Uniform fertilization device for deep scarification seeding space

Abstract

The utility model relates to the technical field of agricultural fertilization and seeding, in particular to a deep scarification seeding space uniform fertilization device which comprises a frame body, a deep scarification plough leg and a shallow side scarification plough leg are installed on the frame body, and a deep scarification plough share is fixedly installed on the front side of the lower end of the deep scarification plough leg. The front side of the lower end of the shallow-layer side-loosening plough leg is fixedly provided with a shallow-layer side-loosening plough share; a fertilizer box is fixedly installed at the front end of the upper portion of the frame body, a first discharging hopper and a second discharging hopper which are symmetrical front and back are arranged in the fertilizer box, and a first fertilizer discharging mechanism and a second fertilizer discharging mechanism are fixedly installed at the bottom of the first discharging hopper and the bottom of the second discharging hopper. By rotating the soil rotating claw, the fertilizer applied into the deep soil through the deep fertilization pipe is uniformly distributed and is beneficial to contact and absorption of crop root systems, so that the situation that the fertilizer is excessively concentrated in the deep soil to form a line, so that crops cannot absorb and utilize the fertilizer in time, the growth of the crops is influenced and the fertilizer loss is serious is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural fertilization seeding technical field, concretely is a kind of deep loosening seeding space uniform fertilization device. BACKGROUND

[0002] When planting field crops, in order to promote crop growth, it is necessary to fertilize the crops to supplement soil nutrients. Scientific and reasonable fertilization is of great significance to improve China's grain yield, save fertilizer, reduce emissions, maintain soil stability and promote sustainable agricultural development.

[0003] Most of the existing fertilizer deep application devices apply fertilizer at a position far below the seeds, which causes the fertilizer to exist in a line form in the deep soil, resulting in uneven distribution of fertilizer below the seeds, so that the crops cannot obtain fertilizer in time during the growth period, and the growth and development of crops are limited. In addition, the inter-row fertilizer is missing, causing the crop root system to grow weakly and laterally, and the resistance to lodging is poor. Furthermore, the fertilizer in the deep soil that is not timely absorbed and utilized by crops often causes volatilization loss and leaching loss and pollutes the environment. Therefore, a deep loosening seeding space uniform fertilization device is urgently needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of deep loosening seeding space uniform fertilization device to solve the problems raised in the above background.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A kind of deep loosening seeding space uniform fertilization device, including frame body, deep loosening plow leg and shallow layer side loosening plow leg are installed on the frame body, deep loosening plow leg lower end front side is fixedly installed with deep loosening plow share, shallow layer side loosening plow leg lower end front side is fixedly installed with shallow layer side loosening plow share;

[0007] The frame body upper side front end is fixedly installed with fertilizer box, fertilizer box is equipped with front and back symmetrical first discharge hopper and second discharge hopper, first discharge hopper and second discharge hopper bottom are fixedly installed with first fertilizer distribution mechanism and second fertilizer distribution mechanism, first fertilizer distribution mechanism output end is connected with first fertilizer conveying pipe and second fertilizer conveying pipe, and second fertilizer distribution mechanism output end is connected with side application fertilizer conveying pipe;

[0008] First fertilizer conveying pipe and second fertilizer conveying pipe lower end are respectively screw-connected with first screw pipe and second screw pipe, and first screw pipe and second screw pipe lower end are respectively fixedly installed with first deep layer fertilizer pipe and second deep layer fertilizer pipe, deep layer fertilizer box is installed on the rear side of deep loosening plow leg lower end, and first deep layer fertilizer pipe and second deep layer fertilizer pipe are located in deep layer fertilizer box.

[0009] Preferably, the lower end of the side application fertilizer pipe is threadedly connected with a third screw pipe, the lower end of the third screw pipe is fixedly installed with a shallow layer side application fertilizer pipe, the lower end of the shallow layer side application fertilizer pipe is fixedly installed with a shallow layer side application fertilizer box, and the shallow layer side application fertilizer pipe is located in the shallow layer side application fertilizer box.

[0010] Preferably, the first fertilizer discharging mechanism comprises a first discharging wheel installed in the first discharging hopper, a first discharging box fixedly installed at the bottom of the first discharging hopper and below the first discharging wheel, a first connecting rod rotatably connected to the fertilizer box, and the first discharging wheel is fixedly installed on the first connecting rod.

[0011] Preferably, the frame body is fixedly installed with a soil rotating motor and a first mounting seat, and the frame body is provided with a soil rotating device, which comprises a mounting horizontal rod installed on the frame body, a bearing sleeved outside the mounting horizontal rod, a rotating rod sleeved outside the bearing, a soil rotating claw fixedly installed outside the rotating rod, a ring groove formed at the right end of the outer side of the rotating rod, a transmission belt arranged at the output end of the soil rotating motor, and the output end of the soil rotating motor is connected with the rotating rod through the transmission belt.

[0012] Preferably, the lower end of the first fertilizer conveying pipe, the second fertilizer conveying pipe and the side application fertilizer pipe is respectively provided with a first external thread, a second external thread and a third external thread.

[0013] Preferably, the upper end of the first screw pipe, the second screw pipe and the third screw pipe is respectively provided with a first internal thread, a second internal thread and a third internal thread.

[0014] Preferably, the first fertilizer conveying pipe and the second fertilizer conveying pipe are provided with a deep application fixing mechanism, the deep application fixing mechanism is fixedly installed with the deep loosening plow leg, and the side application fertilizer pipe is provided with a side application fixing mechanism, and the side application fixing mechanism is fixedly installed with the shallow layer side loosening plow leg.

[0015] Preferably, the deep application fixing mechanism comprises a deep application fixing rod, a deep application first fixing ring, a deep application second fixing ring, a first screw hole and a first screw, and the side application fixing mechanism comprises a side application fixing rod, a side application fixing ring, a second screw hole and a second screw.

[0016] Preferably, the frame body is fixedly installed with a seed box, the frame body is installed below with a second mounting seat, and the second mounting seat is installed below with a roller.

[0017] The utility model discloses a beneficial effect:

[0018] One, the utility model discloses a design that is used in cooperation with the installation of soil rotating device and deep layer fertilization device, rotates the soil claw, makes the fertilizer that is applied in the deep layer soil through the deep layer fertilization pipe distribute evenly, is favorable to crop root system contact and absorption, thereby avoids the fertilizer excessive concentration in the deep layer soil and presents a line, causes crop to be unable to absorb and utilize in time, influences crop growth, and the fertilizer loss is serious.

[0019] The utility model discloses a shallow layer side fertilization device is installed, and a part of fertilizer is shallowly applied to the row, is favorable for the root system growth in longitudinal direction, promotes the root system transverse growth, realizes the strong root, strengthens the crop lodging resistance, thereby avoids the weak root and weak seedling of the root system because of the row lack fertilizer supply. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, also can obtain other drawing according to these drawings;

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 For the utility model Figure 1 Middle fertilizer tank front view sectional schematic diagram;

[0023] Figure 3 For the utility model Figure 1 Middle soil turning device three-dimensional structure schematic diagram;

[0024] Figure 4 For the utility model Figure 1 Middle deep layer fertilization box and shallow layer side fertilization box structure schematic diagram;

[0025] Figure 5 For the utility model Figure 4 First fertilizer pipe, second fertilizer pipe and side fertilization fertilizer pipe structure schematic diagram in the utility model;

[0026] Figure 6 For the utility model Figure 4 Deep application fixed mechanism and side application fixed mechanism structure schematic diagram in the utility model;

[0027] Figure 7 For the utility model Figure 1 Deep plough share and shallow layer side plough share structure schematic diagram in the utility model.

[0028] The reference signs in the drawing are as follows:

[0029] 1, frame body; 2, subsoiling plow leg; 2-1, subsoiling first screw hole; 2-2, subsoiling second screw hole; 3, subsoiling plow share; 3-1, plow share first fixing screw; 3-2, plow share second fixing screw; 4, fertilizer box; 5, first discharge hopper; 6, first fertilizer discharging mechanism; 6-1, first discharge wheel; 6-2, first discharge box; 6-3, first connecting rod; 6-4, first sprocket; 7, first fertilizer conveying pipe; 7-1, first external thread; 8, second fertilizer conveying pipe; 8-1, second external thread; 9, first screw pipe; 9-1, first internal thread; 10, second screw pipe; 10-1, second internal thread; 11, first deep layer fertilizer pipe; 12, second deep layer fertilizer pipe; 13, deep layer fertilizer box; 13-1, deep layer fertilizer box first fixing screw; 13-2, deep layer fertilizer box second fixing screw; 14, shallow layer side loosening plow leg; 14-1, side loosening first screw hole; 14-2, side loosening second screw hole; 15, shallow layer side loosening plow share; 15-1, plow share third fixing screw; 15-2, plow share fourth fixing screw; 16, second discharge hopper; 17, second fertilizer discharging mechanism; 18, side fertilizer conveying pipe; 18-1, third external thread; 19, third screw pipe; 19-1, third internal thread; 20, shallow layer side fertilizer pipe; 21, shallow layer side fertilizer box; 21-1, side fertilizer box first fixing screw; 21-2, side fertilizer box second fixing screw; 22, soil turning motor; 23, conveying belt; 24, first mounting seat; 25, soil turning device; 25-1, mounting cross rod; 25-2, bearing; 25-3, rotating rod; 25-4, soil turning claw; 25-5, annular groove; 26, seed box; 27, second mounting seat; 28, roller; 29, fertilizer box fixing support; 30, deep layer fertilizer fixing mechanism; 30-1, deep layer fertilizer fixing rod; 30-2, deep layer fertilizer first fixing ring; 30-3, deep layer fertilizer second fixing ring; 30-4, first screw hole; 30-5, first screw; 31, side fertilizer fixing mechanism; 31-1, side fertilizer fixing rod; 31-2, side fertilizer fixing ring; 31-3, second screw hole; 31-4, second screw. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] As Figure 1 A subsoiling and seeding space uniform fertilizer device, comprising a frame body 1, the frame body 1 is provided with a subsoiling plow leg 2 and a shallow layer side loosening plow leg 14, a subsoiling plow share 3 is fixedly installed at the front side of the lower end of the subsoiling plow leg 2, and a shallow layer side loosening plow share 15 is fixedly installed at the front side of the lower end of the shallow layer side loosening plow leg 14.

[0032] The deep plough share 3 arranged on the frame body 1 makes the deep soil soft after being deep ploughed by the deep plough share 3, so that the fertilizer is conveniently layered into the deep soil from the first deep fertilizer pipe 11 and the second deep fertilizer pipe 12;

[0033] The shallow side loosening plough share 15 arranged on the frame body 1 makes the inter-row soil soft after being side loosened by the shallow side loosening plough share 15, so that the fertilizer is conveniently applied into the inter-row soil from the shallow side fertilizer pipe 20, thereby avoiding the phenomenon of no fertilizer in the inter-row caused by the conventional fertilizer distributor, providing fertilizer for the lateral growth of crop roots, promoting the crop to absorb the inter-row fertilizer, and improving the lodging resistance of the crop.

[0034] The fertilizer box 4 is fixedly installed on the front upper end of the frame body 1, and the fertilizer box 4 is internally provided with the front and rear symmetrical first discharge hopper 5 and the second discharge hopper 16. The first discharge hopper 5 and the second discharge hopper 16 are fixedly installed with the first fertilizer discharging mechanism 6 and the second fertilizer discharging mechanism 17 at the bottom. The first fertilizer discharging mechanism 6 is connected with the first fertilizer conveying pipe 7 and the second fertilizer conveying pipe 8 at the output end. The second fertilizer discharging mechanism 17 is connected with the side fertilizer conveying pipe 18 at the output end.

[0035] The deep fertilizer fixing mechanism 30 is arranged on the first fertilizer conveying pipe 7 and the second fertilizer conveying pipe 8, and the deep fertilizer fixing mechanism 30 is fixedly installed with the deep loosening plough leg 2.

[0036] As shown in Figure 1 , Figure 4 and Figure 5 , the first fertilizer conveying pipe 7 and the second fertilizer conveying pipe 8 are respectively threadedly connected with the first screw pipe 9 and the second screw pipe 10 at the lower end. The side fertilizer conveying pipe 18 is threadedly connected with the third screw pipe 19 at the lower end.

[0037] The first fertilizer conveying pipe 7, the second fertilizer conveying pipe 8 and the side fertilizer conveying pipe 18 are respectively provided with the first external thread 7-1, the second external thread 8-1 and the third external thread 18-1 at the lower end. The first screw pipe 9, the second screw pipe 10 and the third screw pipe 19 are respectively provided with the first internal thread 9-1, the second internal thread 10-1 and the third internal thread 19-1 at the upper end, so as to realize the threaded connection of the first fertilizer conveying pipe 7 and the first screw pipe 9, the threaded connection of the second fertilizer conveying pipe 8 and the second screw pipe 10, and the threaded connection of the side fertilizer conveying pipe 18 and the third screw pipe 19.

[0038] The first deep fertilizer pipe 11 and the second deep fertilizer pipe 12 are fixedly installed at the lower end of the first screw pipe 9 and the second screw pipe 10 respectively. The deep fertilizer box 13 is installed at the rear side of the lower end of the deep loosening plough leg 2. The first deep fertilizer pipe 11 and the second deep fertilizer pipe 12 are located in the deep fertilizer box 13.

[0039] The deep fertilization box 13 is provided with a deep fertilization box first fixing screw 13-1 and a deep fertilization box second fixing screw 13-2 on both sides near the lower end of the deep plough leg 2, and the deep fertilization box 13 is installed to the lower end of the deep plough leg 2 by using the deep fertilization box first fixing screw 13-1 and the deep fertilization box second fixing screw 13-2;

[0040] The deep plough leg 2 is provided with a deep first screw hole 2-1 and a deep second screw hole 2-2 on the rear side of the lower end, the first screw hole 2-1 is used in cooperation with the deep fertilization box first fixing screw 13-1, and the deep second screw hole 2-2 is used in cooperation with the deep fertilization box second fixing screw 13-2.

[0041] As Figure 1 , Figure 4 and Figure 5 , the side fertilization fixed mechanism 31 is fixedly installed on the side fertilization and fertilization pipe 18 and the shallow side plough leg 14, the third screw pipe 19 is threadedly connected to the lower end of the side fertilization and fertilization pipe 18, the shallow side fertilization pipe 20 is fixedly installed at the lower end of the third screw pipe 19, the shallow side fertilization box 21 is installed on the rear side of the lower end of the shallow side plough leg 14, and the shallow side fertilization pipe 20 is located in the shallow side fertilization box 21.

[0042] The shallow side fertilization box 21 is provided with a side fertilization box first fixing screw 21-1 and a side fertilization box second fixing screw 21-2 on both sides near the lower end of the shallow side plough leg 14, and the shallow side fertilization box 21 is installed to the lower end of the shallow side plough leg 14 by using the side fertilization box first fixing screw 21-1 and the side fertilization box second fixing screw 21-2.

[0043] The shallow side plough leg 14 is provided with a side first screw hole 14-1 and a side second screw hole 14-2 on the rear side of the lower end, the first screw hole 14-1 is used in cooperation with the side fertilization box first fixing screw 21-1, and the side second screw hole 14-2 is used in cooperation with the side fertilization box second fixing screw 21-2.

[0044] As Figure 1 and Figure 2 , the first row of fertilizer mechanism 6 comprises a first lower wheel 6-1 installed in the first lower hopper 5, a first lower box 6-2 fixedly installed at the bottom of the first lower hopper 5 and below the first lower wheel 6-1, a first connecting rod 6-3 rotatably connected to the fertilizer box 4, the first lower wheel 6-1 being fixedly installed on the first connecting rod 6-3, and a first sprocket 6-4 being installed at the right end of the first connecting rod 6-3.

[0045] The structure of the second fertilizer feeding mechanism 17 is the same as that of the first fertilizer feeding mechanism 6, the first sprocket 6-4 extends to the outside of the first hopper 5, and is connected to the sprocket on the second fertilizer feeding mechanism 17 through a transmission chain, so that the external motor is connected to one of the sprockets, which can simultaneously drive the sprockets on the first fertilizer feeding mechanism 6 and the second fertilizer feeding mechanism 17 to rotate, and finally make the discharge wheel rotate in the first hopper 5 and the second hopper 16 to realize discharging.

[0046] As Figure 1 and Figure 3 , the frame body 1 is fixedly provided with a soil turning motor 22 and a first mounting seat 24, and a soil turning device 25 is arranged on the frame body 1. The soil turning device 25 comprises a mounting cross rod 25-1 mounted on the frame body 1, a bearing 25-2 sleeved outside the mounting cross rod 25-1, a rotating rod 25-3 sleeved outside the bearing 25-2, a soil turning claw 25-4 fixedly mounted outside the rotating rod 25-3, and a ring groove 25-5 formed in the outer side right end of the rotating rod 25-3. The output end of the soil turning motor 22 is provided with a transmission belt 23, and the output end of the soil turning motor 22 is connected with the rotating rod 25-3 through the transmission belt 23;

[0047] The soil turning motor 22 has a ring groove corresponding to the transmission belt 23, and the transmission belt 23 is connected at both ends to the ring groove 25-5 outside the rotating rod 25-3 and the ring groove at the output end of the motor. When the soil turning motor 22 is started, the soil turning motor 22 drives the rotating rod 25-3 to rotate through the transmission belt 23, and the rotating rod 25-3 drives the soil turning claw 25-4 to rotate to turn the soil and mix the soil and the fertilizer;

[0048] As Figure 1 , Figure 3 and Figure 4 , the soil turning device 25 is located directly behind the deep fertilization box 13, the soil turning claw 25-4 of the soil turning device 25 is flush with the upper end of the deep fertilization box 13, the soil turning motor 22 drives the soil turning device 25 to rotate, the soil turning device 25 penetrates into the deep soil along with the deep loosening plow during the deep loosening operation, the fertilizer is layered applied to the deep soil through the first deep fertilization pipe 11 and the second deep fertilization pipe 12, and the soil turning device 25 mixes the fertilizer layered applied to the deep soil with the soil, so that the fertilizer exists in the deep soil in a three-dimensional form, thereby avoiding the fertilizer applied to the deep soil from being gathered in a strip form, causing the crops to be unable to timely absorb and utilize the fertilizer during the early growth period, and resulting in limited growth and development of the crops and loss of the fertilizer.

[0049] As Figure 1 , Figure 4 and Figure 7The deep scarifier share 3 is provided with a first share fixing screw 3-1 and a second share fixing screw 3-2, which are used to assist in mounting the deep scarifier share 3 to the deep scarifier leg 2; the shallow side scarifier share 15 is provided with a third share fixing screw 15-1 and a fourth share fixing screw 15-2, which are used to assist in mounting the shallow side scarifier share 15 to the shallow side scarifier leg 14.

[0050] As shown in Figure 1 , Figure 4 and Figure 6 , the deep application fixing mechanism 30 comprises a deep application fixing rod 30-1, a deep application first fixing ring 30-2, a deep application second fixing ring 30-3, a first screw hole 30-4 and a first screw 30-5, wherein the deep application fixing rod 30-1 is fixed on the deep scarifier leg 2, and the deep application first fixing ring 30-2 and the deep application second fixing ring 30-3 are fixed on the outer surfaces of the first fertilizer pipe 7 and the second fertilizer pipe 8 respectively.

[0051] The side application fixing mechanism 31 comprises a side application fixing rod 31-1, a side application fixing ring 31-2, a second screw hole 31-3 and a second screw 31-4, wherein the side application fixing rod 31-1 is fixed on the shallow side scarifier leg 14, and the side application fixing ring 31-2 is fixed on the outer surface of the side application fertilizer pipe 18.

[0052] As shown in Figure 1 , the frame body 1 is fixedly provided with a seed box 26, and the bottom of the seed box 26 is connected with a pipeline provided with a valve; when the valve is opened, the seeds can fall into the soil; the frame body 1 is provided below with a second mounting seat 27, and the lower end of the second mounting seat 27 is provided with a roller 28.

[0053] Working principle: when the seeding machine moves, the deep scarifier share 3 performs ditching and loosens the soil, and the fertilizer will directly enter the soil through the first deep layer fertilizer pipe 11 and the second deep layer fertilizer pipe 12; since the soil turning device 25 is located right behind the first deep layer fertilizer pipe 11 and the second deep layer fertilizer pipe 12, the upper edge of the soil turning claw 25-4 of the soil turning device 25 is flush with the upper edge of the deep layer fertilizer box 13, the lower edge of the soil turning claw 25-4 is flush with the bottom end of the deep scarifier share 3, and the transverse width of the soil turning claw 25-4 is the same as the cross-sectional diameter of the deep scarifier leg 2, so after the deep layer fertilization, the soil turning device 25 can mix the fertilizer applied in the deep layer soil with the soil, and make the fertilizer exist in the form of a solid body with a width of the cross-sectional diameter of the deep scarifier leg 2 and a height from the upper edge of the deep layer fertilizer box to the lower edge of the deep scarifier share in the deep layer soil, so as to expand the distribution range of the fertilizer in the soil, and facilitate the crops to timely absorb and utilize the fertilizer.

[0054] When the soil needs to be turned, the transmission belt 23 is connected with the ring groove 25-5, the soil turning motor 22 is started, the transmission belt 23 drives the rotating rod 25-3 to rotate, so that the soil turning claw 25-4 fixed on the outer side of the rotating rod 25-3 rotates to turn the soil.

[0055] When the seeder moves, the shallow side loosening share 15 opens a ditch and loosens the soil, and the fertilizer enters the inter-row soil through the shallow side fertilizer pipe 20, so that the inter-row soil is distributed with the fertilizer, and the lateral growth of the crop root system is facilitated.

[0056] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A deep-buried seeding space uniform fertilizer application device comprising a frame body (1), characterized in that, The frame body (1) is provided with a deep plough leg (2) and a shallow side plough leg (14), the front lower end of the deep plough leg (2) is fixedly provided with a deep plough share (3), and the front lower end of the shallow side plough leg (14) is fixedly provided with a shallow side plough share (15); The upper front end of the frame body (1) is fixedly provided with a fertilizer box (4), the fertilizer box (4) is internally provided with a front-rear symmetrical first discharge hopper (5) and a second discharge hopper (16), the bottom of the first discharge hopper (5) and the second discharge hopper (16) is fixedly provided with a first fertilizer discharging mechanism (6) and a second fertilizer discharging mechanism (17), the output end of the first fertilizer discharging mechanism (6) is connected with a first fertilizer conveying pipe (7) and a second fertilizer conveying pipe (8), and the output end of the second fertilizer discharging mechanism (17) is connected with a side application fertilizer conveying pipe (18); The lower end of the first fertilizer conveying pipe (7) and the second fertilizer conveying pipe (8) is respectively threadedly connected with a first screw pipe (9) and a second screw pipe (10), the lower end of the first screw pipe (9) and the second screw pipe (10) is fixedly provided with a first deep layer fertilizer pipe (11) and a second deep layer fertilizer pipe (12), and the rear lower end of the deep plough leg (2) is provided with a deep layer fertilizer box (13); the first deep layer fertilizer pipe (11) and the second deep layer fertilizer pipe (12) are located in the deep layer fertilizer box (13).

2. The device according to claim 1, wherein The lower end of the side application fertilizer conveying pipe (18) is threadedly connected with a third screw pipe (19), the lower end of the third screw pipe (19) is fixedly provided with a shallow side fertilizer pipe (20), the rear lower end of the shallow side plough leg (14) is provided with a shallow side fertilizer box (21), and the shallow side fertilizer pipe (20) is located in the shallow side fertilizer box (21).

3. The device according to claim 1, wherein The first fertilizer discharging mechanism (6) comprises a first discharging wheel (6-1) mounted in the first discharge hopper (5), a first discharging box (6-2) fixedly arranged at the bottom of the first discharge hopper (5) and below the first discharging wheel (6-1), a first connecting rod (6-3) rotatably connected to the fertilizer box (4), and a first sprocket (6-4) mounted at the right end of the first connecting rod (6-3).

4. The device according to claim 1, wherein The frame body (1) is fixedly provided with a soil rotating motor (22) and a first mounting seat (24), and a soil rotating device (25) is arranged on the frame body (1); the soil rotating device (25) comprises a mounting horizontal rod (25-1) mounted on the frame body (1), a bearing (25-2) sleeved outside the mounting horizontal rod (25-1), a rotating rod (25-3) sleeved outside the bearing (25-2), a soil rotating claw (25-4) fixedly arranged outside the rotating rod (25-3), and a ring groove (25-5) formed at the right outer side of the rotating rod (25-3); the output end of the soil rotating motor (22) is provided with a transmission belt (23), and the output end of the soil rotating motor (22) is connected with the rotating rod (25-3) through the transmission belt (23).

5. The device according to claim 1, wherein The lower end of the first fertilizer conveying pipe (7), the second fertilizer conveying pipe (8) and the side application fertilizer conveying pipe (18) is respectively provided with a first external thread (7-1), a second external thread (8-1) and a third external thread (18-1).

6. The device according to claim 1, wherein The upper end of the first, second and third pipes (9, 10, 19) is respectively provided with a first, second and third internal thread (9-1, 10-1, 19-1).

7. The device according to claim 1, wherein The first and second fertilizer conveying pipes (7, 8) are provided with deep application fixing mechanisms (30), which are fixedly installed with the deep loosening plow legs (2). The side application fertilizer conveying pipe (18) is provided with a side application fixing mechanism (31), which is fixedly installed with the shallow side loosening plow leg (14).

8. The device according to claim 7, wherein The deep application fixing mechanism (30) comprises a deep application fixing rod (30-1), a deep application first fixing ring (30-2), a deep application second fixing ring (30-3), a first screw hole (30-4) and a first screw (30-5). The side application fixing mechanism (31) comprises a side application fixing rod (31-1), a side application fixing ring (31-2), a second screw hole (31-3) and a second screw (31-4).

9. The device according to claim 1, wherein The frame body (1) is fixedly installed with a seed box (26), and the lower portion of the frame body (1) is installed with a second mounting seat (27), and the lower end of the second mounting seat is installed with a roller (28).

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