CN117470279A - Optical level i angle scaleless checking and correcting method - Google Patents
Optical level i angle scaleless checking and correcting method Download PDFInfo
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- CN117470279A CN117470279A CN202311506236.8A CN202311506236A CN117470279A CN 117470279 A CN117470279 A CN 117470279A CN 202311506236 A CN202311506236 A CN 202311506236A CN 117470279 A CN117470279 A CN 117470279A
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- 238000007689 inspection Methods 0.000 claims abstract description 17
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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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Abstract
The invention provides a non-scale inspection and correction method for an i angle of an optical level, which comprises the following steps: searching a field with the length of 12-15m, taking the vertical faces at the two ends of the field as a first vertical face and a second vertical face respectively, erecting a level at the midpoint of the straight line distance between the two vertical faces, leveling the level, aiming at the first vertical face, and making a first horizontal mark line with a preset size on the first vertical face so that the first horizontal mark line is overlapped with an eyepiece cross wire middle wire of the level; turning the direction of a telescope of the level, and making a second horizontal mark line on the second vertical face so that the second horizontal mark line is overlapped with the eyepiece cross wire middle wire of the level. The invention can operate indoors only by a field with the length of 12m-15m, does not need a staff gauge, eliminates possible reading errors, reduces the conditions required by the detection of the i angle of the optical level, is simple and quick to operate, and really realizes the daily detection of the optical level.
Description
Technical Field
The invention relates to the technical field of engineering measurement, in particular to a non-scale inspection and correction method for an i angle of an optical level.
Background
The optical level is the most commonly used measuring instrument in the construction of building engineering, and the i angle of the optical level is the included angle formed by the nonparallel sight axis and the horizontal axis of the level. The instrument is subjected to vibration, temperature change, manufacturing and other reasons to generate an i angle error, and after the error exceeds the limit, the instrument frame can observe that the high difference values of two identical points at different positions are different, so that the reliability of the measured value is lost.
The angle error of the optical level i is not easy to detect, and the loss is caused when the angle error is found. Therefore, the detection of the i angle of the level is an important work, the i angle of the level needs to be detected before daily use of the instrument, whether the i angle of the instrument is out of tolerance is calculated and judged according to the i angle detection formula, and if the i angle is out of tolerance, the i angle of the instrument needs to be corrected, and the i angle can be used after the i angle is qualified. The instrument inspection and correction is a highly specialized task, the detection process requires a field with a length of 60m to 80m, two fixed points or pads with a distance of 60m to 80m, two leveling staff, and the process requires staff reading, recording and calculating. The site conditions required by the standard detection method are often not satisfied at the construction site. In addition, the problems of scale reading errors, data recording errors, long viewing distance and the like lead the detection of the angle i of the instrument to be an inconvenient work in a construction site. In addition, many instrument users are not professional testers, the instrument needs to wait for annual inspection and then send to an inspection department for inspection and correction, the angle i of the instrument is out of tolerance and cannot be found in time, and the instrument does not have professional knowledge to eliminate deviation, so that problems occur in measurement data, and economic losses are caused in time, manpower and materials in engineering.
Disclosure of Invention
In view of the above, the invention provides a non-staff checking and correcting method for an i angle of an optical level, which aims to solve the problem that the conventional i angle checking and correcting operation of the optical level is inconvenient.
The invention provides a non-scale inspection and correction method for an i angle of an optical level, which comprises the following steps:
step 1, searching a field with the length of 12-15m, and taking vertical faces at two ends of the field as a first vertical face and a second vertical face respectively;
step 2, erecting a level at the midpoint of the straight line distance between two vertical faces and leveling the level;
aiming at a first elevation, and making a first horizontal marking line with a preset size on the first elevation to enable the first horizontal marking line to coincide with a middle wire of an eyepiece cross hair of the level;
step 4, turning the direction of a telescope of the level, and making a second horizontal mark line on the second elevation so that the second horizontal mark line is overlapped with a middle wire of an eyepiece cross hair of the level;
step 5, moving the level and the tripod thereof until the level and the tripod thereof are leveled after a preset distance is kept between the level and the second elevation;
step 6, aiming a second horizontal marking line by using a level gauge, and adjusting the height of the instrument by using three foot screws and a tripod of the level gauge until the second horizontal marking line observed by an objective lens coincides with a cross wire middle wire in an eyepiece, and meanwhile, a level gauge bubble of the level gauge is centered;
step 7, aiming the first horizontal marking line by using a level gauge, observing the relative positions of the first horizontal marking line and the wire in the cross wire in the ocular, and if the first horizontal marking line is overlapped with the wire in the cross wire in the ocular, considering that the i angle error of the level gauge is not overrun, and continuing to use; if the angle i is not coincident, determining whether the angle i exceeds the limit or not by calculating the angle i, and if the angle i is calculated and confirmed to exceed the limit, observing in a lens while using a tool to stir the angle i of the instrument to correct the spiral until the mark line is completely coincident with the middle wire of the cross wire under the condition that the level is not moved.
Furthermore, in the optical level i angle scaleless checking and correcting method, the vertical surface is a pillar or a wall surface.
Further, in the above-mentioned optical level i angle scaleless inspection and correction method, the first horizontal marker line and the second horizontal marker line have the same size.
Further, in the above-mentioned optical level i angle scaleless inspection and correction method, the line length of the first horizontal marking line and the second horizontal marking line is 10mm, and the line width is 0.5mm.
Further, in the above-mentioned optical level i angle scaleless inspection and correction method, the preset distance in the step 5 is 1-2m.
Further, in the above-mentioned method for checking and correcting the angle i of the optical level without scale, in the step 5, the extension length and the opening angle of the tripod are consistent with those of the previous station.
Further, in the above optical level i angle scaleless inspection and correction method, the step 7 further includes: and (3) aiming the second horizontal mark line or the first horizontal mark line again by rotating the lens, and observing the relative positions of the second mark line or the first horizontal mark line and the middle wire of the cross wire, if the relative positions coincide, completing instrument correction. And if the cross wires do not coincide, repeating the steps 6 to 8 until the cross wire of the level gauge coincides with the first horizontal mark line and the second horizontal mark line at the same time, and finishing the instrument correction.
In the step 7, if the first horizontal mark line is not overlapped with the cross wire middle wire in the eyepiece, the initial scale is aligned with the first horizontal mark line by vertically placing a steel plate ruler with a measuring range of 150mm on the first horizontal mark line, and the scale value of the wire in the level at the corresponding position on the steel plate ruler is read, and if the scale value exceeds 1mm, the i angle is considered to be overrun.
According to the optical level i angle scaleless checking and correcting method, only a field with the length of 12m-15m is needed, the operation can be carried out indoors, the influence of outdoor illumination, temperature and atmospheric environment on observation is eliminated, and the observation precision is improved; the operation is simple and easy, the error possibly generated by reading the staff gauge is eliminated, so that an operator of a general instrument can check and correct the angle i of the level gauge like a full-time measurer, the labor is saved, the construction cost is reduced, and the probability of economic loss caused by the internal error of the instrument is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a flow chart of a method for optical level i angle scaleless inspection and correction provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of the optical level i angle non-scale inspection and calibration method according to the embodiment of the invention;
fig. 3 is a schematic diagram of another structure of the optical level i angle non-scale checking and correcting method according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, the optical level i angle scaleless inspection and correction method according to an embodiment of the present invention includes the steps of:
step 1, searching a field with the length of 12-15m, and taking the vertical faces at the two ends of the field as a first vertical face and a second vertical face respectively.
Specifically, the field with the length of 12-15m is easy to find in a building field, and the field with the length can be operated indoors, so that the influence of outdoor illumination, temperature and atmospheric environment on observation is eliminated, and the observation precision is improved. The vertical surface is a column, a wall surface or other fixed vertical surfaces.
Referring to fig. 2, step 2, a level is erected at the midpoint of the straight-line distance of two elevations and leveled.
In specific implementation, a walking method can be adopted to measure and determine the midpoint of the straight line distance between the two vertical faces.
And 3, aiming at a first elevation, and making a first horizontal marking line on the first elevation so that the first horizontal marking line is overlapped with an eyepiece cross hair middle wire of the level.
Specifically, the first horizontal mark line has a line length of 10mm and a line width of 0.5mm. Because the field length is short, the required marking lines are not required to be too long, and can be clearly observed.
And 4, turning the direction of a telescope of the level, and making a second horizontal marking line on the second elevation so that the second horizontal marking line coincides with a middle wire of an eyepiece cross hair of the level.
Specifically, the first horizontal marking line and the second horizontal marking line are the same in size. The second horizontal mark line has a line length of 10mm and a line width of 0.5mm.
Referring to fig. 3, step 5, the level and its tripod are moved until the level and its tripod are leveled after a predetermined distance from the second elevation.
Specifically, the preset distance is 1-2m, namely the second elevation close to the tripod can be used as a reference point. The extension and the opening angle of the tripod are consistent with those of the previous station, namely, the tripod is placed at the midpoint.
And 6, aiming a second horizontal marking line by using a level gauge, and adjusting the height of the instrument by using three foot screws and a tripod of the level gauge until the second horizontal marking line observed by an objective lens coincides with a cross wire in an eyepiece, and meanwhile, the air bubble of the level gauge is centered.
Step 7, aiming the first horizontal marking line by using a level gauge, observing the relative positions of the first horizontal marking line and the wire in the cross wire in the ocular, and if the first horizontal marking line is overlapped with the wire in the cross wire in the ocular, considering that the i angle error of the level gauge is not overrun, and continuing to use; if the instrument i is not overlapped, under the condition that the level gauge is not moved, the instrument i is stirred to correct the spiral by using the tool while observing in the lens until the mark line is completely overlapped with the cross wire middle wire.
When the method is implemented, if the first horizontal mark line is not overlapped with a wire in a cross wire in an eyepiece, a steel plate rule with the measuring range of 150mm is vertically placed at the first horizontal mark line, so that an initial scale is aligned with the first horizontal mark line, a scale value of the wire in the level at a corresponding position on the steel plate rule is read, and when the scale value exceeds 1mm, the angle i is considered to be out of limit and needs to be corrected.
It should be noted that, in the embodiment of the present invention, the "first" and the "second" in the first elevation and the second elevation, the first horizontal marking line and the second horizontal marking line do not have a sequential order, and only have a marking effect.
In this embodiment, the step 7 further includes: and (3) aiming the second horizontal mark line or the first horizontal mark line again by rotating the lens, and observing the relative positions of the second mark line or the first horizontal mark line and the middle wire of the cross wire, if the relative positions coincide, completing instrument correction. And if the cross wires do not coincide, repeating the steps 6 to 8 until the cross wire of the level gauge coincides with the first horizontal mark line and the second horizontal mark line at the same time, and finishing the instrument correction.
In summary, the optical level i angle staff-less checking and correcting method reduces the field condition requirements for checking and correcting the level, only needs a length distance of 12m to 15m, is easy to find out the field in a building field, can be operated indoors, does not need a staff, eliminates the influence of outdoor illumination, temperature and atmospheric environment on observation, and improves the observation precision; the method reduces the difficulty of the traditional method for checking and correcting the angle i of the optical level, eliminates the error possibly generated by reading the staff, ensures that an operator of a general instrument can check and correct the angle i of the level like a professional measurer, saves labor, reduces construction cost and reduces the probability of economic loss caused by the internal error of the instrument.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The optical level angle i scaleless checking and correcting method is characterized by comprising the following steps:
step 1, searching a field with the length of 12-15m, and taking vertical faces at two ends of the field as a first vertical face and a second vertical face respectively;
step 2, erecting a level at the midpoint of the straight line distance between two vertical faces and leveling the level;
aiming at a first elevation, and making a first horizontal marking line with a preset size on the first elevation to enable the first horizontal marking line to coincide with a middle wire of an eyepiece cross hair of the level;
step 4, turning the direction of a telescope of the level, and making a second horizontal mark line on the second elevation so that the second horizontal mark line is overlapped with a middle wire of an eyepiece cross hair of the level;
step 5, moving the level and the tripod thereof until the level is leveled after a preset distance is kept between the level and the second elevation;
step 6, aiming a second horizontal marking line by using a level gauge, and adjusting the height of the instrument by using three foot screws and a tripod of the level gauge until the second horizontal marking line observed by an objective lens coincides with a cross wire middle wire in an eyepiece, and meanwhile, a level gauge bubble of the level gauge is centered;
step 7, aiming the first horizontal marking line by using a level gauge, observing the relative positions of the first horizontal marking line and the wire in the cross wire in the ocular, and if the first horizontal marking line is overlapped with the wire in the cross wire in the ocular, considering that the i angle error of the level gauge is not overrun, and continuing to use; if the instrument i is not overlapped, under the condition that the level gauge is not moved, the instrument i is stirred to correct the spiral by using the tool while observing in the lens until the mark line is completely overlapped with the cross wire middle wire.
2. The method of optical level i angle scaleless inspection and correction according to claim 1, characterized in that said facade is a post or a wall.
3. The optical level i angle staff-less verification and correction method of claim 1 wherein the first horizontal marker line and the second horizontal marker line are the same size.
4. The optical level i angle scaleless inspection and correction method according to claim 1, wherein the line length of the first horizontal marking line and the second horizontal marking line is 10mm and the line width is 0.5mm.
5. The method for verifying and correcting the angle of an optical level i without a scale according to claim 1, wherein the preset distance in the step 5 is 1-2m.
6. The method of calibrating and checking the angle of an optical level according to claim 1, wherein in the step 5, the extension length and the opening angle of the tripod are consistent with those of the previous station.
7. The method for optical level i angle scaleless inspection and correction according to claim 1, characterized in that said step 7 further comprises, after: and (3) aiming the second horizontal mark line or the first horizontal mark line again by rotating the lens, and observing the relative positions of the second mark line or the first horizontal mark line and the middle wire of the cross wire, if the relative positions coincide, completing instrument correction.
8. And if the cross wires do not coincide, repeating the steps 6 to 8 until the cross wire of the level gauge coincides with the first horizontal mark line and the second horizontal mark line at the same time, and finishing the instrument correction.
9. The method according to claim 1, wherein in the step 7, if the first horizontal mark line is not overlapped with the cross wire in the eyepiece, the initial scale is aligned with the first horizontal mark line by vertically placing a steel plate ruler with a measuring range of 150mm on the first horizontal mark line, and the scale value of the wire in the level at the corresponding position on the steel plate ruler is read, and when the scale value exceeds 1mm, the i angle is considered to be out of limit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311506236.8A CN117470279A (en) | 2023-11-13 | 2023-11-13 | Optical level i angle scaleless checking and correcting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311506236.8A CN117470279A (en) | 2023-11-13 | 2023-11-13 | Optical level i angle scaleless checking and correcting method |
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| CN117470279A true CN117470279A (en) | 2024-01-30 |
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| CN202311506236.8A Pending CN117470279A (en) | 2023-11-13 | 2023-11-13 | Optical level i angle scaleless checking and correcting method |
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