CN204008318U - Colliery dynamic disaster Multi-parameter coupling determinator - Google Patents
Colliery dynamic disaster Multi-parameter coupling determinator Download PDFInfo
- Publication number
- CN204008318U CN204008318U CN201420505251.0U CN201420505251U CN204008318U CN 204008318 U CN204008318 U CN 204008318U CN 201420505251 U CN201420505251 U CN 201420505251U CN 204008318 U CN204008318 U CN 204008318U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- high pressure
- closed shell
- cylinder
- pressure resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Colliery dynamic disaster Multi-parameter coupling determinator, relates to a kind of colliery dynamic disaster determinator.Dynamic disaster generation environment under can realistic simulation coal mine, surrouding rock stress, gas pressure when Accurate Determining dynamic disaster occurs.Two are vertically connected to synchronous loading hydraulic cylinder and high pressure resistant rigidity closed shell upper and lower surface, and two are vertically connected to synchronous loading hydraulic cylinder cylinder bar and the briquetting one being arranged in high pressure resistant rigidity closed shell; Two levels are connected to synchronous loading hydraulic cylinder cylinder body and high pressure resistant rigidity closed shell left and right lateral surface, and two levels are connected to synchronous loading hydraulic cylinder cylinder bar and the briquetting two being arranged in high pressure resistant rigidity closed shell; Two are vertically communicated with two small plunger formula hydraulic cylinder one cylinder bodies by two pipelines one to synchronous loading hydraulic cylinder cylinder body rodless cavity, and two levels are communicated with two small plunger formula hydraulic cylinder two cylinder bodies by two pipelines two to synchronous loading hydraulic cylinder cylinder body rodless cavity.The utility model is for colliery dynamic disaster parametric measurement.
Description
Technical field
The utility model relates to a kind of colliery dynamic disaster determinator.
Background technology
It is complicated that mining of deep mine dynamic disaster forms mechanism, and risk factor is numerous.Mine motive force disaster and coal petrography physico-mechanical properties are closely related, relevant with factors such as ground temperature, ocurrence of coal seam and tectonic structures, are the coefficient results of the factor such as terrestrial stress and gas pressure.
Existing colliery dynamic disaster index testing device mainly comprises country rock dynamic disaster proving installation and coal and Gas Outburst proving installation.Country rock dynamic disaster proving installation mainly uses rock mechanics test macro, gas pressure index when coal and Gas Outburst proving installation are mainly used in testing dynamic disaster generation.Two kinds of proving installations are separate, index parameter is uncorrelated mutually, can not measure surrouding rock stress, gas pressure and temperature parameter to the index parameter under the acting in conjunction of dynamic disaster, can not disclose the multifactor coupling mechanism that dynamic disaster occurs, be difficult to mine motive force disaster to test, monitor.
Summary of the invention
The purpose of this utility model is to provide a kind of colliery dynamic disaster Multi-parameter coupling determinator, it can realistic simulation coal mine under the environment that occurs of dynamic disaster, surrouding rock stress, gas pressure when Accurate Determining dynamic disaster occurs, provide Data support for setting up the multifactor coupling monitoring and warning of dynamic disaster model, for dynamic disaster monitoring and warning provides index parameter.
Realize above-mentioned purpose, the technical scheme that the utility model is taked is:
Colliery dynamic disaster Multi-parameter coupling determinator, it comprises that two, two of high pressure resistant rigidity closed shells, pressure unit, sealing loading hydraulic cylinder, gas charging system, control system one, control system are vertically to synchronous loading hydraulic cylinder, two levels to synchronous loading hydraulic cylinder, one and two briquettings two of two, two briquettings of one, two small plunger formula hydraulic cylinders of two small plunger formula hydraulic cylinders; High pressure resistant rigidity closed shell horizontal positioned, high pressure rigidity closed shell inner chamber is sealed gas chamber, two are vertically connected with upper surface and the lower surface of high pressure resistant rigidity closed shell respectively to the cylinder body of synchronous loading hydraulic cylinder, and two vertically coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder, two are vertically all arranged in high pressure resistant rigidity closed shell to the cylinder bar of synchronous loading hydraulic cylinder, are eachly vertically all connected with a briquetting one to the cylinder bar outer end of synchronous loading hydraulic cylinder; Two levels are connected with left outside side and the right outside side of high pressure resistant rigidity closed shell respectively to the cylinder body of synchronous loading hydraulic cylinder, and two levels coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder, two levels are all arranged in high pressure resistant rigidity closed shell to the cylinder bar of synchronous loading hydraulic cylinder, and each level is all connected with a briquetting two to the cylinder bar outer end of synchronous loading hydraulic cylinder; Two are vertically communicated with the cylinder body of two small plunger formula hydraulic cylinders one and are formed airtight cavity one by two pipelines one respectively to the rodless cavity of synchronous loading hydraulic cylinder cylinder body, in cavity one, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders one are connected, and the synchronization action of two plungers of two small plunger formula hydraulic cylinders one is realized by control system one; Two levels are communicated with the cylinder body of two small plunger formula hydraulic cylinders two and are formed airtight cavity two by two pipelines two respectively to the rodless cavity of synchronous loading hydraulic cylinder cylinder body, in cavity two, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders two are connected, and the synchronization action of two plungers of two small plunger formula hydraulic cylinders two is realized by control system two; The leading flank of high pressure resistant rigidity closed shell offers hermatic door, the sealing cylinder body of loading hydraulic cylinder and vertical being connected of trailing flank of high pressure resistant rigidity closed shell, and the cylinder bar of sealing loading hydraulic cylinder is arranged in high pressure resistant rigidity closed shell; Test specimen is positioned in high pressure resistant rigidity closed shell, and test specimen leading flank is processed with a center pit, and the pressure head coupling of pressure unit is arranged in the center pit of test specimen, and the Displaying Meter of pressure unit is arranged on high pressure resistant rigidity closed shell outside; Gas charging system is communicated with the sealed gas chamber of high pressure resistant rigidity closed shell by loading line.
The beneficial effects of the utility model are:
Colliery of the present utility model dynamic disaster Multi-parameter coupling determinator is mainly used in dynamic disaster under simulation well and is inclined to serious region coal petrography environment, can realize on-line testing stress and gas pressure, for subsequent analysis stress, gas pressure provide important index parameter to the multifactor coupling mechanism of dynamic disaster and coal rock dynamic disaster mechanism of Evolution, provide Data support for setting up the multifactor coupling monitoring and warning of dynamic disaster model.
Brief description of the drawings
Fig. 1 is colliery of the present utility model dynamic disaster Multi-parameter coupling assay device structures schematic diagram;
Fig. 2 is colliery of the present utility model dynamic disaster Multi-parameter coupling determinator stereographic map.
In figure, disclosed component names and label are:
Gas charging system 1, level are to synchronous loading hydraulic cylinder 2, test specimen 3, control system 24, control system 1, sealed gas chamber 6, high pressure resistant rigidity closed shell 7, sealing loading hydraulic cylinder 8, pressure unit 9, hermatic door 10, vertically to synchronous loading hydraulic cylinder 11, small plunger formula hydraulic cylinder 1, small plunger formula hydraulic cylinder 2 13, briquetting 1, briquetting 2 15, pipeline 1, pipeline 2 17, loading line 18, lead frame 19.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, colliery dynamic disaster Multi-parameter coupling determinator, it comprise high pressure resistant rigidity closed shell 7, pressure unit 9, sealing loading hydraulic cylinder 8, gas charging system 1, control system 1, control system 24, two vertically to synchronous loading hydraulic cylinder 11, two levels to synchronous loading hydraulic cylinder 2, two small plunger formula hydraulic cylinders 1, two small plunger formula hydraulic cylinders 2 13, two briquettings 1 and two briquettings 2 15;
High pressure resistant rigidity closed shell 7 horizontal positioned, high pressure rigidity closed shell 7 inner chambers are sealed gas chamber 6, two are vertically connected with upper surface and the lower surface of high pressure resistant rigidity closed shell 7 respectively to the cylinder body of synchronous loading hydraulic cylinder 11, and two vertically coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder 11, two are vertically all arranged in high pressure resistant rigidity closed shell 7 to the cylinder bar of synchronous loading hydraulic cylinder 11, are eachly vertically all connected with a briquetting 1 to the cylinder bar outer end of synchronous loading hydraulic cylinder 11;
Two levels are connected with left outside side and the right outside side of high pressure resistant rigidity closed shell 7 respectively to the cylinder body of synchronous loading hydraulic cylinder 2, and two levels coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder 2, two levels are all arranged in high pressure resistant rigidity closed shell 7 to the cylinder bar of synchronous loading hydraulic cylinder 2, and each level is all connected with a briquetting 2 15 to the cylinder bar outer end of synchronous loading hydraulic cylinder 2;
Two are vertically communicated with the cylinder body of two small plunger formula hydraulic cylinders 1 and are formed airtight cavity one by two pipelines 1 respectively to the rodless cavity of synchronous loading hydraulic cylinder 11 cylinder bodies, in cavity one, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders 1 are connected, under external force, along axis direction together moving linearly, drive thus two to be vertically synchronized with the movement as straight line to synchronous loading hydraulic cylinder 11, the displacement of motion equates, opposite direction; When loading, ensured pressurized test specimen 3 geometric center lines invariant positions, the synchronization action of two plungers of two small plunger formula hydraulic cylinders 1 is realized by control system 1;
Two levels are communicated with the cylinder body of two small plunger formula hydraulic cylinders 2 13 and are formed airtight cavity two by two pipelines 2 17 respectively to the rodless cavity of synchronous loading hydraulic cylinder 2 cylinder bodies, in cavity two, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders 2 13 are connected, under external force, along axis direction together moving linearly, drive thus two levels to be synchronized with the movement as straight line to synchronous loading hydraulic cylinder 2, the displacement of motion equates, opposite direction; When loading, ensured pressurized test specimen 3 geometric center lines invariant positions, the synchronization action of two plungers of two small plunger formula hydraulic cylinders 2 13 is realized by control system 24;
The leading flank of high pressure resistant rigidity closed shell 7 offers hermatic door 10, the sealing cylinder body of loading hydraulic cylinder 8 and vertical being connected of trailing flank of high pressure resistant rigidity closed shell 7, the cylinder bar of sealing loading hydraulic cylinder 8 is arranged in high pressure resistant rigidity closed shell 7, place sealing loading hydraulic cylinder 8 at high pressure resistant rigidity closed shell 7 rear sides, be used for test specimen 3 to be close to front sealing door 10, prevent that internal gas from leaking;
Test specimen 3 is positioned in high pressure resistant rigidity closed shell 7, between the trailing flank of test specimen 3 and high pressure resistant rigidity closed shell 7, form an inflatable chamber, between test specimen 3 and high pressure resistant rigidity closed shell 7 leading flanks, leave space, test specimen 3 leading flanks are processed with a center pit, the pressure head coupling of pressure unit 9 is arranged in the center pit of test specimen 3, the Displaying Meter of pressure unit 9 is arranged on high pressure resistant rigidity closed shell 7 outsides, and working pressure transmitter 9 carrys out ergometry value, and force measurement error is not more than 5%.First broken in order to prevent test specimen 3 test specimen 3 corners in the time pressurizeing, in the time preparing test specimen 3, sharp processing to be gone in the corner of test specimen 3.Between pressure unit 9 and high pressure resistant rigidity closed shell 7 sidewalls, be tightly connected; Gas charging system 1 is communicated with the sealed gas chamber 6 of high pressure resistant rigidity closed shell 7 by loading line 18.
High pressure resistant rigidity closed shell 7 is forged steel pieces, is bearing vertical force 5000kN(20% impact shock power) under the air pressure of pulling force, horizontal force 5000kN and inner 10MPa, there is not obvious distortion, do not produce leakage.
Two are vertically the piston type loading hydraulic cylinder of 5000kN to synchronous loading hydraulic cylinder 11, control, and by one 12 actions of two small plunger formula hydraulic cylinders, make vertically can do and load 20% impact shock to synchronous loading hydraulic cylinder 11 by control system 1; Two levels are the piston type loading hydraulic cylinder of 5000kN to synchronous loading hydraulic cylinder 2; Can apply respectively or simultaneously the vertical force of 5000kN and the horizontal force of 5000kN to test specimen 3; Two vertical geometric configuratioies to synchronous loading hydraulic cylinder 11, measure-alike, symmetric coaxial is installed, synchronous relative motion; Two levels are to the geometric configuration of synchronous loading hydraulic cylinder 2, measure-alike, and symmetric coaxial is installed, synchronous relative motion.The geometric configuration of two small plunger formula hydraulic cylinders 1, measure-alike, Hydraulic Oil Specification model identical, filling with the vertical airtight oil pocket volume forming to synchronous loading hydraulic cylinder 11 is identical separately for they, and condition of work is also identical.The geometric configuration of two small plunger formula hydraulic cylinders 2 13, measure-alike, the airtight oil pocket volume Hydraulic Oil Specification model identical, filling that they form to synchronous loading hydraulic cylinder 2 with level is separately identical, and condition of work is also identical.
Described high pressure resistant rigidity closed shell 7 supports by lead frame 19.
Described high pressure resistant rigidity closed shell 7 is square housing, and length × wide × height=600 × 600 × 600mm of high pressure resistant rigidity closed shell 7, can bear 3600kN power.
Control system 1 and control system 24 are servo electromagnetic valve, are outsourcing piece; The model of pressure unit 9 is CYB3051, and by Beijing, Science and Technology Ltd. of Wei Site Air China manufactures.
In the utility model, high pressure resistant rigidity closed shell 7 have rigidity high, be out of shape the features such as little, good stability, it adopts steel-casting, install in top and bottom outsides two 5000kN vertically to synchronous loading hydraulic cylinder 11, the level of two 5000kN is installed to synchronous loading hydraulic cylinder 2 at left and right lateral surface, can applies respectively or simultaneously the vertical force of 5000kN and 20% impact shock power, the horizontal force of 5000kN to test specimen 3.Bearing under the air pressure of 5000kN pulling force and inner 10MPa, obviously distortion must not occur or leak.That is to say, this high pressure rigidity closed shell 7 must bear the pulling force of 10000kN.
the course of work:as shown in Figure 1 and Figure 2, first test specimen 3 is placed in high pressure resistant rigidity closed shell 7, then closes hermatic door 10.To vertically contact with test specimen 3 upper and lower surfaces to synchronizeing the briquetting 1 that the cylinder bar outer end of loading hydraulic cylinder 11 is connected with two; By with two levels to synchronizeing briquetting 2 15 that the cylinder bar outer end of loading hydraulic cylinder 2 the is connected left and right Surface Contact with test specimen 3; Next by sealing loading hydraulic cylinder 8 by test specimen 3 and hermatic door 10 close contacts, guarantee sealing.Gas charging system 1(can produce the air pressure of 10MPa) to the interior inflation of high pressure resistant rigidity closed shell 7, then test specimen 3 is loaded in level or vertical direction respectively, or both direction loads simultaneously.Displaying Meter by pressure unit 9 shows the force value detecting.
The mensuration of surrouding rock stress is by both direction up and down and/or the loading of left and right both direction to test specimen 3 simultaneously, and obtain by the Displaying Meter demonstration of pressure unit 9; The mensuration of gas pressure is by the interior ventilation of sealed gas chamber 6, and the gaseous tension passing into is applied on test specimen 3, and is shown and obtained by the Displaying Meter of pressure unit 9.The detection of surrouding rock stress and the detection of gas pressure can be carried out simultaneously.
In process of the test, can detect the gas penetration potential of test specimen 3 by the gas transmitter 9 being positioned in test specimen 3 center pits, and also can, by placing strain detector, detect test specimen 3 microstrain under external force.
performance parameter
1) loading hydraulic cylinder load capability: level can be in level to loading 5MN to synchronous loading hydraulic cylinder 2; Vertically can, vertically to loading 5MN, can add 20% impact shock power to synchronous loading hydraulic cylinder 11 simultaneously; Sealing loading hydraulic cylinder 8 can be by backward front loading 1000kN.Utilize pressure transmitter measurement power, degree of accuracy 5%.
2) loading hydraulic cylinder (comprising vertically to synchronous loading hydraulic cylinder 11, level to synchronous loading hydraulic cylinder 2 and sealing loading hydraulic cylinder 8) translational speed is 20mm/min; Hydraulic cylinder travel 50mm; Speed control accuracy 2%FS.
3) charge pressure ratings: 10MPa;
4) high pressure resistant rigidity closed shell 7: withstand voltage 10MPa carries 5MN acting force simultaneously;
5) gas charging system pressure 10MPa;
6) 4.6 tons of high pressure resistant rigidity closed shell 7 weight (15 tons of complete machine general assembly (TW)s), do not need ground engineering to install, and can change test site, lifting conveniently moving;
7) loading hydraulic cylinder synchronous mode: power is synchronous, displacement synchronous; While ensureing test specimen loading, geometric center is constant, synchronization accuracy 1%FS.
Claims (3)
1. a colliery dynamic disaster Multi-parameter coupling determinator, is characterized in that: it comprises that two (4), two of high pressure resistant rigidity closed shell (7), pressure unit (9), sealing loading hydraulic cylinder (8), gas charging system (1), control system one (5), control system are vertically to synchronous loading hydraulic cylinder (11), two levels to synchronous loading hydraulic cylinder (2), two (13), two briquettings one (14) of one (12), two small plunger formula hydraulic cylinders of two small plunger formula hydraulic cylinders and two briquettings two (15), high pressure resistant rigidity closed shell (7) horizontal positioned, high pressure rigidity closed shell (7) inner chamber is sealed gas chamber (6), two are vertically connected with upper surface and the lower surface of high pressure resistant rigidity closed shell (7) respectively to the cylinder body of synchronous loading hydraulic cylinder (11), and two vertically coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder (11), two are vertically all arranged in high pressure resistant rigidity closed shell (7) to the cylinder bar of synchronous loading hydraulic cylinder (11), eachly vertically all be connected with a briquetting one (14) to the cylinder bar outer end of synchronous loading hydraulic cylinder (11), two levels are connected with left outside side and the right outside side of high pressure resistant rigidity closed shell (7) respectively to the cylinder body of synchronous loading hydraulic cylinder (2), and two levels coaxially arrange to the cylinder bar of synchronous loading hydraulic cylinder (2), two levels are all arranged in high pressure resistant rigidity closed shell (7) to the cylinder bar of synchronous loading hydraulic cylinder (2), and each level is all connected with a briquetting two (15) to the cylinder bar outer end of synchronous loading hydraulic cylinder (2), two are vertically communicated with the cylinder body of two small plunger formula hydraulic cylinders one (12) and are formed airtight cavity one by two pipelines one (16) respectively to the rodless cavity of synchronous loading hydraulic cylinder (11) cylinder body, in cavity one, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders one (12) are connected, and the synchronization action of two plungers of two small plunger formula hydraulic cylinders one (12) is realized by control system one (5), two levels are communicated with the cylinder body of two small plunger formula hydraulic cylinders two (13) and are formed airtight cavity two by two pipelines two (17) respectively to the rodless cavity of synchronous loading hydraulic cylinder (2) cylinder body, in cavity two, be full of hydraulic oil, two plungers of two small plunger formula hydraulic cylinders two (13) are connected, and the synchronization action of two plungers of two small plunger formula hydraulic cylinders two (13) is realized by control system two (4), the leading flank of high pressure resistant rigidity closed shell (7) offers hermatic door (10), the cylinder body of sealing loading hydraulic cylinder (8) is arranged in high pressure resistant rigidity closed shell (7) with vertical being connected of trailing flank of high pressure resistant rigidity closed shell (7), the cylinder bar of sealing loading hydraulic cylinder (8), test specimen (3) is positioned in high pressure resistant rigidity closed shell (7), test specimen (3) leading flank is processed with a center pit, the pressure head coupling of pressure unit (9) is arranged in the center pit of test specimen (3), and the Displaying Meter of pressure unit (9) is arranged on high pressure resistant rigidity closed shell (7) outside, gas charging system (1) is communicated with the sealed gas chamber (6) of high pressure resistant rigidity closed shell (7) by loading line (18).
2. colliery according to claim 1 dynamic disaster Multi-parameter coupling determinator, is characterized in that: described high pressure resistant rigidity closed shell (7) supports by lead frame (19).
3. colliery according to claim 1 and 2 dynamic disaster Multi-parameter coupling determinator, it is characterized in that: described high pressure resistant rigidity closed shell (7) is square housing, length × wide × height=600 × 600 × 600mm of high pressure resistant rigidity closed shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505251.0U CN204008318U (en) | 2014-09-03 | 2014-09-03 | Colliery dynamic disaster Multi-parameter coupling determinator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505251.0U CN204008318U (en) | 2014-09-03 | 2014-09-03 | Colliery dynamic disaster Multi-parameter coupling determinator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008318U true CN204008318U (en) | 2014-12-10 |
Family
ID=52048298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420505251.0U Expired - Fee Related CN204008318U (en) | 2014-09-03 | 2014-09-03 | Colliery dynamic disaster Multi-parameter coupling determinator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237019A (en) * | 2014-09-03 | 2014-12-24 | 黑龙江科技大学 | Coal mine dynamic disaster multi-parameter coupling and determining device |
| CN111351896A (en) * | 2018-12-05 | 2020-06-30 | 重庆大学 | Deep mining mine composite dynamic disaster dynamic effect simulation experiment system |
-
2014
- 2014-09-03 CN CN201420505251.0U patent/CN204008318U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237019A (en) * | 2014-09-03 | 2014-12-24 | 黑龙江科技大学 | Coal mine dynamic disaster multi-parameter coupling and determining device |
| CN104237019B (en) * | 2014-09-03 | 2016-04-13 | 黑龙江科技大学 | Coal mine dynamic disaster Multi-parameter coupling determinator |
| CN111351896A (en) * | 2018-12-05 | 2020-06-30 | 重庆大学 | Deep mining mine composite dynamic disaster dynamic effect simulation experiment system |
| CN111351896B (en) * | 2018-12-05 | 2021-07-06 | 山东科技大学 | Deep mining mine composite dynamic disaster dynamic effect simulation experiment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108872530B (en) | Large-scale model test device for simulating asymmetric small-clear-distance tunnel excavation process | |
| CN203376129U (en) | Shell gas tightness detection device | |
| CN204188492U (en) | Rock true triaxial permeability clamper | |
| CN105300601A (en) | Shield tunnel segment longitudinal seam impervious performance test system | |
| CN110823612B (en) | Tunnel surrounding rock lining composite structure stress waterproof test system and method | |
| CN104237019B (en) | Coal mine dynamic disaster Multi-parameter coupling determinator | |
| CN104865176A (en) | Seepage experiment system and method for gas-containing coal under action of impact load | |
| CN205103090U (en) | Pressure chamber structure of rock mechanics triaxial compression test machine | |
| CN103471926A (en) | Coal rock true-triaxial microscopic mechanical test apparatus | |
| CN103398902A (en) | Test apparatus for flexible loading and instantaneously unloading of high geostress, and test method | |
| CN103616290A (en) | Dynamic loading system for measuring dynamic characteristics of natural gas hydrate sediments | |
| CN105043852B (en) | A kind of function loading device tested suitable for mine laneway analog simulation | |
| CN102621228B (en) | Acoustic and electric parameter measuring device used for loading procedure of gas-containing coal bodies | |
| CN103454138A (en) | Horizontal geotechnical plane stress triaxial apparatus for pressure chamber structure | |
| CN204008318U (en) | Colliery dynamic disaster Multi-parameter coupling determinator | |
| CN103398903A (en) | Gas-containing coal rock testing method | |
| CN106323842A (en) | Method of true/false triaxial test capable of measuring gas permeability of dense rocks | |
| CN104614298A (en) | Constant-volume gas-bearing coal gas-solid coupling physical and mechanical parameter testing device and testing method | |
| CN103698228A (en) | Large-scale real triaxial shear testing device and application thereof | |
| CN103399014A (en) | Gas-containing coal rock true triaxial micromechanical test system | |
| CN105699202A (en) | Hydraulic device for measuring parameters of rock mass mechanics | |
| CN203869942U (en) | Device for testing mechanical properties of underground filling materials of coal mines | |
| CN106680092B (en) | Coarse-grained soil strength and deformation characteristic measuring device based on vacuum negative pressure | |
| CN103712853A (en) | Method and device for testing mechanical performance of coal mine underground filling material | |
| CN106769493B (en) | Pseudo triaxial testing device based on dynamic fatigue testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150903 |
|
| EXPY | Termination of patent right or utility model |