| 摘要 |
<p>A hydraulic detachable coupling, which can transmit rated torque in a manner stable to vibrations, and can fully withstand abnormal torque, is provided. For this purpose, in a hydraulic detachable coupling (4) mounted detachably on a rotor (1) of a steam or gas turbine or other machine, a coupling sleeve (4b), which is fitted on a shaft end portion of a casing penetrating shaft (2) in the rotor (1), includes a taper hole portion (4b-a) which is interference-fitted on a taper shaft portion (2a) of the shaft end portion by a hydraulic pressure, and a straight hole portion (4b-b) having teeth (13) engaging a plurality of teeth (12) formed in a straight shaft portion (2b) of the shaft end portion, the taper hole portion (4b-a) and the straight hole portion (4b-b) being located adjacent to each other.</p> |
