Evaluation of Layout of Air Drill Hammer with Smooth Adjustment of Impact Impulse Frequency

Тищенко, И. В.; Червов, В. В.; Smolyanitsky, B. N.

doi:10.1134/s106273911701192x

J Min Sci

2017

DOI: 10.1134/s106273911701192x

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Evaluation of Layout of Air Drill Hammer with Smooth Adjustment of Impact Impulse Frequency

И. В. Тищенко

В. В. Червов

B. N. Smolyanitsky

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Cited by 5 publications

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Justification of pneumatic percussion machine performance in formation of main cracks from holes in natural stone

Tambovtsev

2020

IOP Conf. Ser.: Earth Environ. Sci.

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The study focuses on a percussive machine for directional fracturing of natural stone. The impact machine forces a rock-breaking tool to make a hole and penetrate it. Stone is propped as a result, and a main crack is formed finally along the row of holes. For the gravity-type pneumatic percussion machines, the circuit design is justified, and the numerical analysis of structural constants and performance of the machines is carried out based on the modeled dynamics of basic units. The operating cycle of the machine was evaluated by blow energy, blow frequency and compressed air flow rate. It is found that the operating cycle of the gravity-type pneumatic percussion machine with elastic valve ensures effective consumption of compressed air and high energy of impact. The numerical modeling data are proved by experimental results at the Institute of Mining, SB RAS.

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Justification of pneumatic percussion machine performance in formation of main cracks from holes in natural stone

Tambovtsev

2020

IOP Conf. Ser.: Earth Environ. Sci.

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Dynamics of gravity-type pneumatic percussion machine for drain hole drilling

Tambovtsev

2021

IOP Conf. Ser.: Earth Environ. Sci.

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The author presents and justifies a construction diagram of a gravity-type pneumatic percussion machine for drain hole drilling with efficient penetration of casing in soil. The working cycle parameters of the machine, efficient design variables, as well as the blow energy, blow frequency and compressed air flow rate depending on the line pressure are determined by the numerical modeling. The weight, size and dynamics of the gravity-type machine are compared with the known analogous facilities.

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Estimation of Influence Exerted by Powered Closure Stability of Elastic Valve on Efficiency of Air Hammers

Червов

Тищенко

2017

J Min Sci

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Evaluation of Layout of Air Drill Hammer with Smooth Adjustment of Impact Impulse Frequency

Cited by 5 publications

References 6 publications

Justification of pneumatic percussion machine performance in formation of main cracks from holes in natural stone

Justification of pneumatic percussion machine performance in formation of main cracks from holes in natural stone

Dynamics of gravity-type pneumatic percussion machine for drain hole drilling

Estimation of Influence Exerted by Powered Closure Stability of Elastic Valve on Efficiency of Air Hammers

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