CN220548936U - HMT-driven four-wheel drive transmission mechanism - Google Patents
HMT-driven four-wheel drive transmission mechanism Download PDFInfo
- Publication number
- CN220548936U CN220548936U CN202322304022.4U CN202322304022U CN220548936U CN 220548936 U CN220548936 U CN 220548936U CN 202322304022 U CN202322304022 U CN 202322304022U CN 220548936 U CN220548936 U CN 220548936U
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- gear box
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- shaft
- hmt
- driven
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 72
- 230000007704 transition Effects 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an HMT-driven four-wheel drive transmission mechanism, and belongs to the technical field of agricultural machinery. The driving device solves the defect that the driving of the HMT cannot be realized in the traditional four-wheel drive transmission mechanism in the prior art. The main structure of the rear-drive steering axle comprises a frame, wherein an engine, a front axle tubular beam, a transition gear box and a rear-drive steering axle are arranged on the frame, the engine is in transmission connection with the gear box through a transmission mechanism, the gear box is arranged in the middle of the front axle tubular beam, one end of the gear box is provided with an HMT assembly, the other end of the gear box is provided with a gear box gear-engaging soft shaft seat, the upper end of the gear box is provided with an upper transfer case, the upper transfer case is connected with the upper end of the transition gear box through a transmission shaft, the transition gear box is also connected with the rear-drive steering axle through a coupling chain wheel, and guide wheels are arranged at two ends of the rear-drive steering axle; the two ends of the front axle tubular beam are provided with edge reduction boxes which are connected with the driving wheels. The utility model is mainly used for agricultural machinery.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to a four-wheel drive transmission mechanism driven by an HMT.
Background
At present, the running system of the self-propelled harvester in China mostly adopts a front wheel drive and rear wheel guide mode, in addition, the existing HMT adopts two-drive and is driven by the front wheel, the existing speed changer cannot realize four-drive, and the machine is free from running and weak under the condition of severe road conditions, however, in the prior art, aiming at the speed changer with four-drive, a four-drive mechanism is not arranged at the upper part of the speed changer, a vehicle is interfered with a returning device, the problem of space arrangement cannot be solved, and the returning effect is poor.
For example, in the prior art, chinese patent with the authority of CN 113303098A discloses a four-wheel drive transmission mechanism with bract for impurity removal, which realizes that the bract impurity removal work can be normally performed in two-wheel drive and four-wheel drive states through a dial plate arranged on an intermediate transmission shaft, and simultaneously, solves the space problem of four-wheel drive intermediate transmission through a front universal shaft, a rear universal shaft and the intermediate transmission shaft, but cannot realize HMT driving.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an HMT-driven four-wheel drive transmission mechanism.
In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme:
the utility model provides a HMT driven four-wheel drive transmission mechanism, which comprises a frame, be provided with the engine in the frame, front axle tubular beam, transition gear box and rear-drive steering axle, the engine is installed in the centre of frame, front axle tubular beam installs in the frame front end, transition gear box and rear-drive steering axle are all installed in the frame rear end, transition gear box sets up the front end at the rear-drive steering axle, the engine passes through drive mechanism and is connected with the gearbox transmission, the gearbox is installed in the centre of front axle tubular beam, one end of gearbox is provided with the HMT assembly, the other end is provided with gearbox and hangs the flexible axle seat, the gearbox upper end is provided with the transfer case, the upper transfer case passes through the upper end connection of transmission shaft and transition gear box, the transfer gear case is still connected with the rear-drive steering axle through the shaft coupling sprocket, the leading wheel is installed at the both ends of rear-drive steering axle; the two ends of the front axle tubular beam are provided with edge reduction boxes which are connected with the driving wheels.
Preferably, the upper transfer case is connected with a front universal transmission shaft, the front universal transmission shaft is connected with a rear universal transmission shaft through a middle transition shaft and a flange, and the middle transition shaft is installed at the middle position of the frame through a bearing with a seat.
Preferably, the rear universal transmission shaft is further connected with the upper end of the transition gearbox through a flange.
Preferably, one side of the upper transfer case is provided with a rear-drive separation and engagement flexible shaft seat, and the rear-drive separation and engagement flexible shaft seat is connected with the control case through a control flexible shaft I.
Preferably, the gearbox gear-engaging flexible shaft seat is connected with the control box through a control flexible shaft II.
Preferably, the transmission mechanism comprises a front end belt pulley, a driven belt pulley and a driving belt pulley which are connected with an output shaft of the engine, the front end belt pulley is in transmission connection with the driven belt pulley through a transmission belt, the driven belt pulley is connected with the driving belt pulley through a walking transition shaft, and the driving belt pulley is in transmission connection with a gearbox input belt pulley on a gearbox through the transmission belt.
Compared with the prior art, the utility model has the beneficial effects that:
the output shaft of the engine is transmitted to the driven belt pulley through the front belt pulley and the driving belt pulley, as the driven belt pulley and the driving belt pulley are arranged at the two ends of the walking transition shaft, the power is transmitted to the driving belt pulley through the walking transition shaft, the driving belt pulley is transmitted to the gearbox input belt pulley, the HMT assembly and the gearbox through the driving belt, the gearbox divides the power into two parts, and one part of power is transmitted to the driving wheel through the side reduction box for walking; the other part of power is transmitted to the guide wheel through the upper transfer case, the front universal transmission shaft, the middle transition shaft, the rear universal transmission shaft, the transition gear box, the coupling chain wheel and the rear-drive steering axle, and is used for guiding, and compared with the four-drive transmission efficiency in the prior art, the four-drive transmission effect is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the connection of the transmission shaft according to the present utility model;
FIG. 3 is a schematic diagram of a transmission mechanism according to the present utility model;
FIG. 4 is a schematic diagram of the connection of a gearbox in-gear soft shaft seat and a rear drive disengaging joint soft shaft seat according to the present utility model;
fig. 5 is a schematic view of a part of the structure in the present utility model.
In the figure: 1. an engine; 2. a front end belt wheel; 3. a driven pulley; 4. a walking transition shaft; 5. a driving pulley; 6. a gearbox input pulley; 7. a gearbox; 8. an HMT assembly; 9. an upper transfer case; 10. front axle tubular beam; 11. reducing the box at the edge; 12. a driving wheel; 13. a front universal drive shaft; 14. an intermediate transition shaft; 15. a rear universal drive shaft; 16. a transition gearbox; 17. a coupling sprocket; 18. rear-drive steering axle; 19. a guide wheel; 20. a frame; 21. an upper elastic tensioning wheel assembly; 22. a lower elastic tensioning wheel assembly; 23. a gear box is engaged with the flexible shaft seat; 24. rear drive separation joint flexible shaft seat; 25. a first flexible shaft is controlled; 26. a control box; 27. and controlling the second flexible shaft.
Detailed Description
The utility model will now be further illustrated by means of specific examples in connection with the accompanying drawings.
Example 1:
as shown in fig. 1-5, an HMT-driven four-wheel drive mechanism comprises a frame 20, wherein an engine 1, a front axle tubular beam 10, a transition gear box 16 and a rear-wheel steering axle 18 are arranged on the frame 20, the engine 1 is arranged in the middle of the frame 20, the front axle tubular beam 10 is arranged at the front end of the frame 20, the transition gear box 16 and the rear-wheel steering axle 18 are both arranged at the rear end of the frame 20, the transition gear box 16 is arranged at the front end of the rear-wheel steering axle 18, the engine 1 is in driving connection with a gear box 7 through the drive mechanism, the gear box 7 is arranged in the middle of the front axle tubular beam 10, one end of the gear box 7 is provided with an HMT assembly 8, the other end of the gear box 7 is provided with a gear box shift flexible shaft seat 23, the upper end of the gear box 7 is provided with an upper transfer box 9, the upper transfer box 9 is connected with the upper end of the transition gear box 16 through a transmission shaft, the transition gear box 16 is also connected with the rear-wheel steering axle 18 through a coupling sprocket 17, and the two ends of the rear-wheel steering axle 18 are provided with guide wheels 19; the side reducing boxes 11 are installed at both ends of the front axle tubular beam 10, and the side reducing boxes 11 are connected with the driving wheels 12.
Example 2:
as shown in fig. 2, a four-wheel drive transmission mechanism driven by HMT, the transmission shaft comprises a front universal transmission shaft 13, a middle transition shaft 14 and a rear universal transmission shaft 15, the upper transfer case 9 is connected with the front universal transmission shaft 13, the front universal transmission shaft 13 is connected with the rear universal transmission shaft 15 through the middle transition shaft 14 and a flange, and the middle transition shaft 14 is installed at the middle position of the frame 20 through a bearing with a seat. The rear universal transmission shaft 15 is also connected with the upper end of the transition gearbox 16 through a flange.
As shown in fig. 4, a rear-drive separation and engagement flexible shaft seat 24 is disposed on one side of the upper transfer case 9, the rear-drive separation and engagement flexible shaft seat 24 is connected with an operation case 26 through an operation flexible shaft one 25, and the operation clutch handle can realize power engagement and separation.
The gearbox gear engaging flexible shaft seat 23 is connected with the control box 26 through a control flexible shaft II 27, and different gears can be selected by controlling the gear engaging handle.
As shown in fig. 3, the transmission mechanism comprises a front end belt pulley 2 connected with an output shaft of the engine 1, a driven belt pulley 3 and a driving belt pulley 5, wherein the front end belt pulley 2 is in transmission connection with the driven belt pulley 3 through a transmission belt, the driven belt pulley 3 is connected with the driving belt pulley 5 through a traveling transition shaft 4, and the driving belt pulley 5 is in transmission connection with a gearbox input belt pulley 6 on a gearbox 7 through the transmission belt. Further, the upper elastic tensioner assembly 21 and the lower elastic tensioner assembly 22 respectively act on the transmission belt, so that the transmission efficiency between the belt wheels is ensured.
The power transmission route of the utility model is as follows:
the output shaft of the engine 1 is transmitted to the driven pulley 3 through the front end pulley 2 and a transmission belt, and as the driven pulley 3 and the driving pulley 5 are arranged at two ends of the walking transition shaft 4, the power is transmitted to the driving pulley 5 through the walking transition shaft 4, the driving pulley 5 is further transmitted to the gearbox input pulley 6, the HMT assembly 8 and the gearbox 7 through the transmission belt, the gearbox 7 is further used for dividing the power into two parts, and one part of the power is transmitted to the driving wheel 12 through the side reduction box 11 for walking;
the other part of power is transmitted to the guide wheels 19 for guiding through the upper transfer case 9, the front universal transmission shaft 13, the middle transition shaft 14, the rear universal transmission shaft 15, the transition gear box 16, the coupling sprocket 17 and the rear drive steering axle 18.
Claims (6)
1. The utility model provides a four drive transmission mechanism of HMT drive, includes frame (20), its characterized in that: the engine (1), the front axle tube beam (10), the transition gear box (16) and the rear drive steering axle (18) are arranged on the frame (20), the engine (1) is arranged in the middle of the frame (20), the front axle tube beam (10) is arranged at the front end of the frame (20), the transition gear box (16) and the rear drive steering axle (18) are both arranged at the rear end of the frame (20), the engine (1) is in transmission connection with the gear box (7) through a transmission mechanism, the gear box (7) is arranged in the middle of the front axle tube beam (10), one end of the gear box (7) is provided with an HMT assembly (8), the other end of the gear box is provided with a gear box shift soft shaft seat (23), the upper end of the gear box (7) is provided with an upper transfer case (9), the upper transfer case (9) is connected with the upper end of the transition gear box (16) through a transmission shaft, the transition gear box (16) is also connected with the rear drive steering axle (18) through a coupling sprocket (17), and guide wheels (19) are arranged at two ends of the rear drive steering axle (18); the two ends of the front axle tubular beam (10) are provided with edge reduction boxes (11), and the edge reduction boxes (11) are connected with driving wheels (12).
2. The HMT driven four-wheel drive transmission of claim 1, wherein: the upper transfer case (9) is connected with a front universal transmission shaft (13), the front universal transmission shaft (13) is connected with a rear universal transmission shaft (15) through an intermediate transition shaft (14), and the intermediate transition shaft (14) is installed at the middle position of the frame (20) through a bearing with a seat.
3. The HMT driven four-wheel drive transmission of claim 2, wherein: the rear universal transmission shaft (15) is also connected with the upper end of the transition gear box (16) through a flange.
4. The HMT driven four-wheel drive transmission of claim 1, wherein: one side of the upper transfer case (9) is provided with a rear drive separation joint flexible shaft seat (24), and the rear drive separation joint flexible shaft seat (24) is connected with a control case (26) through a control flexible shaft I (25).
5. The HMT driven four-wheel drive transmission of claim 4, wherein: the gearbox gear engaging flexible shaft seat (23) is connected with the control box (26) through the control flexible shaft II (27).
6. The HMT driven four-drive transmission of any one of claims 1-5, wherein: the transmission mechanism comprises a front end belt wheel (2), a driven belt wheel (3) and a driving belt wheel (5), wherein the front end belt wheel (2) is connected with the driven belt wheel (3) in a transmission way through a transmission belt, the driven belt wheel (3) is connected with the driving belt wheel (5) through a traveling transition shaft (4), and the driving belt wheel (5) is connected with a transmission case input belt wheel (6) on a transmission case (7) in a transmission way through the transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304022.4U CN220548936U (en) | 2023-08-25 | 2023-08-25 | HMT-driven four-wheel drive transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304022.4U CN220548936U (en) | 2023-08-25 | 2023-08-25 | HMT-driven four-wheel drive transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220548936U true CN220548936U (en) | 2024-03-01 |
Family
ID=90002875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304022.4U Active CN220548936U (en) | 2023-08-25 | 2023-08-25 | HMT-driven four-wheel drive transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220548936U (en) |
-
2023
- 2023-08-25 CN CN202322304022.4U patent/CN220548936U/en active Active
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