CN207133161U - Permeability experimental facility - Google Patents
Permeability experimental facility Download PDFInfo
- Publication number
- CN207133161U CN207133161U CN201721124961.9U CN201721124961U CN207133161U CN 207133161 U CN207133161 U CN 207133161U CN 201721124961 U CN201721124961 U CN 201721124961U CN 207133161 U CN207133161 U CN 207133161U
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- liquid level
- experimental facility
- modules
- permeability experimental
- cutting ring
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Abstract
The utility model provides a kind of permeability experimental facility, can be simultaneously to three soil sample expansion experiments, and test result can be sent into laboratory technician at once after the completion of test without human attendance in experimentation, it is characterised in that including:Three test sample units, each test sample unit include:Cutting ring, contain liquid device, liquid level sensor and soil sample supporting table;Base unit, comprising:Bearing tray, connecting tube, level(l)ing bubble;Processor, comprising:Three acquisition modules, three timing modules, communication modules, three acquisition modules are connected with three liquid level sensors, gather corresponding water level information respectively, three timing modules are connected with three acquisition modules, record time of penetration information respectively, and communication module is sent information on the mobile terminal held to laboratory technician in the form of short message.
Description
Technical field
The utility model belongs to centrifugal modeling apparatus field, and in particular to a kind of permeability experimental facility.
Background technology
Soil permeability coefficient is also known as hydraulic conductivity, and in isotropic medium, it is defined as under specific potential gradient
Specific discharge, represent complexity of the fluid by pore framework.It is hydraulic engineering, civil construction and Geotechnical Engineering
In important parameter, be one of parameter that must take into consideration in engineering design, for example, for building settlement of foundation calculate, foundation ditch
Seepage quantity calculation, the canal seepage of excavation calculate and the stream of earth and rockfill dam and its embankment soil and piping calculating etc..
Soil permeability coefficient is that the soil texture, unit weight, the function of porosity distribution, but this functional relation are difficult to determine
And vary in different localities, therefore the determination of current soil infiltration coefficient is substantially based on measuring.
At present, soil permeability coefficient measuring is generally required for experimenter on duty, compare expend experimenter when
Between, while the parameters such as artificial reading SEA LEVEL VARIATION, record time of penetration are needed, and the work such as infiltration coefficient calculating are carried out, test
As a result man's activity is big, error is big.
Due to error, soil sample experiment typically can all carry out three groups of parallel laboratory tests, i.e., certain is treated under identical conditions
Three soil samples for surveying soil carry out experiment simultaneously, and current permeability experimental facility can only once measure one or two soil substantially
Sample.
Utility model content
The utility model is, and it is an object of the present invention to provide a kind of permeability experimental facility, energy in order to solving the above problems and carry out
It is enough that three pattern expansion are tested simultaneously, and will can be surveyed at once after the completion of test without human attendance in experimentation
Test result is sent to laboratory technician.
The utility model to achieve these goals, employs following scheme:
Permeability experimental facility provided by the utility model, it is characterised in that including:Three test sample units, each test sample
Unit includes:Cutting ring, liquid device, liquid level sensor and soil sample supporting table are contained, cutting ring is in circular, for gathering soil sample, contains liquid
Device includes:Sleeve, liquid level tube and branch pipe, sleeve are connected with cutting ring phase fit, liquid level tube be located above sleeve and bottom with
The top of sleeve is mutually tightly connected, and the bottom of liquid level tube is in truncated cone shape, and branch pipe is connected with liquid level tube, and liquid level sensor is set
Put in branch pipe, soil sample supporting table is located at below cutting ring, support cutting ring, Sheng liquid device and liquid level sensor, soil sample supporting table support
The region of cutting ring is provided with multiple permeable holes;Base unit, comprising:Bearing tray, connecting tube, level(l)ing bubble, bearing tray are used
In three test sample units of support, connecting tube is arranged on bearing tray, for connecting drainpipe, and level(l)ing bubble is arranged on carrying support
On disk;Processor, comprising:Three acquisition modules, three timing modules, communication modules, three acquisition modules respectively with three liquid
Level sensor is connected, gathers corresponding water level information, and three timing modules are connected with three acquisition modules, record and ooze respectively
Saturating temporal information, communication module are sent information on the mobile terminal held to laboratory technician in the form of short message.
Further, the permeability experimental facility involved by the utility model can also have the feature that:Branch pipe is arranged on
Close to the opening position of liquid level bottom of the tube, and extend certain distance still further below after extending laterally certain length since the position,
The part that branch pipe extends downwardly is used to accommodate liquid level sensor as receiving portion, and the side of receiving portion is provided with access hole and closure
Ground covers the closure on access hole.
Further, the permeability experimental facility involved by the utility model also has the feature that:The top of liquid level tube and
Bottom is respectively equipped with two liquid level lines.
Further, the permeability experimental facility involved by the utility model also has the feature that:Cutting ring it is a diameter of
50.46mm, a height of 50mm, the internal diameter of liquid level tube is 10mm, a height of 500mm.
Further, the permeability experimental facility involved by the utility model also has the feature that:The bottom of soil sample supporting table
Face is fixed with multiple fixed buttresses, and the bottom surface of bearing tray is provided with height-adjustable adjustable buttress.
Further, the permeability experimental facility involved by the utility model also has the feature that:Multiple permeable holes are uniform
It is arranged on the central region of soil sample supporting table bottom plate.
Further, the permeability experimental facility involved by the utility model also has the feature that:Processor is arranged on and held
Carry on pallet, outside is provided with waterproof case.
Further, the permeability experimental facility involved by the utility model also has the feature that:Processor also includes:Meter
Module is calculated, is connected with all acquisition modules and timing module, and be connected with communication module, is oozed according to water level information and accordingly
Saturating temporal information calculates infiltration coefficient.
Further, the permeability experimental facility involved by the utility model also has the feature that:Processor also includes:Electricity
Source module, it is connected with three acquisition modules, three timing modules, communication module and computing module, they is supplied
Electricity.
Further, the permeability experimental facility involved by the utility model also has the feature that:Power module is to fill
Battery, mobile terminal are mobile phone.
The effect of utility model and effect
Permeability experimental facility of the present utility model, due to above architectural feature, therefore can be simultaneously to three soil samples
Tested, ensure the uniformity of experiment condition;And experiment information can be sent to the mobile terminal of laboratory technician in time,
So that laboratory technician does not have to keep in laboratory evaluation, the substantial amounts of time is saved for laboratory technician;Whole device is simple in construction, cost
It is low, simple to operation, the experimental implementation time is especially substantially reduced, therefore be highly suitable for the scientific research machine such as colleges and universities, research institute
Structure is promoted the use of.
Brief description of the drawings
Fig. 1 is the structural representation for the permeability experimental facility that the utility model is related to;
Fig. 2 is the structural representation for the soil sample supporting table that the utility model is related to;
Fig. 3 is the structural representation for the processor that the utility model is related to.
In figure:10- permeability experimental facilities, 20- test samples unit, 30- base units, 40- processors;
21- cutting rings, 22- contain liquid device, 22a- sleeves, H1- initial liquid levels line, H2- terminate liquid level line, 22b- liquid level tubes,
22c- branch pipes, 23- liquid level sensors, 24- soil samples supporting table, 24a- permeable holes, 24b- fixed buttresses;
31- bearing trays, 31a- can adjust buttress, 32- connecting tubes, 33- level(l)ing bubbles;
41- acquisition modules, 41a- transmission lines, 42- timing modules, 43- communication modules, 44- power modules, outside 45- waterproofs
Shell.
Embodiment
The permeability experimental facility involved by the utility model is elaborated referring to the drawings.<Embodiment>
As shown in figure 1, permeability experimental facility 10 includes:Three test sample units 20, base unit 30 and processor 40.
Three test sample units 20 are used for the permeability test for carrying out three patterns simultaneously.Each test sample unit 20 includes:Cutting ring
21st, liquid device 22, liquid level sensor 23 and soil sample supporting table 24 are contained.
Cutting ring 21 in it is circular, for gathering soil sample, in the present embodiment, using the 100cm of standard3Stainless steel cutting ring
21, its a diameter of 50.46mm, a height of 50mm.
It is lucite vessel to contain liquid device 22, and it is included:Sleeve 22a, liquid level tube 22b and branch pipe 22c.
Sleeve 22a is engaged with cutting ring 21, can be sealed and is linked on cutting ring 21, is provided between sleeve 22a and cutting ring 21
Watertight rubber avoids liquid from spilling.
Liquid level tube 22b is located above sleeve 22a and bottom and sleeve 22a top are mutually tightly connected, liquid level tube 22b
Top be provided with opening, bottom is in truncated cone shape, and liquid level tube 22b internal diameter is 10mm, a height of 500mm, and liquid level tube 22b's is upper
Portion and bottom are respectively equipped with two liquid level lines:The end liquid level line H2 that initial liquid level line H1 and instruction experiment stop.The present embodiment
In, after sleeve 22a and liquid level tube 22b are integrally formed, and sleeve 22a is linked in cutting ring 21, the upper limb of cutting ring 21 is limited
Position is in sleeve 22a and liquid level tube 22b junction, so as to ensure that the depth of each fit is all consistent.
Branch pipe 22c is positioned close to the opening position of liquid level tube 22b bottoms, and is connected with liquid level tube 22b, from the connection
Position starts to extend certain distance still further below after extending laterally certain length, and the part that branch pipe 22c is extended downwardly is as receiving portion
For accommodating liquid level sensor 23.The side of receiving portion covers the closure on access hole with being provided with access hole and closure,
Easy access is so set and changes liquid level sensor 23, in addition, the middle part of closure, which is provided with, allows the through hole that transmission line passes through, is passed
The contact site of defeated line and through hole is sealed with fluid sealant, meanwhile, watertight rubber is provided between closure and access hole, can be with
Effectively avoid leak.
Liquid level sensor 23 is arranged in branch pipe 22c, when reaching end liquid level line H2 for the liquid level in liquid level tube 22b
Liquid level signal is sent to processor 40.
Soil sample supporting table 24 is located at the lower section of cutting ring 21, for supporting cutting ring 21, containing liquid device 22 and liquid level sensor 23.Such as figure
Shown in 2, soil sample supporting table 24 is supported and is uniformly provided with multiple permeable hole 24a in the central region of cutting ring 21, and soil is infiltrated into for allowing
The liquid of sample bottom can flow out;The bottom surface of soil sample supporting table 24 is fixed with four fixed buttress 24b.
As shown in figure 1, base unit 30 includes:Bearing tray 31, connecting tube 32 and level(l)ing bubble 33.Bearing tray
31 are used for three test sample units 20 of support, and bottom surface is provided with four adjustable buttress 31a, are each designed with adjustable buttress 31a
Foot screw, the height of adjustable carrier pallet 31 so that whole device keep level.Connecting tube 32 is arranged on bearing tray 31
Above, for connecting drainpipe, so as to which the water in bearing tray 31 be discharged.Level(l)ing bubble 33 is arranged on bearing tray 31, is seen
Examine level(l)ing bubble 33 can verifying attachment horizontality.
As shown in figs. 1 and 3, processor 40 is arranged on bearing tray 31, and it is included:Three acquisition modules, 41, three meters
When module 42, computing module, communication module 43, power module 44 and waterproof case 45.Acquisition module adopted here
41st, timing module 42, computing module, communication module 43 and power module 44 are all commercially available common module.Three acquisition modules
41 integrate, and are connected respectively by three transmission lines 41a with three liquid level sensors 23, gather corresponding water level
Information.Three timing modules 42 are connected with three acquisition modules 41, record time of penetration information respectively.Computing module is integrated in
On acquisition module 41, it is connected with all acquisition modules 41 and timing module 42, and is connected with communication module 43, can be according to water
Position information and corresponding time of penetration information calculate infiltration coefficient corresponding to three soil samples difference.Communication module 43 is that GPRS is short
Believe communication module, the infiltration information calculated can be sent in the form of short message on the mobile terminal held to laboratory technician, this
In embodiment, mobile terminal is the mobile phone of laboratory technician, and SIM card is built-in with communication module 43, and laboratory technician can be allowed to set short message
The cell-phone number (cell-phone number of laboratory technician) of sending object, and infiltration information is sent to the mobile phone.Power module 44 and three
41, three timing modules 42 of acquisition module, communication module 43 and computing module are connected, and they are powered, this implementation
In example, power module 44 includes 24V rechargeable batteries and voltage-stablizer with switch.Three acquisition modules, 41, three timing
Module 42, computing module, communication module 43 and power module 44 are all disposed within waterproof case 45, the bottom of waterproof case 45
Portion is provided with four buttresses.
Based on above structure, the detailed process that permeability test is carried out using permeability experimental facility 10 is as follows:
1. whole permeability experimental facility 10 is placed on horizontal stand, level(l)ing bubble 33 is observed, while regulation carries pin spiral shell
The adjustable buttress 31a of rotation causes whole device to be in horizontality;
2. three soil samples (having been completed before may testing this part) of similar soil are obtained using cutting ring 21, then by cutting ring
21 are from left to right sequentially placed at the middle part of three soil sample supporting tables 24, then contain liquid device 22 by three and are respectively fitted over three cutting rings
On 21;
3. add water at three liquid level tube 22b upper end opens respectively so that each liquid level tube 22b water level is H1;
4. turning on the power the switch of module 44, experiment proceeds by, and experimenter can not have on duty;
5. when the water level of some soil sample experiment reaches H2, corresponding liquid level sensor 23 can detect, and liquid level is believed
Processor 40 number is sent to, corresponding timing module 42 stops timing, and the time t1 of record is transferred into computing module, when three
When the water level of individual soil sample experiment reaches H2, i.e. each self-recording time t1, t2 and t3 are transferred to calculating by three timers
After module, computing module can voluntarily calculate coefficient of permeability K 1, K2 and the K3 of corresponding soil sample;
6. three infiltration coefficients are sent an SMS to laboratory technician by communication module 43, the content of short message is the " experiment of 3 soil samples
Time-consuming is respectively from left to right t1, t2, t3, and corresponding infiltration coefficient is respectively K1, K2, K3 ";
7. laboratory technician receives short message, it is seen that also knows that current experiment has been completed while experimental result, should return to laboratory
Soil sample is changed to continue the experiment of remaining soil sample or tidy up permeability experimental facility 10.
Above example is only the illustration done to technical solutions of the utility model.Involved by the utility model
Permeability experimental facility is not merely defined in structure described in the embodiment above, but the model limited with claim
Enclose and be defined.Any modification or supplement or equivalent that the utility model one of ordinary skill in the art are made on the basis of the embodiment
Replace, all in the claimed scope of the utility model.
Claims (10)
- A kind of 1. permeability experimental facility, it is characterised in that including:Three test sample units, each test sample unit include:Cutting ring, liquid device, liquid level sensor and soil sample supporting table are contained, The cutting ring is in circular, for gathering soil sample, and the Sheng liquid device includes:Sleeve, liquid level tube and branch pipe, the sleeve and institute State the connection of cutting ring phase fit, the liquid level tube be located at the top of the sleeve top and bottom and the sleeve mutually company of sealing Connect, the bottom of the liquid level tube is in truncated cone shape, and the branch pipe is connected with the liquid level tube, and the liquid level sensor is set In the branch pipe, the soil sample supporting table is located at below the cutting ring, supports the cutting ring, the Sheng liquid device and the liquid level Sensor, the soil sample supporting table support the region of the cutting ring to be provided with multiple permeable holes;Base unit, comprising:Bearing tray, connecting tube, level(l)ing bubble, the bearing tray are used for three test sample lists described in support Member, the connecting tube are arranged on the bearing tray, for connecting drainpipe, and the level(l)ing bubble is arranged on the carrying support On disk;Processor, comprising:Three acquisition modules, three timing modules, communication modules, three acquisition modules respectively with three The liquid level sensor is connected, gathers corresponding water level information, three timing modules respectively with three collection moulds Block is connected, records time of penetration information, and the communication module sends information the shifting held to laboratory technician in the form of short message In dynamic terminal.
- 2. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the branch pipe is positioned close to the opening position of the liquid level bottom of the tube, and extends laterally one since the position Extend certain distance after measured length still further below, the part that the branch pipe extends downwardly is used to accommodate the liquid level biography as receiving portion Sensor,The side of described accommodation section covers the closure on the access hole with being provided with access hole and closure.
- 3. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the upper and lower part of the liquid level tube is respectively equipped with two liquid level lines.
- 4. permeability experimental facility according to claim 1, it is characterised in that:Wherein, a diameter of 50.46mm of the cutting ring, a height of 50mm,The internal diameter of the liquid level tube is 10mm, a height of 500mm.
- 5. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the bottom surface of the soil sample supporting table is fixed with multiple fixed buttresses,The bottom surface of the bearing tray is provided with height-adjustable adjustable buttress.
- 6. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the multiple permeable hole is uniformly arranged on the central region of the soil sample supporting table bottom plate.
- 7. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the processor is arranged on the bearing tray, and outside is provided with waterproof case.
- 8. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the processor also includes:Computing module, it is connected with all acquisition modules and the timing module, and It is connected with the communication module, infiltration coefficient is calculated according to the water level information and the corresponding time of penetration information.
- 9. permeability experimental facility according to claim 1, it is characterised in that:Wherein, the processor also includes:Power module, with three acquisition modules, three timing modules, described logical Letter module and the computing module are connected, and they are powered.
- 10. permeability experimental facility according to claim 9, it is characterised in that:Wherein, the power module is rechargeable battery,The mobile terminal is mobile phone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721124961.9U CN207133161U (en) | 2017-09-04 | 2017-09-04 | Permeability experimental facility |
Applications Claiming Priority (1)
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CN201721124961.9U CN207133161U (en) | 2017-09-04 | 2017-09-04 | Permeability experimental facility |
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CN207133161U true CN207133161U (en) | 2018-03-23 |
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CN201721124961.9U Expired - Fee Related CN207133161U (en) | 2017-09-04 | 2017-09-04 | Permeability experimental facility |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110308674A (en) * | 2019-05-28 | 2019-10-08 | 云南农业大学 | The measurement method of moisture penetration rule in a kind of mountain plateau red soil |
-
2017
- 2017-09-04 CN CN201721124961.9U patent/CN207133161U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110308674A (en) * | 2019-05-28 | 2019-10-08 | 云南农业大学 | The measurement method of moisture penetration rule in a kind of mountain plateau red soil |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20180904 |
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CF01 | Termination of patent right due to non-payment of annual fee |