CN202485662U - Center-leveling reference device - Google Patents
Center-leveling reference device Download PDFInfo
- Publication number
- CN202485662U CN202485662U CN2012200708539U CN201220070853U CN202485662U CN 202485662 U CN202485662 U CN 202485662U CN 2012200708539 U CN2012200708539 U CN 2012200708539U CN 201220070853 U CN201220070853 U CN 201220070853U CN 202485662 U CN202485662 U CN 202485662U
- Authority
- CN
- China
- Prior art keywords
- center
- leveling
- reference device
- leveling reference
- theodolite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to a center-leveling reference device. The center-leveling reference device comprises an outer shell. The lower end of the outer shell is provided with a laser aligner. The upper end of the outer shell is provided with a circular level. The circular level is connected with the laser aligner. The device integrating the laser aligner and the circular level is applied to a tripod of a theodolite, so that a center-leveling process of the theodolite becomes convenient and rapid, and efficiency of surveying and mapping is improved. The center-leveling reference device uses plastic cement as materials for the outer shell, thereby being shockproof and broken-resistant. The center-leveling reference device is simple in over-all structure, low in cost, easy to operate, convenient to carry, capable of not only enhancing the installation speed the theodolite, but also improving the installation accuracy of the theodolite, and wide in promotion and application prospects.
Description
Technical field
The utility model relates to a kind of transit tripod annex, specifically is a kind of transit tripod centering leveling reference unit of realizing the leveling of transit tripod centering.
Background technology
The arrangement of latitude appearance mainly comprises neutralization leveling two parts, is the accurately important and primary link of observation of transit, and the precision of its arrangement and efficient will directly influence the precision of observation.In the transit observation of topographic condition more complicated such as soft or mountain region, the position of three foot rests need set up and fix to the arrangement of transit earlier, accomplishes the preliminary centering leveling, accomplishes the accurate centering leveling through moving with the foot bolt leveling of transit again.Concrete operation steps is: the preliminary centering leveling.Fixed tripod, range estimation judge that basic and corresponding point position, ground, the center of tripod cradle remains on the same perpendicular line, and make bearing end face maintenance level basically; The accurate centering leveling.Transit is installed, again through centralizer observation, is moved transit and tripod and reach centering, the foot bolt of adjustment transit makes circular bubble and pipe bubble reach leveling between two parties.The accurate leveling of transit and accurate centering need be carried out repeatedly, till the neutralization leveling is all arrived requirement.
Summary of the invention
The technical matters that the utility model will solve is the centering leveling reference unit that a kind of centering flattening course of design is convenient and swift, centering adjustment precision is high.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of centering leveling reference unit, it is characterized in that: comprise shell, the lower end of said shell is equipped with the laser alignment device, and the upper end of said shell is equipped with circular bubble, and said circular bubble is connected with the laser alignment device.
Below be further improvement to such scheme:
Said shell is trapezoidal.
Said shell is provided with the connecting line that is connected with tripod.
Compared with prior art, the utlity model has following characteristics: set laser centralizer and circular bubble are applied in the transit tripod in the device of one, make the centering flattening course of transit become convenient and swift, have improved the efficient of mapping.The utility model is enclosure material with the plastic cement, can shockproof, shatter-resistant.The device one-piece construction is simple, with low cost, easy to implement, is easy to carry, and it both can improve the arrangement speed of transit, also can improve the arrangement precision of transit, had broad prospect for its application.
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Description of drawings
Accompanying drawing 1 is the structural representation of centering leveling reference unit among the utility model embodiment.
Among the figure:
The 1-shell, 2-laser alignment device, 3-circular bubble, 4-connecting line.
Embodiment
Embodiment; A kind of centering leveling reference unit as shown in Figure 1 comprises shell 1, and the lower end of said shell 1 is equipped with laser alignment device 2; The upper end of said shell 1 is equipped with circular bubble 3; Said circular bubble 3 is connected with laser alignment device 2, and said shell 1 is trapezoidal, and said shell 1 is provided with the connecting line 4 that is connected with tripod.
Claims (3)
1. a centering flattens reference unit; It is characterized in that: comprise shell (1); The lower end of said shell (1) is equipped with laser alignment device (2), and the upper end of said shell (1) is equipped with circular bubble (3), and said circular bubble (3) is connected with laser alignment device (2).
2. a kind of centering leveling reference unit according to claim 1, it is characterized in that: said shell (1) is for trapezoidal.
3. a kind of centering leveling reference unit according to claim 2, it is characterized in that: said shell (1) is provided with the connecting line (4) that is connected with tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200708539U CN202485662U (en) | 2012-02-29 | 2012-02-29 | Center-leveling reference device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200708539U CN202485662U (en) | 2012-02-29 | 2012-02-29 | Center-leveling reference device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485662U true CN202485662U (en) | 2012-10-10 |
Family
ID=46960079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200708539U Expired - Fee Related CN202485662U (en) | 2012-02-29 | 2012-02-29 | Center-leveling reference device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202485662U (en) |
-
2012
- 2012-02-29 CN CN2012200708539U patent/CN202485662U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130229 |