CN204536174U - Fragmented rock body compacting and seepage characteristic experimental apparatus for research - Google Patents
Fragmented rock body compacting and seepage characteristic experimental apparatus for research Download PDFInfo
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- CN204536174U CN204536174U CN201520146076.5U CN201520146076U CN204536174U CN 204536174 U CN204536174 U CN 204536174U CN 201520146076 U CN201520146076 U CN 201520146076U CN 204536174 U CN204536174 U CN 204536174U
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Abstract
The utility model discloses a kind of fragmented rock body compacting and seepage characteristic experimental apparatus for research, the cylinder body comprising support and install within it, piston is provided with successively from top to bottom in cylinder body, Gas-Liquid Dispersion plate and gas-liquid collecting board, the cavity formed between Gas-Liquid Dispersion plate and gas and liquid collecting plate is fragmented rock body placed cavity, bottom fragmented rock body placed cavity, pressure transducer is installed, piston is provided with displacement transducer, anchor rod drawing instrument is provided with above piston, liquid dispersion box is connected with gas transfer pipeline and liquid transmission pipeline, gas transfer pipeline comprises gas pipeline, gas open-close valve and gas feed flow meter, liquid transmission pipeline comprises fluid pipeline, liquid switch valve and Liquid transfer flowmeter, gas and liquid collecting plate is connected with gas collection pipeline and liquid collection pipeline, gas collection pipeline comprises escape pipe and gas collection flowmeter.The utility model power loads simple, and dynamical stability, accurately can control the flow of gas and liquid, can add gas carrier and liquid.
Description
Technical field
The utility model relates to a kind of experimental provision, especially relates to a kind of fragmented rock body compacting and seepage characteristic experimental apparatus for research.
Background technology
Fragmented rock body in engineering is broadly divided into two classes: a class is the original position fragmented rock body being still in origin-location after being constructed and adopt action fragmentation, as the relaxation zone rock mass etc. of surrounding after fault belt, roadway excavation; Another kind of is broken inbreak can the accumulation fragmented rock body of compacting again under High Pressure because of engineering excavation, as the disrumpent feelings overlying strata rock mass in goaf in mining.Compared with complete, fine and close rock mass, a large amount of cavity, absciss layer, crack is left in fragmented rock body, space is left to the gathering of the harmful gas such as water body, gas, there is disguised strong, the regular difference of spatial distribution characteristic, be difficult to the feature predicted, therefore the serious disasters and accidents caused because of seepage flow in rock engineering mostly occur in fragmented rock body.Therefore, the seepage flow studying fragmented rock body has important engineering significance.At present, the form that China's goaf problem faces is very severe, such as: Shanxi is because of coal mining formation 20,000 square kilometres of goafs, be equivalent to the area in Shanxi 1/8, the annual exploitation of China about 5,000,000,000 tons of ores, some places are negligent of backfill and are administered dead zone enlarged areas, and town is converted because of excavation collapse 1700 mu of land subsidences more than 1000 mu in Xiaoyi City, the resettlement of whole mountain village.
In gangue filling mining process, the compaction capacity of filling object has very important impact to filling effect.Not only require that obturation has certain densification degree, also need the compress variation controlling obturation simultaneously, therefore to the mensuration of the mechanics parameter of obturation, for engineering site provides necessary gross data, tool is of great significance.Moreover, in the process of large-inclination-angle coal bed mining, the workplace next stage be positioned on workplace vergence direction has gangue filling effect, in order to accurately calculate this stage amount of crushing, the limited span of Roof Breaking, is of great significance the mensuration tool of the force parameter such as compression, infiltration of filling gangue.
Traditional fragmented rock body compacting and seepage characteristic experimental apparatus for research have power and load trouble, dynamic instability, baroque feature, and liquid, gas flow can not accurately control, and not only can not add gas carrier but also load liquid.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of fragmented rock body compacting and seepage characteristic experimental apparatus for research are provided, its structure is simple, reasonable in design and easy to assembly, power loads simple, dynamical stability, accurately can control the flow of gas and liquid, can gas carrier be added, can liquid be loaded again.
For achieving the above object, the technical solution adopted in the utility model is: a kind of fragmented rock body compacting and seepage characteristic experimental apparatus for research, it is characterized in that: comprise support and be arranged on the cylinder body in support, piston is disposed with from top to bottom in described cylinder body, Gas-Liquid Dispersion plate and gas-liquid collecting board, the cavity formed between described Gas-Liquid Dispersion plate and gas and liquid collecting plate is fragmented rock body placed cavity, the bottom of described fragmented rock body placed cavity is provided with the pressure transducer for measuring fragmented rock body pressure, described piston is provided with the displacement transducer for measuring its displacement, the top of described piston is provided with anchor rod drawing instrument, described Gas-Liquid Dispersion plate is connected with gas transfer pipeline and liquid transmission pipeline and the uniform liquid of gas gas transfer pipeline can carried and liquid transmission pipeline conveying be dispersed in described fragmented rock body placed cavity, described gas transfer pipeline comprises gas pipeline, gas open-close valve and gas feed flow meter, described gas open-close valve and gas feed flow meter are installed in the inlet end place of gas pipeline, described liquid transmission pipeline comprises fluid pipeline, liquid switch valve and Liquid transfer flowmeter, described liquid switch valve and Liquid transfer flowmeter are installed in the liquid feeding end place of fluid pipeline, the outlet side of described gas pipeline and the outlet end of fluid pipeline are all connected with the top of Gas-Liquid Dispersion plate through piston, described gas and liquid collecting plate is connected with gas collection pipeline and liquid collection pipeline and the gas that seepage flow can be got off and liquid collection, described gas collection pipeline comprises escape pipe and is arranged on the gas collection flowmeter on escape pipe, described liquid collection pipeline comprises drain pipe and is arranged on the liquid collection flowmeter on drain pipe, the inlet end of described escape pipe passes cylinder body and is connected with the top of gas and liquid collecting plate, the liquid feeding end of described drain pipe passes cylinder body and is connected with the bottom of gas and liquid collecting plate.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, is characterized in that: described anchor rod drawing instrument is detachably arranged on the top of support, and described anchor rod drawing instrument is positioned at directly over piston.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, it is characterized in that: described Gas-Liquid Dispersion plate comprises dispersion box body and is fixed on the first boss in dispersion box body, described first boss has multiple first horizontal through hole, the top of described dispersion box body has gas feed and liquid-inlet, the bottom even of described dispersion box body has multiple gas liquid outlet, described gas feed is connected with the outlet side of gas pipeline, and described liquid-inlet is connected with the outlet end of fluid pipeline.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, it is characterized in that: described gas and liquid collecting plate comprises to be collected box body and is fixed on the second boss collected in box body, described second boss has multiple second horizontal through hole, the top of described collection box body evenly has multiple gas-liquid import, the top of described collection box body has gas vent, the bottom of described collection box body has liquid outlet, described gas vent is connected with the inlet end of escape pipe, and described liquid outlet is connected with the liquid feeding end of drain pipe.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, is characterized in that: described cylinder body is mounted by means of bolts in support.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, is characterized in that: be provided with O-ring seal between described piston and cylinder body.
Above-mentioned fragmented rock body compacting and seepage characteristic experimental apparatus for research, it is characterized in that: the quantity of described pressure transducer is three, one of them pressure transducer is arranged on the place of bottom centre of described fragmented rock body placed cavity, and another two pressure transducers are symmetricly set on the two bottom sides of described fragmented rock body placed cavity.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design and easy to assembly.
2, the utility model provides power to carry out power loading to fragmented rock body by anchor rod drawing instrument, and power loads simple, dynamical stability, in power loading procedure, by reading the digital display manometer on anchor rod drawing instrument, thus can accomplish accurately to load power.
3, the uniform liquid of the gas carried by gas transfer pipeline by Gas-Liquid Dispersion plate of the utility model and liquid transmission pipeline conveying is dispersed in fragmented rock body placed cavity, to carry out the simulation under gas, liquid coupling condition to fragmented rock body, thus measure the gas of fragmented rock body under coupling condition and the permeability of liquid.
4, the utility model inputted by gas and collect flow difference, liquid input and collect flow difference and gas, liquid flow situation over time, just can obtain the seepage flow situation of fragmented rock body gas, liquid in different compactness situation, and then provide necessary gross data for engineering site.
5, the utility model accurately can control the flow of gas and liquid, can add gas carrier, can load liquid again.
6, the utility model is simple to operate, easy to maintenance, low cost of manufacture.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model Gas-Liquid Dispersion plate.
Fig. 3 is the structural representation of the utility model gas and liquid collecting plate.
Description of reference numerals:
1-anchor rod drawing instrument; 2-gas feed flow meter; 3-gas open-close valve;
4-displacement transducer; 5-support; 6-gas pipeline;
7-pressure transducer; 8-cylinder body; 9-gas and liquid collecting plate;
9-1-collection box body; 9-2-gas-liquid import; 9-3-gas vent;
9-5-the second boss 13-6-the second horizontal through hole; 9-4-liquid outlet;
10-1-escape pipe; 10-2-gas collection flowmeter; 11-1-drain pipe;
11-2-liquid collection flowmeter; 12-bolt; 13-Gas-Liquid Dispersion plate;
13-1-dispersion box body; 13-2-gas feed; 13-3-liquid-inlet;
13-4-gas liquid outlet; 13-5-the first boss; 13-6-the first horizontal through hole;
18-fluid pipeline; 19-liquid switch valve; 20-Liquid transfer flowmeter;
21-piston; 22-O-ring seal.
Embodiment
As shown in Figure 1, the cylinder body 8 that the utility model comprises support 5 and is arranged in support 5, piston 21 is disposed with from top to bottom in described cylinder body 8, Gas-Liquid Dispersion plate 13 and gas-liquid collecting board 9, the cavity formed between described Gas-Liquid Dispersion plate 13 and gas and liquid collecting plate 9 is fragmented rock body placed cavity, the bottom of described fragmented rock body placed cavity is provided with the pressure transducer 7 for measuring fragmented rock body pressure, described piston 21 is provided with the displacement transducer 4 for measuring its displacement, the top of described piston 21 is provided with anchor rod drawing instrument 1, described Gas-Liquid Dispersion plate 13 is connected with gas transfer pipeline and liquid transmission pipeline and the uniform liquid of gas gas transfer pipeline can carried and liquid transmission pipeline conveying be dispersed in described fragmented rock body placed cavity, described gas transfer pipeline comprises gas pipeline 6, gas open-close valve 3 and gas feed flow meter 2, described gas open-close valve 3 and gas feed flow meter 2 are installed in the inlet end place of gas pipeline 6, described liquid transmission pipeline comprises fluid pipeline 18, liquid switch valve 19 and Liquid transfer flowmeter 20, described liquid switch valve 19 and Liquid transfer flowmeter 20 are installed in the liquid feeding end place of fluid pipeline 18, the outlet side of described gas pipeline 6 and the outlet end of fluid pipeline 18 are all connected with the top of Gas-Liquid Dispersion plate 13 through piston 21, described gas and liquid collecting plate 9 is connected with gas collection pipeline and liquid collection pipeline and the gas that seepage flow can be got off and liquid collection, described gas collection pipeline comprises escape pipe 10-1 and is arranged on the gas collection flowmeter 10-2 on escape pipe 10-1, described liquid collection pipeline comprises drain pipe 11-1 and is arranged on the liquid collection flowmeter 11-2 on drain pipe 11-1, the inlet end of described escape pipe 10-1 passes cylinder body 8 and is connected with the top of gas and liquid collecting plate 9, the liquid feeding end of described drain pipe 11-1 passes cylinder body 8 and is connected with the bottom of gas and liquid collecting plate 9.
As shown in Figure 1, described anchor rod drawing instrument 1 is detachably arranged on the top of support 5, easy to use; Described anchor rod drawing instrument 1 is positioned at directly over piston 21, can guarantee like this to apply even load to fragmented rock body.
As shown in Figure 2, described Gas-Liquid Dispersion plate 13 comprises dispersion box body 13-1, the top of described dispersion box body 13-1 has gas feed 13-2 and liquid-inlet 13-3, the bottom even of described dispersion box body 13-1 has multiple gas liquid outlet 13-4, described gas feed 13-2 is connected with the outlet side of gas pipeline 6, and described liquid-inlet 13-3 is connected with the outlet end of fluid pipeline 18.During use, the gas entered through gas feed 13-2 and the liquid entered through liquid-inlet 13-3 mix in dispersion box body 13-1, discharge enter fragmented rock body after mixing from gas liquid outlet 13-4.
As shown in Figure 3, described gas and liquid collecting plate 9 comprises collects box body 9-1, the top of described collection box body 9-1 evenly has multiple gas-liquid import 9-2, the top of described collection box body 9-1 has gas vent 9-3, the bottom of described collection box body 9-1 has liquid outlet 9-4, described gas vent 9-3 is connected with the inlet end of escape pipe 10-1, and described liquid outlet 9-4 is connected with the liquid feeding end of drain pipe 11-1.During use, gas and liquid collecting plate 9 is by the gas that enters through gas-liquid import 9-2 and liquid collection, and collected gas is discharged through gas vent 9-3, and collected liquid is discharged through liquid outlet 9-4.
As shown in Figure 1, described cylinder body 8 is fixedly mounted in support 5 by bolt 12, easy for installation, fixing reliable.
As shown in Figure 1, be provided with O-ring seal 22, good airproof performance between described piston 21 and cylinder body 8, the accuracy of experimental result can be guaranteed.
Principle of work of the present utility model is: during use, ready fragmented rock body is loaded in cylinder body 8, then successively Gas-Liquid Dispersion plate 13 and piston 21 are put into cylinder body 8, power is provided to carry out power loading to fragmented rock body by anchor rod drawing instrument 1, gas carried by air shooter road direction Gas-Liquid Dispersion plate 13, liquid carried by liquid delivery tube road direction Gas-Liquid Dispersion plate 13, the uniform liquid of the gas that gas transfer pipeline is carried by Gas-Liquid Dispersion plate 13 and liquid transmission pipeline conveying is dispersed in fragmented rock body placed cavity, to carry out gas to fragmented rock body, simulation under liquid coupling condition, thus the permeability of the gas measured under fragmented rock body coupling condition and liquid.In fragmented rock body compacting process, by reading the digital display manometer on anchor rod drawing instrument 1, thus can accomplish accurately to load power; The displacement of piston 21 is measured by displacement transducer 4, the pressure suffered by fragmented rock body is measured by pressure transducer 7, by gas feed flow meter 2 measurement gas operational throughput, by gas collection flowmeter 10-2 measurement gas collecting amount, measure liquid-conveying amount by Liquid transfer flowmeter 20, measure amount of liquid collected by liquid collection flowmeter 11-2.The displacement of the piston 21 measured by displacement transducer 4 and the pressure suffered by fragmented rock body measured by pressure transducer 7, can obtain the relation of fragmented rock body ess-strain in compacting process; The flow difference inputted by gas and collect, liquid input and collect flow difference and gas, liquid flow situation over time, just can obtain the seepage flow situation of fragmented rock body gas, liquid in different compactness situation, and then provide necessary gross data for engineering site.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a fragmented rock body compacting and seepage characteristic experimental apparatus for research, it is characterized in that: comprise support (5) and be arranged on the cylinder body (8) in support (5), piston (21) is disposed with from top to bottom in described cylinder body (8), Gas-Liquid Dispersion plate (13) and gas-liquid collecting board (9), the cavity formed between described Gas-Liquid Dispersion plate (13) and gas and liquid collecting plate (9) is fragmented rock body placed cavity, the bottom of described fragmented rock body placed cavity is provided with the pressure transducer (7) for measuring fragmented rock body pressure, described piston (21) is provided with the displacement transducer (4) for measuring its displacement, the top of described piston (21) is provided with anchor rod drawing instrument (1), described Gas-Liquid Dispersion plate (13) is connected with gas transfer pipeline and liquid transmission pipeline and the uniform liquid of gas gas transfer pipeline can carried and liquid transmission pipeline conveying be dispersed in described fragmented rock body placed cavity, described gas transfer pipeline comprises gas pipeline (6), gas open-close valve (3) and gas feed flow meter (2), described gas open-close valve (3) and gas feed flow meter (2) are installed in the inlet end place of gas pipeline (6), described liquid transmission pipeline comprises fluid pipeline (18), liquid switch valve (19) and Liquid transfer flowmeter (20), described liquid switch valve (19) and Liquid transfer flowmeter (20) are installed in the liquid feeding end place of fluid pipeline (18), the outlet side of described gas pipeline (6) and the outlet end of fluid pipeline (18) are all connected with the top of Gas-Liquid Dispersion plate (13) through piston (21), described gas and liquid collecting plate (9) is connected with gas collection pipeline and liquid collection pipeline and the gas that seepage flow can be got off and liquid collection, described gas collection pipeline comprises escape pipe (10-1) and is arranged on the gas collection flowmeter (10-2) on escape pipe (10-1), described liquid collection pipeline comprises drain pipe (11-1) and is arranged on the liquid collection flowmeter (11-2) on drain pipe (11-1), the inlet end of described escape pipe (10-1) passes cylinder body (8) and is connected with the top of gas and liquid collecting plate (9), the liquid feeding end of described drain pipe (11-1) passes cylinder body (8) and is connected with the bottom of gas and liquid collecting plate (9).
2. according to fragmented rock body compacting according to claim 1 and seepage characteristic experimental apparatus for research, it is characterized in that: described anchor rod drawing instrument (1) is detachably arranged on the top of support (5), described anchor rod drawing instrument (1) is positioned at directly over piston (21).
3. according to the fragmented rock body compacting described in claim 1 or 2 and seepage characteristic experimental apparatus for research, it is characterized in that: the first boss (13-5) that described Gas-Liquid Dispersion plate (13) comprises dispersion box body (13-1) and is fixed in dispersion box body (13-1), described first boss (13-5) has multiple first horizontal through hole (13-6), the top of described dispersion box body (13-1) has gas feed (13-2) and liquid-inlet (13-3), the bottom even of described dispersion box body (13-1) has multiple gas liquid outlet (13-4), described gas feed (13-2) is connected with the outlet side of gas pipeline (6), described liquid-inlet (13-3) is connected with the outlet end of fluid pipeline (18).
4. according to the fragmented rock body compacting described in claim 1 or 2 and seepage characteristic experimental apparatus for research, it is characterized in that: described gas and liquid collecting plate (9) comprises collects box body (9-1) and is fixed on the second boss (9-5) collected in box body (9-1), described second boss (9-5) has multiple second horizontal through hole (13-6), the top of described collection box body (9-1) evenly has multiple gas-liquid import (9-2), the top of described collection box body (9-1) has gas vent (9-3), the bottom of described collection box body (9-1) has liquid outlet (9-4), described gas vent (9-3) is connected with the inlet end of escape pipe (10-1), described liquid outlet (9-4) is connected with the liquid feeding end of drain pipe (11-1).
5. according to the fragmented rock body compacting described in claim 1 or 2 and seepage characteristic experimental apparatus for research, it is characterized in that: described cylinder body (8) is fixedly mounted in support (5) by bolt (12).
6. according to the fragmented rock body compacting described in claim 1 or 2 and seepage characteristic experimental apparatus for research, it is characterized in that: between described piston (21) and cylinder body (8), be provided with O-ring seal (22).
7. according to the fragmented rock body compacting described in claim 1 or 2 and seepage characteristic experimental apparatus for research, it is characterized in that: the quantity of described pressure transducer (7) is three, one of them pressure transducer (7) is arranged on the place of bottom centre of described fragmented rock body placed cavity, and another two pressure transducers (7) are symmetricly set on the two bottom sides of described fragmented rock body placed cavity.
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| CN201520146076.5U CN204536174U (en) | 2015-03-13 | 2015-03-13 | Fragmented rock body compacting and seepage characteristic experimental apparatus for research |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891082A (en) * | 2015-12-19 | 2016-08-24 | 湖南科技大学 | Rock permeability coefficient detection device and method |
| CN106018110A (en) * | 2016-07-05 | 2016-10-12 | 辽宁工程技术大学 | Testing device for gas-liquid cooperative seepage-stress coupling |
| CN109201174A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | A kind of detection method, adjusting method and coal pulverizer that coal crushes |
| CN109201175A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | Coal pulverizer |
| CN111189754A (en) * | 2020-01-07 | 2020-05-22 | 重庆大学 | Device for testing permeability parameters of broken rock |
| WO2020133729A1 (en) * | 2018-12-29 | 2020-07-02 | 四川大学 | Method and system for in-situ test of mechanical behaviors and seepage characteristics of coal rock mass under influence of real mining induced stress |
-
2015
- 2015-03-13 CN CN201520146076.5U patent/CN204536174U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891082A (en) * | 2015-12-19 | 2016-08-24 | 湖南科技大学 | Rock permeability coefficient detection device and method |
| CN105891082B (en) * | 2015-12-19 | 2019-07-26 | 湖南科技大学 | A kind of rock permeability coefficient detection device and method |
| CN106018110A (en) * | 2016-07-05 | 2016-10-12 | 辽宁工程技术大学 | Testing device for gas-liquid cooperative seepage-stress coupling |
| CN106018110B (en) * | 2016-07-05 | 2019-05-31 | 辽宁工程技术大学 | A kind of experimental rig of gas-liquid collaboration seepage-pipe coupling model |
| CN109201174A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | A kind of detection method, adjusting method and coal pulverizer that coal crushes |
| CN109201175A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | Coal pulverizer |
| CN109201175B (en) * | 2018-09-16 | 2020-11-24 | 义乌市添诚科技有限公司 | Coal pulverizer |
| WO2020133729A1 (en) * | 2018-12-29 | 2020-07-02 | 四川大学 | Method and system for in-situ test of mechanical behaviors and seepage characteristics of coal rock mass under influence of real mining induced stress |
| CN111189754A (en) * | 2020-01-07 | 2020-05-22 | 重庆大学 | Device for testing permeability parameters of broken rock |
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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: 20150805 Termination date: 20160313 |
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