A new type of material throwing roller of a harvester
By introducing a worm gear and bevel gear transmission system into the discharge roller of the harvester, the length of the feed plate can be adjusted, and the shovel plate can be easily replaced through the limiting structure. This solves the problems of poor applicability and inconvenient maintenance of the fixed feed plate length in the existing technology, and improves the applicability and maintenance efficiency of the equipment.
Patent Information
- Application Number
- CN202522529861.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-28
AI Technical Summary
The feed plate of the existing harvester's discharge roller has a fixed length, which cannot be adjusted according to the size and model of the harvester, resulting in poor applicability and inconvenient maintenance.
Design a material-slinging roller with an adjustable structure. Through a worm gear and bevel gear transmission system, the extension and retraction of the feeding plate can be adjusted, and the shovel plate can be easily replaced through a limiting structure.
This improves the applicability and maintenance efficiency of the material throwing roller, and enables flexible adjustment and convenient replacement of the feeding plate.
Smart Images

Figure CN224924265U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of harvester technology, and in particular to a novel material-throwing roller for harvesters. Background Technology
[0002] Harvesters are agricultural machines used to complete harvesting, threshing, stalk separation, and grain cleaning in one operation. They are suitable for various crops such as wheat, corn, soybeans, and sugarcane. They can simultaneously complete harvesting, threshing, cleaning, and grain collection processes, reducing manual intervention. Different models are designed according to crop type, such as grains and sugarcane. Harvesters are usually equipped with a material-throwing roller for transporting the material.
[0003] However, in the existing technology, the feeding plate on the outside of the existing material-throwing roller is usually fixed, which means that the length of the feeding plate on the material-throwing roller cannot be adjusted according to the size and model of the harvester. Each harvester requires a corresponding model of material-throwing roller, which makes the material-throwing roller less adaptable and inconvenient for later maintenance and replacement. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a new type of material-throwing roller for harvesters.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a novel material-throwing roller for a harvester, comprising: a material-throwing roller body, with mounting shafts fixedly installed at both ends of the material-throwing roller body; four feeding plates arranged on the inner side of the material-throwing roller body; an adjustment structure arranged between the four feeding plates and the material-throwing roller body; the adjustment structure including a rotating shaft, the rotating shaft being rotatably installed on the inner side of the material-throwing roller body; a rotating disk fixedly installed on the outer side of the rotating shaft; two fixed seats fixedly installed on one side of each of the four feeding plates; a fixed column fixedly installed between the two fixed seats; the rotating disk having four arc-shaped sliding grooves; the four fixed columns being respectively arranged on the inner side of the four arc-shaped sliding grooves and slidingly contacting the rotating disk; and a feeding structure arranged on one side of each of the four feeding plates.
[0006] In a preferred embodiment, a worm gear is fixedly mounted on the outer side of the rotating shaft, and a worm is rotatably mounted on the inner side of the throwing roller body, with the worm gear and the worm meshing together.
[0007] In a preferred embodiment, a connecting shaft is rotatably mounted on the inner side of the material-throwing roller body. One end of the connecting shaft is fixedly connected to a worm gear, and a first bevel gear is fixedly mounted on the outer side of the connecting shaft. A second bevel gear is meshed with the outer side of the first bevel gear.
[0008] In a preferred embodiment, a handle is rotatably mounted on one side of the material-throwing roller body, one end of the handle passes through one side of the material-throwing roller body and is rotatably connected to the material-throwing roller body, and the second bevel gear is fixedly mounted on one side of the handle.
[0009] In a preferred embodiment, two fixing blocks are fixedly installed on both sides of the four feeding plates, and eight limiting rods are fixedly installed on the inner side of the throwing roller body. The eight limiting rods pass through the sixteen fixing blocks and slide in contact with the sixteen fixing blocks respectively.
[0010] In a preferred embodiment, the feeding structure includes a shovel plate, two placement plates are fixedly installed on one side of the shovel plate, and two placement slots are formed on one side of the feeding plate, with the two placement plates and the two placement slots being adaptively matched.
[0011] In a preferred embodiment, a T-shaped groove is formed on one side of each of the two placement slots, a return spring is fixedly installed on the inner side of each of the two T-shaped grooves, a push plate is fixedly installed on one end of each of the two return springs, and the two push plates pass through both sides of the feeding plate and slide in contact with the feeding plate.
[0012] In a preferred embodiment, a stop block is fixedly installed on the top of the push plate, and a through groove is formed on the bottom of the placement plate. A limiting groove is formed on one side of the through groove. The width of the through groove is the same as the width of the push plate, and the width of the limiting groove is the same as the width of the stop block.
[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. This utility model drives the No. 2 bevel gear to rotate by rotating the throttle, which in turn drives the No. 1 bevel gear to mesh and rotate. The connecting shaft drives the worm gear to rotate, which in turn drives the worm wheel to mesh and rotate. The rotating shaft rotates accordingly, which drives the rotating disk to rotate. This causes the four fixed columns to slide inside the four arc-shaped sliding grooves, allowing the four feeding plates to move accordingly. This allows for length adjustment according to the internal space of the harvester and the material conditions, effectively improving the applicability of the throwing roller. 2. By pressing the two push plates, the two stops are moved from the two limiting slots to the inside of the two T-shaped slides, thereby releasing the limiting effect on the placement plate. The shovel plate can then be removed from one side of the feeding plate for maintenance and replacement. The operation is simple and convenient. Attached Figure Description
[0014] Figure 1 This utility model provides an overall structural schematic diagram of a novel material-throwing roller for a harvester.
[0015] Figure 2 A cross-sectional view of the main body of a novel material-throwing roller for a harvester provided by this utility model.
[0016] Figure 3 This utility model provides a schematic diagram of the separate structure of the feeding plate and the shovel plate of a new type of material-throwing roller for a harvester.
[0017] Figure 4 This utility model provides a schematic diagram of the structure of the placement plate portion of a novel material-throwing roller for a harvester.
[0018] Figure 5 This utility model provides a schematic diagram of the feeding plate section of a novel material-throwing roller for a harvester.
[0019] Legend: 11. Material throwing roller body; 12. Mounting shaft; 13. Feeding plate; 2. Adjustment structure; 21. Rotating shaft; 22. Rotary disk; 23. Fixed base; 24. Fixed column; 25. Arc-shaped slide groove; 26. Worm gear; 27. Worm; 28. Connecting shaft; 29. First bevel gear; 210. Second bevel gear; 211. Throttle handle; 212. Limiting rod; 213. Fixing block; 3. Feeding structure; 31. Shovel plate; 32. Placement plate; 33. Placement groove; 34. T-shaped slide; 35. Return spring; 36. Push plate; 37. Stop block; 38. Through groove; 39. Limiting groove. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0021] like Figure 1-2As shown, this utility model provides a technical solution: a novel material-throwing roller for a harvester, comprising: a material-throwing roller body 11, with mounting shafts 12 fixedly installed at both ends of the material-throwing roller body 11; four feeding plates 13 arranged on the inner side of the material-throwing roller body 11; an adjustment structure 2 arranged between the four feeding plates 13 and the material-throwing roller body 11; the adjustment structure 2 includes a rotating shaft 21, which is rotatably mounted on the inner side of the material-throwing roller body 11; a rotating disk 22 fixedly installed on the outer side of the rotating shaft 21; two fixed seats 23 fixedly installed on one side of each of the four feeding plates 13; a fixed column 24 fixedly installed between the two fixed seats 23; the rotating disk 22 has four arc-shaped sliding grooves 25; the four fixed columns 24 are respectively arranged on the inner side of the four arc-shaped sliding grooves 25 and slide in contact with the rotating disk 22; a feeding structure 3 is arranged on one side of each of the four feeding plates 13; and a material-throwing structure 3 is fixedly installed on the outer side of the rotating shaft 21. A worm gear 26 is rotatably mounted on the inner side of the throwing roller body 11. The worm gear 26 and the worm gear 27 are meshed together. A connecting shaft 28 is rotatably mounted on the inner side of the throwing roller body 11. One end of the connecting shaft 28 is fixedly connected to the worm gear 27. A first bevel gear 29 is fixedly mounted on the outer side of the connecting shaft 28. A second bevel gear 210 is meshed on the outer side of the first bevel gear 29. A handle 211 is rotatably mounted on one side of the throwing roller body 11. One end of the handle 211 passes through one side of the throwing roller body 11 and is rotatably connected to the throwing roller body 11. The second bevel gear 210 is fixedly mounted on one side of the handle 211. Two fixing blocks 213 are fixedly mounted on both sides of the four feeding plates 13. Eight limiting rods 212 are fixedly mounted on the inner side of the throwing roller body 11. The eight limiting rods 212 pass through sixteen fixing blocks 213 and slide in contact with the sixteen fixing blocks 213 respectively.
[0022] In this embodiment, the four arc-shaped grooves 25 on the rotating disk 22 cooperate with the four fixed columns 24. When the rotating disk 22 rotates, the four fixed columns 24 can slide inside the four arc-shaped grooves 25. Due to the arc design of the four arc-shaped grooves 25, the four fixed columns 24 will move accordingly when sliding, thereby driving the four feeding plates 13 to move accordingly to expand or contract. This allows for length adjustment according to the internal space of the harvester and the raw material conditions, effectively improving the applicability of the throwing roller. The fixed blocks 213 installed on both sides of each feeding plate 13 and the limiting rods 212 penetrating the fixed blocks 213 inside the throwing roller body 11 can effectively limit the movement of the four feeding plates 13, thereby ensuring the stability of the four feeding plates 13 when moving. The worm gear 27 and worm wheel 26 mesh with each other, effectively locking the rotating shaft 21, preventing the rotating shaft 21 from rotating when the throwing roller body 11 rotates, which would cause the feeding plates 13 to move and affect the throwing of materials. Example
[0023] like Figure 1-5 As shown, the feeding structure 3 includes a shovel plate 31. Two placement plates 32 are fixedly installed on one side of the shovel plate 31. Two placement slots 33 are opened on one side of the feeding plate 13. The two placement plates 32 and the two placement slots 33 are adaptively matched. A T-shaped slide groove 34 is formed on one side of each of the two placement slots 33. A return spring 35 is fixedly installed on the inner side of each of the two T-shaped slide grooves 34. A push plate 36 is fixedly installed on one end of each of the two return springs 35. The two push plates 36 pass through both sides of the feeding plate 13 and slide in contact with the feeding plate 13. A stop block 37 is fixedly installed on the top of the push plate 36. A through groove 38 is opened at the bottom of the placement plate 32. A limiting groove 39 is formed on one side of the through groove 38. The width of the through groove 38 is the same as the width of the push plate 36. The width of the limiting groove 39 is the same as the width of the stop block 37.
[0024] In this embodiment, by using two placement plates 32 and two placement slots 33 in cooperation, the two placement plates 32 can be inserted into the two placement slots 33 respectively when installing the shovel plate 31, thereby ensuring the installation position of the shovel plate 31. The width of the push plate 36 is the same as the width of the through slot 38, so that when the placement plate 32 slides into the placement slot 33, the push plate 36 can directly pass through the through slot 38 to effectively place the placement plate 32. The width of the limiting slot 39 is the same as the width of the stop block 37, so that after placement, the stop block 37 can be slid to the position of the limiting slot 39, thereby effectively fixing and installing the placement plate 32 and the shovel plate 31 on one side. The installation is quick and convenient, effectively improving the work efficiency of disassembling and maintaining the shovel plate 31.
[0025] Working principle: like Figure 1-5 As shown, during use, depending on the internal space of the harvester and the condition of the material, turning the throttle 211 drives the second bevel gear 210 to rotate, which in turn drives the first bevel gear 29 to mesh and rotate. This drives the worm gear 27 to rotate via the connecting shaft 28, which in turn drives the worm wheel 26 to mesh and rotate. This causes the rotating shaft 21 to rotate, which in turn drives the rotating disk 22 to rotate. This causes the four fixed columns 24 to slide inside the four arc-shaped sliding grooves 25, which in turn drives the four feeding plates 13 to move accordingly. This allows for length adjustment according to the internal space of the harvester and the condition of the material, effectively improving the applicability of the throwing roller. When the shovel plate 31 wears out after a period of use and needs maintenance and replacement, press the two push plates 36 to move the two stops 37 from the two limiting grooves 39 to the inside of the two T-shaped slide grooves 34, thereby releasing the limiting effect on the placement plate 32. At this time, the shovel plate 31 can be removed from one side of the feeding plate 13 for maintenance and replacement. The operation is simple and convenient. During installation, slide the two placement plates 32 on one side of the shovel plate 31 into the two placement grooves 33 respectively. The through grooves 38 at the bottom of the two placement plates 32 will pass through the push plate 36. Then, through the elastic action of the two return springs 35, the two push plates 36 are moved, so that the two stops 37 are moved to the position of the two limiting grooves 39. This can effectively limit and fix the two placement plates 32 and the shovel plate 31 on one side, thereby completing the installation operation.
[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A novel material-throwing roller for a harvester, characterized in that, include: The material-throwing roller body (11) has mounting shafts (12) fixedly installed at both ends. Four feeding plates (13) are provided on the inner side of the material-throwing roller body (11). An adjustment structure (2) is provided between the four feeding plates (13) and the material-throwing roller body (11). The adjustment structure (2) includes a rotating shaft (21). The rotating shaft (21) is rotatably installed on the inner side of the material-throwing roller body (11). A rotating disk (22) is fixedly installed on the outer side of the rotating shaft (21). Two fixed seats (23) are fixedly installed on one side of each of the four feeding plates (13). A fixed column (24) is fixedly installed between the two fixed seats (23). The rotating disk (22) has four arc-shaped sliding grooves (25). The four fixed columns (24) are respectively located on the inner side of the four arc-shaped sliding grooves (25) and slide in contact with the rotating disk (22). A feeding structure (3) is provided on one side of each of the four feeding plates (13).
2. The novel material-throwing roller for a harvester according to claim 1, characterized in that: A worm gear (26) is fixedly installed on the outer side of the rotating shaft (21), and a worm (27) is rotatably installed on the inner side of the throwing roller body (11). The worm gear (26) and the worm (27) are meshed together.
3. The novel material-throwing roller for a harvester according to claim 1, characterized in that: A connecting shaft (28) is rotatably mounted on the inner side of the material-throwing roller body (11). One end of the connecting shaft (28) is fixedly connected to the worm gear (27). A first bevel gear (29) is fixedly mounted on the outer side of the connecting shaft (28). A second bevel gear (210) is meshed with the outer side of the first bevel gear (29).
4. A novel material-throwing roller for a harvester according to claim 3, characterized in that: A handle (211) is rotatably mounted on one side of the material-throwing roller body (11). One end of the handle (211) passes through one side of the material-throwing roller body (11) and is rotatably connected to the material-throwing roller body (11). The second bevel gear (210) is fixedly mounted on one side of the handle (211).
5. A novel material-throwing roller for a harvester according to claim 1, characterized in that: Two fixing blocks (213) are fixedly installed on both sides of the four feeding plates (13). Eight limiting rods (212) are fixedly installed on the inner side of the throwing roller body (11). The eight limiting rods (212) pass through the sixteen fixing blocks (213) respectively and slide in contact with the sixteen fixing blocks (213).
6. A novel material-throwing roller for a harvester according to claim 1, characterized in that: The feeding structure (3) includes a shovel plate (31), on one side of which two placement plates (32) are fixedly installed, and on one side of the feeding plate (13) two placement slots (33) are opened, and the two placement plates (32) and the two placement slots (33) are adaptively matched.
7. A novel material-throwing roller for a harvester according to claim 6, characterized in that: One side of each of the two placement slots (33) is formed with a T-shaped groove (34), and a return spring (35) is fixedly installed on the inner side of each of the two T-shaped grooves (34). A push plate (36) is fixedly installed on one end of each of the two return springs (35). The two push plates (36) pass through both sides of the feeding plate (13) and slide in contact with the feeding plate (13).
8. A novel material-throwing roller for a harvester according to claim 7, characterized in that: A stop block (37) is fixedly installed on the top of the push plate (36), and a through groove (38) is opened at the bottom of the placement plate (32). A limiting groove (39) is formed on one side of the through groove (38). The width of the through groove (38) is the same as the width of the push plate (36), and the width of the limiting groove (39) is the same as the width of the stop block (37).
