CN217088612U - Seeding machine - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, particularly, relate to a seeder. The seeder comprises a frame, a plurality of seeding units and a fertilizer box, wherein the seeding units are fixed on the rear side of the frame side by side; the frame is fixedly provided with a plurality of furrowing shovels which correspond to the plurality of seeding single bodies one by one, and the furrowing shovels are positioned on the front sides of the seeding single bodies; the rear side fixed mounting of ditching shovel has the compression roller assembly, downside fixed mounting with fertile pipe of fertile case intercommunication. This seeder can realize shovel formula fertilization, and the compression roller assembly can also carry out the earthing to the position after the fertilization, has effectively prevented volatilizing and the waste of chemical fertilizer, makes this seeder efficient, the seeding operation of well landmass in the specially adapted.

Description

Seeding machine

Technical Field

The utility model relates to the technical field of agricultural machinery, particularly, relate to a seeder.

Background

The seeder is a common agricultural machine, and the seeding effect of the seeder has important influence on the planting of crops.

In the central China, soil is seriously hardened, and after independent shovel-type fertilization ditching is adopted, soil covering is untimely and the soil covering effect is poor. Therefore, the fertilizer after being applied is easy to volatilize, and the loss and waste of the fertilizer are caused. Meanwhile, for some sowing operations requiring accurate fertilizing amount, the loss of fertilizer can cause adverse effects on the subsequent growth of crops.

The earthing device of solitary ditching fertilization need increase corresponding fixed beam on current seeder basis, not only can lead to the complete machine volume grow like this, is unfavorable for the flexibility that traveles to turn to, increases power consumption moreover, improves the seeding cost.

In addition, the sowing speed of the existing sowing machines is often not adjustable, which causes the sowing speed to be limited, resulting in low sowing efficiency. Meanwhile, due to the fact that seeds of different crops are different in size, corresponding sowing speeds are different, the seeder with single sowing speed can adapt to fewer kinds of seeds, and universality of the machine is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a seeder.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a seeder, which comprises a frame, a plurality of seeding monomers which are fixed at the rear side of the frame side by side, and a fertilizer box which is fixed at the upper side of the frame; the seeding single body is an air-suction type seeding single body or a finger-clamping type seeding single body, the rack is fixedly provided with a plurality of ditching shovels which correspond to the seeding single bodies one by one, and the ditching shovels are positioned on the front side of the seeding single body; the rear side fixed mounting of ditching shovel has the compression roller assembly, downside fixed mounting with the fertile pipe of fertile case intercommunication.

The utility model discloses an above-mentioned technical scheme's beneficial effect lies in: the front side of each seeding monomer is provided with a ditching shovel, and the ditching shovel is fixedly provided with a fertilizer pipe and a compression roller assembly, so that shovel type fertilization can be realized while ditching is carried out by the ditching shovel; the compression roller assembly can carry out the suppression to ground along with going of seeder, makes deep below ground that the ditching shovel can be stable ditch, and simultaneously, the compression roller assembly can also carry out the earthing to the position after the fertilization, has effectively prevented volatilizing and the waste of chemical fertilizer.

The utility model discloses can also implement through following further technical scheme:

further, the ditching shovel comprises a shovel handle and a shovel head; the upper end of the shovel handle is fixed on the rack, the lower end of the shovel handle is provided with the shovel head, and the tip of the shovel head faces the front side of the shovel handle; the rear side fixed mounting of shovel handle the compression roller assembly, the compression roller assembly is located in vertical direction on the pointed end of shovel head.

The technical scheme has the advantages that the compression roller assembly is arranged at the rear side of the shovel handle, so that the phenomenon that the compression roller assembly shields the shovel head to hinder ditching operation can be prevented; set up the compression roller assembly in being higher than the most advanced position of shovel head, when can making the shovel head ditch below ground, the compression roller assembly is located the position above ground and implements the suppression.

Further, the press roller assembly comprises a press roller, a mounting rod and a spring component; one end of the mounting rod is fixed on the shovel handle, and the other end of the mounting rod extends downwards along the rear side of the shovel handle in an inclined manner and is fixedly mounted on the compression roller; one end of the spring assembly is fixed on the mounting rod, and the other end of the spring assembly is fixedly connected with the shovel handle.

Adopt above-mentioned further technical scheme's beneficial effect to do, adopt spring assembly, can guarantee on the one hand that the compression roller assembly implements the suppression, on the other hand can realize the cushioning effect, prevents when the ditching operation, and the organism of installation ditching shovel produces great vibrations.

Furthermore, the other end of the shovel handle is fixed with a mounting seat, and the other end of the spring assembly is fixed on the mounting seat.

Adopt above-mentioned further technical scheme's beneficial effect to do, can make suppression and shock attenuation respond well.

Further, the fertilizer tube is fixed on the rear side edge of the tip of the shovel head; one end of the fertilizer tube is close to the shovel handle, and the other end of the fertilizer tube is close to the tip end of the shovel head.

The fertilizer can be discharged along with the fertilizer pipe after the shovel head ditches in the front, and the two ends of the fertilizer pipe are arranged up and down, so that the fertilizer discharging process is quicker.

Furthermore, one end of the shovel head is rotatably connected with the shovel handle through a rotating piece; the shovel head is fixedly connected with the shovel handle through a fixing piece, and when the resistance of the shovel head is larger than the maximum stress value of the fixing piece, the fixing piece is disconnected with at least one of the shovel handle and the shovel head.

Adopt above-mentioned further technical scheme's beneficial effect to be, when meetting great resistance in the ditching operation process, through mounting and the disconnection of shovel handle, make the shovel head can rotate to its most advanced orientation opposite direction through rotating the piece to avoid the shovel head to receive too big resistance and the most advanced damage that leads to. After the shovel head leaves the object with large resistance, the fixing piece can be reinstalled in a manual resetting mode to enable the shovel head to be fixed with the shovel handle again.

Furthermore, each seeding unit comprises a boot-type stubble removing shovel, and the boot-type stubble removing shovel is positioned at the rear side of the ditching shovel corresponding to the seeding unit.

Adopt above-mentioned further technical scheme's beneficial effect to be, through setting up boot formula stubble-removing shovel, can carry out the stubble-removing to ground before the seeding.

Furthermore, the traction frame is detachably mounted on the front side of the rack, and the hoisting frame is fixedly mounted on the rack.

Adopt above-mentioned further technical scheme's beneficial effect to be, set up traction frame and hoist and mount frame simultaneously in the frame, can realize pulling and hang integratively to satisfy the utility model discloses an operation, the operation of turning to, turning around etc. of seeder during the operation of well china little landmass.

Further, the number of the seeding units is four.

Adopt above-mentioned further technical scheme's beneficial effect to do, make this seeder more be suitable for in the operation of little landmass.

Further, a fertilizer discharging device which is respectively communicated with the fertilizer box and the fertilizer pipe is arranged on the frame; a seed sowing device is arranged on each sowing monomer; a gearbox is fixedly arranged on the rack and passes through a transmission mechanism; and the seed sowing device is in transmission connection with the fertilizer discharging device and the seed sowing device respectively.

Adopt above-mentioned further technical scheme's beneficial effect to do, adopt gearbox control to arrange fertile speed and seeding speed, can make the utility model discloses a seeder is applicable to and sows the seed of various sizes, can realize various plant spacing planting such as normal seeding, close planting simultaneously.

Drawings

FIG. 1 is a schematic structural view of the seeding machine of the utility model, the seeding unit is an air-aspiration seeding unit;

FIG. 2 is a schematic structural view of the seeding machine of the present invention, the seeding unit is a finger-clamping seeding unit;

FIG. 3 is a schematic structural view of the seeding unit of FIG. 1;

FIG. 4 is a schematic structural view of the sowing machine of the present invention, when the shovel head of the furrowing shovel is fixed with the shovel shaft;

FIG. 5 is a schematic view of the structure of the seeder of the present invention, when the shovel head of the furrowing shovel rotates relative to the shovel shaft;

fig. 6 is a schematic structural view of the spring assembly of the seeding machine of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 11. a fan assembly;

2. sowing the single seeds; 21. a boot-type stubble-removing shovel; 22. a seed sowing device; 23. a four-bar linkage; 24. a depth wheel; 25. ditching disc; 26. soil covering wheels; 27. a seed box;

3. ditching and shoveling; 31. a shovel shaft; 32. a shovel head; 321. a fixing member; 322. a rotating member; 33. a press roll assembly; 331. a press roller; 332. mounting a rod; 333. a spring assembly; 3331. a spring guide rod; 3332. a spring; 34. fertilizing; 35. a mounting seat;

4. fertilizer box; 5. a traction frame; 6. a hoisting frame;

7. a gearbox; 71. a transmission mechanism;

8. a land wheel; 9. a driving wheel.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the seeding machine of the utility model comprises a frame 1, a plurality of seeding units 2 fixed at the rear side of the frame 1 side by side, and a fertilizer box 4 fixed at the upper side of the frame 1; the seeding single body 2 is an air-suction type seeding single body or a finger-clamping type seeding single body, a plurality of ditching shovels 3 which correspond to the seeding single bodies 2 one by one are fixedly arranged on the frame 1, and the ditching shovel 3 is positioned on the front side of the seeding single body 2; the rear side of the ditching shovel 3 is fixedly provided with a compacting roller assembly 33, and the lower side is fixedly provided with a fertilizer pipe 34 communicated with the fertilizer box 4.

The utility model discloses a seeder, set up the furrowing blade 3 in the front side of every seeding monomer 2 to fixed mounting fertilizer pipe 34 and compression roller assembly 33 on the furrowing blade 3, when the furrowing blade 3 ditches, can realize shovel type fertilization; the compression roller assembly 33 can be along with the traveling of seeder carries out the suppression to ground, makes the deep below ground that furrowing blade 3 can be stable ditch, and simultaneously, compression roller assembly 33 can also carry out the earthing to the position after the fertilization, has effectively prevented volatilizing and extravagant of chemical fertilizer.

The utility model discloses a seeder is particularly suitable for using in the central plain area. Because the soil in the former china area hardens often more seriously, adopts the utility model discloses a seeder can avoid the waste to fertilizer, can effectively improve seeding efficiency simultaneously.

The utility model discloses a direct fixed mounting of compression roller assembly 33 makes compression roller assembly 33 and furrowing blade 3 combine on furrowing blade 3, need not to add crossbeam and independent suppression device on the seeder, has not only improved the suppression effect, has saved the volume and the weight of complete machine moreover to reduce the power demand of complete machine, reduced seeder operating cost.

As shown in FIGS. 4 and 5, in one embodiment of the present application, the trenching blade 3 preferably includes a blade shank 31, a blade head 32; one end of the shovel handle 31 is fixed on the frame 1, the other end is provided with a shovel head 32, and the tip of the shovel head 32 faces the front side of the shovel handle 31; a compression roller assembly 33 is fixedly arranged on the rear side of the shovel handle 31, and the compression roller assembly 33 is vertically positioned above the tip of the shovel head 32; the compression roller assembly 33 is arranged at the rear side of the shovel handle 31, so that the phenomenon that the shovel head 32 is shielded by the compression roller assembly 33 to hinder ditching operation can be prevented; the press roller assembly 33 is provided at a position higher than the tip of the shovel head 32, so that when the shovel head 32 performs ditching under the ground, the press roller assembly 33 is pressed at a position above the ground.

In the above embodiment, it is preferable that the press roll assembly 33 includes a press roll 331, a mounting rod 332, and a spring member 333; one end of the mounting rod 332 is fixed to the blade handle 31, and the other end thereof is inclined downward along the rear side of the blade handle 31 and fixedly mounted with the press roller 331; one end of the spring assembly 333 is fixed on the mounting rod 332, and the other end is fixedly connected with the mounting seat 35; when ditching is carried out, the spring on the spring component 333 is in a compressed state, and provides downward force for the press roller 331, so that the press roller 331 is abutted against the ground, and pressing is realized; adopt spring unit 333, on the one hand can guarantee that the compression roller assembly 33 implements the suppression, and on the other hand can realize the cushioning effect, prevents that the organism of installation furrowing blade from producing great vibrations when the ditching operation.

In the above embodiment, preferably, the mounting rod 332 is fixedly connected to the blade handle 31 through a bolt; a plurality of bolt holes are formed in the shovel handle 31 in the axial direction, one end of the mounting rod 332 can be matched with any bolt hole, and the height and the included angle of the mounting rod 332 can be adjusted to adapt to different operating environments.

As shown in fig. 5 and 6, in the above embodiment, preferably, the spring assembly 333 includes a spring guide post 3331 and a spring 3332 disposed outside the spring guide post 3331; both ends of the spring 3332 are fixed on the spring guide bar 3331; the spring guide rod 3331 can extend and contract along the axial direction thereof; by providing the spring guide bar 3331, the spring 3332 can be guided when it expands and contracts, and the spring 3332 is prevented from being displaced in a non-axial direction, which affects the compacting effect.

In the above embodiment, it is preferable that the other end of the blade handle 31 is fixed with the mounting seat 35, the other end of the spring assembly 333 is fixed on the mounting seat 35, and the spring assembly 333 is vertically arranged; thus, the compacting and damping effects can be improved.

In the above embodiment, preferably, the fertilizer tube 34 is fixed to the rear edge of the tip of the shovel head 32; one end of the fertilizer tube 34 is close to the shovel handle 31, and the other end is close to the tip of the shovel head 32; the axis of the fertilizer pipe 34 and the shovel head 32 are positioned on the same vertical plane, so that the fertilizer is evenly applied.

In the above embodiment, preferably, one end of the shovel head 32 is rotatably connected to the shovel shaft 31 through the rotating member 322; the shovel head 32 is fixedly connected with the shovel handle 31 through the fixing piece 321, and when the resistance of the shovel head 32 is larger than the maximum stress value of the fixing piece 321, the stress exceeds 640N/mm instantly ² The mount 321 is disconnected from at least one of the handle 31 and the blade 32; wherein, the fixed part 321 is a safety bolt, and the rotating part 322 is a rotating bolt; when meeting great resistance in the ditching operation, through the mounting 321 with the share shaft 31 disconnection, make shovel head 32 can be through the rotation piece 322 to its most advanced rotation towards opposite direction to avoid shovel head 32 to receive too big resistance and the most advanced damage that leads to. After leaving the high resistance object, the securing member 321 may be re-installed by manual repositioning to re-secure the blade head 32 to the handle 31.

As shown in fig. 1 to 3, in the above embodiment, each sowing unit 2 preferably includes a boot-type stubble removing shovel 21, and the boot-type stubble removing shovel 21 is located at the rear side of the furrowing shovel 3 corresponding to the sowing unit 2; by providing the boot-type stubble ploughing shovel 21, stubble on the ground can be ploughed before sowing.

In the above embodiment, preferably, the boot-type stubble-removing shovel 21 may also have a stubble-removing shovel head with a rotatable structure, and the specific rotatable structure is similar to that of the furrowing shovel 3; this prevents the boot type stubble ploughing shovel 21 from being damaged by hard objects.

As shown in fig. 1, in the above embodiment, preferably, when the sowing unit 2 is an air-suction sowing unit, the frame 1 is further fixedly mounted with the fan assembly 11, and the fan assembly 11 is connected with the air-suction sowing unit to provide air-suction power for the air-suction sowing unit.

In the above embodiment, preferably, the traction frame 5 is detachably mounted on the front side of the frame 1; the traction frame 5 can be connected with a tractor to realize traction operation; a hoisting frame 6 is fixedly arranged on the frame 1; when the traction frame 5 is disconnected with the tractor, the hoisting frame 6 can be connected with the tractor, so that the suspension operation can be realized; set up traction frame 5 and hoist and mount frame 6 simultaneously in frame 1, can realize pulling and hang integratively to satisfy the utility model discloses an operation, the operation of turning to, turning around etc. of seeder during the operation of well china and small plots.

In the above embodiment, it is preferable that the transmission device further includes a transmission case 7 and a transmission mechanism 71 connected to the transmission case 7; a fertilizer discharging device which is respectively communicated with the fertilizer box 4 and the fertilizer pipe 34 is fixedly arranged on the frame 1; a seed sowing device 22 is arranged on each sowing monomer 2; the transmission mechanism 71 is respectively in transmission connection with the fertilizer discharging device and the seed metering device 22; adopt 7 control seeding speeds of gearbox, can make the utility model discloses a seeder is applicable to and sows the seed of various sizes, can realize various plant spacing planting such as normal seeding, close planting simultaneously.

The fertilizer boxes 4 are at least two and are communicated with a fertilizer device through a plurality of pipelines, and the fertilizer device is communicated with each fertilizer pipe 34 through a plurality of pipelines.

In the above embodiment, the transmission mechanism 71 may be a set of transmission devices composed of a link, a gear, and the like.

In the above embodiment, preferably, the gearbox 7 is a 3 × 7 speed plant spacing adjusting gearbox, and the adoption of the gearbox 7 can effectively improve the sowing efficiency, so that the sowing machine is suitable for seeds of different crops, and the universality of the machine is greatly improved.

In the above embodiment, each sowing unit 2 preferably further comprises a four-bar linkage 23, a depth wheel 24, a ditching disc 25, a soil covering wheel 26 and a seed box 27. Wherein, the four-bar linkage 23 is positioned at the front side of the sowing single body 2 and is fixedly connected with the frame 1. The depth wheel 24 and the ditching disc 25 are respectively a pair, each pair of the depth wheel and the ditching disc is symmetrically arranged at the lower parts of two sides of the seeding single body 2, the seed box 27 is communicated with the seed metering device 22, and seeds in the seed box 27 can be sowed through the seed metering device 22. The soil covering wheel 26 is located at the rear side of the sowing unit 2 for covering the ground after sowing.

As shown in fig. 1, in the above embodiment, preferably, the frame 1 is further fixedly provided with a land wheel 8 and a driving wheel 9; the land wheel 8 and the driving wheel 9 are arranged side by side with the plurality of sowing monomers 2. The land wheel 8 has the functions of supporting and assisting the whole machine to run and rotate, the driving wheel 9 is in transmission connection with the transmission mechanism 71, and mechanical power can be provided for the transmission mechanism 71 through the rotation of the driving wheel 9.

The utility model takes the horizontal central line of the running direction as the symmetrical line, a plurality of seeding monomers 2 are symmetrically arranged about the symmetrical line, and two land wheels 8 are symmetrically arranged about the symmetrical line; therefore, the symmetrical arrangement can ensure good stability when the whole machine runs.

The traction frame 5 and the hoisting frame 6 are both positioned on a symmetrical line, so that the balance of the whole machine can be kept when traction and suspension operation is implemented.

Preferably, the number of the seeding monomers 2 is four; the whole machine has smaller volume and more flexible operation process, and further meets the seeding operation of the original small plots. Correspondingly, the fertilizer boxes 4 are arranged symmetrically, and each fertilizer box 4 is communicated with one fertilizer discharging device through at least one pipeline. The fertilizer discharging device is provided with a plurality of pipelines communicated with the fertilizer tubes 34, and the pipelines correspond to each fertilizer tube 34 one by one.

The utility model discloses a seeder, the job stabilization nature is good. In practical use, when the seeding single body 2 is an air-suction type seeding single body, the operation speed is 8-10km/h, and when the seeding single body 2 is a finger-clamping type seeding single body, the operation speed is 6-8km/h, no seed is erected, and the operation efficiency is high.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A seeder comprises a frame (1), a plurality of seeding single bodies (2) which are fixed at the rear side of the frame (1) side by side, and a fertilizer box (4) which is fixed at the upper side of the frame (1); it is characterized in that the preparation method is characterized in that,

the seeding single body (2) is an air-suction type seeding single body or a finger-clamping type seeding single body, a plurality of ditching shovels (3) which correspond to the seeding single bodies (2) one by one are fixedly installed on the rack (1), and the ditching shovels (3) are positioned on the front side of the seeding single body (2);

the rear side fixed mounting of ditching shovel (3) has compression roller assembly (33), downside fixed mounting with fertile pipe (34) of fertile case (4) intercommunication.

2. The seed planter according to claim 1,

the ditching shovel (3) comprises a shovel handle (31) and a shovel head (32);

the upper end of the shovel handle (31) is fixed on the frame (1), the lower end of the shovel handle is provided with the shovel head (32), and the tip of the shovel head (32) faces the front side of the shovel handle (31);

the rear side fixed mounting of share shaft (31) press roller assembly (33), press roller assembly (33) are located in vertical direction on the pointed end of shovel head (32).

3. The seeding machine according to claim 2, wherein the press roller assembly (33) comprises a press roller (331), a mounting rod (332) and a spring assembly (333);

one end of the mounting rod (332) is fixed on the shovel handle (31), and the other end of the mounting rod extends downwards along the rear side of the shovel handle (31) in an inclined manner and is fixedly mounted with the press roller (331);

one end of the spring assembly (333) is fixed on the mounting rod (332), and the other end of the spring assembly is fixedly connected with the shovel handle (31).

4. A seeding machine according to claim 3, characterised in that the other end of the shovel shaft (31) is fixed with a mounting seat (35), and the other end of the spring assembly (333) is fixed on the mounting seat (35).

5. Seeding machine according to claim 2, characterised in that the fertilizer tube (34) is fixed to the pointed rear side edge of the shovel head (32); one end of the fertilizer tube (34) is close to the shovel handle (31), and the other end of the fertilizer tube is close to the tip of the shovel head (32).

6. Seeding machine according to claim 2, characterised in that the shovel head (32) is connected at one end rotatably to the shovel shaft (31) by means of a rotating element (322);

the shovel head (32) is fixedly connected with the shovel handle (31) through a fixing piece (321), and when the resistance force of the shovel head (32) is larger than the maximum stress value of the fixing piece (321), the fixing piece (321) is disconnected with at least one of the shovel handle (31) and the shovel head (32).

7. The seeding machine according to any one of claims 1 to 6, wherein each seeding unit (2) comprises a boot-type stubble removing shovel (21), and the boot-type stubble removing shovel (21) is positioned at the rear side of the ditching shovel (3) corresponding to the seeding unit (2).

8. The seeding machine according to any one of claims 1 to 6, wherein the front side of the machine frame (1) is detachably provided with a traction frame (5), and the machine frame (1) is fixedly provided with a hoisting frame (6).

9. The seeding machine according to any one of claims 1 to 6, characterised in that the number of the seeding units (2) is four.

10. The seed planter according to any one of claims 1 to 6,

the frame (1) is provided with a fertilizer discharging device which is respectively communicated with the fertilizer box (4) and the fertilizer pipe (34); a seed sowing device (22) is arranged on each sowing monomer (2);

a gearbox (7) is fixedly installed on the rack (1), and the gearbox (7) is in transmission connection with the fertilizer discharging device and the seed sowing device (22) through a transmission mechanism (71).

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