CN110915631B

CN110915631B - Rice planting device

Info

Publication number: CN110915631B
Application number: CN201911133960.4A
Authority: CN
Inventors: 彭玉林; 张兆冬; 杨璐; 钱荣; 王莉莉; 王永露
Original assignee: Hunan Hybrid Rice Research Center
Current assignee: Hunan Hybrid Rice Research Center
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-03-23
Anticipated expiration: 2039-11-19
Also published as: CN110915631A

Abstract

The invention discloses a rice planting device, which comprises a pool body, a main conveying rod, a solid conveying supporting rod and a liquid conveying supporting rod, wherein the main conveying rod is arranged on the pool body; the tank body is provided with an accommodating space with an upper opening; the main conveying rods are horizontally inserted into the peripheral wall of the tank body and extend into the bottom of the accommodating space, and a partition plate is arranged in the middle of each main conveying rod to divide the inner space into a solid conveying cavity and a liquid conveying cavity; the solid conveying support rod is communicated with the solid conveying cavity; the liquid conveying support rods are symmetrically arranged at two sides of the part, extending into the accommodating space, of the main conveying rod and are communicated with the liquid conveying cavity. The solid conveying supporting rods and the liquid conveying supporting rods are arranged along the main conveying rod, so that fertilizer can be uniformly applied into soil; solid transport branch and liquid transport branch carry chamber and liquid respectively with solid transport chamber and liquid transport chamber intercommunication in order sending into the soil with fertilizer in order to realize separately sending into the rice root position with solid and liquid fertilizer, realize the accuracy of fertilization, improve the utilization ratio of fertilizer and reduce the delay that the fertilizer was absorbed to the rice.

Description

Rice planting device

Technical Field

The invention relates to the technical field of rice planting, in particular to a rice planting device.

Background

At present, in the research of rice planting and cultivation, the experiment field is often needed to be established to plant and observe the rice, in the experiment process of rice planting and cultivation, various fertilizers are needed to be applied to the rice to improve the yield of the rice, the traditional fertilizers are directly scattered into the rice field, the fertilizers also need to permeate for a period of time to reach the root of the rice, the fertilizer is distributed too widely, the utilization rate of the fertilizers is low, the effective time is delayed, the experiment field is often subjected to small-scale experiment planting, the area is small, and the experiment field is not suitable for the traditional mechanical (unmanned aerial vehicle) fertilization.

Disclosure of Invention

The present invention aims to solve the above technical problem at least to some extent. Therefore, the invention provides the rice planting device with accurate fertilization.

The technical scheme adopted by the invention for solving the technical problems is as follows: a rice planting device comprises a pool body, a main conveying rod, a solid conveying support rod and a liquid conveying support rod; the tank body is provided with an accommodating space with an upper opening; the main conveying rod is horizontally inserted into the peripheral wall of the tank body and extends into the bottom of the accommodating space, the main conveying rod is hollow, one end of the main conveying rod is open, the other end of the main conveying rod is closed, a partition plate is arranged in the middle of the main conveying rod to divide the inner space into a solid conveying cavity and a liquid conveying cavity, the liquid conveying cavity is communicated with the infusion pump to obtain liquid fertilizer, and the solid conveying cavity is used for receiving the solid fertilizer; the solid conveying support rods are symmetrically arranged at two sides of the part, extending into the accommodating space, of the main conveying rod, the solid conveying support rods are hollow and communicated with the solid conveying cavity, a discharge hole is formed in the outer ends of the solid conveying support rods, and a pushing mechanism used for sending solid fertilizers entering the solid conveying support rods to the outside is arranged in the solid conveying support rods; the liquid conveying support rods are symmetrically arranged at two sides of the part, extending into the accommodating space, of the main conveying rod and are communicated with the liquid conveying cavity.

The rice planting device provided by the embodiment of the invention at least has the following technical effects: soil is filled at the bottom in the tank body, the main conveying rods are horizontally inserted into the tank body and are positioned at the bottom of the tank body and buried in the soil, the tank body is fully distributed with the main conveying rods, and the solid conveying supporting rods and the liquid conveying supporting rods are arranged along the main conveying rods and can uniformly apply fertilizer into the soil; the main conveying rod divides the inner space of the main conveying rod into a solid conveying cavity and a liquid conveying cavity through a partition plate, and the solid conveying support rod and the liquid conveying support rod are respectively communicated with the solid conveying cavity and the liquid conveying cavity to convey fertilizer into soil so as to realize that the solid fertilizer and the liquid fertilizer are separately conveyed to the root position of rice, thereby realizing the accuracy of fertilization, improving the utilization rate of the fertilizer and reducing the delay of fertilizer absorption of the rice; only need utilize machine or manual work to send into the fertilizer into main conveying pole and can accomplish the fertilization during the fertilization, easy operation.

According to some embodiments of the invention, the bottom wall of the housing space is provided with a support block for supporting the main conveyor bar.

According to some embodiments of the invention, a side wall of the accommodating space is provided with a gap for the main conveying rod to be inserted into, the main conveying rod is inserted into the bottom of the gap, and the gap is provided with a filling block above the main conveying rod to fill and close the gap.

According to some embodiments of the invention, the side wall of the gap is provided with a caulking groove, and the two sides of the filling block are provided with panels corresponding to the caulking groove.

According to some embodiments of the invention, the top of the filling block is provided with a mounting and fixing plate, and the mounting and fixing plate is attached to the upper end of the peripheral wall of the tank body and is connected and fixed through a fastener.

According to some embodiments of the invention, the middle of the solid conveying strut is provided with a hinged sealing plate, the sealing plate is connected with an elastic member for pushing the sealing plate to move towards the main conveying rod, the pushing mechanism is located between the sealing plate and the main conveying rod, and the pushing mechanism can move towards the discharge port to push the sealing plate open so as to convey the solid to the outside.

According to some embodiments of the invention, the elastic member is an ejector rod inserted in the peripheral wall of the solid conveying support rod in a sliding manner, the ejector rod is located on one side of the sealing plate, which is away from the main conveying rod, a thrust spring is connected between the ejector rod and the peripheral wall of the solid conveying support rod, and the ejector rod abuts against the side surface of the sealing plate under the action of the thrust spring and pushes the sealing plate to move towards the pushing mechanism.

According to some embodiments of the invention, a limiting plate is arranged in the solid conveying support rod, and the sealing plate is in a vertical state and is attached and sealed with the inner wall of the solid conveying support rod when the sealing plate is pressed against the limiting plate under the pushing of the ejector rod.

According to some embodiments of the present invention, a push plate is movably installed in the solid conveying cavity, and a solid conveying port is disposed at an end of the solid conveying cavity close to the opening of the main conveying rod.

According to some embodiments of the invention, the separation plate is provided with a material guiding conical plate corresponding to the position of the solid conveying support rod, and both sides of the material guiding conical plate are provided with flow holes for guiding the solid into the solid conveying support rod; the material guide conical plate extends into the solid conveying support rod and is attached to the upper surface of the material pushing mechanism.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a top view of a mounting structure of an embodiment of the present invention;

FIG. 2 is an isometric view of an installation of an embodiment of the present invention;

FIG. 3 is a cross-sectional view at A-A of FIG. 1 absent a cell body;

FIG. 4 is a cross-sectional view of the main conveyor bar, the solid conveyor bar, at perspective B-B of FIG. 1;

FIG. 5 is a partial schematic view of the interior of the main conveyor bar;

FIG. 6 is a schematic view showing the connection and disassembly of the cell body and the filling block.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to fig. 1 to 6, the rice planting apparatus of the present invention includes a main conveying rod 100, a solid conveying support rod 200, a liquid conveying support rod 300, and a tank body 500.

The tank body 500 has a receiving space with an upper opening for filling a layer of soil and moisture to plant rice.

The main conveying rod 100 is horizontally inserted into the peripheral wall of the tank body 500 from the outside and extends into the bottom of the accommodating space to be buried in the soil, and the main conveying rod 100 is perpendicular to one side wall of the tank body 500 and is arranged along the side wall to realize uniform fertilization. The main conveying rod 100 is hollow, one end of the main conveying rod is open, the other end of the main conveying rod is closed, and the open end extends out of the tank body so as to feed fertilizer from the outside. A partition plate 110 is arranged in the middle of the main conveying rod 100 to divide the inner space into a solid conveying cavity 120 and a liquid conveying cavity 130, the solid conveying cavity 120 and the liquid conveying cavity 130 are vertically and separately arranged, and the solid conveying cavity 120 is located above the liquid conveying cavity 130. The liquid conveying cavity 130 is communicated with an infusion pump 132 to obtain liquid fertilizer, and the solid conveying cavity 120 is used for receiving solid fertilizer; specifically, the transfer pump 132 is communicated with the liquid conveying cavity 130 through a communicating pipe 131 inserted into the liquid conveying cavity 130, a liquid inlet pipe 133 is connected to a liquid inlet end of the transfer pump 132, the liquid inlet pipe 133 is communicated with an external liquid fertilizer storage device, and the transfer pump 132 is opened to convey liquid fertilizer to the liquid conveying cavity 130.

The solid feeding struts 200 are symmetrically arranged at both sides of the main feeding rod 100, and since the solid feeding struts 200 are used for applying solid fertilizer, the solid feeding struts 200 are disposed in the accommodating space, and accordingly the solid feeding struts 200 are connected to the portion of the main feeding rod 100 extending into the accommodating space. The solid conveying supporting rods 200 are vertically arranged on two sides of the main conveying rod 100 and extend horizontally, the solid conveying supporting rods 200 are hollow and communicated with the solid conveying cavity 120, solid fertilizers enter the solid conveying supporting rods 200 from the solid conveying cavity 120 to disperse the solid fertilizers, fertilizer gathering is avoided, and fertilizing uniformity is improved. The outer end of the solid conveying supporting rod 200 is provided with a discharge port 201, a pushing mechanism 210 for sending the solid fertilizer entering the solid conveying supporting rod 200 to the outside is arranged inside the solid conveying supporting rod 200, the discharge port 201 is located below the outer end of the solid conveying supporting rod 200, and the pushing mechanism 210 is opposite to the discharge port 201. Liquid transport branch 300 symmetrical arrangement is in main conveying rod 100 both sides, and is the same, and liquid transport branch 300 is connected on main conveying rod 100 stretches into accommodation space's part, and liquid transport branch 300 vertical arrangement is in main conveying rod 100 both sides, and the inside cavity of liquid transport branch 300 communicates with liquid transport chamber 130, and the outer end is provided with the liquid outlet in order to send liquid fertilizer into outside soil and be absorbed by plant roots.

According to the invention, the main conveying rods 100 are horizontally inserted into the tank body 500 and positioned at the bottom of the tank body 500 to be buried in soil, the tank body is fully distributed with the main conveying rods 100 in an arrangement manner, and the solid conveying supporting rods 200 and the liquid conveying supporting rods 300 are arranged along the main conveying rods 100, so that fertilizer can be uniformly applied into the soil; the main conveying rod is divided into a solid conveying cavity and a liquid conveying cavity by the partition plate so as to realize that solid and liquid fertilizers are separately fed into the root position of the rice, realize the accuracy of fertilization, improve the utilization rate of the fertilizers and reduce the delay of fertilizer absorption of the rice.

In some embodiments of the present invention, the bottom wall of the accommodating space is provided with a support block 510 to support the main conveying rod 100, the upper end of the support block 510 is provided with an open slot matched with the main conveying rod 100, and the main conveying rod 100 is embedded into the open slot to achieve a good positioning and installation effect. The root of rice is mainly concentrated in the soil middle part when generally planting, the bottom generally has the one deck surplus material soil that steps up in addition, avoid the root system development that the thickness of soil does not enough influence the rice, the certain height is held up with main pole 100 to the tray 510, in order to avoid main pole 100 and the accommodation space bottom wall is pasted mutually, hold up certain height and can be located soil middle part position with main pole 100 of carrying, more be favorable to fertilizer to concentrate on the intensive region of root system and be absorbed by the root system fast, improve the utilization ratio and the ageing of fertilizer.

In some embodiments of the present invention, a side wall of the accommodating space is provided with a notch 520 for the main conveying rod 100 to be inserted into, the main conveying rod 100 is inserted into the bottom of the notch 520, the notch 520 is provided with a filling block 600 above the main conveying rod 100 to fill and seal the notch 520, the bottom of the filling block 600 abuts against the main conveying rod 100 to prevent water and soil from leaking out, and the main conveying rod 100 may be provided with a ring of sealing ring at the periphery of the insertion notch 520 to improve the sealing performance. As the main conveying rod 100 is also welded with the solid conveying supporting rod 200 and the liquid conveying supporting rod 300, the main conveying rod 100 is arranged on the side wall of the tank body 500 in a penetrating way, the main conveying rod 100 can not be directly inserted and arranged, and the notch 520 can lead the main conveying rod 100 to be arranged in the tank body 500 from top to bottom. In a further embodiment of the present invention, the sidewall of the gap 520 is provided with a groove 521, and both sides of the filling block 600 are provided with panels 610 corresponding to the groove 521, and the panels 610 are inserted into the groove 521 to improve the sealing performance. In a further embodiment of the present invention, a mounting and fixing plate 620 is disposed on the top of the filling block 600, the mounting and fixing plate 620 is attached to the upper end of the peripheral wall of the tank body 500 and is connected and fixed by a fastener, specifically, the mounting and fixing plate 620 is provided with a first mounting hole 621, the upper end of the peripheral wall of the tank body 500 is correspondingly provided with a second mounting hole 522, and the first mounting hole 621 and the second mounting hole 522 are aligned and screwed in.

In some embodiments of the present invention, a sealing plate 220 is disposed in the middle of the solid conveying support rod 200, the upper end of the sealing plate 220 is hinged to the inner wall of the solid conveying support rod 200, the sealing plate 220 is connected to an elastic member that pushes the sealing plate 220 to move toward the main conveying rod 100, the pushing mechanism 210 is located between the sealing plate 220 and the main conveying rod 100, the pushing mechanism 210 can move toward the discharge port 201 to push the sealing plate 220 open to convey the solid to the outside, the pushing mechanism 210 abuts against the sealing plate 220 to ensure sealing during pushing, and external soil and water are prevented from entering the inside to affect subsequent fertilizer supply.

In some embodiments of the present invention, the elastic member is a push rod 230 slidably inserted through the peripheral wall of the solid conveying support rod 200, the push rod 230 is located on a side of the sealing plate 220 away from the main conveying rod 100, a thrust spring 232 is connected between the push rod 230 and the peripheral wall of the solid conveying support rod 200, the thrust spring 232 is in a compressed state, so that a thrust force is applied to the thrust spring, and the push rod 230 abuts against the side surface of the sealing plate 220 under the action of the thrust spring 232 and pushes the sealing plate 220 to move toward the material pushing mechanism 210 so as to elastically abut against the material pushing mechanism 210 to maintain. The push rod 230 abuts against the middle position of the sealing plate 220 to have a good moment to facilitate the rotation of the sealing plate 220. The pushing mechanism 210 is specifically a pushing block, which is connected to a telescopic driving mechanism 211, and the telescopic driving mechanism 211 may be a driving mechanism with a telescopic function, such as a telescopic motor or an air cylinder. In order to seal the abutting ends, a sealing rubber pad 233 is disposed at an end of the ram 230 abutting the sealing plate 220 to improve sealing performance. In a further embodiment of the present invention, a connecting portion 231 is disposed in the middle of the top rod 230 and extends outwards, one end of the thrust spring 232 is fixed on the inner wall of the solid conveying support rod 200, and the other end of the thrust spring 232 is connected to the connecting portion 231 to apply a thrust force to the top rod 230, and the connecting portion 231 facilitates the thrust spring 232 to apply a force to the top rod and also facilitates the installation.

In some embodiments of the present invention, a limiting plate 240 is disposed inside the solid conveying rod 200, the sealing plate 220 is in a vertical state when being pushed by the push rod 230 to abut against the limiting plate 240 and is sealed against the inner wall of the solid conveying rod 200, so that in an idle state, the pushing mechanism 210 retracts, the sealing plate 220 is sealed to prevent soil and water from flowing back into the solid conveying rod 200, and in addition, due to the abutting sealing effect of the push rod 230 and the sealing plate 220, the hinge joint of the sealing plate 220 is also isolated from the soil and water, so as to prevent the soil and water from interfering with the movement of the hinge joint and also prevent the soil and water from penetrating into the solid conveying rod 200 from the structural gap of the hinge joint.

In some embodiments of the present invention, the solid fertilizer is transported by pushing the pushing plate, specifically, a pushing plate 400 is movably installed in the solid transporting cavity 120 and fits with the profile of the solid transporting cavity, a solid transporting port 140 is opened at one end (left end in fig. 4) of the upper surface of the solid transporting cavity 120 near the opening of the main transporting rod 100, and the solid fertilizer enters the solid transporting cavity 120 from the solid transporting port 140 and is transported into the solid transporting support rod 200 by the pushing action of the pushing plate 400. Specifically, the push plate 400 is in screw transmission connection with a screw rod 420, and the screw rod 420 is connected with the motor 410 to obtain power. The upper part of the solid conveying port 140 can be connected with a storage hopper for feeding, and the push plate 400 pushes the fertilizer into the solid conveying support rod 200. In order to smoothly drop the solid fertilizer into the solid fertilizer conveying support rod 200, in a further embodiment of the present invention, the separation plate 110 is provided with a material guiding conical plate 111 corresponding to the solid fertilizer conveying support rod 200, in order to avoid structural interference, the top end of the material guiding conical plate 111 does not protrude out of the surface of the separation plate 110, both sides of the material guiding conical plate 111 are provided with flow holes 112 to guide the solid fertilizer into the solid fertilizer conveying support rod 200, and one end of the solid fertilizer conveying support rod 200 is butted with the flow holes 112 to receive the solid fertilizer. After the solid fertilizer is fed to the position of the material guide conical plate 111, the solid fertilizer slides obliquely from two sides and enters the solid conveying supporting rods 200 at two sides. After the preceding solid transport struts 200 are filled, the subsequent solid transport struts 200 will receive the solid fertilizer. Of course, in other embodiments, solid feed lumen 120 may feed solid fertilizer into solid feed bar 200 via a screw pump or other delivery mechanism. In other embodiments, the push plate 400 can be driven manually or electrically (e.g., by a telescopic motor, an air cylinder, etc.).

In some embodiments of the present invention, the material guiding conical plate 111 extends into the solid conveying supporting rod 200 and is attached to the upper surface of the material pushing mechanism 210, so that the solid fertilizer entering the solid conveying supporting rod 200 does not fall behind the material pushing mechanism 210, which results in that the fertilizer cannot be effectively pushed out. In addition, the quantitative fertilization effect can be realized, when the pushing mechanism 210 retracts to enable a certain gap to exist between the pushing mechanism 210 and the sealing plate 220 in the vertical state, the gap can be filled with solid fertilizer, then the pushing mechanism 210 pushes the fertilizer forwards, in the pushing process, due to the elastic pressing effect of the sealing plate 220, good sealing is realized, soil and water are prevented from flowing back into the solid conveying supporting rod 200, the amount of pushed fertilizer is large due to the size of the gap between the retracted pushing mechanism 210 and the sealing plate 220 in the vertical state, the retracting distance of the pushing mechanism 210 is large, more fertilizer is pushed out at one time, otherwise, the amount of fertilizer applied is reduced, and the application amount of the fertilizer is controlled by controlling the retraction of the pushing mechanism 210, so that the quantitative fertilization effect is achieved.

In some embodiments of the present invention, a check valve is installed in the liquid transport rod 300, so that water can only flow out of the liquid transport rod 300, and external soil and water are prevented from entering the liquid transport rod 300.

In some embodiments of the invention, the staggered arrangement of solid transport struts 200 and liquid transport struts 300 provides for a more even distribution of fertilizer within the soil. As shown in fig. 1, the solid transport struts 200 and the liquid transport struts 300 are each provided in five and staggered arrangement. It is understood that the solid transport struts 200 and the liquid transport struts 300 can also be two, three, four, six, etc., without limitation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A rice planting device, characterized by comprising:

a tank body (500) having an accommodation space with an upper opening;

the main conveying rod (100) is horizontally inserted into the peripheral wall of the tank body (500) and extends into the bottom of the accommodating space, the interior of the main conveying rod is hollow, one end of the main conveying rod is an opening, the other end of the main conveying rod is closed, a partition plate (110) is arranged in the middle of the main conveying rod and divides the interior space into a solid conveying cavity (120) and a liquid conveying cavity (130), the liquid conveying cavity (130) is communicated with the infusion pump (132) to obtain liquid fertilizer, and the solid conveying cavity (120) is used for receiving the solid fertilizer;

the solid conveying support rods (200) are symmetrically arranged on two sides of the part, extending into the accommodating space, of the main conveying rod (100), are hollow inside and are communicated with the solid conveying cavity (120), a discharge hole (201) is formed in the outer end of the main conveying rod, and a pushing mechanism (210) used for sending solid fertilizers entering the solid conveying support rods (200) to the outside is arranged inside the main conveying rod;

and the liquid conveying struts (300) are symmetrically arranged at two sides of the part, extending into the accommodating space, of the main conveying rod (100) and are communicated with the liquid conveying cavity (130).

2. The rice planting apparatus of claim 1, wherein: the bottom wall of the containing space is provided with a support block (510) for supporting the main conveying rod (100).

3. The rice planting apparatus of claim 1, wherein: accommodating space lateral wall is provided with breach (520) that supply main conveying pole (100) embedding, main conveying pole (100) embedding breach (520) bottom, filling block (600) are installed in order to seal breach (520) packing in main conveying pole (100) top in breach (520).

4. The rice planting apparatus of claim 3, wherein: the side wall of the gap (520) is provided with an embedding groove (521), and two sides of the filling block (600) are provided with embedded plates (610) corresponding to the embedding groove (521).

5. The rice planting apparatus of claim 4, wherein: the top of the filling block (600) is provided with an installation fixing plate (620), and the installation fixing plate (620) is attached to the upper end of the peripheral wall of the tank body (500) and is fixedly connected through a fastener.

6. The rice planting apparatus of claim 1, wherein: the utility model discloses a solid fertilizer conveying device, including solid conveying branch (200), sealing plate (220), pushing equipment (210) are located between sealing plate (220) and main conveying pole (100), solid conveying branch (200) middle part is equipped with a articulated sealing plate (220), sealing plate (220) are connected with one and promote sealing plate (220) towards the elastic component of main conveying pole (100) motion, pushing equipment (210) can be moved towards discharge gate (201) and open sealing plate (220) in order to carry solid fertilizer to the outside.

7. The rice planting apparatus of claim 6, wherein: the elastic piece is a push rod (230) inserted on the peripheral wall of the solid conveying supporting rod (200) in a sliding mode, the push rod (230) is located on one side, away from the main conveying rod (100), of the sealing plate (220), a thrust spring (232) is connected between the push rod (230) and the peripheral wall of the solid conveying supporting rod (200), and the push rod (230) abuts against the side face of the sealing plate (220) under the action of the thrust spring (232) and pushes the sealing plate (220) to move towards the material pushing mechanism (210).

8. The rice planting apparatus of claim 7, wherein: a limiting plate (240) is arranged in the solid conveying support rod (200), and the sealing plate (220) is in a vertical state and is attached and sealed with the inner wall of the solid conveying support rod (200) when being pushed by the ejector rod (230) to abut against the limiting plate (240).

9. The rice planting apparatus of claim 8, wherein: a push plate (400) attached to the outline of the solid conveying cavity (120) is movably mounted in the solid conveying cavity (120), and a solid conveying port (140) is arranged at one end, close to the opening of the main conveying rod (100), of the solid conveying cavity (120).

10. The rice planting apparatus of claim 9, wherein: the separation plate (110) is provided with a material guide conical plate (111) corresponding to the position of the solid conveying support rod (200), and both sides of the material guide conical plate (111) are provided with circulation holes (112) for guiding the solid fertilizer into the solid conveying support rod (200); the material guide conical plate (111) extends into the solid conveying support rod (200) and is attached to the upper surface of the material pushing mechanism (210).