Corn header with adjustable stubble cutting height
By designing a corn cutting platform with adjustable cutting height, using a multi-axis rotating mechanism and a drive motor, the problem of inconvenient adjustment of the cutting height of traditional corn harvesters is solved, and the comprehensiveness and efficiency of corn harvesting is achieved, and the cost is reduced.
Patent Information
- Application Number
- CN202421925918.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The traditional corn harvester is inconvenient to adjust the stubble cutting height, resulting in poor harvesting effect and shortened machine service life. The cost of corn conveying and transporting is high, so it is impossible to flexibly adapt to different corn planting heights and terrain.
A corn cutting platform with adjustable cutting height is designed, and a multi-axis rotation mechanism and a driving motor drive the rotation of the driving shaft to achieve synchronous progress of corn conveying and feeding. Through the coordination of the conveying crane and the conveying roller, the comprehensiveness and efficiency of corn harvesting are ensured.
It realizes flexible adjustment of corn stubble cutting height and angle, prevents field leakage, improves corn harvesting efficiency, reduces driving costs, and ensures synchronous and efficient corn transportation and transmission.
Smart Images

Figure CN223142510U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of corn cutting platforms, in particular to a corn cutting platform with adjustable stubble height. Background Technique
[0002] In the process of modern agricultural mechanization, the application of corn harvesters has greatly improved agricultural production efficiency. However, traditional corn harvesters have limitations in adjusting the stubble height and cannot flexibly adapt to the needs of different corn planting heights and terrains, which to a certain extent affects the harvesting effect and the service life of the machine;
[0003] In a corn kernel cutting platform with the publication number of CN216775520U, it includes a rear frame of the cutting platform. The rear frame of the cutting platform is connected with a ear picking structure, a straw crushing structure, a lifting structure, a transmission system, and a screw conveyor structure. The ear picking structure is connected with a dividing structure. The rear frame of the cutting platform is a frame structure. There are rear frame side plates on both sides of the rear frame of the cutting platform, and a rear frame cross beam is arranged between the rear frame side plates. The rear frame cross beam is connected with a rear frame vertical beam. Lightweight design and structural optimization are carried out on each part, reducing the weight of the cutting platform, which is beneficial to improving the interchangeability between the tracked rice and wheat harvester and the corn kernel cutting platform, and avoiding the decline of the control performance of the tracked rice and wheat harvester due to the replacement of the cutting platform. When the tracked rice and wheat harvester is replaced with a corn kernel cutting platform, the annual utilization rate of the tracked rice and wheat harvester can be improved, the agricultural machinery input cost of farmers can be reduced, the harvesting process can be reduced, and the harvesting cost can be reduced;
[0004] During the working process of the corn cutting platform, it is necessary to convey the harvested corn to the harvester. In the process of using the above-mentioned existing technology, multiple driving mechanisms are required to drive the conveying and transmission of the harvested corn, which increases the actual use cost and investment, reduces the overall working efficiency of the corn cutting platform, and moreover, during the harvesting process, its height and angle are inconvenient to adjust, thus being inconvenient to meet the harvesting of corn at different heights, and prone to the phenomena of missed ear picking and missed field, resulting in the problem of low operation efficiency. Therefore, corresponding improvements are needed. Content of the Utility Model
[0005] The purpose of the utility model is to provide a corn cutting platform with adjustable stubble height to solve the problems that in the use of the existing corn cutting platform, it is inconvenient to synchronously feed and convey materials, and moreover, the corn harvesting height is inconvenient to adjust as mentioned in the above background technology.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A corn cutting platform with adjustable stubble height includes a cutting platform support, connecting plates, and side support plates. Both sides of the cutting platform support are connected with side support plates, and through holes are arranged on one side of each side support plate. One side of each side support plate is connected with a connecting plate, and a connecting rod is connected between the connecting plates;
[0007] It further includes:
[0008] One side of the connecting plate is connected with a main motor, and one end of the main motor is connected with a rotating shaft. One end of the rotating shaft is connected with one side of the cutter bar bracket. One side of the cutter bar bracket is connected with a feeding cylinder, and a corn conveying assembly is arranged inside the feeding cylinder. A multi-axis rotating mechanism is arranged on one side of the feeding cylinder.
[0009] When using a corn cutter bar with adjustable stubble height of this technical solution, during use, through the setting of the multi-axis rotating mechanism, the synchronous feeding and conveying of corn by the corn cutter bar can be realized, so as to improve the working efficiency of the corn cutter bar.
[0010] Preferably, a feeding through hole is arranged on one side of the cutter bar bracket, and the feeding through hole communicates with the feeding cylinder.
[0011] Preferably, the corn conveying assembly includes a main conveying roller arranged inside the cutter bar bracket, and a secondary conveying roller is arranged inside the feeding cylinder above the main conveying roller. A conveying belt is connected between the secondary conveying roller and the main conveying roller, and dividing partitions are evenly connected to the conveying belt.
[0012] Preferably, the cross section of the dividing partition is rectangular, and multiple groups of dividing partitions are arranged on the conveying belt. The dividing intervals between adjacent dividing partitions are equal.
[0013] Preferably, the multi-axis rotating mechanism includes a driving motor, and the driving motor is arranged on one side of the feeding cylinder. One end of the driving motor is connected with a driving shaft, and one end of the driving shaft extends into the feeding cylinder and penetrates through the main conveying roller. One end of the driving shaft is sleeved with a driving belt pulley, and a driven belt pulley is connected to the outside of the cutter bar bracket on one side of the driving belt pulley. A linkage belt is connected between the driving belt pulley and the driven belt pulley, and a driven shaft penetrates through the inside of the driven belt pulley.
[0014] Preferably, one end of the driven shaft extends into the cutter bar bracket, one end of the driven shaft is connected with a conveying auger, and the other end of the conveying auger is rotatably connected to the inner wall of the cutter bar bracket.
[0015] Preferably, triangular cutter bar shear blocks with a cross section are evenly arranged at one end of the cutter bar bracket, and chromium oxide coatings are applied on the cutter bar shear blocks.
[0016] Compared with the prior art, the beneficial effects of the present utility model are: This corn cutter bar with adjustable stubble height can not only realize synchronous feeding in the horizontal and vertical directions, but also the stubble height and angle of the corn cutter bar can be adjusted to ensure the comprehensiveness of corn harvesting and prevent the situation of missed fields;
[0017] The driving motor drives the driving shaft to rotate, and the driving pulley rotates synchronously. By cooperating with the linkage belt, the driven pulley can be rotated synchronously, and then the driven shaft can be rotated, so that the conveying auger rotates, in order to convey the conveying auger harvested into the cutting table bracket. During this process, the driving shaft drives the main conveying roller to rotate synchronously, so that the corn conveying assembly can operate synchronously, so as to achieve the synchronous progress of corn conveying and transmission, improve the utilization rate of the driving motor, and achieve the effect of cost saving;
[0018] The main conveying roller rotates in cooperation with the auxiliary conveying roller, so that the conveying belt can operate synchronously, in order to convey the corn conveyed into the feeding cylinder, and multi-component partition plates are arranged on the conveying belt, so that the separated conveying of corn can be realized, preventing the situation of corn conveying and stacking, and improving the working efficiency of corn conveying;
[0019] The connecting plate and the connecting rod are used to install the cutting table bracket on the corn combine harvester of a small tractor or a large tractor. The driving main motor drives the rotating shaft to rotate, which can drive the cutting table bracket to rotate synchronously, so as to adjust the use angles and heights of the cutting table bracket and the reel guard, so as to adjust the height and angle of corn harvesting, achieve the effect of comprehensive harvesting, prevent the situation of missed fields, and improve the corn harvesting efficiency. Brief Description of the Drawings
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0021] Figure 1 It is a three-dimensional structure schematic diagram of the present invention;
[0022] Figure 2 It is a three-dimensional structure schematic diagram of the present invention;
[0023] Figure 3 It is a three-dimensional structure schematic diagram of the present invention;
[0024] Figure 4 It is a three-dimensional structure schematic diagram of the multi-axis rotation mechanism of the present invention;
[0025] Figure 5 It is a three-dimensional structure schematic diagram of the cutting table shear block of the present invention;
[0026] Figure 6 It is a three-dimensional structure schematic diagram of the feeding cylinder of the present invention.
[0027] Explanation of the reference numerals in the figures: 1. Header support; 101. Feeding through-hole; 2. Connecting plate; 3. Main motor; 4. Feeding cylinder; 5. Multi-axis rotating mechanism; 501. Driving motor; 502. Driving shaft; 503. Driving pulley; 504. Driven pulley; 505. Linking belt; 506. Driven shaft; 6. Conveyor auger; 7. Reel guard; 8. Side support plate; 801. Through-hole; 9. Rotating shaft; 10. Header shear block; 11. Main conveyor roller; 12. Auxiliary conveyor roller; 13. Conveyor belt; 14. Dividing partition; 15. Connecting rod. Detailed implementation manners
[0028] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0029] Please refer to Figures 1-6 , the present utility model provides the following technical solutions: Embodiment
[0030] In order to solve the problem that the cutting stubble height of the existing corn header is inconvenient to adjust flexibly during use, resulting in possible missed cutting during corn harvesting, the following technical solutions are hereby disclosed. For details, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , including a header support 1, a connecting plate 2, and side support plates 8. Side support plates 8 are connected to both sides of the header support 1, and through-holes 801 are provided on one side of each side support plate 8. Connecting plates 2 are connected to one side of each side support plate 8, and a connecting rod 15 is connected between the connecting plates 2. It further includes: a main motor 3 is connected to one side of the connecting plate 2, and a rotating shaft 9 is connected to one end of the main motor 3. One end of the rotating shaft 9 is connected to one side of the header support 1. Triangular header shear blocks 10 with a triangular cross-section are evenly arranged at one end of the header support 1, and chromium oxide coatings are applied on the header shear blocks 10.
[0031] When this embodiment is in use, the rotation of the rotating shaft 9 is driven by the main motor 3, so that the use angle of the cutting table support 1 can be adjusted, achieving the effect of adjusting the use height of the cutting table support 1 and the reel housing 7, and then controlling the height of the corn stubble, preventing the situation of missed cutting, so as to ensure the comprehensiveness and high efficiency of corn harvesting. A plurality of groups of cutting table shear blocks 10 are evenly arranged on one side of the cutting table support 1, and a chromium oxide coating is applied on the cutting table shear blocks 10, which has good wear resistance, so as to push down the corn stalks during the moving harvesting process of the corn harvester and ensure the high efficiency of corn harvesting. Embodiment
[0032] This embodiment is different from the first embodiment. By setting the multi-axis rotating mechanism 5, the synchronous horizontal and vertical conveying after corn harvesting can be realized, so as to improve the working efficiency of the corn cutting table. Therefore, the following technical solutions are announced. For details, please refer to Figure 1 , Figure 2 , Figure 4 , Figure 6 , a feeding cylinder 4 is connected to one side of the cutting table support 1, and a corn conveying assembly is arranged inside the feeding cylinder 4. The corn conveying assembly includes a main conveying roller 11 arranged inside the cutting table support 1, and a secondary conveying roller 12 is arranged inside the feeding cylinder 4 above the main conveying roller 11. A conveying belt 13 is connected between the secondary conveying roller 12 and the main conveying roller 11, and a plurality of material dividing partitions 14 are evenly connected to the conveying belt 13. The cross-section of the material dividing partition 14 is rectangular, and a plurality of groups of material dividing partitions 14 are arranged on the conveying belt 13. The separation distance between adjacent material dividing partitions 14 is equal. A multi-axis rotating mechanism 5 is arranged on one side of the feeding cylinder 4. The multi-axis rotating mechanism 5 includes a driving motor 501, and the driving motor 501 is arranged on one side of the feeding cylinder 4. One end of the driving motor 501 is connected to a driving shaft 502, and one end of the driving shaft 502 extends into the feeding cylinder 4 and penetrates through the main conveying roller 11. One end of the driving shaft 502 is sleeved with a driving belt pulley 503, and a driven belt pulley 504 is connected to the outside of the cutting table support 1 on one side of the driving belt pulley 503. A linkage belt 505 is connected between the driving belt pulley 503 and the driven belt pulley 504. A driven shaft 506 penetrates through the inside of the driven belt pulley 504, and one end of the driven shaft 506 extends into the cutting table support 1. One end of the driven shaft 506 is connected to a conveying auger 6, and the other end of the conveying auger 6 is rotatably connected to the inner wall of the cutting table support 1. A feeding through hole 101 is arranged on one side of the cutting table support 1, and the feeding through hole 101 communicates with the feeding cylinder 4;
[0033] In the use of this embodiment, the driving motor 501 drives the rotation of the driving shaft 502 and the driving pulley 503. By cooperating with the linkage belt 505, the driven shaft 506 and the conveying auger 6 rotate synchronously, so as to laterally convey the harvested corn. Since the cutting table bracket 1 and the material conveying cylinder 4 are connected through the feeding through hole 101, the harvested corn can be conveyed into the material conveying cylinder 4. The driving shaft 502 drives the main conveying roller 11 to rotate, so that the conveying belt 13 operates, in order to convey the corn on the conveying belt 13. By cooperating with the multi-component material partition plate 14, intermittent feeding is realized to ensure the synchronous lateral and longitudinal feeding of the corn, so as to ensure the high efficiency of the corn cutting table operation, and this can be achieved by using only one driving motor 501, achieving the effect of saving the use cost.
[0034] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0035] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative labor.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A corn header with adjustable stubble height, comprising a header bracket (1), a connecting plate (2), and side support plates (8). Side support plates (8) are connected to both sides of the header bracket (1), and through holes (801) are provided on one side of each side support plate (8). Connecting plates (2) are connected to one side of each side support plate (8), and a connecting rod (15) is connected between the connecting plates (2). It is characterized in that It further includes: A main motor (3) is connected to one side of the connecting plate (2), and a rotating shaft (9) is connected to one end of the main motor (3). One end of the rotating shaft (9) is connected to one side of the header bracket (1). A feed cylinder (4) is connected to one side of the header bracket (1), and a corn conveying assembly is arranged inside the feed cylinder (4). A multi-axis rotating mechanism (5) is provided on one side of the feed cylinder (4).
2. The corn header with adjustable stubble height according to claim 1, characterized in that: A feed through hole (101) is provided on one side of the header bracket (1), and the feed through hole (101) communicates with the feed cylinder (4).
3. The corn header with adjustable stubble height according to claim 1, characterized in that: The corn conveying assembly includes a main conveying roller (11) arranged inside the header bracket (1), and a secondary conveying roller (12) is arranged inside the feed cylinder (4) above the main conveying roller (11). A conveying belt (13) is connected between the secondary conveying roller (12) and the main conveying roller (11), and a material dividing partition (14) is evenly connected to the conveying belt (13).
4. A corn header with adjustable stubble height according to claim 3, characterized in that: The cross-section of the material dividing partition (14) is rectangular, and multiple groups of the material dividing partitions (14) are arranged on the conveying belt (13). The separation distance between adjacent material dividing partitions (14) is equal.
5. A corn header with adjustable stubble height according to claim 1, characterized in that: The multi-axis rotating mechanism (5) includes a driving motor (501), and the driving motor (501) is arranged on one side of the feed cylinder (4). One end of the driving motor (501) is connected to a driving shaft (502), and one end of the driving shaft (502) extends into the feed cylinder (4) and penetrates through the main conveying roller (11). A driving belt pulley (503) is sleeved on one end of the driving shaft (502), and a driven belt pulley (504) is connected to the outside of the header bracket (1) on one side of the driving belt pulley (503). A linkage belt (505) is connected between the driving belt pulley (503) and the driven belt pulley (504), and a driven shaft (506) penetrates through the inside of the driven belt pulley (504).
6. The corn header with adjustable stubble height according to claim 5, characterized in that: One end of the driven shaft (506) extends into the header bracket (1), and a conveying auger (6) is connected to one end of the driven shaft (506). The other end of the conveying auger (6) is rotatably connected to the inner wall of the header bracket (1).
7. A corn header with adjustable stubble height according to claim 1, characterized in that: At one end of the header bracket (1), header shear blocks (10) with a triangular cross-section are evenly arranged, and a chromium oxide coating is applied to each header shear block (10).