Single press wheel structure of seeder

By designing adjustment and height components for the individual press wheel structure of the seeder, real-time adjustment of the press wheel is achieved, solving the problem of inconvenient adjustment in existing technologies and improving sowing efficiency and seed survival rate.

CN224098170UActive Publication Date: 2026-04-10HEILONGJIANG WEITENG AGRI MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing roller adjustment mechanism requires disassembly for adjustment, making it impossible to adjust in real time according to the sowing situation, which is inconvenient and inefficient.

Method used

A single-unit press wheel structure for a seeder was designed, including an adjustment component and a height component. The angle and pressure of the press wheel can be adjusted in real time through a handle and a pull rod, simplifying the operation steps and improving the sowing efficiency.

Benefits of technology

It enables rapid adjustment of the press wheel, simplifies the operation steps, and can be adjusted in real time according to the field conditions, thereby improving seed survival rate and sowing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a seeder monomer press wheel structure which comprises a connecting frame, a connecting arm is installed on the end face of one side of the connecting frame, a fixing seat is installed at one end of the connecting arm, a rotating rod is embedded in the inner side of the fixing seat, a rotating frame is rotatably installed on the outer side of the rotating rod and located on the outer side of the fixing seat, and a press wheel is installed on the rotating frame. According to the press machine, the pull rod and the angle adjusting groove plate are driven to swing on the outer side of the positioning rod by pulling the grip, then the press rod can be driven to swing on the inner side of the angle groove, and therefore the angle between the two press wheels is adjusted; the width of the press wheel protruding out of the ridge can be controlled, the adjusting process is simple and convenient, the press wheel does not need to be disassembled, adjusted and then installed, all numerical values of the formed ridge can be rapidly adjusted at any time, operation steps are simplified, and the survival rate of seeds is further improved through real-time adjustment according to the field situation of a farmland.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sowing machine technical field, concretely is a single compacting wheel structure of sowing machine. BACKGROUND

[0002] The sowing machine needs to use the compacting wheel to compact the soil after sowing, so that the seed is in close contact with the soil, and the seed is surrounded by enough soil particles, which is beneficial to the seed to absorb water and nutrients, thereby improving the emergence rate, the compacting wheel can adjust and control the thickness of the soil covering the seed, and the pressure or position of the compacting wheel is adjusted to accurately control the degree of soil compaction, thereby indirectly affecting the sowing depth, and ensuring that the seed is in the appropriate soil depth, which is beneficial to the smooth germination and growth of the seed.

[0003] However, the existing compacting wheel adjusting structure mostly needs to be disassembled, adjusted and then installed, which is very troublesome during adjustment and cannot be adjusted in real time according to the sowing condition, and is inconvenient to use and low in efficiency. UTILITY MODEL CONTENT

[0004] The utility model provides a single compacting wheel structure of sowing machine can effectively solve the above -mentioned background art proposed existing compacting wheel adjusting structure mostly needs to be disassembled, adjusted and then installed, which is very troublesome during adjustment and cannot be adjusted in real time according to the sowing condition, and is inconvenient to use and low in efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a single compacting wheel structure of sowing machine, including connecting frame, the side end surface of connecting frame is installed with adjustment assembly;

[0006] The adjustment assembly comprises a connecting arm;

[0007] One end of the connecting arm is provided with a fixed seat, a rotating rod is embedded in the inner side of the fixed seat, a rotating frame is rotatably installed on the outer side of the rotating rod outside the fixed seat, an adjusting spring is sleeved on the outer side of the rotating rod inside the fixed seat, and a spring connecting rod is welded at one end of the adjusting spring;

[0008] An angle adjusting groove plate is rotatably installed on the inner side of the rotating frame, a positioning rod is installed on the side end surface of the angle adjusting groove plate, a pulling rod is welded at the top end of the angle adjusting groove plate, a handle is sleeved on the outer side of the pulling rod, a limiting plate is welded at the top end of the rotating frame, and a limiting rod is welded at the bottom end of the handle;

[0009] A reset spring is sleeved on the outer side of the pulling rod, and a limiting hole is formed in the corresponding position of the limiting plate and the limiting rod.

[0010] According to the technical scheme, the front end face of the rotating frame is provided with a clamping groove, the side end face of the rotating frame is provided with an angle groove, the inner side of the angle groove is rotatably provided with a pressing rod, and the outer side of the pressing rod is rotatably provided with a pressing wheel.

[0011] According to the technical scheme, the other end of the adjusting spring is clamped with the fixed seat, and the clamping groove is provided with a plurality of clamping grooves which are equidistantly arranged on the front end face of the rotating frame.

[0012] According to the technical scheme, the positioning rod is provided with two, both of which are rotatably connected with the rotating frame, one end of the reset spring is spot-welded with the pulling rod, and the other end of the reset spring is spot-welded with the handle.

[0013] According to the technical scheme, the limiting hole is provided with a plurality of limiting holes which are equidistantly arranged on the inner side of the limiting plate, and the inner side of the limiting plate is provided with a movable groove at the corresponding position of the pulling rod.

[0014] According to the technical scheme, the other side end face of the connecting frame is provided with a height assembly;

[0015] The height assembly comprises a top connecting rod;

[0016] The top end of the top connecting rod is provided with a fixed convex point, the outer side of the fixed convex point is clamped with a tension rod, the outer side of the tension rod is clamped with a height limiting spring, and the inner side of the tension rod is provided with a tension slot at the corresponding position of the fixed convex point.

[0017] According to the technical scheme, the tension rod is provided with two, both of which are clamped with the top connecting rod and the bottom connecting rod, and the other end of the height limiting spring is clamped with the bottom tension rod.

[0018] According to the technical scheme, the tension rod is provided with two, both of which are clamped with the top connecting rod and the bottom connecting rod, and the other end of the height limiting spring is clamped with the bottom tension rod.

[0019] Compared with the prior art, the utility model discloses the beneficial effects:

[0020] 1. The adjusting assembly is arranged, the handle is driven to swing the pulling rod and the angle adjusting groove plate on the outer side of the positioning rod, then the pressing rod can be swung on the inner side of the angle groove, so that the angle between the two pressing wheels is adjusted, the width of the pressing wheel raised ridge can be controlled, the adjusting process is simple and convenient, the pressing wheel does not need to be disassembled, adjusted and then installed, each value of the formed ridge can be quickly adjusted at any time, the operation steps are simplified, and the survival rate of seeds is further improved according to the real-time adjustment of the farmland site condition.

[0021] 2、Set up height assembly, the tension slot inside the tension rod is clamped to the outside of the corresponding fixed convex point, when the position of two tension rods is close, the tension is small, the top connecting rod is not moved, the pressure applied to the soil by the bottom connecting rod will be larger, when the distance between two tension rods is far, the tension is larger, the top connecting rod is not moved, the bottom connecting rod is pulled up, the pressure applied to the soil will be smaller, so that the pressure of the soil on the roller can be quickly adjusted, the step is simple and convenient, and the sowing efficiency can be quickly adjusted according to the hardness of the soil. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0023] In the drawings:

[0024] Figure 1 is a structural schematic view of the present application;

[0025] Figure 2 is a structural schematic view of the adjusting assembly of the present application;

[0026] Figure 3 is an installation structural schematic view of the pressing rod of the present application;

[0027] Figure 4 is an installation structural schematic view of the pulling rod of the present application;

[0028] Figure 5 is a structural schematic view of the height assembly of the present application;

[0029] Figure 6 is an installation structural schematic view of the height limiting spring of the present application;

[0030] Marked numbers in the drawing: 1, connecting frame;

[0031] 2, adjusting assembly; 201, connecting arm; 202, fixed seat; 203, rotating rod; 204, rotating frame; 205, adjusting spring; 206, spring connecting rod; 207, clamping groove; 208, angle groove; 209, pressing rod; 210, pressing wheel; 211, angle adjusting groove plate; 212, positioning rod; 213, pulling rod; 214, handle; 215, limiting plate; 216, limiting rod; 217, return spring; 218, limiting hole;

[0032] 3, height assembly; 301, top connecting rod; 302, bottom connecting rod; 303, mounting frame; 304, fixed convex point; 305, tension rod; 306, height limiting spring; 307, tension slot. DETAILED DESCRIPTION

[0033] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0034] Embodiment: as Figures 1-6 The utility model provides a technical scheme, a single compacting wheel structure of seeding machine, including connecting frame 1, one side end surface of connecting frame 1 is installed with adjustment assembly 2;

[0035] Adjustment assembly 2 includes connecting arm 201, fixed seat 202, rotating rod 203, rotating frame 204, adjusting spring 205, spring connecting rod 206, clamping groove 207, angle groove 208, compacting rod 209, compacting wheel 210, angle adjusting groove plate 211, positioning rod 212, pull rod 213, handle 214, limiting plate 215, limiting rod 216, reset spring 217 and limiting hole 218;

[0036] One side end surface of connecting frame 1 is installed with connecting arm 201, one end of connecting arm 201 is installed with fixed seat 202, the inside of fixed seat 202 is embedded with rotating rod 203, the outside of rotating rod 203 is installed with rotating frame 204 at the outside position of fixed seat 202, the outside of rotating rod 203 is sleeved with adjusting spring 205 at the inside position of fixed seat 202, one end of adjusting spring 205 is welded with spring connecting rod 206;

[0037] The front end surface of rotating frame 204 is provided with clamping groove 207, the other end of adjusting spring 205 is clamped with fixed seat 202, clamping groove 207 is provided with several, several clamping grooves 207 are equidistantly arranged on the front end surface of rotating frame 204, which is conducive to adjusting pressure, the side end surface of rotating frame 204 is provided with angle groove 208, angle groove 208 is rotatably installed with compacting rod 209 on the inside, and compacting rod 209 is rotatably installed with compacting wheel 210 on the outside.

[0038] The inner side of the rotating frame 204 is rotatably provided with an angle adjusting groove plate 211, the side end face of the angle adjusting groove plate 211 is provided with a positioning rod 212, the top end of the angle adjusting groove plate 211 is welded with a pulling rod 213, the outer side of the pulling rod 213 is sleeved with a handle 214, the top end of the rotating frame 204 is welded with a limiting plate 215, the bottom end of the handle 214 is welded with a limiting rod 216, the outer side of the pulling rod 213 is sleeved with a reset spring 217, the positioning rod 212 is provided with two, both of which are rotatably connected with the rotating frame 204, one end of the reset spring 217 is spot-welded with the pulling rod 213, the other end of the reset spring 217 is spot-welded with the handle 214, which is convenient for quick reset, the inner side of the limiting plate 215 is provided with a limiting hole 218 at the corresponding position of the limiting rod 216, the limiting hole 218 is provided with a plurality of limiting holes 218, and the plurality of limiting holes 218 are equidistantly provided on the inner side of the limiting plate 215, and the inner side of the limiting plate 215 is provided with a movable groove at the corresponding position of the pulling rod 213, which is beneficial to adjust the angle.

[0039] The other side end face of the connecting frame 1 is provided with a height assembly 3.

[0040] The height assembly 3 comprises a top connecting rod 301, a bottom connecting rod 302, a mounting frame 303, a fixed convex point 304, a tension rod 305, a height limiting spring 306 and a tension groove 307.

[0041] The top connecting rod 301 is rotatably mounted on the top of the connecting frame 1, the bottom connecting rod 302 is rotatably mounted on the bottom end of the connecting frame 1, one end of the bottom connecting rod 302 is provided with the mounting frame 303, the top end of the top connecting rod 301 is equidistantly provided with the fixed convex point 304, the outer side of the fixed convex point 304 is provided with the tension rod 305, the outer side of the tension rod 305 is provided with the height limiting spring 306, the tension rod 305 is provided with two, and the two tension rods 305 are respectively connected with the top connecting rod 301 and the bottom connecting rod 302, the other end of the height limiting spring 306 is connected with the bottom tension rod 305, which is convenient for adjusting the tension, and the inner side of the tension rod 305 is provided with the tension groove 307 at the corresponding position of the fixed convex point 304.

[0042] The working principle and use process of the utility model are as follows: firstly, when people need to press the higher land ridge, the more the pressing wheel 210 is pressed down, thereby increasing the contact area of the pressing wheel 210 and the land, so as to push up more soil to form the land ridge, at this time, the spring connecting rod 206 can be moved, the spring connecting rod 206 is moved out of the clamping groove 207 at the bottom, then the spring connecting rod 206 is moved to the inner side of the clamping groove 207 at a higher position, then under the action of the scroll pressure of the adjusting spring 205, the spring connecting rod 206 is pressed down, when the spring connecting rod 206 is clamped to the position of the clamping groove 207 at a higher position, the angle of the rotating frame 204 rotating downward outside the rotating rod 203 is increased, at this time, the pressing wheel 210 can be pressed down and moved, thereby more soil can be raised to increase the height of the land ridge, and greater pressing force can be provided to press the soil more firmly;

[0043] Then, when the width of the land ridge to be raised needs to be adjusted, the operator pulls the handle 214 to lift the handle 214 upward against the elastic force of the return spring 217, at this time, the limiting rod 216 can be pulled out from the inner side of the limiting hole 218, the position limitation on the pulling rod 213 is removed, then the handle 214 can be moved to drive the pulling rod 213 and the angle adjusting groove plate 211 to swing outside the positioning rod 212, then the pressing rod 209 can be driven to swing inside the angle groove 208, thereby the angle between the two pressing wheels 210 is adjusted, the width of the land ridge raised by the pressing wheel 210 can be controlled, the adjustment process is simple and convenient, the pressing wheel 210 does not need to be disassembled, adjusted and then installed, the various values of the formed land ridge can be quickly adjusted at any time, not only the operation steps are simplified, but also the survival rate of seeds is further improved according to the real-time adjustment of the field situation of farmland;

[0044] Then, when the different degrees of sowing pressing force are needed, the operator can pull the tension rod 305, thereby overcoming the tension of the height limiting spring 306, then the tension slot 307 inside the tension rod 305 is clamped to the outer side of the corresponding fixed convex point 304, when the positions of the two tension rods 305 are close, the tension is small, the top connecting rod 301 is not moved, and the pressure applied to the soil by the bottom connecting rod 302 is increased, when the two tension rods 305 are far apart, the tension is increased, the top connecting rod 301 is not moved, and the pressure applied to the soil by the bottom connecting rod 302 is decreased, thereby the pressing force of the pressing wheel 210 on the soil can be quickly adjusted, the steps are simple and convenient, the sowing efficiency can be improved according to the adjustment of the hardness of the soil.

[0045] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A seeder unit packer wheel structure comprising a connecting frame (1), characterized in that: The side end face of the connecting frame (1) is provided with an adjusting assembly (2); The adjusting assembly (2) comprises a connecting arm (201); The side end face of the connecting frame (1) is provided with the connecting arm (201), one end of the connecting arm (201) is provided with a fixed seat (202), the inner side of the fixed seat (202) is embedded with a rotating rod (203), the outer side of the rotating rod (203) is rotatably provided with a rotating frame (204) at the position outside the fixed seat (202), the outer side of the rotating rod (203) is sleeved with an adjusting spring (205) at the position inside the fixed seat (202), one end of the adjusting spring (205) is welded with a spring connecting rod (206); The inner side of the rotating frame (204) is rotatably provided with an angle adjusting groove plate (211), the side end face of the angle adjusting groove plate (211) is provided with a positioning rod (212), the top end of the angle adjusting groove plate (211) is welded with a pulling rod (213), the outer side of the pulling rod (213) is sleeved with a handle (214), the top end of the rotating frame (204) is welded with a limiting plate (215), the bottom end of the handle (214) is welded with a limiting rod (216); The outer side of the pulling rod (213) is sleeved with a reset spring (217), the inner side of the limiting plate (215) is provided with a limiting hole (218) at the corresponding position of the limiting rod (216).

2. The unit packer wheel structure for a planter of claim 1, wherein: The front end face of the rotating frame (204) is provided with a clamping groove (207), the side end face of the rotating frame (204) is provided with an angle groove (208), the inner side of the angle groove (208) is rotatably provided with a pressing rod (209), the outer side of the pressing rod (209) is rotatably provided with a pressing wheel (210).

3. The planter unit packer wheel structure of Claim 2, wherein: The other end of the adjusting spring (205) is clamped with the fixed seat (202), the clamping groove (207) is provided with a plurality of clamping grooves (207), and the plurality of clamping grooves (207) are equidistantly provided on the front end face of the rotating frame (204).

4. The planter unit packer wheel structure of claim 2, wherein: The positioning rod (212) is provided with two, and the two positioning rods (212) are rotatably connected with the rotating frame (204), one end of the reset spring (217) is spot welded with the pulling rod (213), and the other end of the reset spring (217) is spot welded with the handle (214).

5. The planter unit packer wheel structure of Claim 2, wherein: The limiting hole (218) is provided with a plurality of limiting holes (218), and the plurality of limiting holes (218) are equidistantly provided on the inner side of the limiting plate (215), and the inner side of the limiting plate (215) is provided with a movable groove at the corresponding position of the pulling rod (213).

6. The unit packer wheel structure for a planter of claim 1, wherein: The other side end face of the connecting frame (1) is provided with a height assembly (3); The height assembly (3) comprises a top connecting rod (301); The top of the connecting frame (1) is rotatably provided with the top connecting rod (301), the bottom of the connecting frame (1) is rotatably provided with a bottom connecting rod (302), and one end of the bottom connecting rod (302) is provided with a mounting frame (303); The top end of the top connecting rod (301) is provided with a fixed convex point (304) equidistantly, the outer side of the fixed convex point (304) is clamped with a tension rod (305), the outer side of the tension rod (305) is clamped with a height limiting spring (306), and the inner side of the tension rod (305) is provided with a tension slot (307) at the corresponding position of the fixed convex point (304).

7. The planter unit packer wheel structure of Claim 6, wherein: The tension rod (305) is provided with two, the two tension rods (305) are clamped with the top connecting rod (301) and the bottom connecting rod (302) respectively, and the other end of the height limiting spring (306) is clamped with the bottom tension rod (305).