A test system for material rotational impact response characteristics

A technology of impact response and characteristic testing, which is applied in the direction of testing material strength, analyzing materials, and strength characteristics by using one-time impact force, and can solve problems such as inability to implement rotational pulse loading

Active Publication Date: 2018-03-27
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the above problems, the purpose of the present invention is to provide a material rotation-shock response test system that overcomes the limitations of the existing material dynamics test system that cannot implement rotational pulse loading and applies axial static load to the input rod.

Method used

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  • A test system for material rotational impact response characteristics
  • A test system for material rotational impact response characteristics
  • A test system for material rotational impact response characteristics

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] The system is installed on the horizontal rigid test platform in the laboratory to test the rotation-shock response characteristic parameters of the material.

[0032] Such as Figure 1-6 Shown is a schematic structural diagram of the test system for the rotational impact response characteristics of materials of the present invention, the system includes (i) a rotational and impact unit, (ii) a data acquisition unit and (iii) a data analysis unit,

[0033] The rotation and impact unit is composed of a system platform, a pulse generating unit, a sample loading chamber and a rotation unit;

[0034] The pulse generating unit is composed of a pressure source, a pressure regulator, a pulse transmitter, a pulse shaper, a conversion valve, a momentum trap and an experimental rod;

[0035] The sample loading chamber is used to carry samples;

[0036] ...

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Abstract

The invention relates to a test system for the response characteristics of material rotation impact, the system includes (i) rotation and impact unit, (ii) data acquisition unit and (iii) data analysis unit, the invention can be used to test rotation impact and single impact Material properties under pulsed loads such as percussion drilling, rotary-impact drilling and impact effects in rotary drilling and other rotary-impact loads, revealing material structure and strength by testing stress wave signatures in input rods characteristic. Conversely, it can also be used to study the structural shape and material properties of the impact warhead to obtain good incident waveforms and damage effects.

Description

technical field [0001] The present invention relates to a material rotation impact response characteristic test system, a test technology for testing the response characteristics of materials under rotation-impact loads, which can be used for the dynamic strength of materials under different impact loads and different rotation speeds, and The test and analysis of reflection and transmission stress wave peak characteristics and energy characteristics can be used to study the structure and dynamic characteristics of loaded materials; it can also be used to test the impact load characteristics under different impact rates, which belongs to the field of materials and geotechnical engineering. Background technique [0002] At present, in geology, geotechnical engineering and other surveys and mining engineering production, drilling / exploration methods are usually used, and the main drilling methods are percussion, rotary or rotary-percussion. The relationship between the crushing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/30G01N3/02
Inventor 谭卓英刘文静
Owner UNIV OF SCI & TECH BEIJING
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