Target fixing device for three-dimensional laser scanning

Abstract

The invention discloses a three-dimensional laser scanning target fixing device which comprises a mounting base and a fixing seat, a first mounting seat is annularly mounted on the lower surface of the mounting base, a rectangular baffle is mounted at the outer end of the first mounting seat, a telescopic column is movably mounted on the first mounting seat, and a telescopic sleeve is slidably mounted on the outer surface of the telescopic column; a fastening bolt is arranged on the outer surface of the telescopic sleeve, a conical head is fixedly mounted on the lower surface of the telescopic sleeve, a rotating structure is arranged in the mounting base, a fixing structure is arranged in the fixing base, and the rotating structure comprises a rotating block, a first bearing, a rectangular sliding groove, a threaded rod, a rectangular sliding strip, a second bearing, a first gear and a rectangular strip. According to the target fixing device for three-dimensional laser scanning, the fixing device does not need to be taken up, then the rotation angle is slowly adjusted, the operation is simple and easy, and targets of different sizes can be fixed.

Description

Technical Field

[0001] The present invention relates to the technical field of three-dimensional laser scanning auxiliary equipment, and particularly relates to a target fixing device for three-dimensional laser scanning. Background Art

[0002] Through the method of high-speed laser scanning measurement, three-dimensional laser scanning technology can quickly obtain the three-dimensional coordinate data of the surface of the object to be measured over a large area and with high resolution. At the same time, a three-dimensional solid model of the object can be established through professional software and measurement data. This technology has characteristics such as non-contact, rapidity, and initiative. The real-time acquired data has characteristics such as high density and high precision. It is a new type of surveying and mapping technology integrating a variety of high technologies. Inside the scanning instrument, the scanning control module adjusts and measures the angle of each pulsed laser. For each scanning point, the slant distance from the emission point to the scanning point can be measured. Then, combined with the horizontal and vertical direction angles of the scan, the spatial relative coordinates of each scanning point and the emission point can be obtained. It is widely used in industries such as construction, engineering, and shipbuilding. When the three-dimensional laser scanner scans in different directions, a target device is required as the basis for stitching images, so that a complete three-dimensional image can be completed during the final image processing. However, at present, when the three-dimensional laser scanner is scanning, the fixing device of the target is non-adjustable. When different-sized targets need to be fixed, different fixing devices are required. Moreover, when adjusting the rotation angle of the target, the fixing device needs to be picked up and then the rotation angle is slowly adjusted, which is rather troublesome. Summary of the Invention

[0003] The main purpose of the present invention is to provide a target fixing device for three-dimensional laser scanning, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A target fixing device for three-dimensional laser scanning includes a mounting base and a fixing seat. The lower surface of the mounting base is annularly provided with a first mounting seat. The outer end of the first mounting seat is provided with a rectangular baffle. A telescopic column is movably mounted on the first mounting seat. A telescopic sleeve is slidably mounted on the outer surface of the telescopic column. A fastening bolt is provided on the outer surface of the telescopic sleeve. A tapered head is fixedly mounted on the lower surface of the telescopic sleeve. A rotating structure is arranged inside the mounting base, and a fixing structure is arranged inside the fixing seat. The rotating structure includes a rotating block, a first bearing, a rectangular chute, a threaded rod, a rectangular slide, a second bearing, a first gear, a rectangular bar, a first groove, a tooth groove, a rotating rod, a third bearing, an annular chute, and an annular slider.

[0006] Preferably, a first groove is formed inside the mounting base. A rectangular sliding groove is formed in the bottom surface of the first groove. First bearings are fixedly installed in the middle of the two ends of the rectangular sliding groove. A threaded rod is installed on the first bearings. A rotating block is fixedly installed on the other end surface of the threaded rod. A rectangular sliding bar is threadedly installed on one end of the outer surface of the threaded rod.

[0007] Preferably, a rectangular bar is fixedly installed on the upper surface of the rectangular sliding bar. A tooth groove is formed in the front surface of the rectangular bar. A second bearing is fixedly installed in the middle of the bottom surface of the first groove. A third bearing is fixedly installed in the middle of the upper surface of the mounting base. A rotating rod is installed on the second bearing and the third bearing. A fixed seat is fixedly installed on the upper surface of the rotating rod.

[0008] Preferably, a first gear is fixedly installed on the outer surface of the rotating rod near the lower end. The first gear meshes with the tooth groove formed in the front surface of the rectangular bar. An annular sliding block is fixedly installed on the lower surface of the fixed seat. An annular sliding groove is formed in the upper surface of the mounting base. The annular sliding block is slidably installed in the annular sliding groove.

[0009] Preferably, the fixing structure includes a servo motor, a rectangular groove, a first bevel gear, a fourth bearing, a transmission rod, a second bevel gear, a fifth bearing, a rotating shaft, a sixth bearing, a first rod, a shaft rod, a driven gear, a driving gear, a second groove, a first folding rod, a second folding rod, a second mounting seat, an I-shaped sliding block, a first sliding groove, and a clamping plate.

[0010] Preferably, a rectangular groove is formed inside the fixed seat. A fourth bearing is fixedly installed in the middle of the other end surface of the rectangular groove. A transmission rod is installed on the fourth bearing. A servo motor is fixedly installed near the lower end of the other end surface of the fixed seat. The rotating part of the servo motor is fixedly connected to the transmission rod. A first bevel gear is fixedly installed on one end surface of the transmission rod.

[0011] Preferably, a fifth bearing is fixedly installed in the middle of the upper surface of the rectangular groove. A rotating shaft is installed on the fifth bearing. A second bevel gear is fixedly installed on the lower surface of the rotating shaft. The second bevel gear meshes with the first bevel gear. A driving gear is fixedly installed on the upper surface of the rotating shaft. A second groove is formed at the upper end of the rectangular groove inside the fixed seat.

[0012] Preferably, sixth bearings are fixedly installed near both ends of the middle of the upper and lower surfaces of the second groove. A first rod is installed on the sixth bearings. A driven gear is fixedly installed in the middle of the outer surface of the first rod. The driven gear meshes with the driving gear. A first folding rod is fixedly installed near the upper end of the outer surface of the first rod. One end of the first folding rod is movably installed with a shaft rod.

[0013] Preferably, a second folding rod is fixedly installed on the outer surface of the shaft rod. At both ends near the middle of the upper surface of the second groove, a first sliding groove is provided. An I-shaped slider is slidably installed in the first sliding groove. At the lower end of the other surface of the I-shaped slider, a second mounting seat is fixedly installed. A second folding rod is movably installed on the second mounting seat. At the upper end of the other surface of the I-shaped slider, a clamping plate is fixedly installed.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Through the provided rotation structure, when it is necessary to adjust the rotation angle of the target, the rotating block can be rotated, so that the rotating rod rotates on the second bearing and the third bearing, driving the annular slider fixedly installed on the lower surface of the fixed seat to slide in the annular sliding groove provided on the upper surface of the mounting base, thereby driving the fixed seat to rotate until the target rotates to the required angle, without the need to pick up the fixing device and then slowly adjust the rotation angle, which is simple and convenient.

[0016] 2. Through the provided fixing structure, when fixing and installing targets of different sizes, the target can be placed on the fixed seat, and then the servo motor is started to make the I-shaped slider slide towards the middle in the first sliding grooves provided at both ends near the middle of the upper surface of the second groove, thereby driving the clamping plates fixedly installed on the inner surface of the I-shaped slider to move towards the middle to fix targets of different sizes. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of a target fixing device for three-dimensional laser scanning according to the present invention;

[0018] Figure 2 It is a sectional view of the rotation structure of a target fixing device for three-dimensional laser scanning according to the present invention;

[0019] Figure 3 It is a sectional view of the fixing structure of a target fixing device for three-dimensional laser scanning according to the present invention;

[0020] Figure 4 It is a Figure 2 magnified view of part A in a target fixing device for three-dimensional laser scanning according to the present invention;

[0021] Figure 5 It is a Figure 3 magnified view of part B in a target fixing device for three-dimensional laser scanning according to the present invention;

[0022] Figure 6 It is a Figure 3 magnified view of part C in a target fixing device for three-dimensional laser scanning according to the present invention.

[0023] In the figure: 1. Installation base; 2. First installation seat; 201. Rectangular baffle; 3. Telescopic column; 301. Telescopic sleeve; 302. Fastening bolt; 303. Tapered head; 4. Fixed seat; 5. Rotating structure; 501. Rotating block; 502. First bearing; 503. Rectangular chute; 504. Threaded rod; 505. Rectangular slide; 506. Second bearing; 507. First gear; 508. Rectangular bar; 509. First groove; 510. Tooth groove; 511. Rotating rod; 512. Third bearing; 513. Annular chute; 514. Annular slider; 6. Fixing structure; 601. Servo motor; 602. Rectangular groove; 603. First bevel gear; 604. Fourth bearing; 605. Transmission rod; 606. Second bevel gear; 607. Fifth bearing; 608. Rotating shaft; 609. Sixth bearing; 610. First rod; 611. Shaft rod; 612. Driven gear; 613. Driving gear; 614. Second groove; 615. First folding rod; 616. Second folding rod; 617. Second installation seat; 618. I-shaped slider; 619. First chute; 620. Clamp plate. Detailed implementation manners

[0024] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0025] As Figures 1-6 shown, a target fixing device for three-dimensional laser scanning includes an installation base 1 and a fixed seat 4. The lower surface of the installation base 1 is annularly installed with a first installation seat 2. The outer end of the first installation seat 2 is installed with a rectangular baffle 201. A telescopic column 3 is movably installed on the first installation seat 2. A telescopic sleeve 301 is slidably installed on the outer surface of the telescopic column 3. A fastening bolt 302 is provided on the outer surface of the telescopic sleeve 301. A tapered head 303 is fixedly installed on the lower surface of the telescopic sleeve 301. A rotating structure 5 is arranged inside the installation base 1, and a fixing structure 6 is arranged inside the fixed seat 4. The rotating structure 5 includes a rotating block 501, a first bearing 502, a rectangular chute 503, a threaded rod 504, a rectangular slide 505, a second bearing 506, a first gear 507, a rectangular bar 508, a first groove 509, a tooth groove 510, a rotating rod 511, a third bearing 512, an annular chute 513, and an annular slider 514;

[0026] The inside of the mounting base 1 is provided with a first groove 509. The bottom surface of the first groove 509 is provided with a rectangular sliding groove 503. In the middle of the two ends of the rectangular sliding groove 503, a first bearing 502 is fixedly installed. A threaded rod 504 is installed on the first bearing 502. A rotating block 501 is fixedly installed on the other end surface of the threaded rod 504. A rectangular sliding bar 505 is threadedly installed on one end of the outer surface of the threaded rod 504; a rectangular bar 508 is fixedly installed on the upper surface of the rectangular sliding bar 505. A tooth groove 510 is provided on the front surface of the rectangular bar 508. A second bearing 506 is fixedly installed in the middle of the bottom surface of the first groove 509. A third bearing 512 is fixedly installed in the middle of the upper surface of the mounting base 1. A rotating rod 511 is installed on the second bearing 506 and the third bearing 512. A fixing seat 4 is fixedly installed on the upper surface of the rotating rod 511; a first gear 507 is fixedly installed on the outer surface of the rotating rod 511 near the lower end. The first gear 507 meshes with the tooth groove 510 provided on the front surface of the rectangular bar 508. An annular sliding block 514 is fixedly installed on the lower surface of the fixing seat 4. An annular sliding groove 513 is provided on the upper surface of the mounting base 1. The annular sliding block 514 is slidably installed in the annular sliding groove 513. When it is necessary to adjust the rotation angle of the target, the rotating block 501 can be rotated to make the rotating rod 511 rotate on the second bearing 506 and the third bearing 512, driving the annular sliding block 514 fixedly installed on the lower surface of the fixing seat 4 to slide in the annular sliding groove 513 provided on the upper surface of the mounting base 1, thereby driving the fixing seat 4 to rotate until the target rotates to the required angle, without having to pick up the fixing device and then slowly adjust the rotation angle, which is simple and convenient; the fixing structure 6 includes a servo motor 601, a rectangular groove 602, a first bevel gear 603, a fourth bearing 604, a transmission rod 605, a second bevel gear 606, a fifth bearing 607, a rotating shaft 608, a sixth bearing 609, a first rod 610, a shaft rod 611, a driven gear 612, a driving gear 613, a second groove 614, a first folding rod 615, a second folding rod 616, a second mounting seat 617, an I-shaped slider 618, a first sliding groove 619, and a clamping plate 620; a rectangular groove 602 is provided inside the fixing seat 4. A fourth bearing 604 is fixedly installed in the middle of the other end surface of the rectangular groove 602. A transmission rod 605 is installed on the fourth bearing 604. A servo motor 601 is fixedly installed on the other end surface of the fixing seat 4 near the lower end. The rotating part of the servo motor 601 is fixedly connected to the transmission rod 605. A first bevel gear 603 is fixedly installed on one end surface of the transmission rod 605; a fifth bearing 607 is fixedly installed in the middle of the upper surface of the rectangular groove 602. A rotating shaft 608 is installed on the fifth bearing 607. A second bevel gear 606 is fixedly installed on the lower surface of the rotating shaft 608. The second bevel gear 606 meshes with the first bevel gear 603. A driving gear 613 is fixedly installed on the upper surface of the rotating shaft 608. A second groove 614 is provided at the upper end of the rectangular groove 602 inside the fixing seat 4;At the middle of the upper and lower surfaces of the second slot 614 near both ends, sixth bearings 609 are fixedly installed. A first rod 610 is installed on the sixth bearings 609. At the middle of the outer surface of the first rod 610, a driven gear 612 is fixedly installed. The driven gear 612 meshes with a driving gear 613. Near the upper end of the outer surface of the first rod 610, a first folding rod 615 is fixedly installed. One end of the first folding rod 615 is movably installed with a shaft rod 611; on the outer surface of the shaft rod 611, a second folding rod 616 is fixedly installed. Near both ends of the middle of the upper surface of the second slot 614, first sliding grooves 619 are opened. In the first sliding grooves 619, I-shaped sliders 618 are slidably installed. At the lower end of the other end surface of the I-shaped slider 618, a second mounting seat 617 is fixedly installed. On the second mounting seat 617, the second folding rod 616 is movably installed. At the upper end of the other end surface of the I-shaped slider 618, a clamping plate 620 is fixedly installed. When fixedly installing targets of different sizes, the target can be placed on the fixed seat 4, and then the servo motor 601 is started to make the I-shaped slider 618 slide towards the middle in the first sliding grooves 619 opened near both ends of the middle of the upper surface of the second slot 614, so as to drive the clamping plate 620 fixedly installed on the inner surface of the I-shaped slider 618 to move towards the middle and fix targets of different sizes.

[0027] It should be noted that the present invention is a target fixing device for three-dimensional laser scanning. When the rotation angle of the target needs to be adjusted, the rotating block 501 is rotated, so that the rotating block 501 drives the threaded rod 504 to rotate on the first bearing 502, so that the rectangular slide bar 505 threadedly installed on the outer surface of the threaded rod 504 slides in the rectangular chute 503, driving the rectangular bar 508 fixedly installed on the upper surface of the rectangular slide bar 505 to move. Since the tooth groove 510 formed on the front surface of the rectangular bar 508 meshes with the first gear 507, the rotating rod 511 is driven to rotate on the second bearing 506 and the third bearing 512, driving the annular slide block 514 fixedly installed on the lower surface of the fixed seat 4 to slide in the annular chute 513 formed on the upper surface of the mounting base 1, thereby driving the fixed seat 4 to rotate until the target rotates to the required angle, without the need to pick up the fixing device and then slowly adjust the rotation angle, which is simple and convenient. When fixing and installing targets of different sizes, the target is placed on the fixed seat 4, and then the servo motor 601 is started, so that the rotating part of the servo motor 601 drives the transmission rod 605 to rotate on the fourth bearing 604, thereby driving the first bevel gear 603 fixedly installed at one end of the transmission rod 605 to rotate. Since the first bevel gear 603 meshes with the second bevel gear 606, the rotating shaft 608 is driven to rotate on the fifth bearing 607, so that the driving gear 613 fixedly installed on the upper surface of the rotating shaft 608 rotates. Since the driven gear 612 meshes with the driving gear 613, the first rod 610 is driven to rotate on the sixth bearing 609, so that the first folding rod 615 fixedly installed near the upper end of the outer surface of the first rod 610 rotates, so that the other end of the second folding rod 616 drives the shaft rod 611 to rotate at one end of the first folding rod 615, so that the second folding rod 616 rotates on the second mounting seat 617 and drives the second mounting seat 617 to move, so that the I-shaped slide block 618 slides towards the middle in the first chute 619 formed near both ends in the middle of the upper surface of the second groove 614, thereby driving the clamping plate 620 fixedly installed on the inner surface of the I-shaped slide block 618 to move towards the middle to fix targets of different sizes.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A target fixing device for three-dimensional laser scanning, characterized in that: It includes an installation base (1) and a fixing base (4). The lower surface of the installation base (1) is annularly installed with a first installation base (2). The outer end of the first installation base (2) is installed with a rectangular baffle (201). A telescopic column (3) is movably installed on the first installation base (2). A telescopic sleeve (301) is slidably installed on the outer surface of the telescopic column (3). A fastening bolt (302) is provided on the outer surface of the telescopic sleeve (301). A conical head (303) is fixedly installed on the lower surface of the telescopic sleeve (301). A rotating structure (5) is arranged inside the installation base (1), and a fixing structure (6) is arranged inside the fixing base (4). The rotating structure (5) includes a rotating block (501), a first bearing (502), a rectangular chute (503), a threaded rod (504), a rectangular slide (505), a second bearing (506), a first gear (507), a rectangular strip (508), a first groove (509), a tooth groove (510), a rotating rod (511), a third bearing (512), an annular chute (513), and an annular slider (514).

2. The target fixing device for three-dimensional laser scanning according to claim 1, wherein: A first groove (509) is opened inside the installation base (1). A rectangular chute (503) is opened on the bottom surface of the first groove (509). First bearings (502) are fixedly installed in the middle of the two end surfaces of the rectangular chute (503). A threaded rod (504) is installed on the first bearings (502). A rotating block (501) is fixedly installed on the other end surface of the threaded rod (504). A rectangular slide (505) is threadedly installed on one end of the outer surface of the threaded rod (504).

3. The target fixing device for three-dimensional laser scanning according to claim 2, characterized in that: A rectangular strip (508) is fixedly installed on the upper surface of the rectangular slide (505). A tooth groove (510) is opened on the front surface of the rectangular strip (508). A second bearing (506) is fixedly installed in the middle of the bottom surface of the first groove (509). A third bearing (512) is fixedly installed in the middle of the upper surface of the installation base (1). A rotating rod (511) is installed on the second bearing (506) and the third bearing (512). A fixing base (4) is fixedly installed on the upper surface of the rotating rod (511).

4. A target fixing device for three-dimensional laser scanning according to claim 3, characterized in that: A first gear (507) is fixedly installed on the outer surface of the rotating rod (511) near the lower end. The first gear (507) meshes with the tooth groove (510) opened on the front surface of the rectangular strip (508). An annular slider (514) is fixedly installed on the lower surface of the fixing base (4). An annular chute (513) is opened on the upper surface of the installation base (1). The annular slider (514) is slidably installed in the annular chute (513).

5. The target fixing device for three-dimensional laser scanning according to claim 4, wherein: The fixing structure (6) includes a servo motor (601), a rectangular groove (602), a first bevel gear (603), a fourth bearing (604), a transmission rod (605), a second bevel gear (606), a fifth bearing (607), a rotating shaft (608), a sixth bearing (609), a first rod (610), a shaft rod (611), a driven gear (612), a driving gear (613), a second groove (614), a first folding rod (615), a second folding rod (616), a second mounting seat (617), an I-shaped slider (618), a first chute (619), and a clamping plate (620).

6. The target fixing device for three-dimensional laser scanning according to claim 5, wherein: A rectangular groove (602) is provided inside the fixing seat (4). In the middle of the other end surface of the rectangular groove (602), a fourth bearing (604) is fixedly installed. A transmission rod (605) is installed on the fourth bearing (604). Near the lower end of the other end surface of the fixing seat (4), a servo motor (601) is fixedly installed. The rotating part of the servo motor (601) is fixedly connected to the transmission rod (605). On one end surface of the transmission rod (605), a first bevel gear (603) is fixedly installed.

7. The target fixing device for three-dimensional laser scanning according to claim 6, characterized in that: In the middle of the upper surface of the rectangular groove (602), a fifth bearing (607) is fixedly installed. A rotating shaft (608) is installed on the fifth bearing (607). On the lower surface of the rotating shaft (608), a second bevel gear (606) is fixedly installed. The second bevel gear (606) meshes with the first bevel gear (603). On the upper surface of the rotating shaft (608), a driving gear (613) is fixedly installed. In the upper part of the rectangular groove (602) inside the fixing seat (4), a second groove (614) is provided.

8. A target fixing device for three-dimensional laser scanning according to claim 7, characterized in that: On the middle of the upper and lower surfaces of the second groove (614) near both ends, sixth bearings (609) are fixedly installed. A first rod (610) is installed on the sixth bearings (609). In the middle of the outer surface of the first rod (610), a driven gear (612) is fixedly installed. The driven gear (612) meshes with the driving gear (613). Near the upper end of the outer surface of the first rod (610), a first folding rod (615) is fixedly installed. One end of the first folding rod (615) is movably installed with a shaft rod (611).

9. The target fixing device for three-dimensional laser scanning according to claim 8, wherein: On the outer surface of the shaft rod (611), a second folding rod (616) is fixedly installed. On the middle of the upper surface of the second groove (614) near both ends, first chutes (619) are provided. An I-shaped slider (618) is slidably installed in the first chutes (619). At the lower end of the other end surface of the I-shaped slider (618), a second mounting seat (617) is fixedly installed. The second folding rod (616) is movably installed on the second mounting seat (617). At the upper end of the other end surface of the I-shaped slider (618), a clamping plate (620) is fixedly installed.

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