CN201716221U - Grouting sample preparation device - Google Patents
Grouting sample preparation device Download PDFInfo
- Publication number
- CN201716221U CN201716221U CN2010202002850U CN201020200285U CN201716221U CN 201716221 U CN201716221 U CN 201716221U CN 2010202002850 U CN2010202002850 U CN 2010202002850U CN 201020200285 U CN201020200285 U CN 201020200285U CN 201716221 U CN201716221 U CN 201716221U
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- China
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- preparation device
- sample preparation
- slip casting
- grouting
- air pressure
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a grouting sample preparation device, which comprises an air compressor, a pneumatic grouting device and a sample preparation device, wherein, the pneumatic grouting device and the sample preparation device are respectively connected with the air compressor through a three-way pipeline; air pressure switch control valves and pressure valves are arranged on breathing lines, the pneumatic grouting device and the sample preparation device are connected with the air compressor through the breathing lines; the grout outlet of the pneumatic grouting device is connected with the grout inlet of the sample preparation device through a pipeline, and a switch control valve is arranged between the grout outlet and the grout inlet; the pneumatic grouting device comprises a pneumatic grouting tank, a barometer is arranged at the top of the pneumatic grouting tank, a liquid level indicator is arranged on the side surface of the pneumatic grouting tank, and a flow control valve is arranged at the bottom of the pneumatic grouting tank; in addition, the sample preparation device comprises a pressurizing cylinder, a hand-operated reversing valve and a soil sample preparation device, the pressurizing cylinder is arranged on a fixing bracket, the hand-operated reversing valve is connected with the pressurizing cylinder, and the soil sample preparation device is fixed in the fixing bracket. Samples are pressurized through a cylinder piston to simulate the process of the chemical grouting for soil layers in different depths in the field and prepare test samples required by a laboratory. The grouting sample preparation device has the advantages of reasonable structure, convenient disassembly and assembly, good sealing effect, intuition and convenient detection.
Description
Technical field
The utility model relates to a kind of slip casting specimen preparation device, is particularly useful for the actual chemical grouting process of laboratory simulation and carries out the necessary air pressure control slip casting test of tests such as Penetration Signature, micro-analysis under mechanical property, the high confining pressure under chemical grouting body physical property, the high confining pressure.
Background technology
In recent years, a plurality of pit shafts of the coal base that the many China in East China, North China and the Northwest are important have suffered serious failure by rupture and the prominent sand disaster of gushing water, and the tremendous economic loss to country causes tens billion of units forms major safety risks.The routed sand disaster of mine is the great geologic hazard in construction of coal mine and the production, grouting for water-blocking is the important behave and the effective way of mine water sand disaster prevention and improvement, but grout or cement water glass biliquid slurry short run effect when borehole wall EXIT POINT is broken in shutoff are apparent in view, long-term anti-seepage effect is poor, its reason is often to contain more powder and clay composition behind the wall in the soil layer, cement grout diffusivity extreme difference therein is difficult to form curtain, simultaneously for the borehole wall through repeating or repeatedly destroying, the higher grouting pressure of grout has also constituted serious threat to the safety and the stability of the borehole wall.Chemical grouting is the effective means that solves the mine water sand diaster prevention and control under difficult perfusion unconsolidated formation and the pressure limiting condition, some key scientific problems wherein are anxious to be waited to research and solve, variation as character behind profound unconsolidated formation (deep soil layer) chemical grouting, the particularly research of mechanical property under the condition of high voltage of grouting reinforcement body, the rational matter of water, and the prerequisite of research to be the preparation of test specimen need to be resolved hurrily.
Summary of the invention
The purpose of this utility model is at the problem that exists in the prior art, provides a kind of simple in structure, effective, can study the slip casting specimen preparation device of profound unconsolidated formation slip casting character.
For achieving the above object, air pressure control slip casting specimen preparation device of the present utility model, comprise air compressor, the air pressure grouting device and the sample preparation device that are connected with air compressor respectively through triplate line, be equipped with baroswitch operation valve and pressure valve on air pressure grouting device and sample preparation device and the vent line that air compressor links to each other, the grout outlet of air pressure grouting device links to each other with the pulp inlet of sample preparation device by the road, is provided with switching control pilot therebetween; Described air pressure grouting device comprises air pressure slip casting jar, and the top of air pressure slip casting jar is respectively equipped with rain glass, the side is provided with liquid level and shows that meter, bottom are provided with flowrate control valve; Described sample preparation device comprises and being located at adding air cylinder, connect and to add the hand-operated direction valve of air cylinder and to be fixed on soil sample sample preparation device in the fixed mount on the fixed mount.
Described air pressure grouting device is one or two combination arranged side by side; Described sample preparation device is one, two or more combination arranged side by side; Described soil sample sample preparation device is made of staving, the slip casting conversion module that is located at the staving bottom and the pressing plate that is located in the staving upper port; Described staving is made of the inside and outside bucket that wedging is sleeved on together, and three valves that interior bucket is three band taperings constitute; Be furnished with a plurality of apertures on the described slip casting conversion module.
Beneficial effect: the utility model combines cylinder and soil sample sample preparation device, come soil sample is exerted pressure by cylinder piston, the pneumaticpiston pressue device transforms by the manually operated control valve direction in the air pressure control slip casting specimen preparation device, by pressurization or release, simulate the slip casting experiment of different depth soil, can carry out two fluid grouting or single fluid grouting, and the different proportionings that flowrate control valve is controlled slurries are set in the bottom of air pressure slip casting jar, can simulate the chemical grouting process and the indoor high pressure mechanics of the preparation experiment property test of different deeps soil layer easily, the rational matter of water is tested needed specimen sample, expanded application is tested in leaching, permeability test etc., prepare three after overcoming big bath scaled model experimental device slip casting, infiltration waits the problem of test specimen difficulty, internal layer adopts three valves of three upper-thin-lower-thick band taperings, can make things convenient for slip casting after soil sample take out; It is rational in infrastructure, easy disassembly, and good sealing effect, directly perceived, easy to detect, laboratory operation is convenient, is easy to realize having practicality widely in this area.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an air pressure slip casting jar structure synoptic diagram of the present utility model.
Fig. 3 is a sample preparation apparatus structure synoptic diagram of the present utility model.
Among the figure: the 1-air compressor, the 2-three phase connection, 3-adds air cylinder, the 4-cylinder piston, the 5-pressure valve, 6-manually operated control valve, the accurate rain glass of 7-, 8-slip casting sample making device, 9-baroswitch operation valve, 10-air pressure slip casting jar first, 11-air pressure slip casting jar second, 12-flowrate control valve, 13-switching control pilot, the 14-sample, the gentle mouth of compressing into of 15-slurries, the 16-liquid level shows meter, 17-slip casting conversion module, 18-fixed mount, 19-pressing plate.
Embodiment
Below in conjunction with accompanying drawing implementation column of the present utility model is further described:
Shown in Figure 1, air pressure control slip casting specimen preparation device mainly is made of air compressor 1, air compressor 1, air pressure grouting device and sample preparation device.Air compressor 1 connects air pressure grouting device and sample preparation device respectively by a three phase connection 2 through the siphunculus road, be equipped with baroswitch operation valve 9 and pressure valve 5 on air pressure grouting device and sample preparation device and the vent line that air compressor 1 links to each other, the grout outlet of air pressure grouting device links to each other with the pulp inlet of sample preparation device by the road, is provided with switching control pilot 13 therebetween; The air pressure grouting device can be one, when to need only being used for a kind of slurries; When needing the different slurries of two kinds of preparations, the air pressure grouting device is two combinations side by side, it comprises two air pressure slip casting jars, in Fig. 1, air pressure slip casting jar first 10 gentle pressure injection slurry jar second 11, the top of two air pressure slip casting jars is respectively equipped with gentle mouthful 15, two the air pressure slip casting jar sides of compressing into of rain glass 7 and the slurries that link to each other with pressure valve 5 pipelines and is provided with liquid level and shows that meter 16, its bottom are provided with flowrate control valve 12, as shown in Figure 2.When beat be connected with the sample preparation device drive baroswitch operation valve 9 and manually operated control valve 6 time, the air of compression will promote cylinder piston 4 and move downward, and mounted soil sample is exerted pressure, the size of pressure can be regulated by pressure valve 5.Keep the constant pressure of air compressor 1, reach the purpose that soil sample is evenly applied certain stage pressure period.When opening the baroswitch operation valve 9 that communicates with the air pressure grouting device, air pressure can enter air pressure slip casting jar first 10 gentle pressure injection slurry jar second 11 from air pressure import 15, liquid level shows that what of slurries in the air pressure tanks meter 16 show, accurate rain glass 7 can show the size of air pressure, the slurries of opening flowrate control valve 12 the insides can flow out along high-voltage tube under pressure by air pressure, can control the ratio of two kinds of slurries by adjusting flowrate control valve 12, make slurries ratio as requested mix at switching control pilot 13 places.The sample preparation device is by being located at adding air cylinder 3, connect the soil sample sample preparation devices add the hand-operated direction valve 6 of air cylinder 3 and to be fixed in the fixed mount 18 and constitute on the fixed mount 18, as shown in Figure 3, soil sample sample preparation device by staving 8, be located at the slip casting conversion module 17 of staving 8 bottoms and the pressing plate 19 that is located in staving 8 upper port constitutes; Staving 8 is made of the inside and outside bucket that wedging is sleeved on together, and three valves that interior bucket is three band taperings constitute.Be furnished with a plurality of apertures on the slip casting conversion module 17.When opening baroswitch operation valve 9 and manually operated control valve 6, the air of compression will promote cylinder piston 4 and move downward, and exerts pressure to establishing the soil sample that is installed in the soil sample sample preparation device staving 8, and the size of pressure can be regulated by pressure valve 5.Keep the constant pressure of air compressor 1, reach the purpose that soil sample is evenly applied certain stage pressure period.Open switching control pilot 13, slurries are pressed in the soil sample 14 for the treatment of slip casting in the soil sample sample preparation device along high-voltage tube, realize that soil sample 14 is in the slip casting that is subjected under certain vertical load from bottom to top.
Claims (6)
1. slip casting specimen preparation device, it is characterized in that: it comprises air compressor (1), the air pressure grouting device and the sample preparation device that are connected with air compressor (1) respectively through triplate line, be equipped with baroswitch operation valve (9) and pressure valve (5) on air pressure grouting device and sample preparation device and the vent line that air compressor (1) links to each other, the grout outlet of air pressure grouting device links to each other with the pulp inlet of sample preparation device by the road, is provided with switching control pilot (13) therebetween; Described air pressure grouting device comprises air pressure slip casting jar, and the top of air pressure slip casting jar is respectively equipped with rain glass (7), the side is provided with liquid level and shows that meter (16), bottom are provided with flowrate control valve (12); Described sample preparation device comprises and being located at adding air cylinder (3), connect and to add the hand-operated direction valve (6) of air cylinder (3) and to be fixed on the interior soil sample sample preparation device of fixed mount (18) on the fixed mount (18).
2. slip casting specimen preparation device according to claim 1 is characterized in that: described air pressure grouting device is one or two combination arranged side by side.
3. slip casting specimen preparation device according to claim 1 is characterized in that: described sample preparation device is one, two or more combination arranged side by side.
4. slip casting specimen preparation device according to claim 1 is characterized in that: described soil sample sample preparation device by staving (8), be located at the slip casting conversion module (17) of staving (8) bottom and be located at pressing plate (19) formation in staving (8) upper port.
5. slip casting specimen preparation device according to claim 4 is characterized in that: described staving (8) is made of the inside and outside bucket that wedging is sleeved on together, and three valves that interior bucket is three band taperings constitute.
6. slip casting specimen preparation device according to claim 4 is characterized in that: be furnished with a plurality of apertures on the described slip casting conversion module (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202002850U CN201716221U (en) | 2010-05-18 | 2010-05-18 | Grouting sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202002850U CN201716221U (en) | 2010-05-18 | 2010-05-18 | Grouting sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716221U true CN201716221U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202002850U Expired - Fee Related CN201716221U (en) | 2010-05-18 | 2010-05-18 | Grouting sample preparation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201716221U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645287A (en) * | 2013-12-26 | 2014-03-19 | 中国矿业大学(北京) | Device for performing laboratory grouting testing on test block |
| CN103954490A (en) * | 2014-05-15 | 2014-07-30 | 山东科技大学 | Indoor simulation fabrication method and device of soft rock grouting test piece for mine |
| CN104265331A (en) * | 2014-07-08 | 2015-01-07 | 中国矿业大学 | Visual experiment system device used for simulating grouting plugging for water inrush of roadways |
| CN108956195A (en) * | 2018-05-22 | 2018-12-07 | 山东大学 | One kind being suitable for grouting model test sand body sampler and application method |
| CN109357955A (en) * | 2018-11-30 | 2019-02-19 | 中国海洋大学 | A kind of littoral facies soft clay complex region of variability cutting performance experimental provision and method |
| CN112362427A (en) * | 2020-11-12 | 2021-02-12 | 东华理工大学 | Air pressure three-axis sample preparation device and use method thereof |
-
2010
- 2010-05-18 CN CN2010202002850U patent/CN201716221U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645287A (en) * | 2013-12-26 | 2014-03-19 | 中国矿业大学(北京) | Device for performing laboratory grouting testing on test block |
| CN103645287B (en) * | 2013-12-26 | 2015-11-11 | 中国矿业大学(北京) | A kind of device for carrying out laboratory slip casting test to test block |
| CN103954490A (en) * | 2014-05-15 | 2014-07-30 | 山东科技大学 | Indoor simulation fabrication method and device of soft rock grouting test piece for mine |
| CN104265331A (en) * | 2014-07-08 | 2015-01-07 | 中国矿业大学 | Visual experiment system device used for simulating grouting plugging for water inrush of roadways |
| CN104265331B (en) * | 2014-07-08 | 2017-09-19 | 中国矿业大学 | A kind of Visualization system and device of simulation tunnel gushing water slip casting closure |
| CN108956195A (en) * | 2018-05-22 | 2018-12-07 | 山东大学 | One kind being suitable for grouting model test sand body sampler and application method |
| CN108956195B (en) * | 2018-05-22 | 2021-02-23 | 山东大学 | Sand body sampling device suitable for grouting model test and using method |
| CN109357955A (en) * | 2018-11-30 | 2019-02-19 | 中国海洋大学 | A kind of littoral facies soft clay complex region of variability cutting performance experimental provision and method |
| CN109357955B (en) * | 2018-11-30 | 2024-04-16 | 中国海洋大学 | Coastal soft clay complex variation region shear performance experimental device and method |
| CN112362427A (en) * | 2020-11-12 | 2021-02-12 | 东华理工大学 | Air pressure three-axis sample preparation device and use method thereof |
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Legal Events
| 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 |
Granted publication date: 20110119 Termination date: 20160518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |