CN103018105B - Simulation experiment platform of compacting system of solid-filling coal mining solid material - Google Patents
Simulation experiment platform of compacting system of solid-filling coal mining solid material Download PDFInfo
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- CN103018105B CN103018105B CN201210527053.XA CN201210527053A CN103018105B CN 103018105 B CN103018105 B CN 103018105B CN 201210527053 A CN201210527053 A CN 201210527053A CN 103018105 B CN103018105 B CN 103018105B
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- rammer compacter
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- 239000011343 solid material Substances 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000004088 simulation Methods 0.000 title claims abstract description 14
- 238000005065 mining Methods 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 16
- 230000008602 contraction Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The invention relates to a simulation experiment platform of a compacting system of a solid-filling coal mining solid material, which mainly consists of a power supply system, a compacting system, a loading system, a data collecting and processing system, a base and a box frame. The systems are sequentially matched to realize simulation of cut and fill field, filling and compacting process of the solid material in solid cut and fill technology can be realized in a laboratory, and associated parameters are obtained through the data collecting and processing system. The compacting system of the platform can realize the compacting force of 2MPa, the loading system can realize the loading pressure of 10MPa maximally. The loading pressure can be continuously constant or alternately loads. The experiment device can measure the stress-strain characteristics of same filling material under different loading pressures, the stress-strain characteristics of different filling materials under same loading pressure, and the creep property of a special filling material under continuous constant pressure in real time. The platform is simple in structure and easy to operate, and is an important platform for mechanical property of an evolutive theoretic research of the solid filling material under a special loaded condition in the solid filling coal mining technology.
Description
Technical field
The present invention relates to solid filling coal mining solid material debulking systems simulation experiment platform, be particularly useful for simulating the filling compacting of solid material and the solid material deformation experiment under fixing or alternate load.
Background technology
Solid filling production technique at liberation " three times " pressure coal, control subsidence, reclaim the pillars of a house, liberate dull coal resources etc. in there is good technical advantage, economic benefit and social benefit; Along with solid filling production technique is ripe day by day, in the process applied, some problems are also highlighted; On the one hand, in industrial practice, some filling parameters are all empirical parameters, and can not by experiment room experiment method simulate relevant filling parameters, thus, the predictable difference of filling effect, can not predict in different geological conditions retrofilling recovery process may produced problem simultaneously; On the other hand, once after solid filling exploitation implemented by stope, superincumbent stratum and surface movement sinking control effects will be decided by obturation, and can not artificially intervention initiatively control, and this brings difficulty with regard to the optimization for filling parameters.
Summary of the invention
Technical matters: the object of the invention is for Problems existing in prior art, provides a kind of compact conformation, easy to operate solid filling coal mining solid material debulking systems simulation experiment platform.
Technical scheme: solid filling coal mining solid material debulking systems simulation experiment platform of the present invention, comprises 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 compacting system is fixed on the base of framework box body side; Described power generating system comprises control box and supplies the oil pump of oil pressure respectively to loading system and compacting system;
Described compacting system comprises L-shaped rammer compacter holder, rammer compacter holder is provided with moveable rammer compacter base, the turning of rammer compacter base is hinged with rammer compacter, the upper articulation of rammer compacter base has balance arm oil cylinder, the expansion link hinge joint of balance arm oil cylinder, on rammer compacter, is passed through by the swinging up and down of extension and contraction control rammer compacter of balance arm oil cylinder; Described box frame is provided with the connecting rail of rammer compacter base movement;
Described loading system includes pressing machine, be located at the loading seat be positioned at below pressing machine on box frame, load on seat and be evenly arranged many groups load cylinder that on-load pressure is 0 ~ 3.3MPa, many group load cylinders are provided with the loading cylinder holder accepting oil cylinder of press machine;
Described many groups load cylinder is 2-4 group, and often organizing load cylinder is four; Before and after described box frame top, interval, both sides is welded with drag link bearing, and drag link bearing is fixed with pull bar; Described rammer compacter is the two grade thrust rammer compacter that pressure can reach 2MPa.
Beneficial effect: the present invention can realize the filling compacting process of solid material in solid filling production technique in laboratory, can record stress-strain characteristics under the stress-strain characteristics of compaction material of the same race under different on-load pressure, the identical on-load pressure of different compaction material and the creep properties of specific attal under continued for constant pressure according to different needs.And obtain correlation parameter by data acquisition processing system.Under the on-load pressure of 0 ~ 3.3MPa that often organizing load cylinder provides can simulate 100 ~ 600m Conditions of Buried Depth, superincumbent stratum is to the pressure of obturation, and on-load pressure can continuous and constant pressure or Study of Cyclic Loading.By to the filling of solid filling material compacting process experiment room simulation, on the one hand can the correlation parameter of Optimization Packing system; On the other hand can by detecting the parameter prediction filling effects such as packing, obturation stress, roof-to-floor convergence; 3rd, by technological parameters such as adjustment 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 building high-yield and high-efficiency, and engineering effort is remarkable.Its structure is simple, easy to operate, and simulate effect is good.
Accompanying drawing explanation
Fig. 1 is solid filling coal mining solid material debulking systems simulation experiment platform structural representation of the present invention;
Fig. 2 is that the present invention tamps system architecture schematic diagram front elevation;
Fig. 3 is that the present invention tamps system architecture schematic diagram vertical view;
Fig. 4 is loading system structural representation of the present invention;
Fig. 5 is press structure schematic diagram front elevation of the present invention;
Fig. 6 is box frame construction schematic diagram vertical view of the present invention;
Fig. 7 is box frame construction schematic diagram front elevation of the present invention;
Fig. 8 is that load cylinder of the present invention arranges schematic diagram front elevation;
Fig. 9 is that load cylinder of the present invention arranges schematic diagram vertical view;
Figure 10 is rammer compacter structural representation of the present invention.
In figure: 1-rammer compacter, 2-balance arm oil cylinder, 3-rammer compacter holder, 4-rammer compacter base, 5-connecting rail, 6-one-level compacting oil cylinder, 7-secondary compacting oil cylinder, 8-pressing machine, 9-oil cylinder of press machine, 10-pressing machine column, 11-loads cylinder holder, and 12-loads cylinder fixed head, 13-load cylinder, 14-loads seat, 15-press base, 16-top board, 17-obturation, 18-box frame, 19-drag link bearing, 20-pull bar, 21-base.
Embodiment:
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, solid filling coal mining solid material debulking systems simulation experiment platform of the present invention, form primarily of 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 compacting system is fixed on the base 21 of framework box body 18 side; Described power generating system comprises control box and supplies the oil pump of oil pressure respectively to loading system and compacting system; By hydraulic power unit source of supply power, oil cylinder of press machine 9 in hydraulic power unit in a road direction loading system, load cylinder 13 provide oil pressure, load cylinder 13 is 2-3 group, and often organize load cylinder 13 and load seat 14 pass through pinned connection with one, every group oil cylinder can load separately; Another road, for tamping system, comprises one-level compacting oil cylinder 6, secondary compacting oil cylinder 7 and balance arm oil cylinder 2.
As shown in Figures 2 and 3, described compacting system is primarily of rammer compacter 1, balance arm oil cylinder 2 and rammer compacter holder 3 are formed, rammer compacter holder 3 is L-shaped, rammer compacter holder 3 is provided with moveable 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, and the expansion link hinge joint of balance arm oil cylinder 2, on rammer compacter 1, is passed through by the swinging up and down of extension and contraction control rammer compacter 1 of balance arm oil cylinder 2, described box frame 18 is provided with the connecting rail 5 of rammer compacter base 4 movement, rammer compacter 1 and rammer compacter base 4 pass through pinned connection, rotate centered by the bearing pin of rammer compacter 1 on rammer compacter base 4, balance arm oil cylinder 2 one end and rammer compacter holder 3 pass through pinned connection, the other end and rammer compacter 1 pass through pinned connection, balance arm oil cylinder 2 two ends all can be rotated centered by bearing pin, swinging up and down of rammer compacter 1 is controlled by the flexible of balance arm oil cylinder 2, balance arm oil cylinder 2 stretches out rammer compacter 1 can be made to put to horizontal level completely, rammer compacter 1 can be made to arrive box frame 18 during whole withdrawal suitable for reading, rammer compacter 1 stretch out completely and horizontal positioned time and box frame 18 on the right side of the distance of inwall be 10 ~ 20cm, rammer compacter 1 shrink completely and horizontal positioned time and box frame 18 on the left of extended distance be 20 ~ 40cm, rammer compacter holder 3 bottom is 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 the loading seat 14 be positioned at below pressing machine 8 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, often organizing load cylinder is four, three groups of load cylinders 13 are secured by bolts in and load on cylinder fixed head 12, load cylinder fixed head 12 to be connected with the Baltimore groove loading cylinder holder 11 bottom by bolt, often organize load cylinder 13 lower end and load seat 14 by pinned connection one.
As shown in Figure 5, pressing machine 8 entirety is a rigid structure, oil cylinder of press machine 9 can drive loading cylinder holder 11 to move up and down and load, four pressing machine columns 10 ensure that pressing machine 8 general frame is a rigid structure, and the pressure that oil cylinder of press machine 9 is produced 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 before and after box frame 18 top, symmetria bilateralis is welded with on four drag link bearings, 19, four drag link bearings 19 and is fixed with two pull bars 20, to limit box frame 18 distortion that top produces when stressed.
Described data acquisition processing system comprises the stress monitoring instrument being located at obturation inside, the amount of the shifting near monitor be located in roof and floor, compacting power monitor, secondary load system pressure monitor and the computing machine be located on rammer compacter 1.
Principle of work: box frame 18 is fixed on press base 15, ensure that box frame 18 can not produce displacement because of the thrust of rammer compacter 1, first load cylinder 13 is regained completely, oil cylinder of press machine 9 is advanced until load lock pressure Oil cylinder 9 when seat 14 bottom flushes with the upper opening of box frame 18 downwards, ensure that oil cylinder of press machine 9 can not move in rated pressure, dismantle top board 16 and carry out material loading, then by compacting system, obturation 17 is tamped, and then carry out material loading, so repeatedly until position on the right side of the top board 16 of the abundant contact box frame 18 of obturation 17 time top board 16 is installed, then material loading afterwards, until obturation 17 overflows box frame 18, now rammer compacter 1 and balance arm oil cylinder 2 are regained and obturation 17 presses close to rammer compacter 1 completely all completely, load cylinder 13 loads on demand in units of group.
Claims (4)
1. a solid filling coal mining solid material debulking systems simulation experiment platform, comprises data acquisition processing system, power generating system, compacting system, loading system, base (21) and box frame (18); It is characterized in that: described loading system is located on box frame (18), compacting system is fixed on the base (21) of box frame (18) side; Described power generating system comprises control box and supplies the oil pump of oil pressure respectively to loading system and compacting system; By hydraulic power unit source of supply power, oil cylinder of press machine (9) in hydraulic power unit in a road direction loading system, load cylinder (13) provide oil pressure, load cylinder (13) is many groups, often organize load cylinder (13) and load seat (14) by pinned connection with one, every group oil cylinder can load separately; Another road, for tamping system, comprises one-level compacting oil cylinder (6), secondary compacting oil cylinder (7) and balance arm oil cylinder (2);
Described compacting system comprises L-shaped rammer compacter holder (3), rammer compacter holder (3) is provided with moveable 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 expansion link hinge joint of balance arm oil cylinder (2), on rammer compacter (1), is passed through by the swinging up and down of extension and contraction control rammer compacter (1) of balance arm oil cylinder (2), described box frame (18) is provided with the connecting rail (5) of rammer compacter base (4) movement, rammer compacter (1) and rammer compacter base (4) pass through pinned connection, rotate centered by the bearing pin of rammer compacter (1) on rammer compacter base (4), balance arm oil cylinder (2) one end and rammer compacter holder (3) pass through pinned connection, the other end and rammer compacter (1) pass through pinned connection, balance arm oil cylinder (2) two ends are all rotated centered by bearing pin, swinging up and down of rammer compacter (1) is controlled by the flexible of balance arm oil cylinder (2), balance arm oil cylinder (2) stretches out completely and rammer compacter (1) is put to horizontal level, rammer compacter (1) is made to arrive box frame (18) during whole withdrawal suitable for reading, rammer compacter (1) stretch out completely and horizontal positioned time with box frame (18) on the right side of the distance of inwall be 10 ~ 20cm, rammer compacter (1) shrink completely and horizontal positioned time with box frame (18) on the left of extended distance be 20 ~ 40cm, rammer compacter holder (3) bottom is fixed on base (21), rammer compacter holder (3) is connected by connecting rail (5) with press base (15),
Described data acquisition processing system comprises the stress monitoring instrument being located at obturation inside, the amount of the shifting near monitor be located in roof and floor, compacting power monitor, secondary load system pressure monitor and the computing machine be located on rammer compacter (1);
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) accepting oil cylinder of press machine (9); Many groups load cylinder 13 is secured by bolts in and loads on cylinder fixed head (12), load cylinder fixed head (12) to be connected with the Baltimore groove loading cylinder holder (11) bottom by bolt, often organize load cylinder (13) lower end and load seat (14) by pinned connection one;
Pressing machine (8) entirety is a rigid structure, oil cylinder of press machine (9) drives loading cylinder holder (11) to move up and down and loads, four pressing machine columns (10) ensure that pressing machine (8) general frame is a rigid structure, and the pressure that oil cylinder of press machine (9) is produced is converted to the internal force of pressing machine (8) self;
Box frame (18) is cast structure, before and after box frame (18) top, symmetria bilateralis is welded with four drag link bearings (19), four drag link bearings (19) are fixed with two pull bars (20), to limit box frame (18) distortion that top produces when stressed;
Box frame (18) is fixed on press base (15), ensure that box frame (18) can not produce displacement because of the thrust of rammer compacter (1), first load cylinder (13) is regained completely, oil cylinder of press machine (9) is advanced until load lock pressure Oil cylinder (9) when seat (14) bottom flushes with the upper opening of box frame (18) downwards, ensure that oil cylinder of press machine (9) can not move in rated pressure, dismantle top board (16) and carry out material loading, then by compacting system, obturation (17) is tamped, carry out material loading more afterwards, so repeatedly until when obturation (17) fully contacts the position on top board (16) right side of box frame (18), then then material loading, until obturation (17) overflows box frame (18), now rammer compacter (1) and balance arm oil cylinder (2) are regained and obturation (17) has pressed close to rammer compacter (1) completely all completely, load cylinder (13) loads on demand in units of group.
2. solid filling coal mining solid material debulking systems simulation experiment platform according to claim 1, is characterized in that: described many groups load cylinder (13) is 2-4 group, and often organizing 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: before and after described box frame (18) top, interval, both sides is welded with drag link bearing (19), drag link bearing (19) is fixed with pull bar (20).
4. solid filling coal mining solid material debulking systems simulation experiment platform according to claim 1, is characterized in that: described rammer compacter is the two grade thrust rammer compacter that pressure can reach 2MPa.
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| CN201210527053.XA CN103018105B (en) | 2012-12-10 | 2012-12-10 | Simulation experiment platform of compacting system of solid-filling coal mining solid material |
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| CN103902780B (en) * | 2014-04-08 | 2017-01-04 | 中国矿业大学 | Solid filling coal mining earth's surface Deformation prediction method |
| CN103983505B (en) * | 2014-05-21 | 2016-09-28 | 中国矿业大学 | Filler mechanical property testing auxiliary device |
| CN104266913B (en) * | 2014-10-10 | 2017-02-08 | 山东科技大学 | Mining failure simulation test device for mine working face floor |
| CN105910916B (en) * | 2016-05-18 | 2018-08-14 | 华北科技学院 | Gob side entry retaining roadside packing effect detection experimental provision |
| CN107328385B (en) * | 2017-08-15 | 2023-04-18 | 山东科技大学 | Goaf top and bottom plate deformation and filling body stress monitoring integrated device and method |
| CN109209492B (en) * | 2018-10-22 | 2023-08-04 | 河北工程大学 | Filling mining tamping simulation method |
| CN109883842A (en) * | 2019-01-02 | 2019-06-14 | 河北工程大学 | A kind of waste filling is system simulation test bed and waste filling analogy method |
| CN112213207B (en) * | 2020-10-15 | 2021-08-27 | 中国矿业大学 | Large visual direct shear experiment platform for solid filling materials |
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| CN101245706A (en) * | 2007-07-03 | 2008-08-20 | 中国矿业大学(北京) | Three-dimensional simulated experiment bench for coal and mash gas co-extraction |
| CN101377479A (en) * | 2008-09-25 | 2009-03-04 | 山东科技大学 | Stope mine pressing three-dimensional physical simulation test stand |
| CN101586460A (en) * | 2009-06-02 | 2009-11-25 | 中国矿业大学 | Coal mining solid filling method |
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| CN2861290Y (en) * | 2006-01-18 | 2007-01-24 | 厦工集团三明重型机器有限公司 | Lifting device for push-extend shovel of garbage compactor |
| CN201900727U (en) * | 2010-11-21 | 2011-07-20 | 宝钢集团新疆八一钢铁有限公司 | Improved press |
| CN102262148A (en) * | 2011-04-19 | 2011-11-30 | 中国矿业大学(北京) | Three-dimensional experiment platform for solid filling and mining of coal mine |
| CN102251790A (en) * | 2011-08-05 | 2011-11-23 | 中国矿业大学 | Mining and filling integrated hydraulic support enabling double top beams to be coaxially hinged with four connecting rods |
| CN202947930U (en) * | 2012-12-10 | 2013-05-22 | 中国矿业大学 | Simulation experiment platform of compacting system for solid filling coal mining solid materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245706A (en) * | 2007-07-03 | 2008-08-20 | 中国矿业大学(北京) | Three-dimensional simulated experiment bench for coal and mash gas co-extraction |
| CN101377479A (en) * | 2008-09-25 | 2009-03-04 | 山东科技大学 | Stope mine pressing three-dimensional physical simulation test stand |
| CN101586460A (en) * | 2009-06-02 | 2009-11-25 | 中国矿业大学 | Coal mining solid filling method |
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