Rock sound wave velocity testing frame

Abstract

The utility model provides a rock sound wave velocity testing frame, which comprises a rectangular frame body, two support rods and an adjusting plate, the number of the support rods is two, the two support rods are arranged in the rectangular frame body in a bilateral symmetry mode, the two support rods form a bearing frame for bearing a rock test piece, and the adjusting plate is arranged on the rectangular frame body. The adjusting plate is installed on the rectangular frame body through an adjusting assembly and arranged at one end of the bearing frame. By adopting the technical scheme, a rock block to be tested is placed between the two transducers, corresponding pressure is applied to the rock block to be tested through the elastic assembly, an accurate pressure value is obtained by matching with the pressure sensor, then the center distance of the two transducers is measured by using the scale, and finally the propagation time of longitudinal waves or transverse waves in the test piece is measured and read. The rock sound wave velocity testing method and device can rapidly meet the rock sound wave velocity testing requirement, and are easy and convenient to use and suitable for large-scale application and popularization.

Description

Technical Field

[0001] This utility model relates to the field of rock acoustic velocity testing, and in particular to a rock acoustic velocity testing frame. Background Technology

[0002] The rock block acoustic velocity testing device is an instrument used to test the acoustic velocity of rock blocks. According to the standard GB / T 50266-2013 "Standard for Test Methods of Engineering Rock Mass", Clause 5.1.6, "For direct penetration test under non-stressed conditions, the specimen should be placed on the test frame, the transducers should be placed at both ends of the specimen axis, and the center distance between the two transducers should be measured. A pressure of about 0.05 MPa should be applied to the transducers, and the propagation time of longitudinal or transverse waves in the specimen should be measured." Currently, there is a lack of dedicated equipment for testing the acoustic velocity of rock blocks on the market. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the aforementioned problems in the prior art, this utility model provides a rock block acoustic velocity testing frame.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0007] A rock block acoustic velocity testing frame includes a rectangular frame, support rods, and an adjustment plate;

[0008] Two support rods are provided, which are symmetrically arranged in the rectangular frame. The two support rods form a support frame for supporting the rock block specimen.

[0009] The adjustment plate is mounted on the rectangular frame via an adjustment assembly and is located at one end of the support frame.

[0010] Preferably, the adjusting assembly includes a guide rod and a threaded rod;

[0011] The threaded rod is threaded to one side wall of the rectangular frame and extends into the rectangular frame, and is rotatably connected to the adjusting plate;

[0012] The guide rod is fixed to the side of the adjusting plate near the inner wall of the rectangular frame and extends outward. The inner wall of the rectangular frame has a guide hole corresponding to the guide rod.

[0013] Preferably, transducers are connected to both ends of the rock specimen, and a steering interface is provided on the opposite side of each of the two transducers. One of the transducers is connected to the inner wall of the rectangular frame through the steering interface, and the other transducer is connected to the force value display and the elastic component in sequence through the steering interface.

[0014] Preferably, the steering interface includes a pair of half-pipes, and the two half-pipes are joined together to form a three-way pipe.

[0015] Preferably, the distance between the two support rods is adjustable.

[0016] Preferably, it also includes a ruler, which is installed inside the rectangular frame.

[0017] (III) Beneficial Effects

[0018] The beneficial effects of this utility model are as follows: By adopting the above technical solution, the rock block to be tested is placed between two transducers, and the rock block to be tested is subjected to corresponding pressure through the elastic component. The pressure sensor obtains the accurate pressure value, and the center distance between the two transducers is measured by the scale. Finally, the propagation time of the longitudinal wave or transverse wave in the specimen is measured to realize the sound wave velocity test of the rock block. This application can quickly meet the sound wave velocity test requirements of rock blocks, is simple and convenient to use, and is suitable for large-scale promotion and use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a rock block acoustic velocity testing frame;

[0020] Figure 2 This is a structural diagram of a rectangular frame.

[0021] Figure 3 This is a schematic diagram of the steering interface.

[0022] [Explanation of Labels in the Attached Image]

[0023] 1. Rectangular frame;

[0024] 2. Support rod;

[0025] 3. Adjustment plate;

[0026] 4. Threaded rod;

[0027] 5. Guide rod;

[0028] 6. Rock specimens;

[0029] 7. Transducer;

[0030] 8. Switching interface;

[0031] 9. Force value display;

[0032] 10. Flexible components;

[0033] 11. Scale. Detailed Implementation

[0034] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Please refer to Figures 1 to 3 This utility model provides a rock block acoustic velocity testing frame, including a rectangular frame 1, a support rod 2 and an adjustment plate 3;

[0036] Two support rods 2 are provided and are arranged symmetrically in the rectangular frame 1. The two support rods 2 form a support frame for supporting the rock block specimen 6.

[0037] The adjusting plate 3 is installed on the rectangular frame 1 through the adjusting assembly and is located at one end of the support frame;

[0038] In use, the rock block to be tested is placed between two transducers 7. The elastic component 10 applies the corresponding pressure to the rock block, and the pressure sensor obtains the accurate pressure value. Then, the scale 11 is used to measure the center distance between the two transducers 7. Finally, the propagation time of longitudinal or transverse waves in the specimen is measured to realize the sound wave velocity test of the rock block. This application can quickly meet the sound wave velocity test requirements of rock blocks, is simple and convenient to use, and is suitable for large-scale promotion and use.

[0039] In this embodiment, the adjustment assembly includes a guide rod 5 and a threaded rod 4;

[0040] The threaded rod 4 is threaded to one side wall of the rectangular frame 1 and extends into the rectangular frame 1, and is rotatably connected to the adjusting plate 3;

[0041] The guide rod 5 is fixed to the side of the adjusting plate 3 near the inner wall of the rectangular frame 1 and extends outward. The inner wall of the rectangular frame 1 is provided with a guide hole corresponding to the guide rod 5.

[0042] In use, the pressure applied to the test rock block by the elastic component 10 is adjusted by rotating the threaded rod 4.

[0043] In this embodiment, transducers 7 are connected to both ends of the rock specimen 6. A steering interface 8 is provided on the opposite side of each of the two transducers 7. One of the transducers 7 is connected to the inner wall of the rectangular frame 1 through the steering interface 8, and the other transducer 7 is connected to the force value display 9 and the elastic component 10 in sequence through the steering interface 8.

[0044] In this embodiment, the steering interface 8 includes a pair of half-pipes, and the two half-pipes are joined together to form a three-way pipe.

[0045] The design of the directional interface 8 allows the wires connecting to the transducer 7 to be bent upwards, preventing damage to the transducer 7 when the elastic component 10 squeezes it.

[0046] In this embodiment, the distance between the two support rods 2 is adjustable, which is suitable for placing different test rock blocks.

[0047] In this embodiment, a ruler 11 is also included, which is installed inside the rectangular frame 1.

[0048] The working principle of this utility model is as follows:

[0049] The rock block to be tested is placed between two transducers 7. The elastic component 10 applies corresponding pressure to the rock block, and the pressure sensor obtains the accurate pressure value. Then, the scale 11 is used to measure the center distance between the two transducers 7. Finally, the propagation time of longitudinal or transverse waves in the specimen is measured to realize the sound wave velocity test of the rock block. This application can quickly meet the sound wave velocity test requirements of rock blocks, is simple and convenient to use, and is suitable for large-scale promotion and use.

[0050] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0051] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

[0052] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rock block acoustic velocity testing frame, characterized in that, Includes a rectangular frame, support rods, and adjustment plates; Two support rods are provided, which are symmetrically arranged in the rectangular frame. The two support rods form a support frame for supporting the rock block specimen. The adjustment plate is mounted on the rectangular frame via an adjustment assembly and is located at one end of the support frame.

2. The rock block acoustic velocity testing frame according to claim 1, characterized in that, The adjustment assembly includes a guide rod and a threaded rod; The threaded rod is threaded to one side wall of the rectangular frame and extends into the rectangular frame, and is rotatably connected to the adjusting plate; The guide rod is fixed to the side of the adjusting plate near the inner wall of the rectangular frame and extends outward. The inner wall of the rectangular frame has a guide hole corresponding to the guide rod.

3. The rock block acoustic velocity testing frame according to claim 1, characterized in that, The rock specimen is connected to transducers at both ends. Each of the two transducers has a steering interface on its opposite side. One of the transducers is connected to the inner wall of the rectangular frame through the steering interface, and the other transducer is connected to the force value display and the elastic component in sequence through the steering interface.

4. The rock block acoustic velocity testing frame according to claim 3, characterized in that, The steering interface includes a pair of half-pipes, and the two half-pipes are joined together to form a three-way pipe.

5. The rock block acoustic velocity testing frame according to claim 1, characterized in that, The distance between the two support rods is adjustable.

6. The rock block acoustic velocity testing frame according to claim 1, characterized in that, It also includes a ruler, which is installed inside the rectangular frame.

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