Constant-pressure rock sample acoustic wave velocity testing device, rock sample acoustic wave velocity testing method and application thereof
A technology of sound wave velocity and testing equipment, which is applied in the directions of measuring ultrasonic/sonic/infrasonic waves, analyzing solids using sound waves/ultrasonic waves/infrasonic waves, and using sound waves/ultrasonic waves/infrasonic waves for material analysis, etc. Problems such as inaccurate wave speed test data
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Embodiment 1
[0027] Embodiment 1, refer to figure 1 .
[0028] In view of the problems mentioned above in the background technology, the embodiment of the present invention provides a constant pressure rock sample acoustic wave velocity testing device to solve the above technical problems, and its technical solution is as follows:
[0029] A constant-pressure rock sample sound wave velocity testing device, comprising a pressurized platform 1, the pressurized platform 1 is provided with slide rails, and also includes:
[0030] A fixed block 3, which is fixedly connected to one end of the pressurized platform 1;
[0031] A sliding block 4, the sliding block 4 is slidably connected on the slide rail of the pressurized platform 1;
[0032] Lead screw 1a, the lead screw 1a is rotatably connected to the pressurized platform 1 and the fixed block 3, and is threadedly connected with the sliding block 4; turning the lead screw 1a can realize the horizontal sliding of the sliding block 4 on the pr...
Embodiment 2
[0038] Embodiment 2, refer to figure 1 .
[0039] On the basis of the design of the constant pressure rock sample acoustic wave velocity testing device, the present invention also designs a rock sample acoustic wave velocity testing method, adopts the above-mentioned constant pressure rock sample acoustic wave velocity testing device, and performs the rock sample acoustic wave velocity test according to the following steps :
[0040] S1: Place the rock sample test block 7 to be tested on the sliding block 4, and turn the hand crank 2 to move the sliding block 4 to the direction of the fixed block 3, and use the acoustic wave test probe 5 on the transducer fixing plate 6 to clamp the Rock sample test block 7;
[0041] S2: Continue to turn the hand crank 2 until the pressure value detected by the annular pressure sensor 8 is greater than the critical value of 2.2KN, stop turning the hand crank 2 to keep the pressure constant;
[0042] S3: Connect the acoustic wave test probe ...
Embodiment 3
[0043] Embodiment 3, refer to figure 2 .
[0044] An application of a constant pressure rock sample acoustic wave velocity testing device, the constant pressure rock sample acoustic wave velocity testing device is used to improve the accuracy of rock sample acoustic wave velocity test data.
[0045] Preferably, it is ensured that the detected pressure value of the annular pressure sensor 8 is greater than the critical value of 2.2KN.
[0046] The inventive concept of the present invention is as follows:
[0047] 1. Through the research, it is found that in the process of measuring the sound wave velocity of rock samples by manual pressure test probe, because the strength of manual pressure test probe is unstable, it is easy to cause the contact pressure between the test probe and the rock sample to be unstable, resulting in the test probe The degree of coupling contact with the rock sample is not consistent, which makes the test data of the rock sample acoustic wave velocit...
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