Control and/or Regulating Device for a Supporting Roll Frame of a Continuous Casting Device for Metal, Especially Steel
A controlling and/or regulating device for a supporting roll stand ( 2 ) of a continuous casting installation ( 1 ) for metals, especially for steel materials ( 3 ), comprises a plurality of successive roll segments ( 8 ) with lower frames ( 11 ) and upper frames ( 12 ) which can be adjusted relative to the other and pairs of piston-cylinder units ( 13 ). The measurement data of field devices ( 14 ) are acquired locally and processed. The controlling and/or regulating device simplifies the field cabling and the regulating concept by relocating functions to or next to a roll segment ( 8 ) in that the field devices ( 14 ) are arranged at or on the roll segment ( 8 ) or in the vicinity of the roll segment ( 8 ) at the stationary shop scaffold ( 17 ), and their measurement signals are processed by axle regulators ( 18 ) and are stored and communicate with a memory-programmable control unit ( 19 ) by a fieldbus module ( 20 ).
1 - 8 . (canceled)
9 . Controlling and/or regulating device for a supporting roll stand ( 2 ) of a continuous casting installation ( 1 ) for metals, especially for steel materials ( 3 ), which comprises a plurality of successive roll segments ( 8 ), each of which can be adjusted relative to the other in a regulated manner by the lower frame ( 11 ) carrying the supporting rolls ( 10 ) and an oppositely located upper frame ( 12 ) by means of pairs of piston-cylinder units ( 13 ) for conveying, straightening and/or improving the internal quality and for altering thickness, wherein on the upper frame ( 12 ) of a roll segment ( 8 ), signals of position sensors of the hydraulic cylinder units ( 13 ) are respectively communicated to a terminal box ( 21 ), and wherein from the terminal box ( 21 ), a cable package ( 23 ) is guided via a detachable media coupling ( 22 ) to a stationary shop scaffold ( 17 ),
characterized in that
for each roll segment ( 8 ), a separate axle regulator ( 18 ) with a connected therewith, valve stand ( 26 ) are arranged on a stationary shop scaffold ( 17 ), and signals from all of the axle regulators ( 18 ) are communicated over respective fieldbus module ( 20 ) to a common memory-programmable control unit ( 19 ) in a control compartment ( 25 ) of the continuous casting installation ( 1 ).
10 . Device according to claim 1 ,
characterized in that
the axle regulator ( 18 ) processes the stored signals for positioning the supporting rolls ( 10 ), for synchronizing the driven supporting rolls ( 10 ) of a adjacent roll segment ( 8 ), for left-hand or right-hand hydraulic cylinders ( 13 a ) or for the inlet side or outlet side, for monitoring the status of the sensors, roll segment coding, maintenance cycles, and the like.
11 . Device according to claim 1 ,
characterized in that
the terminal boxes ( 21 ) are cooled by means of the machine cooling water available on the upper frame ( 12 ) of the roll segment ( 8 ).
12 . Device according to claim 1 ,
characterized in that
the fieldbus modules ( 20 ) are connectable by electric metal lines, light waveguides or wireless transmission devices, or infrared signals.
13 . Device according to claim 1 ,
characterized in that,
the cables of the cable package ( 23 ) for the power supply, axle regulators ( 18 ) and fieldbus modules ( 20 ) are connected by a common plug-in connection ( 22 a ).
14 . Device according to claim 1 ,
characterized in that,
the cables for the signals of the position sensors from the terminal box ( 21 ) to the roll segment ( 8 ) are formed by a media coupling ( 22 ) as a detachable plug-in connection ( 22 a ) to the axle regulator ( 18 ).