CN210533886U - Osmotic water pressure system for uniaxial compression test - Google Patents
Osmotic water pressure system for uniaxial compression test Download PDFInfo
- Publication number
- CN210533886U CN210533886U CN201921271753.0U CN201921271753U CN210533886U CN 210533886 U CN210533886 U CN 210533886U CN 201921271753 U CN201921271753 U CN 201921271753U CN 210533886 U CN210533886 U CN 210533886U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- connecting member
- nozzle
- valve
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a infiltration water pressure system for unipolar compression test, the utility model relates to the technical field of test equipment, medium pressure output device through the pipeline with the connector through connection of four-way connection, the manometer through the pipeline with the connector through connection of four-way connection No. two, and through connection has the third valve on this pipeline; the constant pressure cylinder is communicated with a third connecting port of the four-way joint through a pipeline, and a second valve is communicated with the pipeline; the connecting device is in through connection with a fourth connecting port of the four-way connector through a pipeline, and a first valve is in through connection with the pipeline. The confining pressure which is larger than the pressure of the seepage water does not need to be improved, the operation is easy, the real-time collection of the optical and thermal characteristics in the rock damage process is convenient, and the practicability is stronger.
Description
Technical Field
The utility model relates to a test equipment technical field, concretely relates to infiltration water pressure system for unipolar compression test.
Background
In the field of current geotechnical tests, research on mechanical properties of rocks under the action of osmotic water pressure is limited to triaxial compression tests. In order to apply stable osmotic water pressure, confining pressure larger than osmotic water pressure must be provided, so that the strength characteristic and the damage mode of the rock are far away from the intrinsic strength of the rock and the damage mode under the action of unidirectional pressure, meanwhile, as the rock triaxial test is shielded by the metal working bin, the light and heat characteristics in the rock damage process cannot be acquired in real time, and the development process in the field of rock microscopic analysis is severely restricted. How to provide a set of stable and safe osmotic water pressure system on the basis of keeping the open test environment of a uniaxial compression test system becomes an important problem to be solved urgently in the civil engineering field in the current geotechnical engineering field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's a infiltration water pressure system for unipolar compression test, it need not improve than the confining pressure that infiltration water pressure is big, easily operation, the rock destruction in-process of being convenient for simultaneously, real-time collection of light, thermal characteristic, the practicality is stronger.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a medium pressure output device, a four-way joint, a first valve, a second valve, a third valve, a constant pressure cylinder, a connecting device and a pressure gauge; the medium pressure output device is communicated with a first connecting port of the four-way joint through a pipeline, the pressure gauge is communicated with a second connecting port of the four-way joint through a pipeline, and the pipeline is communicated with a third valve; the constant pressure cylinder is communicated with a third connecting port of the four-way joint through a pipeline, and a second valve is communicated with the pipeline; the connecting device is communicated with a fourth connecting port of the four-way joint through a pipeline, and the pipeline is communicated with a first valve;
the connecting device is composed of a lower connecting component, an upper connecting component, a first nozzle and a second nozzle; the lower connecting member and the upper connecting member are both of hollow structures, the upper connecting member is fixed on the upper portion of the lower connecting member, the first nozzle is inserted into the side wall of the lower connecting member in a sealing mode, the inlet end of the first nozzle is in through connection with the outlet end of a pipeline connected with the first valve, the outlet end of the first nozzle penetrates through the top wall of the lower connecting member and then is in through connection with the hollow structure in the upper connecting member, the second nozzle is inserted into the top wall of the upper connecting member in a sealing mode and is in through connection with the inner space in the upper connecting member, and the outlet end of the second nozzle is inserted into a test piece to be tested, wherein the test piece is arranged on the upper portion of the.
Furthermore, the side wall of the lower connecting component is internally sunk and integrally formed with a first groove, the outlet end of the first nozzle is inserted and connected in the first groove in a threaded manner, and a first sealing layer is embedded at the contact position of the first nozzle and the first groove.
Furthermore, a second groove is formed in the top wall of the lower connecting component in an invagination and integrated mode; a circular bulge is integrally formed on the lower wall of the upper connecting component in a downward protruding mode, the circular bulge is of a hollow structure and is communicated with the inner space of the upper connecting component, the circular bulge is inserted into the second groove and is in threaded connection with the second groove, and a second sealing layer is embedded between the outer annular wall of the circular bulge and the inner annular wall of the second groove; a second sealing ring is embedded between the lower surface of the bottom wall of the circular bulge and the upper surface of the bottom wall of the second groove.
Furthermore, a first sealing ring is arranged at the joint of the lower connecting member and the upper connecting member.
Furthermore, the upper part of the upper connecting member is fixedly connected with the bottom of the test piece to be tested through the bonding layer.
After the structure is adopted, the beneficial effects of the utility model are that: the utility model provides a infiltration hydraulic pressure system for unipolar compression test, pressure fluid is from waiting that test piece is inside to treat test piece and apply the effort, need provide a confining pressure that is greater than infiltration water pressure in avoiding traditional triaxial compression test, it can be experimental under open operational environment, do not receive sheltering from of metal working bin, can realize the sound to the rock destruction in-process, light, heat and the real-time collection of deformation characteristic, and simple structure, and convenient operation, can effectually promote the development process in rock mesoscopic analysis field.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the connecting device of the present invention.
Description of reference numerals:
the device comprises a lower connecting component 1, a first groove 1-1, a second groove 1-2, an upper connecting component 2, a circular protrusion 2-1, a first sealing ring 3, a second sealing ring 4, a first sealing layer 5, a second sealing layer 6, a first nozzle 7, a second nozzle 8, a bonding layer 9, a test piece to be tested 10, a medium pressure output device 11, a four-way joint 12, a first valve 13, a second valve 14, a third valve 15, a constant pressure cylinder 16, a connecting device 17 and a pressure gauge 18.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the device comprises a medium pressure output device 11, a four-way joint 12, a first valve 13, a second valve 14, a third valve 15, a constant pressure cylinder 16, a connecting device 17 and a pressure gauge 18; the medium pressure output device 11 is communicated with a first connecting port of the four-way joint 12 through a pipeline, the pressure gauge 18 is communicated with a second connecting port of the four-way joint 12 through a pipeline, and the pipeline is communicated with a third valve 15; the constant pressure cylinder 16 is communicated with a third connecting port of the four-way joint 12 through a pipeline, and a second valve 14 is communicated with the pipeline; the connecting device 17 is in through connection with a fourth connecting port of the four-way joint 12 through a pipeline, and a first valve 13 is in through connection with the pipeline;
the connecting device 17 is composed of a lower connecting member 1, an upper connecting member 2, a first nozzle 7 and a second nozzle 8; the lower connecting member 1 and the upper connecting member 2 are both of a hollow structure, the upper connecting member 2 is arranged at the upper part of the lower connecting member 1, and a second groove 1-2 is formed in the top wall of the lower connecting member 1 in an invaginated and integrated mode; a circular bulge 2-1 is integrally formed on the lower wall of the upper connecting member 2 in a downward protruding mode, the circular bulge 2-1 is of a hollow structure and is communicated with the inner space of the upper connecting member 2, the circular bulge 2-1 is inserted and connected in the second groove 1-2 in a threaded mode, and a second sealing layer 6 (made of polytetrafluoroethylene and having the width of 7 cm) is embedded between the outer annular wall of the circular bulge 2-1 and the inner annular wall of the second groove 1-2; a second sealing ring 4 (which is an O-shaped sealing ring and has an inner diameter of 3 mm) is embedded between the lower surface of the bottom wall of the circular bulge 2-1 and the upper surface of the bottom wall of the second groove 1-2; a first sealing ring 3 (which is a silica gel sealing ring, the inner diameter of which is 15.8mm, and the outer diameter of which is 50 mm) is arranged at the joint of the lower connecting member 1 and the upper connecting member 2; the side wall of the lower connecting component 1 is sunk and integrally formed with a first groove 1-1, the outlet end of a first nozzle 7 is inserted and screwed in the first groove 1-1, a first sealing layer 5 (made of polytetrafluoroethylene and having a width of 7 cm) is embedded at the contact position of the first nozzle and the second nozzle, the inlet end of the first nozzle 7 is communicated with the outlet end of a pipeline connected with a first valve 13, the outlet end of the first nozzle 7 is communicated with the hollow structure in the upper connecting member 2 after penetrating through the top wall of the lower connecting member 1, the second nozzle 8 is hermetically inserted in the top wall of the upper connecting member 2, and which is connected through the inner space in the upper connecting member 2, the outlet end of the second nozzle 8 is inserted into a test piece 10 to be tested which is provided on the upper portion of the upper connecting member 2, the bottom of the test piece 10 to be tested is fixed to the upper portion of the upper connection member 2 by an adhesive layer 9 (the material of the adhesive layer 9 is epoxy resin).
The test method of this embodiment is as follows: the medium adopted by the medium pressure output device 11 is water or gas, the pressure medium output by the medium pressure output device 11 sequentially passes through the first valve 13, the first nozzle 7, the lower connecting member 1, the upper connecting member 2 and the second nozzle 8 and then is sprayed into the test piece 10 to be tested, so that an acting force is applied to the test piece to be tested from the inside of the test piece to be tested, the impact pressure of the medium to the inside of the test piece 10 to be tested is controlled by adjusting the opening degree of the first valve 13, the coupling of fluid-force in rocks in a one-way compression state is realized, and the impact frequency of the medium to the inside of the test time is controlled by controlling the switching frequency of the first valve 13; by adjusting the first valve 13, fluid impact splitting tests under different impact pressures and impact frequencies can be realized, and meanwhile, the fluid impact splitting tests under different pressure environments can be realized, and coupling between stress-fluid pressure pulse-crack expansion is realized.
After adopting above-mentioned structure, this embodiment's beneficial effect is: this embodiment provides a infiltration hydraulic pressure system for unipolar compression test, pressure fluid is from waiting to test the test piece inside to treat test the test piece and exert the effort, need provide a confining pressure that is greater than infiltration water pressure in avoiding traditional triaxial compression test, it can be experimental under open operational environment, do not receive sheltering from of metal working bin, can realize the sound to the rock destruction in-process, light, the real-time collection of heat and deformation characteristic, and simple structure, and convenient operation, can effectually promote the development process in rock mesoscopic analysis field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A osmotic hydraulic pressure system for a uniaxial compression test is characterized in that: the device comprises a medium pressure output device (11), a four-way joint (12), a first valve (13), a second valve (14), a third valve (15), a constant pressure cylinder (16), a connecting device (17) and a pressure gauge (18); the medium pressure output device (11) is communicated with a first connecting port of the four-way joint (12) through a pipeline, the pressure gauge (18) is communicated with a second connecting port of the four-way joint (12) through a pipeline, and the pipeline is communicated with a third valve (15); the constant pressure cylinder (16) is communicated with a third connecting port of the four-way joint (12) through a pipeline, and a second valve (14) is communicated and connected on the pipeline; the connecting device (17) is communicated with a fourth connecting port of the four-way joint (12) through a pipeline, and the pipeline is communicated with a first valve (13);
the connecting device (17) is composed of a lower connecting component (1), an upper connecting component (2), a first nozzle (7) and a second nozzle (8); the test device is characterized in that the lower connecting member (1) and the upper connecting member (2) are both of a hollow structure, the upper connecting member (2) is fixed on the upper portion of the lower connecting member (1), the first nozzle (7) is inserted into the side wall of the lower connecting member (1) in a sealing mode, the inlet end of the first nozzle (7) is connected with the outlet end of a pipeline connected with the first valve (13) in a penetrating mode, the outlet end of the first nozzle (7) penetrates through the top wall of the lower connecting member (1) and then is connected with the hollow structure in the upper connecting member (2) in a penetrating mode, the second nozzle (8) is inserted into the top wall of the upper connecting member (2) in a sealing mode and is connected with the inner space in the upper connecting member (2) in a penetrating mode, and the inserted outlet end of the second nozzle (8) is arranged in a test piece (10) to be tested on the.
2. The osmotic hydraulic pressure system for uniaxial compression test as set forth in claim 1, wherein: the side wall of the lower connecting component (1) is sunken in and integrally formed with a first groove (1-1), the outlet end of a first nozzle (7) is inserted into the first groove (1-1) and is in threaded connection, and a first sealing layer (5) is embedded at the contact position of the first nozzle and the first groove.
3. The osmotic hydraulic pressure system for uniaxial compression test as set forth in claim 1, wherein: the top wall of the lower connecting component (1) is sunken and integrally formed with a second groove (1-2); a circular bulge (2-1) is integrally formed on the bottom wall of the upper connecting component (2) in a downward protruding mode, the circular bulge (2-1) is of a hollow structure and is arranged in a penetrating mode with the inner space of the upper connecting component (2), the circular bulge (2-1) is inserted into the second groove (1-2) in a threaded mode, and a second sealing layer (6) is embedded between the outer ring wall of the circular bulge (2-1) and the inner ring wall of the second groove (1-2); a second sealing ring (4) is embedded between the lower surface of the bottom wall of the circular bulge (2-1) and the upper surface of the bottom wall of the second groove (1-2).
4. The osmotic hydraulic pressure system for uniaxial compression test as set forth in claim 1, wherein: and a first sealing ring (3) is arranged at the joint of the lower connecting member (1) and the upper connecting member (2).
5. The osmotic hydraulic pressure system for uniaxial compression test as set forth in claim 1, wherein: the upper part of the upper connecting member (2) is fixedly connected with the bottom of a test piece (10) to be tested through a bonding layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271753.0U CN210533886U (en) | 2019-08-07 | 2019-08-07 | Osmotic water pressure system for uniaxial compression test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271753.0U CN210533886U (en) | 2019-08-07 | 2019-08-07 | Osmotic water pressure system for uniaxial compression test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533886U true CN210533886U (en) | 2020-05-15 |
Family
ID=70600604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921271753.0U Expired - Fee Related CN210533886U (en) | 2019-08-07 | 2019-08-07 | Osmotic water pressure system for uniaxial compression test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210533886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376070A (en) * | 2019-08-07 | 2019-10-25 | 西安建筑科技大学 | A kind of infiltration hydraulic pressure system for uniaxial compression test |
-
2019
- 2019-08-07 CN CN201921271753.0U patent/CN210533886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376070A (en) * | 2019-08-07 | 2019-10-25 | 西安建筑科技大学 | A kind of infiltration hydraulic pressure system for uniaxial compression test |
| CN110376070B (en) * | 2019-08-07 | 2024-06-07 | 西安建筑科技大学 | Osmotic water pressure system for uniaxial compression test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104535426B (en) | The triaxial stress of CT real time scans, seepage flow, chemical Coupling rheological test system | |
| CN103471923B (en) | Rapid testing machine for multi-diameter rock core hydraulic fracturing tensile strength | |
| CN103308388A (en) | Active or passive combined acoustic testing and seepage testing combined system for rock triaxial test | |
| CN103149081B (en) | Squeeze head used for rock conventional triaxial test acoustic emission test | |
| CN106370581A (en) | True triaxial shear rock mass shearing seepage test device suitable for high seepage pressure, and test method of test device | |
| CN102288480A (en) | Device for sealing triaxial test sample of soil body and method for using device | |
| CN104075855B (en) | A kind of pipe adapter leak detection apparatus | |
| CN109540769B (en) | Bending seepage test device and test method based on acoustic emission detection technology | |
| CN210533886U (en) | Osmotic water pressure system for uniaxial compression test | |
| CN206420735U (en) | A kind of rock mass true triaxial suitable for hyperosmosis shears seepage flow test device | |
| CN203324108U (en) | Active and passive combined acoustic testing and transfusive testing association system for rock triaxial test | |
| CN205605879U (en) | Hydraulic type embolism drainage pressure relief mechanism for drilling water pressure test | |
| CN110376070B (en) | Osmotic water pressure system for uniaxial compression test | |
| CN110529107A (en) | Coal seam strain, seepage flow, displacement and jet stream integrated experiment device and method | |
| CN106645432B (en) | A kind of automatic coupling sonic test system and sonic test method | |
| CN106969987B (en) | A kind of rock shearing box sealing device | |
| CN203604863U (en) | Clamp-type end-face seal pipe joint with leakage hole | |
| CN212869380U (en) | Equipment pressure compensation device | |
| CN210664904U (en) | Acoustic pipe seal detection device | |
| CN205877181U (en) | Impervious rubber seal of trigeminy formula concrete | |
| CN206095805U (en) | Hydraulic test device for testing submarine optical cable core | |
| CN218098662U (en) | Pressure-bearing performance testing device | |
| CN204359609U (en) | A kind of curtain wall fluid sealant degradation detecting device | |
| CN210243071U (en) | Vacuum degree measuring device of vacuum pipeline | |
| CN209339919U (en) | Constant-pressure water distribution device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210807 |