CN111551128A - Target for three-dimensional laser scanning operation and use method thereof - Google Patents
Target for three-dimensional laser scanning operation and use method thereof Download PDFInfo
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- CN111551128A CN111551128A CN202010419042.4A CN202010419042A CN111551128A CN 111551128 A CN111551128 A CN 111551128A CN 202010419042 A CN202010419042 A CN 202010419042A CN 111551128 A CN111551128 A CN 111551128A
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- target
- beacon
- scanning
- target disc
- disc
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Abstract
The invention relates to the field of three-dimensional laser scanning, in particular to a target for three-dimensional laser scanning operation and a using method thereof, wherein the target comprises the following steps: a target disk, the target disk having a regular geometric structure; the first beacon is detachably connected to the center of the target disc; the second beacon is detachably connected with the target disc; the support, this support is dismantled and is connected in target dish one side. The invention can accurately provide the splicing center due to the arrangement of the ball body in the center of the target disc, and has high splicing precision. Because four pairs of grooves are arranged on the target center, the whole target is numbered by mounting the number of the small hemispheroids, and the artificial target number is omitted in the later stage. The magnet is arranged behind the target disc and fixed on the ferrous material through the magnet, and the magnet can be arranged on the non-ferrous object through the bracket below the target disc.
Description
Technical Field
The invention relates to the field of three-dimensional laser scanning, in particular to a target for three-dimensional laser scanning operation and a using method thereof.
Background
During three-dimensional laser scanning operation, if a scanning object is too large and complex, at this time, the single-station scanning often cannot complete all-around and complete data acquisition of the scanning object, and multiple stations need to be arranged for scanning to complete data acquisition of the scanning object. The multi-station scanning data respectively reflect the forms of the scanning objects acquired respectively, the scanning objects cannot be completely reflected, at the moment, the multi-station data can be accurately spliced together, the target is involved, and the accurate forms of the scanning objects are accurately restored by three-dimensionally connecting the multi-station data through target connection.
The utility model provides a ball target, the accuracy that is used usually is ball target, magnetism slice mark target, column mark target etc. and ball target is the highest in all kinds of mark targets, but current ball target scanning back, needs the manual work to number the mark target during later stage data processing, and when the scanning station was more, the serial number was confused easily, caused the data concatenation mistake. And the scanning area of the spherical target is small, and the later point cloud data is not easy to identify.
Disclosure of Invention
The invention provides a target for three-dimensional laser scanning operation and a using method thereof, which solve the problems that the numbers are easy to be confused and the error rate is high in the later image processing of the existing three-dimensional scanning operation, realize the direct labeling in the image scanning process through different numbers of beacons II, and are convenient for the later processing.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a target for three-dimensional laser scanning operations, comprising:
a target disk, the target disk having a regular geometric structure;
the first beacon is detachably connected to the center of the target disc;
the second beacon is detachably connected with the target disc;
the support, this support is dismantled and is connected in target dish one side.
The target disc is a disc, a first threaded groove is formed in the center of the target disc, at least two second threaded grooves are formed in the target disc at equal intervals, the distances between the second threaded grooves and the first threaded groove are equal, and a first beacon and a second beacon are in threaded connection in the first threaded groove and the second threaded groove respectively.
The beacon I is composed of a hemisphere and a connecting rod, the connecting rod is fixed at the center of the plane of the hemisphere, an external thread is arranged on the connecting rod, the connecting rod is in threaded connection with the threaded groove I, the beacon II is the same as the beacon I in structure, and the volume of the beacon I is smaller than that of the beacon II.
The second threaded groove is four pairs, the four pairs of second threaded grooves are distributed on the target disc at equal intervals and are the same as the first threaded groove in distance, and the four pairs of second threaded grooves are internally connected with the second beacon in a threaded manner.
The support includes chassis and backup pad, chassis one end handing-over is in target dish one side, backup pad one end articulates on the chassis, and is located between target dish and the chassis, it has a plurality of spacing grooves to open under the target dish, the backup pad other end and spacing groove meshing.
And a magnet is embedded below the target disc.
A method for using a target for three-dimensional laser scanning operation, at least comprising any one of the above-mentioned targets for three-dimensional laser scanning operation, further comprising the steps of:
the first step is as follows: opening the underframe, inserting the supporting plate into the limiting groove, placing the target plate at the edges of two sides in the scanning range of the scanner through the underframe, and then performing scanning operation in the area;
the second step is that: after the first-step area scanning is finished, a second beacon is in threaded connection with a second threaded groove of the target disc, the placing position is adjusted at the same time, the placing position is staggered with the first placing position and is positioned at the inner edges of the ranges of the first scanning area and the second scanning area, the target disc in threaded connection with the second beacon is placed on the other side of the edge in the second scanning area, and then the scanning operation of the second area is carried out;
the third step: repeating the second scanning operation, increasing the number of beacons by two before scanning the next area to mark the number of the scanning area,
when the target disc is placed, if the placing position is provided with equipment made of metal materials, the target disc can be adsorbed on the metal materials through the magnet;
the fourth step: after scanning is finished, computer integration is carried out, the scanned first beacon and the scanned second beacon are in highlight states, and an operator distinguishes scanning area numbers through different highlight quantity points.
The invention has the beneficial effects that: the sphere is arranged at the center of the target plate, so that the splicing center can be accurately provided, and the splicing precision is high.
Because four pairs of grooves are arranged on the target center, the whole target is numbered by mounting the number of the small hemispheroids, and the artificial target number is omitted in the later stage.
The magnet is arranged behind the target disc and fixed on the ferrous material through the magnet, and the magnet can be arranged on the non-ferrous object through the bracket below the target disc.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the practical use of the present invention.
In the figure: 1-target disc; 2-beacon one; 3-beacon two; 4-hemisphere; 5-a connecting rod; 6-a chassis; 7-a support plate; 8-a limiting groove; 9-magnet.
Detailed Description
Example 1:
referring to fig. 2, which is a schematic structural view of embodiment 1 of the present invention, a target for three-dimensional laser scanning operation includes:
a target disc 1, wherein the target disc 1 has a regular geometric structure;
a beacon I2, wherein the beacon I2 is detachably connected to the center of the target plate 1;
a second beacon 3, wherein the second beacon 3 is detachably connected with the target plate 1;
and the support is detachably connected to one side of the target plate 1.
In actual use: during scanning, the target disc 1 is placed at the edge of a scanning image range of a scanner through a support, the target disc 1 is placed in a staggered mode before the next scanning image, the target disc is also located in the previous scanning image range, the number of the beacon II 3 in each scanned image segment is different, then the next image scanning is carried out, and after the scanning is finished, when the splicing processing is carried out on the computer software images, the beacon II 3 in each image segment is spliced in order.
Example 2:
on the basis of embodiment 1, referring to fig. 1-2, the present embodiment is different in that: the target disc 1 is a circular disc, a first threaded groove is formed in the center of the target disc 1, at least two second threaded grooves are formed in the target disc 1 at equal intervals, the distances between the second threaded grooves are equal to those between the first threaded grooves, and a first beacon 2 and a second beacon are respectively connected in the first threaded groove and the second threaded groove in a threaded mode.
In actual use: the first beacon 2 is screwed in the first thread groove of the target disc 1, the second beacon 3 is screwed in the second thread groove of the target disc 1, and the first beacon 2 and the second beacon 3 can be stably positioned on the target disc 1 and prevented from falling off through the threaded connection.
Example 3:
on the basis of embodiment 2, referring to fig. 2, the present embodiment is different in that: the beacon I2 is composed of a hemisphere 4 and a connecting rod 5, the connecting rod 5 is fixed at the center of the plane of the hemisphere 4, an external thread is arranged on the connecting rod 5, the connecting rod 5 is in threaded connection with the beacon I2 through a threaded groove, the beacon II 3 is identical to the beacon I2 in structure, and the volume of the beacon II 3 is smaller than that of the beacon I2.
In actual use: connecting rod 5 is used for connecting target dish 1, and hemisphere 4 can be a point when discerning, simultaneously because target dish 1 can't reach when putting parallel with the scanner, can make target dish 1 scanned beacon when nonparallel be a point all the time through hemisphere 4.
Example 4:
on the basis of embodiment 3, referring to fig. 1-2, the present embodiment is different in that: the second threaded groove is four pairs, the four pairs of second threaded grooves are distributed on the target disc 1 at equal intervals and are the same as the first threaded groove in distance, and the four pairs of second threaded grooves are internally and all in threaded connection with the second beacon 3.
In actual use: the number of the beacons II 3 is connected to the plurality of thread grooves II to number the whole target, manual renumbering is omitted in the later period, and the error rate is reduced.
Example 5:
on the basis of embodiment 4, referring to fig. 2-3, the present embodiment is different in that: the support includes chassis 6 and backup pad 7, 6 one end handing-over of chassis is in 1 one side of target dish, 7 one end of backup pad articulates on chassis 6, and is located between 1 and the chassis 6 of target dish, target dish 1 is under opened has a plurality of spacing grooves 8, the backup pad 7 other end and the meshing of spacing groove 8.
In actual use: the underframe 6 is opened, the supporting plate 7 is turned over on the underframe 6, the other end of the supporting plate 7 is inserted into the limiting groove 8, and the elevation angle of the target disc 1 can be adjusted through the difference of the inserted limiting grooves 8, so that the target disc is as horizontal as possible with the scanner.
Example 6:
on the basis of embodiment 5, referring to fig. 2, the present embodiment is different in that: a magnet 9 is embedded in the lower center of the target disc 1.
In actual use: can be adsorbed on the iron material through the magnet 9, so that the iron material is convenient to place.
Example 7:
referring to fig. 3, a method for using a target for three-dimensional laser scanning operation at least includes the above-mentioned target for three-dimensional laser scanning operation, and further includes the following steps:
the first step is as follows: the underframe 6 is opened, the supporting plate 7 is inserted into the limit groove 8, the target disc 1 is placed at the edges of two sides in the scanning range of the scanner through the underframe 6, and then the scanning operation of the area is carried out;
the second step is that: after the first-step area scanning is finished, a beacon II 3 is in threaded connection with a threaded groove II of the target disc, the placing position is adjusted at the same time, the placing position is staggered with the first placing position and is positioned at the inner edges of the ranges of the first scanning area and the second scanning area, the target disc in threaded connection with the beacon II 3 is placed on the other side of the edge in the second scanning area, and then the scanning operation of the second area is carried out;
the third step: repeating the second scanning operation, increasing the number of beacons by two and 3 before scanning the next area to mark the number of the scanning area,
when the target disc 1 is placed, if the placing position is provided with equipment made of metal materials, the target disc 1 can be adsorbed on the metal materials through the magnet 9;
the fourth step: after scanning, computer integration is carried out, the scanned first beacon 2 and the scanned second beacon 3 are in a highlight state, and an operator distinguishes scanning area numbers through different highlight quantity points.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
Claims (7)
1. A target for three-dimensional laser scanning operation, comprising:
a target disc (1), the target disc (1) having a regular geometric structure;
a beacon I (2), wherein the beacon I (2) is detachably connected to the center of the target disc (1);
a second beacon (3), wherein the second beacon (3) is detachably connected with the target disc (1);
the support is detachably connected to one side of the target disc (1).
2. The target for the three-dimensional laser scanning operation according to claim 1, wherein the target plate (1) is a circular plate, a first threaded groove is formed in the central position of the target plate (1), at least two second threaded grooves are formed on the target plate (1) at equal intervals, the distances between the second threaded grooves and the first threaded groove are equal, and a first beacon (2) and a second beacon are respectively screwed into the first threaded groove and the second threaded groove.
3. The target for the three-dimensional laser scanning operation as claimed in claim 2, wherein the beacon I (2) is composed of a hemisphere (4) and a connecting rod (5), the connecting rod (5) is fixed at the center of the plane of the hemisphere (4), the connecting rod (5) is provided with an external thread, the connecting rod (5) is in threaded connection with a threaded groove I, the beacon II (3) has the same structure as the beacon I (2), and the volume of the beacon II (3) is smaller than that of the beacon I (2).
4. The target for three-dimensional laser scanning operation as claimed in claim 2, wherein the two screw grooves are four pairs, the four pairs of the two screw grooves are equidistantly distributed on the target plate (1) and are all at the same distance from the two screw grooves, and the two screw grooves are all internally screwed with the two beacon (3).
5. The target for the three-dimensional laser scanning operation as claimed in claim 1, wherein the support comprises a base frame (6) and a support plate (7), one end of the base frame (6) is connected to one side of the target disc (1), one end of the support plate (7) is hinged to the base frame (6) and is located between the target disc (1) and the base frame (6), a plurality of limiting grooves (8) are formed in the target disc (1), and the other end of the support plate (7) is engaged with the limiting grooves (8).
6. The target for three-dimensional laser scanning operations as claimed in claim 1, wherein the target disc (1) has magnets (9) embedded underneath.
7. A method of using a target for three-dimensional laser scanning operations, comprising at least one of the targets of claims 1-6, further comprising the steps of:
the first step is as follows: the bottom frame (6) is opened, the supporting plate (7) is inserted into the limiting groove (8), the target disc (1) is placed on the edges of two sides in the scanning range of the scanner through the bottom frame (6), and then the scanning operation of the area is carried out;
the second step is that: after the first-step area scanning is finished, a second beacon (3) is in threaded connection with a second threaded groove of the target disc, the placing position is adjusted at the same time, the placing position is staggered with the first placing position and is located at the inner edges of the range of the first scanning area and the second scanning area, the target disc in threaded connection with the second beacon (3) is placed on the other side of the edge of the second scanning area, and then the scanning operation of the second area is carried out;
the third step: repeating the second scanning operation, increasing the number of beacons two (3) before scanning the next area to mark the number of the scanning area,
when the target disc (1) is placed, if the placing position is provided with equipment made of metal materials, the target disc (1) can be adsorbed on the metal materials through the magnet (9);
the fourth step: after scanning is finished, computer integration is carried out, the scanned beacon I (2) and the scanned beacon II (3) are in highlight states, and an operator distinguishes scanning area numbers through different highlight quantity points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419042.4A CN111551128A (en) | 2020-05-18 | 2020-05-18 | Target for three-dimensional laser scanning operation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419042.4A CN111551128A (en) | 2020-05-18 | 2020-05-18 | Target for three-dimensional laser scanning operation and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111551128A true CN111551128A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010419042.4A Pending CN111551128A (en) | 2020-05-18 | 2020-05-18 | Target for three-dimensional laser scanning operation and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023197515A1 (en) * | 2022-04-15 | 2023-10-19 | 中铁山桥集团有限公司 | Regular polyhedron apparatus for laser scanning identification, and construction method for same |
-
2020
- 2020-05-18 CN CN202010419042.4A patent/CN111551128A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023197515A1 (en) * | 2022-04-15 | 2023-10-19 | 中铁山桥集团有限公司 | Regular polyhedron apparatus for laser scanning identification, and construction method for same |
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