CN203065948U - Ground surface mark drawing tool - Google Patents
Ground surface mark drawing tool Download PDFInfo
- Publication number
- CN203065948U CN203065948U CN201220426607.2U CN201220426607U CN203065948U CN 203065948 U CN203065948 U CN 203065948U CN 201220426607 U CN201220426607 U CN 201220426607U CN 203065948 U CN203065948 U CN 203065948U
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- China
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- utility
- model
- ground surface
- drawing tool
- straight
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- Expired - Lifetime
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Abstract
The utility model relates to graph drawing tools and particularly relates to a portable tool used for drawing ground surface control marks of airborne laser radars or digital cameras. A ground surface mark drawing tool comprises a first straight locating rod and a second straight locating rod, wherein one ends of the two straight locating rods are fixedly connected at an included angle of alpha, and the other ends of the two straight locating rods are connected through a circular-arc-shaped locating rod. The ground surface mark drawing tool disclosed by the utility model has the characteristics of convenience for use, uniform drawn graphs and high identification precision.
Description
Technical field
The utility model relates to the graphic plotting instrument, especially relates to a kind of ground control for airborne laser radar or digital camera and identifies the portable instrument of drawing.
Background technology
Along with the development of national economy and railway traffic cause, more and more higher to the requirement of construction of railways efficient, the speed of construction topographic(al) reconnaissance and the degree of accuracy need to improve.When sign was laid in measurement in the past, general employing was sprayed paint or manual painting is drawn the crosswise figure, and there is following some shortcoming in it: wire is identified at when image resolution hangs down and can't clearly differentiates; Even identification reluctantly because manual drawing causes its shape irregularity, reduces certainty of measurement; As the planar figure of manual drawing, shape is more unified, and easy and other signs are obscured, and bring measure error.
Summary of the invention
The utility model mainly is at the above-mentioned technical problem of existing in prior technology, provides a kind of shape of can drawing unified, and identification is figure land marking drawing tool clearly.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of land marking drawing tool, comprise the first location straight-bar and the second location straight-bar, described two location straight-bar one ends α that has angle is fixedly connected, and the other end connects by a location circular arc bar.Two location straight-bars of the present utility model and location circular arc bar have surrounded one can spray paint etc. between the fan section of pigment, during use, places it in smooth ground, between the fan section in the pigment of a kind of color of air brushing; The pigment of the another kind of color of back air brushing that turns an angle can be drawn out the alternate circular pattern of shade, and the more traditional cross thorn of this pattern identification precision dot pattern wants high.The utility model is simple in structure, is easy to carry.
As preferably, described angle is that α is the right angle.When α of the present utility model is the right angle, during use, place it in smooth ground, air brushing Chinese white in sector region; Air brushing dark pigment after rotating 90 ° rotates three times, can draw out the alternate circular pattern of shade, and is easy to operate, the identification height.
As preferably, the length of described location straight-bar is 1 ~ 1.5m.The long location straight-bar of 1 ~ 1.5m is easy to carry.
The technique effect that the utility model reaches is as follows: unifies the standard of thorn dot pattern, improved the identification precision of existing thorn dot pattern, and easy to use, be easy to carry about with one.
Description of drawings
Accompanying drawing 1 is a kind of land marking drawing tool structural representation of the present utility model.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail, obviously, described embodiment only is part embodiment of the present utility model.
Embodiment 1:
Referring to accompanying drawing 1, the utility model land marking drawing tool comprises the first location straight-bar 1 and the second location straight-bar 2, described two location straight-bar one ends are fixedly connected, the other end connects by a location circular arc bar 3, the length of described two location straight-bars is 1m, and the angle α of two location straight-bars is the right angle.
During actual the use, the utility model land marking drawing tool is placed on the smooth ground, air brushing Chinese white in sector region, rotate 90 ° after the air brushing dark pigment, so rotate air brushing three times, last pattern is one meter of the radius of unified standard, the circle that shade is alternate.The utility model is easy to carry, and the pattern recognition precision of drafting tradition thorn point is high, and the figure unification is difficult for obscuring with other signs.
Should be understood that above-described embodiment only is used for explanation the utility model and is not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (3)
1. land marking drawing tool is characterized in that: comprise the first location straight-bar (1) and the second location straight-bar (2), described two location straight-bar one ends α that has angle is fixedly connected, and the other end is by a location circular arc bar (3) connection.
2. land marking drawing tool according to claim 1, it is characterized in that: described angle is that α is the right angle.
3. land marking drawing tool according to claim 1, it is characterized in that: the length of described location straight-bar is 1 ~ 1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220426607.2U CN203065948U (en) | 2012-08-27 | 2012-08-27 | Ground surface mark drawing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220426607.2U CN203065948U (en) | 2012-08-27 | 2012-08-27 | Ground surface mark drawing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203065948U true CN203065948U (en) | 2013-07-17 |
Family
ID=48764759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220426607.2U Expired - Lifetime CN203065948U (en) | 2012-08-27 | 2012-08-27 | Ground surface mark drawing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203065948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735383A (en) * | 2019-10-30 | 2020-01-31 | 徐州蓝湖信息科技有限公司 | traffic road surface mark arrow mark scriber |
-
2012
- 2012-08-27 CN CN201220426607.2U patent/CN203065948U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735383A (en) * | 2019-10-30 | 2020-01-31 | 徐州蓝湖信息科技有限公司 | traffic road surface mark arrow mark scriber |
| CN110735383B (en) * | 2019-10-30 | 2021-08-31 | 徐州蓝湖信息科技有限公司 | Traffic road surface sign arrow point scriber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |