Device for inspecting internal defects of vertical shaft

Abstract

The utility model relates to the technical field of coal mine safety detection, in particular to a device for inspecting internal defects of a vertical shaft, which comprises a disc, a rotating plate and a lower platform, a plurality of groups of steel wire rope holes and a fixed ground penetrating radar are arranged on the disc, a plurality of groups of edge grooves are arranged at the top of the disc, and a lifting steel wire rope is arranged at the center of the disc. The rotating plate is provided with a plurality of groups of side grooves, two groups of symmetrical arc-shaped grooves and mounting holes are formed in two side walls in each group of side grooves, arc-shaped racks are arranged in the arc-shaped grooves, the battery is mounted on the disc, and the disc is mounted on the positioning steel wire rope through a steel wire rope hole. The conveyor belt drives the ground penetrating radar to move and change positions, so that complex defects in the vertical shaft can be comprehensively detected.

Description

Technical Field

[0001] This utility model relates to the field of coal mine safety detection technology, and in particular to a device for inspecting internal defects in vertical shafts. Background Technology

[0002] Intelligent inspection equipment has begun to be used in the field of coal mine safety monitoring in China. These devices are very suitable for shaft inspection work due to their simple operation, high efficiency and strong adaptability.

[0003] However, existing detection equipment, such as ordinary cameras, infrared cameras and cross-section scanners, has limited detection accuracy and is difficult to accurately identify key issues such as well casing deformation, well wall spalling and surface cracks.

[0004] Ground penetrating radar, as a highly efficient detection tool, has significant advantages in well casing inspection, and can clearly reveal potential defects in the well casing;

[0005] However, in the environment of ultra-deep vertical shafts, the performance of air-coupled ground-penetrating radar may be affected by interference from ladder rooms and pipelines, which may lead to reduced image quality and thus affect the accurate assessment of the wall condition.

[0006] Therefore, in order to ensure the accuracy of inspection results, intelligent inspection equipment needs to conduct close-range detailed detection and comprehensive inspection of areas with unclear images to ensure that accurate and effective inspection data can be provided. Summary of the Invention

[0007] Therefore, this utility model was made in view of the above problems. The purpose of this utility model is to utilize the simultaneous rotation of the rotating plate driven by the motor and the meshing of the gear and the arc-shaped rack to make the conveyor belt carry the ground penetrating radar to move and change position to adapt to the state after the rotating plate has rotated out, so that the ground penetrating radar is close to the place to be detected, realizing a close detection mode to solve the above problems. This utility model achieves the above objective through the following technical solution:

[0008] A device for inspecting internal defects in a vertical shaft includes: a disc, a rotating plate, and a lower platform. The disc has multiple sets of wire rope holes and a fixed ground-penetrating radar. The top of the disc has multiple sets of side grooves, and a lifting wire rope is located at the center of the disc. Each side groove has two sets of symmetrical arc-shaped grooves and mounting holes on its two side walls. Each arc-shaped groove has an arc-shaped rack. A battery is mounted on the disc, which is mounted on a positioning wire rope through the wire rope holes. A drive shaft is mounted on one end of the rotating plate, with gears mounted at both ends. A driven shaft is mounted on the other end of the rotating plate. The rotating plate has two sets of mounting grooves and two sets of rotating shafts on its side. A bearing plate is mounted in the middle section of the rotating plate. A conveyor belt is mounted on the drive shaft. A motor is located inside the mounting hole, and an electromagnet is located inside the mounting groove.

[0009] Preferably, the gear is located in the arc-shaped groove and meshes with the arc-shaped rack.

[0010] Preferably, a mobile ground-penetrating radar is installed on the conveyor belt, and the output shaft of the motor is connected to the end of the rotating shaft.

[0011] Preferably, a friction block is installed at one end of the electromagnet, and a spring is installed at the other end of the electromagnet. The electromagnet is installed in the mounting groove through the end of the spring.

[0012] Preferably, a 3D laser scanner is provided at the lower end of the lower platform, and a lower plate is provided at the lower end of the lower platform. Multiple CCD cameras and light sources are installed below the lower plate.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model utilizes a motor to drive a rotating plate to rotate out, while the meshing of gears and an arc-shaped rack causes the conveyor belt to carry the ground-penetrating radar to move and change position to adapt to the state after the rotating plate rotates out. This allows the ground-penetrating radar to get close to the area to be detected, achieving a close-range detection mode. This enables the comprehensive detection of complex defects inside the vertical shaft, as well as the real-time detection of minute defects. While ensuring personnel safety, it improves the efficiency and effectiveness of the detection work. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the first state of the inspection device provided by this utility model.

[0016] Figure 2 This is a schematic diagram of the second state of the inspection device provided by this utility model.

[0017] Figure 3 An explosion diagram of the inspection device provided by this utility model.

[0018] Figure 4 This is a schematic diagram of the rotating plate assembly provided by this utility model.

[0019] Figure 5 A schematic diagram of the disc provided by this utility model.

[0020] Figure 6 A schematic diagram of the rotating plate provided by this utility model.

[0021] Figure 7 A schematic diagram of the friction block provided by this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 10. Disc; 101. Wire rope hole; 102. Fixed ground-penetrating radar; 11. Side groove; 12. Pulling wire rope; 13. Arc groove; 131. Arc rack; 14. Mounting hole; 15. Battery; 16. Positioning wire rope; 20. Rotating plate; 21. Drive shaft; 211. Gear; 22. Mounting groove; 23. Rotating shaft; 24. Driven shaft; 25. Bearing plate; 26. Conveyor belt; 261. Mobile ground-penetrating radar; 27. Motor; 28. Electromagnet; 281. Friction block; 282. Spring; 30. Lower platform; 31. 3D laser scanner; 32. Lower plate; 33. CCD camera; 34. Light source. Detailed Implementation

[0024] Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will make it easy for those skilled in the art to implement these embodiments; however, the present invention can also be implemented in various different forms, and therefore the present invention is not limited to the embodiments described below; in addition, for the purpose of more clearly describing the present invention, parts not connected to the present invention will be omitted from the drawings.

[0025] like Figure 1 , Figure 2 As shown, a device for inspecting internal defects of a vertical shaft includes: a disc 10, a rotating plate 20, and a lower platform 30;

[0026] like Figure 3 As shown, the rotating plate 20 is installed in the mounting hole 14 through the rotating shaft 23. The mounting hole 14 has space inside for installing the motor 27. The gear 211 is located in the arc groove 13 and meshes with the arc rack 131. The battery 15 is installed on the disc 10. The disc 10 is installed on the positioning wire rope 16 through the wire rope hole 101.

[0027] The lower platform 30 is equipped with a control module and a communication module. The control module controls the movement of the entire device, and the communication module transmits data to the receiving end on the ground. The lower platform 30 has a 3D laser scanner 31 at its lower end and a lower plate 32 at its lower end. Multiple CCD cameras 33 and light sources 34 are installed under the lower plate 32.

[0028] like Figure 4 As shown, a mobile ground-penetrating radar 261 is installed on the conveyor belt 26, and the output shaft of the motor 27 is connected to the end of a set of rotating shafts 23.

[0029] The conveyor belt 26 is mounted on the drive shaft 21, the driven shaft 24, and the bearing plate 25. The electromagnet 28 is mounted in the mounting groove 22. The electromagnet 28 is mounted in the mounting groove 22 through the end of the spring 282.

[0030] like Figure 5 As shown, the disc 10 has multiple sets of wire rope holes 101 and a fixed ground penetrating radar 102. The disc 10 has multiple sets of side grooves 11. The disc 10 has an upper end face lifting wire rope 12 at its center. Each side groove 11 has two sets of symmetrical arc grooves 13 and mounting holes 14 on both side walls. Each arc groove 13 has an arc rack 131.

[0031] like Figure 6 As shown, a drive shaft 21 is installed at one end of the rotating plate 20, and gears 211 are installed at both ends of the drive shaft 21. A driven shaft 24 is installed at the other end of the rotating plate 20. The rotating plate 20 has two sets of mounting grooves 22 on its side and two sets of rotating shafts 23 on its side. A bearing plate 25 is installed in the middle section of the rotating plate 20.

[0032] like Figure 7 As shown, a friction block 281 is installed at one end of the electromagnet 28, and a spring 282 is installed at the other end.

[0033] The basic principle of this utility model:

[0034] like Figure 1 As shown, when the detection device receives the detection command, it pulls up the steel wire rope 12 to release the line, thereby causing the disc 10 to move downward along the positioning steel wire rope 16 through the steel wire rope hole 101 to perform detection. At this time, the rotating plate 20 is retracted into the side groove 11. The fixed ground penetrating radar 102 and the movable ground penetrating radar 22 work together to perform circular line detection. At the same time, the three-dimensional laser scanner 31, CCD camera 33 and light source 34 work synchronously to perform three-dimensional scanning and image acquisition program detection.

[0035] When an unidentified defect is detected, motor 27 starts driving the rotating shaft 23 to rotate, causing the rotating plate 20 to rotate 180 degrees counterclockwise around the rotating shaft 23. During this process, the arc-shaped rack 131 meshes with the gear 211, thereby rotating the drive shaft 21, which in turn drives the conveyor belt 26 to move, thus moving the mobile ground-penetrating radar 261 to the other side of the rotating plate 20, achieving the desired effect. Figure 2 The working state shown includes: disk 10, rotating plate 20, and lower platform 30;

[0036] like Figure 3 As shown, the rotating plate 20 is installed in the mounting hole 14 through the rotating shaft 23. The mounting hole 14 has space inside for installing the motor 27. The gear 211 is located in the arc groove 13 and meshes with the arc rack 131. The battery 15 is installed on the disc 10. The disc 10 is installed on the positioning wire rope 16 through the wire rope hole 101.

[0037] The lower platform 30 is equipped with a control module and a communication module. The control module controls the movement of the entire device, and the communication module transmits data to the receiving end on the ground. The lower platform 30 has a 3D laser scanner 31 at its lower end and a lower plate 32 at its lower end. Multiple CCD cameras 33 and light sources 34 are installed under the lower plate 32.

[0038] like Figure 4 As shown, a mobile ground-penetrating radar 261 is installed on the conveyor belt 26, and the output shaft of the motor 27 is connected to the end of a set of rotating shafts 23.

[0039] The conveyor belt 26 is mounted on the drive shaft 21, the driven shaft 24, and the bearing plate 25. The electromagnet 28 is mounted in the mounting groove 22. The electromagnet 28 is mounted in the mounting groove 22 through the end of the spring 282.

[0040] like Figure 5 As shown, the disc 10 has multiple sets of wire rope holes 101 and a fixed ground penetrating radar 102. The disc 10 has multiple sets of side grooves 11. The disc 10 has an upper end face lifting wire rope 12 at its center. Each side groove 11 has two sets of symmetrical arc grooves 13 and mounting holes 14 on both side walls. Each arc groove 13 has an arc rack 131.

[0041] like Figure 6 As shown, a drive shaft 21 is installed at one end of the rotating plate 20, and gears 211 are installed at both ends of the drive shaft 21. A driven shaft 24 is installed at the other end of the rotating plate 20. The rotating plate 20 has two sets of mounting grooves 22 on its side and two sets of rotating shafts 23 on its side. A bearing plate 25 is installed in the middle section of the rotating plate 20.

[0042] like Figure 7 As shown, a friction block 281 is installed at one end of the electromagnet 28, and a spring 282 is installed at the other end.

[0043] The basic principle of this utility model:

[0044] like Figure 1 As shown, when the detection device receives the detection command, it pulls up the steel wire rope 12 to release the line, thereby causing the disc 10 to move downward along the positioning steel wire rope 16 through the steel wire rope hole 101 to perform detection. At this time, the rotating plate 20 is retracted into the side groove 11. The fixed ground penetrating radar 102 and the mobile ground penetrating radar 261 work together to perform circular line detection. At the same time, the three-dimensional laser scanner 31, CCD camera 33 and light source 34 work synchronously to perform three-dimensional scanning and image acquisition program detection.

[0045] When an unidentified defect is detected, motor 27 starts driving the rotating shaft 23 to rotate, causing the rotating plate 20 to rotate 180 degrees counterclockwise around the rotating shaft 23. During this process, the arc-shaped rack 131 meshes with the gear 211, thereby rotating the drive shaft 21, which in turn drives the conveyor belt 26 to move, thus moving the mobile ground-penetrating radar 261 to the other side of the rotating plate 20, achieving the desired effect. Figure 2 The operating state shown allows the mobile ground-penetrating radar 261 to perform detection at closer ranges;

[0046] After the close-range detection is completed, the detection device responds as follows: Figure 1 As shown in the diagram, the steel wire rope 12 is then pulled up to continue releasing the line, causing the disc 10 to probe downwards.

[0047] When the bottom of the well is reached, the reverse program is started, the steel wire rope 12 is pulled up to start winding, so that the disc 10 returns upward. When the top of the well is reached, the movement stops.

[0048] It can perform detection at closer range;

[0049] After the close-range detection is completed, the detection device responds as follows: Figure 1 As shown in the diagram, the steel wire rope 12 is then pulled up to continue releasing the line, causing the disc 10 to probe downwards.

[0050] When the bottom of the well is reached, the reverse program is started, the steel wire rope 12 is pulled up to start winding, so that the disc 10 returns upward. When the top of the well is reached, the movement stops.

Claims

1. An apparatus for inspecting defects in the interior of a vertical shaft, comprising: The disc (10), rotating plate (20), and lower platform (30) are characterized in that: the disc (10) is provided with multiple sets of wire rope holes (101) and a fixed ground-penetrating radar (102); multiple sets of side grooves (11) are opened on the top of the disc (10); a lifting wire rope (12) is provided at the center of the disc (10); each side wall of the side groove (11) has two sets of symmetrical arc grooves (13) and mounting holes (14); each arc groove (13) has an arc rack (131); a battery (15) is installed on the disc (10); the disc (10) passes through the wire rope holes (101) and rotating plate (20) and lower platform (30). 1) Installed on the positioning steel wire rope (16), a drive shaft (21) is installed at one end of the rotating plate (20), gears (211) are installed at both ends of the drive shaft (21), a driven shaft (24) is installed at the other end of the rotating plate (20), two sets of mounting grooves (22) are provided on the side of the rotating plate (20), two sets of rotating shafts (23) are provided on the side of the rotating plate (20), a bearing plate (25) is installed in the middle section of the rotating plate (20), a conveyor belt (26) is installed on the drive shaft (21), a motor (27) is located inside the mounting hole (14), and an electromagnet (28) is located inside the mounting groove (22).

2. The device for inspecting internal defects of a vertical shaft according to claim 1, characterized in that: The gear (211) is located in the arc groove (13) and meshes with the arc rack (131).

3. The device for inspecting internal defects of a vertical shaft according to claim 1, characterized in that: A mobile ground-penetrating radar (261) is installed on the conveyor belt (26), and the output shaft of the motor (27) is connected to the end of the rotating shaft (23).

4. The device for inspecting internal defects of a vertical shaft according to claim 1, characterized in that: A friction block (281) is installed at one end of the electromagnet (28), and a spring (282) is installed at the other end of the electromagnet (28). The electromagnet (28) is installed in the mounting groove (22) through the end of the spring (282).

5. The apparatus for inspecting internal defects of a vertical shaft according to claim 1, wherein: The lower platform (30) is equipped with a three-dimensional laser scanner (31) at its lower end, and a lower plate (32) is provided at the lower end of the lower platform (30). Multiple CCD cameras (33) and light sources (34) are installed below the lower plate (32).

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