CN206832542U - A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure - Google Patents
A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure Download PDFInfo
- Publication number
- CN206832542U CN206832542U CN201720228809.9U CN201720228809U CN206832542U CN 206832542 U CN206832542 U CN 206832542U CN 201720228809 U CN201720228809 U CN 201720228809U CN 206832542 U CN206832542 U CN 206832542U
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- cylinder
- sample
- top cover
- cylindrical drum
- spring
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Abstract
The utility model provides a kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure, including top cover, three valve structure cylindrical drums, base, spring；The three valve structures cylindrical drum is arranged on base, is provided with top cover provided with spring, the three valve structures cylindrical drum top between the two；Preparation facilities, which is integrally positioned on sample-pressing device or hydraulic press, suppresses three axle samples.The utility model apparatus main body is cut using steel car and formed, and processing is simple, and engine lathe and milling machine can be completed；The device coordinates hydraulic press to use, and compared with common method for making sample, the sample that the present apparatus suppresses is uniformly not stratified, high yield rate and sample making speed is greatly speeded up；The present apparatus can effectively solve the problems, such as that soil sample can not be stripped with sample preparation device adhesion.The device simple structure, easy to operate, practicality is high, there is good application prospect.
Description
Technical field
The utility model belongs to earthwork test Instrument apparatus field, and in particular to a kind of geotechnological three axle samples of Bidirectional-pressure
Preparation facilities.
Background technology
Triaxial apparatus is powerful, is one of most important instrument in soil test.But the manipulated soil system of existing triaxial apparatus
Sample device is compacting process sample preparation or Uniaxial Compression sample preparation.Soil adds in three times during compacting process sample preparation, wastes time and energy, compacting process sample preparation
Also result in sample and lamination occur, influence test accuracy；Common unidirectional sample-pressing device is influenceed by barrel side friction, is made
Sample top density is larger, and bottom density is smaller, Density inhomogeneity, can equally influence test accuracy.
In addition, for cohesive soil, sample is made in film cylinder is held, sample often be present when taking out sticks three petals, it is difficult to
The problem of taking-up, percussion is usually taken or other modes take out sample, again soil sample original state can be caused to change.
Utility model content
The defects of existing for prior art, the utility model provide a kind of preparation dress of the geotechnological three axle samples of Bidirectional-pressure
Put, the device can not only suppress three axle samples of high quality evenly, and can solve to suppress after sample sample can not be from
The problem of smoothly being taken out in mould, while extend die life.
To reach above-mentioned purpose, the utility model uses following technical scheme：
A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure, including top cover, three valve structure cylindrical drums, base, spring；
The three valve structures cylindrical drum is arranged on base, is provided with top provided with spring, the three valve structures cylindrical drum top between the two
Lid；Preparation facilities, which is integrally positioned on sample-pressing device or hydraulic press, suppresses three axle samples.
The top cover includes top cover head, insertion cylinder, metal bar, solid cylinder, screw；The top cover head and solid cylinder
Global formation, an insertion cylinder is provided with top cover head, size and the insertion cylinder of the metal bar match, and insertion insertion is justified
Cylinder uses；The screw is evenly distributed in the bolt hole of the downside of top cover and the upside of internal solid cylinder.
The three valve structures cylindrical drum includes three 1/3 cylindrical drums, cranses, and the structure snd size of three 1/3 cylindrical drums are complete
Exactly the same, a side of each cylindrical drum side wall is provided with " ＜ " shape projection, and another side is provided with " ＞ " connected in star, " ＜ " shape is dashed forward
Rise and be used cooperatively with " ＞ " connected in star, three 1/3 cylindrical drums is pieced together complete cylindrical drum, the cuff hoop is at three 1/3
Cylindrical drum collectively constitutes the outside of three valve structure cylindrical drums；Two sections are provided with along interior in the topmost inner side edge of three 1/3 cylindrical drums
The square indentations of side wall distribution, two sections of grooves are smoothly connected；First groove accommodates screw just, and the second groove deflects away from end
1/3 cylinder barrel shaped can only partly accommodate screw into un-grooved end；Wall thickness on the upside of the lower wall thickness ratio of three 1/3 cylindrical drums
Degree is big.
The base includes pressurization cylinder, spring protection cylinder, bottom cap；The external diameter of the pressurization cylinder is equal to or slightly less than
Three valve structure cylindrical drum internal diameters, for suppressing soil sample；The external diameter of the spring protection cylinder is used slightly larger than the external diameter of pressurization cylinder
In control soil sample height and spring is protected, the bottom of the spring is placed on the cap of bottom, and top is placed in three valve structure cylindrical drum bottoms
In the lateral incision groove in portion.
Compared with prior art, the utility model have substantive distinguishing features prominent as follows and it is notable the advantages of：
The utility model experimental rig main body is cut using steel car and formed, and processing is simple, and engine lathe and milling machine can be complete
Into；The device coordinates hydraulic press to use, and compared with prior art sample preparation, the sample suppressed through the present apparatus is uniformly not stratified, into
Product rate is high and greatly speeds up sample preparation speed；The present apparatus can effectively solve the problems, such as that soil sample can not be stripped with sample preparation device adhesion.The dress
Simple structure is put, easy to operate, practicality is high, there is good application prospect.
Brief description of the drawings
Fig. 1 is the preparation facilities total figure of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 2 is the preparation facilities top cover upward view of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 3 is the preparation facilities coping screw of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 4 is the valve structure cylindrical drum top view of preparation facilities three of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 5 is the cylindrical drum top view of preparation facilities 1/3 of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 6 is the valve structure cylindrical drum upward view of preparation facilities three of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 7 is the preparation facilities cuff sectional view of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Fig. 8 is the preparation facilities base vertical view of the geotechnological three axle samples of the utility model Bidirectional-pressure.
Embodiment
It is shown below in conjunction with the accompanying drawings, following explanation is done to the utility model embodiment.
As shown in Figures 1 to 8, the preparation facilities of the geotechnological three axle samples of a kind of Bidirectional-pressure, including top cover 1, three valve structures
Cylindrical drum, base 11, spring 10；The three valve structures cylindrical drum installation is on the pedestal 11, described between the two provided with spring 10
Three valve structure cylindrical drum tops are provided with top cover 1；Preparation facilities, which is integrally positioned on sample-pressing device or hydraulic press, suppresses three axle samples.
As shown in Figure 1, Figure 2 and Figure 3, the top cover 1 includes top cover first 2, insertion cylinder 3, metal bar 3-1, solid cylinder
4th, screw 5-1 ~ 5-3；The top cover first 2 and the global formation of solid cylinder 4, an insertion cylinder 3 is provided with top cover first 2, it is described
Metal bar 3-1 size matches with insertion cylinder 3, and insertion insertion cylinder 3 uses；Screw 5-1 ~ the 5-3 is evenly distributed on
In bolt hole 5-4 ~ 5-6 of the downside of top cover 2 and the upside of internal solid cylinder 4.Wherein the screw thread specification of screw is M2.5 × 0.35.
As shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the three valve structures cylindrical drum include three 1/3 cylindrical drums 6,7,8,
Cranse 9, the structure snd size of three 1/3 cylindrical drums 6,7,8 are identical, and a side of each cylindrical drum side wall is provided with " ＜ " shape
Projection 6-3, another side are provided with " ＞ " connected in star 6-4, " ＜ " shape projection 6-3 and " ＞ " connected in star 6-4 are used cooperatively, make three
Individual 1/3 cylindrical drum 6,7,8 pieces together complete cylindrical drum, and the cuff 9 is bound round collectively constitutes three in three 1/3 cylindrical drums 6,7,8
The outside of valve structure cylindrical drum, internal diameter 53.75 at internal diameter 54 ± 0.1mm, 9-2 at cranse 9 the external diameter 70mm, 9-1 ±
0.1mm.Three 1/3 cylindrical drums 6,7,8 topmost inner side edge be provided with two sections along madial wall distribution square indentations 6-1,
6-2, two sections of grooves are smoothly connected；First groove 6-1 accommodates screw 5-1 ~ 5-3, the second groove 6-2 and deflects away from 1/3 in end just
Cylinder barrel shaped can only partly accommodate screw 5-1 ~ 5-3 into un-grooved end；As shown in figure 5, the first groove 6-1 accommodates spiral shell just
Silk 5-1 ~ 5-3, its sectional dimension are 2.5mm × 2.5mm, and the slot stick band center of circle and cylindrical drum are concentric, i.e., all in O1Place；Second is recessed
Groove 6-2 deflects away from 1/3 cylinder barrel shaped in end into un-grooved end, and the center of circle that slot stick band is formed is in O2Place.
As illustrated in figures 1 and 8, the base 11 includes pressurization cylinder 12, spring protection cylinder 13, bottom cap 14；It is described to add
The external diameter of pressure cylinder 12 is equal to or slightly less than three valve structure cylindrical drum internal diameters, for suppressing soil sample；The spring protection cylinder 13
External diameter slightly larger than pressurization cylinder 12 external diameter, for control soil sample height and protect spring 10, the bottom of the spring 10 is put
Put on bottom cap 14, top is placed in the lateral incision groove 6-6 of three valve structure cylindrical drum bottoms.
In this example, the first 2 diameter 50mm of top cover, thickness 20mm in top cover 1；Penetrate 3 a diameter of 8mm of cylinder, metal bar
3-1 6 ~ 7mm of diameter, 100 ~ 150mm of length；Screw 5-1 ~ 5-3 thread sizes are M2.5 × 0.35,3 ~ 5mm of screw length, screw
The non-tapping of 2.5mm is arranged at top；Bolt hole 5-4 ~ 5-6 and screw 5-1 ~ 5-3 are supporting, and screw thread specification is M2.5 × 0.35, screw thread bottom
5 ~ 8mm of hole depth, screw 5-1 ~ 5-3 are screwed into bolt hole 5-4 ~ 5-6 respectively；Solid cylinder 4 a diameter of 39.1mm, high 40mm.
Three valve structure cylindrical drum upper inner diameters are 39.1mm, external diameter 50mm, high 160mm, lower inner diameter 39.1mm, outer
Footpath is 60mm.First groove 6-1 groove sizes are 2.5mm × 2.5mm；It is recessed that three 1/3 cylindrical drums 6,7,8 cut square in bottom
Groove, groove size are 5mm × 5mm, and cylindrical drum is 50mm most descending overall diameter at 5mm.
Base 11（Fig. 1, Fig. 8）Middle pressurization cylinder 12 diameter 39.1mm, high 40mm, the diameter 50mm of spring protection cylinder 13 are high
15mm, the diameter 60mm of bottom cap 14, high 10 ~ 20mm are spent, structure described in base 11 is an entirety, is formed by lathe process.
The central diameter D of spring 102For 55mm, drift 60mm, number of active coils 6 ~ 8 encloses, and stiffness factor k is 3N/mm.
Application method example：
The first step：Base 11 is placed into workbench, spring 10 is placed on base 11, and the bottom of spring 10 is placed into bottom cap just
On 14.
Second step：Three 1/3 cylindrical drums 6,7,8 piece together three valve structure cylindrical drums, and cuff 9 is from top to bottom locked three valve knots
Structure cylindrical drum, paying attention to three 1/3 cylindrical drums 6,7,8 of three valve structure cylindrical drums can align.Three valve structure cylindrical drums are placed into
On base 11, spring 10 entangles lateral incision groove 6-6, and pressurization cylinder 12 is just in pluggable three valve structure cylinders.
3rd step：The soil sample configured is uniformly poured into from top in three valve structure cylindrical drums, and top cover 1 is justified from three valve structures
Column casing top is inserted, and pays attention to making screw 5-1 ~ 5-3 be directed at the first groove 6-1.
4th step：The present apparatus is held up from bottom and is vertically placed on hydraulic press or manual pressure-like machine, and applying pressure makes this dress
Put immovable.
5th step：The present apparatus is taken out from hydraulic press, returns cuff 9.Metal bar 3-1 is inserted into insertion cylinder 3, holds three
Valve structure cylindrical drum, while the metal bar 3-1 that turns clockwise, three valve structure cylindrical drums are opened, can directly take out soil sample and enter automatically
Row subsequent experimental.
Claims (3)
1. the preparation facilities of the geotechnological three axle samples of a kind of Bidirectional-pressure, it is characterised in that including top cover（1）, three valve structure cylinders
Cylinder, base（11）, spring（10）；The three valve structures cylindrical drum is arranged on base（11）On, between the two provided with spring（10）,
The three valve structures cylindrical drum top is provided with top cover（1）；Preparation facilities, which is integrally positioned on sample-pressing device or hydraulic press, suppresses three axles
Sample；The three valve structures cylindrical drum includes three 1/3 cylindrical drums（6,7,8）, cranse（9）, three 1/3 cylindrical drums（6,7,8）
Structure snd size it is identical, a side of each cylindrical drum side wall is provided with " ＜ " shape projection（6-3）, another side is provided with
" ＞ " connected in star（6-4）, by " ＜ " shape projection（6-3）With " ＞ " connected in star（6-4）It is used cooperatively, makes three 1/3 cylindrical drums（6,
7,8）Piece together complete cylindrical drum, the cranse（9）Hoop is in three 1/3 cylindrical drums（6,7,8）Collectively constitute three valve structures circle
The outside of column casing；In three 1/3 cylindrical drums（6,7,8）Topmost inner side edge be provided with two sections along madial wall distribution it is square recessed
Groove（6-1、6-2）, two sections of grooves are smoothly connected；First groove（6-1）Just screw is accommodated（5-1~5-3）, the second groove（6-2）
1/3 cylinder barrel shaped is deflected away from end into un-grooved end, can only partly accommodate screw（5-1~5-3）；Three 1/3 cylindrical drums（6,
7,8）Lower wall thickness ratio on the upside of wall thickness it is big.
2. the preparation facilities of the geotechnological three axle samples of Bidirectional-pressure according to claim 1, it is characterised in that the top cover
（1）Include top cover head（2）, insertion cylinder（3）, metal bar（3-1）, solid cylinder（4）, screw（5-1~5-3）；The top cover head
（2）With solid cylinder（4）Global formation, top cover head（2）On be provided with one insertion cylinder（3）, the metal bar（3-1）Size
With penetrating cylinder（3）Match, insertion insertion cylinder（3）Use；The screw（5-1~5-3）It is evenly distributed on top cover head（2）
Downside and solid cylinder（4）Upside bolt hole（5-4~5-6）In.
3. the preparation facilities of the geotechnological three axle samples of Bidirectional-pressure according to claim 1, it is characterised in that the base
（11）Include pressurization cylinder（12）, spring protection cylinder（13）, bottom cap（14）；The pressurization cylinder（12）External diameter be equal to or slightly
Less than three valve structure cylindrical drum internal diameters, for suppressing soil sample；The spring protection cylinder（13）External diameter slightly larger than pressurization cylinder
（12）External diameter, for controlling soil sample height and protecting spring（10）, the spring（10）Bottom be placed on bottom cap（14）On,
Top is placed in the lateral incision groove of three valve structure cylindrical drum bottoms（6-6）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228809.9U CN206832542U (en) | 2017-03-10 | 2017-03-10 | A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228809.9U CN206832542U (en) | 2017-03-10 | 2017-03-10 | A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832542U true CN206832542U (en) | 2018-01-02 |
Family
ID=60780823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228809.9U Expired - Fee Related CN206832542U (en) | 2017-03-10 | 2017-03-10 | A kind of preparation facilities of the geotechnological three axle samples of Bidirectional-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832542U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978617A (en) * | 2018-07-23 | 2018-12-11 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of parallel Intelligent pressing |
| CN109238796A (en) * | 2018-07-23 | 2019-01-18 | 绍兴文理学院 | A kind of three axis sample sample preparation devices of Bidirectional-pressure |
| CN111693345A (en) * | 2020-06-09 | 2020-09-22 | 中国矿业大学 | Liquid sample flexible shell and auxiliary tool and method for manufacturing same |
| CN113125221A (en) * | 2021-04-08 | 2021-07-16 | 昆明理工大学 | Triaxial test sample preparation device and sample preparation method thereof |
| CN114166601A (en) * | 2021-12-02 | 2022-03-11 | 浙江大学 | Bidirectional press-in type triaxial sample preparation device and method based on soil stress history |
-
2017
- 2017-03-10 CN CN201720228809.9U patent/CN206832542U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978617A (en) * | 2018-07-23 | 2018-12-11 | 绍兴文理学院 | A kind of three axis sample sample preparation technique of parallel Intelligent pressing |
| CN109238796A (en) * | 2018-07-23 | 2019-01-18 | 绍兴文理学院 | A kind of three axis sample sample preparation devices of Bidirectional-pressure |
| CN109238796B (en) * | 2018-07-23 | 2020-11-03 | 绍兴文理学院 | Two-way pressurized triaxial sample preparation device |
| CN111693345A (en) * | 2020-06-09 | 2020-09-22 | 中国矿业大学 | Liquid sample flexible shell and auxiliary tool and method for manufacturing same |
| CN113125221A (en) * | 2021-04-08 | 2021-07-16 | 昆明理工大学 | Triaxial test sample preparation device and sample preparation method thereof |
| CN114166601A (en) * | 2021-12-02 | 2022-03-11 | 浙江大学 | Bidirectional press-in type triaxial sample preparation device and method based on soil stress history |
| CN114166601B (en) * | 2021-12-02 | 2022-10-21 | 浙江大学 | Bidirectional press-in type triaxial sample preparation device and method based on soil stress history |
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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: 20180102 Termination date: 20190310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |