CN110132679A - A kind of sample preparing device for soil test - Google Patents
A kind of sample preparing device for soil test Download PDFInfo
- Publication number
- CN110132679A CN110132679A CN201910475522.XA CN201910475522A CN110132679A CN 110132679 A CN110132679 A CN 110132679A CN 201910475522 A CN201910475522 A CN 201910475522A CN 110132679 A CN110132679 A CN 110132679A
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- CN
- China
- Prior art keywords
- sample
- bar
- hit
- solidity
- sample preparation
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- 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sample preparing devices for soil test, including sample preparation cylinder, it is provided with one in sample preparation cylinder and hits real bar, real bar is hit in inverted T-shaped, firm offer and vertical upright bar are hit including horizontal, test soil sample is contained in sample preparation cylinder, the top of upright bar is fixedly connected with a connection sheet, connection sheet is horizontally disposed, connection sheet one end is fixedly connected with upright bar, the other end is fixedly connected with one and hits solidity measuring rod, it is parallel with the upright bar for hitting real bar to hit solidity measuring rod, the lower end for hitting solidity measuring rod is equipped with an observation arrow, graduation mark is vertically equipped on sample preparation cylinder lateral wall, when hitting real bar and being set in sample preparation cylinder, it hits firm offer and is contacted with the surface for testing soil sample, it is identical as height locating for firm offer is hit to observe the signified height of arrow.The present invention makes experimenter during compacted soil samples, and can facilitate each layer soil sample of control hits solidity and flatness to adjust in time.
Description
Technical field
The invention belongs to geotechnical engineering experimental rig technical fields, and in particular to a kind of sample preparation for soil test
Device.
Background technique
When studying the mechanical property of the soil body by research technique, cylinder remodeling sample especially needs to control compactness
Sample, be frequently used in a variety of tests, such as: unconfined compression test, static triarial test, dynamic triaxial tests.Test system
Layering sample preparation method is generally taken during sample, guarantees that the uniformity of sample compactness is most important to the accuracy of test result,
But in practical sample making course, due to the opacity of sample preparation film tool material, the compactness of each layer soil sample, soil sample surface is put down
Whole degree can not accurately be monitored and controlled, and reduce the quality of sample.
Summary of the invention
It is close the object of the present invention is to provide that can be monitored and controlled at any time when preparing cylindrical sample in a kind of soil test
The simple sample preparing device of solidity and flatness.
The technical solution adopted by the present invention are as follows:
A kind of sample preparing device for soil test, including sample preparation cylinder are provided with one in sample preparation cylinder and hit real bar, hit reality
Bar is in inverted T-shaped, hits firm offer and vertical upright bar including horizontal, test soil sample is contained in sample preparation cylinder, the top of upright bar is fixed to be connected
A connection sheet is connect, connection sheet is horizontally disposed, and connection sheet one end is fixedly connected with upright bar, and the other end is fixedly connected with one and hits solidity
Measuring rod, it is parallel with the upright bar for hitting real bar to hit solidity measuring rod, and the lower end for hitting solidity measuring rod is equipped with an observation arrow, sample preparation
It is vertically equipped with graduation mark on cylinder lateral wall, when hitting real bar and being set in sample preparation cylinder, firm offer is hit and is contacted with the surface for testing soil sample, sight
It is identical as height locating for firm offer is hit to examine the signified height of arrow.
Sample preparation drum outer wall indicates cylinder depth graduation mark, so as to during real sample is hit in layering Control Assay height to specific
Metal can be selected in the material of value, sample preparation cylinder, avoids preparing soil sample in high solidity specimen and causes to the extruding of sample preparation cylinder barrel
Deformation.
Further, the screw thread for connecting upright pole is offered on connection sheet length direction, at two close end respectively
For connecting the threaded hole two for hitting solidity measuring rod, the one end for opening up threaded hole one is equipped with opening, opening and spiral shell in hole one and one
Pit one is connected to, and the upright bar for hitting real bar passes through threaded hole one, and the two is connected through a screw thread, and twists in opening and set bolt, is passed through
Bolt tightens opening.
It opening in connection sheet and may be selected that rubber washer is arranged in threaded hole one, guarantee hitting real process with this
In, connection sheet will not can not remain horizontal because of shock, avoid causing connection sheet to glide because hitting during hitting reality
It causes to hit solidity control inaccuracy.
Preferably, groove there are two being opened up on connection sheet length direction, between threaded hole one and threaded hole two, respectively
For groove one and groove two, groove one is vertically arranged, and groove two is horizontally disposed.
It is further preferred that cylindricality air level is arranged in groove one and groove two.So as to Control Assay during hitting reality
The flatness on surface.
Compared with prior art, the invention has the advantages that:
Sample preparation cylinder of the present invention may be selected to be metal material and be made, and can be avoided and causes in preparing high solidity specimen
Sample preparation cylinder is squeezed and deformed；Sample preparation drum outer wall indicates deep calibration, solves and is unable to monitor soil sample since metal material is opaque
The problem of depth；Connection sheet be fixed on hit on real bar using opening, guarantee during hitting reality, connection sheet always with hit firm offer
Keeping parallelism；In such a way that nut hits solidity measuring rod from top fixation, avoids and glide during hitting reality.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention.
Fig. 2 is the vertical view graph structure of connection sheet of the invention.
Fig. 3 is density measurement bar schematic diagram of the invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be described in further detail:
As shown in Figure 1, a kind of sample preparing device for soil test, including sample preparation cylinder 6, one is provided in sample preparation cylinder
Real bar 1 is hit, real bar is hit in inverted T-shaped, hits firm offer and vertical upright bar including horizontal, test soil sample 8, upright bar are contained in sample preparation cylinder
Top be fixedly connected with a connection sheet 2, connection sheet is horizontally disposed, and connection sheet one end is fixedly connected with upright bar, and the other end is fixed
Solidity measuring rod 4 is hit in connection one, and it is parallel with the upright bar for hitting real bar to hit solidity measuring rod, and the lower end for hitting solidity measuring rod is equipped with one
A observation arrow 7 is vertically equipped with graduation mark on sample preparation cylinder lateral wall, when hitting real bar and being set in sample preparation cylinder, hits firm offer and test
The surface of soil sample contacts, and the signified height of observation arrow is identical as height locating for firm offer is hit.
Such as Fig. 2,3, the screw thread for connecting upright pole is offered on 2 length direction of connection sheet, at two close end respectively
For connecting two 2-5 of threaded hole for hitting solidity measuring rod, the one end for opening up one 2-2 of threaded hole is equipped with opening in one 2-2 and one, hole
2-1, opening 2-1 are connected to one 2-2 of threaded hole, and the upright bar for hitting real bar passes through threaded hole one, and the two is connected through a screw thread, and is being opened
It is twisted at mouthful and sets bolt, opening is tightened by bolt, further connection sheet is fixed on and is hit on real bar, avoids hitting real process
It is middle inaccurate because hitting solidity control caused by hitting downslide.It hits on solidity measuring rod and is provided with external screw thread 9, hit solidity measuring rod and pass through
Threaded hole two sets nut 3 by twisting on hitting solidity measuring rod, will hit solidity measuring rod and be fixed in connection sheet.
Such as Fig. 2, open up that there are two grooves on 2 length direction of connection sheet, between threaded hole one and threaded hole two, respectively
For two 2-4 of one 2-3 of groove and groove, groove one is vertically arranged, and groove two is horizontally disposed.It is arranged in one 2-3 of groove and groove two
Cylindricality air level, so as to the flatness on Control Assay surface during hitting reality.
Operation principle and process:
Sample preparation starts, and will hit real bar 1 and is put into the sample preparation cylinder 6 for being put into test soil sample not yet, and 2 height of adjustment connection sheet is simultaneously
Leveling is fixed on and hits on real bar 1, and it is constant that real 1 position of bar is hit in holding, will hit solidity measuring rod insertion 2 upper screwed hole two of connection sheet
In, adjustment arrow height makes it hit firm offer bottom at sustained height with hit real bar 1, fixation measuring bar 4；It takes out assembled
Real bar 1 is hit, the test soil sample weighed up is poured into sample preparation cylinder 6, while calculating this layer and testing the object height after native sample compacting,
With connect hit real bar 1 and compaction hammer carries out hitting reality, hit it is real during pay attention to scale corresponding to observation arrow 7 to adjust
The height of compaction hammer, while observation is fixedly connected with the cylindricality air level of on piece, solid horn degree is hit in adjustment, guarantees compacted soil samples surface water
It is flat.
Examples detailed above is the further explanation to invention, but protection scope of the present invention is subject to claims.
Claims (4)
1. a kind of sample preparing device for soil test, which is characterized in that including sample preparation cylinder, one is provided in sample preparation cylinder and is hit
Real bar hits real bar in inverted T-shaped, hits firm offer and vertical upright bar including horizontal, test soil sample, the top of upright bar are contained in sample preparation cylinder
End is fixedly connected with a connection sheet, and connection sheet is horizontally disposed, and connection sheet one end is fixedly connected with upright bar, and the other end is fixedly connected with one
A to hit solidity measuring rod, it is parallel with the upright bar for hitting real bar to hit solidity measuring rod, and the lower end for hitting solidity measuring rod is equipped with an observation
Arrow is vertically equipped with graduation mark on sample preparation cylinder lateral wall, when hitting real bar and being set in sample preparation cylinder, hits firm offer and tests the table of soil sample
Face contact, the signified height of observation arrow are identical as height locating for firm offer is hit.
2. a kind of sample preparing device for soil test according to claim 1, which is characterized in that connection leaf length side
Upwards, it offers a threaded hole one and one for connecting upright pole respectively at two close end and hits solidity measuring rod for connecting
Threaded hole two, the one end for opening up threaded hole one is equipped with opening, and opening is connected to threaded hole one, hits the upright bar of real bar across screw thread
Kong Yi, the two are connected through a screw thread, and are twisted in opening and set bolt, are tightened opening by bolt.
3. a kind of sample preparing device for soil test according to claim 2, which is characterized in that connection leaf length side
Upwards, it is opened up between threaded hole one and threaded hole two there are two groove, respectively groove one and groove two, groove one is vertical
Setting, groove two are horizontally disposed.
4. a kind of sample preparing device for soil test according to claim 3, which is characterized in that groove one and groove
Cylindricality air level is set in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475522.XA CN110132679A (en) | 2019-06-03 | 2019-06-03 | A kind of sample preparing device for soil test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475522.XA CN110132679A (en) | 2019-06-03 | 2019-06-03 | A kind of sample preparing device for soil test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110132679A true CN110132679A (en) | 2019-08-16 |
Family
ID=67579707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910475522.XA Pending CN110132679A (en) | 2019-06-03 | 2019-06-03 | A kind of sample preparing device for soil test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110132679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237725A (en) * | 2021-07-13 | 2021-08-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Low-temperature standardized sample preparation device and sample preparation method for ice-soil mixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998090A (en) * | 1975-11-07 | 1976-12-21 | The United States Of America As Represented By The Secretary Of The Army | Soil compactor |
| CN104316380A (en) * | 2014-11-11 | 2015-01-28 | 武汉市市政建设集团有限公司 | Sample preparation device for coarse-grained soil triaxial test and application method thereof |
| CN205941133U (en) * | 2016-08-23 | 2017-02-08 | 江西省交通科学研究院 | Remolded sample prepares ware |
| CN106644649A (en) * | 2017-01-20 | 2017-05-10 | 清华大学 | Triaxial sample preparation device for hammer-type rockfill materials and use method |
| CN107727468A (en) * | 2017-10-27 | 2018-02-23 | 桂林理工大学 | Calibrate the preparation method for hitting sample device of perpendicularity |
-
2019
- 2019-06-03 CN CN201910475522.XA patent/CN110132679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998090A (en) * | 1975-11-07 | 1976-12-21 | The United States Of America As Represented By The Secretary Of The Army | Soil compactor |
| CN104316380A (en) * | 2014-11-11 | 2015-01-28 | 武汉市市政建设集团有限公司 | Sample preparation device for coarse-grained soil triaxial test and application method thereof |
| CN205941133U (en) * | 2016-08-23 | 2017-02-08 | 江西省交通科学研究院 | Remolded sample prepares ware |
| CN106644649A (en) * | 2017-01-20 | 2017-05-10 | 清华大学 | Triaxial sample preparation device for hammer-type rockfill materials and use method |
| CN107727468A (en) * | 2017-10-27 | 2018-02-23 | 桂林理工大学 | Calibrate the preparation method for hitting sample device of perpendicularity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237725A (en) * | 2021-07-13 | 2021-08-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Low-temperature standardized sample preparation device and sample preparation method for ice-soil mixture |
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Application publication date: 20190816 |