Feeding device of green feed harvester

Abstract

The invention discloses a green feed harvester feeding device which is characterized in that a hydraulic motor input assembly is driven to work through a hydraulic power output assembly, and the hydraulic motor input assembly and a feeding device power transmission assembly synchronously drive a feeding roller to act; the engine output belt pulley drives a middle shaft belt pulley of the hydraulic power output assembly to rotate through a transmission belt, the middle shaft belt pulley drives the feeding transmission pump to work, and the feeding transmission pump is used for conveying pressure oil needed by work to a transmission motor of the hydraulic motor input assembly. According to the feeding device, the engine is transversely arranged, the main transmission intermediate shaft and the feeding device main driving box body are arranged, so that power hydraulic control output of the engine and fine adjustment of the feeding speed and the cutting length are achieved, and the feeding device has the rapid reverse rotation function; the working pressure, the bearing capacity and the reliability are improved, the requirement for large-feeding-amount feeding is met, and the working efficiency of the machine is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and particularly relates to a feeding device for a green forage harvester. Background Art

[0002] The design of the feeding device and the scheme directly affects the transmission efficiency, performance and reliability of the harvester.

[0003] The feeding device and the transmission system are the core and key components of a self-propelled green forage harvester, ensuring that after the crop is fed into the cutter bar, it is pre-compressed under pressure and orderly conveyed to the chopping drum, maintaining a good crop flow and producing stable high-quality feed.

[0004] The feeding devices of existing self-propelled green forage harvesters mostly adopt external chain drives, and the feeding speed is adjusted through a shift gearbox, achieving different feeding speeds. Due to high speeds and easy adhesion of dirt, the chains are quickly worn and broken, affecting the reliability of the machine.

[0005] For existing self-propelled green forage harvesters with existing structures, when the feeding device needs to adjust the feeding roller speed according to different cutting length requirements, for example, if the cutting length requires four-level adjustment, a four-speed gearbox is needed, and if the cutting length requires six-level adjustment, a six-speed gearbox is needed. The design of the gearbox is relatively complex, the cost is high, and it is also troublesome to adjust. At the same time, it is very difficult for users with more precise cutting length requirements for feed (such as fifteen levels) to achieve this solely with a gearbox.

[0006] Therefore, based on the above technical problems, those skilled in the art urgently need to develop a feeding device for a green forage harvester. Summary of the Invention

[0007] The purpose of the present invention is to provide a feeding device for a green forage harvester, which can meet the requirements of users for fine adjustment of cutting length, quick stop of feeding, and full hydraulic drive.

[0008] To achieve the above purpose, the present invention provides the following technical solutions:

[0009] A feeding device for a green forage harvester of the present invention, the harvester having an engine power output component, a hydraulic power output component, a hydraulic motor input component, and a feeding device power transmission component;

[0010] The engine power output component drives the hydraulic motor input component to work through the hydraulic power output component, and the hydraulic motor input component and the feeding device power transmission component of the feeding device synchronously drive the feeding roller of the feeding device to act;

[0011] The engine power output assembly drives the engine output pulley to rotate through the engine. The engine output pulley drives the intermediate shaft pulley of the hydraulic power output assembly to rotate through the transmission belt. And the intermediate shaft pulley drives the feeding transmission pump to work in a coaxially arranged manner through its central shaft. The feeding transmission pump is used to convey the pressure oil required for work to the transmission motor of the hydraulic motor input assembly.

[0012] Furthermore, the engine power output assembly includes:

[0013] An engine, the output shaft flange of the engine is fixed to the engine output pulley by bolts to drive the engine output pulley to rotate;

[0014] An engine flywheel, the engine flywheel is connected to the engine output pulley;

[0015] The engine output pulley drives the intermediate shaft pulley to rotate through the main transmission belt. And after passing through the intermediate shaft pulley, the main transmission belt drives the chopping drum pulley and the throwing fan pulley to rotate.

[0016] Furthermore, a main transmission belt first tensioning device is provided on the main transmission belt between the engine output pulley and the intermediate shaft pulley;

[0017] A main transmission belt second tensioning device is provided at the position of the main transmission belt close to the throwing fan pulley.

[0018] Furthermore, the hydraulic motor input assembly includes:

[0019] A main drive housing;

[0020] A transmission motor integrated in the main drive housing, the power of the transmission motor is transmitted through the internal gears, universal joints, upper roller housing and sprocket housing integrated in the main drive housing, and drives the feeding roller of the feeding device to rotate.

[0021] Furthermore, the feeding rollers are divided into:

[0022] The front upper feeding roller, the front lower feeding roller, the rear upper feeding roller and the rear lower feeding roller;

[0023] The internal gears of the main drive housing include: a power input gear, an intermediate transmission gear component meshing with the power input gear to drive rotation, a rear lower feeding roller drive shaft gear component and an upper intermediate rotating shaft gear component transmitting with the intermediate transmission gear component, and a universal joint drive shaft gear component transmitting with the upper intermediate rotating shaft gear component;

[0024] The drive motor adjusts the rotational speed of the universal joint drive and the rotational speed of the rear lower roller drive through five sets of gear drives;

[0025] The universal joint synchronously transmits power to the front upper feed roller and the rear upper feed roller. The sprocket housing transmits power to the front lower feed roller through its sprockets and chains, and drives the front lower feed roller to rotate. The main drive housing transmits power to the rear lower feed roller through a coupling and drives the rear lower feed roller to rotate.

[0026] Furthermore, the central axis of the intermediate shaft pulley is drivingly connected to the front end of the rotating shaft of the feed drive pump, and the rear end of the rotating shaft of the feed drive pump is drivingly connected to the rotating shaft of the cutter bar drive pump of the harvester so as to synchronously drive the cutter bar drive pump to work through the intermediate shaft pulley.

[0027] Furthermore, the feed device adjusts the amount of hydraulic oil through the hydraulic valve on the feed drive pump to adjust the working rotational speed of the drive motor.

[0028] Furthermore, a variable pump is connected to the hydraulic pipeline of the feed drive pump to change the direction of the hydraulic oil flow through the variable pump so as to realize the change of the steering of the feed device.

[0029] Furthermore, the drive motor is provided with an emergency stop hydraulic valve, and the emergency stop operation of the feed device when metal is detected is realized through the emergency stop hydraulic valve.

[0030] In the above technical solution, a feed device of a forage harvester provided by the present invention has the following beneficial effects:

[0031] The feed device of the present invention realizes the fine adjustment of the hydraulic control output of the engine power, the feed speed and the cutting length, and has the function of quick reverse by arranging the engine horizontally and setting the main drive intermediate shaft and the main drive housing of the feed device. By using the gear housing drive to increase the rotational speed of the drive motor, the working pressure, load-bearing capacity and reliability are improved, the demand for large feed volume feeding is met, and the working efficiency of the machine is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0033] Figure 1 It is a schematic structural diagram of the feed device of the forage harvester disclosed in the embodiment of the present invention when integrated into the harvester;

[0034] Figure 2The front view of the feeding device of the green forage harvester disclosed in the embodiment of the present invention;

[0035] Figure 3 The left view of the feeding device of the green forage harvester disclosed in the embodiment of the present invention;

[0036] Figure 4 The right view of the feeding device of the green forage harvester disclosed in the embodiment of the present invention;

[0037] Figure 5 The front view of the internal structure of the feeding device of the green forage harvester disclosed in the embodiment of the present invention;

[0038] Figure 6 The gear transmission diagram of the internal structure of the feeding device of the green forage harvester disclosed in the embodiment of the present invention;

[0039] Figure 7 The structural schematic diagram of the hydraulic power output component of the feeding device of the green forage harvester disclosed in the embodiment of the present invention.

[0040] Explanation of reference numerals:

[0041] 1. Engine output pulley; 2. Main drive belt; 3. Main drive tensioning device; 4. Main drive tensioning pulley; 5. Intermediate shaft pulley; 6. Chopping and throwing component belt; 7. Tensioning device; 8. Throwing fan pulley; 9. Chopping drum pulley; 10. Rear upper feeding roller; 11. Front upper feeding roller; 12. Rear lower feeding roller; 13. Front lower feeding roller; 14. Left lower tension spring; 15. Left upper tension spring; 16. Feeding device frame; 17. Upper roller box; 18. Universal joint; 19. Main drive box; 20. Drive motor; 21. Buffer cylinder; 22. Spacing rubber block; 23. Right lower tension spring; 24. Right upper tension spring; 25. Coupling; 26. Sprocket box; 27. Rear lower feeding roller drive shaft gear component; 28. Intermediate drive gear component; 29. Power input gear; 30. Upper intermediate rotating shaft gear component; 31. Universal joint drive shaft gear component; 32. Outer box; 33. Upper fixing bracket; 34. Coupling sprocket; 35. Lower fixing bracket; 36. Hydraulic rotary joint; 37. Travel drive pump; 38. Engine output shaft. Detailed implementation manners

[0042] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further introduced in detail below in conjunction with the accompanying drawings.

[0043] See Figures 1 to 7 as shown;

[0044] A forage harvester feeding device according to this embodiment, the harvester has an engine power output assembly, a hydraulic power output assembly, a hydraulic motor input assembly, and a feeding device power transmission assembly;

[0045] The engine power output assembly drives the hydraulic motor input assembly to work through the hydraulic power output assembly, and the hydraulic motor input assembly and the feeding device power transmission assembly of the feeding device synchronously drive the feeding roller of the feeding device to act;

[0046] The engine power output assembly drives the engine output pulley 1 to rotate through the engine, the engine output pulley 1 drives the intermediate shaft pulley 5 of the hydraulic power output assembly through the transmission belt, and the intermediate shaft pulley 5 drives the feeding transmission pump to work in a coaxial arrangement through its central shaft. The feeding transmission pump is used to convey the pressure oil required for work to the transmission motor 20 of the hydraulic motor input assembly.

[0047] Specifically, this embodiment discloses a forage harvester feeding device and its transmission system. The device of this embodiment mainly includes an engine power output assembly, a hydraulic power output assembly, a hydraulic motor input assembly, a feeding device power transmission assembly, an upper roller transmission box assembly, and a lower roller transmission box assembly. Among them, the engine power output assembly of this embodiment includes an output large housing connected to the engine power output end, an engine flywheel, a shock absorber disc, an engine output shaft, and an engine output pulley 1. Among them, the engine output shaft flange of the engine power output device of this embodiment is directly fixed to the engine output pulley 1 by bolts. At the same time, the engine output pulley is in transmission connection with the intermediate shaft pulley 5 of this embodiment through a V-belt, and the central shaft of the intermediate shaft pulley 5 is used to drive the feeding transmission pump to work. Finally, the feeding transmission pump is used to transfer the working hydraulic oil to the transmission motor 20 to finally drive the feeding roller to work.

[0048] Preferably, the engine power output assembly of this embodiment includes:

[0049] An engine, the output shaft flange of the engine is fixed to the engine output pulley 1 by bolts to drive the engine output pulley 1 to rotate;

[0050] An engine flywheel, the engine flywheel is connected to the engine output pulley 1;

[0051] The engine output pulley 1 drives the intermediate shaft pulley 5 to rotate through the main transmission belt 2, and the main transmission belt 2 drives the chopping drum pulley 9 and the throwing fan pulley 8 to rotate after passing through the intermediate shaft pulley 5.

[0052] Among them, a main transmission belt first tensioning device is provided on the main transmission belt 2 between the engine output pulley 1 and the intermediate shaft pulley 5 of this embodiment;

[0053] A second main drive belt tensioning device is provided at a position of the main drive belt 2 close to the ejection fan pulley 8 .

[0054] As a preference, the first main drive belt tensioner is provided at the middle of the V-belt of the transmission connection formed between the main drive intermediate shaft pulley 5 and the engine output pulley 1 of this embodiment, and the first main drive belt tensioner can be the main drive tensioner 4 or a V-belt clutch tensioner or a clutch of the engine output device. Similarly, the second main drive belt tensioner of this embodiment is also the same, which will not be described in detail here.

[0055] Preferably, the hydraulic motor input assembly of this embodiment includes a main drive housing 19;

[0056] The transmission motor 20 is integrated in the main drive housing 19. The power of the transmission motor 20 is transmitted through the internal gears, universal joints 18, upper roller housing 17 and sprocket housing 26 integrated in the main drive housing 19, and drives the feeding roller of the feeding device to rotate.

[0057] Among them, the feeding rollers of this embodiment are divided into:

[0058] A front upper feeding roller 11, a front lower feeding roller 13, a rear upper feeding roller 10 and a rear lower feeding roller 12;

[0059] The internal gears of the main drive housing 19 include: a power input gear 29, an intermediate transmission gear component 28 meshing with the power input gear 29 to drive the rotation, a rear lower feeding roller transmission shaft gear component 27 and an upper intermediate rotating shaft gear component 30 that are driven by the intermediate transmission gear component 28, and a universal joint transmission shaft gear 31 component that is driven by the upper intermediate rotating shaft gear component 30;

[0060] The transmission motor 20 is driven by five sets of gears to adjust the speed of the universal joint 18 and the speed of the rear lower feeding roller 12;

[0061] The universal joint 18 transmits power to the front upper feed roller 11 and the rear upper feed roller 12 synchronously, the sprocket box 26 transmits power to the front lower feed roller 13 through its sprocket and chain, and drives the front lower feed roller 13 to rotate, and the main drive box 19 transmits power to the rear lower feed roller 12 through the coupling 25, and drives the rear lower feed roller 12 to rotate.

[0062] This embodiment further defines the drive system of the feeding rollers. After the feeding drive pump transfers hydraulic oil to the drive motor 20, the drive motor 20 starts to work. At this time, the main drive housing 19 drives the rotation of the upper and lower feeding rollers through the internal gears of the housing, the universal joint 18, the upper roller housing 17, and the sprocket housing 26, finally realizing the feeding function. Specifically, for the drive as described above, that is, the power of the universal joint 18 is synchronously transmitted to the front upper feeding roller 11 and the rear upper feeding roller 10. The sprocket housing 26 transmits power to the front lower feeding roller 13 through its sprockets and chains, and drives the front lower feeding roller 13 to rotate. The main drive housing 19 transmits power to the rear lower feeding roller 12 through the coupling 25, and drives the rear lower feeding roller 12 to rotate.

[0063] In addition, the feeding device of this embodiment adjusts the amount of hydraulic oil through the hydraulic valve on the feeding drive pump to adjust the working speed of the drive motor 20. Additionally, the hydraulic pipeline of the feeding drive pump of this embodiment is connected with a variable pump to change the direction of the hydraulic oil flow through the variable pump, thereby realizing the change of the steering of the feeding device.

[0064] The feeding drive pump of this embodiment is connected to the drive motor through a hydraulic valve, pipeline, and drives the drive motor 20 to rotate through hydraulic oil, and drives the main drive housing 19 to work. And the feeding device needs to be provided with a function of adjusting the length of the cut feed. This function is realized by adjusting the different working speeds of the drive motor 20. At the same time, the feeding device of this embodiment also has a function of reversing when blocked, and the variable pump can be used to drive the drive motor to reverse.

[0065] As an extended implementation method, the central axis of the intermediate shaft pulley 5 of this embodiment is drivingly connected to the front end of the rotating shaft of the feeding drive pump, and the rear end of the rotating shaft of the feeding drive pump is drivingly connected to the rotating shaft of the cutting table drive pump of the harvester to synchronously drive the cutting table drive pump to work through the intermediate shaft pulley 5.

[0066] As an extended implementation method, the drive motor 20 of this embodiment is equipped with an emergency stop hydraulic valve, and the emergency stop operation when the feeding device detects metal is realized through this emergency stop hydraulic valve.

[0067] In the above technical solution, a feeding device of a forage harvester provided by the present invention has the following beneficial effects:

[0068] The feeding device of the present invention realizes the fine adjustment of the engine power hydraulic control output, feeding speed, and cutting length by arranging the engine horizontally and setting the main drive intermediate shaft and the main drive housing of the feeding device, and has the function of quick reversal. By using the gear housing drive to increase the rotational speed of the drive motor, the working pressure, load-bearing capacity, and reliability are improved, meeting the requirements of large feeding volume feeding and improving the working efficiency of the machine.

[0069] Only some exemplary embodiments of the present invention have been described by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A feeding device for a green forage harvester, characterized in that, The harvester has an engine power output component, a hydraulic power output component, a hydraulic motor input component, and a feeding device power transmission component; The engine power output component drives the hydraulic motor input component to work through the hydraulic power output component, and the hydraulic motor input component and the feeding device power transmission component of the feeding device drive the feeding roller of the feeding device to act synchronously; The engine power output component drives the engine output pulley (1) to rotate through the engine, the engine output pulley (1) drives the intermediate shaft pulley (5) of the hydraulic power output component to rotate through the transmission belt, and the intermediate shaft pulley (5) drives the feeding transmission pump to work in a coaxially arranged manner through its central shaft. The feeding transmission pump is used to convey the pressure oil required for work to the transmission motor (20) of the hydraulic motor input component.

2. The feeding device of a green forage harvester according to claim 1, characterized in that, The engine power output component includes: An engine, the output shaft flange of the engine is fixed to the engine output pulley (1) by bolts to drive the engine output pulley (1) to rotate; An engine flywheel, the engine flywheel is connected to the engine output pulley (1); The engine output pulley (1) drives the intermediate shaft pulley (5) to rotate through the main transmission belt (2), and after passing through the intermediate shaft pulley (5), the main transmission belt (2) drives the chopping drum pulley (9) and the throwing fan pulley (8) to rotate.

3. The feeding device of a green forage harvester according to claim 2, characterized in that, A main transmission belt first tensioning device is provided on the main transmission belt (2) between the engine output pulley (1) and the intermediate shaft pulley (5); A main transmission belt second tensioning device is provided at a position of the main transmission belt (2) close to the throwing fan pulley (8).

4. The feeding device of a green forage harvester according to claim 1, characterized in that, The hydraulic motor input component includes: A main drive housing (19); A transmission motor (20) integrated in the main drive housing (19), the power of the transmission motor (20) is transmitted through the internal gears, universal joints (18), upper roller housings (17), and sprocket housings (26) integrated in the main drive housing (19), and drives the feeding roller of the feeding device to rotate.

5. The feeding device of a green forage harvester according to claim 4, characterized in that, The feeding rollers are divided into: A front upper feeding roller (11), a front lower feeding roller (13), a rear upper feeding roller (10), and a rear lower feeding roller (12); The internal gears of the main drive housing (19) include: a power input gear (29), an intermediate transmission gear component (28) meshing with the power input gear (29) to drive rotation, a rear lower feeding roller drive shaft gear component (27) and an upper intermediate rotating shaft gear component (30) transmitted by the intermediate transmission gear component (28), and a universal joint drive shaft gear component (31) transmitted by the upper intermediate rotating shaft gear component (30); The transmission motor (20) adjusts the rotation speed of the universal joint (18) transmission and the rotation speed of the rear lower feeding roller (12) transmission through five groups of gear transmissions; The universal joint (18) synchronously transmits power to the front upper feeding roller (11) and the rear upper feeding roller (10). The sprocket box body (26) transmits power to the front lower feeding roller (13) through its sprockets and chains, and drives the front lower feeding roller (13) to rotate. The main drive box body (19) transmits power to the rear lower feeding roller (12) through the coupling (25), and drives the rear lower feeding roller (12) to rotate.

6. The feeding device of a green forage harvester according to claim 1 or 4, characterized in that, The central axis of the intermediate shaft pulley (5) is in transmission connection with the front end of the rotating shaft of the feeding transmission pump. The rear end of the rotating shaft of the feeding transmission pump is in transmission connection with the rotating shaft of the cutting table transmission pump of the harvester so as to synchronously drive the cutting table transmission pump to work through the intermediate shaft pulley (5).

7. A forage harvester feeding device according to any one of claims 1 to 5, characterized in that, The feeding device adjusts the amount of hydraulic oil through the hydraulic valve on the feeding transmission pump to adjust the working speed of the transmission motor (20).

8. The feeding device of a green forage harvester according to claim 7, characterized in that, The hydraulic pipeline of the feeding transmission pump is connected with a variable pump to change the flow direction of the hydraulic oil through the variable pump, thereby realizing the change of the steering of the feeding device.

9. The feeding device of a green forage harvester according to claim 1, characterized in that, The transmission motor (20) is provided with an emergency stop hydraulic valve, and the emergency stop operation when the feeding device detects metal is realized through the emergency stop hydraulic valve.

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