CN214276881U - Rock deformation testing arrangement - Google Patents
Rock deformation testing arrangement Download PDFInfo
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- CN214276881U CN214276881U CN202120203354.1U CN202120203354U CN214276881U CN 214276881 U CN214276881 U CN 214276881U CN 202120203354 U CN202120203354 U CN 202120203354U CN 214276881 U CN214276881 U CN 214276881U
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- displacement sensor
- rock
- linear displacement
- rock deformation
- shell
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Abstract
The utility model discloses a rock deformation testing arrangement, including casing, linear displacement sensor and stay cord formula displacement sensor. The shell is hollow, and a linear displacement sensor and a pull rope type displacement sensor are arranged in the shell. The utility model discloses a set up the horizontal strain of linear displacement sensor test rock deformation, stay-supported displacement sensor test rock deformation vertical strain has improved elastic modulus's value and test data's accuracy, has reduced the experimental error and has produced the influence to follow-up experimental data processing. The utility model discloses saved the loaded down with trivial details step of pasting resistance strain gauge on the rock surface, made the operation succinct more, reduced the accumulative total error that appears in the experimentation.
Description
Technical Field
The utility model relates to a rock deformation detection device technical field, more specifically relates to a rock deformation testing arrangement.
Background
Uniaxial compression of rock refers to the strength, deformation and failure characteristics of rock that are exhibited by uniaxial compression. Through the experiment, a rock uniaxial compression experiment method is mastered, a calculation method of rock uniaxial compressive strength, elastic modulus and Poisson ratio is learned, and deformation characteristics and failure types of the rock uniaxial compression process are known. The prior art is to obtain the rock strain by sticking two groups of strain gauges in the transverse direction and the longitudinal direction on the rock surface. However, if the resistance strain gauge is just adhered to the surface of the internal cracks of the rock in the deformation test process, the internal cracks, external gravel particles and the like cause the sample to be easily subjected to shear failure, the compressive strength value of the rock detected by the resistance strain gauge is obviously lower, and the value of the elastic modulus and the accuracy of the test data are directly influenced, so that the test result is deviated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to current use the resistance strain gauge in order to cause the not enough of deviation as a result, provide a rock deformation testing arrangement.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a rock deformation testing arrangement, includes casing and linear displacement sensor, the casing cavity, the bottom in the casing is equipped with rock test block placer, shells inner wall is equipped with not less than two linear displacement sensor, wherein has two linear displacement sensor's highly uniform at least. When the rock test block bears vertical load, the rock both sides can produce horizontal deformation, make the diameter grow of rock, the utility model provides a linear displacement sensor's probe receives the shrink to reach the horizontal strain on this cross-section.
Furthermore, the inner wall of the shell is provided with two linear displacement sensors, and probes of the two linear displacement sensors are arranged in opposite directions.
Further, the linear displacement sensor is a spring self-recovery linear displacement sensor.
Further, rock deformation testing arrangement still includes clamp and stay cord formula displacement sensor, and stay cord formula displacement sensor installs on the casing, and the stay cord end is connected with the clamp. When the rock test block bears vertical load, the vertical shrink that can produce under the effect of pressure of rock, the clamp also can produce the displacement downwards for the base, and stay cord formula displacement sensor's probe links to each other with the clamp, and stay cord formula displacement sensor's stay cord can be back to the shrink to reach the vertical meeting an emergency of rock.
Further, the clamp is the steel wire clamp, and the clamp inboard is equipped with the packing ring.
Further, the gasket is rubber or sponge.
Further, the clamp is of a screw fastening type.
Furthermore, one side of the shell is provided with a round hole for placing a rock test block.
Compared with the prior art, the beneficial effects are:
the utility model discloses a set up spring self-resuming linear displacement sensor test rock deformation transverse strain, improved elastic modulus's value and test data's accuracy, reduced the experimental error and produced the influence to follow-up experimental data processing. The utility model discloses in set up the two steel wire clamps of interior rubber pad and transmit vertical displacement for stay-supported displacement sensor, the cushioning effect of rubber pad can not cause great influence to rock lateral deformation simultaneously. The utility model discloses saved the loaded down with trivial details step of pasting resistance strain gauge on the rock surface, made the operation succinct more, reduced the accumulative total error that appears in the experimentation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the shell structure of the present invention.
The device comprises a guide rail 1, a rock test block 2, a shell 3, a double-steel-wire hoop 4, a pull rope type displacement sensor 5 and a spring self-recovery linear displacement sensor 6.
Detailed Description
The following examples are further explained and illustrated, but the specific examples are not intended to limit the present invention in any way. Unless otherwise indicated, the methods and equipment used in the examples are conventional in the art and all materials used are conventional commercially available materials.
Example 1
As shown in the figure, the utility model comprises a shell 3, a double-wire clamp 4, a pull rope type displacement sensor 5 and two spring self-recovery linear displacement sensors 6. The casing 3 is hollow cuboid shape, wherein goes up the bottom surface and opens and do not seal, and a circular port is opened to lower bottom surface for place rock test block 2.
The middle of the inner wall of the two sides of the shell 3 is provided with a guide rail 1, the two spring self-recovery linear displacement sensors 6 are respectively placed in the guide rails 1, the top probes of the spring self-recovery linear displacement sensors 6 can be tightly attached to the two sides of the rock test block 2, the heights of the probes of the two spring self-recovery linear displacement sensors 6 are consistent, and the extension lines of the probes pass through the diameter of the positive section of the rock test block 2. When the rock test block 2 bears the vertical load, the two sides of the rock test block 2 can generate transverse deformation, so that the diameter of the rock test block 2 is increased, and the probe of the spring self-recovery linear displacement sensor 6 is contracted, thereby obtaining the strain on the section.
Install stay cord formula displacement sensor 5 on the casing 3, the probe of stay cord formula displacement sensor stay cord 5 links to each other with two steel wire clamps 4, and two steel wire clamps 4 install additional on rock test block 2, and the rubber packing ring is laid to two steel wire clamps 4 inboards, and the right amount of available screw fastens. When rock test block 2 bears vertical load, the vertical shrink that can produce under the effect of pressure of rock test block 2, two steel wire clamps 4 also can be for the downward displacement that produces of base, and stay cord formula displacement sensor 5's probe links to each other with the clamp, and stay cord formula displacement sensor 5's stay cord can be back to contract to reach the vertical meeting an emergency of rock test block 2.
Example 2
The utility model discloses a casing 3, a two steel wire clamps 4, a stay cord formula displacement sensor 5 and two spring self recovery straight line displacement sensor 6. The casing 3 is hollow cuboid shape, wherein goes up the bottom surface and opens and do not seal, and a circular port is opened to lower bottom surface for place rock test block 2.
The inner walls of four sides around the shell 3 are respectively provided with a guide rail 1, the spring self-recovery linear displacement sensors 6 are respectively placed in the guide rails 1, the top probes of the spring self-recovery linear displacement sensors 6 can be tightly attached to two sides of the rock test block 2, the heights of the probes of the two opposite spring self-recovery linear displacement sensors 6 are consistent, and the extension lines of the probes pass through the diameter of the positive section of the rock test block 2. When the rock test block 2 bears the vertical load, the two sides of the rock test block 2 can generate transverse deformation, so that the diameter of the rock test block 2 is increased, and the probe of the spring self-recovery linear displacement sensor 6 is contracted, thereby obtaining the strain on the section.
Install stay cord formula displacement sensor 5 on the casing 3, the probe of stay cord formula displacement sensor stay cord 5 links to each other with two steel wire clamps 4, and two steel wire clamps 4 install additional on rock test block 2, and the rubber packing ring is laid to two steel wire clamps 4 inboards, and the right amount of available screw fastens. When rock test block 2 bears vertical load, the vertical shrink that can produce under the effect of pressure of rock test block 2, two steel wire clamps 4 also can be for the downward displacement that produces of base, and stay cord formula displacement sensor 5's probe links to each other with the clamp, and stay cord formula displacement sensor 5's stay cord can be back to contract to reach the vertical meeting an emergency of rock test block 2.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The rock deformation testing device is characterized by comprising a shell and linear displacement sensors, wherein the shell is hollow, a rock test block placing device is arranged in the shell, no less than two linear displacement sensors are arranged on the inner wall of the shell, and at least two linear displacement sensors are consistent in height.
2. A rock deformation testing device according to claim 1, characterized in that the inner wall of the shell is provided with two linear displacement sensors, and probes of the two linear displacement sensors are arranged in opposite directions.
3. A rock deformation testing device according to claim 1, further comprising a clamp and a pull rope type displacement sensor, wherein the pull rope type displacement sensor is mounted on the housing, and a pull rope end of the pull rope type displacement sensor is connected with the clamp.
4. A rock deformation testing device according to claim 1, wherein the linear displacement sensor is a spring self-restoring linear displacement sensor.
5. A rock deformation testing device according to claim 1, wherein one side of the shell is provided with a round hole for placing a rock test block.
6. A rock deformation testing device according to claim 3, wherein the clamp is a wire clamp with a washer on the inside.
7. A rock deformation testing device according to claim 6, wherein the washer is rubber or sponge.
8. A rock deformation test apparatus according to claim 3, wherein the clamp is of the screw-fastening type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203354.1U CN214276881U (en) | 2021-01-25 | 2021-01-25 | Rock deformation testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203354.1U CN214276881U (en) | 2021-01-25 | 2021-01-25 | Rock deformation testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214276881U true CN214276881U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120203354.1U Active CN214276881U (en) | 2021-01-25 | 2021-01-25 | Rock deformation testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214276881U (en) |
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2021
- 2021-01-25 CN CN202120203354.1U patent/CN214276881U/en active Active
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