CN107179244A - Tension and compression ring is waylayed and rob to seepage tests instrument and its system - Google Patents
Tension and compression ring is waylayed and rob to seepage tests instrument and its system Download PDFInfo
- Publication number
- CN107179244A CN107179244A CN201710545207.0A CN201710545207A CN107179244A CN 107179244 A CN107179244 A CN 107179244A CN 201710545207 A CN201710545207 A CN 201710545207A CN 107179244 A CN107179244 A CN 107179244A
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- Prior art keywords
- tension
- rob
- framework
- compression ring
- waylayed
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- 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
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- 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
-
- 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
-
- 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
- G01N2015/0023—Investigating dispersion of liquids
- G01N2015/0034—Investigating dispersion of liquids in solids
-
- 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
- G01N2203/0017—Tensile
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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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
- G01N2203/003—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
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
Abstract
The tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument and its system, is related to mechanical testing equipment technical field.The tension and compression ring is waylayed and rob to seepage tests instrument by the way that axial piston bar is connected with upper shear box, moment of torsion force transmission shaft is connected with down cut box, axial force sensor is set on axial piston bar, torque sensor is set on moment of torsion force transmission shaft, and it is fixedly connected with force transmitting board on upper shear box, force transmitting board can transmit the stabilization of shear box in the counter-force for applying moment of torsion, holding.By setting percolation Structure, it is possible to achieve Radial Flow Through Porous Media is tested.The tension and compression ring is waylayed and rob realizes xial feed with the independence of moment of torsion with coupling application to seepage tests instrument, it is ensured that the stationarity that the stability and load of experimental rig apply in experiment loading procedure.The tension and compression ring that the present invention is provided is waylayed and rob waylays and rob to seepage tests instrument to seepage tests system, including servopump and above-mentioned tension and compression ring, and control is accurate, and error is small, and stability is good.
Description
Technical field
The present invention relates to mechanical testing equipment technical field, waylayed and rob in particular to a kind of tension and compression ring to seepage tests
Instrument and its system.
Background technology
The shearing strength of rock is to evaluate one of important indicator of mechanical properties of rock, accurately obtains intensive parameter to rock
Body engineering has important practical significance.At this stage, shear of rock intensity is mainly obtained by laboratory test, main experimental type
Have：Ordinary triaxial test, direct shear test and wedge shape shearing experiment etc..
Analyze existing experiment implementation, rock discontinuity on shear surface during being cut, and deformation has
Retardance, it is impossible to accurately reflect the shear strength of rock.In the rock tension and compression ring shear test instrument course of work, apply axle power process
It can be interfered with the process of moment of torsion, cause power precision and the reliability reduction being applied on hollow rock sample, for result of the test
Acquisition have larger error.
In view of this, design and manufacture a kind of tension and compression ring to waylay and rob to seepage tests instrument, can complete simultaneously axial push-pull experiment,
Ring shear test and seepage tests, both can independently apply axial load, ring and cut moment of torsion, not interfere with each other, and can also realize mutually
The experiment of coupling is the technical problem for being badly in need of in current mechanical testing equipment technical field improving.
The content of the invention
Waylayed and rob it is an object of the invention to provide a kind of tension and compression ring to seepage tests instrument, the tension and compression ring for rock waylay and rob to
Seepage tests.The tension and compression ring is waylayed and rob to seepage tests instrument by using ring specimen, by way of applying torsion so that rock
The uniform stressed and deformation is uniform on shear surface；Meanwhile, axial drawing, pressure can be applied, realize that rock is drawn, pressure, ring are cut, seepage flow
And the experiment intercoupled, shear of rock intensity, residual strength and deformation are obtained to accurate, this structure for improving and improving rock is closed
System, it is significant.
The present invention also aims to provide a kind of tension and compression ring to waylay and rob to seepage tests system, including servopump, hydraulic cylinder
Waylayed and rob with above-mentioned tension and compression ring to seepage tests instrument, the tension and compression ring is waylayed and rob accurate to the control of seepage tests system, and error is small, can be with
Apply axially draw, pressure, realize that rock is drawn, pressure, ring are cut, seepage flow and the experiment intercoupled, perfect in shape and function.
The present invention, which improves its technical problem, to be realized using following technical scheme.
A kind of tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument, and the tension and compression ring is waylayed and rob and included to seepage tests instrument
First framework, the second framework, the first bottom plate, the second bottom plate, axial piston bar, moment of torsion force transmission shaft, axial force sensor, torque sensing
Device, upper shear box, down cut box and Radial Flow Through Porous Media structure.
First framework is fixedly connected on first bottom plate, and second framework is fixedly connected on second bottom
Plate, first framework is located between first bottom plate and second bottom plate, and second framework is located at second bottom
Side of the plate away from first bottom plate.The upper shear box and the down cut box are located in second framework, it is described on
Sample is installed between shear box and the down cut box, and the upper shear box, the down cut box, the sample are located at together
On one axis.
The torque sensor is on the moment of torsion force transmission shaft.One end of the moment of torsion force transmission shaft is fixedly connected on described
On first bottom plate, the other end is fixedly connected through second bottom plate with the down cut box, described for transferring a torque to
Sample.The axial force sensor is on the axial piston bar, and the axial piston bar is fixedly connected with the upper shear box,
For applying xial feed for the sample.
The Radial Flow Through Porous Media structure include seal sleeve, the first intake tunnel, first exhaust passage, the second intake tunnel and
Second exhaust passage.The seal sleeve is fixedly connected with the upper shear box, the down cut box respectively, the seal sleeve
Sealing ring is respectively equipped between the upper shear box, the down cut box.
First intake tunnel is located at the down cut box, and the first exhaust passage is located at the upper shear box, institute
State the first intake tunnel to connect by the hollow space of the sample with the first exhaust passage, form internal seepage channel.
Second intake tunnel is located at the down cut box and positioned at the outside of the sample, and the second exhaust passage is located at institute
State shear box and positioned at the outside of the sample, second intake tunnel is connected with the second exhaust passage, form outer
Portion's seepage channel.
Further, jack is provided with first framework, the jack is fixedly connected on first framework
Both sides, for applying moment of torsion for the moment of torsion force transmission shaft.
Further, multiple support bars are provided with first framework, the two ends of the support bar are separately fixed at described
The both sides of first framework, waylay and rob to seepage tests instrument for stablizing the tension and compression ring.
Further, force transmitting board is provided with second framework, the force transmitting board is fixedly connected with the upper shear box, institute
The two ends for stating force transmitting board are connected with second framework respectively, and can be slided along the inwall of second framework, the force transmitting board
Apply the counter-force of moment of torsion for transmitting, keep the stabilization of the upper shear box.
Further, the madial wall of second framework is provided with line slideway, be provided with the line slideway with it is described
The sliding block that line slideway can be slided relatively, the force transmitting board is fixedly connected with the sliding block, can slided along the line slideway.
Further, first bottom plate, second bottom plate, the upper shear box, the down cut box, the power transmission
The both ends of the surface of plate, the both ends of the surface of the axial piston bar and the moment of torsion force transmission shaft are parallel to each other two-by-two.
Further, the jack and the torque sensor are parallel to each other installation, and the jack, the moment of torsion
Sensor is vertical with the side wall of first framework.The side wall of the line slideway and second framework is parallel to each other, institute
Line slideway is stated to be mutually perpendicular to second bottom plate.
Further, first framework includes two the first side plates being oppositely arranged, and first bottom plate is installed on two
Between individual first side plate, the support bar is bolted with first side plate.
Further, second framework includes the second side plate that cover plate and two are oppositely arranged, second side plate
One end is convexly equipped with installation portion, and the installation portion and second bottom plate are detachably connected；The cover plate is fixedly connected on described
Through hole is offered on the other end of second side plate, the cover plate, the axial piston bar passes through the through hole and the upper shearing
Box is connected.
A kind of tension and compression ring that the present invention is provided is waylayed and rob to seepage tests system, including servopump, hydraulic cylinder and above-mentioned drawing
Pressure ring is waylayed and rob to seepage tests instrument, and the axial piston bar is in the hydraulic cylinder, and the servopump connects with the hydraulic cylinder
Connect, the movement for controlling the axial piston bar.
The tension and compression ring that the present invention is provided is waylayed and rob the beneficial effect for having the following aspects to seepage tests instrument and its system：
The tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument, by the way that axial piston bar is connected with upper shear box, will
Moment of torsion force transmission shaft is connected with down cut box, and axial force sensor is set on axial piston bar, and moment of torsion is set on moment of torsion force transmission shaft
Sensor, by setting Radial Flow Through Porous Media structure, it is possible to achieve Radial Flow Through Porous Media is tested.The tension and compression ring is waylayed and rob to be realized to seepage tests instrument
The independence of xial feed and moment of torsion is with coupling application, it is ensured that the stabilization and load of experimental rig apply in experiment loading procedure
Steadily.Simple in construction, manipulation is convenient, is adapted to variously-shaped rock mechanics experiment, and every mechanical property to study of rocks has
It is significant.
The tension and compression ring that the present invention is provided is waylayed and rob to seepage tests system, including servopump, hydraulic cylinder and above-mentioned tension and compression ring
Waylay and rob to seepage tests instrument, control is accurate, and error is small, and stability is good.The tension and compression ring is waylayed and rob can be used for grinding to seepage tests system
Study carefully the shear strength of rock, residual strength and improve rock strength model, mechanical properties of rock is analyzed comprehensively, with great
Application value.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
A kind of structural representation at visual angle that Fig. 1 waylays and rob to seepage tests instrument for the tension and compression ring that the specific embodiment of the invention is provided
Figure；
Fig. 2 shows for the waylay and rob structure at another visual angle to seepage tests instrument of the tension and compression ring that the specific embodiment of the invention is provided
It is intended to；
The one kind for the Radial Flow Through Porous Media structure that Fig. 3 waylays and rob to seepage tests instrument for the tension and compression ring that the specific embodiment of the invention is provided
The structural representation at visual angle；
The Radial Flow Through Porous Media structure that Fig. 4 waylays and rob to seepage tests instrument for the tension and compression ring that the specific embodiment of the invention is provided it is another
Plant the structural representation at visual angle.
Icon：100- tension and compression rings are waylayed and rob to seepage tests instrument；The upper shear boxs of 101-；103- down cut boxes；105- samples；
The frameworks of 110- first；The bottom plates of 111- first；The side plates of 113- first；120- moment of torsion force transmission shafts；121- torque sensors；123- is very heavy
Top；125- support bars；The frameworks of 130- second；The bottom plates of 131- second；The side plates of 133- second；1331- installation portions；135- cover plates；
140- axial piston bars；141- axial force sensors；143- force transmitting boards；145- line slideways；147- sliding blocks；150- seal sleeves；
The intake tunnels of 151- first；153- first exhaust passages；155- sealing rings；The intake tunnels of 157- second；158- second exhausts are led to
Road.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
The orientation or position relationship usually put when orientation shown in the drawings or position relationship, or product of the present invention are used, or
Person is the orientation or position relationship that those skilled in the art usually understand, is for only for ease of the description present invention and simplifies description,
Rather than indicate or imply that signified equipment or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
" first ", " second " of the present invention etc., is used only for being distinguish between in description, not special implication.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
It is joined directly together, can also be indirectly connected to by intermediary.For the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
A kind of structure at visual angle that Fig. 1 waylays and rob to seepage tests instrument 100 for the tension and compression ring that the specific embodiment of the invention is provided
Schematic diagram, the structure at another visual angle that Fig. 2 waylays and rob to seepage tests instrument 100 for the tension and compression ring that the specific embodiment of the invention is provided
Schematic diagram, refer to Fig. 1 and Fig. 2.
A kind of tension and compression ring that the present embodiment is provided is waylayed and rob to seepage tests instrument 100, by using ring specimen 105, is applied
Axial load, the mode of torsion, can be achieved that rock is drawn, pressure, ring are cut, Radial Flow Through Porous Media and the experiment intercoupled so that rock exists
Uniform stressed and deformation is uniform on shear surface.To the shear strength of study of rocks, residual strength and rock strength model is improved,
Analysis mechanical properties of rock is significant comprehensively.
Tension and compression ring is waylayed and rob includes the first framework 110, the second framework 130, the first bottom plate 111, second to seepage tests instrument 100
Bottom plate 131, force transmitting board 143, axial piston bar 140, moment of torsion force transmission shaft 120, jack 123, axial force sensor 141, moment of torsion are passed
Sensor 121, upper shear box 101, down cut box 103 and Radial Flow Through Porous Media structure.
First framework 110 is fixedly connected on the first bottom plate 111, and the second framework 130 is fixedly connected on the second bottom plate 131, the
One framework 110 is located between the first bottom plate 111 and the second bottom plate 131, and the second framework 130 is located at the second bottom plate 131 away from first
The side of bottom plate 111.Specifically, the first framework 110 includes two the first side plates 113 being oppositely arranged, two the first side plates 113
Between be connected with the first bottom plate 111, the first bottom plate 111 is located at the position of the middle part of the first side plate 113 bottom partially.First framework 110
Multiple support bars 125 are inside additionally provided with, preferably, the front and rear of the first side plate 113 respectively sets two support bars 125.Support bar 125
Two ends are separately fixed on the first side plate 113, and two the first side plates 113 offer corresponding bolt hole, the first side plate 113 and branch
Strut 125 is bolted to connection, and multiple support bars 125, which are used to stablizing whole tension and compression ring, waylays and rob to seepage tests instrument 100, really
The stability protected during imposed load and moment of torsion, improves the accuracy of experimental accuracy and result of the test.
The top of two the first side plates 113 is connected with the second bottom plate 131, and the top of the second bottom plate 131 is fixedly connected with second
Framework 130.Second framework 130 includes the cover plate 135 of two the second side plates 133 of the second side plate 133 and connection being oppositely arranged, the
One end projection installation portion 1331 of two side plates 133 away from cover plate 135, for detachably connected with the second bottom plate 131, preferably
Ground, is connected by screw bolts herein.
Provided with upper shear box 101 and down cut box 103 in second framework 130, upper shear box 101 and down cut box 103 it
Between be installed with sample 105, the present embodiment use rock sample 105, naturally it is also possible to the mechanical property for other materials is ground
Study carefully.Upper shear box 101, down cut box 103 structure type it is consistent with the shape of sample 105.Upper shear box 101, down cut
Box 103 is generally bonded as one securely using bonding agent and sample 105, and upper shear box 101, down cut box 103, sample
105 are located on same axis, to ensure that axial load or moment of torsion are equably loaded on sample 105.Upper shear box 101 and axial direction
Piston rod 140 is fixedly connected, and down cut box 103 is fixedly connected with moment of torsion force transmission shaft 120.Torsion is provided with moment of torsion force transmission shaft 120
Square sensor 121, moment of torsion force transmission shaft 120 is used to transfer a torque to sample 105, and torque sensor 121 is used to detect loading
Torque.Axial force sensor 141 is on axial piston bar 140, and axial piston bar 140 is used to apply axial direction for sample 105
Load, axial force sensor 141 is used for the size for detecting the xial feed of loading, and axial load can be pulling force or pressure
Power.
One end of moment of torsion force transmission shaft 120 is fixedly connected on the first bottom plate 111, and the other end is through the second bottom plate 131 with
Shear box 103 is fixedly connected, and moment of torsion force transmission shaft 120 is bolted to connection with the first bottom plate 111.121 sets of torque sensor
Located at the outer surface of moment of torsion force transmission shaft 120 and connection fixed thereto.Jack 123 is installed with each first side plate 113,
Jack 123 on two the first side plates 113 is oppositely arranged, and one end of jack 123 is bolted with the first side plate 113
Connection, the other end is connected on moment of torsion force transmission shaft 120.Moment of torsion is applied to moment of torsion force transmission shaft 120 by jack 123, moment of torsion is passed
The moment of torsion is transferred to down cut box 103 by power axle 120, to perform the moment of torsion load test to sample 105.
The cover plate 135 of axial piston bar 140 through the second framework 130 is fixedly connected with upper shear box 101, axial piston bar
140 move up and down and can be achieved to apply axial tension or axial compressive force to upper shear box 101, due to upper shear box 101, down cut
Box 103 and sample 105 are bonded as one, that is, are also to apply axial load to sample 105, complete the load test of axial load.
Force transmitting board 143 is provided with second framework 130, force transmitting board 143 is fixedly connected with upper shear box 101.Force transmitting board 143 is applied for transmission
Plus the counter-force of moment of torsion, the stabilization of shear box 101 in holding.The madial wall of second framework 130 is provided with line slideway 145, i.e., the
The relative inner surface setting line slideway 145 of two side plates 133.It is provided with and can be slided relatively with line slideway 145 on line slideway 145
Dynamic sliding block 147, force transmitting board 143 is fixedly connected with sliding block 147, can be slided along line slideway 145.
It should be noted that in order that load test has higher success rate, result of the test is more accurate.First bottom plate 111,
Two bottom plates 131, upper shear box 101, down cut box 103, force transmitting board 143, the both ends of the surface of axial piston bar 140 and moment of torsion force transmission shaft
120 both ends of the surface need to be set to be parallel to each other two-by-two.Jack 123 and torque sensor 121 are parallel to each other installation, and jack
123rd, torque sensor 121 is vertical with the first side plate 113 of the first framework 110.The framework 130 of line slideway 145 and second
Side wall is parallel to each other, and line slideway 145 is mutually perpendicular to the second bottom plate 131.When can so cause loading axial load, sample
105 can by axis direction pulling force or pressure, the component without having other directions；Similarly, when applying moment of torsion, so
The uniform stressed and deformation is uniform on shear surface of sample 105 can be caused, so as to improve test accuracy.
The Radial Flow Through Porous Media structure that Fig. 3 waylays and rob to seepage tests instrument 100 for the tension and compression ring that the specific embodiment of the invention is provided
A kind of structural representation at visual angle, the footpath that Fig. 4 waylays and rob to seepage tests instrument 100 for the tension and compression ring that the specific embodiment of the invention is provided
To the structural representation at another visual angle of percolation Structure, Fig. 3 and Fig. 4 refer to.
Radial Flow Through Porous Media structure includes seal sleeve 150, the first intake tunnel 151, first exhaust passage 153, second and intake
Passage 157 and second exhaust passage 158.Seal sleeve 150 is fixedly connected with upper shear box 101, down cut box 103 respectively, close
Big envelope cylinder 150 is bolted to connection with down cut box 103 respectively.Seal sleeve 150 and upper shear box 101, down cut box
Sealing ring 155 is respectively equipped between 103, to improve the sealing between upper shear box 101 and down cut box 103.
First intake tunnel 151 is located at down cut box 103, and first exhaust passage 153 is located at upper shear box 101, and first enters
Aquaporin 151 is connected with first exhaust passage 153 by the hollow space of sample 105, forms internal seepage channel.Second water inlet
Passage 157 is located at down cut box 103 and positioned at the outside of sample 105, and second exhaust passage 158 is located at upper shear box 101, simultaneously
Positioned at the outside of sample 105, the second intake tunnel 157 is connected with second exhaust passage 158, forms outside seepage channel.The footpath
The seepage flow of the shear surface of vertical sample 105 is realized to percolation Structure, improving can only realize in existing experimental rig along shearing
The function of face seepage flow.The function that drawing, pressure and the ring of binding tests device are cut, has to the seepage characteristic of research shear surface and structural plane
It is significant.
It is worth noting that, that is mentioned in text is detachably connected mode or is fixedly connected, except being connected by screw bolts, also may be used
To be fixedly connected with mode using threaded connection, socket, bonding, clamping, snapping, welding, riveting etc..
One kind that the present embodiment is provided, including servopump, hydraulic cylinder and above-mentioned tension and compression ring are waylayed and rob to seepage tests instrument
100, axial piston bar 140 is in hydraulic cylinder, and servopump is connected with hydraulic cylinder, the movement for controlling axial piston rod 140.
The oil transportation of hydraulic cylinder is controlled by servopump, so that piston rod applies axial load, and the defeated of hydraulic cylinder is controlled by servopump
Oil, so that jack 123 applies moment of torsion, loading procedure control is accurate, and test error is small, and precision is high, it is easy to manipulate.
The tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument 100 and its system, and its installation process and process of the test are such as
Under：
Hollow cylinder rock sample 105 is prepared, upper shear box 101, the bottom portion of groove of down cut box 103 and side wall are smeared
Binding agent, rock sample 105 is bonded with upper shear box 101 and down cut box 103 together with, and ensure down cut box 103, rock
Stone sample 105, the surface of upper shear box 101 are parallel to each other, and on same center line, rock sample 105 and down cut box
103rd, upper shear box 101 is connected as an entirety.Down cut box 103 is fixedly connected by bolt with moment of torsion force transmission shaft 120, and is protected
The end horizontal connection of down cut box 103 and moment of torsion force transmission shaft 120 is demonstrate,proved, the end of upper shear box 101 and axial piston bar 140 leads to
Bolt connection is crossed, and ensures the end horizontal connection of upper shear box 101 and axial piston bar 140.
Moment of torsion force transmission shaft 120 is through the first bottom plate 111, jack 123, the bottom plate 131 of torque sensor 121 and second with
Shear box 103 is connected.The end of moment of torsion force transmission shaft 120 and the second bottom plate 131, the upper and lower surface horizontal parallel of down cut box 103.
The moment of torsion that jack 123 is exported is delivered on down cut box 103 by moment of torsion force transmission shaft 120, makes rock sample 105 by shearing force
Effect.Axial piston bar 140 is connected through force transmitting board 143, axial force sensor 141 with upper shear box 101.Axial piston bar
140 lower surface and force transmitting board 143, down cut box 103, the upper and lower surface horizontal parallel of upper shear box 101.Line slideway 145
It is fixedly connected by bolt with the second side plate 133 of the second framework 130, sliding block 147 is slided on line slideway 145.Force transmitting board
143 are connected through axial piston bar 140 is vertical with sliding block 147, realize the transmission of xial feed.When applying moment of torsion, it is ensured that
The fixation of the upper position of shear box 101, second is delivered to by moment of torsion counter-force by force transmitting board 143, sliding block 147 and line slideway 145
On framework 130, to realize the independence of axial force (pulling force, pressure) or the loading of mixing.
When loading axial compressive force, by hydraulic servo pump to the upper space oil transportation of axial piston bar 140, promote axially living
Stopper rod 140 is moved down, and applies axial compressive force.Continue loading axial compressive force to axial force sensor 141 and reach setting value, experiment knot
When Shu Bingxu unloads axial compressive force, by hydraulic servo pump to the lower space oil transportation of axial piston bar 140, lift piston rod.
When loading axial tension, by hydraulic servo pump to the lower space oil transportation of axial piston bar 140, promote axially living
Stopper rod 140 is moved up, and applies axial tension.Continue loading axial tension to axial force sensor 141 and reach setting value, experiment knot
When Shu Bingxu unloads axial tension, by hydraulic servo pump to the upper space oil transportation of axial piston bar 140, piston rod moves down.
When loading moment of torsion, by hydraulic servo pump to the oil transportation of jack 123, until torque sensor 121 reaches setting
Value, unloads the oil pressure of jack 123 during off-test.
When needing to perform Radial Flow Through Porous Media experiment, seal sleeve 150 is fixedly connected by bolt with down cut box 103, led to
Cross the first intake tunnel 151 and first exhaust passage 153, to the internal water flooding of rock sample 105, when first exhaust passage 153 not
When occurring bubble and continuous effluent again, it is considered as exhaust and completes, now close first exhaust passage 153.Pass through the second intake tunnel
157 and second exhaust passage 158, to the water filling of seal sleeve 150, when bubble no longer occurs in second exhaust passage 158 and continuously goes out
During water, it is considered as exhaust and completes, now close second exhaust passage 158.According to test requirements document, pass through the first intake tunnel respectively
151 and second intake tunnel 157, hydraulic pressure and outer hydraulic pressure in loading until reaching default desired value, and carry out follow-up test.
Off-test and when need to take out rock sample 105, will connect the bolt of upper shear box 101 and axial piston bar 140
Shear box 101 in dismounting, taking-up.The disassembling bolts of down cut box 103 and moment of torsion force transmission shaft 120 will be connected, take out down cut box
103.By the way of high-temperature heating or dissolving colloid, by rock sample 105 and upper shear box 101,103 points of down cut box
From.
By the operation of above-mentioned steps, it can be achieved that rock is drawn, pressure, ring are cut, Radial Flow Through Porous Media and the experiment intercoupled, alignment
Shear of rock intensity, residual strength and deformation are really obtained, the constitutive relation of rock is improved and improve, it is significant.The footpath
The seepage flow of the vertical shear surface of rock sample 105 is realized to percolation Structure, improving can only realize that edge is cut in existing experimental rig
The function of tangent plane seepage flow.The function that binding tests instrument is drawn, pressure and ring are cut, has to the seepage characteristic of research shear surface and structural plane
Significance.
In summary, the tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument 100 and its system and has following side
The beneficial effect in face：
The tension and compression ring that the present invention is provided is waylayed and rob to seepage tests instrument 100, and simple in construction, manipulation is convenient.Pass through jack
123rd, the moment of torsion that torque sensor 121 and moment of torsion force transmission shaft 120 are constituted applies and measuring unit, with control accuracy height, moment of torsion
Load applies the advantages of big, torque measurement is accurate, frictional force is small.Pass through axial piston bar 140, axial force sensor 141, force transmitting board
143rd, the axially loaded and measuring unit that sliding block 147 and line slideway 145 are constituted, with control accuracy it is high, while realize pulling force,
The advantages of function of loading and the measurement of pressure, big output payload values；Force transmitting board 143 is connected with the second side plate 133, realizes axle
To the independence of load and moment of torsion with coupling application, and transfer the load on the second framework 130, it is ensured that whole in experiment loading procedure
Individual tension and compression ring waylay and rob to seepage tests instrument 100 stability and load application stationarity.The tension and compression ring that the present invention is provided is waylayed and rob
To seepage tests system, using hydraulic servo pump, control is accurate, it is easy to manipulate, error is small, and test accuracy is high, is greatly enhanced
Test efficiency and success rate.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various changes, combination and change.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (10)
1. a kind of tension and compression ring is waylayed and rob to seepage tests instrument, it is characterised in that the tension and compression ring is waylayed and rob includes the to seepage tests instrument
One framework, the second framework, the first bottom plate, the second bottom plate, axial piston bar, moment of torsion force transmission shaft, axial force sensor, torque sensing
Device, upper shear box, down cut box and Radial Flow Through Porous Media structure；
First framework is fixedly connected on first bottom plate, and second framework is fixedly connected on second bottom plate, institute
State the first framework to be located between first bottom plate and second bottom plate, it is remote that second framework is located at second bottom plate
The side of first bottom plate；The upper shear box is located in second framework with the down cut box, the upper shear box
Sample is installed between the down cut box, and the upper shear box, the down cut box, the sample are located at same axis
On；
The torque sensor is on the moment of torsion force transmission shaft；One end of the moment of torsion force transmission shaft is fixedly connected on described first
On bottom plate, the other end is fixedly connected through second bottom plate with the down cut box, for transferring a torque to the sample；
The axial force sensor is on the axial piston bar, and the axial piston bar is fixedly connected with the upper shear box, is used for
Apply xial feed for the sample；
The Radial Flow Through Porous Media structure includes seal sleeve, the first intake tunnel, first exhaust passage, the second intake tunnel and second
Exhaust passage；The seal sleeve is fixedly connected with the upper shear box, the down cut box respectively, the seal sleeve and institute
State and be respectively equipped with sealing ring between shear box, the down cut box；First intake tunnel is located at the down cut box, institute
First exhaust passage is stated located at the upper shear box, first intake tunnel passes through the sample with the first exhaust passage
Hollow space connection, form internal seepage channel；Second intake tunnel is located at the down cut box and positioned at the examination
The outside of sample, the second exhaust passage is located at the upper shear box and positioned at the outside of the sample, and second water inlet is logical
Road is connected with the second exhaust passage, forms outside seepage channel.
2. tension and compression ring according to claim 1 is waylayed and rob to seepage tests instrument, it is characterised in that be provided with first framework
Jack, the jack is fixedly connected on the both sides of first framework, for applying moment of torsion for the moment of torsion force transmission shaft.
3. tension and compression ring according to claim 1 is waylayed and rob to seepage tests instrument, it is characterised in that be provided with first framework
Multiple support bars, the two ends of the support bar are separately fixed at the both sides of first framework, are cut for stablizing the tension and compression ring
Radial Flow Through Porous Media test instrument.
4. tension and compression ring according to claim 2 is waylayed and rob to seepage tests instrument, it is characterised in that be provided with second framework
Force transmitting board, the force transmitting board is fixedly connected with the upper shear box, and the two ends of the force transmitting board connect with second framework respectively
Connect, and can be slided along the inwall of second framework, the force transmitting board is used to transmit the counter-force for applying moment of torsion, keep cutting on described
Cut the stabilization of box.
5. tension and compression ring according to claim 4 is waylayed and rob to seepage tests instrument, it is characterised in that the inner side of second framework
Wall is provided with the sliding block that is provided with and can be slided relatively with the line slideway on line slideway, the line slideway, the force transmitting board
It is fixedly connected, can be slided along the line slideway with the sliding block.
6. tension and compression ring according to claim 4 is waylayed and rob to seepage tests instrument, it is characterised in that first bottom plate, described
Second bottom plate, the upper shear box, the down cut box, the force transmitting board, the both ends of the surface of the axial piston bar and the torsion
The both ends of the surface of square force transmission shaft are parallel to each other two-by-two.
7. tension and compression ring according to claim 5 is waylayed and rob to seepage tests instrument, it is characterised in that the jack is turned round with described
Square sensor is parallel to each other installation, and the jack, the torque sensor are vertical with the side wall of first framework；Institute
The side wall for stating line slideway and second framework is parallel to each other, and the line slideway is mutually perpendicular to second bottom plate.
8. tension and compression ring according to claim 3 is waylayed and rob to seepage tests instrument, it is characterised in that first framework includes two
Individual the first side plate being oppositely arranged, first bottom plate is installed between two first side plates, the support bar with it is described
First side plate is bolted.
9. tension and compression ring according to claim 1 is waylayed and rob to seepage tests instrument, it is characterised in that second framework includes lid
The second side plate that plate and two are oppositely arranged, one end of second side plate is convexly equipped with installation portion, the installation portion and described the
Two bottom plates are detachably connected；The cover plate be fixedly connected on the other end of second side plate, the cover plate offer it is logical
Hole, the axial piston bar is connected through the through hole with the upper shear box.
10. a kind of tension and compression ring is waylayed and rob to seepage tests system, it is characterised in that including servopump, hydraulic cylinder and claim 1 to
Tension and compression ring any one of 9 is waylayed and rob to seepage tests instrument, and the axial piston bar is in the hydraulic cylinder, the servo
Pump is connected with the hydraulic cylinder, the movement for controlling the axial piston bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545207.0A CN107179244A (en) | 2017-07-06 | 2017-07-06 | Tension and compression ring is waylayed and rob to seepage tests instrument and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545207.0A CN107179244A (en) | 2017-07-06 | 2017-07-06 | Tension and compression ring is waylayed and rob to seepage tests instrument and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107179244A true CN107179244A (en) | 2017-09-19 |
Family
ID=59846035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710545207.0A Pending CN107179244A (en) | 2017-07-06 | 2017-07-06 | Tension and compression ring is waylayed and rob to seepage tests instrument and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107179244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220804A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure-shear test machine |
| CN110220804B (en) * | 2019-06-17 | 2024-05-03 | 河南交通职业技术学院 | Pressure shear testing machine |
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