CN220772725U - Rock triaxial test machine - Google Patents
Rock triaxial test machine Download PDFInfo
- Publication number
- CN220772725U CN220772725U CN202321451215.6U CN202321451215U CN220772725U CN 220772725 U CN220772725 U CN 220772725U CN 202321451215 U CN202321451215 U CN 202321451215U CN 220772725 U CN220772725 U CN 220772725U
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- frame
- electric telescopic
- telescopic rod
- plate
- pressure
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- 239000011435 rock Substances 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009778 extrusion testing Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a rock triaxial test machine, which comprises a frame, wherein four groups of pressure applying mechanisms are arranged in the frame, the four groups of pressure applying mechanisms are respectively arranged in the middle of four inner walls of the frame, the frame is of a hollow structure with one end open, a rectangular limiting ring is welded in the middle of an inner cavity of the frame, the pressure applying mechanisms comprise electric telescopic rods, one ends of the electric telescopic rods are provided with pressure detection assemblies, the pressure detection assemblies are provided with extrusion plates, the electric telescopic rods are detachably arranged on the inner walls of the frame, the technical field of the rock test machine is related, and the four groups of pressure applying mechanisms are arranged, so that stress conditions in other three directions can be tested according to one group of pressure applying mechanisms which are not used, and the test in any three directions can be realized when a rock sample or a concrete sample is not replaced, so that the test is more convenient and efficient.
Description
Technical Field
The utility model relates to the technical field of rock testing machines, in particular to a rock triaxial testing machine.
Background
In the test for researching various mechanical properties of rock, a true triaxial rock tester is a commonly used device mainly used for providing three-directional and unequal pressures to a rock sample or a concrete sample so as to simulate the true stress state of rock in a stratum.
Only three axial pressure applying mechanisms are arranged in the existing triaxial test machine, when the rock sample or the concrete sample is tested in three directions and then the other three directions of the rock sample or the concrete sample are required to be tested, the rock sample or the concrete sample is required to be rotated and replaced; for example, a square rock sample or concrete sample has four sides (side a, side B, side C and side D), and pressure testing is initially performed on three sides of side a, side B and side C, and when testing is required on sides a, B and D, the rock sample or concrete sample needs to be replaced so that side C faces the direction in which no pressure mechanism is applied; similarly, when the side A, the side C and the side D, or the side B, the side C and the side D are used, the rock sample piece or the concrete sample piece is required to be replaced; the test is not consistent, making the test slower.
Disclosure of Invention
The present utility model has been made in view of the problems existing in the existing rock triaxial test machine.
Therefore, the utility model aims to provide the rock triaxial test machine, which solves the problems that the existing triaxial test machine is only provided with three axial pressure applying mechanisms, when the rock sample or the concrete sample is tested in three directions, the rock sample or the concrete sample is required to be rotated and replaced when the other three directions of the rock sample or the concrete sample are required to be tested, and the test is inconsistent, so that the test is slower.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
the rock triaxial test machine comprises a frame, wherein pressure applying mechanisms are arranged in the frame, four groups of pressure applying mechanisms are arranged, and the four groups of pressure applying mechanisms are respectively arranged in the middle of four inner walls of the frame.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the frame is of a hollow structure with one end open, and a rectangular limiting ring is welded in the middle of an inner cavity of the frame.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the pressure applying mechanism comprises an electric telescopic rod, a pressure detecting assembly is arranged at one end of the electric telescopic rod, a squeezing plate is arranged on the pressure detecting assembly, and the electric telescopic rod is detachably arranged on the inner wall of the frame.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the inner wall of the frame is welded with a supporting connecting seat, the inner wall of the supporting connecting seat is inserted with the electric telescopic rod, the corresponding positions of the electric telescopic rod and the supporting connecting seat are provided with internal threaded holes, and the electric telescopic rod and the supporting connecting seat are fixed through bolts.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the pressure detection assembly comprises a first supporting plate, one end of the first supporting plate is fixedly connected with a pipe body, the inner wall of the pipe body is connected with a rod body in a sliding mode, a spring is sleeved on the rod body and the pipe body together, the tail end of the rod body is fixedly connected with the extruding plate in a welded mode, and one end of the first supporting plate, far away from the pipe body, is fixedly connected with an electric telescopic rod.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the extruding plate is welded with a scale plate, scale lines are arranged on the scale plate, and zero scale lines in the scale lines are aligned with the tail end of the pipe body.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: the pressure detection assembly comprises a second supporting plate, a pressure sensor is fixedly installed on the second supporting plate, and one end of the pressure sensor is fixedly connected with the extrusion plate.
As a preferable scheme of the rock triaxial tester according to the present utility model, wherein: and one end of the second supporting plate, which is far away from the pressure sensor, is fixedly connected with an electric telescopic rod.
Compared with the prior art:
through setting up four sets of applying pressure mechanism to can be according to not using one of them applying pressure mechanism, the atress condition of other three orientation is tested, thereby can realize the test of arbitrary three orientation when not relocating rock sample piece or concrete sample piece, make the test more convenient, high-efficient.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model;
FIG. 2 is an enlarged view of the pressure applying mechanism according to embodiment 1 of the present utility model;
fig. 3 is a schematic view of a support connection seat provided in embodiment 1 of the present utility model;
fig. 4 is a schematic structural diagram of embodiment 2 of the present utility model.
In the figure: the device comprises a frame 1, a pressure applying mechanism 2, a pressure sensor 20, a support connecting seat 21, an electric telescopic rod 22, a first support plate 23, a squeeze plate 24, a spring 25, a pipe body 26, a rod body 27, a scale plate 28, a second support plate 29 and a rectangular limiting ring 3.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Example 1:
the utility model provides a rock triaxial test machine, please refer to fig. 1-3, which comprises a frame 1, wherein an application pressure mechanism 2 is arranged in the frame 1, the application pressure mechanism 2 is provided with four groups, and according to specific requirements, which three sides of a sample are subjected to extrusion test, and the other application pressure mechanism 2 is not used, so that the extrusion test on any three sides of the sample can be completed without changing the positions of the sample, and the four groups of application pressure mechanisms 2 are respectively arranged in the middle of four inner walls of the frame 1.
The frame 1 is one end open-ended hollow structure, and the welding of inner chamber middle part of frame 1 has rectangular spacing ring 3, places frame 1 on the platform, and the height of exerting pressure mechanism 2 is higher than spacing ring 3, therefore spacing ring 3's effect is spacing to the bottom of rock sample piece or concrete sample piece, can not disturb the motion of stripper plate 24.
The pressure applying mechanism 2 comprises an electric telescopic rod 22, the electric telescopic rod 22 can be replaced by a hydraulic rod, the hydraulic rod can be selected according to actual needs, power is provided for movement of the extruding plate 24, a pressure detecting assembly is arranged at one end of the electric telescopic rod 22, the extruding plate 24 is arranged on the pressure detecting assembly, and the electric telescopic rod 22 is detachably arranged on the inner wall of the frame 1.
The inner wall of the frame 1 is welded with a support connecting seat 21, the inner wall of the support connecting seat 21 is inserted with an electric telescopic rod 22, the corresponding positions of the electric telescopic rod 22 and the support connecting seat 21 are respectively provided with an internal threaded hole, and the electric telescopic rod 22 and the support connecting seat 21 are fixed through bolts; the detachable mounting of the pressure detection assembly is achieved by means of the support connection 21.
The pressure detection assembly comprises a first support plate 23, one end of the first support plate 23 is fixedly connected with a pipe body 26, the inner wall of the pipe body 26 is in sliding connection with a rod body 27, a spring 25 is sleeved on the rod body 27 and the pipe body 26 together, the tail end of the rod body 27 is welded and connected with a fixed connection extrusion plate 24, and one end of the first support plate 23, far away from the pipe body 26, is fixedly connected with an electric telescopic rod 22; the first support plate 23 and the pressing plate 24 are welded to both ends of the spring 25, respectively.
The extruding plate 24 is welded with a scale plate 28, the scale plate 28 is provided with scale marks, zero scale marks in the scale marks are aligned with the tail end of the pipe body 26, the tail end of the pipe body 26 is provided with a pointer, and the pointer points to the zero scale marks; specifically, when the spring 25 is in a normal state (not stretched nor compressed), the zero scale points to the end of the quasi-tubular body 26, so that when the extrusion plate 24 receives the reaction force of the rock sample or the concrete sample, the spring 25 is compressed and the rod body 27 enters the tubular body 26 at the same time, so that the extrusion force received by the extrusion plate 24 can be judged according to the compressed length of the spring 25, and the force applied by the extrusion plate 24 to the rock sample or the concrete sample can be known; force graduations can be provided on the graduation board 28 (so that the spring coefficient of the spring 25 is constant, and thus the magnitude of the force can be known from the distance of contraction).
In specific use, a square rock or concrete sample is produced and placed in the rectangular stop collar 3, (referring to fig. 1, the upper side of the rock or concrete sample is referred to as the upper surface, the left side is referred to as the left surface, the lower side is referred to as the lower surface, and the right side is referred to as the right surface), and if pressure testing is required for the left, lower and right surfaces, the left, lower and right pressure applying mechanisms 2 are used for the test: the electric telescopic rod 22 extends to the extrusion plate 24 to apply pressure to the rock sample piece or the concrete sample piece, and the value of the applied pressure is known according to the position of the scale mark pointed by the observation pointer; according to the other three surfaces to be tested, the pressure applying mechanism 2 corresponding to the other surface is not required to be used.
Example 2:
referring to fig. 4, unlike example 1, there is: the pressure detection assembly comprises a second supporting plate 29, a pressure sensor 20 is fixedly installed on the second supporting plate 29, one end of the pressure sensor 20 is fixedly connected with the extrusion plate 24, and one end, far away from the pressure sensor 20, of the second supporting plate 29 is fixedly connected with the electric telescopic rod 22.
In specific use, a square rock or concrete sample is produced and placed in the rectangular stop collar 3, (referring to fig. 4, the upper side of the rock or concrete sample is referred to as the upper surface, the left side is referred to as the left surface, the lower side is referred to as the lower surface, and the right side is referred to as the right surface), and if pressure testing is required for the left, lower and right surfaces, the left, lower and right pressure applying mechanisms 2 are used for the test: the electric telescopic rod 22 extends to the extrusion plate 24 to apply pressure to the rock sample piece or the concrete sample piece, and the extrusion force is obtained according to the pressure sensor 20; according to the other three surfaces to be tested, the pressure applying mechanism 2 corresponding to the other surface is not required to be used.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The rock triaxial test machine comprises a frame (1), wherein a pressure applying mechanism (2) is arranged in the frame (1), and the rock triaxial test machine is characterized in that: the four groups of pressure applying mechanisms (2) are arranged, and the four groups of pressure applying mechanisms (2) are respectively arranged in the middle of the four inner walls of the frame (1);
the pressure applying mechanism (2) comprises an electric telescopic rod (22), a pressure detecting assembly is arranged at one end of the electric telescopic rod (22), a squeezing plate (24) is arranged on the pressure detecting assembly, and the electric telescopic rod (22) is detachably arranged on the inner wall of the frame (1);
the pressure detection assembly comprises a first support plate (23), one end of the first support plate (23) is fixedly connected with a pipe body (26), the inner wall of the pipe body (26) is connected with a rod body (27) in a sliding mode, springs (25) are sleeved on the rod body (27) and the pipe body (26) together, the tail end of the rod body (27) is fixedly connected with the extrusion plate (24) in a welding mode, and one end, far away from the pipe body (26), of the first support plate (23) is fixedly connected with an electric telescopic rod (22);
the extruding plate (24) is welded with a scale plate (28), the scale plate (28) is provided with scale marks, and zero scale marks in the scale marks are aligned with the tail end of the pipe body (26).
2. The rock triaxial tester according to claim 1, wherein the frame (1) is a hollow structure with one end open, and a rectangular limiting ring (3) is welded in the middle of the inner cavity of the frame (1).
3. The rock triaxial test machine according to claim 2, wherein the inner wall of the frame (1) is welded with a support connecting seat (21), an electric telescopic rod (22) is inserted into the inner wall of the support connecting seat (21), internal threaded holes are formed in corresponding positions of the electric telescopic rod (22) and the support connecting seat (21), and the electric telescopic rod (22) and the support connecting seat (21) are fixed through bolts.
4. The rock triaxial test machine according to claim 2, wherein the pressure detection assembly comprises a second support plate (29), a pressure sensor (20) is fixedly mounted on the second support plate (29), and one end of the pressure sensor (20) is fixedly connected with a squeeze plate (24).
5. The rock triaxial test machine according to claim 4, characterized in that the end of the second support plate (29) remote from the pressure sensor (20) is fixedly connected to an electric telescopic rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321451215.6U CN220772725U (en) | 2023-06-08 | 2023-06-08 | Rock triaxial test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321451215.6U CN220772725U (en) | 2023-06-08 | 2023-06-08 | Rock triaxial test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772725U true CN220772725U (en) | 2024-04-12 |
Family
ID=90614675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321451215.6U Active CN220772725U (en) | 2023-06-08 | 2023-06-08 | Rock triaxial test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220772725U (en) |
-
2023
- 2023-06-08 CN CN202321451215.6U patent/CN220772725U/en active Active
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