Shallow layer geophysical prospecting equipment for coal yard area

Abstract

The utility model discloses a coal yard area shallow layer geophysical prospecting equipment, including N-type frame, side plate and transient electromagnetic instrument subassembly, the side plate is fixedly connected to the side face of N-type frame both ends, the bottom of N-type frame both ends is fixedly connected with measuring plate. According to the coal yard area shallow layer geophysical prospecting equipment, when a coal seam is explored, an instantaneous strong magnetic field is generated through the transmitting antenna, when the instantaneous changing magnetic field penetrates through the underground, current is generated underground, then an induced electric field is generated, and electrical property information of an underground medium can be obtained by measuring the intensity and time change of the underground induced electric field; the transient electromagnetic instrument can be supported through the N-shaped frame, the side plate and the measuring plate, and the inclination position of the transmitting antenna on the surface of the measuring plate can be adjusted through the driving part, so that the inclination angle can be rapidly adjusted, convenience is brought to independent operation of workers, manpower is saved, and exploration efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of geological exploration, concretely to a coal yard area shallow geophysical prospecting equipment. BACKGROUND

[0002] Geophysical exploration, in short, is to detect geological conditions such as stratum lithology and geological structure by studying and observing the changes of various geophysical fields.

[0003] When shallow geophysical prospecting is carried out in the coal yard area, a transient electromagnetic instrument is used to detect the geological structure in the mine recovery working face, such as collapse, fault, igneous rock, coal seam thickness change, gas enrichment area and water inrush structure, which can reduce a large amount of drilling engineering quantity, reduce loss, increase safety factor, improve yield and benefit.

[0004] When the transient electromagnetic instrument is used, two workers hold the transmitting antenna, and one worker holds the transmitter to carry out exploration, and the exploration is carried out by adjusting the inclination angle of the transmitting antenna, which wastes manpower and the exploration efficiency is also low, so the above problems are further optimized. UTILITARIAN CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a coal yard area shallow geophysical prospecting equipment, which solves the problems in the above background.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a coal yard area shallow geophysical prospecting equipment, including N type frame, side plate and transient electromagnetic instrument assembly, the side plate is fixedly connected to the side surface of the both ends of N type frame, the bottom of the both ends of N type frame is fixedly connected with measuring plate, the transient electromagnetic instrument assembly is arranged on one side of measuring plate, the transient electromagnetic instrument assembly includes transmitting antenna arranged on one side of measuring plate, transmitter arranged on the surface of right side plate, and cable arranged on the top of transmitter and connected with transmitting antenna, the surface of both ends of transmitting antenna is equipped with driving part, and is used in cooperation with measuring plate, and is used for adjusting the use angle of transmitting antenna.

[0007] The utility model has the following beneficial effects:

[0008] The coal yard area shallow geophysical prospecting equipment, when the coal seam is explored, a transient strong magnetic field is generated through the transmitting antenna, when the transient changing magnetic field passes through the underground, an electric current is generated in the underground, and then an induced electric field is generated, through measuring the strength and time change of the underground induced electric field, the electrical information of the underground medium can be obtained, and the transmitter is received and viewed, so as to explore, the transient electromagnetic instrument can be supported through the N-shaped frame, the side plate and the measuring plate, the tilt position of the transmitting antenna on the surface of the measuring plate can be adjusted through the driving piece, so that the tilt angle is quickly adjusted, the staff is conveniently operated alone, manpower is saved, and the exploration efficiency is improved;

[0009] The coal yard area shallow geophysical prospecting equipment can adjust the use height of the N-shaped frame through the support, is fixed through the positioning column, and is conveniently adjusted and used according to the terrain, and the moving wheel at the bottom of the support can move the equipment, so that the equipment is conveniently and quickly moved for exploration. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0011] Figure 2 It is a part of the three-dimensional structure schematic view of the utility model;

[0012] Figure 3 It is an arc-shaped plate sectional structure schematic view of the utility model;

[0013] Figure 4 It is the utility model Figure 1 The enlarged structure schematic view of A in the middle.

[0014] 1, N-shaped frame; 2, side plate; 3, transient electromagnetic instrument assembly; 301, transmitting antenna; 302, transmitter; 303, cable; 4, measuring plate; 401, slide; 402, tooth layer; 403, scale value; 5, motor; 6, vertical rod; 7, horizontal rod; 8, gear cylinder; 9, support; 10, moving wheel; 11, positioning column; 12, support plate; 13, fixed ring; 14, inclined strut; 15, pointer. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] Please refer to Figures 1 to 4The utility model provides a shallow geophysical exploration equipment for a coal yard area; it includes an N-shaped frame 1, a side plate 2 and a transient electromagnetic instrument assembly 3, the side plate 2 is fixedly connected to the side surfaces at both ends of the N-shaped frame 1, and the bottom of both ends of the N-shaped frame 1 is fixedly connected with a measuring plate 4, and the transient electromagnetic instrument assembly 3 is arranged on one side of the measuring plate 4.

[0017] The transient electromagnetic instrument assembly 3 includes a transmitting antenna 301 arranged on one side of the measuring board 4, a transmitter 302 arranged on the surface of the right side panel 2, and a cable 303 arranged on the top of the transmitter 302 and connected to the transmitting antenna 301. The surfaces of both ends of the transmitting antenna 301 are provided with driving parts, which are used in conjunction with the measuring board 4 to adjust the operating angle of the transmitting antenna 301.

[0018] like Figure 1 As shown, the surfaces of both ends of the transmitting antenna 301 are connected to pillars (shown in the figure) through auxiliary plates, which can support the antenna part and facilitate operation and use.

[0019] The driving component includes a motor 5 fixedly connected to the surfaces of both ends of the transmitting antenna 301, a vertical rod 6 provided at the output end of the motor 5, a horizontal rod 7 meshing with the bottom end of the vertical rod 6, and a gear cylinder 8 fixedly connected to the right end of the horizontal rod 7.

[0020] The measuring plate 4 includes a slideway 401 on one side, a toothed layer 402 provided on the inner bottom wall of the slideway 401, and a scale value 403 provided on the other side of the measuring plate 4. The gear cylinder 8 extends into the interior of the slideway 401 and is meshed with the toothed layer 402. The top surfaces of both ends of the transmitting antenna 301 are fixedly connected to the pointer 15, and the other end of the pointer 15 extends to the scale value 403 and is used in conjunction with it.

[0021] like Figure 1 and Figure 3 As shown, the bottom end of the vertical rod 6 and the left end of the horizontal rod 7 are both provided with helical gears (shown in the figure), which are meshed with each other; starting the motor 5 (the motor is of existing well-known technology, and the specific structure is only cited here without further description) to rotate forward or reverse, can synchronously drive the vertical rod 6 and the horizontal rod 7 to rotate, and at the same time drive the gear cylinder 8 to rotate. Since the gear cylinder 8 is meshed with the toothed layer 402, when the gear cylinder 8 rotates, it can drive the transmitting antenna 301 to move along the slide 401 on one side of the measuring plate 4, thereby adjusting the inclination angle of the transmitting antenna 301, and using the pointer 15 and the scale value 403 to check, thereby improving the efficiency of coal seam exploration.

[0022] The bottom of the side plate 2 is inserted with a support 9, the bottom of both ends of the support 9 is provided with a moving wheel 10, the side surface of the side plate 2 is provided with a positioning column 11 for limiting the support 9, the surface of the right side plate 2 is fixedly connected with a support plate 12, the transmitter 302 is arranged on the upper surface of the support plate 12, the side surface of the support plate 12 is provided with a fixing ring 13 for limiting the transmitter 302, the lower surface of the support plate 12 is fixedly connected with an inclined support rod 14, and the bottom end of the inclined support rod 14 is fixedly connected with the surface of the side plate 2.

[0023] As shown in Figure 2 The moving wheel 10 at the bottom of the support 9 can quickly move the use position of the transient electromagnetic instrument assembly 3, so that the exploration efficiency of the coal seam is improved, the positioning column 11 can be rotated to abut against the support 9 at one end, the use is adjusted according to the terrain, the fixing ring 13 is rotated to fix the transmitter 302, and the transmitter 302 is conveniently disassembled and maintained.

[0024] The electrical components appearing in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer.

[0025] In the utility model, the working steps of the device are as follows:

[0026] In use, the equipment is moved to a part needing to be explored, when the inclination angle of the transmitting antenna 301 needs to be adjusted, the motor 5 is started to drive the gear cylinder 8 to rotate and move along the slide 401, so that the inclination angle of the transmitting antenna 301 is adjusted to explore.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shallow geophysical exploration device for coal field area, characterized by: The invention comprises an N-shaped frame (1), a side plate (2) and a transient electromagnetic instrument assembly (3), wherein the side plate (2) is fixedly connected to the side surfaces at both ends of the N-shaped frame (1), the bottoms of both ends of the N-shaped frame (1) are fixedly connected to a measuring plate (4), the transient electromagnetic instrument assembly (3) is arranged on one side of the measuring plate (4), the transient electromagnetic instrument assembly (3) comprises a transmitting antenna (301) arranged on one side of the measuring plate (4), a transmitter (302) arranged on the surface of the right side plate (2), and a cable (303) arranged on the top of the transmitter (302) and connected to the transmitting antenna (301), and the surfaces of both ends of the transmitting antenna (301) are provided with driving members, which cooperate with the measuring plate (4) to adjust the use angle of the transmitting antenna (301).

2. The shallow geophysical exploration equipment for coal field area according to claim 1, characterized in that: The driving member comprises a motor (5) fixedly connected to the surfaces of both ends of the transmitting antenna (301), a vertical rod (6) provided at the output end of the motor (5), a horizontal rod (7) meshingly connected to the bottom end of the vertical rod (6), and a gear cylinder (8) fixedly connected to the right end of the horizontal rod (7).

3. The shallow geophysical exploration equipment for coal field area according to claim 2, characterized in that: The measuring plate (4) comprises a slideway (401) opened on one side, a toothed layer (402) provided on the inner bottom wall of the slideway (401), and a scale value (403) provided on the other side of the measuring plate (4); the gear cylinder (8) extends into the interior of the slideway (401) and is meshedly connected with the toothed layer (402).

4. The shallow geophysical exploration equipment for coal field area according to claim 3, characterized in that: Pointers (15) are fixedly connected to the surfaces of the tops of both ends of the transmitting antenna (301), and the other end of the pointer (15) extends to the scale value (403) and is used in conjunction with it.

5. The shallow geophysical exploration equipment for coal field area according to claim 4, characterized in that: A support (9) is inserted into the bottom of the side plate (2), moving wheels (10) are provided at the bottom of both ends of the support (9), and positioning columns (11) for limiting the position of the support (9) are provided on the side of the side plate (2).

6. The shallow geophysical exploration equipment for coal field area according to claim 5, characterized in that: The surface of the right side panel (2) is fixedly connected to a support plate (12), the transmitter (302) is provided on the upper surface of the support plate (12), a fixing ring (13) for limiting the position of the transmitter (302) is provided on the side surface of the support plate (12), and the lower surface of the support plate (12) is fixedly connected to an oblique support rod (14), and the bottom end of the oblique support rod (14) is fixedly connected to the surface of the side panel (2).

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