CN113587825B - Tree height measuring device and using method - Google Patents
Tree height measuring device and using method Download PDFInfo
- Publication number
- CN113587825B CN113587825B CN202110878797.5A CN202110878797A CN113587825B CN 113587825 B CN113587825 B CN 113587825B CN 202110878797 A CN202110878797 A CN 202110878797A CN 113587825 B CN113587825 B CN 113587825B
- Authority
- CN
- China
- Prior art keywords
- tree
- measuring
- optical fiber
- frame
- clamping piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 8
- 230000006698 induction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- CLOMYZFHNHFSIQ-UHFFFAOYSA-N clonixin Chemical compound CC1=C(Cl)C=CC=C1NC1=NC=CC=C1C(O)=O CLOMYZFHNHFSIQ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a tree height measuring device, which comprises: the tree height measuring device comprises a supporting base, a vertical sliding rod, an optical fiber sensor, a movable frame, a measuring frame, a rope body, an elastic block and the like, wherein the radius difference of a plurality of groups of trees with equal distances can be measured at one time, and then the heights of the trees can be obtained rapidly by utilizing a corresponding calculation formula. In order to solve the region that prior art was concentrated in mountain or trees relatively, receive geographical position and leaf to shelter from the restriction, hardly measure the height of trees, even can measure the height of partial trees, still need the measurer to run back and forth to different positions and carry out the problem of measurement.
Description
Technical Field
The invention relates to a tree height measuring device and a using method thereof, and belongs to the technical field of forestry.
Background
Forestry refers to a production department which protects the ecological environment, maintains ecological balance, cultivates and protects forests to obtain wood and other forest products and utilizes the natural characteristics of the forests to play a role in protection, is one of important components of national economy, and is provided with a special statistics department for counting the circumference of the trees, the diameters of the trees and the heights of the trees, so that data capable of accurately analyzing and managing the forestry are obtained.
Traditional tree height measuring device relies on optics distancer to measure the height of trees entirely, but in mountain or the region that trees are more concentrated, receive the restriction that geographic position (the altitude difference that the measurement was based on in the distance) and leaf shelter from, hardly measure the height of trees, even can measure the height of some trees, still need the measurer run back and forth to different positions and measure.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a tree height measuring device and a using method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a tree height measuring device comprising: the inner side surface of the support base is provided with a concave arc surface;
the bottom end of the vertical sliding rod is fixedly connected to the upper surface of the supporting base 1;
further comprises:
the optical fiber sensors are 4-8 in number and are vertically distributed on the side face of the vertical sliding rod at equal intervals;
the movable frame is connected to the side face of the vertical sliding rod in a sliding manner, and the inner side of the movable frame is provided with a concave arc-shaped face;
the end parts of the measuring frames are connected with the inner side faces of the movable frames in a hinge mode, and the number of the measuring frames is two and is close to two ends of the movable frames;
the two ends of the rope body are respectively and movably connected with the end parts of the two measuring frames;
the elastic block is arranged on the inner side of the gap, the inner side of the movable frame is fixedly connected with the elastic block, and a pressure sensor is arranged at the joint;
the clamping piece, the installation notch has been seted up to the side of vertical slide bar, the installation notch is located the top of an optical fiber sensor in top, the clamping piece is located the inside of installation notch and through pin swing joint, be provided with the spring between the medial surface of clamping piece and installation notch, the spring sets up the top at the pin.
As a further description of the above technical solution, further including:
the inner rib is arranged in a fan ring shape and fixedly connected to the top of the support base, and is close to the inner side edge of the support base;
the reinforcing ribs are fixedly connected between the supporting base and the inner side ribs, and the reinforcing ribs are provided with two groups of symmetrical arranged on two sides of the vertical sliding rod.
As a further description of the above technical solution, further including:
the annular seat, annular seat fixed connection is at the back of adjustable shelf, annular seat cover is established in the side of vertical slide bar, the arc breach has all been seted up to the inboard of adjustable shelf and be close to both ends, the inside fixedly connected with adjustable seat of arc breach, the cell type hole has been seted up at the back of adjustable shelf.
As a further description of the above technical solution:
a connecting seat is arranged at one end part of the measuring frame, the connecting seat is movably connected with the movable seat through a pin shaft, a connecting strip is arranged at the other end part of the measuring frame, a guide rod is fixedly connected with the outer side surface of the measuring frame, and the outer end of the guide rod penetrates through the groove-shaped hole;
the inner side surface of the measuring frame is provided with a mounting hole, the inner side of the mounting hole is movably connected with a rotating wheel, and the central shaft of the rotating wheel is perpendicular to the vertical sliding rod.
As a further description of the above technical solution:
the utility model discloses a rope, including rope body, first connecting block, second connecting block, U type frame, connecting bar, screw thread post and screw hole screw fit, the outer terminal surface of first connecting block is provided with the screw hole, first connecting block is inlayed in the inside of rope body to be provided with the antiskid piece, first connecting block outer end threaded connection has the second connecting block, one end of second connecting block is provided with the screw thread post, screw thread post and screw hole screw fit, another end fixedly connected with U type frame of second connecting block, U type frame cover is on the connecting bar.
As a further description of the above technical solution:
further comprises:
the central processing unit is electrically connected with the pressure sensor and the optical fiber sensor, is externally connected with a display screen, and sends out an induction instruction to control the central processing unit to read the numerical value of the pressure sensor and display the processed numerical value through the display screen.
As a further description of the above technical solution:
the outer side face of the clamping piece is provided with a notch, and the top end of the clamping piece extends out of the mounting notch to be fixedly connected with a nose bridge.
The invention provides a tree height measuring method, which comprises the following steps:
the inner ribs on the inner side of the support base are leaned against the side surfaces of the trees, and the bottom surface of the support base is contacted with the ground or the measurement reference surface;
sliding the movable frame to the upper part to clamp the annular seat at the notch of the clamping piece;
connecting the rope body to enable the measuring rack to be held on the side face of the tree;
pressing down the nose bridge to enable the clamping piece to shrink inwards, and enabling the annular seat to slide downwards without the limitation of the clamping piece;
wherein, when sliding downwards in the step, the annular seat covers the optical fiber sensor from top to bottom in sequence, and when the optical fiber sensor senses a signal, the pressure is triggeredThe sensor detects the primary force F to obtain data F 1 、F 2 、F 3 、F 4 、F 5 、F 6 ；
Obtaining the height of the tree:
wherein D is the diameter of the bottom tree; d is a fixed value; Δh is the distance between two adjacent optical fiber sensors 3; t (F) is the tree radius variation delta R and F of two adjacent measuring points 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is a function of (2).
Preferably, d has a value of 10-20cm.
Preferably, the tree radius change amount delta R of two adjacent measuring points:
wherein F is 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is the measurement value of the pressure sensor 7; k is the elastic coefficient of the elastic block; r is the radius of the height of the tree measuring point.
The beneficial effects of the invention are as follows: compared with the prior art
1) The tree height measuring device is provided with the vertical sliding rod, the movable frame and the measuring frame structure, the elastic block and the pressure sensor are arranged between the movable frame and the measuring frame, the elastic block is propped against the outer side of the tree height measuring device, the distance between the stress size F of the elastic block and the length a of the elastic block is related (actually, the change amount of the length of the elastic block is in direct proportion to the stress size F, the elastic coefficient of the elastic block and the original length are both known values), the distance between the radius of the movable frame and the radius of the tree can be approximately equal to the length a of the elastic block, so that the stress size F of the elastic block can be measured to calculate the radius of the height of the tree, the distance between the height of a measuring point and the height of the next N measuring points can be directly obtained through a plurality of pressure sensors which are arranged at equal intervals, then the height of the whole tree can be conveniently measured by utilizing a formula, compared with the existing measuring method adopting an optical distance sensor, the tree height measuring device has obvious practicability, the problems that the tree height of measuring light can not be relatively heavy to the measuring position, the tree can not be calculated to the measuring point, and the tree height of the tree can be measured at a great distance from the measuring area or the place where the tree is required to be measured at a right angle;
2) The inner side of the support base is provided with the inner side ribs, the inner side surfaces of the inner side ribs are attached to the surface of the tree when the support base is used, and the reinforcing ribs increase the connection strength between the inner side ribs and the support base plate;
3) The annular seat is arranged on the back of the annular seat, and can be matched with the vertical sliding rod to drive the movable frame to slide up and down, and the sliding is stable;
4) The guide rod structure is arranged on the back of the measuring frame and can be matched with the groove-shaped hole, when the measuring frame is used, the measuring frame is subjected to upward friction force, the guide rod can increase the upward bending resistance of the measuring frame, the structural strength of the measuring frame is increased, and the groove-shaped hole is in a long groove shape and does not influence the hinge opening and closing movement of the measuring frame;
5) According to the tree measuring device, the rope body is arranged, the two ends of the rope body are detachably connected with the measuring frame, and an annular ring is formed between the rope body and the measuring frame and is held around a tree when the tree measuring device is used, so that the measuring frame is prevented from being opened outwards during measurement, and the measuring result is prevented from being influenced;
6) The tree diameter value can be directly obtained after a formula is input by arranging the central processing unit and the display screen structure, so that the tree diameter value is very convenient to use;
7) The annular seat is provided with the clamping piece structure, when moving to the upper part (moving to the inner side of the notch), the annular seat can be clamped by the clamping piece, the movable frame does not need to be manually supported (the movable frame can be automatically slid down under the action of gravity if the movable frame does not exist and can be fixed by people after being supported), and after the rope body is connected, the clamping piece can be retracted by pressing the nose bridge part, so that the movable frame is slid down;
8) The invention provides a method for measuring the height of trees by using the device, and provides a calculation formula of a measurement result;
interpretation of the formula:for the measured taper value of the tree surface (the trunk of the tree is simplified into a round table with a certain taper), namely the ratio of the height of two adjacent measuring points of the tree to the radius difference;
9) The tree radius delta R is as follows:
interpretation of the formula: the elongation of the elastic blocks at two adjacent measuring points, namely the ratio of the variation of the measured value F to the elastic block K, is measured to obtain 6 groups of data, and the data are processed by adopting the formula, so that the measuring error is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at B;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a schematic diagram of the front structure of the present invention
FIG. 6 is a schematic side view of the present invention;
FIG. 7 is a schematic view of a connector structure according to the present invention;
FIGS. 8-10 are schematic illustrations of methods of use of the present invention;
fig. 11 is a circuit connection block diagram of the present invention.
Legend description:
1. a support base; 101. an inner rib; 102. reinforcing ribs; 2. a vertical slide bar; 3. an optical fiber sensor; 4. a movable frame; 401. an arc-shaped notch; 402. a movable seat; 403. a slot-shaped hole; 404. an annular seat; 5. a measuring rack; 501. a mounting hole; 502. a rotating wheel; 503. a guide rod; 504. a connecting strip; 505. a connecting seat; 6. a rope body; 601. a first connection block; 6011. an anti-slip member; 602. a second connection block; 6021. a threaded column; 603. a U-shaped frame; 7. a pressure sensor; 8. a mounting notch; 9. a clamping piece; 901. a notch; 902. a nose bridge; 10. a spring; 11. an elastic block; 12. and a central processing unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 11, the present invention provides a tree height measuring apparatus, comprising: the support base 1, the inner side surface of the support base 1 is provided with a concave arc surface;
the bottom end of the vertical sliding rod 2 is fixedly connected to the upper surface of the supporting base 1;
further comprises:
the number of the optical fiber sensors 3 is 4-8, the optical fiber sensors 3 are vertically and equidistantly distributed on the side face of the vertical sliding rod 2, the optical fiber sensors 3 are intensity modulation type sensors, when the optical fiber sensors 3 are shielded by the annular seat 404, an induction signal is sent out, and the numerical value of the pressure sensor 7 is controlled to be obtained;
the movable frame 4 is connected to the side face of the vertical sliding rod 2 in a sliding manner, and the inner side of the movable frame 4 is provided with a concave arc face;
the end parts of the measuring frames 5 are connected with the inner side surfaces of the movable frames 4 in a hinge mode, and two measuring frames 5 are arranged and close to the two ends of the movable frames 4;
the two ends of the rope body 6 are respectively and movably connected with the end parts of the two measuring frames 5;
an elastic block 11, a crescent gap is formed between the inner side surface of the movable frame 4 and the back surface of the measuring frame 5, the elastic block 11 is positioned at the inner side of the gap, the inner side surface of the movable frame 4 is fixedly connected with the elastic block 11, and a pressure sensor 7 is arranged at the joint;
the clamping piece 9, the installation notch 8 has been seted up to the side of vertical slide bar 2, installation notch 8 is located the top of the top one optical fiber sensor 3, the clamping piece 9 is located the inside of installation notch 8 and through pin swing joint, be provided with spring 10 between the medial surface of clamping piece 9 and installation notch 8, spring 10 sets up the top at the pin.
Further comprises:
the inner rib 101 is in a fan ring shape, the inner rib 101 is fixedly connected to the top of the support base 1, and the inner rib 101 is close to the inner side edge of the support base 1;
the reinforcing ribs 102 are fixedly connected between the supporting base 1 and the inner side ribs 101, and the reinforcing ribs 102 are provided with two groups of symmetrical arranged on two sides of the vertical sliding rod 2.
Further comprises:
the annular seat 404, annular seat 404 fixed connection is at the back of adjustable shelf 4, annular seat 404 cover is established in the side of vertical slide bar 2, arc breach 401 has all been seted up to the inboard of adjustable shelf 4 and near both ends, the inside fixedly connected with adjustable seat 402 of arc breach 401, slot type hole 403 has been seted up at the back of adjustable shelf 4.
A connecting seat 505 is arranged at one end of the measuring frame 5, the connecting seat 505 is movably connected with the movable seat 402 through a pin shaft, a connecting strip 504 is arranged at the other end of the measuring frame 5, a guide rod 503 is fixedly connected with the outer side surface of the measuring frame 5, and the outer end of the guide rod 503 passes through the groove-shaped hole 403;
the inner side surface of the measuring frame 5 is provided with a mounting hole 501, the inner side of the mounting hole 501 is movably connected with a rotating wheel 502, and the central shaft of the rotating wheel 502 is perpendicular to the vertical sliding rod 2.
The two ends of the rope body 6 are respectively provided with a first connecting block 601, the outer end face of the first connecting block 601 is provided with a threaded hole, the first connecting block 601 is inlaid in the rope body 6 and is provided with an anti-skid member 6011, the outer end of the first connecting block 601 is in threaded connection with a second connecting block 602, one end of the second connection block 602 is provided with a threaded column 6021, the threaded column 6021 is in threaded fit with the threaded hole, the other end of the second connection block 602 is fixedly connected with a U-shaped frame 603, and the U-shaped frame 603 is sleeved on the connection strip 504.
Further comprises: the central processing unit 12, the central processing unit 12 is electrically connected with the pressure sensor 7 and the optical fiber sensor 3, the central processing unit 12 is externally connected with a display screen, the optical fiber sensor 3 sends out an induction instruction, and the central processing unit 12 is controlled to read the numerical value of the pressure sensor 7 and display the processed numerical value through the display screen.
The outer side of fastener 9 is provided with notch 901, the top of fastener 9 stretches out mounting notch 8 fixedly connected with bridge of the nose 902.
The invention provides a using method of a tree height measuring device, which comprises the following steps of:
step 1, an inner rib 101 on the inner side of a support base 1 is leaned against the side surface of a tree, and the bottom surface of the support base 1 is contacted with the ground or a measurement reference surface;
step 2, sliding the movable frame 4 to the upper part to clamp the annular seat 404 at the notch 901 of the clamping piece 9;
step 3, connecting the rope body 6 to enable the measuring frame 5 to be held on the side face of the tree;
step 4, pressing down the nose bridge 902 to shrink the clamping piece 9 inwards, and sliding the annular seat 404 downwards without the limitation of the clamping piece 9;
wherein, when sliding downwards in step 4, the annular seat 404 shields the optical fiber sensor 3 from top to bottom in sequence, and when the optical fiber sensor 3 senses a signal, the pressure sensor 7 is triggered to detect a primary force F to obtain data F 1 、F 2 、F 3 、F 4 、F 5 、F 6 ；
Obtaining the height of the tree:
wherein D is the diameter of the bottom tree; d is a fixed value; Δh is the distance between two adjacent optical fiber sensors 3; t (F) is the tree radius variation delta R and F of two adjacent measuring points 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is a function of (2).
The value of d is 10-20cm.
The tree radius change delta R of the two adjacent measuring points:
wherein F is 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is the measurement value of the pressure sensor 7; k is the elastic coefficient of the elastic block 11; r is the radius of the height of the tree measuring point.
The beneficial effects of the invention are as follows:
1) The invention is provided with a structure of a vertical slide bar 2, a movable frame 4 and a measuring frame 5, wherein the movable frame 4 and the measuring frame 5
The elastic block 11 and the pressure sensor 7 are arranged between the elastic block 11 and the tree, the inner side surface of the measuring frame 5 is attached to the tree when in measurement, the outer side is propped against the elastic block 11, the distance between the stress size F of the elastic block 11 and the length a of the elastic block 11 is related (actually, the change amount of the length of the elastic block 11 is in direct proportion to the stress size F, and the elastic coefficient of the elastic block 11 and the original length are all known values), the distance between the radius of the movable frame 4 and the radius of the tree can be approximately equal to the length a of the elastic block 11, thereby the stress size F of the elastic block 11 can be measured to calculate the radius of the height of the tree, the distance between the height of the measuring point and the heights of the next N measuring points can be directly obtained through a plurality of groups of pressure sensors 7 which are arranged at equal intervals, the invention can conveniently measure the height of the whole tree by utilizing a formula according to the characteristic that the trunk of the tree is gradually tapered upwards when the trunk is thick and gradually tapered upwards, has obvious practicability compared with the traditional measurement by adopting an optical distance sensor, solves the problems that some leaves are more luxuriant and measuring light cannot be used to the measuring position, and compared with the traditional method for calculating the height of the tree in a right triangle formed by utilizing the included angle of light of a measuring point and the distance of the measuring point from the tree, the method has the advantages of quick measurement, more labor saving and no need of a measurer to run back and forth for measurement, the measuring device can measure in any mountain area or more concentrated places of trees;
2) The inner side of the support base 1 is provided with the inner side ribs 101, when the support base is used, the inner side surfaces of the inner side ribs 101 are attached to the surface of a tree, and the reinforcing ribs 102 increase the connection strength between the inner side ribs 101 and the support base plate 1;
3) The back of the annular seat 404 is provided with the annular seat 404, the annular seat 404 can be matched with the vertical sliding rod 2 to drive the movable frame 4 to slide up and down, and the sliding is stable;
4) The guide rod 503 structure is arranged on the back of the measuring frame 5 and can be matched with the groove-shaped hole 403, when the measuring frame 5 is used, the guide rod 503 structure can increase the upward bending resistance of the measuring frame 5, the structural strength of the measuring frame 5 is increased, and the groove-shaped hole 403 is arranged in a long groove shape and does not influence the hinge opening and closing movement of the measuring frame 5;
5) According to the tree measuring device, the rope body 6 is arranged, two ends of the rope body are detachably connected with the measuring frame 5, a ring shape is formed between the rope body and the measuring frame 5 and is held around a tree when the tree measuring device is used, and the measuring frame 5 is prevented from being opened outwards during measurement, so that the measurement result is prevented from being influenced;
6) The invention can directly obtain the tree diameter value after inputting a formula by arranging the central processing unit 12 and the display screen structure, and is very convenient to use;
7) According to the invention, the clamping piece 9 is arranged, when the annular seat 404 moves to the upper side (moves to the inner side of the notch 901), the annular seat can be clamped by the clamping piece 9, the movable frame 4 does not need to be manually supported (the movable frame 4 can automatically slide downwards under the action of gravity if the movable frame 4 does not exist, a person is required to support the movable frame for fixing), after the rope body 6 is connected, the nose bridge 902 is pressed, and the clamping piece 9 can be retracted, so that the movable frame 4 slides downwards;
8) The invention provides a method for measuring the height of trees by using the device and a meter for providing a measurement result
A calculation formula;
interpretation of the formula:for the measured taper value of the tree surface (the trunk of the tree is simplified into a round table with a certain taper), namely the ratio of the height of two adjacent measuring points of the tree to the radius difference; 9) The tree radius deltar is:
interpretation of the formula: the elongation of the elastic block 11 of two adjacent measuring points, namely the ratio of the variation of the measured value F to the elastic block K, is measured to obtain 6 groups of data, and the data are processed by adopting the formula, so that the measuring error is reduced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. A tree height measuring device comprising: the support base (1), the medial surface of the support base (1) is set up as the concave arcuate surface;
the bottom end of the vertical sliding rod (2) is fixedly connected to the upper surface of the supporting base (1);
characterized by further comprising:
the optical fiber sensors (3), the number of the optical fiber sensors (3) is set to be 4-8, and the optical fiber sensors are vertically and equidistantly distributed on the side face of the vertical sliding rod (2);
the movable frame (4) is connected to the side face of the vertical sliding rod (2) in a sliding manner, and the inner side of the movable frame (4) is provided with a concave arc face;
the measuring frames (5) are hinged with the inner side surfaces of the movable frames (4), and two measuring frames (5) are arranged and close to the two ends of the movable frames (4);
the two ends of the rope body (6) are respectively and movably connected with the end parts of the two measuring frames (5);
the elastic block (11) is arranged between the inner side surface of the movable frame (4) and the back surface of the measuring frame (5) to form a crescent gap, the elastic block (11) is positioned at the inner side of the gap, the inner side surface of the movable frame (4) is fixedly connected with the elastic block (11), and a pressure sensor (7) is arranged at the joint;
the clamping piece (9), a mounting notch (8) is formed in the side face of the vertical sliding rod (2), the mounting notch (8) is located above the uppermost optical fiber sensor (3), the clamping piece (9) is located inside the mounting notch (8) and is movably connected through a pin, a spring (10) is arranged between the clamping piece (9) and the inner side face of the mounting notch (8), and the spring (10) is arranged above the pin;
the inner rib (101) is arranged in a fan ring shape, the inner rib (101) is fixedly connected to the top of the supporting base (1), and the inner rib (101) is close to the inner side edge of the supporting base (1);
the reinforcing ribs (102) are fixedly connected between the supporting base (1) and the inner side ribs (101), and the reinforcing ribs (102) are provided with two groups of symmetrical arranged on two sides of the vertical sliding rod (2);
the annular seat (404), annular seat (404) is fixedly connected at the back of movable frame (4), annular seat (404) cover is established in the side of vertical slide bar (2), arc breach (401) have all been seted up to the inboard of movable frame (4) and be close to both ends, the inside fixedly connected with movable seat (402) of arc breach (401), slot type hole (403) have been seted up at the back of movable frame (4);
a connecting seat (505) is arranged at one end part of the measuring frame (5), the connecting seat (505) is movably connected with the movable seat (402) through a pin shaft, a connecting strip (504) is arranged at the other end part of the measuring frame (5), a guide rod (503) is fixedly connected with the outer side surface of the measuring frame (5), and the outer end of the guide rod (503) penetrates through the groove-shaped hole (403);
the inner side surface of the measuring frame (5) is provided with a mounting hole (501), the inner side of the mounting hole (501) is movably connected with a rotating wheel (502), and the central shaft of the rotating wheel (502) is perpendicular to the vertical sliding rod (2);
the novel rope comprises a rope body (6), wherein first connecting blocks (601) are arranged at two ends of the rope body (6), threaded holes are formed in the outer end faces of the first connecting blocks (601), the first connecting blocks (601) are inlaid in the rope body (6) and are provided with anti-slip pieces (6011), second connecting blocks (602) are connected to the outer ends of the first connecting blocks (601) in a threaded mode, threaded columns (6021) are arranged at one end portions of the second connecting blocks (602), the threaded columns (6021) are in threaded fit with the threaded holes, U-shaped frames (603) are fixedly connected to the other end portions of the second connecting blocks (602), and the U-shaped frames (603) are sleeved on connecting strips (504);
further comprises:
the central processing unit (12), the said central processing unit (12) is connected with pressure sensor (7), optical fiber sensor (3) electrically, the said central processing unit (12) also connects with the display screen externally, the optical fiber sensor (3) sends out the inductive command, control the central processing unit (12) to read the numerical value of the pressure sensor (7), and display the numerical value after processing through the display screen;
the outer side surface of the clamping piece (9) is provided with a notch (901), and the top end of the clamping piece (9) extends out of the mounting notch (8) and is fixedly connected with a nose bridge (902);
the method for using the tree height measuring device comprises the following steps:
step 1, an inner rib (101) at the inner side of a support base (1) is leaned against the side surface of a tree, and the bottom surface of the support base (1) is contacted with the ground or a measurement reference surface;
step 2, sliding the movable frame (4) to the upper part, so that the annular seat (404) is clamped at the notch (901) of the clamping piece (9);
step 3, connecting a rope body (6) to enable the measuring frame (5) to be held on the side face of the tree;
step 4, pressing down the nose bridge (902) to enable the clamping piece (9) to shrink inwards, and enabling the annular seat (404) to be separated from the limit of the clamping piece (9) and slide downwards;
wherein, when the optical fiber sensor (3) is covered by the annular seat (404) from top to bottom in sequence when the optical fiber sensor (3) slides downwards in the step 4, when the optical fiber sensor (3) senses a signal, the pressure sensor (7) is triggered to detect the primary force F to obtain data F 1 、F 2 、F 3 、F 4 、F 5 、F 6 ；
Obtaining the height H of the tree:
wherein D is the diameter of the bottom tree; d is a fixed value; Δh is the distance between two adjacent optical fiber sensors (3); t (F) is the tree radius variation delta R and F of two adjacent measuring points 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is a function of (2).
2. The tree height measuring device according to claim 1, wherein: the value of d is 10-20cm.
3. The tree height measuring device according to claim 1, wherein: the tree radius change delta R of the two adjacent measuring points:
wherein F is 1 、F 2 、F 3 、F 4 、F 5 、F 6 Is a measurement value of the pressure sensor (7); k is the elastic coefficient of the elastic block (11); r is the radius of the height of the tree measuring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878797.5A CN113587825B (en) | 2021-08-02 | 2021-08-02 | Tree height measuring device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878797.5A CN113587825B (en) | 2021-08-02 | 2021-08-02 | Tree height measuring device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113587825A CN113587825A (en) | 2021-11-02 |
| CN113587825B true CN113587825B (en) | 2023-11-28 |
Family
ID=78253426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110878797.5A Active CN113587825B (en) | 2021-08-02 | 2021-08-02 | Tree height measuring device and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113587825B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006194691A (en) * | 2005-01-12 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Tree diameter measuring instrument |
| CN101226054A (en) * | 2008-01-08 | 2008-07-23 | 北京林业大学 | Method and device for automatic measurement of live stumpage tree diameter growth quantity real time |
| WO2010032495A1 (en) * | 2008-09-16 | 2010-03-25 | 株式会社アドイン研究所 | Tree information measuring method, tree information measuring device, and program |
| KR101625975B1 (en) * | 2015-01-08 | 2016-05-31 | 주식회사 아이씨엘 | Tree girth measuring device and tree monitoring system using the same |
| CN105783694A (en) * | 2016-04-22 | 2016-07-20 | 无锡职业技术学院 | Tree diameter at breast height automatic measurer |
| CN106123816A (en) * | 2016-06-03 | 2016-11-16 | 北京林业大学 | A kind of standing volume unrelated with seeds automatic accurate measurement method |
| CN111561873A (en) * | 2020-05-27 | 2020-08-21 | 南京林业大学 | Self-propelled seedling tree trunk phenotype information acquisition system and acquisition method thereof |
| CN111895886A (en) * | 2020-07-16 | 2020-11-06 | 上海辰山植物园 | Portable tree breast height diameter measuring device |
| CN113095571A (en) * | 2021-04-14 | 2021-07-09 | 河北农业大学 | Biomass model prediction method and system based on tree metabolic rate theory |
-
2021
- 2021-08-02 CN CN202110878797.5A patent/CN113587825B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006194691A (en) * | 2005-01-12 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Tree diameter measuring instrument |
| CN101226054A (en) * | 2008-01-08 | 2008-07-23 | 北京林业大学 | Method and device for automatic measurement of live stumpage tree diameter growth quantity real time |
| WO2010032495A1 (en) * | 2008-09-16 | 2010-03-25 | 株式会社アドイン研究所 | Tree information measuring method, tree information measuring device, and program |
| KR101625975B1 (en) * | 2015-01-08 | 2016-05-31 | 주식회사 아이씨엘 | Tree girth measuring device and tree monitoring system using the same |
| CN105783694A (en) * | 2016-04-22 | 2016-07-20 | 无锡职业技术学院 | Tree diameter at breast height automatic measurer |
| CN106123816A (en) * | 2016-06-03 | 2016-11-16 | 北京林业大学 | A kind of standing volume unrelated with seeds automatic accurate measurement method |
| CN111561873A (en) * | 2020-05-27 | 2020-08-21 | 南京林业大学 | Self-propelled seedling tree trunk phenotype information acquisition system and acquisition method thereof |
| CN111895886A (en) * | 2020-07-16 | 2020-11-06 | 上海辰山植物园 | Portable tree breast height diameter measuring device |
| CN113095571A (en) * | 2021-04-14 | 2021-07-09 | 河北农业大学 | Biomass model prediction method and system based on tree metabolic rate theory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113587825A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113587825B (en) | Tree height measuring device and using method | |
| CN204902813U (en) | Bearing slope nature check out test set | |
| CN108981543B (en) | Accurate caliber of No. five football diameters | |
| CN110501219A (en) | A kind of safe and high-precision concrete creep measuring system | |
| CN210689575U (en) | Tool for measuring upper and lower hinged supports | |
| CN211206481U (en) | Digital ion meter | |
| CN210982025U (en) | Concrete strength detection device for railway construction | |
| CN210212403U (en) | Wireless measurer for wheel set tread runout of vehicle | |
| CN209055095U (en) | A kind of cigarette material crimpness detection device | |
| DE20119468U1 (en) | gauge | |
| JPS6246201A (en) | Glasses frame measuring device | |
| CN111693378A (en) | Device for measuring Young modulus of metal wire | |
| CN213120480U (en) | Thickness detection equipment for engineering supervision | |
| CN218916207U (en) | Flatness measurement equipment for constructional engineering investigation | |
| CN217032444U (en) | Lithium battery pole piece arc height detection device | |
| CN220488715U (en) | Liquid level detection device | |
| CN217900670U (en) | Quick check out test set of auto parts | |
| CN217716459U (en) | Novel detection equipment support frame | |
| CN216205853U (en) | Composite material supporting rod sag detection device | |
| CN219368596U (en) | Highway surface course thickness check out test set | |
| CN211373688U (en) | Forestry information automatic monitoring device | |
| CN216205861U (en) | Length detection device for cylindrical part | |
| CN221225045U (en) | Test detection equipment of security protection probe product | |
| CN113091568B (en) | Measurement ring for conveniently and accurately monitoring growth of diameter at breast height of forest | |
| CN216246657U (en) | Transformer oil conservator oil level detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |