UAV spraying mechanism and spraying UAV

Abstract

The present invention discloses a drone spraying mechanism and a spraying drone, wherein the drone spraying mechanism includes a Y-shaped support assembly, a spraying assembly and a feeding assembly. The Y-shaped support assembly is detachably arranged at the lower end of the drone, the spraying assembly is detachably arranged through the center of the Y-shaped support assembly, the feeding assembly is arranged on the ground, and the feeding assembly is connected to the spraying assembly through a feeding pipe. The spraying drone according to an embodiment of the present invention includes the above-mentioned drone spraying mechanism, and the entire mechanism can be disassembled and placed separately for storage, which is convenient for transportation and storage. At the same time, the Y-shaped support assembly can well support the spraying assembly, prevent the spraying assembly from moving relative to the drone during the spraying process, ensure uniform coating, and ensure spraying quality.

Description

Technical Field

[0001] The present invention relates to the field of unmanned spraying devices, and in particular to an unmanned aerial vehicle (UAV) spraying mechanism and a spraying UAV. Background Art

[0002] As the nation's economy enters a period of transition, manual labor-intensive painting operations, such as shipbuilding, are no longer able to meet the demands for economical, clean, and efficient painting. Existing wall-climbing painting robots and track-mounted spray robots suffer from issues such as poor adaptability to complex curved surfaces, complex assembly, and poor adaptability to diverse spraying environments. As a result, drone-based spraying is gaining popularity.

[0003] The spray gun of existing spraying drones may experience slight slippage during the spraying process, resulting in a decrease in spraying quality. Summary of the Invention

[0004] Purpose of the invention: The purpose of the present invention is to propose a UAV spraying mechanism that can improve the quality and efficiency of spraying operations.

[0005] Another object of the present invention is to provide a spraying drone having the above-mentioned drone spraying mechanism, which can greatly simplify the spraying operation process.

[0006] Technical solution: The drone spraying mechanism described in the present invention includes: a Y-shaped support assembly, which is detachably arranged at the lower end of the drone; a spraying assembly, which is detachably passed through the center of the Y-shaped support assembly; a material feeding assembly, which is arranged on the ground, and the material feeding assembly is connected to the spraying assembly through a material feeding pipe.

[0007] Furthermore, the Y-shaped support assembly includes at least two Y-shaped brackets and at least one auxiliary bracket, the upper end of the Y-shaped bracket is detachably connected to the bottom of the drone through a single-way fixing seat, the lower end of the Y-shaped bracket is detachably connected to the landing gear of the drone through an oblique three-way fixing seat, the upper end of the auxiliary bracket is detachably connected to the bottom of the drone through a single-way fixing seat, the middle of the Y-shaped bracket and the lower end of the auxiliary bracket are both provided with a sleeve, the spray assembly is detachably inserted into the sleeve, and double-way fixing seats are provided at both ends of the sleeve.

[0008] Furthermore, the spraying assembly includes a spray rod, a nozzle, an automatic spray gun and a gimbal camera. The nozzle and the automatic spray gun are respectively arranged at both ends of the spray rod. The gimbal camera is arranged at one end of the spray rod close to the nozzle. The spray rod is detachably passed through the center of the Y-shaped support assembly, and the automatic spray gun is connected to the delivery assembly through the delivery pipe.

[0009] Furthermore, the nozzle is an adaptive nozzle.

[0010] Furthermore, the spray assembly also includes a feed pipe fixing device, which is detachably arranged on the cross bar of the drone landing gear, and the feed pipe fixing device places the feed pipe perpendicular to the bottom of the drone's center of gravity.

[0011] Furthermore, threads are provided at both ends of the spray rod, and the spray rod is detachably connected to the nozzle and the automatic spray gun via the threads.

[0012] Furthermore, the feeding assembly includes a paint tank, a pressure pump, a paint delivery pipe and an automatic pipeline retraction device. The pressure pump is connected to the paint tank, one end of the paint delivery pipe is connected to the paint tank, and the other end of the paint delivery pipe is connected to the delivery pipe. The paint delivery pipe is wound on the automatic pipeline retraction device.

[0013] Furthermore, the Y-shaped support assembly is made of carbon fiber material.

[0014] The spraying drone described in the present invention includes the above-mentioned drone spraying mechanism.

[0015] Beneficial effects: Compared with the prior art, the present invention has the following advantages:

[0016] 1. The entire mechanism can be disassembled and stored separately for easy transportation and storage.

[0017] 2. The Y-type support assembly can well support the spraying assembly and ensure the spraying quality.

[0018] 3. The adaptive nozzle, universal camera, automatic spray gun and automatic pipeline retraction device work together to automatically adjust the spraying parameters and achieve uniform spraying of curved segmented outer panels.

[0019] 4. The feed pipe fixing device keeps the clinker pipe vertically below the center of gravity of the drone to prevent the total weight of the paint from increasing and causing the drone to roll over. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of a spraying drone according to an embodiment of the present invention from a bottom view;

[0021] Figure 2 Schematic side view of a spraying drone according to an embodiment of the present invention;

[0022] Figure 3 2 is a front view of a Y-shaped support assembly according to an embodiment of the present invention;

[0023] Figure 4 It is a left side schematic diagram of a material feeding assembly according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of the right side of the feeding assembly according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be further described below with reference to the accompanying drawings.

[0026] Reference Figures 1 to 5 The drone spraying mechanism according to an embodiment of the present invention includes a Y-shaped support assembly 100, a spraying assembly 200, and a material feeding assembly 300. The Y-shaped support assembly 100 is detachably mounted on the lower end of the drone, the spraying assembly 200 is detachably mounted through the center of the Y-shaped support assembly 100, and the material feeding assembly 300 is mounted on the ground and connected to the spraying assembly 200 via a material feeding pipe 400.

[0027] The drone spraying mechanism according to the above technical solution has detachable connections between its components, facilitating quick assembly and disassembly, and can be stored separately for easy transport and storage. At the same time, the spraying assembly 200 is firmly supported on the drone body by the multiple triangular structures of the Y-shaped support assembly 100, ensuring that the spraying process does not generate vibration or relative displacement of the drone, thereby improving the spraying quality. The feed assembly 300 can supply paint to the spraying assembly 200 on the ground, avoiding the time wasted on resupplying the drone when the spraying material runs out, thereby improving spraying efficiency.

[0028] Reference Figures 1 to 3 In some embodiments, the Y-shaped support assembly 100 includes at least two Y-shaped brackets 110 and an auxiliary bracket 130. One end of the Y-shaped bracket 110 is detachably connected to the bottom of the drone through a single-way fixing seat 120. The other two ends of the Y-shaped bracket 110 are detachably connected to the landing gear of the drone through two oblique three-way fixing seats 150. The auxiliary bracket 130 is arranged between the two Y-shaped brackets 110, and the upper end is detachably connected to the bottom of the drone through the single-way fixing seat 120. The auxiliary bracket 130 can share part of the weight of the spray assembly 200, further improving the stability of the spray assembly 200 and improving the spraying quality. Figure 3 A sleeve is provided in the middle of the Y-shaped bracket 110 and the lower end of the auxiliary bracket 130. The spray rod 210 of the spray assembly 200 is detachably connected to the Y-shaped support assembly 100 through the sleeve. A double-pass fixing seat 140 is provided at both ends of the sleeve. The double-pass fixing seat 140 is used to prevent the spray assembly 200 from displacing relative to the drone under the reaction force of the sprayed paint, causing uneven spray thickness.

[0029] In some embodiments, the Y-shaped support assembly 100 is made of carbon fiber, which is lightweight, high-strength, and resistant to corrosion, high temperatures, and fatigue. It is understood that the spray boom 210 can have different lengths and specifications, and different lengths of spray boom 210 can be selected and installed according to the spraying scenario.

[0030] Reference Figures 1 to 3 In some embodiments, the spray assembly 200 includes a spray bar 210, a nozzle 220, an automatic spray gun 230, and a gimbal camera 240. The nozzle 220 and the automatic spray gun 230 are respectively disposed at both ends of the spray bar 210. The gimbal camera 240 is disposed at the end of the spray bar 210 proximal to the nozzle 220. The automatic spray gun 230 is connected to the paint delivery pipe of the delivery assembly 300 via a delivery pipe 400. In some embodiments, the nozzle 220 is an adaptive nozzle, and the automatic spray gun 230 is equipped with an automatic valve that automatically opens and closes based on the pressure within the automatic spray gun 230. The gimbal camera 240 can move 180 degrees vertically and horizontally. The gimbal camera 240 collects information about the spraying surface and feeds it back to a controller. The controller adjusts the parameters of the adaptive nozzle based on the information collected by the gimbal camera 240 to maintain the nozzle 220 perpendicular to the curved segmented outer panel being sprayed, ensuring uniform spray thickness and ensuring that the spray distance and spray width are within an appropriate range, further improving the spraying quality.

[0031] In some embodiments, the spray assembly 200 further includes a feed pipe fixture 250, which is removably mounted on the horizontal bar of the drone's landing gear. This fixture 250 secures the feed pipe 400 vertically below the drone's center of gravity, preventing the drone from tipping over due to excessive weight of the coating. In this embodiment, a vertical sleeve is positioned in the middle of the feed pipe fixture 250, through which the feed pipe 400 passes, maintaining its vertical position below the drone's center of gravity.

[0032] In some embodiments, threads are provided at both ends of the spray rod 210, and the nozzle 220 and the automatic spray gun 230 are connected to the spray rod 210 via the threads, so as to facilitate disassembly, replacement or cleaning.

[0033] Reference Figure 4 and Figure 5 In some embodiments, the feed assembly 300 includes a paint tank 310, a pressure pump 320, a paint delivery pipe, and an automatic pipeline retraction and extension device 330. The pressure pump 320 is connected to the paint tank 310 and directly applies a constant high pressure to the paint in the paint tank 310 according to a set pressure value. This creates pressure within the automatic spray gun 230 and causes the paint to be atomized and sprayed from the adaptive nozzle. This prevents air from entering the spraying process, resulting in high spray efficiency and a more uniform spraying effect. The paint delivery pipe is connected to the automatic spray gun 230 at one end and to the paint tank 310 at the other end. The paint delivery pipe is wound around the automatic pipeline retraction and extension device 330 and is retracted and extended under the control of the automatic pipeline retraction and extension device 330. It is understood that the automatic pipeline retraction and extension device 330 includes a tension sensor, a roller for winding the paint delivery pipe, and a motor for driving the roller. A controller controls the rotation and torque of the motor based on the tension of the paint delivery pipe detected by the tension sensor, keeping the paint delivery pipe stretched and straight, ensuring smooth paint delivery.

[0034] According to an embodiment of the present invention, the spraying drone is provided with the Y-shaped support assembly 100 and the spraying assembly 200 at the bottom of the drone. The spraying assembly 200 is connected to the feed assembly 300 disposed on the ground via a feed pipe 400. The spraying drone according to an embodiment of the present invention can ensure spraying efficiency while also ensuring uniform spray thickness and spraying quality.

Claims

1. A UAV spraying mechanism, characterized in that: include: A Y-shaped support assembly (100) is detachably arranged at the lower end of the drone; the Y-shaped support assembly (100) comprises at least two Y-shaped brackets (110) and at least one auxiliary bracket (130); the upper end of the Y-shaped bracket (110) is detachably connected to the bottom of the drone via a single-way fixing seat (120); the lower end of the Y-shaped bracket (110) is detachably connected to the landing gear of the drone via an oblique three-way fixing seat (150); the upper end of the auxiliary bracket (130) is detachably connected to the bottom of the drone via a single-way fixing seat (120); a sleeve is provided in the middle of the Y-shaped bracket (110) and the lower end of the auxiliary bracket (130); the spray assembly (200) is detachably inserted into the sleeve, and two ends of the sleeve are provided with a double-way fixing seat (140); A spray assembly (200) is detachably mounted on the center of the Y-shaped support assembly (100); A material delivery assembly (300) is disposed on the ground, and the material delivery assembly (300) is connected to the spraying assembly (200) via a material delivery pipe (400); The Y-shaped support assembly (100) is made of carbon fiber material.

2. The UAV spraying mechanism according to claim 1, characterized in that The spraying assembly (200) includes a spray rod (210), a nozzle (220), an automatic spray gun (230) and a universal camera (240). The nozzle (220) and the automatic spray gun (230) are respectively arranged at both ends of the spray rod (210). The universal camera (240) is arranged at one end of the spray rod (210) close to the nozzle (220). The spray rod (210) is detachably installed at the center of the Y-shaped support assembly (100). The automatic spray gun (230) is connected to the feeding assembly (300) through the feeding pipe (400).

3. The UAV spraying mechanism according to claim 1, characterized in that The spray assembly (200) further includes a feed pipe fixing device (250), which is detachably mounted on a horizontal bar of the drone landing gear. The feed pipe fixing device (250) positions the feed pipe (400) perpendicularly below the center of gravity of the drone.

4. The UAV spraying mechanism according to claim 2, characterized in that: Both ends of the spray rod (210) are provided with threads, and the spray rod (210) is detachably connected to the nozzle (220) and the automatic spray gun (230) via the threads.

5. The UAV spraying mechanism according to claim 2, characterized in that The feeding assembly (300) includes a paint tank (310), a pressure pump (320), a paint delivery pipe and an automatic pipeline retraction device (330). The pressure pump (320) is connected to the paint tank (310), one end of the paint delivery pipe is connected to the paint tank (310), and the other end of the paint delivery pipe is connected to the automatic spray gun (230). The paint delivery pipe is wound around the automatic pipeline retraction device (330).

6. A spraying drone, characterized in that: It comprises the drone spraying mechanism according to any one of claims 1 to 5.

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