Seeding and rolling press roller
By designing a seed compaction roller that can achieve both rolling vibration and rolling compaction, and utilizing the outer and inner roller side plates and impact hammer structure, the problem of insufficient compaction of the compaction roller in special agronomic and complex soil environments has been solved. This has resulted in structural simplification, cost reduction, and improved adaptability, providing a good seedbed environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NORTHEAST AGRICULTURAL UNIVERSITY
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-24
AI Technical Summary
Existing compaction rollers are insufficient in compaction and have cumbersome structures and high costs when faced with special agronomic requirements and complex soil environments, failing to meet the adaptability and versatility requirements of modern agricultural machinery.
Design a seed compaction roller that can achieve both rolling vibration and rolling compaction. By installing outer and inner roller side plates and impact hammer structures on both sides of the roller shaft, combined with the fit of pin shaft and through hole, high-frequency and high-density vibration compaction can be achieved. The compaction mode can be switched to adapt to different soil environments.
It improves the adaptability and versatility of the compaction roller, simplifies the structure, reduces manufacturing costs, and allows the compaction mode to be adjusted according to field needs, providing a good seedbed environment for seed germination.
Smart Images

Figure CN119908195B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to agricultural machinery and mainly relates to a soil compaction roller for seedbeds. Background Technology
[0002] To increase soil compaction and improve seed germination rates after sowing, compaction rollers are used simultaneously to compact the seedbed soil after sowing. Conventional compaction rollers rely mainly on their own weight to apply downward pressure to the seedbed soil, resulting in lower quality when facing special agronomic requirements or complex soil environments. To address issues such as insufficient compaction and soil adhesion, vibratory compaction rollers have been developed. However, these devices often rely on external power sources for vibration, leading to cumbersome structures, high costs, and unsuitability for conventional soil environments. Therefore, they still fail to meet the requirements of modern agricultural machinery in terms of practicality, adaptability, and versatility. Summary of the Invention
[0003] The purpose of this invention is to address the problems existing in the prior art and, in combination with the actual needs of current seedbed soil compaction operations, to develop and design a seed compaction roller that can achieve both rolling vibration and rolling compaction. This aims to improve the adaptability of the compaction roller, simplify its structure, reduce manufacturing costs, facilitate its use, and allow for adjustment of different compaction modes according to field operation needs, thereby providing a good seedbed environment for seed germination.
[0004] The objective of this invention is achieved as follows: Outer roller side plates are rotatably mounted on both sides of the roller shaft between the roller frames. Pin holes are provided on the sides of the outer roller side plates, and pins are inserted into these pin holes, allowing axial movement to the left and right. The pins are fixedly connected to the outer roller side plates by pins. An outer roller is fitted and fixed between the two outer roller side plates. Two inner roller side plates are rotatably mounted on both sides of the roller shaft between the two outer roller side plates. Through holes are provided on the sides of the inner roller side plates at positions opposite to the pin holes. Inner rollers are fitted and fixed between the two inner roller side plates. The included angle α between the inner walls of the inner rollers along the circumferential direction is 15°. The roller shaft is fixedly mounted with four roller rings in a staggered manner. Six boss-type lifting sections are evenly distributed and spaced along the circumference on the inner wall of the roller rings. Four impact hammer frames are fixedly fitted and mounted perpendicularly to the ground on the roller shaft at positions opposite to the four roller rings. A sliding support hole is opened at the lower end of the impact hammer frame, and the impact hammer handle is inserted into the sliding support hole so as to move axially up and down. An impact hammer head is fixedly installed on the lower end of the impact hammer handle. A pressure spring is fitted on the impact hammer handle, and the upper and lower ends of the pressure spring are in compression contact with the impact hammer frame and the impact hammer head, respectively. The impact hammer head is in contact with or disengaged from the six boss-type lifting sections on the inner wall of the corresponding roller ring in sequence.
[0005] This invention realizes two compaction operation modes: rolling vibration and rolling compaction. It uses an impact hammer to continuously strike the roller ring, realizing high-frequency and high-density up-and-down vibration during the circumferential rotation of the roller and the roller ring. The use of a pin shaft and through hole allows for switching between the two compaction modes, producing a good compaction effect on the seedbed soil after sowing operations in different environments. This invention has the characteristics of novel, unique, reasonable, simple, highly versatile, good compaction effect, and convenient and reliable use. Attached Figure Description
[0006] Figure 1 This is a front sectional view of a seed compaction roller capable of both vibrating and rolling compaction;
[0007] Figure 2 yes Figure 1 Sectional view along axis AA;
[0008] Figure 3 This is a schematic diagram of the assembly of the impact hammer handle and the impact hammer head;
[0009] Figure 4 This is a schematic diagram of the assembly of the roller ring and the boss-type lifting section;
[0010] Figure 5 This is a partial three-dimensional cross-sectional schematic diagram of the overall structure of a seed compaction roller that can achieve rolling vibration and rolling compaction.
[0011] Part number description in the image:
[0012] 1. Seat plate, 2. Roller frame, 3. Roller shaft, 4. Outer roller side plate, 5. Pin hole, 6. Pin shaft, 7. Pin, 8. Outer roller, 9. Inner roller side plate, 10. Through hole, 11. Inner roller, 12. Impact hammer frame, 13. Sliding support hole, 14. Pressure spring, 15. Impact hammer handle, 16. Impact hammer head, 17. Roller ring, 18. Boss type lifting section. Detailed Implementation
[0013] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A seed compaction roller capable of rolling vibration and rolling compaction includes a roller frame 2, with a seat plate 1 and a roller shaft 3 respectively mounted on the front and rear ends of the roller frame 2. The roller shaft 3 is characterized in that: outer roller side plates 4 are rotatably mounted on both sides of the roller shaft 3 between the roller frame 2; pin holes 5 are provided on the side surfaces of the outer roller side plates 4; pin shafts 6 are axially movable left and right and are inserted into the pin holes 5; the pin shafts 6 are fixedly connected to the outer roller side plates 4 by pins 7; an outer roller 8 is fitted and fixed between the two outer roller side plates 4; two inner roller side plates 9 are rotatably mounted on both sides of the roller shaft 3 between the two outer roller side plates 4; through holes 10 are provided on the side surfaces of the inner roller side plates 9 at positions opposite to the pin holes 5; an inner roller 11 is fitted and fixed between the two inner roller side plates 9; and the inner wall surface of the inner roller 11 is circumferentially square. Four roller rings 17 are fixedly mounted in a staggered manner with an included angle α of 15°. Six boss-type lifting sections 18 are evenly distributed and spaced along the circumferential direction on the inner wall surface of the roller rings 17. Four impact hammer frames 12 are fixedly fitted and mounted perpendicularly to the ground on the roller shaft 3 at positions opposite to the four roller rings 17. A sliding support hole 13 is opened at the lower end of the impact hammer frame 12. The impact hammer handle 15 is axially movable and inserted into the sliding support hole 13. An impact hammer head 16 is fixedly installed on the lower end of the impact hammer handle 15. A pressure spring 14 is fitted on the impact hammer handle 15. The upper and lower ends of the pressure spring 14 are in compression contact with the impact hammer frame 12 and the impact hammer head 16, respectively. The impact hammer head 16 is in contact or disengaged from the six boss-type lifting sections 18 on the inner wall surface of the corresponding roller ring 17 in sequence.
[0014] When in use, the roller is mounted on the work implement using the seat plate 1 and moved forward randomly, pressing the outer roller 8 tightly against the seedbed soil. Under the action of soil friction resistance, the outer roller 8 begins to rotate. The compaction mode is selected according to agronomic requirements and field soil conditions.
[0015] When the rolling vibration compaction mode is selected, the pin 6, which can be axially moved left and right and is installed in the pin hole 5, is inserted into the through hole 10 on the inner roller side plate 9. The inner roller 11 synchronously drives the roller ring 17, which is fixedly installed on the inner wall, to rotate. When the boss-type lifting section 18 fixed on the roller ring 17 contacts the impact hammer head 16 on the impact hammer handle 15, the impact hammer handle 15 moves upward in the sliding support hole 13 on the impact hammer frame 12, and the compression pressure on the pressure spring 14 increases. When the boss-type lifting section 18 on the rotating roller ring 17 disengages from the impact hammer head 16, the impact hammer handle 15 moves downward rapidly under the action of the pressure spring 14, and the impact hammer head 16 strikes the inner wall of the roller ring 17, causing... The compaction roller vibrates, applying impact force to the soil surface above the seeds through the effective contact surface. Based on the fact that six boss-type lifting sections 13 are fixed on the inner wall of each roller ring 12, there are a total of 24 boss-type lifting sections 13 on the four roller rings 12. At the same time, the four roller rings 12 are fixedly offset by 15° in the circumferential direction inside the roller cylinder 6. That is, every time the roller cylinder 6 rotates 15°, one boss-type lifting section 13 disengages from the impact hammer head 11. The impact hammer head 11 achieves one impact operation on the inner wall of the roller ring 12. The roller cylinder 6 rotates 360°, and the four impact hammer heads achieve 24 impact operations on the inner wall of the roller ring 12. The roller cylinder 6 vibrates 24 times, completing the high-frequency vibration compaction of the seedbed soil and realizing the rolling vibration compaction operation.
[0016] When the rolling compaction mode is selected, the pin 6 installed in the pin hole 5 can be moved left and right axially to disengage from the through hole 10 opened on the inner roller side plate 9. The inner roller is rotated without power. At this time, there is no excitation force to excite the compaction roller. Only the weight of the compaction roller itself acts on the soil through the outer roller 8 to apply downward pressure to the soil for compaction, thus realizing the rolling compaction operation.
Claims
1. A seed compaction roller capable of both rolling vibration and rolling compaction, comprising a roller frame (2), wherein a seat plate (1) and a roller shaft (3) are respectively mounted on the front and rear ends of the roller frame (2), characterized in that... Outer roller side plates (4) are rotatably installed on both sides of the roller shaft (3) between the roller frame (2). Pin holes (5) are provided on the side of the outer roller side plates (4). Pin shafts (6) are inserted into the pin holes (5) and can move axially left and right. The pin shafts (6) are fixed to the outer roller side plates (4) by pins (7). Outer rollers (8) are fitted and fixed between the two outer roller side plates (4). On both sides of the roller shaft (3), two inner roller side plates (9) are rotatably installed between the two outer roller side plates (4). Through holes (10) are opened on the side of the inner roller side plates (9) at positions opposite to the pin holes (5). Inner rollers (11) are fitted and fixed between the two inner roller side plates (9). Four roller rings (17) are fixedly installed on the inner wall of the inner roller (11) in a staggered manner along the circumferential direction with an included angle α of 15°. Six boss-type lifting sections (18) are evenly distributed and spaced along the circumferential direction on the inner wall of the roller ring (17); four impact hammer frames (12) are fixedly fitted on the roller shaft (3) at positions opposite to the four roller rings (17) perpendicular to the ground. A sliding support hole (13) is opened at the lower end of the impact hammer frame (12), and the impact hammer handle (15) is axially movable and inserted into the sliding support hole (13). An impact hammer head (16) is fixedly installed on the lower end of the impact hammer handle (15), and a pressure spring (14) is fitted on the impact hammer handle (15). The upper and lower ends of the pressure spring (14) are in compression contact with the impact hammer frame (12) and the impact hammer head (16) respectively. The impact hammer head (16) is in contact or disengagement contact with the six boss-type lifting sections (18) on the inner wall of the corresponding roller ring (17) in sequence.
Citation Information
Patent Citations
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