Portable forestry investigation equipment

By designing a portable forestry survey device that combines a small laser rangefinder and a folding mechanism, the problem of cumbersome trunk diameter measurement in existing technologies has been solved. This enables rapid and accurate trunk diameter measurement and simplifies operation, improving the device's practicality and portability.

CN223636778UActive Publication Date: 2025-12-05HUNAN JINGHUI AGRI & FORESTRY ECOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202520296999.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-05
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing forestry survey equipment requires manual calculation when measuring tree trunk diameter, and the measurement location is cumbersome, making it impossible to achieve fast and accurate diameter measurement.

Method used

A portable forestry survey device was designed, which adopts an integrated measuring mechanism, combining a small laser rangefinder and a folding mechanism, to directly measure the trunk diameter. The measurement accuracy is improved by using a ruler and a bubble level, and the calculation steps are simplified.

Benefits of technology

It enables rapid and accurate measurement of tree trunk diameter and height, simplifies the operation process, reduces the space occupied by the equipment, and improves portability and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of forestry investigation, and discloses portable forestry investigation equipment which comprises a shell and a measuring mechanism. According to the portable forestry investigation equipment, the measuring position can be found more accurately through the arranged measuring mechanism, the diameter of a tree trunk can be measured more visually, the subsequent calculation step is omitted, the equipment is more practical, the distance between the equipment and the ground can be measured by starting a small laser range finder during positioning, and the measurement accuracy is improved. The measuring position can be found more quickly, then the position of the first measuring block can be adjusted by rotating the knob, the first measuring block moves towards the second measuring block, then the first positioning arm and the second positioning arm are clamped outside a tree trunk, and then the numerical value of the graduated scale can be read according to the position of the first measuring block. The diameter and the height of the trunk can be rapidly and accurately measured, and meanwhile, the folding mechanism is arranged in a matched mode.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of forestry investigation, in particular to a portable forestry investigation equipment. BACKGROUND

[0002] The forestry investigation involves many aspects, including investigation of tree species in the arbor layer, shrub layer and herb layer, measurement of tree height, diameter at breast height and thickness, biomass investigation and tree trunk analysis, etc. When the thickness of the trees is measured, the investigator needs to manually measure the diameter of the tree trunk at 1.3 m from the ground by using a tape measure. The tape measure needs to be manually pulled out, and then one end of the tape measure is positioned, and then the tape measure is wound around the tree trunk, so that the two ends of the tape measure are overlapped, thereby measuring the thickness of the tree.

[0003] The existing patent (publication number: CN221593888U) discloses a portable forestry investigation equipment, which comprises a mounting block, a first arc-shaped plate rotatably connected to one side of the mounting block, a first recess being formed in one end of the first arc-shaped plate, a second arc-shaped plate rotatably connected to the other side of the mounting block, a second recess being formed in one end of the second arc-shaped plate, a rotating rod, a torsional spring, a measuring tape and a rotating shaft. The portable forestry investigation equipment can measure the thickness of the tree trunk by unfolding one end of the first arc-shaped plate and the second arc-shaped plate, wrapping the tree trunk on the inner side of the first arc-shaped plate and the second arc-shaped plate, and placing the measuring tape on the outer side of the tree trunk. The operation is convenient and efficient, and the work efficiency is improved.

[0004] The device in the above-mentioned comparative document can measure the thickness of the tree trunk, but the measured result still needs to be further calculated to obtain the diameter of the tree trunk. In addition, the device still needs to use a tape measure to determine the measurement position during measurement, and the process is relatively complicated. In order to solve the above-mentioned problems, a portable forestry investigation equipment is provided. CONTENT OF THE INVENTION

[0005] In view of the deficiencies of the prior art, the application provides a portable forestry investigation equipment, which can directly measure the diameter of the tree trunk through integrated design, and can also more accurately and conveniently find the measurement position, and is more practical.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a portable forestry investigation equipment, comprising a shell and a measuring mechanism, the measuring mechanism comprises a lead screw rotatably sleeved on the inner wall of the shell, the outer surface of the lead screw is threadedly connected with an adjusting block, one side surface of the shell is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a first measuring block, one side surface of the first measuring block is fixedly connected with one side surface of the adjusting block, the outer surface of the shell is fixedly connected with a second measuring block, the inside of the first measuring block and the second measuring block is provided with a folding mechanism, the outer surface of the shell is inlaid with a scale and a bubble level, the positions of the first measuring block and the second measuring block correspond to the position of the scale, and the outer surface of the shell is fixedly connected with a small laser range finder.

[0007] Through the above scheme, the measuring mechanism can be more accurate to find the measurement position, and the diameter of the tree trunk can be more intuitively measured, and the subsequent calculation step is omitted, which is more practical. When positioning, the distance between the device and the ground can be measured by starting the small laser range finder, so that the measurement position can be found more quickly. Then the position of the first measuring block can be adjusted by rotating the knob, so that the first measuring block moves towards the second measuring block. Then the value of the scale can be read according to the position of the first measuring block, and the diameter of the tree trunk can be obtained. The rapid and accurate measurement of the diameter and height of the tree trunk is realized. At the same time, the folding mechanism is provided, so that the device has the effect of folding and storing, reduces the space area occupied by the device, and is convenient to carry.

[0008] Further, the inner wall of the shell is fixedly connected with four guide columns, and the four corners of the adjusting block are respectively slidably sleeved on the outer surfaces of the four guide columns.

[0009] Through the above scheme, the guide column can limit the movement track of the adjusting block, so that the adjusting block can stably translate in the shell.

[0010] Further, the top end of the small laser range finder is provided with an external port, and the shaft end of the lead screw is fixedly connected with a knob.

[0011] Through the above scheme, the external port can be regularly charged to the small laser range finder, and the knob can be conveniently rotated to rotate the lead screw.

[0012] Further, the folding mechanism comprises a second positioning arm and a first positioning arm, the second positioning arm is rotatably sleeved in the inner wall of the second measuring block, and the first positioning arm is rotatably sleeved in the inner wall of the first measuring block.

[0013] Through the above scheme, the first measuring block can rotate in the first positioning arm, and the second measuring block can rotate in the second positioning arm.

[0014] Further, the rotating end of the second positioning arm and the first positioning arm is provided with two limiting holes, and the side surface of the second positioning arm and the first positioning arm close to each other is fixedly connected with a wear-resistant plate.

[0015] Through the above scheme, the position of the second positioning arm or the first positioning arm can be adjusted and limited through the limiting hole, and the wear probability of the surface of the second positioning arm and the first positioning arm can be reduced through the wear-resistant plate, thereby prolonging the service life.

[0016] Further, the inner wall of the first measuring block and the second measuring block is slidably sleeved with two limiting rods, the diameter value of the limiting rod corresponds to the diameter value of the limiting hole, the outer surface of each limiting rod is fixedly connected with a connecting piece, and the outer surface of each connecting piece is fixedly connected with a push rod.

[0017] Through the above scheme, the limiting rod can be inserted into the limiting hole, thereby limiting the position of the second positioning arm or the first positioning arm, facilitating the folding and unfolding of the second positioning arm and the first positioning arm, and the contact area of the outer surface of the connecting piece can be increased through the push rod, thereby facilitating the movement of the connecting piece.

[0018] Further, the outer surface of each limiting rod is sleeved with a telescopic spring, one end of each telescopic spring is fixedly connected with the outer surface of the corresponding connecting piece, and the other end of the four telescopic springs is fixedly connected with the outer surface of the first measuring block and the second measuring block.

[0019] Through the above scheme, the position of the limiting rod can be limited through the telescopic spring, the telescopic spring will be deformed and generate elastic force when being stretched, and therefore the limiting rod can be reset by the elastic force of the telescopic spring.

[0020] Further, the outer surface of the shell is fixedly connected with two storage boxes, the side surface close to each other of the two storage boxes is respectively fixedly connected with a letter sticker A and a letter sticker B, the letter sticker A and the letter sticker B are matched, and the bottom of the shell is inlaid with two hand placing grooves, and the two hand placing grooves are located in the interior of the shell.

[0021] Through the above scheme, some tools for forestry investigation can be stored through the storage box, thereby improving the practicability of the device, the letter sticker A and the letter sticker B can provide protection for the small laser range finder, and the user can also carry the device by holding the letter sticker A and the letter sticker B, thereby optimizing the portability of the device, and the user can insert the hand into the hand placing groove to adjust the position of the device, thereby facilitating the operation in the measurement process.

[0022] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0023] The portable forestry investigation equipment can find the measurement position more accurately through the measurement mechanism, and can more intuitively measure the diameter of the tree trunk, and the subsequent calculation step is omitted, and it is more practical. When positioning, the distance between the device and the ground can be measured by starting the small laser range finder, and the measurement position can be found more quickly. Then the knob can be rotated to adjust the position of the first measurement block, so that the first measurement block moves towards the second measurement block, and then the first positioning arm and the second positioning arm are clamped outside the tree trunk. Then the value of the scale can be read according to the position of the first measurement block, and the diameter of the tree trunk can be obtained, so that the diameter and height of the tree trunk can be measured quickly and accurately. At the same time, the folding mechanism is arranged, so that the second positioning arm and the first positioning arm can be folded and stored when not in use, so as to reduce the space area occupied by the device and facilitate carrying. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a top view structure schematic diagram of the overall unfolded state of the structure of the application;

[0025] Figure 2 It is a bottom view structure schematic diagram of the overall folded state of the structure of the application;

[0026] Figure 3 It is a first partial sectional view structure schematic diagram of the structure of the application;

[0027] Figure 4 It is a second partial sectional view structure schematic diagram of the structure of the application;

[0028] Figure 5 It is a partial structure schematic diagram of the structure of the application.

[0029] In the drawings:

[0030] 1, shell; 2, measurement mechanism; 201, lead screw; 202, adjusting block; 203, guide column; 204, sliding groove; 205, first measurement block; 206, second measurement block; 207, scale; 208, small laser range finder; 209, external port; 210, bubble level; 211, knob; 3, folding mechanism; 301, second positioning arm; 302, first positioning arm; 303, limiting hole; 304, wear plate; 305, limiting rod; 306, connecting piece; 307, extension spring; 308, lever; 4, storage box; 5, letter sticker A; 6, letter sticker B; 7, hand slot. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 3 and Figure 4 , the portable forestry investigation equipment in the embodiment comprises a shell 1 and a measuring mechanism 2, the measuring mechanism 2 comprises a lead screw 201 rotatably sleeved on the inner wall of the shell 1, the rotating shaft end of the lead screw 201 is fixedly connected with a knob 211, the lead screw 201 can be conveniently rotated through the knob 211, the outer surface of the lead screw 201 is threadedly connected with an adjusting block 202, the inner wall of the shell 1 is fixedly connected with four guide columns 203, the four corners of the adjusting block 202 are respectively slidably sleeved on the outer surfaces of the four guide columns 203, the movement track of the adjusting block 202 can be limited through the guide columns 203, so that the adjusting block 202 can stably translate in the interior of the shell 1, a sliding groove 204 is formed in one side surface of the shell 1, a first measuring block 205 is slidably connected to the inner wall of the sliding groove 204, one side surface of the first measuring block 205 is fixedly connected to one side surface of the adjusting block 202, a second measuring block 206 is fixedly connected to the outer surface of the shell 1, when the lead screw 201 rotates, the adjusting block 202 can move along the guide columns 203, and the first measuring block 205 can also be driven to move along the sliding groove 204, so that the position of the first measuring block 205 can be conveniently adjusted, thereby the diameter values of different trees can be measured.

[0033] Please refer to Figure 1 , Figure 3 and Figure 5 , the interior of the first measuring block 205 and the second measuring block 206 is provided with a folding mechanism 3, the folding mechanism 3 comprises a second positioning arm 301 and a first positioning arm 302, the second positioning arm 301 is rotatably sleeved in the inner wall of the second measuring block 206, the first positioning arm 302 is rotatably sleeved in the inner wall of the first measuring block 205, the first measuring block 205 can rotate in the first positioning arm 302, the second measuring block 206 can rotate in the second positioning arm 301, two limiting holes 303 are formed in the rotating ends of the second positioning arm 301 and the first positioning arm 302, wear-resistant plates 304 are fixedly connected to the sides of the second positioning arm 301 and the first positioning arm 302 which are close to each other, the positions of the second positioning arm 301 and the first positioning arm 302 can be conveniently adjusted and limited through the limiting holes 303, the wear-resistant plates 304 can reduce the probability of surface wear of the second positioning arm 301 and the first positioning arm 302, thereby prolonging the service life.

[0034] Please refer to Figure 1 , Figure 3 and Figure 5 , the inner wall of the first measuring block 205 and the second measuring block 206 is slidably sleeved with two limiting rods 305, the diameter value of the limiting rod 305 corresponds to the diameter value of the limiting hole 303, the outer surface of each limiting rod 305 is fixedly connected with a connecting piece 306, the outer surface of each connecting piece 306 is fixedly connected with a pull rod 308, the limiting rod 305 can be inserted into the limiting hole 303, thereby the position of the second positioning arm 301 or the first positioning arm 302 can be limited, facilitating the folding and unfolding work of the second positioning arm 301 and the first positioning arm 302, the pull rod 308 arranged can increase the contact area of the outer surface of the connecting piece 306, facilitating the movement of the connecting piece 306, the outer surface of each limiting rod 305 is sleeved with a telescopic spring 307, one end of each telescopic spring 307 is fixedly connected with the outer surface of the corresponding connecting piece 306, the other end of the four telescopic springs 307 is fixedly connected with the outer surface of the first measuring block 205 and the second measuring block 206, the telescopic spring 307 arranged can limit the position of the limiting rod 305, when the telescopic spring 307 is stretched, it will deform and generate elastic force, therefore the limiting rod 305 can be reset by the elastic force of the telescopic spring 307.

[0035] It should be noted that when the device is in the state as shown in Figure 1 , the four limiting rods 305 will be inserted into the four limiting holes 303 to limit the second positioning arm 301 and the first positioning arm 302, and when the device is in the state as shown in Figure 2 , only two of the four limiting rods 305 can be inserted into the corresponding limiting holes 303 to limit the second positioning arm 301 and the first positioning arm 302, that is, when the device is in the unfolded state, the position of the second positioning arm 301 and the first positioning arm 302 can be limited by three points, and when it is in the folded state, the position of the second positioning arm 301 and the first positioning arm 302 is limited by two points, no matter how many points are used to limit the stability of the second positioning arm 301 and the first positioning arm 302

[0036] Please refer to Figure 1 , Figure 2 and Figure 3The outer surface of the shell 1 is inlaid with a scale 207 and a bubble level 210, the positions of the first measuring block 205 and the second measuring block 206 correspond to the positions of the scale 207, by clamping the first measuring block 205 and the second measuring block 206 on the surface of the tree trunk, then reading the data on the scale 207 according to the position of the first measuring block 205, the diameter of the tree trunk measurement position can be directly obtained, without subsequent calculation steps, which is more practical. The bubble level 210 provided can detect whether the device is in a horizontal state and can be adjusted in time to improve the accuracy of diameter measurement. The outer surface of the shell 1 is fixedly connected with a small laser range finder 208. The small laser range finder 208 can be more convenient to measure the distance from the ground, and can more conveniently and accurately measure the position of the tree trunk at 1.3m, realizing more accurate measurement of the diameter of the tree trunk. The top end of the small laser range finder 208 is provided with an external port 209. The external port 209 can be regularly charged to the small laser range finder 208.

[0037] Please refer to Figure 1 、 Figure 2 and Figure 4 The outer surface of the shell 1 is fixedly connected with two storage boxes 4. The storage boxes 4 can store some tools for forestry investigation, improving the practicability of the device. The side surfaces of the two storage boxes 4 close to each other are respectively fixedly connected with letter stickers A 5 and letter stickers B 6. The letter stickers A 5 and the letter stickers B 6 are matched. The letter stickers A 5 and the letter stickers B 6 can provide protection for the small laser range finder 208. At the same time, the user can also carry the device by holding the letter stickers A 5 and the letter stickers B 6, optimizing the portability of the device. The bottom of the shell 1 is inlaid with two hand holding grooves 7. The two hand holding grooves 7 are located in the interior of the shell 1. The user can insert his hand into the hand holding groove 7 to adjust the position of the device, facilitating the operation in the measurement process.

[0038] The portable forestry investigation equipment in the embodiment can find the measurement position more accurately through the measurement mechanism 2, can more intuitively measure the diameter of the tree trunk, omits the subsequent calculation step, is more practical, can measure the distance between the device and the ground by starting the small laser range finder 208 when positioning, can more quickly find the measurement position, and then can rotate the knob 211 to adjust the position of the first measurement block 205, make the first measurement block 205 move towards the second measurement block 206, and then make the first positioning arm 302 and the second positioning arm 301 clamp outside the tree trunk, and then the value of the scale 207 can be read according to the position of the first measurement block 205, that is, the diameter of the tree trunk can be obtained, the rapid and accurate measurement of the diameter and height of the tree trunk is realized, and the folding mechanism 3 is arranged, so that the second positioning arm 301 and the first positioning arm 302 can be folded and stored when not in use, the space area occupied by the device is reduced, and the device is convenient to carry.

[0039] The working principle of the above embodiment is that when in use, the small laser range finder 208 is started to find the position of the tree to be measured at a distance of 1.3 m from the ground, after the approximate position is found, the knob 211 is rotated to move the first measurement block 205 towards the second measurement block 206, when the knob 211 is rotated, the lead screw 201 is rotated, the adjusting block 202 is moved along the guide column 203 through the rotation of the lead screw 201, and then the first measurement block 205 is moved towards the second measurement block 206, so that the device can be clamped on the tree trunk of the tree to be measured by the second positioning arm 301 and the first positioning arm 302, and then the height of the shell 1 is adjusted according to the reading of the small laser range finder 208, so that the measurement accuracy is improved, then whether the device is in a horizontal state can be observed through the bubble level 210, and timely adjustment is made, the effect of further optimizing the measurement accuracy is realized, after the position of the device positioned on the tree trunk is adjusted, the data on the scale 207 can be read according to the position of the first measurement block 205, so that the diameter of the tree trunk at 1.3 m can be directly obtained, and subsequent calculation work is no longer needed, which is more practical, after measurement, the two connecting plates 306 can be pulled to move the two limiting rods 305 out of the corresponding limiting holes 303, the limiting of the second positioning arm 301 or the first positioning arm 302 is released, then the second positioning arm 301 or the first positioning arm 302 is rotated by 90 degrees, and the connecting plate 306 is loosened, at this time, the corresponding limiting rod 305 is reset by the elastic force generated by the deformation of the extension spring 307, so as to be popped into the corresponding limiting hole 303 to limit the second positioning arm 301 or the first positioning arm 302, the folded device is as shown in Figure 2 The area occupied by the device is reduced, and the device is convenient to carry and move.

[0040] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0041] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, many modifications, changes, substitutions, and alterations can be made thereto without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A portable forestry surveying apparatus comprising a housing (1) and a measuring mechanism (2), characterised in that: The measuring mechanism (2) comprises a lead screw (201) rotatably sleeved on the inner wall of the shell (1), the outer surface of the lead screw (201) is threadedly connected with an adjusting block (202), one side surface of the shell (1) is provided with a sliding groove (204), the inner wall of the sliding groove (204) is slidably connected with a first measuring block (205), one side surface of the first measuring block (205) is fixedly connected with one side surface of the adjusting block (202), the outer surface of the shell (1) is fixedly connected with a second measuring block (206), the interiors of the first measuring block (205) and the second measuring block (206) are provided with a folding mechanism (3), the outer surface of the shell (1) is inlaid with a scale ruler (207) and a bubble level (210), the positions of the first measuring block (205) and the second measuring block (206) correspond to the position of the scale ruler (207), and the outer surface of the shell (1) is fixedly connected with a small laser range finder (208).

2. A portable forestry surveying apparatus according to claim 1, characterised in that: The inner wall of the shell (1) is fixedly connected with four guide columns (203), and the four corners of the adjusting block (202) are slidably sleeved on the outer surfaces of the four guide columns (203).

3. The portable forestry surveying apparatus of claim 1, wherein: The top end of the small laser range finder (208) is provided with an external port (209), and the shaft end of the lead screw (201) is fixedly connected with a knob (211).

4. The portable forestry surveying apparatus of claim 1, wherein: The folding mechanism (3) comprises a second positioning arm (301) and a first positioning arm (302), the second positioning arm (301) is rotatably sleeved in the inner wall of the second measuring block (206), and the first positioning arm (302) is rotatably sleeved in the inner wall of the first measuring block (205).

5. A portable forestry surveying apparatus according to claim 4, characterised in that: Rotating ends of the second positioning arm (301) and the first positioning arm (302) are provided with two limiting holes (303), and the second positioning arm (301) and the first positioning arm (302) are fixedly connected with wear-resistant plates (304) on the sides close to each other.

6. A portable forestry surveying apparatus according to claim 5, wherein: The inner walls of the first measuring block (205) and the second measuring block (206) are slidably sleeved with two limiting rods (305), the diameter of the limiting rod (305) corresponds to the diameter of the limiting hole (303), the outer surface of each limiting rod (305) is fixedly connected with a connecting piece (306), and the outer surface of each connecting piece (306) is fixedly connected with a lever (308).

7. A portable forestry surveying apparatus according to claim 6, characterised in that: The outer part of each limiting rod (305) is sleeved with a telescopic spring (307), one end of each telescopic spring (307) is fixedly connected with the outer surface of the corresponding connecting piece (306), and the other ends of the four telescopic springs (307) are fixedly connected with the outer surfaces of the first measuring block (205) and the second measuring block (206).

8. The portable forestry surveying apparatus of claim 1, wherein: The outer surface of the shell (1) is fixedly connected with two storage boxes (4), the sides close to each other of the two storage boxes (4) are fixedly connected with letter stickers A (5) and letter stickers B (6) respectively, the letter stickers A (5) and the letter stickers B (6) are matched, and the bottom of the shell (1) is inlaid with two hand placing grooves (7), and the two hand placing grooves (7) are located in the interior of the shell (1).

Citation Information

Patent Citations

  • Portable forestry investigation equipment

    CN221593888U