CN205120708U - Test device of mechanism is subsided in simulation collecting space area - Google Patents
Test device of mechanism is subsided in simulation collecting space area Download PDFInfo
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- CN205120708U CN205120708U CN201520542416.6U CN201520542416U CN205120708U CN 205120708 U CN205120708 U CN 205120708U CN 201520542416 U CN201520542416 U CN 201520542416U CN 205120708 U CN205120708 U CN 205120708U
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- Prior art keywords
- simulation layer
- layer
- goaf
- pressure transducer
- displacement
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Abstract
The utility model belongs to the technical field of geological engineering, geotechnical engineering, especially, relate to a test device of mechanism is subsided in simulation collecting space area, including mold box, setting sensor, the data acquisition instrument who links to each other with sensor output and the computer continuous with data acquisition instrument in the mold box, the mold box include the box, set up on the stratum simulation layer of underliing of bottom half, set up on the coal seam simulation layer of the stratum simulation layer top of underliing and set up multilayer geologic modelling layer F1, the F2 in coal seam simulation layer top... Fn. The utility model discloses simple structure, reasonable in design, convenient operation, test effectual, can be effectively according to stratum characteristic, displacement and pressure variation data under difference exploitation operating mode and formation condition, its inherent law of assay, mechanism is subsided in the research collecting space area.
Description
Technical field
The utility model belongs to Geological Engineering, Geotechnical Engineering field, especially relates to a kind of test unit of simulating goaf subsidence mechanism.
Background technology
Goaf produces in " cavity " by artificially excavating below earth's surface, some regional coals of China and the very abundant large province of mineral resources, along with economy, the coordinated development of capital construction depth, some infrastructure unavoidably will pass through goaf, and collapsing of goaf can cause land subsidence, crack, damage the facilities such as arable land, buildings, destroy ecologic environment, goaf unfavorable geology problem is more and more outstanding.
Because goaf sedimentation is a complicated time-space process, rock mass structure is complicated, and influence factor is numerous, and the sedimentation of most of coal mine gob is in confused situation, there is very large harm to the capital construction of locality, solving this kind of engineering problem needs to carry out comprehensive and systematic research.Simplify for geologic body prototype, then by indoor model test, goaf subsidence mechanism is furtherd investigate, study its settlement law in conjunction with concrete entity project, and then provide technical support for follow-up engineering control.
Utility model content
The purpose of this utility model solves the problem, and provides by simulating different excavating condition, then simulated the test unit of goaf subsidence mechanism by the sedimentation in data research goaf of displacement transducer and pressure transducer collection and a kind of of deformation rule.
In order to solve the problem, technical solution adopted in the utility model is:
A kind of test unit of simulating goaf subsidence mechanism, comprise model casing, the sensor be arranged in model casing, the data collecting instrument be connected with sensor output and the computer that is connected with data collecting instrument, described model casing comprises casing, is arranged on the underlying formation simulation layer of bottom half, is arranged on the coal seam simulation layer above underlying formation simulation layer and is arranged on the multilayer geologic modelling layer F above the simulation layer of coal seam
1, F
2f
ndescribed casing is provided with the mouth that mines for coal, the described mouth that mines for coal is provided with regulating flange, described sensor comprises displacement transducer and pressure transducer, described displacement transducer and pressure transducer are connected respectively to corresponding data collecting instrument by data line, described multilayer geologic modelling layer F
1, F
2f
nin be provided with displacement transducer and pressure transducer.
Described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
Described multilayer geologic modelling layer F
1, F
2f
nin the layout points of a ranking displacement sensor and pressure transducer is all at least longitudinally set.
The bottom of described casing is provided with 4 wheels.
Described displacement transducer is magnet ring type high accuracy displacement sensor.
Gain effect of the present utility model is:
The present invention fills underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F successively from bottom to top in the casing of model casing
1, F
2f
n, multilayer geologic modelling layer F
1, F
2f
nin be all symmetrical arranged displacement transducer and pressure transducer, simulate different excavating condition, the sedimentation in the data research goaf then gathered by displacement transducer and pressure transducer and deformation rule.The utility model structure is simple, and reasonable in design, easy to operate, experiment effect is good, effectively can analyze its inherent law according at difference exploitation operating mode and formation condition sub-surface feature, displacement and pressure delta data, research goaf Settlement Mechanism.
Accompanying drawing explanation
Fig. 1 is a kind of test unit structural representation of simulating goaf subsidence mechanism of the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
See sequence number in Fig. 1, figure: the vertical center line that 1 be model casing, 2 be underlying formation simulation layer, 3 be coal seam simulation layer, 4 be caving zone stratum simulation layer, 5 be fissure zone stratum simulation layer, 6 be flexure band stratum simulation layer, 7 be goaf, 8 be displacement transducer, 9 be pressure transducer, 10 be data collecting instrument, 11 is casing, 12 be computer, 13 is the mouth that mines for coal, 14 be regulating flange, 15 to be wheel and 16 be goaf.
A kind of test unit of simulating goaf subsidence mechanism of the utility model, comprise model casing 1, corresponding data collecting instrument 10 that the displacement transducer 8 be arranged in model casing 1 is connected with pressure transducer 9, displacement transducer 8 and pressure transducer 9 output terminal and the computer 12 that is connected with data collecting instrument 10, described model casing 1 comprises casing 11, be arranged on underlying formation simulation layer 2 bottom casing 11, be arranged on the coal seam simulation layer 3 above underlying formation simulation layer 2 and be arranged on the multilayer geologic modelling layer F above coal seam simulation layer 3
1, F
2and F
3, described multilayer geologic modelling layer F
1, F
2and F
3bottom-uply be followed successively by F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6, described casing is provided with the mouth that mines for coal, the described mouth 13 that mines for coal is provided with regulating flange 14, described displacement transducer 8 and pressure transducer 9 are connected respectively to corresponding data collecting instrument 10 by data line, and institute's displacement sensors 8 and pressure transducer 9 are all symmetrical set at F centered by the vertical center line 16 in goaf
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3in flexure band stratum simulation layer 6, described bottom half is provided with 4 wheels 15.Described displacement transducer 8 is magnetic ring sensor, and it is closeer according to closely adopting sky main spindle's place that it buries layout underground, and the position away from goaf main shaft becomes dredges; The vertical position of magnet ring is according to main negative area and stratum sudden change place, and burying underground of described pressure transducer 9 is arranged according to the symmetrical position of displacement transducer, is mainly used to the pressure change rule of displacement monitoring change place.
According to concrete engineering and casing 11 size determination ratio of similitude, determine the thickness on underlying formation 2, coal seam simulation layer 3, caving zone stratum 4, fissure zone stratum 5, flexure band stratum 6, described underlying formation simulation layer 2, coal seam simulation layer 3, F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6 is simulated according to physical similarity according to geologic body prototype, and the position of cloth displacement sensor 8 and pressure transducer 9; Respectively underlying formation 2, coal seam simulation layer 3, F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6 is from bottom to top filled; In the process of filling analog material, as requested by the zeroing data of displacement transducer 8 and pressure transducer 9, connect with data line, be embedded in the layout points position of requirement; The data line of displacement transducer 8 and pressure transducer 9 connects with corresponding data collecting instrument 10 respectively, and then is connected with computer 12; Formation is observed, and after it is stable, adjustment regulating flange 14 sets excavation thickness and width, the then simulation of excavation process of coal seam simulation layer, to F on goaf
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3the stratum deformation of flexure band stratum simulation layer 6 and the change of reservoir pressure are observed, the sedimentation in the data research goaf 7 gathered by displacement transducer 8 and pressure transducer 9 and deformation rule.
Structure of the present utility model is simple, and reasonable in design, easy to operate, experiment effect is good, effectively according at difference exploitation operating mode and formation condition sub-surface feature, displacement and pressure delta data, can analyze its inherent law, research goaf Settlement Mechanism.
Claims (5)
1. simulate the test unit of goaf subsidence mechanism for one kind, comprise model casing, the sensor be arranged in model casing, the data collecting instrument be connected with sensor output and the computer that is connected with data collecting instrument, it is characterized in that: described model casing comprises casing, is arranged on the underlying formation simulation layer of bottom half, is arranged on the coal seam simulation layer above underlying formation simulation layer and is arranged on the multilayer geologic modelling layer F above the simulation layer of coal seam
1, F
2f
ndescribed casing is provided with the mouth that mines for coal, the described mouth that mines for coal is provided with regulating flange, described sensor comprises displacement transducer and pressure transducer, described displacement transducer and pressure transducer are connected respectively to corresponding data collecting instrument by data line, described multilayer geologic modelling layer F
1, F
2f
nin be provided with displacement transducer and pressure transducer.
2. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
3. a kind of test unit of simulating goaf subsidence mechanism according to claim 2, is characterized in that: described multilayer geologic modelling layer F
1, F
2f
nin the layout points of a ranking displacement sensor and pressure transducer is all at least longitudinally set.
4. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: the bottom of described casing is provided with 4 wheels.
5. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: described displacement transducer is magnet ring type high accuracy displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542416.6U CN205120708U (en) | 2015-07-24 | 2015-07-24 | Test device of mechanism is subsided in simulation collecting space area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542416.6U CN205120708U (en) | 2015-07-24 | 2015-07-24 | Test device of mechanism is subsided in simulation collecting space area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120708U true CN205120708U (en) | 2016-03-30 |
Family
ID=55576303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542416.6U Expired - Fee Related CN205120708U (en) | 2015-07-24 | 2015-07-24 | Test device of mechanism is subsided in simulation collecting space area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205120708U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290016A (en) * | 2016-10-25 | 2017-01-04 | 安徽理工大学 | A kind of underground air impact disaster assay device |
| CN109406754A (en) * | 2018-10-30 | 2019-03-01 | 中国神华能源股份有限公司 | Analogy method, the device and system of seam mining |
| CN109681164A (en) * | 2018-07-30 | 2019-04-26 | 东北石油大学 | A kind of device of simulation set damage process |
| CN109841138A (en) * | 2019-03-28 | 2019-06-04 | 西南石油大学 | A kind of test model and method of the ground foundation simulation sedimentation with Distribution of Magnetic Field |
-
2015
- 2015-07-24 CN CN201520542416.6U patent/CN205120708U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290016A (en) * | 2016-10-25 | 2017-01-04 | 安徽理工大学 | A kind of underground air impact disaster assay device |
| CN106290016B (en) * | 2016-10-25 | 2018-11-20 | 安徽理工大学 | A kind of underground air impact disaster experimental rig |
| CN109681164A (en) * | 2018-07-30 | 2019-04-26 | 东北石油大学 | A kind of device of simulation set damage process |
| CN109406754A (en) * | 2018-10-30 | 2019-03-01 | 中国神华能源股份有限公司 | Analogy method, the device and system of seam mining |
| CN109406754B (en) * | 2018-10-30 | 2021-09-03 | 中国神华能源股份有限公司 | Coal seam mining simulation method, device and system |
| CN109841138A (en) * | 2019-03-28 | 2019-06-04 | 西南石油大学 | A kind of test model and method of the ground foundation simulation sedimentation with Distribution of Magnetic Field |
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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: 20160330 Termination date: 20180724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |