Working device of rock drilling equipment
The invention discloses a working device of rock drilling equipment. The working device comprises a cylinder body, an impact piston, an impact rod, a reversing valve, a main working pipeline and a control mechanism, wherein the impact piston is arranged in the cylinder body, and an upper hydraulic c...
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Main Authors | , , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
12.11.2019
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Subjects | |
Online Access | Get full text |
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