CN112161641B - Method for calibrating coaxiality of vertical axis of laser plumb aligner and laser optical axis - Google Patents
Method for calibrating coaxiality of vertical axis of laser plumb aligner and laser optical axis Download PDFInfo
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- CN112161641B CN112161641B CN202010897549.0A CN202010897549A CN112161641B CN 112161641 B CN112161641 B CN 112161641B CN 202010897549 A CN202010897549 A CN 202010897549A CN 112161641 B CN112161641 B CN 112161641B
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- plumb aligner
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for calibrating coaxiality of a vertical axis of a laser plumb aligner and a laser optical axis, which comprises the steps of selecting a site, and selecting a corridor with a stair railing turning at the top of the corridor to be communicated; a laser plumb aligner is arranged at the corner of the selected stair, a laser target is arranged at one side of the laser plumb aligner, and a rotatable plane mirror is arranged above the laser plumb aligner at the corner of the stair; opening laser, precisely leveling the instrument, enabling the center of a laser spot to coincide with the center of a laser target, rotating the instrument by 180 degrees to see whether the laser spot coincides with the center of the laser target, if so, enabling a vertical axis of the instrument to be coaxial with a laser optical axis, and if not, adjusting by using an adjusting screw; the invention solves the defect that the instrument is limited by the field in the calibration, skillfully utilizes the idle place of the turning of the stair railing, shortens the distance by half of the plane mirror, has simple operation and can well ensure the precision.
Description
Technical Field
The invention belongs to the technical field of laser calibration, and relates to a method for calibrating coaxiality of a vertical axis of a laser plumb aligner and a laser optical axis.
Background
The laser plumb aligner is a building measuring instrument which takes a gravity line as a reference and gives a plumb straight line, has the characteristic of polishing up and down, and utilizes a semiconductor laser to generate a visible laser beam which coincides with the sight axis of a telescope according to an optical collimation principle. Through the detachable filter, the human eyes directly observe. The instrument is widely used for construction of high-rise buildings, high towers, chimneys, construction and installation of large-scale mechanical equipment and the like. The structure of the instrument requires that the laser optical axis be coaxial with the instrument vertical axis. The coaxiality of the alignment vertical axis and the laser optical axis needs a long-distance field (the field length is not less than 40 meters). Typically repair units do not have such a large site.
Disclosure of Invention
The invention aims to provide a method for calibrating coaxiality of a vertical axis of a laser plumb aligner and a laser optical axis, which solves the problem of overlarge field required in the existing calibration process.
The technical scheme adopted by the invention is that the method for calibrating the coaxiality of the vertical axis of the laser plumb aligner and the laser optical axis is implemented according to the following steps:
step 1, selecting a site, and selecting a corridor with a stair railing turning in communication with the roof;
step 2, placing a laser plumb aligner to be calibrated at the corner of the stair selected in the step 1, placing a laser target or square paper with a cross line at one side of the laser plumb aligner, and placing a rotatable plane mirror above the laser plumb aligner at the corner of the stair;
step 3, using a corrected laser plumb aligner to correctly adjust the angle of the plane mirror;
and 4, opening laser of the laser plumb aligner to be calibrated, precisely leveling the laser to be calibrated, enabling the center of a laser spot to coincide with the center of a laser target or the center of a cross wire in square paper, rotating the laser spot by 180 degrees to see whether the laser spot coincides with the center of the laser target, if so, enabling the vertical axis of the laser to be coaxial with the laser optical axis, and if not, adjusting by using an adjusting screw.
The invention is also characterized in that:
the corner of the stair selected in the step 2 is provided with a stainless steel platform, the stainless steel platform is positioned at a horizontal position, and the calibrated laser plumb meter is positioned on the stainless steel platform;
the surface of the stainless steel platform is provided with a round hole, the diameter of the round hole is the same as the diameter of the central screw of the laser plummet, and the central screw of the laser plummet is embedded into the round hole and fixed on the stainless steel platform;
the specific process of angle adjustment of the plane mirror in the step 3 is as follows: transmitting laser by using the corrected laser plumb aligner to enable a laser spot to be just hit at the center of a laser target or the center of a cross wire in square paper;
the center spiral of the laser plumb aligner to be calibrated is positioned on the same plumb line with the plane mirror;
wherein the distance between the laser plumb aligner to be calibrated and the plane mirror is not less than 20m;
wherein in the step 2, a laser target or square paper with cross lines is placed on one side of the laser plumb bob;
the specific adjustment process in the step 3 is as follows:
opening a laser plumb aligner, precisely leveling the aligner, enabling the center of a laser spot to coincide with the center of a laser target or the center of a cross line in square paper, rotating the aligner for 180 degrees, observing whether the laser spot coincides with the center of the laser target or the cross line, if so, indicating that the vertical axis of the aligner is coaxial with the laser optical axis, if not, adjusting half of the offset by a foot screw, and the other half of the offset by a shifting needle to adjust the correction screw to coincide, and repeatedly adjusting for several times until the alignment is carried out until the aligner rotates for one circle, namely 360 degrees, the laser spot is at the center of the cross line at each position.
The beneficial effects of the invention are as follows:
the method for calibrating the coaxiality of the vertical axis and the laser optical axis of the laser plumb aligner solves the defect that the instrument is limited by a field in calibration, skillfully utilizes the characteristic that the distance between the plane mirror can be shortened by half by using the idle place at the turning of the stair railing, has simple operation and can well ensure the precision.
Drawings
FIG. 1 is a schematic diagram of the installation of a stainless steel platform in a method for calibrating the coaxiality of a vertical axis of a laser plumb aligner and a laser optical axis of the invention;
fig. 2 is a schematic diagram of installation of a plane mirror in a method for calibrating coaxiality between a vertical axis of a laser plumb aligner and a laser optical axis of the present invention.
In the figure, 1 is a stainless steel platform and 2 is a rotatable plane mirror.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides a method for calibrating coaxiality between a vertical axis of a laser plumb aligner and a laser optical axis, which is implemented by the following steps:
step 1, selecting a site, and selecting a corridor with a stair railing turning in communication with the roof;
step 2, placing a laser plumb meter to be calibrated at the corner of the stair selected in the step 1, wherein a stainless steel platform 1 is arranged at the corner of the stair selected, the stainless steel platform 1 is positioned at a horizontal position, the laser plumb meter to be calibrated is positioned on the stainless steel platform 1, a round hole is formed in the surface of the stainless steel platform 1, the diameter of the round hole is the same as the diameter of the central spiral of the laser plumb meter, the central spiral of the laser plumb meter is embedded into the round hole and fixed on the stainless steel platform 1, a laser target or square paper with a cross line is placed at one side of the laser plumb meter, and a rotatable plane mirror 2 is placed above the laser plumb meter at the corner of the stair; the center spiral of the laser plummet and the plane mirror 2 are positioned on the same plumb line, and the distance between the laser plummet and the plane mirror 2 is not less than 20m;
step 3, using a corrected laser plumb aligner to correctly adjust the angle of the plane mirror, and using the corrected laser plumb aligner to emit laser so that a laser spot is just hit at the center of a laser target or the center of a cross wire in square paper;
and 4, opening the laser plumb aligner, precisely leveling the aligner, enabling the center of a laser spot to coincide with the center or the cross line of the laser target, rotating the aligner for 180 degrees, observing whether the laser spot coincides with the center or the cross line of the laser target, if so, indicating that the vertical axis of the aligner is coaxial with the optical axis of the laser, if not, adjusting half of the offset by using a foot screw, and the other half of the offset by using a poking needle to adjust a correction screw to coincide, and repeatedly adjusting for several times until the alignment is carried out until the alignment is turned to the rotation of the aligner for one circle, namely 360 degrees, and the laser spot is positioned at the center of the cross line at each position.
The invention uses the plane reflector reflection principle, only needs small field to reach the requirement, and simultaneously uses the characteristic setting method that the turning part of the stair railing is communicated with the roof to solve the problem of insufficient field length, and only needs more than one building with six floors.
Claims (4)
1. The method for calibrating the coaxiality of the vertical axis of the laser plumb aligner and the laser optical axis is characterized by comprising the following steps:
step 1, selecting a site, and selecting a corridor with a stair railing turning in communication with the roof;
step 2, placing a laser plumb aligner to be calibrated at the corner of the stair selected in the step 1, wherein a stainless steel platform (1) is arranged at the corner of the stair selected, the stainless steel platform (1) is positioned at a horizontal position, the laser plumb aligner to be calibrated is positioned on the stainless steel platform (1), a laser target or square paper with a cross wire is placed at one side of the laser plumb aligner, and a rotatable plane mirror (2) is placed at the corner of the stair above the laser plumb aligner;
and 3, using a corrected laser plumb aligner to correctly adjust the angle of the plane mirror, wherein the specific process of adjusting the angle of the plane mirror is as follows: transmitting laser by using the corrected laser plumb aligner to enable a laser spot to be just hit at the center of a laser target or the center of a cross wire in square paper;
and 4, opening the laser plumb aligner, precisely leveling the aligner, enabling the center of a laser spot to coincide with the center or the cross line of the laser target, rotating the aligner for 180 degrees, observing whether the laser spot coincides with the center or the cross line of the laser target, if so, indicating that the vertical axis of the aligner is coaxial with the optical axis of the laser, if not, adjusting half of the offset by using a foot screw, and the other half of the offset by using a poking needle to adjust a correction screw to coincide, and repeatedly adjusting for several times until the alignment is carried out until the alignment is turned to the rotation of the aligner for one circle, namely 360 degrees, and the laser spot is positioned at the center of the cross line at each position.
2. The method for calibrating the coaxiality of the vertical shaft of the laser plummet and the laser optical axis according to claim 1 is characterized in that a round hole is formed in the surface of the stainless steel platform (1), the diameter of the round hole is the same as the diameter of the central spiral of the laser plummet, and the central spiral of the laser plummet is embedded into the round hole and is fixed on the stainless steel platform (1).
3. The method for calibrating the coaxiality of the vertical axis and the laser optical axis of the laser plummet according to claim 1, wherein the central spiral of the laser plummet to be calibrated is positioned on the same plumb line with the plane mirror (2).
4. The method for calibrating the coaxiality of the vertical axis of the laser plummet and the laser optical axis according to claim 1, wherein the distance between the laser plummet to be calibrated and the plane mirror (2) is not less than 20m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897549.0A CN112161641B (en) | 2020-08-31 | 2020-08-31 | Method for calibrating coaxiality of vertical axis of laser plumb aligner and laser optical axis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010897549.0A CN112161641B (en) | 2020-08-31 | 2020-08-31 | Method for calibrating coaxiality of vertical axis of laser plumb aligner and laser optical axis |
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| CN112161641A CN112161641A (en) | 2021-01-01 |
| CN112161641B true CN112161641B (en) | 2023-10-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359415A1 (en) * | 2003-12-16 | 2005-07-14 | Trimble Jena Gmbh | Method for calibrating a surveying device |
| CN102032920A (en) * | 2010-11-11 | 2011-04-27 | 宜昌市计量检定测试所 | Device and method for calibrating plumb aligner |
| CN104949689A (en) * | 2015-06-05 | 2015-09-30 | 武汉天宇光电仪器有限公司 | Source imaging-based laser plummet digital calibrating method and device |
| CN206311111U (en) * | 2016-12-30 | 2017-07-07 | 北京拉特激光精密仪器有限公司 | A kind of digitized calibrating installation of plumb aligner |
| CN206362355U (en) * | 2016-12-29 | 2017-07-28 | 中国科学院西安光学精密机械研究所 | Pose measuring and calculating optical instrument |
| CN109631946A (en) * | 2018-12-27 | 2019-04-16 | 上海建工集团股份有限公司 | Test method, the test macro of laser dipmeter precision |
| CN110243355A (en) * | 2019-06-11 | 2019-09-17 | 中国一冶集团有限公司 | A kind of method of short distance calibration laser plummet apparatus |
| CN110319852A (en) * | 2019-05-23 | 2019-10-11 | 上海机电工程研究所 | Screen prjection formula optical target simulation system calibration method based on three-axle table |
| CN211205330U (en) * | 2019-12-31 | 2020-08-07 | 陕西交通职业技术学院 | Total station calibration platform with laser plummet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211492B4 (en) * | 2013-06-19 | 2020-10-15 | Trimble Jena Gmbh | Determination of a measurement error |
| DE102015122057B3 (en) * | 2015-12-17 | 2017-07-06 | Endress+Hauser Gmbh+Co. Kg | Calibration system for calibrating at least one distance measuring device and associated calibration method |
-
2020
- 2020-08-31 CN CN202010897549.0A patent/CN112161641B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359415A1 (en) * | 2003-12-16 | 2005-07-14 | Trimble Jena Gmbh | Method for calibrating a surveying device |
| CN102032920A (en) * | 2010-11-11 | 2011-04-27 | 宜昌市计量检定测试所 | Device and method for calibrating plumb aligner |
| CN104949689A (en) * | 2015-06-05 | 2015-09-30 | 武汉天宇光电仪器有限公司 | Source imaging-based laser plummet digital calibrating method and device |
| CN206362355U (en) * | 2016-12-29 | 2017-07-28 | 中国科学院西安光学精密机械研究所 | Pose measuring and calculating optical instrument |
| CN206311111U (en) * | 2016-12-30 | 2017-07-07 | 北京拉特激光精密仪器有限公司 | A kind of digitized calibrating installation of plumb aligner |
| CN109631946A (en) * | 2018-12-27 | 2019-04-16 | 上海建工集团股份有限公司 | Test method, the test macro of laser dipmeter precision |
| CN110319852A (en) * | 2019-05-23 | 2019-10-11 | 上海机电工程研究所 | Screen prjection formula optical target simulation system calibration method based on three-axle table |
| CN110243355A (en) * | 2019-06-11 | 2019-09-17 | 中国一冶集团有限公司 | A kind of method of short distance calibration laser plummet apparatus |
| CN211205330U (en) * | 2019-12-31 | 2020-08-07 | 陕西交通职业技术学院 | Total station calibration platform with laser plummet |
Non-Patent Citations (7)
| Title |
|---|
| 何兵 ; 陈华健 ; 罗刚 ; .激光轴与竖轴同轴度的测量不确定度评定.计量与测试技术.2015,(第05期),全文1-2页. * |
| 垂准仪的原理、校准方法及不确定度分析;夏天豪;;上海计量测试(第02期);全文 * |
| 夏天豪 ; .垂准仪的原理、校准方法及不确定度分析.上海计量测试.2013,(第02期),全文1-3页. * |
| 孙志铁 ; 龚玉宏 ; .激光垂准仪的检测.同煤科技.2010,(第04期),全文. * |
| 测绘仪器计量检定现状与前景;阮林林;测绘技术装备;全文 * |
| 激光垂准仪的检测;孙志铁;龚玉宏;;同煤科技(第04期);全文 * |
| 激光轴与竖轴同轴度的测量不确定度评定;何兵;陈华健;罗刚;;计量与测试技术(第05期);全文 * |
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