A grain harvester

Abstract

The utility model discloses a grain harvester, which relates to the technical field of agricultural machinery, including a mobile trolley, a rotating shaft and an adjusting rod, a swing rod is movably installed on the inner wall of the other side of the mobile trolley, and a cutting device is connected to one side of the swing rod, a rotating shaft is movably installed on the inner wall of the cutting device, and a mounting rod is connected below the rotating shaft, a threaded rod is installed on the inner wall of the mounting rod, and a lifting rod is installed on the outer wall below the threaded rod, a cutting disc is connected below the lifting rod, an adjusting rod is connected to one side of the first bevel gear, and a fixing sleeve is installed on the outer side of the adjusting rod. The utility model utilizes the second drive motor to make the third gear rotate in a forward and reverse cycle, and the third gear is meshed with the half gear, so that the swing rod drives the cutting disc to swing left and right for cutting, thereby expanding the cutting area and solving the problem of low cutting efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a grain harvester. Background Art

[0002] A harvester is a piece of mechanical equipment used for harvesting crops. It is mainly used for harvesting various crops, such as wheat, corn, soybeans, etc. It plays an important role in agricultural production. The main function of a harvester is to cut mature crops to facilitate subsequent handling and processing. Mechanized harvesting is more efficient than manual harvesting, which can save manpower and time costs. Harvesters have replaced manual harvesting and reduced the workload of farmers. The harvesting is carried out by manually pushing a trolley, and the cutting disc rotates straight to harvest. The position of the cutting disc is fixed, resulting in a small cutting area, and the height of the cutting disc is fixed, and the cutting height cannot be adjusted as needed. In view of this, in-depth research was conducted on the above-mentioned issues, and this case was brought about. Utility Model Content

[0003] The utility model aims to provide a grain harvester to solve the problem that the existing grain harvester mentioned in the above background technology has no ability to adjust the cutting height and high cutting efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grain harvester, comprising a mobile trolley, a rotating shaft and an adjusting rod, a control panel is installed on the outer wall of one side of the mobile trolley, a swing rod is movably installed on the inner wall of the other side of the mobile trolley, and a cutting device is connected to one side of the swing rod, a rotating shaft is movably installed on the inner wall of the cutting device, and a mounting rod is connected below the rotating shaft, a threaded rod is installed on the inner wall of the mounting rod, and a lifting rod is installed on the outer wall below the threaded rod, a cutting disk is connected below the lifting rod, a second bevel tooth is installed on the outer wall above the threaded rod, and a first bevel tooth is meshingly installed above one side of the second bevel tooth, an adjusting rod is connected to one side of the first bevel tooth, and a fixing sleeve is installed on the outer side of the adjusting rod.

[0005] Preferably, a second drive motor is installed on the inner wall of the mobile cart, and the output end of the second drive motor is connected to the third gear through a drive shaft, a half gear is installed on the other side of the swing rod, and a meshing transmission structure is formed between the half gear and the third gear.

[0006] Preferably, a second gear is installed on the outer wall below the rotating shaft, and a first gear is meshingly installed on one side of the second gear, and a first driving motor is installed above the first gear.

[0007] Preferably, the inner wall of the lifting rod is provided with an internal thread, and a threaded connection structure is formed between the lifting rod and the threaded rod.

[0008] Preferably, both inner walls on both sides of the mounting rod are provided with limiting grooves, and both outer walls on both sides of the top end of the lifting rod are movably connected to the limiting grooves through limiting blocks.

[0009] Preferably, a locking sleeve is installed on the outer side of the fixing sleeve, an outer wall on one side of the fixing sleeve is provided with an external thread, and an inner wall of the locking sleeve is provided with an internal thread matching the external thread.

[0010] Preferably, the outer wall of the fixing sleeve is evenly installed with a return spring, and the inner side of the return spring is evenly installed with a lock rod, and the outer wall of the adjusting rod is evenly provided with a lock groove matching with the lock rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a locking sleeve, a reset spring and a threaded rod. The locking sleeve is rotated and threadedly matched, so that the locking sleeve moves to the left, and the reset spring is away from the locking sleeve. The reset spring is reset to make the locking rod away from the locking groove. Then the adjusting rod is rotated to rotate the first bevel gear. The first bevel gear is meshed with the second bevel gear, so that the second bevel gear drives the threaded rod to rotate at the same time. The threaded rod is matched with the lifting rod thread, so that the lifting rod can drive the cutting disc to move upward or downward, thereby solving the problem of inconvenience in adjusting the cutting height.

[0013] The utility model provides a second driving motor, a swing rod and a cutting disc. The second driving motor is used to make the third gear rotate in a forward and reverse cycle. The third gear is meshed with the half gear, so that the swing rod drives the cutting disc to swing left and right in a cycle for cutting, thereby expanding the cutting area and solving the problem of low cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the mobile vehicle of the utility model;

[0015] Figure 2 This is a schematic diagram of the top-sectional structure of the mobile trolley of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation rod of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. control panel; 2. moving trolley; 3. swing rod; 4. first drive motor; 5. first gear; 6. cutting device; 7. rotating shaft; 8. second gear; 9. mounting rod; 10. lifting rod; 11. cutting disc; 12. half gear; 13. third gear; 14. second drive motor; 15. first bevel gear; 16. second bevel gear; 17. threaded rod; 18. adjusting rod; 19. reset spring; 20. locking rod; 21. locking groove; 22. fixing sleeve; 23. locking sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1: Please refer to Figure 1-Figure 4 A grain harvester comprises a mobile trolley 2, a rotating shaft 7 and an adjusting rod 18, a control panel 1 is installed on the outer wall of one side of the mobile trolley 2, a swing rod 3 is movably installed on the inner wall of the other side of the mobile trolley 2, and a cutting device 6 is connected to one side of the swing rod 3, a rotating shaft 7 is movably installed on the inner wall of the cutting device 6, and a mounting rod 9 is connected below the rotating shaft 7, a threaded rod 17 is installed on the inner wall of the mounting rod 9, and a lifting rod 10 is installed on the outer wall below the threaded rod 17, a cutting disc 11 is connected below the lifting rod 10, a second bevel tooth 16 is installed on the outer wall above the threaded rod 17, and a first bevel tooth 15 is meshed and installed above one side of the second bevel tooth 16, an adjusting rod 18 is connected to one side of the first bevel tooth 15, and a fixing sleeve 22 is installed on the outer side of the adjusting rod 18;

[0021] A second drive motor 14 is installed on the inner wall of the mobile car 2, and the output end of the second drive motor 14 is connected to the third gear 13 through a drive shaft. A half gear 12 is installed on the other side of the swing rod 3, and a meshing transmission structure is formed between the half gear 12 and the third gear 13;

[0022] A second gear 8 is installed on the outer wall below the rotating shaft 7, and a first gear 5 is meshedly installed on one side of the second gear 8, and a first driving motor 4 is installed above the first gear 5;

[0023] Specifically, Figure 1 and Figure 2 As shown, when this structure is used, the second drive motor 14 is operated to make the third gear 13 rotate in a forward and reverse cycle, and the third gear 13 is meshed with the half gear 12, so that the swing rod 3 drives the cutting disk 11 to swing left and right in a cycle for cutting, thereby expanding the cutting area and improving the cutting efficiency.

[0024] Embodiment 2: The inner wall of the lifting rod 10 is provided with an internal thread, and a threaded connection structure is formed between the lifting rod 10 and the threaded rod 17;

[0025] The inner walls on both sides of the mounting rod 9 are provided with limiting grooves, and the outer walls on both sides of the top of the lifting rod 10 are movably connected to the limiting grooves through limiting blocks;

[0026] A locking sleeve 23 is installed on the outside of the fixing sleeve 22, an outer wall of one side of the fixing sleeve 22 is provided with an external thread, and an inner wall of the locking sleeve 23 is provided with an internal thread matching the external thread;

[0027] The outer wall of the fixed sleeve 22 is evenly installed with a return spring 19, and the inner side of the return spring 19 is evenly installed with a lock rod 20, and the outer wall of the adjustment rod 18 is evenly provided with a lock groove 21 matched with the lock rod 20;

[0028] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when using this structure, by rotating the locking sleeve 23 and threading, the locking sleeve 23 is moved to the left side, and at the same time, the reset spring 19 is away from the locking sleeve 23, and the lock rod 20 is away from the lock groove 21 by the reset of the reset spring 19, and then the adjusting rod 18 is rotated to rotate the first bevel tooth 15, and the first bevel tooth 15 is meshed with the second bevel tooth 16, so that the second bevel tooth 16 drives the threaded rod 17 to rotate at the same time, and the threaded rod 17 is threadedly matched with the lifting rod 10, so that the lifting rod 10 can drive the cutting disc 11 to move upward or downward, so as to facilitate the adjustment of the cutting height.

[0029] Working principle: When using the device, the worker first pushes the mobile trolley 2 to move, and the first drive motor 4 works to rotate the first gear 5, and the first gear 5 is meshed with the second gear 8, so that the rotating shaft 7 drives the cutting disc 11 under the mounting rod 9 to rotate at the same time to harvest grain;

[0030] The first step to implement the innovation point:

[0031] The third gear 13 is rotated forward and reversely by the operation of the second driving motor 14. The third gear 13 is meshed with the half gear 12, so that the swing rod 3 drives the cutting disc 11 to swing left and right for cutting, thereby expanding the cutting area.

[0032] The second innovation point implementation steps:

[0033] Step 1: By rotating the locking sleeve 23 and threading, the locking sleeve 23 is moved to the left, and at the same time, the reset spring 19 is away from the locking sleeve 23, and the lock rod 20 is away from the lock groove 21 by the reset spring 19;

[0034] Step 2: Then rotate the adjusting rod 18 to rotate the first bevel gear 15, and the first bevel gear 15 is meshed with the second bevel gear 16, so that the second bevel gear 16 drives the threaded rod 17 to rotate at the same time, and the threaded rod 17 is threadedly matched with the lifting rod 10, so that the lifting rod 10 can drive the cutting disc 11 to move upward or downward;

[0035] Step 3: After the position of the cutting disc 11 is fixed, the locking sleeve 23 is rotated in the opposite direction to move the locking sleeve 23 to the right, so that the reset spring 19 is pressed into the locking sleeve 23, and the locking rod 20 is locked in the locking groove 21.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grain harvester, comprising a moving trolley (2), a rotating shaft (7) and an adjusting rod (18), characterized in that: A control panel (1) is installed on the outer wall of one side of the mobile trolley (2); a swing rod (3) is movably installed on the inner wall of the other side of the mobile trolley (2); one side of the swing rod (3) is connected to a cutting device (6); a rotating shaft (7) is movably installed on the inner wall of the cutting device (6); a mounting rod (9) is connected below the rotating shaft (7); a threaded rod (17) is installed on the inner wall of the mounting rod (9); a lifting rod (10) is installed on the outer wall below the threaded rod (17); a cutting disc (11) is connected below the lifting rod (10); a second bevel tooth (16) is installed on the outer wall above the threaded rod (17); a first bevel tooth (15) is meshingly installed above one side of the second bevel tooth (16); an adjusting rod (18) is connected to one side of the first bevel tooth (15); a fixing sleeve (22) is installed on the outer side of the adjusting rod (18).

2. A grain harvester according to claim 1, characterized in that: A second drive motor (14) is installed on the inner wall of the moving vehicle (2), and the output end of the second drive motor (14) is connected to a third gear (13) via a drive shaft. A half gear (12) is installed on the other side of the swing rod (3), and a meshing transmission structure is formed between the half gear (12) and the third gear (13).

3. A grain harvester according to claim 1, characterized in that: A second gear (8) is mounted on the outer wall below the rotating shaft (7), and a first gear (5) is meshingly mounted on one side of the second gear (8), and a first driving motor (4) is mounted above the first gear (5).

4. A grain harvester according to claim 1, characterized in that: The inner wall of the lifting rod (10) is provided with an internal thread, and a threaded connection structure is formed between the lifting rod (10) and the threaded rod (17).

5. A grain harvester according to claim 1, characterized in that: The inner walls on both sides of the installation rod (9) are provided with limiting grooves, and the outer walls on both sides of the top end of the lifting rod (10) are movably connected to the limiting grooves through limiting blocks.

6. A grain harvester according to claim 1, characterized in that: A locking sleeve (23) is installed on the outside of the fixing sleeve (22), an outer wall of one side of the fixing sleeve (22) is provided with an external thread, and an inner wall of the locking sleeve (23) is provided with an internal thread matching the external thread.

7. A grain harvester according to claim 1, characterized in that: The outer wall of the fixing sleeve (22) is evenly mounted with a return spring (19), and the inner side of the return spring (19) is evenly mounted with a lock rod (20), and the outer wall of the adjusting rod (18) is evenly mounted with a lock groove (21) that matches the lock rod (20).

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