CN201983980U - Broken rock sample creep permeation whole course coupling tester - Google Patents
Broken rock sample creep permeation whole course coupling tester Download PDFInfo
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- CN201983980U CN201983980U CN2011200349813U CN201120034981U CN201983980U CN 201983980 U CN201983980 U CN 201983980U CN 2011200349813 U CN2011200349813 U CN 2011200349813U CN 201120034981 U CN201120034981 U CN 201120034981U CN 201983980 U CN201983980 U CN 201983980U
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Abstract
The utility model relates to a broken rock sample creep permeation whole course coupling tester which comprises a hydraulic axial loading device, a permeation device and a data display device, wherein the axial loading device realizes stable supply and keeping of oil path pressure through a plunger pump, an electromagnetic overflow valve, a one way valve, a pressure relay, a power accumulator and a two-position four-way reversing valve, and loading and keeping of the axial force of stable pressure in an oil path are realized through a hydraulic cylinder, a round pipe and a piston; the permeation device carries out permeation on a broken rock sample sealed in a cylinder barrel from the top down through an electric pressure test pump, a water inlet pipe, a one way valve, a felt layer and a porous permeable plate as well as displays and monitors a creep and permeation test process in real time with the utilization of a pressure gauge, a water pressure gauge, a pressure sensor, a displacement meter, a flow sensor and the like; and the whole device is arranged on a flat plate cart provided with a roller so as to be convenient to move, and the broken rock sample creep permeation whole course coupling tester has a concise structure, seals rapidly and is convenient to operate and suitable for compression creep, permeation and creep permeation whole course coupling tests of broken rocks.
Description
Technical field
The utility model relates to a kind of fractured rock mechanical property proving installation, and omnidistance coupling test device is permeated in especially a kind of broken rock sample creep.
Background technology
Creep causes the variation of fragmented rock body factor of porosity, thereby causes the variation of its Penetration Signature; Otherwise hole and infiltrative variation cause the variation of seepage field (pressure field, velocity field), thereby cause the variation of fragmented rock body creep properties.Therefore, there is coupling between creep and the seepage flow.The unstability of the coupling regular meeting aggravation underground engineering wall rock structure of creep and seepage flow causes dynamic disaster accidents such as gushing water and surface collapse.Utilizing influencing each other of shop experiment research fractured rock creeping property and penetration property, is to solve basic skills and the means that seepage flow and creep stream in rock mechanics and the Geotechnical Engineering technical field are consolidated the coupling problem.
Existing creep of rock or permeability test, the employing wobble pump that has applies permeable pressure head and confined pressure, but because the wobble pump flow is very little, only is applicable to the permeability test of low-permeability rock sample, is not suitable for the waterflooding requirement of fractured rock macropore medium.Existing advanced MTS815 series rock mechanics experiment device, its permeability apparatus supercharger water filling capacity is little, throw of poston has only 100mm, and that creep of rock permeates the required duration of omnidistance coupling test is longer, can only carry out discontinuous permeability test in creep process.Existing rock mechanics creep or permeability apparatus all can't satisfy the permeability test requirement of fractured rock creep whole process.
The utility model content
In order to solve the deficiency that traditional broken rock sample creep permeability test technology exists, the utility model proposes a kind of broken rock sample creep that utilizes hydraulic means to apply axle pressure and permeable pressure head and permeate omnidistance coupling test device, this apparatus structure is succinct, assembling is flexible, expandability is strong, experimentation cost is low, sealing fast, easy to operate, have stronger practicality.
The technical scheme that its technical matters that solves the utility model adopts is: this a kind of broken rock sample creep is permeated omnidistance coupling test device and is comprised axial pressure device, permeability apparatus and data presentation device; This test unit has a bottom to have the plate shaped go-cart of roller, the support that is installed with square frame shape on the base plate of this go-cart; In this support, top is installed with the hydraulic axial pressue device, and the bottom correspondence is equipped with permeability apparatus; This axial pressure device has a hydraulic cylinder of fixedlying connected with cradle top surface, and the bottom vertical fixing of this hydraulic cylinder is connected with a hollow circular-tube, and a side of hollow circular-tube is provided with displacement meter; This permeability apparatus has a vertical cylinder barrel, and the bottom of this cylinder barrel fixedly mounts Packed base, and the cylinder barrel top coincide piston is installed, and the end face of this piston and the bottom surface of pipe join; This base and piston seal with O-ring seals with cylinder barrel respectively; Be separately installed with vertical water inlet pipe and rising pipe on the axis of this base and piston, the outer end of this rising pipe is connected with water tank, water inlet pipe is provided with the retaining valve of anti-sealing adverse current, and order is connected with the water pressure gauge that has valve, pressure transducer, flow sensor and motor test pump 11; The order correspondence is provided with felt layers and porous porous disc between this base and the piston, and the test rock sample has been fixedly clamped between this porous porous disc.
Axially charger adopts the hydraulic oil in the ram pump absorption fuel tank to start working, stablely provide and keep by what ram pump, electromagnetic relief valve, retaining valve, pressure switch, accumulator, two-position four way change valve and tensimeter were realized oil circuit pressure, and loading and the maintenance of pressure stable in the oil circuit by hydraulic cylinder realization axial force; Permeability apparatus provides infiltration required hydraulic pressure by motor test pump, fluid is flowed into by water inlet pipe, enter rock sample by felt layers, porous porous disc from bottom to top through retaining valve, flow into water tank through rising pipe again, in experiment, show in real time and the monitoring experiment data by tensimeter, water pressure gauge and the displacement meter that has valve, and can flow and pressure be converted to electric signal, be input to external data collecting instrument and write down, analyze by pressure transducer and flow sensor.
The beneficial effects of the utility model are: omnidistance coupling test device is permeated in this a kind of broken rock sample creep, and is simple for structure, and assembling is flexible, expandability is strong, and experimentation cost is low, and sealing is quick, and easy to operate, dependable performance has stronger practicality.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing 1 permeates the structural representation of omnidistance coupling test device for this a kind of broken rock sample creep.
Accompanying drawing 2 is the structural representation of axial pressure device.
Accompanying drawing 3 is the structural representation of permeability apparatus.
In the drawings, 1. go-cart, 2. support, 3. cylinder barrel, 4. water tank, 5. hollow circular-tube, 6. displacement meter, 7. hydraulic cylinder, 8. water pressure gauge, 9. pressure transducer, 10. flow sensor, 11. motor test pumps, 12. fuel tank, 13. ram pumps, 14. electromagnetic relief valves, 15. retaining valve, 16. pressure switches, 17. accumulators, 18. two-position four way change valve, 19. tensimeters, 20. pressure transducers, 21. rising pipe, 22. pistons, 23. rock samples, 24. the porous porous disc, 25. felt layers, 26. retaining valves, 27. cylinder barrel, 28. bases, 29. water inlet pipes.
Embodiment
In the accompanying drawings, this a kind of broken rock sample creep is permeated omnidistance coupling test device and is comprised axial pressure device, permeability apparatus, data presentation device; This test unit has a bottom to have the plate shaped go-cart 1 of roller, the support 2 that is installed with square frame shape on the base plate of this go-cart 1; In this support 2, top is installed with the hydraulic axial pressue device, and the bottom correspondence is equipped with permeability apparatus; This axial pressure device has a hydraulic cylinder 7 of fixedlying connected with support 2 end faces, and the bottom vertical fixing of this hydraulic cylinder 7 is connected with one and is used for the axially hollow circular-tube 5 of loading, and a side of hollow circular-tube 5 is provided with displacement meter 6; This permeability apparatus has a vertical cylinder barrel 3, and the bottom of this cylinder barrel 3 fixedly mounts Packed base 28, and cylinder barrel 3 tops coincide piston 22 is installed, and the bottom surface of the end face of this piston 22 and pipe 5 joins; This base 28 and piston 22 seal with cylinder barrel 3 usefulness O-ring seals respectively; Be separately installed with vertical water inlet pipe 29 and rising pipe 21 on the axis of this base 28 and piston 22, the outer end of this rising pipe 21 is connected with water tank 4, water inlet pipe 29 is provided with the retaining valve 26 of anti-sealing adverse current, and order is connected with the water pressure gauge 8 that has valve, pressure transducer 9, flow sensor 10 and motor test pump 11; The order correspondence is provided with felt layers 25 and porous porous disc 24 between this base 28 and the piston 22, and test rock sample 23 has been fixedly clamped between this porous porous disc 24.
Axially charger adopts the hydraulic oil in the ram pump 13 absorption fuel tanks 12 to start working, stablely provide and keep by what electromagnetic relief valve 14, retaining valve 15, pressure switch 16, accumulator 17 and two-position four way change valve 18 were realized the oil circuit pressure, and loading and the maintenance of pressure stable in the oil circuit by hydraulic cylinder 7 realization axial forces; Permeability apparatus provides infiltration required hydraulic pressure by motor test pump 11, fluid is flowed into by water inlet pipe 29, enter rock sample 23 by felt layers 25, porous porous disc 24 from bottom to top through retaining valve 26, flow into water tank 4 through rising pipe 21 again, in experiment, show in real time and the monitoring experiment data by tensimeter 20, water pressure gauge 8 and the displacement meter 6 that has valve, and can flow and pressure be converted to electric signal by pressure transducer 9,20 and flow sensor 10, be input to external data collecting instrument and write down, analyze.
Claims (2)
1. omnidistance coupling test device is permeated in a broken rock sample creep, comprises axial pressure device, permeability apparatus and data presentation device; This test unit has a bottom to have the plate shaped go-cart (1) of roller, the support (2) that is installed with square frame shape on the base plate of this go-cart (1); It is characterized in that: in this support (2), top is installed with the hydraulic axial pressue device, and the bottom correspondence is equipped with permeability apparatus; This axial pressure device has a hydraulic cylinder (7) of fixedlying connected with support (2) end face, and the bottom vertical fixing of this hydraulic cylinder (7) is connected with one and is used for the axially hollow circular-tube (5) of loading, and a side of hollow circular-tube (5) is provided with displacement meter (6); This permeability apparatus has a vertical cylinder barrel (3), and the bottom of this cylinder barrel (3) fixedly mounts Packed base (28), and cylinder barrel (3) top coincide piston (22) is installed, and the bottom surface of end face of this piston (22) and pipe (5) joins; This base (28) and piston (22) seal with O-ring seals with cylinder barrel (3) respectively; Be separately installed with vertical water inlet pipe (29) and rising pipe (21) on the axis of this base (28) and piston (22), the outer end of this rising pipe (21) is connected with water tank (4), water inlet pipe (29) is provided with the retaining valve (26) of anti-sealing adverse current, and order is connected with the water pressure gauge that has valve (8), pressure transducer (9), flow sensor (10) and motor test pump (11); The order correspondence is provided with felt layers (25) and porous porous disc (24) between this base (28) and the piston (22), and test rock sample (23) has been fixedly clamped between this porous porous disc (24).
2. omnidistance coupling test device is permeated in described a kind of broken rock sample creep according to claim 1, it is characterized in that: show in real time and the monitoring experiment data by tensimeter (20), water pressure gauge (8) and the displacement meter (6) that has valve, and can flow and pressure be converted to electric signal by pressure transducer (9,20) and flow sensor (10), be input to external data collecting instrument and write down, analyze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200349813U CN201983980U (en) | 2011-01-26 | 2011-01-26 | Broken rock sample creep permeation whole course coupling tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200349813U CN201983980U (en) | 2011-01-26 | 2011-01-26 | Broken rock sample creep permeation whole course coupling tester |
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| Publication Number | Publication Date |
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| CN201983980U true CN201983980U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200349813U Expired - Fee Related CN201983980U (en) | 2011-01-26 | 2011-01-26 | Broken rock sample creep permeation whole course coupling tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175529A (en) * | 2011-01-26 | 2011-09-07 | 徐州师范大学 | Creep permeation full-distance coupling test system for broken rock sample |
| CN104677805A (en) * | 2015-03-20 | 2015-06-03 | 中国海洋石油总公司 | Rock core clamping device, pollution kettle and rock core damage evaluation experiment method |
| CN106442152A (en) * | 2016-09-19 | 2017-02-22 | 南华大学 | Testing apparatus for stably applying osmotic pressure with crack propagation |
| CN112964623A (en) * | 2021-03-23 | 2021-06-15 | 哈尔滨工业大学 | Experimental device for axial permeation of annular tissue engineering scaffold and use method |
-
2011
- 2011-01-26 CN CN2011200349813U patent/CN201983980U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175529A (en) * | 2011-01-26 | 2011-09-07 | 徐州师范大学 | Creep permeation full-distance coupling test system for broken rock sample |
| CN104677805A (en) * | 2015-03-20 | 2015-06-03 | 中国海洋石油总公司 | Rock core clamping device, pollution kettle and rock core damage evaluation experiment method |
| CN104677805B (en) * | 2015-03-20 | 2018-11-02 | 中国海洋石油集团有限公司 | A kind of the rock core damage evaluation experimental method and pollution kettle of core holding unit |
| CN106442152A (en) * | 2016-09-19 | 2017-02-22 | 南华大学 | Testing apparatus for stably applying osmotic pressure with crack propagation |
| CN106442152B (en) * | 2016-09-19 | 2018-10-19 | 南华大学 | It is a kind of to stablize the experimental rig for applying osmotic pressure with crack propagation |
| CN112964623A (en) * | 2021-03-23 | 2021-06-15 | 哈尔滨工业大学 | Experimental device for axial permeation of annular tissue engineering scaffold and use method |
| CN112964623B (en) * | 2021-03-23 | 2023-04-11 | 哈尔滨工业大学 | Experimental device for axial permeation of annular tissue engineering scaffold and use method |
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Legal Events
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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: 20110921 Termination date: 20150126 |
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| EXPY | Termination of patent right or utility model |