CN-116923750-B - Unmanned aerial vehicle three-dimensional mapping device in mine

Abstract

The invention discloses an unmanned aerial vehicle three-dimensional mapping device for mines, which relates to the technical field of mapping and comprises a machine body 1, a central control assembly, a signal antenna, a base, two lateral supports and a mapping assembly, wherein a plurality of wings are arranged on the periphery of the machine body, the central control assembly is arranged in the machine body, the wings are controlled by the central control assembly, the signal antenna is arranged above the machine body and connected with the central control assembly, the base is fixedly arranged below the machine body, two lateral supports are symmetrically arranged below the base, and the mapping assembly is fixed between the two lateral supports.

Inventors

• YUAN DEBAO
• LI PEIXIAN
• JIANG JINBAO
• SUN WENBIN

Assignees

• 矿业大学(北京)内蒙古研究院
• 中国矿业大学(北京)

Dates

Publication Date

20260505

Application Date

20230721

Claims (4)

1. 1. The unmanned aerial vehicle three-dimensional mapping device for the mine is characterized by comprising: a fuselage (1) provided with a plurality of wings (2) on the periphery thereof; The central control assembly (3) is arranged inside the fuselage (1), and the wings (2) are controlled by the central control assembly (3); the signal antenna (4) is arranged above the machine body (1), and the signal antenna (4) is connected with the central control assembly (3); The base (5) is fixedly arranged below the machine body (1), and two lateral supports (6) are symmetrically arranged below the base (5); A mapping assembly (7) fixed between two of said lateral supports (6); the mapping assembly (7) comprises: The main support (71) is fixedly arranged on the base (5), a driving motor and a piston assembly are arranged in the main support (71), and the driving motor and the piston assembly are controlled by the central control assembly (3); A hollow screw (72) extending downward from inside the main support (71), and the hollow screw (72) is driven by the driving motor; The adapter piece (73) is fixedly arranged below the main support (71), and the adapter piece (73) is sleeved with the hollow screw rod (72); A vertical photographing assembly (74), a link (751) in the vertical photographing assembly (74) penetrates the hollow screw (72), and the link (751) is controlled to move by a piston assembly in the main support (71); The lateral photographing assemblies (75) are arranged in four, and are circumferentially and uniformly distributed on the periphery of the vertical photographing assembly (74); -a deflection assembly (76) threadedly fitted over the hollow screw (72), the deflection assembly (76) being located below the adapter (73), the deflection assembly (76) being connected to the lateral photography assembly (75); The spherical cover (77) is fixedly connected with the main support (71), the spherical cover (77) is positioned at the outermost layer in the mapping assembly (7), the photographing ends of the vertical photographing assembly (74) and the lateral photographing assembly (75) penetrate through the spherical cover (77), and guide grooves (771) are formed in the positions, corresponding to the vertical photographing assembly (74) and the lateral photographing assembly (75), of the spherical cover (77); The deflection assembly (76) comprises a screw sleeve (761) in threaded fit with the hollow screw (72), a plurality of deflection strips (762) are arranged on the periphery of the screw sleeve (761), one end of each deflection strip (762) is hinged with the screw sleeve (761), and the other end of each deflection strip is hinged to the lateral photographing assembly (75).
2. 2. The unmanned aerial vehicle three-dimensional mapping apparatus of claim 1, wherein the lateral photographing assembly (75) comprises: A connecting rod (751), wherein one end of the connecting rod (751) is hinged on the adapter (73), and the other end of the connecting rod is provided with a rotating bracket (752); The camera module (753) is arranged on the rotating bracket (752), the camera module (753) is also sleeved with the calibration block (754), and the calibration block (754) can be attached to the outer surface of the spherical cover (77) to slide.
3. 3. The unmanned aerial vehicle three-dimensional mapping device for the mine of claim 2, wherein an adjusting motor is arranged inside the rotating bracket (752), and the adjusting motor and the camera module (753) are controlled by the central control assembly (3).
4. 4. An unmanned aerial vehicle three-dimensional surveying device for mines according to claim 2, wherein the vertical photographing assembly (74) is identical in structure to the lateral photographing assembly (75), but a connecting rod (751) in the vertical photographing assembly (74) penetrates through the hollow screw (72), and the connecting rod (751) is controlled to move by a piston assembly in the main support (71).

Description

Unmanned aerial vehicle three-dimensional mapping device in mine Technical Field The invention relates to the technical field of mapping, in particular to an unmanned aerial vehicle three-dimensional mapping device for mines. Background Mineral resources are the basis of economic rapid development, measure relevant topography information such as earth's surface morphology, regional topography nature, rock and soil type, elevation distribution, regional area and the like, be favorable to carrying out unified management to the mine, compare traditional measuring method that instrument such as through the spirit level is complicated, the unmanned aerial vehicle that current through technology is simpler and operability is stronger carries out the measurement, namely carry out the establishment of mine three-dimensional model through oblique photogrammetry, concrete oblique photogrammetry is through carrying a plurality of sensors on the flight platform, simultaneously gather the image from different angles such as a perpendicular four sides and carry out processing modeling, concrete operation process includes that the control point is laid, oblique photogrammetry platform sets up, flight route design, image control point measurement, empty three-dimensional calculation, three-dimensional modeling of live-action and boundary identification draw. According to the low-altitude digital aerial photography specification (CHZ 3005-2010), the course overlapping rate is not lower than 53%, the side overlapping rate is not lower than 8%, the complexity of different areas is different in the actual mine measurement process, the corresponding overlapping rate is different in value, so that the operation amount is guaranteed to be reduced under the condition of modeling requirements, the course of an unmanned aerial vehicle is usually planned and set, more images are shot through multiple times in the complex area, the overlapping rate is controlled by indirectly increasing the course, and in the process of mapping a mine, the course of the unmanned aerial vehicle is increased and needs multiple flight mapping, so that the mapping efficiency is influenced. Therefore, it is necessary to provide an unmanned aerial vehicle three-dimensional mapping device for mines, so as to solve the problems in the background art. Disclosure of Invention In order to achieve the purpose, the invention provides the following technical scheme that the unmanned aerial vehicle three-dimensional mapping device for the mine comprises: A fuselage provided with a plurality of wings at its periphery; The central control assembly is arranged in the fuselage, and the wing is controlled by the central control assembly; The signal antenna is arranged above the machine body and is connected with the central control assembly; the base is fixedly arranged below the machine body, and two lateral supports are symmetrically arranged below the base; and the mapping assembly is fixed between the two lateral supports. Further, preferably, the mapping assembly includes: The main support is fixedly arranged on the base, a driving motor and a piston assembly are arranged in the main support, and the driving motor and the piston assembly are controlled by the central control assembly; The hollow screw rod extends downwards from the inside of the main support and is driven by the driving motor; the adapter is fixedly arranged below the main support and sleeved with the hollow screw rod; The vertical photographing assembly is arranged in the hollow screw rod in a sliding manner and is driven by the piston assembly; the lateral photographing components are arranged in four, and the circumferences of the lateral photographing components are uniformly distributed on the periphery of the vertical photographing component. Further preferably, the mapping assembly further comprises a deflection assembly threadedly engaged on the hollow screw and positioned below the adapter, the deflection assembly being connected to the lateral photography assembly. Further preferably, the deflection assembly comprises a screw sleeve in threaded fit with the hollow screw, a plurality of deflection strips are arranged on the periphery of the screw sleeve, one end of each deflection strip is hinged with the screw sleeve, and the other end of each deflection strip is hinged on the lateral photographing assembly. Further, preferably, the mapping assembly further comprises a spherical cover fixedly connected with the main support, wherein the spherical cover is located at the outermost layer in the mapping assembly, the photographing ends of the vertical photographing assembly and the lateral photographing assembly penetrate through the spherical cover, and the spherical cover is provided with a guide groove corresponding to the vertical photographing assembly and the lateral photographing assembly. Further, preferably, the lateral photographing assembly includes: One end of the connecting rod i