| 摘要 |
A hydraulic steering device ( 1 ) of a mobile machine, in particular of an industrial truck, includes a steering angle transmitter ( 2 ) in mechanically functional communication with a steering valve ( 4 ). As a function of the actuation of the steering angle transmitter ( 2 ), the steering valve ( 4 ) controls the connection of a steering drive ( 13 ) with a pressure fluid source ( 6 ) and a reservoir ( 11 ). To vary the translation ratio of the steering device in a simple manner, a bypass device ( 20 ) is operationally associated with the steering drive ( 13 ). By activation of the bypass device, the quantity of pressure fluid delivered from the pressure fluid source ( 6 ) to the steering drive ( 13 ) can be diverted to a reservoir ( 11 ).
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