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Drill crown for rock drilling - has rotary motion from tube transmitted to crown shaft via gripping device
Drill crown for rock drilling - has rotary motion from tube transmitted to crown shaft via gripping device
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机译:钻冠用于凿岩-旋转运动通过夹紧装置从管子传递到冠轴
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摘要
Rotary motion from the tube (13) is transmitted to the crown shaft (12) via a gripping device (26). There is a slot (28) carries mining medium via the channel (29) to the drill crown.
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