Lance switching device, lance hose installation and removal feature, lance fixed feature and lance automatic arrangement for interchanging

摘要

PROBLEM TO BE SOLVED: To automatize the attachment/detachment of a lance hose. ;SOLUTION: At the time of retreating a piston rod 22a of a claw opening/ closing cylinder 22, a rhombic link 23 is formed as slender and long shape in the longitudinal direction and holding claws 25 are widen while centering the pin 24. The holding claws 25 in this state, are faced to a short pipe 33, and at the time of advancing the piston rod 22a, the rhombic link 23 is deformed and the holding claws 25, 25 are closed while centering the pin 24 to firmly hold the short pipe 33. The short pipe unit 30 can be taken out from a lance by pulling up an elevating/lowering plate 21 in this state. The attaching/ detaching work of the lance hose conventionally executed with human hand can be executed with unmanned operation and the load of worker can drastically be reduced and also, the attaching/detaching time of the lance hose is shortened and the productivity of the refining, etc., can be improved.;COPYRIGHT: (C)1998,JPO