Supportable device for detecting internal defects of vertical shaft

By using an electric push rod to drive a rotating plate to contact the inner wall of the wellbore, and using the rotating plate and connecting rod to drive the ground penetrating radar to change position, combined with three-dimensional laser scanning and a CCD camera, the shortcomings of existing equipment in detection accuracy and efficiency are solved, and efficient and accurate detection of defects inside the vertical shaft is achieved.

CN224035646UActive Publication Date: 2026-03-24HUAINAN FENGBIN ECOLOGICAL AGRICULTURE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing coal mine shaft inspection equipment is insufficient in terms of detection accuracy and efficiency. In particular, it lacks effective means to detect problems such as shaft deformation, shaft wall spalling and surface cracks. Furthermore, existing inspection robots produce unclear images in deep well environments, making it difficult to provide accurate inspection data.

Method used

An electric push rod drives a rotating plate to contact the inner wall of the wellbore for support. The rotating plate and connecting rod drive the ground-penetrating radar to change position, enabling close-range detection. Detailed inspection is then carried out in conjunction with 3D laser scanning and a CCD camera.

Benefits of technology

It enables comprehensive and stable detection of complex and subtle defects inside the vertical shaft, improving detection efficiency and effectiveness, and ensuring the accuracy and completeness of inspection data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine safety detection, in particular to a supportable device for detecting internal defects of a vertical shaft, which comprises an octagonal disc, an extending plate, a rotating plate and a lower table, four groups of through steel wire rope holes are formed in the upper end face of the octagonal disc, four groups of slideways are arranged on the upper end face of the octagonal disc, and each slideway is of a T-shaped structure. Four heightening tables are arranged on the upper end face of the octagonal disc, each heightening table is provided with a fixed ground penetrating radar, side lower plates are arranged on the four side faces of the octagonal disc, each side lower plate is provided with two protruding plates, and a first rotating shaft is arranged between the two side lower plates. The electric push rod is utilized to enable the rotary plate to be screwed out to make contact with the inner wall of a shaft for supporting and stabilizing, and meanwhile the rotary plate and the connecting rod are utilized to enable the push-out plate to drive the ground penetrating radar to move and change the position.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mine safety detection technology, especially to a device capable of supporting and detecting internal defects of vertical shaft. BACKGROUND

[0002] At present, the inspection of the shaft mainly depends on manual operation, but manual operation has problems such as low precision, low efficiency, and easy omission, and it is difficult to meet the needs of deep shaft inspection; Coal mine safety monitoring robots have been applied in China, and these intelligent inspection robots are very suitable for shaft inspection work due to their easy operation, high efficiency, and flexible equipment. However, the existing inspection robots are equipped with devices such as ordinary cameras, infrared cameras, and cross-section scanners, which generally have insufficient detection accuracy, and lack effective detection means for common problems such as shaft deformation, shaft wall peeling, and surface cracks.

[0003] In the actual application environment of coal mines, applying robot technology to specific environments such as coal roadway and vertical shaft can improve health monitoring technology, realize safe, efficient, intelligent, and unmanned mining of coal, monitor and warn the state of coal mine infrastructure and equipment, and provide safety protection for efficient production, which is the development direction of the coal industry;

[0004] Therefore, it is of great significance to develop a deep intelligent unmanned inspection system, use emerging technology to realize regular unmanned inspection of vertical shafts, ensure the safety of the passage, improve the risk prevention and control ability, and provide accurate information for the safety of the vertical shaft passage, which is of great significance for the safety production and digital transformation of the mine area;

[0005] For super-deep vertical shafts, the inspection intelligent robot needs to operate stably, and since the ground penetrating radar may be affected by certain factors in the air coupling mode, the detection image may not be clear, so further detection methods and systems are needed;

[0006] Therefore, in order to ensure the accuracy of the inspection results, the intelligent inspection equipment needs to conduct close-range detailed detection on the areas where the image is not clear, and conduct comprehensive detection to ensure that accurate and effective inspection data can be provided. SUMMARY

[0007] Therefore, the utility model is made in view of the above problems, and the purpose of the utility model is to use the electric push rod to make the rotating plate rotate out of contact with the inner wall of the shaft for stable support, use the rotating plate and the connecting rod to make the push-out plate move with the ground penetrating radar, change the position, make the ground penetrating radar close to the detection area, and realize the close detection mode to solve the above problems; The utility model realizes the above purpose through the following technical solutions:

[0008] The utility model provides a kind of supportable device for detecting the internal defect of vertical shaft, including octagonal tray, extension plate, rotating plate, lower platform, octagonal tray upper end face has four groups of through steel wire rope hole, octagonal tray upper end face is equipped with four groups of slide, slide is T-shaped structure, octagonal tray upper end face is equipped with four groups of heightening platform, each group of heightening platform has fixed ground penetrating radar, octagonal tray four groups of side face are equipped with side lower plate, each group of side lower plate has two groups of protruding plate, two groups of side lower plate between have rotating shaft one, each group of side lower plate both sides have two groups of rotating shaft two, octagonal tray upper end face center has pull-up steel wire rope, extension plate is installed on slide by slide groove, extension plate upper end face is equipped with movable ground penetrating radar, extension plate end is equipped with end plate, end plate both sides are equipped with two groups of rotating hole one, extension plate lower end is equipped with two groups of T-shaped structure's slide groove, the extension plate can slide along slide, connecting rod one end is equipped with rotating hole two, connecting rod other end is equipped with rotating shaft three, rotating plate lower end both sides are equipped with rotating hole three, rotating plate upper end is equipped with two groups of intermediate rod, two groups of intermediate rod upper end are equipped with end block, end block both sides are equipped with two groups of support arm, the both sides of rotating plate are equipped with electric push part and stem part.

[0009] Preferably, the positioning steel wire rope has four groups, and the positioning steel wire rope is fixedly installed in the shaft, the octagonal tray is installed on the positioning steel wire rope through the steel wire rope hole, and the batteries have multiple groups and are installed on the octagonal tray.

[0010] Preferably, one end of the connecting rod is installed in the rotating hole one through the rotating shaft three, and the other end of the connecting rod is installed on the rotating shaft four through the rotating hole two.

[0011] Preferably, the rotating plate is installed on the rotating shaft one through the rotating hole three, the electric push part is installed on the rotating shaft two through the rotating hole four, the support arm is provided with the rotating shaft five, the rotating hole five is installed on the rotating shaft five, the bottom end of the electric push part is provided with the rotating hole four, the electric push part is internally provided with the stem part, and the stem part is provided with the rotating hole five at the end.

[0012] Preferably, the end block is provided with a friction part on the side surface, the end block is internally provided with a hollow groove, and the two sides in the hollow groove are provided with two groups of rotating shaft four.

[0013] Preferably, the lower end of the lower platform is provided with a three-dimensional laser scanner, the lower end of the lower platform is provided with a lower plate, and multiple groups of CCD cameras and light sources are installed on the lower plate.

[0014] The utility model has the beneficial effects that:

[0015] 1、The utility model utilizes electric push rod to make rotating plate rotate out and contact shaft inner wall to support and stabilize, utilizes rotating plate and connecting rod to make extension plate move with ground penetrating radar, change position, make ground penetrating radar close to detection place, realize close detection mode, make complex defect in vertical shaft can be detected comprehensively, subtle defect can also be detected in real time, ensure the stability of device work, improve the working efficiency and effect of detection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The device first state schematic view provided by the utility model.

[0017] Figure 2 The device second state schematic view provided by the utility model.

[0018] Figure 3 The device explosion schematic view provided by the utility model.

[0019] Figure 4 The Figure 3 The enlarged schematic view of A in the middle.

[0020] Figure 5 The eight-sided plate schematic view provided by the utility model.

[0021] Figure 6 The extension plate schematic view provided by the utility model.

[0022] Figure 7 The connecting rod schematic view provided by the utility model.

[0023] Figure 8 The rotating plate schematic view provided by the utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 10, eight-sided plate; 101, steel wire rope hole; 11, slide; 12, height increasing table; 121, fixed ground penetrating radar; 13, side lower plate; 131, protruding plate; 132, rotating shaft one; 133, rotating shaft two; 14, lifting steel wire rope; 15, positioning steel wire rope; 16, battery; 20, extension plate; 21, mobile ground penetrating radar; 22, end plate; 221, rotating hole one; 23, sliding groove; 24, connecting rod; 241, rotating hole two; 242, rotating shaft three; 30, rotating plate; 31, rotating hole three; 32, middle rod; 33, end block; 331, friction part; 332, hollow groove; 333, rotating shaft four; 34, support arm; 341, rotating shaft five; 35, electric pushing part; 351, rotating hole four; 36, rod part; 361, rotating hole five; 40, lower table; 41, three-dimensional laser scanner; 42, lower plate; 43, CCD camera; 44, light source. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model will be described in detail with reference to the drawings, so that these embodiments are easy to realize for those skilled in the art to which the utility model belongs; however, the utility model can also be realized in various different forms, and therefore the utility model is not limited to the embodiments described below; in addition, in order to more clearly describe the utility model, components not connected with the utility model will be omitted from the drawings.

[0027] As Figure 1 , Figure 2 , Figure 3 Indicated, a kind of device of supporting and detecting internal defect of vertical shaft, comprising: octagonal tray 10, extension plate 20, rotating plate 30, lower platform 40;

[0028] Positioning wire rope 15 has four groups, positioning wire rope 15 is fixedly installed in shaft, the octagonal tray 10 is installed on positioning wire rope 15 by wire rope hole 101, battery 16 has multiple groups, is installed on the octagonal tray 10;

[0029] The extension plate 20 is installed on the slide 11 of the octagonal tray 10 by sliding groove 23, the extension plate 20 can slide along slide 11, connecting rod 24 is installed in rotating hole one 221 by rotating shaft three 242, connecting rod 24 is installed on rotating shaft four 333 by rotating hole two 241, rotating plate 30 is installed on rotating shaft one 132 by rotating hole three 31, electric push part 35 is installed on rotating shaft two 133 by rotating hole four 351, rotating hole five 361 is installed on rotating shaft five 341, the lower platform 40 is installed at the lower end center of the octagonal tray 10;

[0030] As Figure 3 Indicated, control module, communication module are installed in the lower platform 40, control module carries out mobile control to overall device, communication module transmits data to the receiving end on ground, the lower platform 40 lower end has three-dimensional laser scanner 41, the lower platform 40 lower end has lower plate 42, and multiple groups of CCD camera 43, light source 44 are installed in lower plate 42 lower end;

[0031] As Figure 4 Indicated, electric push part 35 bottom end has rotating hole four 351, and rod part 36 is installed in electric push part 35, and rod part 36 end has rotating hole five 361;

[0032] As Figure 5As shown, the upper end face of the eight square disc 10 has four groups of through steel wire rope holes 101, the upper end face of the eight square disc 10 has four groups of slides 11, the slide 11 is a T-shaped structure, the upper end face of the eight square disc 10 has four groups of raised platforms 12, each group of raised platforms 12 has a fixed ground penetrating radar 121, the four side faces of the eight square disc 10 have side lower plates 13, each group of side lower plates 13 has two groups of protruding plates 131, the two groups of side lower plates 13 have a rotating shaft one 132 between them, each group of side lower plates 13 has two groups of rotating shafts two 133 on both sides, and the upper end face of the eight square disc 10 has a lifting steel wire rope 14 at the center;

[0033] As shown in the figure, Figure 6 The upper end face of the extension plate 20 has a movable ground penetrating radar 21, the end of the extension plate 20 has an end plate 22, the two sides of the end plate 22 have two groups of rotating holes one 221, and the lower end face of the extension plate 20 has two groups of T-shaped structure sliding grooves 23.

[0034] As shown in the figure, Figure 7 One end of the connecting rod 24 has a rotating hole two 241, and the other end of the connecting rod 24 has a rotating shaft three 242.

[0035] As shown in the figure, Figure 8 The lower end of the rotating plate 30 has rotating holes three 31 on both sides, the upper end of the rotating plate 30 has two groups of intermediate rods 32, the upper end of the two groups of intermediate rods 32 has end blocks 33, the side face of the end block 33 has a friction part 331, the inside of the end block 33 has a hollow groove 332, the inside of the hollow groove 332 has two groups of rotating shafts four 333 on both sides, the two sides of the end block 33 have two groups of supporting arms 34, and each group of supporting arms 34 has a rotating shaft five 341.

[0036] The basic principle of the utility model:

[0037] As shown in the figure, Figure 1 When the device receives a detection instruction, the lifting steel wire rope 14 is unwound, and then the eight square disc 10 moves downward along the positioning steel wire rope 15 through the steel wire rope hole 101 to detect, at this time the extension plate 20 is retracted in the eight square disc 10, the fixed ground penetrating radar 121 and the movable ground penetrating radar 21 cooperate to perform circular survey line detection, and the three-dimensional laser scanner 41, the CCD camera 43 and the light source 44 work synchronously to perform three-dimensional scanning and image acquisition program detection;

[0038] When a defect is detected and not found, the electric pushing part 35 drives the rod part 36 to push out, and then the rotating plate 30 rotates around the rotating shaft one 132 to the friction part 331 of the end block 33 to contact the inner wall of the shaft lining to support and fix, and then the extension plate 20 with the movable ground penetrating radar 21 is slid outward along the slide 11 through the connecting rod 24, to reach the working state as shown in the figure, Figure 2 So that the movable ground penetrating radar 21 can detect at a closer distance.

[0039] When the approach detection is finished, the device returns to the state as shown in Figure 1 and then the wire rope 14 is pulled up to continue paying out, so that the eight-sided disc 10 probes downward;

[0040] When the bottom of the shaft is reached, the reverse program is started, the wire rope 14 is pulled up to start winding, so that the eight-sided disc 10 returns upward, and the movement stops when the top of the shaft is reached.

Claims

1. A supportable device for detecting internal defects in a vertical shaft, comprising: The octagonal plate (10), the extension plate (20), the rotating plate (30), and the lower platform (40) are characterized in that: the upper surface of the octagonal plate (10) has four sets of through steel wire rope holes (101), the upper surface of the octagonal plate (10) is provided with four sets of slides (11), the slides (11) are T-shaped structures, the upper surface of the octagonal plate (10) is provided with four sets of raising platforms (12), each raising platform (12) is provided with a fixed ground penetrating radar (121), the four sides of the octagonal plate (10) are provided with side lower plates (13), each side lower plate (13) is provided with two sets of protruding plates (131), there is a rotating shaft one (132) between the two sets of side lower plates (13), and there are two sets of rotating shaft two (133) on both sides of each set of side lower plates (13), there is a lifting steel wire rope (14) at the center of the upper surface of the octagonal plate (10), and the extension plate (20) passes through the slide groove (2 3) Installed on the slide (11), the upper surface of the extension plate (20) is provided with a mobile ground-penetrating radar (21), the end of the extension plate (20) is provided with an end plate (22), the two sides of the end plate (22) are provided with two sets of rotating holes (221), the lower surface of the extension plate (20) is provided with two sets of T-shaped sliding grooves (23), the extension plate (20) can slide along the slide (11), one end of the connecting rod (24) is provided with a rotating hole (241), the other end of the connecting rod (24) is provided with a rotating shaft (242), the lower end of the rotating plate (30) is provided with rotating holes (31) on both sides, the upper end of the rotating plate (30) is provided with two sets of intermediate rods (32), the upper end of the two sets of intermediate rods (32) is provided with an end block (33), the two sides of the end block (33) are provided with two sets of support arms (34), the two sides of the rotating plate (30) are provided with an electric push part (35) and a rod part (36).

2. The device for detecting internal defects in a vertical shaft according to claim 1, characterized in that: There are four sets of positioning wire ropes (15). The positioning wire ropes (15) are fixedly installed inside the well shaft. The octagonal disc (10) is installed on the positioning wire ropes (15) through the wire rope hole (101). There are multiple sets of batteries (16) installed on the octagonal disc (10).

3. The device for detecting internal defects in a vertical shaft according to claim 1, characterized in that: One end of the connecting rod (24) is installed in the first rotating hole (221) through the third rotating shaft (242), and the other end of the connecting rod (24) is installed on the fourth rotating shaft (333) through the second rotating hole (241).

4. The device for detecting internal defects in a vertical shaft according to claim 1, characterized in that: The rotating plate (30) is mounted on the rotating shaft (132) through the rotating hole three (31), the electric push part (35) is mounted on the rotating shaft two (133) through the rotating hole four (351), the support arm (34) is provided with the rotating shaft five (341), the rotating hole five (361) is mounted on the rotating shaft five (341), the bottom end of the electric push part (35) is provided with the rotating hole four (351), the electric push part (35) is installed with the rod part (36), and the end of the rod part (36) is provided with the rotating hole five (361).

5. The device for detecting internal defects in a vertical shaft according to claim 1, characterized in that: The end block (33) has a friction part (331) on its side and a slot (332) inside the end block (33). Two sets of rotating shafts (333) are provided on both sides of the slot (332).

6. The device for detecting internal defects in a vertical shaft according to claim 1, characterized in that: The lower end of the platform (40) is equipped with a three-dimensional laser scanner (41), and the lower end of the platform (40) is equipped with a lower plate (42), under which multiple CCD cameras (43) and light sources (44) are installed.