Drive for automatic lance change devices

Details Drive for automatic lance change devices Drive for automatic lance change devices

1992-10-13

1994-01-04

Andrews, Melvin J.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

C21C 546

Patent

active

052753840

ABSTRACT:
The present invention relates to drives for an automatic lance-changing devices. In accordance with the present invention, the drive effects the coupling of lances used for supplying media by pressing them against a coupling head which, in turn, is accomplished by draw rods which are operated with the aid of lifting spindle movement transmitting screw thread systems. Each draw rod has associated with it its own reduction gear unit which has an integrated lifting spindle system and on which a load cell is mounted. The primary shafts, in alignment with one another, of the two gear units are connected together by a coupling which compensates for axial, radial and angular displacements.

REFERENCES:
patent: 5037069 (1991-08-01), Stomp et al.
patent: 5167904 (1992-12-01), Stomp et al.

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