A silage harvester with a splash guard

By introducing fish-scale stacked baffles and an adjustable discharge port structure into the silage harvester, the problems of unstable discharge and material splashing have been solved, improving operating efficiency and equipment durability, and reducing maintenance difficulty and cost.

CN224439719UActive Publication Date: 2026-07-03刘康康

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
刘康康
Filing Date
2025-06-10
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional silage harvesters have unstable output, serious material splashing, and are inconvenient to maintain, which affects operating efficiency and equipment durability.

Method used

It adopts a fish-scale stacked baffle and an adjustable discharge port structure, combined with wear-resistant gears and high-strength support rods, along with magnetic connection and modular design, to achieve precise control of discharge flow and intercept splashed materials.

Benefits of technology

It achieves continuous and stable silage harvesting operations, reduces material waste and equipment pollution, lowers maintenance difficulty and cost, and improves equipment durability and operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a silage harvester with an anti-splash structure, including a silage harvester discharge frame. The discharge frame has a discharge port, and a fish-scale-like stacked baffle is arranged opposite the discharge port. A material passage cylinder is connected to one side of the discharge frame, and the material passage cylinder is connected to the silage harvester harvesting frame via a connecting plate. An installation plate is provided on the discharge frame, and a discharge port is located at the bottom of the discharge frame. A lower adjustment plate and an upper adjustment plate are provided at the discharge port. The lower adjustment plate is movably connected to the discharge frame via a lower rotating shaft. A driven gear one meshes with a driving gear one, and a driven gear two meshes with a driving gear two. This utility model solves the problems of unstable discharge flow, easy material splashing, and insufficient structural durability and maintainability of traditional silage harvesters by using a biomimetic fish-scale-like multi-layered baffle and an automatic discharge port adjustment device.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to a silage harvester with an anti-splash structure. Background Technology

[0002] Traditional silage harvesters have significant shortcomings in silage harvesting operations. Firstly, the discharge port lacks a precise flow control device. When the yield and moisture content of the silage material change, excessive flow can clog the equipment, while insufficient flow can affect harvesting efficiency. This makes them unsuitable for different operating conditions, disrupting the continuity of operations. Secondly, splashing during material discharge is a prominent issue. Existing protective structures are mostly simple baffles, which are insufficient to effectively intercept materials from different angles and impact forces. This not only wastes silage material but also pollutes the surrounding environment, increasing subsequent cleanup workload. Furthermore, key transmission components (such as gears) are prone to wear due to frequent operation and material impact. The disassembly and maintenance of protective structures such as baffles are cumbersome, reducing the overall durability and ease of maintenance, increasing operating costs, and hindering the efficient and stable operation of silage harvesting. Therefore, improvements to the discharge flow control, splash prevention, and structural durability and maintainability of silage harvesters are urgently needed. Utility Model Content

[0003] The purpose of this invention is to provide a silage harvester with an anti-splash structure to solve the problems of unstable output, material splashing, and inconvenient maintenance of traditional harvesters mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a silage harvester with an anti-splash structure, comprising a silage harvester discharge frame, a discharge port on the discharge frame, a fish-scale stacked baffle curtain on the opposite side of the discharge port, a material passage cylinder connected to one side of the silage harvester discharge frame, the material passage cylinder being connected to the silage harvester harvesting frame via a connecting plate, an mounting plate on the silage harvester discharge frame, a discharge port at the bottom of the silage harvester discharge frame, a lower adjusting plate and an upper adjusting plate at the discharge port, the lower adjusting plate being connected to the silage harvester via a lower rotating shaft. The discharge rack is movably connected. The upper adjusting plate is movably connected to the discharge rack of the silage harvester via an upper rotating shaft. One side of the lower adjusting plate is connected to a lower fixed rod, and one side of the upper adjusting plate is connected to an upper fixed rod. A driven gear one is provided on the lower fixed rod, which meshes with a driving gear one. The driving gear one and a DC motor one drive in the same driving direction. A driven gear two is provided on the upper fixed rod, which meshes with a driving gear two. The driving gear two and a DC motor two drive in the same driving direction. The lower adjusting plate and the upper adjusting plate are connected by support rod one and support rod two.

[0005] As a preferred technical solution of this utility model, the fish-scale stacked curtain is installed on the mounting plate by side mounting strips and connecting strips. The fish-scale stacked curtain is arranged with each layer inclined and staggered, and the fish-scale stacked curtain is connected to the mounting plate by multiple elastic mounting brackets. The multiple elastic mounting brackets are frame structures with elastic deformation capabilities. The layers of the fish-scale stacked curtain are connected by female positive magnetic attraction blocks and female negative magnetic attraction blocks. The female positive magnetic attraction block is located on one side of one layer of curtain, and the female negative magnetic attraction block is correspondingly located on the other side of the adjacent layer of curtain.

[0006] As a preferred technical solution of this utility model, gap strips are provided between adjacent curtain layers of the fish-scale stacked curtain. Multiple gap strips are connected to the fish-scale stacked curtain through connecting arc tubes. The multiple gap strips block the gaps between adjacent curtain layers of the fish-scale stacked curtain. The multiple connecting arc tubes are tubular connecting structures with a certain curvature and elasticity.

[0007] As a preferred technical solution of this utility model, both the lower adjustment plate and the upper adjustment plate are provided with a support rod, and a limiting plate is connected to both support rods. The limiting plate is connected to the lower adjustment plate and the upper adjustment plate through a connecting flexible plate, which is a flexible and deformable plate.

[0008] As a preferred technical solution of this utility model, the two ends of the first support rod and the second support rod are respectively movably hinged to the lower adjustment plate and the upper adjustment plate, and both the first support rod and the second support rod are made of high-strength alloy material.

[0009] As a preferred technical solution of this utility model, the first driving gear, the first driven gear, the second driving gear, and the second driven gear are all made of wear-resistant gear material, and the outer side of the gears is provided with a protective coating, which is a metal-ceramic coating.

[0010] As a preferred embodiment of this utility model, both the DC motor 1 and the DC motor 2 are installed inside the mounting cover. The two mounting covers are respectively fixed on both sides of the discharge frame of the silage harvester, and the mounting covers are provided with heat dissipation holes.

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

[0012] The adjustable discharge port mechanism precisely adapts to changes in silage material yield and moisture content, stably controls the discharge flow rate, and avoids blockages or poor discharge. The biomimetic fish scale-like stacked curtain, combined with the gap shielding structure, intercepts and buffers the discharged material in multiple layers, greatly reducing splashing. The two work together to ensure continuous and stable silage harvesting operations, which not only improves harvesting efficiency but also avoids material waste, pollution of equipment and the surrounding environment, ensures a clean work site, and reduces cleaning costs.

[0013] By using key components such as wear-resistant gears and high-strength struts, along with protective coatings and flexible connection structures, the equipment's wear and impact resistance is enhanced, reducing downtime due to malfunctions. The magnetic curtain connection and modular adjustment mechanism design make component disassembly and cleaning convenient, reducing maintenance difficulty and time costs. Attached Figure Description

[0014] Figure 1 This is a front-view perspective view of the present invention;

[0015] Figure 2 This is a schematic diagram of the left side of this utility model;

[0016] Figure 3 This is a schematic diagram of the right side view of this utility model;

[0017] Figure 4 This is a schematic diagram of the upper structure of the discharge frame of the silage harvester of this utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure between the lower adjusting plate and the upper adjusting plate of this utility model;

[0019] Figure 6 This is a schematic diagram illustrating the structure of the fish-scale stacked curtain of this utility model.

[0020] In the diagram: 1. Silage harvester discharge frame; 2. Feeding cylinder; 3. Connecting plate; 4. Silage harvester harvesting frame; 5. Mounting plate; 6. Discharge port; 7. Lower adjusting plate; 8. Upper adjusting plate; 9. Lower rotating shaft; 10. Upper rotating shaft; 11. Lower fixing rod; 12. Upper fixing rod; 13. Driven gear one; 14. Driven gear one; 15. DC motor one; 16. Support rod one; 17. Support rod two; 18. Driven gear two; 19. DC motor two; 20. Driven gear two; 21. Frame rod; 22. Limiting plate; 23. Connecting flexible plate; 24. Fish scale stacked baffle; 25. Side mounting strip; 26. Connecting strip; 27. Elastic mounting frame strip; 28. Gap stop strip; 29. ​​Connecting arc tube; 30. Female buckle positive magnetic block; 31. Female buckle negative magnetic block; 32. Mounting cover. Detailed Implementation

[0021] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0022] Please see Figure 1-6This utility model provides a silage harvester with an anti-splash structure, including a silage harvester discharge frame 1, a discharge port 6 on the discharge frame 1, a fish-scale stacked baffle 24 on the opposite side of the discharge port 6, a feed tube 2 connected to one side of the discharge frame 1, the feed tube 2 being connected to the silage harvester harvesting frame 4 via a connecting plate 3, an mounting plate 5 on the discharge frame 1, and a discharge port 6 at the bottom of the discharge frame 1. A lower adjusting plate 7 and an upper adjusting plate 8 are provided at the discharge port 6. The lower adjusting plate 7 is movably connected to the discharge frame 1 via a lower rotating shaft 9, and the upper adjusting plate 8 is connected via a lower rotating shaft 9. The upper rotating shaft 10 is movably connected to the discharge frame 1 of the silage harvester. The lower adjusting plate 7 is connected to the lower fixed rod 11 on one side, and the upper adjusting plate 8 is connected to the upper fixed rod 12 on one side. The lower fixed rod 11 is equipped with a driven gear 13, which meshes with the driving gear 14. The driving gear 14 and the DC motor 15 drive in the same driving direction. The upper fixed rod 12 is equipped with a driven gear 20, which meshes with the driving gear 28. The driving gear 28 and the DC motor 29 drive in the same driving direction. The lower adjusting plate 7 and the upper adjusting plate 8 are connected by a support rod 16 and a support rod 27.

[0023] When the silage harvester is operating, the silage material collected by the harvester frame 4 is transported to the discharge frame 1 of the silage harvester through the feed cylinder 2. When it is necessary to adjust the diameter of the discharge port 6, the DC motor 15 operates, driving the drive gear 14 to rotate. Since the drive gear 14 meshes with the driven gear 13, the driven gear 13 rotates with it, which in turn causes the lower fixed rod 11 to rotate, and the lower adjusting plate 7 swings around the lower rotating shaft 9. At the same time, the DC motor 19 operates, driving the drive gear 18 to rotate, and the driven gear 20 meshes with it and rotates, causing the upper fixed rod 12 to rotate, and the upper adjusting plate 8 to swing around the upper rotating shaft 10. The two ends of support rod 16 and support rod 217 are movably hinged to the lower adjusting plate 7 and the upper adjusting plate 8, respectively. During the swinging process of the two adjusting plates, they play a role in linkage support and assist in adjusting the opening and closing degree of the discharge port 6, so as to adapt to the discharge requirements of silage materials with different flow rates. Meanwhile, the fish scale stacked baffle curtain 24 is arranged in the opposite direction of the discharge port 6. When the material is discharged, the multi-layered inclined and staggered flexible baffle curtain can intercept and buffer the splashed material and guide the material to fall in an orderly manner.

[0024] The fish-scale stacked curtain 24 is installed on the mounting plate 5 via side mounting strips 25 and connecting strips 26. The fish-scale stacked curtain 24 is arranged with each layer inclined and staggered, and is connected to the mounting plate 5 by multiple elastic mounting brackets 27. These elastic mounting brackets 27 are frame structures with elastic deformation capabilities. The layers of the fish-scale stacked curtain 24 are connected by female positive magnetic blocks 30 and female negative magnetic blocks 31. The female positive magnetic blocks 30 are located on one side of one layer of curtain, and the female negative magnetic blocks 31 are located on the opposite side of the adjacent layer. During installation, the fish-scale stacked curtain 24 is assembled with the mounting plate 5 using the side mounting strips 25 and connecting strips 26. Because of their elastic deformation capability, the elastic mounting brackets 27 can buffer the impact force when silage material impacts the curtain, allowing the curtain to deform slightly after being subjected to force, thus avoiding damage from rigid collisions. The multi-layered curtains are tilted and staggered, mimicking the shape of fish scales. When materials come into contact with the curtains, they are blocked and guided layer by layer. The layers are connected by a female positive magnetic block 30 and a female negative magnetic block 31. During installation, opposite magnetic poles attract each other, quickly achieving interlayer connection and initial fixation. If cleaning or replacement of the curtains is required, external force can be applied to separate the magnetic blocks, making disassembly and assembly convenient.

[0025] The fish-scale stacked baffle curtain 24 has gap-blocking strips 28 between adjacent baffle layers. Multiple gap-blocking strips 28 are connected to the fish-scale stacked baffle curtain 24 through connecting arc tubes 29. The multiple gap-blocking strips 28 block the gaps between adjacent baffle layers of the fish-scale stacked baffle curtain 24. The multiple connecting arc tubes 29 are tubular connecting structures with a certain curvature and elasticity. When silage material impacts the fish-scale stacked baffle curtain 24, the gap-blocking strips 28 between adjacent baffle layers can block the gaps between the layers. Because the connecting arc tubes 29 have curvature and elasticity, when the baffle curtain is deformed by the impact of the material, it can swing and deform synchronously with the baffle layers, always maintaining effective blocking of the gaps and preventing material from splashing out from the gaps between the layers, making the baffle curtain's anti-splash interception more comprehensive.

[0026] Both the lower adjusting plate 7 and the upper adjusting plate 8 are equipped with support rods 21, and each support rod 21 is connected to a limiting plate 22. The limiting plate 22 is connected to the lower adjusting plate 7 and the upper adjusting plate 8 via a connecting flexible plate 23, which is a flexible and deformable plate. When the silage material is discharged from the discharge port 6 and comes into contact with the lower adjusting plate 7 and the upper adjusting plate 8, the limiting plate 22 on the support rod 21 provides initial limiting for the material, guiding it to gather and discharge towards the center of the discharge port 6, preventing the material from deviating excessively to one side and increasing the risk of collision and splashing with structures such as the baffle. The connecting flexible plate 23 is a flexible and deformable plate. When the lower adjusting plate 7 and the upper adjusting plate 8 swing around the axis to adjust the diameter of the discharge port 6, the connecting flexible plate 23 can deform with the adjusting plate without hindering the adjustment action, while continuously maintaining the connection between the limiting plate 22 and the adjusting plate, ensuring the stability of the limiting function.

[0027] Both support rod 16 and support rod 27 are hinged at both ends to the lower adjusting plate 7 and the upper adjusting plate 8, respectively. Both support rod 16 and support rod 27 are made of high-strength alloy material. During the adjustment of the discharge port 6 diameter, when the lower adjusting plate 7 rotates around the lower pivot 9, or the upper adjusting plate 8 rotates around the upper pivot 10, the support rods swing accordingly. Through the support and linkage of their own structure, they assist the two adjusting plates in stabilizing the adjustment angle and transmitting the adjustment force, making the opening and closing of the discharge port 6 smoother. The high-strength alloy material gives the support rods sufficient strength, making them less prone to deformation and damage under frequent adjustment actions and material pressure and impact, ensuring the long-term reliable operation of the adjustment mechanism.

[0028] The driving gear 14, driven gear 13, driving gear 2 18, and driven gear 2 20 are all made of wear-resistant gear material, and the outer side of the gears is covered with a protective coating, which is a metal-ceramic coating. DC motor 15 drives driving gear 14 to rotate, and driving gear 14 meshes with driven gear 13, driving the lower fixed rod 11 and the lower adjusting plate 7 to move. DC motor 2 19 drives driving gear 2 18 to rotate, meshing with driven gear 2 20, driving the upper fixed rod 12 and the upper adjusting plate 8 to move. The wear-resistant gear material and metal-ceramic protective coating reduce tooth surface wear and corrosion during frequent meshing, minimizing problems such as decreased transmission accuracy and power transmission loss caused by gear wear, thus ensuring gear transmission efficiency and stability.

[0029] Both DC motor 15 and DC motor 2 19 are installed inside mounting covers 32. The two mounting covers 32 are fixed to both sides of the discharge frame 1 of the silage harvester, and each mounting cover 32 has heat dissipation holes. When DC motors 15 and 2 19 are operating, they generate heat. The mounting covers 32 protect the motors, preventing external dust and debris from entering and affecting their normal operation. Simultaneously, the heat dissipation holes on the mounting covers 32 allow the heat generated by the motors to dissipate to the outside through air convection, maintaining the motors at a suitable operating temperature, ensuring stable drive of the gear transmission, and thus ensuring the reliable operation of the discharge port 6 adjustment mechanism.

[0030] In this invention, during the operation of the silage harvester, the harvesting frame 4 collects the silage material and conveys it to the discharge frame 1 via the material conveying cylinder 2. At the discharge port 6, DC motor 15 and DC motor 29 drive the driving gear 14 and driving gear 28 to rotate, respectively. Through meshing with driven gear 13 and driven gear 20, they drive the lower fixed rod 11 and upper fixed rod 12 to rotate, causing the lower adjusting plate 7 to swing around the lower rotating shaft 9 and the upper adjusting plate 8 around the upper rotating shaft 10. Support rod 16 and support rod 27 assist in adjusting the diameter of the discharge port 6 to adapt to the material flow rate. When the material is discharged, the fish-scale stacked baffle 24 uses a multi-layered inclined and interlaced flexible structure, in conjunction with the gap baffle 28 and the elastic mounting frame 27, to intercept and buffer splashed material; the limiting plate 22 guides the material to be discharged in an orderly manner, and the connecting flexible plate 23 adapts to the movement of the adjusting plate. Meanwhile, the 32-inch cover protects the motor and provides heat dissipation, while wear-resistant gears ensure stable transmission. All structures work together to control the flow and prevent splashing during silage harvesting, making the operation efficient, stable, and environmentally friendly.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A silage harvester with a splash guard structure, comprising a silage harvester discharge frame (1), characterized in that: The silage harvester discharge frame (1) is provided with a discharge port (6), and a fish-scale stacked baffle (24) is provided in the opposite direction of the discharge port (6). A material passage cylinder (2) is connected to one side of the silage harvester discharge frame (1), and the material passage cylinder (2) is connected to the silage harvester harvesting frame (4) through a connecting plate (3). An installation plate (5) is provided on the silage harvester discharge frame (1). The discharge port (6) is provided at the bottom of the silage harvester discharge frame (1). A lower adjusting plate (7) and an upper adjusting plate (8) are provided at the discharge port (6). The lower adjusting plate (7) is movably connected to the silage harvester discharge frame (1) through a lower rotating shaft (9), and the upper adjusting plate (8) is connected to the silage harvester discharge frame (1) through an upper rotating shaft (10). The lower adjusting plate (7) is connected to a lower fixed rod (11) on one side, and the upper adjusting plate (8) is connected to an upper fixed rod (12) on one side. A driven gear (13) is provided on the lower fixed rod (11). The driven gear (13) meshes with the driving gear (14). The driving gear (14) and the DC motor (15) drive in the same driving direction. A driven gear (20) is provided on the upper fixed rod (12). The driven gear (20) meshes with the driving gear (18). The driving gear (18) and the DC motor (19) drive in the same driving direction. The lower adjusting plate (7) and the upper adjusting plate (8) are connected by a support rod (16) and a support rod (17).

2. A silage harvester with a fly-away prevention structure according to claim 1, characterized in that: The fish-scale stacked curtain (24) is installed on the mounting plate (5) by side mounting strips (25) and connecting strips (26). The fish-scale stacked curtain (24) is arranged in an inclined and staggered manner for each layer, and the fish-scale stacked curtain (24) and the mounting plate (5) are connected by multiple elastic mounting brackets (27). The multiple elastic mounting brackets (27) are frame structures with elastic deformation capabilities. The layers of the fish-scale stacked curtain (24) are connected by a female positive magnetic absorbing block (30) and a female negative magnetic absorbing block (31). The female positive magnetic absorbing block (30) is set on one side of one layer of curtain, and the female negative magnetic absorbing block (31) is set on the other side of the adjacent layer of curtain.

3. The silage harvester with a fly-away prevention structure according to claim 1, characterized in that: The fish-scale stacked curtain (24) has gap strips (28) between adjacent curtain layers. Multiple gap strips (28) are connected to the fish-scale stacked curtain (24) through connecting arc tubes (29). Multiple gap strips (28) block the gaps between adjacent curtain layers of the fish-scale stacked curtain (24). Multiple connecting arc tubes (29) are tubular connecting structures with a certain curvature and elasticity.

4. A silage harvester with an anti-splash structure according to claim 1, characterized in that: Both the lower adjustment plate (7) and the upper adjustment plate (8) are provided with support rods (21), and both support rods (21) are connected to limiting plates (22). The limiting plates (22) are connected to the lower adjustment plate (7) and the upper adjustment plate (8) through a connecting flexible plate (23), which is a flexible and deformable plate.

5. The silage harvester with a fly-away prevention structure according to claim 1, characterized in that: The first support rod (16) and the second support rod (17) are hinged to the lower adjustment plate (7) and the upper adjustment plate (8) respectively. Both the first support rod (16) and the second support rod (17) are made of high-strength alloy material.

6. The silage harvester with a fly-away prevention structure according to claim 1, characterized in that: The first driving gear (14), the first driven gear (13), the second driving gear (18), and the second driven gear (20) are all made of wear-resistant gear material, and the outer side of the gears is provided with a protective coating, which is a metal-ceramic coating.

7. A silage harvester with an anti-splash structure according to claim 1, characterized in that: The DC motor one (15) and DC motor two (19) are both installed inside the mounting cover (32). The two mounting covers (32) are fixed on both sides of the discharge rack (1) of the silage harvester, and the mounting cover (32) is provided with heat dissipation holes.