Tree diameter at breast height and height measuring device

Abstract

The utility model belongs to the technical field of surveying, and particularly relates to a tree diameter at breast height and height measuring device which comprises a machine body, a diameter at breast height measuring assembly and a height measuring assembly are installed on the machine body, and a data processing module and a battery module are installed in the machine body. The data processing module is electrically connected with the battery module, the display module, the control button module, the charging interface module, the laser distance measuring sensor and the displacement sensor; according to the utility model, the walking wheel moves for a circle in a manner of fitting the outer contour of the tree, the displacement sensor converts the physical quantity of the displacement of the walking wheel into an electric signal so as to reflect the displacement of the walking wheel, and finally, the diameter at breast height of the tree is quickly and accurately measured through the calculation of the data processing module, so that compared with the prior art, the measurement operation by a single person can be realized; and simplicity and convenience are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying, in particular to a device for measuring the diameter at breast height and height of trees. Background Art

[0002] The diameter at breast height and tree height are the main indicators for measuring standing tree growth, and are also important attributes of forest resource surveys. They are not only the main indicators for calculating forest volume, but also reflect the forest structure and quality in depth. The traditional method of measuring the diameter at breast height of trees is mainly to measure directly with a caliper, diameter tape measure and caliper; the traditional method of measuring tree height is mainly to measure directly with a Brules height gauge. The entire measurement process has high labor costs; manual reading and recording of data is prone to errors and inefficient, which seriously restricts the efficiency and quality of forest resource surveys.

[0003] The existing Chinese patent with the announcement number CN216385472U discloses a measuring device for measuring the breast diameter and height of a tree. A measuring point is provided on the tree. The measuring device for measuring the breast diameter and height of the tree comprises: a body; a breast diameter measuring mechanism, which is arranged on the body and used to measure the breast diameter of the tree; a distance measuring mechanism, which is arranged on the body and includes a measuring piece, which is used to measure the distance from the body to the measuring point; a data processing module, which is arranged in the body and is provided with an inclination sensor on the data processing module, which is used to measure the angle between the line connecting the body and the measuring point and the horizontal plane, and the measuring piece, the inclination sensor and the breast diameter measuring mechanism are all electrically connected to the data processing module.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the device measures by pulling out a pull rope and making the pull rope go around the tree for one circle; however, when the tree's breast diameter is large, it is difficult for one person to complete the measurement operation, and improvement is needed; therefore, a tree breast diameter and height measuring device is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model provides a device for measuring the diameter at breast height and the height of a tree.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a tree breast diameter and height measuring device described in the utility model comprises a machine body, a breast diameter measuring component and a height measuring component are installed on the machine body, a data processing module and a battery module are installed inside the machine body, the data processing module and the battery module, the display module, the control button module, the charging interface module, the laser ranging sensor and the displacement sensor are electrically connected, the display module, the control button module and the charging interface module are installed outside the machine body, the measured data is displayed on the display module after being calculated by the data processing module, the height measuring component comprises a U-shaped protective layer, the protective layer is fixedly installed on the outer wall of the machine body, and the interior of the protective layer is connected to the laser ranging sensor through an axis rotation, a slide groove is provided on the surface of the laser ranging sensor, and a T-shaped movable part is slidably connected inside the slide groove, when measuring the height of the tree, the machine body is placed on the ground, firstly, the distance between the point and the tree is measured by the laser ranging sensor as h1, then the laser ranging sensor is rotated to measure the inclined length with the tree top as h2, and finally the data processing module measures the inclined length with the tree top as h22-h1 according to the Pythagorean theorem. 2 The vertical height h3 between the tree top and the measuring point can be obtained 2 , after square root h3 is the height of the tree. When the operator holds the machine for measurement, the height of the tree is obtained by adding h3 to the height of the machine above the ground when measuring.

[0007] The plug is inserted into the socket by the elastic force of the spring, thereby stably fixing the laser distance sensor inside the protective layer for protection. When it is needed, push the movable part backward to make the plug withdraw from the socket, and then rotate the laser distance sensor for measurement.

[0008] Preferably, a spring is fixedly connected to the side wall of the slide groove, and the other end of the spring is fixedly connected to the movable part.

[0009] Preferably, two sides of the movable member are respectively fixedly connected with insert blocks.

[0010] Preferably, the outer wall of the protective layer is symmetrically fixedly connected with a socket.

[0011] Preferably, support seats are fixedly connected to both sides of the body, which are used to support the body against the ground, and the distance between the end of the support seat away from the body and the body is greater than the distance between the end of the walking wheel away from the body and the body.

[0012] Preferably, a tape measure storage slot and a marker pen storage slot are provided on the surface of the body, and a tape measure and a marker pen are installed inside the tape measure storage slot and the marker pen storage slot respectively. The tape measure and the marker pen can be stored in the tape measure storage slot and the marker pen storage slot. The tape measure can be used to directly measure trees with smaller breast diameters, and the marker pen is used to mark the starting point of the breast diameter measurement.

[0013] Preferably, the surface of the body is hinged with cover plate one and cover plate two at the locations corresponding to the tape measure storage slot and the marker pen storage slot through a torsion spring rotating shaft, and cover plate one and cover plate two are covered on the body to prevent the tape measure and marker pen inside the tape measure storage slot and the marker pen storage slot from falling off.

[0014] Preferably, the breast diameter measurement component includes a mounting groove, which is provided on the side wall of the body, the interior of the mounting groove is rotatably connected to a walking wheel via an axis, a displacement sensor is installed on the axis of the walking wheel, and when measuring the breast diameter of a tree, the walking wheel is moved one circle in close proximity to the outer contour of the tree, and the displacement sensor converts the physical quantity of the displacement of the walking wheel into an electrical signal, thereby reflecting the displacement of the walking wheel, and finally the breast diameter of the tree is measured quickly and accurately through calculation by a data processing module. Compared with the prior art, single-person measurement operation can be realized, which is more simple and convenient.

[0015] Preferably, the breast diameter measurement assembly further comprises a spirit level, which is fixedly mounted on the surface of the machine body. By observing the spirit level, it can be determined whether the walking path of the walking wheel is deviated.

[0016] The utility model is beneficial in that:

[0017] 1. The utility model provides protection by stably fixing the laser distance measuring sensor inside the protective layer. When it is needed, the movable part can be pushed backward to rotate the laser distance measuring sensor to measure the height of the tree.

[0018] 2. The utility model moves the running wheel in a circle to fit the outer contour of the tree, and the displacement sensor converts the physical quantity of the running wheel displacement into an electrical signal, thereby reflecting the displacement of the running wheel. Finally, through the calculation of the data processing module, the tree's breast diameter is measured quickly and accurately. Compared with the existing technology, single-person measurement operation can be realized, which is more simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the machine body of the utility model;

[0022] Figure 3This is a schematic diagram of the structure of the height measurement component of the utility model;

[0023] Figure 4 For this utility model Figure 3 A structural diagram of ;

[0024] Figure 5 This is a schematic diagram of the structure of the breast diameter measurement component of the utility model.

[0025] In the figure: 1. Machine body; 2. DBH measurement assembly; 21. Mounting slot; 22. Travel wheel; 23. Level; 3. Height measurement assembly; 31. Protective layer; 32. Laser ranging sensor; 33. Slide; 34. Movable part; 35. Spring; 36. Insert; 37. Socket; 4. Tape measure storage slot; 5. Marker pen storage slot; 6. Cover plate 1; 7. Cover plate 2; 8. Support seat. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1-4 As shown, a tree breast diameter and height measuring device comprises a body 1, on which a breast diameter measuring component 2 and a height measuring component 3 are installed, a data processing module and a battery module are installed inside the body 1, the data processing module and the battery module, the display module, the control button module, the charging interface module, the laser distance sensor 32 and the displacement sensor are electrically connected, the display module, the control button module and the charging interface module are installed outside the body 1, the measured data is displayed on the display module after being calculated by the data processing module, the height measuring component 3 comprises a U-shaped protective layer 31, the protective layer 31 is fixedly mounted on the outer wall of the body 1, and the interior of the protective layer 31 is connected to the laser distance sensor 32 through an axis rotation, a slide groove 33 is provided on the surface of the laser distance sensor 32, and a T-shaped movable part 34 is slidably connected inside the slide groove 33, when measuring the height of a tree, the body 1 is placed on the ground, firstly, the distance between the point and the tree is measured by the laser distance sensor 32 as h1, then the laser distance sensor 32 is rotated to measure the inclined length with the tree top as h2, and finally the data processing module measures the distance between the point and the tree top according to the Pythagorean theorem h22-h1 2 The vertical height h3 between the tree top and the measuring point can be obtained 2, after square root h3 is the height of the tree, and when the operator holds the machine body 1 for measurement, h3 plus the height of the machine body 1 above the ground when measuring is the height of the tree.

[0029] The plug block 36 is inserted into the socket 37 by the elastic force of the spring 35, thereby stably fixing the laser ranging sensor 32 inside the protective layer 31 for protection. When it is needed, the movable part 34 is pushed backward to make the plug block 36 withdraw from the socket 37, and the laser ranging sensor 32 can be rotated for measurement.

[0030] A spring 35 is fixedly connected to the side wall of the sliding groove 33 , and the other end of the spring 35 is fixedly connected to the movable member 34 .

[0031] Insertion blocks 36 are fixedly connected to both sides of the movable member 34 .

[0032] The outer wall of the protective layer 31 is symmetrically fixedly connected with a socket 37 .

[0033] Support bases 8 are fixedly connected to both sides of the body 1, and are used to support the body 1 against the ground. The distance between the end of the support base 8 away from the body 1 and the body 1 is greater than the distance between the end of the walking wheel 22 away from the body 1 and the body 1.

[0034] Embodiment 2

[0035] For comparison with Example 1, please refer to Figure 5 As shown, the utility model provides another embodiment, a tape measure storage slot 4 and a marker pen storage slot 5 are provided on the surface of the body 1, and a tape measure and a marker pen are installed inside the tape measure storage slot 4 and the marker pen storage slot 5 respectively. The tape measure and the marker pen can be stored in the tape measure storage slot 4 and the marker pen storage slot 5, the tape measure can be used to directly measure trees with a smaller breast diameter, and the marker pen is used to mark the starting point of the breast diameter measurement.

[0036] The surface of the body 1 is hinged with a cover plate 1 6 and a cover plate 2 7 at the positions corresponding to the tape measure storage slot 4 and the marker pen storage slot 5 through a torsion spring rotating shaft. The cover plate 1 6 and the cover plate 2 7 are covered on the body 1 to prevent the tape measure and the marker pen inside the tape measure storage slot 4 and the marker pen storage slot 5 from falling off.

[0037] The diameter-at-breast-length measuring assembly 2 includes a mounting groove 21, which is provided on the side wall of the body 1. The interior of the mounting groove 21 is connected to a running wheel 22 through an axial rotation. A displacement sensor is installed on the shaft of the running wheel 22. When measuring the tree's diameter at breast height, the running wheel 22 is moved one circle in conformity with the outer contour of the tree. The displacement sensor converts the physical quantity of the displacement of the running wheel 22 into an electrical signal, thereby reflecting the displacement of the running wheel 22. Finally, the tree's diameter at breast height is measured quickly and accurately through calculation by a data processing module. Compared with the prior art, single-person measurement operation can be realized, which is more concise and convenient.

[0038] The diameter-at-breast-chest measurement assembly 2 further includes a level 23 , which is fixedly mounted on the surface of the machine body 1 . By observing the level 23 , it can be determined whether the walking path of the walking wheel 22 is deflected.

[0039] Working principle: When measuring the height of a tree, the machine body 1 is placed on the ground. First, the laser distance sensor 32 is used to measure the distance between the point and the tree as h1. Then, the laser distance sensor 32 is rotated to measure the inclined length with the top of the tree as h2. Finally, the data processing module calculates the distance between the point and the tree as h22-h1 according to the Pythagorean theorem. 2 The vertical height h3 between the tree top and the measuring point can be obtained 2 , after square root h3 is the height of the tree, and when the operator holds the machine body 1 for measurement, h3 plus the height of the machine body 1 above the ground when measuring is the height of the tree.

[0040] The plug block 36 is inserted into the socket 37 by the elastic force of the spring 35, thereby stably fixing the laser ranging sensor 32 inside the protective layer 31 for protection. When it is needed, the movable part 34 is pushed backward to make the plug block 36 withdraw from the socket 37, and the laser ranging sensor 32 can be rotated for measurement.

[0041] When measuring the tree's diameter at breast height, the walking wheel 22 is moved one circle in line with the outer contour of the tree. The displacement sensor converts the physical quantity of the displacement of the walking wheel 22 into an electrical signal, thereby reflecting the displacement of the walking wheel 22. Finally, the data processing module calculates and measures the tree's diameter at breast height quickly and accurately, which can be achieved by a single person, making it simpler and more convenient.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for measuring the diameter at breast height and height of a tree, comprising a body (1), characterized in that: The body (1) is provided with a breast diameter measurement component (2) and a height measurement component (3); a data processing module and a battery module are installed inside the body (1); a display module, a control button module and a charging interface module are installed outside the body (1); the height measurement component (3) comprises a U-shaped protective layer (31); the protective layer (31) is fixedly mounted on the outer wall of the body (1); a laser distance measuring sensor (32) is rotatably connected to the inside of the protective layer (31) via an axis; a slide groove (33) is provided on the surface of the laser distance measuring sensor (32); a T-shaped movable part (34) is slidably connected to the inside of the slide groove (33).

2. The tree diameter at breast height and height measuring device according to claim 1, characterized in that: A spring (35) is fixedly connected to the side wall of the slide groove (33), and the other end of the spring (35) is fixedly connected to the movable member (34).

3. The tree diameter at breast height and height measuring device according to claim 1, characterized in that: Insertion blocks (36) are respectively fixedly connected to both sides of the movable member (34).

4. The tree diameter at breast height and height measuring device according to claim 1, characterized in that: The outer wall of the protective layer (31) is symmetrically fixedly connected with a socket (37).

5. The tree diameter at breast height and height measuring device according to claim 1, characterized in that: Support seats (8) are fixedly connected to both sides of the machine body (1).

6. The tree breast diameter and height measuring device according to claim 1, characterized in that: The surface of the machine body (1) is provided with a tape measure storage slot (4) and a marker pen storage slot (5), and a tape measure and a marker pen are installed inside the tape measure storage slot (4) and the marker pen storage slot (5), respectively.

7. The tree diameter at breast height and height measuring device according to claim 6, characterized in that: A cover plate 1 (6) and a cover plate 2 (7) are respectively hingedly connected via a torsion spring rotating shaft at locations corresponding to the tape measure storage slot (4) and the marker pen storage slot (5) on the surface of the body (1).

8. The tree diameter at breast height and height measuring device according to claim 1, characterized in that: The breast diameter measurement assembly (2) comprises a mounting groove (21), wherein the mounting groove (21) is provided on a side wall of the machine body (1), wherein a running wheel (22) is rotatably connected to the inside of the mounting groove (21) via an axis, and a displacement sensor is mounted on the axis of the running wheel (22).

9. The tree breast diameter and height measuring device according to claim 8, characterized in that: The breast diameter measurement assembly (2) further comprises a level (23), wherein the level (23) is fixedly mounted on the surface of the machine body (1).

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