Height measurer for measuring height of tree by using geometric principle

Abstract

The invention relates to the technical field of tree height measuring devices, and particularly discloses a height measuring device for measuring the height of a tree by using the geometric principle, the middle part of a vertical rod is fixedly connected with a placing frame, the upper side and the lower side of the vertical rod are fixedly connected with scale pointers, a horizontal rod is inserted into the inner side of the placing frame, and the horizontal rod is fixedly connected with the placing frame. A gradienter is fixedly connected to the right portion of the middle of the horizontal rod. According to the height measuring device for measuring the tree height by using the geometric principle, the protection mechanism is arranged, and the design of a movable protection plate and a supporting rod capable of sliding out enables measuring personnel to rapidly carry out equipment supporting adjustment according to the ground condition, so that a lot of time is not needed to search for the flat ground or carry out large-scale leveling treatment on the ground; the measuring preparation time is saved, measuring personnel can flexibly select the sliding-out length and position of the supporting rod according to the actual measuring requirement and the on-site terrain, the measuring equipment can be better aligned with trees for measurement, and the measuring convenience and the working efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tree height measuring devices, and specifically to a height measuring device that uses geometric principles to measure the height of trees. Background Art

[0002] When conducting investigations and monitoring in fields related to forest resource surveys, tree height is an important parameter. Traditional tree height measurements are carried out using a Blume-Leiss altimeter or a measuring pole, in meters, with readings accurate to one decimal place. The Blume-Leiss altimeter designed by checking approximate scale values according to the triangle principle has both low accuracy and low efficiency in forestry production applications. Measuring poles are measured by visual estimation and are often restricted by terrain or stand structure during field surveys, resulting in low measurement accuracy. New types of laser, microwave, and ultrasonic altimeters are also restricted by factors such as terrain and canopy density and are expensive, making them unfavorable for popularization in actual survey work.

[0003] In the prior art, methods for measuring the height of trees mainly include using devices such as rangefinders and theodolites, or through simple triangulation methods. However, these methods often require complex equipment or professional operation skills, causing difficulties for ordinary users in practical applications. Therefore, there is an urgent need for a simple, easy-to-operate, and low-cost tree height measurement method. Summary of the Invention

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A height measuring device that uses geometric principles to measure the height of trees, comprising:

[0005] A vertical rod, a placement frame is fixedly connected to the middle of the vertical rod, and scale pointers are fixedly connected to both the upper and lower sides of the vertical rod;

[0006] A horizontal rod, the horizontal rod is inserted into the inner side of the placement frame, the side surface of the horizontal rod is slidably connected to the inner side of the placement frame, and a level is fixedly connected to the right part in the middle of the horizontal rod;

[0007] A support member, which is used to support and fix the vertical rod, and the inner side of the support member is fixedly connected to the side surface of the vertical rod;

[0008] The support member includes a connection block and a support seat. An adjustment mechanism is fixedly connected to the top of the connection block. A fixed frame is rotationally connected by threads to the top of the adjustment mechanism, and the side surface of the fixed frame is fixedly connected to the side surface of the vertical rod. A support rod is fixedly connected to the bottom of the connection block. Connection mechanisms are fixedly connected to both sides of the connection block away from the support rod. Cleaning mechanisms are fixedly connected to both sides of the top of the support seat. A connecting plate is fixedly connected to the top of the cleaning mechanism. Protective mechanisms are slidably connected to both sides of the connecting plate. The side surface of the support rod is slidably connected to the inner sides of the connecting plate and the support seat.

[0009] Preferably, the protection mechanism includes two protection frames. A sliding rod is fixedly connected to one side of the protection frame close to the connecting plate. The side surface of the sliding rod is slidably connected to the inner side of the connecting plate. A protection plate is fixedly connected to the bottom of the protection frame. The top of the protection plate is slidably connected to the bottom of the support seat.

[0010] Preferably, the connection mechanism includes two connecting shafts. The top of the connecting shaft is fixedly connected to the bottom of the connecting block. Circular holes are evenly formed in the side surface of the connecting shaft and penetrate through the side surface of the connecting shaft. A limiting component is fixedly connected to the inner side of the connecting block. The side surface of the connecting shaft is slidably connected to the inner side of the limiting component.

[0011] Preferably, the limiting component includes a limiting cylinder. The side surface of the limiting cylinder is fixedly connected to the inner side of the connecting block. A magnet block is fixedly connected to the side surface of the limiting cylinder. A limiting plate is fixedly connected to one side of the limiting cylinder away from the magnet block. A guiding rod is slidably connected to the inner side of the limiting plate. A limiting block is fixedly connected to one end of the guiding rod. An extrusion plate is fixedly connected to the other end of the guiding rod. A first spring is sleeved on the guiding rod. One end of the first spring is fixedly connected to the extrusion plate, and the other end of the first spring is fixedly connected to the limiting plate. A magnet plate is fixedly connected to one side of the limiting plate close to the guiding rod. Absorbing slots are evenly formed in one side of the limiting cylinder close to the extrusion plate.

[0012] Preferably, the adjusting mechanism includes an adjusting sleeve and a circular plate. The top of the adjusting sleeve is in threaded rotational connection with the bottom of the fixing frame. The bottom of the circular plate is fixedly connected to the bottom of the connecting block. Vertical grooves are formed on both sides of the adjusting sleeve. Horizontal grooves are evenly formed in the side surface of the adjusting sleeve, and the horizontal grooves communicate with the vertical grooves. An adjusting rod is fixedly connected to the top of the circular plate. An adjusting block is fixedly connected to the top of the adjusting rod. The side surface of the adjusting block is in contact with the inner sides of the vertical grooves and the horizontal grooves.

[0013] Preferably, the cleaning mechanism includes a cleaning housing. The top of the cleaning housing is fixedly connected to the bottom of the connecting plate. The bottom of the cleaning housing is fixedly connected to the top of the support seat. A contact component is fixedly connected to the inner side of the cleaning housing.

[0014] Preferably, the contact assembly includes a contact plate. The side surface of the contact plate is fixedly connected to the inner wall of the cleaning housing. The top of the contact plate is evenly provided with sliding grooves. A sliding block is slidably connected to the inside of the sliding groove. A connecting rod is slidably connected to the inside of the sliding block. The top of the connecting rod is fixedly connected to the bottom of the contact plate. A second spring is sleeved on the connecting rod. The top of the second spring is fixedly connected to the bottom of the contact plate. The bottom of the second spring is fixedly connected to the inside of the sliding block. The bottom of the sliding block is fixedly connected to a scraping plate. One side of the scraping plate away from the material dropping groove is in contact with the side surface of the support rod. Circular grooves are provided on both the upper and lower sides of the scraping plate. Material dropping grooves are evenly provided on the side surface of the scraping plate.

[0015] The present invention provides a height measuring device for measuring the height of a tree using geometric principles. It has the following beneficial effects:

[0016] 1. This height measuring device for measuring the height of a tree using geometric principles is provided with a protection mechanism. The design of this movable protection plate and slidable support rod enables the surveyor to quickly adjust the equipment support according to the ground conditions, without spending a lot of time looking for a flat ground or carrying out large-scale ground leveling treatment, saving the measurement preparation time. The surveyor can flexibly select the slid-out length and position of the support rod according to the actual measurement requirements and the on-site terrain, so that the measurement device can better align with the tree for measurement, improving the convenience and working efficiency of the measurement.

[0017] 2. This height measuring device for measuring the height of a tree using geometric principles is provided with an adjustment mechanism, which can flexibly adjust the height of the vertical rod according to the height of the observer and different measurement scenarios. This enables the measurement device to be applicable to various different working environments and measurement tasks. Whether measuring trees on flat ground or in complex mountainous, forested areas and other environments, the accuracy and convenience of the measurement can be ensured by adjusting the height of the vertical rod, improving the versatility of the equipment.

[0018] 3. This height measuring device for measuring the height of a tree using geometric principles is provided with a limiting component, which effectively avoids the accidental sliding down or upward movement of the support rod that may occur without restraint, ensuring that the support rod can maintain its set position throughout the measurement process, providing continuous and reliable support for the measurement device, and improving the safety and reliability of the measurement work.

[0019] 4. This height measuring device for measuring the height of a tree using geometric principles is provided with a contact assembly. The design of the scraping plate moving against the side surface of the support rod can efficiently scrape off the soil attached to the support rod, which is faster and more thorough than manual cleaning. Moreover, the setting of the material dropping grooves and circular grooves enables the soil to fall smoothly without causing blockage or backflow during the cleaning process, further improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of the height measuring instrument for measuring the height of a tree by using geometric principles in the present invention;

[0021] Figure 2 This is a schematic structural diagram of the vertical rod in the present invention;

[0022] Figure 3 This is a schematic structural diagram of the horizontal rod in the present invention;

[0023] Figure 4 This is a schematic structural diagram of the support component in the present invention;

[0024] Figure 5 This is a schematic structural diagram of the protection mechanism in the present invention;

[0025] Figure 6 This is a schematic structural diagram of the fixing bracket in the present invention;

[0026] Figure 7 This is a schematic structural diagram of the adjustment mechanism in the present invention;

[0027] Figure 8 This is a schematic structural diagram of the connecting plate in the present invention;

[0028] Figure 9 This is a schematic structural diagram of the limit component in the present invention;

[0029] Figure 10 This is a schematic structural diagram of the cleaning mechanism in the present invention;

[0030] Figure 11 This is a schematic structural diagram of the contact component in the present invention;

[0031] Figure 12 This is a schematic diagram of the measurement method process in the present invention Figure 1 ;

[0032] Figure 13 This is a schematic diagram of the measurement method process in the present invention Figure 2 ;

[0033] Figure 14 This is a schematic diagram of the measurement method process in the present invention Figure 3 。

[0034] In the figure: 1. Vertical rod; 2. Support component; 21. Connecting plate; 22. Fixed frame; 23. Adjusting mechanism; 231. Adjusting sleeve; 232. Circular plate; 233. Adjusting rod; 234. Adjusting block; 235. Vertical groove; 236. Horizontal groove; 24. Connecting block; 25. Connecting mechanism; 251. Connecting shaft; 252. Circular hole; 253. Limiting component; 2531. Limiting cylinder; 2532. Magnet block; 2533. Limiting plate; 2534. Guide rod; 2535. Limiting block; 2536. Extrusion plate; 2537. First spring; 2538. Magnet attracting groove; 2539. Magnet plate; 26. Protection mechanism; 261. Protection frame; 262. Slide bar; 263. Protection plate; 27. Support base; 28. Cleaning mechanism; 281. Cleaning housing; 282. Contact component; 2821. Contact plate; 2822. Sliding groove; 2823. Sliding block; 2824. Connecting rod; 2825. Second spring; 2826. Scraper; 2827. Material dropping groove; 2828. Circular groove; 29. Support rod; 3. Horizontal rod; 4. Placing frame; 5. Scale pointer; 6. Level gauge. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figures 1 - 3 , the present invention provides a technical solution: an altimeter for measuring the height of a tree using geometric principles.

[0037] Please refer to Figures 1 - 3 , the present invention provides a technical solution: including:

[0038] A vertical rod 1, a placing frame 4 is fixedly connected to the middle part of the vertical rod 1, and scale pointers 5 are fixedly connected to both the upper and lower sides of the vertical rod 1;

[0039] A horizontal rod 3, the horizontal rod 3 is inserted into the inner side of the placing frame 4, the side surface of the horizontal rod 3 is slidably connected to the inner side of the placing frame 4, and a level gauge 6 is fixedly connected to the right part of the middle of the horizontal rod 3;

[0040] A support component 2, which is used to support and fix the vertical rod 1, and the inner side of the support component 2 is fixedly connected to the side surface of the vertical rod 1;

[0041] Please refer to Figures 4 - 11 , the present invention provides a technical solution: including:

[0042] Please refer toFigure 4 The support member 2 includes a connection block 24 and a support base 27. The top of the connection block 24 is fixedly connected with an adjustment mechanism 23. The top of the adjustment mechanism 23 is rotationally connected with a fixing frame 22 by a thread. The side of the fixing frame 22 is fixedly connected with the side of the vertical rod 1. The bottom of the connection block 24 is fixedly connected with a support rod 29. Both sides of the connection block 24 away from the support rod 29 are fixedly connected with connection mechanisms 25. Both sides of the top of the support base 27 are fixedly connected with cleaning mechanisms 28. The top of the cleaning mechanism 28 is fixedly connected with a connection plate 21. Both sides of the connection plate 21 are slidably connected with a protection mechanism 26. The side of the support rod 29 is slidably connected with the inside of the connection plate 21 and the support base 27;

[0043] Specifically, when tree height measurement work needs to be carried out on uneven ground, by sliding the protection mechanism 26, the protection mechanism 26 slides on the support base 27. Then, by pressing down the connection block 24, the connection block 24 drives the support rod 29 to pass through the connection plate 21 and the support base 27, and inserts the support rod 29 into the soil, so that the support rod 29 supports and limits the support base 27. After determining the distance that the support rod 29 penetrates into the soil, by activating the connection mechanism 25, the connection mechanism 25 fixes and limits the position of the support rod 29, thus avoiding the phenomenon of the position of the support rod 29 deviating;

[0044] Please refer to Figure 5 The protection mechanism 26 includes two protection frames 261. One side of the protection frame 261 close to the connection plate 21 is fixedly connected with a sliding rod 262. The side of the sliding rod 262 is slidably connected with the inside of the connection plate 21. The bottom of the protection frame 261 is fixedly connected with a protection plate 263. The top of the protection plate 263 is slidably connected with the bottom of the support base 27;

[0045] Moreover, when tree height measurement work needs to be carried out on uneven ground, by pulling the protection frame 261, the sliding rod 262 drives the protection plate 263 to move away from the protection frame 261, so that the protection plate 263 slides on the bottom of the support base 27, and the top of the protection plate 263 releases the resistance to the support rod 29, so that the support rod 29 can slide out through the support base 27 and be inserted into the soil on the ground for support work. The support rod 29 can be adjusted according to the specific situation of the uneven ground. For example, it can slide out more in low-lying areas and less in raised areas, so that the measuring device can maintain a horizontal or vertical state under support points at different heights and better adapt to complex terrains;

[0046] Please refer to Figure 8, the connecting mechanism 25 includes two connecting shafts 251. The top of the connecting shaft 251 is fixedly connected to the bottom of the connecting block 24. Circular holes 252 are evenly formed on the side surface of the connecting shaft 251, and the circular holes 252 penetrate through the side surface of the connecting shaft 251. A limiting component 253 is fixedly connected to the inner side of the connecting block 24, and the side surface of the connecting shaft 251 is slidably connected to the inner side of the limiting component 253;

[0047] Specifically, when the protection plate 263 releases the resistance against the support rod 29, by pressing down the connecting block 24, the connecting block 24 drives the support rod 29 to move downward. At the same time, the connecting block 24 drives the connecting shaft 251 to slide downward in the limiting component 253. After the moving distance of the support rod 29 into the soil is fixed, by activating the limiting component 253, the connecting shaft 251 is fixed and limited, and at the same time, the position height of the support rod 29 is limited and fixed. Thus, the support rod 29 can enter the soil through the cleaning housing 281 and the support base 27, enabling more support points for the measuring device, more reasonable distribution, forming a more stable support, making the device less likely to shake or tip during the measurement process, and ensuring the accuracy of the measurement data;

[0048] Please refer to Figure 9 , the limiting component 253 includes a limiting cylinder 2531. The side surface of the limiting cylinder 2531 is fixedly connected to the inner side of the connecting block 24. A magnet block 2532 is fixedly connected to the side surface of the limiting cylinder 2531. A limiting plate 2533 is fixedly connected to the side of the limiting cylinder 2531 away from the magnet block 2532. A guide rod 2534 is slidably connected to the inner side of the limiting plate 2533. One end of the guide rod 2534 is fixedly connected to a limiting block 2535, and the other end of the guide rod 2534 is fixedly connected to a pressing plate 2536. A first spring 2537 is sleeved on the guide rod 2534. One end of the first spring 2537 is fixedly connected to the pressing plate 2536, and the other end of the first spring 2537 is fixedly connected to the limiting plate 2533. A magnet plate 2539 is fixedly connected to the side of the limiting plate 2533 close to the guide rod 2534. Suction iron grooves 2538 are evenly formed on the side of the limiting cylinder 2531 close to the pressing plate 2536;

[0049] Specifically, by pressing down on the connecting block 24, the connecting block 24 drives the connecting shaft 251 to move downward in the limiting cylinder 2531. At the same time, after the support rod 29 is inserted into the soil, by pushing the extrusion plate 2536 and pressing the first spring 2537 simultaneously, the extrusion plate 2536 drives the limiting block 2535 through the guiding rod 2534 to pass through the circular hole 252 on the connecting shaft 251 and abut against the magnet block 2532. At the same time, the magnet plate 2539 on the extrusion block abuts against the iron suction groove 2538. By setting the magnetic attraction between the magnet block 2532 and the limiting block 2535 to be greater than the elastic force of the first spring 2537, the magnet block 2532 and the limiting block 2535 are attracted to each other, and the magnet plate 2539 and the iron suction groove 2538 are attracted to each other, thereby fixing the position of the limiting block 2535. As a result, the limiting block 2535 passes through the circular hole 252 on the connecting shaft 251 to limit and fix the position of the connecting shaft 251, and further limit the downward movement height of the support rod 29 in the soil;

[0050] Please refer to Figures 6 - 7 , the adjusting mechanism 23 includes an adjusting sleeve 231 and a circular plate 232. The top of the adjusting sleeve 231 is rotatably connected to the bottom of the fixing frame 22 by threads. The bottom of the circular plate 232 is fixedly connected to the bottom of the connecting block 24. Vertical grooves 235 are provided on both sides of the adjusting sleeve 231, and transverse grooves 236 are evenly provided on the side of the adjusting sleeve 231. The transverse grooves 236 communicate with the vertical grooves 235. The top of the circular plate 232 is fixedly connected to an adjusting rod 233, the top of the adjusting rod 233 is fixedly connected to an adjusting block 234, and the side of the adjusting block 234 is in contact with the inside of the vertical groove 235 and the transverse groove 236;

[0051] Specifically, after the support rod 29 supports and fixes the position of the support seat 27, by rotating the adjusting sleeve 231 to rotate at the bottom of the fixing frame 22, the side of the adjusting block 234 abuts against the inside of the vertical groove 235, so that the adjusting block 234 slides up and down in the vertical groove 235, enabling the adjusting sleeve 231 to drive the vertical rod 1 to move up and down through the fixing frame 22 for adjustment work, so as to select a suitable adjustment according to the height of the observer. After appropriately adjusting the height of the vertical rod 1, by rotating the adjusting sleeve 231, the adjusting sleeve 231 rotates by threads at the bottom of the fixing frame 22, so that the adjusting block 234 enters the corresponding transverse groove 236, thereby limiting the height of the vertical rod 1;

[0052] Please refer to Figure 10 , the cleaning mechanism 28 includes a cleaning housing 281. The top of the cleaning housing 281 is fixedly connected to the bottom of the connecting plate 21, the bottom of the cleaning housing 281 is fixedly connected to the top of the support seat 27, and a contact component 282 is fixedly connected to the inside of the cleaning housing 281;

[0053] Specifically, after the measurement of the tree height is completed, after the limit on the connecting shaft 251 is released by the limit component 253, by pulling the connecting block 24, the connecting block 24 drives the support rod 29 to move upward through the cleaning housing 281;

[0054] Please refer to Figure 11 , the contact component 282 includes a contact plate 2821. The side surface of the contact plate 2821 is fixedly connected to the inner wall of the cleaning housing 281. The top of the contact plate 2821 is evenly provided with sliding grooves 2822. The inner side of the sliding grooves 2822 is slidably connected with sliding blocks 2823. The inner side of the sliding blocks 2823 is slidably connected with connecting rods 2824. The top of the connecting rods 2824 is fixedly connected to the bottom of the contact plate 2821. A second spring 2825 is sleeved on the connecting rods 2824. The top of the second spring 2825 is fixedly connected to the bottom of the contact plate 2821. The bottom of the second spring 2825 is fixedly connected to the inner side of the sliding blocks 2823. The bottom of the sliding blocks 2823 is fixedly connected to a scraping plate 2826. The side of the scraping plate 2826 away from the blanking groove 2827 is in contact with the side surface of the support rod 29. Circular grooves 2828 are provided on both the upper and lower sides of the scraping plate 2826. Blanking grooves 2827 are evenly provided on the side surface of the scraping plate 2826;

[0055] Specifically, the side surface of the support rod 29 is moved against the side surface of the scraping plate 2826, so that the scraping plate 2826 can scrape off the soil attached to the support rod 29, thereby preventing the soil from drying and adhering to the support rod 29. At the same time, by providing the blanking grooves 2827 and circular grooves 2828 on the scraping plate 2826, after the scraping plate 2826 cleans the side surface of the support rod 29, the scraped soil can fall out of the cleaning housing 281 through the blanking grooves 2827 and circular grooves 2828, thereby preventing a large amount of soil from remaining on the scraping plate 2826 and interfering with the movement of the support rod 29. At the same time, when the extrusion force between the scraping plate 2826 and the soil on the support rod 29 is greater than the tensile force of the second spring 2825, the scraping plate 2826 moves towards the contact plate 2821 through the sliding block 2823. At the same time, through the buffering work of the second spring 2825, the excessive extrusion contact force between the scraping plate 2826 and the support rod 29 is avoided, so as not to cause scraping damage to the side surface of the support rod 29;

[0056] Please refer to Figure 12 , the present invention provides a technical solution:

[0057] In the case of flat ground, the tree height H = AC = ac * OB / Ob = (ab + bc) * OB / Ob;

[0058] When Ob = 1 meter, H = OB * ac. For example, if OB is 15 meters and ac is 1.2 meters, then the tree height H = 15 * 1.2 = 18 meters;

[0059] Please refer to Figure 13 , the present invention provides a technical solution:

[0060] When measuring the height on a slope, when the tree height H = AC, AC:ac = BO:bO; H = BO * ac / bO;

[0061] When bO is 1 meter, H = BO * ac; when bO is 0.5 meter, H = 2BO * ac.

[0062] For example: when bO is 1 meter, BO is 18 meters, and ac is 0.7, the tree height H = 18 * 0.7 = 12.6 meters.

[0063] Please refer to Figure 14 , the present invention provides a technical solution:

[0064] When measuring the height on a slope, when the tree height H = AC, AC:ac = BO:bO; H = BO * ac / bO;

[0065] When bO is 1 meter, H = BO * ac; when bO is 0.5 meter, H = 2BO * ac.

[0066] ac = bc - ba. For example, if BO is 15 meters and ac is 0.8 meter, then the tree height H = 15 * 0.8 = 12 meters.

[0067] Specific working process:

[0068] A rod with a 2-meter scale is placed vertically, and there is a vertical hole in the middle at the 1-meter position. Another 1-meter horizontal rod 3 is perpendicularly inserted into the hole of the first rod, with one end flush with the outside of the vertical rod 1, and the two rods are perpendicular to each other;

[0069] Take the end of the horizontal rod 3 of the cross-measuring rod as the observation point O, ensure that its horizontal rod is horizontal and the vertical rod 1 is vertical, and the intersection position with the horizontal rod 3 is point b;

[0070] Through the observation of the end point O of the horizontal rod 3, aim at the treetop A point, record the position of the straight line from point O to point A passing through the vertical measuring rod at point a, and record the length ab from point a to point b;

[0071] Through the observation of the end point O of the horizontal rod 3, aim at the tree root C point, record the position of the straight line from point O to point C passing through the vertical measuring rod at point c, and record the length bc from point c to point b;

[0072] According to the principle of equal ratios of triangles, use the known height of the measuring rod and the horizontal distance of the observation point to calculate the height H of the tree;

[0073] Calculate the tree height H through the formula:

[0074] AC: ac = OB: Ob;

[0075] Among them, AC is the tree height, OB is the horizontal distance between the observer and the tree, Ob is the horizontal distance of the vertical measuring rod from point O, point O is the observation point, and the horizontal distance OB can be obtained by using a tape measure or a laser rangefinder;

[0076] When performing height measurement work on a flat ground, support and measure the vertical rod 1 through the support base 27, so as to perform height measurement work on the tree;

[0077] When tree height measurement work needs to be carried out on the ground with uneven soil, through the sliding protection mechanism 26, the protection mechanism 26 slides on the support base 27, and then by pressing down the connecting block 24, the connecting block 24 drives the support rod 29 to pass through the connecting plate 21 and the support base 27, and inserts the support rod 29 into the soil, so that the support rod 29 supports and limits the position of the support base 27. After determining the depth of the support rod 29 inserted into the soil, by opening the connecting mechanism 25, the connecting mechanism 25 fixes and limits the position of the support rod 29, so as to avoid the phenomenon of the position deviation of the support rod 29;

[0078] After limiting and fixing the position of the support base 27, adjust the height of the adjustment mechanism 23 to adjust the height of the vertical rod 1, so as to be able to select a suitable adjustment according to the height of the observer;

[0079] When the measurement work is completed, by closing the connecting mechanism 25, the limit fixation of the support rod 29 is released, and then by pulling the connecting block 24, the support rod 29 is driven to move upward for reset. At the same time, when the support rod 29 passes through the cleaning mechanism 28, the cleaning mechanism 28 can clean the side of the support rod 29;

[0080] When tree height measurement work needs to be carried out on the ground with uneven soil, by pulling the protective frame 261, the sliding rod 262 drives the protective plate 263 to move away from the protective frame 261, so that the protective plate 263 slides at the bottom of the support base 27, and the top of the protective plate 263 releases the resistance to the support rod 29, so that the support rod 29 can slide out through the support base 27 and be inserted into the soil on the ground for support work. The support rod 29 can be adjusted according to the specific situation of the uneven ground. For example, it can slide out more in the low-lying area and less in the raised area, so that the measuring device can maintain a horizontal or vertical state under support points at different heights and better adapt to complex terrains;

[0081] A stable support structure can reduce the probability of accidental falling or tipping of the equipment due to instability, thereby reducing the risk of injury to surrounding operators and ensuring personnel safety;

[0082] When the protective plate 263 releases the resistance to the support rod 29, by pressing the connecting block 24 downward, the connecting block 24 drives the support rod 29 to move downward, and at the same time, the connecting block 24 drives the connecting shaft 251 to slide downward in the limit assembly 253. After the distance the support rod 29 moves into the soil is fixed, the limit assembly 253 is opened to fix the connecting shaft 251, and at the same time, the position height of the support rod 29 is limited and fixed, so that the support rod 29 enters the soil through the cleaning shell 281 and the support seat 27. This can increase the support points of the measuring equipment and make the distribution more reasonable, forming a more stable support, making it less likely for the equipment to shake or fall during the measurement process, and ensuring the accuracy of the measurement data;

[0083] By pressing the connecting block 24 downward, the connecting block 24 drives the connecting shaft 251 to move downward in the limiting cylinder 2531. At the same time, when the support rod 29 is inserted into the soil, the squeezing plate 2536 is pushed and the first spring 2537 is pressed at the same time, so that the squeezing plate 2536 drives the limiting block 2535 through the guide rod 2534, passes through the circular hole 252 on the connecting shaft 251 and contacts the magnet block 2532. At the same time, the magnet plate 2539 on the squeezing block contacts the iron-absorbing groove 2538. By setting the attraction force between the magnet block 2532 and the limit block 2535 to be greater than the elastic force of the first spring 2537, the magnet block 2532 and the limit block 2535 are attracted to each other, and the magnet plate 2539 and the iron-absorbing groove 2538 are attracted to each other, thereby fixing the position of the limit block 2535. As a result, the limit block 2535 passes through the circular hole 252 on the connecting shaft 251, thereby limiting and fixing the position of the connecting shaft 251, and further limiting the downward movement height of the support rod 29 in the soil;

[0084] Therefore, when the support rod 29 is performing support work, whether in soft sand, mud, or hard soil, the support rod 29 can adapt to various complex terrains through this precise height limit, ensuring that the measuring equipment is always in an ideal measuring state such as horizontal or vertical, thereby improving the accuracy of tree height measurement;

[0085] When the measurement of the tree is completed and the support rod 29 is to be stored, by pulling the pressing plate 2536, the pressing plate 2536 drives the limiting block 2535 to disengage from the magnet block 2532 through the guide rod 2534. At the same time, the magnet plate 2539 disengages from the magnetic suction groove 2538. Thus, the pressing plate 2536 is pulled by the reset of the first spring 2537, and drives the limiting block 2535 to disengage from the circular hole 252 on the connecting shaft 251 through the guide rod 2534, thereby ending the limitation of the connecting shaft 251, and enabling the support rod 29 to complete the storage work;

[0086] Precise limitation and stable support make the force between components of the support rod 29 more uniform and reasonable during the process of inserting into the soil and supporting, reducing component wear caused by excessive shaking, friction or uneven force, extending the service life of components such as the connecting block 24, the connecting shaft 251, and the support rod 29, and reducing the maintenance cost of the equipment;

[0087] After the support rod 29 supports and fixes the position of the support seat 27, by rotating the adjusting sleeve 231 at the bottom of the fixing frame 22, the side surface of the adjusting block 234 abuts against the inner side of the vertical groove 235, so that the adjusting block 234 slides up and down in the vertical groove 235, enabling the adjusting sleeve 231 to drive the vertical rod 1 to move up and down through the fixing frame 22 for adjustment work, and thus selecting a suitable adjustment according to the height of the observer. After appropriately adjusting the height of the vertical rod 1, by rotating the adjusting sleeve 231, the adjusting sleeve 231 rotates threadedly at the bottom of the fixing frame 22, so that the adjusting block 234 enters the corresponding horizontal groove 236, thereby limiting the height of the vertical rod 1;

[0088] After the measurement of the tree height is completed, after the limiting component 253 releases the limitation on the connecting shaft 251, by pulling the connecting block 24, the connecting block 24 drives the support rod 29 to move upward through the cleaning outer shell 281;

[0089] Thus, the side surface of the support rod 29 abuts and moves against the side surface of the scraping plate 2826, enabling the scraping plate 2826 to scrape off the soil adhering to the support rod 29, thereby preventing the soil from drying and sticking to the support rod 29. At the same time, by providing a material discharge groove 2827 and a circular groove 2828 on the scraping plate 2826, after the scraping plate 2826 cleans the side surface of the support rod 29, the scraped-off soil can fall out of the cleaning housing 281 through the material discharge groove 2827 and the circular groove 2828, thus preventing a large amount of soil from remaining on the scraping plate 2826 and interfering with the movement of the support rod 29. At the same time, when the extrusion force between the scraping plate 2826 and the soil on the support rod 29 is greater than the tensile force of the second spring 2825, the scraping plate 2826 moves towards the contact plate 2821 through the sliding block 2823. At the same time, through the buffering action of the second spring 2825, the excessive extrusion contact force between the scraping plate 2826 and the support rod 29 is avoided, so as not to cause scraping damage to the side surface of the support rod 29;

[0090] By cleaning and protecting the support rod 29 well, it can ensure that the equipment always maintains a good state during long-term use, reduce equipment failures and the number of repairs caused by the damage or performance degradation of the support rod 29, improve the reliability and availability of the equipment, and provide stable support for tree measurement work;

[0091] The design of the scraping plate 2826 abutting and moving against the side surface of the support rod 29 can efficiently scrape off the soil adhering to the support rod 29, which is faster and more thorough than manual cleaning. Moreover, the settings of the material discharge groove 2827 and the circular groove 2828 enable the soil to fall smoothly without causing blockage or backflow during the cleaning process, further improving the cleaning efficiency.

[0092] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the scope of protection of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art without special instructions and limitations.

Claims

1. A height measuring device for measuring the height of a tree using geometric principles, comprising, characterized in that: A vertical rod (1), a placement frame (4) is fixedly connected to the middle of the vertical rod (1), and scale pointers (5) are fixedly connected to both the upper and lower sides of the vertical rod (1); A horizontal rod (3), the horizontal rod (3) is inserted into the inner side of the placement frame (4), the side surface of the horizontal rod (3) is slidably connected to the inner side of the placement frame (4), and a level (6) is fixedly connected to the right part in the middle of the horizontal rod (3); A support member (2), which is used to support and fix the vertical rod (1), and the inner side of the support member (2) is fixedly connected to the side surface of the vertical rod (1); The support member (2) includes a connection block (24) and a support base (27), an adjustment mechanism (23) is fixedly connected to the top of the connection block (24), a fixing frame (22) is rotationally connected by threads to the top of the adjustment mechanism (23), the side surface of the fixing frame (22) is fixedly connected to the side surface of the vertical rod (1), a support rod (29) is fixedly connected to the bottom of the connection block (24), connection mechanisms (25) are fixedly connected to both sides of the connection block (24) away from the support rod (29), cleaning mechanisms (28) are fixedly connected to both sides of the top of the support base (27), a connection plate (21) is fixedly connected to the top of the cleaning mechanism (28), protection mechanisms (26) are slidably connected to both sides of the connection plate (21), and the side surface of the support rod (29) is slidably connected to the inner sides of the connection plate (21) and the support base (27).

2. The height measuring device for measuring the height of a tree using geometric principles according to claim 1, wherein: The protection mechanism (26) includes two protection frames (261), a sliding rod (262) is fixedly connected to the side of the protection frame (261) close to the connection plate (21), and a protection plate (263) is fixedly connected to the bottom of the protection frame (261).

3. The height measuring instrument for measuring the height of a tree using geometric principles according to claim 2, wherein: The side surface of the sliding rod (262) is slidably connected to the inner side of the connection plate (21), and the top of the protection plate (263) is slidably connected to the bottom of the support base (27).

4. A height measuring instrument for measuring the height of a tree using geometric principles according to claim 1, characterized in that: The adjustment mechanism (23) includes an adjustment sleeve (231) and a circular plate (232), the top of the adjustment sleeve (231) is rotationally connected by threads to the bottom of the fixing frame (22), the bottom of the circular plate (232) is fixedly connected to the bottom of the connection block (24), vertical grooves (235) are opened on both sides of the adjustment sleeve (231), transverse grooves (236) are evenly opened on the side surface of the adjustment sleeve (231), the transverse grooves (236) communicate with the vertical grooves (235), an adjustment rod (233) is fixedly connected to the top of the circular plate (232), an adjustment block (234) is fixedly connected to the top of the adjustment rod (233), and the side surface of the adjustment block (234) is in contact with the inner sides of the vertical grooves (235) and the transverse grooves (236).

5. The height measuring instrument for measuring the height of a tree using geometric principles according to claim 1, wherein: The connecting mechanism (25) includes two connecting shafts (251). The top of the connecting shaft (251) is fixedly connected to the bottom of the connecting block (24). Circular holes (252) are evenly formed in the side surface of the connecting shaft (251), and the circular holes (252) penetrate through the side surface of the connecting shaft (251). A limiting component (253) is fixedly connected to the inner side of the connecting block (24), and the side surface of the connecting shaft (251) is slidably connected to the inner side of the limiting component (253).

6. The height measuring instrument for measuring the height of a tree using geometric principles according to claim 5, characterized in that: The limiting component (253) includes a limiting cylinder (2531). A magnet block (2532) is fixedly connected to the side surface of the limiting cylinder (2531). A limiting plate (2533) is fixedly connected to the side of the limiting cylinder (2531) away from the magnet block (2532). A guiding rod (2534) is slidably connected to the inner side of the limiting plate (2533). A limiting block (2535) is fixedly connected to one end of the guiding rod (2534), and an extrusion plate (2536) is fixedly connected to the other end of the guiding rod (2534). A first spring (2537) is sleeved on the guiding rod (2534). A magnet plate (2539) is fixedly connected to the side of the limiting plate (2533) close to the guiding rod (2534). Sucker grooves (2538) are evenly formed in the side of the limiting cylinder (2531) close to the extrusion plate (2536).

7. The altimeter for measuring tree height using geometric principles according to claim 6, characterized in that: The side surface of the limiting cylinder (2531) is fixedly connected to the inner side of the connecting block (24). One end of the first spring (2537) is fixedly connected to the extrusion plate (2536), and the other end of the first spring (2537) is fixedly connected to the limiting plate (2533).

8. The height measuring device for measuring the height of a tree using geometric principles according to claim 1, characterized in that: The cleaning mechanism (28) includes a cleaning housing (281). The top of the cleaning housing (281) is fixedly connected to the bottom of the connecting plate (21), and the bottom of the cleaning housing (281) is fixedly connected to the top of the support base (27). A contact component (282) is fixedly connected to the inner side of the cleaning housing (281).

9. The height measuring device for measuring the height of a tree using geometric principles according to claim 8, characterized in that: The contact component (282) includes a contact plate (2821). The side surface of the contact plate (2821) is fixedly connected to the inner wall of the cleaning housing (281). Sliding grooves (2822) are evenly formed in the top of the contact plate (2821). A sliding block (2823) is slidably connected to the inner side of the sliding groove (2822). A connecting rod (2824) is slidably connected to the inner side of the sliding block (2823). A second spring (2825) is sleeved on the connecting rod (2824). A scraping plate (2826) is fixedly connected to the bottom of the sliding block (2823). Circular grooves (2828) are formed on both the upper and lower sides of the scraping plate (2826). Material dropping grooves (2827) are evenly formed in the side surface of the scraping plate (2826).

10. The altimeter for measuring the height of a tree using geometric principles according to claim 9, characterized in that: The top of the connecting rod (2824) is fixedly connected to the bottom of the contact plate (2821). The top of the second spring (2825) is fixedly connected to the bottom of the contact plate (2821), and the bottom of the second spring (2825) is fixedly connected to the inner side of the sliding block (2823). One side of the scraping plate (2826) away from the blanking chute (2827) is in contact with the side surface of the support rod (29).

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