CN106918531A - Can be used for multiphase coupled sound combination loading rock test rig and test method - Google Patents

Can be used for multiphase coupled sound combination loading rock test rig and test method Download PDF

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Publication number
CN106918531A
CN106918531A CN201611234126.0A CN201611234126A CN106918531A CN 106918531 A CN106918531 A CN 106918531A CN 201611234126 A CN201611234126 A CN 201611234126A CN 106918531 A CN106918531 A CN 106918531A
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pressure
passage
test specimen
test
confined
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CN106918531B (en
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王汉鹏
袁亮
张冰
李术才
李清川
朱海洋
张德民
张玉强
刘众众
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Shandong University
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Shandong University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/02Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
    • G01N7/04Analysing materials by measuring the pressure or volume of a gas or vapour by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder by absorption or adsorption alone
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/303Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight

Abstract

Can be used for multiphase coupled sound combination loading rock test rig and test method the invention discloses a kind of, device loads room module by visualization confined pressure, and air pressure control module, power load-on module and the part of constant volume module four constitute;The loading chamber of visualization confined pressure loading room module is the steel core structure of square-outside and round-inside, three faces open a window, the embedded tempering high-boron-silicon glass of window can realize the visualization of process of the test, simultaneously opening is installed back door and facilitates test specimen to exchange for, and can loading indoor location all kinds of monitoring devices drawn by the sensor lead passage of base plate realize process of the test in each physical and mechanical parameter of test specimen real-time monitoring;Package unit compact, simple structure, it is easy to dismounting, realizes adsorption-desorption characteristics of the coal and rock standard specimen under different load forms and coupled mode, different load phase coal seam with gas permeability and damage the accurate, quantitative of dilatation destructive process, visualizing monitor.

Description

Can be used for multiphase coupled sound combination loading rock test rig and test method
Technical field
It is more particularly to a kind of for studying announcement coal petrography the invention belongs to Mineral Engineering, Geotechnical Engineering scientific research technical field Body the adsorption-desorption rule of coal seam with gas, different load phase coal containing methane gas under static loading and energetic disturbance impact conditions Body permeates Changing Pattern and damages the test device systematic and test method of dilatation failure mechanism.
Background technology
Coal and gas prominent is a kind of extremely complex dynamic phenomenon, and J.Hanes et al. is according to Australian coal and gas Prominent investigation analysis, four-stage is divided into by coal and gas prominent evolution:Excitation phase, critical stage, stage of development And ending phase.For prominent excitation phase, it is described as:The deformation and failure of coal seam with gas reaches certain critical condition Or the external world is applied with suddenly a disturbance load, causes unstability coal petrography by rapid damage and dishes out, and forms initial prominent hole Hole.But mechanism of action of the physico-mechanical properties of crustal stress, gas pressure and coal during coal and gas prominent, at present still Do not study clear.
Achievement in research on coal and gas prominent mechanism makes us see clearly the influence factor of coal and gas prominent, hair substantially Exhibition process, mechanism of action and occurrence condition, but but there is a great difference in detail in these hypothesis and theory.Particularly disturb Under the conditions of coal seam with gas the prominent mechanism of broken cause and prominent shooting condition still need by the means depth such as experimental and theoretical analysis Enter research, from outward appearance to inner essence, layer by layer deeply, disclose the essence that coal and gas prominent occurs.Therefore, being used in the urgent need to developing one kind Multiphase coupled sound combination loading rock test device.
At present, for coal seam with gas adsorption-desorption, damage dilatation influence research, have carried out substantial amounts of research work Make, have developed a series of simulation test devices, present Research is as follows:
(1) Chinese patent of Application No. 201510055670.8 is the invention discloses a kind of constant volume coal containing methane gas gas-solid coupling Physical and mechanical parameter experimental rig and method are closed, including for the quantitative inflation to test specimen, three axles pressurization release and whole mistake The visualization loading system of the visualization real-time monitoring of journey, the constant volume system of the constant volume for realizing axial pressure process with And for realizing the normal pressure visualizing gas body to the quantitative unloading of confined pressure and the visualizing monitor of test specimen adsorption-desorption process Product measuring system.But exist device volume it is larger experiment inconvenience, loading chamber integrally use cylindrical glass anti-pressure ability it cannot be guaranteed that, And arc glass observation the image such as takes pictures the problems such as be easily deformed.
(2) Chinese patent of Application No. 200910104608.8 is the invention discloses a kind of coal containing methane gas heat flow piercement Three axle servo seepage apparatus, it includes elevator platform, hydraulic servo control system, axially loaded at the top of elevator platform Device and the triaxial cell for being connected to axial loading device lower end, can carry out different crustal stress, different gas pressures, difference The deformation-failure character research of the research of coal containing methane gas seepage tests and coal containing methane gas under the states such as temperature in flow event.
(3) Chinese patent of Application No. 201310137965.0 discloses chemistry under a kind of rock Single Fracture different temperatures Fluid flow experimental rig, including specimen appliance system, axial pressure system, confined pressure system, chemical solution pressure loading system, Servo-control system and data collecting system, the equipment are suitable to generation when research different temperatures chemical solution oozed rock Single Fracture Chemical attack-stress coupling effect.
(4)《Coal science and technology》" the coal containing methane gas that 7 phases of volume 37 in July, 2009 are delivered by Liu Jianzhong, Zhang Dongming etc. Triaxial compression test dress is disclosed in Experimental Study on Seepage Characteristics under different confined pressures " (page 86~89) text in 1.2nd trifle Put, the device is made up of loading system, measuring system and the part of gas feed system 3.Wherein loading system by Ag-250 and from Three bearing shells of main research and development this osmotic system composition, measuring system is mainly gas flowmeter, and gas feed system is by high pressure gas Tank, pressure-reducing valve and pressure gauge composition.Coal sample seepage characteristic under the conditions of change confined pressure and gas pressure can be studied.
The model test stand device system of the above-mentioned unit of comprehensive analysis, also has the following disadvantages:
1. above-mentioned experimental rig is no matter large or small, can not realize coal rock specimen in three axle static loadings and multiphase coupled effect Under power loading;
2. complex operation in above-mentioned experimental rig process of the test, bulky, unitary function, and major part are only capable of qualitatively Observation breakoff phenomenon is difficult to the visualization real-time monitoring of process of the test.
The absorption of coal and rock coal seam with gas under static loading and energetic disturbance impact conditions is disclosed preferably to study The test device systematic of adsorption law, different load phase coal seam with gas infiltration Changing Patterns and damage dilatation failure mechanism
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of to coordinate existing test pressure machine Carry out static loading again can under the conditions of the disturbance of independent operation simulation dynamic impact, different gas pressure coal seam with gas absorption solution Inhale rule and damage the test device systematic and test method of dilatation failure mechanism.
To achieve the above object, the present invention uses following technical proposals:
Can be used for multiphase coupled sound combination loading rock test rig, by visualization confined pressure loading room module, air pressure control Molding block, power load-on module, the part of constant volume module four composition;
Described visualization confined pressure loading room module is a steel drum formula structure for square-outside and round-inside;Steel drum formula inside configuration shape Into loading chamber;One through the pressure head entered into loading chamber at the top of it is provided with steel drum formula structural top, solution is provided with pressure head Inhale passage, the bottom of pressure head is provided with the face formula parsing groove with desorption channel connection, be provided with steel drum formula structure one with it is described Face formula parsing groove formula filling slot in face opposing upper and lower;Test specimen charging port and confined pressure mouthful are provided with the base plate of steel drum formula structure;
Described air pressure control module is connected with test specimen charging port, confined pressure mouthful, desorption passage respectively, by confined pressure mouth by gas The loading chamber that body introduces sealing realizes simulation confined pressure crustal stress function;It is right in loading chamber to be introduced gases into by test specimen charging port Test specimen is quantitatively inflated;Make desorption gas by top surface formula solution bothrium into realizing that adsorption-desorption is determined inside pressure head by desorbing passage Measure examination;
Described power load-on module provides power for described pressure head;
Described constant volume module is arranged on the top that visualization confined pressure loads room module, and it includes two horizontal appearance pistons, Pressure head is pushed or risen, and the constant volume piston at two ends will be driven to link together so that the volume of reative cell is permanent during axial pressure Determine to exclude interference of the pressure change to process of the test.
Further, described air pressure control module includes a valve block, the desorption of valve block is provided with described valve block logical Road, test specimen fill passage, fill confined pressure passage, unload confined pressure passage, pressure sensor and safety overflow valve,
Described desorption passage end connection stop valve, the other end desorbs passway company by pipeline with the pressure head in pressure head Connect, desorption gas are introduced in valve block desorption passage so as to realize pressure acquisition when being desorbed containing test specimen;
Described test specimen filling passage end connection stop valve, the other end fills mouth and is connected, realizes by pipeline and test specimen To the gas filling of test specimen;
Described fills confined pressure passage end connection stop valve, and the other end is connected with confined pressure mouthful by pipeline, realized to loading Indoor gas filling is with dummy level stress;
Described unloads confined pressure passage end connection stop valve, and the other end merges with confined pressure passage is filled, and by correspondence pipeline It is connected with confined pressure mouthful, realizes the unloading to loading indoor gas to simulate the horizontal stress of different gradients;
Described pressure sensor be arranged on valve block on each passage UNICOM, realize to desorption pressures, stowing pressure, loading The Real-time Collection of room confined pressure pressure and monitoring;
Described safety overflow valve plays automatic pressure-relief function when pressure under unexpected factor exceedes safety value, and described cuts Only valve plays closing and cut-out source of the gas function.
Further, when dynamic impact is tested, described power load-on module includes support, transmission rod and impact weight Code, the transmission rod is arranged on support, and the impact counterweight is made up of the circular bloom of some different qualities;Will before experiment Transmission rod puts impact counterweight in advance, then the pressure head being placed on pressure head and by forcing press is compressed, when module works, will The certain impact counterweight of quality slides along the different height of the axial direction of transmission rod makes it do freely falling body, finally by pressure head Impact energy is passed into test specimen and completes impact test;
Further, in static test, described power load-on module is servo-pressing machine.
Further, described constant volume module also includes two supports, and two described supports are consolidated by crossbeam with pressure head Fixed connection, is separately mounted on support push or rise together with described pressure head in two described horizontal pistons that hold;And it is described The sectional area sum of two constant volume pistons the cross-sectional area of top plate portion is stretched into equal to pressure head, so as to avoid making because of pressure head lifting Change into volume and cause experiment to disturb, its constant volume piston is provided with sealed groove and ensures air-tightness for placing sealing ring.
Further, four sides of described steel drum formula structure, wherein three side difference transparent forms, a side Back door is installed;The base plate of the top board bottom at the top of it compresses loading chamber to form confined space by four root posts, adds described Carrying interior can install all kinds of monitoring devices (such as sensor, LED lamp) and the sensor lead passage extraction realization examination for passing through base plate The real-time monitoring of each physical and mechanical parameter of test specimen during testing.
Further, it is recessed that described loading chamber upper and lower ends are equipped with sealing with roof and floor contact surface and back door opening position Groove is used to place the sealing function after sealing ring realizes steel construction compression.
Further, the built-in sealing ring of three seals groove is set in described top board center drilling and plays pressure head through top board Go deep into the sealing function of loading chamber process;
Further, tempering high-boron-silicon glass is installed, the upper and lower surface of tempering high-boron-silicon glass is glued on described forms The circular asbestos washer of patch is together embedded in composition visualization window in forms and can realize that the visualization of process of the test is seen with glass Examine.
It is as follows that three axles load the multiphase coupled specific test procedure of static test:
1) the visualization confined pressure loading chamber module bodies of device are placed on servo-pressing machine operating platform, make device pressure Head is docked with press ram;
2) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
3) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor connects with acquisition system on valve block Connect;
4) test specimen is placed on the formula filling groove of face;
5) start servo-pressing machine, decline pressure head, until face formula solution bothrium and test specimen upper surface stop;
6) the confined pressure passage that unloads on air pressure control module is connected with vacuum extractor, and opens stop valve startup and take out true It is empty;
6) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
7) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
8) stop valve for filling confined pressure passage is opened, source of the gas is opened and confined pressure is filled to loading chamber;
9) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
10) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/note is carried out to test specimen Water, simulates coal and rock adsorption-desorption or hydraulic fracture operating mode;
11) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each cut-off is closed Valve;
12) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
13) binding tests scheme, loading, unloading and multiphase coupled, its axially loaded pressure of varying strength are carried out to test specimen Force value fills value by pressure sensor monitor in real time by servo-pressing machine control, confined pressure and face formula;
14) visualization window of room module, observation or video recording are loaded by visualizing confined pressure, record test specimen is in different loadings Deformation-failure character under pressure condition, by coal rock specimen under desorption channel monitoring Gas-solid Coupling state on air pressure control module Desorption pressures;
15) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, opens side door, takes out Test specimen.
Using the described method that multiphase coupled sound combination loading rock test rig carries out dynamic test that can be used for,
1) the visualization confined pressure loading room module of device is placed on servo-pressing machine operating platform;
2) transmission rod is covered into upthrust counterweight and is positioned on visualization confined pressure loading room module pressure head, start servo pressure Machine, declines pressure head, and transmission rod is compressed;
3) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
4) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor connects with acquisition system on valve block Connect;
5) test specimen is placed on the formula filling groove of face;
6) decline pressure head, until face formula solution bothrium and test specimen upper surface stop;
7) the confined pressure passage that unloads on air pressure control module is connected with vacuum extractor, and opens stop valve startup and take out true It is empty;
8) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
9) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
10) stop valve for filling confined pressure passage is opened, source of the gas is opened and confined pressure is filled to loading chamber;
11) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
12) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/note is carried out to test specimen The operating modes such as water, simulation coal and rock adsorption-desorption or hydraulic fracture;
13) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each cut-off is closed Valve;
14) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
15) binding tests scheme, the impact counterweight of certain mass is placed in into different height makes it along transmission rod axial direction Do the movement of falling object, complete the impact acting to test specimen under three axle loading environments, and change shock height and varying strength Load, unload and multiphase coupled;
16) visualization window of room module, observation or video recording are loaded by visualizing confined pressure, record test specimen is in different loadings Deformation-failure character under pressure condition, by coal rock specimen under desorption channel monitoring Gas-solid Coupling state on air pressure control module Desorption pressures;
17) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, takes out test specimen.
The beneficial effects of the invention are as follows:
1 device uses modularized design, and each module division of labor is clear and definite, motivated, easy to operate;
2 can carry out three axle loadings to test specimen with reference to conventional servo forcing press, power load-on module can be installed again and completes three Dynamic impact test under axle loading environment;
3 can realize quantitative inflation/water filling to coal and rock standard specimen, the pressurization release of three axles and whole process can Depending on changing real-time monitoring;
4 air pressure control modules install pressure sensor and test pressure can be monitored and controlled;
5 visualization confined pressure loading room modules are equipped with back door, can at any time beat opening/closing, facilitate test specimen to introduce/take out;
6 measurements that can realize test specimen desorption quantity under Gas-solid Coupling state, specific measuring method be by external gas source and Pressure sensor is controlled, and known quantity gas, test specimen top and face formula desorption channel connection, static loading or dynamic are filled to test specimen bottom surface In state impact process, desorption gas enter air pressure control module by adsorption-desorption passage, by pressure sensor or external matter The monitoring of amount flowmeter and calculating desorption pressures and desorption quantity;
7 can realize the constant volume of axial pressure process to exclude interference of the pressure change to process of the test, specific method Be, in process of the test constant volume piston with pressure head push it is synchronous move down, constant volume cylinder is moved relative on constant volume piston, in compression chamber Gas confined pressure is connected into constant volume cylinder by pipeline with constant volume connector, and pressure head stretches into the top board that visualization confined pressure loads room module Partial cross section product is equal to two ends constant volume cylinder area sum, so as to realize constant volume.
Brief description of the drawings
Fig. 1, Fig. 2, Fig. 3 are the overall structure diagrams of all parts of the present invention;
Fig. 4 is to visualize the cut-away view that confined pressure loads room module;
Fig. 5 is visualization confined pressure loading room module schematic appearance;
Fig. 6, Fig. 7, Fig. 8 are visualization confined pressure loading chamber base arrangement schematic diagrames;
Fig. 9 is air pressure control module schematic diagram;
Figure 10 is power load-on module schematic diagram;
Figure 11, Figure 12 are constant volume module diagrams;
Wherein, 1 visualization confined pressure loading room module, 1-1 base plates, 1-2 top boards, 1-3 columns, 1-4 pressure heads, 1-5 faces formula is filled Fill out groove, 1-6 faces formula solution bothrium, 1-7 desorption passages, 1-8 loading chambers, 1-9 forms, 1-10 tempering high-boron-silicon glass, 1-11 back doors, 1-12 seal grooves, 1-13 sensor lead passages, 1-14 test specimens filling mouth, 1-15 confined pressures mouthful, 1-16 aviation plugs, 1-17 plugs Firm banking, 1-18 insulator pins;2 air pressure control modules, 2-1 valve blocks, 2-2 desorption passages, 2-3 test specimens filling passage, 2-4 fills Confined pressure passage, 2-5 unloads confined pressure passage, 2-6 module connectors, 2-7 pressure sensors, 2-8 safety overflow valves, 2-9 stop valves;3 Power load-on module, 3-1 transmission rods, 3-2 impact counterweights;4 constant volume modules, 4-1 constant volume supports, 4-2 constant volume cylinders, 4-3 constant volumes are lived Plug, 4-4 constant volume fixed beams, 4-5 constant volume connectors.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows:Can be used for multiphase coupled sound combination loading rock test rig, including visualization is enclosed Pressure loading room module 1, air pressure control module 2, power load-on module 3 and constant volume module 4;Each module point work(clearly, cooperates, Its visualization confined pressure loading room module 1 provides visual test space for the multiphase coupled and three axles loading of standard specimen;Gas Pressure control module 2 realizes the air pressure quantitative filling and control to each passage in loading chamber;Power load-on module 3 is completed to test specimen Dynamic impact test;Constant volume module 4 ensure that the constant volume of reative cell during axial pressure changes to examination to exclude pressure Test the interference of process.Both gases at high pressure absorption and confined pressure loading can be carried out to test specimen with reference to conventional servo forcing press, can be installed again Power load-on module carries out scragging;
Visualization confined pressure loading room module, can at any time beat opening/closing, facilitate test specimen to introduce/take out;Can pacify in loading chamber Fill all kinds of monitoring devices (such as sensor, LED lamp) and test specimen in process of the test is realized by the sensor lead passage extraction of base plate The real-time monitoring of each physical and mechanical parameter;
Air pressure control module, internal each passage is passed with corresponding visualization confined pressure loading room module connection, and assembling pressure Sensor is realized to the quantitative inflation in visualization confined pressure loading room module and test specimen desorption quantity monitoring measurement;
During three axle static loadings, pressure head is docked with servo-pressing machine and realizes axially loaded, external gas source or oil sources are led to Cross air pressure control module fill confined pressure passage realize it is gas/oil with dummy level stress to filling for coal rock specimen;
Transmission rod is covered upthrust counterweight and is positioned over visualization confined pressure during dynamic impact test and is loaded on room module pressure head, Start servo-pressing machine, decline pressure head, transmission rod is compressed, binding tests scheme, the impact counterweight of certain mass is placed in Different height makes it do the movement of falling object along transmission rod axial direction, completes to do the impact of test specimen under three axle loading environments Work(.
As shown in Figure 4, Figure 5:Can be used for the visualization confined pressure loading of multiphase coupled sound combination loading rock test rig Room module 1, mainly by base plate 1-1, top board 1-2, column 1-3, pressure head 1-4, face formula filling groove 1-5, face formula solution bothrium 1-6, solution Inhale passage 1-7, loading chamber 1-8, forms 1-9, tempering high-boron-silicon glass 1-10, back door 1-11, seal groove 1-12, sensor lead Passage 1-13, test specimen filling mouth 1-14, confined pressure mouthful 1-15, aviation plug 1-16, plug firm banking 1-17 and insulator pin 1- 18 compositions.
Its loading chamber 1-8 is the steel drum formula structure of square-outside and round-inside, and three faces windowing one side is opened the door and passes through bolt and forms respectively 1-9 and back door 1-11 is connected, and loading chamber 1-8 is compressed to form confined air by its base plate 1-1 and top board 1-2 by four root post 1-3 Between, and loading chamber 1-8 upper and lower ends and back door 1-11 aperture positions are equipped with a road sealing groove 1-12 for placing sealing ring reality Sealing function after existing steel construction compression, sets the three seals groove built-in sealing rings of 1-12 and plays pressure in top board 1-2 center drillings Head 1-4 gos deep into the sealing function of loading chamber 1-8 processes through top board 1-2, and its tempering high-boron-silicon glass 1-10 upper and lower surfaces are glued The circular asbestos washer of patch is together arranged on composition visualization window in forms 1-9 with glass and can realize the visualization of process of the test Observation, its back door 1-11 is the opening for placing test specimen and various kinds of sensors, and its insulator pin 1-18 runs through sensor lead passage 1-13 is simultaneously sealed by irrigating high-strength sealing glue, and lead two ends are welded aviation plug 1-16 and are fixed on plug and fix bottom Sensor is facilitated to connect on seat 1-17, as shown in Fig. 6,7,8, test specimen filling mouth 1-14 introduces a gas into face formula by external gas source Filling groove 1-5 realizes the uniform gas filling to test specimen, and confined pressure mouthful 1-14 introduces a gas into the loading of sealing by external gas source Room 1-8 realizes simulation confined pressure crustal stress function, and face formula solution bothrium 1-6 is docked with pressure head 1-4 can be by test specimen desorption gas by solution Inhale passage 1-7 and guide to outside;
As shown in Figure 9:Can be used for multiphase coupled sound combination loading rock test rig air pressure control module 2 it is main by Valve block 2-1, desorbs passage 2-2, test specimen filling passage 2-3, fills confined pressure passage 2-4, unloads confined pressure passage 2-5, module connector 2- 6, pressure sensor 2-7, safety overflow valve 2-8, stop valve 2-9;
Its valve block 2-1 desorbs passage 2-2, test specimen filling passage 2-3 for rectangle aluminium block is included, fills confined pressure passage 2-4, unloads and enclose Pressure passageway 2-5, desorption passage 2-2 one end connection stop valve 2-9 one end are by corresponding module connector 2-6 and pressure head 1-4 Desorption passage 1-7 connection, by desorption gas introduce desorption passage 2-2 so as to realize pressure acquisition when being desorbed containing test specimen;Examination Tried by the 1-14 in corresponding module connector 2-6 and base plate 1-1 part filling passage 2-3 one end connection stop valve 2-9 one end The gas filling to test specimen is realized in part filling mouth connection;Confined pressure passage 2-4 one end connection stop valve 2-9 one end is filled by corresponding Module connector 2-6 is connected with the confined pressure mouthful 1-15 in base plate 1-1, realizes to the gas filling in loading chamber 1-8 with simulation water Horizontal stress;Unload confined pressure passage 2-5 one end connection stop valve 2-9 one end and fill confined pressure passage 2-4 and merge and by corresponding module Connector 2-6 is connected with the confined pressure mouthful 1-15 in base plate 1-1, realizes to the unloading of gas in loading chamber 1-8 to simulate different ladders The horizontal stress of degree;Pressure sensor 2-7 is separately mounted to realize enclosing desorption pressures, stowing pressure, loading chamber on valve block 2-1 The Real-time Collection of pressure pressure;Its safety overflow valve 2-8 plays automatic pressure-relief function when pressure under unexpected factor exceedes safety value, Its stop valve 2-9 plays closing and cut-out source of the gas function.
As shown in Figure 10, power load-on module 3 is by transmission rod 3-1, impact counterweight 3-2 compositions;Its transmission rod 3-1 is heavy wall Steel pipe, impact counterweight 3-2 is made up of the circular bloom of some different qualities, and transmission rod 3-1 is put into impact counterweight 3- in advance 2, then be placed on pressure head 1-4 and by the pressure head compression of forcing press, when module works, by the certain impact counterweight of quality 3-2 slides along the different height of the axial direction of transmission rod 3-1 makes it do freely falling body, finally by pressure head 1-4 by impact energy Amount passes to test specimen and completes impact test;
As shown in Figure 11, Figure 12:Can be used for the constant volume module 4 of multiphase coupled sound combination loading rock test rig, it is main To be made up of constant volume support 4-1, constant volume cylinder 4-2, constant volume piston 4-3, constant volume fixed beam 4-4 and constant volume connector 4-5, its constant volume Support 4-1 is fixed on top board 1-2, and constant volume cylinder 4-2 is fixed on constant volume support 4-1, and its constant volume piston 4-3 is fixed on constant volume and fixes Beam 4-4 two ends, constant volume fixed beam 4-4 is fixed on pressure head 1-4, and constant volume cylinder 4-2 tops are connected by pipeline with constant volume connector 4-5 Connect, system is that pressure head is pushed or risen when working, the constant volume piston 4-3 at two ends will be driven to link together, and two constant volume pistons The sectional area sum of 4-3 is equal to pressure head 1-4 and stretches into the cross-sectional area of top board 1-2 parts so as to ensure to be loaded in pressure head lifting process Chamber volume is constant (avoiding the volume caused by pressure head is lifted from changing causes experiment to disturb), and its constant volume piston 4-3 is provided with seal groove 1-12 is used to place sealing ring guarantee air-tightness;
Three axles being carried out using said apparatus and loading multiphase coupled static test, specific test procedure is as follows:
1) the visualization confined pressure loading chamber module bodies of device are placed on servo-pressing machine operating platform, make device pressure Head is docked with press ram;
2) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
3) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor connects with acquisition system on valve block Connect;
4) back door is opened, test specimen is placed on the formula filling groove of face;
5) closing back door starts servo-pressing machine, declines pressure head, until face formula solution bothrium and test specimen upper surface stop Only;
6) discharge channel on air pressure control module is connected with vacuum extractor, and opens stop valve startup and vacuumized (other stop valves are closed);
6) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
7) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
8) stop valve for filling confined pressure passage is opened, opening source of the gas fills confined pressure to loading chamber, and (coal sample can be filled without adsorption-desorption The helium of matter, rock sample oil-filled can be pressed);
9) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
10) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/note is carried out to test specimen The operating modes such as water, simulation coal and rock adsorption-desorption or hydraulic fracture;
11) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each cut-off is closed Valve;
12) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
13) binding tests scheme, loading, unloading and multiphase coupled, its axially loaded pressure of varying strength are carried out to test specimen Force value by servo-pressing machine control, (live in process of the test by pressure sensor monitor in real time for confined pressure and face formula filling value by constant volume Fill in pressure head push it is synchronous move down, constant volume cylinder is moved relative on constant volume piston, pressurization indoor gas confined pressure by pipeline with The connection of constant volume connector enters constant volume cylinder, realizes constant volume);
14) by visualization window, observe or record a video, deformation failure of the record test specimen under the conditions of different on-load pressures is special Levy, by coal rock specimen desorption pressures under desorption channel monitoring Gas-solid Coupling state on air pressure control module;
15) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, opens side door, takes out Test specimen.
Dynamic load impact test is carried out using said apparatus, specific test procedure is as follows:
1) the visualization confined pressure loading room module of device is placed on servo-pressing machine operating platform;
2) transmission rod is covered into upthrust counterweight and is positioned on visualization confined pressure loading room module pressure head, start servo pressure Machine, declines pressure head, and transmission rod is compressed;
3) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
4) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor connects with acquisition system on valve block Connect;
5) back door is opened, test specimen is placed on the formula filling groove of face;
6) closing back door, declines pressure head, until face formula solution bothrium and test specimen upper surface stop;
7) discharge channel on air pressure control module is connected with vacuum extractor, and opens stop valve startup and vacuumized (other stop valves are closed);
8) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
9) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
10) stop valve for filling confined pressure passage is opened, opening source of the gas fills confined pressure to loading chamber, and (coal sample can be filled without adsorption-desorption The helium of matter, rock sample oil-filled can be pressed);
11) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
12) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/note is carried out to test specimen The operating modes such as water, simulation coal and rock adsorption-desorption or hydraulic fracture;
13) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each cut-off is closed Valve;
14) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
15) binding tests scheme, the impact counterweight of certain mass is placed in into different height makes it along transmission rod axial direction Do the movement of falling object, complete the impact acting to test specimen under three axle loading environments, and change shock height and varying strength Load, unload and multiphase coupled;
16) by visualization window, observe or record a video, deformation failure of the record test specimen under the conditions of different on-load pressures is special Levy, by coal rock specimen desorption pressures under desorption channel monitoring Gas-solid Coupling state on air pressure control module;
17) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, opens side door, takes out Test specimen.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.

Claims (10)

1. multiphase coupled sound combination loading rock test rig can be used for, it is characterised in that by visualization confined pressure loading chamber mould Block, air pressure control module, power load-on module, the part of constant volume module four composition;
Described visualization confined pressure loading room module is a steel drum formula structure for square-outside and round-inside;Steel drum formula inside configuration is formed and added Carry room;One through the pressure head entered into loading chamber at the top of it is provided with steel drum formula structural top, desorption is provided with pressure head logical Road, the bottom of pressure head is provided with the face formula parsing groove with desorption channel connection, and one is provided with steel drum formula structure with the face formula Parsing groove formula filling slot in face opposing upper and lower;Test specimen charging port and confined pressure mouthful are provided with the base plate of steel drum formula structure;
Described air pressure control module is connected with test specimen charging port, confined pressure mouthful, desorption passage respectively, is drawn gas by confined pressure mouthful The loading chamber for entering sealing realizes simulation confined pressure crustal stress function;Introduced gases into loading chamber to test specimen by test specimen charging port Quantitative inflation;Make desorption gas by top surface formula solution bothrium into realizing that adsorption-desorption is quantitatively surveyed inside pressure head by desorbing passage Examination;
Described power load-on module provides power for described pressure head;
Described constant volume module is arranged on the top that visualization confined pressure loads room module, and it includes two horizontal appearance pistons, in pressure head Push or rise, will drive two ends constant volume piston link together so that during axial pressure the constant volume of reative cell with Exclude interference of the pressure change to process of the test.
2. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that described Air pressure control module include a valve block, be provided with described valve block valve block desorption passage, test specimen filling passage, fill confined pressure Passage, confined pressure passage, pressure sensor and safety overflow valve are unloaded,
Described desorption passage end connection stop valve, the other end desorbs passway and is connected by pipeline and the pressure head in pressure head, Desorption gas are introduced in valve block desorption passage so as to realize pressure acquisition when being desorbed containing test specimen;
Described test specimen filling passage end connection stop valve, the other end fills mouth and is connected, realizes to examination by pipeline and test specimen The gas filling of part;
Described fills confined pressure passage end connection stop valve, and the other end is connected with confined pressure mouthful by pipeline, realized in loading chamber Gas filling with dummy level stress;
Described unloads confined pressure passage end connection stop valve, and the other end merges with confined pressure passage is filled, and by corresponding to pipeline and enclosing Pressure mouth connection, realizes the unloading to loading indoor gas to simulate the horizontal stress of different gradients;
Described pressure sensor is arranged on valve block desorption pressures, stowing pressure, loading chamber are enclosed with each passage UNICOM, realization The Real-time Collection of pressure pressure and monitoring;
Described safety overflow valve plays automatic pressure-relief function when pressure under unexpected factor exceedes safety value, described stop valve Play closing and cut-out source of the gas function.
3. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that dynamic During power impact test, described power load-on module includes support, transmission rod and impact counterweight, and the transmission rod is arranged on support On, the impact counterweight is made up of the circular bloom of some different qualities.
4. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that quiet When carrying experiment, described power load-on module is servo-pressing machine.
5. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that described Constant volume module also include two supports, two described supports are fixedly connected by crossbeam with pressure head, in two described horizontal strokes Hold piston to be separately mounted on support push or rise together with described pressure head;And two described sectional areas of constant volume piston Sum stretches into the cross-sectional area of top plate portion equal to pressure head, causes experiment dry so as to avoid the volume caused by pressure head is lifted from changing Disturb, its constant volume piston is provided with sealed groove and ensures air-tightness for placing sealing ring.
6. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that described Steel drum formula structure four sides, wherein three sides difference transparent forms, back door is installed in a side;Top board at the top of it The base plate of bottom compresses loading chamber to form confined space by four root posts, and all kinds of monitoring dresses can be installed in the loading chamber Put and the sensor lead passage by base plate draws the real-time monitoring for realizing each physical and mechanical parameter of test specimen in process of the test.
7. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that described Loading chamber upper and lower ends and roof and floor contact surface and back door opening position be equipped with sealed groove and realized for placing sealing ring Sealing function after steel construction compression.
8. multiphase coupled sound combination loading rock test rig can be used for as claimed in claim 1, it is characterised in that described Forms on tempering high-boron-silicon glass is installed, the upper and lower surface of tempering high-boron-silicon glass pastes circular asbestos washer and glass Together being embedded in composition visualization window in forms can realize the visual observation of process of the test.
9. static load is carried out using claim 2-8 any described multiphase coupled sound combination loading rock test rigs that can be used for The method of experiment, it is characterised in that:
1) the visualization confined pressure loading chamber module bodies of device are placed on servo-pressing machine operating platform, make device pressure head with Press ram is docked;
2) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
3) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor is connected with acquisition system on valve block;
4) test specimen is placed on the formula filling groove of face;
5) start servo-pressing machine, decline pressure head, until face formula solution bothrium and test specimen upper surface stop;
6) the confined pressure passage that unloads on air pressure control module is connected with vacuum extractor, and opens stop valve startup and vacuumized;
6) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
7) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
8) stop valve for filling confined pressure passage is opened, source of the gas is opened and confined pressure is filled to loading chamber;
9) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
10) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/water filling, mould is carried out to test specimen Intend coal and rock adsorption-desorption or hydraulic fracture operating mode;
11) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each stop valve is closed;
12) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
13) binding tests scheme, loading, unloading and multiphase coupled, its axially loaded pressure value of varying strength are carried out to test specimen By servo-pressing machine control, confined pressure and face formula fill value by pressure sensor monitor in real time;
14) visualization window of room module, observation or video recording are loaded by visualizing confined pressure, record test specimen is in different on-load pressures Under the conditions of deformation-failure character, by air pressure control module desorb channel monitoring Gas-solid Coupling state under coal rock specimen desorb Pressure;
15) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, opens side door, takes out test specimen.
10. action is entered using claim 2-8 any described multiphase coupled sound combination loading rock test rigs that can be used for The method for carrying experiment, it is characterised in that:
1) the visualization confined pressure loading room module of device is placed on servo-pressing machine operating platform;
2) transmission rod is covered into upthrust counterweight and is positioned on visualization confined pressure loading room module pressure head, start servo-pressing machine, Decline pressure head, transmission rod is compressed;
3) test specimen is locked with heat-shrink tube, its upper and lower both ends open;
4) base plate and pressure head Exit to all routes are connected with valve block corresponding interface, sensor is connected with acquisition system on valve block;
5) test specimen is placed on the formula filling groove of face;
6) decline pressure head, until face formula solution bothrium and test specimen upper surface stop;
7) the confined pressure passage that unloads on air pressure control module is connected with vacuum extractor, and opens stop valve startup and vacuumized;
8) after the pressure sensor for unloading confined pressure passage to be monitored reaches desired value, stop valve is closed, closes vacuum extractor;
9) the confined pressure passage that fills on air pressure control module is connected with extraneous source of the gas;
10) stop valve for filling confined pressure passage is opened, source of the gas is opened and confined pressure is filled to loading chamber;
11) the test specimen filling passage on air pressure control module is connected with extraneous source of the gas;
12) stop valve that test specimen fills passage is opened, opens high-pressure air source or water source, face formula inflation/water filling, mould is carried out to test specimen Intend the operating modes such as coal and rock adsorption-desorption or hydraulic fracture;
13) after the pressure sensor readings for filling confined pressure passage and test specimen filling passage reach desired value, each stop valve is closed;
14) it is again started up servo-pressing machine and pushes forcing press reaching desired value;
15) binding tests scheme, the impact counterweight of certain mass is placed in into different height makes it be done certainly along transmission rod axial direction By falling, complete the impact acting to test specimen under three axle loading environments, and change shock height and varying strength loading, Unload and multiphase coupled;
16) visualization window of room module, observation or video recording are loaded by visualizing confined pressure, record test specimen is in different on-load pressures Under the conditions of deformation-failure character, by air pressure control module desorb channel monitoring Gas-solid Coupling state under coal rock specimen desorb Pressure;
17) off-test, the confined pressure passage that unloads opened on air pressure control module carries out confined pressure unloading, takes out test specimen.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102053253A (en) * 2009-10-30 2011-05-11 中国石油化工股份有限公司 Rock sample detection and data acquisition system and method and application thereof
CN103344539A (en) * 2013-06-27 2013-10-09 中国科学院武汉岩土力学研究所 Long-term multi-field coupling test device and method for seepage pressure and phase component proportion-controllable rock
CN103454164A (en) * 2013-09-13 2013-12-18 安徽理工大学 Multi-field coupled coal rock impact loading experimental device and method
CN104614298A (en) * 2015-02-03 2015-05-13 山东大学 Constant-volume gas-bearing coal gas-solid coupling physical and mechanical parameter testing device and testing method
CN104749025A (en) * 2015-04-16 2015-07-01 煤炭科学技术研究院有限公司 Macro-micro three-axis visual pressure chamber for coal and rock
JP2015214805A (en) * 2014-05-08 2015-12-03 公益財団法人地球環境産業技術研究機構 Diagnostic system in rock, container for use in the same, diagnostic method in rock and fluid injection method into ground rock

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102053253A (en) * 2009-10-30 2011-05-11 中国石油化工股份有限公司 Rock sample detection and data acquisition system and method and application thereof
CN103344539A (en) * 2013-06-27 2013-10-09 中国科学院武汉岩土力学研究所 Long-term multi-field coupling test device and method for seepage pressure and phase component proportion-controllable rock
CN103454164A (en) * 2013-09-13 2013-12-18 安徽理工大学 Multi-field coupled coal rock impact loading experimental device and method
JP2015214805A (en) * 2014-05-08 2015-12-03 公益財団法人地球環境産業技術研究機構 Diagnostic system in rock, container for use in the same, diagnostic method in rock and fluid injection method into ground rock
CN104614298A (en) * 2015-02-03 2015-05-13 山东大学 Constant-volume gas-bearing coal gas-solid coupling physical and mechanical parameter testing device and testing method
CN104749025A (en) * 2015-04-16 2015-07-01 煤炭科学技术研究院有限公司 Macro-micro three-axis visual pressure chamber for coal and rock

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108169062B (en) * 2017-12-26 2019-05-07 中国石油大学(华东) Simulate the visual test device and method of subterranean coal gas preservation desorption process
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