Movable spraying device for landscaping engineering construction

By using a drone spraying system and a precise flow rate adjustment device, the problems of limited operating range and insufficient flow rate control of spraying devices in landscaping projects have been solved, achieving efficient and uniform spraying results and improving construction quality and efficiency.

CN223929326UActive Publication Date: 2026-02-24王栋
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Patent Information

Application Number
CN202520524950.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-24
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing landscaping spraying devices suffer from limited operating range, insufficient flow rate control, and poor adjustment stability, resulting in poor construction results, resource waste, and low operating efficiency.

Method used

A spraying system comprising a drone, storage tank, nozzle, support frame, and connecting pipe was designed. Combined with adjustment device and positioning mechanism, it enables high-altitude operation, multi-pipeline design, and precise flow rate adjustment, ensuring spray uniformity and structural stability.

Benefits of technology

It expands the spraying range, improves operational efficiency and spraying accuracy, solves the problems of limited operating range and insufficient flow rate control of traditional devices, and ensures construction quality and chemical utilization rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable spraying device for landscaping engineering construction, which comprises a spraying pipe, an adjusting device is arranged above the spraying pipe, and the adjusting device comprises an adjusting pipe, a fixed pipe, an adjusting sleeve, a linkage groove, a linkage plate, an adaptive block, an adaptive sleeve, a connecting rod, a matching sleeve, a threaded sleeve, a linkage block, a matching rod and an adaptive groove. The linkage groove is obliquely formed in the inner side of the adjusting pipe, the adaptive block is connected to one side of the linkage block, the linkage block is connected to one side of the linkage plate, the adaptive sleeve is rotationally connected with the threaded sleeve, the matching sleeve is connected with the threaded sleeve through the connecting rod, the matching rod is connected with the adjusting sleeve through the connecting rod, the spraying device is arranged on one side of the spraying pipe, and the positioning mechanism is installed on the outer side of the adjusting pipe. The positioning mechanism comprises a positioning sleeve, a positioning wheel, a positioning block, a connecting spring and a plurality of connecting blocks, the positioning wheel is installed on one side of the positioning block, the connecting spring is connected with the two adjacent positioning blocks, and the connecting blocks are arranged on the outer wall of the adjusting pipe.
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Description

Technical Field

[0001] This utility model relates to the field of spraying technology for landscaping construction, and more specifically, it relates to a mobile spraying device for landscaping construction. Background Technology

[0002] In the field of landscaping engineering, mobile spraying devices are important equipment for plant maintenance and pest control. The wide range of their operation and the precision of their spraying control directly affect the construction effect and work efficiency. However, the spraying devices currently on the market still have many technical defects in practical applications. These problems not only affect the spraying effect, but may also lead to resource waste and low work efficiency.

[0003] The primary problem is the limited operating range. Existing ground-based mobile spraying devices have significant drawbacks: First, terrain limitations make it difficult for the equipment to move around; second, large equipment is difficult to adapt to complex terrain; third, traditional ground equipment cannot perform high-altitude operations; in addition, the limited operating range not only reduces work efficiency but may also create spray dead zones in some areas. This design deficiency not only affects the construction effect but may also lead to uneven maintenance due to the limited operating range, increasing labor costs and time consumption.

[0004] More prominently, there is insufficient flow rate control. Although some devices use drones for aerial spraying, there are obvious problems: First, the pipeline system lacks speed regulation function and cannot adapt to different needs; second, a fixed flow rate is difficult to match diverse operational requirements; third, a single spray intensity cannot meet the needs of different plants, which not only affects the utilization rate of the pesticide solution, but may also cause plant damage due to inappropriate intensity. This design deficiency not only reduces the control effect, but may also affect plant growth due to improper spraying, increasing resource waste and environmental pollution.

[0005] Most critically, the stability of the adjustment is poor. Although some equipment has achieved the function of flow rate adjustment, there are serious problems: First, the adjustment structure is simple in design, and the vibration generated by the drone during flight can easily cause the adjustment device to shift; second, the impact of the liquid delivery on the internal components of the pipeline affects the structural stability. The loosening of the structure not only affects the spraying accuracy, but may also cause uneven spraying due to flow rate fluctuations. This design deficiency affects the construction quality and increases the quality risk in the construction process. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] In view of the problems existing in the prior art, this utility model provides a mobile spraying device for landscaping construction to solve the technical problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a mobile spraying device for landscaping construction, comprising a spray pipe, an adjusting device connected above the spray pipe, the adjusting device comprising an adjusting pipe, a fixed pipe, an adjusting sleeve, a linkage groove, a linkage plate, an adapter block, an adapter sleeve, a connecting rod, a mating sleeve, a threaded sleeve, a linkage block, a mating rod, and an adapter groove; the fixed pipe is fixedly connected above the spray pipe; both ends of the adjusting sleeve are rotatably connected to the adjusting pipe and the fixed pipe, respectively; the linkage groove is inclinedly formed inside the adjusting pipe; the linkage plate is slidably disposed in the linkage groove; the adapter block is fixedly connected to one side of the linkage block and slidably disposed in the adapter groove; and the linkage block is fixedly connected to one side of the linkage plate. The adapter is rotatably connected to the threaded sleeve. The outer wall of the threaded sleeve is movably connected to the inner wall of the adjusting pipe via threads. The mating sleeve is fixedly connected to the threaded sleeve via a connecting rod. The mating rod is fixedly connected to the adjusting sleeve via a connecting rod. The adapter groove is formed on the adapter. A spraying device is provided on one side of the spray pipe. A positioning mechanism is installed on the outside of the adjusting pipe. The positioning mechanism includes a positioning sleeve, a positioning wheel, a positioning block, a connecting spring, and a connecting block. The positioning sleeve is movably fitted onto the outside of the adjusting pipe via threads. The positioning wheel is rotatably installed on one side of the positioning block. The positioning block is located on one side of the adjusting sleeve. The two ends of the connecting spring are respectively connected to two adjacent positioning blocks. Multiple connecting blocks are fixedly installed on the outer wall of the adjusting pipe.

[0010] The present invention is further configured such that the spraying device includes a drone, a storage box, nozzles, a bracket, and a connecting pipe. The storage box is detachably installed below the drone. Multiple nozzles are connected to the lower end of the spray pipe. The input end of the connecting pipe is connected to the bottom of the storage box, and the output end of the connecting pipe is connected to the top of the regulating pipe. The bracket is detachably installed below the drone.

[0011] The present invention is further configured such that an input pipe is fixedly connected to one side of the storage box.

[0012] The present invention is further configured such that multiple connecting pipes and nozzles are provided.

[0013] The present invention is further configured such that a linkage spring is connected to one side of the linkage block, and a top block is connected to the other end of the linkage spring.

[0014] The present invention is further configured such that the interior of the mating sleeve and the cross-section of the mating rod are both designed with a prismatic structure, and the prismatic structure design ensures that the mating sleeve stably follows the mating rod in synchronous rotation.

[0015] The present invention is further configured such that a plurality of guide blocks are fixedly provided on one side of the adjusting sleeve, and a guide groove is provided on the inner side of the positioning block. The guide groove is adapted to the guide block, and the setting of the guide block and the guide groove ensures the accurate movement of the positioning block.

[0016] The present invention is further configured such that the connecting block has a cylindrical structure design.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a mobile spraying device for landscaping construction, which has the following beneficial effects:

[0019] 1. The spraying device, through the precise coordination of drones, storage tanks, nozzles, supports, and connecting pipes, constructs a highly efficient spraying system. The detachable connection between the drone and the support provides the installation foundation, the cooperation between the storage tank and the connecting pipes enables the delivery of the pesticide solution, and the nozzle design ensures atomization. This structure not only enables high-altitude operations through drone flight but also provides wide coverage through multi-pipeline design and ensures uniform spraying through atomizing nozzles. It effectively solves the problem of limited operating range of traditional devices, expands the spraying range, and improves operating efficiency.

[0020] 2. The regulating device, through the coordinated operation of the regulating pipe, fixed pipe, regulating sleeve, linkage groove, linkage plate, adapter block, adapter sleeve, connecting rod, mating sleeve, threaded sleeve, linkage block, mating rod, and adapter groove, forms a precise flow rate regulating system. The rotational connection between the regulating sleeve and the fixed pipe and the regulating pipe provides the basis for operation. The cooperation between the linkage plate and the linkage groove realizes displacement control. The design of the adapter block and the adapter groove ensures the stable movement of the linkage block. This structure not only realizes flow rate regulation through the linkage mechanism, but also provides precise control through the threaded connection, and ensures smooth movement through the guide structure. It effectively solves the problem of insufficient flow rate regulation in traditional devices, adapts to diverse needs, and improves spraying accuracy.

[0021] 3. The positioning mechanism, through the precise cooperation of the positioning sleeve, positioning wheel, positioning block, connecting spring, and connecting block, constructs a reliable locking system. The threaded connection between the positioning sleeve and the regulating pipe provides a locking function, the cooperation between the positioning wheel and the connecting block realizes the positioning of the regulating sleeve, and the design of the guide block and guide groove ensures the movement guidance. This structure not only achieves automatic positioning through the reset of the connecting spring, but also provides structural stability through multi-point locking, and ensures the adjustment accuracy through the guiding mechanism. It effectively solves the problem of poor adjustment stability of traditional devices, prevents displacement caused by vibration and impact, and ensures the reliability of flow rate adjustment. Attached Figure Description

[0022] Figure 1This is a schematic diagram of the overall structure of a mobile spraying device for landscaping construction according to the present invention.

[0023] Figure 2 This is a schematic diagram of the structure of this utility model with the drone portion removed;

[0024] Figure 3 This is a structural schematic diagram of the connecting pipe, regulating pipe, fixing pipe and nozzle in this utility model;

[0025] Figure 4 This is a cross-sectional structural diagram of the adjustment device and positioning mechanism in this utility model;

[0026] Figure 5 This is a cross-sectional schematic diagram of the dispersed structure of the adjustment device and positioning mechanism in this utility model.

[0027] In the diagram: 1. Nozzle; 2. Adjusting pipe; 3. Fixing pipe; 4. Adjusting sleeve; 5. Linkage groove; 6. Linkage plate; 7. Adapter block; 8. Adapter sleeve; 9. Connecting rod; 10. Mating sleeve; 11. Threaded sleeve; 12. Linkage block; 13. Mating rod; 14. Adapter groove; 15. Positioning sleeve; 16. Positioning wheel; 17. Positioning block; 18. Connecting spring; 19. Connecting block; 20. Drone; 21. Storage box; 22. Nozzle; 23. Bracket; 24. Connecting pipe; 25. Input pipe; 26. Linkage spring; 27. Top block; 28. Guide block; 29. ​​Guide groove. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0031] Please see Figures 1-5A mobile spraying device for landscaping construction includes a spray pipe 1. An adjusting device is connected above the spray pipe 1. The adjusting device includes an adjusting pipe 2, a fixed pipe 3, an adjusting sleeve 4, a linkage groove 5, a linkage plate 6, an adapter block 7, an adapter sleeve 8, a connecting rod 9, a mating sleeve 10, a threaded sleeve 11, a linkage block 12, a mating rod 13, and an adapter groove 14. The fixed pipe 3 is fixedly connected above the spray pipe 1. The two ends of the adjusting sleeve 4 are rotatably connected to the adjusting pipe 2 and the fixed pipe 3, respectively. The linkage groove 5 is inclinedly formed inside the adjusting pipe 2. The linkage plate 6 is slidably disposed in the linkage groove 5. The adapter block 7 is fixedly connected to one side of the linkage block 12 and slides within the adapter groove 14. The linkage block 12 is fixedly connected to one side of the linkage plate 6. The adapter sleeve 8 engages with the threaded sleeve 11. The screw sleeve 11 is movably connected to the inner wall of the regulating pipe 2 via threads. The mating sleeve 10 is fixedly connected to the screw sleeve 11 via connecting rod 9. The mating rod 13 is fixedly connected to the regulating sleeve 4 via connecting rod 9. The adapter groove 14 is opened on the adapter sleeve 8. A spraying device is provided on one side of the spray pipe 1. A positioning mechanism is installed on the outside of the regulating pipe 2. The positioning mechanism includes a positioning sleeve 15, a positioning wheel 16, a positioning block 17, a connecting spring 18, and a connecting block 19. The positioning sleeve 15 is movably fitted on the outside of the regulating pipe 2 via threads. The positioning wheel 16 is rotatably installed on one side of the positioning block 17. The positioning block 17 is located on one side of the regulating sleeve 4. The two ends of the connecting spring 18 are respectively connected to two adjacent positioning blocks 17. Multiple connecting blocks 19 are fixedly installed on the outer wall of the regulating pipe 2.

[0032] The spraying device includes a drone 20, a storage tank 21, nozzles 22, a bracket 23, and a connecting pipe 24. The storage tank 21 is detachably installed below the drone 20. Multiple nozzles 22 are connected to the lower end of the spray pipe 1. The input end of the connecting pipe 24 is connected to the bottom of the storage tank 21, and the output end of the connecting pipe 24 is connected to the top of the regulating pipe 2. The bracket 23 is detachably installed below the drone 20.

[0033] An input pipe 25 is fixedly connected to one side of the storage box 21.

[0034] Multiple connecting pipes 24 and nozzles 1 are provided.

[0035] In this embodiment, when the device is needed, the flow rate of each connecting pipe 24 is first adjusted according to the spraying requirements. Then, the mixed solution is added to the storage tank 21 through the input pipe 25. The drone 20 is then turned on and flies into the air. The drone 20 is then moved above the plant. The built-in delivery pump in the storage tank 21 is then turned on, and the delivery pump distributes the mixed solution in the storage tank 21 into each spray pipe 1. The solution is then atomized and sprayed through multiple nozzles 22 connected to the bottom of the spray pipe 1, thereby spraying the solution onto the outside of the plant to achieve plant protection and pest control.

[0036] Please see Figures 3-5 As a further implementation of the overall equipment: a linkage spring 26 is connected to one side of the linkage block 12, and a top block 27 is connected to the other end of the linkage spring 26.

[0037] Both the interior of the fitting sleeve 10 and the cross-section of the fitting rod 13 are designed with a prismatic structure.

[0038] Multiple guide blocks 28 are fixedly provided on one side of the adjusting sleeve 4, and a guide groove 29 is provided on the inner side of the positioning block 17. The guide groove 29 is adapted to the guide block 28.

[0039] Connecting block 19 is designed as a column structure.

[0040] More specifically, when the flow rate of the liquid medicine needs to be adjusted according to requirements, firstly, the positioning sleeve 15 is rotated forward. The positioning sleeve 15 moves along the thread on the outer wall of the regulating pipe 2. Then, the positioning sleeve 15 no longer limits the positioning wheel 16. Next, the regulating sleeve 4 is rotated forward. The regulating sleeve 4 drives the positioning block 17 to rotate through the guide block 28 and the guide groove 29. Then, the positioning block 17 drives the positioning wheel 16 to move, causing the positioning wheel 16 to roll and move out from between the two connecting blocks 19. Then, the positioning wheel 16 drives the positioning block 17 to slide outward along the guide block 28 and the guide groove 29, and the positioning block 17 will drive the connecting spring 18 to move outward. During the stretching process, the adjusting sleeve 4 drives the mating rod 13 to rotate forward via the connecting rod 9 on the inner wall. The mating rod 13 then drives the mating sleeve 10 to rotate. Since the outer wall of the threaded sleeve 11 is movably connected to the inner wall of the adjusting tube 2 via threads, and the threaded sleeve 11 and the adapter 8 are rotatably connected, the mating sleeve 10 drives the threaded sleeve 11 to rotate via the connecting rod 9 on the outer wall. This causes the threaded sleeve 11 to push the adapter 8 to move, allowing the threaded sleeve 11 to slide along the mating rod 13 via the connecting rod 9. The adapter 8 then pushes the linkage block 12 to drive the linkage plate 6 to slide along the linkage groove 5. The linkage plate 6 then drives... The linkage block 12 moves inward, causing the adapter block 7 on one side to slide along the adapter groove 14. Simultaneously, the linkage block 12, via the linkage spring 26, causes the top block 27 to move inward. Multiple top blocks 27 then abut together, and the top blocks 27 and linkage block 12 work together to compress the linkage spring 26, causing a change in the gap of the linkage spring 26. This change in the gap of the linkage spring 26 and the movement of the linkage block 12 alter the cross-sectional area at the corresponding position within the regulating tube 2, thereby adjusting the flow rate of the medicine. Once the adjustment is appropriate, the rotation of the regulating sleeve 4 stops, and the positioning block 17 moves the positioning wheel 16 to... Between the two connecting blocks 19, the connecting spring 18 resets and drives the positioning block 17 to slide inward along the guide block 28 and guide groove 29, so that the positioning block 17 drives the positioning wheel 16 to engage between the two connecting blocks 19. Then, the positioning sleeve 15 is rotated in the opposite direction, so that the positioning sleeve 15 resets and the inner wall of the positioning sleeve 15 limits the outer side of the positioning wheel 16 again, so that the positioning wheel 16 and the positioning block 17 cannot slide outward, so that the positioning wheel 16 and the connecting fit lock the adjusting sleeve 4, preventing the adjusting sleeve 4 from moving accidentally, thereby ensuring the structural stability after the flow rate is adjusted and ensuring the stable operation of the spraying work.

[0041] In summary, when using or operating the equipment: First, adjust the flow rate of each connecting pipe 24 according to the spraying requirements. Then, add the mixed pesticide solution into the storage tank 21 through the input pipe 25. Next, turn on the drone 20 and make it fly into the air. Then, control the drone 20 to move above the plant. Then, turn on the built-in delivery pump in the storage tank 21 and make the delivery pump distribute the mixed pesticide solution in the storage tank 21 into each spray pipe 1. Then, the solution is atomized and sprayed out through multiple nozzles 22 connected to the bottom of the spray pipe 1, thereby spraying the pesticide solution onto the outside of the plant to achieve plant protection and pest and disease control.

[0042] When the flow rate of the liquid medicine needs to be adjusted according to requirements, firstly, the positioning sleeve 15 is rotated forward. The positioning sleeve 15 moves along the thread on the outer wall of the regulating pipe 2. Then, the positioning sleeve 15 no longer limits the positioning wheel 16. Next, the regulating sleeve 4 is rotated forward. The regulating sleeve 4 drives the positioning block 17 to rotate through the guide block 28 and the guide groove 29. Then, the positioning block 17 drives the positioning wheel 16 to move, causing the positioning wheel 16 to roll and move out from between the two connecting blocks 19. Then, the positioning wheel 16 drives the positioning block 17 to slide outward along the guide block 28 and the guide groove 29, and the positioning block 17 will drive the connecting spring 18 to be stretched outward. Simultaneously, the adjusting sleeve 4 drives the mating rod 13 to rotate forward via the connecting rod 9 on the inner wall. Then, the mating rod 13 drives the mating sleeve 10 to rotate. Since the outer wall of the threaded sleeve 11 is movably connected to the inner wall of the adjusting tube 2 via threads, and the threaded sleeve 11 and the adapter 8 are rotatably connected, the mating sleeve 10 drives the threaded sleeve 11 to rotate via the connecting rod 9 on the outer wall. This causes the threaded sleeve 11 to push the adapter 8 to move, so that the threaded sleeve 11 drives the mating sleeve 10 to slide along the mating rod 13 via the connecting rod 9. The adapter 8 will push the linkage block 12 to drive the linkage plate 6 to slide along the linkage groove 5. Then, the linkage plate 6 will drive the linkage... Block 12 moves inward, causing the connecting block 12 to slide the adapter block 7 on one side along the adapter groove 14. Simultaneously, the connecting block 12, via the connecting spring 26, causes the top block 27 to move inward. Multiple top blocks 27 then abut together, and the top blocks 27 and the connecting block 12 work together to compress the connecting spring 26, causing a change in the gap of the connecting spring 26. This change in the gap of the connecting spring 26 and the movement of the connecting block 12 alters the cross-sectional area of ​​the corresponding position within the regulating tube 2, thereby adjusting the flow rate of the medicine. Once the adjustment is appropriate, the rotating regulating sleeve 4 stops, and the positioning block 17 drives the positioning wheel 16 to move to the corresponding position. Between the two connecting blocks 19, the connecting spring 18 resets and drives the positioning block 17 to slide inward along the guide block 28 and guide groove 29, so that the positioning block 17 drives the positioning wheel 16 to engage between the corresponding two connecting blocks 19. Then, the positioning sleeve 15 is rotated in the opposite direction, so that the positioning sleeve 15 resets and the inner wall of the positioning sleeve 15 limits the outer side of the positioning wheel 16 again, so that the positioning wheel 16 and the positioning block 17 cannot slide outward, so that the positioning wheel 16 and the connecting fit lock the adjusting sleeve 4, preventing the adjusting sleeve 4 from moving accidentally, thereby ensuring the structural stability after the flow rate is adjusted and ensuring the stable operation of the spraying work.

[0043] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A mobile spraying device for landscaping construction, comprising a spray pipe (1), characterized in that: An adjustment device is provided above the nozzle (1). The adjustment device includes an adjustment pipe (2), a fixed pipe (3), an adjustment sleeve (4), a linkage groove (5), a linkage plate (6), an adapter block (7), an adapter sleeve (8), a connecting rod (9), a mating sleeve (10), a threaded sleeve (11), a linkage block (12), a mating rod (13), and an adapter groove (14). The linkage groove (5) is inclinedly opened inside the adjustment pipe (2). The adapter block (7) is connected to one side of the linkage block (12). The linkage block (12) is connected to one side of the linkage plate (6). The adapter sleeve (8) is rotatably connected to the threaded sleeve (11). The threaded sleeve (11) is connected to the adjustment pipe (2) by threads. The fitting sleeve (10) is connected to the threaded sleeve (11) through the connecting rod (9), and the fitting rod (13) is connected to the adjusting sleeve (4) through the connecting rod (9). A spraying device is provided on one side of the spray pipe (1). A positioning mechanism is installed on the outside of the adjusting pipe (2). The positioning mechanism includes a positioning sleeve (15), a positioning wheel (16), a positioning block (17), a connecting spring (18), and a connecting block (19). The positioning sleeve (15) is threaded on the outside of the adjusting pipe (2). The positioning wheel (16) is installed on one side of the positioning block (17). The connecting spring (18) is connected to two adjacent positioning blocks (17). Multiple connecting blocks (19) are provided on the outer wall of the adjusting pipe (2).

2. The mobile spraying device for landscaping construction as described in claim 1, characterized in that: The spraying device includes a drone (20), a storage tank (21), nozzles (22), a bracket (23), and a connecting pipe (24). The storage tank (21) is detachably installed below the drone (20). Multiple nozzles (22) are connected to the lower end of the spray pipe (1). The input end of the connecting pipe (24) is connected to the bottom of the storage tank (21), and the output end of the connecting pipe (24) is connected to the top of the regulating pipe (2). The bracket (23) is detachably installed below the drone (20).

3. The mobile spraying device for landscaping construction as described in claim 2, characterized in that: An input pipe (25) is fixedly connected to one side of the storage box (21).

4. A mobile spraying device for landscaping construction as described in claim 3, characterized in that: Multiple connecting pipes (24) and nozzles (1) are provided.

5. A mobile spraying device for landscaping construction according to any one of claims 1-4, characterized in that: One side of the linkage block (12) is connected to a linkage spring (26), and the other end of the linkage spring (26) is connected to a top block (27).

6. A mobile spraying device for landscaping construction as described in claim 5, characterized in that: The interior of the fitting sleeve (10) and the cross-section of the fitting rod (13) are both designed with a prismatic structure.

7. A mobile spraying device for landscaping construction according to claim 1, characterized in that: The adjusting sleeve (4) is fixedly provided with a plurality of guide blocks (28) on one side, and the positioning block (17) is provided with a guide groove (29) on the inner side, and the guide groove (29) is adapted to the guide block (28).

8. A mobile spraying device for landscaping construction according to claim 7, characterized in that: The connecting block (19) is designed as a column.