CN222950358U - A front box gear transmission mechanism for a micro-tillage machine - Google Patents
A front box gear transmission mechanism for a micro-tillage machine Download PDFInfo
- Publication number
- CN222950358U CN222950358U CN202421912562.9U CN202421912562U CN222950358U CN 222950358 U CN222950358 U CN 222950358U CN 202421912562 U CN202421912562 U CN 202421912562U CN 222950358 U CN222950358 U CN 222950358U
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- transmission
- transition
- front box
- 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.)
- Active
Links
Landscapes
- Soil Working Implements (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to a front box gear transmission mechanism of a mini-tiller, which relates to the technical field of gear boxes of mini-tiller, and comprises a front box, an input shaft horizontally penetrating into the front box and an output shaft parallel to the input shaft, wherein the output shaft is in transmission connection with the input shaft through a transmission assembly, a transition shaft vertical to the output shaft is horizontally penetrated into the front box, the transition shaft is in transmission connection with the output shaft through a bevel gear set, and a transition gear for meshing with gears in other boxes is arranged on the transition shaft. The input shaft transmits power to the output shaft through the transmission assembly, the output shaft transmits power to the transition shaft through the bevel gear group, the transition shaft rotates to drive the transition gear to rotate, when other boxes are externally connected, the transition gear is meshed with gears with transmission functions in other boxes, when other boxes are not required to be externally connected, the cutter shaft or the walking shaft can be meshed through the transition gear, and axial thrust is not generated, so that the transmission effect of the gearbox of the mini-tiller is improved.
Description
Technical Field
The utility model relates to the technical field of micro-cultivator gearboxes, in particular to a micro-cultivator front box gear transmission mechanism.
Background
The mini-tiller uses a small diesel engine or a gasoline engine as power and an integral speed change gear box or a belt clutch as a transmission agricultural operation machine, and has the characteristics of light weight, small volume, simple structure, convenient operation, easy maintenance, stable and reliable work, long service life, low oil consumption, high production efficiency and the like.
The transmission system of the mini-tiller generally comprises an engine and a gearbox, wherein the engine transmits power to the gearbox, the gearbox comprises a front box and a rear box, the front box and the rear box are respectively connected with a cutter box and a walking box through a transmission mechanism, the cutter box is used for installing a tiller assembly, and the walking box is used for installing walking wheels.
In the related art, reference may be made to the chinese patent of the issued publication No. CN213117324U, which discloses a transmission mechanism of a mini-tiller, including a main shaft, a secondary shaft, a bevel gear shaft, a driven bevel gear shaft and an output shaft, multiple gear transmissions are provided between the main shaft, the secondary shaft and the bevel gear shaft, a first bevel gear shaft is provided at an end of the bevel gear shaft, a second bevel gear and a third bevel gear are provided at two ends of the driven bevel gear shaft, the second bevel gear is engaged with the first bevel gear, a fourth bevel gear is provided on the output shaft, the fourth bevel gear is engaged with the third bevel gear, and the bevel gear shaft and the output shaft are parallel to each other.
The cutter is connected to the output shaft, power is transmitted to the cutter after sequentially passing through the main shaft, the auxiliary shaft, the bevel gear shaft, the driven bevel gear shaft and the output shaft, when the mini-tiller needs to be externally connected with a new machine tool, for example, when the mini-tiller is matched with the parts such as grass cutting, snow cleaning, branch and leaf crushing, ditching and backfilling, the cutter is externally connected with the output shaft, the cutter cannot be used as a power transmission shaft to carry out power transmission on a new transmission box, and the driven bevel gear shaft is directly externally connected with the new transmission box to generate axial thrust, so that the transmission effect is reduced, and the transmission effect of the gearbox of the mini-tiller is reduced.
Disclosure of utility model
The utility model provides a front box gear transmission mechanism of a mini-tiller in order to improve the transmission effect of a gearbox of the mini-tiller.
The application provides a front box gear transmission mechanism of a mini-tiller, which adopts the following technical scheme:
The utility model provides a machine front box gear drive mechanism is ploughed a little, includes the front box, the level wears to locate the input shaft that is used for linking to each other with the input power in the front box and the output shaft parallel with the input shaft, the output shaft passes through drive assembly and is connected with the input shaft transmission, still the level wears to be equipped with the transition axle mutually perpendicular with the output shaft in the front box, the transition axle passes through bevel gear group and is connected with the output shaft transmission, be equipped with on the transition axle and be used for with other box in gear engagement's transition gear.
Through adopting above-mentioned technical scheme, power take off to the input shaft, the input shaft passes through drive assembly with power and transmits to the output shaft, the output shaft passes through bevel gear group with power transmission to the transition axle, the transition axle rotates and drives transition gear and rotate, when external other boxes, through the gear engagement that has the transmission function in transition gear and other boxes, in order to realize the power transmission of external other boxes, when need not external other boxes, can also mesh cutter shaft or walking axle through transition gear, and can not produce axial thrust, with this transmission effect that has improved the mini-tiller gearbox.
Optionally, the transmission assembly includes:
the transmission shaft horizontally penetrates through the front box and is parallel to the input shaft, and the transmission shaft is in transmission connection with the input shaft through the gear shifting assembly;
the transmission gear is coaxially and fixedly arranged on the output shaft and is in transmission connection with the transmission shaft.
Through adopting above-mentioned technical scheme, the input shaft passes through gear shifting subassembly with power transmission to the transmission shaft, and the transmission shaft rotates and drives drive gear and rotate, and drive gear rotates and drives the output shaft and rotate, and the output shaft is with power transmission to the transition axle to this transport that realizes power.
Optionally, the gear shifting assembly includes:
The front box is provided with a shifting fork for driving the duplex speed-changing gear to move along the axial direction of the input shaft;
the first gear is coaxially and fixedly arranged on the transmission shaft and meshed with the transmission gear;
The second gear is coaxially and fixedly arranged on the transmission shaft, the outer diameter of the first gear is larger than that of the second gear, the first gear is meshed with one gear of the duplex speed change gear in the first gear, and the second gear is meshed with the other gear of the duplex speed change gear in the second gear.
Through adopting above-mentioned technical scheme, the input shaft rotates and drives duplex speed change gear and rotate, stir the shift fork and make duplex speed change gear and a fender gear meshing, second fender gear and duplex speed change gear meshing this moment, duplex speed change gear drives the transmission shaft through a fender gear and rotates, when changing the fender position, stir the shift fork and drive duplex speed change gear and a fender gear and break away from for another gear of duplex speed change gear and second fender gear meshing, power is transmitted to the transmission shaft and is driven the transmission shaft and rotate behind duplex speed change gear and the second fender gear, with the required different fender position's of this adaptation requirement.
Optionally, the bevel gear set includes:
the driving bevel gear is coaxially and fixedly arranged on the output shaft;
The driven bevel gear is coaxially and fixedly arranged on the transition shaft and meshed with the driving bevel gear.
Through adopting above-mentioned technical scheme, power is transmitted to the output shaft through the input shaft, and the output shaft rotates and drives the transition axle through initiative bevel gear and driven bevel gear and rotate, and the transition axle drives the transition gear and rotates to this realizes power transmission and power direction's between output shaft and the transition axle conversion, produces axial thrust's probability when reducing external other boxes, thereby improves driven stability.
Optionally, support bearings are arranged among the input shaft, the transmission shaft, the output shaft, the transition shaft and the front box.
Through adopting above-mentioned technical scheme, a plurality of support bearings support input shaft, transmission shaft, output shaft and transition axle respectively to improve input shaft, transmission shaft, output shaft and transition axle and carry out power transmission's stability.
In summary, the present application includes at least one of the following beneficial technical effects:
The power output to the input shaft, the input shaft passes through drive assembly with power transmission to the output shaft, the output shaft passes through bevel gear group with power transmission to the transition axle, the transition axle rotates and drives transition gear and rotate, when external other boxes, through the gear engagement that has the transmission function in transition gear and other boxes, in order to realize the power transmission of external other boxes, when need not external other boxes, can also mesh cutter axle or walking axle through transition gear, and can not produce axial thrust, with this transmission effect that has improved the mini-tiller gearbox.
Drawings
FIG. 1 is a schematic view showing the overall internal structure of a front case in the present application;
FIG. 2 is a schematic illustration of the positional relationship of the input shaft, drive shaft, output shaft and transition shaft in the present application;
Fig. 3 is a schematic view of the structure of the transmission assembly and the shift assembly of the present application.
Reference numeral 1, front case; 11, a support bearing, 2, an input shaft, 3, an output shaft, 4, a transmission assembly, 41, a transmission shaft, 42, a transmission gear, 5, a transition shaft, 51, a transition gear, 6, a bevel gear set, 61, a driving bevel gear, 62, a driven bevel gear, 7, a gear shifting assembly, 71, a duplex speed change gear, 72, a first gear, 73 and a second gear.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a front box gear transmission mechanism of a mini-tiller.
Referring to fig. 1 and 2, a front box gear transmission mechanism of a mini-tiller comprises a front box 1, an input shaft 2 horizontally penetrating through the front box 1 and used for being connected with input power, and an output shaft 3 parallel to the input shaft 2, wherein the output shaft 3 is in transmission connection with the input shaft 2 through a transmission assembly 4, a transition shaft 5 perpendicular to the output shaft 3 is horizontally penetrating through the front box 1, the transition shaft 5 is in transmission connection with the output shaft 3 through a bevel gear set 6, and a transition gear 51 used for being meshed with gears in other boxes is arranged on the transition shaft 5.
Referring to fig. 1 and 2, an opening is formed at one end of the front case 1 far away from the input shaft 2, the transition shaft 5 is disposed at the opening, and when other cases are externally connected, the other cases can be a gear case or a traveling case, and the other cases are connected to the opening of the front case 1, so that gears in the other cases are meshed with the transition gear 51, and when the other cases are not required to be externally connected, the cutter shaft or the traveling shaft can be meshed through the transition gear 51.
Referring to fig. 1 and 3, the transmission assembly 4 includes a transmission shaft 41 and a transmission gear 42, the transmission shaft 41 horizontally penetrates through the front case 1 and is parallel to the output shaft 3, the transmission shaft 41 is in transmission connection with the input shaft 2 through the gear shifting assembly 7, and the transmission gear 42 is coaxially and fixedly arranged on the output shaft 3 and is in transmission connection with the transmission shaft 41.
Referring to fig. 1 and 2, support bearings 11 are provided between the input shaft 2, the transmission shaft 41, the output shaft 3, the transition shaft 5 and the front case 1, and a plurality of support bearings 11 support the input shaft 2, the transmission shaft 41, the output shaft 3 and the transition shaft 5, respectively, to improve the stability of transmission.
Referring to fig. 1 and 3, the gear shift assembly 7 includes a duplex speed change gear 71, a first gear 72 and a second gear 73, the duplex speed change gear 71 is coaxially disposed on the input shaft 2, the duplex speed change gear 71 rotates synchronously with the input shaft 2, a shift fork (not shown in the drawings) for driving the duplex speed change gear 71 to move along the axial direction of the input shaft 2 is disposed on the front case 1, and the shift fork shifts the duplex speed change gear 71 without affecting the synchronous rotation of the duplex speed change gear 71 and the input shaft 2.
Referring to fig. 1 and 3, a first gear 72 is coaxially fixed on the transmission shaft 41 and engaged with the transmission gear 42, a second gear 73 is coaxially fixed on the transmission shaft 41, the outer diameter of the first gear 72 is larger than that of the second gear 73, in the first gear, the first gear 72 is engaged with one of the gears of the double speed change gear 71, in the second gear, the second gear 73 is engaged with the other gear of the double speed change gear 71, and in the mini tiller working process, only one gear of the double speed change gear 71 can be in an engaged state at a time.
Referring to fig. 1 and 2, the power input system transmits power to the input shaft 2, the input shaft 2 rotates to drive the duplex speed change gear 71 to rotate, the duplex speed change gear 71 drives the transmission shaft 41 to rotate through the first gear 72 or the second gear 73, and simultaneously the first gear 72 drives the output shaft 3 to rotate, and the output shaft 3 rotates and transmits power to the transition shaft 5 through the bevel gear set 6.
Referring to fig. 1 and 2, the bevel gear set 6 includes a driving bevel gear 61 and a driven bevel gear 62, the driving bevel gear 61 is coaxially fixed on the output shaft 3, the driven bevel gear 62 is coaxially fixed on the transition shaft 5 and meshed with the driving bevel gear 61, in other embodiments, the output shaft 3 may be a bevel gear shaft, and the driven bevel gear 62 is meshed with one end of the bevel gear shaft having a bevel gear structure.
Referring to fig. 1 and 2, the output shaft 3 rotates to drive the transition shaft 5 to rotate through the driving bevel gear 61 and the driven bevel gear 62, the transition shaft 5 drives the transition gear 51 to rotate, when other boxes are externally connected, the other boxes are connected with the opening of the front box 1, so that gears in the other boxes are meshed with the transition gear 51, next-stage power transmission is performed through the transition gear 51, so that power transmission of the micro-cultivator gearbox externally connected with other boxes is realized, when other boxes are not required to be externally connected, the cutter shaft or the walking shaft can be meshed through the transition gear 51, axial thrust is not generated, and the transmission effect of the micro-cultivator gearbox is improved.
The working principle of the embodiment of the application is as follows:
The power input system transmits power to the input shaft 2, the input shaft 2 rotates to drive the duplex speed change gear 71 to rotate, the duplex speed change gear 71 drives the transmission shaft 41 to rotate through the first gear 72 or the second gear 73, meanwhile, the first gear 72 drives the output shaft 3 to rotate, the output shaft 3 rotates to drive the transition shaft 5 to rotate through the driving bevel gear 61 and the driven bevel gear 62, the transition shaft 5 drives the transition gear 51 to rotate, when other boxes are externally connected, other boxes are connected with the opening of the front box 1, gears in the other boxes are meshed with the transition gear 51, next-stage power transmission is carried out through the transition gear 51, so that the power transmission of the micro-cultivator gearbox externally connected with other boxes is realized, when the other boxes are not required to be externally connected, the cutter shaft or the walking shaft can be meshed through the transition gear 51, and axial thrust cannot be generated, so that the transmission effect of the micro-cultivator gearbox is improved.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (5)
1. The front box gear transmission mechanism of the mini-tiller is characterized by comprising a front box (1), an input shaft (2) horizontally penetrating through the front box (1) and used for being connected with input power, and an output shaft (3) parallel to the input shaft (2), wherein the output shaft (3) is in transmission connection with the input shaft (2) through a transmission assembly (4), a transition shaft (5) perpendicular to the output shaft (3) is horizontally penetrating through the front box (1), the transition shaft (5) is in transmission connection with the output shaft (3) through a bevel gear set (6), and a transition gear (51) used for being meshed with gears in other boxes is arranged on the transition shaft (5).
2. The front box gear transmission mechanism of mini-tiller according to claim 1, wherein the transmission assembly (4) comprises:
The transmission shaft (41) is horizontally arranged in the front box (1) in a penetrating mode and is parallel to the input shaft (2), and the transmission shaft (41) is in transmission connection with the input shaft (2) through the gear shifting assembly (7);
The transmission gear (42) is coaxially and fixedly arranged on the output shaft (3) and is in transmission connection with the transmission shaft (41).
3. The front box gear transmission mechanism of mini-tiller according to claim 2, wherein the gear shifting assembly (7) comprises:
The double speed change gear (71), the double speed change gear (71) is coaxially arranged on the input shaft (2), and a shifting fork for driving the double speed change gear (71) to move along the axial direction of the input shaft (2) is arranged on the front box (1);
The gear (72) is coaxially and fixedly arranged on the transmission shaft (41) and meshed with the transmission gear (42);
The gear transmission device comprises a second gear (73), wherein the second gear (73) is coaxially and fixedly arranged on a transmission shaft (41), the outer diameter of the first gear (72) is larger than that of the second gear (73), the first gear (72) is meshed with one gear of the duplex speed change gears (71) in the first gear, and the second gear (73) is meshed with the other gear of the duplex speed change gears (71) in the second gear.
4. The front box gear transmission mechanism of mini-tiller according to claim 2, wherein the bevel gear set (6) comprises:
the driving bevel gear (61), the driving bevel gear (61) is coaxially fixed on the output shaft (3);
The driven bevel gear (62), driven bevel gear (62) is coaxial set firmly on transition axle (5) and with initiative bevel gear (61) meshing.
5. The micro-cultivator front box gear transmission mechanism according to claim 2 is characterized in that support bearings (11) are arranged between the input shaft (2), the transmission shaft (41), the output shaft (3), the transition shaft (5) and the front box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421912562.9U CN222950358U (en) | 2024-08-07 | 2024-08-07 | A front box gear transmission mechanism for a micro-tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421912562.9U CN222950358U (en) | 2024-08-07 | 2024-08-07 | A front box gear transmission mechanism for a micro-tillage machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222950358U true CN222950358U (en) | 2025-06-06 |
Family
ID=95865802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421912562.9U Active CN222950358U (en) | 2024-08-07 | 2024-08-07 | A front box gear transmission mechanism for a micro-tillage machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222950358U (en) |
-
2024
- 2024-08-07 CN CN202421912562.9U patent/CN222950358U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6655488B2 (en) | Gearbox, particularly for automotive vehicle with telescopic load-carrying arm | |
| CN220600357U (en) | Variable speed transmission assembly of heavy tractor | |
| CN222950358U (en) | A front box gear transmission mechanism for a micro-tillage machine | |
| CN201554827U (en) | Variator integrated with advancing, reversing gear, and stress applying of motor vehicle | |
| CN114087332A (en) | Hydraulic stepless speed change transmission mechanism of medium and small horsepower wheeled tractor | |
| CN218777397U (en) | Electric drive axle with double gear shifters | |
| CN113175515A (en) | Tractor gearbox | |
| CN117565653A (en) | Hybrid power transmission device for high-horsepower tractor | |
| CN222950357U (en) | Rear box gear transmission mechanism of four-wheel drive mini-tiller | |
| CN201982622U (en) | Tractor transmission case | |
| CN105605164B (en) | Mechanical gearbox of forklift | |
| CN111396528B (en) | Multi-section automatic stepless speed changing box for tractor | |
| CN209959821U (en) | Small-sized agricultural wheeled vehicle gearbox | |
| CN222067548U (en) | An agricultural machine | |
| CN218953941U (en) | Harvester gearbox of vertical overall arrangement | |
| CN215991866U (en) | Double-power output gearbox for field management machine | |
| CN113324003B (en) | Novel transmission system | |
| CN223511460U (en) | Double HST transmission case structure of crawler tractor | |
| CN221647565U (en) | Tractor speed change mechanism | |
| CN222650488U (en) | A tractor transmission structure | |
| CN114877034B (en) | A multi-gear fixed-axis shift gearbox | |
| CN220646707U (en) | Novel transmission assembly of transmission box of cultivator | |
| CN215110337U (en) | Tractor power high gear and power reversing transmission device | |
| CN211820591U (en) | Integrated gearbox gear-shifting transmission device | |
| CN111765221B (en) | Compound differential planetary mechanism of stepless speed change tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |