CN205445669U - Moisture coal seam in different inclinations can be simulated and slip casting test device is filled - Google Patents
Moisture coal seam in different inclinations can be simulated and slip casting test device is filled Download PDFInfo
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- CN205445669U CN205445669U CN201521070716.5U CN201521070716U CN205445669U CN 205445669 U CN205445669 U CN 205445669U CN 201521070716 U CN201521070716 U CN 201521070716U CN 205445669 U CN205445669 U CN 205445669U
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Abstract
The utility model provides a moisture coal seam in different inclinations can be simulated and slip casting test device is filled, includes square test bench frame, fills slip casting analogue means, upper portion and peripheral hydraulic loading system, stress and strain data acquisition system and test bench inclination adjusting device, can simulate different inclination coal seams and combine under certain water content condition and adopt detailed processes such as working face exploitation, goaf filling, the slip casting of roof country rock, can fill the pressure in the in -process goaf filling body and the coal face overlying rock, the three -dimensional situation of change of displacement by real -time supervision through information processing apparatus to utilize the simulation of computer image, thereby pressure, displacement and the destruction condition that mining with filling adopted the rock stratum can really be reappeard to real reaction mining with filling's the on -the -spot condition, its simple structure, compact reasonable, reliable and stable, environment infinite close in the actual exploitation condition of filling is filled in its exploitation.
Description
Technical field
This utility model relates to the device of a kind of filling and injecting slurry simulation test, especially one and tilts aqueous coal seam filling and injecting slurry assay device be applicable to mining engineering.
Background technology
China, as the country with coal as main energy sources, rapid development of economy, needs the quick growth of coal production.But the problems such as a lot of mining areas face, and resource is day by day exhausted, environmental disruption and " three times " pressure coal amount disaster are adopted.Underground goaf is utilized to dispose the coal mining with gangue backfilling technology of gangue, not only can reclaim " three times " pressure coal, and reduce colliery solid waste ground release, liberation mine hoisting ability, but also deep mining and subsidence disaster can be alleviated, be one of key technology approach realizing colliery lasting exploit.
The development and change of research Stope Abutment Pressure and issues that need special attention in movement rule, always process of coal mining, be also a difficulties.Owing to the characteristics of motion of field study " three times " filling mining overlying rock has invisibility, " three times " the filling mining subsidence forecast being correlated with is the empirical method based on experiment the most mostly, therefore, the analog material experimentation carrying out " three times " filling mining overlying strata moving characteristic is highly desirable to.Analog simulation assay device mainly has two classes, a class to be areal model framves, and a class is stereomodel frame.Due to its finite thickness of areal model frame, the engineering-environment residing for underground engineering structure or rock stratum can not be reproduced, and the load in three directions of model applying can be simulated the stress field of the surrounding rock of the underground structures such as tunnel, chamber or tunnel by stereomodel assay device by charger, make simulation process and analog result closer to reality.Existing stereomodel assay device typically can only simulate working face mining, what simulation seam mining and goaf filling were Tong Bu carried out comprehensive adopts stowing operation, cannot be simulated tilting aqueous coal seam stress field of the surrounding rock of underground structure in excavation filling carries out the work progress of slip casting simultaneously, simulation test function of the prior art is the most single, and simulation effect is limited.
Utility model content
The purpose of this utility model is to overcome the weak point in prior art, it is provided that a kind of simple in construction, easy to operate, meet that engineering is actual to greatest extent, the aqueous coal seam of arbitrary angle can be simulated carry out at filling mining simultaneously the assay device of slip casting.
The technical solution of the utility model is: of the present utility model simulate different angle aqueous coal seam filling and injecting slurry assay device, including square test table frame, filling and injecting slurry analog, top and periphery hydraulic loading system, stress-strain data acquisition system and testing stand inclination-angle regulating device；Described square test table frame includes support and the upper guard-plate closed by whole assay device and bottom baffle and surrounding baffle plate, and the leg being fixed on bottom baffle, and wherein leg is welded and fixed with loading plate；Described filling and injecting slurry analog includes simulating rock stratum, simulation coal seam, cuboid simulation filler module, grouting pipe, filling pipe, simulation support, described simulation coal seam is made up of some cuboid coal cinders, wherein grouting pipe is connected with grouting pump, filling pipe is connected with water injecting pump, and the size of cuboid simulation filler module is equal sized with cuboid coal cinder.Described top and periphery hydraulic loading system include top and the hydraulic jack of surrounding and oil-piping and oil pump, and top, surrounding baffle plate are loaded by the hydraulic jack of described top and surrounding respectively；Described stress-strain data acquisition system includes the ess-strain sheet being previously placed in simulation rock stratum and simulation filler module and the data processor being attached thereto；Testing stand inclination-angle regulating device includes axle bed that the side with loading plate is connected and the hydraulic jacking device being connected with loading plate opposite side and the locking device locked by whole testing stand；Axle bed and hydraulic jacking device are fixed on pedestal.
Wherein, grouting pipe is made up of some arms, and after the most each arm is inserted perpendicularly into simulation rock stratum certain depth, its position is corresponding to the position in the middle of each coal cinder.
Wherein, the tube wall of described arm and the tube wall of described filling pipe are offered by some apertures.
Described filling pipe has several, and each pipeline inserts inside each coal cinder respectively, and fixes in insert port with fluid sealant.
Described ess-strain sheet is placed in simulation rock stratum and the different layers position of simulation filler module, depending on particular location is according to test requirements document and parameter.
This utility model uses technique scheme, by loading system and filling mining analog systems, can simulate different angle coal seam detailed process such as fully-mechanized mining working exploitation, goaf filling, roof rock slip casting under certain Water Content Conditions；The pressure that can be monitored in real time in stowing operation in goaf filling body and coal-face overlying rock by information processor, the three dimensional change situation of displacement, and utilize computer visual simulation, thus react the field condition of filling mining really, filling mining can be reproduced really and adopt the pressure of rock stratum, displacement and destruction situation, its simple in construction, compact and reasonable, reliable and stable, its exploitation filling environment is infinitely close to actual exploitation filling condition.
Accompanying drawing explanation
Fig. 1 is the front view that this utility model can simulate different angle aqueous coal seam filling and injecting slurry assay device；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the front view showing internal rock stratum in Fig. 1；
Fig. 4 is coal cinder excavation the schematic diagram of filling in Fig. 3；
Fig. 5 is the schematic diagram that in Fig. 4, grouting pipe is arranged；
Fig. 6,7 it is the schematic diagram of coal cinder and filler module respectively.
In figure: 1-right baffle-plate, 2-overhead gage, the right baffle plate of 3-, 4-simulates coal seam, 5-leg, 6-loading plate, 7-axle bed, 8-pedestal, 9-hydraulic jacking device, 10-front apron, 11-backboard, 12-simulates rock stratum, 13-simulates support, and 14-simulates filler module, 15-grouting pipe, 16-simulates coal cinder, 18-filling pipe.
Detailed description of the invention
One of the present utility model can simulate different angle aqueous coal seam filling and injecting slurry assay device, including square test table frame, filling and injecting slurry analog, top and periphery hydraulic loading system, stress-strain data acquisition system and testing stand inclination-angle regulating device；Described square test table frame includes support and the upper guard-plate 2 closed by whole assay device and bottom baffle and surrounding baffle plate 1, and 3,10,11, and the leg 5 being fixed on bottom baffle, wherein leg 5 is welded and fixed with loading plate 6；Described filling and injecting slurry analog includes simulating rock stratum 12, simulation coal seam, cuboid simulation filler module 14, grouting pipe 15, filling pipe 18, simulation support 13, described simulation coal seam is made up of some cuboid coal cinders 16, wherein grouting pipe 15 is connected with grouting pump, filling pipe 18 is connected with water injecting pump, and the size of cuboid simulation filler module 14 is equal sized with cuboid coal cinder 16.
Described top and periphery hydraulic loading system include top and the hydraulic jack of surrounding and oil-piping and oil pump, and top, surrounding baffle plate are loaded by the hydraulic jack of described top and surrounding respectively；
Described stress-strain data acquisition system includes the ess-strain sheet being previously placed in simulation rock stratum and simulation filler module and the data processor being attached thereto；
Testing stand inclination-angle regulating device includes the axle bed 7 being connected with the side of loading plate 6 and the hydraulic jacking device 9 being connected with loading plate opposite side and the locking device locked by whole testing stand；Axle bed 7 and hydraulic jacking device 9 are fixed on pedestal 8.
Described grouting pipe 15 is made up of some arms, and after the most each arm is inserted perpendicularly into simulation rock stratum certain depth, its position is corresponding to the position in the middle of each coal cinder.
The tube wall of described arm and the tube wall of described filling pipe 18 are offered by some apertures.
Described filling pipe 18 has several, and it is internal that each pipeline inserts each coal cinder 16 respectively, and fixes in insert port with fluid sealant.
Described ess-strain sheet is placed in simulation rock stratum 12 and the different layers position of simulation filler module 14, depending on particular location is according to test requirements document and parameter.
A kind of test method simulating different angle aqueous coal seam filling and injecting slurry assay device of the present utility model, comprises the following steps:
A, calculate the parameters needed for test according to Practical Project parameter, including the simulation material of rock stratum, thickness, the size of simulation coal cinder, injecting paste material, injection speed, slip casting time, waterflood injection rate, the parameter such as the loading load arranging position, load cylinder of ess-strain sheet；
B, assemble described square test table frame, by upper guard-plate 2 and bottom baffle and surrounding baffle plate 1,3,10, after 11 is fixing, lay certain thickness base plate simulation rock stratum 12, the simulation coal seam 4 being made up of some lump coal blocks, top board simulation rock stratum 12 from the bottom up in inside, the diverse location in simulation rock stratum is buried ess-strain sheet underground, and is connected with data processor by data wire；
C, at upper guard-plate 2 and surrounding baffle plate 1, load with hydraulic jack on 3,10,11, direction is perpendicular to rock mass；
D, seam inclination parameter as required, open hydraulic jacking device 9 so that the coal seam in square test platform reaches the inclination angle needed, and is locked by whole testing stand；
E, unlatching water pump, carry out water filling, injection flow and water injection time according to depending on test parameters by the filling pipe 18 being connected on every lump coal block 16；
F, preparation simulation recovery process, rightmost two lump coal block is extracted, one of goaf is packed into simulation support 13, the filler module 14 of the good ess-strain sheet of pre-plugged is inserted in another block goaf, open grouting pump, by the two-way grouting pipe 15 above filler module 14 and simulation support 13, simulation rock stratum 12 is carried out slip casting, after reaching certain slip casting time, close grouting pump, gather each item data of all ess-strain sheets now by data processor；
After the numerical stability of g, iso-stress strain, continue simulation and exploit the coal cinder on the adjacent left side, and in this goaf, move into described simulation support 13, and insert another filler module 14 at grand master pattern plan backing positions, and open grouting pump by simulation support 13 above grouting pipe carry out slip casting, after reaching certain slip casting time, close grouting pump, then gathered each item data of all ess-strain sheets by data processor；
H, and so forth, the stress of the simulation exploitation and filling that complete whole coal seam answers the collecting work of sheet change numerical value, and carries out data with computer and process further, thus the rule of ess-strain change during obtaining different angle aqueous coal seam filling and injecting slurry.
Claims (5)
1. can simulate different angle aqueous coal seam filling and injecting slurry assay device for one kind, it is characterised in that: include square test table frame, filling and injecting slurry analog, top and periphery hydraulic loading system, stress-strain data acquisition system and testing stand inclination-angle regulating device；
Described square test table frame includes support and the upper guard-plate (2) closed by whole assay device and bottom baffle and surrounding baffle plate (1,3,10,11), and the leg (5) being fixed on bottom baffle, wherein leg (5) is welded and fixed with loading plate (6)；
Described filling and injecting slurry analog includes simulating rock stratum (12), simulation coal seam (4), cuboid simulation filler module (14), grouting pipe (15), filling pipe (18), simulation support (13), described simulation coal seam is made up of some cuboid coal cinders (16), wherein grouting pipe (15) is connected with grouting pump, filling pipe (18) is connected with water injecting pump, and the size of cuboid simulation filler module (14) is equal sized with cuboid coal cinder (16)；
Described top and periphery hydraulic loading system include top and the hydraulic jack of surrounding and oil-piping and oil pump, and top, surrounding baffle plate are loaded by the hydraulic jack of described top and surrounding respectively；
Described stress-strain data acquisition system includes the ess-strain sheet being previously placed in simulation rock stratum and simulation filler module and the data processor being attached thereto；
Testing stand inclination-angle regulating device includes the axle bed (7) being connected with the side of loading plate (6) and the hydraulic jacking device (9) being connected with loading plate opposite side and the locking device locked by whole testing stand；Axle bed (7) and hydraulic jacking device (9) are fixed on pedestal (8).
2. one as claimed in claim 1 can simulate different angle aqueous coal seam filling and injecting slurry assay device, it is characterized in that: described grouting pipe (15) is made up of some arms, after the most each arm is inserted perpendicularly into simulation rock stratum certain depth, its position is corresponding to the position in the middle of each coal cinder.
3. one as claimed in claim 2 can simulate different angle aqueous coal seam filling and injecting slurry assay device, it is characterised in that: the tube wall of described arm and the tube wall of described filling pipe (18) are offered by some apertures.
4. one as claimed in claim 3 can simulate different angle aqueous coal seam filling and injecting slurry assay device, it is characterized in that: described filling pipe (18) has several, it is internal that each pipeline inserts each coal cinder (16) respectively, and fixes in insert port with fluid sealant.
5. one as claimed in claim 4 can simulate different angle aqueous coal seam filling and injecting slurry assay device, it is characterized in that: described ess-strain sheet is placed in simulation rock stratum (12) and the different layers position of simulation filler module (14), depending on particular location is according to test requirements document and parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070716.5U CN205445669U (en) | 2015-12-14 | 2015-12-14 | Moisture coal seam in different inclinations can be simulated and slip casting test device is filled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070716.5U CN205445669U (en) | 2015-12-14 | 2015-12-14 | Moisture coal seam in different inclinations can be simulated and slip casting test device is filled |
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| CN205445669U true CN205445669U (en) | 2016-08-10 |
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| CN201521070716.5U Expired - Fee Related CN205445669U (en) | 2015-12-14 | 2015-12-14 | Moisture coal seam in different inclinations can be simulated and slip casting test device is filled |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510534A (en) * | 2015-12-14 | 2016-04-20 | 辽宁建筑职业学院 | Testing device and method capable of simulating filling and grouting of water-containing coal seams with different inclination angles |
| CN107941658A (en) * | 2018-01-08 | 2018-04-20 | 中国矿业大学 | A kind of inclined shaft grouting behind shaft or drift lining model test apparatus and test method |
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN109637334A (en) * | 2018-12-24 | 2019-04-16 | 安徽理工大学 | It is a kind of solid similarity simulation experiment model and its simulation implementation method |
| CN110159342A (en) * | 2019-06-12 | 2019-08-23 | 中国石油大学(北京) | Gravel filling simulation experimental system |
| CN110318730A (en) * | 2019-06-25 | 2019-10-11 | 中国石油化工股份有限公司 | The multi-functional downhole probe testing stand of high-freedom degree |
| CN115014282A (en) * | 2022-05-19 | 2022-09-06 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Model test device and method for simulating goaf generation and treatment in stratum |
-
2015
- 2015-12-14 CN CN201521070716.5U patent/CN205445669U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510534A (en) * | 2015-12-14 | 2016-04-20 | 辽宁建筑职业学院 | Testing device and method capable of simulating filling and grouting of water-containing coal seams with different inclination angles |
| CN107941658A (en) * | 2018-01-08 | 2018-04-20 | 中国矿业大学 | A kind of inclined shaft grouting behind shaft or drift lining model test apparatus and test method |
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN109637334A (en) * | 2018-12-24 | 2019-04-16 | 安徽理工大学 | It is a kind of solid similarity simulation experiment model and its simulation implementation method |
| CN110159342A (en) * | 2019-06-12 | 2019-08-23 | 中国石油大学(北京) | Gravel filling simulation experimental system |
| CN110318730A (en) * | 2019-06-25 | 2019-10-11 | 中国石油化工股份有限公司 | The multi-functional downhole probe testing stand of high-freedom degree |
| CN115014282A (en) * | 2022-05-19 | 2022-09-06 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Model test device and method for simulating goaf generation and treatment in stratum |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20160810 Termination date: 20161214 |