Seeder speed adjusting mechanism and delta-shaped seeder

By introducing movable adjustment components and torsion spring adjustment mechanisms into the seeder, the problem of time-consuming and laborious speed adjustment of existing seeders is solved, realizing convenient speed adjustment and simple operation of the seeder, adapting to the needs of different arable lands and sown materials.

CN223968281UActive Publication Date: 2026-03-06SHANDONG AGRI HARVEST AGRI EQUIP CO LTD
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Patent Information

Application Number
CN202520309497.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Adjusting the speed regulation structure of the power wheel transmission component of existing seeders is time-consuming and labor-intensive, requiring the disassembly of the transmission component or tensioning component to adjust the speed, resulting in high costs and inconvenience in operation.

Method used

An adjustment mechanism that uses a movable adjustment component connected to a resisting elastic element (such as a torsion spring) allows the adjustment component to move closer to the tension shaft by external force, thereby loosening the speed regulating transmission component and conveniently adjusting its position on the first and second speed regulating wheels to change the output speed of the main drive shaft.

Benefits of technology

It achieves convenient speed adjustment and simple operation of the seeder, saving time and labor, adapting to the needs of different arable lands and sown materials, and reducing speed adjustment costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a seeder speed adjusting mechanism and a delta-shaped seeder, and belongs to the field of agricultural machinery. A seeding machine speed adjusting mechanism is connected with a fertilizing assembly and a seeding assembly and used for adjusting the fertilizing amount of the fertilizing assembly and the seeding amount of the seeding assembly in a seeding machine. Comprising a first speed adjusting wheel, a second speed adjusting wheel, a tensioning shaft, a speed adjusting transmission part and a movable adjusting assembly. The first speed regulating wheel, the second speed regulating wheel, the tensioning shaft and the regulating assembly are sequentially connected through the speed regulating transmission part. The first speed regulating wheel is connected with the main transmission shaft; and when external force is applied to the adjusting assembly, the adjusting assembly can move in the direction close to the tensioning shaft, so that the speed adjusting transmission piece is loosened. By arranging the movable adjusting assembly, when external force is applied to the adjusting assembly, the adjusting assembly can move in the direction close to the tensioning shaft, so that the speed adjusting transmission part is loosened, the positions, matched on the first speed adjusting wheel and the second speed adjusting wheel, of the speed adjusting transmission part are adjusted, and therefore speed adjusting is conducted, and the process is convenient and fast.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and more specifically, to a seeder speed adjustment mechanism and a triangular seeder. Background Technology

[0002] The function of a triangular seeder (seeder) is to evenly sow crop seeds into furrows of a certain depth at a specific seed rate or plant spacing, cover them with an appropriate amount of fine, moist soil, and compact them appropriately, providing favorable conditions for seed germination to achieve high and stable yields, improve labor productivity in sowing operations, and reduce the labor intensity of users. Existing seeders mainly consist of a main frame, wheels, furrowing device, seed metering device, transmission mechanism, soil covering and compaction device, and fertilization mechanism.

[0003] Current seeders use drive wheels, which transmit power to the fertilization and seeding devices via a transmission mechanism. The required fertilization and seeding rates often differ depending on the type of land or crop being sown. Replacing the seeder with a different one for each type would be too costly. Typically, a similar seeder is used, with the output speed of the drive wheels adjusted via a transmission speed control mechanism. However, adjusting the speed of the existing drive wheel transmission speed control is time-consuming and labor-intensive, requiring disassembly of the transmission components or tensioning parts. Utility Model Content

[0004] This utility model provides a seeder speed adjustment mechanism and a triangular seeder. The adjustment mechanism in this solution is more convenient and simple to operate when adjusting the speed.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] A seeder speed adjustment mechanism, connected to a fertilization component and a seeding component, is used to adjust the fertilization rate of the fertilization component and the seeding rate of the seeding component in the seeder.

[0007] It includes a first speed regulating wheel, a second speed regulating wheel, a tensioning shaft, a speed regulating transmission component, and a movable adjustment component; the first speed regulating wheel, the second speed regulating wheel, the tensioning shaft, and the adjustment component are sequentially connected through the speed regulating transmission component; the first speed regulating wheel is connected to the main drive shaft; and the adjustment component can move toward the tensioning shaft when an external force is applied, thereby loosening the speed regulating transmission component.

[0008] As a further improvement, one end of the adjustment assembly is connected to the adjustment shaft, and both ends of the adjustment shaft are respectively connected to the fixed plate;

[0009] Furthermore, the adjustment component and the adjustment shaft, or the adjustment shaft and the fixed plate, are movably connected.

[0010] As a further improvement, at least one resistive elastic element is connected to the adjusting shaft, with one end of the resistive elastic element connected to the adjusting assembly and the other end connected to the fixing plate.

[0011] As a further improvement, the resisting elastic element is a torsion spring.

[0012] As a further improvement, the adjusting component is connected to an adjusting pin, and the fixing plate has several adjusting holes. When the adjusting pin is connected to different adjusting holes, the adjusting component can be moved to different positions.

[0013] As a further improvement, the adjusting assembly includes an adjusting rod at one end, a rotatable adjusting wheel connected to the adjusting rod, and the speed regulating transmission element directly connected to the adjusting wheel.

[0014] As a further improvement, the adjustment assembly also includes adjustment brackets connected to both ends of the adjustment rod, with the other end of the adjustment bracket connected to the adjustment shaft.

[0015] As a further improvement, the adjusting bracket is L-shaped, and the end of the adjusting bracket near the adjusting rod is bent toward the direction of the tensioning shaft.

[0016] As a further improvement, the adjustment assembly also includes a pressing part, the two ends of which are connected to the adjustment bracket.

[0017] This utility model also provides a triangular seeder, including the seeder speed adjustment mechanism, and further including a fertilizer component, a seeding component and a power wheel. The power wheel is connected to the adjustment mechanism through a main drive shaft. The adjustment mechanism is driven to the fertilizer component, and the fertilizer component is driven to the seeding component.

[0018] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0019] (1) The seeder speed adjustment mechanism of this utility model has a movable adjustment component. When an external force is applied, the adjustment component can move toward the direction close to the tension shaft, so that the speed adjustment transmission component is loosened, thereby adjusting the position of the speed adjustment transmission component on the first speed adjustment wheel and the second speed adjustment wheel, thereby changing the output speed of the main drive shaft. The speed adjustment process is convenient and simple to operate.

[0020] (2) In the seeder speed adjustment mechanism of this utility model, one end of the adjustment component is connected to the adjustment shaft, and a resisting elastic element is connected to the adjustment shaft. The torque of the torsion spring is opposite to the tensioning direction of the tensioning shaft on the speed adjustment transmission component. Applying an external force to the adjustment component to overcome the torque of the torsion spring causes the adjustment component to move closer to the tensioning shaft, thereby loosening the speed adjustment transmission component. In addition, the resisting elastic element is a torsion spring, and the torque of the torsion spring can also tension the speed adjustment transmission component in real time.

[0021] (3) The speed adjustment mechanism of the seeder of this utility model also includes a pressing part, which facilitates the application of force on the adjustment component.

[0022] (4) The triangular seeder of this utility model uses the seeder speed adjustment mechanism to adjust the speed, and has the same effect as the speed adjustment mechanism.

[0023] The speed adjustment mechanism of the seeder and the triangular seeder of this utility model, as well as other technical problems that can be solved, other technical features contained in the technical solution, and the advantages brought by these technical features, will be further explained in detail with reference to the accompanying drawings. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of a triangular-shaped seeder.

[0025] Figure 2 This is a schematic diagram of the power transmission path of a seeder;

[0026] Figure 3 This is a schematic diagram of the seeding speed adjustment mechanism of a seeder;

[0027] Figure 4 This is a front view of the seeding speed adjustment mechanism of a seeder.

[0028] Label Explanation:

[0029] 1. Fertilizer applicator; 2. Seeding applicator; 3. Power wheel; 31. Main drive shaft; 32. Seeding drive shaft; 33. Fertilizer drive shaft; 301. First drive shaft; 302. Second drive shaft; 303. Tensioning shaft; 304. Adjusting shaft; 305. Main drive component; 306. Fertilizer drive component; 307. Speed ​​regulating drive component; 308. First speed regulating wheel; 309. Second speed regulating wheel; 310. Resisting elastic component; 4. Main support; 5. Adjustment component; 501. Pressing part; 502. Adjusting rod; 503. Adjusting wheel; 504. Adjusting support; 505. Adjusting pin; 6. Fixing plate; 61. Adjusting hole. Detailed Implementation

[0030] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments.

[0031] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0032] Furthermore, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" used in this specification are merely for clarity of description and are not intended to limit the scope of implementation. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this utility model. In addition to indicating orientation or positional relationships, some of the aforementioned terms may also have other meanings. For example, the term "upper" may, in certain circumstances, indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate for the embodiments of this application described herein.

[0034] Combination Figure 1 As shown, this embodiment provides a triangular seeder, including a fertilizer application component 1, a seeding component 2, and a power wheel 3. The fertilizer application component 1, the seeding component 2, and the power wheel 3 are all connected to a main support 4, which provides support for the fertilizer application component 1, the seeding component 2, and the power wheel 3.

[0035] The drive wheel 3 is connected to the main drive shaft 31, which in turn is connected to the fertilizer drive shaft 33, which is then connected to the sowing drive shaft 32. During the sowing process, the drive wheel 3 rolls on the ground. As it rolls, power is transmitted through the main drive shaft 31 to the fertilizer drive shaft 33, causing the fertilizer application component 1 to begin fertilizing. Simultaneously, the fertilizer drive shaft 33 drives the sowing drive shaft 32, causing the sowing component 2 to begin sowing. This allows for simultaneous sowing and fertilization, achieving integrated operation of the seeder.

[0036] It should be noted that in this design, the transmission connections between the main drive shaft 31 and the fertilizer drive shaft 33, as well as between the fertilizer drive shaft 33 and the sowing drive shaft 32, are all made using flexible transmission components. Flexible transmission components are common types of transmission components, possessing flexibility or adaptability, such as drive belts or drive chains. This design uses a drive chain as an example. Of course, to achieve mutual cooperation, gears can be installed at appropriate positions on the main drive shaft 31, fertilizer drive shaft 33, and sowing drive shaft 32 for connection with the drive chain.

[0037] In this solution, all other connections between the drive shaft and the drive chain involve setting gears on the corresponding drive shaft to connect with the transmission components.

[0038] The solution provides a triangular seeder that integrates sowing and fertilization. When sowing different types of arable land or different types of seeds, the required amount of fertilizer and seeding will often be different. Therefore, it is necessary to set up a speed adjustment mechanism so that the sowing and fertilization speeds can be easily adjusted.

[0039] Therefore, this utility model also provides a seeder speed adjustment mechanism. The power wheel 3 is connected to the speed adjustment mechanism via the main drive shaft 31. The speed adjustment mechanism is driven by the fertilizer application component 1, and the fertilizer application component 1 is driven by the seeding component 2. Specifically, the speed adjustment mechanism is driven by the fertilizer application drive shaft 33 that drives the fertilizer application component 1, and the fertilizer application drive shaft 33 is also driven by the seeding drive shaft 32. When the speed adjustment mechanism is adjusted, it can simultaneously change the output speed of the fertilizer application drive shaft 33 and the seeding drive shaft 32, thereby changing the fertilization and seeding speed of the fertilizer application component 1 and the seeding component 2 to meet the needs of different arable land and seeds.

[0040] Combination Figure 2-4 As shown, this embodiment provides a seeder speed adjustment mechanism connected to the fertilization component 1 and the sowing component 2, used to adjust the fertilization amount of the fertilization component 1 and the sowing amount of the sowing component 2 in the seeder. The adjustment mechanism includes a first speed-regulating wheel 308, a second speed-regulating wheel 309, a tensioning shaft 303, a speed-regulating transmission component 307, and a movable adjustment component 5. The first speed-regulating wheel 308, the second speed-regulating wheel 309, the tensioning shaft 303, and the adjustment component 5 are sequentially connected via the speed-regulating transmission component 307; the first speed-regulating wheel 308 is connected to the main drive shaft 31; and when an external force is applied, the adjustment component 5 can move towards the tensioning shaft 303, causing the speed-regulating transmission component 307 to loosen, thereby adjusting the position of the speed-regulating transmission component 307 on the first speed-regulating wheel 308 and the second speed-regulating wheel 309, thus changing the output speed of the main drive shaft 31. The speed adjustment process is convenient and simple to operate.

[0041] like Figure 2As shown, the speed regulating transmission component 307 is connected around the first speed regulating wheel 308, the second speed regulating wheel 309, the tensioning shaft 303, and the adjusting component 5. The first speed regulating wheel 308 is connected to the main drive shaft 31, the second speed regulating wheel 309 is connected to the fertilization drive shaft 33, and the fertilization drive shaft 33 is connected to the sowing drive shaft 32. The first speed regulating wheel 308 includes gears of different diameters, and similarly, the second speed regulating wheel 309 includes gears of different diameters. When the speed regulating transmission component 307 is engaged with the different gears on the first and second speed regulating wheels 308 and 309, the rotational speeds output by the main drive shaft 31 via the first and second speed regulating wheels 308 and 309 are different, thereby changing the rotational speeds of the fertilization drive shaft 33 and the sowing drive shaft 32, and thus adjusting the sowing and fertilization rates.

[0042] However, under normal operating conditions, in order to ensure smooth operation of the speed regulating transmission component 307, it is usually in a tensioned state. In this state, the speed regulating transmission component 307 is tightly connected with the first speed regulating wheel 308 and the second speed regulating wheel 309, making it inconvenient to change the connection position of the speed regulating transmission component 307 during speed adjustment. In this solution, by moving or rotating the adjusting component 5 towards the tensioning shaft 303, the speed regulating transmission component 307 is loosened, thereby making it very convenient to adjust the position of the speed regulating transmission component 307 on the first speed regulating wheel 308 and the second speed regulating wheel 309. The whole process is convenient, time-saving, and labor-saving.

[0043] In this embodiment, the first speed regulating wheel 308 is mounted on the first drive shaft 301, and the main drive shaft 31 is connected to the first drive shaft 301 via the main drive component 305. The second speed regulating wheel 309 is mounted on the second drive shaft 302, and the second drive shaft 302 is connected to the fertilizer drive shaft 33 via the fertilizer drive component 306. Fixed plates 6 are connected to both ends of the first drive shaft 301 and the second drive shaft 302, respectively. The two ends of the tension shaft 303 are also connected to the fixed plates 6, and the fixed plates 6 are fixedly mounted on the main support 4.

[0044] Combination Figure 4 As shown, one end of the adjusting component 5 is connected to the adjusting shaft 304, and both ends of the adjusting shaft 304 are connected to the fixed plate 6 respectively; and the adjusting component 5 and the adjusting shaft 304 or the adjusting shaft 304 and the fixed plate 6 are movably connected, so that the adjusting component 5 can rotate around the adjusting shaft 304. When adjusting the speed, the adjusting component 5 can move towards the tensioning shaft 303.

[0045] Combined Figure 2 and Figure 3As shown, in this embodiment, two elastic members 310 are connected to the adjusting shaft 304. One end of each elastic member 310 is connected to the adjusting assembly 5, and the other end is connected to the fixing plate 6. The elastic members 310 are located on both sides of the adjusting assembly 5. In other cases, the number of elastic members 310 can be one or other, depending on the needs.

[0046] The resistive elastic element 310 is a torsion spring. Under normal operation, the torque of the torsion spring is opposite to the tensioning direction of the tensioning shaft 303 on the speed regulating transmission element 307. Applying an external force to the adjusting assembly 5 to overcome the torque of the torsion spring causes the adjusting assembly 5 to move closer to the tensioning shaft 303, thereby loosening the speed regulating transmission element 307 and adjusting its position on the first speed regulating wheel 308 and the second speed regulating wheel 309 to regulate speed.

[0047] In addition, the resistance elastic element 310 is a torsion spring. The torque of the torsion spring is opposite to the tensioning direction of the tensioning shaft 303 on the speed regulating transmission element 307. After the speed regulating transmission element 307 has been running for a certain period of time, it is easy to become loose. At this time, the torque of the torsion spring can still tension the speed regulating transmission element 307 in real time.

[0048] In another embodiment, an adjusting pin 505 is connected to the adjusting assembly 5, and several adjusting holes 61 are provided on the fixing plate 6. When the adjusting pin 505 is connected to different adjusting holes 61, the adjusting assembly 5 moves to different positions. The adjusting pin 505 is inserted into the adjusting assembly 5 and the fixing plate 6. When speed adjustment is required, the adjusting pin 505 is removed, and an external force is applied to the adjusting assembly 5 to move it closer to the tension shaft 303, thereby loosening the speed regulating transmission component 307 and adjusting the position of the speed regulating transmission component 307 on the first speed regulating wheel 308 and the second speed regulating wheel 309.

[0049] like Figure 3 As shown, regarding the adjustment component 5, the adjustment component 5 includes an adjustment rod 502 located at one end, and a speed regulating transmission component 307 connected to the adjustment rod 502. Further, a rotatable adjustment wheel 503 is connected to the adjustment rod 502, and the speed regulating transmission component 307 is directly connected to the adjustment wheel 503, thus achieving a cooperative connection between the speed regulating transmission component 307 and the adjustment wheel 503.

[0050] The adjusting assembly 5 also includes adjusting brackets 504 connected to both ends of the adjusting rod 502, with the other end of the adjusting bracket 504 connected to the adjusting shaft 304. Furthermore, the adjusting bracket 504 is L-shaped, and the end of the adjusting bracket 504 near the adjusting rod 502 is bent towards the tension shaft 303, facilitating the connection between the speed regulating transmission component 307 and the adjusting wheel 503.

[0051] To facilitate applying force to the adjustment component 5, the adjustment component 5 also includes a pressing part 501, the two ends of which are connected to the adjustment bracket 504.

[0052] The seeder speed adjustment mechanism provided by this utility model allows for speed adjustment by rotating the adjustment component 5 to loosen the speed adjustment transmission component 307, thereby adjusting the mating position of the speed adjustment transmission component 307 on the first speed adjustment wheel 308 and the second speed adjustment wheel 309. This process does not require disassembling the tensioning shaft, making the speed adjustment method more convenient.

[0053] The terms "installation," "setup," "equipped with," and "connection" used herein should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0054] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A speed adjusting mechanism of a seeding machine, which is connected with a fertilizing assembly (1) and a seeding assembly (2) and is used for adjusting the fertilizing amount of the fertilizing assembly (1) and the seeding amount of the seeding assembly (2) in the seeding machine; comprising a first speed adjusting wheel (308), a second speed adjusting wheel (309), a tensioning shaft (303), a speed adjusting transmission member (307) and a movable adjusting assembly (5); the first speed adjusting wheel (308), the second speed adjusting wheel (309), the tensioning shaft (303) and the adjusting assembly (5) are connected in sequence through the speed adjusting transmission member (307); the first speed adjusting wheel (308) is connected with a main transmission shaft (31); and the adjusting assembly (5) is movable towards the direction close to the tensioning shaft (303) when an external force is applied, so that the speed adjusting transmission member (307) is loosened. characterized in that One end of the adjusting assembly (5) is connected with an adjusting shaft (304), and both ends of the adjusting shaft (304) are connected with a fixed plate (6) respectively; 2. The planter speed adjustment mechanism of claim 1, wherein: and the adjusting assembly (5) and the adjusting shaft (304) or the adjusting shaft (304) and the fixed plate (6) are movably connected. At least one resisting elastic member (310) is connected on the adjusting shaft (304), one end of the resisting elastic member (310) is connected with the adjusting assembly (5), and the other end is connected with the fixed plate (6).

3. The planter speed adjustment mechanism of claim 2, wherein: The resisting elastic member (310) is a torsion spring.

4. The planter speed adjustment mechanism of claim 3, wherein: An adjusting pin (505) is connected on the adjusting assembly (5), a plurality of adjusting holes (61) are formed on the fixed plate (6), and the adjusting pin (505) is movably connected with different adjusting holes (61), so that the adjusting assembly (5) is moved to different positions.

5. The planter speed adjustment mechanism of claim 2, wherein: The adjusting assembly (5) comprises an adjusting rod (502) at one end thereof, a rotatable adjusting wheel (503) is connected on the adjusting rod (502), and the speed adjusting transmission member (307) is directly connected on the adjusting wheel (503).

6. The planter speed regulation mechanism of any of claims 2-5, wherein: The adjusting assembly (5) further comprises adjusting supports (504) connected on both ends of the adjusting rod (502) respectively, and the other ends of the adjusting supports (504) are connected with the adjusting shaft (304).

7. The planter speed adjustment mechanism of claim 6, wherein: The adjusting supports (504) are in "L" shape, and one end of the adjusting support (504) close to the adjusting rod (502) is bent towards the direction close to the tensioning shaft (303).

8. The planter speed adjustment mechanism of claim 7, wherein: The adjusting assembly (5) further comprises a pressing part (501), and both ends of the pressing part (501) are connected with the adjusting supports (504).

9. The planter speed adjustment mechanism of claim 7, wherein: The seeding machine speed adjusting mechanism according to any one of claims 1-9 further comprises a fertilizing assembly (1), a seeding assembly (2) and a power wheel (3), the power wheel (3) is connected with the adjusting mechanism through the main transmission shaft (31), the adjusting mechanism is in transmission connection with the fertilizing assembly (1), and the fertilizing assembly (1) is in transmission connection with the seeding assembly (2).

10. A delta planter characterized by: ​