CN106979789B - Device and method for detecting precision image of total station support - Google Patents
Device and method for detecting precision image of total station support Download PDFInfo
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- CN106979789B CN106979789B CN201710340946.6A CN201710340946A CN106979789B CN 106979789 B CN106979789 B CN 106979789B CN 201710340946 A CN201710340946 A CN 201710340946A CN 106979789 B CN106979789 B CN 106979789B
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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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to a total station support precision image detection device, which comprises: 3 CCD cameras, plane reflector, holder, concentric gauge, base and computer. The measuring method is based on the principle of light reflection, four circular light spots are formed in a light pipe CCD camera through the rotation of a bracket, and the verticality and the parallelism are calculated through the coordinates of the centers of the four light spots; meanwhile, before and after rotating 180 degrees, the reflecting circle at the top of the concentric gauge can form two circular light spots in the top CCD camera, and the center distance is calculated according to the coordinates of the centers of the two light spots; the distance between the circle centers is calculated through the inner diameter and the outer diameter of a circular ring formed by the circular end surface of the concentric gauge and the bracket hole in the CCD camera on the other side of the light pipe, and the coaxiality of the bracket is calculated. The invention can finish the measurement of the verticality, the parallelism, the coaxiality and the center distance of the support precision by a single person by means of an image detection means without auxiliary tools, the stability and the measurement precision reach the mu level, and the efficiency is improved.
Description
Technical Field
The invention relates to a device and a method for detecting precision images of a total station support, which are suitable for detecting the processing precision of perpendicularity between two arms of the total station support and a vertical shaft rotating surface, parallelism of the two arms, coaxiality of left and right transverse shaft holes and center distance between the two arms and a vertical shaft rotating axis.
Background
The total station is a surveying instrument system integrating measuring functions such as angle, distance (slant distance and horizontal distance), three-dimensional coordinates and the like, and can be almost used in all measuring fields, in particular to the fields of precision engineering measurement or deformation monitoring such as large-scale building and underground tunnel construction. The bracket is used as an important component of the total station, and has great influence on the stability and the accuracy of the measurement of the total station. With the development of society, the requirement on the measurement precision of the total station is higher and higher, and the requirement on the processing precision of the bracket is higher and higher. The bottom of the bracket is used for mounting a vertical shaft group of the total station, two arms of the bracket are provided with holes for mounting a transverse shaft, and the rotating surface of the transverse shaft is required to be vertical to the horizontal rotating surface of the bracket when the instrument is horizontally placed.
At present, manufacturers detect the perpendicularity between two arms of a support and a vertical shaft rotating surface, the parallelism of the two arms, the coaxiality of a left transverse shaft hole and a right transverse shaft hole and the center distance between the two arms and the vertical shaft rotating axis, each precision index needs different tools to be detected in sequence, and the defects of complex working procedures, complex means, low efficiency, high cost, low productivity, poor accuracy and repeatability of a measuring result and the like exist. The detection work has high requirements on the eyesight of workers, and the long-time work causes harm to the body and mind of the workers. Due to the fact that requirements for the capacity and the precision of the total station are higher and higher at present, the existing detection method cannot meet the requirements.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the bracket precision image of a total station, so as to improve the efficiency and the accuracy of the bracket precision detection, reduce the working intensity of workers and improve the enthusiasm of the workers.
The invention discloses a device for detecting the precision image of a total station support, which comprises: the device comprises a top CCD camera 1, a first plane reflector 3, a first retainer 4, a second retainer 5, a second plane reflector 6, a bracket 7, a side CCD camera 8, a base 10, a base 11, a concentric gauge 12, a light tube CCD camera 15, a light tube 16 and a computer 17; the light pipe 16 is internally provided with a right-angle prism 16a positioned at the rear end of the light pipe 16, a lens 16c positioned at the front end of the light pipe 16 and an optical fiber 16b positioned between the right-angle prism 16a and the lens 16c, wherein the light pipe 16 is horizontally arranged, the inclined edge of the right-angle prism 16a forms 45 degrees with the horizontal direction, and the optical fiber 16b is vertically arranged; the concentric gauge 12 is matched and installed in a hole on the bracket 7, the first plane reflective mirror 3 and the second plane reflective mirror 6 are respectively adsorbed at the outer sides of the two arms of the bracket, the first plane reflective mirror 3 is glued with the end face of the concentric gauge 12, and the first retainer 4 and the second retainer 5 are respectively adsorbed at the inner sides of the two arms of the bracket; the light tube CCD camera 15 is arranged at one end of the light tube 16 far away from the bracket 7, and the light tube 16 and the side CCD camera 8 are respectively positioned at two sides of the bracket 7; the top CCD camera 1 is positioned right above the bracket 7; the outputs of the top CCD camera 1, the side CCD camera 8 and the light pipe CCD camera 15 are connected with a computer 17; and the computer analyzes and processes the images obtained from the three CCD cameras through software to obtain corresponding measured values.
The device for detecting the precision image of the total station support is characterized in that the lens 16c is a convex lens.
The device for detecting the precision image of the total station support is characterized in that the top CCD camera 1 is fixed on the base 10 by the support frame 2 and the first connecting rod 18; the short support frame 9 and the second connecting rod 19 fix the side CCD camera 8 on the base; support posts 13 and screw and nut assemblies 14 secure the light pipe to the base 10; the base 11 is provided with a foot screw, and the horizontal angle of the base 11 can be adjusted by adjusting the foot screw.
The device for detecting the precision image of the total station support is characterized in that the optical fiber 16b and the light pipe CCD camera 15 are positioned at the focus of the lens 16 c. The light emitted from the optical fiber 16b is reflected by the prism 16a and enters the lens 16c, and the lens 16c converts the light into parallel light.
The device for detecting the precision image of the total station support is characterized in that the axis of the light pipe 16, the axis of the lens 16c, the axis of the light pipe CCD camera 15, the axis of the side CCD camera 8, the axis of the first holder 4 and the axis of the second holder 5 are coincident.
The device for detecting the precision image of the total station support is characterized in that the axis of the light receiving component of the top end CCD camera 1 is coincident with the axis of the support 7.
The device for detecting the precision image of the total station support is characterized in that one end face of the concentric gauge 12 is glued with the plane reflector 3 and matched with a positioning hole of a transverse shaft of a support 7 to be detected; the other end face of the concentric gauge 12 extends into the other hole of the cross shaft of the bracket 7, so that the outer diameter of the end face and the inner diameter of the other hole of the cross shaft of the bracket 7 form a circular ring shape.
The device for detecting the precision image of the total station support is characterized in that a reflecting circle is arranged in an area right below the top CCD camera 1.
The invention also provides a method for detecting the precision by using the device for detecting the total station support precision images, which comprises the following steps:
step one, a bracket 7 to be detected is arranged in a base 11, and the bracket 7 can freely rotate along the rotation axis of the bracket;
secondly, mounting a first planar reflector 3, a first holder 4, a second holder 5, a second planar reflector 6 and a concentric gauge 12 on two arms of a support 7 to be detected, wherein the positioning surfaces of the first planar reflector 3 and the second planar reflector 6 are required to be completely attached to the end surface of the support 7 to be detected during clamping, and the concentric gauge 12 is mounted in two holes of the support 7 to be detected;
step three, opening the computer 17 and the light pipe CCD camera 15, enabling light emitted by the optical fiber 16b to be reflected by the first plane reflector 3 and the second plane reflector 6 and then to be in a clear image in the central area of the light pipe CCD camera 15, rotating the bracket to be detected by 7 degrees, enabling the light to be in two clear images again in the central area of the light pipe CCD camera 15, and obtaining four light spots front and back, wherein the computer 17 reads the center coordinates of the four light spots as (X1, Y1), (X2, Y2), (X3, Y3) and (X4, Y4) in sequence, and takes max [ | X1-X2|, | Y1-Y2|, | X3-X4|, | Y3-Y4| ] as a parallelism value, and takes [ | X1-X3|/2, | Y1-Y3|/2, | X2-X4|/2, | Y2-Y4|/2] as a perpendicularity;
when the light irradiates the first plane reflector 3, part of the light is reflected back to form a first light spot, part of the light penetrates through the first plane reflector 3, reaches the second plane reflector 6, is reflected back to form a second light spot, and after the light is rotated by 180 degrees, a third light spot and a fourth light spot are obtained;
step four, closing the light pipe CCD camera 15, opening the top end CCD camera 1, collecting image coordinates (X5, Y5), (X6, Y6) of a reflection circle on the concentric gauge 12 on the top end CCD camera 1 twice through rotating the support 7 by 180 degrees, and calculating the center distance of the support 7 to be detected by the computer 17 through measurement;
and step five, closing the top CCD camera 1, opening the side CCD camera 8, forming a circular light spot in the side CCD camera 8 by the concentric gauge circular end face and the support vertical shaft hole, and calculating the coaxiality of the support 7 according to the distance between the centers of the inner circle and the outer circle of the circular ring.
The method for detecting the precision of the device for detecting the precision image of the total station support is characterized in that the process of turning on and off the CCD camera is finished by control software on the computer 17, and complex manual operation is not needed.
The method for detecting the precision by using the device for detecting the precision images of the total station support is characterized in that the top CCD camera 1 and the CCD camera 8 are both provided with annular lamps and can provide original light sources for reflection imaging.
The method for detecting the precision by using the device for detecting the precision image of the total station support is characterized in that the annular lamp is not in direct or indirect contact with the top CCD camera 1 and the CCD camera 8.
Compared with the conventional manual and visual detection method by means of various tools of manufacturers, the method has the advantages that the method can finish the measurement of the verticality, the parallelism, the coaxiality and the center distance of the support precision by a single person by means of an image detection means without auxiliary tools, the stability and the measurement precision reach the mu level, the efficiency is improved by more than 3 times compared with the conventional method, and the working enthusiasm of workers is greatly improved. Meanwhile, the improvement of the self-measuring precision of the total station has great influence on the whole measuring field of the total station.
Drawings
FIG. 1 is a front view of the detecting unit of the present invention.
FIG. 2 is a top view of the detecting device of the present invention.
Fig. 3 is an enlarged view of a frame a in fig. 1.
Fig. 4 is an enlarged view of the frame B in fig. 1.
FIG. 5 is a block diagram of the detection process of the detection device of the present invention.
FIG. 6 is a schematic diagram of the light path of the collimator according to the present invention.
Detailed Description
In order that those skilled in the art may more accurately understand the present invention and better practice it, reference is now made in detail to the accompanying drawings, in which reference numerals correspond to part names as follows:
1-top CCD camera, 2-support frame, 3-first plane reflector, 4-first holder, 5-second holder, 6-second plane reflector, 7-support frame, 8-side CCD camera, 9-short holder, 10-base, 11-base, 12-concentric gage, 13-support column, 14-nut screw component, 15-light tube CCD camera, 16-light tube, 16 a-right angle prism, 16 b-optical fiber, 16 c-lens, 17-computer, 18-first connecting rod, 19-second connecting rod.
Referring to fig. 1 to 4 and 6, an apparatus for detecting an image of a total station mount accuracy includes: the device comprises a top CCD camera 1, a first plane reflector 3, a first holder 4, a second holder 5, a second plane reflector 6, a support 7, a side CCD camera 8, a base 10, a base 11, a concentric gauge 12, a light pipe CCD camera 15, a light pipe 16 and a computer 17; the light pipe 16 is internally provided with a right-angle prism 16a positioned at the rear end of the light pipe 16, a lens 16c positioned at the front end of the light pipe 16 and an optical fiber 16b positioned between the right-angle prism 16a and the lens 16c, wherein the light pipe 16 is horizontally arranged, the inclined edge of the right-angle prism 16a forms 45 degrees with the horizontal direction, and the optical fiber 16b is vertically arranged; the concentric gauge 12 is matched and installed in a hole on the bracket 7, the first plane reflective mirror 3 and the second plane reflective mirror 6 are respectively adsorbed at the outer sides of the two arms of the bracket, the first plane reflective mirror 3 is glued with the end face of the concentric gauge 12, and the first retainer 4 and the second retainer 5 are respectively adsorbed at the inner sides of the two arms of the bracket; the light tube CCD camera 15 is arranged at one end of the light tube 16 far away from the bracket 7, and the light tube 16 and the side CCD camera 8 are respectively positioned at two sides of the bracket 7; the top CCD camera 1 is positioned right above the bracket 7; the outputs of the top CCD camera 1, the side CCD camera 8 and the light pipe CCD camera 15 are connected with a computer 17; and the computer analyzes and processes the images obtained from the three CCD cameras through software to obtain corresponding measured values.
The device for detecting the precision image of the total station support is characterized in that the lens 16c is a convex lens.
The device for detecting the precision image of the total station support is characterized in that the top CCD camera 1 is fixed on the base 10 by the support frame 2 and the first connecting rod 18; the short support frame 9 and the second connecting rod 19 fix the side CCD camera 8 on the base; support posts 13 and screw and nut assemblies 14 secure the light pipe to the base 10; the base 11 is provided with a foot screw, and the horizontal angle of the base 11 can be adjusted by adjusting the foot screw.
The device for detecting the precision image of the total station support is characterized in that the optical fiber 16b and the light pipe CCD camera 15 are positioned at the focus of the lens 16 c. The light emitted from the optical fiber 16b is reflected by the prism 16a and enters the lens 16c, and the lens 16c converts the light into parallel light.
Referring to fig. 6, the dotted line is a light path, the receiving head or screen of the light-tube CCD camera and the fiber head are located at the focus of the lens 16c, the hypotenuse of the right-angle prism is coated with a film, and the film has the functions of semi-transmission and semi-reflection, i.e. light can be reflected on the inclined plane or transmitted through the inclined plane, and light on the right side of the lens and light going out are both parallel light in the figure; the ytterbium-transmissive focal length f0 is also labeled.
The device for detecting the precision image of the total station support is characterized in that the axis of the light pipe 16, the axis of the lens 16c, the axis of the light pipe CCD camera 15, the axis of the side CCD camera 8, the axis of the first holder 4 and the axis of the second holder 5 are coincident. Of course, as a technical solution which is easy to implement, it is only necessary to ensure that the reflected image can be displayed in the light pipe CCD camera in the process of one rotation.
The device for detecting the precision image of the total station support is characterized in that the axis of the light receiving component of the top end CCD camera 1 is coincident with the axis of the support 7. Of course, as a technical solution which is easy to implement, it is only necessary to ensure that the reflected image can be displayed in the top CCD camera in the process of one rotation.
Fig. 5 illustrates the principle of the present invention, and in conjunction with fig. 1 to 4 and 6, the present invention provides a method for detecting precision using a device for total station mount precision image detection, which employs the above-mentioned device for total station mount precision image detection; the detection method comprises the following steps:
step one, a bracket 7 to be detected is arranged in a base 11, and the bracket 7 can freely rotate along the rotation axis of the bracket;
secondly, mounting a first planar reflector 3, a first holder 4, a second holder 5, a second planar reflector 6 and a concentric gauge 12 on two arms of a support 7 to be detected, wherein the positioning surfaces of the first planar reflector 3 and the second planar reflector 6 are required to be completely attached to the end surface of the support 7 to be detected during clamping, and the concentric gauge 12 is mounted in two holes of the support 7 to be detected;
step three, opening the computer 17 and the light pipe CCD camera 15, enabling the light emitted by the optical fiber 16b to be clear in the central area of the light pipe CCD camera 15 after being reflected by the first plane reflector 3 and the second plane reflector 6, rotating the support to be detected by 7 degrees, enabling the light to be clear again in the central area of the light pipe CCD camera 15, and obtaining four light spots from front to back, wherein the circle center coordinates of the four light spots read by the computer 17 are (X1, Y1), (X2, Y2), (X3, Y3), (X4, Y4) in sequence, and max [ | X1-X2|, | Y1-Y2|, | X3-X4|, | Y3-Y4| ] are taken as parallelism values, and max [ | X1-X3|/2, |/Y1-Y3 |/2, |/X2-X4 |/2, |/Y2-Y4 |/2] are taken as vertical values;
when the light irradiates the first plane reflector 3, part of the light is reflected back to form a first light spot, part of the light penetrates through the first plane reflector 3, reaches the second plane reflector 6, is reflected back to form a second light spot, and after the light is turned for 180 degrees, a third light spot and a fourth light spot are obtained;
step four, closing the light tube CCD camera 15, opening the top end CCD camera 1, collecting image coordinates (X5, Y5), (X6, Y6) of a reflection circle on the concentric gauge 12 on the top end CCD camera 1 twice in front and at the back by rotating the support 7 by 180 degrees, and calculating the center distance of the support 7 to be detected by the computer 17 through measurement;
and step five, closing the top CCD camera 1, opening the side CCD camera 8, forming a circular light spot in the side CCD camera 8 by the circular end surface of the concentric gauge and the vertical shaft hole of the bracket, and calculating the coaxiality of the bracket 7 according to the distance between the centers of the inner circle and the outer circle of the circular ring.
In the implementation process, the processes of turning on and turning off the CCD camera are completed by control software on the computer 17, and complex manual operation is not needed.
The method for detecting the precision by using the device for detecting the precision images of the total station support is characterized in that the top CCD camera 1 and the side CCD camera 8 are both provided with annular lamps and can provide original light sources for reflection imaging.
The method for detecting the precision by using the device for detecting the precision images of the total station support is characterized in that the annular lamp is not directly or indirectly contacted with the top CCD camera 1 and the side CCD camera 8.
By describing the embodiments of the present invention in the disclosure, other embodiments can be developed by those skilled in the art based on the working principle of the technology of the present invention, and therefore, the present invention is not limited to the embodiments shown herein, but is in accordance with the maximum scope of the principle disclosed herein.
Claims (7)
1. The utility model provides a device that total powerstation support precision image detected, includes: the device comprises a top CCD camera (1), a first plane reflector (3), a first retainer (4), a second retainer (5), a second plane reflector (6), a bracket (7), a side CCD camera (8), a base (10), a base (11), a concentric gauge (12), a light pipe CCD camera (15), a light pipe (16) and a computer (17); the light pipe (16) is internally provided with a right-angle prism (16 a) positioned at the rear end of the light pipe (16), a lens (16 c) positioned at the front end of the light pipe (16) and an optical fiber (16 b) positioned between the right-angle prism (16 a) and the lens (16 c), the light pipe (16) is horizontally arranged, the inclined side of the right-angle prism (16 a) forms 45 degrees with the horizontal direction, and the optical fiber (16 b) is vertically arranged; the concentric gauge (12) is installed in a hole in the support (7) in a matched mode, the first plane reflective mirror (3) and the second plane reflective mirror (6) are respectively attached to the outer sides of the two arms of the support, the first plane reflective mirror (3) is glued with the end face of the concentric gauge (12), and the first retainer (4) and the second retainer (5) are respectively attached to the inner sides of the two arms of the support; the light tube CCD camera (15) is arranged at one end of the light tube (16) far away from the bracket (7), and the light tube (16) and the side CCD camera (8) are respectively positioned at two sides of the bracket (7); the top CCD camera (1) is positioned right above the bracket (7); the output of the top CCD camera (1), the side CCD camera (8) and the light tube CCD camera (15) is connected with a computer (17); the computer analyzes and processes the images obtained from the three CCD cameras through software to obtain corresponding measured values;
the optical fiber (16 b) and the light pipe CCD camera (15) are positioned on the focal point of the lens (16 c), light emitted by the optical fiber (16 b) enters the lens (16 c) after being reflected by the right-angle prism (16 a), and the lens (16 c) enables the light to become parallel light;
the axis of the light pipe (16), the axis of the lens (16 c), the axis of the light pipe CCD camera (15), the axis of the side CCD camera (8), the axis of the first holding frame (4) and the axis of the second holding frame (5) are coincident;
the axis of the light-receiving part of the top CCD camera (1) coincides with the axis of the support (7).
2. A total station support precision image detection apparatus according to claim 1, characterized in that said lens (16 c) is a convex lens.
3. The apparatus for precision image detection of total station stand according to claim 1, characterized in that the supporting frame (2) and the first connecting rod (18) fix the top CCD camera (1) to the base (10); the short support frame (9) and the second connecting rod (19) fix the side CCD camera (8) on the base; the support column (13) and the screw and nut component (14) fix the light pipe to the base (10); the base (11) is provided with a foot screw, and the horizontal angle of the base (11) can be adjusted by adjusting the foot screw.
4. The device for precision image detection of total station holder according to claim 1, characterized in that one end face of said concentricity gauge (12) is glued to the plane mirror (3) and is fitted to the cross axis positioning hole of the holder (7) to be detected; the other end face of the concentric gauge (12) extends into the other hole of the cross shaft of the bracket (7) to enable the outer diameter of the end face and the inner diameter of the other hole of the cross shaft of the bracket (7) to form a circular ring shape.
5. The device for precision image detection of a total station stand according to claim 1, characterized in that the area directly below the top CCD camera (1) has a reflective circle.
6. A method for precision image detection of a total station stand, characterized in that a device for precision image detection of a total station stand as claimed in any one of claims 1 to 5 is used, said method comprising the steps of:
step one, a bracket (7) to be detected is arranged in a base (11), and the bracket (7) can freely rotate along the rotation axis of the bracket;
step two, mounting a first plane reflective mirror (3), a first retainer (4), a second retainer (5), a second plane reflective mirror (6) and a concentricity gauge (12) on two arms of a support (7) to be detected, wherein positioning surfaces of the first plane reflective mirror (3) and the second plane reflective mirror (6) are required to be completely attached to the end surface of the support (7) to be detected during clamping, and the concentricity gauge (12) is mounted in two holes of the support (7) to be detected;
step three, opening a computer (17) and a light pipe CCD camera (15), enabling light emitted by an optical fiber (16 b) to be in a clear image in the central area of the light pipe CCD camera (15) after being reflected by a first plane reflector (3) and a second plane reflector (6), rotating the support (7) to be detected for 180 degrees, enabling the central area of the light pipe CCD camera (15) to be in two clear images again, and obtaining four light spots in the front and at the back, wherein the computer (17) reads the coordinates of the centers of the four light spots as (X1, Y1), (X2, Y2), (X3, Y3), (X4, Y4), and takes max [ | X1-X2|, | Y1-Y2|, | X3-X4|, | Y3-Y4| ] as parallelism values, and takes max | X1-X3|/2, |/Y1-Y3 |, and | X2-X4|/2 |, and | Y2| Y4| as vertical values;
step four, closing the light tube CCD camera (15), opening the top end CCD camera (1), collecting image coordinates of a reflecting circle on the concentric gauge (12) on the top end CCD camera (1) twice in front and at the back by rotating the support (7) for 180 degrees, wherein the image coordinates are (X5, Y5), (X6, Y6), and calculating the center distance of the support (7) to be detected by the computer (17);
and step five, closing the top CCD camera (1), opening the side CCD camera (8), forming a circular light spot in the side CCD camera (8) by the circular end surface of the concentricity gauge and the vertical shaft hole of the support, and calculating the coaxiality of the support (7) according to the distance between the inner circle center and the outer circle center of the circular ring.
7. A method for precision image detection of a total station stand according to claim 6, characterized in that both the top CCD camera (1) and the side CCD camera (8) are provided with ring lights providing primary light sources for reflected imaging, and the ring lights are not in direct contact with the top CCD camera (1) and the side CCD camera (8).
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| KR960012907B1 (en) * | 1993-09-25 | 1996-09-25 | 현대전자산업 주식회사 | Test apparatus for tachometer |
| CN2615634Y (en) * | 2003-03-30 | 2004-05-12 | 陈太文 | Axes aligning device for rotary equipment |
| CN102494665B (en) * | 2011-12-09 | 2013-11-27 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring torsion angle of altazimuth equipment on basis of laser communication |
| CN104515481B (en) * | 2014-12-17 | 2017-06-09 | 中国科学院长春光学精密机械与物理研究所 | Measure the device and method of large diameter circle facial plane degree |
| CN104567750A (en) * | 2014-12-24 | 2015-04-29 | 宁波鱼化龙机电科技有限公司 | High-precision ceramic ferrule coaxiality detector |
| CN206847639U (en) * | 2017-05-16 | 2018-01-05 | 苏州迅威光电科技有限公司 | A kind of device of total powerstation support precision Image detection |
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