Soybean harvester cylinder
By adjusting the spacing and aperture of the spikes and filter holes of the threshing drum in a soybean harvester, the problems of disturbance and clogging in the threshing drum of a soybean harvester with crops of different maturity and moisture content were solved, achieving efficient threshing and anti-clogging effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI LVMAO SHENGTAI AGRI CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-19
AI Technical Summary
The fixed spacing and aperture of the threshing drum in existing soybean harvesters make it difficult to adapt to soybean crops with different maturity and moisture content, resulting in disturbance and clogging problems.
An adjustable disturbance component and filter plate with adjustable spacing between the spike teeth and filter holes were designed. The filter hole diameter is adjusted by rotating the guard plate driven by a cylinder to prevent clogging.
It achieves high threshing throughput and effectively prevents soybean stalk blockage, thus improving the threshing efficiency and reliability of soybean harvesters.
Smart Images

Figure CN224368455U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of agricultural machinery and equipment technology, and in particular relates to the threshing drum of a soybean harvester. Background Technology
[0002] During the soybean harvesting process, the threshing drum is an essential component of the soybean harvester. The agitation structure of the threshing drum often uses a combination of fixed-spaced spikes or grooved bars. The distance between the spikes and the filter holes is relatively fixed, resulting in a relatively fixed agitation force. This makes it difficult to adapt to soybean crops with different maturity levels and moisture contents. Furthermore, the fixed size of the filter holes makes them prone to clogging when processing soybean crops with a lot of straw mixed in. Therefore, it is necessary to provide a soybean harvester threshing drum that can control the pressure and agitation force applied to the crop by adjusting the distance between the spikes and the filter holes, while simultaneously preventing clogging by adjusting the filter hole diameter. Utility Model Content
[0003] The purpose of this invention is to provide a threshing drum for a soybean harvester that can control the pressure and disturbance force applied to the crop by adjusting the distance between the spike teeth and the filter holes, and at the same time prevent clogging by adjusting the diameter of the filter holes, thereby solving the above-mentioned technical problems.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A threshing drum for a soybean harvester includes two assembly discs; a disturbance component is provided between the two assembly discs, the disturbance component includes a drive shaft, both ends of the drive shaft are rotatably connected to the assembly discs through bearings, four inner support discs are fixedly connected to the surface of the drive shaft, multiple annularly distributed disturbance rods are fixedly connected to the surface of the inner support discs, multiple nail teeth are fixedly connected to the surface of the disturbance rods, a filter plate is provided at the bottom of the two assembly discs, multiple filter holes are opened at the bottom of the inner cavity of the filter plate, an arc-shaped groove adapted to the filter holes is opened at the bottom of the opposite side of the two assembly discs, an arc-shaped groove is opened at the bottom of the filter plate, and an adjustment component is provided at the bottom of the filter plate.
[0005] Preferably, a first connecting arm is fixedly connected to the rear end of both sides of the filter plate, and a second cylinder is provided on the rear side of the first connecting arm, with the output end of the second cylinder rotatably connected to the first connecting arm.
[0006] Preferably, the adjusting component includes three rotating guard plates that engage with the inner cavity of the arc-shaped groove. The bottom of the rotating guard plates is provided with multiple material leakage grooves. The inner cavity of the material leakage grooves is fixedly connected with a material blocking plate, which engages with the inner cavity of the filter holes.
[0007] Preferably, a rotating shaft is fixedly connected to the rear side of the rotating guard plate, and a second connecting arm is fixedly connected to the rear side of the bottom of the rotating guard plate.
[0008] Preferably, a rotatable first cylinder is installed on the rear side of the bottom of the filter plate, and the output end of the first cylinder is rotatably connected to the second connecting arm.
[0009] The beneficial effects of this utility model are:
[0010] 1. This utility model uses the assembly disc, agitation component and filter plate in combination to peel soybeans from soybean crops. At the same time, with the help of the spacing adjustment component, the distance between the assembly disc and the filter plate can be adjusted, so as to achieve high threshing throughput and effectively prevent soybean stalk blockage.
[0011] 2. This utility model, through the setting of the adjustable distance component, wherein the rotating shaft and the second connecting arm work together to drive the rotating guard plate to rotate, and at the same time, with the cooperation of the material leakage trough and the material blocking plate, the size of the filter hole cavity can be adjusted, thereby effectively preventing the phenomenon of straw blockage. Attached Figure Description
[0012] in:
[0013] Figure 1 This is a side view schematic diagram of one embodiment of the present utility model;
[0014] Figure 2 This is a three-dimensional schematic diagram of an embodiment of the present invention, showing the assembly disk, disturbance component, and filter plate.
[0015] Figure 3 This is a three-dimensional schematic diagram of an embodiment of the present invention, showing the assembly disk and the disturbance component.
[0016] Figure 4 This is an exploded perspective view of a filter plate and a spacing adjustment assembly according to an embodiment of the present invention.
[0017] The attached diagram lists the components represented by each number as follows:
[0018] 1. Assembly plate, 2. Disturbance assembly, 21. Drive shaft, 22. Inner support plate, 23. Disturbance rod, 24. Screw tooth, 3. Filter plate, 4. Filter hole, 5. Arc groove, 6. First connecting arm, 7. Adjustment assembly, 71. Rotating guard plate, 72. Material leakage trough, 73. Material blocking plate, 74. Rotating shaft, 75. Second connecting arm, 76. First cylinder, 8. Second cylinder, 9. Arc groove. Detailed Implementation
[0019] In the following description, embodiments of the soybean harvester threshing drum of the present invention will be described with reference to the accompanying drawings.
[0020] Figure 1-4This invention illustrates a soybean harvester threshing drum according to an embodiment of the present invention, comprising two assembly discs 1. A disturbance component 2 is disposed between the two assembly discs 1. The disturbance component 2 includes a drive shaft 21, both ends of which are rotatably connected to the assembly discs 1 via bearings. Four inner support discs 22 are fixedly connected to the surface of the drive shaft 21. Multiple annularly distributed disturbance rods 23 are fixedly connected to the surface of the inner support discs 22. Multiple spike teeth 24 are fixedly connected to the surface of the disturbance rods 23. Filter plates 3 are disposed at the bottom of the two assembly discs 1. First connecting arms 6 are fixedly connected to the rear ends of both sides of the filter plates 3. Second cylinders 8 are disposed at the rear side of the first connecting arms 6. The output end of the second cylinders 8 is rotatably connected to the first connecting arms 6. Multiple filter holes 4 are opened at the bottom of the inner cavity of the filter plates 3. Arc-shaped grooves 5 adapted to the filter holes 4 are opened at the bottom of the opposite side of the two assembly discs 1. Arc-shaped slots are opened at the bottom of the filter plates 3. 9. A spacing adjustment assembly 7 is provided at the bottom of the filter plate 3. The spacing adjustment assembly 7 includes three rotating guard plates 71 that engage with the inner cavity of the arc-shaped groove 9. Multiple material leakage grooves 72 are opened at the bottom of the rotating guard plates 71. A material blocking plate 73 is fixedly connected to the inner cavity of the material leakage groove 72. The material blocking plate 73 engages with the inner cavity of the filter hole 4. A rotating shaft 74 is fixedly connected to the rear side of the rotating guard plate 71. A second connecting arm 75 is fixedly connected to the rear side of the bottom of the rotating guard plate 71. A rotatable first cylinder 76 is installed on the rear side of the bottom of the filter plate 3. The output end of the first cylinder 76 is rotatably connected to the second connecting arm 75. Through the setting of the spacing adjustment assembly 7, the rotating shaft 74 and the second connecting arm 75 work together to drive the rotating guard plate 71 to rotate. At the same time, with the cooperation of the material leakage grooves 72 and the material blocking plate 73, the size of the inner cavity of the filter hole 4 can be adjusted, thereby effectively preventing the phenomenon of straw blockage.
[0021] Working principle: When using this invention, the user transports soybean crops to the inner cavity of the filter plate 3 via the harvester's header and conveying system. The harvester's transmission system drives the drive shaft 21 to rotate, causing the inner support plate 22 and the disturbance rod 23 to rotate and drive the spike teeth 24 to brush the soybean crops, causing the soybeans to separate from the crops and fall out of the filter holes 4 and the inner cavity of the leakage trough 72. During use, the first cylinder 76 can be intermittently started. After the first cylinder 76 is started, it pulls the second connecting arm 75, causing the rotating guard plate 7 to rotate. 1. Rotation occurs around the rotating shaft 74 as the rotation center, causing the rotating guard plate 71 to rotate within the arc-shaped groove 9. This causes the material blocking plate 73 to quickly return to its original position after disengaging from the inner cavity of the filter hole 4 by a certain distance, thereby expanding the inner diameter of the filter hole 4 in a short time and preventing local blockage within the filter hole 4. In the event of blockage or maintenance, the second cylinder 8 is activated, pushing the first connecting arm 6. This causes the first connecting arm 6 to rotate the filter plate 3, thereby disengaging the filter plate 3 from the bottom of the assembly plate 1 and promptly addressing the blockage between the two assembly plates 1.
[0022] In summary, the threshing drum of this soybean harvester, through the combined use of the assembly disc 1, the disturbance component 2, and the filter plate 3, separates soybean grains from the soybean crop. At the same time, with the cooperation of the spacing adjustment component 7, the distance between the assembly disc 1 and the filter plate 3 can be adjusted, thereby achieving high threshing throughput and effectively preventing soybean stalk blockage.
Claims
1. A soybean harvester cylinder characterized by, The assembly includes two assembly discs (1): a disturbance component (2) is provided between the two assembly discs (1). The disturbance component (2) includes a drive shaft (21). Both ends of the drive shaft (21) are rotatably connected to the assembly discs (1) through bearings. Four inner support discs (22) are fixedly connected to the surface of the drive shaft (21). Multiple annularly distributed disturbance rods (23) are fixedly connected to the surface of the inner support discs (22). Multiple nail teeth (24) are fixedly connected to the surface of the disturbance rods (23). A filter plate (3) is provided at the bottom of the two assembly discs (1). Multiple filter holes (4) are opened at the bottom of the inner cavity of the filter plate (3). An arc-shaped groove (5) adapted to the filter hole (4) is opened at the bottom of the opposite side of the two assembly discs (1). An arc-shaped slot (9) is opened at the bottom of the filter plate (3). An adjustment component (7) is provided at the bottom of the filter plate (3).
2. The soybean harvester cylinder according to claim 1, wherein, The filter plate (3) has a first connecting arm (6) fixedly connected to the rear end of both sides. A second cylinder (8) is provided on the rear side of the first connecting arm (6). The output end of the second cylinder (8) is rotatably connected to the first connecting arm (6).
3. The soybean harvester cylinder according to claim 2, wherein, The adjustable distance assembly (7) includes three rotating guard plates (71) that engage with the inner cavity of the arc-shaped groove (9). The bottom of the rotating guard plate (71) is provided with multiple material leakage grooves (72). The inner cavity of the material leakage groove (72) is fixedly connected with a material blocking plate (73), which engages with the inner cavity of the filter hole (4).
4. The soybean harvester cylinder according to claim 3, wherein, A rotating shaft (74) is fixedly connected to the rear side of the rotating guard plate (71), and a second connecting arm (75) is fixedly connected to the rear side of the bottom of the rotating guard plate (71).
5. The soybean harvester cylinder according to claim 4, wherein, A rotatable first cylinder (76) is installed on the rear side of the bottom of the filter plate (3), and the output end of the first cylinder (76) is rotatably connected to the second connecting arm (75).