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Tree diameter at breast height measuring device

A measuring device and a technology for tree diameter at breast height, applied in the field of tree diameter at breast height measuring devices, can solve problems such as troublesome efficiency, low measuring efficiency, trouble, etc., and achieve the effects of improving measuring efficiency, accurate measuring tree diameter at breast height, and smooth and stable sliding.

Active Publication Date: 2022-01-07
国家林业和草原局调查规划设计院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) It mainly uses a strap around the trunk for measurement. Since the strap cannot maintain a horizontal state when measuring the sample tree, it is very easy to produce measurement errors. Therefore, it is urgent to design a simple and accurate tree diameter measurement device.
[0006] (2) When the diameter of the tree to be measured is large and exceeds the maximum length that the staff can encircle, it is difficult for the staff to directly wrap the strap around the trunk. It requires two people to cooperate to facilitate the operation, which is very troublesome and leads to measurement efficiency. low
[0007] (3) When measuring the diameter of a tree, it is necessary to position the strap at a height of 1.3 meters. The traditional method requires manual positioning before each measurement, which is troublesome but inefficient

Method used

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  • Tree diameter at breast height measuring device
  • Tree diameter at breast height measuring device
  • Tree diameter at breast height measuring device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Such as Figure 1-Figure 15 As shown, a tree diameter measuring device includes a leather tape 4, a tape 41 is arranged in the leather tape 4, two leather tapes 4 are provided, and one side of the two leather tapes 4 is connected with a support 7, the support 7 The main frame 5 is slidingly connected to the side of the main frame 5, and the two sides of the main frame 5 are respectively provided with a front pair of clamp bars 1, and one end of the front end pair of clamp bars 1 is connected with the end of the tape 41 away from the tape measure 4, and the front end of the pair of clamp bars 1 The other end of is connected with push-pull frame 8, and the both sides of support 7 are respectively provided with rear end pair of clamping bars 3, and ruler band 41 slides and penetrates between one end that rear end pair of clamping bars 3 is close to.

[0055] Two leather tapes 4 can cooperate to measure the diameter at breast height of the trunk. Under the clamping action o...

Embodiment 2

[0070] Such as Figure 1-Figure 15 As shown, a tree diameter measuring device includes a leather tape 4, a tape 41 is arranged in the leather tape 4, two leather tapes 4 are provided, and one side of the two leather tapes 4 is connected with a support 7, the support 7 The main frame 5 is slidingly connected to the side of the main frame 5, and the two sides of the main frame 5 are respectively provided with a front pair of clamp bars 1, and one end of the front end pair of clamp bars 1 is connected with the end of the tape 41 away from the tape measure 4, and the front end of the pair of clamp bars 1 The other end of is connected with push-pull frame 8, and the both sides of support 7 are respectively provided with rear end pair of clamping bars 3, and ruler band 41 slides and penetrates between one end that rear end pair of clamping bars 3 is close to.

[0071] Two leather tapes 4 can cooperate to measure the diameter at breast height of the trunk. Under the clamping action of ...

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Abstract

The invention relates to the technical field of tree diameter at breast height measurement, in particular to a tree diameter at breast height measuring device which comprises two leather measuring tapes, a tape band is arranged in each leather measuring tape, one side of each leather measuring tape is connected with a support, the side edge of each support is slidably connected with a main frame, the two sides of each main frame are respectively provided with a front-end butt clamping rod. One end of each front-end butt-clamping rod is connected with one end, far away from the leather measuring tape, of the tape band, the other end of each front-end butt-clamping rod is connected with a push-pull frame, rear-end butt-clamping rods are arranged on the two sides of the support respectively, and the tape band is arranged between the ends, close to each other, of the rear-end butt-clamping rods in a sliding and penetrating mode. The two leather measuring tapes can be attached to the two sides of the measured tree trunk under the butt-clamping effect of the front end butt-clamping rod and the rear end butt-clamping rod respectively, surrounding measurement is formed, operation is only needed from one side of the measured tree trunk during measurement each time, manual surrounding of the tree trunk is not needed, and therefore more convenience and rapidness are achieved, and the measurement efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of tree diameter measurement, in particular to a tree diameter measurement device. Background technique [0002] Diameter at breast height: Also known as dry diameter, it refers to the diameter of the trunk of the arbor at the chest height from the ground surface. When the section is deformed, the average value of the maximum and minimum values ​​is measured. The height at breast height of different trees is different, and the regulations on diameter at breast height are also different in different countries. In my country and most countries, the chest height is set at a height of 1.3 meters above the ground. Tree diameter at breast height is one of the important measurement indicators for each tree in the national forest survey plot, and it is also an important parameter for scientific research. Accurate measurement of DBH has always been one of the difficulties faced by forestry investigators. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/08G01B5/00
CPCG01B5/08G01B5/0035
Inventor 孙忠秋郑焰锋刘迎春王伟付安民吴发云刘晓彤高金萍高显连李俊恺
Owner 国家林业和草原局调查规划设计院
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