) | 2023-04-19 | 2023-04-19 | Hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939091.XU CN219432358U (en) | 2023-04-19 | 2023-04-19 | Hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219432358U true CN219432358U (en) | 2023-07-28 |
Family
ID=87334391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939091.XU Active CN219432358U (en) | 2023-04-19 | 2023-04-19 | Hydraulic driving time-sharing four-drive three-gear gearbox for harvesting machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219432358U (en) |
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2023
- 2023-04-19 CN CN202320939091.XU patent/CN219432358U/en active Active
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