Sowing machine with soil splitting and pressing functions
By adding a counter-rotating soil compaction roller to the seeder and arranging ribs on the roller surface, the problem of poor compaction effect was solved, and the consistency of soil compaction effect and sowing depth was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
The existing compaction rollers have poor compaction effect and cannot guarantee the consistency of crop sowing depth.
A seeder with soil-distributing and compacting function was designed. By adding a reverse-rotating soil-distributing and compacting roller and ribs on the roller surface to increase the contact area and friction, the compaction effect is improved by optimizing the transmission system, including the chain drive pair and the tension wheel.
It enhances soil compaction, reduces uneven soil depth caused by subsidence after sowing, creates favorable soil conditions for sowing, and ensures consistent sowing depth.
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Figure CN224098208U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of agricultural machinery technology, in particular to a seeding machine with soil dividing and compacting functions. BACKGROUND
[0002] The existing compacting roller is driven to rotate by the seeding machine during operation, i.e. self-propelled, and the friction generated by the contact between the compacting roller and the soil compacts the soil surface, but the compacting effect of the compacting roller is poor due to its own gravity, and the consistency of the seeding depth of crops cannot be guaranteed. SUMMARY
[0003] The present application aims to overcome the shortcomings of the prior art and provides a seeding machine with soil dividing and compacting functions, which is specifically implemented by the following technical solutions:
[0004] The seeding machine with soil dividing and compacting functions comprises a frame, a self-propelled compacting roller, a soil dividing and compacting roller, a rotary tiller shaft, a main gear box, a reamer shaft, a fertilizer tank connected with a fertilizer discharge pipe, a seed tank connected with a seed discharge pipe, and a ground wheel, wherein the ground wheel, the reamer shaft, the rotary tiller shaft, the soil dividing and compacting roller, and the self-propelled compacting roller are sequentially and rotatably supported on the frame from front to back along the advancing direction of the seeding machine, the main gear box, the fertilizer tank, and the seed tank are arranged on the frame, the main gear box is in transmission connection with the rotary tiller shaft, the main gear box is in transmission connection with the reamer shaft through a first transmission pair, the main gear box is in transmission connection with the soil dividing and compacting roller through a reverse transmission shaft and a second transmission pair, and the rotation direction of the soil dividing and compacting roller is opposite to that of the rotary tiller shaft.
[0005] The further design of the seeding machine with soil dividing and compacting functions is that the second transmission pair is a chain transmission pair comprising a driving sprocket, a driven sprocket, and a chain, the driving sprocket and the driven sprocket are rotatably arranged on the side plate of the frame and are in transmission connection with the chain, and the driven sprocket is in transmission connection with the rotating shaft of the soil dividing and compacting roller.
[0006] The further design of the seeding machine with soil dividing and compacting functions is that the second transmission pair further comprises a tensioning wheel, and the tensioning wheel is arranged on the side plate of the frame and is in sliding connection with the chain.
[0007] The further design of the seeding machine with soil dividing and compacting functions is that the ground wheel is arranged on the frame through an extension bracket.
[0008] The further design of the seeding machine with soil dividing and compacting functions is that the ground wheel is in transmission connection with the seed discharge shaft of the seed tank through a third transmission pair.
[0009] The further design of the seeding machine with soil dividing and compacting functions is that the blade of the reamer shaft is divided into three parts, i.e. a long blade arranged in the middle of the reamer shaft and two short blades arranged on both sides of the reamer shaft.
[0010] The further design of the seeding machine with the soil dividing and compacting function is that the fertilizer box is provided with a fertilizer box reamer.
[0011] The further design of the seeding machine with the soil dividing and compacting function is that the fertilizer box reamer is in transmission connection with the third transmission pair.
[0012] The further design of the seeding machine with the soil dividing and compacting function is that the third transmission pair is a chain transmission pair or a pulley transmission pair.
[0013] The further design of the seeding machine with the soil dividing and compacting function is that the roller surface of the soil dividing and compacting roller is provided with ribs.
[0014] The seeding machine with the soil dividing and compacting function enhances the compacting effect by adding the reverse rotating soil dividing and compacting roller, solves the problem of uneven medium depth caused by the sinking of soil after compacting soil and reducing seeding, and creates good soil conditions for seeding.
[0015] Further, the ribs are arranged on the roller surface of the soil dividing and compacting roller, which can increase the contact area and friction force of the roller surface and soil, improve the compacting effect, and break large soil blocks for the seeding and growth of crops BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic view of the seeding machine with the soil dividing and compacting function.
[0017] Figure 2 It is a rear view of the seeding machine with the soil dividing and compacting function.
[0018] Figure 3 It is a top view of the seeding machine with the soil dividing and compacting function.
[0019] Figure 4 It is a side view of the seeding machine with the soil dividing and compacting function. DETAILED DESCRIPTION
[0020] The technical scheme of the present application is described in detail below with reference to the drawings.
[0021] As Figure 1 , Figure 2 and Figure 3 , the seeding machine with the soil dividing and compacting function mainly comprises a machine frame 1, a self-propelled compacting roller 15, a soil dividing and compacting roller 14, a rotary tiller shaft 16, a main gear box 10, a reamer shaft 13, a fertilizer box 3 connected with a fertilizer discharge pipe, a seed box 4 connected with a seed discharge pipe, and a ground wheel 12. The ground wheel 12, the reamer shaft 13, the rotary tiller shaft 16, the soil dividing and compacting roller 14, and the self-propelled compacting roller 15 are rotatably supported on the machine frame 1 from front to back in the advancing direction of the seeding machine, as shown inFigure 3 The main gear box 10, the fertilizer box 3 and the seed box 4 are arranged on the frame 1 respectively, the main gear box 10 is in transmission connection with the rotary blade shaft 16; and is in transmission connection with the reamer shaft 13 through the first transmission pair 131; is in transmission connection with the soil separating and rolling roller 14 through the reverse transmission shaft 101 and the second transmission pair 102, the soil separating and rolling roller 14 is opposite to the rotary blade shaft 16 in the rotation direction.
[0022] As shown in Figure 4 The second transmission pair 102 is a chain transmission pair mainly composed of a driving sprocket 1021, a driven sprocket 1022 and a chain 1023. The driving sprocket 1021 and the driven sprocket 1022 are rotatably arranged on the frame side plate and are in transmission connection with the chain 1023 respectively, the driven sprocket 1022 is in transmission connection with the rotation shaft of the soil separating and rolling roller 14.
[0023] Further, the second transmission pair 102 further comprises a tensioning wheel 1024, the tensioning wheel 8 is arranged on the frame side plate and is in sliding connection with the chain 1023.
[0024] As shown in Figure 1 The ground wheel 12 is arranged on the frame through an extension support 17. The ground wheel 12 is in transmission connection with the seed delivery shaft of the seed box 4 through a third transmission pair 121.
[0025] The fertilizer box 3 is provided with a fertilizer box reamer 31. The fertilizer box reamer 31 is in transmission connection with the third transmission pair. The third transmission pair of the embodiment is a chain transmission pair, which can also be replaced by a belt wheel transmission pair.
[0026] The blade of the reamer shaft 13 is composed of a long blade arranged in the middle of the reamer shaft and short blades arranged on both sides of the reamer shaft.
[0027] The roller surface of the soil separating and rolling roller 14 is provided with ribs (not shown in the figure). The ribs are arranged in a wave shape, which can increase the contact area and friction between the roller surface and the soil on the one hand, and improve the compaction effect, and on the other hand, can break large soil blocks to facilitate the seeding and growth of crops.
[0028] The seeding machine with the soil separating and rolling function of the embodiment can enhance the rolling effect by adding the reverse rotating soil separating and rolling roller, solve the problem of uneven medium depth caused by the sinking of the compacted soil after seeding, and create good soil conditions for seeding. Further, the ribs are arranged on the roller surface of the soil separating and rolling roller, which can increase the contact area and friction between the roller surface and the soil on the one hand, and improve the compaction effect, and on the other hand, can break large soil blocks to facilitate the seeding and growth of crops.
[0029] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A seeder with soil-spreading and compaction function, characterized in that, The machine includes a frame, a self-propelled compaction roller, a soil-distributing compaction roller, a rotary tiller shaft, a main gearbox, a reamer shaft, a fertilizer box connected to a fertilizer discharge pipe, a seed box connected to a seed discharge pipe, and a ground wheel. The ground wheel, reamer shaft, rotary tiller shaft, soil-distributing compaction roller, and self-propelled compaction roller are rotatably supported on the frame in sequence from front to back in the direction of travel of the seeder. The main gearbox, fertilizer box, and seed box are respectively mounted on the frame. The main gearbox is driven by the rotary tiller shaft and is also driven by the reamer shaft through a first transmission pair. It is driven by the soil-distributing compaction roller through a reverse transmission shaft and a second transmission pair. The rotation direction of the soil-distributing compaction roller is opposite to that of the rotary tiller shaft.
2. The seeder with soil-spreading and compaction function according to claim 1, characterized in that, The second transmission pair is a chain transmission pair including: a driving sprocket, a driven sprocket and a chain. The driving sprocket and the driven sprocket are rotatably mounted on the side plate of the frame and are respectively connected to the chain drive. The driven sprocket is connected to the rotating shaft of the soil-distributing compaction roller.
3. The seeder with soil-spreading and compaction function according to claim 2, characterized in that, The second transmission pair also includes a tension wheel, which is mounted on the side plate of the frame and slidably connected to the chain.
4. The seeder with soil-spreading and compaction function according to claim 1, characterized in that, The ground wheel is mounted on the frame via an extension bracket.
5. The seeder with soil-spreading and compaction function according to claim 1, characterized in that, The ground wheel is connected to the seed discharge shaft of the seed box via a third transmission pair.
6. The seeder with soil-spreading and compaction function according to claim 1, characterized in that, The blade of the reamer shaft consists of three parts: a long blade located in the middle of the reamer shaft and short blades located on both sides of the reamer shaft.
7. The seeder with soil-spreading and compaction function according to claim 5, characterized in that, The fertilizer box is equipped with a fertilizer box reamer.
8. The seeder with soil-spreading and compaction function according to claim 7, characterized in that... The fat box reamer is connected to the third transmission pair.
9. The seeder with soil-spreading and compaction function according to claim 8, characterized in that... The third transmission pair is a chain transmission pair or a pulley transmission pair.
10. The seeder with soil-spreading and compaction function according to claim 1, characterized in that... The surface of the soil-distributing compaction roller is provided with ribs.