CN106646620B - Three-direction controllable resistivity method experiment electrode device and method - Google Patents
Three-direction controllable resistivity method experiment electrode device and method Download PDFInfo
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Abstract
The invention discloses a three-direction controllable resistivity method experiment electrode device and a method, and the device comprises a wire measuring rod and two movable support rods, wherein two ends of the wire measuring rod are respectively fixed on one movable support rod, a plurality of electrodes horizontally moving along the wire measuring rod are detachably arranged on the wire measuring rod, the upper part of each movable support rod is provided with a clamping groove and a movable plate clamping strip, the movable support rods are of a lifting structure, and the electrodes are fully contacted and coupled with the surface of a medium arranged in an experiment groove by adjusting the distance between the movable support rods, the height of the movable support rods and the positions and the distances of the electrodes. The position and the distance between the power supply electrode and the measuring electrode can be adjusted according to the experimental requirements, the defect that most of the experimental simulation devices adopting the resistivity method cannot conveniently and freely adjust the distance between the electrodes at present is overcome, the diversity and the accuracy of experimental data are guaranteed, and the experimental efficiency is improved.
Description
Technical Field
The invention relates to a three-way controllable resistivity method experimental electrode device and a method.
Background
With the continuous development of social economy, the geophysical exploration method is more and more widely applied to the aspects of geotechnical engineering exploration, mineral resource exploration and the like. The electrical prospecting is a geophysical prospecting method for finding mines and researching address structures by observing and researching the change and distribution rule of geophysical fields by special instruments and equipment according to the difference of electrical properties such as conductivity, dielectricity and the like of rocks and ores. The resistivity method, which is the most commonly used branch method of electrical prospecting, plays an increasingly important role in the field of geophysical prospecting. The application of the resistivity method in the field of geological exploration still needs further exploration, and a resistivity method experiment simulation device which can be carried out in a laboratory is widely used.
At present, a common resistivity method experiment simulation device is still very incomplete, especially the mutual position and distance between the power supply electrode A, B and the measuring electrode M, N are set singly, three-dimensional data observation cannot be effectively realized, so that experimental data grouping is too little, diversity is poor, experimental data precision is insufficient, some experimental data are even greatly deviated, an experimental result is greatly influenced, and further exploration of a resistivity method in the field of geophysical exploration is restricted to a certain extent.
Disclosure of Invention
In order to solve the problems, the invention provides a three-direction controllable resistivity method experimental electrode device and a three-direction controllable resistivity method experimental electrode method. The requirements of all resistivity observation modes can be met, the mutual positions and distances between the power supply electrode and the measuring electrode can be freely set, the height of the measuring line rod can also be freely controlled, and the response characteristics of the geological model can be effectively reflected to the greatest extent in experiments.
The invention aims to provide a three-way controllable resistivity experiment electrode device, the position and the distance between a power supply electrode and a measuring electrode can be adjusted according to experiment requirements, the defect that most of existing resistivity method experiment simulation devices cannot conveniently and freely adjust the electrode distance is overcome, and meanwhile, the response characteristics of a geological model are effectively reflected to the greatest extent.
The invention also aims to provide a test method, which can meet the requirements of all resistivity observation modes, can meet two-dimensional manual point-by-point measurement, two-dimensional array measurement and three-dimensional array measurement, and meets various experimental requirements.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a controllable resistivity method experiment electrode device of three-dimensional, includes survey line pole and two portable vaulting poles, the both ends of survey line pole are fixed in respectively on one portable vaulting pole, can dismantle the electrode that sets up a plurality of edge survey line pole horizontal migration on the survey line pole, portable vaulting pole upper portion has draw-in groove and movable plate card strip, but portable vaulting pole is elevation structure, through adjusting distance between the portable vaulting pole, the height and the electrode position and the interval of portable vaulting pole, makes the electrode reach abundant contact and coupling with the medium surface that sets up at the experiment inslot.
The electrodes comprise a power supply electrode and a measuring electrode which are matched.
The electrodes are detachable electrodes, the detachable electrodes and the electrode sliding insulating blocks are connected into a whole through threaded ends and sleeved on the wire measuring rod in a sleeved mode, and the detachable electrodes and the electrode sliding insulating blocks horizontally move along the wire measuring rod to adjust the positions and the intervals of different electrodes.
The electrode can be finely adjusted by utilizing the screw thread (the screw thread is long enough) of the rotary electrode when the electrode is contacted with the surface of the filling medium of the experimental groove, so that the electrode is fully contacted and coupled with the surface of the medium.
The electrode sliding insulating block is divided into an upper end and a lower end, wherein the upper end has the characteristics of insulation, difficult aging and certain strength, the material adopts plastic, one side of the upper end is provided with a certain opening so as to smoothly pass through a wire groove during installation, the lower end of the electrode sliding insulating block is provided with a wire connecting button, the electrode sliding insulating block has the characteristics of electric conduction and difficult corrosion, and the material adopts metal material; the detachable electrode can be made of iron, copper, non-polarized electrode and other materials, and can be flexibly selected according to experiment requirements.
The upper end of the movable support rod is a threaded end and is connected with the line measuring rod through the threaded end, a lifting rod is arranged in the movable support rod and moves up and down through a lifting control knob, and the lifting control knob is connected with the threaded end of the movable support rod.
Preferably, the lifting rod is marked with standard scales.
Preferably, the lifting control knob is connected with the movable support rod through a threaded end, and the vertical height of the wire measuring rod can be adjusted by rotating the lifting control knob.
Preferably, the number of the movable support rods is four, the movable support rods are respectively arranged at one end of the experiment groove, and the movable support rods are connected in pairs through the horizontal moving plates.
According to experimental requirements, two movable support rods can be used, and four movable support rods can also be used simultaneously.
Preferably, the horizontal moving plate has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the horizontal moving plate is marked with standard scales, and the overall length of the horizontal moving plate is required to be longitudinally stridable across the water tank.
Preferably, the bottoms of the two ends of the horizontal moving plate are longitudinally provided with cuboid grooves which are matched with the clamping strips of the moving plate as required, so that the horizontal moving plate can stably connect the movable support rods; the surface of the horizontal moving plate is provided with a triangular prism groove which is matched with the triangular prism at the bottom of the movable rod head according to requirements, and in order to ensure that the movable rod head can not be easily separated from the horizontal moving groove in the moving process, the inclination angle of the triangular prism groove is required to be 60-70 degrees.
Preferably, the movable rod head adopts an upper cuboid lower triangular prism, and the angle of the vertex angle of the triangular prism at the bottom of the movable rod head is 30-40 degrees.
Preferably, the measuring line rods are provided with a plurality of marks, and when the experimental groove is too long, the measuring line rods can be simultaneously used for connection, so that the requirements of the experimental grooves of various span resistivity methods are met. The concrete connection mode is as follows: the wire measuring rod is connected with the movable rod head and the wire measuring rod through threaded ends, the front end of the wire measuring rod is a cylindrical internal thread, and the rear end of the wire measuring rod is a cylindrical external thread.
Preferably, the wire measuring rod has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the wire measuring rod is marked with a standard scale, and the overall length of the wire measuring rod is required to be capable of crossing the experimental groove.
Preferably, the movable support rod has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the lifting rod is arranged inside the movable support rod, has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
The working method based on the experimental electrode device comprises the following steps:
(1) placing corresponding model materials in the experiment groove, and burying a set exploration target body;
(2) determining the number of movable support rods and the number of electrodes on the measuring rods according to the measuring mode;
(3) arranging movable support rods on two sides of an experimental groove, assembling wire measuring rods, recording the positions of the wire measuring rods, connecting detachable electrodes with electrode sliding insulating blocks through threads, rotating a lifting control knob, adjusting the height of each lifting rod, and ensuring that the lower ends of all electrodes of each wire measuring rod touch a medium in the experimental groove;
(4) adjusting the position and the distance of the electrodes, measuring and making corresponding records;
(5) and (5) repeating the steps (3) to (4) to complete the measurement of the experimental data under different conditions.
In the step (2), the measurement modes include two-dimensional point-by-point measurement, two-dimensional array measurement and three-dimensional array measurement, wherein the three-dimensional array measurement includes a plurality of groups of measuring poles, the number of electrodes on the measuring poles in the two-dimensional point-by-point measurement is 4, and the number of electrodes on each measuring pole in the two-dimensional array measurement and the three-dimensional array measurement is multiple.
The invention has the beneficial effects that:
(1) the invention can realize two-dimensional manual point-by-point measurement, two-dimensional array measurement and three-dimensional array measurement.
(2) The material of the electrode can be flexibly selected, can be fully contacted with the surfaces of different media, is convenient to replace, and increases the diversity of experiments;
(3) the positions and the distances between the power supply electrode and the measuring electrode can be adjusted according to the experiment requirements, the defect that most of resistivity method experiment simulation devices cannot conveniently and freely adjust the electrode distance is overcome, the diversity and the accuracy of experiment data are guaranteed, and the experiment efficiency is improved.
(3) The front and back positions of the measuring line can be adjusted at will, and the diversity of experimental data is increased.
(4) The whole device can flexibly obtain multiple groups of data, and the wire measuring rod and the bidirectional moving plate can be detached and are convenient to carry and maintain.
Drawings
FIG. 1 is a schematic front view of the overall structure of the two-dimensional point-by-point measurement of the present invention.
FIG. 2 is a schematic side view of a two-dimensional point-by-point measurement overall structure of the present invention.
FIG. 3 is a top view of the overall structure of the two-dimensional point-by-point measurement of the present invention.
Fig. 4 is a partially enlarged schematic view of a in fig. 1.
FIG. 5 is a top view of a two-dimensional array measurement ensemble of the present invention.
FIG. 6 is a schematic side view of a two-dimensional array measurement architecture according to the present invention.
FIG. 7 is a top view of a three-dimensional array type measuring whole structure according to the present invention.
Fig. 8 is a schematic front view of the movable brace of the present invention.
Fig. 9 is a front view and a top view of the wire guide slot of the present invention.
Wherein: 1. the device comprises a wire measuring rod, 2, a movable stay rod, 3, a lifting rod, 4, a clamping groove, 5, standard scales, 6, an electrode, 7, a wire guide groove, 8, a wire connecting button, 9, a wire, 10, a movable rod head, 11, a detachable electrode, 12, a stay rod base, 13, a rotating wheel, 14, a threaded end, 15, a lifting control knob, 16, an experimental groove, 17, a filling medium surface, 18, a movable plate clamping strip, 19, a horizontal movable plate, 20, a horizontal sliding clamping groove, 21, an electrode sliding insulating block, 22, an internal thread crest, 23, an internal thread crest, 24, an external thread crest, 25 and an external thread crest.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
A three-way controllable resistivity experiment electrode device comprises a wire measuring rod and a movable support rod. The two ends of the wire measuring rod are connected with the movable rod head through threaded ends, and a plurality of electrodes capable of horizontally moving along the wire measuring rod can be placed on the wire measuring rod according to needs. Generally, only four electrodes (including two power supply electrodes and two measuring electrodes) are arranged on the wire measuring rod, so that the common resistivity test of most observation modes can be met. Of course, if array or other special observation modes are adopted, the number of the electrodes can be manually increased according to needs. The upper part of the movable support rod is provided with a clamping groove and a movable plate clamping strip, a lifting rod is arranged in the movable support rod and can move up and down through a lifting control knob, the lifting control knob is connected with the threaded end of the movable support rod, a support rod base is arranged at the bottom of the movable support rod, and a rotating wheel is arranged on the support rod base.
Preferably, the wire measuring rod has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the wire measuring rod is marked with a standard scale, and the overall length of the wire measuring rod is required to be capable of crossing the experimental groove.
Preferably, the measuring line rods are provided with a plurality of marks, and when the experimental groove is too long, the measuring line rods can be simultaneously used for connection, so that the requirements of the experimental grooves of various span resistivity methods are met. The concrete connection mode is as follows: the wire measuring rod is connected with the movable rod head and the wire measuring rod through threaded ends, the front end of the wire measuring rod is a cylindrical internal thread, and the rear end of the wire measuring rod is a cylindrical external thread.
Preferably, the electrodes are all detachable, the detachable electrodes and the electrode sliding insulating blocks are connected into a whole through threaded ends and sleeved on the wire measuring rod in a sleeved mode, and then the positions and the intervals of different electrodes are adjusted through horizontal movement along the wire measuring rod according to experiment requirements. The electrode can be finely adjusted by utilizing the screw thread (the screw thread is long enough) of the rotary electrode when the electrode is contacted with the surface of the filling medium of the experimental groove, so that the electrode is fully contacted and coupled with the surface of the medium.
Preferably, the electrode sliding insulating block is divided into an upper end and a lower end, wherein the upper end has the characteristics of insulation, difficult aging and certain strength, the material is plastic, one side of the upper end is provided with a certain opening so as to smoothly pass through a wire groove during installation, the lower end of the electrode sliding insulating block is provided with a wire connecting button, the electrode sliding insulating block has the characteristics of electric conduction and difficult corrosion, and the material is made of metal material; the detachable electrode can be made of iron, copper, non-polarized electrode and other materials, and can be flexibly selected according to experiment requirements.
Preferably, the movable support rod has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the lifting rod is arranged inside the movable support rod, has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the lifting rod is marked with standard scales.
Preferably, the lifting control knob is connected with the movable support rod through a threaded end, and the vertical height of the wire measuring rod can be adjusted by rotating the lifting control knob.
Preferably, the number of the movable support rods is four, two movable support rods can be used according to experimental requirements, four movable support rods can also be used simultaneously, and when the four movable support rods are used simultaneously, the four movable support rods can be connected in pairs through the horizontal moving plates.
Preferably, the horizontal moving plate has the characteristics of high strength and corrosion resistance, and is made of stainless steel materials.
Preferably, the horizontal moving plate is marked with standard scales, and the overall length of the horizontal moving plate is required to be longitudinally stridable across the water tank.
Preferably, the bottoms of the two ends of the horizontal moving plate are longitudinally provided with cuboid grooves which are matched with the clamping strips of the moving plate as required, so that the horizontal moving plate can stably connect the movable support rods; the surface of the horizontal moving plate is provided with a triangular prism groove which is matched with the triangular prism at the bottom of the movable rod head according to requirements, and in order to ensure that the movable rod head can not be easily separated from the horizontal moving groove in the moving process, the inclination angle of the triangular prism groove is required to be 60-70 degrees.
Preferably, the movable rod head adopts an upper cuboid lower triangular prism, and the angle of the vertex angle of the triangular prism at the bottom of the movable rod head is 30-40 degrees.
The invention aims to provide a use method of an experimental electrode device adopting a three-way controllable resistivity method, which comprises the following steps:
A. placing corresponding model materials (water, soil, sand and the like) in an experimental groove, and burying a set exploration target body;
two-dimensional point-by-point measurement:
B. two movable support rods are respectively used at two sides of the experimental groove, the wire measuring rod is installed and connected after the position is selected, and the position of the wire measuring rod is recorded; of course, two movable support rods can be used on two sides of the experimental groove respectively, a corresponding horizontal moving plate is erected, and the position of the wire measuring rod is recorded;
C. according to the experimental requirements, 4 suitable detachable electrodes are selected to be connected with the electrode sliding insulating block through threads, the lifting control knob is rotated, the height of the lifting rod is adjusted, the lower ends of all the electrodes are ensured to touch the medium in the experimental groove, and the record is made;
D. according to the experimental requirement, the position and the distance of the electrodes are adjusted, the electrodes are connected with an instrument and then the electrodes are measured, and corresponding records are made.
E. And B-D can be repeated to complete the measurement of experimental data under different conditions.
Two-dimensional array measurement:
B. respectively using a movable stay bar at two sides of the experimental groove, installing and connecting the wire measuring rods, and recording the positions of the wire measuring rods; of course, two movable support rods can be used on two sides of the experimental groove respectively, a corresponding horizontal moving plate is erected, and the position of the wire measuring rod is recorded;
C. according to the experimental requirements, a plurality of suitable detachable electrodes are selected to be connected with the electrode sliding insulating block through threads, the lifting control knob is rotated, the height of the lifting rod is adjusted, the lower ends of all the electrodes are ensured to touch the medium in the experimental groove, and the record is made;
D. according to the experimental requirement, the position and the distance of the electrodes are adjusted, the electrodes are connected with an instrument and then the electrodes are measured, and corresponding records are made.
E. And B-D can be repeated to complete the measurement of experimental data under different conditions.
Three-dimensional array measurement:
B. two movable support rods are respectively used on two sides of the experiment groove, horizontal movable plates on two sides of the experiment groove are erected, a plurality of wire measuring rods are installed and connected, and the position of each wire measuring rod is recorded;
C. according to the experimental requirements, a plurality of groups of suitable detachable electrodes are selected to be in threaded connection with the electrode sliding insulating block, the lifting control knob is rotated to adjust the height of the lifting rod, and the lower ends of all electrodes of each wire measuring rod are ensured to touch the medium in the experimental groove, so that the record is made;
D. adjusting the position and the distance of the electrodes according to the experimental requirements, starting measurement after a circuit is connected with an instrument, and making corresponding records;
E. and B-D can be repeated to complete the measurement of experimental data under different conditions.
Example 1:
a three-way controllable resistivity experiment electrode device is structurally shown in figure 1 and comprises a wire measuring rod 1 and a movable support rod 2. Wherein both ends of the wire measuring rod 1 are connected with the movable rod head 10 through the thread ends 14, and a plurality of electrodes 6 which can horizontally move along the wire measuring rod 1 can be placed on the wire measuring rod 1 according to requirements. In general, only four electrodes 6 (including two power supply electrodes and two measuring electrodes) are arranged on the wire measuring rod, so that the common resistivity test of most observation modes can be met. Of course, if array or other special observation modes are adopted, the number of the electrodes can be manually increased according to needs. The upper part of the movable support rod 2 is provided with a clamping groove 4 and a movable plate clamping strip 18, a lifting rod 3 is arranged in the movable support rod 2, the lifting rod 3 can move up and down on the movable support rod 2 through a lifting control knob 15, the lifting control knob 15 is connected with a threaded end 14 of the movable support rod 2, a support rod base 12 is arranged at the bottom of the movable support rod 2, and a rotating wheel 13 is arranged on the support rod base 12.
In this embodiment, the wire measuring rod 1 has the characteristics of high strength and corrosion resistance, and is made of stainless steel.
In this embodiment, the wire stick 1 is marked with a standard scale 5, and the overall length is required to span the test slot 16.
In this embodiment, survey line pole 1 mark be furnished with many, many survey line poles 1 simultaneously when experimental groove 16 overlength is applicable to the resistivity method experimental groove 16 that various span required, all adopt threaded end 14 to be connected between survey line pole 1 and the portable pole head 10, the survey line pole 1, the front end of survey line pole 1 is the cylinder internal thread, the rear end is the cylinder external screw thread.
In this embodiment, the electrodes 6 are all detachable, the detachable electrode 11 and the threaded end 14 of the electrode sliding insulating block 21 are connected into a whole and sleeved on the wire measuring rod 1, and then the position and the distance between different electrodes 6 are adjusted by horizontally moving along the wire measuring rod 1 according to the experiment requirements. The contact between the electrode 6 and the surface 17 of the filling medium in the experimental groove 16 can be finely adjusted by rotating the screw thread of the electrode (the screw thread is long enough), so that the electrode 6 and the surface 17 of the filling medium are fully contacted and coupled
In this embodiment, the electrode sliding insulating block 21 is divided into an upper end and a lower end, wherein the upper end has the characteristics of insulation, difficult aging and certain strength, the material is plastic, one side of the upper end is provided with a certain opening so as to smoothly pass through a wire groove during installation, the lower end of the electrode sliding insulating block 21 is provided with a wire connecting button 8, the electrode sliding insulating block has the characteristics of conductivity and difficult corrosion, and the material is made of metal material; the detachable electrode 11 can be made of iron, copper, non-polarized electrode and other materials, and can be flexibly selected according to experiment requirements.
In this embodiment, the movable stay bar 2 has the characteristics of high strength and corrosion resistance, and is made of stainless steel.
In this embodiment, the lifting rod 3 is inside the movable supporting rod 2, and has the characteristics of high strength and corrosion resistance, and the material is stainless steel material.
In this embodiment, the lifting rod 3 is marked with a standard scale 5.
In this embodiment, the lifting control knob 15 is connected with the movable stay 2 by a threaded end 14, and the vertical height of the wire measuring rod 1 can be adjusted by rotating the lifting control knob 15.
In this embodiment, the number of the movable support rods 2 is four, two movable support rods 2 can be used according to experimental requirements, four movable support rods 2 can also be used simultaneously, and when the four movable support rods 2 are used simultaneously, two of the movable support rods can be connected through the horizontal movable plate 19.
In this embodiment, the horizontal moving plate 19 has the characteristics of high strength and corrosion resistance, and is made of stainless steel.
In this embodiment, the horizontal moving plate 19 is marked with a standard scale 5, and the overall length is required to be capable of longitudinally spanning the water tank 16.
In this embodiment, the bottom of the two ends of the horizontal moving plate 19 is longitudinally provided with a rectangular groove, which is matched with the moving plate clamping strip 18 as required to ensure that the horizontal moving plate 19 can stably connect the movable support rod 2; the surface of the horizontal moving plate 19 is provided with a horizontal sliding clamping groove 20, the horizontal sliding clamping groove 20 is in a triangular prism shape, and is matched with the triangular prism at the bottom of the movable rod head 10 according to requirements, and in order to ensure that the movable rod head 10 cannot be easily separated from the horizontal sliding groove 2 in the moving process, the inclination angle of the triangular prism groove is required to be 60-70 degrees.
In this embodiment, the movable club head 10 is shaped as an upper rectangular prism and a lower triangular prism, and the angle of the apex angle of the triangular prism at the bottom of the movable club head 10 is 30-40 °.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (4)
1. The utility model provides a controllable resistivity method experiment electrode assembly of three-dimensional, characterized by: the device comprises a wire measuring rod and a movable support rod, wherein two ends of the wire measuring rod are respectively fixed on the movable support rod, the wire measuring rod is provided with a plurality of wires, the wire measuring rods are connected by adopting threaded ends, a plurality of electrodes which horizontally move along the wire measuring rod are detachably arranged on the wire measuring rod, the upper part of the movable support rod is provided with a clamping groove and a movable plate clamping strip, the movable support rod is of a lifting structure, and the electrodes are fully contacted and coupled with the surface of a medium arranged in an experimental groove by adjusting the distance between the movable support rods, the height of the movable support rod and the position and the distance of the electrodes, so that two-dimensional manual point-by-point measurement, two-dimensional array measurement and three-dimensional array measurement are met;
the electrodes are all detachable electrodes, the detachable electrodes and the electrode sliding insulating blocks are connected into a whole through threaded ends and sleeved on the wire measuring rod in a sleeved mode, the detachable electrodes move horizontally along the wire measuring rod to adjust the positions and the intervals of different electrodes, and the threads of the electrodes are rotated to conduct fine adjustment, so that the electrodes are in full contact with and coupled with the surface of a medium;
the electrode sliding insulating block is divided into an upper end and a lower end; the upper end of the electrode sliding insulating block is insulated, is not easy to age and has certain strength, and one side of the upper end is provided with an opening so as to smoothly pass through a wire groove during installation; the lower end of the electrode sliding insulating block is provided with a lead connecting button;
the four movable support rods are respectively arranged at one end of the experiment groove and are connected in pairs through horizontal moving plates;
the bottom parts of the two ends of the horizontal moving plate are longitudinally provided with cuboid grooves matched with the moving plate clamping strips, and the surface of the horizontal moving plate is provided with triangular prism grooves matched with triangular prisms at the bottom parts of the movable rod heads;
the movable rod head of the movable stay bar is in a structure of a triangular prism at the lower part of an upper cuboid, and the angle of the vertex angle of the triangular prism at the bottom of the movable rod head is required to be 30-40 degrees;
the movable support rod is connected with the line measuring rod through a threaded end, a lifting rod is arranged in the movable support rod, the lifting rod is arranged on the movable support rod through a lifting control knob, the movable support rod moves up and down, and the lifting control knob is connected with the threaded end of the movable support rod.
2. The experimental electrode device of the resistivity method with three-direction controllable as claimed in claim 1, wherein: the electrodes comprise a power supply electrode and a measuring electrode which are matched.
3. Working method based on experimental electrode device according to any of claims 1-2, characterized in that it comprises the following steps:
(1) placing corresponding model materials in the experiment groove, and burying a set exploration target body;
(2) determining the number of movable support rods and the number of electrodes on the measuring rods according to the measuring mode;
(3) arranging movable support rods on two sides of an experimental groove, assembling wire measuring rods, recording the positions of the wire measuring rods, connecting detachable electrodes with electrode sliding insulating blocks through threads, rotating a lifting control knob, adjusting the height of each lifting rod, and ensuring that the lower ends of all electrodes of each wire measuring rod touch a medium in the experimental groove;
(4) adjusting the position and the distance of the electrodes, measuring and making corresponding records;
(5) and (5) repeating the steps (3) to (4) to complete the measurement of the experimental data under different conditions.
4. The method according to claim 3, wherein in the step (2), the measurement modes include two-dimensional point-by-point measurement, two-dimensional array measurement and three-dimensional array measurement, wherein the three-dimensional array measurement comprises a plurality of groups of measuring poles, the number of the electrodes on the measuring poles in the two-dimensional point-by-point measurement is 4, and the number of the electrodes on each measuring pole in the two-dimensional array measurement and the three-dimensional array measurement is multiple.
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| CN107957516A (en) * | 2017-12-07 | 2018-04-24 | 浙江省化工工程地质勘察院 | The measuring method and device of a kind of soil resistivity |
| CN108061793A (en) * | 2017-12-15 | 2018-05-22 | 哈尔滨工业大学 | A kind of test device and test method of fresh concrete isolation degree |
| CN108802824B (en) * | 2018-06-15 | 2019-08-20 | 山东大学 | A kind of physical analog test apparatus and method for geophysical exploration |
| CN109081400A (en) * | 2018-09-10 | 2018-12-25 | 南宁市桂润环境工程有限公司 | A kind of adjustable wastewater treatment electrolytic cell of pole span |
| CN110989003B (en) * | 2019-12-16 | 2021-10-26 | 山东大学 | Electrode device, system and method for cross-hole CT test |
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| CN103018789A (en) * | 2012-12-07 | 2013-04-03 | 山东大学 | Device and method for three-dimensional simulation of advanced detection of mesh generation resistivity method |
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