CN110687129A - Device for calibrating precision of mounting position of three-dimensional equipment - Google Patents
Device for calibrating precision of mounting position of three-dimensional equipment Download PDFInfo
- Publication number
- CN110687129A CN110687129A CN201911118606.4A CN201911118606A CN110687129A CN 110687129 A CN110687129 A CN 110687129A CN 201911118606 A CN201911118606 A CN 201911118606A CN 110687129 A CN110687129 A CN 110687129A
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- detection
- calibrating
- rod
- adjusting
- mounting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The device for calibrating the mounting position precision of the three-dimensional equipment comprises a detection table, wherein a vertical detection vertical rod is arranged on the detection table, a detection transverse rod extending in the horizontal direction is arranged at the top end of the detection vertical rod, a detection machine head is arranged at one end, away from the detection vertical rod, of the detection transverse rod, a calibration rod is arranged at the bottom end of the detection machine head and extends in the vertical direction, a detection pipe used for emitting detection rays is arranged on the detection table, an adjusting mechanism used for adjusting the detection pipe is arranged on the detection table, a laser generator used for emitting laser beams collinear with the detection rays is arranged on the detection pipe, a mounting frame used for mounting the laser generator is arranged on the detection pipe, a suspension detector used for receiving the detection rays is arranged above the detection table, and a bearing tray is arranged below the detection. The device can replace invisible rays through visible laser beams to carry out visual adjustment, and the effect of calibrating the precision of the detection device is achieved.
Description
Technical Field
The invention relates to a device for calibrating the precision of a mounting position of three-dimensional equipment, and belongs to the technical field of detection and calibration.
Background
The main function of the image positioning system is to realize the accurate image positioning for the detection of products, and the system needs to be integrated with a plurality of detection equipment systems and can be used after the detection. The image positioning system adopts a fixed intersection angle stereo imaging technology, an imaging acquisition control system is formed by a control computer, a detection component and an imaging detector, perspective projection is carried out on a product in two directions, a pair of intersection angle digital projection images are obtained, and therefore the defects of the product are displayed.
Because the positioning system is used with a plurality of detection devices, when the detection devices work, the detection devices rotate 360 degrees around the focus central points, and detection beams at any angles pass through the focus central points. The focal centre point is used as a common reference point for both systems, which requires that the centre of the probe beam passes right through the focal centre point when mounted, projected onto the imaged surface. For accurate positioning of the center in the case of imaging geometry determination, four directional adjustment mechanisms, front-back, left-right, upward tilt, and angular rotation, are determined. At the moment, the detection and emission tube is in a non-working state without being opened, rays belong to invisible light beams, a certain radiation dose can exist, and the aspects of radiation protection, safety and the like are considered, so that the detection and emission tube cannot be in a normal working state in the actual installation process, and the actual deviation is calculated after imaging so as to adjust the mechanical position.
This point is a virtual point in three-dimensional space that needs to be made visible and measurable to this end. Under the restriction of the specific imaging geometric relation condition, the problem of how to enable the mechanical fixing bracket for mounting the imaging component to reach a reasonable position is presented, namely, the problem of how to meet the adjustable range of the mechanical mounting precision requirement in the product standard and carry out accurate calibration on the mechanical fixing precision requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a device for calibrating the mounting position precision of three-dimensional equipment, which can perform visual adjustment by replacing invisible rays with visible laser beams so as to achieve the effect of calibrating the precision of a detection device.
In order to achieve the purpose, the device for calibrating the mounting position precision of the three-dimensional equipment comprises a detection table, wherein a vertical detection vertical rod is arranged on the detection table, a detection transverse rod extending along the horizontal direction is arranged at the top end of the detection vertical rod, a detection machine head is arranged at one end, away from the detection vertical rod, of the detection transverse rod, a calibration rod is arranged at the bottom end of the detection machine head and extends along the vertical direction, a detection pipe used for emitting detection rays is arranged on the detection table, an adjusting mechanism used for adjusting the detection pipe is arranged on the detection table, a laser generator used for emitting laser beams collinear with the detection rays is arranged on the detection pipe, a mounting frame used for mounting the laser generator is arranged on the detection pipe, a suspension detector used for receiving the detection rays is arranged above the detection table, and a bearing tray is arranged below.
Furthermore, the mounting bracket comprises a locking ring, two ends of the locking ring are mutually buckled after bypassing the probe tube, and a fixing block for fixing the laser emitter is arranged on the locking ring.
Furthermore, the adjusting mechanism comprises an adjusting base plate arranged on the detection table, an adjusting guide rail is arranged on the adjusting base plate, an adjusting support is arranged at the bottom of the probe pipe, and the adjusting guide rail of the adjusting support can slide in the horizontal direction.
Furthermore, the bottom of the adjusting bracket is provided with a rotating shaft, and the adjusting bracket can rotate relative to the rotating shaft.
Furthermore, a semicircular adjusting groove is formed in the top of the adjusting support, the radius of the adjusting groove is the same as that of the probe tube, and the probe tube can rotate in the adjusting groove along the axis direction of the probe tube.
Further, hang the detector including the detection flat board that is used for receiving the penetrating ray and be used for installing the dull and stereotyped installation pole of detection, the installation pole with detect and be equipped with joint bearing between the dull and stereotyped top surface, the installation pole is kept away from the one end of detecting the flat board and is connected on external facilities, the length of installation pole is changeable.
Furthermore, an imaging central point is arranged at the geometric center of the bottom surface of the detection flat plate, and a calibration point is arranged on the imaging central point.
Furthermore, the bottom end of the calibrating rod is conical, and a calibrating steel ball is arranged at the bottom end of the calibrating rod.
Further, the projection of the calibration rod on the support plate falls on the center of the circle of the support plate.
The device for calibrating the precision of the mounting position of the three-dimensional equipment can perform visual adjustment by replacing invisible rays with visible laser beams, so that the effect of calibrating the precision of the detection device is achieved.
Drawings
The present invention will be further described and illustrated with reference to the following drawings.
Fig. 1 is a schematic structural diagram of an apparatus for calibrating the accuracy of a three-dimensional device installation position according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view for embodying a probe card;
FIG. 3 is a schematic diagram of a structure for embodying a probe tube;
FIG. 4 is a schematic illustration of the laser beam and alignment rod in mating relationship.
Reference numerals: 1. a detection table; 11. a support tray; 2. detecting a machine head; 21. detecting a vertical rod; 22. detecting the cross bar; 23. a calibration rod; 24. calibrating the steel balls; 3. a probe tube; 4. a laser generator; 41. a locking ring; 42. a fixed block; 5. adjusting the substrate; 51. adjusting the guide rail; 52. adjusting the bracket; 53. a rotating shaft; 54. an adjustment groove; 6. detecting the flat plate; 61. mounting a rod; 62. calibration points.
Detailed Description
The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a device for calibrating the mounting position accuracy of three-dimensional equipment according to a preferred embodiment of the present invention includes a detection table 1, a vertical detection vertical rod 21 is disposed on the detection table 1, a detection cross rod 22 extending in a horizontal direction is disposed on a top end of the detection vertical rod 21, a detection machine head 2 is disposed at one end of the detection cross rod 22 away from the detection vertical rod 21, and a support tray 11 is disposed below the detection machine head 2 on the detection table 1.
As shown in fig. 1 and 4, a bottom end of the detection head 2 is provided with a calibration rod 23, the calibration rod 23 extends in a vertical direction, the bottom end of the calibration rod 23 is conical, and a calibration steel ball 24 is arranged at the bottom end of the calibration rod 23. The projection of the alignment rod 23 on the support plate 11 falls on the center of the support plate 11.
As shown in fig. 1 and 2, a detection tube 3 for emitting a detection ray is arranged on the detection table 1, a laser generator 4 for emitting a laser beam collinear with the detection ray is arranged on the detection tube 3, a detection flat plate 6 for receiving the detection ray and an installation rod 61 for installing the detection flat plate 6 are arranged above the detection table 1, a joint bearing is arranged between the installation rod 61 and the top surface of the detection flat plate 6, one end of the installation rod 61, far away from the detection flat plate 6, is connected to an external facility, and the length of the installation rod 61 is variable.
As shown in fig. 2, the geometric center of the bottom surface of the detection plate 6 is provided with an imaging center point, and the imaging center point is provided with a calibration point 62.
As shown in fig. 3, the probe tube 3 is provided with a locking ring 41 for mounting the laser generator 4, two ends of the locking ring 41 are fastened to each other after passing around the probe tube 3, and the locking ring 41 is provided with a fixing block 42 for fixing the laser generator.
As shown in fig. 1 and 3, the detection table 1 is provided with an adjustment substrate 5 for adjusting the probe tube 3, the adjustment substrate 5 is provided with an adjustment guide rail 51, the bottom of the probe tube 3 is provided with an adjustment bracket 52, the bottom of the adjustment bracket 52 is provided with a rotation shaft 53, and the rotation shaft 53 can move in the horizontal direction along the adjustment guide rail 51. The top of the adjusting bracket 52 is provided with a semicircular adjusting groove 54, the radius of the adjusting groove 54 is the same as that of the probe tube 3, and the probe tube 3 can rotate in the adjusting groove 54 along the axial direction of the probe tube 3.
The specific implementation mode is as follows: firstly, a three-dimensional diagram is simulated according to the field installation position, the calibration rod 23 is connected with the detection head 2 and fixedly adjusted to a required position, then the detection tube 3 and the detection flat plate 6 are respectively installed to approximately corresponding positions, then the laser generator 4 is tightly fixed on the detection tube 3 through the locking ring 41 and reaches the equal center of the detection tube 3 as much as possible, a red laser beam is lightened, and then the center of the laser beam penetrates through the center of the calibration steel ball 24 through continuous adjustment by visual observation, specifically, the laser generator 4 rotates relative to the adjustment groove 54 and the detection tube 3 moves relative to the adjustment groove 54 in the horizontal direction through horizontal movement of the adjustment bracket 52 relative to the adjustment bracket 52, rotation of the adjustment bracket 52 relative to the rotating shaft 53. After the adjustment is completed, the calibration rod 23 is removed, the laser beam is projected onto the surface of the detection flat plate 6, the center of the laser beam is superposed with the calibration point 62 of the imaging center by visually and continuously fine-adjusting the left height and the right height of the detection flat plate 6, and therefore the accurate calibration process of the image positioning system is completed.
The device for calibrating the precision of the mounting position of the three-dimensional equipment can perform visual adjustment by replacing invisible rays with visible laser beams, so that the effect of calibrating the precision of the detection device is achieved.
The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the invention. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. The scope of the invention is defined by the claims.
Claims (9)
1. The device for calibrating the accuracy of the installation position of the three-dimensional equipment is characterized by comprising a detection table, the detection platform is provided with a vertical detection vertical rod, the top end of the detection vertical rod is provided with a detection cross rod extending along the horizontal direction, a detection machine head is arranged at one end of the detection cross rod, which is far away from the detection vertical rod, a calibration rod is arranged at the bottom end of the detection machine head, the calibration rod extends along the vertical direction, the detection table is provided with a probe tube used for emitting probe rays, the detection table is provided with an adjusting mechanism for adjusting the probing pipe, the probing pipe is provided with a laser generator which emits laser beams collinear with the probing rays, the laser detector is characterized in that the probe pipe is provided with a mounting rack for mounting a laser generator, a suspension detector for receiving probe rays is arranged above the detection table, and a bearing plate is arranged below the detection machine head on the detection table.
2. The apparatus according to claim 1, wherein the mounting frame comprises a locking ring, two ends of the locking ring are buckled with each other after passing around the probe tube, and a fixing block for fixing the laser emitter is arranged on the locking ring.
3. The apparatus according to claim 1, wherein the adjusting mechanism comprises an adjusting base plate disposed on the inspection table, the adjusting base plate is provided with an adjusting guide rail, the bottom of the probe tube is provided with an adjusting bracket, and the adjusting bracket adjusting guide rail is slidable in a horizontal direction.
4. The apparatus for calibrating the accuracy of the installation position of three-dimensional equipment according to claim 3, wherein the bottom of the adjusting bracket is provided with a rotating shaft, and the adjusting bracket is rotatable relative to the rotating shaft.
5. The device for calibrating the accuracy of the installation position of the three-dimensional equipment as claimed in claim 4, wherein the top of the adjusting bracket is provided with a semicircular adjusting groove, the radius of the adjusting groove is the same as that of the probe tube, and the probe tube is rotatable in the adjusting groove along the axis direction of the probe tube.
6. The apparatus for calibrating the accuracy of the installation position of three-dimensional equipment according to claim 1, wherein the hanging detector comprises a detection plate for receiving the detection radiation and a mounting rod for mounting the detection plate, a joint bearing is arranged between the top surface of the mounting rod and the top surface of the detection plate, one end of the mounting rod, which is far away from the detection plate, is connected to an external facility, and the length of the mounting rod is variable.
7. The apparatus for calibrating the precision of the installation position of three-dimensional equipment according to claim 6, wherein the geometric center of the bottom surface of the detection plate is provided with an imaging center point, and the imaging center point is provided with a calibration point.
8. The device for calibrating the accuracy of the installation position of the three-dimensional equipment as claimed in claim 1, wherein the bottom end of the calibrating rod is conical, and the bottom end of the calibrating rod is provided with the calibrating steel ball.
9. The apparatus for calibrating the accuracy of the installation position of three-dimensional equipment according to claim 1, wherein the projection of the calibration bar on the support plate falls on the center of the circle of the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118606.4A CN110687129A (en) | 2019-11-15 | 2019-11-15 | Device for calibrating precision of mounting position of three-dimensional equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118606.4A CN110687129A (en) | 2019-11-15 | 2019-11-15 | Device for calibrating precision of mounting position of three-dimensional equipment |
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| Publication Number | Publication Date |
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| CN110687129A true CN110687129A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118606.4A Pending CN110687129A (en) | 2019-11-15 | 2019-11-15 | Device for calibrating precision of mounting position of three-dimensional equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914591A (en) * | 2021-02-23 | 2021-06-08 | 中科超精(南京)科技有限公司 | Image guidance system calibration device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040036891A1 (en) * | 2002-08-22 | 2004-02-26 | Wen-Shiou Lou | Method and apparatus for calibrating laser 3D digitizing |
| CN203483761U (en) * | 2013-09-04 | 2014-03-19 | 江苏瑞尔医疗科技有限公司 | Calibrating device for adjusting corner precision of two planes in space |
| CN203483762U (en) * | 2013-09-04 | 2014-03-19 | 江苏瑞尔医疗科技有限公司 | Device for calibrating precision of installation position of equipment in three-dimensional space |
| CN106092137A (en) * | 2016-06-06 | 2016-11-09 | 长安大学 | The outdoor calibrator (-ter) unit of a kind of vehicle-mounted three-dimensional laser pavement detection system and method |
| US20170219498A1 (en) * | 2016-02-01 | 2017-08-03 | The University Of North Carolina At Chapel Hill | Optical geometry calibration devices, systems, and related methods for three dimensional x-ray imaging |
-
2019
- 2019-11-15 CN CN201911118606.4A patent/CN110687129A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040036891A1 (en) * | 2002-08-22 | 2004-02-26 | Wen-Shiou Lou | Method and apparatus for calibrating laser 3D digitizing |
| CN203483761U (en) * | 2013-09-04 | 2014-03-19 | 江苏瑞尔医疗科技有限公司 | Calibrating device for adjusting corner precision of two planes in space |
| CN203483762U (en) * | 2013-09-04 | 2014-03-19 | 江苏瑞尔医疗科技有限公司 | Device for calibrating precision of installation position of equipment in three-dimensional space |
| US20170219498A1 (en) * | 2016-02-01 | 2017-08-03 | The University Of North Carolina At Chapel Hill | Optical geometry calibration devices, systems, and related methods for three dimensional x-ray imaging |
| CN106092137A (en) * | 2016-06-06 | 2016-11-09 | 长安大学 | The outdoor calibrator (-ter) unit of a kind of vehicle-mounted three-dimensional laser pavement detection system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914591A (en) * | 2021-02-23 | 2021-06-08 | 中科超精(南京)科技有限公司 | Image guidance system calibration device and method |
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Application publication date: 20200114 |