CN104849080A - Relation experiment platform for coal mine support and roadway carving bulk solids - Google Patents
Relation experiment platform for coal mine support and roadway carving bulk solids Download PDFInfo
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- CN104849080A CN104849080A CN201510224276.2A CN201510224276A CN104849080A CN 104849080 A CN104849080 A CN 104849080A CN 201510224276 A CN201510224276 A CN 201510224276A CN 104849080 A CN104849080 A CN 104849080A
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- caving
- coal mine
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- tunnel
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Abstract
The invention provides a relation experiment platform for a coal mine support and roadway carving bulk solids, and belongs to the technical field of mine rescue experiments, which comprises a fixed base and a fixed frame. The fixed frame is fixedly connected with the surface periphery of the upper top end of the fixed base. The middle part of the surface of the upper top end of the fixed base is provided with a placement long groove. The left and right edges of the surface of the lower top end of the interior of the placement long groove are vertically and fixedly connected with a plurality of hydraulic jacks. The surfaces of the upper top ends of the hydraulic jacks are fixed connected with a support. In this way, the interaction relation pf the support on carving stuffs, such as sands or rocks, can be revealed. By means of the experiment platform, the displacement, the interaction force and the spatial structure condition of sands/rocks/other carving stuffs during the support process of a rescue channel can be measured in real time.
Description
Technical field
The present invention relates to a kind of coal mine support body and tunnel is caving prose style free from parallelism relationship experiments platform, for studying the prop that reproduces rescue passage after colliery roadway surrounding rock is caving and being caving prose style free from parallelism interactively.
Background technology
After the major disaster such as underground coal mine generation rock burst, coal and gas prominent, gas (coal dust) blast, tunnel is done great damage, causing surrounding rock failure formation to be caving a prose style free from parallelism is filled in whole tunnel, being caving a prose style free from parallelism is the media such as varigrained sillar, the prop material in loose coal and original tunnel and water, forms the different prose style free from parallelism of the particle diameter even mixture such as water, mud, coal, stone.Reproduce rescue passage being caving in a prose style free from parallelism, need research prop to the interactively being caving a prose style free from parallelism, be specially and be caving the stressed, mobile of a prose style free from parallelism and mechanics transmission characteristic by actual measurement after prop effect, observation is caving the change of prose style free from parallelism interior spatial structure, thus provide theoretical direction for reproducing rescue ground settlement and tunnel, supporting, at present to reproducing rescue passage prop to the motion track be caving in body mechanism, mechanics transmission characteristic and to be caving the research of prose style free from parallelism interior spatial structure very few.
Summary of the invention
The object of the invention is: the present invention proposes a kind of coal mine support body and tunnel is caving prose style free from parallelism relationship experiments platform, this experiment table can simulate coal mine roadway be caving in a prose style free from parallelism reproduce rescue passage time prop to the interactively being caving a prose style free from parallelism, utilize this testing table can survey in rescue passage Bracing Process to be caving that prose style free from parallelism displacement, interaction force and prop are stressed, frame stressing situation, can observe simultaneously and be caving a prose style free from parallelism and affect by rescue ground settlement and tunnel, be caving a prose style free from parallelism and form space structure from being stabilized to destruction again to stable dynamic process, its technical scheme is as follows:
A kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform, the fixed frame comprising firm banking and be fixedly connected with top end surface surrounding on described firm banking, on described firm banking, top end surface middle is provided with placement elongated slot, the front end of described placement elongated slot is opened on the front end face of firm banking, in described placement elongated slot, subordinate's top end surface left and right edges place is vertically fixedly connected with several hydraulic jack, several hydraulic jack described are along placing elongated slot length direction spaced set, described piston rod of hydraulic jack top is connected with prop inner tip.
Beneficial effect of the present invention is: this experiment table can simulate coal mine roadway be caving in a prose style free from parallelism reproduce rescue passage time, prop is to the interactively being caving a prose style free from parallelism, utilize this testing table can survey in rescue passage Bracing Process to be caving the stressed and frame stressing of prose style free from parallelism displacement, interaction force and prop, can observing simultaneously and be caving a prose style free from parallelism and affect space structure situation of change by rescue ground settlement and tunnel, namely observing being caving prose style free from parallelism space structure from being stabilized to destruction again to stable dynamic process.
accompanying drawing illustrates:
Fig. 1 is one-piece construction schematic diagram of the present invention.
embodiment:
With reference to Fig. 1, a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform, the fixed frame 2 comprising firm banking 1 and be fixedly connected with top end surface surrounding on described firm banking 1, on described firm banking 1, top end surface middle is provided with and places elongated slot 5, the front end of described placement elongated slot 5 is opened on the front end face of firm banking 1, in described placement elongated slot 5, subordinate's top end surface left and right edges place is vertically fixedly connected with several hydraulic jack 4, several hydraulic jack 4 described are along placement elongated slot 5 length direction spaced set, described hydraulic jack 4 piston rod top is connected with prop 7 inner tip, each described hydraulic jack 4 is interconnected by hydraulic tube 8, and described hydraulic tube 8 outer end is fixedly connected with controller 6, the height of cylinder of described hydraulic jack 4 is identical with described placement elongated slot 5 internal depth, described prop 7 height is identical with described placement elongated slot 5 internal depth, described firm banking 1 and described fixed frame 2 are made by metal material, described fixed frame 2 inside is provided with several self-controls and is caving body 3,
Described fixed frame 2 and described prop 7 surfaces externally and internally are equipped with several pressure transducers 9.
Experiment table can be tested as follows:
It is that in middle particle, granule, mixing, particle and granule are caving body (sand or stone) and test prop 7 interactively that experiment table can simulate particle diameter, research is caving body (sand or stone) under the effect of prop 7, is caving mechanics transmission characteristic, the deformation trace of body (sand or stone) and is caving body (sand or stone) space structure situation of change.
Experimental technique:
Prepare similar materials: selection particle diameter ratio and on-the-spot roadway surrounding rock are caving the discrete material that a rear formation prose style free from parallelism meets simulated condition;
Lay discrete material: determine to think in advance that the self-control that test is caving body (sand or stone) deformation trace is caving body 3 location layout, discrete material is formed according to roadway surrounding rock rock stratum and lays respectively, and uniform spreading is located in the fixed frame 2 of firm banking 1 upper surface, when being routed to self-control and being caving body 3 design attitude, place self-control according to the locus of correspondence and be caving body 3, wherein, the height that should be caving by actual roadway surrounding rock determines the placement thickness being caving body (sand or stone) after ratio of similitude converts.After having laid material, can form a natural repose angle is the inclined-plane of θ.
Instrument connects: self-control is caving body 3, the data line of pressure transducer 9 is connected on data collecting instrument, data collecting instrument is connected with data handling system by data connecting line.
Open prop: utilize controller 6 several hydraulic jack 4 to be started simultaneously and slowly rise, prop 7 also moves up thereupon, the prose style free from parallelism that is caving above prop 7 is upwards pushed away, form a support space gradually, along with hydraulic jack 4 continues to rise, placement elongated slot 5 support space formed is increasing, when lifting height reaches side plate height, presses controller 6 and hydraulic jack 4 is stopped rising.
Data acquisition: when hydraulic jack 4 starts to start, data collecting instrument starts image data, boost in process at prop 7, by data acquisition system prop 7 with fixed frame 2 upward pressure sensor 9 and make the data being caving body 3 by oneself, be transferred to data handling system.When hydraulic jack 4 lifting height reaches side plate height, after being caving a prose style free from parallelism and being stable, data collecting instrument stops gathering observation simultaneously and is caving the change of prose style free from parallelism interior spatial structure, and record.
Data analysis: data handling system carries out data analysis, displacement, the stressing conditions of body 3 is caving by analyzing self-control, analyze the stressing conditions on fixed frame 2 and prop 7, draw the mechanics transmission characteristic, the deformation trace that are caving body (sand or stone), thus obtain prop 7 to the interactively being caving a prose style free from parallelism.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (7)
1. a coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform, the fixed frame (2) comprising firm banking (1) and be fixedly connected with the upper top end surface surrounding of described firm banking (1), it is characterized in that: the upper top end surface middle of described firm banking (1) is provided with places elongated slot (5), the front end of described placement elongated slot (5) is opened on the front end face of firm banking (1), described placement elongated slot (5) interior subordinate's top end surface left and right edges place is vertically fixedly connected with several hydraulic jack (4), described several hydraulic jack (4) are along placing elongated slot (5) length direction spaced set, described hydraulic jack (4) piston rod top is connected with prop (7) inner tip.
2. a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform according to claim 1, it is characterized in that: each described hydraulic jack (4) is interconnected by hydraulic tube (8), and described hydraulic tube (8) outer end is fixedly connected with controller (6).
3. according to claim 1 or 2, a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform, it is characterized in that: the height of cylinder of described hydraulic jack (4) is identical with described placement elongated slot (5) internal depth.
4. a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform according to claim 1, it is characterized in that: described prop (7) height is identical with described placement elongated slot (5) internal depth.
5. a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform according to claim 1, it is characterized in that: described firm banking (1) and described fixed frame (2) are made by metal material.
6. a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform according to claim 1, it is characterized in that: described fixed frame (2) inside is provided with several self-controls and is caving body (3).
7. a kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform according to claim 1, it is characterized in that: described fixed frame (2) and described prop (7) surfaces externally and internally are equipped with several pressure transducers (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224276.2A CN104849080A (en) | 2015-05-06 | 2015-05-06 | Relation experiment platform for coal mine support and roadway carving bulk solids |
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| CN201510224276.2A CN104849080A (en) | 2015-05-06 | 2015-05-06 | Relation experiment platform for coal mine support and roadway carving bulk solids |
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| CN201510224276.2A Pending CN104849080A (en) | 2015-05-06 | 2015-05-06 | Relation experiment platform for coal mine support and roadway carving bulk solids |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323819A (en) * | 2016-09-22 | 2017-01-11 | 黑龙江科技大学 | Massive accumulation body boundary resistance experiment determination device and experimental method |
| CN112360557A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Roadway driving and supporting comprehensive test bed |
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| RU2276270C1 (en) * | 2004-11-17 | 2006-05-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Powered support section covering |
| CN201176720Y (en) * | 2008-04-18 | 2009-01-07 | 陈正全 | Concealed parking garage |
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| CN204024139U (en) * | 2014-04-15 | 2014-12-17 | 黄进才 | A kind of " can be stealthy " garage |
| CN204556289U (en) * | 2015-05-06 | 2015-08-12 | 黑龙江科技大学 | A kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform |
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2015
- 2015-05-06 CN CN201510224276.2A patent/CN104849080A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2276270C1 (en) * | 2004-11-17 | 2006-05-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Powered support section covering |
| CN201176720Y (en) * | 2008-04-18 | 2009-01-07 | 陈正全 | Concealed parking garage |
| CN101377479A (en) * | 2008-09-25 | 2009-03-04 | 山东科技大学 | Stope mine pressing three-dimensional physical simulation test stand |
| CN202766222U (en) * | 2012-08-07 | 2013-03-06 | 郑州真金耐火材料有限责任公司 | Automatic lifting workbench for kiln car |
| CN203858241U (en) * | 2014-04-14 | 2014-10-01 | 中国矿业大学 | Simulated coal seam mining testing device |
| CN204024139U (en) * | 2014-04-15 | 2014-12-17 | 黄进才 | A kind of " can be stealthy " garage |
| CN204556289U (en) * | 2015-05-06 | 2015-08-12 | 黑龙江科技大学 | A kind of coal mine support body and tunnel are caving prose style free from parallelism relationship experiments platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323819A (en) * | 2016-09-22 | 2017-01-11 | 黑龙江科技大学 | Massive accumulation body boundary resistance experiment determination device and experimental method |
| CN112360557A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Roadway driving and supporting comprehensive test bed |
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