CN212910767U - Fertilizer injection unit for planting honey pomelos - Google Patents

Abstract

The utility model discloses a sweet shaddock is planted and is used fertilizer injection unit, the camera includes a supporting plate, the backup pad is equipped with in proper order from the right side to a left side and digs hole mechanism, fertilizing mechanism and soil backfills the mechanism, dig hole mechanism and include first motor, fixed plate, drive shaft, disc, stopper and dig hole pole, fertilizing mechanism is including storing up a fertilizer section of thick bamboo, second motor, first driving shaft, first driven shaft, first action wheel, first driven wheel, sector gear and control valve, soil backfills the mechanism and includes lifting unit, soil backfill drive chamber, connecting rod and scraper, soil backfill drive intracavity is equipped with soil and backfills the subassembly, the subassembly is backfilled to soil includes third motor, second driving shaft, second action wheel, second driven shaft, second from driving wheel, first gear, second gear, spur rack and bracing piece. The utility model relates to the field of agricultural technologies, specifically be an automatic dig hole, quantitative fertilization and half automatic soil backfill's honey shaddock is planted and is used fertilizer injection unit.

Description

Fertilizer injection unit for planting honey pomelos

Technical Field

The utility model relates to the field of agricultural technology, specifically a honey shaddock is planted and is used fertilizer injection unit.

Background

The conventional fertilizer applying device for planting the honey pomelos is a two-wheeled trolley generally, the trolley is large in conveying capacity, the whole process of fertilizer application needs people to operate, a large amount of physical force can be consumed by operators from pit digging, fertilizer application to soil backfilling, the labor intensity is high, the conventional fertilizer applying device for planting the honey pomelos is not provided with a quantitative fertilizer applying structure generally, and the foreign quantitative fertilizer applying structure is quite complex and expensive and is not suitable for vast rural areas.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an automatic dig hole, quantitative fertilization and half automatic soil backfill's honey shaddock is planted and is used fertilizer injection unit.

The utility model adopts the following technical scheme: the utility model relates to a fertilizing device for planting honey pomelos, which comprises a supporting plate, wherein both ends of the bottom of the supporting plate are provided with bearing plates, the supporting plate is provided with a pit digging mechanism, a fertilizing mechanism and a soil backfilling mechanism from right to left in sequence, the supporting plate is provided with through holes, the through holes are arranged corresponding to the pit digging mechanism, the pit digging mechanism comprises a first motor, a fixed plate, a driving shaft, a disc, a limit block and a pit digging rod, the first motor is arranged on the bottom wall of the supporting plate, the fixed plate penetrates through and is arranged on the supporting plate, the fixed plate is vertically arranged with the supporting plate, the driving shaft is rotatably arranged on the fixed plate, the driving shaft is connected with an output shaft of the first motor, the disc is arranged on the driving shaft, the limit block is hinged on the fixed plate, the limit block is arranged above the supporting, the upper part of the pit digging rod is arranged in the sliding groove in a sliding way, the pit digging rod is arranged corresponding to the through hole, when the first motor is started, the first motor drives the driving shaft to rotate, the driving shaft drives the disc to rotate, the disc rotates to drive the pit digging rod to rotate, the upper part of the pit digging rod is limited to slide in the sliding groove through the action of the limiting block, the limiting block is hinged on the fixing plate, the limiting block can rotate along with the rotation of the pit digging rod, the upper part of the pit digging rod slides back and forth in the sliding groove, a large space occupied by the rotation of the upper part of the pit digging rod is saved, the circular motion of the bottom of the pit digging rod is not influenced, namely the pit digging action of the bottom of the pit digging rod is not influenced, the fertilizing mechanism comprises a fertilizer storage barrel, a second motor, a first driving shaft, a first driven shaft, a first driving wheel, a first driven wheel, a sector gear and, the fertilizer storage barrel is characterized in that a discharge pipe is arranged at the bottom of the fertilizer storage barrel and is communicated with the fertilizer storage barrel, the discharge pipe is arranged on a supporting plate in a penetrating manner, a discharge port is arranged at the bottom of the discharge pipe and is arranged below the supporting plate, a control valve is arranged on one side, penetrating out of the supporting plate, of the discharge pipe, a second motor is arranged on the top wall of the supporting plate, a first driving shaft is rotatably arranged on the supporting plate and is connected with an output shaft of the second motor, a first driving wheel is arranged on the first driving shaft, a first driven shaft is rotatably arranged on the supporting plate, a first driven wheel is arranged on a first driven shaft, the first driven wheel is meshed with the first driving wheel, a sector gear is arranged on the first driven shaft and is arranged below the discharge pipe, in an initial state, the sector gear is arranged under the discharge pipe and, firstly opening a control valve arranged at the lower part of a discharge pipe, then starting a second motor, driving a first driving wheel to rotate by the second motor, driving a first driven wheel meshed with the first driving wheel to rotate by the first driving wheel, driving a sector gear to rotate by the first driven shaft, driving the sector gear to rotate, opening a discharge port, leading out fertilizer from a fertilizer storage cylinder, plugging the discharge port after the sector gear rotates for one circle, quantitatively fertilizing honey pomelo trees, arranging a supporting block at the bottom of a right bearing plate, arranging a lifting assembly on the bottom wall of a supporting plate, arranging a soil backfilling driving cavity on the lifting assembly, arranging a connecting rod on the bottom wall of the soil driving cavity, arranging a soil scraping plate at the bottom of the connecting rod, and arranging a soil backfilling assembly in the soil backfilling driving cavity, the soil backfilling component comprises a third motor, a second driving shaft, a second driving wheel, a second driven shaft, a second driven wheel, a first gear, a second gear, a straight rack and a supporting rod, the third motor is arranged on one side of the soil backfilling driving cavity, the second driving shaft is rotatably arranged on two opposite side walls of the soil backfilling driving cavity, the second driving shaft is connected with an output shaft of the third motor, the second driving wheel is arranged on the second driving shaft, the second driven shaft is rotatably arranged on two opposite side walls of the soil backfilling driving cavity, the second driven wheel is arranged on the second driven shaft, the second driven wheel is meshed with the second driving wheel, the first gear is arranged on the second driving shaft, the second gear is arranged on the second driven shaft, the supporting rod is arranged between the two opposite side walls of the soil backfilling driving cavity, and the supporting rod is vertically arranged with the second driving shaft, the supporting rod is provided with a groove, the straight racks are provided with two groups, two groups of straight racks are arranged in the groove in a sliding manner, the two groups of straight racks are symmetrically arranged along the central shaft of the soil backfill driving cavity, one group of straight racks are meshed with the first gear, the other group of straight racks are meshed with the second gear, the connecting rod is provided with two groups, two groups of connecting rods are respectively arranged at the bottoms of the two groups of straight racks, a scraping plate is arranged below the two groups of connecting rods, when a third motor is started, a motor output shaft drives a driving shaft to rotate, the driving shaft drives a second driving wheel to rotate, the second driving wheel drives a second driven wheel which is meshed with the second driving wheel to rotate, the rotating direction of the second driven wheel is opposite to that of the first driving wheel, the second driving shaft drives the first gear to rotate, a second driven shaft drives the second gear to rotate, the two groups of straight racks are respectively meshed with the first gear and the second gear to move relatively or imaginarily, and the two groups of straight racks drive the two groups of soil scraping plates to move relatively or oppositely through the two groups of connecting rods, so that soil on two sides of the fertilization pit is backfilled.

Further, the lifting assembly comprises a screw rod and a rocker, the two ends of the screw rod are respectively rotatably arranged on the bottom wall of the supporting plate and the supporting block, the screw rod penetrates through the supporting block, the rocker is arranged at one end of the screw rod, the rocker is positioned above the supporting plate, the soil backfilling driving cavity is arranged on the screw rod through threaded connection, the screw rod rotates through rocking of the rocker, and the soil backfilling driving cavity reciprocates up and down along the screw rod.

Further, dig hole mechanism and be equipped with two sets ofly, two sets of dig hole mechanism sets up along backup pad center pin symmetry, and two sets of speed of digging the hole are accelerated to dig hole mechanism, dig hole pole bottom and be equipped with and dig hole shovel, dig hole shovel and be convenient for insert soil and dig the hole.

Preferably, universal wheels are arranged at the bottoms of the two groups of bearing plates.

Preferably, the fertilizer storage cylinder is arranged as an inverted cone, so that fertilizer is conveniently led out.

Preferably, the discharging pipe is hard pipe, and hard discharging pipe can not warp when fertilizer is derived, avoids sector gear to rotate to discharge gate department, appears the gap when carrying out the shutoff to the discharge gate and causes fertilizer to spill.

Preferably, a cylinder cover is arranged on the feed inlet.

Preferably, a push rod is arranged on one side of the supporting plate, and a handle is arranged on the push rod.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the fertilizing device for planting the honey pomelos, due to the arrangement of the pit digging mechanisms, consumed physical force of manual pit digging is saved for honey pomelo planters during fertilizing, and the pit digging speed is increased due to the simultaneous operation of the two sets of pit digging mechanisms; the fertilizer applying mechanism is provided with the sector gear, when the second motor drives the first driving wheel to rotate, the first driving wheel drives the first driven wheel and the first driven shaft to rotate, so that the sector gear is driven to rotate, the discharge hole is blocked intermittently, and the fertilizer can be quantitatively put in; through setting up soil backfilling mechanism, soil around the hole after the fertilization is backfilled, soil backfilling mechanism is semi-automatic setting, soil backfilling subassembly combines lifting unit, can adjust the height of scraping the native board according to the actual conditions who digs the hole, and easy operation, when digging hole mechanism, fertilizing mechanism and soil backfilling mechanism integration in the backup pad, through being equipped with the push rod in universal wheel and the backup pad that sets up under the bearing plate, make honey shaddock grower push away to need fertilize the position operate can, the intensity of labour who has alleviateed honey shaddock grower.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a fertilizer apparatus for planting honey pomelos of the present invention;

FIG. 2 is a schematic view of a pit digging mechanism of the fertilizing device for planting honey pomelos of the utility model;

fig. 3 is the utility model relates to a honey shaddock is planted with fertilizer injection unit soil backfill subassembly schematic structure.

Wherein, 1, a support plate, 2, a bearing plate, 3, a pit digging mechanism, 4, a fertilizing mechanism, 5, a soil backfilling mechanism, 6, a through hole, 7, a first motor, 8, a fixing plate, 9, a driving shaft, 10, a disk, 11, a limiting block, 12, a pit digging rod, 13, a sliding chute, 14, a fertilizer storage barrel, 15, a second motor, 16, a first driving shaft, 17, a first driven shaft, 18, a first driving wheel, 19, a first driven wheel, 20, a sector gear, 21, a control valve, 22, a feeding hole, 23, a discharging pipe, 24, a discharging hole, 25, a supporting block, 26, a lifting component, 27, a soil driving cavity, 28, a connecting rod, 29, a soil scraping plate, 30, a soil backfilling component, 31, a third motor, 32, a second driving shaft, 33, a second driving wheel, 34, a second driven shaft, 35, a second driven wheel, 36, a first gear, 37, a second gear, 38. spur rack 39, support rod 40, groove 41, screw rod 42, rocker 43, pit digging shovel 44, universal wheel 45, cylinder cover 46, push rod 47 and handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in figures 1-3, the utility model relates to a fertilizing device for planting honey pomelos, which comprises a supporting plate 1, both ends of the bottom of the supporting plate 1 are provided with bearing plates 2, the supporting plate 1 is provided with a pit digging mechanism 3, a fertilizing mechanism 4 and a soil backfilling mechanism 5 from right to left in sequence, the supporting plate 1 is provided with a through hole 6, the through hole 6 is arranged corresponding to the pit digging mechanism 3, the pit digging mechanism 3 comprises a first motor 7, a fixing plate 8, a driving shaft 9, a disc 10, a limiting block 11 and a pit digging rod 12, the first motor 7 is arranged on the bottom wall of the supporting plate 1, the fixing plate 8 penetrates and is arranged on the supporting plate 1, the fixing plate 8 is arranged perpendicular to the supporting plate 1, the driving shaft 9 is arranged on the fixing plate 8 in a rotating way, the driving shaft 9 is connected with an output shaft of the first motor 7, the disc 10 is arranged on the driving, the middle part of a pit digging rod 12 is hinged on a disc 10, the upper part of the pit digging rod 12 is arranged in a sliding groove 13 in a sliding way, the pit digging rod 12 is arranged corresponding to a through hole 6, when a first motor 7 is started, the first motor 7 drives a driving shaft 9 to rotate, the driving shaft 9 drives the disc 10 to rotate, the disc 10 rotates to drive the pit digging rod 12 to rotate, through the action of a limiting block 11, the upper part of the pit digging rod 12 is limited to slide in the sliding groove 13, the limiting block 11 is hinged on a fixing plate 8, the limiting block 11 can rotate along with the rotation of the pit digging rod 12, the upper part of the pit digging rod 12 slides back and forth in the sliding groove 13, a large amount of space occupied by the rotation of the upper part of the pit digging rod 12 is saved, and the bottom of the pit digging rod 12 is not influenced to do circular motion, namely the bottom of the pit digging rod 12 is not influenced to do pit digging motion, the fertilizing mechanism 4 comprises, A first driven wheel 19, a sector gear 20 and a control valve 21, wherein the fertilizer storage barrel 14 is arranged on the support plate 1, the top of the fertilizer storage barrel 14 is provided with a feed inlet 22, the bottom of the fertilizer storage barrel 14 is provided with a discharge pipe 23, the discharge pipe 23 is communicated with the fertilizer storage barrel 14, the discharge pipe 23 is arranged on the support plate 1 in a penetrating way, the bottom of the discharge pipe 23 is provided with a discharge port 24, the discharge port 24 is arranged below the support plate 1, the discharge pipe 23 penetrates out of one side of the support plate 1 and is provided with the control valve 21, a second motor 15 is arranged on the top wall of the support plate 1, a first driving shaft 16 is rotatably arranged on the support plate 1, the first driving shaft 16 is connected with an output shaft of the second motor 15, a first driving wheel 18 is arranged on the first driving shaft 16, a first driven shaft 17 is rotatably arranged on the support plate 1, the first driven wheel 19 is arranged on the first driven shaft, in the initial state, the sector gear 20 is positioned under the discharge pipe 23, the sector gear 20 blocks the discharge pipe 23, when fertilization is needed, the control valve 21 arranged at the lower part of the discharge pipe 23 is firstly opened, then the second motor 15 is started, the second motor 15 drives the first driving wheel 18 to rotate, the first driving wheel 18 drives the first driven wheel 19 meshed with the first driving wheel to rotate, the first driven shaft 17 rotates along with the first driven shaft 17, the first driven shaft 17 rotates to drive the sector gear 20 to rotate, the sector gear 20 rotates to open the discharge port 24, fertilizer is led out from the fertilizer storage cylinder 14, the discharge port 24 is blocked after the sector gear 20 rotates for one circle, quantitative fertilization is carried out on honey pomelos, the bottom of the right side bearing plate 2 is provided with a supporting block 25, the soil backfilling mechanism 5 comprises a lifting component 26, a soil backfilling driving cavity 27, a connecting rod 28 and a soil scraping plate 29, the lifting component 26 is arranged on the bottom wall of the supporting plate 1, the connecting rod 28 is arranged on the bottom wall of the soil backfilling driving cavity 27, the scraping plate 29 is arranged at the bottom of the connecting rod 28, the soil backfilling assembly 30 is arranged in the soil backfilling driving cavity 27, the soil backfilling assembly 30 comprises a third motor 31, a second driving shaft 32, a second driving wheel 33, a second driven shaft 34, a second driven wheel 35, a first gear 36, a second gear 37, a straight rack 38 and a supporting rod 39, the third motor 31 is arranged on one side of the soil backfilling driving cavity 27, the second driving shaft 32 is rotatably arranged on two opposite side walls of the soil backfilling driving cavity 27, the second driving shaft 32 is connected with an output shaft of the third motor 31, the second driving wheel 33 is arranged on the second driving shaft 32, the second driven shaft 34 is rotatably arranged on the two opposite side walls of the soil backfilling driving cavity 27, the second driven wheel 35 is arranged on the second driven shaft 34, the second driven wheel 35 is meshed with the second driving wheel, the second gear 37 is arranged on the second driven shaft 34, the support rod 39 is arranged between two opposite side walls of the soil backfilling driving cavity 27, the support rod 39 is perpendicular to the second driving shaft 32, the support rod 39 is provided with a groove 40, two groups of straight racks 38 are arranged in the groove 40 in a sliding manner, the two groups of straight racks 38 are symmetrically arranged along the central axis of the soil backfilling driving cavity 27, one group of straight racks 38 is meshed with the first gear 36, the other group of straight racks 38 is meshed with the second gear 37, two groups of connecting rods 28 are arranged, two groups of connecting rods 28 are respectively arranged at the bottoms of the two groups of straight racks 38, soil scraping plates 29 are arranged below the two groups of connecting rods 28, when the third motor 31 is started, an output shaft of the motor drives the driving shaft to rotate, the driving shaft drives the second driving wheel 33 to rotate, the second driving wheel 33 rotates to drive the second driven wheel 35 meshed with the second driving, the second driving shaft 32 drives the first gear 36 to rotate in a quasi-east manner, the second driven shaft 34 drives the second gear 37 to rotate, the first gear 36 and the second gear 37 rotate in opposite directions, the first gear 36 and the second gear 37 are respectively meshed with the two groups of straight racks 38 to move oppositely or imaginarily, and the two groups of straight racks 38 move to drive the two groups of soil scraping plates 29 to move oppositely or oppositely through the two groups of connecting rods 28, so that soil on two sides of the fertilizing pit is backfilled.

The lifting assembly 26 comprises a screw rod 41 and a rocker 42, two ends of the screw rod 41 are respectively rotatably arranged on the bottom wall of the support plate 1 and the support block 25, the screw rod 41 penetrates through the support block 25, the rocker 42 is arranged at one end of the screw rod 41, the rocker 42 is positioned above the support plate 1, the soil backfilling driving cavity 27 is arranged on the screw rod 41 through threaded connection, and the screw rod 41 rotates and the soil backfilling driving cavity 27 reciprocates up and down along the screw rod 41 by swinging the rocker 42. Dig hole mechanism 3 and be equipped with two sets ofly, two sets of mechanisms of digging hole 3 set up along 1 central axis of backup pad symmetry, and two sets of mechanisms of digging hole 3 accelerate the speed of digging the hole, dig hole pole 12 bottom and be equipped with and dig hole shovel 43, dig hole shovel and be convenient for insert soil and dig the hole. The bottoms of the two groups of bearing plates 2 are provided with universal wheels 44. The fertilizer storage cylinder 14 is an inverted cone table, so that fertilizer can be conveniently led out. Discharging pipe 23 is the stereoplasm pipe, and stereoplasm discharging pipe 23 can not warp when fertilizer is derived, avoids sector gear 20 to rotate to discharge gate 24 department, appears the gap when carrying out the shutoff to discharge gate 24 and causes fertilizer to spill. The feed port 22 is provided with a cylinder cover 45. A push rod 46 is arranged on one side of the supporting plate 1, and a handle 47 is arranged on the push rod 46.

When the device is used, the universal wheel 43 arranged at the bottom of the bearing plate 2 and the push rod 46 arranged at one side of the support plate 1 are used for pushing the fertilizing device to a fertilizing area of honey pomelos, the first motor 7 is started, the first motor 7 drives the driving shaft 9 to rotate, the driving shaft drives the disc 10 to rotate, the disc 10 rotates to drive the pit digging rod 12 to rotate, the upper part of the pit digging rod 12 is limited in the chute 13 to slide up and down under the action of the limiting block 11, the limiting block 11 is hinged on the fixing plate 8, the limiting block 11 can rotate along with the rotation of the pit digging rod 12, the occupied space for rotating the upper part of the pit digging rod 12 is saved, the bottom of the pit digging rod 12 is not influenced to do circular motion, namely, the pit digging action of the bottom of the pit digging rod 12 is not influenced, the support plate 1 is pushed to move forwards or backwards in the pit digging process according to the size requirement of a fertilizer pit, the control valve 21 arranged at, then the second motor 15 is started, the second motor 15 drives the first driving wheel 18 to rotate, the first driving wheel 18 drives the first driven wheel 19 meshed with the first driving wheel to rotate, the first driven shaft 17 rotates along with the first driven shaft, the first driven shaft 17 rotates to drive the sector gear 20 to rotate, the sector gear 20 rotates to open the discharge hole 24, fertilizer is led out from the fertilizer storage cylinder 14, the discharge hole 24 is blocked after the sector gear 20 rotates for one circle, quantitative fertilization is carried out on honey pomelo trees, the position of the support plate 1 is moved according to the actual fertilization position, after fertilization, the third motor 31 is started, the motor output shaft drives the driving shaft to rotate, the driving shaft drives the second driving wheel 33 to rotate, the second driving wheel 33 rotates to drive the second driven wheel 35 meshed with the second driving wheel to rotate, the rotation direction of the second driven wheel 35 is opposite to the direction of the first driving wheel 18, and the second driving shaft 32 drives the first gear, the second driven shaft 34 rotates to drive the second gear 37 to rotate, the first gear 36 and the second gear 37 rotate in opposite directions, the first gear 36 and the second gear 37 are respectively meshed with two groups of straight racks 38 to move relatively or imaginarily, the two groups of straight racks 38 move to drive the two groups of soil scraping plates 29 to move relatively or oppositely through the two groups of connecting rods 28, and therefore soil on two sides of the fertilizing pit is backfilled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a honey shaddock is planted and is used fertilizer injection unit which characterized in that: the soil digging device comprises a supporting plate, wherein both ends of the bottom of the supporting plate are respectively provided with a bearing plate, the supporting plate is sequentially provided with a pit digging mechanism, a fertilizing mechanism and a soil backfilling mechanism from right to left, a through hole is arranged on the supporting plate and corresponds to the pit digging mechanism, the pit digging mechanism comprises a first motor, a fixed plate, a driving shaft, a disc, a limiting block and a pit digging rod, the first motor is arranged on the bottom wall of the supporting plate, the fixed plate penetrates through and is arranged on the supporting plate, the fixed plate is vertically arranged with the supporting plate, the driving shaft is rotatably arranged on the fixed plate, the driving shaft is connected with an output shaft of the first motor, the disc is arranged on the driving shaft, the limiting block is hinged on the fixed plate and is positioned above the supporting plate, a sliding groove is arranged in the limiting block, the middle part, the pit digging rod is arranged corresponding to the through hole, the fertilizing mechanism comprises a fertilizer storage barrel, a second motor, a first driving shaft, a first driven shaft, a first driving wheel, a first driven wheel, a sector gear and a control valve, the fertilizer storage barrel is arranged on a supporting plate, a feed inlet is formed in the top of the fertilizer storage barrel, a discharge pipe is arranged at the bottom of the fertilizer storage barrel and communicated with the fertilizer storage barrel, the discharge pipe is arranged on the supporting plate in a penetrating manner, a discharge outlet is formed in the bottom of the discharge pipe and arranged below the supporting plate, a control valve is arranged on one side, penetrating out of the supporting plate, of the discharge pipe, the second motor is arranged on the top wall of the supporting plate, the first driving shaft is rotatably arranged on the supporting plate and connected with an output shaft of the second motor, the first driving wheel is arranged on the first driving shaft, the first driven shaft is rotatably arranged on the supporting plate, the first driven wheel is meshed with the first driving wheel, the sector gear is arranged on the first driven shaft, the sector gear is positioned below the discharging pipe, a supporting block is arranged at the bottom of the right bearing plate, the soil backfilling mechanism comprises a lifting assembly, a soil backfilling driving cavity, a connecting rod and a soil scraping plate, the lifting assembly is arranged on the bottom wall of the supporting plate, the soil backfilling driving cavity is arranged on the lifting assembly, the connecting rod is arranged on the bottom wall of the soil backfilling driving cavity, the soil scraping plate is arranged at the bottom of the connecting rod, a soil backfilling assembly is arranged in the soil backfilling driving cavity, the soil backfilling assembly comprises a third motor, a second driving shaft, a second driving wheel, a second driven shaft, a first driven wheel, a first gear, a second gear, a straight rack and a supporting rod, the third motor is arranged on one side of the soil backfilling driving cavity, the second driving shaft is rotatably, the second driving shaft is connected with a third motor output shaft, the second driving wheel is arranged on the second driving shaft, the second driven shaft is rotatably arranged on two opposite side walls of a soil backfilling driving cavity, the second driven wheel is arranged on the second driven shaft, the second driven wheel is meshed with the second driving wheel, the first gear is arranged on the second driving shaft, the second gear is arranged on the second driven shaft, the supporting rod is arranged between the two opposite side walls of the soil backfilling driving cavity, the supporting rod is vertically arranged with the second driving shaft, a groove is arranged on the supporting rod, two groups of straight racks are arranged in the groove in a sliding manner, the two groups of straight racks are symmetrically arranged along the central axis of the soil backfilling driving cavity, one group of straight racks is meshed with the first gear, the other group of straight racks is meshed with the second gear, and the connecting rod is provided with two groups, the two groups of connecting rods are respectively arranged at the bottoms of the two groups of straight racks, and soil scraping plates are arranged below the two groups of connecting rods.

2. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: the lifting assembly comprises a screw and a rocker, the two ends of the screw are respectively rotatably arranged on the bottom wall of the supporting plate and the supporting block, the screw penetrates through the supporting block, the rocker is arranged at one end of the screw, the rocker is positioned above the supporting plate, and the soil backfilling driving cavity is arranged on the screw through threaded connection.

3. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: the pit digging mechanisms are arranged in two groups, and the two groups of pit digging mechanisms are symmetrically arranged along the central shaft of the supporting plate.

4. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: and universal wheels are arranged at the bottoms of the two groups of bearing plates.

5. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: the fertilizer storage cylinder is arranged as an inverted cone.

6. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: the discharging pipe is a hard pipe.

7. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: and a cylinder cover is arranged on the feed inlet.

8. The fertilizing device for honey pomelo planting according to claim 1, characterized in that: a push rod is arranged on one side of the supporting plate, and a handle is arranged on the push rod.

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