Planting and fertilizing all-in-one machine

By designing an integrated planting and fertilizing machine, and utilizing structures such as limiting grooves and rotating rods, the problem of poor verticality in seedling planting was solved, enabling vertical planting and simultaneous fertilization of seedlings, thereby improving the survival rate and the service life of the equipment.

CN121844774APending Publication Date: 2026-04-14SHANDONG LEDAO AGRI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-10
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Traditional planting methods result in poor verticality of seedlings, affecting aesthetics and survival rate, and lack effective positioning and guidance structures.

Method used

Design a planting and fertilizing integrated machine, including a traction frame, a soil-breaking plow, a planting guide plate, a soil-covering tray, and a spring arm. Through the cooperation of the limiting groove, the rotating rod, and the limiting protrusion, the verticality of the seedling planting is ensured, and the fertilization is achieved simultaneously through the planting guide plate and the soil-covering tray.

Benefits of technology

It improved the verticality and survival rate of seedling planting, increased planting efficiency, and extended the service life of the equipment.

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Abstract

The invention relates to the technical field of agricultural planting equipment, and provides a planting and fertilizing all-in-one machine which comprises a traction frame, a ground breaking plough, a planting guide plate, two hilling discs and two elastic arms, each elastic arm comprises a rotating shaft, a baffle, a rotating rod, a spring, a limiting protrusion and a tension spring, and each rotating shaft penetrates through the traction frame and is in sliding and rotating connection with the traction frame; the baffle is fixedly arranged on the rotating shaft and abuts against the bottom side of the traction frame. The rotating rod is fixedly arranged on the rotating shaft and is positioned above the traction frame; the spring is arranged between the rotating rod and the traction frame in an abutting mode. The limiting bulge is integrally formed on the rotating shaft; the two ends of the tension spring are fixedly arranged on the traction frame and the rotating rod respectively. By arranging the positioning groove, the limiting part and the rotating rod capable of rotating and locking, the problem that sapling planting is inclined can be effectively solved, sapling planting perpendicularity is ensured, sapling planting efficiency is remarkably improved, and the sapling planting survival rate is remarkably increased.
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Description

Technical Field

[0001] This invention relates to the field of agricultural planting equipment technology, and in particular to an integrated planting and fertilization machine. Background Technology

[0002] In agricultural seedling planting operations, traditional planting methods mostly rely on manual labor combined with simple machinery, which results in problems such as low planting efficiency and high labor costs.

[0003] With the development of agricultural mechanization, some integrated planting equipment has gradually emerged, which can realize the simultaneous operation of digging ditches and planting. For example, the utility model patent with announcement number CN205727379U discloses a traction tree planter, which is equipped with a soil-breaking plow, a soil-covering wheel, a pressing wheel and a soil-covering wheel to realize the planting of seedlings.

[0004] However, the above-mentioned technical solutions lack an effective positioning and guiding structure, which makes it easy for the seedlings to be tilted when placed manually, resulting in poor verticality of the seedlings. This not only affects the aesthetics of the seedlings but also the survival rate of the seedlings in subsequent growth. Summary of the Invention

[0005] In view of this, the present invention proposes an integrated planting and fertilization machine, which can improve the verticality and uniformity of seedling planting, and increase planting efficiency and survival rate.

[0006] The technical solution of this invention is implemented as follows: This invention provides a planting and fertilizing integrated machine, including a traction frame, a soil-breaking plow, a guide plate, two soil-shaping discs, and two elastic arms. The soil-breaking plow is fixedly mounted on the traction frame; the guide plate is fixedly mounted at the rear end of the soil-breaking plow, with its rear side protruding forward to form a V-shaped limiting portion; the soil-shaping discs are rotatably mounted on the traction frame, and the two soil-shaping discs are positioned opposite each other behind the limiting portion; each elastic arm includes a rotating shaft, a baffle, a rotating rod, a spring, a limiting protrusion, and a tension spring. The rotating shaft passes through the traction frame and slides with the traction frame. The system is as follows: A baffle is fixedly mounted on the rotating shaft and abuts against the bottom side of the traction frame; a rotating rod is fixedly mounted on the rotating shaft and located above the traction frame; a spring is abutting between the rotating rod and the traction frame; a limiting protrusion is integrally formed on the rotating shaft; both ends of the tension spring are respectively fixedly mounted on the traction frame and the rotating rod; in its natural state, the limiting protrusion engages with the bottom side of the traction frame, and the two rotating rods enclose a V-shaped positioning groove, with the positioning groove opposite to the limiting part; when the rotating rod is pressed downwards, the limiting protrusion separates from the traction frame.

[0007] Based on the above technical solutions, preferably, the bottom side of the planting guide plate is located above the bottom side of the soil-breaking plow.

[0008] Based on the above technical solutions, preferably, a limiting groove is provided on the bottom side of the traction frame; both the limiting protrusion and the limiting groove are in the shape of regular polygons, and the axis of the limiting protrusion coincides with the axis of the rotating shaft.

[0009] Based on the above technical solutions, preferably, the outer edge of the top side of the limiting protrusion is provided with a chamfer.

[0010] Based on the above technical solutions, preferably, the guide plate includes a limiting section, a connecting section, and a curling section. The limiting section is fixedly mounted on the soil-breaking plow, and the limiting part is located on the limiting section. One end of the connecting section is fixedly mounted on the end of the limiting section. One end of the curling section is integrally formed on the end of the connecting section away from the limiting section, and the other end of the curling section curls inward and abuts against the inner side of the connecting section. Two connecting sections and two curling sections are provided. The two connecting sections and two curling sections are arranged opposite to each other on both sides of the limiting section, and the two curling sections are spaced apart. The rotating rod is located in front of the curling section.

[0011] Based on the above technical solutions, preferably, the connecting segment is arc-shaped, and the distance between the two connecting segments gradually increases from front to back and then gradually decreases.

[0012] Based on the above technical solution, preferably, the limiting segment, the connecting segment, and the curled segment enclose the implantation cavity, and the two curled segments enclose the alignment channel; the side of the curled segment closest to the implantation cavity and the alignment channel is perpendicular to the horizontal plane.

[0013] Based on the above technical solutions, preferably, the connecting section has a guide surface on the side away from the implantation cavity, the guide surface is an inclined plane, and the upper part of the guide surface is inclined towards the implantation cavity.

[0014] Based on the above technical solutions, preferably, multiple sets of the connecting segment and the curling segment are arranged in the vertical direction; the connecting segment and the limiting segment are fixedly connected in a rotatable manner and can be fixedly abutted against the breaking plow.

[0015] Based on the above technical solutions, preferably, multiple sets of the soil-laying trays are arranged from front to back.

[0016] The integrated planting and fertilizing machine of the present invention has the following advantages over the prior art: (1) By setting up positioning grooves, limiting parts and rotating and locking rods, the problem of skewed planting of seedlings can be effectively solved, ensuring the verticality of seedling planting and significantly improving the efficiency and survival rate of seedling planting.

[0017] (2) By setting the limit protrusions and limit grooves of regular polygons, the wear of each component can be reduced and the service life of this all-in-one machine can be extended.

[0018] (3) By setting the guide plate to include a limiting section, a connecting section and a curling section, the seedling can be straightened for a second time and the structural strength of the guide plate can be improved. By setting the connecting section and the curling section to multiple sets and allowing the connecting section to rotate relative to the limiting section, the function of the guide plate can be enriched and the applicable working conditions of this all-in-one machine can be expanded. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a perspective view of an integrated planting and fertilization machine according to the present invention.

[0021] Figure 2 This is a partial bottom view of a planting and fertilizing integrated machine according to the present invention.

[0022] Figure 3 This is a cross-sectional view of the positioning groove and limiting part in a planting and fertilizing integrated machine of the present invention.

[0023] Figure 4 This is a perspective view of the spring in a planting and fertilizing integrated machine according to the present invention.

[0024] Figure 5 This is an exploded view of the chamfered corner of a planting and fertilizing machine according to the present invention.

[0025] Figure 6 This is a top view of the rotating rod in a planting and fertilizing integrated machine according to the present invention.

[0026] Figure 7 This is a top view of the planting guide plate and the soil-breaking plow in a planting and fertilizing integrated machine of the present invention.

[0027] Figure 8 This is a left view of the planting guide plate and the soil-breaking plow in a planting and fertilizing integrated machine of the present invention.

[0028] Figure 9 This is a perspective view of the planting guide plate in a planting and fertilizing integrated machine according to the present invention.

[0029] Figure 10 This is a perspective view of the planting guide plate and the soil-breaking plow in a planting and fertilizing integrated machine of the present invention.

[0030] Figure 11 This is a top view of the planting guide plate and the soil-breaking plow in a planting and fertilizing integrated machine of the present invention, showing the state in which the two planting guide plates are fixed against the soil-breaking plow.

[0031] The components include: 1. Traction frame; 101. Limiting groove; 2. Soil-breaking plow; 3. Planting guide plate; 31. Limiting section; 32. Connecting section; 33. Curling section; 310. Planting guide cavity; 320. Straightening channel; 301. Limiting part; 302. Guide surface; 4. Soil-covering tray; 5. Elastic arm; 51. Rotating shaft; 52. Baffle; 53. Rotating rod; 54. Spring; 55. Limiting protrusion; 56. Tension spring; 501. Positioning groove; 502. Chamfer. Detailed Implementation

[0032] The technical solutions of this invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0033] The present invention provides a planting and fertilizing integrated machine, comprising a traction frame 1, a soil-breaking plow 2, a planting guide plate 3, two soil-covering trays 4 and two elastic arms 5, for digging trenches to plant seedlings and simultaneously applying fertilizer.

[0034] The tow frame 1 is suspended and fixed at the rear of the vehicle. The operator can stand or sit on the tow frame 1, so the tow frame 1 is equipped with a platform with a frame structure. In order to enable the tow frame 1 to move smoothly, the tow frame 1 can be equipped with a corresponding wheel set. One end of the tow frame 1 used to connect to the vehicle is the front end of the integrated machine, and the other end is the rear end of the integrated machine.

[0035] The soil-breaking plow 2 is used to perform trenching operations. It is fixedly installed on the bottom side of the traction frame 1 and located at the front end of the traction frame 1. The front end of the soil-breaking plow 2 is wedge-shaped, which can easily shovel the soil and guide it to both sides to form a trench in the land.

[0036] The guide plate 3 is fixedly installed at the rear end of the soil-breaking plow 2. During the movement of this integrated machine, the position of the guide plate 3 forms a soil flow blind zone. The soil-laying disc 4 is rotated and installed on the traction frame 1. The two soil-laying discs 4 are located behind the flow blind zone and are set relative to the flow blind zone.

[0037] As the towing frame 1 moves with the vehicle, the soil-breaking plow 2 first digs a trench in the land. The planting guide plate 3 holds the soil on both sides of the trench to prevent soil backflow from burying the trench. After the sapling is placed in the soil flow blind zone behind the planting guide plate 3, the moving soil tray 4 guides the soil on both sides of the trench to the sapling position, and covers the sapling with soil to achieve the planting of the sapling. During this process, fertilizer can be applied to the sapling at the same time.

[0038] like Figure 1 and Figure 2 As shown, there are multiple sets of soil-laying trays 4 arranged from front to back, and the tilt angles of the multiple sets of soil-laying trays 4 are different, thereby achieving different soil-laying effects.

[0039] During the above operations, the saplings need to be placed manually, which inevitably leads to some saplings being planted crookedly. The elastic arm 5 is used to solve this problem, thereby ensuring the uniformity of the sapling planting.

[0040] The elastic arm 5 includes a rotating shaft 51, a baffle 52, a rotating rod 53, a spring 54, a limiting protrusion 55, and a tension spring 56. The rotating shaft 51 passes through the traction frame 1 and is slidably and rotatably connected to the traction frame 1. The baffle 52 is fixedly mounted on the rotating shaft 51 and abuts against the bottom side of the traction frame 1. The rotating rod 53 is fixedly mounted on the rotating shaft 51 and located above the traction frame 1. The spring 54 is abutted between the rotating rod 53 and the traction frame 1. The limiting protrusion 55 is integrally formed on the rotating shaft 51. The two ends of the tension spring 56 are respectively fixedly mounted on the traction frame 1 and the rotating rod 53.

[0041] In its natural state, the spring force of spring 54 pushes the rotating rod 53 upward, causing the limiting protrusion 55 to engage with the bottom side of the traction frame 1. At this time, the ends of the two rotating rods 53 enclose to form a positioning groove 501. Figure 2 As shown, the positioning groove 501 is V-shaped and is positioned opposite to the guide plate 3; Figure 3 As shown, first, the sapling's trunk is placed in the positioning groove 501, using the positioning groove 501 to keep the sapling's trunk in the middle of the ditch. Then, the sapling's root end is tilted forward, and the sapling is slowly moved downwards, allowing the root end to touch the soil along the planting guide plate 3. After the sapling's root end contacts the soil, it will be fixed to the soil. At the same time, the vehicle slowly moves forward, and the planting guide plate 3 gradually moves away from the sapling's root end. The position of the sapling's trunk follows the rotating rod 53 forward, thus gradually making the sapling upright. Once the sapling is upright, the rotating rod 53 is pressed down, causing the limiting protrusion 55 to separate from the traction frame 1. The two rotating rods 53 are then rotated outwards, moving away from the sapling, thus keeping the sapling planted in an upright position. When the sapling moves to the rear of the rotating rod 53, the tension of the tension spring 56 drives the two rotating rods 53 to rotate in opposite directions, returning the two rotating rods 53 to their original position, thus limiting the next sapling.

[0042] like Figure 2 and Figure 3 As shown, the rear side of the planting guide plate 3 protrudes forward to form a V-shaped limiting part 301. Two soil trays 4 are arranged opposite each other behind the limiting part 301, and the positioning groove 501 is arranged opposite to the limiting part 301. When planting seedlings, the root end of the seedling slides downward in the limiting part 301, so that the root end of the seedling is also in the middle of the ditch, thereby improving the verticality of the seedling planting.

[0043] like Figure 3 As shown, the bottom side of the planting guide plate 3 is located above the bottom side of the soil-breaking plow 2. When the seedling is moved downward, the soil can better cover the roots of the seedling, thus improving the planting efficiency of the seedling.

[0044] In a preferred embodiment, a limiting groove 101 is formed on the bottom side of the traction frame 1. Both the limiting protrusion 55 and the limiting groove 101 are regular polygonal in shape, and the axis of the limiting protrusion 55 coincides with the axis of the rotating shaft 51; Figure 5 As shown, when the rotating rod 53 is pressed down, the rotating shaft 51 slides down, thereby separating the limiting protrusion 55 from the limiting groove 101, allowing the rotating shaft 51 to rotate relative to the traction frame 1; in the natural state, the elastic force of the spring 54 and the tension force of the tension spring 56 cause the limiting protrusion 55 to re-engage in the limiting groove 101, thereby preventing the rotating shaft 51 and the rotating rod 53 from rotating; in order to make it easier for the limiting protrusion 55 to engage in the limiting groove 101, it is preferable to provide a chamfered portion 502 at the outer edge of the top side of the limiting protrusion 55.

[0045] Since both the limiting protrusion 55 and the limiting groove 101 are regular polygons, taking a regular n-sided polygon as an example (n is a positive integer, and n≥3), the limiting protrusion 55 will engage with the limiting groove 101 every (360 / n)° of rotation. Therefore, as Figure 6 As shown, the initial position of the rotating rod 53 is adjusted to be set with a gap between the two rotating rods 53. At this time, the sapling cannot pass through the gap between the two rotating rods 53. However, when the two rotating rods 53 rotate outward by (360 / n)°, the sapling can pass through the gap between the two rotating rods 53, thereby reducing the rotation angle of the rotating shaft 51 and reducing the wear of the rotating shaft 51.

[0046] like Figure 7 As shown, the guide plate 3 includes a limiting section 31, a connecting section 32, and a curling section 33. The limiting section 31 is fixedly mounted on the soil-breaking plow 2, and the limiting part 301 is located on the limiting section 31. One end of the connecting section 32 is fixedly mounted on the end of the limiting section 31. One end of the curling section 33 is integrally formed on the end of the connecting section 32 away from the limiting section 31. The other end of the curling section 33 curls inward and abuts against the inner side of the connecting section 32. There are two connecting sections 32 and two curling sections 33. The two connecting sections 32 and the two curling sections 33 are arranged opposite each other on both sides of the limiting section 31, and the two curling sections 33 are spaced apart. The rotating rod 53 is located in front of the curling section 33.

[0047] The limiting segment 31, connecting segment 32, and curled segment 33 enclose and form a guiding cavity 310. The two curled segments 33 enclose and form a straightening channel 320, with the width of the straightening channel 320 slightly larger than the outer diameter of the sapling's main trunk. The side of the curled segment 33 closest to the guiding cavity 310 and the straightening channel 320 is perpendicular to the horizontal plane, thus driving the sapling to remain upright. Figure 2 As shown, when the vehicle moves to the right, causing the rotating pole 53 to move from the left side of the sapling to the right side of the sapling, the side wall of the straightening channel 320 can straighten the sapling a second time, thereby further improving the verticality of the sapling planting.

[0048] Because the curled segment 33 has a curled structure and smooth sides, it will not scratch the seedlings and can also play a good protective role.

[0049] The connecting section 32 is arc-shaped, and the distance between the two connecting sections 32 gradually increases from front to back and then gradually decreases, forming a good protective function, which can effectively offset soil stress and improve the structural strength of the guide plate 3.

[0050] Multiple sets of connecting sections 32 and curling sections 33 are arranged in the vertical direction. The connecting section 32 is detachably fixedly connected to the limiting section 31. When it is necessary to plant the seedlings at different heights, not only can the height of the traction frame 1 be adjusted up and down, but the lower part of the connecting section 32 can also be disassembled.

[0051] like Figure 9 As shown, the connecting section 32 has a guide surface 302 on the side away from the implantation cavity 310. The guide surface 302 is an inclined plane, and the upper part of the guide surface 302 is inclined towards the direction closer to the implantation cavity 310; as shown Figure 8 As shown, the guide surface 302 makes the width of the guide plate 3 gradually increase from top to bottom, and multiple connecting sections 32 form a sawtooth-like structure. When the guide plate 3 moves slowly with the vehicle, the sawtooth structure can cut the surrounding soil and improve the soil granulation.

[0052] Preferably, the connecting section 32 and the limiting section 31 are rotatably connected, so that the connecting section 32 can rotate to such a position. Figure 7 and Figure 11 At the position shown, the connecting section 32 is then fixed using bolts or connecting plates or other components (the connecting and fixing structure is not shown in the figure).

[0053] like Figure 10 and Figure 11 As shown, when the connecting section 32 rotates to a position where it is in contact with the soil-breaking plow 2, the curled section 33 also forms a plow-shaped structure, which can loosen the soil and increase the inner diameter of the ditch, thus making it suitable for working conditions where the outer diameter of the seedling root tip is large.

[0054] When the connecting section 32 rotates to a position where it is in contact with the soil-breaking plow 2, the end of the connecting section 32 near the curled section 33 together with the soil-breaking plow 2 forms a V-shaped trough structure, and the guide surface 302 is one of the side walls of the trough structure. When the guide plate 3 moves with the vehicle, the soil in the trough structure will move upward along the guide surface 302, thereby overturning the connecting section 32 and moving to the root end of the seedling, thus burying the root end of the seedling.

[0055] like Figure 9 As shown, the guide surface 302 is formed by extruding the side of the connecting section 32, causing the upper part of the connecting section 32 to contract inward. At this time, a gap is formed between two adjacent connecting sections 32, making it difficult for soil outside the guide plate 3 to enter the interior of the guide plate 3 along this gap. When fertilizing, fertilizer can be sprinkled into this gap, so that the fertilizer is evenly distributed to the outer area of ​​the seedling root tip.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A planting and fertilizing integrated machine, characterized in that: It includes a traction frame (1), a soil-breaking plow (2), a planting guide plate (3), two soil-covering trays (4), and two elastic arms (5), among which, The soil-breaking plow (2) is fixedly mounted on the traction frame (1); The planting guide plate (3) is fixedly installed at the rear end of the soil-breaking plow (2), and the rear side of the planting guide plate (3) protrudes forward to form a V-shaped limiting part (301). The soil-laying disc (4) is rotatably mounted on the traction frame (1), and the two soil-laying discs (4) are positioned opposite each other behind the limiting part (301); The elastic arm (5) includes a rotating shaft (51), a baffle (52), a rotating rod (53), a spring (54), a limiting protrusion (55), and a tension spring (56). The rotating shaft (51) passes through the traction frame (1) and is slidably and rotatably connected to the traction frame (1). The baffle (52) is fixedly disposed on the rotating shaft (51) and abuts against the bottom side of the traction frame (1). The rotating rod (53) is fixedly disposed on the rotating shaft (51) and located above the traction frame (1). The spring (54) abuts against the rotating rod (53) and the traction frame (1). The limiting protrusion (55) is integrally formed on the rotating shaft (51). The two ends of the tension spring (56) are respectively fixedly disposed on the traction frame (1) and the rotating rod (53). In its natural state, the limiting protrusion (55) engages with the bottom side of the traction frame (1), and the two rotating rods (53) enclose a V-shaped positioning groove (501), with the positioning groove (501) and the limiting part (301) being positioned opposite each other; when the rotating rod (53) is pressed down, the limiting protrusion (55) separates from the traction frame (1).

2. The integrated planting and fertilizing machine as described in claim 1, characterized in that: The bottom side of the planting guide plate (3) is located above the bottom side of the soil-breaking plow (2).

3. The integrated planting and fertilizing machine as described in claim 1, characterized in that: The bottom side of the traction frame (1) is provided with a limiting groove (101). Both the limiting protrusion (55) and the limiting groove (101) are regular polygonal in shape, and the axis of the limiting protrusion (55) coincides with the axis of the rotating shaft (51).

4. The integrated planting and fertilizing machine as described in claim 3, characterized in that: The outer edge of the top side of the limiting protrusion (55) is provided with a chamfer (502).

5. The integrated planting and fertilizing machine as described in claim 1, characterized in that: The guide plate (3) includes a limiting section (31), a connecting section (32), and a curling section (33). The limiting section (31) is fixedly installed on the soil-breaking plow (2), and the limiting part (301) is located on the limiting section (31). One end of the connecting section (32) is fixedly installed at the end of the limiting section (31). One end of the curling section (33) is integrally formed at the end of the connecting section (32) away from the limiting section (31), and the other end of the curling section (33) curls inward and abuts against the inner side of the connecting section (32). There are two connecting sections (32) and two curling sections (33). The two connecting sections (32) and the two curling sections (33) are arranged opposite to each other on both sides of the limiting section (31), and the two curling sections (33) are spaced apart. The rotating rod (53) is located in front of the curling section (33).

6. The integrated planting and fertilizing machine as described in claim 5, characterized in that: The connecting segment (32) is arc-shaped, and the distance between the two connecting segments (32) gradually increases from front to back and then gradually decreases.

7. The integrated planting and fertilizing machine as described in claim 6, characterized in that: The limiting segment (31), the connecting segment (32) and the curling segment (33) enclose the implantation cavity (310), and the two curling segments (33) enclose the straightening channel (320). The side of the curled section (33) closest to the implantation cavity (310) and the straightening channel (320) is perpendicular to the horizontal plane.

8. The integrated planting and fertilizing machine as described in claim 7, characterized in that: The connecting section (32) has a guide surface (302) on the side away from the implantation cavity (310). The guide surface (302) is an inclined plane, and the upper part of the guide surface (302) is inclined towards the implantation cavity (310).

9. The integrated planting and fertilizing machine as described in claim 8, characterized in that: The connecting segment (32) and the curled segment (33) are provided in multiple sets along the vertical direction; The connecting section (32) is fixedly connected to the limiting section (31) in a rotatable manner and can be fixed against the soil-breaking plow (2).

10. The integrated planting and fertilizing machine as described in claim 1, characterized in that: The soil-laying trays (4) are arranged in multiple sets from front to back.

Citation Information

Patent Citations

  • Towed planting machine

    CN205727379U