The invention relates to a converter gearing, comprising a gear rim (7), which is connected to the pivoting axis (6) of a converter box, said gear rim being engaged with at least one drive pinion (8) of the converter gearing (9) and at least one locking device, which can be pivoted to engage with an
The invention relates to a converter gearing, comprising a gear rim (7), which is connected to the pivoting axis (6) of a converter box, said gear rim being engaged with at least one drive pinion (8) of the converter gearing (9) and at least one locking device, which can be pivoted to engage with and be disengaged from the toothed gearing of the gear rim, (7) in the form of a locking arm (12) that is positioned on a horizontal shaft (10) and configured with toothed gearing (11). The aim of the invention is to improve said locking device. To achieve this, the shaft (10) of the locking arm (12) is mounted in at least one terminal bearing (13, 13′) and the locking arm (12) can be engaged with and disengaged from the toothed gearing of the gear rim (7) in a non-positive manner, preferably by means of active force elements (14, 14′) in its end regions. In addition, the shaft (10) of the locking arm (12) is mounted in the housing of the converter gearing (9) by means of two eccentric bushes (4, 5), which rotate freely within one another, at each of its ends. The mounting is configured in such a way, that by the independent rotation of the same, an ideal mutual engagement position of the two interacting toothed gearing regions of the locking device (12) and the gear rim (7) can be set.
대표청구항▼
1. Converter gearing, which comprises a gear rim (7), which is connected to an axis of rotation (6) of a converter vessel and engages at least one drive pinion (8) of the converter gearing (9), and two locking devices, which can be swung in or out to engage with or disengage from the teeth of the ge
1. Converter gearing, which comprises a gear rim (7), which is connected to an axis of rotation (6) of a converter vessel and engages at least one drive pinion (8) of the converter gearing (9), and two locking devices, which can be swung in or out to engage with or disengage from the teeth of the gear rim (7) and have the form of a locking arm (12), which is mounted on a horizontal shaft (10) and is configured with teeth (11), wherein the shaft (10) is supported in a terminal bearing (13, 13′), the locking arm (12) can be engaged with or disengaged from the teeth (11) of the gear rim by active force elements, and the shaft (10) is supported in a housing of the converter gearing (9) by two eccentric bushes (4, 5), which rotate freely, one within the other, at each end of the shaft, in such a way that an ideal engagement position of the interacting toothed regions of the locking device (12) and the gear rim (7) is set by independent rotation of the eccentric bushes, and a clamping element (16, 16′) for adjusting a low-backlash bearing (13) is associated with the eccentric bushes (4, 5) and bores (18, 18′) which hold the eccentric bushes, wherein the eccentric bushes are cylinders and each have a uniform inner diameter, and wherein the clamping element (16) is an expandable clamping bush (19) having two wedge-shaped elements movable axially relative to one another so that an inside diameter and an outside diameter of the clamping bush are expandable by means of axial keys (17′) so as to radially tension the eccentric bushes and lock the eccentric bushes in a setting for a low-backlash bearing state of the bearing, each of the wedge-shaped elements having a radially inner surface parallel to a central axis of the horizontal shaft, and an angled, radially outer surface. 2. The converter gearing according to claim 1, wherein the active force elements are hydraulic cylinders (14, 14′). 3. Method of adjusting a low-backlash bearing of the shaft (10) of a locking arm (12) of a locking device on a the converter gearing (9) for the purpose of optimum engagement of a toothed region of the locking device (12), wherein an optimum engagement of the toothed region of the locking device is first set by rotation of eccentric bushes (4, 5) with clamping elements of the low-backlash bearing released, and that the clamping elements (16) of the low-backlash bearing (13, 13′) are then brought into a low-backlash bearing state by expansion of inside and outside diameters of the clamping elements by axial keys, and the eccentric bushes (4, 5) are locked in their setting for the low-backlash bearing state, the clamping element (16) having two wedge-shaped elements movable axially relative to one another so that the inside diameter and the outside diameter of the clamping element are expanded by the axial keys (17′) so as to radially tension the eccentric bushes, each of the wedge-shaped elements having a radially inner surface parallel to a central axis of the horizontal shaft, and an angled, radially outer surface.
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