CN105092385B - A kind of rock sample high-pressure water seal device and application method - Google Patents
A kind of rock sample high-pressure water seal device and application method Download PDFInfo
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- CN105092385B CN105092385B CN201510475639.XA CN201510475639A CN105092385B CN 105092385 B CN105092385 B CN 105092385B CN 201510475639 A CN201510475639 A CN 201510475639A CN 105092385 B CN105092385 B CN 105092385B
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- rock sample
- elastic housing
- top board
- lower platen
- pressure water
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Abstract
A kind of rock sample high-pressure water seal device and application method, the high-pressure water seal device include elastic housing, and elastic housing is in hollow tubular, and the inwall of elastic housing is provided with multi-turn sealing ring；The bottom of elastic housing is sealed by lower platen, and inlet opening is provided with lower platen；It is used to place rock sample inside elastic housing；The top of elastic housing is sealed by top board, and top board is provided with apopore；Lower platen, rock sample and top board are fixed on elastic housing by sealing ring and sealant layer.The cross section of sealing ring is V-shaped, and lower end and the elastic housing of sealing ring connect together, and the upper end of sealing ring is in contact with elastic housing.Sealing ring and sealant layer play a part of sealing, increase sealing effectiveness；Multi-turn sealing ring seals step by step, equally increases sealing effectiveness；High-pressure water seal device can also recycle, and save cost.The experimental procedure of high-pressure water seal device is simple, and operating process is simple and convenient.
Description
Technical field
The present invention relates to a kind of key rock specimen test device, more particularly to a kind of rock that can effectively seal water under high pressure
Specimen test device.
Background technology
Rock stress coupled with seepage flow always rock mechanics field research focus, carry out rock sample high hydraulic pressure with
Deformation under normal triaxial load collective effect has important with failure law research for the safe and stable property of Geotechnical Engineering
Theory and practice meaning.
Mechanical test Tremendous achievements of the rock under infiltration hydraulic pressure and normal triaxial loading effect, it is such whether to test successfully
Key factor be current Sealing Technology.At present, the infiltration water sealing device or material in known rock mechanics experiment field
There are heat shrinkable plastics material, silica gel and rubber sleeve etc..Such as in the permeability test of Rock Complete Stress-Strain Process, thermal contraction plastic
Material material entangles rock sample, toasts heat shrinkable plastics material, makes its tight rock sample；Also there is part rock sample in true triaxial
During loading, using silica gel sealing current；In the permeability test of some gritstones, due to needing normal triaxial to load, also have
A little scholars ensure that the oil in triaxial chamber and infiltration current do not mix using smooth rubber sleeve sealing rock sample.But due to experiment
During effect of water pressure continuation so that these measures are general not to the utmost such as people in terms of the stability under working environment
Meaning, or even there is the phenomenon that current overflow water shutoff material；Furthermore the hydraulic pressure that experiment uses mostly is smaller, and rock sample is in Gao Shui
The Sealing Technology of pressure is still a urgent problem to be solved.
The content of the invention
In order to solve the problems, such as that sealing effectiveness present in prior art is unstable, the present invention provides a kind of sealing stabilization
Rock sample high-pressure water seal device.
A kind of rock sample high-pressure water seal device, including elastic housing, top board and lower platen, the elastic housing are in
Hollow tubular, the inwall of elastic housing are provided with the equally distributed sealing ring of multi-turn from top to bottom；The bottom of the elastic housing
Sealed by lower platen, multiple inlet openings are provided with the lower platen；The inside of the elastic housing is used to place rock sample；
The top of the elastic housing is sealed by top board, and the top board is provided with multiple apopores；The lower platen, rock sample
And top board is fixed on elastic housing by sealing ring.
Preferably, it is also coated with sealant layer between the lower platen, rock sample and top board and elastic housing.By close
Seal and sealant layer seal jointly, can increase sealing effectiveness.
Preferably, the cross section of the sealing ring is V-shaped, and the lower end of sealing ring and the inwall of elastic housing connect together,
The upper end of sealing ring is in contact with elastic housing.The sealing ring is V-shaped, and the middle part width of sealing ring is larger, and sealing ring can be with
It is driven plain, plays a part of sealing；The upper end of sealing ring is in contact with elastic housing, facilitates sealing ring to be deformed after being pressurized.
Preferably, annular displacement meter is also cased with rock sample.User of service can determine rock by annular displacement meter
The strain value of sample.
Preferably, the elastic housing is cylindrical, and the top board and lower platen are in round pie.Above-mentioned setting can be with
Facilitate experimental implementation.
It is a further object to provide the application method of above-mentioned rock sample high-pressure water seal device.
A kind of application method of rock sample high-pressure water seal device, its operating procedure are as follows：
The first step, rock sample is placed on lower platen, and top board is added on rock sample top；
Second step, elastic housing is entangled into lower platen, top board and rock sample, completes the group of high-pressure water seal device
Dress；
3rd step, high-pressure water seal device is placed in pressurized equipment, applies confined pressure to elastic housing, until elasticity is outer
Sealing ring on shell inwall has withstood lower platen, top board and rock sample；
4th step, the inlet opening of pushing the back down apply water under high pressure；
5th step, apply axial compressive force to top board.
Preferably, in second step, the side of inwall or lower platen, top board and rock sample first in elastic housing applies
One layer of sealant layer is covered, elastic housing is entangled into lower platen, top board and rock sample afterwards.
Preferably, the rock sample periphery in the first step is cased with annular displacement meter.
The present invention compared with prior art, has the advantages that：
A kind of above-mentioned rock sample high-pressure water seal device, sealing ring and sealant layer play a part of sealing, increase
Sealing effectiveness；Wherein sealing ring has multi-turn, and multi-turn sealing ring seals step by step, equally increases sealing effectiveness；Above-mentioned water under high pressure
Sealing device can also recycle, and save cost.Above-mentioned experimental procedure is simple, above-mentioned high-pressure water seal device operating process
It is simple and convenient.
Brief description of the drawings
Fig. 1 is a kind of entirety sectional view of rock sample high-pressure water seal device.
Fig. 2 is the sectional view of elastic housing and rock sample.
Fig. 3 is the sectional view of elastic housing.
Fig. 4 is the stereogram of top board.
Fig. 5 is the stereogram of lower platen.
Fig. 6 is the connection diagram of sealing ring and elastic housing.
1 rock sample, 2 elastic housings, 3 apopores, 4 top boards, 5 sealing rings, 6 lower platens, 7 inlet openings, 8 annular displacements
Meter.
Embodiment
With reference to Fig. 1 to Fig. 6, the present invention is described in detail.
Embodiment 1
A kind of rock sample high-pressure water seal device, including elastic housing 2, top board 4 and lower platen 6, the elasticity are outer
Shell 2 is in hollow tubular, and the inwall of elastic housing 2 is provided with the equally distributed sealing ring 5 of multi-turn from top to bottom；The elastic housing
2 bottom is sealed by lower platen 6, and multiple inlet openings 7 are provided with the lower platen 6；The inside of elastic housing 2 is used to place
Rock sample 1；The top of the elastic housing 2 is sealed by top board 4, and the top board 4 is provided with multiple apopores 3；It is described
Lower platen 6, rock sample 1 and top board 4 are fixed on elastic housing 2 by sealing ring 5.
Further, it is also coated with sealant layer between the lower platen 6, rock sample 1 and top board 4 and elastic housing 2.
Sealed jointly by sealing ring 5 and sealant layer, sealing effectiveness can be increased.
Further, the cross section of the sealing ring 5 is V-shaped, and lower end and the elastic housing 2 of sealing ring 5 connect together, close
The upper end of seal 5 is in contact with elastic housing 2.The sealing ring 5 is V-shaped, and the middle part width of sealing ring 5 is larger, can be pressed
It is flat, play a part of sealing；The upper end of sealing ring 5 and the phase of elastic housing 2 are from facilitating sealing ring 5 to be deformed after being pressurized.
Further, annular displacement meter 8 is also cased with rock sample 1.User of service can be determined by annular displacement meter 8
The strain value of rock sample 1.
Further, the elastic housing 2 is cylindrical, and the top board 4 and the plate of bottom pressure-bearing 6 are in round pie.On
Experimental implementation can be facilitated by stating setting.
Embodiment 2
A kind of application method of the above-mentioned high-pressure water seal device of rock sample 1, it is as follows using step：
The first step, rock sample 1 is placed on lower platen 6, and top board 4 is added on the top of rock sample 1；
Second step, elastic housing 2 is entangled into lower platen 6, top board 4 and rock sample 1, completes high-pressure water seal device
Assembling；
3rd step, high-pressure water seal device is placed in pressurized equipment, applies confined pressure to elastic housing 2, until elasticity
Sealing ring 5 on the inwall of shell 2 has withstood lower platen 6, top board 4 and rock sample 1；
4th step, the inlet opening of pushing the back down 6 apply water under high pressure；
5th step, apply axial compressive force to top board 4.
Further, in second step, inwall or lower platen 6, top board 4 and rock sample 1 first in elastic housing 2
Side coats one layer of sealant layer, and elastic housing 2 is entangled into lower platen 6, top board 4 and rock sample 1 afterwards.
Further, the periphery of rock sample 1 in the first step is cased with annular displacement meter 8.
A kind of above-mentioned rock sample high-pressure water seal device, sealing ring 5 and sealant layer play a part of sealing, increase
Sealing effectiveness；Wherein sealing ring 5 has multi-turn, and multi-turn sealing ring 5 seals step by step, equally increases sealing effectiveness；Above-mentioned high pressure
Water sealing device can also recycle, and save cost.Above-mentioned experimental procedure is simple, and above-mentioned high-pressure water seal device operated
Journey is simple and convenient.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention, it should also belong to the present invention's
Protection domain.
Claims (7)
1. a kind of rock sample high-pressure water seal device, it is characterised in that described including elastic housing, top board and lower platen
Elastic housing is in hollow tubular, and the inwall of elastic housing is provided with the equally distributed sealing ring of multi-turn, the sealing from top to bottom
The cross section of circle is V-shaped, and the lower end of sealing ring is connected with elastic housing inwall, and the upper end of sealing ring connects with elastic housing
Touch；The bottom of the elastic housing is sealed by lower platen, and multiple inlet openings are provided with the lower platen；In the elastic housing
Portion is used to place rock sample；The top of the elastic housing is sealed by top board, and the top board is provided with multiple apopores；
The lower platen, rock sample and top board are fixed on elastic housing by sealing ring.
2. a kind of rock sample high-pressure water seal device as claimed in claim 1, it is characterised in that the lower platen, rock
Sealant layer is also coated between sample and top board and elastic housing.
3. a kind of rock sample high-pressure water seal device as claimed in claim 1, it is characterised in that be also cased with rock sample
Annular displacement meter.
4. a kind of rock sample high-pressure water seal device as claimed in claim 1, it is characterised in that the elastic housing is in circle
Tubulose, the top board and lower platen are in round pie.
5. a kind of application method of rock sample high-pressure water seal device as described in Claims 1-4 any one, its feature
It is, its operating procedure is as follows：
The first step, rock sample is placed on lower platen, and top board is added on rock sample top；
Second step, elastic housing is entangled into lower platen, top board and rock sample, completes the assembling of high-pressure water seal device；
3rd step, high-pressure water seal device is placed in pressurized equipment, applies confined pressure to elastic housing, until in elastic housing
Sealing ring on wall has withstood lower platen, top board and rock sample；
4th step, the inlet opening of pushing the back down apply water under high pressure；
5th step, apply axial compressive force to top board.
A kind of 6. application method of rock sample high-pressure water seal device as claimed in claim 5, it is characterised in that second step
In, the side of inwall or lower platen, top board and rock sample first in elastic housing coats one layer of sealant layer, afterwards will
Elastic housing entangles lower platen, top board and rock sample.
A kind of 7. application method of rock sample high-pressure water seal device as claimed in claim 5, it is characterised in that the first step
In rock sample periphery be cased with annular displacement meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475639.XA CN105092385B (en) | 2015-08-06 | 2015-08-06 | A kind of rock sample high-pressure water seal device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475639.XA CN105092385B (en) | 2015-08-06 | 2015-08-06 | A kind of rock sample high-pressure water seal device and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105092385A CN105092385A (en) | 2015-11-25 |
| CN105092385B true CN105092385B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510475639.XA Expired - Fee Related CN105092385B (en) | 2015-08-06 | 2015-08-06 | A kind of rock sample high-pressure water seal device and application method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717038B (en) * | 2018-05-23 | 2023-11-24 | 中国建筑材料科学研究总院有限公司 | Concrete anti-gas permeability test device |
| CN110095332B (en) * | 2019-03-22 | 2020-11-17 | 四川大学 | Sealing method and sealing device for rock sample in triaxial Hopkinson pressure bar experiment |
| CN114813504A (en) * | 2022-04-08 | 2022-07-29 | 中国长江三峡集团有限公司 | Drawing seepage coupling test device and method for anchor adding sample under high temperature and high pressure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226131A (en) * | 2008-01-25 | 2008-07-23 | 成都理工大学 | Method for sealing sample with high hydraulic pressure |
| CN101915725A (en) * | 2010-09-03 | 2010-12-15 | 中国科学院武汉岩土力学研究所 | Rock core clamping pressure vessel |
| CN201716255U (en) * | 2010-07-14 | 2011-01-19 | 中原工学院 | Rock permeability testing device |
| CN103161963A (en) * | 2013-03-18 | 2013-06-19 | 南车戚墅堰机车车辆工艺研究所有限公司 | Output shaft sealing device |
| CN103558136A (en) * | 2013-11-07 | 2014-02-05 | 大连海事大学 | System and method for testing rock damage and permeability under coupling effect of temperature stress and circumferential seepage |
| CN204389353U (en) * | 2015-01-30 | 2015-06-10 | 湖南科技大学 | A kind of temperature-seepage coupling test test specimen packoff |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59208434A (en) * | 1983-05-12 | 1984-11-26 | Kawasaki Heavy Ind Ltd | Apparatus for sealing tube end against liquid pressure |
| JPS59208433A (en) * | 1983-05-12 | 1984-11-26 | Kawasaki Heavy Ind Ltd | Apparatus for sealing tube end against liquid pressure |
-
2015
- 2015-08-06 CN CN201510475639.XA patent/CN105092385B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226131A (en) * | 2008-01-25 | 2008-07-23 | 成都理工大学 | Method for sealing sample with high hydraulic pressure |
| CN201716255U (en) * | 2010-07-14 | 2011-01-19 | 中原工学院 | Rock permeability testing device |
| CN101915725A (en) * | 2010-09-03 | 2010-12-15 | 中国科学院武汉岩土力学研究所 | Rock core clamping pressure vessel |
| CN103161963A (en) * | 2013-03-18 | 2013-06-19 | 南车戚墅堰机车车辆工艺研究所有限公司 | Output shaft sealing device |
| CN103558136A (en) * | 2013-11-07 | 2014-02-05 | 大连海事大学 | System and method for testing rock damage and permeability under coupling effect of temperature stress and circumferential seepage |
| CN204389353U (en) * | 2015-01-30 | 2015-06-10 | 湖南科技大学 | A kind of temperature-seepage coupling test test specimen packoff |
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| Publication number | Publication date |
|---|---|
| CN105092385A (en) | 2015-11-25 |
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Granted publication date: 20180126 Termination date: 20180806 |