A material threshing auxiliary structure, a threshing concave assembly and a harvester
By installing a threshing sealing plate assembly and a tie-down assembly on the threshing concave plate, the material is prevented from falling, which solves the problem of incomplete threshing when the crop is dry or difficult to thresh, and improves the cleanliness of the grain.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LOVOL HEAVY IND CO LTD
- Filing Date
- 2025-07-11
- Publication Date
- 2026-07-10
AI Technical Summary
During the threshing process, existing harvesters sometimes fail to completely remove material when drying or handling difficult-to-thresh crops, resulting in low grain cleanliness and incomplete threshing.
Design a material threshing auxiliary structure, including a threshing sealing plate assembly and a tie assembly. The structure uses hooks to hook the threshing strips of the threshing concave plate, preventing material from falling, reducing the cleaning load, and improving grain cleanliness.
When handling dry or difficult-to-thresh crops, the cleaning intensity is reduced by blocking the material from falling, thus avoiding broken pieces and incomplete threshing and improving grain cleanliness.
Smart Images
Figure CN224473743U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural machinery technology, and in particular to a material threshing auxiliary structure, a threshing concave plate assembly, and a harvester. Background Technology
[0002] The threshing concave plate is a core component in the threshing process of a harvester. The ears of grain are threshed primarily through collision and friction with the concave plate, as well as the combined action of the threshing drum and other components. During threshing, the material falls through the sieve holes of the threshing concave plate. However, in existing harvester drum threshing systems, the concave plate lacks any device to reduce material falling. When harvesting drier or more difficult-to-thresh crops, a significant amount of crop falls without completing the threshing process, resulting in low grain cleanliness and a tendency for incomplete threshing. Utility Model Content
[0003] This invention addresses the technical problem that existing threshing concave plates often result in incomplete threshing within the same threshing unit time during the threshing process, by providing a material threshing auxiliary structure, a threshing concave plate assembly, and a harvester.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:
[0005] This utility model provides a material threshing auxiliary structure, including a threshing sealing plate assembly and at least two tie-up assemblies. Each tie-up assembly is spaced apart and detachably connected to the threshing sealing plate assembly. Each tie-up assembly has a hook fixedly connected to its end. Each hook is used to pass through the sieve hole of the threshing concave plate and to hook the threshing strip of the threshing concave plate.
[0006] The beneficial effects of this utility model are: during use, the threshing sealing plate assembly can block the falling of materials during the threshing process. Therefore, when harvesting relatively dry or difficult-to-thresh crops, assembling this threshing sealing plate assembly onto the threshing concave plate reduces the probability of materials falling into the cleaning chamber, which can reduce the cleaning load and cleaning intensity, thereby improving the cleanliness of the grain and avoiding the phenomena of broken grains and incomplete threshing.
[0007] Based on the above technical solution, the present invention can be further improved as follows.
[0008] Furthermore, the tie assembly includes a hanging rod, a spring, and a handle. The middle end of the hanging rod is slidably and rotatably connected to the threshing sealing plate assembly. The spring is sleeved on one end of the hanging rod, and one end of the spring abuts against the threshing sealing plate assembly. The handle is detachably connected to one end of the hanging rod and abuts against the other end of the spring. The hook is fixedly connected to the other end of the hanging rod.
[0009] Furthermore, one end of the hanging rod is fixedly connected to a boss with external threads, and the handle is threadedly connected to the boss.
[0010] Furthermore, the tie assembly also includes a sleeve, one end of which is fixedly connected to the threshing sealing plate assembly and sleeved on the outside of one end of the spring, with the hanging rod passing through the sleeve.
[0011] Furthermore, the tie assembly also includes a limiting seat fixedly connected to the threshing sealing plate assembly, the limiting seat having an adjustment hole through which the hanging rod passes.
[0012] Furthermore, the threshing sealing plate assembly includes a sealing plate and multiple flanges, each with one end fixedly connected to the end of the sealing plate. Each flange is distributed at opposite ends of the sealing plate, and the other end of each flange is used to abut against the threshing concave plate.
[0013] Furthermore, each of the flanges has a notch at the other end.
[0014] Furthermore, the sealing plate is an arc-shaped structure adapted to the threshing concave plate.
[0015] This utility model also provides a threshing concave plate assembly, including the aforementioned material threshing auxiliary structure and threshing concave plate, wherein the hook of the material threshing auxiliary structure hooks the threshing strip of the threshing concave plate.
[0016] This utility model also provides a harvester, including the aforementioned threshing concave plate assembly. Attached Figure Description
[0017] Figure 1 This is an installation structure diagram of the material threshing auxiliary structure of this utility model;
[0018] Figure 2 For the present utility model Figure 1 Enlarged view of section A;
[0019] Figure 3 This is a structural diagram of the material threshing auxiliary structure of this utility model;
[0020] Figure 4 For the present utility model Figure 3 Enlarged view of section B;
[0021] Figure 5 This is a structural diagram of the hanging rod of this utility model;
[0022] Figure 6 This is a structural diagram of the limiting seat of this utility model.
[0023] The attached diagram lists the components represented by each number as follows:
[0024] 1. Threshing concave plate; 11. Screen hole; 12. Threshing strip; 2. Threshing sealing plate assembly; 21. Sealing plate; 22. Flanged edge; 221. Notch; 3. Tie assembly; 31. Hanging rod; 311. Boss; 32. Spring; 33. Handle; 34. Sleeve; 35. Limiting seat; 351. Adjustment hole; 4. Hook. Detailed Implementation
[0025] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0026] Example 1
[0027] like Figures 1-6 This embodiment provides a material threshing auxiliary structure, including a threshing sealing plate assembly 2 and at least two tie-up assemblies 3. Each tie-up assemblies 3 are spaced apart and can be detachably connected to the threshing sealing plate assembly 2. Each tie-up assemblies 3 has a hook 4 fixedly connected to its end. Each hook 4 is used to pass through the sieve hole 11 of the threshing concave plate 1 and to hook the threshing strip 12 of the threshing concave plate 1.
[0028] During installation, the other end of each tie assembly 3 is passed through the sieve hole 11 of the threshing concave plate 1, and the hook 4 hooks the threshing strip 12 of the threshing concave plate 1, until one side of the threshing sealing plate assembly 2 abuts against the back side of the threshing concave plate 1. During use, the threshing sealing plate assembly 2 can block the falling of materials during the threshing process. Therefore, when harvesting relatively dry or difficult-to-thresh crops, assembling the threshing sealing plate assembly 2 onto the threshing concave plate 1 reduces the probability of materials falling into the cleaning chamber, which can reduce the cleaning load and cleaning intensity, thereby improving the cleanliness of the grain and avoiding the phenomenon of broken grains and incomplete threshing.
[0029] Among them, multiple hooks 4 hook onto the threshing strip 12, which can ensure the installation stability of the threshing sealing plate assembly 2.
[0030] In addition, the material threshing auxiliary structure can be adjusted and installed at any position on the threshing concave plate 1 through the connection of the hook 4, making it convenient to use.
[0031] like Figures 3-6 The tie assembly 3 includes a hanging rod 31, a spring 32, and a handle 33. The middle end of the hanging rod 31 is slidably and rotatably connected to the threshing sealing plate assembly 2. The spring 32 is sleeved on one end of the hanging rod 31, and one end of the spring 32 abuts against the threshing sealing plate assembly 2. The handle 33 is detachably connected to one end of the hanging rod 31 and abuts against the other end of the spring 32. The hook 4 is fixedly connected to the other end of the hanging rod 31.
[0032] During installation, the threshing sealing plate assembly 2 is placed against the back of the threshing concave plate 1. By applying force to the handle 33, the hanging rod 31 is rotated, causing the hanging rod 31 to slide relative to the threshing sealing plate assembly 2. The depth and angle of the hook 4 relative to the threshing concave plate 1 are adjusted until the hook 4 is aligned with the threshing strip 12 of the threshing concave plate 1. The handle 33 is then released, and the hanging rod 31 slides in the opposite direction relative to the threshing sealing plate assembly 2 under the action of the spring 32 until the hook 4 hooks the threshing strip 12 of the threshing concave plate 1.
[0033] One end of the hanging rod 31 is fixedly connected to a boss 311 with external threads, and the handle 33 is threaded to the boss 311. The handle 33 can be quickly attached and detached through the threaded connection.
[0034] The tie assembly 3 also includes a sleeve 34, one end of which is fixedly connected to the threshing sealing plate assembly 2 and sleeved on the outside of one end of the spring 32. The hanging rod 31 passes through the sleeve 34 to guide and limit the compression of the spring 32 through the sleeve 34.
[0035] The tie assembly 3 also includes a limiting seat 35 fixedly connected to the threshing sealing plate assembly 2. The limiting seat 35 has an adjustment hole 351 through which the hanging rod 31 passes.
[0036] The limit seat 35 and the threshing sealing plate assembly 2 are used to limit the hanging rod 31 to ensure the straightness of the installation of the hanging rod 31. At the same time, the adjustment hole 351 facilitates the rotation of the hanging rod 31 and realizes the angle adjustment of the hook 4.
[0037] The limiting seat 35 has a U-shaped structure, and its two straight arm ends are fixedly connected to the sealing plate 21. The adjustment hole 351 is opened at the closed end of the limiting seat 35, and the adjustment hole 351 can be a strip hole, a square hole or other polygonal hole.
[0038] As a parallel solution in this embodiment, the tie assembly 3 includes a hanging rod 31 and a nut threaded to one end of the hanging rod 31. By tightening the nut, the hook 4 hooks the threshing strip 12 of the threshing concave plate 1.
[0039] like Figure 3 The threshing sealing plate assembly 2 includes a sealing plate 21 and multiple flanges 22, each of which is fixedly connected to the end of the sealing plate 21 at one end. Each flange 22 is distributed at opposite ends of the sealing plate 21, and the other end of each flange 22 is used to abut against the threshing concave plate 1.
[0040] During installation, each flange 22 simultaneously abuts against the back side of the threshing concave plate 1 to ensure the stable installation of the threshing sealing plate assembly 2. At the same time, each flange 22 is distributed at opposite ends of the sealing plate 21. Under the partitioning effect formed by each flange 22, the other opposite ends of the sealing plate 21 can form a space for material to fall, so as to ensure that the material can fall normally while relatively extending the threshing time.
[0041] Among them, the sealing plate 21 is an arc-shaped structure adapted to the threshing concave plate 1, so as to ensure that the sealing plate 21 installed on the back side of the threshing concave plate 1 can form an effective blocking effect on the material. After the material falls onto the arc-shaped side of the sealing plate 21, the arc-shaped structure forms a limiting effect, so that the material can be fully threshed.
[0042] Furthermore, the sealing plate 21 has multiple through holes, and each through hole is connected to the sleeve 34 to allow the hanging rod 31 to slide and rotate.
[0043] Based on the above embodiments, one end of the sleeve 34 is fixedly connected to the back side of the sealing plate 21, and the limiting seat 35 is fixedly connected to the inner side of the sealing plate 21.
[0044] In this embodiment, each flange 22 has a notch 221 at its other end. The notch 221 serves to avoid the threshing fixing plate of the threshing concave plate 1. As a specific solution, the notch 221 can be a U-shaped opening, an L-shaped opening, etc.
[0045] Example 2
[0046] like Figure 1 and Figure 2 This embodiment also provides a threshing concave plate assembly, including at least one material threshing auxiliary structure and a threshing concave plate 1 of embodiment 1, wherein the hook 4 of the material threshing auxiliary structure hooks the threshing thread 12 of the threshing concave plate 1.
[0047] During installation, one, two, or three material threshing auxiliary structures can be installed, and they can be distributed at intervals on the threshing concave plate 1.
[0048] Example 3
[0049] This embodiment also provides a harvester, including the threshing concave plate assembly of Embodiment 2.
[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0053] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0054] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0055] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
Claims
1. A material threshing auxiliary structure, characterized in that, It includes a threshing sealing plate assembly (2) and at least two tie-up assemblies (3). Each tie-up assembly (3) is spaced apart and detachably connected to the threshing sealing plate assembly (2). Each tie-up assembly (3) has a hook (4) fixedly connected to its end. Each hook (4) is used to pass through the sieve hole (11) of the threshing concave plate (1) and to hook the threshing strip (12) of the threshing concave plate (1).
2. The material threshing auxiliary structure according to claim 1, characterized in that, The tie assembly (3) includes a hanging rod (31), a spring (32) and a handle (33). The middle end of the hanging rod (31) is slidably and rotatably connected to the threshing sealing plate assembly (2). The spring (32) is sleeved on one end of the hanging rod (31) and one end of the spring (32) abuts against the threshing sealing plate assembly (2). The handle (33) is detachably connected to one end of the hanging rod (31) and abuts against the other end of the spring (32). The hook (4) is fixedly connected to the other end of the hanging rod (31).
3. The material threshing auxiliary structure according to claim 2, characterized in that, One end of the hanging rod (31) is fixedly connected to a boss (311) with external threads, and the handle (33) is threaded to the boss (311).
4. The material threshing auxiliary structure according to claim 2, characterized in that, The tie assembly (3) also includes a sleeve (34), one end of which is fixedly connected to the threshing sealing plate assembly (2) and sleeved on the outside of one end of the spring (32), and the hanging rod (31) passes through the sleeve (34).
5. The material threshing auxiliary structure according to claim 2, characterized in that, The tie assembly (3) also includes a limiting seat (35) fixedly connected to the threshing sealing plate assembly (2), the limiting seat (35) having an adjustment hole (351) through it, and the hanging rod (31) passing through the adjustment hole (351).
6. The material threshing auxiliary structure according to any one of claims 1-5, characterized in that, The threshing sealing plate assembly (2) includes a sealing plate (21) and multiple flanges (22) with one end fixedly connected to the end of the sealing plate (21). Each flange (22) is distributed at opposite ends of the sealing plate (21), and the other end of each flange (22) is used to abut against the threshing concave plate (1).
7. The material threshing auxiliary structure according to claim 6, characterized in that, Each of the flanges (22) has a notch (221) at the other end.
8. The material threshing auxiliary structure according to claim 6, characterized in that, The sealing plate (21) is an arc-shaped structure adapted to the threshing concave plate (1).
9. A threshing concave plate assembly, characterized in that, Includes at least one material threshing auxiliary structure and threshing concave plate (1) as described in any one of claims 1-8, wherein the hook (4) of the material threshing auxiliary structure hooks the threshing thread (12) of the threshing concave plate (1).
10. A harvester, characterized in that, Includes the threshing concave plate assembly as described in claim 9.