A tunnel hole transient electromagnetic combined detection device

By designing a joint detection device for transient electromagnetic in the tunnel, the magnetic probe is deeply penetrated into the drilling hole by combining the adjustment component and the electric push rod, which solves the problems of shallow detection depth and serious interference in the tunnel environment by mine transient electromagnetic method, and achieves higher detection resolution and accuracy.

CN114527513BActive Publication Date: 2025-05-16HUAIBEI MINING CO LTD
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Patent Information

Application Number
CN202210117473.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-08
Publication Date
2025-05-16
Estimated Expiration
2042-02-08

AI Technical Summary

Technical Problem

In the tunnel environment, the mine transient electromagnetic method has problems such as small emission magnetic moment, shallow detection depth, strong shielding of metal support and anchor nets, severe interference signals, difficulty in directional detection and low sensitivity of high-resistance geological anomalies.

Method used

A joint electromagnetic detection device for transient electromagnetic induction on the tunnel is designed, including a base plate, a circular seat, an adjustment assembly, a rectangular column, an electric push rod, a U-frame and a magnetic probe. By combining the adjustment component and the electric push rod, the magnetic probe can penetrate deep into the drilling hole, overcome the interference of metal electromagnetic signals in the tunnel, and improve the detection resolution and accuracy.

Benefits of technology

This device can effectively overcome metal electromagnetic signal interference in the tunnel, improve the detection resolution and accuracy, improve the difficulty of directional detection and the sensitivity of high-resistance geological anomalies.

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Abstract

The present invention provides a tunnel transient electromagnetic combined detection device, which belongs to the field of detection technology. It includes a bottom plate, a circular seat is installed on the bottom plate, a first adjustment component is installed on the circular seat, a first rectangular column is installed on the first adjustment component, a second rectangular column is slidably installed in the first rectangular column, two symmetrical first electric push rods are installed on the first rectangular column, one end of the first electric push rod is fixedly installed on the second rectangular column, a first U-shaped frame is fixedly installed on the upper end of the second rectangular column, a second U-shaped frame is hinged on the first U-shaped frame, and a fixed block is installed on one side of the first U-shaped frame. The rotating component is conducive to adjusting the position of the first adjustment rod moving in the second adjustment rod, and the magnetic probe is deeply inserted into the borehole. The protective tube is conducive to avoiding damage to the magnetic probe, and the second electric push rod is conducive to extending the magnetic probe out of the protective tube for use.
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Description

Technical Field

[0001] The present application relates to the field of detection technology, and in particular to a tunnel-hole transient electromagnetic combined detection device. Background Art

[0002] The practical application of mine transient electromagnetic method is the most extensive, but it is limited to the multi-turn small-loop magnetic source mine transient electromagnetic method. Limited by the underground tunnel environment, the multi-turn small-loop magnetic source mine transient electromagnetic method has the problems of small emission magnetic moment, shallow detection depth, strong shielding effect of transmission signals such as tunnel metal support and anchor net, serious interference signals, difficulty in directional detection and low sensitivity to high-resistance geological anomalies. Summary of the invention

[0003] In order to make up for the above shortcomings, the present application provides a tunnel transient electromagnetic combined detection device, which aims to improve the problems of strong shielding effect of transmitted signals, serious interference signals, difficult directional detection and low sensitivity to high-resistance geological anomalies.

[0004] The embodiment of the present application provides a tunnel transient electromagnetic combined detection device, comprising a bottom plate, a circular seat is installed on the bottom plate, a first adjustment component is installed on the circular seat, a first rectangular column is installed on the first adjustment component, a second rectangular column is slidably installed in the first rectangular column, two symmetrical first electric push rods are installed on the first rectangular column, one end of the first electric push rod is fixedly installed on the second rectangular column, a first U-shaped frame is fixedly installed on the upper end of the second rectangular column, a second U-shaped frame is hinged on the first U-shaped frame, a fixed block is installed on one side of the first U-shaped frame, a second adjustment component is installed on the fixed block, a toothed disc is connected to one side of the second U-shaped frame, and the second adjustment component is meshed with the toothed disc;

[0005] A first adjusting rod is installed on the second U-shaped frame, a rotating assembly is installed in the first adjusting rod, a second adjusting rod is threadedly connected to the rotating assembly, the second adjusting rod is slidably installed in the first adjusting rod, a protective tube is fixedly installed at the end of the second adjusting rod, a second electric push rod is installed in the protective tube, and a magnetic probe is installed on the second electric push rod.

[0006] In the above implementation process, the magnetic probe is sent into the exploration hole to receive the secondary field signal, which can approach the detection target and overcome the interference of metal electromagnetic signals in the tunnel, thereby improving the detection resolution. The combined mine transient electromagnetic method and tunnel transient electromagnetic method detection can improve the detection accuracy. The rotation angle of the first rectangular column is adjusted by the first adjusting component, and the height of the second rectangular column in the first rectangular column is conveniently adjusted by the first electric push rod. The second adjusting component and the gear plate are hinged to each other, which is conducive to adjusting the rotation angle of the second U-shaped frame in the first U-shaped frame. The rotating component is conducive to adjusting the position of the first adjusting rod in the second adjusting rod. The magnetic probe is inserted into the borehole, and the protective tube is used to avoid damage to the magnetic probe. The second electric push rod is used to extend the magnetic probe out of the protective tube for use.

[0007] In a specific embodiment, the first adjustment component includes a first servo motor and a turntable, the turntable is rotatably mounted in the circular seat via a bearing, and the first servo motor is fixedly mounted on the base plate and is transmission-connected to the turntable via a coupling.

[0008] In the above implementation process, the first servo motor drives the turntable to rotate through the coupling, so as to facilitate the adjustment of the rotation angle of the first rectangular column.

[0009] In a specific implementation manner, a limiting groove is provided on the first rectangular column, a limiting block is installed on the second rectangular column, and the limiting block is slidably installed in the limiting groove.

[0010] In the above implementation process, the limiting block is slidably installed in the limiting groove, which is helpful to limit the position of the second rectangular column moving in the first rectangular column.

[0011] In a specific embodiment, the second adjustment component includes a second servo motor and a gear, the second servo motor is fixedly mounted on the fixed block, and the gear is fixedly mounted on the output shaft of the second servo motor and meshes with the gear disc.

[0012] In the above implementation process, the second servo motor drives the toothed disc meshing with the gear to rotate, so as to facilitate the adjustment of the rotation angle of the second U-shaped frame on the first U-shaped frame.

[0013] In a specific embodiment, the rotating assembly includes a third servo motor and a screw rod. The third servo motor is fixedly mounted on the second U-shaped frame and is transmission-connected to the screw rod through a bearing. The screw rod is rotatably mounted in the first adjusting rod through a bearing and is threadedly connected to the second adjusting rod.

[0014] In the above implementation process, the third servo motor is connected to the screw through the bearing, driving the screw to rotate, thereby adjusting the moving length of the second adjusting rod in the first adjusting rod, making it easier for the magnetic probe to be inserted into the exploration hole.

[0015] In a specific embodiment, a dust removal sleeve is installed on the end surface of the protective tube.

[0016] In the above implementation process, the dust removal cover is helpful to clean the magnetic probe and improve the detection accuracy.

[0017] In a specific implementation manner, a guide groove is provided on the first adjusting rod, and a guide block is installed on the second adjusting rod, and the guide block is slidably installed in the guide groove.

[0018] In the above implementation process, the guide block is slidably installed in the guide groove, which is beneficial to improving the stability of the second adjusting rod moving on the first adjusting rod.

[0019] In a specific embodiment, a buffer base is installed on the lower surface of the bottom plate, and a main shaft is installed on the buffer base.

[0020] In the above implementation process, the buffer base facilitates the fixation of the main shaft and improves the anti-seismic buffering performance of the main shaft.

[0021] In a specific embodiment, moving wheels are installed on both ends of the main shaft, and tracks are mounted on the moving wheels.

[0022] In the above implementation process, the crawler installed on the moving wheel is helpful to improve the anti-skid performance of the device.

[0023] In a specific embodiment, a storage box is installed on the upper surface of the bottom plate, and a storage battery is installed in the storage box.

[0024] In the above implementation process, the placement box is used to facilitate the storage of equipment, and the storage battery is used to provide power to the device to ensure normal operation.

[0025] Beneficial effects:

[0026] In the tunnel and hole transient electromagnetic combined detection device, a magnetic probe is sent into the exploration hole to receive a secondary field signal, so that the detection target can be approached and the interference of metal electromagnetic signals in the tunnel can be overcome, thereby improving the detection resolution. The combined mine transient electromagnetic method and tunnel and hole transient electromagnetic method detection can improve the detection accuracy. The rotation angle of the first rectangular column is adjusted by the first adjustment component, and the height of the second rectangular column moving in the first rectangular column is conveniently adjusted by the first electric push rod. The second adjustment component is hinged with the gear plate, which is conducive to adjusting the rotation angle of the second U-shaped frame in the first U-shaped frame. The rotating component is conducive to adjusting the position of the first adjustment rod in the second adjustment rod. The magnetic probe is deeply inserted into the borehole, and the protective tube is conducive to avoiding damage to the magnetic probe. The second electric push rod is conducive to extending the magnetic probe out of the protective tube for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is one of the structural schematic diagrams provided in the implementation mode of this application;

[0029] Figure 2 This is the second structural diagram provided by the implementation method of this application;

[0030] Figure 3 A schematic cross-sectional view of an embodiment of the present application;

[0031] Figure 4 for Figure 3 A partial enlarged view of point A in the middle.

[0032] In the figure: 1, bottom plate; 2, circular seat; 3, first adjustment component; 31, first servo motor; 32, turntable; 4, first rectangular column; 5, second rectangular column; 6, first electric push rod; 7, first U-shaped frame; 8, second U-shaped frame; 9, fixed block; 10, second adjustment component; 101, second servo motor; 102, gear; 11, gear plate; 12, first adjustment rod; 13, rotating component; 131, third servo motor; 132, screw rod; 14, second adjustment rod; 15, protective tube; 16, second electric push rod; 17, magnetic probe; 18, limit groove; 19, limit block; 20, dust cover; 21, guide groove; 22, guide block; 23, placement box; 24, buffer base; 25, battery; 26, spindle; 27, moving wheel; 28, crawler track. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0034] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] See also Figure 1-4 The present application provides a tunnel transient electromagnetic combined detection device, including a base plate 1, a circular seat 2 is installed on the base plate 1, a first adjustment component 3 is installed on the circular seat 2, the first adjustment component 3 includes a first servo motor 31 and a turntable 32, the turntable 32 is rotatably installed in the circular seat 2 through a bearing, the first servo motor 31 is fixedly installed on the base plate 1, and is connected to the turntable 32 through a coupling, the first servo motor 31 drives the turntable 32 to rotate through the coupling, and the rotation angle of the first rectangular column 4 is conveniently adjusted, the first rectangular column 4 is installed on the first adjustment component 3, a second rectangular column 5 is slidably installed in the first rectangular column 4, two symmetrical first electric push rods 6 are installed on the first rectangular column 4, and one end of the first electric push rod 6 is fixedly installed on the second On the rectangular column 5, a first U-shaped frame 7 is fixedly installed on the upper end of the second rectangular column 5, a second U-shaped frame 8 is hinged on the first U-shaped frame 7, a fixed block 9 is installed on one side of the first U-shaped frame 7, a second adjustment component 10 is installed on the fixed block 9, and the second adjustment component 10 includes a second servo motor 101 and a gear 102, the second servo motor 101 is fixedly installed on the fixed block 9, the gear is fixedly installed on the output shaft of the second servo motor 101, and is meshed with a toothed disc 11, the toothed disc 11 meshed with the gear 102 is driven to rotate by the second servo motor 101, so as to facilitate the adjustment of the rotation angle of the second U-shaped frame 8 on the first U-shaped frame 7, a toothed disc 11 is connected to one side of the second U-shaped frame 8, and the second adjustment component 10 is meshed with the toothed disc 11;

[0042] A first adjusting rod 12 is installed on the second U-shaped frame 8, and a rotating assembly 13 is installed in the first adjusting rod 12. The rotating assembly 13 includes a third servo motor 131 and a screw rod 132. The third servo motor 131 is fixedly installed on the second U-shaped frame 8 and is transmission-connected to the screw rod 132 through a bearing. The screw rod 132 is rotationally installed in the first adjusting rod 12 through a bearing and is threadedly connected to the second adjusting rod 14. The third servo motor 131 is transmission-connected to the screw rod 132 through a bearing, which drives the screw rod 132 to rotate, thereby adjusting the moving length of the second adjusting rod 14 in the first adjusting rod 12, so as to facilitate the magnetic probe 17 to be sent into the exploration hole. The second adjusting rod 14 is threadedly connected to the rotating assembly 13, and the second adjusting rod 14 is slidably installed in the first adjusting rod 12. A protective tube 15 is fixedly installed at the end of the second adjusting rod 14, and a second electric push rod 16 is installed in the protective tube 15. The second electric push rod 16 A magnetic probe 17 is installed on it. By sending the magnetic probe 17 into the exploration hole to receive the secondary field signal, the detection target can be approached and the interference of metal electromagnetic signals in the tunnel can be overcome, thereby improving the detection resolution. The combined mine transient electromagnetic method and tunnel transient electromagnetic method detection can improve the detection accuracy. The rotation angle of the first rectangular column 4 is adjusted by the first adjusting component 3, and the height of the second rectangular column 5 moving in the first rectangular column 4 is conveniently adjusted by the first electric push rod 6. The second adjusting component 10 and the toothed disc 11 are hinged to each other, which is conducive to adjusting the rotation angle of the second U-shaped frame 8 in the first U-shaped frame 7. The rotating component 13 is conducive to adjusting the moving position of the first adjusting rod 12 in the second adjusting rod 14. The magnetic probe 17 is deeply inserted into the borehole. The protective tube 15 is conducive to avoiding damage to the magnetic probe 17. The second electric push rod 16 is conducive to extending the magnetic probe 17 out of the protective tube 15 for use.

[0043] In the present application, a limiting groove 18 is opened on the first rectangular column 4, and a limiting block 19 is installed on the second rectangular column 5. The limiting block 19 is slidably installed in the limiting groove 18. By sliding the limiting block 19 in the limiting groove 18, it is helpful to limit the moving position of the second rectangular column 5 in the first rectangular column 4.

[0044] In this embodiment, a dust removal sleeve 20 is installed on the end surface of the protective tube 15, and the dust removal sleeve 20 is helpful for cleaning the magnetic probe 17 and improving the detection accuracy.

[0045] In a specific implementation scheme, a guide groove 21 is opened on the first adjusting rod 12, and a guide block 22 is installed on the second adjusting rod 14. The guide block 22 is slidably installed in the guide groove 21. By sliding the guide block 22 in the guide groove 21, it is beneficial to improve the stability of the second adjusting rod 14 moving on the first adjusting rod 12.

[0046] In the present application, a buffer base 24 is installed on the lower surface of the base plate 1, and a main shaft 26 is installed on the buffer base 24. The buffer base 24 facilitates the fixation of the main shaft 26 and improves the anti-seismic buffering performance of the main shaft 26.

[0047] In this embodiment, moving wheels 27 are installed on both ends of the main shaft 26, and tracks 28 are mounted on the moving wheels 27. The tracks 28 installed on the moving wheels 27 are helpful to improve the anti-skid performance of the device.

[0048] In the specific setting, a storage box 23 is installed on the upper surface of the base plate 1, and a battery 25 is installed in the storage box 23. The storage box 23 is convenient for storing equipment, and the battery 25 is helpful for providing power to the device to ensure normal operation.

[0049] The working principle of the tunnel hole transient electromagnetic combined detection device is as follows: when in use, the rotation angle of the first rectangular column 4 is adjusted by the first adjusting component 3, and the moving height of the second rectangular column 5 in the first rectangular column 4 is adjusted by the first electric push rod 6. According to the inclination of the exploration hole, the second adjusting component 10 and the toothed plate 11 are hinged with each other, which is conducive to adjusting the rotation angle of the second U-shaped frame 8 in the first U-shaped frame 7. The rotating component 13 is conducive to adjusting the moving position of the first adjusting rod 12 in the second adjusting rod 14, and the protective tube 15 is deepened into the borehole. The second electric push rod 16 is conducive to extending the magnetic probe 17 out of the protective tube 15 for use.

[0050] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0051] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A tunnel and hole transient electromagnetic combined detection device, characterized in that: The invention comprises a base plate (1), a circular seat (2) being mounted on the base plate (1), a first adjustment component (3) being mounted on the circular seat (2), a first rectangular column (4) being mounted on the first adjustment component (3), a second rectangular column (5) being slidably mounted in the first rectangular column (4), two symmetrical first electric push rods (6) being mounted on the first rectangular column (4), one end of the first electric push rod (6) being fixedly mounted on the second rectangular column (5), a first U-shaped frame (7) being fixedly mounted on the upper end of the second rectangular column (5), a second U-shaped frame (8) being hingedly connected to the first U-shaped frame (7), a fixing block (9) being mounted on one side of the first U-shaped frame (7), a second adjustment component (10) being mounted on the fixing block (9), a toothed disc (11) being connected to one side of the second U-shaped frame (8), and the second adjustment component (10) and the toothed disc (11) being meshed with each other; A first adjusting rod (12) is mounted on the second U-shaped frame (8), a rotating assembly (13) is mounted inside the first adjusting rod (12), a second adjusting rod (14) is threadedly connected to the rotating assembly (13), the second adjusting rod (14) is slidably mounted inside the first adjusting rod (12), a protective tube (15) is fixedly mounted at the end of the second adjusting rod (14), a second electric push rod (16) is mounted inside the protective tube (15), and a magnetic probe (17) is mounted on the second electric push rod (16); The first adjustment component (3) comprises a first servo motor (31) and a rotating disk (32); the rotating disk (32) is rotatably mounted in the circular seat (2) via a bearing; the first servo motor (31) is fixedly mounted on the base plate (1) and is transmission-connected to the rotating disk (32) via a coupling; A limiting groove (18) is provided on the first rectangular column (4), a limiting block (19) is installed on the second rectangular column (5), and the limiting block (19) is slidably installed in the limiting groove (18); The second adjustment component (10) comprises a second servo motor (101) and a gear (102), wherein the second servo motor (101) is fixedly mounted on the fixed block (9), and the gear is fixedly mounted on the output shaft of the second servo motor (101) and meshes with the toothed disc (11); The rotating assembly (13) comprises a third servo motor (131) and a screw rod (132); the third servo motor (131) is fixedly mounted on the second U-shaped frame (8) and is transmission-connected to the screw rod (132) via a bearing; the screw rod (132) is rotationally mounted in the first adjusting rod (12) via a bearing and is threadedly connected to the second adjusting rod (14); The first adjusting rod (12) is provided with a guide groove (21), and the second adjusting rod (14) is provided with a guide block (22), wherein the guide block (22) is slidably mounted in the guide groove (21).

2. The tunnel hole transient electromagnetic combined detection device according to claim 1 is characterized in that: A dust removal sleeve (20) is installed on the end surface of the protective cylinder (15).

3. The tunnel-hole transient electromagnetic combined detection device according to claim 1 is characterized in that: A buffer base (24) is installed on the lower surface of the bottom plate (1), and a main shaft (26) is installed on the buffer base (24).

4. The tunnel hole transient electromagnetic combined detection device according to claim 3 is characterized in that: Moving wheels (27) are mounted on both ends of the main shaft (26), and crawler tracks (28) are mounted on the moving wheels (27).

5. The tunnel-hole transient electromagnetic combined detection device according to claim 1 is characterized in that: A storage box (23) is installed on the upper surface of the bottom plate (1), and a storage battery (25) is installed in the storage box (23).

Citation Information

Patent Citations

  • Method and device for acquiring data in cable transient electromagnetic exploring tube drill hole

    CN112431586A

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    CN113093292A