CN117761784B - Device for exploring fixed magnetic rod by geophysical magnetotelluric method - Google Patents
Device for exploring fixed magnetic rod by geophysical magnetotelluric method Download PDFInfo
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- CN117761784B CN117761784B CN202410181736.7A CN202410181736A CN117761784B CN 117761784 B CN117761784 B CN 117761784B CN 202410181736 A CN202410181736 A CN 202410181736A CN 117761784 B CN117761784 B CN 117761784B
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Abstract
The invention relates to the technical field of exploration equipment, and particularly discloses a device for exploring and fixing a magnetic rod by a geophysical magnetotelluric method, which comprises a frame body, wherein conical inserted bars are fixedly connected to the bottoms of two ends of the frame body; the support mechanism is positioned above the frame body; the protection mechanism is located the support body outside, and protection mechanism removes to the bar magnet top when burying the bar magnet, and this geophysical geotherm electromagnetic prospecting fixes the device of bar magnet, carries out the centre gripping through the both ends of supporting mechanism to the bar magnet and fixes, and the bar magnet takes place to remove when avoiding filling with earth to conveniently fix the bar magnet to the horizontality through supporting mechanism, need not the staff to repair the hole bottom, reduce staff's work load, screen the soil of backfilling through protection mechanism, and the staff can break big soil block through protection mechanism, avoid the soil block to strike the bar magnet, increase staff backfill soil's speed, improve exploration efficiency.
Description
Technical Field
The invention relates to the technical field of exploration equipment, in particular to a device for exploring a fixed magnetic rod by a geophysical magnetotelluric method.
Background
Geophysical magnetotelluric exploration is a geophysical method for researching distribution of substances and conductivity in the earth by using natural electromagnetic field sources such as lightning and earth magnetic fields, and the principle of geophysical magnetotelluric exploration is mainly based on propagation and reflection of electromagnetic waves in underground media, when the electromagnetic waves in the geophysical electromagnetic fields encounter media with different conductivities, reflection and refraction can occur, the intensity and direction of the electromagnetic fields are changed, and by arranging electrodes or magnetic rods on the ground, the changes can be measured, the conductivity distribution of the underground media can be inverted, and the distribution situation of resources such as underground rock strata, mineral products and the like can be further deduced.
During exploration, in order to reduce external interference, workers usually dig pits in the ground to place magnetic rods in the pits, fill the pits with soil or other materials, and keep the positions of the magnetic rods stable, but when the soil is covered on the magnetic rods, the magnetic rods vibrate due to impact force of falling soil or friction force between the soil and the surfaces of the magnetic rods, so that the measurement results of the magnetic rods are influenced, the workers need to operate as gently as possible when the soil is covered on the magnetic rods, and large-volume soil blocks need to be crushed, so that the excessive impact force on the magnetic rods is avoided, the construction steps and time are increased, and extra manpower and time are needed to finish the operation.
Disclosure of Invention
The invention aims to provide a device for exploring and fixing a magnetic rod by a geophysical magnetotelluric method, which aims to solve the problems that a worker needs to operate as gently as possible when covering soil on the magnetic rod, and the large-volume soil block needs to be crushed, so that the magnetic rod is prevented from being excessively impacted, the construction steps and time are increased, and additional manpower and time are needed to complete the operation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device for exploring and fixing the magnetic rod by using the geophysical magnetotelluric method comprises a frame body, wherein conical inserted bars are fixedly connected to the bottoms of two ends of the frame body;
The support mechanism is positioned above the frame body, supports the two ends of the magnetic rod and adjusts the magnetic rod to be in a horizontal state;
The protection mechanism is positioned at the outer side of the frame body, and moves to the upper part of the magnetic rod when burying the magnetic rod, so that the protection mechanism breaks soil blocks and reduces the impact force of soil falling on the magnetic rod.
Wherein, supporting mechanism is including being located two racks of support body top, and two racks are located support body both ends position respectively, rack inner wall fixedly connected with rubber pad, fixedly connected with connecting rod between two racks, connecting rod outside fixedly connected with bubble spirit level are equipped with the regulating part of adjusting the rack height between rack and the support body.
Wherein, the rack is concave arc.
Wherein, the regulating part includes the dead lever with support body fixed connection, dead lever inner wall sliding connection has the regulation pole, regulation pole and rack fixed connection, regulation pole inner wall threaded connection has the transmission lead screw, and the transmission lead screw rotates with the support body to be connected, adjusts the outside fixedly connected with stopper, and the spacing groove with stopper sliding connection has been seted up to the dead lever inner wall, and the transmission lead screw outside is equipped with drives transmission lead screw pivoted driving piece.
The driving piece comprises a transmission gear fixedly connected with the outer side of the transmission screw rod, a driving gear is meshed with the outer side of the transmission gear, one end of the driving gear is rotationally connected with the frame body, and the other end of the driving gear is fixedly connected with an adjusting handle.
Wherein, protection machanism is including being located the axis of rotation of support body both sides respectively, and the axis of rotation rotates with the support body inner wall to be connected, and a plurality of backup pads of axis of rotation outside fixedly connected with, and axis of rotation one end inner wall rotation is kept away from to the backup pad is connected with the bracing piece, is equipped with the locating part that limits bracing piece turned angle between bracing piece and the backup pad, and one of them bracing piece outside fixedly connected with sieve, a plurality of sieve meshes have been seted up on the sieve surface, and the remaining one bracing piece outside is equipped with broken piece that broken size is greater than sieve mesh internal diameter soil block.
Wherein, the length of the supporting plates positioned at two sides of the frame body is different.
The limiting piece comprises a clamping block fixedly connected with the outer side of the supporting rod, and a clamping groove which is in sliding connection with the clamping block is formed in the inner wall of the supporting plate.
Wherein, broken piece includes two connecting plates with bracing piece fixed connection, fixedly connected with slide bar between two connecting plates, slide bar outside sliding connection has the extrusion piece, and the arc end has been seted up to extrusion piece both sides.
Wherein, the support body outside is equipped with the holder that carries out the centre gripping to the magnetic bar cable, the holder includes the holder with support body fixed connection, the standing groove has been seted up at the holder top, holder inner wall sliding connection has the butt piece, butt piece outside sliding connection has the transmission piece, transmission piece and holder inner wall sliding connection, transmission piece outside fixedly connected with reset spring one, reset spring one and holder inner wall fixed connection, abutment piece one end sliding connection is kept away from to the transmission piece has the impeller block, impeller block and holder inner wall sliding connection, impeller block outside fixedly connected with reset spring two, reset spring two and holder inner wall fixed connection, impeller block one end is kept away from to the impeller block is equipped with the cam, cam outside fixed connection transfer line, transfer line and holder inner wall swivelling joint, cam one end and axis of rotation fixed connection are kept away from to the transfer line.
The invention has at least the following beneficial effects:
When the application is used, a worker fixes the frame body in the pit through the conical inserted rod at the bottom of the frame body, then places the magnetic rod in the supporting mechanism, clamps and fixes the two ends of the magnetic rod through the supporting mechanism, so that the magnetic rod is prevented from moving during soil filling, the magnetic rod is conveniently fixed to a horizontal state through the supporting mechanism, the bottom of the pit is not required to be trimmed by the worker, the workload of the worker is reduced, and after the magnetic rod is fixed horizontally, the protecting mechanism is switched to the position above the magnetic rod, so that when the worker fills the soil, the backfilled soil is screened through the protecting mechanism, and the worker can crush large soil blocks through the protecting mechanism, so that the soil blocks are prevented from impacting the magnetic rod, the speed of backfilling the soil by the worker is increased, and the exploration efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side cross-sectional view of a structural support plate of the present invention;
FIG. 3 is an enlarged schematic view of the area A in FIG. 2;
FIG. 4 is a schematic side cross-sectional view of a structural adjustment member of the present invention;
FIG. 5 is an enlarged schematic view of region B of FIG. 4;
FIG. 6 is a schematic side cross-sectional view of a structural limiter of the present invention;
FIG. 7 is a schematic diagram of a second embodiment;
FIG. 8 is a schematic diagram of the connection of the transmission rod and the rotating shaft of the structure of the present invention;
fig. 9 is a schematic front cross-sectional view of a structural clip of the present invention.
In the figure: 1. a frame body; 2. a rod; 3. a support mechanism; 30. a placing rack; 31. a rubber pad; 32. a connecting rod; 33. a bubble level; 34. an adjusting member; 35. a fixed rod; 36. an adjusting rod; 37. a transmission screw rod; 38. a limiting block; 39. a limit groove; 310. a driving member; 311. a transmission gear; 312. a drive gear; 313. adjusting the handle; 4. a protection mechanism; 40. a rotating shaft; 41. a support plate; 42. a support rod; 43. a limiting piece; 44. a sieve plate; 45. a sieve pore; 46. a crushing member; 47. a clamping block; 48. a clamping groove; 49. a connecting plate; 410. a slide bar; 411. extruding a block; 412. an arc end; 5. a clamping member; 50. a clamping frame; 51. a placement groove; 52. an abutment block; 53. a transmission block; 54. a first reset spring; 55. a pushing block; 56. a second reset spring; 57. a cam; 58. a transmission rod; 6. a magnetic rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: the device for exploring and fixing the magnetic rod by using the geophysical magnetotelluric method comprises a frame body 1, wherein the bottoms of two ends of the frame body 1 are fixedly connected with conical inserted bars 2; the support mechanism 3 is positioned above the frame body 1, the support mechanism 3 supports two ends of the magnetic rod 6, and the magnetic rod 6 is adjusted to be in a horizontal state; the protection mechanism 4 is positioned at the outer side of the frame body 1, the protection mechanism 4 moves to the upper part of the magnetic rod 6 when burying the magnetic rod 6, the protection mechanism 4 breaks soil blocks and reduces impact force generated by falling of soil to the magnetic rod 6;
During the use, the staff passes through the toper inserted bar 2 of support body 1 bottom and fixes support body 1 in the hole, then place bar magnet 6 in supporting mechanism 3, carry out the centre gripping fixedly to the both ends of bar magnet 6 through supporting mechanism 3, bar magnet 6 takes place to remove when avoiding filling out soil, and conveniently fix bar magnet 6 to the horizontality through supporting mechanism 3, do not need the staff to repair the hole bottom, reduce staff's work load, after bar magnet 6 is fixed horizontally, switch protection machanism 4 to bar magnet 6 top, during the staff fills out soil, screen through protection machanism 4 to backfilling soil, and the staff can carry out the breakage to big soil block through protection machanism 4, avoid the soil block to strike bar magnet 6, increase the speed that the staff backfilled soil, improve exploration efficiency, and after soil, protection machanism 4 can arch guard in bar magnet 6 top, when making the object pass through top soil, bar magnet 6 can not receive the extrusion and take place to remove because of top soil, increase the accuracy of exploration detection.
The supporting mechanism 3 comprises two placing frames 30 positioned above the frame body 1, the placing frames 30 are in concave arc shapes to clamp the magnetic rods 6 in a matched mode, the two placing frames 30 are respectively positioned at two ends of the frame body 1, rubber pads 31 are fixedly connected to the inner walls of the placing frames 30, connecting rods 32 are fixedly connected between the two placing frames 30, bubble level meters 33 are fixedly connected to the outer sides of the connecting rods 32, and adjusting pieces 34 for adjusting the heights of the placing frames 30 are arranged between the placing frames 30 and the frame body 1;
When the magnetic rod device is used, a worker presses the magnetic rod 6 into the rubber pad 31 on the inner wall of the placing frame 30, the magnetic rod 6 extrudes the rubber pad 31, the rubber pad 31 deforms after being pressed, the magnetic rod 6 enters the concave arc of the rubber pad 31, the rubber pad 31 is made of rubber, good elasticity is achieved, the magnetic rod 6 is fixed in the concave arc of the rubber pad 31 through the elasticity of the rubber pad 31, then the worker observes whether the magnetic rod 6 is in a horizontal state through the bubble level meter 33, the bubble level meter 33 is a mature prior art, the bubble level meter 33 is an instrument for detecting the levelness of an object, the principle is that the liquid is kept balanced by using the surface tension and the gravity of the liquid, bubbles in the liquid can automatically rise, when the liquid is kept in the level, the bubbles can stay in the center of the liquid, the levelness of the object is indicated, and the worker adjusts the height of the placing frame 30 through the adjusting piece 34 to be matched with the level of the magnetic rod 6.
The adjusting piece 34 comprises a fixed rod 35 fixedly connected with the frame body 1, an adjusting rod 36 is slidably connected to the inner wall of the fixed rod 35, the adjusting rod 36 is fixedly connected with the placing frame 30, a transmission screw rod 37 is in threaded connection with the inner wall of the adjusting rod 36, the transmission screw rod 37 is rotationally connected with the frame body 1, a limiting block 38 is fixedly connected to the outer side of the adjusting rod 36, a limiting groove 39 slidably connected with the limiting block 38 is formed in the inner wall of the fixed rod 35, and a driving piece 310 for driving the transmission screw rod 37 to rotate is arranged on the outer side of the transmission screw rod 37;
When the adjusting piece 34 works, a worker drives the transmission screw rod 37 to rotate through the driving piece 310, the transmission screw rod 37 drives the adjusting rod 36 meshed with the outer side to move, the adjusting rod 36 is limited to slide up and down on the inner wall of the fixed rod 35 by sliding along the inner wall of the limiting groove 39 through the limiting block 38, the adjusting rod 36 moves to adjust the height of the placing frame 30, and the placing frame 30 is positioned at two ends of the magnetic rod 6, so that the magnetic rod 6 is in a horizontal state by adjusting the height of the placing frame 30 in a matched mode.
The driving piece 310 comprises a transmission gear 311 fixedly connected with the outer side of the transmission screw rod 37, a driving gear 312 is meshed with the outer side of the transmission gear 311, one end of the driving gear 312 is rotationally connected with the frame body 1, the other end of the driving gear 312 is fixedly connected with an adjusting handle 313, when the driving piece 310 works, a worker drives the driving gear 312 to rotate through the adjusting handle 313, the driving gear 312 drives the transmission gear 311 to rotate, and the transmission gear 311 drives the transmission screw rod 37 to rotate so as to cooperatively drive the adjusting rod 36 to slide on the inner wall of the fixed rod 35.
The protection mechanism 4 comprises rotating shafts 40 which are respectively positioned at two sides of the frame body 1, the rotating shafts 40 are rotationally connected with the inner wall of the frame body 1, a plurality of supporting plates 41 are fixedly connected to the outer side of the rotating shafts 40, the lengths of the supporting plates 41 positioned at two sides of the frame body 1 are different, supporting rods 42 are rotationally connected to the inner wall of one end of each supporting plate 41 far away from the rotating shafts 40, limiting pieces 43 for limiting the rotating angle of each supporting rod 42 are arranged between each supporting rod 42 and each supporting plate 41, a sieve plate 44 is fixedly connected to the outer side of one supporting rod 42, a plurality of sieve holes 45 are formed in the surface of each sieve plate 44, and crushing pieces 46 with crushing sizes larger than the inner diameter of each sieve hole 45 are arranged on the outer side of the other supporting rods 42;
Under initial condition, the backup pad 41 that is located support body 1 both sides is spread out to both sides, thereby make things convenient for the staff to put into bar magnet 6, behind bar magnet 6 in the horizontality, backup pad 41 drives axis of rotation 40 at support body 1 inner wall rotation, then staff rotates sieve 44 rotation, make sieve 44 rotate to bar magnet 6 top, then rotate sieve 44, sieve 44 drives bracing piece 42 rotation, bracing piece 42 drives spacing piece 43 work, carry out spacing to sieve 44 through spacing piece 43, make sieve 44 lid at bar magnet 6 top, thereby when staff backfill soil, screen soil through sieve mesh 45, impact bar magnet 6 when avoiding the big soil block whereabouts of size, and staff carries out the breakage to the big size soil block of sieve 44 upper surface through broken piece 46, and with hard object propelling movement such as stone outside support body 1, with the cooperation buries bar magnet 6, after the soil buries 44, can not control broken piece 46 work, make soil with broken piece 46 and with broken piece 46 together, carry out spacing to sieve 44, the backup pad 44 is mated with both sides, when the soil is buried to the bar magnet 6, can not receive accurate detection arch-shaped object on the sieve 6, can take place when the soil is not pressed to the side of the earth, the top is detected because of the bar magnet 6 is pressed.
The limiting piece 43 comprises a clamping block 47 fixedly connected with the outer side of the supporting rod 42, a clamping groove 48 which is in sliding connection with the clamping block 47 is formed in the inner wall of the supporting plate 41, when the supporting rod 42 rotates, the supporting rod 42 drives the clamping block 47 to rotate, the clamping block 47 rotates along the inner wall of the clamping groove 48, the clamping block 47 rotates to the end part of the clamping groove 48, and therefore when soil is pressed on the surface of the sieve plate 44, the position of the sieve plate 44 is limited through the clamping connection of the clamping block 47 and the clamping groove 48.
The crushing piece 46 includes two connecting plates 49 with bracing piece 42 fixed connection, fixedly connected with slide bar 410 between two connecting plates 49, slide bar 410 outside sliding connection has extrusion piece 411, arc end 412 has been seted up to extrusion piece 411 both sides, during operation of crushing piece 46, the staff promotes extrusion piece 411 and slides along slide bar 410 surface, extrusion piece 411 cooperates screen plate 44 to extrude soil, extrusion piece 411 is when promoting soil at screen plate 44 surface removal, through the extrusion to soil with the soil piece broken to the cooperation will accord with the soil of size through sieve mesh 45 dropping on bar 6, and buries bar 6.
Example two
As shown in fig. 7-9, in the second embodiment, other structures are unchanged, unlike the first embodiment, the outer side of the frame body 1 is provided with a clamping piece 5 for clamping the magnetic rod 6 cable, the clamping piece 5 comprises a clamping frame 50 fixedly connected with the frame body 1, a placing groove 51 is formed at the top of the clamping frame 50, the inner wall of the clamping frame 50 is slidably connected with an abutting block 52, the outer side of the abutting block 52 is slidably connected with a transmission block 53, the transmission block 53 is slidably connected with the inner wall of the clamping frame 50, the outer side of the transmission block 53 is fixedly connected with a first reset spring 54, the first reset spring 54 is fixedly connected with the inner wall of the clamping frame 50, one end of the transmission block 53 away from the abutting block 52 is slidably connected with a pushing block 55, the pushing block 55 is fixedly connected with a second reset spring 56, the inner wall of the clamping frame 50 is fixedly connected with the pushing block 55, one end away from the transmission block 53 is provided with a cam 57, the outer side of the cam 57 is fixedly connected with a transmission rod 58, the transmission rod 58 is rotatably connected with the inner wall of the clamping frame 50, and one end of the transmission rod 58 away from the cam 57 is fixedly connected with the rotating shaft 40;
When a worker places the magnetic rod 6, cables at the end parts of the magnetic rod 6 are placed in the placing groove 51, when the worker rotates the supporting plate 41, the supporting plate 41 drives the rotating shaft 40 to rotate, the rotating shaft 40 drives the transmission rod 58 to rotate, the transmission rod 58 drives the cam 57 to rotate, when the cam 57 rotates, the protruding part of the cam 57 pushes the transmission block 53 to move, the transmission block 53 slides along the inner wall of the clamping frame 50 and presses the reset spring II 56, the inclined side of the transmission block 53 presses the pushing block 55, the pushing block 55 slides along the inner wall of the clamping frame 50 and presses the reset spring I54, the pushing block 55 pushes the abutting block 52 to move to push the abutting block 52 outwards in a matched mode, the abutting block 52 moves to clamp the cables in the placing groove 51 in a matched mode, and therefore the cables are prevented from driving the magnetic rod 6 to move when the outside shakes, and accuracy of exploration detection is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The device for exploring and fixing the magnetic rod by using the geophysical magnetotelluric method is characterized in that: the novel lifting device comprises a frame body (1), wherein conical inserted bars (2) are fixedly connected to bottoms of two ends of the frame body (1);
The support mechanism (3), the support mechanism (3) is positioned above the frame body (1), the support mechanism (3) supports two ends of the magnetic rod, and the magnetic rod is adjusted to be in a horizontal state;
The protection mechanism (4) is positioned at the outer side of the frame body (1), the protection mechanism (4) moves to the upper part of the magnetic rod when burying the magnetic rod, and the protection mechanism (4) breaks soil blocks and reduces impact force generated by soil falling to the magnetic rod;
The protection mechanism (4) comprises rotating shafts (40) which are respectively positioned at two sides of the frame body (1), the rotating shafts (40) are rotationally connected with the inner wall of the frame body (1), a plurality of supporting plates (41) are fixedly connected to the outer side of the rotating shafts (40), supporting rods (42) are rotationally connected to the inner wall of one end of each supporting plate (41) far away from the rotating shafts (40), limiting pieces (43) for limiting the rotating angle of each supporting rod (42) are arranged between each supporting rod (42) and each supporting plate (41), one of the supporting rods (42) is fixedly connected with a sieve plate (44), a plurality of sieve holes (45) are formed in the surface of each sieve plate (44), and crushing pieces (46) with crushing sizes larger than the inner diameter soil blocks of the sieve holes (45) are arranged on the outer side of each supporting rod (42);
The magnetic rod clamping device is characterized in that a clamping piece (5) for clamping a magnetic rod cable is arranged on the outer side of the frame body (1), the clamping piece (5) comprises a clamping frame (50) fixedly connected with the frame body (1), a placing groove (51) is formed in the top of the clamping frame (50), an abutting block (52) is connected to the inner wall of the clamping frame (50) in a sliding mode, a transmission block (53) is connected to the outer side of the abutting block (52) in a sliding mode, a reset spring I (54) is fixedly connected to the outer side of the transmission block (53), a pushing block (55) is fixedly connected to the inner wall of the clamping frame (50) at one end, far away from the abutting block (52), of the transmission block (53), a reset spring II (56) is fixedly connected to the inner wall of the clamping frame (50), a transmission block (55) is far away from a transmission block (53) and is provided with a cam (57), one end, far away from the cam (58) is fixedly connected to the inner wall of the clamping frame (50), the cam (58) is fixedly connected to the cam (57), one end of the transmission rod (58) far away from the cam (57) is fixedly connected with the rotating shaft (40).
2. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 1 wherein: the supporting mechanism (3) comprises two placing frames (30) located above the frame body (1), the two placing frames (30) are located at two ends of the frame body (1) respectively, rubber pads (31) are fixedly connected to the inner walls of the placing frames (30), connecting rods (32) are fixedly connected between the placing frames (30), bubble level meters (33) are fixedly connected to the outer sides of the connecting rods (32), and adjusting pieces (34) for adjusting the heights of the placing frames (30) are arranged between the placing frames (30) and the frame body (1).
3. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 2 wherein: the placing frame (30) is in a concave arc shape.
4. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 2 wherein: the adjusting piece (34) comprises a fixed rod (35) fixedly connected with the frame body (1), an adjusting rod (36) is slidably connected with the inner wall of the fixed rod (35), the adjusting rod (36) is fixedly connected with the placement frame (30), a transmission screw (37) is fixedly connected with the inner wall of the adjusting rod (36) in a threaded manner, the transmission screw (37) is rotatably connected with the frame body (1), a limiting block (38) is fixedly connected with the outer side of the adjusting rod (36), a limiting groove (39) slidably connected with the limiting block (38) is formed in the inner wall of the fixed rod (35), and a driving piece (310) for driving the transmission screw (37) to rotate is arranged on the outer side of the transmission screw (37).
5. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 4 wherein: the driving piece (310) comprises a transmission gear (311) fixedly connected with the outer side of the transmission screw rod (37), a driving gear (312) is meshed with the outer side of the transmission gear (311), one end of the driving gear (312) is rotationally connected with the frame body (1), and the other end of the driving gear (312) is fixedly connected with an adjusting handle (313).
6. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 1 wherein: the lengths of the supporting plates (41) positioned on two sides of the frame body (1) are different.
7. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 1 wherein: the limiting piece (43) comprises a clamping block (47) fixedly connected with the outer side of the supporting rod (42), and a clamping groove (48) which is slidably connected with the clamping block (47) is formed in the inner wall of the supporting plate (41).
8. The apparatus for geophysical magnetotelluric prospecting for fixed magnetic rods as defined in claim 1 wherein: the crushing piece (46) comprises two connecting plates (49) fixedly connected with the supporting rod (42), a sliding rod (410) is fixedly connected between the two connecting plates (49), an extrusion block (411) is slidably connected to the outer side of the sliding rod (410), and arc-shaped ends (412) are formed in two sides of the extrusion block (411).
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| CN202410181736.7A CN117761784B (en) | 2024-02-19 | 2024-02-19 | Device for exploring fixed magnetic rod by geophysical magnetotelluric method |
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