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A method and device for measuring the diameter of a standing tree

A measuring device and technology of measuring method are applied in the field of measuring method and device for diameter at breast height of standing trees, and can solve the problems of complicated calculation process and low measuring efficiency, etc.

Active Publication Date: 2021-05-07
ZHEJIANG FORESTRY UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The calculation process of the tree outer diameter measurement device is relatively complicated, resulting in low measurement efficiency

Method used

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  • A method and device for measuring the diameter of a standing tree
  • A method and device for measuring the diameter of a standing tree
  • A method and device for measuring the diameter of a standing tree

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Embodiment Construction

[0036] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0037] The embodiment of the present invention shows a standing tree diameter measuring device, refer to figure 1 with figure 2 , the standing tree diameter measuring device includes: left cutting arm 1, right c...

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Abstract

The invention provides a method and device for measuring the diameter of a standing tree, which relate to the technical field of tree measuring equipment. Sensor; wherein, the left cutting arm is rotationally connected with the middle ruler arm, and a first rotary joint is formed at the connection; the right cutting arm is rotationally connected with the middle ruler arm, and a second rotary joint is formed at the connection; A middle apex is arranged on the middle ruler arm; the distance between the middle apex and the first revolving joint is equal to the distance between the middle apex and the second revolving joint; the standing tree diameter measuring device has high measurement efficiency, high accuracy, and good portability. It is suitable for the measurement of diameter at breast height of large trees.

Description

technical field [0001] The invention relates to the technical field of tree measuring equipment, in particular to a method and device for measuring the diameter at breast height of a standing tree. Background technique [0002] Standing tree diameter at breast height is the diameter of the tree at 1.3m from the rhizome. It is the most important measurement factor in forest surveying. Accurate and reliable acquisition of DBH data is very important. The traditional method of measuring DBH of standing trees is inefficient and requires manual reading and recording, usually using tools such as girth rulers and calipers. The girth is not suitable for measuring trees with thorns and secretions. Its wide ruler surface will lead to large measurement errors, and the surveyor needs to close his hands to surround the tree and then wrap the ruler head around the trunk for a week before tightening the ruler surface. The bark is finally read at the junction of the ruler head and the ruler...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/12
CPCG01B7/12
Inventor 孙林豪方陆明刘江俊郑似青任俊俊杨来邦
Owner ZHEJIANG FORESTRY UNIVERSITY
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