CN203070656U - Experimental device simulating goaf filling process - Google Patents
Experimental device simulating goaf filling process Download PDFInfo
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- CN203070656U CN203070656U CN 201220711775 CN201220711775U CN203070656U CN 203070656 U CN203070656 U CN 203070656U CN 201220711775 CN201220711775 CN 201220711775 CN 201220711775 U CN201220711775 U CN 201220711775U CN 203070656 U CN203070656 U CN 203070656U
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Abstract
The utility model provides an experimental device simulating a goaf filling process, which belongs to the technical field of coal mine goaf filling and underground engineering filling. The simulation experimental device mainly comprises an experimental simulation device, an external grouting control device and a data acquisition device. The experimental simulation device is composed of a transparent model body which is made of organic glass, a rock and soil bed which is hierarchically laid, a simulation goaf, a grouting pipe which links the goaf and sensors which are laid in the goaf. A grouting process is automatically controlled by the external grouting control device. Data acquired by each sensor are transmitted to a data collector through a data line. The above devices are in connection and cooperation. When the grouting process is carried out and a simulation roadway is under the action of an overlying load, the data of all kinds of sensors are collected, and analyzing is carried out on a mechanics evolution process in the coal mine goaf filling process. The experimental device has a transparent and visual model body, realizes automatic grouting process and data collecting, has the advantages of reasonable structure, high controllable precision and good sealing effect, and can be used for teaching demonstration and scientific research analyzing of the indoor experimental goaf filling process.
Description
Technical field
The utility model relates to a kind of for lab simulation goaf filling process experiment device; The filling and the underground works filling technique field that belong to coal mine gob.
Background technology
China is a consumption of coal and big producing country, and " three times " exploitation that long-term coal mining forms large-area underground goaf, particularly coal forms the goaf.Coal mine gob causes serious fault sag and ecological environment problem, the management task arduousness.
For a long time, the technology that mainly adopts of goaf backfill both at home and abroad comprises dry stowing, hydraulic filling and three kinds of methods of consolidated fill.Wherein after the method for consolidated fill goaf after the material gluing of consolidated fill intensity big, significantly reduce raw-material use, also can be used for burying dark, press big, weak-walled in thick above ore body, the use consolidated fill has become the inexorable trend of coal mine gob backfill.The consolidated fill The Application of Technology has been accelerated the flow of research of researcher, how at the experimental provision in consolidated fill goaf, lab simulation goaf, can be used for the scientific research analysis, also can be used for teaching demonstration, and Practical significance is bigger.
Summary of the invention
The utility model provides a kind of simulation goaf filling process experiment device, can simulate goaf, simulation tunnel or the underground space the slip casting process, and the simulation goaf be subjected to situations such as overlying burden effect, gather the various kinds of sensors data, form the mechanics evolution process of coal mine gob filling process is analyzed.
The utility model is achieved by the following technical solution: a kind of simulation goaf filling process experiment device is characterized in that it comprises experimental simulation device, outside slip casting controller and data collector three parts; Described experimental simulation device comprises the transparent model body, is full of the rock-soil layer that layering is laid in the transparent model body, is reserved with the grouting pipe that simulation goaf and goaf are communicated with in the rock-soil layer; Data collector comprises at least 1 sensor and the external data acquisition unit of transparent model that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit by data line; Described outside slip casting controller comprises slip casting controller and flow rate of grouting controller; The slip casting controller is connected with grouting pipe successively with the flow rate of grouting controller; Also comprise the simulation goaf be subjected to the overlying burden effect on cover traveling load.The slip casting process is controlled automatically by outside slip casting controller.Each sensor obtains data and is transferred to data acquisition unit by data line;
Rock-soil layer in the described transparent model body requires the classification layering to lay according to experiment parameter, and simulation goaf wherein is simulation goaf, simulation tunnel or the underground space;
The sensor that lay in described simulation goaf is more than at least 1, and the position anticipation is laid;
Described simulation goaf inner sensor comprises displacement transducer or strain gauge or displacement transducer and strain gauge.
This device concrete operations step is as follows: said apparatus connect to cooperate and to finish, can simulate goaf, simulation tunnel or the underground space the slip casting process, and the simulation goaf be subjected to situations such as overlying burden effect; Data acquisition unit is derived the various kinds of sensors data of gathering, and the mechanics that forms behind the Data Management Analysis coal mine gob grouting filling process develops the analysis that quantizes.
The beneficial effects of the utility model are: simulation goaf filling process experiment mounted cast main body is transparent visual, slip casting process and data acquisition realize robotization, it is rational in infrastructure, controllable precision is high, good sealing effect, can be used for teaching demonstration and the scientific research analysis of goaf filling process.
Description of drawings
Fig. 1 is apparatus structure synoptic diagram of the present utility model.
Among the figure: 1-transparent model body, 2-simulates the goaf, the 3-rock-soil layer, the 4-sensor, the 5-data line, the 6-data acquisition unit, the 7-grouting pipe, 8-slip casting controller, 9-flow rate of grouting controller covers traveling load on the 10-.
Embodiment
Below in conjunction with accompanying drawing 1 and an embodiment further detailed description method of the present utility model of the present utility model and effect, but the utility model is not limited thereto embodiment.
Simulation goaf filling process experiment device comprises experimental simulation device, outside slip casting controller and data collector three parts; Also comprise the simulation goaf be subjected to the overlying burden effect on cover traveling load 10.Described experimental simulation device comprises transparent model body 1, is full of the rock-soil layer 3 that layering is laid in transparent model body 1, is reserved with the grouting pipe 7 that simulation goaf 2 and goaf 2 are communicated with in the rock-soil layer 3; Data collector comprises at least 1 sensor 4 and transparent model body 1 data acquisition unit 6 outward that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit 6 by data line; Automatically the outside slip casting controller of control slip casting process is connected with grouting pipe 7; Rock-soil layer 3 in the described transparent model body 1 requires the classification layering to lay according to experiment parameter, and simulation tunnel 2 wherein is headspace.On cover dynamic load 10 and adopt removable lifting jack.
Totally 9 of the sensors 4 that lay in described simulation tunnel 2, the position anticipation is laid.Displacement transducer and strain gauge are arranged.
Grouting Pipe 7 with the UNICOM goaf behind the described model layering laying rock-soil layer 3 pierces, slip casting tube head assembling slip casting controller 8.
The method of testing implementation procedure of experimental provision is as follows: layering laying rock-soil layer 3 in the experimental simulation device in the said apparatus, and headspace is simulated goaf 2 in rock-soil layer 3, simulation goaf 2 inwalls are laid displacement or strain gauge 4, sensor conductor led to data acquisition unit 6 be connected the simulation goaf 2 outer grouting pipe 7 that are communicated with.Outside slip casting controller is connected with grouting pipe 7, can control flow rate of grouting.Rock-soil layer 3 tops are covered by covering dynamic load 10 in the simulation of removable lifting jack carries out simulation loading, device can simulate tunnel 2 the slip casting process, and the simulation tunnel be subjected to situations such as overlying burden 10 effects; Data acquisition unit 6 is derived various kinds of sensors 4 data of gathering, and the mechanics that forms behind the Data Management Analysis coal mine gob grouting filling process develops the analysis that quantizes.
Claims (3)
1. a simulation goaf filling process experiment device is characterized in that it comprises experimental simulation device, outside slip casting controller and data collector three parts; Described experimental simulation device comprises transparent model body (1), is full of the rock-soil layer (3) that has layering to lay in transparent model body (1), is reserved with simulation goaf (2) in the rock-soil layer (3), and the grouting pipe (7) of goaf (2) connection; Described data collector comprises at least 1 sensor (4) and the outer data acquisition unit (6) of transparent model body (1) that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit (6) by data line; Described outside slip casting controller comprises slip casting controller (8) and flow rate of grouting controller (9); Slip casting controller (8) is connected with grouting pipe (7) successively with flow rate of grouting controller (9); Also comprise make the simulation goaf be subjected to the overlying burden effect on cover traveling load (10).
2. a kind of simulation goaf filling process experiment device according to claim 1, it is characterized in that: the rock-soil layer (3) in the transparent model body (1) requires the classification layering to lay according to experiment parameter, and simulation goaf (2) wherein is simulation goaf, simulation tunnel or the underground space.
3. a kind of simulation goaf filling process experiment device according to claim 1 is characterized in that: simulate the interior sensor (4) in goaf (2) and comprise displacement transducer or strain gauge or displacement transducer and strain gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711775 CN203070656U (en) | 2012-12-20 | 2012-12-20 | Experimental device simulating goaf filling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711775 CN203070656U (en) | 2012-12-20 | 2012-12-20 | Experimental device simulating goaf filling process |
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| Publication Number | Publication Date |
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| CN203070656U true CN203070656U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220711775 Expired - Fee Related CN203070656U (en) | 2012-12-20 | 2012-12-20 | Experimental device simulating goaf filling process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035158A (en) * | 2012-12-20 | 2013-04-10 | 江苏建筑职业技术学院 | Experiment device used for simulating goaf filling process |
| CN103915029A (en) * | 2014-04-22 | 2014-07-09 | 西安科技大学 | Multi-level stirring slurry filling model testing system and method |
| CN104990831A (en) * | 2015-06-01 | 2015-10-21 | 中国矿业大学 | Experimental platform simulating goaf air leakage and plugging |
| CN105181932A (en) * | 2015-09-09 | 2015-12-23 | 中国矿业大学 | Visualized grouting test device and test method of fractured rock mass |
-
2012
- 2012-12-20 CN CN 201220711775 patent/CN203070656U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035158A (en) * | 2012-12-20 | 2013-04-10 | 江苏建筑职业技术学院 | Experiment device used for simulating goaf filling process |
| CN103915029A (en) * | 2014-04-22 | 2014-07-09 | 西安科技大学 | Multi-level stirring slurry filling model testing system and method |
| CN103915029B (en) * | 2014-04-22 | 2016-01-20 | 西安科技大学 | A kind of Multi-stage stirring slurry filling model assay systems and method |
| CN104990831A (en) * | 2015-06-01 | 2015-10-21 | 中国矿业大学 | Experimental platform simulating goaf air leakage and plugging |
| CN105181932A (en) * | 2015-09-09 | 2015-12-23 | 中国矿业大学 | Visualized grouting test device and test method of fractured rock mass |
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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: 20130717 Termination date: 20141220 |
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| EXPY | Termination of patent right or utility model |