CN108693048B - Side slope three-dimensional shearing test device - Google Patents
Side slope three-dimensional shearing test device Download PDFInfo
- Publication number
- CN108693048B CN108693048B CN201810447510.1A CN201810447510A CN108693048B CN 108693048 B CN108693048 B CN 108693048B CN 201810447510 A CN201810447510 A CN 201810447510A CN 108693048 B CN108693048 B CN 108693048B
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- clamping
- sleeve
- shaped sleeve
- sample
- base
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a side slope three-dimensional shear test device which comprises a base, wherein a sample middle clamping device is fixed on the base, a large U-shaped sleeve matched with the shape of a sample is arranged on the base and corresponds to clamping devices at two ends of the sample, a ball is embedded on the inner side wall of the large U-shaped sleeve, pushing devices are arranged on two sides of the large U-shaped sleeve, a pressurizing device is arranged above the large U-shaped sleeve, the pressurizing device is fixed on a support, and the support is fixed on the base. According to the invention, the pressurizing device applies pressure to the large U-shaped sleeve, and the ball is arranged in the large U-shaped sleeve, so that the large U-shaped sleeve can apply pressure to the sample more uniformly, and the slope pressurized environment can be simulated more accurately.
Description
Technical Field
The invention relates to a side slope three-dimensional shear test device.
Background
Traditional side slope three-dimensional shear test device is fixed with sample both ends clamping device on the base including the base to dispose pressure device. However, the side slope three-dimensional shear test device does not realize relatively uniform pressure application on a single side, and cannot realize multi-angle pressure application.
Disclosure of Invention
The invention aims to solve the technical problem of providing a side slope three-dimensional shear test device.
Therefore, the slope three-dimensional shear test device provided by the invention comprises a base, wherein an intermediate jacket device is fixed on the base, a large U-shaped sleeve matched with a sample in shape is arranged on the base corresponding to the intermediate jacket device, a ball is embedded on the inner side wall of the large U-shaped sleeve, a small U-shaped sleeve is embedded in the inner side of the ball, pushing devices are arranged on two sides of the large U-shaped sleeve, a pressurizing device is arranged above the small U-shaped sleeve, the pressurizing device is fixed on a support, the support is fixed on the base, and a clamping device for two ends of the sample is further arranged on the base.
The invention has the technical effects that: according to the slope test device, the two ends of the strip-shaped slope test sample can be clamped by the two-end clamping devices, the pushing device applies pressure to the large U-shaped sleeve, and the ball is arranged in the large U-shaped sleeve and can enable the large U-shaped sleeve to apply pressure to the test sample more uniformly, so that the slope compression environment can be simulated more accurately.
Drawings
Fig. 1 is a schematic structural plan view of a slope three-dimensional shear test device provided by the invention.
Fig. 2 is a schematic side structural plan view of the sample two-end clamping device, the sample, the small U-shaped sleeve and the large U-shaped sleeve in the slope three-dimensional shear test device in fig. 1.
Detailed Description
Referring to fig. 1 and 2, the slope three-dimensional shear test device provided by the invention comprises a base 1, wherein a middle jacket device is fixed on the base 1, a large U-shaped sleeve 4 matched with a sample 3 in shape is arranged on the base 1 corresponding to the middle jacket device, a ball 5 is embedded on the inner side wall of the large U-shaped sleeve 4, the ball 5 is generally arranged in the ball sleeve, the ball 5 is exposed out of a circular opening at the inner end of the ball sleeve, a small U-shaped sleeve 13 is embedded in the inner side of the ball 5, pushing devices 6 are arranged at two sides of the large U-shaped sleeve 4, the pushing devices 6 are swingable levers, the inner ends of the levers are pushing rods, weight supports are arranged at the outer ends of the levers, transverse pushing force is applied by adding weights, the pushing devices 6, a pressurizing device 7 is arranged above the large U-shaped sleeve 6, the pressurizing device 7 simulates slope compression, the pressurizing device 7 is fixed on the support 8, the support, the pressurizing device 7 is of a downward-pressing lever structure, the fulcrum of the lever is arranged on the support 8, the middle section of the lever is provided with a downward-pressing ejector rod, the tail end of the lever is provided with a weight support, the lower end of the downward-pressing ejector rod is provided with a pressing block capable of covering an opening above the small U-shaped sleeve 13, and downward pressure is applied by adding weights.
Referring to fig. 1 and 2, in the above embodiment, the two-end clamping device for a test sample includes a clamping sleeve 9 and a clamping plate 10, the clamping plate 10 is provided with a clamping driving device 11 for clamping inward, the inner side of the clamping plate 10 is provided with a first rough surface, the outer side of the clamping sleeve 9 is provided with a second rough surface corresponding to the first rough surface of the clamping plate 10, the clamping plate 10 is sleeved on a connecting shaft 12 and can move back and forth relative to the connecting shaft 12, the clamping sleeve 9 is fixed on the inner end of the connecting shaft 12, the clamping sleeve 9 is sleeved on the two ends of the test sample, the clamping driving device 11 drives the clamping plate 10 to clamp the clamping sleeve 9, the clamping driving device 11 in this embodiment is arranged on the outer side of the clamping plate 10, the connecting shaft 12 passes through the clamping driving device 11, the clamping driving device 11 is actually a pushing motor, and a transverse push rod 15 extending out of a hollow of the pushing motor is fixed with the clamping plate 10, the connecting shaft 12 simultaneously penetrates through the hollow transverse ejector rod 15, the ejector motor ejects the clamping plate 10, the clamping plate 10 clamps the clamping sleeve 9, and a user can rotate the clamping sleeve 9 to enable the sample to rotate, so that the direction of the ejection force applied to the sample is changed. The small U-shaped sleeve 13 and the large U-shaped sleeve 6 are of a split structure and can be taken out of the large U-shaped sleeve 6, and a sample can be sleeved into the small U-shaped sleeve 13 and then is put into the large U-shaped sleeve 6, so that the structure is favorable for the adaptation of the sample and the small U-shaped sleeve 13 and the uniform force application of the large U-shaped sleeve 6 to the small U-shaped sleeve 13 through the steel balls 5. In addition, the structure that the connecting shaft 12 penetrates through the transverse ejector rod 15 enables the whole clamping driving device 11, the clamping plate 10 and the clamping sleeve 9 to have stronger integrity, so that accurate ejection force can be applied, the clamping sleeve 9 can rotate relative to the clamping plate 10 and an ejection motor, and the pressed part can be changed to simulate stress under different environments.
Claims (4)
1. The utility model provides a side slope three-dimensional shear test device which characterized by: the device comprises a base, wherein a middle clamping sleeve device is fixed on the base, a large U-shaped sleeve matched with a sample in shape is arranged on the base corresponding to the middle clamping sleeve device, a ball is embedded in the inner side wall of the large U-shaped sleeve, a small U-shaped sleeve is embedded in the inner side of the ball, pushing devices are arranged on two sides of the large U-shaped sleeve, a pressurizing device is arranged above the small U-shaped sleeve, the pressurizing device is fixed on a support, the support is fixed on the base, and clamping devices at two ends of the sample are also arranged on the base.
2. The slope solid shear test device of claim 1, wherein: the clamping device comprises a clamping sleeve and a clamping plate, wherein the clamping sleeve can clamp two ends of a sample, the clamping plate is provided with a clamping driving device which clamps inwards, the inner side of the clamping plate is provided with a first rough surface, the outer side of the clamping sleeve is provided with a second rough surface corresponding to the first rough surface of the clamping plate, the clamping plate is sleeved on the connecting shaft and can move back and forth relative to the connecting shaft, the clamping sleeve is fixed on the inner side end of the connecting shaft, the clamping sleeve is sleeved on two ends of the sample, and the clamping driving device drives the clamping plate to clamp the clamping sleeve.
3. The slope solid shear test device according to claim 2, characterized in that: the small U-shaped sleeve and the large U-shaped sleeve are of split structures and can be taken out of the large U-shaped sleeve.
4. The slope solid shear test device according to claim 2 or 3, wherein: the clamping driving device is arranged on the outer side of the clamping plate, the clamping driving device is a pushing motor, the pushing motor extends out of the hollow transverse ejector rod and is fixed with the clamping plate into a whole, and the connecting shaft penetrates through the hollow transverse ejector rod and the clamping driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447510.1A CN108693048B (en) | 2018-05-11 | 2018-05-11 | Side slope three-dimensional shearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447510.1A CN108693048B (en) | 2018-05-11 | 2018-05-11 | Side slope three-dimensional shearing test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108693048A CN108693048A (en) | 2018-10-23 |
| CN108693048B true CN108693048B (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810447510.1A Expired - Fee Related CN108693048B (en) | 2018-05-11 | 2018-05-11 | Side slope three-dimensional shearing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693048B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458238B (en) * | 2020-04-09 | 2023-06-09 | 中南林业科技大学 | Assembled rock-soil body slope in-situ direct shear test device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006125949A (en) * | 2004-10-27 | 2006-05-18 | Japan Conservation Engineers Co Ltd | System allowing shear box to freely rotate in shearing process of single shear test |
| CN103616301A (en) * | 2013-12-16 | 2014-03-05 | 浙江水利水电学院 | Soil body shearing testing device and soil body shearing method |
| CN104034606A (en) * | 2014-06-03 | 2014-09-10 | 同济大学 | Multifunctional geotechnical synthesized material interface direct shear apparatus |
| CN105606460A (en) * | 2015-12-22 | 2016-05-25 | 中南大学 | Contact surface equal-strain direct shear apparatus and sample preparation method thereof |
| CN205280512U (en) * | 2015-12-16 | 2016-06-01 | 鞍钢股份有限公司 | Shear test device |
-
2018
- 2018-05-11 CN CN201810447510.1A patent/CN108693048B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006125949A (en) * | 2004-10-27 | 2006-05-18 | Japan Conservation Engineers Co Ltd | System allowing shear box to freely rotate in shearing process of single shear test |
| CN103616301A (en) * | 2013-12-16 | 2014-03-05 | 浙江水利水电学院 | Soil body shearing testing device and soil body shearing method |
| CN104034606A (en) * | 2014-06-03 | 2014-09-10 | 同济大学 | Multifunctional geotechnical synthesized material interface direct shear apparatus |
| CN205280512U (en) * | 2015-12-16 | 2016-06-01 | 鞍钢股份有限公司 | Shear test device |
| CN105606460A (en) * | 2015-12-22 | 2016-05-25 | 中南大学 | Contact surface equal-strain direct shear apparatus and sample preparation method thereof |
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| CN108693048A (en) | 2018-10-23 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 Termination date: 20210511 |