Portable mobile target for three-dimensional laser point cloud

Abstract

The invention provides a portable mobile target for three-dimensional laser point clouds, which comprises a supporting shell, a target ball main body is arranged at one end of the supporting shell, two clamping arms are symmetrically arranged at the other end of the supporting shell, one end of each clamping arm is rotationally connected with the supporting shell, and the other end of each clamping arm is rotationally connected with the supporting shell. A clamping arm driving mechanism for driving the two clamping arms to be close to or away from each other is arranged in the supporting shell. According to the device, the two clamping arms can be driven to clamp or release through the clamping arm driving mechanism, the supporting shell can be clamped and fixed to the concrete line pole by controlling clamping of the two clamping arms, stable supporting is provided for the target ball body, the target ball body can be rapidly and stably installed on the concrete line pole, and the target ball body can be rapidly and stably installed on the concrete line pole according to the setting requirements of different positions. And public homonymy points are provided, so that rapid and high-precision splicing of multi-site data is facilitated.

Description

Technical Field

[0001] The present invention belongs to the technical field of three-dimensional laser scanning, and in particular relates to a convenient mobile target for three-dimensional laser point cloud. Background Art

[0002] The stitching of multi-site scanning data often requires common points of the same name. The generation of target spheres makes it possible to stitch multi-site data quickly and accurately. The center point is automatically calculated through the scanning data of each site, and the site stitching is fast and effective.

[0003] When scanning inside the substation, the target ball can be magnetically fixed to one side of the iron frame, but for concrete poles, there is currently no way to stably install the target, and it is necessary to first fix an iron plate on the concrete pole and then magnetically fix the target ball to the iron plate, etc. Other cumbersome methods.

[0004] Therefore, it is necessary to design a convenient mobile target for three-dimensional laser point cloud that can quickly and stably install the target ball on the side of a concrete pole to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a convenient mobile target for three-dimensional laser point cloud, which can quickly and stably install a target ball on one side of a concrete pole.

[0006] The technical solution of the present invention is: a portable mobile target for three-dimensional laser point cloud, comprising a supporting shell, one end of the supporting shell is provided with a target ball body, the other end of the supporting shell is symmetrically provided with two clamping arms, one end of the clamping arm is rotatably connected thereto, and a clamping arm driving mechanism for driving the two clamping arms to move closer or farther away is provided inside the supporting shell; the clamping arm driving mechanism has a screw rod rotatably arranged between the two clamping arms inside the supporting shell, a driving block is threadedly connected to the screw rod, both ends of the driving block are hinged with connecting rods, an end of the connecting rod facing away from the driving block is hinged with a hinge seat, the hinge seat is fixedly connected to the clamping arm, a rotating column is rotatably arranged on one side of the supporting shell, and the rotating column is drivingly connected to the screw rod.

[0007] A worm wheel is fixedly provided at the end of the screw, and a worm gear matching the worm wheel is transmission-connected to one side of the worm wheel, and a rotating shaft rotationally connected to the inner side of the support shell is fixedly provided at both ends of the worm gear, a second gear is provided at one end of the rotating shaft close to the rotating column, and a first gear transmission-connected to the second gear is provided on the rotating column.

[0008] A support rod is fixedly arranged on one side of the target sphere body along its radial direction, and one end of the support rod facing away from the target sphere body is fixedly connected to the support shell.

[0009] A background plate corresponding to the target ball body is rotatably mounted on one side of the support rod.

[0010] An extension plate is fixedly provided at one end of the background plate, a connecting rod is vertically fixedly provided on the end of the extension plate facing away from the background plate, a swivel that is rotatably mounted on the outside of the support rod is fixedly provided on the end of the connecting rod facing away from the extension plate, a locking bolt is radially provided on the outside of the swivel, and the end of the locking bolt corresponds to the side surface of the support rod.

[0011] The portable mobile target for three-dimensional laser point cloud also includes a clamp arm operating handle, which has a support tube, a transmission shaft is rotatably arranged inside the support tube, a rotating handle is fixedly arranged at the bottom end of the transmission shaft, a sleeve is fixedly arranged at the top end of the transmission shaft, and a rotating groove is arranged at the top end of the sleeve to cooperate with the rotating column.

[0012] The rotating column is a spline shaft, and the rotating groove is a spline groove.

[0013] A support plate is fixedly arranged on the outer side of the top end of the support tube, and at least two positioning bolts are arranged in a circular array on the top of the support plate. A positioning hole matching with the positioning bolts is arranged on one side of the support shell.

[0014] The support shell is made of ferromagnetic metal material; the top of the support plate is fixedly inlaid with a magnet ring.

[0015] The clamping arms are arc-shaped plate structures, and anti-slip pads are fixedly arranged on the opposite sides of the two clamping arms.

[0016] Beneficial effects of the present invention: (1) In the present invention, the clamping arm driving mechanism can drive the two clamping arms to clamp or release. By controlling the clamping of the two clamping arms, the support shell can be clamped and fixed on the concrete pole, providing stable support for the target ball body, and realizing the rapid and stable installation of the target ball body on the concrete pole. According to the setting requirements of different positions, public same-name points are provided to facilitate the rapid and high-precision splicing of multi-site data; (2) By rotating the transmission column, the transmission column drives the screw to rotate, and the screw and the drive block cooperate with each other through the threaded structure, driving the drive block to move axially along the screw. During the movement of the drive block, the connecting rod drives the clamping arm, so that the two clamping arms can be approached for clamping or moved away for release at the same time, which is conducive to quickly clamping it in the installation position or quickly removing it from the installation position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the exploded structure schematic diagrams of the portable mobile target used for three-dimensional laser point cloud in the present invention.

[0018] Figure 2 This is the second schematic diagram of the explosion structure of the convenient mobile target used for three-dimensional laser point cloud in the present invention.

[0019] Figure 3 It is a partial schematic diagram of the convenient mobile target used for three-dimensional laser point cloud in the present invention.

[0020] Figure 4 for Figure 3 Cross-section view at AA in the middle.

[0021] Figure 5 for Figure 3 Cross-section view at the middle BB.

[0022] Figure 6 It is a schematic structural diagram of the clamp arm operating handle in the present invention.

[0023] Figure 7 for Figure 6 Cross-sectional view at CC. DETAILED DESCRIPTION

[0024] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is not intended to be any limitation on the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limitations.

[0025] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0026] like Figures 1 to 5As shown, a portable mobile target for three-dimensional laser point cloud comprises a support shell 3, one end of the support shell 3 is provided with a target ball body 1, the other end of the support shell 3 is symmetrically provided with two clamping arms 4, one end of the clamping arm 4 is rotatably connected thereto, and the interior of the support shell 3 is provided with a clamping arm driving mechanism 6 for driving the two clamping arms 4 to move closer or farther away; the clamping arm driving mechanism 6 comprises a screw rod 61 rotatably arranged between the two clamping arms 4 inside the support shell 3, a driving block 65 is threadedly connected to the screw rod 61, both ends of the driving block 65 are hinged with connecting rods 63, one end of the connecting rod 63 away from the driving block 65 is hinged with a hinge seat 64, the hinge seat 64 is fixedly connected to the clamping arm 4, a rotating column 68 is rotatably arranged on one side of the support shell 3, and the rotating column 68 is transmission-connected to the screw 61; in this embodiment, through the clamping arm driving mechanism 6 can drive the two clamping arms 4 to clamp or release. By controlling the clamping of the two clamping arms 4, the support shell 3 can be clamped and fixed on the concrete pole, providing stable support for the target ball body 1, and realizing the rapid and stable installation of the target ball body 1 on the concrete pole. According to the setting requirements of different positions, a common same-name point is provided to facilitate the rapid and high-precision splicing of multi-site data; by rotating the transmission column 68, the transmission column 68 drives the screw rod 61 to rotate, and the screw rod 61 cooperates with the driving block 65 through the threaded structure, driving the driving block 65 to move the axial direction of the screw rod 61. During the movement of the driving block 65, the clamping arm 4 is driven by the connecting rod 63, so that the two clamping arms 4 are simultaneously clamped close to each other or released away from each other, which is conducive to quickly clamping it at the installation position or quickly removing it from the installation position.

[0027] In some embodiments, a worm wheel 66 is fixedly provided at the end of the screw rod 61, and a worm 67 matching therewith is transmission-connected to one side of the worm wheel 66, and a rotating shaft 671 rotationally connected to the inner side of the support shell 3 is fixedly provided at both ends of the worm wheel 67, and a second gear 672 is provided on the rotating shaft 671 at one end close to the rotating column 68, and a first gear 681 transmission-connected to the second gear 672 is provided on the rotating column 68. By twisting the rotating column 68, the rotating column 68 cooperates with the second gear 672 through the first gear 681, and can drive the worm 67 to rotate, and the worm 67 is meshed with the worm wheel 66, driving the screw rod 61 to drive the driving block 65 to move, thereby realizing the clamping or release control of the two clamp arms 4; after the two clamp arms 4 are clamped in the installation position, the self-locking property of the worm wheel 66 and the worm 67 can be used to keep the two clamp arms 4 in a clamped state without loosening.

[0028] In some embodiments, as a specific connection method between the target sphere body 1 and the support shell 3, a support rod 11 is fixedly provided on one side of the target sphere body 1 along its radial direction, and one end of the support rod 11 facing away from the target sphere body 1 is fixedly connected to the support shell 3.

[0029] In some embodiments, a background plate 2 corresponding to the target ball body 1 is rotatably mounted on one side of the support rod 11, and the color of the background plate 2 is clearly different from the color of the target ball body 1 to avoid affecting the scanner's recognition of the target ball body 1 and data collection when the target ball body 1 and the background have the same color. Specifically, the target ball body 1 is a white sphere, and the side of the background plate 2 close to the target ball body 1 has a black, red or green coating.

[0030] In some embodiments, an extension plate 24 is fixedly provided at one end of the background plate 2, a connecting rod 23 is vertically fixedly provided on the end of the extension plate 24 facing away from the background plate 2, a swivel 21 rotatably mounted on the outside of the support rod 11 is fixedly provided on the end of the connecting rod 23 facing away from the extension plate 24, a locking bolt 22 is radially provided on the outside of the swivel 21, and the end of the locking bolt 22 corresponds to the side of the support rod 11. The orientation of the background plate 2 can be adjusted by rotating the swivel 21, and it should be adjusted to correspond to the laser scanning equipment when in use. After the adjustment is completed, the end of the locking bolt 22 is locked against the side of the support rod 11 before installation.

[0031] In some embodiments, Figures 1 to 7 As shown, the convenient mobile target for three-dimensional laser point cloud also includes a clamping arm operating handle 5, which has a supporting tube 57, and a transmission shaft 58 is rotatably arranged inside the supporting tube 57. A rotating handle 56 is fixedly arranged at the bottom end of the transmission shaft 58, and a sleeve 54 is fixedly arranged at the top end of the transmission shaft 58. A rotating groove 55 which is matched and connected with a rotating column 68 is arranged at the top end of the sleeve 54. In order to facilitate installation at a high place, the supporting shell 3 can be installed on the upper end of the supporting tube 57, and the rotating column 68 is matched and inserted together with the rotating groove 55. The supporting shell 3 can be lifted to a high position through the supporting tube 57, and then by twisting the rotating handle 56, the rotating handle 56 drives the sleeve 54 to rotate through the transmission shaft 58, and the sleeve 54 drives the rotating column 68 to rotate through the rotating groove 55, so that the two clamping arms 4 can be controlled to be clamped or released at a high place, which is convenient for the high installation and disassembly of the mobile target.

[0032] In some embodiments, the rotating column 68 is a spline shaft, and the rotating groove 55 is a spline groove. The rotating column 68 can be inserted into the rotating groove 55, and the rotating groove 55 can drive the rotating column 68 to rotate when it rotates.

[0033] In some embodiments, a support plate 51 is fixedly provided on the outer side of the top end of the support tube 57, and at least two positioning bolts 52 are arranged in a circular array on the top of the support plate 51. A positioning hole 31 matching with the positioning bolt 52 is provided on one side of the support shell 3. The positioning bolt 52 and the positioning hole 31 are matched and inserted together, so that relative rotation between the support shell 3 and the support tube 57 can be avoided in the process of rotating the rotating column 68 by rotating the rotating handle 56.

[0034] In some embodiments, the support shell 3 is made of ferromagnetic metal material; a magnet ring 53 is fixedly embedded on the top of the support plate 51, and the support shell 3 can be removably magnetically fixed to the top of the support plate 51 through the magnet ring 53. During the installation and disassembly process, the connection stability between the support shell 3 and the support plate 51 can be improved, and it is not easy to fall off.

[0035] In some embodiments, the clamp arm 4 is an arc-shaped plate structure, and an anti-slip pad 41 is fixedly provided on the opposite side between the two clamp arms 4. The anti-slip pad 41 can increase the friction between the clamp arm 4 and the installation location, further improving the installation stability; specifically, the anti-slip pad 41 is a rubber pad fixed on the inner side of the clamp arm 4.

[0036] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0037] The above-mentioned embodiments only express some implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A portable mobile target for three-dimensional laser point cloud, characterized in that: It comprises a support shell, one end of which is provided with a target ball body, the other end of which is symmetrically provided with two clamping arms, one end of which is rotatably connected with the clamping arm, and the interior of the support shell is provided with a clamping arm driving mechanism for driving the two clamping arms to move closer or farther away; The clamping arm driving mechanism comprises a screw rod rotatably arranged between the two clamping arms inside the supporting shell, the screw rod is threadedly connected to a driving block, both ends of the driving block are hinged with connecting rods, an end of the connecting rod facing away from the driving block is hinged with a hinge seat, the hinge seat is fixedly connected to the clamping arm, a rotating column is rotatably arranged on one side of the supporting shell, and the rotating column is drivingly connected to the screw rod.

2. The portable mobile target for three-dimensional laser point cloud according to claim 1, characterized in that: A worm wheel is fixedly provided at the end of the screw, and a worm gear matching the worm wheel is transmission-connected to one side of the worm wheel, and a rotating shaft rotationally connected to the inner side of the support shell is fixedly provided at both ends of the worm gear, a second gear is provided at one end of the rotating shaft close to the rotating column, and a first gear transmission-connected to the second gear is provided on the rotating column.

3. The portable mobile target for three-dimensional laser point cloud according to claim 1, characterized in that: A support rod is fixedly arranged on one side of the target sphere body along its radial direction, and one end of the support rod facing away from the target sphere body is fixedly connected to the support shell.

4. The portable mobile target for three-dimensional laser point cloud according to claim 3, characterized in that: A background plate corresponding to the target ball body is rotatably mounted on one side of the support rod.

5. The portable mobile target for three-dimensional laser point cloud according to claim 4, characterized in that: An extension plate is fixedly provided at one end of the background plate, a connecting rod is vertically fixedly provided on the end of the extension plate facing away from the background plate, a swivel that is rotatably mounted on the outside of the support rod is fixedly provided on the end of the connecting rod facing away from the extension plate, a locking bolt is radially provided on the outside of the swivel, and the end of the locking bolt corresponds to the side surface of the support rod.

6. The portable mobile target for three-dimensional laser point cloud according to claim 2, characterized in that: It also includes a clamp arm operating handle, which has a support tube, a transmission shaft is rotatably arranged inside the support tube, a rotating handle is fixedly arranged at the bottom end of the transmission shaft, a sleeve is fixedly arranged at the top end of the transmission shaft, and a rotating groove is arranged at the top end of the sleeve to cooperate with the rotating column.

7. The portable mobile target for three-dimensional laser point cloud according to claim 6, characterized in that: The rotating column is a spline shaft, and the rotating groove is a spline groove.

8. The portable mobile target for three-dimensional laser point cloud according to claim 6, characterized in that: A support plate is fixedly arranged on the outer side of the top end of the support tube, and at least two positioning bolts are arranged in a circular array on the top of the support plate. A positioning hole matching with the positioning bolts is arranged on one side of the support shell.

9. The portable mobile target for three-dimensional laser point cloud according to claim 8, characterized in that: The support shell is made of ferromagnetic metal material; a magnet ring is fixedly inlaid on the top of the support plate.

10. The portable mobile target for three-dimensional laser point cloud according to claim 1, characterized in that: The clamping arms are arc-shaped plate structures, and anti-slip pads are fixedly arranged on the opposite sides of the two clamping arms.

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