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CN-224233736-U - Scanning device for three-dimensional model information acquisition

CN224233736UCN 224233736 UCN224233736 UCN 224233736UCN-224233736-U

Abstract

The application discloses a scanning device for three-dimensional model information acquisition, which relates to the technical field of three-dimensional scanning and comprises a main case, a lower sliding column, an upper sliding column, a sliding rod and a scanning unit, wherein a lifting driving unit is arranged inside the main case, the lower sliding column is inserted into the main case, a lower sliding groove is arranged on the side face of the lower sliding column, the upper sliding column is rotatably connected to the upper end of the lower sliding column, an upper sliding groove is arranged on the side face of the upper sliding column, the upper sliding groove is communicated with the lower sliding groove, a lower movable groove is arranged inside the lower sliding column, an upper movable groove is arranged inside the upper sliding column, the lower movable groove and the upper movable groove form an annular sliding groove, an annular chain is wound in the annular sliding groove, the lifting driving unit drives the chain to move in the annular sliding groove, the sliding rod is inserted into the lower sliding groove and is connected with the chain, and the scanning unit is arranged at the tail end of the lower sliding column. According to the application, the sliding column on the main case is divided into the lower sliding column and the upper sliding column, and the upper sliding column can rotate 90 degrees, so that the scanning unit can scan a large target and a small target in different postures, and the scanning device is suitable for the scanning requirements of various targets.

Inventors

  • HUANG PANPAN
  • HUANG MINZHU
  • CHEN YAN

Assignees

  • 西安宏源视讯设备有限责任公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (10)

  1. 1. A scanning device for three-dimensional model information acquisition, comprising: a main casing (100) in which a lifting drive unit (101) is provided; The mounting plate (110) is horizontally arranged on the outer side face of the main case (100), and a turntable (120) is rotatably arranged at the tail end of the top face of the mounting plate (110); The lower slide column (210) is inserted into the main case (100), and a vertical lower chute (211) is arranged on the side surface of the lower slide column (210); The upper sliding column (220) is rotationally connected to the upper end of the lower sliding column (210) through a hinge (240), and is positioned right above the turntable (120) when the upper sliding column (220) rotates to a horizontal position, an upper sliding groove (221) is formed in the side surface of the upper sliding column (220), and the upper sliding groove (221) is communicated with the lower sliding groove (211); A u-shaped lower movable groove (212) is formed in the lower sliding column (210), a chain (250) is slidably arranged in the lower movable groove (212), and the lower movable groove (212) is communicated with the lower sliding groove (211); an n-type upper movable groove (222) is formed in the upper sliding column (220), the chain (250) extends out of the lower movable groove (212) and then is inserted into the upper movable groove (222), the lower movable groove (212) and the upper movable groove (222) form an annular sliding groove, the annular chain (250) is wound in the annular sliding groove, the upper movable groove (222) is communicated with the upper sliding groove (221), and the lifting driving unit (101) drives the chain (250) to move in the annular sliding groove; And one end of the sliding rod (230) is inserted into the lower sliding groove (211) and connected with the chain (250), and the other end of the sliding rod (230) is provided with a scanning unit (231).
  2. 2. The scanning device for three-dimensional model information acquisition according to claim 1, wherein a driving bevel gear is coaxially arranged on a rotating shaft of the lifting driving unit (101), the lower slide column (210) is inserted into a mounting hole arranged on a side wall of the main case (100), a driven gear is rotatably arranged in the mounting hole, one end of the driven gear is meshed with the driving bevel gear, and the other end of the driven gear is inserted into the chain (250).
  3. 3. The scanning device for three-dimensional model information acquisition according to claim 2, wherein the driven gear comprises two parts of a bevel gear (103) and a post gear (104), the bevel gear (103) is in a conical structure, the post gear (104) is in a cylindrical structure, the bevel gear (103) is meshed with the driving bevel gear, and the post gear (104) is inserted into the chain (250).
  4. 4. The scanning device for three-dimensional model information acquisition according to claim 1, wherein a tensioning wheel (260) is further arranged in the lower movable groove (212), the tensioning wheel (260) is rotatably arranged on a rotating rod, the tail end of the rotating rod is rotatably connected to the inner side wall of the lower movable groove (212), a torsion spring is arranged at the connection position of the rotating rod and the lower movable groove (212), and the torsion spring provides the elasticity of the tensioning wheel (260) for tensioning the chain (250).
  5. 5. The scanning device for three-dimensional model information collection according to claim 1, wherein the top surface of the lower slide column (210) is provided with an arc-shaped lower guide plate (280) at a position where the lower movable groove (212) is close to the lower slide groove (211), the lower guide plate (280) takes the axis of the hinge (240) as a center, the bottom surface of the upper slide column (220) is provided with an upper slot (291) at a position corresponding to the lower guide plate (280), and the lower guide plate (280) is inserted into the upper slot (291) when the upper slide column (220) rotates to a vertical position.
  6. 6. The scanning device for three-dimensional model information collection according to claim 5, wherein the bottom surface of the upper slide column (220) is provided with an arc-shaped upper guide plate (290) at a position where the upper movable groove (222) is close to the upper slide groove (221), the upper guide plate (290) is centered on the axis of the hinge (240), the bottom surface of the lower slide column (210) is provided with a lower slot (281) at a position corresponding to the upper guide plate (290), and the upper guide plate (290) is inserted into the lower slot (281) when the upper slide column (220) is rotated to a vertical position.
  7. 7. The scanning device for three-dimensional model information collection according to claim 6, wherein the curvature of the upper guide plate (290) is larger than the curvature of the upper guide plate (290), and the outer side surface of the upper guide plate (290) is in sliding contact with the inner side surface of the lower guide plate (280) when the upper slide column (220) is rotated to the horizontal position.
  8. 8. The scanning device for three-dimensional model information acquisition according to claim 1, characterized in that the bottom surface of the mounting plate (110) is provided with a rotation driving unit (130), and a rotating shaft of the rotation driving unit (130) is connected with the turntable (120).
  9. 9. Scanning device for three-dimensional model information acquisition according to claim 1, characterized in that the outer bottom of the main chassis (100) is provided with road wheels (300).
  10. 10. A scanning device for three-dimensional model information acquisition according to claim 1, characterized in that the outer top surface of the main housing (100) is provided with a handle (140) at the end remote from the lower slide column (210).

Description

Scanning device for three-dimensional model information acquisition Technical Field The application relates to the technical field of three-dimensional scanning, in particular to a scanning device for three-dimensional model information acquisition. Background In the process of creating a virtual studio, three-dimensional scanning modeling is often performed on existing studio entities by using a three-dimensional scanning device, so as to create a virtual studio with a real effect. The traditional three-dimensional scanning mode mainly comprises a handheld scanner, wherein the scanner moves along with an operator, and three-dimensional point cloud data acquired by the scanner are uploaded to an upper computer. However, the hand-held scanner is easily shaken and cannot realize three-dimensional scanning of the object in all directions, so that the use effect is not good. To this problem, CN222687756U and CN222702935U provide scanning devices on the ground in a manner that the devices provided in these two patents can respectively perform three-dimensional scanning on indoor and movable small targets, and the accuracy of three-dimensional point cloud acquisition is improved by adopting the manner of being placed on the ground. However, the studio is different from the above two objects, and the studio has fixed different objects, such as a wall surface, a large-scale device, and the like, and movable small objects, such as ornaments on a desktop, and the like, so that the scanning device provided by the prior patent cannot simultaneously meet the scanning requirements of the two objects. Disclosure of utility model The embodiment of the application provides a scanning device for three-dimensional model information acquisition, which is used for solving the problem that the scanning device in the prior art cannot meet the three-dimensional scanning requirements of a fixed object and a movable small object at the same time. The embodiment of the application provides a scanning device for three-dimensional model information acquisition, which comprises: The main case is internally provided with a lifting driving unit; The mounting plate is horizontally arranged on the outer side surface of the main case, and the tail end of the top surface of the mounting plate is rotatably provided with a turntable; the lower sliding column is inserted into the main case, and a vertical lower sliding groove is formed in the side surface of the lower sliding column; The upper sliding column is rotationally connected to the upper end of the lower sliding column through a hinge, and is positioned right above the turntable when the upper sliding column rotates to a horizontal position, and an upper sliding groove is formed in the side face of the upper sliding column and is communicated with the lower sliding groove; the upper sliding column is internally provided with an n-type upper movable groove, the chain extends out of the lower movable groove and then is inserted into the upper movable groove, the lower movable groove and the upper movable groove form an annular chute, the annular chain is wound in the annular chute, and the upper movable groove is communicated with the upper chute; One end of the sliding rod is inserted into the lower sliding groove and connected with the chain, and the other end of the sliding rod is provided with a scanning unit. In one possible implementation manner, a driving bevel gear is coaxially arranged on a rotating shaft of the lifting driving unit, a mounting hole is formed in the side wall of the lower sliding column inserted into the main case, a driven gear is rotationally arranged in the mounting hole, one end of the driven gear is meshed with the driving bevel gear, and the other end of the driven gear is inserted into the chain. In one possible implementation, the driven gear includes two parts, namely a bevel gear and a post gear, the bevel gear is in a conical structure, the post gear is in a cylindrical structure, the bevel gear is meshed with the driving bevel gear, and the post gear is inserted into the chain. In one possible implementation manner, the lower movable groove is further provided with a tensioning wheel, the tensioning wheel is rotatably arranged on the rotating rod, the tail end of the rotating rod is rotatably connected to the inner side wall of the lower movable groove, a torsion spring is arranged at the position where the rotating rod is connected with the lower movable groove, and the torsion spring provides the elasticity of the tensioning wheel to tighten the chain. In one possible implementation, the top surface of the lower slide column is provided with an arc-shaped lower guide plate at a position of the lower movable groove close to the lower slide groove, the lower guide plate uses the axis of the hinge as a circle center, the bottom surface of the upper slide column is provided with an upper slot at a position corresponding to the lower guide plate, and the