| 摘要 |
Tyre changer apparatus having a horizontally extended frame ( 13 ); a wheel holder device ( 1 ) provided on said frame ( 13 ) and designed to support a tyred wheel ( 14 ) with horizontally positioned wheel axis ( 15 ); a carriage ( 5 ) supported movably along the frame ( 13 ); a tool holder ( 4 ) provided on the carriage ( 5 ); at least one tyre changing tool ( 2 ) for mounting the tyre onto the wheel and/or for demounting the tyre from the wheel; and actuator means to move the tool holder ( 4 ) on the carriage ( 5 ) to operating positions in which the tyre changing tool ( 2 ) is able to act on the tyre for mounting or demounting on both sides of the tyre, wherein during the mounting operation or demounting operation the carriage ( 5 ) is driven by an actuator device along the frame ( 13 ); the tool holder ( 4 ) is movably supported on a tool holder carriage ( 3 ) which is movably supported on said carriage ( 5 ) and driven by an additional actuator device ( 16 ) provided on said carriage ( 5 ), and said actuator device ( 16 ) is in drive connection with the tool holder carriage ( 3 ) via a mechanical speed-increasing transmission ( 17 ). |
