Self-propelled construction machine

A self-propelled construction machine (1), in particular a slipform paver, comprising: a machine frame (2); at least three travel devices (14); the traveling devices (14) are connected to the machine frame (2) through lifting columns (12); at least two of the at least three travel devices (14) are steerable by means of a respective steering drive (6), a respective steering drive (6) comprising at least one first part (10) connected to a respective travel device (14) and one second part (16) connected to a respective lifting column (12); according to the invention, the steering drive (6) comprises at least one first rack (22) which can be moved by means of at least one first linear drive (26), the teeth of the at least one rack (22) engaging with the teeth of the at least one gear (17) so that the gear can be rotated by the movement of the rack (22). 一种自推进式建筑机械(1)，特别是滑模摊铺机，其包括：机器框架(2)；至少三个行进装置(14)；行进装置(14)均通过升降柱(12)连接到机器框架(2)；至少三个行进装置(14)中的至少两个可通过各一个转向驱动器(6)转向，相应的转向驱动器(6)包括连接到相应的行进装置(14)的至少一个第一部分(10)以及连接到相应的升降