CN113091568B

CN113091568B - Measurement ring for conveniently and accurately monitoring growth of diameter at breast height of forest

Info

Publication number: CN113091568B
Application number: CN202110394215.6A
Authority: CN
Inventors: 薛联凤; 李冬妮; 李双娴
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2023-02-10
Anticipated expiration: 2041-04-13
Also published as: CN113091568A

Abstract

The invention discloses a measuring ring for conveniently and accurately monitoring the breast diameter growth of a forest, which comprises a bottom ring, a measuring ring and a fixing assembly, wherein the bottom ring comprises an arc-shaped fixing ring, fixing buckles, an elastic piece A, a connecting spring, an inner ring and an elastic piece B, the two ends of the fixing ring, which are not closed, are respectively provided with the fixing buckles, the elastic piece A is connected between the two fixing buckles, the inner side wall of the fixing ring is fixedly connected with the arc-shaped inner ring through the connecting spring, and the two ends of the elastic piece B are respectively and fixedly connected with two points which are arranged on the inner ring and have a proper distance. The device can detect the forest for a long time by matching the bottom ring and the measuring ring, ensures the accuracy of measured data, effectively avoids data errors caused by manual operation, can measure the breast diameter of the forest by two methods at the same time, has more accurate measuring result, has more practicability than the result obtained by single measurement, and is convenient for operators to record, observe and research.

Description

Measurement ring for conveniently and accurately monitoring growth of diameter at breast height of forest

Technical Field

The invention relates to the technical field of forest measurement, in particular to a measuring ring for conveniently and accurately monitoring the growth of the breast height of a forest.

Background

The breast diameter is one of the most basic factors for measuring the breast height diameter, the trunk diameter above the ground is equivalent to the diameter of the breast height part of a common adult, the height of people is different, the specific height of the breast height is uniformly specified in one country and is not consistent in different countries, the breast height position of China and most countries is determined to be a height of three meters above the ground, the standard height is a more convenient height for the common adult to measure the reading by using a wheel ruler, robust trees are mostly ancient trees with the length of mulberry, the measurement and evaluation of forest accumulation, biomass, growth condition and the like in field survey are carried out based on the breast diameter of the trees, the measurement of the breast diameter growth quantity of the trees is generally measured by using a breast diameter flexible ruler or a wheel ruler, the growth condition of the trees is monitored mainly by taking one person as a time unit for researching the growth of the trees under different conditions, the same tree needs to be measured in one year or more years, the breast diameter and the growth quantity of the trees are measured by using a vernier ruler or a computer, and the data of the breast diameter and the growth quantity can be recorded.

At present, most methods for measuring the breast diameter growth of forest trees use a breast diameter ruler or a vernier caliper, when the breast diameter ruler is used, the breast diameter ruler is tensioned and flatly enclosed by a trunk to read, the breast diameter ruler is enclosed on the same horizontal plane, otherwise, a large error is easy to generate, and the breast diameter ruler is manually enclosed by a circle, so that the situation that the breast diameter ruler is not on the same horizontal plane is easy to occur, the accuracy of data is influenced, most of the existing measuring devices are single in function, and the practicability is low.

Therefore, it is necessary to provide a measuring ring for conveniently and accurately monitoring the growth of the breast diameter of the forest to solve the technical problems.

Disclosure of Invention

The invention aims to provide a measuring ring for conveniently and accurately monitoring the growth of the breast height of a forest tree, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a measurement ring that convenient accurate monitoring forest breast diameter is grown, includes end ring, measurement ring and fixed subassembly, end ring includes circular-arc solid fixed ring, fixed knot, elastic component A, coupling spring, inner ring and elastic component B, and gu the not closed both ends of fixed ring are equipped with fixed knot respectively, two be connected with elastic component A between the fixed knot, gu fixed ring's inside wall passes through the circular-arc inner ring of coupling spring fixedly connected with, elastic component B both ends difference fixed connection two points at an appropriate distance apart on the inner ring, the even fixedly connected with spliced pole in top of inner ring, the inner ring pass through the spliced pole with measure the bottom fixed connection of ring.

Preferably, the measuring ring comprises an arc-shaped scale ring, a buckle, a measuring belt, a rotating shaft and an elastic part C, a pair of buckles is symmetrically arranged on the inner side wall of the scale ring, one end of the measuring belt is fixedly connected with the inner side wall of the scale ring, the other end of the measuring belt is uniformly wound on the rotating shaft and fixedly connected with the rotating shaft, the rotating shaft is placed in a groove which is formed in the scale ring and matched with the scale ring, the measuring belt is attached to the inner side wall of the scale ring through the buckle, and two ends of the elastic part C are respectively fixedly connected with two points which are spaced at a proper distance on the inner ring.

Preferably, fixed subassembly includes fixing base, threaded rod and briquetting, fixing base fixed connection in solid fixed ring's top, be equipped with on the fixing base with threaded rod assorted jack, be equipped with the threaded rod in the jack, the bottom fixedly connected with briquetting of threaded rod, the briquetting contacts with the lateral wall of scale ring.

Preferably, the top bilateral symmetry of scale ring is provided with a pair of fixed chi, two distance between the fixed chi equals the diameter of scale ring, the front end of right side fixed chi is provided with the belt loop, the right flank fixedly connected with dipperstick of left side fixed chi, the other end of dipperstick passes through the belt loop and is connected with the right side fixed chi.

Preferably, the number of the connecting springs is at least four, and the size of the inner ring is completely consistent with that of the scale ring.

Preferably, the fixing seat is L-shaped, and the number of the fixing assemblies is at least three and is uniformly distributed on the top of the fixing ring.

Preferably, the number of the connecting columns is at least four, the inner ring is provided with a fixing hole matched with the elastic piece B, and the scale ring is provided with a fixing hole matched with the elastic piece C.

Preferably, the buckle is made of a very light and thin material, and specifically, the buckle can be made of an ultrathin plastic sheet.

Compared with the prior art, the invention has the beneficial effects that: through fixing measuring ring and bottom ring on the trees that need the measurement, then operating personnel fixes the measuring band tensioning of one end at scale intra-annular wall and around scale intra-annular wall round, place the measuring band and carry on spacingly in the buckle, the other end winding of measuring band is in the pivot, and place the pivot in the recess that matches with the pivot on the scale ring, can observe the breast diameter of measuring trees through the scale on the measuring band this moment, guarantee through fixed subassembly that the scale ring laminates completely and measures the forest, because the scale ring is convex, and the measuring band is that the scale ring is placed of laminating, so the measuring band must be on same horizontal plane, can not produce the error because of the slope, the accuracy of measured data has been guaranteed, and this device can fix on the forest for a long time, make the device can detect the forest for a long time, and avoided the error that different operating personnel operation may produce, fixed effectual, long service life, simultaneously, because the distance between two fixed rulers equals the diameter of scale ring, the scale ring is completely laminated on measuring the forest, so the distance between two fixed rulers equals the diameter of measuring, can be equal to the measuring scale once more the measuring scale, the operation scale can be more convenient for the tree operation scale, the bust diameter is more the measuring result is more the study method, the breast diameter is more accurate than the measuring result, the tree can be obtained with the study method.

Drawings

FIG. 1 is a schematic structural diagram of a measuring ring for conveniently and accurately monitoring the growth of the breast height of a forest tree according to a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the retaining ring of FIG. 1;

FIG. 3 is a schematic top view of the measurement ring of FIG. 2;

FIG. 4 is a schematic top view of the measuring ring shown in FIG. 1 for conveniently and accurately monitoring the growth of the breast height of the forest.

In the figure: 1. a fixing ring; 2. a fixing buckle; 3. an elastic member A; 4. a connecting spring; 5. an inner ring; 6. connecting columns; 7. an elastic member B; 8. a scale ring; 9. buckling; 10. a measuring band; 11. a rotating shaft; 12. an elastic member C; 13. fixing a ruler; 14. a belt loop; 15. measuring a scale; 16. a fixed seat; 17. a threaded rod; 18. and (7) briquetting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a convenient accurate monitoring forest breast footpath growth's measurement ring, includes end ring, measurement ring and fixed subassembly, the end ring includes circular-arc solid fixed ring 1, fixed knot 2, elastic component A3, coupling spring 4, inner ring 5 and elastic component B7, and gu fixed ring 1 not closed both ends are equipped with fixed knot 2 respectively, two gu be connected with elastic component A3 between the knot 2, gu fixed ring 1's inside wall passes through the circular-arc inner ring 5 of coupling spring 4 fixedly connected with, elastic component B7 both ends are fixed connection respectively apart from suitable distance two points on the inner ring 5, the even fixedly connected with spliced pole 6 in top of inner ring 5, inner ring 5 through spliced pole 6 with the bottom fixed connection of measurement ring, the material of inner ring 5, scale ring 8 and solid fixed ring 1 is elastic plastic, and the material of dipperstick 15 is ultra-thin stainless steel sheet.

The measuring ring comprises an arc-shaped scale ring 8, buckles 9, a measuring belt 10, a rotating shaft 11 and an elastic part C12, wherein a pair of buckles 9 is symmetrically arranged on the inner side wall of the scale ring 8, one end of the measuring belt 10 is fixedly connected with the inner side wall of the scale ring 8, the other end of the measuring belt 10 is uniformly wound on the rotating shaft 11 and fixedly connected with the rotating shaft 11, the rotating shaft 11 is placed in a groove which is formed in the scale ring 8 and matched with the rotating shaft, the measuring belt 10 is attached to the inner side wall of the scale ring 8 through the buckles 9, and two ends of the elastic part C12 are respectively fixedly connected with two points which are separated by a proper distance on the inner ring 5.

Fixed subassembly includes fixing base 16, threaded rod 17 and briquetting 18, fixing base 16 fixed connection in gu the top of fixed ring 1, be equipped with on the fixing base 16 with 17 assorted jacks of threaded rod, be equipped with threaded rod 17 in the jack, the bottom fixedly connected with briquetting 18 of threaded rod 17, briquetting 18 contacts with the lateral wall of scale ring 8.

The top bilateral symmetry of scale ring 8 is provided with a pair of fixed chi 13, two distance between the fixed chi 13 equals the diameter of scale ring 8, the front end of right side fixed chi 13 is provided with the belt loop 14, the right flank fixedly connected with dipperstick 15 of left side fixed chi 13, the other end of dipperstick 15 passes through the belt loop 14 and is connected with right side fixed chi 13.

The number of the connecting springs 4 is at least four, and the size of the inner ring 5 is completely consistent with that of the scale ring 8.

The fixing base 16 is in an L shape, and the number of the fixing components is at least three and is uniformly distributed on the top of the fixing ring 1.

The quantity of spliced pole 6 is four at least, set up on the inner ring 5 with elastic component B7 assorted fixed orifices, set up elastic component C12 assorted fixed orifices on the scale ring 8.

The buckle 9 is made of a very light and thin material, and specifically can be an ultrathin plastic sheet.

The working principle is as follows: when the tree diameter measuring device is used by an operator, the fixing ring and the measuring ring are sleeved on a measuring forest, then the fixing ring and the measuring ring are fixed through the elastic piece A3, the elastic piece B7 and the elastic piece C12, the elastic piece A3, the elastic piece B7 and the elastic piece C12 are in a stretching state, then the operator can tighten the measuring belt 10 with one end fixed on the inner side wall of the scale ring 8 and surround the inner side wall of the scale ring 8 for a circle, the measuring belt 10 is placed in the buckle 9 for limiting, the other end of the measuring belt 10 is wound on the rotating shaft 11, the rotating shaft 11 is placed in a groove which is matched with the rotating shaft 11 on the scale ring 8, at the moment, the breast diameter of the measuring tree can be observed through the scale on the measuring belt 10, meanwhile, screw threaded rod 17 and can drive briquetting 18 and compress tightly scale ring 8, guarantee that scale ring 8 laminates completely and measures the forest, because scale ring 8 is arc, and measure area 10 and laminate scale ring 8 and place, so measure area 10 and certainly be on same horizontal plane, can not produce the error because of the slope, and simultaneously, because the distance between two fixed rulers 13 is equal to the diameter of scale ring 8, scale ring 8 laminates completely on measuring the forest, so the distance between two fixed rulers 13 is equal to the breast height of measuring the tree, dipperstick 15 can be to the breast height remeasurement of tree, when the forest is grown, dipperstick 15 and measurement area 10 all can be along with the growth of forest and update data.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a measurement ring that convenient accurate monitoring forest breast height diameter is grown, includes end ring, measurement ring and fixed subassembly, its characterized in that: the bottom ring comprises an arc-shaped fixing ring (1), fixing buckles (2), an elastic part A (3), a connecting spring (4), an inner ring (5) and an elastic part B (7), the two ends of the fixing ring (1) which are not closed are respectively provided with the fixing buckles (2), the elastic part A (3) is connected between the two fixing buckles (2), the inner side wall of the fixing ring (1) is fixedly connected with the arc-shaped inner ring (5) through the connecting spring (4), the two ends of the elastic part B (7) are respectively and fixedly connected with two points which are separated by a proper distance on the inner ring (5), the top of the inner ring (5) is uniformly and fixedly connected with a connecting column (6), and the inner ring (5) is fixedly connected with the bottom of the measuring ring through the connecting column (6);

the measuring ring comprises an arc-shaped scale ring (8), buckles (9), a measuring belt (10), a rotating shaft (11) and an elastic part C (12), a pair of buckles (9) is symmetrically arranged on the inner side wall of the scale ring (8), one end of the measuring belt (10) is fixedly connected with the inner side wall of the scale ring (8), the other end of the measuring belt (10) is uniformly wound on the rotating shaft (11) and is fixedly connected with the rotating shaft (11), the rotating shaft (11) is placed in a groove which is formed in the scale ring (8) and matched with the rotating shaft, the measuring belt (10) is attached to the inner side wall of the scale ring (8) through the buckles (9), and two ends of the elastic part C (12) are respectively and fixedly connected with two points which are spaced at a proper distance on the inner ring (5);

the fixing component comprises a fixing seat (16), a threaded rod (17) and a pressing block (18), the fixing seat (16) is fixedly connected to the top of the fixing ring (1), an insertion hole matched with the threaded rod (17) is formed in the fixing seat (16), the threaded rod (17) is arranged in the insertion hole, the pressing block (18) is fixedly connected to the bottom end of the threaded rod (17), and the pressing block (18) is in contact with the outer side wall of the scale ring (8);

the top bilateral symmetry of scale ring (8) is provided with a pair of fixed chi (13), two distance between fixed chi (13) equals the diameter of scale ring (8), the front end of right side fixed chi (13) is provided with tong "pan" (14), the right flank fixedly connected with dipperstick (15) of left side fixed chi (13), the other end of dipperstick (15) passes through tong "pan" (14) and is connected with right side fixed chi (13).

2. The measuring ring for conveniently and accurately monitoring the growth of the breast height of the forest according to claim 1, is characterized in that: the number of the connecting springs (4) is at least four, and the size of the inner ring (5) is completely consistent with that of the scale ring (8).

3. The measuring ring for conveniently and accurately monitoring the growth of the breast height of the forest according to claim 1, is characterized in that: the shape of fixing base (16) is "L" type, fixed subassembly quantity is three at least and evenly distributed in the top of solid fixed ring (1).

4. The measuring ring for conveniently and accurately monitoring the growth of the breast height of the forest according to claim 1, is characterized in that: the quantity of spliced pole (6) is four at least, seted up on inner ring (5) with elastic component B (7) assorted fixed orifices, elastic component C (12) assorted fixed orifices has been seted up on scale ring (8).

5. The measuring ring for conveniently and accurately monitoring the growth of the breast height of the forest according to claim 1, is characterized in that: the buckle (9) is made of a very light and thin material, and particularly is an ultrathin plastic sheet.