A tree trunk whitewash spraying device

By designing a tree trunk whitening agent spraying device with an electric telescopic rod and spraying mechanism, the problem of low tree trunk whitening efficiency in the existing technology has been solved. It realizes automated 360-degree spraying without dead angles and height adjustment, thereby improving whitening efficiency.

CN224423250UActive Publication Date: 2026-06-30JINING JINGSHENG LANDSCAPING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINING JINGSHENG LANDSCAPING CO LTD
Filing Date
2025-07-31
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing methods for whitewashing tree trunks are inefficient, requiring manual hand-held brushes and the use of lifting tools to adapt to different heights, which reduces the efficiency of whitewashing.

Method used

Design a tree trunk whitening agent spraying device that includes an electric telescopic rod and a spraying mechanism. Utilizes structures such as an arc-shaped limiting frame, an arc-shaped rotating rack, a drive gear, a synchronous wheel, a guide wheel, and a drive motor to achieve automatic 360-degree spraying without blind spots, and adjust the height via the electric telescopic rod.

Benefits of technology

It improves the efficiency of whitewashing tree trunks, realizes automated spraying, adapts to different tree trunk heights, and the electric telescopic pole supports stepless height adjustment from 1.8 to 5.2 meters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224423250U_ABST
    Figure CN224423250U_ABST
Patent Text Reader

Abstract

This utility model belongs to the field of tree trunk whitening and relates to a tree trunk whitening agent spraying device, including an electric telescopic rod. A spraying mechanism is fixedly connected to the left side of the electric telescopic rod. The spraying mechanism includes a U-shaped frame, and an arc-shaped limiting frame is arranged on the left side of the U-shaped frame. The arc-shaped limiting frame is fixedly connected to the U-shaped frame. An arc-shaped rotating rack is arranged inside the arc-shaped limiting frame. Grooves are respectively opened on the front and rear sides of the arc-shaped limiting frame. A drive gear is arranged on one side of the groove. Through the combined use of the above structures, this device can automatically whiten tree trunks 360 degrees without dead angles. By using the combined structure of the arc-shaped limiting frame, arc-shaped rotating rack, grooves, drive gear, rotating shaft, synchronous wheel, guide wheel A, guide wheel B, synchronous belt, drive motor, etc., automatic tree trunk spraying can be achieved, thereby improving the efficiency of tree trunk whitening.
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Description

Technical Field

[0001] This utility model belongs to the field of tree trunk whitening and relates to a tree trunk whitening agent spraying device. Background Technology

[0002] The quicklime and sulfur in the whitewash can penetrate the cracks in the bark, killing latent pathogens (such as rot pathogens) and insect eggs. In particular, the killing rate of overwintering pests (mites and scale insects) can reach more than 78%. The white coating forms a smooth surface, blocking the upward path of pests such as aphids and longhorn beetle larvae in the soil along the trunk, thus reducing the incidence of pests.

[0003] Currently, most tree trunk whitening is done manually by holding a brush, which is then applied to the tree trunk to coat it with whitening agent. However, when whitening higher tree trunks, lifting and lowering tools are needed, which not only reduces the efficiency of whitening but also requires the use of tools to adapt to whitening tree trunks of different heights. Utility Model Content

[0004] The technical problem this invention aims to solve is that existing methods for whitewashing tree trunks mostly involve manual hand-held brushes. The brush is brought into contact with the whitewash agent, allowing it to adhere to the brush before the whitewash is applied to the tree trunk. However, when whitewashing higher sections of the trunk, lifting and lowering tools are required. This method not only reduces efficiency but also necessitates the use of these tools to accommodate trunks of varying heights. To overcome these shortcomings, this invention provides a tree trunk whitewash spraying device.

[0005] This utility model discloses a tree trunk whitewash spraying device, including an electric telescopic rod. A spraying mechanism is fixedly connected to the left side of the electric telescopic rod. The spraying mechanism includes a U-shaped frame, with an arc-shaped limiting frame located on the left side of the U-shaped frame. The arc-shaped limiting frame is fixedly connected to the U-shaped frame. An arc-shaped rotating rack is located inside the arc-shaped limiting frame. Grooves are respectively opened on the front and rear sides of the arc-shaped limiting frame. A drive gear is located on one side of the groove. The drive gear passes through the groove on the arc-shaped limiting frame and meshes with the arc-shaped rotating rack. A rotating shaft is fixedly connected to the inner cavity of the drive gear. Synchronous pulleys are fixedly connected to the surfaces of each rotating shaft. A guide wheel A is fixedly connected to the middle of the upper part of the inner cavity of the U-shaped frame. A guide wheel B is fixedly connected to the right side of the upper part of the inner cavity of the U-shaped frame. The same synchronous belt is fitted on the two synchronous pulleys, guide wheel A, and guide wheel B. A drive motor is fixedly connected to the lower part of one of the rotating shafts. The housing of the drive motor is fixedly connected to the lower surface of the U-shaped frame. A spray head is provided on the arc-shaped rotating rack.

[0006] The nozzle includes a connecting block that communicates with the nozzle. The nozzle is located in front of the connecting block. The rear surface of the connecting block is fixedly connected to the arc-shaped sidewall of the arc-shaped rotating rack. A connecting flange is fixedly connected to the upper part of the connecting block.

[0007] The upper and lower sidewalls of the arc-shaped rotating rack are respectively provided with arc-shaped limiting grooves, and an arc-shaped limiting plate is slidably connected inside the arc-shaped limiting groove. The arc-shaped limiting groove and the arc-shaped limiting plate cooperate with each other, and the upper part of the arc-shaped limiting plate is fixedly connected to the inner wall of the arc-shaped limiting frame.

[0008] A protective rubber pad is fitted on the right side of the surface of the electric telescopic pole.

[0009] L-shaped baffles are fixedly connected to the front and rear sides of the U-shaped frame surface, and the upper part of the rotating shaft is movably connected to the L-shaped baffles through a rotating joint.

[0010] The upper and lower parts of the arc-shaped limiting frame are respectively fixedly connected to arc-shaped protective plates.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: Through the combined use of the above structures, this equipment can achieve automatic 360-degree whitening of tree trunks without dead angles during use. By using the combined use of structures such as arc-shaped limiting frame, arc-shaped rotating rack, groove, drive gear, rotating shaft, synchronous wheel, guide wheel A, guide wheel B, synchronous belt, and drive motor, automatic spraying of tree trunks can be achieved, thereby improving the efficiency of whitening tree trunks. 2. This equipment can support stepless height adjustment from 1.8 to 5.2 meters using an electric telescopic rod. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is an exploded structural diagram of the present invention.

[0014] Figure 3 This is a schematic diagram of the guide wheel B structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the arc-shaped protective plate structure of this utility model.

[0016] Figure 5 This is a schematic diagram of the drive motor structure of this utility model.

[0017] Figure 6 This is a schematic diagram of the arc-shaped limiting plate structure of this utility model.

[0018] In the diagram: 1. Electric telescopic rod; 2. Spraying mechanism; 201. U-shaped frame; 202. Arc-shaped limiting frame; 203. Arc-shaped rotating rack; 204. Groove; 205. Drive gear; 206. Rotating shaft; 207. Synchronous pulley; 208. Guide wheel A; 209. Guide wheel B; 210. Synchronous belt; 211. Drive motor; 3. Spray head; 301. Connecting block; 302. Connecting flange; 4. Protective rubber pad; 5. L-shaped baffle; 6. Arc-shaped protective plate; 7. Arc-shaped limiting groove; 8. Arc-shaped limiting plate. Detailed Implementation Example 1

[0019] like Figures 1-6 As shown, the device includes an electric telescopic rod 1, with a spraying mechanism 2 fixedly connected to its left side. The spraying mechanism 2 includes a U-shaped frame 201, with an arc-shaped limiting frame 202 located on the left side of the U-shaped frame 201. The arc-shaped limiting frame 202 is fixedly connected to the U-shaped frame 201, and an arc-shaped rotating rack 203 is located inside the arc-shaped limiting frame 202. Grooves 204 are respectively provided on the front and rear sides of the arc-shaped limiting frame 202. A drive gear 205 is located on one side of each groove 204. The drive gear 205 passes through the grooves 204 on the arc-shaped limiting frame 202 and meshes with the arc-shaped rotating rack 203. A rotating shaft 206 is fixedly connected to the inner cavity of the drive gear 205. A synchronous wheel 207 is fixedly connected to the surface of each rotating shaft 206. A guide wheel A208 is fixedly connected to the middle of the upper part of the inner cavity of the U-shaped frame 201. A guide wheel B209 is fixedly connected to the right side of the upper part of the inner cavity of the U-shaped frame 201. The same synchronous belt 210 is sleeved on the two synchronous wheels 207, the guide wheel A208, and the guide wheel B209. A drive motor 211 is fixedly connected to the lower part of one of the rotating shafts 206. The housing of the drive motor 211 is fixedly connected to the lower surface of the U-shaped frame 201. A nozzle 3 is provided on the arc-shaped rotating rack 203.

[0020] The nozzle 3 includes a connecting block 301, which is connected to the nozzle 3. The nozzle 3 is located in front of the connecting block 301. The rear surface of the connecting block 301 is fixedly connected to the arc-shaped sidewall of the arc-shaped rotating rack 203. A connecting flange 302 is fixedly connected to the upper part of the connecting block 301.

[0021] The upper and lower side walls of the arc-shaped rotating rack 203 are respectively provided with arc-shaped limiting grooves 7. Arc-shaped limiting plates 8 are slidably connected inside the arc-shaped limiting grooves 7. The arc-shaped limiting grooves 7 and the arc-shaped limiting plates 8 cooperate with each other. The upper part of the arc-shaped limiting plate 8 is fixedly connected to the inner wall of the arc-shaped limiting frame 202. When spraying whitewash on the tree trunk, the connecting flange 302 is connected to the external spraying pipe to establish a whitewash delivery channel. Then, according to the different heights of the tree trunks being sprayed, the equipment is vertically extended and adjusted by the electric telescopic rod 1. The electric telescopic rod 1 supports stepless height adjustment from 1.8 to 5.2 meters to adapt to the needs of different tree species. After adjusting to a suitable position, the staff moves the equipment to a position close to the tree trunk and starts the drive motor 211, which drives one of the rotating shafts 206 to rotate. When one shaft 206 is driven to rotate, the synchronous belt 210 drives the synchronous pulley 207 and one of the gears to rotate. The synchronous pulley 207 drives the synchronous belt 210 on the surface to move. The synchronous belt 210 then drives the other synchronous pulley 207 to drive the shaft 206 to rotate. When the other shaft 206 rotates, it drives another gear to rotate. The other gear and one of the gears rotate synchronously to drive the arc-shaped rotating rack 203 to move. The arc-shaped rotating rack 203 rotates around the outer wall of the trunk. When the arc-shaped rotating rack 203 rotates, it drives the fixed connecting block 301 to move. The whitening liquid is then transported into the connecting block 301 through the spray pipe. The connecting block 301 then transports the liquid into the spray head. The spray head then sprays the whitening liquid onto the trunk to perform the whitening operation. Example 2

[0022] like Figures 1-6 As shown, a protective rubber pad 4 is fitted on the right side of the surface of the electric telescopic rod 1 to improve the comfort of holding it.

[0023] L-shaped baffles 5 are fixedly connected to the front and rear sides of the surface of the U-shaped frame 201, and the upper part of the rotating shaft 206 is movably connected to the L-shaped baffles 5 through a rotating joint.

[0024] The upper and lower parts of the arc-shaped limiting frame 202 are respectively fixedly connected to arc-shaped protective plates 6 to prevent the whitening liquid from dripping onto the staff during the whitening process.

[0025] Working principle: When spraying whitewash onto tree trunks, the connecting flange 302 is connected to the external spraying pipeline to establish a whitewash delivery channel. Depending on the height of the tree trunk being sprayed, the equipment is vertically extended and adjusted using the electric telescopic rod 1. The electric telescopic rod 1 supports stepless height adjustment from 1.8 to 5.2 meters to adapt to different tree species. After adjusting to the appropriate position, the operator moves the equipment closer to the tree trunk and starts the drive motor 211. The drive motor 211 drives one of the rotating shafts 206 to rotate. When the rotating shaft 206 rotates, it synchronously drives the synchronous pulley 207 and one of the gears to rotate. The synchronous belt 210 mounted on the drive surface of wheel 207 moves, and the synchronous belt 210 drives another synchronous wheel 207 to rotate shaft 206. When the other shaft 206 rotates, it can drive another gear to rotate, and the other gear and one of the gears rotate synchronously to drive the arc-shaped rotating rack 203 to move. The arc-shaped rotating rack 203 rotates around the outer wall of the trunk. When the arc-shaped rotating rack 203 rotates, it can drive the fixed connecting block 301 to move, and the whitening liquid is transported into the interior of the connecting block 301 through the spray pipe, and the liquid is transported into the interior of the spray head through the connecting block 301, and then the spray head sprays the whitening liquid onto the trunk to perform the whitening operation.

[0026] The descriptions of the orientation and relative positional relationships of the structure in this utility model, such as descriptions of front, back, left, right, up, and down, do not constitute a limitation on this utility model, but are merely for the convenience of description.

Claims

1. A trunk whitewash spraying device comprising an electric telescopic pole (1), characterized in that: The electric telescopic rod (1) is fixedly connected to a spraying mechanism (2) on its left side. The spraying mechanism (2) includes a U-shaped frame (201). An arc-shaped limiting frame (202) is provided on the left side of the U-shaped frame (201). The arc-shaped limiting frame (202) is fixedly connected to the U-shaped frame (201). An arc-shaped rotating rack (203) is provided inside the arc-shaped limiting frame (202). Grooves (204) are respectively opened on the front and rear sides of the arc-shaped limiting frame (202). A drive gear (205) is provided on one side of the groove (204). The drive gear (205) passes through the groove (204) on the arc-shaped limiting frame (202) and meshes with the arc-shaped rotating rack (203). 205) A rotating shaft (206) is fixedly connected to the inner cavity. A synchronous wheel (207) is fixedly connected to the surface of each rotating shaft (206). A guide wheel A (208) is fixedly connected to the middle of the upper part of the inner cavity of the U-shaped frame (201). A guide wheel B (209) is fixedly connected to the right side of the upper part of the inner cavity of the U-shaped frame (201). The same synchronous belt (210) is fitted on the two synchronous wheels (207), guide wheel A (208), and guide wheel B (209). A drive motor (211) is fixedly connected to the lower part of one of the rotating shafts (206). The housing of the drive motor (211) is fixedly connected to the lower surface of the U-shaped frame (201). A nozzle (3) is provided on the arc-shaped rotating rack (203).

2. A trunk whitening agent spraying device according to claim 1, characterized in that: The nozzle (3) includes a connecting block (301), which is connected to the nozzle (3). The nozzle (3) is located in front of the connecting block (301). The rear surface of the connecting block (301) is fixedly connected to the arc-shaped sidewall of the arc-shaped rotating rack (203). A connecting flange (302) is fixedly connected to the upper part of the connecting block (301).

3. The tree trunk whitewash spraying device according to claim 2, characterized in that: Arc-shaped limiting grooves (7) are respectively provided on the upper and lower side walls of the arc-shaped rotating rack (203). An arc-shaped limiting plate (8) is slidably connected inside the arc-shaped limiting groove (7). The arc-shaped limiting groove (7) and the arc-shaped limiting plate (8) cooperate with each other. The upper part of the arc-shaped limiting plate (8) is fixedly connected to the inner wall of the arc-shaped limiting frame (202).

4. The tree trunk whitewash spraying device according to claim 3, characterized in that: A protective rubber pad (4) is fitted on the right side of the surface of the electric telescopic rod (1).

5. The tree trunk whitewash spraying device according to claim 1, characterized in that: L-shaped baffles (5) are fixedly connected to the front and rear sides of the surface of the U-shaped frame (201), and the upper part of the rotating shaft (206) is movably connected to the L-shaped baffles (5) through a rotating joint.

6. The tree trunk whitewash spraying device according to claim 5, characterized in that: The upper and lower parts of the arc-shaped limiting frame (202) are respectively fixedly connected to arc-shaped protective plates (6).