CN108444787A - A kind of liquid soil compacting sampling device - Google Patents
A kind of liquid soil compacting sampling device Download PDFInfo
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- CN108444787A CN108444787A CN201810320940.7A CN201810320940A CN108444787A CN 108444787 A CN108444787 A CN 108444787A CN 201810320940 A CN201810320940 A CN 201810320940A CN 108444787 A CN108444787 A CN 108444787A
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- 239000002689 soil Substances 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 79
- 239000002184 metal Substances 0.000 claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 239000007787 solid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 210000003739 neck Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of liquid soil compacting sampling device, including metal framework, jack, sample preparation platform, oil pump control case.Jack is set at the top of the metal framework, and the very heavy top/bottom part connects firming disk, and object platform is hung in the metal framework madial wall setting.The metal framework is provided with sliding slot, and sliding slot assembles sample preparation platform, and sample preparation platform can slide up and down, and sample preparation cylinder is placed on the sample preparation platform.By gathering connection between the jack and oil pump control case, sample preparation platform lower part is connect by rope with pulley, and the pulley is fixed on base crossbeam.Bit andits control display screen is set on the oil pump control case, and the Bit andits control display screen is for being arranged displacement, display real-time displacement.A kind of liquid soil of the present invention suppresses sampling device, which can improve the precision of layering sample preparation, reduce the waste of soil sample, saved manpower.
Description
Technical field
The invention belongs to ground experimental provision fields, are related to soil body experiment layering sample preparation, more particularly to a kind of soil
Hydraulic pressure sample preparation device.
Background technology
Currently, most soil parameters are sought to obtain by centrifugal modeling, therefore the accuracy of experimental study
Increasingly paid attention to by academia, especially the preparation of remoulded sample.Layering is usually used in the preparation of traditional remoulded sample
Compacting process.During manual hammering, due to human factor, it will usually occur Density inhomogeneity or soil sample because of discontinuity
Phenomena such as surface height is different, while the case where hammering easy tos produce inaccurate lift height, soil spluttering in the process, and
Other people are needed to assist in preparation process, it is inconvenient for operation.
Invention content
For the defect and shortcoming more than overcoming, the invention discloses a kind of liquid soils to suppress sampling device, the device
The precision that layering sample preparation can be improved, reduces the waste of soil sample, has saved manpower.
The technical solution that the present invention takes is：
A kind of liquid soil compacting sampling device, including metal framework, jack, sample preparation platform, oil pump control case.The metal framework top
Jack is arranged in portion, and the very heavy top/bottom part connects firming disk, and object platform is hung in the metal framework madial wall setting.The metal frame
Erection is equipped with sliding slot, and sliding slot assembles sample preparation platform, and sample preparation platform can slide up and down, and sample preparation cylinder is placed on the sample preparation platform.Described thousand
By gathering connection between jin top and oil pump control case, sample preparation platform lower part is connect by rope with pulley, the cunning
Wheel is fixed on base crossbeam.
On the oil pump control case be arranged Bit andits control display screen, the Bit andits control display screen for be arranged displacement,
Show real-time displacement.
Solid metal column is arranged in the very heavy top/bottom part, and the solid metal column bottom is connected by upper bolt and firming disk
It connects.
Non-contact displacement transducer is arranged in the very heavy top/bottom part side, and the non-contact displacement transducer collects
Displacement signal by gather circuit in signal wire reach microcontroller by processing, be eventually displayed in Bit andits control display screen
On.
Object platform is hung in the vertical madial wall setting of metal framework, and various sizes of metallic brush is hung on hanging object platform.
Semicircle sliding slot vertical at each setting two on the inside of two vertical side walls of the metal framework, the half of the sample preparation platform
Cylindrical end can move up and down in semicircle sliding slot.
The both sides up and down of the semicircle styletable are connected with spring, and semicircle styletable is provided with bolt hole.
Pulley rotation handle is set on the outside of the pulley, the lifting of sample preparation platform is realized by rotating pulley rotation handle.
Vertical bolt slot, the bolt is arranged in the metal framework lateral wall corresponding with semicircle runner position
Slot and semicircle sliding slot unicom.
The metal framework one erects the built-in T-type sliding slot of setting on the inside of side, and T-type sliding block can be in built-in T-type sliding slot up and down
Sliding, the T-type sliding block connect vernier column, and the vernier column can freely stretch.
The built-in T-type sliding slot side setting is with it with high graduation mark.
Central cross asterisk, limbus line are set on the sample preparation platform.
Magnetic scale patch is posted on the sample preparation cylinder.
A kind of liquid soil of the present invention suppresses sampling device, has the advantages that：
1, the invention belongs to novel products, simple in structure, and cost of manufacture is relatively low, and material requested is easy purchase, assembling on the market
Simply, experimental implementation is also more convenient；
2, the size of firming disk of the present invention and sample preparation cylinder is replaceable, and prepared by the layering that can not only complete triaxial tests soil sample, also
Prepared by the layering that can complete sizes soil sample, have facilitation to the process of the preparation of soil sample；
Bolt is inserted into bolt slot and fixes sample preparation with bolt hole by the lifting that sample preparation platform 3, is realized by pulley, rope and spring
Platform, it is saves time and effort；
4, the present invention is provided with non-contact displacement transducer, graduation mark and Bit andits control display screen, makes soil sample lift height more
Add accurately, density is evenly.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the firming dish structure schematic diagram of the present invention.
Fig. 3 is that the vernier column of the present invention and metal framework erect side interior wall construction schematic diagram.
Fig. 4 is the jack and non-contact displacement transducer structural schematic diagram of the present invention.
Fig. 5 is the sample preparation platform structural schematic diagram of the present invention.
Fig. 6 is the structural schematic diagram of the bolt slot and bolt of the present invention.
In figure：1-metal framework；2-pedestals；3-sample preparation platforms；4-jack；5-ropes；6-oil pump control casees；
7-pulleys；8-pulley rotation handles；9-base crossbeams；10-sample preparation cylinders；11-metallic brush；12-hang object platform；13-semicircles
Shape sliding slot；14-bolts；15-non-contact displacement transducers；16-springs；17-set circuits；18-firming disks；19—
Gear knob；20-Bit andits control display screens；21-pressure gauges；22-pressure rods；23-T-type sliding blocks；24-built-in T-types are slided
Slot；25-vernier columns；26-graduation marks；27-bolt slots；101-magnetic scales paste；301-central cross asterisks；302—
Semicircle styletable；303-bolts hole；401-flexible necks；402-solid metal columns；1801-upper terminal bolts；1802-lower side pressures
Native disk；304-limbus lines.
Specific implementation mode
As shown in figs 1 to 6, a kind of liquid soil suppresses sampling device, it include metal framework 1, jack 4, sample preparation platform 3 with
Oil pump control case 6,1 top of the metal framework are arranged jack 4, pass through set between the jack 4 and oil pump control case 6
Circuit 17 connects, and 3 lower part of sample preparation platform is connect by four ropes 5 with pulley 7, and the pulley 7 is fixed on base crossbeam 9
On.The device can improve the precision of layering sample preparation, reduce the waste of soil sample.
Bit andits control display screen 20 is set on the oil pump control case 6, can be both arranged on the Bit andits control display screen 20
Displacement, and can show real-time displacement, the accurate layering during the preparation of soil sample can be realized by command displacement；
4 bottom of the jack be arranged solid metal column 402,402 bottom of the solid metal column by upper bolt 1801 with
Firming disk 18 connects, and compresses soil sample by firming disk 18, realizes the uniform effect of density of soil sample；
The firming disk 18 can select corresponding size according to the diameter dimension of pre-prepared soil sample, and 18 size of firming disk is replaceable, dress
Set utilization rate higher；
Non-contact displacement transducer 15 is arranged in 4 bottom side of the jack, and the non-contact displacement transducer 15 acquires
To displacement signal by gather circuit 17 in signal wire reach on microcontroller, by processing, be eventually displayed in Bit andits control
On display screen 20, by the way that non-contact displacement transducer 15 is arranged, keep preparation of soil sample process more accurate, efficiently；
Object platform 12 is hung in the setting of 1 vertical madial wall of the metal framework, and various sizes of metallic brush 11 is hung on hanging object platform 12, is led to
Soil sample surface shaving after crossing selection suitable dimension metallic brush 11 and pressing through, make up and down each layer soil it is tightly compacted, prevent soil
Layering；
It is each on the inside of 1 liang of vertical side walls of the metal framework that vertically semicircle sliding slot 13, the semicolumn of the sample preparation platform 3 are set at two
End 302 can move up and down in semicircle sliding slot 13, in conjunction with pulley 7, spring 16 and rope 5, realize that sample preparation platform 3 freely up and down moves
It is dynamic；
The both sides up and down of the semicircle styletable 302 are connected with spring 16, and semicircle styletable 302 is provided with bolt hole 303, in conjunction with cunning
Wheel 7 and rope 5 realize that sample preparation platform 3 freely up and down moves, and fix sample preparation platform 3 in designated position；
7 outside setting pulley rotation handle 8 of the pulley, the lifting of sample preparation platform 3 is realized by rotating pulley rotation handle 8, both
It is time saving and laborsaving；
Vertical bolt slot 27, the bolt is arranged in 1 lateral wall of metal framework corresponding with 13 position of semicircle sliding slot
Slot 27 and 13 unicom of semicircle sliding slot, the stabilization of simple realization sample preparation platform 3 and fixation；
The built-in T-type sliding slot 24 of setting on the inside of 1 one perpendicular side of the metal framework, T-type sliding block 23 can be in built-in T-type sliding slots 24 up and down
Sliding, the T-type sliding block 23 connect vernier column 25, and 25 retractable of vernier column can be counted accurately in conjunction with graduation mark 26
It calculates and declines displacement needed for firming disk 18 when sample preparation platform is located at different height, to realize accurate layering sample preparation；
The 24 side setting of built-in T-type sliding slot, with high graduation mark 26, can accurately calculate sample preparation platform and be located at different height with it
Decline displacement when spending needed for firming disk, to realize accurate layering sample preparation；
Central cross asterisk 301, limbus line 304 are set on the sample preparation platform 3, make the sample preparation cylinder 10 of different sizes, shape
It can be in the center of sample preparation platform 3 always, prevent bias；
Sample preparation cylinder 10 is placed on the sample preparation platform 3, magnetic scale patch 101 is posted on sample preparation cylinder 10, is made by magnetic scale patch 101
Displacement calculates more accurate, the accurate layering of realization, accurate sample preparation.
The method that liquid soil suppresses sample is carried out using above-mentioned experimental provision：
Explanation：For sake of convenience, this example takes triaxial consolidation to test sample preparation, and the prefabricated high h1 of soil sample is 80mm, and diameter d is 39.1mm,
Divide four layers of preparation.
The preparation of soil sample method of sampling device is suppressed using any one liquid soil, it includes the following steps：
Step1：Sample preparation cylinder 10 is placed, the firming disk 18 of a diameter of 39.1mm is installed, rotates pulley rotation handle 8 by sample preparation platform 3
It is parked that the insertion bolt slot 27 of bolt 14 is screwed into bolt hole 303, sample preparation platform 3 is fixed in appropriate location；
Step2：By moving up and down vernier column 25, precision ranging is carried out, note 402 height of solid metal column is h2, lower end firming
1802 height of disk is h3, the shortest distance, that is, jack 4 of 4 bottom plane of jack to 1 top cross-bar inner wall plane of metal framework
Height lower limit is h4, and the distance of 10 bottom plane of sample preparation cylinder to 1 top cross-bar inner wall plane of metal framework is h5, at this time displacement
The displacement reading of control display screen 20 is h4；
Step3：When calculating i-th layer of soil sample of preparation, decline displacement needed for firming disk 18：Si=h5-(h2+h3+h4)-i/4h1；
Step4：First layer soil sample is poured into sample preparation cylinder 10, with native knife is mixed substantially by the leveling of soil sample surface, is shown in Bit andits control
Input preset displacement h4+S1 on screen 20（When being compacted i-th layer of soil sample, preset displacement h4+Si）
Step5：Gear knob 19 on oil pump control case 6 is turned into pressing position, pressure rod 22 is shaken, makes jack 4
The flexible elongation of neck 401 pushes firming disk 18 to be pressed into sample preparation cylinder 10, when the reading on Bit andits control display screen 20 is close to h4+S1,
Slow down pressing speed, when displacement readings are preset displacement, stops pressurization.Because soil sample is there are certain free swelling rate, need to drink
Feelings stand a period of time；
Step6：Gear knob 19 is turned into decompression position, shakes pressure rod 22, so that firming disk 18 is attributed to former height, takes suitable
When second layer soil sample, repetition step 3-6, until the preparation of soil sample finishes is added in soil sample surface shaving by size metallic brush 11.System
When standby last layer of soil sample, one section of sleeve need to be added outside sample preparation cylinder 10, soil sample is avoided to waste.
Through the above description, those skilled in the art completely can be in the model without departing from this invention technological thought
In enclosing, various changes and amendments are carried out all within protection scope of the present invention.The unaccomplished matter of the present invention, belongs to ability
The common knowledge of field technique personnel.
Claims (10)
1. a kind of liquid soil suppresses sampling device, including metal framework（1）, jack（4）, sample preparation platform（3）, oil pump control case（6）,
It is characterized in that：The metal framework（1）Jack is arranged in top（4）, the jack（4）Bottom connects firming disk（18）,
The metal framework（1）Object platform is hung in madial wall setting（12）；
The metal framework（1）It is provided with sliding slot, sliding slot assembles sample preparation platform（3）, sample preparation platform（3）It can slide up and down, the system
Sample platform（3）Upper placement sample preparation cylinder（10）；
The jack（4）With oil pump control case（6）Between pass through gather circuit（17）Connection, the sample preparation platform（3）Lower part is logical
Cross rope（5）With pulley（7）Connection, the pulley（7）It is fixed on base crossbeam（9）On.
2. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The oil pump control case（6）On set
Set moves control display screen（20）, the Bit andits control display screen（20）For displacement, display real-time displacement to be arranged.
3. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The jack（4）Bottom is arranged
Solid metal column（402）, the solid metal column（402）Bottom passes through upper bolt（1801）With firming disk（18）Connection.
4. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The jack（4）Bottom side
Non-contact displacement transducer is set（15）, the non-contact displacement transducer（15）Collected displacement signal passes through set
Circuit（17）In signal wire reach microcontroller by processing, be eventually displayed in Bit andits control display screen（20）On.
5. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The metal framework（1）In vertical
Object platform is hung in side wall setting（12）, hang object platform（12）On hang various sizes of metallic brush（11）.
6. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The metal framework（1）It is two perpendicular
Semicircle sliding slot vertical at two is respectively set to inside sidewalls（13）, the sample preparation platform（3）Semicircle styletable（302）It can be half
Round sliding slot（13）In move up and down.
7. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The pulley（7）Outside setting is slided
Take turns rotational handle（8）, by rotating pulley rotation handle（8）Realize sample preparation platform（3）Lifting.
8. a kind of liquid soil suppresses sampling device according to claim 6, it is characterised in that：Described and semicircle sliding slot（13）Position
Set corresponding metal framework（1）Vertical bolt slot is arranged in lateral wall（27）, the bolt slot（27）It is slided with semicircle
Slot（13）Unicom.
9. a kind of liquid soil suppresses sampling device according to claim 1, it is characterised in that：The metal framework（1）One perpendicular side
The built-in T-type sliding slot of inside setting（24）, T-type sliding block（23）It can be in built-in T-type sliding slot（24）In slide up and down, the T-type is slided
Block（23）Connect vernier column（25）, the vernier column（25）It can freely stretch.
10. the preparation of soil sample method of the liquid soil compacting sampling device using above-mentioned 1-9 any one liquid soil compacting sampling devices,
It is characterized in that including the following steps：
Step 1：Place sample preparation cylinder（10）, firming disk is installed（18）, rotate pulley rotation handle（8）By sample preparation platform（3）It is parked in
Appropriate location, by bolt（14）It is inserted into bolt slot（27）, it is screwed into bolt hole（303）, by sample preparation platform（3）It is fixed；
Step 2：By moving up and down vernier column（25）, precision ranging is carried out, remembers a height of h1 of prefabricated soil sample, a point n-layer is compacted, solid
Metal column（402）Height is h2, lower end firming disk（1802）Height is h3, jack（4）Bottom plane is to metal framework（1）Top
The shortest distance, that is, jack of portion's crossbeam inner wall plane（4）Height lower limit is h4, sample preparation cylinder（10）Bottom plane is to metal framework
（1）The distance of top cross-bar inner wall plane is h5, at this time Bit andits control display screen（20）Displacement reading be h4；
Step 3：When calculating i-th layer of soil sample of preparation, firming disk（18）Required decline displacement：Si=h5-(h2+h3+h4)-i/nh1；
Step 4：I-th layer of soil sample is poured into sample preparation cylinder（10）, with native knife is mixed substantially by the leveling of soil sample surface, shown in Bit andits control
Screen（20）Upper input preset displacement h4+Si；
Step 5：By oil pump control case（6）On gear knob（19）Pressing position is turned to, pressure rod is shaken（22）, make very heavy
Top（4）Flexible neck（401）Elongation pushes firming disk（18）It is pressed into sample preparation cylinder（10）, when Bit andits control display screen（20）On reading
When number is close to h4+Si, slow down pressing speed, when displacement readings are preset displacement, stops pressurization；Because there is oneself certain in soil sample
By expansion rate, need to take the circumstances into consideration to stand a period of time；
Step 6：By gear knob（19）Decompression position is turned to, pressure rod is shaken（22）, make firming disk（18）It is attributed to former height,
Take appropriate size metallic brush（11）, by soil sample surface shaving, i+1 layer soil sample is added, repeats step 3-6, until soil sample system
It is standby to finish.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320940.7A CN108444787A (en) | 2018-04-11 | 2018-04-11 | A kind of liquid soil compacting sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320940.7A CN108444787A (en) | 2018-04-11 | 2018-04-11 | A kind of liquid soil compacting sampling device |
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| CN108444787A true CN108444787A (en) | 2018-08-24 |
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| CN201810320940.7A Pending CN108444787A (en) | 2018-04-11 | 2018-04-11 | A kind of liquid soil compacting sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567779A (en) * | 2019-10-10 | 2019-12-13 | 桂林电子科技大学 | Intelligent soil sample manufacturing device and sample manufacturing method |
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| CN110567779A (en) * | 2019-10-10 | 2019-12-13 | 桂林电子科技大学 | Intelligent soil sample manufacturing device and sample manufacturing method |
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