CN201589617U - Device for fixing compass during surveying - Google Patents
Device for fixing compass during surveying Download PDFInfo
- Publication number
- CN201589617U CN201589617U CN2009202441234U CN200920244123U CN201589617U CN 201589617 U CN201589617 U CN 201589617U CN 2009202441234 U CN2009202441234 U CN 2009202441234U CN 200920244123 U CN200920244123 U CN 200920244123U CN 201589617 U CN201589617 U CN 201589617U
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- China
- Prior art keywords
- compass
- pedestal
- foot rest
- prism
- centering
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Abstract
The utility model provides a device for fixing a compass during surveying, and solves the problems of the conventional compass that a relatively thin wooden foot rest is used for mounting the compass, which is very unstable, and the centering manner adopts the plumb bob centering manner, which causes that the compass mounting is slow, the mounting is subject to external wind, and the centering precision is lower. The fixation device comprises a foot rest (1); a prism base is mounted on the foot rest, and is connected with a compass (3) through a cylindrical connecting part (2); a round groove (4) is formed on the cylindrical connecting part along the radial direction thereof; the prism base is clamped in the groove through a jackscrew (5); and the connecting part and the compass are in threaded connection with each other. The product is used for fixing the compass during surveying.
Description
Technical field:
The utility model relates to the stationary installation in a kind of compass survey process.
Background technology:
Box compass in use, the precision of the arrangement stability of instrument, the accuracy of centering influence observation straight line magnetic azimuth, the efficient of the speed influence observation of equipment placement.Original box compass uses comparatively slender wooden foot rest in instrumentation, extremely unstable, its centering mode adopts plumb bob centering, not only equipment placement speed slow, be subject to extraneous windage, and accuracy of alignment is lower.Getting rid of under the prerequisite of windage, accuracy of alignment can only reach 3mm, and general error is at 5-10mm under the condition of gentle breeze, and box compass is to carry out surveying work in the open air, and absolute calm situation is non-existent.
In surveying work, the distance of measuring straight line generally adopts total powerstation (or stadimeter) to be placed on the end points of straight line, and another end points is settled reflecting prism.When measuring the magnetic azimuth of this straight line, need settle box compass again, both increased the field work workload, lose time again.
Summary of the invention:
The purpose of this utility model is to provide stationary installation in a kind of compass survey process at the problems referred to above, can not be subjected to the influence of extraneous wind-force effectively to improve accuracy of alignment, saves observation time, reduces and measure operation labor intensity.
Above-mentioned purpose realizes by following technical scheme:
Stationary installation in the compass survey process, its composition comprises: foot rest, the prism pedestal is installed on the described foot rest, described prism pedestal connects box compass by the right cylinder web member, radially has a circle groove on the described right cylinder web member, described prism pedestal blocks described groove by jackscrew, and described web member and described box compass are by being threaded.
Stationary installation in the described compass survey process, described prism pedestal comprises the web joint that is connected with described foot rest, pass through three foot screw mounting bases on the described web joint, has circular bubble on the described pedestal, described pedestal has fixedly spiral and pipe level, have optical centering device on the described pedestal, be positioned at described optical centering device top on the described pedestal and have clamp screw and connect described jackscrew.
The beneficial effects of the utility model:
1. in surveying work, the distance of measuring straight line generally adopts total powerstation (or stadimeter) to be placed on the end points of straight line, another end points is settled reflecting prism, when measuring the magnetic azimuth of this straight line, the reflecting prism foot rest that the utility model utilization flattens in distance measurement process, centering is good is connected with pedestal, directly measure the magnetic azimuth of straight line, saved leveling, the centering process of box compass, saved observation time, reduced the measurement operation labor intensity.
In the past in surveying work, the centering of box compass is that instrument is loaded on the tripod, and after hanging up plumb bob, mobile tripod is in on ten pedal line centre and ground point, make the plumb bob point aim at the survey station point, this moment, centre and ground point were on same the pedal line.The mode of this employing plumb bob centering is subject to the outdoor environment windage, precision is lower, and the utility model has adopted total powerstation reflecting prism centering to adopt optical plummet to carry out centering, and precision is in 1mm, be not subjected to extraneous windage, improved the precision of centering greatly.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is that web member partly amplifies 5 times structural representation in the accompanying drawing 1.
Accompanying drawing 3 is vertical views of accompanying drawing 2.
Embodiment:
Embodiment 1:
Stationary installation in the compass survey process, its composition comprises: foot rest 1, the prism pedestal is installed on the described foot rest, described prism pedestal connects box compass 3 by right cylinder web member 2, radially has a circle groove 4 on the described right cylinder web member, described prism pedestal blocks described groove by jackscrew 5, and described web member and described box compass are by being threaded.
Embodiment 2:
Stationary installation in the described compass survey process, described prism pedestal comprises the web joint 6 that is connected with described foot rest, pass through three foot screw 7 mounting bases 8 on the described web joint, has circular bubble 9 on the described pedestal, described pedestal has fixedly spiral 11 and pipe level 12, have optical centering device 13 on the described pedestal, be positioned at described optical centering device top on the described pedestal and have the described jackscrew of clamp screw 10 connections.
Using method:
In surveying work, after using total powerstation (stadimeter) to measure distance, keep foot rest and prism pedestal motionless, remove prism,, adjust clamp screw chucking jackscrew the connecting hole of right cylinder web member insertion prism pedestal, then box compass is connected with the right cylinder web member, leveling during owing to the use prism, centering work are finished, and have so just saved leveling, the centering work of box compass, and directly measurement gets final product.And optical centering device is higher than plumb bob accuracy of alignment, more is not subjected to the influence of outdoor environment.
Claims (2)
1. the stationary installation in the compass survey process, its composition comprises: foot rest, it is characterized in that: the prism pedestal is installed on the described foot rest, described prism pedestal connects box compass by the right cylinder web member, radially has a circle groove on the described right cylinder web member, described prism pedestal blocks described groove by jackscrew, and described web member and described box compass are by being threaded.
2. the stationary installation in the compass survey process according to claim 1, it is characterized in that: described prism pedestal comprises the web joint that is connected with described foot rest, pass through three foot screw mounting bases on the described web joint, has circular bubble on the described pedestal, described pedestal has fixedly spiral and pipe level, have optical centering device on the described pedestal, be positioned at described optical centering device top on the described pedestal and have clamp screw and connect described jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202441234U CN201589617U (en) | 2009-11-19 | 2009-11-19 | Device for fixing compass during surveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202441234U CN201589617U (en) | 2009-11-19 | 2009-11-19 | Device for fixing compass during surveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589617U true CN201589617U (en) | 2010-09-22 |
Family
ID=42749404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202441234U Expired - Fee Related CN201589617U (en) | 2009-11-19 | 2009-11-19 | Device for fixing compass during surveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510633A (en) * | 2015-11-25 | 2016-04-20 | 江苏天赋新能源工程技术有限公司 | Zero correction system for wind indicator |
| CN107300381A (en) * | 2017-07-25 | 2017-10-27 | 深圳市富盟丰电子有限公司 | A kind of laser calibration device for being used to load compass |
| CN113252078A (en) * | 2021-05-31 | 2021-08-13 | 中铁隧道集团一处有限公司 | Universal integrated prism base centering device calibration method |
-
2009
- 2009-11-19 CN CN2009202441234U patent/CN201589617U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510633A (en) * | 2015-11-25 | 2016-04-20 | 江苏天赋新能源工程技术有限公司 | Zero correction system for wind indicator |
| CN105510633B (en) * | 2015-11-25 | 2018-08-10 | 江苏天赋新能源工程技术有限公司 | Wind vane zero correction system |
| CN107300381A (en) * | 2017-07-25 | 2017-10-27 | 深圳市富盟丰电子有限公司 | A kind of laser calibration device for being used to load compass |
| CN107300381B (en) * | 2017-07-25 | 2024-01-16 | 深圳市富盟丰电子有限公司 | Laser calibration device for loading compass |
| CN113252078A (en) * | 2021-05-31 | 2021-08-13 | 中铁隧道集团一处有限公司 | Universal integrated prism base centering device calibration method |
| CN113252078B (en) * | 2021-05-31 | 2022-09-02 | 中铁隧道集团一处有限公司 | Universal integrated prism base centering device calibration method |
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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: 20100922 Termination date: 20111119 |