Anti-interference device for electromagnetic method exploration

Abstract

The utility model discloses an anti-interference device for electromagnetic exploration, which comprises a signal line, an inner rubber layer is arranged outside the signal line, an aluminum foil layer is arranged outside the inner rubber layer, a magnetic powder filling layer is arranged between the outer part of the inner rubber layer and the inner wall of the aluminum foil layer, and an outer rubber layer is arranged outside the aluminum foil layer. The outer portion of the outer rubber layer is slidably connected with fixing blocks which are evenly distributed. The device further comprises a fixing block distance adjusting mechanism and a fixing mechanism. The fixed block spacing adjusting mechanisms are respectively arranged in the fixed blocks; the fixing mechanism comprises T-shaped sliding grooves, trapezoidal sliding blocks, rolling wheels, U-shaped blocks and rivets, and the T-shaped sliding grooves are formed in the front end and the rear end of the interior of the fixing block respectively. According to the anti-interference device for electromagnetic method exploration, during electromagnetic method exploration, the signal line is fixed, the signal line is prevented from shaking due to the influence of external wind power or other factors, and the anti-interference effect is good. And meanwhile, the signal is more stable by adjusting the distance between the fixed points.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic prospecting, specifically to an anti-interference device for electromagnetic prospecting. BACKGROUND

[0002] Electromagnetic prospecting is an important geophysical prospecting method, and electromagnetic prospecting is based on electromagnetic induction principle and electrical difference of geological bodies such as rocks and ores to carry out work, when an alternating electromagnetic field is emitted to the underground or the space around the target body, the geological bodies with different electrical properties in the underground will generate induced current under the action of the primary field, and the induced current will form a secondary field, and the distribution characteristics of the secondary field are closely related to the electrical parameters of the underground geological bodies.

[0003] The existing anti-interference device for electromagnetic prospecting solves the problem that the signal line is interfered by external filtering, electromagnetic and other factors due to the long laying of the signal line, resulting in unstable signal transmission during the existing electrical prospecting, and the anti-interference device for electromagnetic prospecting comprises a signal line, the outer circumferential surface of the signal line is sleeved and wrapped with an inner rubber layer, a cavity occupying one third of the thickness is formed in the middle part of the inner rubber layer, and the cavity is filled with magnetic powder, the outer circumferential surface of the signal line is sleeved and wrapped with an inner rubber layer, a cavity occupying one third of the thickness is formed in the middle part of the inner rubber layer, and the cavity is filled with magnetic powder, and the magnetic powder plays a filtering and noise reduction role during the application of electromagnetic prospecting, thereby improving the stability of the signal transmission of the signal line during the electromagnetic prospecting of the signal.

[0004] The existing anti-interference device for electromagnetic prospecting has the following problems: during electromagnetic prospecting, the signal line is laid on the ground without stable operation, resulting in shaking of the signal line due to external wind or other factors, and causing unstable factors of the signal line, therefore, the anti-interference device for electromagnetic prospecting is proposed. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides an anti-interference device for electromagnetic prospecting, which can fix the signal line during electromagnetic prospecting, prevent the signal line from shaking due to external wind or other factors, adjust the distance between the fixing points, make the signal more stable, and effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides following technical scheme: an anti -interference device for electromagnetic prospecting, including signal line, the outside of signal line is equipped with inner rubber layer, the outside of inner rubber layer is equipped with aluminium foil layer, the inner wall between the outside of inner rubber layer and aluminium foil layer is magnetic powder filling layer, the outside of aluminium foil layer is equipped with outer rubber layer, the outside of outer rubber layer is connected with the fixed block of uniform distribution of sliding, still include fixed block spacing adjustment mechanism and fixed mechanism,

[0007] Fixed block spacing adjustment mechanism: it is arranged in the inside of fixed block respectively,

[0008] Fixed mechanism: it includes T type sliding slot, trapezoidal sliding block, gyro wheel, U type block and rivet, the inside of T type sliding slot is opened with T type sliding slot in the front and back two ends of fixed block respectively, the upper side of T type sliding slot is slidably connected with trapezoidal sliding block respectively, the front and back inner wall of T type sliding slot is slidably connected with U type block respectively, the upper end of U type block is rotatably connected with gyro wheel respectively, the outer surface of trapezoidal sliding block is slidably connected with the outer surface of vertically adjacent gyro wheel respectively, the lower end of U type block is fixedly connected with rivet respectively, when electromagnetic prospecting, by fixing signal line, prevent signal line from being affected by outside wind force or other factors and from shaking, simultaneously by adjusting the distance between fixed points, signal is more stable.

[0009] Further, the fixed mechanism further includes spring two, the outer part of the rivet between the lower end of the U-shaped block and the bottom wall of the vertically adjacent T-shaped sliding slot is respectively sleeved with spring two, facilitating rebound.

[0010] Further, the fixed mechanism further includes a lead screw and an internally threaded cylinder, the lead screw is rotatably connected to the upper side of the left and right inner walls of the T-shaped sliding slot, the middle part of the lead screw is threadedly connected with the internally threaded cylinder, the outer wall of the internally threaded cylinder is fixedly connected with the upper end of the vertically adjacent trapezoidal sliding block, facilitating sliding.

[0011] Further, the fixed mechanism further includes a knob, the left end of the lead screw is fixedly connected with the knob, facilitating adjustment.

[0012] Further, the fixed block spacing adjustment mechanism includes an arc-shaped pressing piece, the arc-shaped pressing piece is slidably connected between the front and back inner walls of the fixed block, the inner arc surface of the arc-shaped pressing piece is in close contact with the outer surface of the outer rubber layer, facilitating adjustment.

[0013] Further, the fixed block spacing adjustment mechanism further includes a telescopic rod and a spring one, the upper end of the arc-shaped pressing piece and the top wall of the vertically adjacent fixed block are fixedly connected with front and back symmetrical telescopic rods respectively, the outer part of the telescopic rod is sleeved with the spring one, facilitating rebound.

[0014] Further, the fixed block spacing adjustment mechanism further comprises a pull rod and a pull ring, the upper end of the arc-shaped pressing plate is fixedly connected with the pull rod, and the upper end of the pull rod is rotatably connected with the pull ring, so that adjustment is facilitated.

[0015] Compared with the prior art, the anti-interference device for electromagnetic exploration has the following advantages:

[0016] 1. By pulling the pull ring to drive the pull rod and the arc-shaped pressing plate to move upwards, the inner arc surface of the arc-shaped pressing plate is separated from the outer surface of the outer rubber layer, then the distance between the two fixed blocks is adjusted, and then the pull ring is loosened, the arc-shaped pressing plate will be fixed to the outer rubber layer under the rebound of the telescopic rod and the spring one, thereby fixing the fixed block, and in electromagnetic exploration, the distance between the fixed points is adjusted to make the signal more stable.

[0017] 2. The knob drives the inner threaded cylinder of the screw rod and the screw thread to drive the inclined surface of the trapezoidal sliding block to contact the roller, and the trapezoidal sliding block drives the rivet to be inserted into the inside of the fixed block through the roller and the U-shaped block, and when the exploration is completed, the rivet will be retracted in the inside of the T-shaped sliding groove under the rebound of the U-shaped block and the spring two, and in electromagnetic exploration, the signal line is fixed to prevent the signal line from shaking due to external wind force or other factors. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a sectional view structural schematic view of the utility model;

[0020] Figure 3 It is a sectional view structural schematic view of the left side of the utility model;

[0021] Figure 4 It is an enlarged structural schematic view of the A place of the utility model.

[0022] In the figure: 1 signal line, 2 inner rubber layer, 3 magnetic powder filling layer, 4 aluminum foil layer, 5 outer rubber layer, 6 fixed block, 7 fixed block spacing adjustment mechanism, 71 telescopic rod, 72 spring one, 73 arc-shaped pressing plate, 74 pull rod, 75 pull ring, 8 fixed mechanism, 81 T-shaped sliding groove, 82 screw rod, 83 inner threaded cylinder, 84 trapezoidal sliding block, 85 roller, 86 U-shaped block, 87 spring two, 88 rivet, 89 knob. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The embodiment provides a technical scheme: an anti-interference device for electromagnetic prospecting, which comprises a signal line 1, an inner rubber layer 2 arranged outside the signal line 1, an aluminum foil layer 4 arranged outside the inner rubber layer 2, a magnetic powder filling layer 3 arranged between the outer wall of the inner rubber layer 2 and the inner wall of the aluminum foil layer 4, and the magnetic powder filling layer 3 being filled with magnetic powder, so that the magnetic powder plays a filtering and noise reduction role, thereby improving the stability of the signal line when transmitting electromagnetic prospecting signals, an outer rubber layer 5 arranged outside the aluminum foil layer 4, and uniformly distributed fixing blocks 6 slidingly connected to the outer surface of the outer rubber layer 5, and further comprising a fixing block spacing adjusting mechanism 7 and a fixing mechanism 8.

[0025] The fixing block spacing adjusting mechanism 7 is arranged inside the fixing block 6, and comprises an arc-shaped pressing piece 73, the arc-shaped pressing piece 73 being slidingly connected between the front and rear inner walls of the fixing block 6, the inner arc surfaces of the arc-shaped pressing pieces 73 being in close contact with the outer surface of the outer rubber layer 5, the fixing block spacing adjusting mechanism 7 further comprising a telescopic rod 71 and a spring 72, the front and rear symmetrical telescopic rods 71 being fixedly connected between the top wall of the vertically adjacent fixing block 6 and the upper end of the arc-shaped pressing piece 73, the outer part of the telescopic rod 71 being sleeved with the spring 72, the fixing block spacing adjusting mechanism 7 further comprising a pull rod 74 and a pull ring 75, the pull rod 74 being fixedly connected to the middle part of the upper end of the arc-shaped pressing piece 73, and the pull ring 75 being rotatably connected to the upper end of the pull rod 74, in the electromagnetic prospecting, the fixing block 6 is first sleeved outside the outer rubber layer 5, then the pull rod 74 is pulled, the pull rod 74 drives the pull rod 74 to move upward, and then drives the arc-shaped pressing piece 73 to move upward, so that the inner arc surface of the arc-shaped pressing piece 73 is separated from the outer surface of the outer rubber layer 5, then the fixing block 6 is slid, the distance between the two fixing blocks 6 is adjusted, after the position is adjusted, the pull ring 75 is loosened, the inner arc surface of the arc-shaped pressing piece 73 is fixed to the outer rubber layer 5 under the rebound of the telescopic rod 71 and the spring 72, and then the fixing block 6 is fixed.

[0026] The fixing mechanism 8 comprises a T-shaped sliding groove 81, a trapezoidal sliding block 84, a roller 85, a U-shaped block 86 and a rivet 88, the inside of the fixing block 6 is provided with the T-shaped sliding groove 81 at the front and back ends, respectively, the inside of the T-shaped sliding groove 81 is slidably connected with the trapezoidal sliding block 84 at the upper side, respectively, the front and back inner walls of the T-shaped sliding groove 81 are slidably connected with the U-shaped block 86, respectively, the upper end of the U-shaped block 86 is rotatably connected with the roller 85, respectively, the outer surface of the trapezoidal sliding block 84 is slidably connected with the outer surface of the vertically adjacent roller 85, respectively, the lower end of the U-shaped block 86 is fixedly connected with the rivet 88, respectively, the fixing mechanism 8 further comprises a spring 87, the outer part of the rivet 88 between the lower end of the U-shaped block 86 and the bottom wall of the vertically adjacent T-shaped sliding groove 81 is sleeved with the spring 87, respectively, the fixing mechanism 8 further comprises a lead screw 82 and an internally threaded cylinder 83, the lead screw 82 is rotatably connected to the upper side of the left and right inner walls of the T-shaped sliding groove 81, respectively, the middle part of the lead screw 82 is threadedly connected with the internally threaded cylinder 83, respectively, the outer wall of the internally threaded cylinder 83 is fixedly connected with the upper end of the vertically adjacent trapezoidal sliding block 84, the fixing mechanism 8 further comprises a knob 89, the left end of the lead screw 82 is fixedly connected with the knob 89, respectively, then the rivet 88 is inserted into the ground by rotating the knob 89, then when the exploration is finished, the knob 89 is counterclockwise rotated, the rotation of the knob 89 moves the trapezoidal sliding block 84 to the left, thereby the surface of the trapezoidal sliding block 84 is separated from the extrusion of the roller 85, and then the rivet 88 is retracted in the inside of the T-shaped sliding groove 81 under the rebounding action of the U-shaped block 86 and the spring 87.

[0027] The working principle of the anti-interference device for electromagnetic exploration is as follows: during electromagnetic exploration, first, the fixed block 6 is sleeved outside the outer rubber layer 5, then the pull rod 74 is pulled, the pull rod 74 drives the pull rod 74 to move upwards, and then the arc-shaped pressing piece 73 is driven to move upwards, so that the inner arc surface of the arc-shaped pressing piece 73 is separated from the outer surface of the outer rubber layer 5, then the fixed block 6 is slid, the distance between the two fixed blocks 6 is adjusted, after the required position is adjusted, the pull ring 75 is loosened, the inner arc surface of the arc-shaped pressing piece 73 is fixed to the outer rubber layer 5 under the rebound of the telescopic rod 71 and the spring one 72, and then the fixed block 6 is fixed, then the knob 89 is rotated, the rotation of the knob 89 drives the screw rod 82 to rotate, the rotation of the screw rod 82 drives the trapezoidal sliding block 84 to move rightwards through the inner thread cylinder 83 of the screw thread, so that the inclined surface of the trapezoidal sliding block 84 is in contact with the roller 85, when the lowest end of the trapezoidal sliding block 84 is in contact with the outer surface of the roller 85, the trapezoidal sliding block 84 drives the rivet 88 to extend downwards from the inside of the fixed block 6 through the roller 85 and the U-shaped block 86, then the rivet 88 is inserted into the ground, then when the exploration is finished, the knob 89 is rotated counterclockwise, the rotation of the knob 89 drives the trapezoidal sliding block 84 to move leftwards, so that the surface of the trapezoidal sliding block 84 is separated from the extrusion of the roller 85, and then the rivet 88 is retracted in the inside of the T-shaped sliding groove 81 under the rebound of the U-shaped block 86 and the spring two 87.

[0028] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. An anti-interference device for electromagnetic exploration, comprising a signal line (1), wherein the signal line (1) is provided with an inner rubber layer (2) on the outside, an aluminum foil layer (4) is provided on the outside of the inner rubber layer (2), a magnetic powder filling layer (3) is located between the outside of the inner rubber layer (2) and the inner wall of the aluminum foil layer (4), an outer rubber layer (5) is provided on the outside of the aluminum foil layer (4), and uniformly distributed fixing blocks (6) are slidably connected to the outside of the outer rubber layer (5), characterized in that: It also includes fixed block spacing adjustment mechanism (7) and fixed mechanism (8); The fixed block spacing adjustment mechanism (7) is arranged in the fixed block (6) respectively; The fixed mechanism (8) includes T-shaped sliding groove (81), trapezoidal sliding block (84), roller (85), U-shaped block (86) and rivet (88), the inside of the fixed block (6) is provided with T-shaped sliding groove (81) at the front and back ends respectively, the inside of the T-shaped sliding groove (81) is slidably connected with trapezoidal sliding block (84) at the upper side respectively, the U-shaped block (86) is slidably connected between the front and back inner walls of the T-shaped sliding groove (81), the upper end of the U-shaped block (86) is rotatably connected with the roller (85), the outer surface of the trapezoidal sliding block (84) is slidably connected with the outer surface of the vertically adjacent roller (85), and the lower end of the U-shaped block (86) is fixedly connected with the rivet (88).

2. The anti-interference device for electromagnetic prospecting according to claim 1, characterized in that: The fixed mechanism (8) further comprises spring two (87), and the outer part of the rivet (88) between the lower end of the U-shaped block (86) and the bottom wall of the vertically adjacent T-shaped sliding groove (81) is sleeved with spring two (87).

3. The anti-jamming device for electromagnetic prospecting according to claim 2, characterized in that: The fixed mechanism (8) further comprises a lead screw (82) and an internally threaded cylinder (83), the lead screw (82) is rotatably connected to the upper side of the left and right inner walls of the T-shaped sliding groove (81), the middle part of the lead screw (82) is threadedly connected with the internally threaded cylinder (83), and the outer wall of the internally threaded cylinder (83) is fixedly connected with the upper end of the vertically adjacent trapezoidal sliding block (84).

4. The anti-interference device for electromagnetic prospecting according to claim 3, characterized in that: The fixed mechanism (8) further comprises a knob (89), and the left end of the lead screw (82) is fixedly connected with the knob (89).

5. The anti-interference device for electromagnetic prospecting according to claim 1, characterized in that: The fixed block spacing adjustment mechanism (7) includes an arc-shaped pressing piece (73), and the arc-shaped pressing piece (73) is slidably connected between the front and back inner walls of the fixed block (6), and the inner arc surface of the arc-shaped pressing piece (73) is in close contact with the outer surface of the outer rubber layer (5).

6. The anti-jamming device for electromagnetic exploration according to claim 5, characterized in that: The fixed block spacing adjustment mechanism (7) further comprises a telescopic rod (71) and a spring one (72), and the upper end between the arc-shaped pressing piece (73) and the top wall of the vertically adjacent fixed block (6) is fixedly connected with a front and back symmetrical telescopic rod (71) respectively, and the outer part of the telescopic rod (71) is sleeved with a spring one (72).

7. The anti-jamming device for electromagnetic exploration according to claim 6, characterized in that: The fixed block spacing adjustment mechanism (7) further comprises a pull rod (74) and a pull ring (75), and the upper end of the arc-shaped pressing piece (73) is fixedly connected with a pull rod (74), and the upper end of the pull rod (74) is rotatably connected with a pull ring (75).

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