CN108592744A - Afforestation survey tool - Google Patents
Afforestation survey tool Download PDFInfo
- Publication number
- CN108592744A CN108592744A CN201810522036.4A CN201810522036A CN108592744A CN 108592744 A CN108592744 A CN 108592744A CN 201810522036 A CN201810522036 A CN 201810522036A CN 108592744 A CN108592744 A CN 108592744A
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- Prior art keywords
- ruler
- ground
- afforestation
- diameter
- nursery stock
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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
- G01B5/0035—Measuring of dimensions of trees
-
- 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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention relates to fields of measurement, more specifically to a kind of afforestation survey tool, including：Protractor body and telescopic measuring scale；There are two the measuring scales, and one end of two measuring scales is articulated with the central point of protractor body, and the other end is scalable.When nursery stock is perpendicular to ground, the present invention is lain in a horizontal plane in into ground from nursery stock bottom end vicinity position, one measuring scale is located on 0 degree of protractor body or the graduation mark of 180 degree, and the other end of the measuring scale is extended to the bottom end of nursery stock, horizontal distance of the position from nursery stock bottom end of the present invention is read from the scale of the measuring scale；The other end of another measuring scale is extended to the top of nursery stock, at this moment, is obtained on protractor body, the angle theta of two measuring scales；Horizontal distance of the position from nursery stock bottom end and θ calculate the height of nursery stock through the invention.It is the configuration of the present invention is simple, at low cost, and measurement method is easy to operate, it is accurate to measure.
Description
Technical field
The present invention relates to fields of measurement, more specifically to a kind of afforestation survey tool.
Background technology
In landscape engineering, require to often relate to seedling about greening seedling quality grading and the format technology of nursery stock
Hat width, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, ground diameter, base diameter, soil ball diameter, dry height and the branch's point height of wood etc. numerical index.And these indexs
Basic detection method is exactly to survey actual quantities.Although having some relevant survey tools at present, these tools there are cost compared with
It is high, have a single function, accuracy is low and it is inconvenient the problems such as.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of afforestation survey
Amount tool, not only low manufacture cost, and also it is vdiverse in function, easy to operate.
The technical solution adopted by the present invention to solve the technical problems is：A kind of afforestation survey tool is constructed, including：
Protractor body and telescopic measuring scale；There are two the measuring scales, and one end of two measuring scales is articulated with protractor body
Central point, the other end is scalable.
The afforestation survey tool for implementing the present invention, has the advantages that：
The present invention can be used for measuring the diameter of a cross-section of a tree trunk 1.3 meters above the ground of nursery stock：
Protractor downward horizontal is placed, a measuring scale is located on the graduation mark of 90 degree of protractor body, and by the survey
Gage is extended to ground, to read the breastheight of nursery stock at this time from the scale of the measuring scale；
Then another measuring scale is located on 0 degree of protractor body or the graduation mark of 180 degree, by the measuring scale extend to
The other end of the measuring scale was around nursery stock one week, to read the diameter of a cross-section of a tree trunk 1.3 meters above the ground of corresponding nursery stock breastheight from the scale of the measuring scale.
The present invention can be used for measuring the length of nursery stock any position：
When nursery stock favours ground, and angle is θ, the present invention is lain in a horizontal plane in into ground from nursery stock bottom end vicinity position,
One measuring scale is located on 90 degree of graduation mark of protractor body, and the measuring scale is extended to the designated position of nursery stock,
Height of the nursery stock designated position perpendicular to ground is read from the scale of the measuring scale；
Then another measuring scale is located on 0 degree of protractor body or the graduation mark of 180 degree, by the another of the measuring scale
End extends to the bottom end of nursery stock, and the horizontal distance of nursery stock designated position and nursery stock bottom end is read from the scale of the measuring scale；
In conjunction with nursery stock angle theta, respectively by nursery stock designated position perpendicular to ground height and nursery stock bottom end it is horizontal away from
From calculating the length of two nursery stock designated positions；
Due to obtaining two length values, so can more accurately confirm the length of nursery stock designated position；
The present invention can be used for measuring the height of nursery stock：
When nursery stock is perpendicular to ground, the present invention is lain in a horizontal plane in into ground from nursery stock bottom end vicinity position, one is surveyed
Gage is located on 0 degree of protractor body or the graduation mark of 180 degree, and the other end of the measuring scale is extended to the bottom end of nursery stock,
Horizontal distance of the position from nursery stock bottom end of the present invention is read from the scale of the measuring scale；
The other end of another measuring scale is extended to the top of nursery stock, at this moment, is obtained on protractor body, two measurements
The angle theta of ruler；
Horizontal distance of the position from nursery stock bottom end and θ calculate the height of nursery stock through the invention.
Above-mentioned measurement method shows some effects of the present invention.In addition to this, the configuration of the present invention is simple, so cost
It is low, and the present invention is easy to operate known to above-mentioned measurement method, measures accurate.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the first dimensional structure diagram of the embodiment of the present invention；
Fig. 2 is second of dimensional structure diagram of the embodiment of the present invention；
Fig. 3 is the third dimensional structure diagram of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of universal level(l)ing bubble in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of measuring scale in the embodiment of the present invention；
Fig. 6 is the enlarged structure schematic diagram of the measuring scale other end in Fig. 5；
Fig. 7 is the enlarged structure schematic diagram of the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler other end in the embodiment of the present invention；
Fig. 8 is the schematic diagram under the first working condition of the embodiment of the present invention；
Fig. 9 is the schematic diagram under second of working condition of the embodiment of the present invention；
Figure 10 is the schematic diagram under the third working condition of the embodiment of the present invention；
Figure 11 is the schematic diagram under the 4th kind of working condition of the embodiment of the present invention；
In figure：Protractor body 1, laser lamp 2, turning handle ruler 3, cylinder air level 4, second source safety box 5, second switch
6, compass 7, universal level(l)ing bubble 8, the first power safety box 9, first switch 10, RF transmitter 11, diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12, fixed
Position sliding block 13, measuring scale 14.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
As shown in Figures 1 to 3, afforestation survey tool of the present invention, including：Protractor body 1 and telescopic
Measuring scale 14；
There are two the measuring scales 14, and one end of two measuring scales 14 is articulated with the central point of protractor body 1, the other end
It is scalable.
Further, the measuring scale 14 includes：Turning handle ruler 3 and diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12；
One end of the turning handle ruler 3 is articulated with the central point of protractor body 1；
The other end of turning handle ruler 3 is fixed in one end of the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12, and the other end of the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 is scalable.
As shown in fig. 7, being carved with length scale and diameter of a cross-section of a tree trunk 1.3 meters above the ground scale respectively on the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12.
Diameter of a cross-section of a tree trunk 1.3 meters above the ground scale is labeled in the top edge of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12, and length scale is labeled in the lower edge of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12.Thus
The present invention can be made directly to be read under different measuring states, without conversion, improve measurement efficiency.
As it can be seen in figures 5 and 6, being additionally provided with RF transmitter 11 on the other end of the turning handle ruler 3；
The infrared ray that the RF transmitter 11 is sent out is parallel with 14 place straight line of measuring scale.
The the first power safety box 9 and first switch 10 of RF transmitter 11 are provided on the turning handle ruler 3；First electricity
The power supply of RF transmitter 11 can be placed in source safety box 9, first switch 10 is used to control the unlatching of RF transmitter 11
And closing；
The positioning sliding block 13 of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 is provided on the turning handle ruler 3；The diameter of a cross-section of a tree trunk 1.3 meters above the ground is controlled by stirring positioning sliding block 13
The collapsing length of ruler 12.
The other end of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 be free to stretch, and when diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 is stretched over certain length, positioning be pushed to slide
Block 13 so that diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 is fixed on current length；Positioning sliding block 13 is retracted, the other end of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 returns to again can be certainly
By flexible state.
As shown in Figures 1 to 4, one end of 1 bottom of the protractor body is provided with laser lamp 2, and the other end is provided with universal
Level(l)ing bubble 8；
Universal level(l)ing bubble 8 is used to adjust the position of protractor body 1；
Laser emitted by the laser lamp 2 is parallel with 0 degree of graduation mark of protractor body 1；
8 place plane of the universal level(l)ing bubble is parallel with 90 degree of graduation marks of protractor body 1 with laser.
Cylinder air level 4 is provided on the bottom of the protractor body 1；
When protractor body 1 is horizontal, the bubble in cylinder air level 4 is located at the underface of 1 central point of protractor body；
The laser lamp 2 is located at one end of cylinder air level 4, and the universal level(l)ing bubble 8 is located at the another of cylinder air level 4
One end.
The second source safety box 5 and second switch (6) of laser lamp 2 are provided on the cylinder air level 4；
Can place the power supply of laser lamp 2 in second source safety box 5, second Katyuan 6 be used to control laser lamp 2 unlatching and
It closes.
Compass 7 is provided on the central point of the protractor body 1.The compass 7 can be faced south square with precise positioning
To the nursery stock for assisting transplanting the requirement that has a disposition to turn towards the sun.
The protractor body 1 includes two protractors disposed in parallel；The graduation mark of two protractors coincides；It is described
Two measuring scales 14 are arranged between two protractors.
Two turning handle rulers 3 can also scale be oppositely arranged, and can coincide together, thus be convenient to turning handle ruler 3
Storage.
As shown in figure 8, when the present invention is used as laser plummet apparatus：
The bubble adjusted in universal level(l)ing bubble 8 is placed in the middle, to make protractor body 1 be disposed vertically；
Second switch 6 is opened, laser lamp 2 is opened, laser cross hairs is made to fall on ground or steel ruler；
One measuring scale 14 is placed on 90 degree of graduation marks of protractor body 1, the other end of the measuring scale 14 is extended
To nursery stock, distance L of the present invention according to nursery stock is read from the scale of measuring scale 14；
If laser cross is identical as L according to the distance of nursery stock bottom end, show the nursery stock perpendicular to ground；
If laser cross is different from L according to the distance of nursery stock bottom end, show that the nursery stock is not orthogonal to ground, and from angulation
The tilt angle theta of nursery stock can be read in device main body 1.
As shown in figure 9, when the present invention measures the nursery stock diameter of a cross-section of a tree trunk 1.3 meters above the ground, ground diameter, base diameter and soil ball diameter etc.：
The bubble adjusted in cylinder air level 4 is placed in the middle, to keep protractor body 1 horizontal, and protractor body 1 is fallen
It sets；
One measuring scale 14 is located on the graduation mark of 90 degree of protractor body, according to the nursery stock diameter of a cross-section of a tree trunk 1.3 meters above the ground, ground diameter, base diameter specification
Height H is measured, extracts corresponding diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 out to ground, the present invention is made according to ground level to be H；
Another measuring scale 14 is located on 0 degree of protractor body 1 or the graduation mark of 180 degree, extracts the measuring scale 14 out
Corresponding diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 was around nursery stock one week, you can directly read on the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 corresponding readings (diameter of a cross-section of a tree trunk 1.3 meters above the ground, ground diameter, base diameter with
And soil ball diameter etc.).
As shown in Figure 10, when the present invention measures the length of nursery stock any position：
Usually in this case, nursery stock and ground are out of plumb, at this moment, the present invention are first used as to act on belonging to Fig. 8, is obtained
To the gradient θ of nursery stock；
The bubble adjusted in cylinder air level 4 is placed in the middle, to keep protractor body 1 horizontal, and just by protractor body 1
To placement；
The present invention is lain in a horizontal plane in into ground from nursery stock bottom end vicinity position, a measuring scale 14 is located at protractor body
90 degree of graduation mark on, and the measuring scale 14 is extended to the designated position of nursery stock；In this case, if designated position is being surveyed
In the range ability of gage 14, then it can be used the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 of the measuring scale 14 to extend directly into and reach, from the scale of the measuring scale 14
It is upper to read height of the nursery stock designated position perpendicular to ground；If designated position in the range ability of measuring scale 14, is not opened
The 14 corresponding first switch 10 of measuring scale so that the infrared ray that corresponding RF transmitter 11 is launched reaches designated position；
Then another measuring scale 14 is located on 0 degree of protractor body or the graduation mark of 180 degree, by the measuring scale 14
The other end extends to the bottom end of nursery stock, read from the scale of the measuring scale 14 nursery stock designated position and nursery stock bottom end it is horizontal away from
From L；Because the present invention is placed near nursery stock, the horizontal distance L can generally be obtained by the scale of corresponding diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12；
Finally by cosine function H=L/cos θ, H values are acquired；Certainly, if being located at 90 degree of graduation mark of protractor body
On measuring scale 14 height of the nursery stock designated position perpendicular to ground can be obtained, then can also calculate H values by the height, use
In verification.
As shown in figure 11, when the present invention measures the height of vertical nursery stock：
When obtaining measured nursery stock perpendicular to ground with function as shown in Figure 8 of the invention,
The bubble adjusted in cylinder air level 4 is placed in the middle, to keep protractor body 1 horizontal, and just by protractor body 1
To being positioned over according to nursery stock neighbouring position；
One measuring scale is located on 0 degree of protractor body or the graduation mark of 180 degree, and the other end of the measuring scale is prolonged
Horizontal distance L of the position from nursery stock bottom end of the present invention is read in the bottom end for extending to nursery stock from the scale of the measuring scale；
If the survey is opened in nursery stock top to position of the present invention away from the range ability that nursery stock top is more than measuring scale 14
14 corresponding first switch 10 of gage so that the infrared ray that corresponding RF transmitter 11 is launched reaches nursery stock top；
If in the range ability of measuring scale 14, the survey can be used away from nursery stock top in nursery stock top to position of the present invention
The diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler 12 of gage 14, which extends directly into, to be reached, and the distance on nursery stock top is read from the scale of the measuring scale 14；
It reads on protractor body 1, the angle theta of two measuring scales 14；
According to tangent function H=Ltan θ, H values are acquired；Certainly, if obtaining has the other end of measuring scale 14 to nursery stock top
Distance, then H values can be also calculated by the distance, for verifying.
Above-mentioned measurement method shows some effects of the present invention.In addition to this, the configuration of the present invention is simple, so cost
It is low, and the present invention is easy to operate known to above-mentioned measurement method, measures accurate.
The present invention is equipped with universal level(l)ing bubble, cylinder level(l)ing bubble, protractor dial and diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler two rows and carves
Degree etc. not only substantially increases the accuracy of survey tool, additionally it is possible to fast, intuitively read the numerical value such as angle, diameter of a cross-section of a tree trunk 1.3 meters above the ground；
The present invention is also provided with laser lamp, can be used as laser plummet apparatus, checks the verticality of testee, and
Protractor can be utilized to obtain the angle of inclination of testee by simple computation；
The present invention is provided with compass, and can be faced south direction with precise positioning, the seedling for assisting transplanting the requirement that has a disposition to turn towards the sun
Wood；
The present invention is provided with two measurement turning handles, and each turning handle is designed with scale value, can be used for the survey of simple short length
Amount, measure turning handle be freely rotatable and it is readable go out protractor upper angle value.Measure turning handle in be equipped with RF transmitter device and
Diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler.RF transmitter device use principle can be used for getting ready to measured object with infrared ray gradienter laser demarcation principle
On body.Diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler is placed on measurement turning handle and carries out recycling lining rope using the clockwork spring the same with steel tape, is equipped with upper and lower two kinds of scales
Tested nursery stock diameter can be directly read.Can with one man operation, convenient, the intuitive diameter of a cross-section of a tree trunk 1.3 meters above the ground that measure nursery stock, ground diameter, base diameter and
The data such as soil ball diameter；The height of standing tree or other vertical object any positions can be measured by simple computation；Precision is high,
Structural principle is simple, simple operation, can greatly improve construction efficiency.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of afforestation survey tool, which is characterized in that including：Protractor body (1) and telescopic measuring scale (14)；
There are two the measuring scales (14), and one end of two measuring scales (14) is articulated with the central point of protractor body (1), and the other end can
It is flexible.
2. afforestation survey tool according to claim 1, which is characterized in that the measuring scale (14) includes：Turning handle
Ruler (3) and diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12)；
One end of the turning handle ruler (3) is articulated with the central point of protractor body (1)；
The other end of turning handle ruler (3) is fixed in one end of the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12), and the other end of the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12) is scalable.
3. afforestation survey tool according to claim 2, which is characterized in that scribed respectively on the diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12)
There are length scale and diameter of a cross-section of a tree trunk 1.3 meters above the ground scale.
4. afforestation survey tool according to claim 2, which is characterized in that on the other end of the turning handle ruler (3)
It is additionally provided with RF transmitter (11)；
The infrared ray that the RF transmitter (11) is sent out is parallel with straight line where measuring scale (14).
5. afforestation survey tool according to claim 4, which is characterized in that be provided on the turning handle ruler (3) red
The the first power safety box (9) and first switch (10) of outside line transmitter (11)；
The positioning sliding block (13) of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12) is provided on the turning handle ruler (3)；It is controlled by stirring positioning sliding block (13)
The collapsing length of diameter of a cross-section of a tree trunk 1.3 meters above the ground ruler (12).
6. afforestation survey tool according to any one of claim 1 to 5, which is characterized in that the protractor master
One end of body (1) bottom is provided with laser lamp (2), and the other end is provided with universal level(l)ing bubble (8)；
Laser emitted by the laser lamp (2) is parallel with 0 degree of graduation mark of protractor body (1)；
Plane where the universal level(l)ing bubble (8) is parallel with 90 degree of graduation marks of protractor body (1) with laser.
7. afforestation survey tool according to claim 6, which is characterized in that the bottom of the protractor body (1)
On be provided with cylinder air level (4)；
When protractor body (1) level, the bubble in cylinder air level (4) be located at protractor body (1) central point just under
Side；
The laser lamp (2) is located at one end of cylinder air level (4), and the universal level(l)ing bubble (8) is located at cylinder air level (4)
The other end.
8. afforestation survey tool according to claim 7, which is characterized in that be arranged on the cylinder air level (4)
There are the second source safety box (5) and second switch (6) of laser lamp (2).
9. afforestation survey tool according to claim 1, which is characterized in that the center of the protractor body (1)
It is provided with compass (7) on point.
10. afforestation survey tool according to claim 1, which is characterized in that the protractor body (1) includes two
A protractor disposed in parallel；The graduation mark of two protractors coincides；Described two measuring scales (14) are arranged in two angulations
Between device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522036.4A CN108592744A (en) | 2018-05-28 | 2018-05-28 | Afforestation survey tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522036.4A CN108592744A (en) | 2018-05-28 | 2018-05-28 | Afforestation survey tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108592744A true CN108592744A (en) | 2018-09-28 |
Family
ID=63629331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522036.4A Pending CN108592744A (en) | 2018-05-28 | 2018-05-28 | Afforestation survey tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108592744A (en) |
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| CN113188408A (en) * | 2021-04-20 | 2021-07-30 | 山东电力设备有限公司 | Automatic measuring tool and measuring method for height of transformer winding |
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Application publication date: 20180928 |