CN106771079A - A kind of soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance - Google Patents
A kind of soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance Download PDFInfo
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- CN106771079A CN106771079A CN201710018801.4A CN201710018801A CN106771079A CN 106771079 A CN106771079 A CN 106771079A CN 201710018801 A CN201710018801 A CN 201710018801A CN 106771079 A CN106771079 A CN 106771079A
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- 238000000974 shear rheometry Methods 0.000 title claims abstract description 68
- 239000011435 rock Substances 0.000 title claims abstract description 36
- 238000001035 drying Methods 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000010008 shearing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007602 hot air drying Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 8
- 238000000518 rheometry Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a kind of soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance, including platform, the centre of platform is provided with planned orbit and shear rheology unit, planned orbit includes a side long, shear rheology unit is slided along the long side direction of planned orbit, shear rheology unit connects energetic disturbance unit, tangential compression system, displacement measurement system and pull or press force test system, the shearing force of energetic disturbance unit and tangential compression system corrdinated adjustment shear rheology unit, displacement measurement system measures the displacement of shear rheology unit and the change of pressure respectively with pull or press force test system, the top of shear rheology unit is provided with drying and watering cycle unit, drying and watering cycle unit realizes the drying and watering cycle of shear rheology unit, shear rheology unit presets stress by normal direction compression system in the normal direction of the shear rheology unit.The present invention is applied to large scale Soft Rock Rheology property research, measures that result is more accurate, and the scope of application is wider.
Description
Technical field
The present invention relates to a kind of soft rock shear rheology instrument, more particularly to a kind of soft rock for realizing drying and watering cycle and energetic disturbance
Shear rheology instrument.
Background technology
The rheological equationm of state of Rock And Soil is to refer to its deformation properties for changing over time, mainly including creep, lax and elasticity after
Effect, the rheological equationm of state of Rock And Soil is the key factor for having to consider when Important Project design is carried out with stability analysis.Make
Be one of most active factor of nature, water deforms for Rock And Soil, intensity property has significant effect, it is main include softening,
Wash away, chemical attack, flowing pressure etc.；Additionally, in the construction in the fields such as water conservancy, traffic, mine, explosion is to carry out domatic to change
Make, the necessary program of the work such as basement process, ore extraction, therefore, for the analysis of these engineering slope long-time stability, drop
Influence of the repeated action of rain and blasting vibration to Rock And Soil rheological behavior is very important.
The basic step of conventional magnetic shear rheology includes that sample sampling applies with processing, normal pressure, applies shear stress step by step
(per the after-applied next stage shear stress of one-level stabilization) is until sample destruction.The research method of the Rock And Soil rheological equationm of state is main
Including live original position rheological test and laboratory test, relative to field test, laboratory test have economy and facility, data acquisition with
The advantages for the treatment of is convenient, experimental condition controllability is strong, therefore laboratory test has turned into the main of the research Rock And Soil rheological equationm of state
Means, but for soft rock, traditional indoor Mineral rheology shearing test instrument due to loading apparatus, soft rock sample
Size it is relatively small, for react Rock And Soil property be not very accurate.
At present, for Rock And Soil rheological characteristic Quality Research under energetic disturbance mainly using the side of three axle off-load rheological tests
Formula, is mainly flowed using first carrying out to sample drying and watering cycle treatment again for Rock And Soil rheological characteristic Quality Research under the influence of rainfall
Become the mode of experiment, but these analog forms are not obviously inconsistent with rainfall in practice with the mode of action of explosion.Additionally, current cuts
Cut in rheological test device, determined using micrometer or by the way of specimen surface patch foil gauge more than sample deformation, but these
Mensuration mode subjective factor is too big, such as the position of micrometer or foil gauge, deflection size, and is adopted when energetic disturbance is added
Can there is very big error with automatic counting mode.
The content of the invention
In view of this, The embodiment provides a kind of frequency and intensity for simulating various explosions, and can be in stream
Drying and watering cycle is carried out to sample in change process of the test, it is adaptable to all kinds of large scale soft rock streams under rainfall and energetic disturbance repeated action
The soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance of change nature research.
Embodiments of the invention provide a kind of soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance, the platform
Centre be provided with planned orbit and shear rheology unit, the planned orbit includes a side long, and the shear rheology unit is along pre-
The long side direction in orbit determination road is slided, and the shear rheology unit connection energetic disturbance unit, tangential compression system, displacement measure system
System and pull or press force test system, the shearing of the energetic disturbance unit and tangential compression system corrdinated adjustment shear rheology unit
Power, the displacement measurement system measures the displacement of shear rheology unit and the change of pressure respectively with pull or press force test system,
The top of the shear rheology unit is provided with drying and watering cycle unit, and the drying and watering cycle unit realizes the dry and wet of shear rheology unit
Circulation, the shear rheology unit presets stress by normal direction compression system in the normal direction of the shear rheology unit.
Further, the shear rheology unit includes upper shear box and down cut box, and the down cut box is in upper shear box
Lower section, the top opposite sides of the down cut box is provided with translot, is provided with the translot along the long side direction of predetermined slide rail
Ball, the bottom of the down cut box is provided with roller, and the down cut box passes through the side side long of roller and ball along planned orbit
To slip；The energetic disturbance unit includes rigid support and vibrating motor, and the vibrating motor is located on rigid support；It is described
Rigid support clamps the both sides of down cut box, and the vibrating motor passes through the downward shear box conduction vibration load of rigid support.
Further, the vibrating motor is the exciting source that power source is combined as a whole with vibration source, the vibrating motor bag
Armature spindle and the adjustable eccentric block installed at armature spindle two ends are included, the vibrating motor is by armature spindle and the height of adjustable eccentric block
The centrifugal force that speed rotation is produced obtains exciting force.
Further, the drying and watering cycle unit includes water pump, water inlet pipe, water tank, permeable stone, hot-air generating means and enters
Tracheae, the water tank is located at the top of shear box, and the permeable stone is located in water tank, and the air inlet pipe and water inlet pipe run through
Upper shear box, the air inlet pipe connects hot-air generating means, and the water inlet pipe is connected and passes through water in water pump, the down cut box
Drying and watering cycle is realized in the effect of pump and hot-air generating means.
Further, the top recessing of the upper shear box, the water tank is located in groove, and the water tank top is provided with gold
Category cover plate, the bottom of the water tank is provided with permeable hole, and side connection displacement measurement system and the pressure of the down cut box are surveyed
Amount system.
Further, the tangential compression system includes rod member and pulley system, and the rod member includes a cross bar and a montant,
One end of the cross bar is affixed with down cut box, and the other end of cross bar is affixed with montant, and the montant connects pulley system.
Further, the pulley system includes five fixed pulleys, and the fixed pulley includes central shaft and rotated around central shaft
Flexible cable, the side of the platform is provided with the wire bearing consistent with fixed pulley quantity, and the wire bearing can be moved, described
Flat edge of table is provided with the pulley groove consistent with fixed pulley quantity, and the central shaft is located in pulley groove, the flexible cable
Side through wire bearing connect montant, another side mounting counterweight of the flexible cable.
Further, the cross bar is mutually perpendicular to montant, and is welded as a whole.
Further, the normal direction compression system includes first arm of force, the second arm of force system, fix bar and fulcrum support, described
Fulcrum branch is erected on platform, and the fix bar is located at the top of fulcrum support, affixed first arm of force in side of the fix bar,
Affixed second arm of force system of opposite side, second arm of force system includes five second arm of forces, and five second arm of forces are symmetrical arranged, described
The torque arm length ratio of first arm of force and second arm of force is 1:5, a lateral edges of the platform are provided with fixed support, the fixed branch
The quantity of frame is consistent with the quantity of second arm of force, and the support bracket fastened height is adapted with the height of fulcrum support, described
The central shaft of the affixed fixed pulley in support bracket fastened top, the flexible cable side rotated around central shaft connects second arm of force,
Another side mounting counterweight, the affixed rigid of transmission bar of first arm of force, the rigid of transmission bar is arranged on water tank, the rigidity
The default stress that the normal direction compression system is produced is delivered to the normal direction of the shear rheology unit successively for transmission lever and water tank
On.
Further, the displacement measurement system is stay wire displacement sensor system, and the pull or press force test system is strain
Formula pressure sensor-based system, the displacement measurement system and pull or press force test system connect shear rheology unit by drawstring,
The housing of the displacement measurement system and pull or press force test system is hard aluminium alloy material, the displacement measurement system and drawing
The cable connector of pressure-measuring system wraps up the steel of Teflon material using surface using high-grade waterproof Aviation Connector, the drawstring
Cable.
Compared with prior art, the invention has the advantages that：
(1) mechanical structure of the present invention is simple, can easily be accommodated, easy to operate, it is adaptable to large scale Soft Rock Rheology property research,
Relatively conventional soil mechanics shear rheology instrument specimen size is larger, and it is more accurate to measure result, can test in soft rock undisturbed, fits
It is wider with scope；
(2) present invention increases energetic disturbance unit, and certain disturbing is provided to tangential compression system by energetic disturbance unit
It is dynamic, simulate blasting vibration；Energetic disturbance unit transmits oscillatory load by rigid support, and disturbance, vibration are produced to shear stress
Motor is arranged on rigid support, and the size of transmission disturbance is adjusted by the riding position for changing motor, realizes varying strength
Dynamic load, is capable of achieving the quantitative simulation of dynamic load during rheological test；
(3) present invention makes pulley away from shear box by lever, it is to avoid counterweight is excessive at one, and hierarchical loading selection is more；
(4) sensor that the present invention is used combines angle displacement sensor, linear displacement transducer and gear, bar and passes
Dynamic various advantages, size is small, stroke is long, long lifespan, multipurpose, and simple installation, without compensation gap, with high accuracy,
High duplication is measured and high position precision characteristic, both can be used for accurate measurement and location control, it is also possible to coordinate display instrument,
Manual measurement is carried out as measuring instrument.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1 is refer to, The embodiment provides a kind of soft rock shear flow for realizing drying and watering cycle and energetic disturbance
Become instrument, including platform 1, the centre of platform 1 is provided with planned orbit 2 and shear rheology unit 3, and planned orbit 2 includes a side long 21,
Shear rheology unit 3 is slided along the direction of side long 21.
Shear rheology unit 3 include upper shear box 31 and down cut box 32, down cut box 32 in the lower section of upper shear box 31,
In one embodiment, the top recessing 310 of upper shear box 31, the top opposite sides of down cut box 32 is along predetermined slide rail 2
Long side direction is provided with translot 321, translot 321 and is provided with ball 322, and the bottom of down cut box 32 is provided with roller 323, down cut box
32 are slided by roller 323 and ball 322 along the long side direction of planned orbit 2.
The connection energetic disturbance of shear rheology unit 3 unit 4, tangential compression system 5, displacement measurement system 6 and pressure are surveyed
Amount system 7.
Energetic disturbance unit 4 includes rigid support 41 and vibrating motor 42, and vibrating motor 42 is located on rigid support 41；Just
Property support 41 clamp the both sides of down cut box 32, vibrating motor 42 passes through the downward conduction vibration lotus of shear box 32 of rigid support 41
Carry, in one embodiment, vibrating motor 42 is the exciting source that power source is combined as a whole with vibration source, and vibrating motor 42 includes turning
Sub- axle (not shown) and the adjustable eccentric block (not shown) installed at armature spindle two ends, vibrating motor 42 pass through rotor
The centrifugal force that the high speed rotation of axle and adjustable eccentric block is produced obtains exciting force.
Tangential compression system 5 includes rod member 51 and pulley system 52, and rod member 51 includes a cross bar 511 and a montant 512,
In one embodiment, cross bar 511 is mutually perpendicular to montant 512, and is welded as a whole, and one end and the down cut box 32 of cross bar 511 are consolidated
Connect, the other end of cross bar 511 is affixed with montant 512, the connection pulley system 52 of montant 512, pulley system 52 includes that five slide calmly
Wheel 520, fixed pulley 520 includes central shaft 521 and the flexible cable 522 around the rotation of central shaft 521, and the side of platform 1 is provided with and determines cunning
The consistent wire bearing 11 of 520 quantity is taken turns, wire bearing 11 can be moved, the edge of platform 1 is provided with and the quantity phase of fixed pulley 520
Consistent pulley groove 12, central shaft 521 is located in pulley groove 12, and the side of flexible cable 522 is perpendicular through the connection of wire bearing 11
Bar 512, another side mounting counterweight 523 of flexible cable 522, energetic disturbance unit 4 and the corrdinated adjustment shear rheology of tangential compression system 5
The shearing force of unit 3.
The top of shear rheology unit 3 is provided with drying and watering cycle unit 8, and drying and watering cycle unit 8 includes water pump 81, water inlet pipe
82nd, water tank 83, permeable stone 84, hot-air generating means 85 and air inlet pipe 86, water tank 83 is located at the top of shear box 31, one
In embodiment, water tank 83 is located in groove 310, and the top of water tank 83 is provided with metal cover board (not shown), the bottom of water tank 83
Permeable hole (not shown) is provided with, permeable stone 84 is located in water tank 83, air inlet pipe 86 and water inlet pipe 82 run through upper shear box
31, the connection hot-air of air inlet pipe 86 generating means 85, the connection water pump 81 of water inlet pipe 82 passes through water pump 81 and heat in down cut box 31
Drying and watering cycle is realized in the effect of air generator 85.
Shear rheology unit 3 is preset stress normal direction and is pressurizeed by normal direction compression system 9 in the normal direction of shear rheology unit 3
System 9 includes first arm of force 91, the second arm of force system 92, fix bar 93 and fulcrum support 94, and fulcrum support 94 sets on the platform 1,
Fix bar 93 is located at the top of fulcrum support 94, affixed first arm of force 91 in side of fix bar 93, affixed second arm of force of opposite side
It is 92, the second arm of force system 92 includes five second arm of forces 921, and five second arm of forces 921 are symmetrical arranged, first arm of force 91 and second
The torque arm length ratio of the arm of force 921 is 1:5, a lateral edges of platform 1 are provided with fixed support 13, the quantity of fixed support 13 and second
The quantity of the arm of force 921 is consistent, and the height of fixed support 13 is adapted with the height of fulcrum support 94, the top of fixed support 13
The central shaft 521 of affixed fixed pulley 520, second arm of force 921 is connected around the side of flexible cable 522 of the rotation of central shaft 521, another
Side mounting counterweight 523, the affixed rigid of transmission bar 10 of first arm of force 91, rigid of transmission bar 10 is arranged on the top of water tank 83, rigidity
Be delivered to the default stress that normal direction compression system 9 is produced in the normal direction of shear rheology unit 3 successively by transmission lever 10 and water tank 83.
Displacement measurement system 6 measures the displacement and the change of pressure of shear rheology unit 3 with pull or press force test system 7 respectively
Change, in one embodiment, side connection displacement measurement system 6 and the pull or press force test system 7, displacement measurement system of down cut box 32
System 6 is stay wire displacement sensor system, and pull or press force test system 7 is strain-type pressure sensor-based system, the He of displacement measurement system 6
Pull or press force test system 7 connects shear rheology unit 3 by drawstring 61, displacement measurement system 6 and pull or press force test system 7
Housing is hard aluminium alloy material, the high-grade waterproof boat of cable connector use of displacement measurement system 6 and pull or press force test system 7
Empty joint, drawstring 61 wraps up the wirerope of Teflon material using surface.
The course of work：
1. contrived experiment, determines the disturbance load intensity and frequency needed in experimentation, by preliminary experiment to vibration electricity
The frequency and placement location of machine 42 are adjusted, and determine and act on the disturbance load intensity of tangential compression system 5 and be with frequency
It is no to meet the requirements, it is adjusted correspondingly；
2. the sample of well cutting is placed in down cut box 32, then places shear box 31, it is big that adjustment shearing is stitched
It is small, drying and watering cycle unit 8 is installed on upper shear box 32, displacement measurement system 6 is installed on down cut box 32 and is surveyed with pressure
Amount system 7；
3. according to experimental program the need for normal stress is applied by the upward shear box 31 of normal direction compression system 9, normal direction adds
The connection rigid of transmission of pressure system 9 bar 10, rigid of transmission bar 10 is arranged on the top of water tank 83, and water tank 83 is located at shear box 31
Top, due to the transmission of power, normal direction compression system 9 applies normal stress by rigid of transmission bar 10, it is possible to shearing upwards
Box 31 applies normal stress, if normal stress is F1, due to normal stress and the gravity and the second power of first arm of force 91 and counterweight
The balanced lever of 92 composition of arm system one, therefore, add counterweight 523 by the fixed pulley 520 affixed with fixed support 13, you can apply
Plus stress, because the second arm of force system 92 includes the torque arm length of five second arm of forces 921, first arm of force 91 and second arm of force 921
Than being 1:5, the gross weight of institute's addition counterweight is F1/ 25, reach after predetermined normal stress by tangential compression system 5 start by
Level applies shear stress and starts shear rheology experiment；
Periodically provided by water pump 81 while shear stress is applied and examination is penetrated into by water tank 83 by the water of certain osmotic pressure
Sample, makes sample be in moisture state, after after sample water suction saturation, is carried out at hot-air drying by hot-air generating means 85
Reason, makes sample keep dry state, the weather environment in simulation shear rheology experimentation；
If shear stress is F2, apply pulling force by adding counterweight 523 to the pulley system 52 being connected with montant 512, while
Vibration on Start-up motor 42, makes vibrating motor 42 pass through the downward shear box 32 of rigid support 41 and applies energetic disturbance pressure, with reference to drawing
Power and pressure obtain the shear stress F of simulating actual conditions2, in shear stress F2In the presence of pull down cut box 32 along the side of side long 21
Carry out shear rheology experiment to slip, down cut box 32 in sliding process, the real-time automatic recording sample of displacement measurement system 6
Change in displacement situation, the situation of change of the real time record pressure of pull or press force test system 7.
Mechanical structure of the present invention is simple, can easily be accommodated, easy to operate, it is adaptable to large scale Soft Rock Rheology property research, phase
Larger to traditional soil mechanics shear rheology instrument specimen size, it is more accurate to measure result, can test in soft rock undisturbed, is applicable
Scope is wider；Increase energetic disturbance unit, certain disturbance is provided to tangential compression system by energetic disturbance unit, simulate quick-fried
Broken vibration；Energetic disturbance unit transmits oscillatory load by rigid support, and disturbance is produced to shear stress, and vibrating motor is arranged at
On rigid support, the size of transmission disturbance is adjusted by the riding position for changing motor, realize the dynamic load of varying strength, can
Realize the quantitative simulation of dynamic load during rheological test；Pulley is made away from shear box by lever, it is to avoid counterweight mistake at
Many, hierarchical loading selection is more；Sensor combines angle displacement sensor, linear displacement transducer and gear, bar and is driven
Various advantages, size is small, stroke is long, long lifespan, multipurpose, and simple installation, without compensation gap, with high accuracy, Gao Chong
Renaturation is measured and high position precision characteristic, both can be used for accurate measurement and location control, it is also possible to coordinate display instrument, as
Measuring instrument carries out manual measurement.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located in figure with parts in accompanying drawing and zero
Part position each other is intended merely to the clear and convenient of expression technology scheme come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment herein-above set forth and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance, including platform, the centre of the platform is provided with
Planned orbit and shear rheology unit, the planned orbit include a side long, the shear rheology unit along planned orbit length
Edge direction is slided, it is characterised in that the shear rheology unit connection energetic disturbance unit, tangential compression system, displacement are measured
System and pull or press force test system, the shearing of the energetic disturbance unit and tangential compression system corrdinated adjustment shear rheology unit
Power, the displacement measurement system measures the displacement of shear rheology unit and the change of pressure respectively with pull or press force test system,
The top of the shear rheology unit is provided with drying and watering cycle unit, and the drying and watering cycle unit realizes the dry and wet of shear rheology unit
Circulation, the shear rheology unit presets stress by normal direction compression system in the normal direction of the shear rheology unit.
2. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 1, it is characterised in that institute
Stating shear rheology unit includes upper shear box and down cut box, and the down cut box is in the lower section of upper shear box, the down cut
The top opposite sides of box is provided with translot along the long side direction of predetermined slide rail, and ball, the down cut box are provided with the translot
Bottom be provided with roller, the down cut box is slided by roller and ball along the long side direction of planned orbit；The power is disturbed
Moving cell includes rigid support and vibrating motor, and the vibrating motor is located on rigid support；The rigid support is clamped down and cut
The both sides of box are cut, the vibrating motor passes through the downward shear box conduction vibration load of rigid support.
3. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 2, it is characterised in that institute
It is the exciting source that power source is combined as a whole with vibration source to state vibrating motor, and the vibrating motor includes armature spindle and in armature spindle
The adjustable eccentric block that two ends are installed, the vibrating motor rotates the centrifugal force for producing by the high speed of armature spindle and adjustable eccentric block
Obtain exciting force.
4. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 2, it is characterised in that institute
Stating drying and watering cycle unit includes water pump, water inlet pipe, water tank, permeable stone, hot-air generating means and air inlet pipe, and the water tank is located at
The top of upper shear box, the permeable stone is located in water tank, and the air inlet pipe and water inlet pipe run through upper shear box, the air inlet
Pipe connects hot-air generating means, and the water inlet pipe is connected in water pump, the down cut box and filled by water pump and hot-air
Drying and watering cycle is realized in the effect put.
5. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 4, it is characterised in that institute
The top recessing of shear box is stated, the water tank is located in groove, the water tank top is provided with metal cover board, the water tank
Bottom is provided with permeable hole, side connection displacement measurement system and the pull or press force test system of the down cut box.
6. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 2, it is characterised in that institute
Tangential compression system is stated including rod member and pulley system, the rod member includes a cross bar and a montant, one end of the cross bar with
Down cut box is affixed, and the other end of cross bar is affixed with montant, and the montant connects pulley system.
7. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 6, it is characterised in that institute
Stating pulley system includes five fixed pulleys, and the fixed pulley includes central shaft and the flexible cable rotated around central shaft, the platform
Side is provided with the wire bearing consistent with fixed pulley quantity, and the wire bearing can be moved, the flat edge of table be provided with
The consistent pulley groove of fixed pulley quantity, the central shaft is located in pulley groove, and the side of the flexible cable is through wire branch
Seat connection montant, another side mounting counterweight of the flexible cable.
8. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 6, it is characterised in that institute
State cross bar to be mutually perpendicular to montant, and be welded as a whole.
9. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 2, it is characterised in that institute
Stating normal direction compression system includes first arm of force, the second arm of force system, fix bar and fulcrum support, and the fulcrum branch is erected at platform
On, the fix bar is located at the top of fulcrum support, affixed first arm of force in side of the fix bar, affixed second power of opposite side
Arm system, second arm of force system includes five second arm of forces, and five second arm of forces are symmetrical arranged, first arm of force and the second power
The torque arm length ratio of arm is 1:5, a lateral edges of the platform are provided with fixed support, the support bracket fastened quantity and the second power
The quantity of arm is consistent, and the support bracket fastened height is adapted with the height of fulcrum support, and the support bracket fastened top is equal
The central shaft of an affixed fixed pulley, the flexible cable side rotated around central shaft connects second arm of force, another side mounting counterweight, institute
The affixed rigid of transmission bar of first arm of force is stated, the rigid of transmission bar is arranged on water tank, and the rigid of transmission bar and water tank are successively
The default stress that the normal direction compression system is produced is delivered in the normal direction of the shear rheology unit.
10. the soft rock shear rheology instrument for realizing drying and watering cycle and energetic disturbance according to claim 1, it is characterised in that
The displacement measurement system is stay wire displacement sensor system, and the pull or press force test system is that strain-type pressure senses system
System, the displacement measurement system and pull or press force test system connect shear rheology unit, displacement measurement system of institute by drawstring
The housing of system and pull or press force test system is hard aluminium alloy material, the displacement measurement system and pull or press force test system
Cable connector wraps up the wirerope of Teflon material using surface using high-grade waterproof Aviation Connector, the drawstring.
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Application publication date: 20170531 |