Finite element analysis of rock breaking experimental bench of high pressure water fracturing assisted pick

Yuliang Sun; Qiang Zhang

doi:10.1117/12.2625310

12 December 2021 Finite element analysis of rock breaking experimental bench of high pressure water fracturing assisted pick

Yuliang Sun, Qiang Zhang

Author Affiliations +

Proceedings Volume 12127, International Conference on Intelligent Equipment and Special Robots (ICIESR 2021); 121271M (2021) https://doi.org/10.1117/12.2625310
Event: International Conference on Intelligent Equipment and Special Robots (ICIESR 2021), 2021, Qingdao, China

Abstract

Taking a rock breaking experimental bench of high pressure water fracturing assisted pick as the research object, the structural dynamic characteristics of the rock breaking experimental bench of high pressure water fracturing assisted pick are analyzed. SolidWorks software is used to establish the three-dimensional model of the experimental bench, and the simplified three-dimensional model is imported into ANSYS Workbench software to establish the finite element model. The modal analysis of the experimental bench is carried out to obtained the first eight order natural frequencies and mode shapes of the experimental bench, analyzed the external excitation frequency of the experimental bench, and find out the parts prone to resonance. On the base of modal analysis, the harmonic response analysis of the experimental bench is carried out by using the modal superposition method, and the amplitude frequency response curves of the key research objects are obtained and analyzed. The amplitude frequency response curves show that the amplitude peaks appear at 31.2hz, 36.0hz, 38.4hz, 57.6hz and 93.6hz. Considering the actual situation, it is summarized that the sensitive excitation frequency close to the first and second order natural frequencies should be avoided in the operation of the experimental bench, which provides a basis for the subsequent optimization design of the experimental bench.

Citation Download Citation

Yuliang Sun and Qiang Zhang "Finite element analysis of rock breaking experimental bench of high pressure water fracturing assisted pick", Proc. SPIE 12127, International Conference on Intelligent Equipment and Special Robots (ICIESR 2021), 121271M (12 December 2021); https://doi.org/10.1117/12.2625310

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KEYWORDS

3D modeling

Finite element methods

Modal analysis

Analytical research

Servomechanisms

Shape analysis

SolidWorks

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