摘要:
The invention relates to a height-adjustable support (10) for semi-trailers or similar, comprising a locally fixed external support tube (13), an internal support tube (14), which is fixed to a nut (18) on a spindle (17), said spindle being driven by means of a change-over gear and a bevel gear assembly. The change-over gear has two gear wheel stages which can be alternately activated, a separate gear stage comprising bevel gear toothing being provided for the distribution of forces after each gear wheel stage.
摘要:
The invention relates to a height-adjustable support for semitrailers, comprising an outer tube body applied in a fixed manner and an inner tube arranged therein in a longitudinally displaceable manner and comprising a spindle mechanism that is mounted inside the support and can be driven by means of a toothed wheel control mechanism and a bevel-gear stage. The mechanism input shaft (21) and the mechanism output shaft (23) lie on the same axis.