A rotary lance drive for moving a lance during the injecting of gas and/or reagents into molten metal.
대표청구항▼
1. A lance drive system for moving an injection lance, said lance drive system comprising: a main support housing;a main rotary element rotatably secured to said main support housing and configured to rotate about a main rotary axis;a lance mount arrangement, said lance mount arrangement connected t
1. A lance drive system for moving an injection lance, said lance drive system comprising: a main support housing;a main rotary element rotatably secured to said main support housing and configured to rotate about a main rotary axis;a lance mount arrangement, said lance mount arrangement connected to said main rotary element and to said main support housing, said lance mount arrangement configured to releasably connect to a lance, said lance having a lance longitudinal axis;a drive motor assembly, said drive motor assembly including a drive motor, said drive motor configured to cause said main rotary element to rotate at least partially about said main rotary axis; and,a rotation detection arrangement, said rotation detection arrangement configured to detect or determine a rotational position, a rotational direction, a rotation speed, or combinations thereof of said main rotary element, said lance mount arrangement, or combinations thereof, said rotation detection arrangement is configured to limit a rotation of said main rotary element about said main rotary axis to less than 360°, said drive motor assembly and said rotation detection arrangement configured to cause said main rotary element to rotate in a clockwise and a counterclockwise direction, said rotation detection arrangement includes a first sensor spaced from said main rotary element and a first detection structure positioned on said main rotary element, said first sensor configured to detect said first detection structure at certain positions of said main rotary element during said rotation of said main rotary element. 2. The lance drive system as defined in claim 1, wherein said main rotary element includes a plurality of teeth on an outer peripheral surface, said teeth configured to engage a gear of said drive motor assembly, at least a portion of said lance mount arrangement connected to a top surface, a bottom surface, or combinations thereof of said main rotary element. 3. The lance drive system as defined in claim 1, wherein said lance longitudinal axis and said main rotary axis are parallel to to one another when the lance is releasably connected to said lance mount arrangement, said lance longitudinal axis and said main rotary axis do not lie on the same axis. 4. The lance drive system as defined in claim 2, wherein said lance longitudinal axis and said main rotary axis are parallel to one another when the lance is releasably connected to said lance mount arrangement, said lance longitudinal axis and said main rotary axis do not lie on the same axis. 5. The lance drive system as defined in claim 1, wherein said first sensor is connected to said main housing support, said first detection structure positioned on a top or bottom surface of said main rotary element. 6. The lance drive system as defined in claim 4, wherein said first sensor is connected to said main housing support, said first detection structure positioned on a top or bottom surface of said main rotary element. 7. The lance drive system as defined in claim 5, wherein said rotation detection arrangement includes a second sensor spaced from said main rotary element and a second detection structure positioned on said main rotary element, said second sensor configured to detect said second detection structure at certain positions of said main rotary element during said rotation of said main rotary element. 8. The lance drive system as defined in claim 6, wherein said rotation detection arrangement includes a second sensor spaced from said main rotary element and a second detection structure positioned on said main rotary element, said second sensor configured to detect said second detection structure at certain positions of said main rotary element during said rotation of said main rotary element. 9. The lance drive system as defined in claim 1, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between an open and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 10. The lance drive system as defined in claim 8, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount base member and said mount top member spaced apart from one another, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between an opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 11. The lance drive system as defined in claim 9, wherein said lance mount arrangement includes a mount support member that is connected to each of said gate members of said mount base member and said mount top member, said mount support member configured to cause said gate members on said mount base member and said mount top member to simultaneously move between said opened and said closed positions. 12. The lance drive system as defined in claim 10, wherein said lance mount arrangement includes a mount support member that is connected to each of said gate members of said mount base member and said mount top member, said mount support member configured to cause said gate members on said mount base member and said mount top member to simultaneously move between said opened and said closed positions. 13. The lance drive system as defined in claim 11, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 14. The lance drive system as defined in claim 12, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 15. The lance drive system as defined in claim 1, wherein said lance mount arrangement includes a main lance support that is connected to said main rotary element and extends through said main rotary element to be rotatably supported by an upper portion of said main support housing, said main lance support having a longitudinal axis that is parallel to and aligned with said main rotary axis, said main lance support configured to rotate with said main rotary element, a mount base member and a mount top member are rigidly connected to said main lance support and are positioned below and are spaced from said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between an open and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 16. The lance drive system as defined in claim 8, wherein said lance mount arrangement includes a main lance support that is connected to said main rotary element and extends through said main rotary element to be rotatably supported by an upper portion of said main support housing, said main lance support having a longitudinal axis that is parallel to and aligned with said main rotary axis, said main lance support configured to rotate with said main rotary element, a mount base member and a mount top member are rigidly connected to said main lance support and are positioned below and are spaced from said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between an open and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 17. The lance drive system as defined in claim 15, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 18. The lance drive system as defined in claim 16, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 19. The lance drive system as defined in claim 15, wherein a top portion of said main lance support has a circular cross-section shape and a lower portion of said main lance support has a non-circular cross-section shape. 20. The lance drive system as defined in claim 18, wherein a top portion of said main lance support has a circular cross-section shape and a lower portion of said main lance support has a non-circular cross-section shape. 21. A lance drive system for moving an injection lance, said lance drive system comprising: a main support housing, a main rotary element rotatably secured to said main support housing and configured to rotate about a main rotary axis, said main rotary element includes a plurality of teeth on an outer peripheral surface;a lance mount arrangement, said lance mount arrangement connected to said main rotary element and to said main support housing, said lance mount arrangement configured to releasably connect to a lance having a lance longitudinal axis, at least a portion of said lance mount arrangement connected to a top surface, a bottom surface, or combinations thereof of said main rotary element, said lance longitudinal axis and said main rotary axis are parallel to one another when the lance is releasably connected to said lance mount arrangement, said lance longitudinal axis and said main rotary axis do not lie on the same axis;a drive motor assembly, said drive motor assembly including a drive motor, said drive motor configured to cause said main rotary element to rotate at least partially about said main rotary axis, said plurality of teeth on said main rotary element configured to engage a gear of said drive motor assembly; and,a rotation detection arrangement, said rotation detection arrangement configured to detect or determine a rotational position, a rotational direction, a rotation speed, or combinations thereof of said main rotary element, said lance mount arrangement, or combinations thereof, said rotation detection arrangement is configured to limit a rotation of said main rotary element about said main rotary axis to less than 360°, said drive motor assembly and said rotation detection arrangement configured to cause said main rotary element to rotate in a clockwise and a counterclockwise direction, said rotation detection arrangement includes a first sensor and a second sensor, said first sensor spaced from said main rotary element and a first detection structure positioned on said main rotary element, said first sensor configured to only detect said first detection structure at certain positions of said main rotary element during said rotation of said main rotary element, said second sensor spaced from said main rotary element and a second detection structure positioned on said main rotary element, said second sensor configured to only detect said second detection structure at certain positions of said main rotary element during said rotation of said main rotary element. 22. The lance drive system as defined in claim 21, wherein said first sensor and said second sensor connected to said main housing support, said first and second detection structure positioned on a top or bottom surface of said main rotary element. 23. The lance drive system as defined in claim 21, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 24. The lance drive system as defined in claim 22, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 25. The lance drive system as defined in claim 21, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount base member and said mount top member spaced apart from one another, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 26. The lance drive system as defined in claim 22, wherein said lance mount arrangement includes a mount base member and a mount top member, said mount base member and said mount top member spaced apart from one another, said mount top member pivotally connected to said main support housing, said mount base member connected to said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 27. The lance drive system as defined in claim 23, wherein said lance mount arrangement includes a mount support member that is connected to each of said gate members of said mount base member and said mount top member, said mount support member configured to cause said gate members on said mount base member and said mount top member to simultaneously move between said opened and said closed positions. 28. The lance drive system as defined in claim 25, wherein said lance mount arrangement includes a mount support member that is connected to each of said gate members of said mount base member and said mount top member, said mount support member configured to cause said gate members on said mount base member and said mount top member to simultaneously move between said opened and said closed positions. 29. The lance drive system as defined in claim 23, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 30. The lance drive system as defined in claim 25, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 31. The lance drive system as defined in claim 21, wherein said lance mount arrangement includes a main lance support that is connected to said main rotary element and extends through said main rotary element to be rotatably supported by an upper portion of said main support housing, said main lance support having a longitudinal axis that is parallel to and aligned with said main rotary axis, said main lance support configured to rotate with said main rotary element, a mount base member and a mount top member are rigidly connected to said main lance support and are positioned below and are spaced from said main rotary element, each of said mount base member and said mount top member including a gate member that is movable between opened and closed position, said gate member in said closed position configured to secure the lance to said lance mount arrangement. 32. The lance drive system as defined in claim 31, wherein each of said mount base member and said mount top member on said lance mount arrangement includes a pivotally connected gate flange, said gate flange on said mount base member configured to engage said gate member on said mount base member when said gate member on said mount base member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount base member when said gate flange and said gate member are in said closed position, said gate flange on said mount top member configured to engage said gate member on said mount top member when said gate member on said mount top member is in said closed position, a gate locking arrangement is configured to lock together said gate flange and said gate member on said mount top member when said gate flange and said gate member are in said closed position. 33. The lance drive system as defined in claim 32, wherein a top portion of said main lance support has a circular cross-section shape and a lower portion of said main lance support has a non-circular cross-section shape.
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이 특허에 인용된 특허 (6)
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