Ditching, fertilizing and backfilling integrated operation device and operation method

Abstract

The invention relates to the technical field of fertilizing operation equipment, and discloses a ditching, fertilizing and backfilling integrated operation device and an operation method.The ditching, fertilizing and backfilling integrated operation device comprises a vehicle body, the vehicle body is provided with a movement mechanism, and the movement mechanism is used for driving the device to move, so that ditching and fertilizing are facilitated, and ditching can be achieved; the ditching width and depth can be adjusted during ditching, ditches with different depths can be dug, ditches with different shapes can be dug, ditching and fertilization can be conveniently carried out according to different fertilization environments, and the shape, width and depth of ditching can be adjusted; fertilizer can be applied, the fertilizer can be stirred and uniformly mixed during fertilizer application, and the fertilizer can be diffused during fertilizer application, so that the ditches are filled with the fertilizer; according to the invention, backfilling and burying can be carried out on the ditch after fertilization, and the buried soil is slowed down during backfilling and burying, so that the falling soil is prevented from impacting the fertilizer, and the fertilizer is prevented from being gathered together.

Description

Technical Field

[0001] The invention belongs to the technical field of fertilization operation equipment, and specifically relates to an integrated operation device and operation method for trenching, fertilizing and backfilling. Background Art

[0002] Fertilization equipment is a mechanical device or tool used to quantitatively and evenly apply fertilizer (solid, liquid or gaseous) to the soil or crop growth area according to agronomic requirements. Its core function is to improve fertilization efficiency, reduce manual labor, optimize fertilizer utilization, and promote crop growth.

[0003] The current fertilization equipment cannot dig different trenches according to different fertilization environments when digging trenches for fertilization, resulting in poor fertilization effects. In addition, the fertilizer cannot be diffused during the fertilization process, which easily causes the fertilizer to gather together, resulting in poor fertilization effects. Moreover, when burying the fertilizer after fertilization, the soil easily drives the fertilizer to gather together, resulting in uneven fertilization. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an integrated trenching, fertilizing and backfilling operation device and operation method, which effectively solves the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an integrated trenching, fertilizing and backfilling operation device, comprising a vehicle body, a moving mechanism is provided on the vehicle body, the moving mechanism is used to drive the device to move, so as to facilitate trenching and fertilizing, an adjusting mechanism is provided at the rear of the vehicle body, the adjusting mechanism is used to adjust the position and depth of trenching, the adjusting mechanism is connected with an angle adjusting mechanism, the angle adjusting mechanism is used to adjust the angle at the beginning of trenching, so as to facilitate better trenching, the angle adjusting mechanism is connected with a trenching mechanism, the trenching mechanism is used to trench, a fertilizing mechanism is provided on the vehicle body, the fertilizing mechanism is used to fertilize, the fertilizing mechanism is connected with a diffusion mechanism, the diffusion mechanism is used to diffuse fertilizer during fertilization, the angle adjusting mechanism is connected with a backfilling and burying mechanism, the backfilling and burying mechanism is used to backfill and bury the trench after fertilization.

[0006] Preferably, the ditching mechanism includes a ditching fixed shaft, the lower end of the ditching fixed shaft is fixedly connected to a ditching drive box, a bevel gear cavity is provided in the ditching drive box, the end wall of the bevel gear cavity is rotatably connected to the ditching drive shaft, the ditching drive shaft is connected to the ditching motor fixedly installed in the ditching drive box, the lower end of the ditching drive shaft is fixedly connected to a ditching active bevel gear, the ditching active bevel gear is meshed with the ditching driven bevel gear, the ditching driven bevel gear is fixedly installed on the outer surface of the ditching rotating shaft, the ditching rotating shaft passes through and is rotatably installed between the end walls of the bevel gear cavity, the end of the ditching rotating shaft is fixedly connected to a ditching drill bit, a hollow tube is connected between the ditching drill bit and the ditching drive box, and the hollow tube is connected to the ditching The ditching drill bits are rotatably connected, a ditching adjustment gear cavity is provided in the ditching drill bit, a ditching adjustment drive shaft is rotatably connected between the end walls of the ditching adjustment gear cavity, the ditching adjustment drive shaft is connected to the driving motor power fixedly installed in the ditching drill bit, the end of the ditching adjustment drive shaft is fixedly connected to a ditching adjustment active gear, the ditching adjustment active gear is meshed with a ditching adjustment annular rack, the ditching adjustment annular rack is rotatably installed on the end wall of the ditching adjustment gear cavity, the ditching adjustment annular rack is meshed with a plurality of ditching adjustment driven gears, the ditching adjustment driven gear is fixedly installed on the outer surface of the ditching adjustment screw rod, the ditching adjustment screw rod is rotatably installed on the ditching adjustment gear cavity and the end wall of the ditching adjustment slide groove, The groove adjustment slot is arranged on the end wall of the groove drill bit, the groove adjustment screw rod is threadedly connected with the groove adjustment nut tube, the groove adjustment nut tube is slidably connected to the end wall of the groove adjustment slot, the end of the groove adjustment nut tube is fixedly connected with a groove adjustment plate, the groove adjustment plate is slidably connected between the end walls of the groove adjustment slot, the upper part of the groove drive box is rotatably connected with a replacement electric screw rod, the replacement electric screw rod is threadedly connected with the replacement lifting plate, the replacement lifting plate is slidably connected to the outer surface of the groove fixed shaft, the replacement lifting plate is rotatably connected with a replacement electric rotating shaft, the outer surface of the replacement electric rotating shaft is fixedly connected with a replacement frame, and the lower side surface of the replacement frame is evenly fixedly connected with a plurality of rectangular groove adjustment frames, the rectangular A rectangular groove electric screw is rotatably connected to the groove adjustment frame, and a rectangular groove nut block is symmetrically threaded on the outer surface of the rectangular groove electric screw, and the rectangular groove nut block is slidably connected to the rectangular groove adjustment frame, and a rectangular groove adjustment electric push rod is fixedly connected to the end wall of the rectangular groove adjustment frame, and a rectangular groove opening plate is fixedly connected to the lower end of the rectangular groove adjustment electric push rod, and a plurality of V-shaped groove adjustment electric push rods are evenly fixedly connected to the upper surface of the replacement frame, and a V-shaped groove adjustment electric push rod is rotatably connected to the V-shaped groove electric screw, and the outer surface of the V-shaped groove electric screw is symmetrically threaded on the V-shaped groove nut block, and the V-shaped groove adjustment frame is fixedly connected to the end wall of the V-shaped groove nut block, and the upper end of the V-shaped groove adjustment frame is fixedly connected to the V-shaped groove opening plate.

[0007] Preferably, the adjustment mechanism includes a transverse frame fixedly connected to the rear end wall of the vehicle body, the transverse frame is provided with a transverse slide groove, a transverse screw rod is rotatably connected between the end walls of the transverse slide groove, the transverse screw rod is dynamically connected to a transverse motor fixedly installed in the transverse frame, a transverse nut block is threadedly connected to the outer surface of the transverse screw rod, and the transverse nut block is slidably connected between the end walls of the transverse slide groove, a vertical frame is fixedly connected to the end wall of the transverse nut block, a vertical slide groove is provided on the vertical frame, and a A vertical screw rod, which is connected to the vertical motor power fixedly installed in the vertical frame, a vertical nut block is threadedly connected to the outer surface of the vertical screw rod, and the vertical nut block is slidably connected between the end walls of the vertical slide groove, a transverse stabilizing slide is fixedly connected to the rear end wall of the vertical frame, the transverse stabilizing slide is slidably connected to the transverse frame, a lifting plate is fixedly connected to the end wall of the vertical nut block, a vertical stabilizing slide block is symmetrically fixedly connected to the end wall of the lifting plate, and the vertical stabilizing slide block is slidably connected to the end wall of the vertical frame.

[0008] Preferably, the angle adjustment mechanism includes an angle adjustment block symmetrically fixedly connected at the end position of the lifting plate, an angle adjustment gear cavity is provided in the angle adjustment block, an angle adjustment shaft is rotatably connected between the angle adjustment gear cavities, an angle adjustment driving gear shaft is rotatably connected between the end walls of the angle adjustment gear cavity on one side, the angle adjustment driving gear shaft is connected to the power of an angle adjustment motor fixedly installed in the angle adjustment block, an angle adjustment driving gear is fixedly connected to the outer surface of the angle adjustment driving gear shaft, the angle adjustment driving gear is meshed with the angle adjustment driven gear on one side, the angle adjustment driven gear is symmetrically fixedly connected to the outer surface of the angle adjustment shaft in the angle adjustment gear cavity, a braking electric push rod is fixedly connected to the end wall of the angle adjustment gear cavity on the other side, a braking electric push rod is fixedly connected to a braking tooth at the end of the braking electric push rod, the braking tooth is meshed with the angle adjustment driven gear, and the outer surface of the angle adjustment shaft is fixedly connected to the ditching fixing shaft.

[0009] Preferably, the fertilizing mechanism includes a mixing drum fixedly connected to the vehicle body, a fixed plate fixedly connected to the mixing drum, a mixing shaft rotatably connected to the fixed plate, the mixing shaft is dynamically connected to a mixing motor fixedly mounted on the fixed plate, a mixing rod is evenly fixedly connected to the outer surface of the mixing shaft, a delivery pump is fixedly connected inside the mixing drum, one end of a delivery pipe is fixedly connected to the end wall of the delivery pump, the other end of the delivery pipe is connected to the inside of a conical disk, the interior of the conical disk is a hollow conical structure, a plurality of connecting pipes are fixedly connected to the bottom wall of the conical disk, the connecting pipes are connected to the inside of the conical disk, a fertilization cover is fixedly connected to the lower end of the connecting pipe, and is connected to a fertilizer spray outlet provided on the inner side of the fertilization cover.

[0010] Preferably, the diffusion mechanism includes a mounting plate fixedly connected to the end wall of the ditching drive box, the connecting pipe passes through the mounting plate, the fertilization hood is fixedly installed at the lower part of the mounting plate, a diffusion gear cavity is provided in the mounting plate, a diffusion gear shaft is rotatably connected between the end walls of the diffusion gear cavity, the diffusion gear shaft is power-connected to a diffusion motor fixedly installed in the mounting plate, a diffusion driving gear is fixedly connected to the outer surface of the diffusion gear shaft, the diffusion driving gear is meshed with a diffusion driven gear, the diffusion driven gear is fixedly installed on the outer surface of the diffusion shaft, the diffusion shaft passes through and is rotatably installed on the end wall of the diffusion gear cavity, and the diffusion shaft extends into the fertilization hood, and a plurality of diffusion rods are evenly and fixedly connected to the outer surface of the diffusion shaft in the fertilization hood.

[0011] The top end face of said sliding panel also is provided with a spring, and the bottom end face of said sliding panel is connected with a spring, and the bottom end of said sliding panel is connected with a spring.

[0012] Preferably, the movement mechanism includes a worm cavity provided in the vehicle body, a worm shaft is rotatably connected between the worm cavities, the worm shaft is dynamically connected to a wheelbase adjustment motor fixedly installed in the vehicle body, a worm is fixedly connected to the outer surface of the worm shaft, the worm is meshed with a worm wheel, the worm wheel is fixedly installed on the outer surface of an adjusting screw, the adjusting screw penetrates and is rotatably installed on the end wall of the worm cavity, and the adjusting screw extends into an adjusting slot, the adjusting slot is symmetrically arranged at the lower part of the vehicle body, a wheelbase adjustment nut block is threadedly connected to the outer surface of the adjusting screw, and the wheelbase adjustment nut block slides The gear train is connected to the gear train by a threaded connection between the gear train and the control frame, and the gear train is connected to the gear train through a threaded connection between the gear train and the control frame.

[0013] The present invention provides a trenching, fertilizing and backfilling integrated operation method, based on the above-mentioned trenching, fertilizing and backfilling integrated operation device, the steps include: Step 1: The motion mechanism moves, thereby driving the device to move, and the object performs trenching and fertilization; Step 2: The adjusting mechanism moves, thereby adjusting the position and depth of the trenching, so as to facilitate trenching at different positions and depths; Step 3: The angle adjustment mechanism moves, thereby adjusting the angle before trenching to facilitate trenching; Step 4: The trenching mechanism moves to realize trenching. During trenching, trenches of different shapes and widths are realized; Step 5: After the trench is opened, the fertilization mechanism moves to achieve fertilization after the trench is opened; Step 6: When fertilizing, the diffusion mechanism moves, thereby achieving diffusion during the fertilization process; Step 7: After fertilization, the backfilling mechanism moves to bury the ditch after fertilization.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides an integrated trenching, fertilizing and backfilling operation device, which can realize trenching. When trenching, the width and depth of the trench can be adjusted to realize trenching of different depths and shapes, so that trenches of different shapes can be opened, which is convenient for trenching and fertilizing according to different fertilization environments, and the shape, width and depth of the trench can be adjusted.

[0015] 2. The present invention provides an integrated trenching, fertilizing and backfilling operation device, which can realize fertilization. The fertilizer can be stirred during fertilization to mix the fertilizer evenly, and can be diffused during fertilization to ensure that the trench is filled with fertilizer.

[0016] 3. The present invention provides an integrated trenching, fertilizing and backfilling operation device, which can realize backfilling and burying the trench after fertilization, and slow down the buried soil during backfilling to prevent the falling soil from impacting the fertilizer, so that the fertilizer is gathered together. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture: Figure 1 It is a schematic diagram of the structure in the first direction of a ditching, fertilizing and backfilling integrated operation device in the present invention; Figure 2 It is a schematic diagram of the structure of a trenching, fertilizing and backfilling integrated operation device in the present invention in a second direction; Figure 3 It is a schematic diagram of the structure in the third direction of a ditching, fertilizing and backfilling integrated operation device in the present invention; Figure 4 It is a schematic diagram of the structure of a trenching, fertilizing and backfilling integrated operation device in the present invention in the fourth direction; Figure 5 It is a fifth structural diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Figure 6 It is a sixth structural diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Figure 7 It is a schematic diagram of the first partial structure of a ditching, fertilizing and backfilling integrated operation device in the present invention; Figure 8 It is a second partial structural schematic diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Fig. 9 It is a third partial structural schematic diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Fig.10 It is a schematic diagram of a fourth partial structure of a ditching, fertilizing and backfilling integrated operation device in the present invention; Fig.11 It is a fifth partial structural schematic diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Fig.12It is a sixth partial structural schematic diagram of a ditching, fertilizing and backfilling integrated operation device in the present invention; Fig.13 It is a seventh structural schematic diagram of a trenching, fertilizing and backfilling integrated operation device in the present invention; Fig.14 for Fig.13 Schematic diagram of the cross-sectional structure at AA in the middle; Fig.15 for Fig.14 Schematic diagram of the cross-sectional structure at the middle BB; Fig.16 for Fig.14 Schematic diagram of the cross-sectional structure at CC in the middle; Fig.17 for Fig.14 Schematic diagram of the cross-sectional structure at DD in the middle; Fig.18 for Fig.14 Schematic diagram of the enlarged structure at E in the middle.

[0019] In the figure: 1-car body, 2-wheelbase adjustment nut block, 3-moving frame, 4-lifting frame, 5-moving wheel, 6-steering block, 7-mixing drum, 8-fixed plate, 9-mixing motor, 10-mixing shaft, 11-mixing rod, 12-feeding pipe, 13-transverse frame, 14-transverse slide, 15-lifting plate, 16-angle adjustment block, 17-fixed block, 18-groove plate, 19-backfilling scraper, 20-backfilling adjustment disk, 21-fixed pipe, 22-slide rod, 23-elastic baffle, 24-elastic baffle mounting block, 25-backfilling electric push rod, 26-replacement of electric screw rod, 27-ditching drive box, 28-ditching fixed shaft, 29 -Replacement of lifting plate, 30-ditching drill bit, 31-vertical slide, 32-vertical screw, 33-vertical frame, 34-vertical stabilizing slider, 35-adjusting slide, 36-adjusting screw, 37-ditching adjustment plate, 38-hollow tube, 39-angle adjustment shaft, 40-fertilization cover, 41-backfill adjustment electric screw, 42-diffuser rod, 43-diffuser shaft, 44-motion shaft, 45-connecting pipe, 46-conical plate, 47-mounting plate, 48-rectangular trenching plate, 49-V-shaped trenching plate, 50-transverse screw, 51-transverse nut block, 52-rectangular trench adjustment frame, 53-rectangular trench adjustment electric push rod, 54-replacement frame, 5 5-V-shaped groove adjustment frame, 56-V-shaped groove adjustment electric push rod, 57-lateral stabilizing slide plate, 58-backfill adjustment slide, 59-backfill electric shaft, 60-worm, 61-worm shaft, 62-worm wheel, 63-wheelbase adjustment motor, 64-brake electric push rod, 65-brake gear, 66-adjustment electric shaft, 67-angle adjustment driving gear shaft, 68-angle adjustment driving gear, 69-angle adjustment driven gear, 70-grooving drive shaft, 71-grooving driving bevel gear, 72-grooving shaft, 73-grooving driven bevel gear, 74-grooving adjustment nut cylinder, 75-grooving adjustment screw rod, 76-diffusion driving gear, 7 7-diffusion gear shaft, 78-diffusion driven gear, 79-spring, 80-diffusion gear chamber, 81-bevel gear chamber, 82-replacement of electric shaft, 83-V-groove nut block, 84-V-groove electric screw, 85-rectangular groove electric screw, 86-rectangular groove nut block, 87-delivery pump, 88-worm chamber, 89-angle adjustment gear chamber, 90-grooving adjustment slide, 91-grooving adjustment drive shaft, 92-grooving adjustment active gear, 93-grooving adjustment gear chamber, 94-grooving adjustment annular rack, 95-grooving adjustment driven gear, 96-height adjustment screw, 97-vertical nut block, 98-direction adjustment electric shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] like Figure 1-18 As shown, the present invention provides an integrated trenching, fertilizing and backfilling operation device, including a vehicle body 1, on which a moving mechanism is provided, and the moving mechanism is used to drive the device to move, so as to facilitate trenching and fertilizing. An adjusting mechanism is provided at the rear of the vehicle body 1, and the adjusting mechanism is used to adjust the position and depth of trenching. The adjusting mechanism is connected with an angle adjusting mechanism, and the angle adjusting mechanism is used to adjust the angle at the beginning of trenching, so as to facilitate better trenching. The angle adjusting mechanism is connected with a trenching mechanism, and the trenching mechanism is used to trench. A fertilizing mechanism is provided on the vehicle body 1, and the fertilizing mechanism is used to fertilize. The fertilizing mechanism is connected with a diffusion mechanism, and the diffusion mechanism is used to diffuse fertilizer during fertilization. The angle adjusting mechanism is connected with a backfilling and burying mechanism, and the backfilling and burying mechanism is used to backfill and bury the trench after fertilization.

[0022] Advantageously, the trenching mechanism comprises a trenching fixed shaft 28, the lower end of which is fixedly connected to a trenching drive box 27, a bevel gear cavity 81 is provided in the trenching drive box 27, a trenching drive shaft 70 is rotatably connected to the end wall of the bevel gear cavity 81, the trenching drive shaft 70 is connected to the trenching motor power fixedly installed in the trenching drive box 27, the lower end of the trenching drive shaft 70 is fixedly connected to a trenching active bevel gear 71, the trenching active bevel gear 71 is meshed with a trenching driven bevel gear 73, the trenching driven bevel gear 73 is fixedly installed on the outer surface of a trenching rotating shaft 72, the trenching rotating shaft 72 is rotatably installed through the end wall of the bevel gear cavity 81, and the end of the trenching rotating shaft 72 is fixedly connected There is a trenching drill bit 30, a hollow tube 38 is connected between the trenching drill bit 30 and the trenching drive box 27, the hollow tube 38 is rotatably connected to the trenching drill bit 30, a trenching adjustment gear chamber 93 is provided in the trenching drill bit 30, a trenching adjustment drive shaft 91 is rotatably connected between the end walls of the trenching adjustment gear chamber 93, the trenching adjustment drive shaft 91 is connected to the driving motor power fixedly installed in the trenching drill bit 30, a trenching adjustment driving gear 92 is fixedly connected to the end of the trenching adjustment drive shaft 91, the trenching adjustment driving gear 92 is meshed with a trenching adjustment annular rack 94, the trenching adjustment annular rack 94 is rotatably installed on the end wall of the trenching adjustment gear chamber 93, and the trenching adjustment annular rack 9 4 is meshed with a plurality of groove adjustment driven gears 95, the groove adjustment driven gears 95 are fixedly mounted on the outer surface of the groove adjustment screw rod 75, the groove adjustment screw rod 75 is rotatably mounted on the groove adjustment gear cavity 93 and the end wall of the groove adjustment chute 90, the groove adjustment chute 90 is arranged on the end wall of the groove drill bit 30, the groove adjustment screw rod 75 is threadedly connected with the groove adjustment nut cylinder 74, the groove adjustment nut cylinder 74 is slidably connected to the end wall of the groove adjustment chute 90, the end of the groove adjustment nut cylinder 74 is fixedly connected with a groove adjustment plate 37, the groove adjustment plate 37 is slidably connected between the end walls of the groove adjustment chute 90, and the upper part of the groove drive box 27 is rotatably connected with a replacement electric screw rod 26, the replacement electric screw 26 is threadedly connected with the replacement lifting plate 29, the replacement lifting plate 29 is slidably connected to the outer surface of the groove opening fixed shaft 28, the replacement lifting plate 29 is rotatably connected with a replacement electric shaft 82, the outer surface of the replacement electric shaft 82 is fixedly connected with a replacement frame 54, the lower surface of the replacement frame 54 is evenly fixedly connected with a plurality of rectangular groove adjustment frames 52, the rectangular groove adjustment frame 52 is rotatably connected with a rectangular groove electric screw 85, the outer surface of the rectangular groove electric screw 85 is symmetrically threaded with a rectangular groove nut block 86, the rectangular groove nut block 86 is slidably connected to the rectangular groove adjustment frame 52, and the rectangular groove adjustment frame 52 end wall is fixedly connected with a rectangular groove adjustment electric push rod 53,A rectangular groove opening plate 48 is fixedly connected to the lower end of the rectangular groove adjustment electric push rod 53, and a plurality of V-shaped groove adjustment electric push rods 56 are evenly fixedly connected to the upper surface of the replacement frame 54. A V-shaped groove electric screw 84 is rotatably connected to the V-shaped groove adjustment electric push rod 56, and a V-shaped groove nut block 83 is symmetrically threadedly connected to the outer surface of the V-shaped groove electric screw 84. A V-shaped groove adjustment frame 55 is fixedly connected to the end wall of the V-shaped groove nut block 83, and a V-shaped groove opening plate 49 is fixedly connected to the upper end of the V-shaped groove adjustment frame 55; During operation, the trenching motor is started to drive the trenching drive shaft 70 to rotate, thereby driving the trenching active bevel gear 71 to rotate, and the trenching active bevel gear 71 is meshed with the trenching driven bevel gear 73, thereby driving the trenching shaft 72 to rotate, thereby driving the trenching drill bit 30 to rotate, thereby achieving trenching, and starting the push motor to drive the trenching adjustment drive shaft 91 to rotate, thereby driving the trenching adjustment active gear 92 to rotate, and the trenching adjustment active gear 92 is meshed with the trenching adjustment annular rack 94, thereby driving the trenching adjustment annular rack 94 to rotate The ditching adjustment annular rack 94 is meshed with the ditching adjustment driven gear 95, thereby driving the ditching adjustment screw rod 75 to rotate, thereby pushing the ditching adjustment nut tube 74 to move, thereby pushing the ditching adjustment plate 37 to move outward, thereby adjusting the ditching width. When a rectangular ditch needs to be opened, the replacement electric screw rod 26 is rotated to drive the replacement lifting plate 29 to move downward. After moving downward to a certain position, the rectangular ditch adjustment electric push rod 53 is started to move downward, thereby driving the rectangular ditching plate 48 to move downward. The rectangular ditching plate 48 moves downward to After reaching a certain position, the rectangular groove electric screw 85 is rotated, thereby driving the rectangular groove nut block 86 to move closer to each other, thereby driving the rectangular groove opening plate 48 to move closer to each other and clamped on the outer surface of the hollow tube 38. The rectangular groove opening plate 48 moves with the hollow tube 38 to realize the opening of a rectangular groove, and the diameter of the rectangular groove opening plate 48 increases successively. The rectangular groove opening plates 48 of different sizes are clamped on the hollow tube 38 to realize the opening of rectangular grooves of different sizes. When it is necessary to open a V-shaped groove, the replacement electric shaft 82 is rotated to drive The replacement frame 54 is driven to rotate, thereby driving the V-groove adjustment electric push rod 56 to rotate to the lower position, so that the V-groove adjustment frame 55 moves downward, thereby driving the V-grooving plate 49 to move downward. After moving to the corresponding position, the V-groove electric screw 84 is rotated, thereby driving the V-groove nut block 83 to move closer to each other, thereby driving the V-groove plates 49 to move closer to each other and clamped on the hollow tube 38, thereby realizing the opening of a V-groove, and by clamping the V-groove plates 49 of different sizes on the hollow tube 38, V-grooves of different sizes can be opened.

[0023] Advantageously, the adjustment mechanism comprises a transverse frame 13 fixedly connected to the rear end wall of the vehicle body 1, the transverse frame 13 is provided with a transverse slide 14, a transverse screw rod 50 is rotatably connected between the end walls of the transverse slide 14, the transverse screw rod 50 is connected to the transverse motor power fixedly installed in the transverse frame 13, a transverse nut block 51 is threadedly connected to the outer surface of the transverse screw rod 50, and the transverse nut block 51 is slidably connected between the end walls of the transverse slide 14, a vertical frame 33 is fixedly connected to the end wall of the transverse nut block 51, the vertical frame 33 is provided with a vertical slide 31, and the end walls of the vertical slide 31 are rotatably connected to A vertical screw rod 32, the vertical screw rod 32 is connected to the vertical motor power fixedly installed in the vertical frame 33, the vertical screw rod 32 is threadedly connected to a vertical nut block 97 on the outer surface, and the vertical nut block 97 is slidably connected between the end walls of the vertical slide groove 31, a transverse stabilizing slide plate 57 is fixedly connected to the rear end wall of the vertical frame 33, the transverse stabilizing slide plate 57 is slidably connected to the transverse frame 13, a lifting plate 15 is fixedly connected to the end wall of the vertical nut block 97, and a vertical stabilizing slide block 34 is symmetrically fixedly connected to the end wall of the lifting plate 15, and the vertical stabilizing slide block 34 is slidably connected to the end wall of the vertical frame 33; During operation, the horizontal motor is started to drive the horizontal screw rod 50 to rotate, thereby driving the horizontal nut block 51 to move, thereby driving the vertical frame 33 to move to the corresponding position, thereby adjusting the trenching position, and the vertical motor is started to drive the vertical screw rod 32 to rotate, thereby driving the vertical nut block 97 to move, thereby driving the lifting plate 15 to move up and down, thereby adjusting the trenching depth.

[0024] Advantageously, the angle adjustment mechanism includes an angle adjustment block 16 symmetrically fixedly connected at the end position of the lifting plate 15, an angle adjustment gear cavity 89 is provided in the angle adjustment block 16, an angle adjustment shaft 39 is rotatably connected between the angle adjustment gear cavities 89, an angle adjustment driving gear shaft 67 is rotatably connected between the end walls of the angle adjustment gear cavity 89 on one side, the angle adjustment driving gear shaft 67 is connected to the angle adjustment motor power fixedly installed in the angle adjustment block 16, and the outer surface of the angle adjustment driving gear shaft 67 is fixedly connected to an angle adjustment The angle adjustment driving gear 68 is meshed with the angle adjustment driven gear 69 on one side, and the angle adjustment driven gear 69 is symmetrically fixedly connected to the outer surface of the angle adjustment shaft 39 in the angle adjustment gear cavity 89, and a brake electric push rod 64 is fixedly connected to the end wall of the angle adjustment gear cavity 89 on the other side, and a brake tooth 65 is fixedly connected to the end of the brake electric push rod 64, and the brake tooth 65 is meshed with the angle adjustment driven gear 69, and the outer surface of the angle adjustment shaft 39 is fixedly connected to the ditching fixed shaft 28; During operation, the angle adjustment motor is started to drive the angle adjustment driving gear shaft 67 to rotate, thereby driving the angle adjustment driving gear 68 to rotate, and the angle adjustment driving gear 68 is meshed with the angle adjustment driven gear 69, thereby driving the angle adjustment shaft 39 to rotate, thereby driving the ditching fixing shaft 28 to rotate to a certain angle. After rotating to a certain angle, the braking electric push rod 64 moves, thereby driving the braking tooth 65 to move and mesh with the angle adjustment driven gear 69, thereby achieving braking of the angle adjustment shaft 39.

[0025] Advantageously, the fertilizing mechanism comprises a mixing drum 7 fixedly connected to the vehicle body 1, a fixing plate 8 fixedly connected to the mixing drum 7, a mixing shaft 10 rotatably connected to the fixing plate 8, the mixing shaft 10 is dynamically connected to a mixing motor 9 fixedly mounted on the fixing plate 8, a mixing rod 11 is evenly fixedly connected to the outer surface of the mixing shaft 10, a delivery pump 87 is fixedly connected inside the mixing drum 7, one end of a delivery pipe 12 is fixedly connected to the end wall of the delivery pump 87, the other end of the delivery pipe 12 is connected to the inside of a conical disk 46, the inside of the conical disk 46 is a hollow conical structure, a plurality of connecting pipes 45 are fixedly connected to the bottom wall of the conical disk 46, the connecting pipes 45 are connected to the inside of the conical disk 46, a fertilizing cover 40 is fixedly connected to the lower end of the connecting pipe 45, and is connected to a fertilizer spraying outlet provided on the inner side of the fertilizing cover 40; During operation, after the fertilizer is poured into the mixing drum 7, the mixing motor 9 is started to drive the mixing shaft 10 to rotate, thereby driving the mixing rod 11 to rotate, so as to achieve uniform mixing of the fertilizer. After uniform mixing, the delivery pump 87 is started to extract the fertilizer in the mixing drum 7, and the fertilizer enters the conical disk 46 through the delivery pipe 12, flows through the connecting pipe 45, and is sprayed out through the fertilizer spray port on the inner side of the fertilization cover 40, so as to carry out fertilization.

[0026] Advantageously, the diffusion mechanism includes a mounting plate 47 fixedly connected to the end wall of the trenching drive box 27, the connecting pipe 45 passes through the mounting plate 47, the fertilizing cover 40 is fixedly installed at the lower part of the mounting plate 47, a diffusion gear chamber 80 is provided in the mounting plate 47, a diffusion gear shaft 77 is rotatably connected between the end walls of the diffusion gear chamber 80, the diffusion gear shaft 77 is connected to the power of the diffusion motor fixedly installed in the mounting plate 47, a diffusion driving gear 76 is fixedly connected to the outer surface of the diffusion gear shaft 77, the diffusion driving gear 76 is meshed with a diffusion driven gear 78, the diffusion driven gear 78 is fixedly installed on the outer surface of the diffusion shaft 43, the diffusion shaft 43 passes through and is rotatably installed on the end wall of the diffusion gear chamber 80, and the diffusion shaft 43 extends into the fertilizing cover 40, and a plurality of diffusion rods 42 are evenly and fixedly connected to the outer surface of the diffusion shaft 43 in the fertilizing cover 40; During operation, the diffusion motor is started to drive the diffusion gear shaft 77 to rotate, thereby driving the diffusion gear shaft 77 to rotate, thereby driving the diffusion driving gear 76 to rotate, and the diffusion driving gear 76 is meshed with the diffusion driven gear 78, thereby driving the diffusion shaft 43 to rotate, thereby driving the diffusion rod 42 to rotate to disperse and diffuse the sprayed fertilizer, thereby achieving diffusion of the fertilizer.

[0027] Advantageously, the backfilling and burying mechanism includes a fixed block 17 fixedly connected to the rear end wall of the angle adjustment block 16, the fixed block 17 is rotatably connected to an adjustment electric shaft 66, the outer surface of the adjustment electric shaft 66 is fixedly connected to a groove plate 18, the lower surface of the groove plate 18 is fixedly connected to a fixed tube 21, the fixed tube 21 is slidably connected to a slide rod 22, the slide rod 22 is connected to the fixed tube 21 with a spring 79, the lower end of the slide rod 22 is fixedly connected to an elastic baffle mounting block 24, and the bottom wall of the elastic baffle mounting block 24 is fixedly connected to an elastic baffle 23, the elastic baffle 23 has a certain elasticity, the bottom wall of the groove plate 18 is symmetrically connected to the backfill adjustment electric screw 41, the backfill adjustment electric screw 41 is threadedly connected to the backfill adjustment disk 20, the backfill adjustment disk 20 is slidably connected to the outer surface of the fixed tube 21, the fixed tube 21 is symmetrically provided with a backfill adjustment chute 58, the end wall of the backfill adjustment chute 58 is rotatably connected to the backfill electric shaft 59, the outer surface of the backfill electric shaft 59 is fixedly connected to the backfill electric push rod 25, and the end of the backfill electric push rod 25 is fixedly connected to the backfill scraper 19; When working, the backfill electric rotating shaft 59 rotates, thereby driving the backfill electric push rod 25 to rotate, thereby driving the backfill scraper 19 to rotate to the corresponding position, and the elastic baffle 23 enters the opened ditch. The elastic baffle 23 has a certain elasticity and can adapt to ditches of different widths. The elastic baffle 23 is close to the fertilizer application position, so that the backfill adjustment electric screw rod 41 rotates, thereby driving the backfill adjustment disk 20 to move downward, thereby driving the backfill electric push rod 25 to move downward, and thereby driving the backfill scraper 19 to move downward. , in contact with the upper side of the opened ditch, the groove plate 18 moves, thereby driving the fixed pipe 21 to move, thereby driving the slide rod 22 to move, thereby driving the elastic baffle mounting block 24 to move, thereby driving the elastic baffle 23 to move, and the soil scraped into the ditch by the backfill scraper 19 falls on the elastic baffle 23, and falls into the ditch through the elastic baffle 23 for backfilling, preventing direct contact with the fertilizer, impacting the fertilizer, and preventing the fertilizer from moving. Through the extension and contraction of the backfill electric push rod 25, all the soil is scraped into the ditch for backfilling.

[0028] Advantageously, the motion mechanism includes a worm cavity 88 provided in the vehicle body 1, a worm shaft 61 is rotatably connected between the worm cavity 88, the worm shaft 61 is power-connected to a wheelbase adjustment motor 63 fixedly installed in the vehicle body 1, a worm 60 is fixedly connected to the outer surface of the worm shaft 61, the worm 60 is meshed with a worm wheel 62, the worm wheel 62 is fixedly installed with the outer surface of an adjusting screw 36, the adjusting screw 36 penetrates and is rotatably installed on the end wall of the worm cavity 88, and the adjusting screw 36 extends into an adjusting slot 35, the adjusting slot 35 is symmetrically arranged at the lower part of the vehicle body 1, the outer surface of the adjusting screw 36 is threadedly connected to a wheelbase adjustment nut block 2, and the wheelbase adjustment The section nut block 2 is slidably connected between the end walls of the adjusting slide slot 35, the lower part of the wheelbase adjusting nut block 2 is fixedly connected with a moving frame 3, the moving frame 3 is rotatably connected with a height adjusting screw rod 96, the outer surface of the height adjusting screw rod 96 is threadedly connected with a lifting frame 4, the lifting frame 4 is slidably connected with the moving frame 3, the lower end of the lifting frame 4 is rotatably connected with a direction adjusting electric shaft 98, the outer surface of the direction adjusting electric shaft 98 is fixedly connected with a steering block 6, the end wall of the steering block 6 is rotatably connected with a moving shaft 44, the moving shaft 44 is connected to the power of a moving motor fixedly installed in the steering block 6, and the end of the moving shaft 44 is fixedly connected with a moving wheel 5; During operation, the motion motor is started to drive the motion shaft 44 to rotate, thereby driving the motion wheel 5 to rotate, thereby driving the device to move. When adjusting the wheelbase, the wheelbase adjustment motor 63 is started to drive the worm shaft 61 to rotate, thereby driving the worm 60 to rotate, and the worm 60 is meshed with the worm wheel 62, thereby driving the adjusting screw 36 to rotate, thereby driving the wheelbase adjustment nut block 2 to move, thereby driving the motion frame 3 to move, thereby adjusting the wheelbase, making the height adjustment screw 96 rotate, thereby pushing the lifting frame 4 to move downward, thereby adjusting the height of the vehicle body 1, and when turning is required, the direction adjustment electric shaft 98 is rotated, thereby driving the steering block 6 to rotate, thereby driving the motion wheel 5 to rotate, thereby turning.

[0029] The present invention provides a trenching, fertilizing and backfilling integrated operation method, based on the above-mentioned trenching, fertilizing and backfilling integrated operation device, the steps include: Step 1: The motion mechanism moves, thereby driving the device to move, and the object performs trenching and fertilization; Step 2: The adjusting mechanism moves, thereby adjusting the position and depth of the trenching, so as to facilitate trenching at different positions and depths; Step 3: The angle adjustment mechanism moves, thereby adjusting the angle before trenching to facilitate trenching; Step 4: The trenching mechanism moves to realize trenching. During trenching, trenches of different shapes and widths are realized; Step 5: After the trench is opened, the fertilization mechanism moves to achieve fertilization after the trench is opened; Step 6: When fertilizing, the diffusion mechanism moves, thereby achieving diffusion during the fertilization process; Step 7: After fertilization, the backfilling mechanism moves to bury the ditch after fertilization.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated trenching, fertilizing and backfilling operation device, characterized in that: The invention comprises a vehicle body (1), wherein a moving mechanism is provided on the vehicle body (1), wherein the moving mechanism is used to drive a device to move so as to facilitate trenching and fertilizing; an adjusting mechanism is provided at the rear of the vehicle body (1), wherein the adjusting mechanism is used to adjust the position and depth of trenching; the adjusting mechanism is connected to an angle adjusting mechanism, wherein the angle adjusting mechanism is used to adjust the angle at the beginning of trenching so as to facilitate better trenching; the angle adjusting mechanism is connected to a trenching mechanism, wherein the trenching mechanism is used to trench; a fertilizing mechanism is provided on the vehicle body (1), wherein the fertilizing mechanism is used to fertilize; the fertilizing mechanism is connected to a diffusion mechanism, wherein the diffusion mechanism is used to diffuse fertilizer during fertilization; the angle adjusting mechanism is connected to a backfilling and burying mechanism, wherein the backfilling and burying mechanism is used to backfill and bury the trench after fertilization.

2. The integrated trenching, fertilizing and backfilling device according to claim 1 is characterized in that: The ditching mechanism comprises a ditching fixed shaft (28), the lower end of the ditching fixed shaft (28) is fixedly connected to a ditching drive box (27), a bevel gear cavity (81) is provided in the ditching drive box (27), a ditching drive shaft (70) is rotatably connected to the end wall of the bevel gear cavity (81), the ditching drive shaft (70) is connected to a ditching motor fixedly installed in the ditching drive box (27), the lower end of the ditching drive shaft (70) is fixedly connected to a ditching active bevel gear (71), the ditching active bevel gear (71) is meshed with a ditching driven bevel gear (73), the ditching driven bevel gear (73) is fixedly installed on the outer surface of a ditching rotating shaft (72), the ditching rotating shaft (72) penetrates and is rotatably installed in the ditching motor A trenching drill bit (30) is fixedly connected to the end wall of the bevel gear cavity (81), a hollow tube (38) is connected between the trenching drill bit (30) and the trenching drive box (27), the hollow tube (38) and the trenching drill bit (30) are rotatably connected, a trenching adjustment gear cavity (93) is provided in the trenching drill bit (30), a trenching adjustment drive shaft (91) is rotatably connected between the end wall of the trenching adjustment gear cavity (93), the trenching adjustment drive shaft (91) is connected to the driving power of a driving motor fixedly installed in the trenching drill bit (30), the end of the trenching adjustment drive shaft (91) is fixedly connected to a trenching adjustment driving gear (92), the trenching adjustment driving gear (92) is connected to the trenching drill bit (30), and the trenching adjustment driving gear (92) is connected to the trenching drill bit (30). The groove adjustment annular rack (94) is meshed, and the groove adjustment annular rack (94) is rotatably mounted on the end wall of the groove adjustment gear cavity (93). The groove adjustment annular rack (94) is meshed with a plurality of groove adjustment driven gears (95). The groove adjustment driven gears (95) are fixedly mounted on the outer surface of the groove adjustment screw rod (75). The groove adjustment screw rod (75) is rotatably mounted on the end wall of the groove adjustment gear cavity (93) and the groove adjustment slide groove (90). The groove adjustment slide groove (90) is arranged on the end wall of the groove drill bit (30). The groove adjustment screw rod (75) is threadedly connected with the groove adjustment nut cylinder (74), and the groove adjustment nut cylinder (74) is slidably connected to the groove adjustment slide groove. (90) on the end wall, the end of the trenching adjustment nut tube (74) is fixedly connected with a trenching adjustment plate (37), the trenching adjustment plate (37) is slidably connected between the end walls of the trenching adjustment slide groove (90), the upper part of the trenching drive box (27) is rotatably connected with a replacement electric screw (26), the replacement electric screw (26) is threadedly connected with a replacement lifting plate (29), the replacement lifting plate (29) is slidably connected to the outer surface of the trenching fixed shaft (28), the replacement lifting plate (29) is rotatably connected with a replacement electric rotating shaft (82), the outer surface of the replacement electric rotating shaft (82) is fixedly connected with a replacement frame (54), and the lower side surface of the replacement frame (54) is evenly fixedly connected with a plurality of rectangular trench adjustment frames (52),A rectangular groove electric screw (85) is rotatably connected to the rectangular groove adjustment frame (52); a rectangular groove nut block (86) is symmetrically threadedly connected to the outer surface of the rectangular groove electric screw (85); the rectangular groove nut block (86) is slidably connected to the rectangular groove adjustment frame (52); a rectangular groove adjustment electric push rod (53) is fixedly connected to the end wall of the rectangular groove adjustment frame (52); a rectangular groove opening plate (48) is fixedly connected to the lower end of the rectangular groove adjustment electric push rod (53); The upper surface of the replacement frame (54) is evenly and fixedly connected with a plurality of V-groove adjustment electric push rods (56), the V-groove adjustment electric push rods (56) are rotatably connected with a V-groove electric screw (84), the outer surface of the V-groove electric screw (84) is symmetrically threadedly connected with a V-groove nut block (83), the end wall of the V-groove nut block (83) is fixedly connected with a V-groove adjustment frame (55), and the upper end of the V-groove adjustment frame (55) is fixedly connected with a V-shaped groove opening plate (49).

3. The integrated trenching, fertilizing and backfilling operation device according to claim 2 is characterized in that: The adjustment mechanism comprises a transverse frame (13) fixedly connected to the rear end wall of the vehicle body (1), the transverse frame (13) being provided with a transverse slide groove (14), a transverse screw rod (50) being rotatably connected between the end walls of the transverse slide groove (14), the transverse screw rod (50) being connected to a transverse motor power fixedly installed in the transverse frame (13), a transverse nut block (51) being threadedly connected to the outer surface of the transverse screw rod (50), and the transverse nut block (51) being slidably connected between the end walls of the transverse slide groove (14), a vertical frame (33) being fixedly connected to the end wall of the transverse nut block (51), a vertical slide groove (31) being provided on the vertical frame (33), and a vertical nut block (51) being rotatably connected between the end walls of the vertical slide groove (31). A screw rod (32), the vertical screw rod (32) is connected to the vertical motor power fixedly installed in the vertical frame (33), the outer surface of the vertical screw rod (32) is threadedly connected with a vertical nut block (97), and the vertical nut block (97) is slidably connected between the end walls of the vertical slide groove (31), a transverse stabilizing slide plate (57) is fixedly connected to the rear end wall of the vertical frame (33), the transverse stabilizing slide plate (57) is slidably connected to the transverse frame (13), a lifting plate (15) is fixedly connected to the end wall of the vertical nut block (97), and a vertical stabilizing slide block (34) is symmetrically fixedly connected to the end wall of the lifting plate (15), and the vertical stabilizing slide block (34) is slidably connected to the end wall of the vertical frame (33).

4. The integrated trenching, fertilizing and backfilling operation device according to claim 3 is characterized in that: The angle adjustment mechanism comprises an angle adjustment block (16) symmetrically fixedly connected at the end position of the lifting plate (15), an angle adjustment gear cavity (89) being provided in the angle adjustment block (16), an angle adjustment shaft (39) being rotatably connected between the angle adjustment gear cavities (89), an angle adjustment driving gear shaft (67) being rotatably connected between the end walls of the angle adjustment gear cavity (89) on one side, the angle adjustment driving gear shaft (67) being connected to the angle adjustment motor power fixedly installed in the angle adjustment block (16), and an angle adjustment driving gear shaft (67) being fixedly connected to the outer surface of the angle adjustment driving gear shaft (67) (68), the angle adjustment driving gear (68) is meshed with the angle adjustment driven gear (69) on one side, the angle adjustment driven gear (69) is symmetrically fixedly connected to the outer surface of the angle adjustment shaft (39) in the angle adjustment gear cavity (89), and a braking electric push rod (64) is fixedly connected to the end wall of the angle adjustment gear cavity (89) on the other side, and a braking tooth (65) is fixedly connected to the end of the braking electric push rod (64), and the braking tooth (65) is meshed with the angle adjustment driven gear (69), and the outer surface of the angle adjustment shaft (39) is fixedly connected to the ditching fixing shaft (28).

5. The integrated trenching, fertilizing and backfilling operation device according to claim 4 is characterized in that: The fertilizing mechanism comprises a mixing drum (7) fixedly connected to the vehicle body (1), a fixing plate (8) fixedly connected to the mixing drum (7), a mixing shaft (10) rotatably connected to the fixing plate (8), the mixing shaft (10) being dynamically connected to a mixing motor (9) fixedly mounted on the fixing plate (8), a mixing rod (11) evenly fixedly connected to the outer surface of the mixing shaft (10), a delivery pump (87) fixedly connected inside the mixing drum (7), the delivery pump (87) One end of a feed pipe (12) is fixedly connected to the end wall, and the other end of the feed pipe (12) is connected to the inside of a conical disk (46). The inside of the conical disk (46) is a hollow conical structure. A plurality of connecting pipes (45) are fixedly connected to the bottom wall of the conical disk (46). The connecting pipes (45) are connected to the inside of the conical disk (46). The lower end of the connecting pipe (45) is fixedly connected to a fertilizer cover (40) and is connected to a fertilizer spraying outlet provided on the inner side of the fertilizer cover (40).

6. The integrated trenching, fertilizing and backfilling operation device according to claim 5, characterized in that: The diffusion mechanism comprises a mounting plate (47) fixedly connected to the end wall of the trenching drive box (27), the connecting pipe (45) passes through the mounting plate (47), the fertilizing cover (40) is fixedly mounted on the lower part of the mounting plate (47), a diffusion gear chamber (80) is provided in the mounting plate (47), a diffusion gear shaft (77) is rotatably connected between the end walls of the diffusion gear chamber (80), the diffusion gear shaft (77) is connected to the diffusion motor fixedly mounted in the mounting plate (47), and the diffusion gear shaft (77) is connected to the diffusion motor fixedly mounted in the mounting plate (47). A diffusion driving gear (76) is fixedly connected to the outer surface of the wheel axle (77), the diffusion driving gear (76) meshes with a diffusion driven gear (78), the diffusion driven gear (78) is fixedly mounted on the outer surface of a diffusion shaft (43), the diffusion shaft (43) is rotatably mounted on the end wall of the diffusion gear cavity (80), and the diffusion shaft (43) extends into the fertilization cover (40), and a plurality of diffusion rods (42) are evenly fixedly connected to the outer surface of the diffusion shaft (43) in the fertilization cover (40).

7. The integrated trenching, fertilizing and backfilling operation device according to claim 6 is characterized in that: The backfilling and burying mechanism comprises a fixed block (17) fixedly connected to the rear end wall of the angle adjustment block (16); an adjusting electric rotating shaft (66) is rotatably connected to the fixed block (17); a groove plate (18) is fixedly connected to the outer surface of the adjusting electric rotating shaft (66); a fixed tube (21) is fixedly connected to the lower surface of the groove plate (18); a sliding rod (22) is slidably connected inside the fixed tube (21); a spring (79) is connected between the sliding rod (22) and the fixed tube (21); an elastic baffle mounting block (24) is fixedly connected to the lower end of the sliding rod (22); an elastic baffle (24) is fixedly connected to the bottom wall of the elastic baffle mounting block (24). 3), the elastic baffle (23) has a certain elasticity, the bottom wall of the groove plate (18) is symmetrically rotatably connected with a backfill adjustment electric screw (41), the backfill adjustment electric screw (41) is threadedly connected to the backfill adjustment disk (20), the backfill adjustment disk (20) is slidably connected to the outer surface of the fixed tube (21), the fixed tube (21) is symmetrically provided with a backfill adjustment slide groove (58), the end wall of the backfill adjustment slide groove (58) is rotatably connected with a backfill electric rotating shaft (59), the outer surface of the backfill electric rotating shaft (59) is fixedly connected with a backfill electric push rod (25), and the end of the backfill electric push rod (25) is fixedly connected with a backfill scraper (19).

8. The integrated trenching, fertilizing and backfilling device according to claim 7 is characterized in that: The motion mechanism comprises a worm cavity (88) provided in the vehicle body (1), a worm shaft (61) being rotatably connected between the worm cavity (88), the worm shaft (61) being connected to a wheelbase adjustment motor (63) fixedly installed in the vehicle body (1), a worm (60) being fixedly connected to the outer surface of the worm shaft (61), the worm (60) being meshed with a worm wheel (62), the worm wheel (62) being fixedly installed on the outer surface of an adjusting screw (36), the adjusting screw (36) being rotatably installed on the end wall of the worm cavity (88), and the adjusting screw (36) extending into an adjusting slide groove (35), the adjusting slide groove (35) being symmetrically arranged at the lower part of the vehicle body (1), the outer surface of the adjusting screw (36) being threadedly connected to a wheelbase adjustment nut block (2), the wheelbase adjustment The nut block (2) is slidably connected between the end walls of the adjustment slot (35); the lower part of the wheelbase adjustment nut block (2) is fixedly connected to a moving frame (3); the moving frame (3) is rotatably connected to a height adjustment screw rod (96); the outer surface of the height adjustment screw rod (96) is threadedly connected to a lifting frame (4); the lifting frame (4) and the moving frame (3) are slidably connected; the lower end of the lifting frame (4) is rotatably connected to a direction adjustment electric shaft (98); the outer surface of the direction adjustment electric shaft (98) is fixedly connected to a steering block (6); the end wall of the steering block (6) is rotatably connected to a moving shaft (44); the moving shaft (44) is connected to a moving motor fixedly installed in the steering block (6); the end of the moving shaft (44) is fixedly connected to a moving wheel (5).

9. An integrated trenching, fertilizing and backfilling operation method, based on the integrated trenching, fertilizing and backfilling operation device according to claim 8, characterized in that: The steps include: Step 1: The motion mechanism moves, thereby driving the device to move, and the object performs trenching and fertilization; Step 2: The adjusting mechanism moves, thereby adjusting the position and depth of the trenching, so as to facilitate trenching at different positions and depths; Step 3: The angle adjustment mechanism moves, thereby adjusting the angle before trenching to facilitate trenching; Step 4: The trenching mechanism moves to realize trenching. During trenching, trenches of different shapes and widths are realized; Step 5: After the trench is opened, the fertilization mechanism moves to achieve fertilization after the trench is opened; Step 6: When fertilizing, the diffusion mechanism moves, thereby achieving diffusion during the fertilization process; Step 7: After fertilization, the backfilling mechanism moves to bury the ditch after fertilization.

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