CN109682737A - Measure the experimental provision and operating method of rock specimens porosity - Google Patents
Measure the experimental provision and operating method of rock specimens porosity Download PDFInfo
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- CN109682737A CN109682737A CN201910008826.5A CN201910008826A CN109682737A CN 109682737 A CN109682737 A CN 109682737A CN 201910008826 A CN201910008826 A CN 201910008826A CN 109682737 A CN109682737 A CN 109682737A
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- supporting plate
- column
- sliding
- sliding seat
- sample box
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- 239000011435 rock Substances 0.000 title claims abstract description 38
- 238000011017 operating method Methods 0.000 title claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 28
- 239000011553 magnetic fluid Substances 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229920001342 Bakelite® Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004637 bakelite Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000010410 reperfusion Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of experimental provision and operating method measuring rock specimens porosity, it includes support frame, sliding seat, supporting plate, sample box and electromagnet group, by the way that electromagnet group is arranged on the bottom plate of support frame, by on column be arranged can vertical sliding motion positioning multiple supporting plates, by the way that sample box is arranged between multiple supporting plates, box mouth is sealed by supporting plate, the quantity by increasing supporting plate increases the quantity of sample box, adjusts measuring distance by vertical sliding motion supporting plate.It the present invention overcomes when geological diagnostics sample porosity measurement, is not easy to seal, the nonadjustable problem of measuring distance, good seal performance simple with structure, the quantity of measuring distance and test sample is adjustable, and adaptability is good, feature simple to operate.
Description
Technical field
The invention belongs to experimental technique field, it is related to a kind of experimental provision for measuring rock specimens porosity and operation side
Method.
Background technique
Porosity is the important parameter for describing the characteristics such as rock physics, mechanics, seepage flow.For the performance of study of rocks,
It is most important to solve its porosity.Porosity is the representative fraction that pore volume occupies total volume, measures porosity, existing most common
Measurement porosity technology has helium hydrometry, and mercury injects hole method, vacuum hole porosity method and water infiltration method etc., in test process
The problem is that:
Rock specimens are not easy to seal, test inaccuracy；
In test process, measuring distance is non-adjustable, can only meet the test request of single distance.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of experimental provision for measuring rock specimens porosity and operations
Method, structure is simple, using electromagnet group is arranged on the bottom plate of support frame, on column setting can vertical sliding motion positioning it is multiple
Sample box is arranged in supporting plate between supporting plate, seals box mouth by supporting plate, the quantity of supporting plate and with a distance from electromagnet group it is adjustable
Whole, the quantity of good seal performance, measuring distance and test sample is adjustable, and adaptability is good, simple to operate.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of measurement rock specimens porosity
Experimental provision, it includes support frame, sliding seat, supporting plate, sample box and electromagnet group；The sliding seat and support frame vertical sliding motion
Cooperation positioning, supporting plate are slidably connected with sliding seat level, and for sample box between supporting plate, electromagnet group is located at support frame bottom；
Variable magnetic field is formed when being powered between the electromagnet group and supporting plate.
Support frame as described above includes and bottom plate column connected vertically, with column crossbeam connected horizontally, sliding seat and column
Cooperation.
The sliding slot of T-shaped structure is set on the column, multiple threaded holes are set positioned at the two sides of sliding slot.
The sliding seat includes the sliding rail connecting with fixed plate side, the pedestal connecting with the other side, and is located at and fixes
The screw of plate two sides.
The sliding rail is that the sliding slot in T-shaped structure, with column is slidably matched, and screw passes through the spiral shell of fixed plate and column two sides
Pit connection positioning.
The supporting plate is plate, and the horizontal concrete chute sliding of sliding block and sliding seat upper pedestal that side is provided with T-shaped structure is matched
It closes.
The sample box is the hollow transparent cylinder of upper end opening, and downward opening suction tray, barrel setting is arranged in bottom
Scale.
The electromagnet group includes the multiple independent energization solenoids being distributed in hollow housing.
The operating method of the experimental provision of measurement rock specimens porosity as described above, it includes the following steps:
S1, electromagnet group installation, electromagnet group is placed on, vertical corresponding with the supporting plate on top；
S2, sliding seat installation, by the sliding slot on the sliding rail insertion column of sliding seat, the upper side of screw fastener head is lower than pedestal
The slot bottom of horizontal concrete chute；
S3, supporting plate installation, by the horizontal concrete chute on supporting plate on the pedestal of the sliding block insertion sliding seat of T-shaped structure, supporting plate is along vertical
Column two sides level is slidably matched, and rotary screw makes the upper side of fastener head be higher than the slot bottom of pedestal horizontal concrete chute, and it is de- to limit supporting plate
Horizontal concrete chute out, at this point, sliding seat can be slided along uprights vertical；
S4, sample prepare, rock specimens are put into sample box, magnetic fluid is poured into, magnetic fluid covers sample；
S5, sample box installation, the suction tray of sample box bottom is adsorbed on supporting plate, the opening up box mouth of sample box and upper one
The bottom of layer supporting plate contacts closing；
S6, fixed sliding seat cooperate threaded hole of the supporting plate on column upward sliding, screw and column, and supporting plate is in limit
State will not be slided along column, be kept with electromagnet group in the spacing of setting；
S7 adjusts sliding seat, unscrews the screw on sliding seat, and supporting plate can be slided up and down along column, according to test requirements document by sample
Box be adjusted to electromagnet group in the distance range of setting after, the threaded hole on rotary screw and column cooperates, and supporting plate is in
Limit state.
A kind of experimental provision measuring rock specimens porosity, it includes support frame, sliding seat, supporting plate, sample box and electricity
Group of magnets；Sliding seat and the cooperation of support frame vertical sliding motion position, and supporting plate is slidably connected with sliding seat level, and sample box is located at supporting plate
Between, electromagnet group is located at support frame bottom；Variable magnetic field is formed when being powered between electromagnet group and supporting plate.Structure is simple, leads to
Cross on the bottom plate of support frame setting electromagnet group, by be arranged on column can vertical sliding motion positioning multiple supporting plates, pass through
Sample box is set between multiple supporting plates, box mouth is sealed by supporting plate, the quantity by increasing supporting plate increases the quantity of sample box, leads to
Vertical sliding motion supporting plate adjustment measuring distance is crossed, the quantity of good seal performance, measuring distance and test sample is adjustable, and adaptability is good,
It is simple to operate.
In the preferred scheme, support frame includes sliding with bottom plate column connected vertically with column crossbeam connected horizontally
Dynamic seat and column cooperate.Structure is simple, in use, the bottom slab stress of support frame, the weight of upright supports supporting plate, crossbeam and bottom plate
The column of two sides is connected as one, sliding seat is stablized when sliding along column, and structural strength is high.
In the preferred scheme, the sliding slot of T-shaped structure is set on column, multiple threaded holes are set positioned at the two sides of sliding slot.
Structure is simple, and when installation, the sliding rail of sliding slot and sliding seat on column is slidably matched, and the screw fit of threaded hole and sliding seat is fixed
Position, it is quick and easy for installation, it is conveniently adjusted.
In the preferred scheme, sliding seat includes the sliding rail connecting with fixed plate side, the pedestal connecting with the other side, with
And the screw positioned at fixed plate two sides.Structure is simple, upper in the sliding slot on the sliding rail insertion column of sliding seat to glide when installation
Dynamic, screw passes through fixed plate and stud location, and positioning is convenient and efficient, easy to operate.
In the preferred scheme, sliding rail is that the sliding slot in T-shaped structure, with column is slidably matched, screw pass through fixed plate with
The threaded hole of column two sides connects positioning.Structure is simple, and when installation, sliding rail and sliding slot are the structure that T shape is cooperatively connected, when sliding
Stablize, be not easy to pull after stress, positioned using screw and threaded hole cooperation, easy to connect, height is convenient and efficient when adjusting.
In the preferred scheme, supporting plate is plate, and side is provided with the sliding block of T-shaped structure and the level of sliding seat upper pedestal
Sliding slot is slidably matched.Structure is simple, and when installation, the supporting plate being slidably matched with the pedestal level of sliding seat is easy for assemble or unload fast
It is prompt, it is preferable that as needed, multiple sliding seats can be set on column and multiple supporting plates cooperate, form multilayered structure, place more
A sample box is tested, and interlayer is every can adjust, and test efficiency is higher, better adaptability.
In the preferred scheme, sample box is the hollow transparent cylinder of upper end opening, and downward opening absorption is arranged in bottom
Scale is arranged in disk, barrel.Structure is simple, in use, placing rock specimens in sample box, Reperfu- sion magnetic fluid makes magnetic fluid unrestrained
Rock specimens are crossed, easy to connect using the adsorption of suction tray and supporting plate, difficult to slide, when test is more stable, and sample box is saturating
It is bright, convenient for observe and perfusion magnetic fluid, scale convenient for record test before and test after data, suction tray use silica gel, upper one
When the bottom of the support plate of layer contacts sealing with the box mouth of sample box, suction tray is squeezed, keeps it flexible, sealing performance is more preferable.
In the preferred scheme, electromagnet group includes the multiple independent energization solenoids being distributed in hollow housing.
Structure is simple, and when test, closing electromagnets group generates variable magnetic field between electromagnet group and supporting plate, and variable magnetic field drives magnetic
Fluid flows in rock specimens realizes test measurement, it is preferable that supporting plate is nonmagnetic steel or bakelite plate, and when measurement is conducive to magnetic force
Line passes through, and measures more accurate.
In the preferred scheme, the operating method of the experimental provision of rock specimens porosity is as above measured, it includes as follows
Step:
S1, electromagnet group installation, electromagnet group is placed on, vertical corresponding with the supporting plate on top；
S2, sliding seat installation, by the sliding slot on the sliding rail insertion column of sliding seat, the upper side of screw fastener head is lower than pedestal
The slot bottom of horizontal concrete chute；
S3, supporting plate installation, by the horizontal concrete chute on supporting plate on the pedestal of the sliding block insertion sliding seat of T-shaped structure, supporting plate is along vertical
Column two sides level is slidably matched, and rotary screw makes the upper side of fastener head be higher than the slot bottom of pedestal horizontal concrete chute, and it is de- to limit supporting plate
Horizontal concrete chute out, at this point, sliding seat can be slided along uprights vertical；
S4, sample prepare, rock specimens are put into sample box, magnetic fluid is poured into, magnetic fluid covers sample；
S5, sample box installation, the suction tray of sample box bottom is adsorbed on supporting plate, the opening up box mouth of sample box and upper one
The bottom of layer supporting plate contacts closing；
S6, fixed sliding seat cooperate threaded hole of the supporting plate on column upward sliding, screw and column, and supporting plate is in limit
State will not be slided along column, be kept with electromagnet group in the spacing of setting；
S7 adjusts sliding seat, unscrews the screw on sliding seat, and supporting plate can be slided up and down along column, according to test requirements document by sample
Box be adjusted to electromagnet group in the distance range of setting after, the threaded hole on rotary screw and column cooperates, and supporting plate is in
Limit state.This method is simple, easy to operate, and test efficiency is high, and adaptability is good.
It is a kind of measure rock specimens porosity experimental provision and operating method, it include support frame, sliding seat, supporting plate,
Sample box and electromagnet group can vertical sliding motions by being arranged on column by the way that electromagnet group is arranged on the bottom plate of support frame
Multiple supporting plates of positioning seal box mouth by supporting plate, by the quantity for increasing supporting plate by the way that sample box is arranged between multiple supporting plates
The quantity for increasing sample box adjusts measuring distance by vertical sliding motion supporting plate.The present invention overcomes the surveys of geological diagnostics sample porosity
It when amount, is not easy to seal, the nonadjustable problem of measuring distance, good seal performance simple with structure, measuring distance and test sample
Quantity it is adjustable, adaptability is good, feature simple to operate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic front view of Fig. 1.
Fig. 3 is the structural schematic diagram that column of the present invention is connected with sliding seat.
Fig. 4 is the schematic front view of Fig. 3.
Fig. 5 is the schematic top plan view of Fig. 3.
Fig. 6 is the structural schematic diagram of sample of the present invention box.
Fig. 7 is the distribution schematic diagram of the magnetic line of force when the invention works.
In figure: support frame 1, bottom plate 11, column 12, crossbeam 13, sliding slot 14, threaded hole 15, sliding seat 2, fixed plate 21 are sliding
Rail 22, pedestal 23, screw 24, supporting plate 3, sample box 4, suction tray 41, scale 42, electromagnet group 5.
Specific embodiment
In Fig. 1 ~ 7, a kind of experimental provision measuring rock specimens porosity, it includes support frame 1, sliding seat 2, supporting plate
3, sample box 4 and electromagnet group 5；The sliding seat 2 is positioned with the cooperation of 1 vertical sliding motion of support frame, and supporting plate 3 and sliding seat 2 are horizontal
It is slidably connected, for sample box 4 between supporting plate 3, magnetic fluid 5 is located at 1 bottom of support frame；Between the electromagnet group 5 and supporting plate 3
Variable magnetic field is formed when energization.Structure is simple, by the way that electromagnet group 5 is arranged on the bottom plate 11 of support frame 1, by column 12
Upper setting can vertical sliding motion positioning multiple supporting plates 3, by between multiple supporting plates 3 be arranged sample box 4, by 3 seal box of supporting plate
Mouthful, the quantity by increasing supporting plate 3 increases the quantity of sample box 4, adjusts measuring distance, leakproofness by vertical sliding motion supporting plate 3
Can be good, the quantity of measuring distance and test sample is adjustable, and adaptability is good, simple to operate.
In preferred scheme, support frame as described above 1 include with the column 12 connected vertically of bottom plate 11, with 12 horizontal connection of column
Crossbeam 13, sliding seat 2 and column 12 cooperate.Structure is simple, in use, 11 stress of bottom plate of support frame 1, the support branch of column 12
The column 12 of two sides is connected as one by the weight of plate 3, crossbeam 13 and bottom plate 11, and sliding seat 2 is stablized when sliding along column 12, knot
Structure intensity is high.
In preferred scheme, the sliding slot 14 of T-shaped structure is set, setting is multiple positioned at the two sides of sliding slot 14 on the column 12
Threaded hole 15.Structure is simple, and when installation, sliding slot 14 and the sliding rail 22 of sliding seat 2 on column 12 are slidably matched, threaded hole 15 with
The screw 24 of sliding seat 2 cooperates positioning, quick and easy for installation, is conveniently adjusted.
In preferred scheme, the sliding seat 2 includes the sliding rail 22 connecting with 21 side of fixed plate, is connect with the other side
Pedestal 23, and the screw 24 positioned at 21 two sides of fixed plate.Structure is simple, and when installation, the sliding rail 22 of sliding seat 2 is inserted into column 12
On sliding slot 14 in slide up and down, screw 24 passes through fixed plate 21 and column 12 and positions, position it is convenient and efficient, it is easy to operate.
In preferred scheme, the sliding rail 22 is that the sliding slot 14 in T-shaped structure, with column 12 is slidably matched, and screw 24 is worn
It crosses fixed plate 21 and connect positioning with the threaded hole 15 of 12 two sides of column.Structure is simple, and when installation, sliding rail 22 and sliding slot 14 are T shape
The structure of mating connection is stablized when sliding, is not easy to pull after stress, is positioned using screw 24 and the cooperation of threaded hole 15, connection side
Just, it is convenient and efficient when height adjusts.
In preferred scheme, the supporting plate 3 is plate, and side is provided with the sliding block and 2 upper pedestal 23 of sliding seat of T-shaped structure
Horizontal concrete chute be slidably matched.Structure is simple, when installation, the supporting plate 3 being slidably matched with 23 level of pedestal of sliding seat 2, and installation
Convenient disassembly is quick, it is preferable that as needed, multiple sliding seats 2 can be arranged on column 12 and cooperate with multiple supporting plates 3, formed
Multilayered structure is placed multiple sample box 4 and is tested, and interlayer is every can adjust, and test efficiency is higher, better adaptability.
In preferred scheme, the sample box 4 is the hollow transparent cylinder of upper end opening, and downward opening suction is arranged in bottom
Scale 42 is arranged in attached disk 41, barrel.Structure is simple, in use, placing rock specimens in sample box 4, Reperfu- sion magnetic fluid allows magnetic
Fluid covers rock specimens, easy to connect using the adsorption of suction tray 41 and supporting plate 3, difficult to slide, tests Shi Gengwen
Fixed, sample box 4 is transparent, and convenient for observation and magnetic fluid is perfused, and scale 42 is convenient for the preceding data with after test of record test, suction tray
41 use silica gel, when upper one layer of supporting plate, 3 bottom contacts sealing with the box mouth of sample box 4, squeeze suction tray 41, keep it flexible,
Sealing performance is more preferable.
In preferred scheme, the electromagnet group 5 includes the multiple independent energization helicals being distributed in hollow housing
Pipe.Structure is simple, and when test, closing electromagnets group 5 generates variable magnetic field, variable magnetic field between electromagnet group 5 and supporting plate 3
Driving magnetic fluid flow in rock specimens realizes test measurement, it is preferable that supporting plate 3 is nonmagnetic steel or bakelite plate, and when measurement has
It passes through, measures more accurate conducive to the magnetic line of force.
In preferred scheme, the operating method of the experimental provision as described above for measuring rock specimens porosity, it includes
Following steps:
S1, electromagnet group installation, electromagnet group 5 is placed on bottom plate 11, vertical corresponding with the supporting plate 3 on top；
The sliding rail 22 of sliding seat 2 is inserted into the sliding slot 14 on column 12, the upside of 24 fastener head of screw by S2, sliding seat installation
Face is lower than the slot bottom of 23 horizontal concrete chute of pedestal；
S3, supporting plate installation, the sliding block of T-shaped structure on supporting plate 3 is inserted into the horizontal concrete chute on the pedestal 23 of sliding seat 2, supporting plate 3
It being slidably matched along 12 two sides level of column, rotary screw 24 makes the upper side of fastener head higher than the slot bottom of 23 horizontal concrete chute of pedestal,
It limits supporting plate 3 and deviates from horizontal concrete chute, at this point, sliding seat 2 can be along 12 vertical sliding motion of column；
S4, sample prepare, rock specimens are put into sample box 4, magnetic fluid is poured into, magnetic fluid covers sample；
S5, sample box installation, the suction tray 41 of 4 bottom of sample box is adsorbed on supporting plate 3, the opening up box mouth of sample box 4
Closing is contacted with the bottom of upper one layer of supporting plate 3；
S6, fixed sliding seat cooperate threaded hole 15 of the supporting plate 3 on 12 upward sliding of column, screw 24 and column 12, supporting plate
3 are in limit state, will not slide along column 12, keep with electromagnet group 5 in the spacing of setting；
S7 adjusts sliding seat, unscrews the screw 24 on sliding seat 2, supporting plate 3 can be slided up and down along column 12, according to test requirements document
By sample box 4 be adjusted to electromagnet group 5 in the distance range of setting after, threaded hole 15 on rotary screw 24 and column 12
Cooperation, supporting plate 3 are in limit state.This method is simple, easy to operate, and test efficiency is high, and adaptability is good.
The experimental provision and operating method of measurement rock specimens porosity as described above, when installing and using, in support frame 1
Bottom plate 11 on be arranged electromagnet group 5, on column 12 setting can vertical sliding motion positioning multiple supporting plates 3, multiple supporting plates 3 it
Between be arranged sample box 4, by supporting plate 3 seal box mouth, increase supporting plate 3 quantity increase sample box 4 quantity, vertical sliding motion supporting plate 3
The quantity of adjustment measuring distance, good seal performance, measuring distance and test sample is adjustable, and adaptability is good, simple to operate.
In use, 11 stress of bottom plate of support frame 1, column 12 supports the weight of supporting plate 3, crossbeam 13 and bottom plate 11 by two sides
Column 12 be connected as one, sliding seat 2 is stablized when sliding along column 12, and structural strength is high.
When installation, sliding slot 14 and the sliding rail 22 of sliding seat 2 on column 12 are slidably matched, threaded hole 15 and sliding seat 2
The cooperation positioning of screw 24, it is quick and easy for installation, it is conveniently adjusted.
When installation, slided up and down in the sliding slot 14 that the sliding rail 22 of sliding seat 2 is inserted on column 12, screw 24 passes through fixed plate
21 position with column 12, and positioning is convenient and efficient, easy to operate.
When installation, sliding rail 22 and sliding slot 14 are the structure that T shape is cooperatively connected, and when sliding stablizes, and are not easy to pull after stress, adopt
It is positioned with screw 24 and the cooperation of threaded hole 15, easy to connect, height is convenient and efficient when adjusting.
When installation, the supporting plate 3 being slidably matched with 23 level of pedestal of sliding seat 2 is easy for assemble or unload quick, it is preferable that
As needed, multiple sliding seats 2 can be arranged on column 12 to cooperate with multiple supporting plates 3, form multilayered structure, place multiple samples
Box 4 is tested, and interlayer is every can adjust, and test efficiency is higher, better adaptability.
In use, placing rock specimens in sample box 4, Reperfu- sion magnetic fluid allows magnetic fluid to cover rock specimens, using suction
The adsorption of attached disk 41 and supporting plate 3, easy to connect, difficult to slide, when test, is more stable, and sample box 4 is transparent, convenient for observation and
Magnetic fluid is perfused, scale 42 uses silica gel, upper one layer of supporting plate 3 convenient for the data before record test and after test, suction tray 41
When bottom contacts sealing with the box mouth of sample box 4, suction tray 41 is squeezed, keeps it flexible, sealing performance is more preferable.
When test, closing electromagnets group 5 generates variable magnetic field, variable magnetic field driving between electromagnet group 5 and supporting plate 3
Magnetic fluid flows in rock specimens realizes test measurement, it is preferable that supporting plate 3 is nonmagnetic steel or bakelite plate, and when measurement is conducive to
The magnetic line of force passes through, and measures more accurate.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (9)
1. a kind of experimental provision for measuring rock specimens porosity, it is characterized in that: it includes support frame (1), sliding seat (2), branch
Plate (3), sample box (4) and electromagnet group (5)；The sliding seat (2) and the cooperation of support frame (1) vertical sliding motion position, supporting plate (3)
It is slidably connected with sliding seat (2) level, sample box (4) is located between supporting plate (3), and magnetic fluid (5) is located at support frame (1) bottom；
Variable magnetic field is formed when being powered between the electromagnet group (5) and supporting plate (3).
2. the experimental provision of measurement rock specimens porosity according to claim 1, it is characterized in that: support frame as described above (1)
Including with bottom plate (11) column connected vertically (12), with column (12) crossbeam connected horizontally (13), sliding seat (2) and column
(12) cooperate.
3. the experimental provision of measurement rock specimens porosity according to claim 2, it is characterized in that: on the column (12)
The sliding slot (14) of T-shaped structure is set, and multiple threaded holes (15) are arranged in the two sides for being located at sliding slot (14).
4. the experimental provision of measurement rock specimens porosity according to claim 2, it is characterized in that: the sliding seat (2)
Including the sliding rail (22) connecting with fixed plate (21) side, the pedestal connecting with the other side (23), and it is located at fixed plate (21)
The screw (24) of two sides.
5. the experimental provision of measurement rock specimens porosity according to claim 4, it is characterized in that: the sliding rail (22) is
Sliding slot (14) in T-shaped structure, with column (12) is slidably matched, and screw (24) passes through fixed plate (21) and column (12) two sides
Threaded hole (15) connection positioning.
6. the experimental provision of measurement rock specimens porosity according to claim 1, it is characterized in that: the supporting plate (3) is
Plate, the horizontal concrete chute that side is provided with the sliding block and sliding seat (2) upper pedestal (23) of T-shaped structure are slidably matched.
7. the experimental provision of measurement rock specimens porosity according to claim 1, it is characterized in that: the sample box (4)
For the hollow transparent cylinder of upper end opening, downward opening suction tray (41) is arranged in bottom, and scale (42) are arranged in barrel.
8. the experimental provision of measurement rock specimens porosity according to claim 1, it is characterized in that: the electromagnet group
It (5) include the multiple independent energization solenoids being distributed in hollow housing.
9. the operating method of the experimental provision of described in any item measurement rock specimens porositys according to claim 1 ~ 8, special
Sign is that it includes the following steps:
S1, electromagnet group installation, electromagnet group (5) is placed on bottom plate (11), vertical corresponding with the supporting plate (3) on top；
S2, sliding seat installation, by the sliding slot (14) in sliding rail (22) insertion column (12) of sliding seat (2), screw (24) is tight
Gu the upper side of head is lower than the slot bottom of pedestal (23) horizontal concrete chute；
S3, supporting plate installation, by the horizontal concrete chute on supporting plate (3) on the pedestal (23) of sliding block insertion sliding seat (2) of T-shaped structure
Interior, supporting plate (3) is slidably matched along column (12) two sides level, and rotary screw (24) makes the upper side of fastener head be higher than pedestal (23)
The slot bottom of horizontal concrete chute, horizontal concrete chute is deviate from limitation supporting plate (3), at this point, sliding seat (2) can be along column (12) vertical sliding motion；
S4, sample prepare, and rock specimens are put into sample box (4), pour into magnetic fluid, magnetic fluid covers sample；
S5, sample box installation, the suction tray (41) of sample box (4) bottom is adsorbed on supporting plate (3), sample box (4) opening court
On box mouth contact closing with the bottom of upper one layer of supporting plate (3)；
S6, fixed sliding seat, by threaded hole of the supporting plate (3) on column (12) upward sliding, screw (24) and column (12)
(15) cooperate, supporting plate (3) is in limit state, will not slide along column (12), keeps the spacing with electromagnet group (5) in setting
It is interior；
S7 adjusts sliding seat, unscrews the screw (24) on sliding seat (2), and supporting plate (3) can be slided up and down along column (12), according to
Test requirements document by sample box (4) be adjusted to electromagnet group (5) in the distance range of setting after, rotary screw (24) and column
(12) threaded hole (15) cooperation on, supporting plate (3) are in limit state.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110095398A (en) * | 2019-05-05 | 2019-08-06 | 三峡大学 | Utilize the device and method of magnetic fluid measurement porosity |
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