CN206270412U - Rock and ore sample resistivity test device - Google Patents
Rock and ore sample resistivity test device Download PDFInfo
- Publication number
- CN206270412U CN206270412U CN201621335829.8U CN201621335829U CN206270412U CN 206270412 U CN206270412 U CN 206270412U CN 201621335829 U CN201621335829 U CN 201621335829U CN 206270412 U CN206270412 U CN 206270412U
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- measuring
- measuring box
- rock
- base
- test device
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- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a kind of rock and ore sample resistivity test device, and the device includes base, two measuring boxes of support and the sample to be measured being held between two measuring boxes;Two measuring boxes, are respectively positioned on base, can be slided along base length direction by sliding unit;Two measuring box one end are all provided with opening, and opening direction is relative;Filled with the compliant conductive medium contacted with sample to be measured in measuring box, and top offers slot electrode;Electrode includes a pair of current electrodes and a pair of measuring electrodes, and respectively from two slot electrodes insertion compliant conductive medium, measuring electrode inserts sample two ends to be measured to current electrode from two slot electrodes respectively;Locking unit is used to be locked in sample to be measured between two measuring boxes.This programme solves the problems, such as that measuring process is cumbersome, error is big, efficiency is low, simplifies measuring process, realizes field measurement.
Description
Technical field
The utility model is related to resistivity measurement field, more particularly, to a kind of rock and ore sample resistivity measurement dress
Put.
Background technology
Resistivity between various rock and ores have differences be resistivity method physical property premise, with this in the wild exploration process
When carrying out electrical method work, the resistivity for tackling rock and ore is measured.What method for measuring was typically commonly used has the method for appearing and sample
Method.The method of appearing is to the rock of natural outcrop or artificial outcrop (such as exploratory trench, the tunnel, drilling) symmetrical quadrupole of small yardstick
The class method that device or three-pole device are directly determined.But do not survey the not all rock in area and have to appear and be available for determining, thus not
Obtain and do not use sample method or other methods.
Sample method measurement is generally required transports the sample of field acquisition back laboratory, and sample is cut into the shape of rule
Could be measured after (such as hexahedron or cylinder), but in transportation, the humidity under sample natural endowment is difficult to keep,
Expect the real resistivity value of sample, it is necessary to sample is sealed with wax after sampling, with the ground on collection of specimens ground before measurement
The immersion of lower water, dry after measured using symmetrical quadrupole device.Saving specimen process is comparatively laborious, and collection of specimens ground
Underground water is difficult collection, is generally replaced with running water, and error is brought to measurement, and measurement error is larger, and time of measuring is more long,
Measurement efficiency is relatively low.
Utility model content
The utility model provides a kind of rock and ore sample resistivity test device, the defect for overcoming prior art, purport
Simplifying Saving specimen step, improving measurement efficiency, reducing the volume of measurement apparatus, improving operability and portability, realizing
Field measurement.
To achieve the above object, the utility model provides a kind of rock and ore sample resistivity test device, including:
Base, two measuring boxes of support and the sample to be measured being held between measuring box described in two;
Measuring box described in two, is respectively positioned on the base, can be slided along the length direction of the base by sliding unit;
Measuring box one end described in two is all provided with opening, and the opening direction is relative;Filled with to be measured with described inside the measuring box
The compliant conductive medium of sample contact, and measuring box top offers slot electrode;
Electrode, including a pair of current electrodes and a pair of measuring electrodes, the current electrode is respectively from two measuring boxes
Slot electrode insert in the compliant conductive medium, the measuring electrode inserts institutes from two slot electrodes of the measuring box respectively
State the two ends of sample to be measured;
Locking unit, is arranged between measuring box described in two or treats mark with by described between measuring box and base described in two
Originally it is locked between measuring box described in two.
Further, the sliding unit includes:
Two parallel guide rails, are arranged on the base;
Multiple pulleys, positioned at the bottom surface of the measuring box, and are hinged between the measuring box by rotating shaft, and correspondence is two
Rolled on guide rail described in bar.
Further, the guide rail includes groove of the relatively described base top surface to lower recess, the pulley at least
Part is located in the groove.
Further, the guide rail includes the track that relatively described base top surface raises up, all sides of the pulley
Upper to have the groove being adapted with the track, the track is located in the groove.
Further, the compliant conductive medium includes dough or mud group.
Further, it is provided with rubber blanket between the dough or mud group and the measuring box.
Further, the measuring box is made by PVC transparent material;
Four cylindrical rubber foots pad are installed on the base end face;
The current electrode and measuring electrode are made of copper.
Further, the locking unit includes:
Multiple positioning lockhole, is spaced along the base length direction;
Two connection lockholes, are correspondingly arranged on measuring box described in two, can be with the movement of the measuring box and the positioning lock
The position in hole is just right;
Two locks, it is T-shaped, be inserted in respectively described in two connect lockhole and with it is described connection lockhole just to positioning lockhole
It is interior.
Further, the positioning lockhole is arranged on the middle part of the base;
The locking unit includes:
Two connection sheets, are respectively arranged at one end of the opening on measuring box described in two and away from the measuring box, and relatively
The measuring box is overhang to the direction away from the opening, and the connection lockhole is arranged in the connection sheet.
Further, the locking unit includes:
At least two springs, are connected to the both sides of measuring box described in two, the spring at least one end and the measuring box
It is detachably connected.
The utility model provide rock and ore sample resistivity test device, when using, by sample two ends to be measured respectively from
The opening of measuring box is inserted in two measuring boxes, promotes two measuring boxes move toward one another on base, and locking two by locking unit surveys
Amount box sample to be measured is clamped, then by current electrode respectively from slot electrode insert compliant conductive medium in, by measuring electrode from
Slot electrode inserts the end of sample to be measured and contacts, and the electricity of sample to be measured can be directly or indirectly obtained by measuring instrument
Resistance rate, due to compliant conductive medium from receive external force when can be deformed, therefore, by flexible media fix treat mark
This, the shape to sample is not limited, and without being in regular shape by sample cutting, cutting process is eliminated, further, since this Shen
Please simple structure, small volume is portable, convenient to use in the wild, therefore also eliminates the program of specimen transport and preserve sample
Step, so as to reduce measurement error, improve measurement efficiency and operability.
Brief description of the drawings
The front view of the rock and ore sample resistivity test device that Fig. 1 is provided for the embodiment of the utility model one;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the internal structure schematic diagram of measuring box in Fig. 1;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the right view of Fig. 4.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, ordinary skill people institute under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
As shown in figs. 1 to 6, the utility model provides a kind of rock and ore sample resistivity test device, and the device includes bottom
2, two measuring boxes 5, electrode (mark) of seat and locking unit (mark);Wherein base 2 is used to support two measuring boxes 5 and folder
It is held in the sample to be measured 11 between two measuring boxes 5;Two measuring boxes 5, are respectively positioned on base 2, by sliding unit (mark) energy
Slided along the length direction of base 2;The one end of two measuring box 5 is all provided with being open (mark), and the direction of two openings is relative;Measurement
Filled with the compliant conductive medium 10 contacted with sample to be measured 11 inside box 5, and the top of measuring box 5 offers slot electrode 7;
Electrode includes a pair of current electrodes 12 (including electrode A and electrode B) and a pair of measuring electrodes 13 (including electrode M and electrode N), supplies
Respectively from the two insertion compliant conductive of the slot electrode of measuring box 57 media 10, measuring electrode 13 is respectively from two surveys for electrode 12
The slot electrode 7 for measuring box 5 inserts the two ends of sample to be measured 11;Locking unit is arranged between two measuring boxes 5 or two measuring boxes 5 and bottom
It is locked between two measuring boxes 5 with by sample to be measured 11 between seat 2.
The rock and ore sample resistivity test device that the utility model is provided, when using, is placed on ground by base 2 first
On, the two ends of sample to be measured 11 are inserted in two measuring boxes 5 from the opening of measuring box 5 respectively, two measuring boxes 5 of promotion are on base 2
Move toward one another, to after suitable position, locks two measuring boxes 5 and clamps sample to be measured 11 by locking unit, then will power supply
In the compliant conductive medium 10 that electrode 12 inserts inside two measuring boxes 5 from slot electrode 7 respectively, by measuring electrode 13 from slot electrode 7
Insertion measure box 5 inside flexible media 10 in and with the ends contact of sample to be measured 11, by measuring instrument can directly or
Obtain the resistivity of sample to be measured indirectly, due to compliant conductive medium 10 from receive external force when can be deformed, therefore,
Sample to be measured 11 is fixed by compliant conductive medium 10, without being in regular shape by sample cutting, cutting process is eliminated, this
Outward, due to the application simple structure, small volume is portable, convenient to use in the wild, therefore also eliminates transport and preserve sample
Program, can obtain the value closer to rock and ore true resistance rate, and grasping for measurement efficiency and measurement apparatus is also improved in addition
The property made.
Here measurement apparatus can be resistivity measuring instrument, two current electrodes 12 by the A on electric wire and measuring instrument,
B interface is connected, and two measuring electrodes 13 are connected by M, N interface on electric wire and measuring instrument.Then instrument direct measurement is passed through
Obtain resistivity value.
Can also the potential difference U at (between two ends) and by sample to be measured 11 by apparatus measures and between obtaining sample to be measured
Electric current I, hereby it is possible to obtain the resistance R of sample to be measured 11:
The volume V for obtaining sample 11 to be measured can be crossed by immersion, the length L of sample to be measured 11 is obtained in that by scale,
Hereby it is possible to obtain the cross-sectional area S of sample to be measured 11:
The last computing formula by resistivityAnd above-mentioned formula (1) and formula (2) are obtained:
Further, compliant conductive medium 10 can be dough, can also be mud group, and easily materials, are convenient for measuring.
Further, in order to improve the security in measurement process, set between dough or mud group and measuring box 5
There is rubber blanket 15.Measuring box 5 is made by PVC transparent material;Insulating properties preferably, improve security performance, on the other hand, are easy to
Observation internal state, prevents sample to be measured 11 or electrode from penetrating dough, influences the accuracy of measurement.Current electrode 12 and measurement
Electrode 13 is made of copper.Preferably, anti-external interference performance is strong for electric conductivity.
It is preferred that, referring once again to Fig. 1, Fig. 2, sliding unit includes two parallel guide rails 6 and eight pulleys
3;Guide rail 6 is arranged on base 2;Wherein every 3 one groups of four pulleys, it is in rectangular layout in a bottom surface for measuring box 5, pulley 3
It is hinged by rotating shaft (not shown) between measuring box 5, the correspondence of pulley 3 is rolled on two guide rails 6.
On the one hand guide rail 6 defines moving direction of the measuring box 5 on base 2 with coordinating for pulley 3, plays guiding and makees
With, on the other hand, rolled instead of sliding on guide rail 6 by pulley 3, reduce two frictional force so that measuring box 5 is on base 2
Movement is got up more smoothly flexible.Certainly, pulley 3 here can also be replaced with sliding block.
Used as the preferred embodiment one of sliding unit, referring to Fig. 3, guide rail 6 includes the top surface of respect thereto 2 to lower recess
Groove 14, pulley 3 is at least part of in groove 14.
Used as the preferred embodiment two of sliding unit, guide rail 6 includes the track that the top surface of respect thereto 2 raises up, sliding
There is the groove being adapted with track, track is located in groove on all sides of wheel 3.
Above two preferred embodiment plays guide effect, simple structure by groove with the cooperation of projection, it is easy to
Make.
In addition base 2 can be placed steadily on the ground of different-shape for convenience, can be at the angle of the bottom surface of base 2 four
Position four cylindrical rubber foots pad 1 are fixedly installed, additionally, pulley 3 and foot pad 1 use rubber, in the inner mast one of measuring box 5
Layer rubber blanket 15, quality of rubber materials insulating properties is good, it is ensured that supply current all flows through the section of sample, prevents beyond two Riker mounts
In the presence of the phenomenon of electric leakage.
Used as the preferred embodiment one of locking unit, referring to Fig. 1~3, locking unit includes multiple positioning lockholes 8, two
Connection lockhole (mark) and two locks 9;Multiple positioning lockhole 8 is spaced along the length direction of base 2;Two connection lockhole correspondences
It is arranged on two measuring boxes 5, can be just right with the position of positioning lockhole 8 with the movement of measuring box 5;Two locks 9 are T-shaped, respectively
Be inserted in two connection lockholes and be connected lockhole just to positioning lockhole 8 in.Positioning lockhole 8 may be provided at arbitrarily full on base 2
The position of sufficient installation requirement.
When the distance between two measuring boxes 5 are adjusted to correct position and clamp sample 11 to be measured, above-mentioned two measurement is finely tuned
Box 5 and the sample to be measured 11 being held between two measuring boxes 5 so that connection lockhole and positioning lockhole 8 on two measuring boxes 5
It is just right, and by lock respectively insert connection lockhole with positioning lockhole 8 in, measuring box 5 is fixed on base 2, realize to be measured
The fixation of sample 11.
Further, referring to Fig. 1~3, positioning lockhole 8 is arranged on the middle part of base;Locking unit includes two connections
Piece 4, two connection sheets 4 are respectively arranged on two measuring boxes 5 and away from one end of measuring box opening, and relative measurement box 5 to away from
The direction of opening is overhang, and connection lockhole is arranged in connection sheet 4.From middle part fixation measuring box 5 and base 2, stress balance,
Stability is higher.
Used as the preferred embodiment two of locking unit, locking unit includes at least two spring (not shown), spring point
The both sides of two measuring boxes 5 are not connected to, and spring wherein one end is fixed on a measuring box 5, and the other end is articulated in by hook
On another measuring box 5;Or the two ends of spring are articulated on two measuring boxes 5 respectively.This outer spring is detachable with measuring box 5
Connection is not limited to mounting, can be connected with grafting or by bolt assembly etc..This mode is by spring by between two measuring boxes 5
Position fix, it is achieved thereby that treating the fixation of mark sheet 11.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic;
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of rock and ore sample resistivity test device, it is characterised in that including:
Base, two measuring boxes of support and the sample to be measured being held between measuring box described in two;
Measuring box described in two, is respectively positioned on the base, can be slided along the length direction of the base by sliding unit;Two institutes
State measuring box one end and be all provided with opening, and the opening direction is relative;Filled with for be measured with described inside the measuring box
The compliant conductive medium of sample contact, and measuring box top offers slot electrode;
Electrode, including a pair of current electrodes and a pair of measuring electrodes, the current electrode is respectively from two electricity of the measuring box
Pole groove is inserted in the compliant conductive medium, and the measuring electrode is treated from described in two slot electrode insertions of the measuring box respectively
The two ends of mark sheet;
Locking unit, is arranged between measuring box described in two or is locked with by the sample to be measured between measuring box and base described in two
It is scheduled between measuring box described in two.
2. rock and ore sample resistivity test device according to claim 1, it is characterised in that the sliding unit bag
Include:
Two parallel guide rails, are arranged on the base;
Multiple pulleys, positioned at the bottom surface of the measuring box, and are hinged between the measuring box by rotating shaft, and correspondence is in two institutes
State and rolled on guide rail.
3. rock and ore sample resistivity test device according to claim 2, it is characterised in that the guide rail includes relative
Groove from the base top surface to lower recess, the pulley is at least part of in the groove.
4. rock and ore sample resistivity test device according to claim 2, it is characterised in that the guide rail includes relative
The track that the base top surface raises up, has the groove being adapted with the track on all sides of the pulley, described
Track is located in the groove.
5. rock and ore sample resistivity test device according to claim 1, it is characterised in that the compliant conductive medium
Including dough or mud group.
6. rock and ore sample resistivity test device according to claim 5, it is characterised in that the dough is described
Rubber blanket is provided between mud group and the measuring box.
7. rock and ore sample resistivity test device according to claim 1, it is characterised in that the measuring box by
PVC transparent material is made;
Four cylindrical rubber foots pad are installed on the base end face;
The current electrode and measuring electrode are made of copper.
8. the rock and ore sample resistivity test device according to any one of claim 1~7, it is characterised in that the lock
Tight unit includes:
Multiple positioning lockhole, is spaced along the base length direction;
Two connection lockholes, are correspondingly arranged on measuring box described in two, can be with the movement of the measuring box and the positioning lockhole
Position is just right;
Two locks, it is T-shaped, be inserted in respectively described in two connect lockhole and with it is described connection lockhole just to positioning lockhole in.
9. rock and ore sample resistivity test device according to claim 8, it is characterised in that the positioning lockhole is set
In the middle part of the base;
The locking unit includes:
Two connection sheets, are respectively arranged at one end of the opening on measuring box described in two and away from the measuring box, and relatively described
Measuring box is overhang to the direction away from the opening, and the connection lockhole is arranged in the connection sheet.
10. the rock and ore sample resistivity test device according to any one of claim 1~7, it is characterised in that the lock
Tight unit includes:
At least two springs, are connected to the both sides of measuring box described in two, and the spring at least one end is removable with the measuring box
Connect with unloading.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621335829.8U CN206270412U (en) | 2016-12-07 | 2016-12-07 | Rock and ore sample resistivity test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621335829.8U CN206270412U (en) | 2016-12-07 | 2016-12-07 | Rock and ore sample resistivity test device |
Publications (1)
Publication Number | Publication Date |
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CN206270412U true CN206270412U (en) | 2017-06-20 |
Family
ID=59044647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621335829.8U Expired - Fee Related CN206270412U (en) | 2016-12-07 | 2016-12-07 | Rock and ore sample resistivity test device |
Country Status (1)
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CN (1) | CN206270412U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107905789A (en) * | 2017-12-20 | 2018-04-13 | 中国地质大学(武汉) | A kind of measuring device and method of rock exposure resistivity |
CN110132821A (en) * | 2019-06-19 | 2019-08-16 | 山东大学 | A kind of rock mass complex resistivity signal measurement apparatus, structure and method |
CN111721811A (en) * | 2019-03-20 | 2020-09-29 | 中国石油天然气集团有限公司 | Complex resistivity measuring device |
CN111796002A (en) * | 2020-08-13 | 2020-10-20 | 阳泉煤业(集团)股份有限公司 | Core resistivity measuring device with variable cavity length and capable of realizing real-time temperature loading |
-
2016
- 2016-12-07 CN CN201621335829.8U patent/CN206270412U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107905789A (en) * | 2017-12-20 | 2018-04-13 | 中国地质大学(武汉) | A kind of measuring device and method of rock exposure resistivity |
CN107905789B (en) * | 2017-12-20 | 2019-06-25 | 中国地质大学(武汉) | A kind of measuring device and method of rock exposure resistivity |
CN111721811A (en) * | 2019-03-20 | 2020-09-29 | 中国石油天然气集团有限公司 | Complex resistivity measuring device |
CN110132821A (en) * | 2019-06-19 | 2019-08-16 | 山东大学 | A kind of rock mass complex resistivity signal measurement apparatus, structure and method |
CN111796002A (en) * | 2020-08-13 | 2020-10-20 | 阳泉煤业(集团)股份有限公司 | Core resistivity measuring device with variable cavity length and capable of realizing real-time temperature loading |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171207 |
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CF01 | Termination of patent right due to non-payment of annual fee |