CN116724735A

CN116724735A - Fruit tree annular ditch fertilizer injection unit

Info

Publication number: CN116724735A
Application number: CN202310823341.8A
Authority: CN
Inventors: 赵瑞芬; 冯悦晨; 滑小赞; 贾彬良; 赵耀巍; 王森
Original assignee: College Of Resources And Environment Shanxi Agricultural University Institute Of Agricultural Environment And Resources Shanxi Academy Of Agricultural Sciences
Current assignee: College Of Resources And Environment Shanxi Agricultural University Institute Of Agricultural Environment And Resources Shanxi Academy Of Agricultural Sciences
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-09-12

Abstract

The invention discloses a fruit tree annular ditch fertilizing device, which comprises a vehicle body, wherein a fertilizer box is arranged on the vehicle body, and the fruit tree annular ditch fertilizing device further comprises: the device comprises a fertilizer conveying pipe, a mounting shell, a soil digging mechanism and a first backfilling pipe, wherein one end of the fertilizer conveying pipe is connected with a discharge hole of a fertilizer box, a conveying auger is arranged in the fertilizer conveying pipe, and the mounting shell is connected below the fertilizer conveying pipe; the tilting arrangement of the excavating mechanism comprises: the chain wheel driving assembly and a plurality of pieces of digging on the chain are connected to first backfill pipe one end on the installation shell, and the opening part is equipped with the earth connection swash plate, is equipped with a plurality of first stirring pieces in the first backfill pipe, is collected the soil of first backfill pipe and is transmitted to the fertilizer of first backfill pipe and mix each other, then is backfilled together to the fertilization ditch that the mechanism of digging excavated in, uses more conveniently, neither influences the ditching, can shorten the technological process of backfilling fertilization more, and fertilization efficiency is higher.

Description

Fruit tree annular ditch fertilizer injection unit

Technical Field

The invention relates to the technical field of fruit tree cultivation equipment, in particular to a fruit tree annular ditch fertilization device.

Background

During the period of planting the fruit trees, the fertilizer is applied to the fruit trees, so that the growth and development conditions of the fruit trees can be effectively improved, and the yield of the fruit trees can be improved. Therefore, farmers are very important in fertilizing fruit trees, and more fertilization methods are available in fertilizing fruit trees, wherein the fertilization mode of the annular ditch is to dig the annular ditch in a slightly far area around the periphery of the tree crown, the width of the annular ditch is 30-50 cm, the depth of the annular ditch is 20-40 cm, the fertilizer is applied into the ditch and is covered after being mixed with soil, the azimuth and the depth are rotated annually, fertilization can be more uniform, more contacted root systems are contacted, but the operation is more troublesome, and waste manpower is compared. Therefore, the existing annular ditch fertilization mostly adopts a mechanical ditching backfilling fertilization mode.

When the annular ditch fertilization method is used for fertilizing the fruit trees, the root systems of the fruit trees are more luxuriant and the root systems of the fruit trees are more easily damaged at the positions close to the tree stems, so that most of the existing annular ditch fertilization devices dig ditches under the projection of the tail ends of the crowns of the fruit trees through a ditcher, then fertilizer is sowed into the ditches through a fertilizer applicator, the dug loose soil is filled back into the ditches, and the filled soil is mixed with the fertilizer sowed into the ditches, so that fertilization is completed, ditching is performed firstly, fertilization is performed again, backfilling is performed again, steps are complicated, each tree is operated in this way, efficiency is low, and time consumption is long.

Disclosure of Invention

The invention aims to provide a fruit tree annular ditch fertilizing device, which is characterized in that fertilizer is directly scattered on excavated loose soil when ditching is carried out, the fertilizer and the loose soil are mixed and stirred, and after ditching is finished, the soil mixed with the fertilizer is directly backfilled, so that the fertilizing efficiency is greatly improved.

The technical scheme of the invention is as follows:

the utility model provides a fruit tree annular ditch fertilizer injection unit, includes the automobile body, is equipped with the fertilizer case on the automobile body, still includes: one end of the fertilizer conveying pipe is connected with the discharge port of the fertilizer box, and a conveying auger is arranged in the fertilizer conveying pipe; the mounting shell is connected below the fertilizer conveying pipe through a connecting piece; dig soil mechanism, slope setting includes: the chain wheel driving assembly and the plurality of soil digging pieces are arranged on the chain, a chain wheel at one end of the chain wheel driving assembly is arranged on the mounting shell, and a first transmission belt driving piece is sleeved on the chain wheel driving assembly; the first backfill pipe, one end is connected on the installation shell, the orientation of first backfill pipe the opening part of chain wheel drive assembly is equipped with the soil collecting sloping plate, is used for holding the soil that digs out of digging the piece, first backfill pipe with fertilizer conveyer pipe passes through the intercommunication hose intercommunication, be equipped with a plurality of first stirring pieces in the first backfill pipe, a plurality of the axle of first stirring piece runs through the pipe wall of first backfill pipe to establish the second drive belt driving piece at epaxial cover, through the drive of second drive belt driving piece, the third drive belt driving piece is established to the cover between the axis body and the sprocket shaft of first stirring piece.

Further, the earth-moving member includes: the device comprises a digging pocket with one side arranged on a chain and a plurality of soil breaking rakes with the other side arranged on the digging pocket.

Further, the method further comprises the following steps: the shaft body of the second stirring piece penetrates through the side wall of the first backfill pipe, the second stirring piece and the first stirring piece are in a group, and the first stirring piece and the second stirring piece are meshed through the gears.

Further, the stirring shaft of the second stirring piece is an arc-shaped surface.

Further, the method further comprises the following steps: the fixed end of the angle adjusting rod is arranged on the vehicle body; one end of the angle adjusting plate is connected to the mounting shell, and the other end of the angle adjusting plate is connected to the telescopic end of the angle adjusting rod; the air pump is arranged on the fertilizer conveying pipe; the air charging plate is arranged below the fertilizer conveying pipe, an air charging port and an air outlet are formed in the air charging plate, and the air charging port of the air pump is communicated with the air charging port of the air charging plate through the pipe body; the air bag is connected between the air charging plate and the top of the mounting shell, the air bag is communicated with the air outlet through a pipe body, and one end of the air bag is inflated and expanded in volume;

further, the method further comprises the following steps: the second backfill pipe, the second backfill board with the first backfill pipe sets up next to each other, and separates through the sieve between second backfill pipe and the first backfill pipe, the sieve mesh size of sieve is less than the size of fertilizer granule.

Further, a plurality of diversion slopes with conical sections are arranged in the first backfill pipe, and the diversion slopes are arranged between the first stirring piece and the second stirring piece in a staggered mode.

Further, the bottom of the second backfill pipe is provided with an arc plate, one end of the arc plate is connected to a position between the first backfill pipe and the second backfill pipe, the arc plate is obliquely arranged, the intrados face the outlet of the second backfill pipe, and a plurality of ploughs arranged in rectangular arrays are arranged on the extrados of the arc plate.

Further, the method further comprises the following steps: the two sweeping whisks are symmetrically arranged at two sides of the second backfill pipe, and the sweeping whisks rotate through the driving mechanism.

Further, the driving mechanism includes: the first bevel gear is arranged on the side wall of the second backfill pipe; a fourth driving belt driving member, one driving wheel is arranged on the side wall of the second backfill pipe, and the other driving wheel is arranged on the side wall of the first backfill pipe; two reversing gears, one of which is arranged on the shaft body of the driving wheel of the second backfill pipe, the other of which is arranged on the shaft body of the first bevel gear, and the two reversing gears are meshed with each other; the second bevel gear is arranged at one end of the rod body of the sweeping duster and meshed with the first bevel gear.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the soil is broken and conveyed to the first backfill pipe through the soil digging mechanism, the fertilizer in the fertilizer box is conveyed to the first backfill pipe through the fertilizer conveying pipe, the fertilizer and the soil are mutually mixed through the first stirring piece and the second stirring piece in the first backfill pipe, and then the fertilizer and the soil are backfilled into the dug fertilizer application ditch together, so that the conventional ditching, fertilizer application, backfilling and mixing are shortened to ditching backfill, the efficiency is higher, and the use is more convenient.

2. According to the invention, the first stirring piece in the first backfill pipe is driven to rotate while the soil is excavated by the soil excavating mechanism, so that the soil and the fertilizer in the first backfill pipe are stirred, and the first stirring piece and the second stirring piece are meshed through the gears, so that the first stirring piece and the second stirring piece can reversely rotate, and the mixing effect of the soil and the fertilizer is improved.

3. According to the invention, soil layering during backfilling is realized through the first backfilling pipe and the second backfilling pipe, so that larger blocks of soil and fertilizer are positioned in the deep layer of the fertilization ditch, smaller blocks of soil are covered on the surface of the fertilization ditch, gaps among the large blocks of soil are filled, thicker root systems in the deep layer of the fruit tree can obtain more nutrients, the root of the fruit tree is rooted more stably, and the waste of surface fertilizer is reduced.

4. According to the invention, by arranging the arc plate, when the vehicle body moves, the first backfill pipe positioned in the advancing direction fills larger soil, and the second backfill pipe positioned behind the first backfill pipe is backfilled above the larger soil after passing through the backfill position of the first backfill pipe, so that the layering effect is better.

5. According to the invention, by arranging the sweeping whisk, soil dug by the soil digging mechanism and scattered on two sides of the fertilization ditch and soil backfilled and scattered by the first backfill pipe and the second backfill pipe can be swept back into the fertilization ditch, and leaves, branches and fallen fruits in an orchard can be swept into the fertilization ditch, so that the organic matter level of the soil is improved, and the fertilization effect is better.

Drawings

FIG. 1 is a schematic diagram of a front view of the present invention;

FIG. 2 is a schematic view of the construction of the mounting housing, the first backfill tube and the earth-moving mechanism of the present invention;

FIG. 3 is a schematic view of the construction of the earth-moving element of the present invention;

FIG. 4 is a schematic view showing the internal structures of the second backfill pipe and the first backfill pipe according to embodiment 2 of the present invention;

fig. 5 is a schematic diagram of a sweeping duster according to embodiment 3 of the invention.

Wherein 1, the automobile body, 2, the fertilizer case, 3, the mechanism of earth-moving, 31, the chain wheel drive assembly, 32, the piece of earth-moving, 321, the pocket of earth-moving, 322, the harrow that breaks earth, 33, first drive belt drive piece, 4, first backfill pipe, 41, first stirring piece, 42, the second stirring piece, 43, the gear, 44, the second drive belt drive piece, 45, the earth-connecting swash plate, 46, the water conservancy diversion slope, 5, the installation shell, 51, the connecting piece, 6, the fertilizer conveyer pipe, 61, the conveyer auger, 62, the intercommunication hose, 63, the third drive belt drive piece, 7, the angle regulation pole, 71, the angle regulation board, 8, the gasbag, 81, the air pump, 82, the aeration board, 9, the second backfill pipe, 91, the sieve, 92, the arc, 93, the plow, 10, the sweeping duster, 101, the fourth drive belt drive piece, 102, the reversing gear, 103, first bevel gear, 104, second bevel gear.

Detailed Description

The following describes embodiments of the present invention in detail with reference to fig. 1 to 5. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

It should be noted that, the circuit connection related in the present invention adopts a conventional circuit connection manner, and no innovation is related.

Example 1:

as shown in fig. 1 to 3, a fruit tree annular ditch fertilizer injection unit, including automobile body 1, be equipped with fertilizer case 2 on the automobile body 1, still be equipped with: the fertilizer feeding device comprises a fertilizer feeding pipe 6, a mounting shell 5, a soil digging mechanism 3 and a first backfilling pipe 4, wherein one end of the fertilizer feeding pipe 6 is connected with a discharge hole of a fertilizer box 2, a feeding auger 61 is arranged in the fertilizer feeding pipe, and fertilizer enters the fertilizer feeding pipe 6 from the discharge hole of the waste box 2 and is transmitted through the feeding auger 61; as shown in fig. 1, the installation shell 5 is a semicircular shell, an installation groove is formed in the installation shell, the installation shell 5 is connected below the fertilizer conveying pipe 6 through a connecting piece 51, one end of the connecting piece 51 is fixed at the bottom of the fertilizer conveying pipe 6, and the other end of the connecting piece 51 is rotatably connected to the installation shell 5, so that the angle of the installation shell 5 can be conveniently adjusted; the soil excavation mechanism 3 is arranged obliquely, including: the chain wheel driving assembly 31 and the plurality of soil digging elements 32 arranged on the chain, as shown in fig. 3, the chain wheel driving assembly 31 rotates anticlockwise, the soil digging elements 32 break the soil and carry and convey the broken soil, a chain wheel at one end of the chain wheel driving assembly 31 is arranged on the mounting shell 5, and a first transmission belt driving element 33 is sleeved on the chain wheel driving assembly 31; as shown in fig. 1 and fig. 2, one end of the first backfill pipe 4 is connected to the mounting shell 5, the opening of the first backfill pipe 4 is provided with a soil-receiving inclined plate 45 for accommodating the soil excavated by the soil-excavating member 32, when the soil-excavating member 32 breaks the soil and conveys the soil upwards through the top of the chain-wheel driving assembly 31, the soil is thrown out to the soil-receiving inclined plate 45 due to gravity and centrifugal force and enters the first backfill pipe 4, the first backfill pipe 4 and the fertilizer conveying pipe 6 are communicated through a communication hose 62, the conveying auger 61 conveys the fertilizer into the first backfill pipe 4, a plurality of first stirring members 41 are arranged in the first backfill pipe 4, the shafts of the first stirring members 41 penetrate through the pipe wall of the first backfill pipe 4, a second driving belt driving member 44 is sleeved on the shafts, the second driving belt driving member 44 is driven by the second driving member, the first stirring members 41 are sleeved with the shafts of the chain-stirring members and the axles, the first stirring members are sleeved with the first driving belt driving members 63, the first stirring members are driven by the shafts and the first stirring members, the first stirring members are directly driven by the first stirring members and the second stirring members are not required to be filled with the soil, the first stirring members are further, the first stirring members are driven by the first stirring members are required to be filled with the soil, the soil is recovered, the soil is directly recovered, the soil is recovered by the soil is directly recovered, and the soil is recovered by the soil is directly recovered, and the soil is recovered by the soil is recovered, and the soil is recovered by the soil, and the soil is directly recovered, and the soil is recovered by the soil is directly recovered, and the soil is directly recovered by the soil is directly and the soil is recovered by the soil and the soil is recovered.

Preferably, in order to enhance the breaking effect and the carrying effect of the earth-moving member 32, as shown in fig. 3, the earth-moving member 32 includes: the earth pocket 321 that one side set up on the chain and set up a plurality of earth-breaking harrows 322 of earth-breaking pocket 321 opposite side, a plurality of earth-breaking harrows 322 set up side by side, and earth-breaking harrow 322's harrow point is eagle beak, and earth-breaking harrow 322's harrow point length is 5CM, and the harrow point is too short unable light soil of breaking, and the volume of once digging is littleer, leads to the transport effect to become slow, and if the harrow point overlength, the harrow point inserts soil too deeply, because the transmission of chain influences the result stability of earth-breaking pocket 321 on the chain easily.

Preferably, in order to enhance the mixing effect of the soil and the fertilizer in the first backfill pipe 4, it further comprises: the second stirring members 42 and the gears 43 are arranged in a way that the shaft bodies of the second stirring members 42 penetrate through the side wall of the first backfilling pipe 4, one second stirring member 42 and the first stirring member 41 are in a group, the first stirring member 41 and the second stirring member 42 are meshed through the gears 43, the first driving belt driving member 33 on the soil excavating mechanism 3 rotates anticlockwise, the power transmitted to the second driving belt driving member 44 by the first driving belt driving member 33 through the third driving belt driving member 63 enables the second driving belt driving member 44 to rotate anticlockwise, the first stirring member 41 rotates anticlockwise, the gears 43 on the shaft bodies of the first stirring member and the first stirring member 41 rotate anticlockwise, the gears 43 meshed with the second stirring member 42 rotate clockwise, the first stirring member 41 stir and throw the soil and the fertilizer down onto the second stirring member 42 together, then the soil and the soil are lifted upwards again through the second stirring member 42 which is reversed, and the soil and the fertilizer are mixed deeply.

Preferably, in order to make the soil and fertilizer be able to be thrown out and lifted more smoothly, the stirring shaft of the second stirring member 42 is an arc surface, the outer arc surface is a front surface, and is connected with the soil and fertilizer in an opposite manner, when the soil and fertilizer is thrown down from the first stirring member 41, the second stirring member 42 rotates, the soil and fertilizer flows on the arc surface due to the rotation effect of the second stirring member 42, and when the soil and fertilizer are lifted up, the lighter soil is lifted higher, the heavier soil blocks and fertilizer directly fall down, and fall into the dug ditch more quickly, and are positioned in the deep layer of the fertilizing ditch, so that the deep root system can absorb the nutrition of the fertilizer more quickly.

Preferably, in order to improve the soil-digging efficiency of the soil-digging mechanism 3 and enable the soil-digging mechanism 3 to dig out a fertilization ditch of a proper depth, the fertilization ditch is generally required to dig out a depth of 30cm-45cm, as shown in fig. 1, and further comprising: the device comprises an angle adjusting rod 7, an angle adjusting plate 71, an air pump 81, an air charging plate 82 and an air bag 8, wherein the fixed end of the angle adjusting rod 7 is arranged on the vehicle body 1 and is driven by hydraulic pressure; one end of an angle adjusting plate 71 is connected to the mounting shell 5, and the other end is connected to the telescopic end of the angle adjusting rod 7; an air pump 81 is arranged on the fertilizer conveying pipe 6; the air charging plate 82 is arranged below the fertilizer conveying pipe 6, an air charging port and an air outlet are arranged on the air charging plate 82, and the air charging port of the air pump 81 is communicated with the air charging port of the air charging plate 82 through a pipe body; the gasbag 8 is connected between the aeration plate 82 with install shell 5 top, gasbag 8 passes through body and gas outlet intercommunication, the volume inflation is inflated to the one end of gasbag 8, angle adjustment pole 7 extends, make angle adjustment board 71 one end upwards, and the installation shell 5 on the pulling other end upwards, make earth-moving mechanism 3 more vertical, rethread air pump 81 is inflated to aerifing in the aeration plate 82, the left end inflation of messenger's gasbag 8, extrusion installation shell 5 keeps decurrent pressure, when making earth-moving, can not perk, make earth-moving mechanism 3 can be continuous obtain decurrent pressure, make earth-moving efficiency higher, through the inflation volume of control gasbag 8, the degree of depth of control earth-moving mechanism 3 deep into the soil.

Example 2:

in embodiment 1, the first backfill pipe 4 can effectively mix soil and fertilizer during backfill, so that the efficiency of backfill and fertilization is improved, but after the fertilizer and the soil are mixed, the backfill cannot be layered, so that some fertilizer floats on the surface of a fertilization ditch, and the root system of a fruit tree cannot obtain more fertilizer nutrients.

As shown in fig. 4, in order to keep most of the fertilizer in the deep part of the fertilization ditch and prevent most of the fertilizer from floating on the surface of the fertilization ditch after backfilling, a second backfill pipe 9 is arranged beside the first backfill pipe 4, the second backfill plate 9 and the first backfill pipe 4 are arranged next to each other, the second backfill pipe 9 and the first backfill pipe 4 are separated by a sieve plate 91, the sieve mesh size of the sieve plate 91 is smaller than the size of fertilizer particles, as in embodiment 1, the first stirring member and the second stirring member rotate to stir and scatter the fertilizer and the soil blocks, the fertilizer and the soil blocks are blocked on the right side of the sieve plate 91, the soil blocks are soil blocks containing more water in the fertilization ditch depth, the soil blocks are larger than the particles, the soil blocks fall from the first backfill pipe 4, the soil particles are scattered into the second backfill pipe 9, and the soil particles fall from the second backfill pipe 9.

Preferably, in order to improve the stirring effect of the first stirring member and the second stirring member, a plurality of guiding slopes 46 with conical sections are arranged in the first backfill pipe 4, the guiding slopes 46 are alternately arranged between the first stirring member 41 and the second stirring member 42, and the guiding slopes 46 can enable the soil and the fertilizer to obtain a short supporting force, so that the soil and the fertilizer can be transported and stirred by the blades of the stirring member more effectively.

Preferably, in order to make the layering effect of first backfill pipe 4 and second backfill pipe 9 better, make massive soil and fertilizer lie in the deep of fertilization ditch, make the thicker root system of deep can absorb more nutrients, make tiny soil lie in the upper strata, reduce the possibility that fertilizer floats on fertilization ditch surface, the bottom of second backfill pipe 9 is equipped with arc 92, the one end of arc 92 is connected in the position between first backfill pipe 4 and the second backfill pipe 9, arc 92 slope sets up, and the intrados face is towards the export of second backfill pipe 9, be equipped with the plow 93 that a plurality of rectangle array were arranged on the extrados of arc 92, the soil and the fertilizer of first backfill pipe 4 directly fall in the fertilization ditch, when the automobile body removed, the continuous filling fertilization ditch, and the soil of second backfill pipe 9 need fall on arc 92 earlier, and the reverse extension of the direction of the earth end of arc 92 to the automobile body removal makes the soil of first pipe 4 backfill earlier, through the removal of automobile body, makes the soil of second pipe 9 spill on the backfill of the soil of good fertilization ditch and backfill effect has reached.

Example 3:

unlike embodiment 2, because the soil digging mechanism will scatter part of the soil on two sides of the fertilization trench when digging the trench, and the first backfill pipe and the second backfill pipe will cause soil to scatter on two sides of the fertilization trench when backfilling soil, not only the fertilization trench cannot be filled up, but also the orchard environment will be disordered, so embodiment 3 further comprises: two floor-sweeping whisks 10 are symmetrically arranged on two sides of the second backfill pipe 9, the floor-sweeping whisks 10 rotate through a driving mechanism, as shown in fig. 5, the floor-sweeping whisks 10 are positioned on two sides of an arc-shaped plate 92 and are further away from the position of a vehicle body, when soil is backfilled, the floor-sweeping whisks 10 rotate, the soil dug out by the soil-digging mechanism and scattered soil backfilled by the first backfill pipe and the second backfill pipe are scanned into a fertilization ditch again, broken soil, leaves and branches beside the fertilization ditch can be filled into the fertilization ditch together, an orchard can be cleaned, the leaves and branches can be filled back into the fertilization ditch for use, the level of soil organic matters is improved, and thus the fertilization effect is improved.

Specifically, the driving mechanism includes: a first bevel gear 103, a fourth transmission belt driving piece 101, two reversing gears 102 and a second bevel gear 104, wherein the shaft body of the first bevel gear 103 is arranged on the side wall of the second backfill pipe 9; one driving wheel of the fourth driving belt driving member 101 is arranged on the side wall of the second backfilling tube 9, and the other driving wheel is arranged on the shaft body of the first stirring member 41; one of the two reversing gears 102 is arranged on the shaft body of the driving wheel of the second backfill pipe 9, the other one is arranged on the shaft body of the first bevel gear 103, the two reversing gears 102 are meshed with each other, the second bevel gear 104 is arranged at one end of the rod body of the sweeping duster 10 and meshed with the first bevel gear 103, the second driving belt driving member 44 enables the fourth driving belt driving member 101 to rotate, one reversing gear 103 rotates, the first bevel gear rotates through the meshing of the reversing gears 103, the sweeping duster 10 sweeps fallen leaves, branches and the like into the top of a fertilization ditch through the second bevel gear, the organic matter level of soil is improved, and the fertilization effect is improved.

It is worth to say that the vehicle body is internally provided with a fuel generator which can provide power for electric devices on the device.

The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.

Claims

1. The utility model provides a fruit tree annular ditch fertilizer injection unit, includes automobile body (1), is equipped with fertilizer case (2) on automobile body (1), its characterized in that includes:

one end of a fertilizer conveying pipe (6) is connected with a discharge hole of the fertilizer box (2), and a conveying auger (61) is arranged in the fertilizer conveying pipe;

the mounting shell (5) is connected below the fertilizer conveying pipe (6) through a connecting piece (51);

dig soil mechanism (3), slope setting includes: the soil excavating device comprises a chain wheel driving assembly (31) and a plurality of soil excavating pieces (32) arranged on a chain, wherein a chain wheel at one end of the chain wheel driving assembly (31) is arranged on a mounting shell (5), and a first transmission belt driving piece (33) is sleeved on the chain wheel driving assembly (31);

the first backfill pipe (4), one end is connected on the installation shell (5), the orientation of first backfill pipe (4) the opening part of sprocket drive assembly (31) is equipped with connects soil swash plate (45), is used for holding the soil that digs out of dig piece (32), first backfill pipe (4) with fertilizer conveyer pipe (6) are through intercommunication hose (62) intercommunication, be equipped with a plurality of first stirring piece (41) in first backfill pipe (4), a plurality of the pipe wall of first backfill pipe (4) is run through to the axle of first stirring piece (41) to establish second drive belt drive piece (44) at epaxial cover, through second drive belt drive piece (44) through the drive, third drive belt drive piece (63) is established to the cover between the axis body and the sprocket axle of first stirring piece (41).

2. The fruit tree annular furrow application device according to claim 1, wherein the earth digging element (32) comprises: a soil digging pocket (321) with one side arranged on the chain and a plurality of soil breaking rakes (322) arranged on the other side of the soil digging pocket (321).

3. The fruit tree annular furrow fertilizer device of claim 1, further comprising: the stirring device comprises a plurality of second stirring pieces (42) and a plurality of gears (43), wherein the shaft body of the second stirring pieces (42) penetrates through the side wall of the first backfilling pipe (4), one second stirring piece (42) and the first stirring piece (41) are in a group, and the first stirring piece (41) and the second stirring piece (42) are meshed through the gears (43).

4. A fruit tree annular furrow application device according to claim 3, characterized in that the stirring shaft of the second stirring member (42) is an arc-shaped surface.

5. The fruit tree annular furrow fertilizer device of claim 1, further comprising:

the fixed end of the angle adjusting rod (7) is arranged on the vehicle body (1);

an angle adjusting plate (71) with one end connected to the mounting case (5) and the other end connected to the telescopic end of the angle adjusting rod (7);

an air pump (81) arranged on the fertilizer conveying pipe (6);

the air charging plate (82) is arranged below the fertilizer conveying pipe (6), an air charging port and an air outlet are formed in the air charging plate (82), and the air charging port of the air pump (81) is communicated with the air charging port of the air charging plate (82) through a pipe body;

the air bag (8) is connected between the air inflation plate (82) and the top of the installation shell (5), the air bag (8) is communicated with the air outlet through a pipe body, and one end of the air bag (8) is inflated to expand in volume.

6. The fruit tree annular furrow fertilizer device of claim 1, further comprising: the second backfill pipe (9), second backfill board (9) with first backfill pipe (4) are adjacent to set up, and separate through sieve (91) between second backfill pipe (9) and the first backfill pipe (4), the sieve mesh size of sieve (91) is less than the size of fertilizer granule.

7. The fruit tree annular ditch fertilizing device according to claim 6, wherein a plurality of diversion slopes (46) with conical sections are arranged in the first backfill pipe (4), and the diversion slopes (46) are arranged between the first stirring piece (41) and the second stirring piece (42) in a staggered manner.

8. The fruit tree annular ditch fertilizing device according to claim 6, wherein an arc plate (92) is arranged at the bottom of the second backfill pipe (9), one end of the arc plate (92) is connected between the first backfill pipe (4) and the second backfill pipe (9), the arc plate (92) is obliquely arranged, an intrados surface faces the outlet of the second backfill pipe (9), and a plurality of ploughs (93) arrayed in a rectangular mode are arranged on the extrados surface of the arc plate (92).

9. The fruit tree annular furrow application device according to claim 6, further comprising: the two sweeping whisks (10) are symmetrically arranged at two sides of the second backfill pipe (9), and the sweeping whisks (10) rotate through the driving mechanism.

10. The fruit tree annular furrow application device according to claim 9, wherein the drive mechanism comprises:

a first bevel gear (103) arranged on the side wall of the second backfill pipe (9);

a fourth driving belt driving part (101), one driving wheel is arranged on the side wall of the second backfilling pipe (9), and the other driving wheel is arranged on the shaft body of the first stirring part (41);

two reversing gears (102), one of which is arranged on the shaft body of the driving wheel of the second backfill pipe (9) and the other of which is arranged on the shaft body of the first bevel gear (103), wherein the two reversing gears (102) are meshed with each other;

the second bevel gear (104) is arranged at one end of the rod body of the sweeping duster (10) and meshed with the first bevel gear (103).