Down --hole drilling rod mills supporting seat
The utility model provides a down - -hole drilling rod mills supporting seat, comprises base, riser, interior hexagonal fixing bolt and butterfly locking bolt. If the base is connected through interior hexagonal connecting bolt with the riser, have one to be greater than the about 2mm of down -the -...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
23.09.2015
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a down - -hole drilling rod mills supporting seat, comprises base, riser, interior hexagonal fixing bolt and butterfly locking bolt. If the base is connected through interior hexagonal connecting bolt with the riser, have one to be greater than the about 2mm of down -the -hole drilling rod diameter on establishhing the board, just with the high coaxial circular port of dividing head centre, if the butterfly locking bolt is installed on the circular port of riser. During the installation, with T type bolt fastening for the base on the table surface of milling machine, the hole that the down -the -hole drilling rod passes through on the riser is tight with the graduation head -clamp. The butterfly of screwing again locking bolt can mill. |
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Bibliography: | Application Number: CN20152273522U |