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Rock core acoustic profile test system and method

A testing system and acoustic technology, which is applied in measuring devices, scientific instruments, analyzing solids using sonic/ultrasonic/infrasonic waves, etc. adaptive effect

Pending Publication Date: 2018-11-02
THE FIRST INST OF OCEANOGRAPHY SOA
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Problems solved by technology

[0007] However, when the multi-sensor tracking system on the Ocean Drilling Ship measures the acoustic parameters of the sediment core, the acoustic wave transmitting and receiving transducers are in contact with the radial sides of the core tube respectively, and will not disturb the sediment core, so it is the first choice. Acoustic parameter testing method, but the multi-sensor tracking system takes up a lot of space and is inconvenient to use.

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  • Rock core acoustic profile test system and method
  • Rock core acoustic profile test system and method
  • Rock core acoustic profile test system and method

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Embodiment Construction

[0049] A rock core acoustic profile testing system of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0050] A rock core acoustic profile testing system, which includes: several support platforms 3; a positionable test platform 6; a transducer 7 mounted on the positionable test platform 6; The core tube 2; the core tube fixing structure 1 for fixing the core tube 2 on the support platform 3.

[0051] The supporting platform 3 is provided with a carrying mechanism and a lifting mechanism, and the lifting mechanism includes a lifting platform erected on the lifting guide column 8 and a lifting handle 5 connected to the lifting platform by a leading screw, the height of the lifting platform can be adjusted by the lifting handle 5 ;

[0052] The carrying mechanism includes an arc-shaped carrying platform for carrying the core pipe 2; at least one support platform 3 is provide...

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Abstract

The invention provides a rock core acoustic profile test system. The rock core acoustic profile test system comprises a plurality of supporting platforms, a localizable test platform, a transducer which is carried on the localizable test platform, a rock core tube which is arranged on the localizable test platform and the supporting platforms, and a rock core tube fixing structure for fixing the rock core tube onto the supporting platforms. The rock core acoustic profile test system provided by the invention is of a separating type design; the supporting platforms and the localizable test platform are independent parts, so that rock cores of different lengths can be tested; the transducer is fixedly arranged on a holder, the holder is fixedly arranged on the localizable test platform, thelocalizable test platform can axially move along the rock core tube, and the supporting platform on the middle part also can axially move along the rock core tube to match with the localizable test platform for movable type measuring, so that the localizable test platform can perform full-length test on the rock cores.

Description

technical field [0001] The invention relates to the technical field of medium acoustic characteristic measurement, in particular to a rock core acoustic profile testing system and method. Background technique [0002] The acoustic parameters of the seafloor substrate, such as the velocity and attenuation of sound waves propagating in the substrate, are the basic input parameters of the sound wave propagation theory, and these parameters are also required for theory-based acoustic models. Obtaining the sound velocity and sound attenuation in the substrate is of great significance to the model calculation of the acoustic field of the marine environment, and the forward modeling and inversion of geophysics. [0003] There are three main measurement techniques for the acoustic parameters of the seabed bottom, namely reflection / refraction profile telemetry, in-situ measurement and sampling measurement. The reflection / refraction profiling telemetry technology provides the estimat...

Claims

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Application Information

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IPC IPC(8): G01N29/07G01N29/11G01N29/22
CPCG01N29/07G01N29/11G01N29/22
Inventor 孟祥梅李官保王景强阚光明孙蕾
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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