CN105259332A - Similar material simulation test device and method - Google Patents
Similar material simulation test device and method Download PDFInfo
- Publication number
- CN105259332A CN105259332A CN201510760086.2A CN201510760086A CN105259332A CN 105259332 A CN105259332 A CN 105259332A CN 201510760086 A CN201510760086 A CN 201510760086A CN 105259332 A CN105259332 A CN 105259332A
- Authority
- CN
- China
- Prior art keywords
- fixed
- steel
- plate
- bar
- experiment
- 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.)
- Granted
Links
Landscapes
- Instructional Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a similar material simulation test device and method. The similar material simulation test device comprises a test platform, a transparent test device located on the test platform, a horizontal rotating handle located on the test platform and connected with a recovery power device, a vertical rotating handle located on the front side of the test platform and connected with an adjusting device for adjusting a coal discharge window, a cross beam used for supporting and fixing the test platform, stand columns used for supporting the cross beam, a stable bottom beam, and a transparent glass recovery device fixed to a supporting bottom beam. The similar material simulation test method includes the steps that firstly, similar simulation materials are laid; secondly, the coal discharging window is adjusted; thirdly, coal seam mining is simulated; fourthly, phenomenon observation is performed; fifthly test material are recycled.
Description
Technical field
The invention belongs to mining and Geotechnical Engineering field, be specifically related to a kind of similar material simulation experiment device and method.
Background technology
Equivalent material simulating is the main experimental research method of mining engineering and Geotechnical Engineering, can be used for simulation reconstruction engineering site seam mining excavation live, and observes surrouding rock stress, the strain and displacement under this condition.
Equivalent Materials Testing is simple, visual in image, repetition test can be carried out according to different recovery schemes, there is significant advantage, in occupation of irreplaceable critical role in mining engineering Study on Problems process to rock stratum migration, the Fracture of studying mining active process.Therefore, Equivalent Materials Testing device is all generally had in the testing laboratory of many institution of higher learning and R&D institution.
At present, Equivalent Materials Testing device is divided into two-dimentional equivalent material simulating test unit and the large class of three-dimensional Equivalent Materials Testing device two.
Mainly there is following problem and shortage in existing two-dimentional equivalent material simulating experimental provision: 1, build both bulk, structure is unreasonable, hinder test operation and observation, and base is fixed on ground, just be difficult to dismounting once build up and move, taking a large amount of valuable lab space resource for a long time; 2, owing to using material to be mainly river sand, gypsum, chalk powder, the analog material flash-off time of newly mating formation is long, causes that the test period is long, test efficiency is low, and limits by material, and experimental precision is low; The labour intensity of 3, simulating seam mining is large, large to similar materials model disturbance, is difficult to the extraction of scientifically simulating coal seam; 4, be put to the test the restriction of device and material, is not suitable for Fast simulation seam mining.
Summary of the invention
Goal of the invention: the present invention is directed to above-mentioned prior art Problems existing and make improvement, namely first object of the present invention is a kind of similar material simulation experiment device, and its structure is simple, realization is convenient and cost is low, easy and simple to handle, material recoverable, strong adaptability, improves conventional efficient.Second object of the present invention is for disclosing a kind of similar material simulation experiment method.
Technical scheme: a kind of similar material simulation experiment device, comprise experiment porch, the connection horizontally rotating handle, be positioned at experiment porch front of the transparent experimental provision be positioned on experiment porch, the connection back production propulsion system be positioned on experiment porch regulate put the vertical swing handle of coal window regulating device, the crossbeam of support and fixing experiment porch, supporting traverse column, stablize bottom girder and be fixed on the clear glass retracting device on support bottom girder;
Described clear glass retracting device comprises and is fixed on the dividing plate track supported on bottom girder, dividing plate, dividing strip, is positioned at the front and back transparency glass plate of the accumulator tank of dividing plate rail superior portion and is positioned at the left and right transparency glass plate of accumulator tank of dividing plate rail superior portion, steel disc fixing front and back transparency glass plate and left and right transparency glass plate is fixed by accumulator tank, fixing angle steel by accumulator tank is fixed on dividing plate track by accumulator tank, accumulator tank fixed steelring and accumulator tank are fixed angle steel and are welded
Described transparent experimental provision comprise be positioned at the steel plate under experiment porch, the minor face be fixed on experiment porch fixes steel bar, steel bar is fixed on long limit, be welded on minor face fixes steel bar and long limit and fix the firm steel ring of root on steel bar, the firm steel ring of root is by fixing angle steel, fixing steel disc, fixed steelring common fixed length limit clear glass baffle plate and minor face clear glass baffle plate, and horizontal scale chi, vertically rule are fixed on the clear glass baffle plate of long limit.
Further, described back production propulsion system comprise and horizontally rotate handle and be connected with reversing arrangement transmission with the reversing arrangement transmission shaft be fixed on crossbeam, transmission shaft is fixed on carrier bar, gear to be positioned on transmission shaft and to be meshed with tooth bar, tooth bar is fixed on steel plate, steel plate is positioned on slide block, and slide block is located on slide bar, and slide bar is fixed on carrier bar.
Further, described adjustment is put coal window regulating device and is comprised crossbeam and be fixed on the sleeve on crossbeam, and be connected with vertical swing handle transmission through sleeve, drop bar is fixed on axle, and pickup groove is fixed on steel plate, and shock steel disc is outstanding to be put in pickup groove.
A kind of similar material simulation experiment method, comprises the following steps:
(1), to mat formation similar materials
Steel plate bottom transparent experimental provision successively lays analog material, till the height of the similar materials of mating formation reaches design height;
(2), coal window is put in adjustment
Rotate vertical swing handle, drive drop bar to knock shock steel disc by axle, shock steel disc is moved, form the relative movement of clashing into steel disc and steel plate, steel plate leaves default osculum, until reach suitable to put coal window, put coal window and remain unchanged position in steel plate moving process;
(3), seam mining is simulated:
Horizontally rotate handle by rotating, utilize reversing arrangement and transmission shaft driven gear to rotate, wheel and rack is synchronized with the movement, and rack drives steel plate moves, and is put in accumulator tank in steel plate moving process by putting coal window by coal seam, simulation seam mining; Each layer similar materials bends downwards successively under the effect of self gravitation and upper strata similar materials pressure, be out of shape, disrumpent feelings, be caving, simultaneously, also grow irregular crack in each layer similar materials, the surface of similar materials also there occurs movement and deformation;
(4), phenomenon observation
In simulation mining process, by the current intelligence of long limit clear glass baffle plate observatory control material surface movement and deformation and cranny development, in observation seam mining process, the movement and deformation of any position seam mining to its front, rear and overlying material simulation layer destroys dynamic effects process and influence degree; In simulation mining process and after exploitation terminates, by the final situation of long limit clear glass baffle plate observatory control material surface movement and deformation and cranny development, the different of rear simulation material movement and deformation and crack situation and situation in exploitation process are stablized in observation back production;
(5), experiment material is recycled
Putting coal window by regulating, window being opened greatly, the material in transparent experimental provision being put into clear glass retracting device, material is recycled, as the experiment material of next simulated experiment.
Beneficial effect: a kind of similar material simulation experiment device and method disclosed by the invention has following beneficial effect:
1, similar material simulation experiment apparatus structure is simple, rationally novel in design, realize convenient and cost is low, two-dimentional equivalent material simulating testing table build both bulk of the prior art can be solved, be difficult to intuitively to simulate efficiently seam mining, the fixed practical problems such as non-dismountable;
2, clear glass experimental provision directly can observe material movement and deformation and cranny development situation in exploitation process, movement and deformation of overburden strata situation around it during Observable exploitation optional position, and experiment effect is simple and clear;
3, simulation material changes the starting material of the traditional mining mode experiment river sand of analog material, gypsum, chalk powder, and uses the rigid plastic bead of different-grain diameter different colours to replace, can clean and realize fast testing;
4, put coal window size can adjust as required, realize flexible as required;
5, back production realizes mechanical window and puts coal, according to the needs of simulation seam mining fltting speed, regulates the velocity of rotation of swing handle, realizes different drawing speeds, simple to operation;
6, be provided with transparent recovery glass device bottom experimental provision, what can realize experiment material repeats recycling.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of similar material simulation experiment device disclosed by the invention.
Fig. 2 is the front view of a kind of similar material simulation experiment device disclosed by the invention.
Fig. 3 is the vertical view of a kind of similar material simulation experiment device disclosed by the invention.
Fig. 4 is the left view of a kind of similar material simulation experiment device disclosed by the invention.
Fig. 5 is the structural representation of back production propulsion system.
Fig. 6 is the structural representation putting coal window regulating device.
Fig. 7 puts the connection diagram that coal regulates window device and back production propulsion system.
Wherein:
1-long limit clear glass baffle plate, 2-fixing steel disc
3-fixed steelring, 4-horizontal scale chi
5-vertically rule 6-minor face clear glass baffle plate
7-fixing firm the steel ring of angle steel 8-root
9-minor face is fixed steel bar 10-long limit and is fixed steel bar
11-experiment porch 12-horizontally rotate handle
13-crossbeam, 14-column
15-stablize bottom girder 16-support bottom girder
17-dividing plate track, 18-accumulator tank fixes steel disc
19-accumulator tank fixed steelring, 20-front and back transparency glass plate
21-dividing plate, 22-dividing strip
23-left and right transparency glass plate, 24-vertically swing handle
25-accumulator tank fixes angle steel 26-gear
27-tooth bar, 28-steel plate
29-slide block, 30-slide bar
31-transmission shaft, 32-carrier bar
33-reversing arrangement, 34-drop bar
35-axle, 36-shock steel disc
37-pickup groove, 38-sleeve
Embodiment:
Below the specific embodiment of the present invention is described in detail.
As shown in Figure 1 to 4, a kind of similar material simulation experiment device, comprise experiment porch 11, the connection horizontally rotating handle 12, be positioned at experiment porch 11 front of the transparent experimental provision be positioned on experiment porch 11, the connection back production propulsion system be positioned on experiment porch 11 regulate put coal window regulating device vertical swing handle 24, support and the crossbeam 13 of fixing experiment porch 11, supporting traverse 13 column 14, stablize bottom girder 15 and be fixed on the clear glass retracting device on support bottom girder 16;
Clear glass retracting device comprises and is fixed on the dividing plate track 17 supported on bottom girder 16, dividing plate 21, dividing strip 22, is positioned at the front and back transparency glass plate 20 of the accumulator tank on dividing plate track 17 top and is positioned at the left and right transparency glass plate 23 of accumulator tank on dividing plate track 17 top, the fixing front and back transparency glass plate 20 of steel disc 18 and left and right transparency glass plate 23 is fixed by accumulator tank, fixing angle steel 25 by accumulator tank is fixed on dividing plate track 17 by accumulator tank, accumulator tank fixed steelring 19 and accumulator tank are fixed angle steel 25 and are welded
Transparent experimental provision comprise be positioned at the steel plate 28 under experiment porch 11, the minor face be fixed on experiment porch 11 fixes steel bar 9, steel bar 10 is fixed on long limit, be welded on minor face fixes steel bar 9 and long limit and fix the firm steel ring 8 of root on steel bar 10, the firm steel ring 8 of root is by fixing angle steel 7, fixing steel disc 2, fixed steelring 3 common fixed length limit clear glass baffle plate 1 and minor face clear glass baffle plate 6, and horizontal scale chi 4, vertically rule 5 are fixed on long limit clear glass baffle plate 1.
Further, as shown in Figure 5, back production propulsion system comprise the reversing arrangement 33 horizontally rotating handle 12 and be fixed on crossbeam 13, transmission shaft 31 is connected with reversing arrangement 33 transmission, and transmission shaft 31 is fixed on carrier bar 32, and gear 26 to be positioned on transmission shaft 31 and to be meshed with tooth bar 27, tooth bar 27 is fixed on steel plate 28, steel plate 28 is positioned on slide block 29, and slide block 29 is located on slide bar 30, and slide bar 30 is fixed on carrier bar 32.
Further, as shown in Figure 6 and Figure 7, regulate the sleeve 38 put coal window regulating device and comprise crossbeam 13 and be fixed on crossbeam 13, axle 35 is connected with the transmission of vertical swing handle 24 through sleeve 38, drop bar 34 is fixed on axle 35, pickup groove 37 is fixed on steel plate 28, and shock steel disc 36 is outstanding to be put in pickup groove 37.
A kind of similar material simulation experiment method, comprises the following steps:
(1), to mat formation similar materials
Steel plate 28 bottom transparent experimental provision successively lays analog material, till the height of the similar materials of mating formation reaches design height;
(2), coal window is put in adjustment
Rotate vertical swing handle 24, drive drop bar 34 to knock by axle 35 and clash into steel disc 36, shock steel disc 36 is moved, form the relative movement of clashing into steel disc 36 and steel plate 28, steel plate 28 leaves default osculum, until reach suitable to put coal window, put coal window and remain unchanged position in steel plate 28 moving process;
(3), seam mining is simulated:
Handle 12 is horizontally rotated by rotating, utilize reversing arrangement 33 and transmission shaft 31 driven gear 26 to rotate, gear 26 and tooth bar 27 are synchronized with the movement, and tooth bar band 27 moves steel plate 28 and moves, by putting coal window, coal seam is put in accumulator tank in steel plate 28 moving process, simulation seam mining; Each layer similar materials bends downwards successively under the effect of self gravitation and upper strata similar materials pressure, be out of shape, disrumpent feelings, be caving, simultaneously, also grow irregular crack in each layer similar materials, the surface of similar materials also there occurs movement and deformation;
(4), phenomenon observation
In simulation mining process, by the current intelligence of long limit clear glass baffle plate 1 observatory control material surface movement and deformation and cranny development, in observation seam mining process, the movement and deformation of any position seam mining to its front, rear and overlying material simulation layer destroys dynamic effects process and influence degree; In simulation mining process and after exploitation terminates, by the final situation of long limit clear glass baffle plate 1 observatory control material surface movement and deformation and cranny development, the different of rear simulation material movement and deformation and crack situation and situation in exploitation process are stablized in observation back production;
(5), experiment material is recycled
Putting coal window by regulating, window being opened greatly, the material in transparent experimental provision being put into clear glass retracting device, material is recycled, as the experiment material of next simulated experiment.
Above embodiments of the present invention are elaborated.But the present invention is not limited to above-mentioned embodiment, in the ken that art those of ordinary skill possesses, can also make a variety of changes under the prerequisite not departing from present inventive concept.
Claims (4)
1. a similar material simulation experiment device, it is characterized in that, comprise experiment porch (11), be positioned at the transparent experimental provision on experiment porch (11), what be positioned at the connection back production propulsion system on experiment porch (11) horizontally rotates handle (12), the connection being positioned at experiment porch (11) front regulates the vertical swing handle (24) putting coal window regulating device, the crossbeam (13) of support and fixing experiment porch (11), the column (14) of supporting traverse (13), stablize bottom girder (15) and be fixed on the clear glass retracting device supported on bottom girder (16),
Described clear glass retracting device comprises the dividing plate track (17) being fixed on and supporting on bottom girder (16), dividing plate (21), dividing strip (22), the left and right transparency glass plate (23) of the front and back transparency glass plate (20) being positioned at the accumulator tank on dividing plate track (17) top and the accumulator tank being positioned at dividing plate track (17) top, steel disc (18) fixing front and back transparency glass plate (20) and left and right transparency glass plate (23) is fixed by accumulator tank, fixing angle steel (25) by accumulator tank is fixed on dividing plate track (17) by accumulator tank, accumulator tank fixed steelring (19) and accumulator tank are fixed angle steel (25) and are welded, described transparent experimental provision comprises the steel plate (28) be positioned under experiment porch (11), the minor face be fixed on experiment porch (11) fixes steel bar (9), steel bar (10) is fixed on long limit, be welded on minor face to fix steel bar (9) and long limit and fix the firm steel ring of root (8) on steel bar (10), the firm steel ring of root (8) is by fixing angle steel (7), fixing steel disc (2), common fixed length limit clear glass baffle plate (1) of fixed steelring (3) and minor face clear glass baffle plate (6), horizontal scale chi (4), vertical rule (5) is fixed on long limit clear glass baffle plate (1).
2. a kind of similar material simulation experiment device according to claim 1, it is characterized in that, described back production propulsion system comprise the reversing arrangement (33) horizontally rotating handle (12) and be fixed on crossbeam (13), transmission shaft (31) is connected with reversing arrangement (33) transmission, transmission shaft (31) is fixed on carrier bar (32), gear (26) is positioned at transmission shaft (31) and goes up and be meshed with tooth bar (27), tooth bar (27) is fixed on steel plate (28), steel plate (28) is positioned on slide block (29), slide block (29) is located on slide bar (30), slide bar (30) is fixed on carrier bar (32).
3. a kind of similar material simulation experiment device according to claim 1, it is characterized in that, described adjustment is put coal window regulating device and is comprised crossbeam (13) and be fixed on the sleeve (38) on crossbeam (13), axle (35) is connected with vertical swing handle (24) transmission through sleeve (38), drop bar (34) is fixed on axle (35), pickup groove (37) is fixed on steel plate (28), and shock steel disc (36) is outstanding to be put in pickup groove (37).
4. a similar material simulation experiment method, is characterized in that, comprises the following steps:
(1), to mat formation similar materials
Steel plate (28) bottom transparent experimental provision successively lays analog material, till the height of the similar materials of mating formation reaches design height;
(2), coal window is put in adjustment
Rotate vertical swing handle (24), drive drop bar (34) to knock by axle (35) and clash into steel disc (36), make shock steel disc (36) mobile, form the relative movement of clashing into steel disc (36) and steel plate (28), (28) leave default osculum to steel plate, until reach suitable to put coal window, put coal window and remain unchanged position in steel plate (28) moving process;
(3), seam mining is simulated:
Handle (12) is horizontally rotated by rotating, reversing arrangement (33) and transmission shaft (31) driven gear (26) is utilized to rotate, gear (26) and tooth bar (27) are synchronized with the movement, the dynamic steel plate (28) of tooth bar band (27) is mobile, by putting coal window, coal seam is put in accumulator tank in steel plate (28) moving process, simulation seam mining; Each layer similar materials bends downwards successively under the effect of self gravitation and upper strata similar materials pressure, be out of shape, disrumpent feelings, be caving, simultaneously, also grow irregular crack in each layer similar materials, the surface of similar materials also there occurs movement and deformation;
(4), phenomenon observation
In simulation mining process, by the current intelligence of long limit clear glass baffle plate (1) observatory control material surface movement and deformation and cranny development, in observation seam mining process, the movement and deformation of any position seam mining to its front, rear and overlying material simulation layer destroys dynamic effects process and influence degree; In simulation mining process and exploitation terminate after, by the final situation of long limit clear glass baffle plate (1) observatory control material surface movement and deformation and cranny development, the different of rear simulation material movement and deformation and crack situation and situation in exploitation process are stablized in observation back production;
(5), experiment material is recycled
Putting coal window by regulating, window being opened greatly, the material in transparent experimental provision being put into clear glass retracting device, material is recycled, as the experiment material of next simulated experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760086.2A CN105259332B (en) | 2015-11-10 | 2015-11-10 | A kind of similar material simulation experiment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760086.2A CN105259332B (en) | 2015-11-10 | 2015-11-10 | A kind of similar material simulation experiment device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105259332A true CN105259332A (en) | 2016-01-20 |
| CN105259332B CN105259332B (en) | 2017-07-04 |
Family
ID=55099099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510760086.2A Expired - Fee Related CN105259332B (en) | 2015-11-10 | 2015-11-10 | A kind of similar material simulation experiment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105259332B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954076A (en) * | 2016-04-28 | 2016-09-21 | 西安科技大学 | Model making system for physical similar simulation experiment |
| CN107192810A (en) * | 2017-05-04 | 2017-09-22 | 中国矿业大学 | The three-dimensional multi-functional experiment porch and test method of pattern that mining overburden is disrumpent feelings and motion feature |
| CN108414729A (en) * | 2018-03-12 | 2018-08-17 | 河南理工大学 | Crushing voerhead coal simulated behavior research device and its simulation experiment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2430746Y (en) * | 2000-07-07 | 2001-05-16 | 西安科技学院 | Similar material stereo analogue experiment rack |
| CN103216235A (en) * | 2013-03-08 | 2013-07-24 | 中国矿业大学 | Automatically-controlled fully-mechanized caving mining discrete body visual simulation experiment table |
| CN203838149U (en) * | 2014-05-17 | 2014-09-17 | 西安科技大学 | Assembled plane analog simulation experimental device |
| CN204556619U (en) * | 2015-05-08 | 2015-08-12 | 西安科技大学 | Three-dimensional multi-functional analog material seam mining simulator stand |
| CN205103248U (en) * | 2015-11-10 | 2016-03-23 | 西安科技大学 | Similar material simulation experiment apparatus |
-
2015
- 2015-11-10 CN CN201510760086.2A patent/CN105259332B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2430746Y (en) * | 2000-07-07 | 2001-05-16 | 西安科技学院 | Similar material stereo analogue experiment rack |
| CN103216235A (en) * | 2013-03-08 | 2013-07-24 | 中国矿业大学 | Automatically-controlled fully-mechanized caving mining discrete body visual simulation experiment table |
| CN203838149U (en) * | 2014-05-17 | 2014-09-17 | 西安科技大学 | Assembled plane analog simulation experimental device |
| CN204556619U (en) * | 2015-05-08 | 2015-08-12 | 西安科技大学 | Three-dimensional multi-functional analog material seam mining simulator stand |
| CN205103248U (en) * | 2015-11-10 | 2016-03-23 | 西安科技大学 | Similar material simulation experiment apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954076A (en) * | 2016-04-28 | 2016-09-21 | 西安科技大学 | Model making system for physical similar simulation experiment |
| CN107192810A (en) * | 2017-05-04 | 2017-09-22 | 中国矿业大学 | The three-dimensional multi-functional experiment porch and test method of pattern that mining overburden is disrumpent feelings and motion feature |
| CN107192810B (en) * | 2017-05-04 | 2019-05-14 | 中国矿业大学 | The three-dimensional multi-functional experiment porch and test method of mining overburden fracture pattern and motion feature |
| CN108414729A (en) * | 2018-03-12 | 2018-08-17 | 河南理工大学 | Crushing voerhead coal simulated behavior research device and its simulation experiment method |
| CN108414729B (en) * | 2018-03-12 | 2020-10-02 | 河南理工大学 | Simulation research device and simulation test method for crushing characteristics of top coal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105259332B (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105092816A (en) | Three-dimensional multi-coal-seam-mining similar material model experimental system | |
| CN104575223B (en) | A kind of multi-angle rotation formula sandbox physical simulating device for seismic prospecting | |
| CN104820086B (en) | A kind of rock stratum and subsidence simulation box type testing apparatus | |
| CN105259332A (en) | Similar material simulation test device and method | |
| CN108226447A (en) | Coal underground mining surface movement three-dimensional simulation experimental rig and test method | |
| CN205538954U (en) | Three -dimensional simulation test device of coal seam group exploitation | |
| CN109166441B (en) | Diapir physical simulation experiment device and method used in supergravity environment | |
| CN205103248U (en) | Similar material simulation experiment apparatus | |
| CN108956933B (en) | Method and device for simulating reverse fault formation in laboratory | |
| CN108489745A (en) | A kind of variable cross-section soil pressure balancing type tunnel shielding simulation experiment system | |
| CN105067797A (en) | Similarity simulation experiment table for coal and rock roadway and assembling method for similarity simulation experiment table | |
| CN210347640U (en) | True triaxial three-dimensional analog simulation experiment device | |
| CN113433132A (en) | Device and method for simulating overlying strata separation layer grouting filling | |
| CN107195240B (en) | A kind of teaching simulation apparatus for demonstrating for professional skill field | |
| CN105181372B (en) | It is a kind of for simulating the simulation system and simulation experiment method of seam mining | |
| CN112903463B (en) | Double-shaft static force-disturbance coupling inclined goaf group column bearing test device and method | |
| CN108489797B (en) | Large-dip-angle coal rock stratum mechanical property physical simulation and test device | |
| CN109192035B (en) | Stretching structure physical simulation experiment device and method for hypergravity environment | |
| CN110044757A (en) | Coal simulator and experimental method are put in a kind of collaboration of fully mechanized coal face three-dimensional group | |
| CN103075160A (en) | Visual micro tunnel driving system suitable for model testing | |
| CN104483220B (en) | Method for designing multi-point impact horizontal type TBM cutter disc contraction scale test bed | |
| CN105403684A (en) | Multi-scale analog simulation test platform for simulating collapse of coal covering rock | |
| CN107091721A (en) | One kind anchor combined unit experimental provision of pick branch and method | |
| CN204594982U (en) | A kind of rock stratum and subsidence simulation box type testing apparatus | |
| CN109686214A (en) | A kind of surface movement and deformation simulation experiment platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171110 |