A tree trunk whitening apparatus

CN224657154UActive Publication Date: 2026-08-21LANZHOU INSTITUTE OF HORTICULTURE SCIENCE
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Patent Information

Application Number
CN202522096928.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-08-21
Estimated Expiration
2035-09-29

AI Technical Summary

Technical Problem

[0003]本实用新型针对现有技术存在的上述不足,提供一种弹性伸缩杆推动滚动筒紧密贴合树干,适应树干表面凹凸,避免漏涂;螺旋移动轨迹确保涂白层厚度一致,杜绝人工涂抹的重复叠加或涂层不均问题的一种树干涂白设备

Benefits of technology

[0007]1、本实用新型定位插杆穿过对称的外壳侧板,通过多个定位插杆对对称的半圆外壳竖直定位,防止两者竖直错位,U型卡板与插杆侧槽插接,通过U型卡板防止定位插杆从外壳侧板内滑出,条形定位板与U型卡板的配合使对称的半圆外壳紧密对合,防止两者在压力下断开连接,对称的半圆外壳设置成对合的结构,在使用时方便安装扣在树干外侧,螺旋轨道安装固定在半圆外壳内部,安装在对称的半圆外壳内的螺旋轨道在对称的半圆外壳对合时,螺旋轨道组成一个完整的螺旋轨道,二号螺旋滑板与一号螺旋滑板通过强力磁相连,两者组成一个螺旋环形一周,使转动齿柱转动带动一号螺旋滑板、二号螺旋滑板转动的同时在螺旋滑槽内滑动,使一号螺旋滑板的竖直高度同时发生变化,矩形支撑板对转动齿柱支撑,下定位杆穿过矩形支撑板连接转动齿柱,上定位杆穿过L型安装板连接转动齿柱,上定位杆与下定位杆上下配合作为转动齿柱的转轴,使转动齿柱以下定位杆、上定位杆为轴转动,转动齿柱侧面穿过条形让位孔与一号螺旋滑板、二号螺旋滑板外侧啮合,转动齿柱自转带动一号螺旋滑板、二号螺旋滑板转动。

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Abstract

A kind of tree whitewashing equipment, including semicircle shell, shell side plate, positioning plug rod, rectangular support plate, spiral track, motor, No. 1 spiral slide, No. 2 spiral slide, fixed sleeve, clamping rod, rolling cylinder, the semicircle shell side has shell side plate, strip positioning plate side is attached with shell side plate, strip positioning plate side has multiple positioning plug rods, a group of semicircle shell is symmetrically arranged, symmetric shell side plate is attached, positioning plug rod passes through symmetric shell side plate, positioning plug rod both sides have plug rod side groove, U-shaped clamping plate inside is adapted to plug rod side groove, U-shaped clamping plate inside is inserted into plug rod side groove, U-shaped clamping plate side is attached with shell side plate, strip positioning plate, U-shaped clamping plate are symmetrically arranged in semicircle shell two sides.
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Description

Technical Field

[0001] This utility model relates to the field of tree trunk whitening, and more particularly to a tree trunk whitening device. Background Technology

[0002] An existing patent (publication number: CN109433487B) discloses a tree trunk whitening device for landscaping, including a walking device, a support frame, an adjusting device, and a spraying device. The support frame is located on top of the walking device and fixedly connected to it. One end of the adjusting device is located inside the support frame and slidably engaged with it. The spraying device is installed on the other side of the adjusting device. A feeding device for supplying material to the spraying device is provided on the top of the walking device next to the support frame. The support frame includes a lifting component and an upright support column. The lifting component is installed on the upper section of the support column and cooperates with the adjusting device. The adjusting device includes a first adjusting component that cooperates with the lifting component, a second adjusting component that slidably cooperates with the first adjusting component, and an angle adjusting member fixed to the second adjusting component. The second adjusting component is placed inside the first adjusting component. The angle adjusting member of the adjusting device drives the housing to rotate horizontally to adjust the angle. However, this device cannot guarantee the distance between the spraying mechanism and the tree trunk when rotating on the outside of the tree trunk, which will lead to uneven spraying around the tree trunk. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings of existing technologies by providing a tree trunk whitening device that uses an elastic telescopic rod to push a rolling cylinder to closely fit the tree trunk, adapting to the unevenness of the tree trunk surface and preventing missed areas; the spiral movement trajectory ensures a consistent white coating thickness, eliminating the problems of repeated layering or uneven coating caused by manual application.

[0004] The objective of this utility model is achieved through the following technical solution: A tree trunk whitening device includes a semi-circular outer shell, outer shell side plates, positioning rods, a rectangular support plate, a spiral track, a motor, a first spiral sliding plate, a second spiral sliding plate, a fixing sleeve, a clamping rod, and a rolling cylinder. The semi-circular outer shell has outer shell side plates on its side, and a strip positioning plate is attached to the outer shell side plates on its side. The strip positioning plate has multiple positioning rods on its side. A set of semi-circular outer shells is symmetrically arranged, with symmetrical outer shell side plates attached to each other. The positioning rods pass through the symmetrical outer shell side plates, and each positioning rod has a rod side groove on both sides. The inner side of a U-shaped clamping plate is adapted to the rod side groove, and the inner side of the U-shaped clamping plate is inserted into the rod side groove. The side of the U-shaped clamping plate is attached to the outer shell side plates. The strip positioning plate and the U-shaped clamping plate are symmetrically arranged on both sides of the semi-circular outer shell.

[0005] The upper part of the semi-circular outer shell has an L-shaped mounting plate, and the side of the semi-circular outer shell has a strip-shaped clearance hole. The side of the rotating gear column is inserted into the strip-shaped clearance hole. The upper part of the rotating gear column is connected to the upper positioning rod. The side of the motor is connected to the L-shaped mounting plate. The upper positioning rod passes through the L-shaped mounting plate. The motor shaft is connected to the L-shaped mounting plate. The bottom side of the strip-shaped clearance hole has a rectangular support plate. The lower surface of the rotating gear column is in contact with the rectangular support plate.

[0006] The lower part of the rotating gear column is connected to the lower positioning rod, which passes through the rectangular support plate and rotates within the rectangular support plate. The interior of the semi-circular outer shell is connected to a spiral track, which has a spiral groove and a track-side clearance groove. The rotating gear column is inserted into the track-side clearance groove. The side of the first spiral slide plate is in contact with the second spiral slide plate. The first and second spiral slide plates are adapted to the spiral groove. The first and second spiral slide plates are inserted into the spiral groove and slide within the spiral groove. Beneficial effects

[0007] 1. This utility model uses positioning rods that pass through symmetrical outer shell side plates. Multiple positioning rods vertically position the symmetrical semi-circular outer shell, preventing vertical misalignment. A U-shaped locking plate engages with the side groove of the rod, preventing the positioning rod from sliding out of the outer shell side plate. The cooperation between the strip positioning plate and the U-shaped locking plate ensures a tight fit between the symmetrical semi-circular outer shells, preventing disconnection under pressure. The symmetrical semi-circular outer shells are designed with an interlocking structure for easy installation and fastening onto the outside of the tree trunk. A spiral track is installed and fixed inside the semi-circular outer shell. When the symmetrical semi-circular outer shells are aligned, the spiral track forms a complete spiral track. The second spiral slide plate and the first spiral... The slide plates are connected by a strong magnet, forming a spiral ring. This causes the rotating gear column to rotate, driving the first and second spiral slide plates to rotate while sliding within the spiral groove. This causes the vertical height of the first spiral slide plate to change simultaneously. A rectangular support plate supports the rotating gear column. The lower positioning rod passes through the rectangular support plate and connects to the rotating gear column, while the upper positioning rod passes through the L-shaped mounting plate and connects to the rotating gear column. The upper and lower positioning rods work together to serve as the rotating shaft of the rotating gear column, allowing it to rotate around the lower and upper positioning rods. The side of the rotating gear column passes through a strip-shaped clearance hole and meshes with the outer sides of the first and second spiral slide plates. The rotation of the rotating gear column drives the first and second spiral slide plates to rotate.

[0008] 2. This utility model involves inserting a horizontal rod into a fixed sleeve, forming a telescopic rod with the fixed sleeve. A spring is placed inside the fixed sleeve, applying an elastic thrust to the horizontal rod to keep it in an extended state. A limiting block passes through a strip-shaped sliding hole and connects to the horizontal rod, preventing it from popping out of the fixed sleeve. The sliding distance of the strip-shaped sliding hole within the limiting block is the telescopic displacement of the rod. A clamping rod is inserted into a rolling cylinder, allowing the cylinder to be mounted on the clamping rod and rotate. The telescopic rod is designed with an elastic telescopic structure. During use, a thrust is applied to the rolling cylinder, pushing it to fit against the tree trunk surface. The motor, driven by the rotation of the rotating gear column, causes the second spiral slide plate to rotate along the spiral track, enabling the clamping rod to perform a spiral upward whitening operation on the tree trunk surface. This automated spiral whitening design replaces repeated manual application, reducing physical exertion and significantly improving the efficiency of large-scale whitening operations. The elastic telescopic rod pushes the rolling cylinder to fit tightly against the tree trunk, adapting to the unevenness of the trunk surface and preventing missed areas. The spiral movement trajectory ensures a consistent whitening layer thickness, eliminating the problems of repeated layering or uneven coating caused by manual application. The telescopic pole can be flexibly adjusted according to the trunk diameter, adapting to different specifications of tree trunks from thin seedlings to thick mature trees, without the need to replace the device, thus reducing equipment investment costs. Attached Figure Description

[0009] Figure 1 This is a top view of a tree trunk whitening device according to the present invention.

[0010] Figure 2 This is a bottom view of a tree trunk whitening device according to the present invention.

[0011] Figure 3 This is a side sectional view of a tree trunk whitening device according to the present invention.

[0012] Figure 4 This is a top sectional view of a tree trunk whitening device according to the present invention.

[0013] Figure 5 This is a schematic diagram of the No. 1 and No. 2 spiral slide plates of this utility model.

[0014] Figure 6 This is a schematic diagram of the fixed sleeve and rolling cylinder structure described in this utility model. Detailed Implementation

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments: Example 1: A tree trunk whitening device includes a semi-circular outer shell 01, outer shell side plates 02, positioning rods 04, a rectangular support plate 06, a spiral track 11, a motor 14, a first spiral slide plate 15, a second spiral slide plate 16, a fixing sleeve 18, a clamping rod 22, and a rolling cylinder 23. The semi-circular outer shell 01 has outer shell side plates 02 on its side, and a strip-shaped positioning plate 03 is attached to the outer shell side plates 02 on its side. The strip-shaped positioning plate 03 has multiple positioning rods 04 on its side. A set of semi-circular outer shells 01 are symmetrically arranged, with symmetrical outer shell side plates 02 attached together. The positioning rods 04 pass through the symmetrical outer shell side plates 02, and the symmetrical semi-circular outer shells 01 are vertically positioned by the multiple positioning rods 04. To prevent vertical misalignment, the positioning rod 04 has rod side grooves 25 on both sides. The inner side of the U-shaped clamping plate 26 is adapted to the rod side grooves 25. The inner side of the U-shaped clamping plate 26 is inserted into the rod side grooves 25. The U-shaped clamping plate 26 prevents the positioning rod 04 from sliding out of the outer shell side plate 02. The cooperation between the strip positioning plate 03 and the U-shaped clamping plate 26 makes the symmetrical semi-circular outer shell 01 tightly fit together, preventing the two from breaking apart under pressure. The symmetrical semi-circular outer shell 01 is set in a mating structure, which is convenient to install and fasten to the outside of the tree trunk during use. The side of the U-shaped clamping plate 26 fits against the outer shell side plate 02. The strip positioning plate 03 and the U-shaped clamping plate 26 are symmetrically arranged on both sides of the semi-circular outer shell 01.

[0016] Example 2: The semi-circular outer shell 01 of this utility model has an L-shaped mounting plate 09 on its upper part and a strip-shaped clearance hole 05 on its side. The rotating gear column 07 is inserted into the strip-shaped clearance hole 05 on its side. The upper part of the rotating gear column 07 is connected to the upper positioning rod 10. The side of the motor 14 is connected to the L-shaped mounting plate 09. The upper positioning rod 10 passes through the L-shaped mounting plate 09. The upper positioning rod 10 and the lower positioning rod 08 cooperate to serve as the rotating shaft of the rotating gear column 07, so that the rotating gear column 07 rotates with the lower positioning rod 08 and the upper positioning rod 10 as the axis. The rotating shaft of the motor 14 is connected to the L-shaped mounting plate 09. The bottom side of the strip-shaped clearance hole 05 has a rectangular support plate 06. The lower surface of the rotating gear column 07 is in contact with the rectangular support plate 06, and the rectangular support plate 06 supports the rotating gear column 07.

[0017] Example 3: The rotating gear column 07 of this invention is connected to a lower positioning rod 08 at its lower part. The lower positioning rod 08 passes through a rectangular support plate 06 and rotates within the rectangular support plate 06. A spiral track 11 is connected inside the semi-circular outer shell 01. The spiral track 11 is installed and fixed inside the semi-circular outer shell 01. When the symmetrical semi-circular outer shells 01 are aligned, the spiral tracks 11 form a complete spiral track. The spiral track 11 has a spiral groove 13 inside and a track side clearance groove 12. The rotating gear column 07 is inserted into the track side clearance groove 12. The side of the first spiral slide plate 15 is in contact with the second spiral slide plate 16. The first spiral slide plate 15 and the second spiral slide plate 16 are in contact. Corresponding to the spiral groove 13, the first spiral slide plate 15 and the second spiral slide plate 16 are inserted into the spiral groove 13. The first spiral slide plate 15 and the second spiral slide plate 16 slide within the spiral groove 13. The second spiral slide plate 16 is connected to the first spiral slide plate 15 by a strong magnet. The two form a spiral ring. The rotating gear column 07 rotates, causing the first spiral slide plate 15 and the second spiral slide plate 16 to rotate while sliding within the spiral groove 13. This causes the vertical height of the first spiral slide plate 15 to change simultaneously. The side of the rotating gear column 07 passes through the strip-shaped clearance hole 05 and meshes with the outer side of the first spiral slide plate 15 and the second spiral slide plate 16. The rotation of the rotating gear column 07 drives the first spiral slide plate 15 and the second spiral slide plate 16 to rotate.

[0018] Example 4: The inner side of the second spiral slide plate 16 of this utility model has a side rectangular plate 17. The side of the fixed sleeve 18 is connected to the side rectangular plate 17. The side of the clamping rod 22 has a horizontal insertion rod 19. The horizontal insertion rod 19 is adapted to the fixed sleeve 18 and is inserted into the fixed sleeve 18. The fixed sleeve 18 and the horizontal insertion rod 19 form a telescopic rod. The horizontal insertion rod 19 slides in the fixed sleeve 18. The upper part of the fixed sleeve 18 has a strip-shaped sliding hole 20. The limiting block 21 is adapted to the strip-shaped sliding hole 20 and is inserted into the strip-shaped sliding hole 20. The limiting block 21 slides in the strip-shaped sliding hole 20. The lower part of the limiting block 21 is connected to the horizontal insertion rod 19. The limiting block 21 passes through the strip-shaped sliding hole 20 and connects to the horizontal insertion rod 19. The strip-shaped sliding hole 20 prevents the horizontal insertion rod 19 from popping out of the fixed sleeve 18. The sliding distance of the strip-shaped sliding hole 20 in the limiting block 21 is the telescopic displacement of the telescopic rod.

[0019] Example 5: In this invention, spring 24 is inserted into fixed sleeve 18. One end of spring 24 abuts against side rectangular plate 17, and the other end of spring 24 abuts against horizontal insertion rod 19. Spring 24 is placed inside fixed sleeve 18 and applies elastic thrust to horizontal insertion rod 19, so that telescopic rod is always in the extended state. The upper and lower ends of clamp rod 22 are inserted into rolling cylinder 23. Rolling cylinder 23 is covered with roller brush bristles, so that rolling cylinder 23 is mounted on clamp rod 22 and can rotate. The telescopic rod is designed with elastic telescopic structure. In use, a thrust is applied to rolling cylinder 23 to push rolling cylinder 23 to fit against the surface of tree trunk. The motor 14 is started and driven by the rotation of rotating gear column 07 to make the second spiral slide plate 16 rotate along spiral track 11, so that clamp rod 22 performs spiral upward whitening operation on the surface of tree trunk. The automated spiral whitewashing design replaces manual repetitive application, reducing physical exertion and significantly improving the efficiency of large-scale whitewashing operations. The flexible telescopic rod pushes the rolling drum 23 to closely conform to the tree trunk, adapting to the uneven surface and preventing missed areas. The spiral movement trajectory ensures a consistent whitewash layer thickness, eliminating the problems of repeated layering or uneven coating that occur with manual application. The telescopic rod can be flexibly adjusted according to the trunk diameter, adapting to different trunk sizes from slender seedlings to mature trees with thick trunks, eliminating the need for device replacement and reducing equipment investment costs.

[0020] Installation steps: First, insert the second spiral slide plate 16 into the spiral groove 13, then insert the first spiral slide plate 15 into the spiral groove 13. Connect the spiral track 11 to the semi-circular outer shell 01. Insert the rotating toothed column 07 into the strip-shaped clearance hole 05. Connect the lower positioning rod 08 through the rectangular support plate 06 to the rotating toothed column 07. Connect the upper positioning rod 10 through the L-shaped mounting plate 09 to the rotating toothed column 07. Connect the motor 14 shaft to the upper positioning rod 10. Connect the side of the motor 14 to the L-shaped mounting plate 09. Insert the spring 24 into the fixing sleeve 18. Insert the horizontal insertion rod 19 into the fixing sleeve 18. Connect the limiting block 21 through the strip-shaped sliding hole 20 to the horizontal insertion rod 19. Insert the clamping rod 22 into the rolling cylinder 23. Align the symmetrical semi-circular outer shells 01. Pass the positioning insertion rod 04 through the symmetrical outer shell side plate 02. Insert the inner side of the U-shaped clamping plate 26 into the insertion rod side groove 25.

[0021] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A tree trunk whitewashing device, characterized in that: The system includes a semi-circular outer shell (01), outer shell side plates (02), positioning rods (04), a rectangular support plate (06), a spiral track (11), a motor (14), a first spiral slide plate (15), a second spiral slide plate (16), a fixing sleeve (18), a clamping rod (22), and a rolling cylinder (23). The semi-circular outer shell (01) has an outer shell side plate (02) on its side. The side of the strip positioning plate (03) is attached to the outer shell side plate (02). The side of the strip positioning plate (03) has multiple positioning rods (04). The semi-circular outer shell (01) is symmetrically arranged, and the symmetrical outer shell side plates (02) are fitted together. The positioning rod (04) passes through the symmetrical outer shell side plates (02). The positioning rod (04) has a rod side groove (25) on both sides. The inner side of the U-shaped plate (26) is adapted to the rod side groove (25). The inner side of the U-shaped plate (26) is inserted into the rod side groove (25). The side of the U-shaped plate (26) is fitted with the outer shell side plate (02). The strip positioning plate (03) and the U-shaped plate (26) are symmetrically arranged on both sides of the semi-circular outer shell (01).

2. The tree trunk whitewashing device according to claim 1, characterized in that: The upper part of the semi-circular shell (01) has an L-shaped mounting plate (09), and the side of the semi-circular shell (01) has a strip-shaped clearance hole (05). The side of the rotating gear column (07) is inserted into the strip-shaped clearance hole (05). The upper part of the rotating gear column (07) is connected to the upper positioning rod (10). The side of the motor (14) is connected to the L-shaped mounting plate (09). The upper positioning rod (10) passes through the L-shaped mounting plate (09). The rotating shaft of the motor (14) is connected to the L-shaped mounting plate (09). The bottom side of the strip-shaped clearance hole (05) has a rectangular support plate (06). The lower surface of the rotating gear column (07) is in contact with the rectangular support plate (06).

3. A tree trunk whitewashing device according to claim 2, characterized in that: The lower part of the rotating gear column (07) is connected to the lower positioning rod (08), which passes through the rectangular support plate (06) and rotates inside the rectangular support plate (06). The semi-circular shell (01) is connected to the spiral track (11), which has a spiral groove (13) inside and a track side clearance groove (12). The rotating gear column (07) is inserted into the track side clearance groove (12). The side of the first spiral slide plate (15) is in contact with the second spiral slide plate (16). The first spiral slide plate (15) and the second spiral slide plate (16) are adapted to the spiral groove (13). The first spiral slide plate (15) and the second spiral slide plate (16) are inserted into the spiral groove (13) and slide inside the spiral groove (13).

4. A tree trunk whitening device according to claim 3, characterized in that: The inner side of the second spiral slide plate (16) has a side rectangular plate (17), the side of the fixed sleeve (18) is connected to the side rectangular plate (17), the side of the clamping rod (22) has a horizontal insertion rod (19), the horizontal insertion rod (19) is adapted to the fixed sleeve (18), the horizontal insertion rod (19) is inserted into the fixed sleeve (18), the horizontal insertion rod (19) slides in the fixed sleeve (18), the upper part of the fixed sleeve (18) has a strip-shaped sliding hole (20), the limiting block (21) is adapted to the strip-shaped sliding hole (20), the limiting block (21) is inserted into the strip-shaped sliding hole (20), the limiting block (21) slides in the strip-shaped sliding hole (20), the lower part of the limiting block (21) is connected to the horizontal insertion rod (19).

5. A tree trunk whitening device according to claim 3, characterized in that: Spring (24) is inserted into fixed sleeve (18). One end of spring (24) abuts against side rectangular plate (17), and the other end of spring (24) abuts against horizontal insert rod (19). The upper and lower ends of clamp rod (22) are inserted into rolling cylinder (23). Roller brush bristles are sleeved on the outside of rolling cylinder (23).

Citation Information

Patent Citations

  • A tree trunk whitening device for landscaping

    CN109433487B