CN205426554U - A bolt agrees with extension cutting ring that fetches earth for sand shear test - Google Patents
A bolt agrees with extension cutting ring that fetches earth for sand shear test Download PDFInfo
- Publication number
- CN205426554U CN205426554U CN201620107341.3U CN201620107341U CN205426554U CN 205426554 U CN205426554 U CN 205426554U CN 201620107341 U CN201620107341 U CN 201620107341U CN 205426554 U CN205426554 U CN 205426554U
- Authority
- CN
- China
- Prior art keywords
- cutting ring
- permeable stone
- sand
- bolt
- lengthening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a test device specifically is a bolt agrees with extension cutting ring that fetches earth for sand shear test, including cylindric extra long cutting ring and permeable stone, extra long cutting ring one end have the cutting ring blade, the permeable stone through a plurality of fixing device install the extension cutting ring the other end in. The utility model provides a bolt agrees with extension cutting ring that fetches earth for sand shear test, permeable stone pass through the bolt fastening after putting into extra long cutting ring, make extension cutting ring and permeable stone become a whole, and the sample can not spill in the sample process, receives the disturbance less. Have the cover effect after simultaneously the permeable stone agrees with with the extension cutting ring, the permeable stone is equivalent to that the cutting ring lid covers the sand sample, also can not be out of shape at the in -process sample of immigration staight scissors box, and the sample does not have the disturbance totally. The device has not only improved experimental rate of accuracy and the efficiency of sand shear strength to be applicable to experiments such as sand density, the range of application is wide.
Description
Technical field
This utility model relates to a kind of assay device, agrees with lengthening particularly for the bolt of sand shearing test and fetches earth cutting ring.
Background technology
In Geological Engineering field, sand soil classifiction and test method are always one of problem of people's extensive concern.Can correctly and efficiently measure sand soil classifiction, be directly connected to the win or lose of engineering.For sand shear strength test and method of testing, sampling process is avoided soil disturbance most important.Therefore, cutting ring sampling is crucial.Different from the general soil body, sand class cohesion is more weak, have that sampling is difficult, put into the instruments such as direct shear apparatus during the mobile shortcoming such as inconvenient, directly affect the Accurate Determining of the shear strength parameter of sandy soil.Sand entirety cannot be taken out by existing cutting ring, moves into intactly and carries out the tests such as staight scissors in direct shear box.
Utility model content
For above-mentioned technical problem, this utility model provides one to fetch earth cutting ring, can not only be sampled sand, moreover it is possible to complete mobile sample carries out the tests such as shearing strength.
Concrete technical scheme is:
Bolt for sand shearing test agrees with lengthening and fetches earth cutting ring, and including cylindric lengthening cutting ring and permeable stone, there is cutting ring cutting edge described lengthening cutting ring one end, and described permeable stone is arranged in the other end of lengthening cutting ring by multiple fixing devices.
Described fixing device includes bolt, described bolt one end is provided with arc clamp, the other end connects with handles, described bolt is arranged in the screwed hole lengthening cutting ring sidewall, arc clamp is in lengthening the groove of inwall of cutting ring, and arc clamp blocks the sidewall of permeable stone and is fixed on by permeable stone in lengthening cutting ring.
The bolt for sand shearing test that this utility model provides agrees with lengthening and fetches earth cutting ring, and permeable stone is bolted after putting into lengthening cutting ring, makes lengthening cutting ring and permeable stone become an entirety, and in sampling process, sample will not spill, less by disturbance.Permeable stone has covering effect with lengthening after cutting ring agrees with simultaneously, and permeable stone is equivalent to cutting ring lid and is covered by sand sample, and during moving into direct shear box, sample also will not deform, and sample is entirely without disturbance.This device not only increases accuracy rate and the efficiency of sand shear strength test, and is applicable to the tests such as sand density, applied range.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model；
Fig. 2 is fixture structure schematic diagram of the present utility model.
Detailed description of the invention
Accompanying drawings detailed description of the invention of the present utility model.
As shown in Figure 1, bolt for sand shearing test agrees with lengthening and fetches earth cutting ring, including cylindric lengthening cutting ring 2 and permeable stone 3, there is cutting ring cutting edge 1 described lengthening cutting ring 2 one end, and described permeable stone 3 is arranged on by multiple fixing devices in the other end lengthening cutting ring 2.
As depicted in figs. 1 and 2, described fixing device includes bolt 5, described bolt 5 one end is provided with arc clamp 4, the other end connects with handles 6, described bolt 5 is arranged in the screwed hole lengthening cutting ring 2 sidewall, arc clamp 4 is in lengthening the groove of inwall of cutting ring 2, and arc clamp 4 blocks the sidewall of permeable stone 3 and is fixed on by permeable stone 3 in lengthening cutting ring 2.
Being provided with four fixing devices on lengthening cutting ring 2 sidewall of the present embodiment, i.e. have four bolts 5, average 90 ° arrange a bolt 5.Handle 6 can be pinched so that exerting oneself swivel bolt 5 when.Arc clamp 4 thickness is about 1/3rd of lengthening cutting ring 2 wall thickness.Arc clamp 4 radian is consistent with the inwall lengthening cutting ring 2, and the groove shapes of the inwall lengthening cutting ring 2 is consistent with arc clamp 4 shape, and agrees with completely.When bolt 5 rotates and back-outs, arc clamp 4 just falls back in groove, seamless, to avoid sand to enter hole, affects the accuracy of location parameter.
After fetching earth, cutting ring cutting edge 1 is upwards, lengthening cutting ring 2, permeable stone 3 and sand sample entirety is placed on direct shear box, need not add permeable stone in direct shear box again.Being rotated by bolt 5 and back-out, with direct shear box lid, sand sample and permeable stone 3 are pushed direct shear box downward vertically, can directly carry out the next-step operation of shearing test, soil sample is entirely without disturbance.
Claims (1)
1. agree with lengthening for the bolt of sand shearing test to fetch earth cutting ring, it is characterized in that: include lengthening cutting ring (2) and the permeable stone (3) of cylindrical shape, there is cutting ring cutting edge (1) described lengthening cutting ring (2) one end, and described permeable stone (3) is arranged on by multiple fixing devices in the other end lengthening cutting ring (2)；Described fixing device includes bolt (5), described bolt (5) one end is provided with arc clamp (4), the other end connects (6) with handles, described bolt (5) is arranged in the screwed hole lengthening cutting ring (2) sidewall, arc clamp (4) is in lengthening the groove of inwall of cutting ring (2), and arc clamp (4) blocks the sidewall of permeable stone (3) and is fixed on by permeable stone (3) in lengthening cutting ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107341.3U CN205426554U (en) | 2016-02-01 | 2016-02-01 | A bolt agrees with extension cutting ring that fetches earth for sand shear test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107341.3U CN205426554U (en) | 2016-02-01 | 2016-02-01 | A bolt agrees with extension cutting ring that fetches earth for sand shear test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426554U true CN205426554U (en) | 2016-08-03 |
Family
ID=56539995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620107341.3U Expired - Fee Related CN205426554U (en) | 2016-02-01 | 2016-02-01 | A bolt agrees with extension cutting ring that fetches earth for sand shear test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426554U (en) |
-
2016
- 2016-02-01 CN CN201620107341.3U patent/CN205426554U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |