CN208999193U - Three axis sample mud sediment method formers - Google Patents
Three axis sample mud sediment method formers Download PDFInfo
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- CN208999193U CN208999193U CN201821450394.0U CN201821450394U CN208999193U CN 208999193 U CN208999193 U CN 208999193U CN 201821450394 U CN201821450394 U CN 201821450394U CN 208999193 U CN208999193 U CN 208999193U
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Abstract
The utility model discloses a kind of three axis sample mud sediment method formers, including main part, vacuum drainage part and vacuum subassembly, main part include cylinder, and the upper and lower port of cylinder is connected separately with upper and lower ring flange；Sample split cavity is provided in cylinder lumen, the upper and lower port of sample split cavity is respectively embedded into upper and lower ring flange；Sample split cavity inner wall sleeve is equipped with three axis sample latex films, and the center of lower flange is provided with penetrating slot, porous disc is inlaid in the penetrating slot, and porous disc is located in sample split cavity lower port；Upper flange plate is docked with cylinder on mud upwards, and the side-wall hole of cylinder is connected with rubber hose coupling；Vacuum drainage part includes vacuum drainage case, and vacuum drainage case upper port is fixedly connected with lower flange, and vacuum drainage case side-wall hole is equipped with lower rubber hose coupling；Vacuum subassembly is connected when upper and lower rubber hose coupling work, lower end cap is installed when not working.The device of the utility model, compact-sized, preparation process is reliable.
Description
Technical field
The utility model belongs to geotechnical engineering test equipment technical field, is related to a kind of three axis sample mud sediment methods forming
Equipment.
Background technique
In the research of geotechnical engineering indoor test more particularly to Soil Constitutive Relation or structural research, in order to retouch
The collapse state of the soil body is stated, usually can all be simulated with normal consolidation soil sample.Normally consolidated soil is in the research of soil mechanics
The as soil body that destroys completely of structure, macroscopical presentation are the soil body of the loose slurry condition in stream modeling.Theoretically just
Often consolidation soil sample is in a saturated state soil sample of the mud after deposition sedimentation.However, after due to deposition sedimentation
The mud soil body (i.e. normally consolidated soil) is very soft, during the dress sample before test carries out, gravity of the sample soil body at itself
Effect is lower to be easy to collapse, and is not easy uprightly, not being inserted in sample latex film, be had caused great difficulties to installation sample.
Currently, researcher is for convenience's sake, remodeling saturation soil sample is mostly used to carry out approximate simulation normally consolidated soil greatly
Property states.The preparation of manipulated soil will first be handled by sieving, artificially filter out the bulky grain in soil in this way, original with the soil body
Grain composition be not inconsistent, test result is inevitable, and there are large errors with practical state of soil, even obtain wrong conclusion.
It to sum up analyzes, it is therefore necessary to develop a kind of to meet normally consolidated soil property at sample and be easy to try normally consolidated soil again
The sample former of sample loading test apparatus.
Utility model content
The purpose of the utility model is to provide a kind of three axis sample mud sediment method formers, solve prior art condition
The problem of lower geotechnical engineering testing field normally consolidated soil prepares forming difficulty.
The utility model is the technical scheme adopted is that a kind of three axis sample mud sediment method formers, including main body
Partially, vacuum drainage part and vacuum subassembly three parts,
Main part includes cylinder, and cylinder upper port is connected with upper flange plate, and cylinder lower port is connected with lower flange；Cylinder
Sample split cavity is provided in intracoelomic cavity, sample split cavity lower port is embedded in the locating slot of lower flange upper surface, sample pair
It is opened in the step groove of upper port insertion upper flange plate lower surface；Sample split cavity inner wall sleeve is equipped with three axis sample latex films, under
The center of ring flange is provided with penetrating slot, and porous disc is inlaid in the penetrating slot, and porous disc is located in sample split cavity lower port；On
Ring flange is docked with cylinder on mud upwards, the side-wall hole of cylinder and is connected with rubber hose coupling；
Vacuum drainage part includes vacuum drainage case, and vacuum drainage case upper port is fixedly connected with lower flange, vacuum row
Water tank side-wall hole is simultaneously equipped with lower rubber hose coupling；
The upper rubber hose coupling connects vacuum subassembly when working, and upper rubber hose coupling is equipped with upper plug head when not working；Under
Rubber hose coupling connects vacuum subassembly when working, and lower rubber hose coupling is equipped with lower end cap when not working.
The three axis sample mud sediment method formers of the utility model, it is further characterized in that:
The cylinder inboard wall and upper flange plate periphery contact surface is embedded with "O"-ring, cylinder on upper flange plate and mud
Contact surface be provided with rubber gasket, lower rubber seal is provided between cylinder lower surface and lower flange step surface.
Cylinder is cylindrical body on the mud, and internal diameter is identical as sample split cavity internal diameter.
A set of combination mat, lower rubber hose coupling are provided between the side-wall hole contact surface of the upper rubber hose coupling and cylinder
Another set of combination mat is provided between the side-wall hole contact surface of vacuum drainage case.
The vacuum subassembly includes vacuum pump, and vacuum pump vacuumizes interface and upper rubber hose coupling or lower rubber hose coupling company
Logical, vacuum-pumping tube road is provided with pressure gauge.
The utility model has the beneficial effects that the device is fully able to the normal consolidation needed in preparation geotechnical engineering test
Native mud deposited samples, and be easy to fill in test sample, it overcomes mud deposited samples and is not easy to be packed into three axis sample latex films
Problem；The installation area is small, equipment manufacturing costs are low, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is the top view of the utility model.
In figure, 1. vacuum drainage casees；2. porous disc；3. sample split cavity；4. lower flange；5. cylinder；6. upper flange plate；
7. cylinder on mud；8. vacuum subassembly；9. screw；10. "O"-ring；11. combination mat；Rubber hose coupling on 12.；13. lower sebific duct connects
Head；14. three axis sample latex films；Rubber gasket on 15.；16. pressure gauge；17. vacuum pump, 18. lower rubber gaskets.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, the structure of Fig. 2, utility model device are, including main part, vacuum drainage part and vacuum group
8 three parts of part,
Main part includes cylinder 5, is equivalent to the support housings of molding equipment, and 5 upper port of cylinder is connected by a circle bolt
It is connected to upper flange plate 6,5 lower port of cylinder has been bolted lower flange 4 by another circle, and upper flange plate 6 is equivalent to equipment master
The upper cover of body structure, lower flange 4 are equivalent to the pedestal of equipment body structure；In order to guarantee sealing effect, 5 inner wall of cylinder with it is upper
6 periphery contact surface of ring flange is embedded with "O"-ring 10, is provided with lower rubber between 4 step surface of 5 lower surface of cylinder and lower flange
Glue sealing ring 18；Sample split cavity 3 is provided in 5 inner cavity of cylinder, 3 lower port of sample split cavity is embedded in 4 upper surface of lower flange
Locating slot in, 3 upper port of sample split cavity be embedded in 6 lower surface of upper flange plate step groove in；3 inner wall of sample split cavity suit
There are three axis sample latex films 14, the center of lower flange 4 is provided with penetrating slot, and porous disc 2, porous disc 2 are inlaid in the penetrating slot
In 3 lower port of sample split cavity, moisture flows downwardly to the vacuum drainage case of lower section by porous disc 2 in mud deposition process
1；Upper flange plate 6 is docked upwardly through a circle screw 9 with cylinder 7 on mud, and mud is poured into sample split cavity by cylinder 7 on mud
In three axis sample latex films 14 in 3；Cylinder 7 is cylindrical body, internal diameter (i.e. three axis identical as 3 internal diameter of sample split cavity on mud
Sample cylinder diameter), in order to guarantee to seal, the contact surface of cylinder 7 is provided with upper rubber gasket on upper flange plate 6 and mud
15；The side-wall hole of cylinder 5 and it is connected with rubber hose coupling 12, the side-wall hole contact surface of upper rubber hose coupling 12 and cylinder 5
Between be provided with a set of combination mat 11, vacuum subassembly 8, peace when upper rubber hose coupling 12 does not work are connected when upper rubber hose coupling 12 works
Equipped with upper plug head；
Vacuum drainage part includes vacuum drainage case 1, and 1 upper port of vacuum drainage case is fixedly connected with (or one with lower flange 4
Body connection), the water in mud deposition process is discharged into vacuum drainage case 1 by the porous disc 2 in insertion lower flange 4, very
1 side-wall hole of idle discharge water tank is simultaneously equipped with lower rubber hose coupling 13, and lower rubber hose coupling 13 is contacted with the side-wall hole of vacuum drainage case 1
It is provided with another set of combination mat 11 between face, vacuum subassembly 8 is connected when lower rubber hose coupling 13 works, lower rubber hose coupling 13 does not work
When lower end cap is installed；
Vacuum subassembly 8 include vacuum pump 17, vacuum pump 17 vacuumize interface as needed with upper rubber hose coupling 12 or under
Rubber hose coupling 13 is connected to, and vacuum-pumping tube road is provided with pressure gauge 16, and pressure gauge 16 shows actual negative pressure value.When vacuumizing,
Under negative pressure of vacuum effect, three axis sample latex films 14 are on the one hand close to 3 inner wall of sample split cavity, on the other hand accelerate mud
Downward deposition velocity is improved into sample efficiency.
The assembling process of utility model device is,
Three axis sample latex films 14 are inserted in sample split cavity 3, and three axis sample latex films, 14 redundance is routed up
It rewinds in upper and lower port, the sample split cavity 3 for being cased with three axis sample latex films 14 is embedded in 4 locating slot of lower flange together,
Porous disc 2 is placed in the positioning penetrating slot of groove center, one layer of filter paper is placed on porous disc 2, it is therefore an objective to prevent the soil in mud
Solid particle flows into the vacuum drainage case 1 of lower part；Cylinder 5 is installed on lower flange 4, between cylinder 5 and lower flange 4
It is pressed with lower rubber gasket 18, and is closely connect with a circle bolt with lower flange 4；Upper flange plate 6 is installed, the examination of three axis will be inserted in
The sample split cavity 3 of sample latex film 14 is embedded in the step groove of 6 lower surface of upper flange plate, while between upper flange plate 6 and cylinder 5
It is sealed using "O"-ring 10, and connect upper flange plate 6 closely with cylinder 5 with another circle bolt；Cylinder 7 on mud is installed,
7 opening's edge flange of cylinder on mud is closely connect with upper flange plate 6 with a circle screw 9, in order to guarantee to seal, cylinder 7 on mud
Upper rubber gasket 15 is pressed between upper flange plate 6；Lower end cap is installed to lower rubber hose coupling 13, by upper rubber hose coupling 12 and very
Empty component 8 connects, and opens vacuum pump 17, so that gas discharge extra between three axis sample latex films 14 and sample split cavity 3,
So that three axis sample latex films 14 is tightly attached to 3 inner wall of sample split cavity, completes the assembling of equipment.
The course of work that utility model device prepares normal triaxial normal consolidation soil sample is,
Scattered soil impregnate and is boiled, is stirred when boiling, forms it into homogeneous liquid-plastic state；It will prepare
At the mud in liquid-plastic state uniformly pour into from cylinder 7 on mud to being close in three axis sample latex films 14 of sample split cavity 3,
Until filling concordant to 7 top of cylinder on mud；
Again upper plug head is installed to upper rubber hose coupling 12, and by the lower rubber hose coupling 13 and vacuum of 1 side wall of vacuum drainage case
Component 8 connects, and reopens vacuum pump 17, and be set in the negative pressure value that can be shown in pressure gauge 16, makes three axis sample latexes
The moisture of mud passes through porous disc 2 under the action of negative pressure and drains into downwards in vacuum drainage case 1 in film 14；Through consolidating after a period of time
Knot deposits, and prepared by the normal consolidation soil sample in three axis sample latex films 14 completes；
Vacuum pump 17 is closed, stops vacuumizing, the screw 9 connected between cylinder 7 and upper flange plate 6 on mud is unclamped, by mud
Cylinder 7 removes on slurry；Next the bolt connected between upper flange plate 6 and cylinder 5 is unclamped, is connected between cylinder 5 and lower flange 4
Bolt, remove upper flange plate 6 and cylinder 5 are whole；By accommodate mud deposition normal consolidation soil sample sample split cavity 3 from
It is taken out in locating slot in equipment lower flange 4, eliminates sample redundance with blade, make specimen height and sample split cavity 3
Height it is equal, finally the sample split cavity 3 for accommodating sample is placed in ordinary triaxial test machine, takes down sample split cavity 3,
The normal triaxial normal consolidation soil sample for being cased with the standard of three axis sample latex films 14 can be formed.
It is conventional to overcome prior art preparation normal consolidation for the three axis sample mud sediment method formers of the utility model
The difficulty of three axis samples；The mud deposition examination of the different degrees of consolidation can be prepared by the negative pressure value in setting vacuum subassembly simultaneously
Sample.The equipment has that sample preparation is convenient and efficient, occupied area is small, the remarkable advantages such as at low cost, is worth in geotechnical engineering testing field
Further promoted.
Claims (5)
1. a kind of three axis sample mud sediment method formers, it is characterised in that: including main part, vacuum drainage part and true
Empty component (8) three parts,
Main part includes cylinder (5), and cylinder (5) upper port is connected with upper flange plate (6), and cylinder (5) lower port is connected with down
Ring flange (4)；It is provided with sample split cavity (3) in cylinder (5) inner cavity, sample split cavity (3) lower port is embedded in lower flange (4)
In the locating slot of upper surface, sample split cavity (3) upper port is embedded in the step groove of upper flange plate (6) lower surface；Sample is split
Mould (3) inner wall sleeve is equipped with three axis sample latex films (14), and the center of lower flange (4) is provided with penetrating slot, inlays in the penetrating slot
Have porous disc (2), porous disc (2) is located in sample split cavity (3) lower port；Upper flange plate (6) is right with cylinder on mud (7) upwards
It connects, the side-wall hole of cylinder (5) and is connected with rubber hose coupling (12)；
Vacuum drainage part includes vacuum drainage case (1), and vacuum drainage case (1) upper port is fixedly connected with lower flange (4), very
Idle discharge water tank (1) side-wall hole is simultaneously equipped with lower rubber hose coupling (13)；
Vacuum subassembly (8) are connected when the upper rubber hose coupling (12) works, upper rubber hose coupling (12) is equipped with when not working
Plug；Vacuum subassembly (8) are connected when lower rubber hose coupling (13) works, lower rubber hose coupling (13) is equipped with lower end cap when not working.
2. three axis sample mud sediment method former according to claim 1, it is characterised in that: the cylinder (5)
Inner wall and upper flange plate (6) periphery contact surface are embedded with "O"-ring (10), the contact of upper flange plate (6) and cylinder on mud (7)
Face is provided with rubber gasket (15), is provided with lower rubber seal between cylinder (5) lower surface and lower flange (4) step surface
It encloses (18).
3. three axis sample mud sediment method former according to claim 1, it is characterised in that: cylinder on the mud
It (7) is cylindrical body, internal diameter is identical as sample split cavity (3) internal diameter.
4. three axis sample mud sediment method former according to claim 1, it is characterised in that: the upper sebific duct connects
It is provided with a set of combination mat (11) between head (12) and the side-wall hole contact surface of cylinder (5), lower rubber hose coupling (13) and vacuum
Another set of combination mat (11) are provided between the side-wall hole contact surface of discharge casing (1).
5. three axis sample mud sediment method former according to claim 1, it is characterised in that: the vacuum subassembly
It (8) include vacuum pump (17), the interface that vacuumizes of vacuum pump (17) is connected to upper rubber hose coupling (12) or lower rubber hose coupling (13),
Vacuum-pumping tube road is provided with pressure gauge (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450394.0U CN208999193U (en) | 2018-09-05 | 2018-09-05 | Three axis sample mud sediment method formers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450394.0U CN208999193U (en) | 2018-09-05 | 2018-09-05 | Three axis sample mud sediment method formers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999193U true CN208999193U (en) | 2019-06-18 |
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ID=66798557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821450394.0U Active CN208999193U (en) | 2018-09-05 | 2018-09-05 | Three axis sample mud sediment method formers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999193U (en) |
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2018
- 2018-09-05 CN CN201821450394.0U patent/CN208999193U/en active Active
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