An integrated desert tree planter

Abstract

The present invention provides an integrated desert tree planting machine, including a movable vehicle body, and further including: a sand digging mechanism, a sapling conveying mechanism, a compaction mechanism and an irrigation system arranged on the vehicle body; wherein, the sand digging mechanism is connected to a lifting device, which is adapted to move up and down and can spread the sand and soil to form a sand and soil pit suitable for placing saplings; the compaction mechanism is connected to the sand digging mechanism, which is adapted to support the sand and soil pit spread by the sand digging mechanism and landfill the sand and soil pit after the sand digging mechanism leaves the sand and soil pit; the sapling conveying mechanism is adapted to transport saplings into the spread sand and soil pit after the sand digging mechanism spreads the sand and soil; the irrigation system is adapted to water and irrigate the saplings after the compaction mechanism landfills the sand and soil pit. With this device, it is convenient to carry out integrated tree planting on sandy soil, and the structure has perfect functions and simple operation, greatly improving the tree planting efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic tree planters, and more particularly to an integrated desert tree planter. Background Art

[0002] Planting drought-tolerant tree species suitable for local precipitation and groundwater environment is an important measure to effectively curb the intensification of desertification and address global desertification. However, existing desert tree planters usually complete each tree planting process using a single or multiple institutional modules, resulting in too many operating modules in the overall combined machine, complex structure, cumbersome connection schemes for different institutional units, reduced stability, increased manufacturing and maintenance difficulties; and existing desert tree planters are limited to the planting of single saplings. Not only is the cost of single-planting high and the efficiency low, but more importantly, the problem of relatively soft soil in the desert that must be faced during the tree planting process in arid deserts is completely not considered: that is, after the traditional tree planting robot completes drilling, the sandy soil on the wall of the drilled hole will become loose due to being fluffy and fall into the drilled hole, resulting in partial coverage of the bottom of the hole by sandy soil, and it is necessary to re-dig, and it also delays a lot of time during the tree planting process, reducing the tree planting efficiency; therefore, existing tree planters cannot meet the operating requirements of current desertification control. Summary of the Invention

[0003] The present invention discloses an integrated desert tree planter with a simple structure and convenient operation, aiming to improve the problems mentioned above.

[0004] The present invention adopts the following scheme: an integrated desert tree planter, including a movable vehicle body, and further including: a sand digging mechanism, a sapling conveying mechanism, a compaction mechanism, and an irrigation system provided on the vehicle body; wherein, the sand digging mechanism is connected to a lifting device, which is adapted to move up and down and can spread the sandy soil to form a sandy soil pit suitable for placing saplings; the compaction mechanism is connected to the sand digging mechanism, which is adapted to support the sandy soil pit spread by the sand digging mechanism and fill the sandy soil pit after the sand digging mechanism leaves the sandy soil pit; the sapling conveying mechanism is arranged above the sand digging mechanism, which is adapted to transport saplings into the spread sandy soil pit after the sand digging mechanism spreads the sandy soil; the irrigation system is adapted to water and irrigate the saplings after the compaction mechanism fills the sandy soil pit.

[0005] Further, the sand dredging mechanism includes a first linear motor, a movable part, and a sand dredging part. The first linear motor is arranged on the movable part; the sand dredging part is connected to the movable part; the sand dredging part includes six sand dredging plates, and two adjacent sand dredging plates are connected by a round bar hinge, which is configured to form a "triangle star" shape when not expanded and form a regular hexahedron shape after expansion; the movable part is configured to be able to move the sand dredging part up and down under the drive of the first linear motor and switch the sand dredging part between the "triangle star" shape and the regular hexagon shape.

[0006] Further, the movable part includes a linear bearing, a fixed block, a mounting block, and a sliding bar. The first linear motor is arranged on the fixed block, and three mounting blocks are evenly arranged on the fixed block; an inclined groove extending inward is arranged on each mounting block, one end of the sliding bar is arranged in the inclined groove, and the other end is connected to the round bar, which is configured to be able to slide back and forth along the inclined groove under the drive of the first linear motor, drive the round bar to move, so as to realize the conversion of the sand dredging part between the "triangle star" shape and the regular hexagon.

[0007] Further, the compaction mechanism is arranged outside the sand dredging part and is adapted to move up and down together with the sand dredging mechanism; the compaction mechanism includes three second linear motors, three groups of compaction plates, and three movable rods. Each group of compaction plates includes two pressing plates hinged by a cylindrical rod. The second linear motor is connected to the two pressing plates in the same group through a connecting piece and is adapted to control the two pressing plates to rotate synchronously around the cylindrical rod. The compaction plate is configured to be able to switch between the "triangle star" shape and the regular hexagon shape under the drive of the three second linear motors.

[0008] Further, the bottoms of the round bars of the sand dredging part and the cylindrical rods of the compaction mechanism are set to be pointed.

[0009] Further, the sapling conveying mechanism includes a disc, a sapling storage cylinder, and a rotating motor. The rotating motor is arranged at the bottom of the disc, and a polygonal rotating body is arranged on its rotating shaft; the sapling storage cylinder is set to be a hollow cylinder, and a plurality of sapling storage cylinders are placed on the same circumference of the disc. The polygonal rotating body is configured to be able to drive the sapling storage cylinder to rotate synchronously around the center of the disc under the drive of the rotating motor, so that one of the sapling storage cylinders moves to directly above the sand dredging mechanism.

[0010] Further, the polygonal rotating body is in the shape of a "five-pointed star" with concave arcs on its sides.

[0011] Further, a hollow guide cylinder is arranged below the disc, and the guide cylinder is arranged directly above the sand dredging part.

[0012] Further, the irrigation system includes a water storage tank, a solenoid valve, and a water outlet pipe. The solenoid valve connects the water storage tank and the water outlet pipe, and the water outlet pipe communicates above the sand dredging mechanism.

[0013] Further, the lifting device includes a lead screw motor and a lead screw, and the lead screw is connected to the sand dredging mechanism.

[0014] By adopting the above technical solutions, the present invention can achieve the following technical effects:

[0015] By setting up a complete tree planting system, the automation of tree planting in areas with soft soil such as deserts can be realized. By setting the sand dredging mechanism and the compaction mechanism, the two cooperate with each other to complete the switching from a triangular star shape to a regular hexagon shape, thereby realizing the functions of digging pits and filling pits. By setting an automatic sapling conveyor, it cooperates with the sand dredging mechanism and the compaction mechanism to work and automatically irrigate after tree planting, thereby realizing the automation of tree planting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 is a schematic diagram of the overall structure of an integrated desert tree planting machine according to an embodiment of the present invention;

[0018] Figure 2 is another schematic diagram of the internal structure of an integrated desert tree planting machine according to an embodiment of the present invention;

[0019] Figure 3 is a schematic diagram of the structure of the sand dredging mechanism and the compaction mechanism of an integrated desert tree planting machine according to an embodiment of the present invention;

[0020] Figure 4 is an exploded view of the sand dredging mechanism and the compaction mechanism of an integrated desert tree planting machine according to an embodiment of the present invention;

[0021] Icons: vehicle body 100, tire 101, bracket 102, lifting device 10, lead screw motor 11, lead screw 12, sand excavation mechanism 20, first linear motor 21, movable part 22, linear bearing 221, fixed block 222, mounting block 223, inclined groove 2231, sliding bar 224, sliding block 225, sand excavation part 23, sand excavation plate 231, round bar 232, compaction mechanism 30, second fixed block 31, second linear motor 32, compaction plate 33, movable rod 34, sapling conveying mechanism 40, disc 41, sapling storage cylinder 42, polygonal rotating body 43, material guiding cylinder 44, water storage tank 51, solenoid valve 52, water outlet pipe 53. Detailed implementation mode

[0022] To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention.

[0024] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.

[0025] In the present invention, unless otherwise clearly specified or limited, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present invention, unless otherwise clearly specified or limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0027] Embodiment

[0028] Combination Figures 1 to 4 As shown, this embodiment provides an integrated desert tree planting machine, which includes a movable vehicle body 100, and further includes: a sand digging mechanism 20, a sapling conveying mechanism 40, a compaction mechanism 30 and an irrigation system arranged on the vehicle body 100; wherein, the sand digging mechanism 20 is connected to a lifting device 10, which is adapted to move up and down and can expand the sand to form a sand pit suitable for placing saplings; the compaction mechanism 30 is connected to the sand digging mechanism 20, which is adapted to support the sand pit expanded by the sand digging mechanism 20 and fill the sand pit after the sand digging mechanism 20 leaves the sand pit; the sapling conveying mechanism 40 is adapted to transport saplings into the expanded sand pit after the sand digging mechanism 20 expands the sand; the irrigation system is adapted to water and irrigate the saplings after the compaction mechanism 30 fills the sand pit.

[0029] In this embodiment, the integrated tree planting machine is applicable to environments such as sandy land or desert where the land is relatively soft, and it includes a vehicle body 100 structure that can be driven or controlled by users. The vehicle body 100 is provided with a large-area tire 101 surface to prevent it from sinking into the soft land.

[0030] As Figure 1As shown in the figure, the sand-digging mechanism 20, the sapling conveying mechanism 40, the compaction mechanism 30 and the irrigation system are all arranged on the chassis of the vehicle body 100. The sapling conveying mechanism 40 is arranged above the vehicle body 100 through a bracket 102 and has an upward opening for facilitating the placement of saplings. Here, the bracket 102 includes two parallel bracket plates 102. A lifting device 10 is arranged between the bracket plates 102. The lifting device 10 includes a lead screw motor 11 and a lead screw 12. The lead screw 12 is connected to the sand-digging mechanism 20. The lead screw motor 11 can drive the sand-digging mechanism 20 to move up and down, so that when rising, the bottom of the sand-digging mechanism 20 is higher than the ground by a certain height, and when descending, the bottom of the sand-digging mechanism 20 can penetrate into the ground. The lifting height is not specifically limited here and can be set according to the planting heights of different saplings.

[0031] As Figures 2 to 4 As shown in the figure, the sand-digging mechanism 20 is arranged below the sapling transportation device and includes a first linear motor 21, a movable part 22 and a sand-digging part 23. The first linear motor 21 is arranged on the movable part 22; the sand-digging part 23 is connected to the movable part 22; the sand-digging part 23 includes six square sand-digging plates 231, and two adjacent sand-digging plates 231 are hinged by a round rod 232. When not unfolded, it forms a "triangle star" shape, and when unfolded, it can form a regular hexahedron shape; the movable part 22 is configured to be able to drive the sand-digging part 23 to move up and down under the drive of the first linear motor and make the sand-digging part 23 switch between the "triangle star" shape and the regular hexagon shape.

[0032] Here, the movable part 22 includes a linear bearing 221, a fixed block 222, a mounting block 223 and a sliding bar 224, wherein the fixed block 222 is provided with two upper and lower ones, and is arranged in a hollow regular hexagonal shape, the dredging part 23 is located at the bottom position in the middle of the regular hexagonal shape, the first linear motor 21 is arranged on the fixed block 222, and the three non-adjacent sides of the fixed block 222 are respectively fixedly provided with mounting blocks 223 perpendicular to the fixed block 222, each of the mounting blocks 223 includes two parallel mounting plates, and the mounting plates are provided with two parallel inclined grooves 2231 extending inward. One end of the sliding bar 224 is arranged in the inclined groove 2231, and the other end is connected to the round rod 232, and the sliding bar 224 is vertically arranged on the round rod 232. The sliding bar 224 is connected to the first linear motor 21 through a sliding block 225. The sliding block 225 can move up and down under the drive of the first linear motor 21, thereby driving the sliding bar 224 to move up and down. Here, when the sliding block 225 is driven downward by the first linear motor 21, the sliding bar 224 is located in the shoe slot and will slide inward, and the three sliding bars 224 are close to each other, so that the sand digging part 23 forms a "triangular star" shape. At this time, since the sand digging part 23 can also move downward, it extends into the sandy ground. When the first linear motor 21 drives the sliding block 225 to move upward, the sliding bar 224 moves obliquely upward along the inclined slot 2231, thereby driving the round rods 232 of the sand digging part 23 to move away from each other, forming a regular hexagonal shape. When the sand digging part 23 is converted from the "triangular star" shape to the regular hexagon, the sand is expanded by the sand digging plate 231 to form a sand pit, and the compacting mechanism 30 is controlled to maintain the shape of the sand pit. That is, the sand digging mechanism 20 can realize the switching of the sand digging part 23 between the "triangular star" shape and the regular hexagon. Here, since the mounting blocks 223 are evenly arranged, that is, respectively arranged on three non-adjacent sides of the regular hexagonal fixed block 222, and each of the sliding bars 224 is fixedly connected to a round bar 232 of the sand dredging part 23, and the three round bars 232 are also non-adjacent to each other, when the round bar 232 moves inward, the two sand dredging plates 231 hinged on the round bar 232 will rotate in the opposite direction of the movement of the round bar 232, so that the sand dredging part 23 is switched between the "triangular star" shape and the regular hexagon. In a preferred embodiment, a sliding wheel is arranged between the sliding bar 224 and the shoe slot to reduce sliding friction.

[0033] like Figures 2 to 4As shown, the compaction mechanism 30 is disposed outside the sand-digging part 23 and is adapted to move up and down together with the sand-digging mechanism 20; the compaction mechanism 30 includes three second linear motors 32, three groups of compaction plates 33 and three movable rods 34. Each group of compaction plates 33 includes two pressing plates hinged by a cylindrical rod. The second linear motor 32 is connected to the two pressing plates of the same group through a connecting member and is adapted to control the synchronous rotation of the two pressing plates around the cylindrical rod. The compaction mechanism 30 is configured to be able to complete the switching between the "triangle star" shape and the hexagon shape under the drive of the three second linear motors 32. Here, the compaction mechanism 30 further includes a hollow second fixing block 31 in the shape of a regular hexagon. The second linear motor 32 is disposed on the second fixing block 31. The second fixing block 31 is connected to the first fixing block 222 through three movable rods 34. Two linear bearings 221 are provided on the movable rod 34, and the length of the movable rod 34 is determined according to the situation. One end of the movable rod 34 is fixedly connected to the second fixing block 31, and the second fixing block 31 is located below the sliding block 225. When the sliding block 225 descends, it can push the second fixing block 31 to drive the compaction plate 33 to move downward. The second linear motor 32 can drive the connecting member to move inward or outward, so that the two hinged pressing plates rotate in opposite directions. Here, when the compaction mechanism forms a hexagon shape, the pressing plate can block the side sand, so that the sand pit is maintained. When the compaction mechanism forms a "triangle star" shape, the side sand loses support and buries into the sand. In a preferred embodiment, the bottom of the round rod 232 of the sand-digging part 23 and the cylindrical rod of the compaction mechanism are provided with pointed ends, which are convenient for inserting into the sand. In another preferred embodiment, a height sensor is provided on the compaction mechanism 30 to detect the depth of the sand-digging mechanism 20 entering the sand surface, so as to ensure that the sand-digging mechanism 20 can dig out a suitable sand pit.

[0034] As Figure 2The seedling conveying mechanism 40 includes a disc 41, a seedling storage tube 42, and a rotating motor 43, wherein the rotating motor 43 is arranged inside the disc 41, and a polygonal rotating body 43 is arranged on its rotating shaft; the seedling storage tube 42 is arranged in a hollow cylindrical shape, and a plurality of the seedling storage tubes 42 are placed around the circumference of the disc 41 and connected by a rigid connecting strip, and the seedling storage tube 42 is configured to be able to rotate synchronously around the center of the disc 41 under the toggle of the polygonal rotating body 43, so that one of the seedling storage tubes 42 moves to the top of the sand digging part 23, thereby completing the seedling delivery. Here, the polygonal rotating body 43 is in the shape of a "five-pointed star" with concave arcs on the sides, and one of the sides just supports one of the seedling storage tubes 42. A hollow material guide tube 44 is arranged below the disc 41, and the material guide tube 44 is arranged just above the sand digging part 23. Through the above arrangement, the polygonal rotating body 43 can drive the sapling storage tube 42 to rotate one position as a whole each time it rotates, and the sapling storage tube 42 can be controlled to continuously move to the top of the material guide tube 44, so that the saplings fall from the material guide. Here, when the sapling storage tube 42 moves to the top of the material guide tube 44 or the top of the sand dredging mechanism 20, the bottom is not sealed by the disc 41, and the saplings will directly fall from the hollow sapling storage tube 42.

[0035] like Figure 2 As shown, the irrigation system includes a water tank 51, a solenoid valve 52 and a water outlet pipe 53. The solenoid valve connects the water tank 51 and the water outlet pipe 53. The water outlet pipe 53 is connected to the top of the sand dredging part 23. Here, the water outlet tank is set on the chassis of the vehicle body 100. The solenoid valve 52 is used to control the water outlet of the irrigation system. When the compaction mechanism 30 buries the sand pit, the water tank 51 can be controlled to release water for irrigation. Preferably, two water outlet pipes 53 can be provided to facilitate all-round watering.

[0036] In the present invention, the first linear motor 21, the second linear motor 32, the screw motor 11 and the solenoid valve 52, etc. can all be connected to a control device, and automatic control can be achieved through a software program inside the control device. It is an existing technology to realize motor rotation and opening and closing of the solenoid valve 52 through the control device, which will not be elaborated here.

[0037] In other preferred embodiments, a visual system may be provided on the tree planting machine to realize a visual shooting function, thereby further improving the accuracy of tree planting.

[0038] In other preferred embodiments, the digging depth of the sand excavation mechanism 20 can reach 1.4m. According to relevant literature, when planting trees in the desert, the main factor affecting the survival rate of trees is the planting depth. When the planting depth reaches 80cm, the survival rate is 80%-90%. When the planting depth reaches more than 1.4m, the survival rate and preservation rate are almost 100%. Therefore, increasing the digging depth of the sand excavation mechanism 20 in the device greatly improves the functionality of the integrated tree planting machine.

[0039] The advantage of the present invention is that when the sand dredging mechanism 20 presses the compacting mechanism 30 into the sand, the main structure of the sand dredging mechanism 20 is a "triangular star" shape that is not unfolded and is similar to a triangular mechanism. After the sand is driven in by the compacting mechanism 30, the sand dredging plate 231 of the sand dredging mechanism 20 starts to work and expands the sand. At this time, the "triangular star" shaped sand dredging mechanism 20 is expanded to become an expanded hexagonal sand-supporting mechanism. Then, under the power of the motor, the sand-supporting mechanism expands the sand to form a tree pit for placing saplings; a sapling storage mechanism similar to a turntable is designed and adopted on the sapling transport mechanism, and the saplings are sent into the sapling transport mechanism 40 and finally into the tree pit by rotating the turntable; in this patent, the compacting mechanism 30 and the sand dredging mechanism 20 are connected by a linear bearing 221 , and then through the mutual cooperation of the linear motors, the sand digging mechanism 20 is first pulled out and then the sand is compacted by the compacting mechanism 30 to improve the survival rate of the seedlings. The compacting mechanism 30 slides along the linear bearing 221 together with the sand digging mechanism 20, and the corresponding reversal cooperation of the linear motor solves the problem that the sand digging mechanism 20 and the sand spreading mechanism cannot get out of the sand. The maneuverability of the integrated desert tree planting machine is greatly improved, thereby effectively improving the tree planting efficiency, extending the survival rate of the seedlings, and solving the problem that the existing desert tree planting machine has low tree planting efficiency and easily leads to secondary rework. Therefore, the present invention solves the problems of high labor intensity of existing artificial planting of seedlings, low degree of mechanization integration of existing desert tree planting machines, and low planting efficiency, which is conducive to curbing and controlling desertification.

[0040] At the same time, the equipment of the present invention is relatively simple to operate, and does not require the user to carry out a long disassembly and assembly process, thus avoiding many inconveniences caused by the user in the actual use process. Therefore, it is highly operable, and it is not easy to cause safety accidents when the user uses it for a long time. The assembly relationship is clear, easy to assemble, and convenient for replacing vulnerable components later. At the same time, the integrated tree planting machine can also automatically plant trees in a designated area through the stored program combined with the visual system and AI, realizing full automation without the need for human intervention, saving water resources and improving water resource utilization.

[0041] The above are only preferred implementations of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention.

Claims

1. An integrated desert tree-planting machine, comprising a movable vehicle body, characterized in that, It further includes: a sand digging mechanism, a sapling conveying mechanism, a compaction mechanism and an irrigation system provided on the vehicle body; wherein, the sand digging mechanism is connected with a lifting device, which is suitable for moving up and down and can expand the sand to form a sand pit suitable for placing saplings; the compaction mechanism is connected to the sand digging mechanism, which is suitable for supporting the sand pit expanded by the sand digging mechanism and supporting and filling the sand pit after the sand digging mechanism leaves the sand pit; the sapling conveying mechanism is arranged above the sand digging mechanism, which is suitable for transporting saplings into the expanded sand pit after the sand digging mechanism expands the sand; the irrigation system is suitable for watering and irrigating the saplings after the compaction mechanism fills the sand pit; the sand digging mechanism includes a first linear motor, a movable part and a sand digging part, and the first linear motor is arranged on the movable part; the sand digging part is connected to the movable part; the sand digging part includes six sand digging plates, and two adjacent sand digging plates are connected by a round rod hinge, and it is configured to form a "triangle star" shape when not expanded and a regular hexahedron shape when expanded; the movable part is configured to be able to drive the sand digging part to move up and down under the drive of the first linear motor and make the sand digging part switch between the "triangle star" shape and the regular hexagon shape; the movable part includes a linear bearing, a fixed block, a mounting block and a sliding bar, wherein the first linear motor is arranged on the fixed block, and three mounting blocks are evenly arranged on the fixed block; an inclined groove extending inward is arranged on each mounting block, one end of the sliding bar is arranged in the inclined groove, and the other end is vertically and fixedly connected to the round rod, and it is configured to be able to slide back and forth along the inclined groove under the drive of the first linear motor and drive the round rod to move; the compaction mechanism is arranged outside the sand digging part, which is suitable for moving up and down together with the sand digging mechanism; the compaction mechanism includes three second linear motors, three groups of compaction plates and three movable rods, and each group of compaction plates includes two pressing plates hinged by a cylindrical rod; the second linear motor is connected to the two pressing plates in the same group through a connecting piece for controlling the two pressing plates to rotate synchronously around the cylindrical rod; the compaction plate is configured to be able to switch between the "triangle star" shape and the regular hexagon shape under the drive of the three second linear motors; the sapling conveying mechanism includes a disc, a sapling storage cylinder and a rotating motor. Among them, the rotating motor is arranged at the bottom of the disc, and a polygonal rotating body is fixedly arranged on its rotating shaft; the sapling storage cylinder is arranged as a hollow cylinder, and a plurality of sapling storage cylinders are placed on the same circumference of the disc, and the polygonal rotating body is configured to be able to drive the sapling storage cylinder to rotate integrally synchronously around the center of the disc under the drive of the rotating motor, so that one of the sapling storage cylinders moves to directly above the sand digging mechanism.

2. The integrated desert tree planting machine according to claim 1, characterized in that, The bottom of the round rod of the sand digging part and the cylindrical rod of the compaction mechanism are provided with pointed heads.

3. The integrated desert tree planting machine according to claim 1, characterized in that, The polygonal rotating body is in the shape of a "five-pointed star" with concave arcs on its sides.

4. The integrated desert tree planting machine according to claim 1, characterized in that, A hollow guide cylinder is arranged below the disc, and the guide cylinder is arranged directly above the sand digging mechanism.

5. The integrated desert tree planting machine according to claim 1, characterized in that, The irrigation system includes a water storage tank, a solenoid valve, and a water outlet pipe. The solenoid valve connects the water storage tank and the water outlet pipe, and the water outlet pipe communicates above the sand dredging mechanism.

6. The integrated desert tree planting machine according to claim 1, characterized in that The lifting device includes a lead screw motor and a lead screw, and the lead screw is connected to the sand dredging mechanism.

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