A soybean harvester header anti-winding device
By setting the cutting section of the cleaning component on both sides of the reel to cut the stalks, the problem of stalk entanglement is solved, improving the operating efficiency of the soybean harvester and the protection of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INST OF CEREAL & OIL CROPS HEBEI ACAD OF AGRI & FORESTRY SCI
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-26
AI Technical Summary
During the cutting process of soybean harvesters, the stalks are easily tangled on the drive shafts on both sides of the reel, causing transmission obstruction, affecting work efficiency and damaging the drive motor.
A cleaning assembly is installed between the two sides of the reel and the support plate. The cleaning assembly includes a ring and a cutting part, which cuts the stalks with multiple blades to prevent tangling.
This effectively prevents stalks from getting tangled on the drive shaft, improving harvesting efficiency and protecting the normal operation of the drive motor and reel.
Smart Images

Figure CN224267440U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural machinery technology, and in particular to an anti-winding device for the header of a soybean harvester. Background Technology
[0002] Currently, soybean harvesters operate by using a drive motor to rotate a transmission wheel, which in turn drives a reel via a transmission shaft. The reel guides the crop in front of the header towards the cutter, which then cuts the soybean stalks. However, during the cutting process, some soybean stalks, due to inertia, easily become entangled on the transmission shafts on both sides of the reel. Once entangled, the stalks become increasingly entangled and tighter as the shaft continues to rotate, obstructing its rotation. This not only damages the drive motor but also affects the reel's conveying efficiency. Typically, the operator must stop and manually remove the entangled soybean stalks one by one, a time-consuming process that also reduces harvesting efficiency. Therefore, there is an urgent need for an anti-entanglement device for the soybean harvester header that can effectively prevent soybean stalks from becoming entangled on the transmission shafts on both sides of the reel during soybean harvesting. Utility Model Content
[0003] The purpose of this invention is to provide an anti-winding device for the header of a soybean harvester to solve the problems existing in the prior art.
[0004] To achieve the above objectives, this utility model provides the following solution: This utility model provides an anti-winding device for the header of a soybean harvester, including a header. Support plates are fixedly connected to both sides of the top surface of the header, and a drive shaft is rotatably connected between the two support plates. A reel is mounted on the drive shaft, and the reel is disposed inside the header. Cleaning components for preventing stalks from winding around the drive shaft are respectively provided between the two sides of the reel and the two support plates. The cleaning components include a ring, and a plurality of cutting parts for cutting the stalks are provided on the side of the ring facing the reel.
[0005] Preferably, the cutting part includes a connecting rod, one end of which is fixedly connected to the ring, and the other end of which is fixedly connected to the outer wall of the reel. A blade is fixedly connected to the connecting rod.
[0006] Preferably, the tip of the blade is positioned facing the outer wall of the ring.
[0007] Preferably, the ring is rotatably connected to a sliding groove, which is formed on the support plate.
[0008] Preferably, the ring is sleeved on the drive shaft.
[0009] Preferably, a plurality of ball bearings are rotatably connected to the outer wall of the ring.
[0010] Preferably, one end of the drive shaft is rotatably connected to one of the support plates, and the other end of the drive shaft passes through another support plate and is connected to a drive wheel.
[0011] Preferably, the central axes of the reel, the drive shaft, the drive wheel, and the ring are on the same central axis.
[0012] The present invention discloses the following technical effects:
[0013] This invention features cleaning components installed on both sides of the reel and between two support plates to prevent soybean stalks from getting tangled on the drive shaft. These components have multiple cutting parts that cut the soybean stalks, effectively preventing soybean stalks from getting tangled on the drive shafts on both sides of the reel during soybean harvesting. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a side view of the support plate structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the cleaning component structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the connecting rod structure of this utility model;
[0019] Among them, 1. Cutting table; 2. Reel; 3. Connecting rod; 11. Support plate; 12. Slide groove; 21. Drive shaft; 22. Drive wheel; 31. Ring; 32. Ball bearing; 33. Blade. Detailed Implementation
[0020] The feasible implementations discovered in this field are as follows:
[0021] Chinese Patent Publication No. CN2701244Y discloses a soybean combine harvester. This combine harvester consists of a harvesting platform assembly, a soybean stalk conveying device, and a threshing machine assembly. The reel is mounted on a frame above the front of the harvesting platform assembly via a shaft and bearings. A cutting and contouring device is installed at the front of the harvesting platform. Straw dividers are respectively installed on the frames on both sides in front of the harvesting platform assembly. The front end of the soybean stalk conveying device is connected to the rear of the harvesting platform, and the rear end is connected to the threshing machine assembly. The harvesting platform assembly is mounted on the front frame of a tractor, and the threshing machine assembly is fixed to the frame at the rear of the tractor. A contouring universal wheel is installed on each side of the front of the harvesting platform frame. An anti-stalk entanglement device is installed on the reel. At least one set of straw dividers is added between the straw dividers on both sides of the front of the harvesting platform. A moving screen assembly is installed inside the threshing machine assembly. The device installed on the reel to prevent bean stalks from tangling is made of an arc-shaped plate. One end is fixed to the fixed iron pipe of the reel's spring scale by a U-shaped wire, and the other end is screwed to the spring scale. The moving sieve assembly consists of a drive wheel, a driven wheel, an eccentric wheel, a transmission chain, and strip sieve plates. The drive wheel, driven wheel, and eccentric wheel are supported by shafts and bearings. The transmission chain is movably mounted around the outer circumference of the drive wheel, driven wheel, and eccentric wheel. The strip sieve plates are provided with several sieve holes and are hinged to the transmission chain.
[0022] This patented technology allows the cutting platform to rise and fall with the terrain when the terrain or ridge shape changes suddenly by installing contour-following universal wheels at the front end of the cutting platform frame. When combined with a low-cut contour-following device, it can achieve a more ideal contour-following low-cutting effect, thus solving the problem of contour-following low-cutting for various terrains and ridge shapes.
[0023] This patent describes a device on the reel that prevents bean stalks from getting tangled. The device is an arc-shaped thin plate, with one end fixed to the spring ruler fixing iron pipe of the reel by a U-shaped wire, and the other end screwed to the spring ruler. The direction of the cutter head allows the cut bean stalks to go directly behind the cutter head and into the bean stalk conveying device, thus avoiding them getting tangled on the reel.
[0024] This patented technology adds at least one set of separate feeders between the feeders on both sides of the front end of the harvesting platform. These feeders can lift up the fallen bean stalks in the middle, separate them, and feed them into the harvesting platform for cutting, thereby reducing the rate of missed cutting of bean stalks.
[0025] This patent involves hinged installation of the strip screen plates of the moving screen onto the transmission chain. The strip screen plates move from front to back in a bouncing manner under the drive of the eccentric wheel. The moving screen screens the detached beans and impurities. When the strip screen plates rotate to the bottom of the moving screen, the screen plates hang down along the pin shaft, so the moving screen does not accumulate or get clogged.
[0026] Chinese Patent Publication No. CN109548463A discloses a self-propelled ultra-narrow soybean combine harvester and its usage method. The usage method of this self-propelled ultra-narrow soybean combine harvester includes: the front bucket facing the unharvested soybeans; flexible harvesting achieved by finely adjusting the header height through spring deformation; a screw conveyor, a transmission device, and a toothed roller working together to achieve damage-free threshing of the soybeans; a wind deflector to prevent the driver from being scratched by flying soybean stalks; and a stalk spreading bin for spreading soybean stalks back into the field. The self-propelled ultra-narrow soybean combine harvester is equipped with: an engine; a header movably mounted at the front of the feeder via a hydraulic device, with a reel mounted on the upper front of the header and a cutter mounted on the lower front of the reel; a screw conveyor movably mounted at the rear of the header; a transmission device mounted at the right rear of the screw conveyor; the end of the transmission device connected to a thresher, with a straw spreading port and a grain elevator installed at the end of the thresher, the end of which connected to a grain bin, which is welded to the rear of the machine body.
[0027] The patented self-propelled ultra-narrow soybean combine harvester enables mechanized operation of intercropping systems, providing important support for the large-scale promotion of this model, and can also be used for soybean harvesting using ordinary planting methods.
[0028] 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.
[0029] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0030] Reference Figures 1-4 This utility model discloses an anti-tangling device for the header of a soybean harvester, including a header 1. Support plates 11 are fixedly connected to both sides of the top surface of the header 1. A drive shaft 21 is rotatably connected between the two support plates 11. A reel 2 is mounted on the drive shaft 21 and is disposed inside the header 1. Cleaning components for preventing stalks from tangling on the drive shaft 21 are respectively provided between the reel 2 and the two support plates 11 on both sides of the reel 2. The cleaning components include a ring 31, and multiple cutting sections for cutting the stalks are provided on the side of the ring 31 facing the reel 2. The multiple cutting sections are evenly spaced.
[0031] This invention uses cleaning components, which are respectively set between the two sides of the reel 2 and the two support plates 11, to prevent soybean stalks from getting tangled on the drive shaft. The cleaning components cut the soybean stalks with multiple cutting parts, which can effectively prevent soybean stalks from getting tangled on the drive shafts 21 on both sides of the reel 2 during soybean harvesting.
[0032] The body of the harvester used in this invention for connecting the header adopts existing technology.
[0033] The design is further optimized so that the cutting section includes a connecting rod 3. One end of the connecting rod 3 is fixedly connected to a ring 31, and the other end of the connecting rod 3 is fixedly connected to the outer wall of the reel 2. A blade 33 is fixedly connected to the connecting rod 3. The reel 2 drives multiple connecting rods 3 to rotate, and the connecting rods 3 drive the blades 33 to move, enabling the blades 33 to cut the stalks.
[0034] Multiple connecting rods 3 are evenly spaced, allowing multiple blades 33 to cut the stems sequentially and continuously, cutting the stems into multiple shorter lengths, effectively preventing the soybean stems from getting tangled on the drive shaft 21.
[0035] In a further optimized design, the tip of blade 33 is positioned facing the outer wall of ring 31. By positioning the tip of blade 33 towards the outer wall of ring 31, blade 33 can effectively cut the stem.
[0036] In a further optimized design, the ring 31 is rotatably connected to a groove 12, which is formed on the support plate 11. By installing the ring 31 in the groove 12, the ring 31 can rotate stably within the groove 12.
[0037] In a further optimized design, the ring 31 is fitted onto the drive shaft 21. The ring 31 is fitted onto the drive shaft 21 and connected by a key, enabling the drive shaft 21 to drive the ring 31 to rotate.
[0038] In a further optimized design, multiple balls 32 are rotatably connected to the outer wall of the ring 31. The multiple balls 32 are equally spaced and embedded in the outer wall of the ring 31. By abutting against the inner wall of the groove 12, the ring 31 can rotate stably within the groove 12.
[0039] In a further optimized design, one end of the drive shaft 21 is rotatably connected to a support plate 11, and the other end of the drive shaft 21 passes through another support plate 11 and is connected to a drive wheel 22. The drive wheel 22 drives the drive shaft 21 to rotate, which in turn drives the reel 2 and the ring 31 to rotate. Simultaneously, the ring 31 and the reel 2 rotate synchronously, enabling multiple connecting rods 3 to stably drive the blades 33 to rotate, thus allowing the blades 33 to effectively cut the soybean stalks.
[0040] The transmission wheel 22 is driven to rotate by the drive motor.
[0041] The design was further optimized so that the central axes of the reel 2, drive shaft 21, drive wheel 22, and ring 31 are on the same central axis. This allows the drive wheel 22 to stably drive the reel 2 and ring 31 to rotate via the drive shaft 21.
[0042] Working process: During soybean harvesting, the drive wheel 22 drives the drive shaft 21 to rotate, and the drive shaft 21 drives the reel 2 and the ring 31 to rotate. At the same time, the synchronous rotation of the ring 31 and the reel 2 enables multiple connecting rods 3 to stably drive the blades 33 to rotate. When some soybean stalks move towards the drive shafts on both sides of the reel due to inertia, the blades 33 will cut the soybean stalks that are moving towards the drive shafts on both sides of the reel, cutting the soybean stalks into multiple shorter stalks. Since the shorter stalks cannot be wrapped around the drive shaft 21, the soybean stalks are effectively prevented from getting tangled on the drive shafts on both sides of the reel.
[0043] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0044] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. A soybean harvester header anti-winding device, characterized in that: The device includes a header (1), on which support plates (11) are fixedly connected to both sides of the top surface of the header (1). A drive shaft (21) is rotatably connected between the two support plates (11). A reel (2) is mounted on the drive shaft (21). The reel (2) is located inside the header (1). Cleaning components for preventing stalks from getting tangled on the drive shaft (21) are provided between the two sides of the reel (2) and the two support plates (11). The cleaning assembly includes a ring (31) with a plurality of cutting sections for cutting the stalks on the side facing the reel (2).
2. The anti-winding device for the header of a soybean harvester according to claim 1, characterized in that: The cutting part includes a connecting rod (3), one end of which is fixedly connected to the ring (31), and the other end of which is fixedly connected to the outer wall of the reel (2). A blade (33) is fixedly connected to the connecting rod (3).
3. The anti-winding device for the header of a soybean harvester according to claim 2, characterized in that: The tip of the blade (33) is positioned toward the outer wall of the ring (31).
4. The anti-winding device for the header of a soybean harvester according to claim 1, characterized in that: The ring (31) is rotatably connected to a groove (12), which is formed on the support plate (11).
5. The anti-winding device for the header of a soybean harvester according to claim 1, characterized in that: The ring (31) is sleeved on the transmission shaft (21).
6. The anti-winding device for the header of a soybean harvester according to claim 1, characterized in that: Multiple balls (32) are rotatably connected to the outer wall of the ring (31).
7. The anti-winding device for the header of a soybean harvester according to claim 1, characterized in that: One end of the drive shaft (21) is rotatably connected to one of the support plates (11), and the other end of the drive shaft (21) is connected to a drive wheel (22) through another support plate (11).
8. The anti-winding device for the header of a soybean harvester according to claim 7, characterized in that: The central axes of the reel (2), the drive shaft (21), the drive wheel (22), and the ring (31) are on the same central axis.