FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used for tool fastening on machine, in particular, for drilling bit fixation on core drill rig. Device comprises power take-off shaft for transmission of torque generated by machine, on the tool and around the power take-off shaft there is a coupling nut for the PTO shaft detachable connection to the tool docking end. Power take-off shaft comprises locking ring while union nut comprises thrust washer and damping element. Thrust washer is arranged between locking ring and damping element.
EFFECT: reliable retention of drilling bit at the machine during core drilling.
5 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CUTTING PORTION FOR DRILL BIT | 2013 |
|
RU2657891C2 |
| BORING CROWN WITH REPLACEABLE CUTTING UNIT | 2013 |
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RU2630396C9 |
| BORING CROWN WITH REPLACEABLE CUTTING UNIT | 2013 |
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| RETURN MODE FOR CORE DRILLING SYSTEMS | 2016 |
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RU2711170C2 |
| DRILL BOX OF MINE DRILL | 1994 |
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RU2110389C1 |
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|
RU2721905C2 |
| RAIL DRILLING MACHINE | 0 |
|
SU1712517A1 |
| RAIL DRILLING MACHINE TOOL | 1990 |
|
RU2043452C1 |
