CN2773670Y - Pressure chamber of osmoscope - Google Patents
Pressure chamber of osmoscope Download PDFInfo
- Publication number
- CN2773670Y CN2773670Y CN 200520070501 CN200520070501U CN2773670Y CN 2773670 Y CN2773670 Y CN 2773670Y CN 200520070501 CN200520070501 CN 200520070501 CN 200520070501 U CN200520070501 U CN 200520070501U CN 2773670 Y CN2773670 Y CN 2773670Y
- Authority
- CN
- China
- Prior art keywords
- pressure
- pipeline
- pressure chamber
- water
- osmoscope
- 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
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a pressure chamber of an osmoscope. The utility model is provided with a pressure chamber water inlet line which is connected with a water inlet pipeline, a water inlet line exhaust opening, a pressure chamber drainage line which is connected with a drainage pipeline, a drainage line exhaust opening and an inlet which is connected with an ambient pressure pipeline. A shaft is arranged on one end cover, a sensor is arranged on the shaft and two perforated plates are arranged between the end cover and a base. The middles of the two perforated plates are placed with test samples, and the test samples are sheathed outside the two perforated plates and the base by soft membranes. The soft membranes are fixed at the positions of the end cover and the base by an O-shaped ring. The utility model has the advantages that by matching a soft wall osmoscope of the pressure chamber of the osmoscope, the need that an applied water head is measured at any time and place can be satisfied, precision is within 5 percent and water is controlled by a controlling valve and enters a pipeline. Pressure is regulated by an air pressure regulating valve, numerical values are displayed by a manometer and the water in the pipeline reaches the pressure which is needed in the test. The air is removed quickly for a long time, and the matching of response pressure is variable. The measured precision requirement of multitudinous water quantity is satisfied to efficiently avoid the leakage of side walls of the test samples, the back pressure saturated speed of a soil sample in a test sample chamber is quick and test time is short.
Description
Technical field
The utility model relates to a kind of osmometer pressure chamber that is used for flexible wall permeameter, flexible wall permeameter belongs to the surveying instrument technical field in order to measure infiltration coefficient.
Background technology
Prior art such as sclerine permeameter, it can't avoid sample sidewall seepage.And the soil sample back-pressure saturated velocity in the sample chamber is slow, and test period is long.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned existence, proposes the osmometer pressure chamber in a kind of flexible wall permeameter, and it can effectively avoid sample sidewall seepage.Technical solution of the present utility model: its structure is the inlet that pressure chamber's inflow hydrograph, the inflow hydrograph exhausr port that connects inlet pipeline and the pressure chamber's discharge line that is connected discharge pipe line, discharge line exhausr port is arranged and connect the confined pressure pipeline, establish axle on the end cap, axle is provided with sensor, between end cap and the pedestal two porous plates is set, put sample in the middle of the two porous plates, be enclosed within the outside of end cap and two porous plates and pedestal with flexible membrane, flexible membrane is fixed at end cap and pedestal place with O type circle.Advantage of the present utility model: the flexible wall permeameter of being furnished with osmometer pressure chamber, Hydraulic Power System in this flexible wall permeameter can satisfy in office when putting is measured the application head, and in the precision controlled 5%, have the effective measures of in the deviation of regulation, measuring water pressure.The water that is stored in the water tank enters pipeline by operation valve control, and the pressure in the voltage supply equipment can be regulated by the air pressure regulator valve, and the numerical value of controlled pressure is shown by tensimeter, guarantees that the water in the pipeline reaches needed pressure in the test.The flow measuring system volume is little, in the time of growing simultaneously, quick degasification.The cooperation that response pressure changes.Do not use the rigidity flow measuring system, satisfy the accuracy requirement that the water yield in enormous quantities is measured, segment length is ± 5% during its flow measurement.Can avoid sample sidewall seepage effectively.And the soil sample back-pressure saturated velocity in the sample chamber is fast, and test period is short.
Description of drawings
Accompanying drawing is that the utility model is applied to the example structure synoptic diagram in the flexible wall permeameter
1 ° among the figure is voltage supply equipment, the 1st, water tank, the 2nd, operation valve, the 3rd, operation valve, the 4th, operation valve, the 5th, top, pressure chamber gas exhausting valve, the 6th, enter the operation valve in the fexible film chamber, bottom, pressure chamber, the 7th, enter the operation valve in the fexible film chamber, top pressure chamber, the 8th, pressure chamber's base bleed operation valve, the 9th, the air pressure regulator valve on the confined pressure pipeline, the 10th, the air pressure regulator valve on the outlet pipeline, the 11st, the air pressure regulator valve on the inlet pipeline, the 12nd, the tensimeter on the outlet pipeline, the 13rd, the tensimeter on the inlet pipeline, the 14th, the tensimeter on the confined pressure pipeline, the 15th, the B body on the outlet pipeline becomes pipe, the 16th, the C body on the inlet pipeline becomes pipe, the 17th, the draining valve on the outlet pipeline, the 18th, the draining valve on the inlet pipeline, the 19th, inlet pipeline, the 20th, outlet pipeline, the 21st, the pressure chamber, the 22nd, axle, the 23rd, end cap, the 24th, porous plate, the 25th, sample, the 26th, pedestal, the 27th, the confined pressure pipeline.Operation valve in above-mentioned, air pressure regulator valve, voltage supply equipment are prior art.
Embodiment
The contrast accompanying drawing, its structure is the inlet that pressure chamber's inflow hydrograph, the inflow hydrograph exhausr port that connects inlet pipeline 19 and the pressure chamber's discharge line that is connected discharge pipe line 20, discharge line exhausr port is arranged and connect confined pressure pipeline 27, establish axle 22 on the end cap 23, axle 22 is provided with sensor, between end cap 23 and the pedestal 26 two porous plates 24 is set, put sample 25 in the middle of the two porous plates 24, be enclosed within the outside of end cap 23 and two porous plates 24 and pedestal 26 with flexible membrane, flexible membrane is fixed at end cap 23 and pedestal 26 places with O type circle.During work, after sample installed, fills with water in the pressure chamber, with pressure chamber's sealing, behind the bubble in inflow hydrograph exhaust and discharge line exhaust eliminating pipeline and the sample, apply confined pressure simultaneously then, intake pressure and discharge pressure make the pressure requirement that reaches in the test.By the variation that the strain transducer that is installed on the axle is measured sample thickness, provide the data of thickness for the calculating of infiltration coefficient.Use fluid-tight a, rigid end cap and pedestal to support sample, be delivered to sample for liquid stabilising simultaneously or row provides support from sample.The diameter of end cap and pedestal or width accuracy are ± 5%.
Connection confined pressure pipeline 27, discharge pipe line 20, inlet pipeline 19 are to pass through operation valve 4,7,6 respectively, being connected in series tensimeter 14, air pressure regulator valve 9,1 ° of voltage supply equipment and B body on confined pressure pipeline 27 and discharge pipe line 20 and the inlet pipeline 19 respectively becomes pipe 15, tensimeter 12, air pressure regulator valve 10,1 ° of voltage supply equipment and C body and becomes 1 ° of pipe 16, tensimeter 13, air pressure regulator valve 11, voltage supply equipment, the water delivering orifice of air pressure regulator valve 11 water receiving casees 1.
The water that is stored in the water tank enters pipeline by operation valve control, and the pressure in the voltage supply equipment is by the regulating action of air pressure regulator valve, and comes the numerical value of controlled pressure by tensimeter, can make the water in the pipeline reach needed pressure in the test.In office when putting measure to be used head and precision in 5%, has the measure of measuring water pressure in the deviation of regulation, and pressure chamber's head, water inlet head and water outlet head are provided, and constant head or varying head are provided.Have the ability to keep flow mobility scale through sample in ± 5%, the mensuration of flow can be by the pipette or the adaptive instrument of other precision of band scale.Become liquid level variation in the pipe 16,15 by C, B body, can read the amount of inlet water and the water outlet water yield.The flow measuring system volume is little, in the time of growing, fast degasification.The cooperation that response pressure changes.Without the rigidity flow measuring system, use rigid pipe such as metal tube or hard plastic tube one class.Satisfy the accuracy requirement that the water yield in enormous quantities is measured, segment length is ± 5% during its flow measurement.
Claims (2)
1, osmometer pressure chamber, it is characterized in that having pressure chamber's inflow hydrograph of connection inlet pipeline (19), inflow hydrograph exhausr port and the pressure chamber's discharge line that is connected discharge pipe line (20), the inlet of discharge line exhausr port and connection confined pressure pipeline (27), establish axle (22) on the end cap (23), axle (22) is provided with sensor, between end cap (23) and the pedestal (26) two porous plates (24) is set, put sample (25) in the middle of the two porous plates (24), be enclosed within the outside of end cap (23) and two porous plates (24) and pedestal (26) with flexible membrane, flexible membrane is located to be fixed at end cap (23) and pedestal (26) with O type circle.
2, osmometer pressure chamber according to claim 1, it is characterized in that connecting confined pressure pipeline (27), discharge pipe line (20), inlet pipeline (19) is respectively by operation valve (4,7,6), be connected in series tensimeter (14) respectively on confined pressure pipeline (27) and discharge pipe line (20) and the inlet pipeline (19), air pressure regulator valve (9), voltage supply equipment (1 °) and B body become pipe (15), tensimeter (12), air pressure regulator valve (10), voltage supply equipment (1 °) and C body become pipe (16), tensimeter (13), air pressure regulator valve (11), voltage supply equipment (1 °), the water delivering orifice of air pressure regulator valve (11) water receiving case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070501 CN2773670Y (en) | 2005-04-07 | 2005-04-07 | Pressure chamber of osmoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070501 CN2773670Y (en) | 2005-04-07 | 2005-04-07 | Pressure chamber of osmoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773670Y true CN2773670Y (en) | 2006-04-19 |
Family
ID=36708934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520070501 Expired - Fee Related CN2773670Y (en) | 2005-04-07 | 2005-04-07 | Pressure chamber of osmoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2773670Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603913B (en) * | 2009-06-30 | 2011-03-16 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Device and method for testing permeability coefficient of cement soil |
| CN102680374A (en) * | 2012-05-25 | 2012-09-19 | 中国地质大学（武汉） | Test device for determining non-saturated soil osmotic parameter |
| CN102944506A (en) * | 2012-11-21 | 2013-02-27 | 中国建材检验认证集团苏州有限公司 | Impervious instrument for detecting water-proof materials |
| CN115561135A (en) * | 2021-12-01 | 2023-01-03 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
-
2005
- 2005-04-07 CN CN 200520070501 patent/CN2773670Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603913B (en) * | 2009-06-30 | 2011-03-16 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Device and method for testing permeability coefficient of cement soil |
| CN102680374A (en) * | 2012-05-25 | 2012-09-19 | 中国地质大学（武汉） | Test device for determining non-saturated soil osmotic parameter |
| CN102680374B (en) * | 2012-05-25 | 2013-12-11 | 中国地质大学（武汉） | Test device for determining non-saturated soil osmotic parameter |
| CN102944506A (en) * | 2012-11-21 | 2013-02-27 | 中国建材检验认证集团苏州有限公司 | Impervious instrument for detecting water-proof materials |
| CN115561135A (en) * | 2021-12-01 | 2023-01-03 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
| CN115561135B (en) * | 2021-12-01 | 2024-01-30 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |