CN111937540A

CN111937540A - Agricultural fertilizing and seeding device with earthing function

Info

Publication number: CN111937540A
Application number: CN202010889576.3A
Authority: CN
Inventors: 杨先文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-17

Abstract

The invention relates to the technical field of agricultural fertilizing and seeding, in particular to an agricultural fertilizing and seeding device with a soil covering function. In order to solve the technical problems that the existing seeding device cannot punch and fertilize simultaneously, seeding efficiency is low, seeding distance cannot be changed and the like, the invention provides an agricultural fertilizing and seeding device with an earthing function. Through the seeding device, the seeds and the fertilizer are mixed or separately used, so that the seeding device is convenient to seed and fertilize at the same time, water and fill pits to bury, and the seeding efficiency is improved.

Description

Agricultural fertilizing and seeding device with earthing function

Technical Field

The invention relates to the technical field of agricultural fertilizing and seeding, in particular to an agricultural fertilizing and seeding device with a soil covering function.

Background

As a big agricultural country, China is a farmland in twenty percent of land in China, and spring sowing and summer sowing in every year are not timely and can directly influence harvest at the bottom of the year, so that on-time sowing is an important link in agricultural production.

The existing chinese patent application (publication No. CN110121990A) discloses a seeding device for agriculture, which can realize rapid adjustment of the seeding rate of different seeds and rapid removal and storage of the remaining seeds in a storage tank. However, this patent application has at least the following problems that have not been solved: 1. no corresponding device for fertilizing, watering and earthing is provided, the growth condition of seed germination is poor, and the rate of emergence is low; 2. only single-row seeding can be carried out, and when the second row seeding is carried out, the distance between the second row seeding and the first row seeding needs to be measured manually, so that the problems of low efficiency, large workload, high labor intensity and the like exist; 3. the device does not have the device of holing, and the seed directly drops to the top layer on ground, is unfavorable for the growth of seed, and the rate of emergence is lower.

In addition, it is often necessary to apply seed manure near or in admixture with the seeds when the crops are sown or planted. The seed fertilizer can supply nutrients for seed germination and seedling growth and improve environmental conditions. The prior Chinese patent application (publication number: CN110121990A) only provides a seeding mode, but does not provide a technical means for applying seed manure. According to the seeding mode of this patent application, still need extra fertilization means, this will improve the cost of labor greatly, influences work efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an agricultural fertilizing and seeding device with an earthing function, which solves the problems that holes cannot be punched, fertilizer application cannot be carried out, seeding efficiency is low and seeding space cannot be changed simultaneously; meanwhile, different fertilizing modes can be selected according to different seed fertilizers, and the working efficiency is greatly improved.

In order to achieve the purpose, the invention is realized by the following technical scheme: an agricultural fertilizing and seeding device with an earthing function comprises a cart, wherein a seeding device is fixedly connected to the top of the cart, four material guide pipes are nested at the bottom of the seeding device, a watering device is fixedly connected to the right side of the seeding device and fixedly connected to the top of the cart, a discharging device, a hydraulic rod and an earthing plate are fixedly connected to the bottom surface of the cart, a variable-pitch plate is slidably connected to the bottom surface of the cart, eight sliding grooves penetrating through the variable-pitch plate to the bottom surface of the variable-pitch plate are formed in the top surface of the variable-pitch plate, the hydraulic rod is connected with one end of the variable-pitch plate and is positioned on the same plane, and the hydraulic rod can push and pull the variable-pitch; the earthing plate is arranged on the right side of a watering pipe of the watering device; and a punching device is fixedly connected to the left side of the seeding device.

Further preferred, seeder includes the box, and the bottom fixed connection of box is at the top of shallow, seed storehouse and fertilizer storehouse have been seted up in the box, and the bottom of seed storehouse and fertilizer storehouse is respectively through four passage through connections, the bottom of four passage run through the shallow and rather than the unloader through connection of below, the equal swing joint in one side that seed storehouse and fertilizer storehouse inner wall are relative has the transmission shaft, and has cup jointed ejection of compact cylinder on the transmission shaft, one side fixed connection of box and the gear of avris is run through to the one end of transmission shaft, two gears pass through chain swing joint, the first motor of one side fixedly connected with of box, and one side fixed connection of the output of first motor and one of them gear.

Preferably, a plurality of concave holes are formed in the outer wall of the discharging roller at equal intervals along the circumferential direction, and the concave holes correspond to the opening on one side of the material guide pipe; the discharging roller is replaceable, the discharging roller has different specifications, and the quantity and/or the size of concave holes on the outer wall of the discharging roller with different specifications are different.

Further preferably, the concave hole of the discharging roller in the fertilizer bin is larger than the concave hole of the discharging roller in the seed bin.

Further preferably, the concave holes of the discharging roller in the fertilizer bin and the concave holes of the discharging roller in the seed bin are arranged in a staggered mode and respectively correspond to different material guide pipes.

Preferably, twelve concave holes are formed in the outer wall of the discharging roller in an equidistant array mode, and the four concave holes form a group of openings which are respectively located on one side of the four material guide pipes.

Further preferably, watering device includes the water tank, and the bottom fixed connection of water tank is at the top of shallow, the bottom surface overlap joint of water tank inner wall has the water pump, and the output tube of water pump is fixed to be pegged graft and is had watering pipe, and watering pipe's bottom run through shallow and extend to its below.

Preferably, the feeding device comprises a positioning frame, two sides of the top of the positioning frame are fixedly connected to the bottom of the cart, four feeding pipes are inserted into the positioning frame, the top ends of the feeding pipes are fixedly connected with hoses, and the four feeding pipes are fixedly connected with four material guide pipes through the four hoses respectively; the eight sliding chutes are respectively arranged on two sides of the variable pitch plate in a radial shape in a group, and the two groups of sliding chutes are arranged in parallel; the four blanking pipes are respectively inserted into the four sliding chutes in the same group; the positioning frame is composed of four rectangular blocks fixedly connected with a rectangular frame, and is positioned above the sliding groove.

Further preferably, perforating device includes the registration arm, and one side fixed connection of registration arm is in one side of box, the interlude has the slide bar in the registration arm, and has cup jointed the spring on the slide bar, one side fixedly connected with second motor of box, and the output fixedly connected with cam of second motor, the bottom surface of cam is connected with the top surface laminating of slide bar, the bottom fixedly connected with slide rail of slide bar, and sliding connection has four drilling rods in the slide rail, four drilling rods alternate respectively in another set of four spouts.

Preferably, the side section of the material guide pipe is of a Y-shaped structure, and the seed bin and the fertilizer bin are symmetrically arranged on two sides of the material guide pipe respectively by taking the center line of the front surface of the material guide pipe as an axis.

The invention provides an agricultural fertilizing and seeding device with an earthing function, which has the following beneficial effects:

(1) the seeds and the fertilizer are effectively mixed through the material guide pipe, the seeds and the fertilizer are conveniently sown and fertilized simultaneously, the sowing effect is improved, the seeds in the pits are irrigated through the watering pipe and the soil covering plate is filled in the pits to bury the pits, required nutrient elements for the seeds are provided, the crops obtain good growth conditions, and a good foundation is laid for increasing the yield and the harvest.

(2) Through the setting of two ejection of compact cylinders and four stand pipes, increased the line number of single seeding, through the setting of displacement board, make the interval between four stand pipes adjust according to actual conditions, simple structure practicality is stronger, the effectual production efficiency that has improved, less intensity of labour.

(3) The sliding rod is driven to move downwards through the second motor, the drilling rods are driven to drill into the deep part of the ground, the hole punching operation is completed, the movement of the matching variable-pitch plate can change the distance between the four drilling rods and keep the same with the four discharging pipes, so that seeds positioned in the discharging pipes fall into the holes, the seeding operation is completed, the advantages of simplicity in operation, convenience in use and high seeding efficiency are achieved, and continuous seeding can be achieved.

(4) The shrinkage pool through the ejection of compact cylinder that is arranged in the fertilizer storehouse sets up with the shrinkage pool that is arranged in the ejection of compact cylinder in the seed storehouse is crisscross to respectively correspond different passage, make when some kind of fertile unsuitable and seed mixed use, then can separate seed manure and seed and can apply seed manure between two lines of seeds, in order to improve the germination percentage.

(5) The shrinkage pool that lies in the ejection of compact cylinder in the fertilizer storehouse through setting up is greater than the shrinkage pool that lies in the ejection of compact cylinder in the seed storehouse, and the proportion of the rational control fertilizer of being convenient for and seed also can be through the appropriate fine soil of homogeneous mixing in fertilizer simultaneously, not only can reduce the number of times of the ejection of compact cylinder specification in changing the fertilizer storehouse owing to the proportion of adjustment fertilizer and seed, can also improve the germination percentage of seed through mixing fine soil in fertilizer.

Drawings

FIG. 1 is a front cross-sectional view of a structure of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

FIG. 3 is a front cross-sectional view of a structural rail of the present invention;

FIG. 4 is a top view of a structural pitch plate of the present invention.

In the figure: 1. pushing a cart; 2. a seeding device; 201. a box body; 202. a seed bin; 203. a fertilizer bin; 204. a drive shaft; 205. a discharging roller; 206. a gear; 207. a chain; 208. a first motor; 3. a material guide pipe; 4. a watering device; 401. a water tank; 402. a water pump; 403. watering pipes; 5. a blanking device; 501. a positioning frame; 502. a discharging pipe; 503. a hose; 6. a hydraulic lever; 7. a variable pitch plate; 8. a chute; 9. a punching device; 901. a positioning tube; 902. a slide bar; 903. a spring; 904. a second motor; 905. a cam; 906. a slide rail; 907. a drill stem; 10. and (7) a soil covering plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an agricultural fertilizing and seeding device with an earthing function comprises a cart 1, wherein a seeding device 2 is fixedly connected to the top of the cart 1, four material guide pipes 3 are nested at the bottom of the seeding device 2, a watering device 4 is fixedly connected to the right side of the seeding device 2, the watering device 4 is fixedly connected to the top of the cart 1, a blanking device 5, a hydraulic rod 6 and an earthing plate 10 are fixedly connected to the bottom surface of the cart 1, a variable-pitch plate 7 is slidably connected to the bottom surface of the cart 1, eight sliding grooves 8 penetrating through the top surface of the variable-pitch plate 7 to the bottom surface of the variable-pitch plate 7 are formed in the top surface of the variable-pitch plate 7, the hydraulic rod 6 is connected with one end of the variable-pitch plate 7 and is located on the same plane; the earthing plate 10 is arranged at the right side of the watering pipe 403 of the watering device 4; the left side of the seeding device 2 is fixedly connected with a perforating device 9.

The seeding device 2 comprises a box body 201, the bottom of the box body 201 is fixedly connected to the top of a cart 1, a seed bin 202 and a fertilizer bin 203 are arranged in the box body 201, the bottoms of the seed bin 202 and the fertilizer bin 203 are respectively communicated through four material guide pipes 3, the bottom ends of the four material guide pipes 3 penetrate through the cart 1 and are communicated with a blanking device 5 below the cart, one sides of the inner walls of the seed bin 202 and the fertilizer bin 203, which are opposite to each other, are movably connected with a transmission shaft 204, a discharging roller 205 is sleeved on the transmission shaft 204, one end of the transmission shaft 204 penetrates through the box body 201 and is fixedly connected with one side of a gear 206 on the side of the box body, two gears 206 are movably connected through a chain 207, one side of the box body 201 is fixedly connected with a first motor 208, and the output end of the.

A plurality of concave holes are formed in the outer wall of the middle discharging roller 205 at equal intervals along the circumferential direction, and the concave holes correspond to the opening on one side of the material guide pipe 3. The discharging roller 205 is replaceable, the discharging roller 205 has different specifications, and the number and/or the size of concave holes on the outer wall of the discharging roller 205 with different specifications are different. The recesses may be hemispherical.

The concave hole of the discharging roller 205 positioned in the fertilizer bin 203 is larger than the concave hole of the discharging roller 205 positioned in the seed bin 202. For example, the volume of the concave hole of the discharging roller 205 located in the compost bin 203 is 2-10 times the volume of the concave hole of the discharging roller 205 located in the seed bin 202. The amount of fertilizer applied during sowing is often greater than the amount of seeds. The ratio of fertilizer to seeds can be reasonably controlled by selecting the concave hole of the discharging roller 205 in the fertilizer bin to be larger than the concave hole of the discharging roller 205 in the seed bin 202. In addition, the concave hole of the discharging roller 205 in the fertilizer bin 203 is selected to have a large volume, and the fertilizer can be evenly mixed with appropriate fine soil and then mixed with seeds in the discharging pipe 502 to enter the same pit formed by the punching device 9. Thus, not only can the number of times of changing the specification of the discharging roller 205 in the fertilizer bin 203 by adjusting the ratio of the fertilizer to the seeds be reduced, but also the germination rate of the seeds can be improved by mixing fine soil in the fertilizer.

In the invention, the volume of the concave hole of the discharging roller 205 positioned in the fertilizer bin 203 has various specifications, and the concave hole of the discharging roller 205 positioned in the seed bin 202 also has various specifications so as to adapt to the adjustment of seeds with different sizes and fertilizing amount.

In the invention, concave holes of the discharging roller 205 positioned in the fertilizer bin 203 and concave holes of the discharging roller 205 positioned in the seed bin 202 are arranged in a staggered manner and respectively correspond to different material guide pipes 3. For example, two circles of concave holes are arranged on the outer wall of the discharging roller 205 in the fertilizer bin 203 at equal intervals along the circumferential direction, and each circle of concave holes is 3; the discharge roller 205 in the seed bin 202 is provided with two circles of concave holes at the outer wall at equal intervals along the circumferential direction, each circle of concave hole is 3, but the two circles of concave holes of the discharge roller 205 in the fertilizer bin 203 are arranged at the outer wall at equal intervals along the circumferential direction, and the two circles of concave holes of the discharge roller 205 in the seed bin 202 are arranged at equal intervals along the circumferential direction at the outer wall in a staggered manner and respectively correspond to different material guide pipes 3. With reference to fig. 1 and 2, if 4 material guiding pipes 3 in fig. 2 are numbered as 1, 2, 3, and 4 sequentially from left to right, two circles of concave holes formed in the outer wall of the discharging roller 205 in the fertilizer bin 203 at equal intervals along the circumferential direction correspond to the material guiding pipe No. 1 and the material guiding pipe No. 3, or the material guiding pipe No. 2 and the material guiding pipe No. 4, respectively; two circles of concave holes which are formed in the outer wall of the discharging roller 205 in the seed bin 202 at equal intervals along the circumferential direction correspond to the No. 2 material guide pipe and the No. 4 material guide pipe respectively, or the No. 1 material guide pipe and the No. 3 material guide pipe respectively. The staggered arrangement can separate the seed manure from the seeds and can apply the seed manure between two rows of seeds when certain seed manure is not suitable for being mixed with the seeds. Then irrigating by the irrigating device 4.

In addition, the discharging roller can be arranged as follows: twelve concave holes are formed in the outer wall of the discharging roller 205 in an equidistant array, and four concave holes are a group and respectively correspond to the openings on one side of the four material guide pipes 3. When certain kind of seed manure that the selection can use with the seed mixture, so set up, but four lines of simultaneous seeding improve seeding efficiency greatly.

The irrigation device 4 comprises a water tank 401, the bottom of the water tank 401 is fixedly connected to the top of the trolley 1, a water pump 402 is lapped on the bottom surface of the inner wall of the water tank 401, an output pipe of the water pump 402 is fixedly inserted with a watering pipe 403, and the bottom end of the watering pipe 403 penetrates through the trolley 1 and extends to the lower part of the trolley. Utilize watering device 4, can in time water to the seed after the seeding, improve soil water content, reduce the injury that seed manure probably caused to the seed, promote the sprouting of seed. When the seed manure and the seeds are positioned in different pits, the irrigating device 4 irrigates the seeds and the seed manure respectively, the seeds are easy to sprout after absorbing water, and the seeds and the fertilizer can dissolve nutrients in soil after absorbing water so as to be absorbed by the seeds.

The middle blanking device 5 comprises a positioning frame 501, two sides of the top of the positioning frame 501 are fixedly connected to the bottom of the cart 1, four blanking pipes 502 are inserted into the positioning frame 501 in a penetrating manner, the top ends of the blanking pipes 502 are fixedly connected with hoses 503, and the four blanking pipes 502 are fixedly connected with four material guide pipes 3 through the four hoses 503 respectively; the eight sliding chutes 8 are respectively arranged on two sides of the variable pitch plate 7 in a radial shape in a group of four, and the two groups of sliding chutes 8 are arranged in parallel; the four blanking pipes 502 are respectively inserted into the same group of four sliding grooves 8, the positioning frame 501 is formed by fixedly connecting four rectangular blocks with a rectangular frame, and the positioning frame 501 is located above the sliding grooves 8.

The punching device 9 comprises a positioning pipe 901, one side of the positioning pipe 901 is fixedly connected to one side of a box body 201, a sliding rod 902 is inserted into the positioning pipe 901, a spring 903 is sleeved on the sliding rod 902, a second motor 904 is fixedly connected to one side of the box body 201, a cam 905 is fixedly connected to the output end of the second motor 904, the bottom surface of the cam 905 is connected with the top surface of the sliding rod 902 in a fit mode, a sliding rail 906 is fixedly connected to the bottom end of the sliding rod 902, four drill rods 907 are connected in the sliding rail 906 in a sliding mode, and the four drill rods 907 are inserted into the other four sliding grooves 8 respectively.

In the invention, the side section of the material guide pipe 3 is of a Y-shaped structure, and the seed bin 202 and the fertilizer bin 203 are respectively arranged at two sides of the material guide pipe 3 by taking the center line of the front surface of the material guide pipe as an axis symmetry.

According to the invention, seeds and fertilizer can be effectively mixed through the material guide pipes 3, so that the seeds and the fertilizer can be conveniently sown at the same time, the sowing effect is improved, meanwhile, the seeds in pits are irrigated through the watering pipes 403, the earth covering plates 10 are filled in the pits and buried, nutrient elements required for growth are provided for the seeds, so that crops can obtain good growth conditions, a foundation is laid for increasing yield and harvest, the number of rows of single sowing is increased through the arrangement of the two discharging rollers 205 and the four material guide pipes 3, the distance between the four material guide pipes 3 can be adjusted according to actual conditions through the arrangement of the variable pitch plates 7, the structure is simple, the practicability is strong, the production efficiency is effectively improved, and the labor intensity is less. Drive slide bar 902 through second motor 904 and move down, utilize drilling rod 907 to dig into to ground depths, accomplish the operation of holing, the removal of cooperation displacement board 7 can change the interval between four drilling rods 907 and keep unanimous with four unloading pipe 502 for the seed that is located unloading pipe 502 inside falls into the hole, accomplishes the seeding operation, has easy operation, convenient to use and advantage that the seeding is efficient, can realize the continuity seeding. When the concave hole of the discharging roller 205 positioned in the fertilizer bin 203 and the concave hole of the discharging roller 205 positioned in the seed bin 202 are selected to be staggered and respectively correspond to different material guide pipes 3, seed manure and seeds can be separated and applied between two rows of seeds, the conditions that the device cannot be used when certain seed manure is not suitable for being mixed with the seeds are avoided, and the like, and therefore the multifunctional application of the device is realized.

The working principle is as follows: when selecting seeds and fertilizers which can be mixed with seeds for use, the seeds and the fertilizers are respectively poured into the seed bin 202 and the fertilizer bin 203, the length of the hydraulic rod 6 is changed, the distance-changing plate 7 is transversely slid and displaced, the eight chutes 8 respectively drive the four discharging pipes 502 and the four drill rods 907 to longitudinally change the distance in the positioning frame 501 and the slide rail 906, the second motor 904 is started, the cam 905 is driven to rotate to press the slide rod 902 downwards, the slide rail 906 drives the four drill rods 907 to press below the ground surface to complete the punching operation, the cart 1 moves forwards, the seeds and the fertilizers fall into longitudinal concave holes in the outer walls of the two discharging rollers 205 respectively, the first motor 208 is started, the two transmission shafts 204 simultaneously rotate through the two gears 206 and the chain 207, the seeds and the fertilizers simultaneously fall into the hose 503 through the top ends on the two sides of the material guide pipe 3 and fall into the pit through the discharging pipe 502, the soil is pumped by a water pump 402 and irrigated into the pot hole through a watering pipe 403, and the soil covering plate 10 pushes the soil layer on the ground surface to cover the pot hole, so that the seeding operation can be completed. When the seed manure which can not be mixed with the seeds is selected, concave holes of the discharging roller 205 in the fertilizer bin 203 and concave holes of the discharging roller 205 in the seed bin 202 are arranged in a staggered mode and respectively correspond to different material guide pipes 3. The rest working processes are similar to the working processes, and finally, the seeds and the seed manure are respectively put into different pot holes through different material guide pipes 3, and then are irrigated, covered with soil and the like.

Claims

1. The utility model provides an agricultural fertilizing and seeding device with earthing function, includes shallow (1), its characterized in that: the seeding device (2) is fixedly connected to the top of the cart (1), four material guide pipes (3) are nested at the bottom of the seeding device (2), the watering device (4) is fixedly connected to the right side of the seeding device (2), the watering device (4) is fixedly connected to the top of the cart (1), the blanking device (5), the hydraulic rod (6) and the soil covering plate (10) are fixedly connected to the bottom surface of the cart (1), the variable-pitch plate (7) is slidably connected to the bottom surface of the cart (1), eight sliding grooves (8) penetrating through the variable-pitch plate (7) are formed in the top surface of the variable-pitch plate (7), the hydraulic rod (6) is connected with one end of the variable-pitch plate (7) and is located on the same plane, and the hydraulic rod (6) can push and pull the variable-pitch plate (7) to move left and right; the earthing plate (10) is arranged on the right side of a watering pipe of the watering device (4); the left side of the seeding device (2) is fixedly connected with a punching device (9).

2. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: the seeding device (2) comprises a box body (201), the bottom of the box body (201) is fixedly connected to the top of a cart (1), a seed bin (202) and a fertilizer bin (203) are arranged in the box body (201), the bottoms of the seed bin (202) and the fertilizer bin (203) are respectively connected through four guide pipes (3), the bottom ends of the four guide pipes (3) penetrate through the cart (1) and are connected with a blanking device (5) below the cart in a penetrating manner, one side, opposite to the inner walls of the seed bin (202) and the fertilizer bin (203), of each guide pipe is movably connected with a transmission shaft (204), a discharging roller (205) is sleeved on each transmission shaft (204), one end of each transmission shaft (204) penetrates through one side of the box body (201) and a gear (206) on the side of the transmission shaft, the two gears (206) are movably connected through chains (207), one side of the box body (201) is fixedly connected with a first motor (208), and the output end of the first motor (208) is fixedly connected with one side of one gear (206).

3. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: a plurality of concave holes are formed in the outer wall of the discharging roller (205) at equal intervals along the circumferential direction, and the concave holes correspond to the opening on one side of the material guide pipe (3); the discharging roller (205) is replaceable, the discharging roller (205) has different specifications, and the number and/or the size of concave holes on the outer wall of the discharging roller (205) with different specifications are different.

4. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: the concave hole of the discharging roller (205) in the fertilizer bin (203) is larger than that of the discharging roller (205) in the seed bin (202).

5. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: concave holes of the discharging roller (205) in the fertilizer bin (203) and concave holes of the discharging roller (205) in the seed bin (202) are arranged in a staggered mode and correspond to different material guide pipes (3) respectively.

6. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: twelve concave holes are formed in the outer wall of the discharging roller (205) in an equidistance array mode, and the four concave holes form a group and are respectively located at openings on one side of the four material guide pipes (3).

7. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: watering device (4) include water tank (401), and the bottom fixed connection of water tank (401) is at the top of shallow (1), the bottom surface overlap joint of water tank (401) inner wall has water pump (402), and the output tube of water pump (402) is fixed to be pegged graft and is had watering pipe (403), and the bottom of watering pipe (403) runs through shallow (1) and extends to its below.

8. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 1, characterized in that: the blanking device (5) comprises a positioning frame (501), two sides of the top of the positioning frame (501) are fixedly connected to the bottom of the trolley (1), four blanking pipes (502) are inserted into the positioning frame (501), the top ends of the blanking pipes (502) are fixedly connected with hoses (503), and the four blanking pipes (502) are fixedly connected with four material guide pipes (3) through the four hoses (503) respectively; the eight sliding chutes (8) are respectively arranged on two sides of the variable pitch plate (7) in a radial shape in a group of four, and the two groups of sliding chutes (8) are arranged in parallel; the four discharging pipes (502) are respectively inserted into the four sliding grooves (8) in the same group, the positioning frame is formed by fixedly connecting four rectangular blocks with the rectangular frame, and the positioning frame is positioned above the sliding grooves.

9. An agricultural fertilizing and seeding device with soil covering function as claimed in claim 8, characterized in that: the punching device (9) comprises a positioning pipe (901), one side of the positioning pipe (901) is fixedly connected to one side of a box body (201), a sliding rod (902) is inserted into the positioning pipe (901), a spring (903) is sleeved on the sliding rod (902), one side of the box body (201) is fixedly connected with a second motor (904), an output end of the second motor (904) is fixedly connected with a cam (905), the bottom surface of the cam (905) is attached to the top surface of the sliding rod (902), a sliding rail (906) is fixedly connected to the bottom end of the sliding rod (902), four drill rods (907) are slidably connected into the sliding rail (906), and the four drill rods (907) are inserted into another group of four sliding grooves (8) respectively.

10. The agricultural fertilizing and seeding device with the soil covering function as claimed in claim 2, characterized in that: the side section of the material guide pipe (3) is of a Y-shaped structure, and the seed bin (202) and the fertilizer bin (203) are symmetrically arranged on two sides of the material guide pipe (3) by taking the center line of the front surface of the material guide pipe as an axis.