CN112816383A - Permeameter - Google Patents
Permeameter Download PDFInfo
- Publication number
- CN112816383A CN112816383A CN202011581181.3A CN202011581181A CN112816383A CN 112816383 A CN112816383 A CN 112816383A CN 202011581181 A CN202011581181 A CN 202011581181A CN 112816383 A CN112816383 A CN 112816383A
- Authority
- CN
- China
- Prior art keywords
- water flow
- box
- water
- water inlet
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 178
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000004575 stone Substances 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000012360 testing method Methods 0.000 abstract description 23
- 239000002689 soil Substances 0.000 abstract description 19
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 14
- 230000008595 infiltration Effects 0.000 description 9
- 238000001764 infiltration Methods 0.000 description 9
- 230000035515 penetration Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to the technical field of soil permeability test equipment, in particular to a permeameter which comprises an instrument base, wherein a permeable stone is connected to the instrument base, an instrument cover plate is connected to the upper part of the instrument base, and a sealing assembly is arranged between the instrument cover plate and the instrument base; the water inlet is formed in the instrument base, the water inlet is communicated with a water inlet pipe in a relative mode, a pressure stabilizing device is arranged between the water inlet pipe and the water inlet and comprises a water flow pressure stabilizing box and a first compressed air machine communicated with the water flow pressure stabilizing box, one side of the water flow pressure stabilizing box is communicated with the water inlet in a relative mode, and the other side of the water flow pressure stabilizing box is communicated with the water inlet pipe in a relative mode. This application has the effect that improves the stability of the experimental water pressure of permeameter.
Description
Technical Field
The application relates to the technical field of soil permeability test equipment, in particular to a permeameter.
Background
The soil permeameter can be used for testing the permeability of the clay soil under a variable water head, and can effectively confirm the problems of water, impurities and the like of the soil.
The existing soil permeameter mainly comprises an upper cover, a base, a sleeve seat, a screw and a water inlet pipe, wherein the upper cover is fixed on the base, a water outlet hole is formed in the upper cover, a water inlet hole is formed in the base, the sleeve seat comprises a cross beam and a vertical rod which are vertically connected with each other, and the vertical rod is fixed on the base; the screw rod is connected on the crossbeam of cover seat, and the screw rod bottom pushes up on the upper cover, and the inlet tube is connected with the inlet opening of upper cover. Above-mentioned soil permeameter during operation places the soil sample in the base, and in the base was injected with water through the water pressure of inlet tube, rivers flowed from the apopore behind the soil sample, and the relation between the water pressure through flow and inlet tube reachs soil permeability.
In view of the above-mentioned related art, the inventor believes that the water inlet pipe is generally directly connected to a water tap in a laboratory, and the water pressure of the water tap is unstable, thereby causing poor test effect of the permeameter.
Disclosure of Invention
In order to improve the stability of the experimental water pressure of permeameter, this application provides a permeameter.
The application provides a permeameter adopts following technical scheme:
a permeameter comprises an instrument base, a permeable stone is connected to the instrument base, an instrument cover plate is connected to the upper portion of the instrument base, and a sealing assembly is arranged between the instrument cover plate and the instrument base; the water inlet is formed in the instrument base, the water inlet is communicated with a water inlet pipe in a relative mode, a pressure stabilizing device is arranged between the water inlet pipe and the water inlet and comprises a water flow pressure stabilizing box and a first compressed air machine communicated with the water flow pressure stabilizing box, one side of the water flow pressure stabilizing box is communicated with the water inlet in a relative mode, and the other side of the water flow pressure stabilizing box is communicated with the water inlet pipe in a relative mode.
Through adopting above-mentioned technical scheme, communicate rivers pressure stabilizing box and water inlet relatively, lead to water through the inlet tube to rivers pressure stabilizing box, restart first compressed air machine to the pressure stabilizing box of rivers is filled into compressed air to the pressure value of the compressed air that fills in, and through adjusting the pressure value of inflating, adjust the water pressure value of the flow direction water inlet rivers in the rivers pressure stabilizing box, thereby make the water pressure that flows into water inlet rivers more steady, and then improved the accuracy of infiltration appearance test result.
Optionally, a buffer device is arranged on one side of the water flow pressure stabilizing box, the buffer device comprises a water flow buffer box and a second compressed air machine communicated with the water flow buffer box, the water flow buffer box is communicated with the water flow pressure stabilizing box, and the water flow buffer box is communicated with the water inlet pipe.
Through adopting above-mentioned technical scheme, lead to water in earlier to the rivers baffle-box through the inlet tube, the second compressed air machine that restarts is filled compressed air into the rivers baffle-box to through the pressure value of adjusting the compressed air that fills, adjust the water pressure value of the rivers of rivers baffle-box flow direction rivers surge tank, thereby make and stably flow in the rivers surge tank the water source, and then be convenient for more adjust the water pressure that rivers surge tank flowed in water inlet rivers, improved the accuracy of infiltration appearance test result.
Optionally, a connecting pipe is arranged between the water flow buffer tank and the water flow pressure stabilizing tank, one end of the connecting pipe is communicated with the water flow buffer tank, the other end of the connecting pipe is communicated with the water flow pressure stabilizing tank, and a one-way valve is connected to the connecting pipe.
Through adopting above-mentioned technical scheme, through connecting pipe with rivers pressure stabilizing box and rivers baffle-box intercommunication, open the check valve for rivers in the rivers baffle-box flow into in the rivers pressure stabilizing box through the connecting pipe, and even when the pressure in the rivers pressure stabilizing box appears too big, rivers in the rivers pressure stabilizing box also can not flow back to in the rivers baffle-box through the connecting pipe, thereby guarantee that the water pressure in the rivers pressure stabilizing box can remain stable, and then improved the accuracy of infiltration appearance test result.
Optionally, be connected with the air pressure adjusting part on the rivers baffle-box, the air pressure adjusting part includes elasticity clean shot and pressure regulating pipe, and the one end and the elasticity clean shot intercommunication of pressure regulating pipe, the other end and the rivers baffle-box intercommunication of pressure regulating pipe.
Through adopting above-mentioned technical scheme, when rivers baffle-box internal gas pressure is great, the air in the rivers baffle-box can get into in the elasticity hollow ball through the pressure regulating pipe to cushion and adjust the atmospheric pressure of rivers baffle-box, make the atmospheric pressure in the rivers baffle-box keep steady, thereby make and stably flow in the rivers surge-box the water source, and then be convenient for more adjust the water pressure that rivers surge-box flowed in water inlet rivers, improved the accuracy of infiltration appearance test result.
Optionally, the two pressure regulating pipes are provided, the two pressure regulating pipes are connected with pressure limiting valves, and the two pressure limiting valves are in one-way conduction and opposite in conduction direction.
Through adopting above-mentioned technical scheme, two pressure regulating pipes are one-way conduction, when rivers baffle-box internal gas pressure is higher, make the atmospheric pressure in the rivers baffle-box through a pressure regulating pipe arrange to the hollow ball of elasticity in, after the atmospheric pressure in the rivers baffle-box resumes steadily, the atmospheric pressure in the hollow ball of elasticity is pressed the pipe through the other end and is got back to in the rivers baffle-box, thereby make the atmospheric pressure in the rivers baffle-box can not take place great fluctuation, and then improved hydraulic stability.
Optionally, be provided with between rivers pressure stabilizing box and the water inlet and survey buret, survey the vertical setting of buret, survey the bottom and rivers pressure stabilizing box intercommunication of buret, survey buret and water inlet and communicate relatively.
Through adopting above-mentioned technical scheme, with rivers surge tank and survey buret intercommunication for rivers in the rivers surge tank flow into in the survey buret from the bottom of surveying the buret, and carry out soil penetration test in flowing into the inlet through surveying the buret, thereby be convenient for through the liquid level difference of observing survey buret, judge experimental water consumption, and then improved the accuracy of test result.
Optionally, the measuring tube is connected with a switch valve, and the switch valve is located at the bottom end of the measuring tube.
Through adopting above-mentioned technical scheme, rivers in the rivers surge tank flow into the measuring tube from the bottom of surveying the pipe after in, turn-off the ooff valve for the water level in the measuring tube keeps stable, lets in the water inlet with the water in the measuring tube again, thereby is convenient for observe the change condition of the water level in the measuring tube, and then control experimental water consumption, has improved the accuracy of test result.
Optionally, the measuring tube is provided with a scale in the vertical direction.
Through adopting above-mentioned technical scheme, length direction along surveying buret sets up the scale, is convenient for read the liquid level numerical value of the intraductal liquid of survey earlier, lets in the inlet with the water of survey intraductal again, carries out soil penetration test, after experimental the end, reads the liquid level numerical value of survey intraductal through the scale once more to calculate the liquid level difference of twice liquid level numerical value, thereby be convenient for obtain this experimental water consumption of infiltration appearance, and then be convenient for acquire accurate test data.
Optionally, the sealing assembly comprises a sealing cylinder and a sealing ring, the sealing cylinder is vertically arranged and placed on the instrument base, a permeable stone is fixedly connected in the sealing ring, and the sealing ring is connected to the top end of the sealing cylinder.
Through adopting above-mentioned technical scheme, will seal a section of thick bamboo and vertically place on the instrument base, use through sealed section of thick bamboo and sealing ring and cooperation, increased soil permeameter's leakproofness effectively, reduced the loss of soil permeameter moisture, increased the accuracy of operating mass and data, the installation dismantlement of sealing ring and sealed section of thick bamboo is simple convenient simultaneously, has not only saved the time, has reduced the work degree of difficulty, has increased work efficiency and economic benefits simultaneously.
Optionally, a limiting groove is formed in the top surface of the sealing barrel, a limiting block is fixedly connected to the bottom end of the sealing ring, and the limiting groove is matched with the limiting block for use.
Through adopting above-mentioned technical scheme, insert the stopper in the spacing groove, improved the compactness of being connected between sealed section of thick bamboo and the sealing ring to increased soil permeameter's leakproofness effectively, reduced the loss of soil permeameter moisture, increased the accuracy of operating mass and data.
To sum up, this application includes following at least one kind infiltration appearance beneficial technological effect:
the pressure stabilizing device and the buffer device are matched for use, so that the water pressure of water flowing into the water inlet is more stable, and the accuracy of the test result of the permeameter is improved;
the cooperation of survey buret and ooff valve is used, is convenient for observe the change condition of the intraductal water level of survey, and then control experimental water consumption, has improved the accuracy of test result.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
fig. 2 is a schematic view, partly in section, intended to show a sealing assembly.
Description of reference numerals: 1. an instrument base; 11. a permeable stone; 12. a water inlet; 2. an instrument cover plate; 3. a seal assembly; 31. a sealing cylinder; 311. a limiting groove; 32. a seal ring; 321. a limiting block; 4. a voltage stabilizing assembly; 41. a water flow pressure stabilizing box; 42. a first compressed air machine; 5. a buffer device; 51. a water flow buffer tank; 52. a second compressed air machine; 6. a connecting pipe; 61. a one-way valve; 7. an air pressure regulating assembly; 71. elastic hollow spheres; 72. a pressure regulating pipe; 721. a pressure limiting valve; 8. a measurement tube; 81. a graduated scale; 82. an on-off valve; 9. and (4) a water inlet pipe.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, the embodiment of the application discloses a permeameter, which comprises an instrument base 1, wherein an instrument cover plate 2 is connected to the instrument base 1, and a sealing component 3 is arranged between the instrument cover plate 2 and the instrument base 1; the instrument base 1 is relatively communicated with a water inlet pipe 9, and a buffer device 5 and a pressure stabilizing device are sequentially arranged between the water inlet pipe 9 and the instrument base 1.
During the use, lead to water in to buffer 5 through inlet tube 9, during rivers steadily flowed into the pressure stabilizing device after buffer 5, rethread pressure stabilizing device stabilized water pressure to among the rivers leading-in instrument base 1 after with the steady voltage, and carry out soil penetration test, thereby improve the accuracy of infiltration appearance test result.
Referring to fig. 2, a permeable stone 11 is connected in the instrument base 1, and a water inlet 12 is arranged on the instrument base 1. The sealing assembly 3 comprises a sealing barrel 31 and a sealing ring 32, the sealing barrel 31 is a hollow barrel-shaped structure with two open ends, the sealing barrel 31 is vertically arranged, the sealing barrel 31 is placed on the instrument base 1, a limiting groove 311 is formed in the top end of the sealing barrel 31, the cross section of the limiting groove 311 is circular, the sealing ring 32 is horizontally arranged, the permeable stone 11 is connected in the sealing ring 32, a limiting block 321 is fixedly connected to the bottom end of the sealing ring 32, the cross section of the limiting block 321 is circular, and the limiting groove 311 is matched with the limiting block 321 for use.
During the use, insert stopper 321 in the spacing groove 311 for sealing ring 32 and sealed cylinder 31 closely laminate, improved the leakproofness of infiltration appearance.
Referring to fig. 1, the buffer assembly includes a water flow buffer box 51 and a second compressed air machine 52, the water flow buffer box 51 is a sealed box structure, one end of the water inlet pipe 9 is connected with a water source, the other end of the water inlet pipe extends into the water flow buffer box 51 and is communicated with the water flow buffer box 51, the second compressed air machine 52 is communicated with the water flow buffer box 51 through a pipeline, and the pipeline of the second compressed air extends into the water flow buffer box 51 through the top surface of the water flow buffer box 51.
Referring to fig. 1, be connected with air pressure adjusting assembly 7 on the rivers baffle-box 51, air pressure adjusting assembly 7 includes hollow elastic ball 71 and pressure regulating pipe 72, hollow spherical structure that hollow elastic ball 71 was made for adopting elastic material, pressure regulating pipe 72 is vertical to be provided with two side by side, the top of two pressure regulating pipes 72 all communicates with hollow elastic ball 71, the top surface and the rivers baffle-box 51 intercommunication that rivers baffle-box 51 were passed to the bottom of two pressure regulating pipes 72, be connected with pressure limiting valve 721 on two pressure regulating pipes 72, two pressure limiting valves 721 are the valve of one-way conduction, and the opposite direction that switches on of two pressure limiting valves 721.
During the use, earlier logical water in to rivers baffle-box 51 through inlet tube 9, restart second compressed air machine 52, to filling compressed air in the rivers baffle-box 51, and through adjusting the pressure value of the compressed air who fills, adjust the water pressure value in the rivers baffle-box 51, simultaneously when rivers baffle-box 51 internal gas pressure is great, the air in the rivers baffle-box 51 can get into in the elasticity clean shot 71 through pressure regulating pipe 72, thereby cushion and adjust the atmospheric pressure of rivers baffle-box 51, make the atmospheric pressure in the rivers baffle-box 51 keep steadily.
Referring to fig. 1, the pressure stabilizing assembly 4 includes a water flow pressure stabilizing box 41 and a first compressed air machine 42, the water flow pressure stabilizing box 41 is of a sealed box structure, a connecting pipe 6 is arranged between the water flow pressure stabilizing box 41 and the water flow buffer box 51, the connecting pipe 6 is horizontally arranged, one end of the connecting pipe 6 is communicated with the water flow buffer box 51, the other end of the connecting pipe is communicated with the water flow pressure stabilizing box 41, the connecting pipe 6 is arranged near the bottom of the water flow pressure stabilizing box 41, a one-way valve 61 is connected on the connecting pipe 6, the first compressed air machine 42 is communicated with the water flow pressure stabilizing box 41 through a pipeline, and the pipeline of the first compressed air extends into the water flow pressure.
During the use, water in the rivers surge tank 51 flows into in the rivers surge tank 41 through connecting pipe 6, and because be provided with check valve 61 on the connecting pipe 6, make water in the rivers surge tank 41 can not flow back to in the rivers surge tank 51 through connecting pipe 6, start first compressed air machine 42 simultaneously, to filling compressed air in the rivers surge tank 41, and through adjusting the pressure value of the compressed air who fills, come the water pressure value of the flow direction water inlet 12 rivers in the regulation rivers surge tank 41, thereby make the water pressure of inflow water inlet 12 rivers more steady.
Referring to fig. 1, rivers surge tank 41 has survey buret 8 through the pipeline intercommunication, survey buret 8 and be the hollow tubular structure that both ends were sealed, survey 8 vertical settings of buret, survey buret 8 and be equipped with the scale along vertical direction mark, the pipeline of rivers surge tank 41 stretch into survey 8's bottom and with survey buret 8 intercommunication, the cover is equipped with ooff valve 82 on surveying buret 8, ooff valve 82 is close to surveying 8 bottom settings, through the pipeline intercommunication between survey buret 8 and the water inlet 12, the pipeline of surveying 8 and water inlet 12 intercommunication is located ooff valve 82 top.
During the use, pass through the pipeline intercommunication with rivers surge tank 41 and survey buret 8, make rivers in the rivers surge tank 41 flow into in surveying buret 8 from the bottom of surveying buret 8, when the water yield of surveying buret 8 reachs a take the altitude, turn-off valve 82, make the water level in surveying buret 8 remain stable, and read the liquid level numerical value this moment through scale 81 on surveying buret 8, water in surveying buret 8 lets in water inlet 12 again, carry out soil penetration test, after experimental the end, read the liquid level numerical value in surveying buret 8 through scale 81 once more, and calculate twice liquid level numerical value's liquid level difference, thereby be convenient for obtain this experimental water consumption of infiltration appearance, and then be convenient for acquire accurate test data.
The implementation principle of a permeameter in the embodiment of the application is as follows: the limiting block 321 is inserted into the limiting groove 311, so that the sealing ring 32 is tightly attached to the sealing cylinder 31, and the sealing performance of the whole permeameter is ensured; firstly, water is led into the water flow buffer box 51 through the water inlet pipe 9, the second compressed air machine 52 is started, compressed air is filled into the water flow buffer box 51, the pressure value of the filled compressed air is adjusted, the water pressure value in the water flow buffer box 51 is adjusted, meanwhile, when the air pressure in the water flow buffer box 51 is large, the air in the water flow buffer box 51 can enter the elastic hollow ball 71 through the pressure adjusting pipe 72, the air pressure of the water flow buffer box 51 is buffered and adjusted, and the air pressure in the water flow buffer box 51 is kept stable. The water in the water flow buffer box 51 flows into the water flow buffer box 41 through the connecting pipe 6, and because the connecting pipe 6 is provided with the one-way valve 61, the water in the water flow buffer box 41 can not flow back into the water flow buffer box 51 through the connecting pipe 6, simultaneously, the first compressed air machine 42 is started, compressed air is filled into the water flow buffer box 41, the water pressure value of the water flow flowing to the water inlet 12 in the water flow buffer box 41 is adjusted by adjusting the pressure value of the filled compressed air, so that the water pressure of the water flow flowing out of the water flow buffer box 41 is more stable, finally, the water flow buffer box 41 is communicated with the measuring pipe 8 through a pipeline, the water flow in the water flow buffer box 41 flows into the measuring pipe 8 from the bottom end of the measuring pipe 8, when the water volume of the measuring pipe 8 reaches a certain height, the switch valve 82 is switched off, so that the water level in the measuring pipe 8 is kept stable, and the liquid level, and then the water in the measuring pipe 8 is introduced into the water inlet 12 to carry out soil penetration test, after the test is finished, the liquid level value in the measuring pipe 8 is read again through the graduated scale 81, and the liquid level difference of the liquid level value is calculated twice, so that the water consumption for the penetration meter test is convenient to obtain, and accurate test data are convenient to obtain.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A permeameter, comprising: the device comprises an instrument base (1), a permeable stone (11) is connected to the instrument base (1), an instrument cover plate (2) is connected to the upper portion of the instrument base (1), and a sealing assembly (3) is arranged between the instrument cover plate (2) and the instrument base (1); the water inlet (12) is formed in the instrument base (1), the water inlet (12) is relatively communicated with the water inlet pipe (9), the pressure stabilizing device is arranged between the water inlet pipe (9) and the water inlet (12), the pressure stabilizing device comprises a water flow pressure stabilizing box (41) and a first compressed air machine (42) communicated with the water flow pressure stabilizing box (41), one side of the water flow pressure stabilizing box (41) is relatively communicated with the water inlet (12), and the other side of the water flow pressure stabilizing box (41) is relatively communicated with the water inlet pipe (9).
2. A permeameter according to claim 1, wherein: one side of the water flow pressure stabilizing box (41) is provided with a buffer device (5), the buffer device (5) comprises a water flow buffer box (51) and a second compressed air machine (52) communicated with the water flow buffer box (51), the water flow buffer box (51) is communicated with the water flow pressure stabilizing box (41), and the water flow buffer box (51) is communicated with the water inlet pipe (9).
3. A permeameter according to claim 2, wherein: a connecting pipe (6) is arranged between the water flow buffer tank (51) and the water flow pressure stabilizing tank (41), one end of the connecting pipe (6) is communicated with the water flow buffer tank (51), the other end of the connecting pipe is communicated with the water flow pressure stabilizing tank (41), and a one-way valve (61) is connected to the connecting pipe (6).
4. A permeameter according to claim 3, wherein: the water flow buffer box (51) is connected with an air pressure adjusting assembly (7), the air pressure adjusting assembly (7) comprises an elastic hollow ball (71) and a pressure adjusting pipe (72), one end of the pressure adjusting pipe (72) is communicated with the elastic hollow ball (71), and the other end of the pressure adjusting pipe (72) is communicated with the water flow buffer box (51).
5. A permeameter according to claim 4, wherein: the two pressure regulating pipes (72) are arranged, the two pressure regulating pipes (72) are connected with pressure limiting valves (721), and the two pressure limiting valves (721) are in one-way conduction and opposite in conduction direction.
6. A permeameter according to claim 1, wherein: be provided with between rivers pressure stabilizing box (41) and water inlet (12) and survey buret (8), survey the vertical setting of buret (8), survey the bottom and rivers pressure stabilizing box (41) intercommunication of buret (8), survey buret (8) and water inlet (12) and communicate relatively.
7. A permeameter according to claim 6, wherein: be connected with ooff valve (82) on surveying buret (8), ooff valve (82) are located the bottom of surveying buret (8).
8. A permeameter according to claim 6, wherein: the measuring pipe (8) is provided with a graduated scale (81) along the vertical direction.
9. A permeameter according to claim 1, wherein: the sealing assembly (3) comprises a sealing cylinder (31) and a sealing ring (32), the sealing cylinder (31) is vertically arranged and placed on the instrument base (1), a permeable stone (11) is fixedly connected in the sealing ring (32), and the sealing ring (32) is connected to the top end of the sealing cylinder (31).
10. A permeameter according to claim 9, wherein: the top surface of the sealing cylinder (31) is provided with a limiting groove (311), the bottom end of the sealing ring (32) is fixedly connected with a limiting block (321), and the limiting groove (311) is matched with the limiting block (321) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581181.3A CN112816383A (en) | 2020-12-28 | 2020-12-28 | Permeameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581181.3A CN112816383A (en) | 2020-12-28 | 2020-12-28 | Permeameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112816383A true CN112816383A (en) | 2021-05-18 |
Family
ID=75854207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011581181.3A Pending CN112816383A (en) | 2020-12-28 | 2020-12-28 | Permeameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112816383A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285754A (en) * | 2008-05-14 | 2008-10-15 | 浙江大学 | Integral permeability testing machine for self circulation measuring for perpendicular and horizontal permeability coefficient |
| CN101526517A (en) * | 2009-04-01 | 2009-09-09 | 青海省水利水电科学研究所 | High-pressure penetration deformation testing method of reservoir grit stone dam materials |
| CN102252876A (en) * | 2011-06-13 | 2011-11-23 | 浙江省农业科学院 | Buffer type soil gas sampling device |
| CN202256113U (en) * | 2011-10-18 | 2012-05-30 | 师旭超 | Experimental container for detecting infiltration and solidification of soil body |
| CN203375411U (en) * | 2013-06-21 | 2014-01-01 | 周玉龙 | Immediate balancing technology for internal air pressure and external air pressure of lamp with sealed structure |
| CN103938674A (en) * | 2014-03-31 | 2014-07-23 | 新余市银龙机电科技有限公司 | Remote monitoring stable voltage compensation non-negative-pressure water supply device |
| CN206440424U (en) * | 2016-12-27 | 2017-08-25 | 新乡航空工业(集团)有限公司 | The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization |
| CN107366333A (en) * | 2017-08-24 | 2017-11-21 | 浙江南方智慧水务有限公司 | Continuous energy type pipe network Pressure-superposed water supply equipment |
| CN107957233A (en) * | 2017-12-18 | 2018-04-24 | 江苏苏博特新材料股份有限公司 | A kind of apparatus and method that concrete self-shrinkage is tested under temperature match curing conditions |
| CN108279199A (en) * | 2018-04-18 | 2018-07-13 | 中国科学院武汉岩土力学研究所 | A kind of high stress consolidation apparatus device |
| CN207891961U (en) * | 2018-01-31 | 2018-09-21 | 上源智慧水务（深圳）有限公司 | Squelch type is without negative-pressure intelligent supply equipment |
| CN110687028A (en) * | 2019-10-09 | 2020-01-14 | 中铁十九局集团轨道交通工程有限公司 | Testing device and testing method for water permeability resistance of high-performance concrete |
| CN110825128A (en) * | 2019-10-28 | 2020-02-21 | 江苏大学 | Pressure stabilizing system for detecting leakage of valve |
| CN210464782U (en) * | 2019-11-08 | 2020-05-05 | 嘉兴威盾工程检测有限公司 | Fire control water supply facility detection mechanism with pressure device |
-
2020
- 2020-12-28 CN CN202011581181.3A patent/CN112816383A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285754A (en) * | 2008-05-14 | 2008-10-15 | 浙江大学 | Integral permeability testing machine for self circulation measuring for perpendicular and horizontal permeability coefficient |
| CN101526517A (en) * | 2009-04-01 | 2009-09-09 | 青海省水利水电科学研究所 | High-pressure penetration deformation testing method of reservoir grit stone dam materials |
| CN102252876A (en) * | 2011-06-13 | 2011-11-23 | 浙江省农业科学院 | Buffer type soil gas sampling device |
| CN202256113U (en) * | 2011-10-18 | 2012-05-30 | 师旭超 | Experimental container for detecting infiltration and solidification of soil body |
| CN203375411U (en) * | 2013-06-21 | 2014-01-01 | 周玉龙 | Immediate balancing technology for internal air pressure and external air pressure of lamp with sealed structure |
| CN103938674A (en) * | 2014-03-31 | 2014-07-23 | 新余市银龙机电科技有限公司 | Remote monitoring stable voltage compensation non-negative-pressure water supply device |
| CN206440424U (en) * | 2016-12-27 | 2017-08-25 | 新乡航空工业(集团)有限公司 | The adjustable pneumatic back pressure system of secondary voltage-regulation voltage-stabilization |
| CN107366333A (en) * | 2017-08-24 | 2017-11-21 | 浙江南方智慧水务有限公司 | Continuous energy type pipe network Pressure-superposed water supply equipment |
| CN107957233A (en) * | 2017-12-18 | 2018-04-24 | 江苏苏博特新材料股份有限公司 | A kind of apparatus and method that concrete self-shrinkage is tested under temperature match curing conditions |
| CN207891961U (en) * | 2018-01-31 | 2018-09-21 | 上源智慧水务（深圳）有限公司 | Squelch type is without negative-pressure intelligent supply equipment |
| CN108279199A (en) * | 2018-04-18 | 2018-07-13 | 中国科学院武汉岩土力学研究所 | A kind of high stress consolidation apparatus device |
| CN110687028A (en) * | 2019-10-09 | 2020-01-14 | 中铁十九局集团轨道交通工程有限公司 | Testing device and testing method for water permeability resistance of high-performance concrete |
| CN110825128A (en) * | 2019-10-28 | 2020-02-21 | 江苏大学 | Pressure stabilizing system for detecting leakage of valve |
| CN210464782U (en) * | 2019-11-08 | 2020-05-05 | 嘉兴威盾工程检测有限公司 | Fire control water supply facility detection mechanism with pressure device |
Non-Patent Citations (1)
| Title |
|---|
| 郦能惠 等: "恒压渗透仪的研制与土工织物的淤堵试验", 大坝观测与土工测, vol. 17, no. 4, pages 35 - 39 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204789161U (en) | A one -dimensional consolidation apparatus for testing soil body consolidation deformation and osmotic coefficient | |
| CN106771615B (en) | A kind of soil body electrical conductance and permeability multipurpose test system and test method | |
| CN104677804A (en) | Batch determinator for soil saturated water conductivity of automatic flow-control constant head with float ball and lever | |
| CN204461966U (en) | Floating ball lever automatic flow control determines head saturated hydraulic conductivity in soil batch analyzer | |
| KR20070000122U (en) | Constant head Permeability Laboratory Test Apparatus for Porous Asphalt Pavements | |
| CN104807508B (en) | A kind of experimental teaching is with the digital indication flow meter and measuring method shown with pressure-measuring pipe | |
| CN109060631B (en) | A kind of varying head permeability coefficient measuring system and measurement method | |
| CN208736779U (en) | A kind of tri-coupling type saturation cohesive soil constant head seepage flow test device | |
| Dixon | Design and use of closed‐top infiltrometers | |
| CN205981916U (en) | Controllable rock lateral restraint expansion rate survey device of side direction confined pressure | |
| CN112816383A (en) | Permeameter | |
| CN2718706Y (en) | Self-circulating darcy law experimental instrument | |
| CN205103133U (en) | Bentonite infiltration coefficient measurement appearance | |
| US3023606A (en) | Method and apparatus for the determination of the gas-liquid effective permeabilityratio of core samples | |
| CN101251465A (en) | Instrument for measuring drill core permeability rate in simulated formation surroundings | |
| CN206618662U (en) | Novel experimental simulating test device | |
| CN106168715A (en) | The assay method of liquid crystal injection rate of display floater, Apparatus and system | |
| CN206710263U (en) | A kind of infiltrative test instrument for studying soil | |
| CN212410387U (en) | Imbibition experimental device for simulating formation pressure condition | |
| CN210401006U (en) | Device for preparing saturated dissolved oxygen water | |
| CN109357974B (en) | Device and method for measuring migration resistance of single bubble in pore | |
| CN112611696A (en) | Penetrating fluid collection device and soil cement penetration test system | |
| CN113376075A (en) | Unsaturated soil one-dimensional water-gas two-phase seepage test device | |
| CN216560596U (en) | Flotation oil test device | |
| CN205352495U (en) | Flow measuring device of rock core displacement experiment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |