CN217110820U - A device for measuring diameter at breast height of standing wood - Google Patents

Abstract

The utility model discloses a found tree chest footpath measuring device, including measuring the ring, be provided with a plurality of roll measuring component on the measurement ring, be provided with the handle between the adjacent roll measuring component, handle and measurement ring fixed connection, it is provided with asymmetric found wood to measure the ring center. The beneficial effects of the utility model reside in that: the utility model discloses simple structure, the structure is clear understandable, through the simulation and the outer diameter line of standing tree chest footpath different proportions, realizes the measurement of opposition tree chest footpath, and measurement accuracy is high, and measurement convenient operation, efficient, the practicality is strong, is worth using widely.

Description

A standing tree diameter measuring device

technical field

The utility model relates to the technical field of measuring the diameter at breast height of a standing tree, in particular to a measuring device for the diameter at breast height of a standing tree.

Background technique

Standing tree diameter at breast height is an important indicator of standing tree growth, and it is of great significance in forest resources investigation. Simple, fast and accurate measurement and storage can not only reveal the growth law of standing trees, but also contribute to ecological research. However, the traditional measurement tools are mainly calipers, diameter measuring gages, etc., which have single functions and backward methods. Manual reading is not accurate enough, and the recorded data is error-prone, and it is difficult to store the data in time, etc., especially for asymmetric standing tree DBH The measurement of the measurement, the measurement data deviation is very large, which seriously restricts the forest resources investigation work, therefore, a standing tree diameter at breast height measurement device is needed.

Utility model content

The purpose of the utility model is to solve the defects existing in the prior art, and propose a standing tree diameter measuring device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A device for measuring diameter at breast height of a standing tree, comprising a measuring ring, on which several rolling measuring components are arranged, handles are arranged between adjacent rolling measuring components, and the handle is fixedly connected to the measuring ring, the The center of the measurement ring is provided with an asymmetric stand;

The rolling measurement assembly includes a pressing rod, which slides through the measuring ring, and a ball seat is fixedly connected to the end of the pressing rod close to the center of the measuring ring, and balls are installed on the ball seat. The end of the rod far away from the measuring ring is connected to a limiting plate, and an infrared range finder is installed on the limiting plate, and an infrared receiving rod is arranged on one side of the pressing rod, and the infrared receiving rod is fixedly arranged on the measuring ring, so A compression spring is sheathed on the outer surface of the pressure rod.

Further, there are eight sets of rolling measurement components installed on the measurement ring evenly.

Further, the limiting plate and the pressure rod are fixedly connected by bolts.

Further, the infrared rangefinder is detachably mounted on the limiting plate.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has a simple structure and a clear and easy-to-understand structure. By simulating the outer diameter line with a different ratio to the stand tree diameter, the measurement of the stand tree diameter at breast height is realized, and the measurement accuracy is high. The measurement operation is convenient, the efficiency is high, and the practicability is strong, so it is worth popularizing and using.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model.

Fig. 1 is the three-dimensional structure schematic diagram of a kind of standing tree diameter measuring device that the utility model proposes;

Fig. 2 is a top view structure schematic diagram during measurement of a standing tree diameter measuring device proposed by the utility model.

In the figure: 1-Asymmetrical stand, 2-Measuring ring, 3-Grip, 4-Rolling measuring component, 5-Ball seat, 6-Limiting plate, 7-Ball, 8-Compression spring, 9-Pressure bar , 10-infrared receiving rod, 11-infrared range finder.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figures 1-2, a standing tree diameter measuring device includes a measuring ring 2, on which a number of rolling measuring components 4 are arranged, and handles 3 are arranged between adjacent rolling measuring components 4, so that The handle 3 is fixedly connected to the measuring ring 2, and the center of the measuring ring 2 is provided with an asymmetric stand 1;

The rolling measurement assembly 4 includes a pressing rod 9, which slides through the measuring ring 2, and one end of the pressing rod 9 close to the center of the measuring ring 2 is fixedly connected with a ball seat 5, and the ball seat 5 A ball 7 is installed on the top, and the end of the pressure rod 9 away from the measuring ring 2 is connected to the limit plate 6. The infrared range finder 11 is installed on the limit plate 6, and an infrared receiving rod is arranged on one side of the pressure rod 9. 10. The infrared receiving rod 10 is fixed on the measuring ring 2, and the outer surface of the pressing rod 9 is covered with a compression spring 8.

The utility model is used for measuring the diameter of standing trees. The measuring ring 2 is two semi-circular rings connected by rotation. When in use, the user holds the handle 3 and unfolds the two semi-circular rings in the measuring ring 2. The two half-rings surround the standing tree, and then close the two half-rings of the measuring ring 2, so that the measuring ring 2 is combined into a complete ring. At this time, the measuring ring 2 is fixed on the asymmetrical standing tree 1 A measuring point on the outer surface. At this time, the ball 7 abuts against the asymmetric stand 1, and the pressure rod 9 is pushed outwards away from the asymmetric stand 1. The distance between the limiting plate 6 and the infrared receiving rod 10 at this time is Change, measure the distance between the limit plate 6 and the infrared receiving rod 10 by the infrared range finder 11, the infrared range finder 11 and the computer are connected by a wireless module, and the measured distance is synchronized into the computer, At this time, the user holds the handle 3 and rotates the measuring ring 2, and the distance measured by the infrared range finder 11 is continuously synchronized to the computer, and several points measured by the infrared range finder 11 form an approximate Irregular ring a, the outer diameter of the asymmetric stand 1 is b, a and b are similar irregular rings, and the outer diameter of the asymmetric stand 1 can be obtained by measuring a, and then the asymmetric stand is realized 1 DBH measurement;

What the infrared rangefinder 11 in the utility model adopts is existing laser rangefinder sensor, concrete model is RPLIDAR S1 intelligent laser radar, can realize intelligent connection with computer, is existing very mature technical structure, no longer here repeat.

There are eight groups of rolling measurement assemblies 4 installed on the measuring ring 2 evenly, and the arrangement of multiple sets of rolling measurement assemblies 4 can improve measurement efficiency and measurement accuracy.

The limiting plate 6 and the pressure rod 9 are fixedly connected by bolts, the limiting plate 6 is detachable, and the pressure rod 9 and the ball 7 connected thereto are all detachable and easy to maintain.

The infrared rangefinder 11 is detachably installed on the limiting plate 6, and the infrared rangefinder 11 is detachably installed, which is convenient for maintenance.

The working principle and application process of the utility model: the utility model is used for measuring the diameter of a standing tree, and the measuring ring 2 is two semi-circular rings connected by rotation. The two semi-circular rings in 1 are expanded, and the standing trees are surrounded by the two semi-circular rings, and then the two semi-circular rings of the measuring ring 2 are closed, so that the measuring ring 2 is combined into a complete ring. The measuring ring 2 is fixed at a measurement point on the outer surface of the asymmetrical tree 1. At this time, the ball 7 abuts against the asymmetrical tree 1, and the pressure rod 9 is pushed outward away from the asymmetrical tree 1. At this time, the limit plate 6 and the distance between the infrared receiving rod 10 changes, and the distance between the limiting plate 6 and the infrared receiving rod 10 is measured by the infrared range finder 11, wherein the infrared range finder 11 and the computer are connected by a wireless module, And the measured distance is synchronized to the computer. At this time, the user holds the handle 3 and rotates the measuring ring 2, and continuously synchronizes the measured distance to the computer through the infrared range finder 11. Through the infrared range finder 11 Several measured points form an approximate irregular ring a, and the outer diameter of the asymmetric stand 1 is b, a and b are similar irregular rings, and the asymmetric stand 1 can be obtained by measuring a The outer diameter is b, and then the measurement of the diameter at breast height of the asymmetric standing tree 1 is realized.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (4)

1. A standing tree breast diameter measuring device comprises a measuring circular ring (2), and is characterized in that a plurality of rolling measuring assemblies (4) are arranged on the measuring circular ring (2), a handle (3) is arranged between every two adjacent rolling measuring assemblies (4), the handle (3) is fixedly connected with the measuring circular ring (2), and an asymmetric standing tree (1) is arranged in the center of the measuring circular ring (2);

roll measuring subassembly (4) including depression bar (9), depression bar (9) are worn to establish in the slip of measuring ring (2), depression bar (9) are close to and measure ring (2) centre of a circle one end fixedly connected with ball seat (5), install ball (7) on ball seat (5), depression bar (9) are kept away from and are measured ring (2) one end and are connected with limiting plate (6), install infrared range finder (11) on limiting plate (6), depression bar (9) one side is provided with infrared ray receiving rod (10), infrared ray receiving rod (10) are fixed the setting on measuring ring (2), depression bar (9) surface cover is equipped with compression spring (8).

2. A stumpage breast diameter measuring device according to claim 1, characterized in that eight groups of rolling measuring assemblies (4) are uniformly arranged on the measuring ring (2).

3. The standing tree breast diameter measuring device according to claim 2, wherein the limiting plate (6) and the pressure rod (9) are fixedly connected through bolts.

4. A stumpage breast diameter measuring device according to claim 3, wherein the infrared distance meter (11) is detachably mounted on the limiting plate (6).

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