CN216870156U - Dog bone formula soil body tensile test system appearance mould - Google Patents
Dog bone formula soil body tensile test system appearance mould Download PDFInfo
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- CN216870156U CN216870156U CN202122731081.0U CN202122731081U CN216870156U CN 216870156 U CN216870156 U CN 216870156U CN 202122731081 U CN202122731081 U CN 202122731081U CN 216870156 U CN216870156 U CN 216870156U
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- 239000002689 soil Substances 0.000 title claims abstract description 43
- 238000009864 tensile test Methods 0.000 title claims abstract description 17
- 210000000988 bone and bone Anatomy 0.000 title claims description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000003934 vacuole Anatomy 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a dog-bone type soil body tensile test sample preparation mold, which belongs to the technical field of preparation devices of samples for tests and comprises a mold opening mechanism and a fixed bottom plate, wherein the mold opening mechanism is formed by sequentially connecting a first clamping section mold, a tensile mold group and a second clamping section mold to form a cavity structure, and the mold opening mechanism is detachably arranged on the fixed bottom plate. The dog-bone type soil body tensile test sample preparation mold can conveniently prepare more soil body tensile samples with different lengths through the mold opening mechanism and the fixing bottom plate with the screw holes, can research the strength of a soil body and the change rule of the soil body under different sizes, and is convenient for deeply knowing the tensile characteristic of the soil body.
Description
Technical Field
The utility model relates to the technical field of preparation devices of samples for tests, in particular to a dog-bone-type soil body tensile test sample preparation mold.
Background
In the geotechnical field, the research on the soil body stretching at the present stage is not deep enough, because the measuring methods have many defects, thereby limiting the understanding of students on the soil body stretching and further solving the engineering problems related to the soil body stretching, so far, at home and abroad, the stretching characteristics of the soil body are mainly tested by some conventional tests (including direct tests and indirect tests), wherein the indirect methods and simulation tests can indirectly calculate the soil body stretching strength, but because the data of the direct tests are closer to reality, many students develop the improvement on stretching devices, but the experimental device is not perfect, and many problems are often accompanied, such as the incapability of adapting to soil samples with various sizes, the loosening of clamping sections, the eccentricity and the stress concentration, partial students improve the device, the local stress concentration is avoided, the stress concentration of the connecting part of the clamping section and the stretching section is ignored, the device is suitable for soil samples with single size, and a large number of experimental parameters cannot be obtained to measure the strength of the soil body more accurately, so that a sample for testing the tensile property of the soil body can be manufactured, the test requirements on the shape and the size can be met, the test precision is ensured, and the device is very significant for the research on the tensile property of the soil body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of ultraviolet verification and provides a dog-bone soil body tensile test sample preparation mold.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a dog bone formula soil body tensile test system appearance mould, includes die sinking mechanism and PMKD, die sinking mechanism is connected the vacuole formation structure by first centre gripping section mould, tensile mould group and second centre gripping section mould order, die sinking mechanism detachable installs on PMKD.
Preferably, the mold opening mechanism is a cavity structure formed in a dog bone shape by sequentially connecting a first clamping section mold, a stretching mold set and a second clamping section mold, and the stretching mold set comprises a first stretching section mold and/or a second stretching section mold.
Preferably, a plurality of screw holes are formed in the fixed base plate, the first clamping section die, the second clamping section die, the first stretching section die and the second stretching section die are also respectively provided with screw holes with the same size, and the die sinking mechanism and the fixed base plate are fixedly connected through corresponding bolts.
Preferably, the cavity of the first clamping section mold and the cavity of the second clamping section mold are formed by arc lines and straight lines in a transition mode, and one ends of the first clamping section mold and the second clamping section mold are respectively attached to the first stretching section mold and the second stretching section mold.
Preferably, the first clamping section mould, the first stretching section mould, the second stretching section mould and the second clamping section mould are respectively provided with corresponding square clamping grooves.
Preferably, the thickness specification of the first stretching section die is 1cm, and the thickness specification of the second stretching section die is 2 cm.
Compared with the prior art, the utility model has the following beneficial effects:
the dog-bone type soil body tensile test sample preparation mold can conveniently prepare more soil body tensile samples with different lengths through the mold opening mechanism and the fixing bottom plate with the screw holes, can research the strength of a soil body and the change rule of the soil body under different sizes, is convenient for deeply knowing the tensile characteristic of the soil body, can effectively avoid the loosening, the eccentricity and the stress concentration of a clamping section in a tensile test by utilizing the sample prepared by the dog-bone type mold, improves the test precision, can ensure that the tensile section mold is tightly attached to the clamping section mold without dislocation due to the arrangement of the square clamping groove, and further improves the stability of the sample preparation by bolts at two ends.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the first clamp section mold on the left side of FIG. 1;
FIG. 3 is a schematic structural view of the second clamp segment mold on the right side of FIG. 1;
FIG. 4 is a schematic view of the drawing die set of FIG. 1;
FIG. 5 is a schematic diagram of the first drawing stage die of FIG. 1;
fig. 6 is a schematic structural view of the fixed base plate of the present invention.
In the figure: 1. a first clamping section mold; 2. a first stretch section die; 7. a second stretching section die 8 and a second clamping section die; 9. a screw hole; 10. and fixing the bottom plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1, a dog-bone soil body tensile test sample preparation mold comprises a mold opening mechanism and a fixed bottom plate 10, wherein the mold opening mechanism is formed by sequentially connecting a first clamping section mold 1, a tensile mold group and a second clamping section mold 8, and the mold opening mechanism is detachably mounted on the fixed bottom plate 10;
as shown in fig. 1, the mold opening mechanism is a dog-bone-shaped cavity structure formed by sequentially connecting a first clamping section mold 1, a stretching mold group and a second clamping section mold 8, and a proper soil sample can be placed in the cavity;
as shown in fig. 4, the drawing die set includes a first drawing segment die 2 and/or a second drawing segment die 7;
as shown in fig. 5, the first clamping section mold 1, the first stretching section mold 2, the second stretching section mold 7 and the second clamping section mold 8 are respectively provided with corresponding square clamping grooves, so that parts can be attached tightly without dislocation;
as shown in fig. 4, the thickness specification of the first stretching section die 2 is 1cm, the thickness specification of the second stretching section die 7 is 2cm, as shown in fig. 6, a plurality of screw holes 9 are formed in the fixed base plate 10, the first clamping section die 1, the second clamping section die 8, the first stretching section die 2 and the second stretching section die 7 are also respectively provided with the screw holes 9 with the same size, and the die opening mechanism and the fixed base plate 10 are connected and fixed by using corresponding bolts;
specifically, the drawing die set can be freely matched and combined according to actual use requirements, a single first drawing section die 2 and a single second drawing section die 7 can be combined with a first clamping section die 1 and a second clamping section die 8 respectively to form a sample making die, a plurality of first drawing section dies 2 and a plurality of second drawing section dies 7 can be combined with the first clamping section die 1 and the second clamping section die 8 respectively to form a sample making die, the length of the sample making die can be freely combined as required, a plurality of screw holes 9 are correspondingly formed in a fixed bottom plate 10, the interval between the screw holes 9 in the middle area of the fixed bottom plate 10 is 1cm, and the first drawing section die 2, the second drawing section die 7, the first clamping section die 1 and the second clamping section die 8 are all installed with the fixed bottom plate 10 through bolts;
as shown in fig. 1-3, the cavities of the first clamping section mold 1 and the second clamping section mold 8 are formed by arc line and straight line transition, and one end of the first clamping section mold 1 and one end of the second clamping section mold 8 are respectively attached to the first stretching section mold 2 and the second stretching section mold 7 to form a cavity for a user to put in a soil sample.
When the mould is used, firstly, selecting corresponding stretching section moulds according to the length of a soil body required to be stretched in a soil body stretching characteristic test for combination, then connecting the selected stretching section moulds with two clamping section moulds in sequence through corresponding square clamping grooves, aligning screw holes 9 on the stretching section moulds and the two clamping section moulds with screw holes 9 on a fixed bottom plate, carrying out secondary fixation by using bolts, uniformly coating a layer of vaseline in a cavity of a split mould mechanism, selecting a proper soil sample, carrying out air drying treatment, grinding and sieving the soil blocks, then, using a four-diagonal sampling method to take out enough representative samples, putting the representative samples into a mould opening mechanism, using a dog bone type vibrating rod with a corresponding size to carry out compaction treatment on the soil sample in five layers, finally carrying out demoulding to obtain a soil body stretching sample meeting conditions, and putting the soil body stretching sample into a corresponding stretching device, and then the soil body tensile test can be carried out.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a dog bone formula soil body tensile test system appearance mould, its characterized in that, includes die sinking mechanism and PMKD (10), die sinking mechanism is connected the vacuole formation structure by first centre gripping section mould (1), tensile mould group and second centre gripping section mould (8) order, die sinking mechanism detachable installs on PMKD (10).
2. The dog-bone soil body tensile test sample preparation mold according to claim 1, characterized in that: the mold opening mechanism is a cavity structure formed in a dog bone shape by sequentially connecting a first clamping section mold (1), a stretching mold set and a second clamping section mold (8), and the stretching mold set comprises a first stretching section mold (2) and/or a second stretching section mold (7).
3. The dog-bone soil body tensile test sample preparation mold according to claim 2, characterized in that: a plurality of screw holes (9) are formed in the fixing bottom plate (10), the first clamping section die (1), the second clamping section die (8), the first stretching section die (2) and the second stretching section die (7) are also respectively provided with the screw holes (9) with the same size, and the die sinking mechanism and the fixing bottom plate (10) are fixedly connected through corresponding bolts.
4. The dog-bone soil body tensile test sample preparation mold according to claim 3, characterized in that: the cavity of first centre gripping section mould (1) and second centre gripping section mould (8) comprises pitch arc and sharp transition, the one end of first centre gripping section mould (1), second centre gripping section mould (8) is laminated with first tensile section mould (2), the tensile section mould of second (7) respectively mutually.
5. The dog-bone soil body tensile test sample preparation mold according to claim 4, characterized in that: the first clamping section mould (1), the first stretching section mould (2), the second stretching section mould (7) and the second clamping section mould (8) are respectively provided with corresponding square clamping grooves.
6. The dog-bone soil body tensile test sample preparation mold according to claim 5, characterized in that: the thickness specification of the first stretching section die (2) is 1cm, and the thickness specification of the second stretching section die (7) is 2 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731081.0U CN216870156U (en) | 2021-11-09 | 2021-11-09 | Dog bone formula soil body tensile test system appearance mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731081.0U CN216870156U (en) | 2021-11-09 | 2021-11-09 | Dog bone formula soil body tensile test system appearance mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870156U true CN216870156U (en) | 2022-07-01 |
Family
ID=82125357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122731081.0U Active CN216870156U (en) | 2021-11-09 | 2021-11-09 | Dog bone formula soil body tensile test system appearance mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870156U (en) |
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2021
- 2021-11-09 CN CN202122731081.0U patent/CN216870156U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Tangyi Information Technology Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980002000 Denomination of utility model: A dog bone type soil tensile test sample making mold Granted publication date: 20220701 License type: Common License Record date: 20240206 |