CN109283062A - A kind of detection device of performances of rock - Google Patents
A kind of detection device of performances of rock Download PDFInfo
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- CN109283062A CN109283062A CN201811422266.XA CN201811422266A CN109283062A CN 109283062 A CN109283062 A CN 109283062A CN 201811422266 A CN201811422266 A CN 201811422266A CN 109283062 A CN109283062 A CN 109283062A
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- compressive force
- end socket
- axial compressive
- rock
- cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0411—Chucks, fixtures, jaws, holders or anvils using pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material 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
The present invention provides a kind of detection devices of performances of rock, comprising: cylinder, rubber sleeve, the first positioning ring, the second positioning ring, the first locking cap and the second locking cap, the first end socket and the second end socket and axial pressure component；Axial pressure component includes axial compressive force cylinder and axial compressive force piston, and axial compressive force piston is connected by axial compressive force nut with the first end socket, and the first end socket applies axial compressive force to rock to be measured by sliding axially for axial compressive force piston；First end socket and the second end socket respectively with the first locking cap and the second locking cap is removable is connected.The present invention has the advantages that be easy to dismount, convenient for cleaning, sealing effect is good, plug length is adjustable, experimental error is small, applied widely.
Description
Technical field
The present invention relates to a kind of a kind of detection of rock reservoir physical simulation experimental rig more particularly to performances of rock dresses
It sets.
Background technique
It is well known that exploitation experiment is the basis of oil-gas field development, can not only be calculated for the reserves of oil-gas reservoir, exploitation side
The work such as case establishment, reservoir numerical simulation provide basic oil deposit parameter, additionally it is possible to solve many encountered in oil reservoir development
Problem providing method guarantees.Rock clamper is one of widest infrastructure component of purposes, nearly all exploitation in exploitation experiment
Experiment will use rock clamper.
Currently, existing rock detection device mainly divides two types according to pressuring method, one is Kazakhstan (Hassler)
Rock clamper, it is placed on rock in one round rubber set, is placed one respectively at rock both ends and is led to center
The steel cylinder plug in hole is connected to pipeline in the through-hole of plug respectively, Experimental Flowing Object can be made to flow through rock by pipeline.Rubber
It is placed in a round steel cylinder and forms closed annular space with steel cylinder, when to annular space injection highly pressurised liquid, high pressure
The pressure of liquid acts on rubber sleeve outer wall, and rubber sleeve can be made to deform and generated to the radial pressure of rock, but this type
The clamper of type cannot generate axial compressive force, therefore its physical parameter for measuring rock cannot really reflect stratum stress condition.
Another is a kind of detection device of performances of rock, it is improved on the basis of Kazakhstan clamper, in clamper
One end increases axial pressurizing device.Although a kind of detection device of this performances of rock can generate axial compressive force to rock,
But there are still have following some shortcomings for it: during measuring rock, after one block of rock of every measurement, will to plug and
Rubber sleeve is cleaned, and otherwise remaining rock particles and foul will cause poorly sealed between plug and rubber sleeve, to lead
Cause fluid leakage；Also, since axial pressurizing device is fixed on one end of clamper, and the plug being connected with axial pressurizing device
It fixes therewith, therefore causes handling sample and cleaning difficulty and do not wash clean defect clearly, directly affect measurement effect, and surveying
It during amount, if sample length variation is very greatly, needs by filling block, causes difficult to load and unload, and cause to import and export dead volume
It increases, experimental error is caused to increase.
Summary of the invention
To overcome following problems existing in the prior art, sealed not between the plug and rubber sleeve of existing detection device
Sternly, so as to cause fluid leakage, and axial pressurizing device is to be fixedly connected with plug, it is not easy to clean, if while sample it is long
Degree variation is very big, then needs by filling block, causes difficult to load and unload, causes experimental error to increase, the present invention provides a kind of rocks
The detection device of stone performance, a kind of detection device of performances of rock characterized by comprising cylinder, rubber sleeve, the first positioning
Ring and the second positioning ring, the first locking cap and the second locking cap, the first end socket, the second end socket and axial pressure component, the rubber
Gum cover is axially disposed along cylinder, the rubber sleeve have for accommodate rock to be measured and axially through cavity, described the
One positioning ring and the second positioning ring are located at the two-port of rubber sleeve, the both ends of first locking cap and the second locking cap and cylinder
It is threadedly coupled, first locking cap and the second locking cap the side Xiang Ding with first positioning ring and the second positioning ring respectively
It supports, first end socket and the second end socket are locked axially through first locking cap and second respectively by the outside of the cylinder
Tight cap, the axial pressure assembly set is loaded on the outer wall of first end socket.
On this basis, between the outer wall of the rubber sleeve and the cylinder inboard wall there is certain interval to form radial confining pressure
Space.
On this basis, first end socket and the second end socket stretch in the cavity of the rubber sleeve, and contact respectively
In the two side ends of the rock to be measured.
On this basis, the axial pressure component includes axial compressive force cylinder and axial compressive force piston, the axial pressure
Power cylinder is fixedly mounted on the outside of first locking cap, and the axial compressive force piston is movably installed in the axial compressive force cylinder
Interior, for the axial compressive force piston bush loaded on the outer wall of first end socket, the axial compressive force piston can be along first envelope
Head slides axially, and the axial compressive force piston is connected by axial compressive force nut with first end socket, first envelope
Head applies axial compressive force to the rock to be measured by sliding axially for the axial compressive force piston.
On this basis, first end socket is to adjust plug, and the adjusting plug includes the first rod-shaped end socket main body
And shackle, offer several card slots continuously in axial direction on first end socket main body, the shackle with it is described
It is connected on the outside of axial compressive force nut, and is snapped connection with the card slot for adjusting plug, the shackle is by C-shaped gold
The spring for belonging to ring and the connection becket both ends is constituted.
On this basis, the axial compressive force nut includes circular cap body, axially convex in a lateral edge of the cap body
Equipped with cylindric joint portion, institute is inserted in along clamping part, the cylindrical shape joint portion is axially arranged in the other side of the cap body
State between the inner wall of axial compressive force piston and the outer wall of first end socket main body, it is described cylindrical shape joint portion outer wall with it is described
The inner thread of axial compressive force piston connects, and the groove that the side of the clamping part and the shackle opens up is clasped.
On this basis, the radial pressure being connected with the confining pressure space is offered respectively on the outer wall of the cylinder
Inlet opening and radial pressure gas vent；It is offered respectively on the outer wall of the axial compressive force cylinder and the axial compressive force cylinder
The axial compressive force inlet opening and axial compressive force gas vent that inside is connected.
On this basis, first positioning ring and the second positioning ring include pedestal and frustum-like shape joint portion, and described section
Cone cell joint portion protrudes out setting towards the rubber sleeve, and is plugged in the two sides port of the rubber sleeve, the frustum-like shape respectively
The inner wall of the outer wall at joint portion and the rubber sleeve is interference fitted.
On this basis, the pedestal of the pedestal of first positioning ring and the second positioning ring and the cylinder inner wall it
Between be respectively equipped with sealing ring.
On this basis, the first row stomata for penetrating through first end socket main body is axially offered along first end socket main body
With the first inlet opening, the first fluid hole for penetrating through second end socket is axially offered along second end socket.
Compared with prior art, the beneficial effects of the present invention are:
1, axial pressure component of the invention and radial confining pressure device are mutually indepedent, thus may be implemented it is radial and axial respectively plus
Pressure, can also simulate hydrostatic conditions, i.e., axially and radially be pressurizeed simultaneously with a pressure source, improve detection accuracy and detection
Quality.
2, removable plug is respectively set in the two sides of rock to be measured in the present invention, is not only convenient for the dismounting of rock to be measured, but also
When clearing up clamper inside, the first end socket and the second end socket be able to can be removed respectively after the completion of rock to be measured detects
It is cleared up again, improves Integral cleaning quality, remaining rock particles and foul is avoided to cause to seal between plug and gum cover
It is not tight, and lead to the generation of fluid leakage phenomenon, and increase the reliability of sealing.
3, the present invention uses fast-assembling interface structure between the second end socket and the second locking cap, and plug dead volume is small, reduces
Experimental error.And have dismounting and change gum cover and handling sample convenient, time saving advantage.
4, the present invention is equipped with the first end socket of adjustable length, can quickly be adjusted, be avoided existing according to different length sample
There is the experimental error as caused by filling block dead volume in technology.
5, the entire grease access favorable sealing property of the present invention, connects without spiral shell button on grease access, avoids due to spiral shell button
Spiral shell buckles the damage to sample when the airtightness and handling sample of corrosion impact device.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of the detection device of performances of rock of the present invention；
Fig. 2 is the structural schematic diagram of shackle of the invention (in Fig. 1 A-A to)；
Fig. 3 is the structural schematic diagram of axial compressive force nut of the invention.
In figure: 1, cylinder, 2, rubber sleeve, the 3, first positioning ring, 31, left pedestal, 32, left frustum-like shape joint portion, 4, second
Positioning ring, Right socle 41, Right socle, right frustum-like shape joint portion 42, right frustum-like shape joint portion, the 5, first locking cap, the 6, second lock
Tight cap, 61, concave part, the 7, first end socket, the 71, first end socket main body, 72, shackle, 73, card slot, 74, C-shaped becket,
75, spring, 76, groove, 77, first row stomata, the 78, first inlet opening, the 8, second end socket, 81, lug boss, 82, first goes out liquid
Hole, 9, axial pressure component, 91, axial compressive force cylinder, 92, axial compressive force piston, 10, rock to be measured, 11, axial compressive force spiral shell
Cap, 12, cap body, 13, cylindric joint portion, 14, clamping part, 15, radial pressure inlet opening, 16, radial pressure gas vent, 17,
Sealing ring, 18, confining pressure space, 19, sealing ring, 20, axial compressive force room, 21, axial compressive force inlet opening, 22, axial compressive force row
Stomata.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to FIG. 1, for a kind of the schematic diagram of the section structure of the detection device of performances of rock of the present invention.As shown, this
Invent a kind of detection device of the performances of rock proposed, including cylinder 1, rubber sleeve 2, the first positioning ring 3, the second positioning ring 4, the
One locking cap 5 and the second locking cap 6 further include the first end socket 7, the second end socket 8 and for the rock to be measured 10 into rubber sleeve 2
Apply the axial pressure component 9 of axial compressive force.Wherein, rubber sleeve 2 be axially arranged on cylinder 1 axially through cavity in, rubber
Gum cover 2 have axially through cavity, for accommodating rock 10 to be measured.First positioning ring 3 and the second positioning ring 4 are inserted in respectively
At the two-port of rubber sleeve 2, for fixing the position of rubber sleeve 2.Have between 1 inner wall of outer wall and cylinder of rubber sleeve 2 certain
Gap forms radial confining pressure space 18, by the input pressure liquid into radial confining pressure space 18, so that confining pressure space 18 is radial
Radial pressure is transferred to rock 10 to be measured by rubber sleeve 2, realizes the function for applying radial pressure to rock 10 to be measured by expansion
Effect.The first locking cap 5 and the second locking cap 6, and the first locking cap 5 and the second locking cap 6 are respectively equipped in two end sides of cylinder 1
It is threadedly coupled respectively with the side wall of cylinder 1, the first locking cap 5 and the second locking cap 6 are positioned with the first positioning ring 3 and second respectively
The side phase contact of ring 4, to clamp the first positioning ring 3 and the second positioning ring 4.First end socket 7 and the second end socket 8 are by cylinder 1
Outside stretches in the cavity of rubber sleeve 2 respectively axially through the first locking cap 5 and the second locking cap 6, and the first locking
Cap 5 and the second locking cap 6 difference contact are in the two side ends of rock 10 to be measured, so that rock 10 to be measured is axially fixed.It is axial
Pressure-applying unit 9 is set on the outer wall of the first end socket 7, for applying axial compressive force, the axial pressure component to rock 10 to be measured
9 include the axial direction for being fixedly arranged on the axial compressive force cylinder 91 in 5 outside of the first locking cap and being movably installed in axial compressive force cylinder 91
Pressure piston 92, axial compressive force piston 92 are set on the outer wall of the first end socket 7, and axial compressive force piston 92 can be along the first end socket 7
Slide axially.Axial compressive force piston 92 is connected by axial compressive force nut 11 with the first end socket 7, so that axial compressive force
Piston 92 slides axially under the action of externally input pressure fluid and the first end socket 7 is driven to apply axial direction to rock 10 to be measured
Pressure, to realize to 10 axial pressure of rock to be measured.In this way, by the input pressure liquid into radial confining pressure space 18, it is real
Show and radial pressure is applied to rock 10 to be measured, and has driven the first end socket 7 to apply to rock 10 to be measured by axial pressure component 9
Axial compressive force realizes and applies axial compressive force to rock 10 to be measured, and then realizes to the radial and axial difference of rock 10 to be measured
Pressurization also achieves axially and radially with an impressed pressure source while the effect of pressurize.
Also, the first end socket 7 and the second end socket 8 respectively with the first locking cap 5 and the second locking cap 6 is removable is connected
It connects.So not only be convenient for rock to be measured dismounting, but also can rock to be measured detect after the completion of, when clearing up clamper inside,
First end socket 7 and the second end socket 8 are removed clear up again respectively, Integral cleaning quality is improved, avoids remaining rock
Grain and foul cause poorly sealed between plug and gum cover, and lead to the generation of fluid leakage phenomenon.
As an improvement of the present invention, the first end socket 7 is to adjust plug, which includes the first rod-shaped envelope
Head ontology 71 and shackle 72, along the axial first exhaust for offering perforation first end socket main body 71 of the first end socket main body 71
Hole 77 and the first inlet opening 78, offer several card slots 73, shackle 72 continuously in axial direction on the first end socket main body 71
It is connected with the outside of axial compressive force nut 11, and is snapped connection with the card slot 73 for adjusting plug 7, such axial compressive force nut 11
It is removably connected together between plug 7 by shackle 72 adjusting, according to the physical length size of rock 10 to be measured,
Adjustable shackle 72 is matched with the card slot 73 of different location, is reached the first end socket main body 71 of adjusting and is protruded into rubber sleeve 2
The effect of length in cavity has adjustable range big so that the present invention can be used for measuring the rock of different length, without installing circle additional
The advantages of column cushion block.Also, since shackle 72 and the first end socket main body 71 connect and fix, after the completion of rock detection, only
Shackle 72 need to be removed, there can be convenient disassembly by the first end socket main body 71 by extracting in clamper.
Further, referring to FIG. 2, being the structural schematic diagram of shackle of the invention.As shown in Fig. 2, shackle
72 are made of the spring 75 of C-shaped becket 74 and connection becket both ends.Spring 75 plays the work for tensing C-shaped becket 74
With being further ensured that 71 clamping fixed of shackle 72 and the first end socket main body.
As a kind of optional embodiment of the present invention, as shown in figure 3, the structure for axial compressive force nut of the invention is shown
It is intended to.Axial compressive force nut 11 of the invention includes circular cap body 12, is axially convexly equipped with cylinder in a lateral edge of cap body 12
Shape joint portion 13, in the other side of cap body 12 along clamping part 14 is axially arranged with, it is living that cylindric joint portion 13 is inserted in axial compressive force
Between the inner wall of plug 92 and the outer wall of the first end socket main body 71, the outer wall at cylindric joint portion 13 is interior with axial compressive force piston 92
Wall be threadedly coupled so that axial compressive force nut 11 link together with axial compressive force piston 92 and with axial compressive force piston 92 together
Axial movement.The groove 76 that the side of clamping part 14 and shackle 72 opens up is clasped so that axial compressive force nut 11 with
Shackle 72 links together, and such axial pressure component 9 passes through axial compressive force nut 11 and shackle 72 for axial shifting
The raw pressure of movable property is transferred to the first end socket main body 71, then applies axial force from the first end socket main body 71 to rock 10 to be measured.
As a kind of optional embodiment of the present invention, as shown in Figure 1, being used between the second end socket 8 and the second locking cap 6
Fast-assembling interface structure.In particular, being equipped with radial protrusion portion 81 in the second end socket 8, the second locking cap 6 opens up radial groove portion
61, the second end socket 8 is removably connected with second locking cap 6 one by lug boss 81 and being clasped for concave part 61
It rises, to realize the fast assembling-disassembling of 8 side of the second end socket.Second end socket 8 be axially arranged with penetrate through second end socket 8 first go out liquid
Hole 82.During installation, the front of the second end socket 8 passes through in the second positioning ring 4 insertion rubber sleeve 2, and is resisted against one end face of rock
On, the lug boss 81 of the rear part and second locking cap 6 are each other fast-assembling interface structure, so that the second locking cap 6 and second
End socket 8 is fastened, and is spirally connected with the outer wall of cylinder 1.The quick fixation structure of second end socket 8 have it is easy to disassemble, save space, subtract
The small dead volume of lower end fluid hole.
Further, as shown in Figure 1, offering the radial direction being connected with confining pressure space 18 respectively on the outer wall of cylinder 1
Pressure inlet opening 15 and radial pressure gas vent 16 enable pressure fluid to enter confining pressure sky by radial pressure inlet opening 15
Between in 18, confining pressure space 18 expands, and rubber sleeve is radially compressed, so that generating radial pressure to rock 10 to be measured, while confining pressure is empty
Between in 18 gas can be discharged by radial pressure gas vent 16, in favor of the expansion of confining pressure space 18.In axial compressive force cylinder 91
The axial compressive force inlet opening 21 and axial compressive force gas vent being connected with inside axial compressive force cylinder 91 are offered on outer wall respectively
22, enable pressure fluid to enter to 91 inside of axial compressive force cylinder by axial compressive force inlet opening 21 and pushes axial compressive force
Piston moves radially, while 91 internal gas of axial compressive force cylinder can be discharged by axial compressive force gas vent 22, to realize
The first end socket 7 is driven to apply axial compressive force to rock 10 to be measured.
Further, as shown in Figure 1, the first positioning ring 3 and the second positioning ring 4 respectively include left pedestal 31, Right socle 41
With left frustum-like shape joint portion 32, right frustum-like shape joint portion 42, left frustum-like shape joint portion 32, right frustum-like shape joint portion 42 are towards rubber
2 setting of set, and is plugged in the two sides port of rubber sleeve respectively, left frustum-like shape joint portion 32, right frustum-like shape joint portion 42 outer wall
It is interference fitted with the inner wall of rubber sleeve 2, so that the two-port of rubber sleeve 2 is on a left side for the first positioning ring 3 and the second positioning ring 4
Frustum-like shape joint portion 32, right frustum-like shape joint portion 42 support to be radially expanded under effect, so that the outer wall both ends of rubber sleeve 2 are distinguished
It is fitted closely with the inner wall of cylinder 1, to ensure that the leakproofness in confining pressure space 18.
Further, as shown in Figure 1, in the left pedestal 31 of the first positioning ring 3 and the pedestal Right socle 41 of the second positioning ring 4
Sealing ring 17 is respectively equipped between the inner wall of cylinder 1, to be further ensured that the leakproofness of structure.First positioning ring, 3 He
Second positioning ring 4 is cylindrical metallic ring, and when installation, first positioning ring 3 and the second positioning ring 4 are installed in cylinder 1, and first
The left pedestal 31 of positioning ring 3 and the second positioning ring 4, Right socle 41 are bonded with 1 barrel of cylinder, and the first positioning ring 3 and second is fixed
Sealing ring 17 is set between position ring 4 and cylinder 1；Left frustum-like shape joint portion 32, right frustum-like shape joint portion 42 are inserted into 2 liang of rubber sleeve respectively
End, 2 both ends barrel of rubber sleeve is propped up by it to be expanded outwardly, and is bonded with 1 inner wall of cylinder, thus outside 1 inner wall of cylinder and rubber sleeve 2
Closed annular radial confining pressure space 18 is formed between wall.
Further, the cavity of rubber sleeve 2 is cylindrical or cuboid or other suitable shapes, to be suitable for not
The rock to be measured 10 of similar shape.In the present embodiment, the internal diameter of cavity is 2.5cm or 3.8cm, and the diameter of measured rock is
2.5cm or 3.8cm, length are 3~10cm.
In the present invention, axial compressive force cylinder 91 is tubular structure, and interior side ring sets axial compressive force piston 92, sets between the two
There are two sealing rings 19；Closed annular is formed between the axial compressive force cylinder 91, axial compressive force piston 92 and two sealing rings 19
Axial compressive force room 20；The axial compressive force cylinder 91 is equipped with axial compressive force inlet opening 21 and presses external pressure pump and the axial direction
Power room 20 connects；The axial compressive force cylinder 91 is equipped with the connection axial compressive force room 20 of axial compressive force gas vent 22 and axially
Outside pressure cylinder 91, to guarantee that the gas in axial compressive force room 20 is smoothly discharged.Axial compressive force of the invention passes through as follows
Process is realized: firstly, pressure pump startup, oil enters axial compressive force room 20 by axial compressive force inlet opening 21, and axial compressive force is held
20 volume of room, which expands, pushes axial pressure piston 92 mobile axially towards 6 direction of the first locking cap, and by spiral shell cingulum moving axis to
Pressure nut 11 is mobile, and axial compressive force nut 11 is fixed on the first end socket 7, so that the first end socket 7 be driven to move to rock direction
It is dynamic, axial confining pressure thus is applied to rock.
During installation, the front of the first end socket main body 71 passes through axial compressive force cylinder 91, the first locking cap 5 and the to the present invention
One positioning ring 3 is inserted into the rubber sleeve 2；The front end face of first end socket main body 71 is resisted against on a side end face of rock；Axial pressure
Power nut 11 is sheathed on outside the first end socket main body 71,11 outside screw of axial compressive force nut and 92 inside of axial compressive force piston
It is threadedly engaged；Axial compressive force nut 11 is fixed on 73 position of respective card slot of the first end socket main body 71 by shackle 72, lock
Tight snap ring 72 can be combined according to the length dimension of rock 10 to be measured with corresponding card slot 73, realize 71 inserting paragraph of the first end socket main body
Length adjustment function.It is 70MPa that the present invention, which designs maximum radial confining pressure, and axial confining pressure is 70MPa, and Fluid pressure is maximum
70MPa can be widely applied to rock porosity, permeability, relative permeability, and rock compressibility, formation sensitivity evaluation is in fact
It tests.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (10)
1. a kind of detection device of performances of rock characterized by comprising cylinder, rubber sleeve, the first positioning ring and the second positioning
Ring, the first locking cap and the second locking cap, the first end socket, the second end socket and axial pressure component, the rubber sleeve is along cylinder
It is axially disposed, the rubber sleeve have for accommodate rock to be measured and axially through cavity, first positioning ring and the
Two positioning rings are located at the two-port of rubber sleeve, and first locking cap and the second locking cap are threadedly coupled with the both ends of cylinder, institute
State the side phase contact of the first locking cap and the second locking cap respectively with first positioning ring and the second positioning ring, described first
End socket and the second end socket are by the outside of the cylinder respectively axially through first locking cap and the second locking cap, the axis
It is set in pressure-applying unit on the outer wall of first end socket.
2. a kind of detection device of performances of rock as described in claim 1, it is characterised in that: the outer wall of the rubber sleeve and institute
Stating between cylinder inboard wall, there is certain interval to form radial confining pressure space.
3. a kind of detection device of performances of rock as claimed in claim 2, it is characterised in that: first end socket and the second envelope
Head stretches in the cavity of the rubber sleeve, and difference contact is in the two side ends of the rock to be measured.
4. a kind of detection device of performances of rock as claimed in claim 3, it is characterised in that: the axial pressure component includes
Axial compressive force cylinder and axial compressive force piston, the axial compressive force cylinder is fixedly mounted on the outside of first locking cap, described
Axial compressive force piston is movably installed in the axial compressive force cylinder, and the axial compressive force piston bush is loaded on first end socket
On outer wall, the axial compressive force piston can sliding axially along first end socket, the axial compressive force piston passes through axial pressure
Power nut is connected with first end socket, first end socket by the axial compressive force piston slide axially to it is described to
It surveys rock and applies axial compressive force.
5. a kind of detection device of performances of rock as claimed in claim 4, it is characterised in that: first end socket is to adjust to block up
Head, the adjusting plug includes rod-shaped the first end socket main body and shackle, is connected on first end socket main body along axial direction
It is continuous to offer several card slots, it is connected on the outside of the shackle and the axial compressive force nut, and blocked up with described adjust
The card slot of head snaps connection, and the shackle is made of the spring of C-shaped becket and the connection becket both ends.
6. a kind of detection device of performances of rock as claimed in claim 5, it is characterised in that: the axial compressive force nut includes
Circular cap body, is axially convexly equipped with cylindric joint portion in a lateral edge of the cap body, in the other side of the cap body along axis
To clamping part is equipped with, the cylindrical shape joint portion is inserted in the inner wall and first end socket main body of the axial compressive force piston
Between outer wall, it is described cylindrical shape joint portion outer wall connect with the inner thread of the axial compressive force piston, the clamping part and
The groove that the side of the shackle opens up is clasped.
7. a kind of detection device of performances of rock as claimed in claim 6, which is characterized in that divide on the outer wall of the cylinder
The radial pressure inlet opening and radial pressure gas vent being connected with the confining pressure space are not offered；In the axial compressive force cylinder
The axial compressive force inlet opening being connected with the axial compressive force inner barrel and axial compressive force row are offered on the outer wall of body respectively
Stomata.
8. a kind of detection device of performances of rock as claimed in claim 7, it is characterised in that: first positioning ring and second
Positioning ring includes pedestal and frustum-like shape joint portion, and the frustum-like shape joint portion protrudes out setting towards the rubber sleeve, and respectively
It is plugged in the two sides port of the rubber sleeve, the outer wall at the frustum-like shape joint portion and the inner wall of the rubber sleeve are interference fitted.
9. a kind of detection device of performances of rock as claimed in claim 8, it is characterised in that: in the base of first positioning ring
Sealing ring is respectively equipped between the inner wall of the pedestal and the cylinder of seat and the second positioning ring.
10. a kind of detection device of performances of rock as claimed in claim 9, it is characterised in that: along first end socket main body
The first row stomata and the first inlet opening for penetrating through first end socket main body are axially offered, is axially offered along second end socket
Penetrate through the first fluid hole of second end socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422266.XA CN109283062A (en) | 2018-11-27 | 2018-11-27 | A kind of detection device of performances of rock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422266.XA CN109283062A (en) | 2018-11-27 | 2018-11-27 | A kind of detection device of performances of rock |
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| CN109283062A true CN109283062A (en) | 2019-01-29 |
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| CN201811422266.XA Pending CN109283062A (en) | 2018-11-27 | 2018-11-27 | A kind of detection device of performances of rock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057686A (en) * | 2019-05-15 | 2019-07-26 | 江苏拓创科研仪器有限公司 | Cover pressure three axle clamp holder of analyzer |
-
2018
- 2018-11-27 CN CN201811422266.XA patent/CN109283062A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057686A (en) * | 2019-05-15 | 2019-07-26 | 江苏拓创科研仪器有限公司 | Cover pressure three axle clamp holder of analyzer |
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