CN107677189A - A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter - Google Patents
A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter Download PDFInfo
- Publication number
- CN107677189A CN107677189A CN201710813489.8A CN201710813489A CN107677189A CN 107677189 A CN107677189 A CN 107677189A CN 201710813489 A CN201710813489 A CN 201710813489A CN 107677189 A CN107677189 A CN 107677189A
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- Prior art keywords
- bar
- tangent line
- trunk
- straight
- locating rod
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0035—Measuring of dimensions of trees
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention relates to a kind of device of straight-bar type geometric method measurement tree breast-height diameter, including locating rod, the both sides of the locating rod are arranged with two and are used for the with a scale tangent line bar tangent with trees week portion, the end of the tangent line bar is hinged with the non-end of locating rod, and protractor is provided with articulated position, the front end of the locating rod is installed with steel tip.The structure of the device of straight-bar type geometric method measurement tree breast-height diameter is simple.
Description
Technical field
The present invention relates to the device and its application method of a kind of straight-bar type geometric method measurement tree breast-height diameter, it is related to Stand investigation
Technical field.
Background technology
Conventional tree breast-height diameter largely uses tape measure mode, need to pull out tape measure during measurement every time, while internal
Spring deforms upon, and hand scroll chi is unclamped after, and recovery is to recover deformation by the spring of inside to complete automatically, this process speed
It hurry up, the scuffing of limbs and reading may be caused not to record and need to remeasure in time, influence measurement efficiency, the folding and unfolding of certain tape measure
Journey accelerates the loss of tape measure.Tape measure default assumption is trunk cross section for circle, but in fact very woody trunk
Cross section is not circular or approximate circle, and therefore, there is certain error for measurement result.Limited by tape measure size,
Range is often less than normal（The generally measurement diameter of a cross-section of a tree trunk 1.3 meters above the ground is less than 60cm）, can not disposably complete what is set greatly when measuring big-diameter wood tree breast-height diameter
, it is necessary to be superimposed use, reduction efficiency increases error for measurement.The other also useful measurement apparatus based on big dipper module, but come at present
See, cost is higher, and maintainable, water proofing property and portability are relatively low, are also easily influenceed by Big Dipper satellite signal power, it is impossible to round-the-clock
Measured with to indoor nursery stock.In addition, there is also three-back-shaped stationary fixture to survey diameter of a cross-section of a tree trunk 1.3 meters above the ground device, measurement accuracy is high, but device sheet
Body is complex, and cost is higher, is unfavorable for carrying.
The content of the invention
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of straight-bar type geometric method measurement
The device and its application method of tree breast-height diameter, are not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of straight-bar type geometric method measures tree breast-height diameter
Device, including locating rod, the both sides of the locating rod are arranged with two and are used for the with a scale tangent line tangent with trees week portion
Bar, the non-end of the end of the tangent line bar with locating rod is hinged, and is provided with protractor in articulated position, the locating rod
Front end is installed with steel tip.
Preferably, the locating rod, which is provided with, is used for the linkage that two tangent line bars of drive link, in the locating rod
Portion offers the groove bar extended along its length, and the linkage includes the latch of embedded groove bar, the both sides pair of the latch
Title is provided with two isometric first connecting rods, and the be hinged, other end is hinged on away from tangent line with latch for one end of the first connecting rod
At the same distance of bar end.
Preferably, the non-end of the first connecting rod is hinged with second connecting rod, the other end of the second connecting rod with
Two tangent line bars are hinged at same pin joint.
Preferably, what the steel was sophisticated is shaped as triangle.
Preferably, the end of the locating rod is provided with handle, and the locating rod is provided with block level and compass.
Preferably, measurement rope is arranged with the locating rod, the end of the measurement rope is connected with small weight.
Preferably, the length of the measurement rope is 1.3m, and the protractor is transparent protractor and is located above tangent line bar,
The mid-scale of the protractor is 0 °, and left scale is 0 ° to -90 °, and right scale is 0 ° to 90 °.
Preferably, the scale on the tangent line bar is made up of upper scale and lower scale, and the lower scale is centimetre chi, described
Upper scale presses y=0.1x2- 10 carry out scale, wherein scale（y）For dependent variable, upper scale label（x）For independent variable.
Preferably, the tangent line bar is provided with slidable vernier reading window.
A kind of application method of the device of straight-bar type geometric method measurement tree breast-height diameter, is carried out according to the following steps：
（1）1.3m measurement rope of the release with small weight, measurement apparatus is placed at the trunk 1.3m diameters of a cross-section of a tree trunk 1.3 meters above the ground to be measured；
（2）By measurement apparatus front（There is block level）Perpendicular alignmnet trunk upward, to away from trunk direction expansion tangent line bar
To the size tangent enough with trunk；
（3）By the steel tip insertion trunk of locating rod until trunk is all submerged in whole tip, the gas of block level is adjusted
Bubble makes measurement apparatus keep level to middle position；
（4）To trunk direction pull tangent line bar so that tangent line bar contacts with trunk just, slide vernier reading window to tangent line bar with
Trunk contact point, upper rod reading is the tree diameter of a cross-section of a tree trunk 1.3 meters above the ground size in readout window.
Compared with prior art, the invention has the advantages that：The straight-bar type geometric method measures the dress of tree breast-height diameter
The structure put is simple, is easy to carry, and can quickly and easily carry out the measurement of tree breast-height diameter, simple and convenient efficient.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the organigram of tangent line bar in the embodiment of the present invention.
Embodiment
For features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows.
As shown in Figure 1 and 2, a kind of device of straight-bar type geometric method measurement tree breast-height diameter, including locating rod 1, the locating rod
Both sides be arranged with two and be used for the with a scale tangent line bar 2 tangent with trees week portion, the end of the tangent line bar with positioning
The non-end of bar is hinged, and is provided with protractor 3 in articulated position, and the front end of the locating rod is installed with steel tip 4, steel sharp
Locating rod quickly can be fixed on trunk by end securely, the storage of tangent line rod folding, saved volume, be easy to carry, fixed
Position bar major function is positioning, including on vertical height, horizontal direction, attitude and trunk fixing point positioning, space
Azimuth determines surveyed absolute azimuth by compass.
In embodiments of the present invention, the tangent line bar is aluminum alloy material, and total length is 50cm.
In embodiments of the present invention, the locating rod is provided with the linkage for being used for driving the linkage of two tangent line bars, described
The groove bar 5 extended along its length is offered in the middle part of locating rod, the linkage includes the latch 6 of embedded groove bar, described
The both sides of latch are arranged with two isometric first connecting rods 7, and one end of the first connecting rod is be hinged with latch, the other end is equal
It is hinged on away from the same distance of tangent line bar end.
In embodiments of the present invention, the non-end of the first connecting rod is hinged with second connecting rod 8, the second connecting rod
The other end is hinged at same pin joint with two tangent line bars.
In embodiments of the present invention, what the steel was sophisticated is shaped as triangle.
In embodiments of the present invention, the end of the locating rod is provided with handle 9, and the locating rod is provided with block level
With compass 10, block level is used for the level for adjusting measurement apparatus, and compass is used for different azimuth and measures same strain forest
The diameter of a cross-section of a tree trunk 1.3 meters above the ground, even it is necessary repeatedly to measure, improves measurement accuracy.
In embodiments of the present invention, measurement rope 11 is arranged with the locating rod, the end that the measurement is restricted is connected with small
Weight.
In embodiments of the present invention, the length of the measurement rope is 1.3m, and locating rod accurately can be placed in by lining rope
Measured at 1.3m, the same height also allowed between different plants compares, and makes measurement more accurate, and the protractor is transparent
Protractor is simultaneously located above tangent line bar, and the mid-scale of the protractor is 0 °, and left scale is 0 ° to -90 °, and right scale is
0 ° to 90 °, for quickly opening tangent line bar and adjusting the decile angle between tangent line bar and locating rod.
In embodiments of the present invention, the scale on the tangent line bar is made up of upper scale 12 and lower scale 13, and upper scale leans on
Nearly trunk side, the lower scale are centimetre chi, centimetre chi starting point from apart from tangent line bar pin joint position along bar central axis direction to
It is mark " 10 " up to 10cm position, the upper scale carries out scale, wherein scale by y=0.1x2-10（y）For dependent variable,（y）
Value surveys tree breast-height diameter, upper scale label（x）For independent variable, upper scale starting point from apart from tangent line bar pin joint position along bar
It is the tree and shrubs that the diameter of a cross-section of a tree trunk 1.3 meters above the ground is 0-1.5m that direction of principal axis, which reaches 10cm position as mark " 0 ", the measurement range of the device, structure
Simple science, cost are cheap, and beneficial to volume production, lower scale is normal centimetre of chi, can work as ruler and use；Upper scale is several by triangle
Non-uniform scale combination vernier reading window after what is calculated quickly reads diameter of a cross-section of a tree trunk 1.3 meters above the ground value.
In embodiments of the present invention, tangent line bar and the pin joint of locating rod are to locating rod front end（Steel tip is not included）'s
Distance is 10cm, is the standard length of side of triangle dimensional measurement.
In embodiments of the present invention, the tangent line bar is provided with slidable vernier reading window 14, can be with located yarn-cutting bar
The plant diameter of a cross-section of a tree trunk 1.3 meters above the ground is surveyed in point of contact and accurately reading.
In embodiments of the present invention, present invention utilizes trunk self-characteristic（Although not necessarily meet that whole trunk is cut
Face is circle, but part meets arc condition）, the trunk diameter that various arc curves wear face can be measured, using classical triangle
Geometrical principle, bar type structure is simple, cost is low, maintainable height round-the-clock can use, while has range ability big（0-
1.5m, most of stand' grade needs can be met, girth diameter dipstick metering journey common at present is less than 0.5m）, and one during survey big-diameter wood
It is individual to be filled the span of a man's arms cooperation without more people with complete independently, it is time saving and energy saving, in addition, the device can take multiple measurements to same section,
Measurement accuracy is improved, the scope of application is big, and water resistance is good, and maintainability is good, is not influenceed by satellite-signal in woods is weak etc..
A kind of application method of the device of straight-bar type geometric method measurement tree breast-height diameter, is carried out according to the following steps：
（1）1.3m measurement rope of the release with small weight, measurement apparatus is placed at the trunk 1.3m diameters of a cross-section of a tree trunk 1.3 meters above the ground to be measured；
（2）By measurement apparatus front（There is block level）Perpendicular alignmnet trunk 15 upward, to away from trunk direction expansion tangent line
Bar is to the size tangent enough with trunk；
（3）By the steel tip insertion trunk of locating rod until trunk is all submerged in whole tip, the gas of block level is adjusted
Bubble makes measurement apparatus keep level to middle position；
（4）To trunk direction pull tangent line bar so that tangent line bar contacts with trunk just, slide vernier reading window to tangent line bar with
Trunk contact point, upper rod reading is the tree diameter of a cross-section of a tree trunk 1.3 meters above the ground size in readout window.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are each under the enlightenment of the present invention
The device and its application method of the straight-bar type geometric method measurement tree breast-height diameter of kind form.It is all to be done according to scope of the present invention patent
Equivalent changes and modifications, should all belong to the present invention covering scope.
Claims (10)
- A kind of 1. device of straight-bar type geometric method measurement tree breast-height diameter, it is characterised in that：Including locating rod, the two of the locating rod Side is arranged with two and is used for the with a scale tangent line bar tangent with trees week portion, and the end of the tangent line bar is non-with locating rod End is hinged, and is provided with protractor in articulated position, and the front end of the locating rod is installed with steel tip.
- 2. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The locating rod The linkage for being used for driving the linkage of two tangent line bars is provided with, the groove extended along its length is offered in the middle part of the locating rod Bar, the linkage include the latch of embedded groove bar, and the both sides of the latch are arranged with two isometric first connecting rods, institute Stating one end of first connecting rod, the be hinged, other end is hinged on away from the same distance of tangent line bar end with latch.
- 3. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 2, it is characterised in that：Described first connects The non-end of bar is hinged with second connecting rod, and the other end of the second connecting rod is hinged on same pin joint with two tangent line bars Place.
- 4. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The steel sharp End is shaped as triangle.
- 5. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The locating rod End be provided with handle, the locating rod is provided with block level and compass.
- 6. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The locating rod On be arranged with measurement rope, it is described measurement rope end be connected with small weight.
- 7. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 6, it is characterised in that：The measurement rope Length be 1.3m, the protractor is transparent protractor and above tangent line bar, and the mid-scale of the protractor is 0 °, Left scale is 0 ° to -90 °, and right scale is 0 ° to 90 °.
- 8. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The tangent line bar On scale be made up of upper scale and lower scale, the lower scale is centimetre chi, and the upper scale presses y=0.1x2- 10 are carved Degree, wherein scale（y）For dependent variable, upper scale label（x）For independent variable.
- 9. the device of straight-bar type geometric method measurement tree breast-height diameter according to claim 1, it is characterised in that：The tangent line bar It is provided with slidable vernier reading window.
- 10. a kind of application method of the device of straight-bar type geometric method measurement tree breast-height diameter, it is characterised in that using such as claim The device of any straight-bar type geometric method measurement tree breast-height diameter described in 1-9, and carry out according to the following steps：（1）1.3m measurement rope of the release with small weight, measurement apparatus is placed at the trunk 1.3m diameters of a cross-section of a tree trunk 1.3 meters above the ground to be measured；（2）By measurement apparatus front（There is block level）Perpendicular alignmnet trunk upward, to away from trunk direction expansion tangent line bar To the size tangent enough with trunk；（3）By the steel tip insertion trunk of locating rod until trunk is all submerged in whole tip, the gas of block level is adjusted Bubble makes measurement apparatus keep level to middle position；（4）To trunk direction pull tangent line bar so that tangent line bar contacts with trunk just, slide vernier reading window to tangent line bar with Trunk contact point, upper rod reading is the tree diameter of a cross-section of a tree trunk 1.3 meters above the ground size in readout window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813489.8A CN107677189A (en) | 2017-09-11 | 2017-09-11 | A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813489.8A CN107677189A (en) | 2017-09-11 | 2017-09-11 | A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter |
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| CN107677189A true CN107677189A (en) | 2018-02-09 |
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| CN201710813489.8A Pending CN107677189A (en) | 2017-09-11 | 2017-09-11 | A kind of device and its application method of straight-bar type geometric method measurement tree breast-height diameter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643635A (en) * | 2017-02-09 | 2017-05-10 | 广州聚旭机电技术研究院有限公司 | Intelligent tree diameter measuring tool and tree diameter measuring method |
| CN109579762A (en) * | 2018-11-28 | 2019-04-05 | 浙江农林大学 | A kind of measuring device and measuring method of tree breast-height diameter |
| CN111664775A (en) * | 2020-07-06 | 2020-09-15 | 无锡市水务集团有限公司 | Large-diameter pipeline wall tangent inclination angle measuring device |
| CN111947548A (en) * | 2020-08-10 | 2020-11-17 | 广西壮族自治区中国科学院广西植物研究所 | Method for monitoring radial growth of karst forest trees |
| CN112066925A (en) * | 2020-08-28 | 2020-12-11 | 浙江农林大学 | Device and method for measuring breast diameter and height of standing tree |
| CN112595210A (en) * | 2020-11-25 | 2021-04-02 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN113418433A (en) * | 2021-05-21 | 2021-09-21 | 浙江农林大学 | Device and method for measuring tree breast diameter by straight rod type geometric method |
| CN114353630A (en) * | 2022-01-19 | 2022-04-15 | 山西农业大学 | Tree breast diameter and tree height measuring device |
| CN118463757A (en) * | 2024-07-09 | 2024-08-09 | 山东黄河三角洲国家级自然保护区管理委员会 | Forestry surveys hand-carried tool |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643635A (en) * | 2017-02-09 | 2017-05-10 | 广州聚旭机电技术研究院有限公司 | Intelligent tree diameter measuring tool and tree diameter measuring method |
| CN109579762A (en) * | 2018-11-28 | 2019-04-05 | 浙江农林大学 | A kind of measuring device and measuring method of tree breast-height diameter |
| CN111664775A (en) * | 2020-07-06 | 2020-09-15 | 无锡市水务集团有限公司 | Large-diameter pipeline wall tangent inclination angle measuring device |
| CN111664775B (en) * | 2020-07-06 | 2024-05-31 | 无锡市水务集团有限公司 | Device for measuring inclination angle of tangent line of pipe wall of large-caliber pipeline |
| CN111947548A (en) * | 2020-08-10 | 2020-11-17 | 广西壮族自治区中国科学院广西植物研究所 | Method for monitoring radial growth of karst forest trees |
| CN112066925A (en) * | 2020-08-28 | 2020-12-11 | 浙江农林大学 | Device and method for measuring breast diameter and height of standing tree |
| CN112595210A (en) * | 2020-11-25 | 2021-04-02 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN112595210B (en) * | 2020-11-25 | 2023-02-17 | 广东电网有限责任公司梅州供电局 | Overhead conductor radius detection device |
| CN113418433A (en) * | 2021-05-21 | 2021-09-21 | 浙江农林大学 | Device and method for measuring tree breast diameter by straight rod type geometric method |
| CN114353630A (en) * | 2022-01-19 | 2022-04-15 | 山西农业大学 | Tree breast diameter and tree height measuring device |
| CN118463757A (en) * | 2024-07-09 | 2024-08-09 | 山东黄河三角洲国家级自然保护区管理委员会 | Forestry surveys hand-carried tool |
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Application publication date: 20180209 |
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