Abstract: A rail yard train-switching system includes train-moving machines and a control device. The train-moving machines each draw one of railroad trains in a rail yard. The control device transmits a traction command to the train-moving machines based on an operation schedule. The train-moving machines each move, based on the traction command transmitted from the control device, to a first location specified by the traction command to couple with an appropriate one of the railroad trains, and draw the one of the railroad trains from the first location to a second location specified by the traction command.

Abstract: A lance nozzle injecting fluid includes a shaft body, a first nozzle hole, and a second nozzle hole. The shaft body internally includes a flow path of the fluid. The first nozzle hole is disposed on a leading end side of the shaft body, and generates a first jet in a first injecting direction inclining to a base end side of the shaft body with respect to a direction perpendicular to an axial direction of the shaft body. The second nozzle hole is disposed on a base end side of the first nozzle hole in the shaft body, and generates a second jet in a second injecting direction inclining to a leading end side of the shaft body with respect to a direction perpendicular to an axial direction of the shaft body.

Abstract: A lance nozzle injecting fluid includes a shaft body, a first nozzle hole, and a second nozzle hole. The shaft body internally includes a flow path of the fluid. The first nozzle hole is disposed on a leading end side of the shaft body, and generates a first jet in a first injecting direction inclining to a base end side of the shaft body with respect to a direction perpendicular to an axial direction of the shaft body. The second nozzle hole is disposed on a base end side of the first nozzle hole in the shaft body, and generates a second jet in a second injecting direction inclining to a leading end side of the shaft body with respect to a direction perpendicular to an axial direction of the shaft body.

Abstract: A turret-type cleaning apparatus including a cleaning chamber; a center post; a turret head turnably supported by the center post; tool support members arranged in the turret head; tool support shafts rotatably supported in the respective tool support members; cleaning tools to be attached to the respective tool support shafts; a spindle shaft rotatably supported in the center post; a spindle drive device to rotate one of the cleaning tools; a turret drive device to turn the turret head; and a joint device having a groove portion formed in the spindle shaft, and a key provided on each of the tool support shafts and to be inserted in the groove portion so as to be capable of sliding in the groove portion, the joint device allowing engagement between the spindle shaft and one of the tool support shafts, and allowing turning of the turret head.

Abstract: A turret-type cleaning apparatus for using cleaning liquid, and deburring and cleaning a workpiece includes: cleaning tools for spraying the liquid onto the workpiece and deburring and/or cleaning it; a turret head freely turnable and where the tools are attached; a turret drive device connected to the head and for turning the head; a cleaning chamber where the head is arranged; a cleaning bath installed in the chamber; a drain port openably and closably provided below the bath and for draining the liquid from the bath; a first cleaning liquid supply flow passage configured to supply the liquid to one of the tools; a second cleaning liquid supply flow passage for supplying the liquid to the bath; and a cleaning liquid supply source for supplying the liquid to the first cleaning liquid supply flow passage and the second cleaning liquid supply flow passage.

Abstract: A turret-type cleaning apparatus including a cleaning chamber; a center post; a turret head turnably supported by the center post; tool support members arranged in the turret head; tool support shafts rotatably supported in the respective tool support members; cleaning tools to be attached to the respective tool support shafts; a spindle shaft rotatably supported in the center post; a spindle drive device to rotate one of the cleaning tools; a turret drive device to turn the turret head; and a joint device having a groove portion formed in the spindle shaft, and a key provided on each of the tool support shafts and to be inserted in the groove portion so as to be capable of sliding in the groove portion, the joint device allowing engagement between the spindle shaft and one of the tool support shafts, and allowing turning of the turret head.

Abstract: A turret-type cleaning apparatus for using cleaning liquids, and deburring and cleaning a workpiece includes: cleaning tools for spraying one of the liquids onto the workpiece and deburring and/or cleaning it; a turnable turret head where the tools are attached; a turret drive device connected to the head and for turning the head; a cleaning liquid source for supplying the liquids to first and second cleaning liquid supply flow passages; a first cleaning liquid supply flow passage configured to supply the one of the liquids to the cleaning tool; a second cleaning liquid supply flow passage for supplying the other of the liquids to the bath; a cleaning chamber where the head is arranged; a cleaning bath installed in the chamber; and a drain port openably and closably provided below the bath and for draining the liquids in the bath.