CN202947930U - Simulation experiment platform of compacting system for solid filling coal mining solid materials - Google Patents
Simulation experiment platform of compacting system for solid filling coal mining solid materials Download PDFInfo
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- CN202947930U CN202947930U CN 201220675408 CN201220675408U CN202947930U CN 202947930 U CN202947930 U CN 202947930U CN 201220675408 CN201220675408 CN 201220675408 CN 201220675408 U CN201220675408 U CN 201220675408U CN 202947930 U CN202947930 U CN 202947930U
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Abstract
The utility model relates to a simulation experiment platform of a compacting system for solid filling coal mining solid materials. The platform mainly consists of a power supplying system, a punning system, a loading system, a data collecting and processing system, a base and a box-shaped frame. The systems are sequentially matched to simulate a mining and filling field, so that the filling and punning processes of the solid material in the solid mining and filling technology can be realized in a laboratory, and associated parameters can be obtained through the data collecting and processing system. The punning system of the platform can realize 2MPa punning force, and the loading system can realize maximally 10MPa loading pressure. The loading pressure can be continuous in constant pressure or variable. The experiment device can measure stress-strain characteristics under different loading pressures of same filling material, stress-strain characteristics under same loading pressure of different filling materials and creep property of special filling materials under continuous constant pressure in real time. The platform is simple in structure and easy to operate, and is an important platform for theoretical research of evolution of mechanical property of solid filling materials under special load conditions in the solid filling coal mining technology.
Description
Technical field
The utility model relates to solid filling coal mining solid material debulking systems simulation experiment platform, is particularly useful for simulating filling compacting and the deformation experiment of solid material under fixing or alternate load of solid material.
Background technology
The solid filling production technique presses the aspects such as coal, control subsidence, the recovery pillars of a house, the dull coal resources of liberation to have good technical advantage, economic benefit and social benefit in liberation " three times "; Along with the solid filling production technique is ripe day by day, in the process of applying, some problems have also been highlighted; On the one hand, in industrial practice, some filling parameters are all empirical parameters, and the method for chamber experiment is simulated relevant filling parameters by experiment, thereby, filling effect is predictable poor, can not predict the problem that may occur in different geological conditions retrofilling recovery process simultaneously; On the other hand, in case after stope is implemented the solid filling exploitation, superincumbent stratum and surface movement sink to controlling effect and will be decided by obturation, and artificially the intervention of active is controlled, and this just brings difficulty for the optimization of filling parameters.
Summary of the invention
Technical matters: the purpose of this utility model is for the problem that exists in prior art, and a kind of compact conformation, easy to operate solid filling coal mining solid material debulking systems simulation experiment platform are provided.
Technical scheme: solid filling coal mining solid material debulking systems simulation experiment platform of the present utility model, comprise data acquisition processing system, also comprise power generating system, compacting system, loading system and base and box frame; Described loading system is located on box frame, and the compacting system is fixed on the base of framework casing one side; Described power generating system comprises control box and respectively to loading system and the compacting system oil pump for oil pressure;
Described compacting system comprises L-shaped rammer compacter holder, the rammer compacter holder is provided with movably rammer compacter base, the turning of rammer compacter base is hinged with rammer compacter, the upper articulation of rammer compacter base has the balance arm oil cylinder, the hinge joint of the expansion link of balance arm oil cylinder on rammer compacter, by the extension and contraction control rammer compacter of balance arm oil cylinder swing up and down by; Described box frame is provided with the connecting rail that the rammer compacter base moves;
Described loading system includes pressing machine, be located at the pressing machine below is positioned at loading seat on box frame, load on seat and be evenly arranged many groups load cylinder that on-load pressure is 0 ~ 3.3MPa, organize load cylinder more and be provided with the loading cylinder holder of accepting oil cylinder of press machine;
Described many group load cylinders are the 2-4 group, and every group of load cylinder is four; Before and after described box frame top, the interval, both sides is welded with drag link bearing, is fixed with pull bar on drag link bearing; Described rammer compacter is the two grade thrust rammer compacter that pressure can reach 2MPa.
Beneficial effect: the utility model can be realized the filling compacting process of solid material in the solid filling production technique in the laboratory, can record compaction material of the same race according to different needs and continue creep properties under constant pressure at the stress-strain characteristics under the stress-strain characteristics under different on-load pressures, the identical on-load pressure of different compaction material and specific attal.And obtain correlation parameter by data acquisition processing system.The on-load pressure of 0 ~ 3.3MPa that every group of load cylinder provides can be simulated the pressure of superincumbent stratum to obturation under 100 ~ 600m Conditions of Buried Depth, and on-load pressure can continuous and constant pressure or Study of Cyclic Loading.By to the chamber simulation of the filling of solid filling material compacting process experiment, on the one hand can Optimization Packing the correlation parameter of system; On the other hand can be by detecting the parameter prediction filling effects such as packing, obturation stress, roof-to-floor convergence; The 3rd, by adjusting the technological parameters such as compacting power, compacting time, discharge way, the filling process at the scene of optimization that can be real-time has important directive significance for the mechanization solid filling exploitation workplace of building high-yield and high-efficiency, and engineering effort is remarkable.It is simple in structure, easy to operate, and simulate effect is good.
Description of drawings
Fig. 1 is the utility model solid filling coal mining solid material debulking systems simulation experiment platform structural representation;
Fig. 2 is the utility model compacting system architecture schematic diagram front elevation;
Fig. 3 is the utility model compacting system architecture schematic diagram vertical view;
Fig. 4 is the utility model loading system structural representation;
Fig. 5 is the utility model press structure schematic diagram front elevation;
Fig. 6 is the utility model box frame construction schematic diagram vertical view;
Fig. 7 is the utility model box frame construction schematic diagram front elevation;
Fig. 8 is that the utility model load cylinder is arranged the schematic diagram front elevation;
Fig. 9 is that the utility model load cylinder is arranged the schematic diagram vertical view;
Figure 10 is the utility model rammer compacter structural representation.
In figure: 1-rammer compacter, 2-balance arm oil cylinder, 3-rammer compacter holder, 4-rammer compacter base, the 5-connecting rail, 6-one-level compacting oil cylinder, 7-secondary compacting oil cylinder, 8-pressing machine, the 9-oil cylinder of press machine, 10-pressing machine column, 11-loads the cylinder holder, and 12-loads the cylinder fixed head, 13-load cylinder, 14-load seat, 15-press base, the 16-top board, 17-obturation, 18-box frame, the 19-drag link bearing, 20-pull bar, 21-base.
Embodiment:
Below in conjunction with accompanying drawing, an embodiment of the present utility model is further described:
As shown in Figure 1, solid filling coal mining solid material debulking systems simulation experiment platform of the present utility model, mainly formed by power generating system, compacting system, loading system, data acquisition processing system and base 21 and box frame 18, described loading system is located on box frame 18, and the compacting system is fixed on the base 21 of framework casing 18 1 sides; Described power generating system comprises control box and respectively to loading system and the compacting system oil pump for oil pressure; By hydraulic power unit source of supply power, oil cylinder of press machine 9, load cylinder 13 in hydraulic power unit in road direction loading system provide oil pressure, load cylinder 13 is the 2-3 group, and every group of load cylinder 13 is connected by bearing pin with a loading seat 14, and every group oil cylinder can load separately; Another road comprises one-level compacting oil cylinder 6, secondary compacting oil cylinder 7 and balance arm oil cylinder 2 for the compacting system.
As shown in Figures 2 and 3, described compacting system is mainly by rammer compacter 1, balance arm oil cylinder 2 and rammer compacter holder 3 consist of, rammer compacter holder 3 is L-shaped, rammer compacter holder 3 is provided with movably rammer compacter base 4, the turning of rammer compacter base 4 is hinged with rammer compacter 1, and rammer compacter is the two grade thrust rammer compacter that pressure can reach 2MPa.the upper articulation of rammer compacter base 4 has balance arm oil cylinder 2, the hinge joint of the expansion link of balance arm oil cylinder 2 on rammer compacter 1, by the extension and contraction control rammer compacter 1 of balance arm oil cylinder 2 swing up and down by, described box frame 18 is provided with the connecting rail 5 that rammer compacter base 4 moves, rammer compacter 1 is connected by bearing pin with rammer compacter base 4, rammer compacter 1 rotates centered by the bearing pin on rammer compacter base 4, balance arm oil cylinder 2 one ends are connected by bearing pin with rammer compacter holder 3, the other end is connected by bearing pin with rammer compacter 1, balance arm oil cylinder 2 two ends all can be rotated centered by bearing pin, stretch to control swinging up and down of rammer compacter 1 by balance arm oil cylinder 2, balance arm oil cylinder 2 stretches out fully rammer compacter 1 is put to horizontal level, can make rammer compacter 1 arrive box frame 18 when all regaining suitable for reading, rammer compacter 1 stretch out fully and during horizontal positioned and the distance of box frame 18 right side inwalls be 10 ~ 20cm, rammer compacter 1 shrink fully and during horizontal positioned and box frame 18 left side extended distances be 20 ~ 40cm, rammer compacter holder 3 bottoms are fixed on base 21, rammer compacter holder 3 is connected by connecting rail 5 with press base 15.
As shown in Figure 4, described loading system includes pressing machine 8, be located at pressing machine 8 belows is positioned at loading seat 14 on box frame 18, load on seat 14 and be evenly arranged three groups of load cylinders 13 that on-load pressure is 0 ~ 3.3MPa, every group of load cylinder is four, three groups of load cylinders 13 are bolted in loading on cylinder fixed head 12, load cylinder fixed head 12 and is connected with the Baltimore groove that loads cylinder holder 11 bottoms by bolt, every group of load cylinder 13 lower end connect a loading 14 by bearing pin.
As shown in Figure 5, pressing machine 8 integral body are a rigid structure, oil cylinder of press machine 9 can drive and load cylinder holder 11 and move up and down and load, four pressing machine columns 10 guarantee that pressing machine 8 general frames are a rigid structure, and the pressure that makes oil cylinder of press machine 9 produce is converted to the internal force of pressing machine 8 self.
As shown in Figure 6 and Figure 7, box frame 18 is cast structure, and box frame 18 front and back, tops symmetria bilateralis are welded with on 19, four drag link bearings 19 of four drag link bearings and are fixed with two pull bars 20, with the distortion that top produces when stressed of restriction box frame 18.
Described data acquisition processing system comprises the stress monitoring instrument that is located at obturation inside, be located at the amount of shifting near monitor in roof and floor, be located at compacting power monitor, secondary load system pressure monitor and computing machine on rammer compacter 1.
principle of work: box frame 18 is fixed on press base 15, guarantee that box frame 18 can not produce displacement because of the thrust of rammer compacter 1, at first load cylinder 13 is regained fully, oil cylinder of press machine 9 is advanced downwards until load seat 14 bottoms lock pressure Oil cylinder 9 when flushing with the upper opening of box frame 18, guarantee that oil cylinder of press machine 9 can not move in rated pressure, dismantle top board 16 and carry out material loading, then by the compacting system, obturation 17 is tamped, and then carry out material loading, so repeatedly until obturation 17 is fully installed top board 16 during the position on top board 16 right sides of contact box frame 18, follow afterwards material loading, until obturation 17 is overflowed box frame 18, all withdrawal and obturation 17 have been pressed close to rammer compacter 1 to rammer compacter 1 fully fully with balance arm oil cylinder 2 at this moment, load cylinder 13 loads on demand take group as unit.
Claims (4)
1. a solid filling coal mining solid material debulking systems simulation experiment platform, comprise data acquisition processing system, it is characterized in that: also comprise power generating system, compacting system, loading system, base (21) and box frame (18); Described loading system is located on box frame (18), and the compacting system is fixed on the base (21) of framework casing (18) one sides; Described power generating system comprises control box and respectively to loading system and the compacting system oil pump for oil pressure;
Described compacting system comprises L-shaped rammer compacter holder (3), rammer compacter holder (3) is provided with movably rammer compacter base (4), the turning of rammer compacter base (4) is hinged with rammer compacter (1), the upper articulation of rammer compacter base (4) has balance arm oil cylinder (2), the hinge joint of the expansion link of balance arm oil cylinder (2) on rammer compacter (1), by the extension and contraction control rammer compacter (1) of balance arm oil cylinder (2) swing up and down by; Described box frame (18) is provided with the mobile connecting rail (5) of rammer compacter base (4);
Described loading system includes pressing machine (8), be located at pressing machine (8) below is positioned at loading seat (14) on box frame (18), load on seat (14) and be evenly arranged many groups load cylinder (13) that on-load pressure is 0 ~ 3.3MPa, organize load cylinder (13) more and be provided with the loading cylinder holder (11) of accepting oil cylinder of press machine (9).
2. solid filling coal mining solid material debulking systems simulation experiment platform according to claim 1 is characterized in that: described many group load cylinders (13) are organized for 2-4, and every group of load cylinder is four.
3. solid filling coal mining solid material debulking systems simulation experiment platform according to claim 1, it is characterized in that: interval, both sides, front and back, described box frame (18) top is welded with drag link bearing (19), is fixed with pull bar (20) on drag link bearing (19).
4. solid filling coal mining solid material debulking systems simulation experiment platform according to claim 1, it is characterized in that: described rammer compacter is the two grade thrust rammer compacter that pressure can reach 2MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675408 CN202947930U (en) | 2012-12-10 | 2012-12-10 | Simulation experiment platform of compacting system for solid filling coal mining solid materials |
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| CN 201220675408 CN202947930U (en) | 2012-12-10 | 2012-12-10 | Simulation experiment platform of compacting system for solid filling coal mining solid materials |
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| CN202947930U true CN202947930U (en) | 2013-05-22 |
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| CN 201220675408 Expired - Fee Related CN202947930U (en) | 2012-12-10 | 2012-12-10 | Simulation experiment platform of compacting system for solid filling coal mining solid materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018105A (en) * | 2012-12-10 | 2013-04-03 | 中国矿业大学 | Simulation experiment platform of compacting system of solid-filling coal mining solid material |
| CN104374596A (en) * | 2014-11-27 | 2015-02-25 | 山东科技大学 | Test bed for measuring compaction characteristics of coal seam roof caving natural renewal |
| CN105044305A (en) * | 2015-06-25 | 2015-11-11 | 中国矿业大学(北京) | Experimental device for forecasting overlying strata breakage of coal mine |
| CN107328385A (en) * | 2017-08-15 | 2017-11-07 | 山东科技大学 | Goaf roof and floor deformation and obturation stress monitoring integrated apparatus and method |
-
2012
- 2012-12-10 CN CN 201220675408 patent/CN202947930U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018105A (en) * | 2012-12-10 | 2013-04-03 | 中国矿业大学 | Simulation experiment platform of compacting system of solid-filling coal mining solid material |
| CN104374596A (en) * | 2014-11-27 | 2015-02-25 | 山东科技大学 | Test bed for measuring compaction characteristics of coal seam roof caving natural renewal |
| CN104374596B (en) * | 2014-11-27 | 2017-06-16 | 山东科技大学 | A kind of roof is caving Natural re generation compactingproperties determination test platform application method |
| CN105044305A (en) * | 2015-06-25 | 2015-11-11 | 中国矿业大学(北京) | Experimental device for forecasting overlying strata breakage of coal mine |
| CN107328385A (en) * | 2017-08-15 | 2017-11-07 | 山东科技大学 | Goaf roof and floor deformation and obturation stress monitoring integrated apparatus and method |
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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 |
Granted publication date: 20130522 Termination date: 20151210 |
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| EXPY | Termination of patent right or utility model |