A novel tree diameter at breast height (DBH) measuring device

Abstract

This utility model discloses a novel tree diameter at breast height (DBH) measuring device, comprising a first arc-shaped clamping rod and a second arc-shaped clamping rod. One end of the first arc-shaped clamping rod is a first measuring head, and the other end is a first grip handle. One end of the second arc-shaped clamping rod is a second measuring head, and the other end is a second grip handle. The first and second arc-shaped clamping rods are hinged together by a hinge structure. An elastic contact head is provided on one side of both the first and second measuring heads. A locking component is provided on the hinge structure. This utility model offers high measurement efficiency, accurate measurement results, and simple operation.

Description

Technical Field

[0001] This utility model relates to the field of tree measurement technology, and in particular to a novel tree diameter at breast height (DBH) measuring device. Background Technology

[0002] Tree diameter at breast height (DBH) measurement is a crucial step in forestry resource surveys, ecological monitoring, and landscape management. Traditional methods rely on manual measurement using measuring tapes or calipers. While these tools have been widely used in practice, their low efficiency and susceptibility to human error have become increasingly apparent with the growing demand for information-based and precision-based forestry measurements. In recent years, technological advancements have led to the gradual introduction of electronic measuring equipment into the forestry field. By integrating sensors and computing modules, these devices have enabled partially automated measurement functions, offering new possibilities for improving measurement accuracy and efficiency.

[0003] In existing technologies, the following methods are commonly used to solve the problem of measuring tree diameter at breast height (DBH): one is traditional mechanical measuring tools, such as tape measures or calipers, which are used to directly measure the diameter by manually wrapping around the tree; another is a measuring device based on a fixed clamping structure, which reads the size data after clamping the tree in place; and yet another is an electronic measuring device that uses sensors and calculation algorithms to indirectly calculate the DBH by detecting the surface features of the tree or the clamping angle.

[0004] The aforementioned existing technologies generally suffer from problems such as complex operation, poor adaptability, or high cost, especially in balancing measurement accuracy and convenience. For example, traditional mechanical tools are easily affected by human error, while electronic devices may lead to inaccurate measurement results due to complex structures or insufficient environmental adaptability. Therefore, designing a measuring device that can effectively eliminate human error, achieve high measurement efficiency, and is easy to operate has become an urgent technical problem to be solved. Utility Model Content

[0005] This application provides a novel tree diameter at breast height (DBH) measuring device, which has high measurement efficiency, accurate measurement results, and is easy to operate.

[0006] This application provides a novel tree diameter at breast height (DBH) measuring device, which adopts the following technical solution:

[0007] A novel tree diameter at breast height (DBH) measuring device includes a first arc-shaped clamping rod and a second arc-shaped clamping rod. One end of the first arc-shaped clamping rod is a first measuring head, and the other end is a first grip handle. One end of the second arc-shaped clamping rod is a second measuring head, and the other end is a second grip handle. The first and second arc-shaped clamping rods are hinged together by a hinge structure. One side of the first and second measuring heads is provided with an elastic contact head, and a locking component is provided on the hinge structure.

[0008] By adopting the above technical solution, this utility model designs a novel tree diameter-at-breast (DBH) measuring device. During use, the first and second arc-shaped clamping rods facilitate a circumferential measurement operation on the tree. The first and second measuring heads are used to specifically measure the DBH of the tree. The first and second grip handles allow the user to hold the device comfortably. The hinged structure allows the two arc-shaped clamping rods to rotate relative to each other, adapting to trees of different thicknesses. The elastic contact head ensures good contact with the tree surface and provides a buffering effect. The locking component can fix the relative position of the two arc-shaped clamping rods, facilitating stable measurement.

[0009] Preferably, the hinge structure includes a hinge shaft and a bearing, the hinge shaft passing through the bearing to achieve relative rotation of the two arc-shaped clamping rods.

[0010] By adopting the above technical solution, the hinge structure includes a hinge shaft and a bearing during use. The hinge shaft passes through the bearing to realize the relative rotation of the two arc-shaped clamping rods, thereby ensuring a stable connection and flexible rotation between the clamping rods, reducing frictional resistance, and improving the smoothness of operation during the measurement process.

[0011] Preferably, the elastic contact head forms a three-point positioning structure with the first measuring head and the second measuring head.

[0012] By adopting the above technical solution, the elastic contact head works in conjunction with the first and second measuring heads during use to ensure that the measuring device maintains accurate positioning when in contact with the tree surface, avoiding errors caused by improper human operation in traditional measurement methods and improving the reliability of measurement results.

[0013] Preferably, both the first measuring head and the second measuring head are provided with anti-slip contact surfaces.

[0014] By adopting the above technical solution, the anti-slip contact surface can increase the friction between the measuring head and the tree surface during use, effectively preventing the measuring device from sliding or shifting during the measurement process, thereby improving the stability of the measurement.

[0015] Preferably, the locking assembly includes a hexagonal block at the top of the hinge shaft, the hinge shaft and the hexagonal block are fixedly connected to each other, the surface of the first arc-shaped clamping rod is provided with a plurality of limiting holes, a limiting block is provided on one side of the limiting hole, a groove with the same shape as the hexagonal block is provided in the limiting block, and a plurality of limiting rods are provided at its end, the limiting rods being inserted into the limiting holes.

[0016] By adopting the above technical solution, during use, the hexagonal block at the top of the hinge shaft in the locking assembly matches the groove with the inner shape of the limiting block, and the limiting rod is inserted into the limiting hole, which can lock the relative position of the two arc-shaped clamping rods, ensuring the stability of the device during measurement and improving the measurement accuracy. At the same time, it is convenient to remove the locking port from the device to align with the scale for measurement.

[0017] Preferably, the first arc-shaped clamping rod is provided with a through hole for connecting a suspension rope, which is used for positioning and measuring trees at different heights.

[0018] By adopting the above technical solution, the measurement position can be flexibly adjusted using the suspension rope during use, enabling effective measurement of the diameter at breast height of trees at different heights, thus broadening the applicability of the device.

[0019] Preferably, the suspension rope of the first arc-shaped clamping rod is marked with a maximum length of 1.3 meters and a mark length of 0.1 meters, for measuring different types of trees.

[0020] By adopting the above technical solution, the suspension rope on the first arc-shaped clamping rod can be measured at different heights during use, namely 1.3 meters and 0.1 meters.

[0021] Preferably, a solid block is attached to the end of the suspension rope away from the first arc-shaped clamping rod, and the solid block uses its own weight to keep the suspension rope vertical.

[0022] When in use, the solid block tied to one end of the suspension rope uses its own weight to keep the rope vertical, which helps to improve the accuracy of measuring the diameter at breast height of trees at different heights.

[0023] In summary, this application has the following beneficial effects:

[0024] 1. The present invention provides a novel tree diameter at breast height (DBH) measuring device. Through the design of a hinged structure with a first arc-shaped clamping rod and a second arc-shaped clamping rod, it can adapt to the measurement of trees with different DBH sizes, significantly improving the adaptability and versatility of the device.

[0025] 2. The present invention provides a novel tree diameter at breast height (DBH) measuring device, in which the elastic contact head and the measuring head form a three-point positioning structure, effectively eliminating the offset error of manual circumferential measurement and significantly improving the measurement accuracy;

[0026] 3. The present invention provides a novel tree diameter at breast height (DBH) measuring device, which features a locking component on its hinged structure to fix the measurement state, further ensuring measurement accuracy and avoiding significant impact of human operation on the measurement results. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0028] Figure 2 This is a cross-sectional view of an embodiment;

[0029] Figure 3 This is an enlarged schematic diagram showing the locking component in the embodiment;

[0030] Explanation of reference numerals in the attached drawings: 1. First arc-shaped clamping rod; 11. First measuring head; 12. First grip handle; 2. Second arc-shaped clamping rod; 21. Second measuring head; 22. Second grip handle; 3. Hinge structure; 31. Hinge shaft; 4. Elastic contact head; 5. Locking assembly; 51. Limiting hole; 52. Limiting block; 53. Limiting rod; 6. Hexagonal block; 7. Through hole; 8. Suspension rope; 9. Solid block; 10. Embedded slot. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0032] This utility model discloses a novel device for measuring the diameter at breast height (DBH) of trees, such as... Figures 1 to 3 As shown, the device includes a first arc-shaped clamping rod 1 and a second arc-shaped clamping rod 2. One end of the first arc-shaped clamping rod 1 is a first measuring head 11, and the other end is a first gripping handle 12. One end of the second arc-shaped clamping rod 2 is a second measuring head 21, and the other end is a second gripping handle 22. The first arc-shaped clamping rod 1 and the second arc-shaped clamping rod 2 are hinged together by a hinge structure 3, which includes a hinge shaft 31 and a bearing. The hinge shaft 31 is usually a solid metal shaft with a smooth surface to reduce friction with the bearing. The bearing is generally a rolling bearing, which allows the hinge shaft 31 to rotate smoothly. The hinge shaft 31 passes through the bearing, enabling the relative rotation of the first arc-shaped clamping rod 1 and the second arc-shaped clamping rod 2. When it is necessary to adjust the angle between the two arc-shaped clamping rods, the operator only needs to apply a certain external force, and the two arc-shaped clamping rods will rotate around the hinge shaft 31. This connection method is simple and reliable, and can ensure the flexibility and stability of rotation.

[0033] One side of the first measuring head 11 and the second measuring head 21 is provided with an elastic contact head 4. The spring contact head generally consists of a metal spring and a contact head. The spring provides elastic force, and the contact head is usually made of wear-resistant plastic. The elastic contact head 4, together with the first measuring head 11 and the second measuring head 21, forms a three-point positioning structure. During measurement, all three points simultaneously contact the tree trunk, enabling a more accurate determination of the trunk's center position and improving measurement precision. For example, when measuring irregularly shaped tree trunks, the three-point positioning structure can effectively avoid measurement errors caused by uneven tree trunk surfaces.

[0034] Both the first measuring head 11 and the second measuring head 21 are provided with anti-slip contact surfaces. These anti-slip contact surfaces can be rough, frosted surfaces. The frosted surface increases friction with the tree trunk surface, preventing the measuring device from slipping during measurement. The presence of these anti-slip contact surfaces ensures measurement stability, making the measurement results more accurate and reliable.

[0035] A locking component 5 is provided on the hinge structure 3. The locking component 5 includes a hexagonal block 6 at the top of the hinge shaft 31, and the hinge shaft 31 and the hexagonal block 6 are fixedly connected to each other. The hexagonal block 6 is usually integrally formed with the hinge shaft 31 by casting, and its material can be the same as that of the hinge shaft 31. The surface of the first arc-shaped clamping rod 1 is provided with multiple limiting holes 51. The limiting holes 51 are generally circular in shape, and their inner diameter matches the outer diameter of the limiting rod 53. A limiting block 52 is provided on one side of the limiting hole 51. The limiting block 52 has a groove with the same shape as the hexagonal block 6, and its end is provided with multiple limiting rods 53. When it is necessary to lock the position of the two arc-shaped clamping rods, the groove of the limiting block 52 is aligned with the hexagonal block 6, and then the limiting rods 53 are inserted into the limiting hole 51. This fixes the hinge shaft 31, thereby locking the relative position of the two arc-shaped clamping rods.

[0036] The first arc-shaped clamping rod 1 has a through hole 7 for connecting the suspension rope 8. The suspension rope 8 can be a nylon rope. Nylon rope is lightweight and flexible, making it suitable for use in general environments. By connecting the suspension rope 8, trees of different heights can be positioned and measured. For example, for taller trees, the measuring device can be accurately placed at the tree's diameter at breast height (DBH) by adjusting the length and position of the suspension rope 8.

[0037] The suspension rope 8 is marked with markers. The fully extended length of the rope 8 is 1.3 meters, and the marker length is 0.1 meters, for measuring different types of trees. The 1.3-meter rope 8 can be used to measure trees with a standard diameter at breast height (DBH) (1.3 meters above the ground), while the 0.1-meter rope can be used to measure shorter trees or trees requiring special measurement positions. This rope 8 configuration expands the applicability of the measuring device.

[0038] A solid block 9 is attached to the end of the suspension rope 8 away from the first arc-shaped clamping rod 1. The solid block 9 uses its own weight to keep the suspension rope 8 vertical. The solid block 9 can be a metal block, such as an iron block, or a stone block, as long as it has sufficient weight to keep the suspension rope 8 vertical. Meanwhile, an embedded slot 10 is provided on the first arc-shaped clamping rod 1, which allows the solid block 9 to be inserted when not in use.

[0039] Note: The dimensions in the accompanying drawings of this embodiment are subject to actual dimensions. The drawings are only for intuitive understanding of the structure.

[0040] Working Principle: The intelligent tree diameter at breast height (DBH) measuring device in this embodiment achieves flexible angle adjustment through the hinge structure 3 of the first arc-shaped clamping rod 1 and the second arc-shaped clamping rod 2, adapting to the measurement of trees with different diameters. The three-point positioning structure formed by the elastic contact head 4, the first measuring head 11, and the second measuring head 21 improves the accuracy of the measurement, while the anti-slip contact surface ensures the stability of the measurement process. The locking component 5 can lock the adjusted position to prevent changes during the measurement process. Simultaneously, the suspension ropes 8 of different lengths allow the measuring device to perform positioning measurements on trees of different heights, greatly expanding its applicability. Compared to traditional measuring tools, this device is easy to operate, less affected by human and environmental factors, and can measure tree DBH more accurately, providing more reliable data support for forestry work.

[0041] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A new tree breast height measuring device characterized by: It includes a first arc-shaped clamping rod (1) and a second arc-shaped clamping rod (2). One end of the first arc-shaped clamping rod (1) is a first measuring head (11) and the other end is a first gripping handle (12). One end of the second arc-shaped clamping rod (2) is a second measuring head (21) and the other end is a second gripping handle (22). The first arc-shaped clamping rod (1) and the second arc-shaped clamping rod (2) are hinged together by a hinge structure (3). One side of the first measuring head (11) and the second measuring head (21) is provided with an elastic contact head (4). A locking component (5) is provided on the hinge structure (3).

2. A new tree diameter measuring device according to claim 1, characterized by: The hinge structure (3) includes a hinge shaft (31) and a bearing, the hinge shaft (31) passing through the bearing to achieve relative rotation of the two arc-shaped clamping rods.

3. The novel tree diameter measuring device according to claim 1, characterized in that: The elastic contact head (4) forms a three-point positioning structure with the first measuring head (11) and the second measuring head (21).

4. The novel tree diameter at breast height (DBH) measuring device according to claim 1, characterized in that: Both the first measuring head (11) and the second measuring head (21) are provided with anti-slip contact surfaces.

5. A novel tree diameter at breast height (DBH) measuring device according to claim 1, characterized in that: The locking assembly (5) includes a hexagonal block (6) at the top of the hinge shaft (31), the hinge shaft (31) and the hexagonal block (6) are fixedly connected to each other, the surface of the first arc-shaped clamping rod (1) is provided with a plurality of limiting holes (51), a limiting block (52) is provided on one side of the limiting hole (51), the limiting block (52) is provided with a groove with the same shape as the hexagonal block (6), and a plurality of limiting rods (53) are provided at its end, the limiting rods (53) are inserted into the limiting hole (51).

6. A novel tree diameter at breast height (DBH) measuring device according to claim 5, characterized in that: The first arc-shaped clamping rod (1) is provided with a through hole (7), which is used to connect a suspension rope (8), and the suspension rope (8) is used to position and measure trees of different heights.

7. A novel tree diameter at breast height (DBH) measuring device according to claim 5, characterized in that: The first arc-shaped clamping rod has a hanging rope (8) with a mark. The maximum length of the hanging rope is 1.3 meters, and the length of the mark is 0.1 meters. The marks are used to measure different trees.

8. A novel tree diameter at breast height (DBH) measuring device according to claim 6, characterized in that: A solid block (9) is tied to the end of the suspension rope (8) away from the first arc-shaped clamping rod (1), and the solid block (9) uses its own weight to keep the suspension rope (8) vertical.

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