Heading machine cutting pick with good wear resistance
The utility model discloses a heading machine cutting pick with good wear resistance. The heading machine cutting pick comprises a connecting sleeve and an annular plate, a mounting column is mounted in the connecting sleeve through a connecting mechanism, a wear-resistant sleeve sleeves the outer s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a heading machine cutting pick with good wear resistance. The heading machine cutting pick comprises a connecting sleeve and an annular plate, a mounting column is mounted in the connecting sleeve through a connecting mechanism, a wear-resistant sleeve sleeves the outer side of a conical surface at the left end of the mounting column, an alloy head is arranged in a mounting groove at the left end of the mounting column, and a step surface at the left end of the alloy head is in contact with the left end surface of the wear-resistant sleeve; the annular plate is arranged at the step in the middle of the mounting column in a sleeving mode and makes contact with the left side face of the connecting sleeve, wear-resisting blades are evenly arranged on the outer arc face of the annular plate, and grooves matched with the wear-resisting blades are formed in the outer side faces of the wear-resisting sleeve and the connecting sleeve at equal angles; according to the heading machine cuttin |
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