CN216348676U

CN216348676U - Indoor quick checking device for digital level

Info

Publication number: CN216348676U
Application number: CN202123205161.9U
Authority: CN
Inventors: 沈迎光; 吴学文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-19
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of digital levels, in particular to an indoor quick calibration device of a digital level, which takes a bar code leveling staff miniature image with a specific sight distance as an observation target of the digital level, accurately simulates an outdoor calibration method, realizes the indoor internalization of the digital level target, gives consideration to the self calibration program of the instrument and the method specified by the instrument calibration procedure, can directly and quickly measure the items of the instrument, such as an electronic i angle, a compensation error, a single measurement standard deviation and the like, and has the advantages of simple structure, low manufacturing cost, stability and practicability; the verification of the optical item and the electronic item of the digital level can be completed simultaneously; all the checking and correcting work can be completed by only one person; the method overcomes a series of problems of limitation of precision and efficiency, equipment cost, labor cost and the like of the traditional method, solves the problems of low precision, low efficiency and the like of the digital level checking method, can improve the working efficiency by more than 5 times, improve the checking precision by more than 4 times, and effectively reduce the cost.

Description

Indoor quick checking device for digital level

Technical Field

The utility model relates to the technical field of digital levels, in particular to an indoor quick calibration device of a digital level.

Background

With the continuous development of modern surveying and mapping equipment, leveling gradually moves to the matched use of digital level and bar code levelling rod, and the digital level also gradually realizes high accuracy and automation. The traditional digital level is usually calibrated by combining an indoor method and an outdoor method, optical items are calibrated indoors, and a bar code leveling staff is matched with the outdoor method to finish electronic item calibration. The digital level needs to measure the main electronic items of electronic i angle, compensation error and single measurement standard deviation, which all need to calculate the measurement through the digital level reading, and particularly, the electronic i angle needs to be corrected by adopting a program method specified by an instrument. Therefore, the outdoor method for checking the digital level gauge not only needs the matched equipment such as a bar code leveling staff, a foot rest, a ruler pad and the like, but also needs redundant observers for holding a ruler and moving a measuring station, and is also easily influenced by environmental factors such as temperature, illumination, vibration, target shielding and the like. Therefore, the electronic project of the traditional outdoor method for checking the digital level has the characteristics of high equipment and personnel cost, complex procedure, low efficiency, low stability and precision and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing problems, the utility model provides the indoor quick calibration device for the digital level, the device has the advantages of low construction cost, small occupied space, simple structure, convenience in manufacture, easiness in operation, better integration and stability and stronger practicability, the calibrated device can simultaneously meet the calibration of optical items and electronic items of the digital level, the calibration precision of the digital level can be effectively improved by more than 4 times, the production operation efficiency is effectively improved by more than 5 times, and the personnel and equipment cost is effectively reduced.

In order to achieve the above object, the present invention adopts the following technical solutions:

indoor quick checking device of digital level, including the settling table, be provided with the collimator on the settling table, and collimator objective end is provided with the optical wedge micrometer, the collimator keeps away from the one end sliding connection of optical wedge micrometer and has a telescopic cylinder, and telescopic cylinder bottom is provided with the guide rail, telescopic cylinder passes through guide rail and collimator sliding connection, fixedly in the telescopic cylinder be provided with the graticule, and the graticule is provided with miniature image and cross wire, the graticule is located collimator's objective focal plane, and collimator's objective center, the intersection point of optical wedge micrometer center and cross wire is located same straight line, telescopic cylinder's end is provided with ground glass board and light source, settling table one side is provided with observes the mound, and it is provided with digital level to observe the mound top.

Preferably, a fixing ring is fixedly arranged in the telescopic cylinder, and the telescopic cylinder is fixedly provided with a reticle through the fixing ring.

Preferably, the miniature image is provided with a bar code leveling staff matched with a common high-precision level, the guide rail is provided with equidistant scales, and the guide rail is provided with scale values corresponding to the equidistant scales.

Preferably, the mounting table is fixedly provided with a plurality of sets of correction screws, a bracket is fixedly arranged between the two sets of correction screws, and the mounting table is provided with the collimator through the bracket.

Preferably, the observation pier is provided with a lifting disc, the top of the lifting disc is provided with a fixed mounting table, the top of the mounting table is in threaded connection with a fixing screw, the intersection point of a plumb line of the fixing screw and the objective lens center of the collimator and the cross wire is located on the same plumb plane, and the observation pier is provided with a digital level gauge through the fixing screw.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model takes the bar code levelling staff miniature image with specific sight distance as the observation target of the digital level, accurately simulates an outdoor checking method, realizes the indoor internalization of the digital level target, gives consideration to the self checking program of the instrument and the method specified by the verification procedure of the instrument, can directly and quickly determine the items of the instrument, such as an electronic i angle, a compensation error, a single measurement standard deviation and the like, and has the advantages of simple structure, low manufacturing cost, stability and practicability; the verification of the optical item and the electronic item of the digital level can be completed simultaneously; all the checking and correcting work can be completed by only one person; the method overcomes a series of problems of limitation of precision and efficiency, equipment cost, labor cost and the like of the traditional method, solves the problems of low precision, low efficiency and the like of the digital level checking method, can improve the working efficiency by more than 5 times, improve the checking precision by more than 4 times, and effectively reduce the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of a reticle of the present invention;

FIG. 3 is a front view of a collimator of the present invention;

FIG. 4 is a schematic structural diagram of an optical wedge micrometer according to the present invention;

FIG. 5 is an illuminated front view of a reticle of the present invention;

fig. 6 is a view showing an installation state of the digital level according to the present invention.

In the figure: 1. a collimator; 2. an optical wedge micrometer; 3. a reticle; 4. a telescopic cylinder; 5. a ground glass plate; 6. a light source; 7. a guide rail; 8. a fixing ring; 9. a bracket; 10. correcting the spiral; 11. an installation table; 12. fixing screws; 13. observing the pier; 14. a placing table; 15. a lifting plate; 16. micro-image; 17. a cross-hair.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

As shown in fig. 1-6, the digital level indoor rapid calibration device comprises a mounting table 14, a collimator 1 is arranged on the mounting table 14, and the objective end of the collimator 1 is provided with an optical wedge micrometer 2, one end of the collimator 1 far away from the optical wedge micrometer 2 is connected with a telescopic cylinder 4 in a sliding way, the bottom of the telescopic cylinder 4 is provided with a guide rail 7, the telescopic cylinder 4 is connected with the collimator 1 in a sliding way through the guide rail 7, a reticle 3 is fixedly arranged in the telescopic cylinder 4, and the reticle 3 is provided with a miniature image 16 and a cross wire 17, the reticle 3 is positioned on the focal plane of the objective lens of the collimator 1, and the intersection point of the objective center of the collimator 1, the center of the optical wedge micrometer 2 and the cross wire 17 is positioned on the same straight line, the tail end of the telescopic cylinder 4 is provided with a ground glass plate 5 and a light source 6, one side of the mounting table 14 is provided with an observation pier 13, and the top of the observation pier 13 is provided with a digital level gauge.

A fixing ring 8 is fixedly arranged in the telescopic cylinder 4, and the telescopic cylinder 4 is fixedly provided with a reticle 3 through the fixing ring 8.

The miniature image 16 is provided with a bar code leveling staff matched with a common high-precision level, the guide rail 7 is provided with equidistant scales, and the guide rail 7 is provided with scale values corresponding to the equidistant scales.

The mounting table 14 is fixedly provided with a plurality of sets of correction screws 10, a bracket 9 is fixedly arranged between the two sets of correction screws 10, and the mounting table 14 is provided with the collimator 1 through the bracket 9.

Survey and set up lifting disk 15 on mound 13, and lifting disk 15 top is provided with the fixed mount table 11 that is provided with, and 11 top threaded connection of mount table have set screw 12, and the plumb line of set screw 12 is located same plumb plane with collimator 1's objective center, the nodical cross hair 17, and survey mound 13 and be provided with the digital level gauge through set screw 12.

The using method comprises the following steps: 1) turning on the light source 6, fixing the digital level on the mounting table 11, and accurately leveling;

2) adjusting the telescopic cylinder 4 to position the target of the reticle 3 to a short distance (5m), rotating the focusing screw of the digital level to observe a clear target of the reticle 3, and lifting the mounting table 11 to ensure that the transverse wire of the digital level is strictly aligned with the transverse wire of the reticle 3;

3) adjusting a telescopic cylinder 4 to position a target of a reticle 3 to a close distance (100m), rotating a focusing screw of a digital level to observe a clear target of the reticle 3, rotating an optical wedge micrometer 2 to enable a transverse wire of the digital level to be strictly aligned with a transverse wire of the reticle 3, reading the reading of the optical wedge micrometer 2, namely an optical i angle of the digital level, correcting the optical i angle of the digital level when the optical i angle exceeds the limit, and repeating the steps 2) and 3) until the optical i angle meets the requirement;

4) when an electronic i angle of the digital level is measured and corrected, adjusting the telescopic cylinder 4 to position a target of the reticle 3 to a short distance (15m), rotating a focusing screw of the digital level to observe a clear target of the reticle 3, lifting the mounting table 11 to enable a transverse wire of the digital level to be strictly aligned with a transverse wire of the reticle 3, aligning a short distance (15m) bar code leveling staff image matched with the digital level, then observing a reading by the digital level, and when aligning a long distance (30m) bar code leveling staff image matched with the digital level, adjusting the telescopic cylinder 4 to position the target of the reticle 3 to a short distance (30m), and then observing the reading by the digital level, wherein the step needs to be carried out by combining a program method specified by the digital level, so that the correction of the electronic i angle can be completed;

5) other optical verification projects and electronic verification projects can be developed by adopting the method specified by the regulations.

By taking the miniature image 16 with the specific sight distance bar code leveling staff as an observation target of the digital level, an outdoor checking method is accurately simulated, indoor internalization of the digital level target is realized, a method specified by an instrument self-checking program and an instrument checking procedure is considered, and items such as an electronic i angle, a compensation error, a single measurement standard deviation and the like of the instrument can be directly and quickly measured; the verification of the optical item and the electronic item of the digital level can be completed simultaneously; all the checking and correcting work can be completed by only one person; the method overcomes a series of problems of limitation of precision and efficiency, equipment cost, labor cost and the like of the traditional method, solves the problems of low precision, low efficiency and the like of the digital level checking method, can improve the working efficiency by more than 5 times, improve the checking precision by more than 4 times, and effectively reduce the cost

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. Indoor quick calibration device of digital level, including settling platform (14), its characterized in that: the collimator (1) is arranged on the mounting table (14), the optical wedge micrometer (2) is arranged at the objective end of the collimator (1), the telescopic cylinder (4) is connected to one end, far away from the optical wedge micrometer (2), of the collimator (1) in a sliding mode, a guide rail (7) is arranged at the bottom of the telescopic cylinder (4), the telescopic cylinder (4) is connected with the collimator (1) in a sliding mode through the guide rail (7), a reticle (3) is fixedly arranged in the telescopic cylinder (4), a miniature image (16) and a cross wire (17) are arranged on the reticle (3), the reticle (3) is located on the objective focal plane of the collimator (1), the intersection point of the objective center of the collimator (1), the center of the optical wedge micrometer (2) and the cross wire (17) is located on the same straight line, and a frosted glass plate (5) and a light source (6) are arranged at the tail end of the telescopic cylinder (4), an observation pillar (13) is arranged on one side of the mounting table (14), and a digital level is arranged at the top of the observation pillar (13).

2. The digital level gauge room rapid calibration device according to claim 1, wherein: a fixing ring (8) is fixedly arranged in the telescopic cylinder (4), and the telescopic cylinder (4) is fixedly provided with a reticle (3) through the fixing ring (8).

3. The digital level gauge room rapid calibration device according to claim 1, wherein: be provided with the supporting bar code levelling staff of high accuracy surveyor's level commonly used on miniature image (16), be provided with the equidistance scale on guide rail (7), and be provided with the scale interval corresponding with the equidistance scale on guide rail (7).

4. The digital level gauge room rapid calibration device according to claim 1, wherein: the mounting table (14) is fixedly provided with a plurality of groups of correction screws (10), a bracket (9) is fixedly arranged between the two groups of correction screws (10), and the mounting table (14) is provided with the collimator (1) through the bracket (9).

5. The digital level gauge room rapid calibration device according to claim 1, wherein: survey and set up lifting disk (15) on mound (13), and lifting disk (15) top is provided with fixed mount table (11) that is provided with, mount table (11) top threaded connection has set screw (12), and the point of intersect of the plumb line of set screw (12) and objective center, cross silk (17) of collimator (1) is located same plumb plane, it is provided with the digital level gauge through set screw (12) to survey mound (13).