CN219876854U - Ditching fertilization backfill all-in-one - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a ditching, fertilizing and backfilling integrated machine which can simultaneously apply different kinds of fertilizers and reduce the running resistance of equipment by adopting a mode of original soil falling and backfilling; the device comprises a frame, wherein a connecting arm and a fertilizing box are arranged on the frame, a driving mechanism is arranged on the frame, and a first fertilizer discharging pipe is arranged on the fertilizing box; still include vice fertile case, lower fertile pipe, middle gear box, blade disc and ditching sword, vice fertile case is installed in the frame, and the bottom of vice fertile case is provided with down fertile pipe, and the output of fertile pipe is merged with the output of fertile pipe one down, and middle gear box installs in the frame, and the input shaft of middle gear box is connected with the actuating mechanism transmission, and the output shaft of middle gear box installs the blade disc at the same center, and the circumference is provided with a plurality of ditching sword on the blade disc, and the soil that a plurality of ditching sword dialled can fall back in the soil ditch that a plurality of ditching sword opened, and the output of fertile pipe and fertile pipe one down is the rear side of a plurality of ditching sword.

Description

Ditching fertilization backfill all-in-one

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a ditching, fertilizing and backfilling integrated machine.

Background

In fruit tree management, fertilization is a job with large workload and labor intensity. Especially when applying organic fertilizer, a continuous or intermittent ditch with the width and depth of about 500 mm is dug on both sides of each fruit tree and slightly far and deep in the root system concentrated distribution layer. This requires a significant amount of labor to perform the ditching and fertilizing. However, with the rapid development of domestic economy, the living standard of people is improved, the labor cost is continuously improved, the labor is in shortage in young and strong, and the ditching and fertilization of the orchard become a big factor affecting the income of the orchard.

At present, the mechanized level of ditching and fertilizing in the orchard in China is low. The spacing between the complex fruit trees in the orchard working environment is relatively narrow, large tractors and the like cannot operate, and the conventional ditcher is not suitable for large horsepower, so that the conventional ditcher is not suitable for orchard operation. The Chinese patent of the prior art with the patent number of ZL202222511697.1 proposes a small-sized ditching, fertilizing and backfilling integrated machine for an orchard, and the ditching assembly, the fertilizer bin and the backfilling assembly are matched for use, so that the equipment can synchronously ditche, fertilize and backfill planting areas of the orchard for synchronous construction operation.

But above-mentioned all-in-one only is provided with a fertilizer feed bin, and different kinds of fertilizer are not conveniently applyed simultaneously, and it dials soil backfill through the V-arrangement frame moreover, leads to the resistance great.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the ditching, fertilizing and backfilling integrated machine which can simultaneously apply different kinds of fertilizers and reduce the walking and running resistance of equipment by adopting a mode of falling and backfilling raw soil.

The utility model relates to a ditching, fertilizing and backfilling integrated machine which comprises a frame, a connecting arm, a fertilizing box and a first fertilizer discharging pipe, wherein the connecting arm is arranged on the frame and is used for being connected with a lifting arm of a tractor; the auxiliary fertilizer box is arranged on the frame, the bottom of the auxiliary fertilizer box is provided with a lower fertilizer pipe, the output end of the lower fertilizer pipe is combined with the output end of a first lower fertilizer pipe, the middle gear box is arranged on the frame, the input shaft of the middle gear box is in transmission connection with the driving mechanism, the output shaft of the middle gear box is concentrically provided with the cutter disc, a plurality of ditching cutters are arranged on the circumference of the cutter disc, soil drawn by the ditching cutters can fall into soil ditches formed by the ditching cutters, and the output ends of the lower fertilizer pipe and the first lower fertilizer pipe are the rear sides of the ditching cutters; different kinds of fertilizers are respectively added in the fertilization box and the auxiliary fertilizer box, for example, farmyard manure is added in the fertilization box, organic fertilizer is added in the auxiliary fertilizer box, in operation, the lifting arm is driven by the tractor hydraulic system to be lifted by a strong force, the frame is driven by the connecting arm to sink or lift by a strong force, the ditching depth is adjusted, the middle gearbox body is driven by the output shaft driving mechanism of the tractor, the cutter disc is driven by the middle gearbox body to rotate at a high speed, so that the plurality of ditching knives rotate at a high speed, the fertilizers in the fertilization box and the auxiliary fertilizer box are conveyed to soil ditches formed by the plurality of ditching knives through the lower fertilizer pipe I and the lower fertilizer pipe under the action of dead weight, the plurality of ditching knives dig soil right behind the walking direction, so that the soil falls back to the soil ditching ditches, mixed fertilizers are buried, the automatic backfilling form is raised to the soil ridge of about 5-8 centimeters in the original ground level, a plurality of fertilizer bins can be set according to the situation, the conventional V-shaped frame is cancelled by the mode of backfilling, and the original soil backfilling is adopted.

Preferably, the telescopic device also comprises a telescopic rod and a land wheel, wherein the telescopic rod is vertically arranged at the rear part of the frame, and the land wheel is rotatably arranged at the lower end of the telescopic rod; the land wheel rolls on the ground to limit the grooving depth, and the grooving depth is adjusted by adjusting the length of the telescopic rod and the distance between the lower wheel surface of the land wheel and the tips of the lower parts of the plurality of grooving cutters, so that the grooving depth reaches the standard.

Preferably, the machine also comprises a support rod, wherein the support rod is movably arranged on the machine frame, the support rod is positioned at the other side of the cutter disc and the plurality of ditching knives, and the cutter disc, the land wheel and the support rod form a three-point support of the machine frame; by arranging the support rods, the equipment can stand before being connected with a tractor, and meanwhile, the equipment is convenient to be connected with the tractor.

Preferably, the driving mechanism comprises a gearbox, a first transmission assembly and a second transmission assembly, the gearbox is arranged on the frame, an input shaft of the gearbox is in transmission connection with an output shaft of the tractor, one output shaft of the gearbox is in transmission connection with an input shaft of the middle gearbox body, the other output shaft of the gearbox is in transmission connection with a pushing mechanism of the fertilization box through the first assembly, and the pushing mechanisms are in transmission connection through the second transmission assembly; the multi-directional power output is realized through the gearbox, a plurality of power mechanisms can be driven, multiple functions are realized, the first transmission assembly and the second transmission assembly select chain transmission or belt transmission according to requirements, the technology is mature, and the reliability is high.

Preferably, the pushing mechanism comprises a first auger, a small hopper and a second auger, wherein the first auger is rotatably arranged on the inner side of the bottom of the fertilizing box, a stirring rod is arranged at the position, above a fertilizer outlet of the fertilizing box, of the first auger, the small hopper is covered and buckled below the fertilizer outlet of the fertilizing box, the second auger is rotatably arranged in the small hopper, a second fertilizer outlet is arranged on one side of the lower part of the small hopper, the input end of a first fertilizer discharging pipe is connected with the second fertilizer outlet, the first auger and the second auger are in transmission connection through a second transmission assembly, and the second auger is in transmission connection with an output shaft of the gearbox through the first transmission assembly; the gearbox passes through first drive assembly vapour drive second auger and rotates, and the second auger passes through second drive assembly and drives first auger and rotate simultaneously, and first auger promotes fertilizer to the fertilizer outlet with fertilizer bottom the case portion, makes fertilizer fall into in the little hopper, and the second auger pushes into fertilizer pipe one down with fertilizer in the little hopper for fertilizer is along fertilizer pipe one down in carrying the soil ditch that opens, can avoid the adhesion of the fertilizer that viscosity is big, improves fertilization efficiency.

Preferably, the device also comprises a flashboard and a screw rod, wherein the flashboard is inserted between the small hopper and the fertilizing box in a sliding way, the flashboard blocks a fertilizer outlet of the fertilizing box, the screw rod is rotationally and spirally connected to the frame, and one end of the screw rod is rotationally connected with the flashboard; the screw rod is rotated, and thereby the screw rod and frame screw-thread fit promote the flashboard and remove for the flashboard shelters from the partial change of the fertile mouth of fertilization case, thereby adjusts fertilization volume, and the practicality is good.

Preferably, the device further comprises a third auger and a variable speed motor, wherein the third auger is rotatably arranged on the inner side of the bottom of the auxiliary fertilizer box, one end of the third auger extends into a discharging pipe at the bottom of the fertilizer box, the discharging pipe is connected with the input end of the lower fertilizer pipe, the variable speed motor is arranged on the outer side of the auxiliary fertilizer box through a bracket, and an output shaft of the variable speed motor is in transmission connection with the third auger through a third transmission component; the third transmission assembly selects chain transmission or belt transmission according to actual needs, the variable speed motor drives the third auger to rotate, the third auger pushes fertilizer in the auxiliary fertilizer box into the discharge pipe of the auxiliary fertilizer box and outputs the fertilizer through the lower fertilizer pipe, and the fertilizing amount is adjusted by adjusting the rotating speed of the variable speed motor, so that the practicability is good.

Compared with the prior art, the utility model has the beneficial effects that: different kinds of fertilizers are respectively added in the fertilization box and the auxiliary fertilizer box, for example, farmyard manure is added in the fertilization box, organic fertilizer is added in the auxiliary fertilizer box, in operation, the lifting arm is driven by the tractor hydraulic system to be lifted by a strong force, the frame is driven by the connecting arm to sink or lift by a strong force, the ditching depth is adjusted, the middle gearbox body is driven by the output shaft driving mechanism of the tractor, the cutter disc is driven by the middle gearbox body to rotate at a high speed, so that the plurality of ditching knives rotate at a high speed, the fertilizers in the fertilization box and the auxiliary fertilizer box are conveyed to soil ditches formed by the plurality of ditching knives through the lower fertilizer pipe I and the lower fertilizer pipe under the action of dead weight, the plurality of ditching knives dig soil right behind the walking direction, so that the soil falls back to the soil ditching ditches, mixed fertilizers are buried, the automatic backfilling form is raised to the soil ridge of about 5-8 centimeters in the original ground level, a plurality of fertilizer bins can be set according to the situation, the conventional V-shaped frame is cancelled by the mode of backfilling, and the original soil backfilling is adopted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 3 is a schematic side elevational view of the present utility model;

FIG. 4 is a schematic view of the structure of the frame, the connecting arm, and the drive mechanism;

FIG. 5 is a schematic diagram of the exploded construction of the structure of the fertilizing box, the first fertilizer pipe, the pushing mechanism, etc.;

FIG. 6 is a schematic structural view of the structure of the secondary fertilizer box, the lower fertilizer pipe, the third auger, the variable speed motor, etc.;

the reference numerals in the drawings: 1. a frame; 2. a connecting arm; 3. a fertilization box; 4. a first fertilizer discharging pipe is arranged; 5. an auxiliary fertilizer box; 6. a fertilizer discharging pipe; 7. an intermediate gear housing; 8. a cutterhead; 9. a ditching knife; 10. a telescopic rod; 11. a land wheel; 12. a support rod; 13. a gearbox; 15. a first auger; 16. a small hopper; 17. a second auger; 18. a flashboard; 19. a screw; 20. a third auger; 21. a variable speed motor.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

The ditching, fertilizing and backfilling integrated machine comprises a frame 1, a connecting arm 2, a fertilizing box 3 and a first lower fertilizer pipe 4, wherein the connecting arm 2 is installed on the frame 1, the connecting arm 2 is used for being connected with a lifting arm of a tractor, a driving mechanism is arranged on the frame 1 and is in transmission connection with an output shaft of the tractor, the fertilizing box 3 is installed on the frame 1, and the first lower fertilizer pipe 4 is arranged at the bottom of the fertilizing box 3; still include vice fertile case 5, lower fertile pipe 6, intermediate gear box 7, blade disc 8 and ditching sword 9, vice fertile case 5 is installed in frame 1, the bottom of vice fertile case 5 is provided with down fertile pipe 6, the output of lower fertile pipe 6 merges with the output of lower fertile pipe one 4, intermediate gear box 7 is installed on frame 1, the input shaft and the actuating mechanism transmission of intermediate gear box 7 are connected, the blade disc 8 is installed to the output shaft of intermediate gear box 7 with one heart, the circumference is provided with a plurality of ditching sword 9 on the blade disc 8, a plurality of ditching sword 9 evenly arrange, the soil that a plurality of ditching sword 9 dialled can fall back to in the soil ditch that a plurality of ditching sword 9 opened, the output of lower fertile pipe 6 and lower fertile pipe one 4 is the rear side of a plurality of ditching sword 9.

Different kinds of fertilizers are respectively added in the fertilization box 3 and the auxiliary fertilizer box 5, for example, farmyard manure is added in the fertilization box 3, organic fertilizer is added in the auxiliary fertilizer box 5, during operation, the lifting arm is driven by the tractor hydraulic system to be lifted and lowered by force, the frame 1 is driven by the connecting arm 2 to sink or lift, the ditching depth is adjusted, the middle gear box 7 is driven by the output shaft driving mechanism of the tractor, the cutter disc 8 is driven by the middle gear box 7 to rotate at a high speed, so that the plurality of ditching cutters 9 rotate at a high speed, the fertilizers in the fertilization box 3 and the auxiliary fertilizer box 5 are conveyed into the soil ditches opened by the plurality of ditching cutters 9 through the lower fertilizer pipe 4 and the lower fertilizer pipe 6 under the action of dead weight, the plurality of ditching cutters 9 dig soil to the right behind in the walking direction, so that the soil falls back into the opened soil ditches, the mixed fertilizer is buried, the original ground level 5-8 cm of soil is filled, a plurality of fertilizer bins can be conveniently and different kinds of fertilizers are simultaneously applied according to the conditions, the conventional soil ditching mode is canceled, and the walking resistance is reduced by adopting the conventional mode of the original soil falling down, and the walking resistance is reduced.

Examples

On the basis of the embodiment 1, the telescopic device further comprises a telescopic rod 10 and a land wheel 11, wherein the telescopic rod 10 is vertically arranged at the rear part of the frame 1, and the land wheel 11 is rotatably arranged at the lower end of the telescopic rod 10; the machine frame is characterized by further comprising a supporting rod 12, the supporting rod 12 is movably arranged on the machine frame 1, the supporting rod 12 is positioned on the other side of the cutter disc 8 and the plurality of ditching cutters 9, and the cutter disc 8, the land wheel 11 and the supporting rod 12 form three-point support of the machine frame 1.

Through setting up bracing piece 12 for equipment can keep standing before being connected with the tractor, thereby the land wheel 11 rolls on subaerial restriction to the fluting degree of depth simultaneously with being connected, through adjusting the length of telescopic link 10, adjusts the furrowing degree of depth with the distance adjustment of the lower tip of a plurality of furrowing knifes 9 of the lower wheel face of land wheel 11, makes the furrowing degree of depth reach the standard.

Examples

The ditching, fertilizing and backfilling integrated machine comprises a frame 1, a connecting arm 2, a fertilizing box 3 and a first lower fertilizer pipe 4, wherein the connecting arm 2 is installed on the frame 1, the connecting arm 2 is used for being connected with a lifting arm of a tractor, a driving mechanism is arranged on the frame 1 and is in transmission connection with an output shaft of the tractor, the fertilizing box 3 is installed on the frame 1, and the first lower fertilizer pipe 4 is arranged at the bottom of the fertilizing box 3; the auxiliary fertilizer box 5 is arranged on the frame 1, the lower fertilizer pipe 6 is arranged at the bottom of the auxiliary fertilizer box 5, the output end of the lower fertilizer pipe 6 is combined with the output end of the first lower fertilizer pipe 4, the middle gear box 7 is arranged on the frame 1, the input shaft of the middle gear box 7 is in transmission connection with the driving mechanism, the cutter disc 8 is concentrically arranged on the output shaft of the middle gear box 7, a plurality of ditching cutters 9 are circumferentially arranged on the cutter disc 8, the ditching cutters 9 are uniformly arranged, soil pulled out by the ditching cutters 9 can fall back into soil ditches opened by the ditching cutters 9, the output ends of the lower fertilizer pipe 6 and the first lower fertilizer pipe 4 are the rear sides of the ditching cutters 9, the driving mechanism comprises a gearbox 13, a first transmission assembly and a second transmission assembly, the gearbox 13 is arranged on the frame 1, the input shaft of the gearbox 13 is in transmission connection with the output shaft of the tractor, one output shaft of the gearbox 13 is in transmission connection with the input shaft of the middle gear box 7, and the other output shaft of the gearbox 13 is in transmission connection with the second transmission assembly through the first transmission assembly and the pushing mechanism of the fertilizer pushing mechanism 3; the pushing mechanism comprises a first auger 15, a small hopper 16 and a second auger 17, wherein the first auger 15 is rotatably arranged on the inner side of the bottom of the fertilization box 3, a stirring rod is arranged at the position, above a fertilizer outlet, of the fertilization box 3, of the first auger 15, the small hopper 16 is covered and buckled below the fertilizer outlet of the fertilization box 3, the second auger 17 is rotatably arranged in the small hopper 16, a second fertilizer outlet is arranged on one side of the lower part of the small hopper 16, the input end of a first lower fertilizer pipe 4 is connected with the second fertilizer outlet, the first auger 15 and the second auger 17 are in transmission connection through a second transmission assembly, and the second auger 17 is in transmission connection with an output shaft of the gearbox 13 through the first transmission assembly; the device also comprises a flashboard 18 and a screw 19, wherein the flashboard 18 is slidably inserted between the small hopper 16 and the fertilizing box 3, the flashboard 18 blocks a fertilizer outlet of the fertilizing box 3, the screw 19 is rotationally and spirally connected to the frame 1, and one end of the screw 19 is rotationally connected with the flashboard 18; still include third auger 20 and variable speed motor 21, third auger 20 rotates the inboard at the bottom of vice fertile case 5, and the one end of third auger 20 stretches into in the discharging pipe of fertilization case 3 bottom, the discharging pipe is connected with the input of fertile pipe 6 down, and variable speed motor 21 passes through the support mounting in the outside of vice fertile case 5, and variable speed motor 21's output shaft passes through third drive assembly and is connected with third auger 20 transmission.

Realize multidirectional power take off through gearbox 13, can drive a plurality of power units, realize multiple functions, first drive assembly and second drive assembly select chain drive as required, the technique is mature, the reliability is high, the gearbox passes through first drive assembly vapour drive second auger 17 rotation, simultaneously second auger 17 passes through second drive assembly and drives first auger 15 rotation, first auger 15 promotes the fertilizer of fertilization case 3 bottom to the fertilizer mouth, make the fertilizer fall into in the little hopper 16, second auger 17 pushes into lower fertilizer pipe one 4 with the fertilizer in the little hopper 16, make fertilizer carry in the soil ditch that opens along lower fertilizer pipe one 4, can avoid the adhesion of the fertilizer that viscosity is big, improve fertilization efficiency, thereby rotate screw 19, thereby screw 19 and frame 1 screw fit promote flashboard 18 and remove, make flashboard 18 shelter from the partial change of the fertilizer mouth of fertilization case 3, thereby adjust the fertilization volume, gear motor 21 passes through chain drive third auger 20 rotation, third auger 20 pushes into the fertilizer in the vice case 5 and passes through the fertilizer pipe one with the fertilizer in the vice fertilizer 5, and adjust the practical output volume of fertilizer through down through the pipe 21.

As shown in figures 1 to 6, when the ditching, fertilizing and backfilling integrated machine disclosed by the utility model is operated, farmyard manure is firstly added in a fertilizing box 3, organic manure is added in a secondary fertilizing box 5, then a lifting arm is driven by a tractor hydraulic system to be lifted by a strong lifting mode, a frame 1 is driven by a connecting arm 2 to sink or lift so as to adjust ditching depth, ditching depth is limited by a telescopic rod 10 and a land wheel 11, then an output shaft of the tractor drives a gearbox and a transmission assembly to operate and drive an intermediate gearbox body 7, the intermediate gearbox body 7 drives a cutter disc 8 to rotate at a high speed, so that a plurality of ditching cutters 9 rotate at a high speed, fertilizer in the fertilizing box 3 and the secondary fertilizing box 5 is conveyed into a soil ditch formed by a plurality of ditching cutters 9 through a lower fertilizing pipe 4 and a lower fertilizing pipe 6 under the pushing of the first auger 15, and the second auger 17, and the third auger 20, the soil is further ground is dug to fall back into the formed soil ditch through the lifting cutters 9, the mixed fertilizer is buried, and finally, the backfilling mode of the left and right land form of the soil is restored through the left and right land form of the soil is achieved.

The main functions realized by the utility model are as follows:

a plurality of fertilizer bins can be arranged according to the situation, so that different kinds of fertilizers can be conveniently and simultaneously applied;

the original soil falling backfilling mode is adopted, a traditional V-shaped frame is omitted, and the running resistance of equipment is reduced;

the fertilizing amount can be adjusted;

the depth of the trench can be limited.

The ditching, fertilizing and backfilling integrated machine has the advantages that the installation mode, the connection mode or the setting mode of the ditching, fertilizing and backfilling integrated machine is a common mechanical mode, and the ditching, fertilizing and backfilling integrated machine can be implemented as long as the beneficial effects of the ditching, fertilizing and backfilling integrated machine can be achieved; according to the ditching, fertilizing and backfilling integrated machine, the frame 1, the connecting arm 2, the middle gear box body 7, the cutter head 8, the ditching cutter 9, the telescopic rod 10, the land wheel 11, the gearbox 13, the transmission assembly, the first auger 15, the second auger 17, the screw 19, the third auger 20 and the variable speed motor 21 are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction, and does not need to carry out creative labor by the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The utility model provides a ditching fertilization backfill all-in-one, includes frame (1), linking arm (2), fertilization case (3) and lower fertile pipe (4), installs linking arm (2) on frame (1), linking arm (2) are used for being connected with the lift arm of tractor, are provided with actuating mechanism on frame (1), actuating mechanism and the output shaft transmission of tractor are connected, fertilization case (3) are installed on frame (1), the bottom of fertilization case (3) is provided with lower fertile pipe (4); the multifunctional agricultural chemical fertilizer is characterized by further comprising an auxiliary fertilizer box (5), a lower fertilizer pipe (6), an intermediate gear box body (7), a cutter disc (8) and ditching knives (9), wherein the auxiliary fertilizer box (5) is arranged on the frame (1), the lower fertilizer pipe (6) is arranged at the bottom of the auxiliary fertilizer box (5), the output end of the lower fertilizer pipe (6) is combined with the output end of the lower fertilizer pipe I (4), the intermediate gear box body (7) is arranged on the frame (1), the cutter disc (8) is arranged on the output shaft of the intermediate gear box body (7) in a transmission mode, a plurality of ditching knives (9) are arranged on the circumference of the cutter disc (8) in a concentric mode, soil dialed out by the ditching knives (9) can fall into soil ditches opened by the ditching knives (9), and the output ends of the lower fertilizer pipe (6) and the lower fertilizer pipe I (4) are arranged on the rear sides of the ditching knives (9).

2. The ditching, fertilizing and backfilling integrated machine according to claim 1, further comprising a telescopic rod (10) and a land wheel (11), wherein the telescopic rod (10) is vertically arranged at the rear part of the frame (1), and the land wheel (11) is rotatably arranged at the lower end of the telescopic rod (10).

3. The ditching, fertilizing and backfilling integrated machine according to claim 1, further comprising a supporting rod (12), wherein the supporting rod (12) is movably mounted on the frame (1), the supporting rod (12) is located on the other side of the cutter head (8) and the plurality of ditching knives (9), and the cutter head (8), the land wheel (11) and the supporting rod (12) form a three-point support of the frame (1).

4. The ditching, fertilizing and backfilling integrated machine as claimed in claim 1, characterized in that the driving mechanism comprises a gearbox (13), a first transmission assembly and a second transmission assembly, the gearbox (13) is arranged on the frame (1), an input shaft of the gearbox (13) is in transmission connection with an output shaft of the tractor, one output shaft of the gearbox (13) is in transmission connection with an input shaft of the intermediate gearbox casing (7), the other output shaft of the gearbox (13) is in transmission connection with a pushing mechanism of the fertilizing box (3) through the first transmission assembly, and the pushing mechanisms are in transmission connection through the second transmission assembly.

5. The ditching, fertilizing and backfilling integrated machine according to claim 4, wherein the pushing mechanism comprises a first auger (15), a small hopper (16) and a second auger (17), the first auger (15) is rotatably mounted on the inner side of the bottom of the fertilizing box (3), a stirring rod is arranged at the position, above a fertilizer outlet, of the fertilizing box (3) of the first auger (15), the small hopper (16) is covered and buckled below the fertilizer outlet of the fertilizing box (3), the second auger (17) is rotatably mounted in the small hopper (16), a second fertilizer outlet is formed in one side of the lower portion of the small hopper (16), the input end of the first lower fertilizer pipe (4) is connected with the second fertilizer outlet, the first auger (15) and the second auger (17) are in transmission connection through a second transmission assembly, and the second auger (17) is in transmission connection with an output shaft of the gearbox (13) through the first transmission assembly.

6. The ditching, fertilizing and backfilling integrated machine according to claim 5, further comprising a flashboard (18) and a screw (19), wherein the flashboard (18) is slidably inserted between the small hopper (16) and the fertilizing box (3), the flashboard (18) blocks a fertilizer outlet of the fertilizing box (3), the screw (19) is rotationally and spirally connected to the frame (1), and one end of the screw (19) is rotationally connected with the flashboard (18).

7. The ditching, fertilizing and backfilling integrated machine according to claim 1, further comprising a third auger (20) and a variable speed motor (21), wherein the third auger (20) is rotatably arranged at the inner side of the bottom of the auxiliary fertilizer box (5), one end of the third auger (20) extends into a discharging pipe at the bottom of the fertilizer box (3), the discharging pipe is connected with the input end of the lower fertilizer pipe (6), the variable speed motor (21) is arranged at the outer side of the auxiliary fertilizer box (5) through a bracket, and an output shaft of the variable speed motor (21) is in transmission connection with the third auger (20) through a third transmission component.