UPPER NOZZLE PULL-OUT DEVICE
To provide an upper nozzle pull-out device capable of reducing an unintended load applied to a pull-out rod, etc.SOLUTION: An upper nozzle pull-out device comprises a pull-out rod 11 which is inserted into an upper nozzle 3, and a sliding rod 12 in which one end part 121 is connected to a drive devi...
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| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide an upper nozzle pull-out device capable of reducing an unintended load applied to a pull-out rod, etc.SOLUTION: An upper nozzle pull-out device comprises a pull-out rod 11 which is inserted into an upper nozzle 3, and a sliding rod 12 in which one end part 121 is connected to a drive device 44 and has an inclined surface 122. The pull-out rod 11 has a rod body 111, and an abutting rod 112 inserted from a base end part of the rod body and fixed to the rod body in a manner not to move in a longitudinal direction. A rod through-hole 111b through which a sliding rod 12 passes is disposed on a side surface of the rod body 111, and when the sliding rod 12 passes through the rod through-hole 111b, a tip part of the abutting rod 112 and the inclined surface 122 of the sliding rod can abut on each other.SELECTED DRAWING: Figure 4
【課題】引抜ロッド等に掛かる意図しない負荷を軽減できる上ノズル引抜装置を提供する。【解決手段】上ノズル３に挿入される引抜ロッド１１と、一端部１２１が駆動装置４４に接続され、傾斜面１２２を有する摺動ロッド１２とを備える上ノズル引抜装置である。引抜ロッド１１は、ロッド本体１１１と、当該ロッド本体の基端部から挿入し、当該ロッド本体の長手方向に移動しないように当該ロッド本体に固定する当接ロッド１１２とを有する。ロッド本体１１１の側面には、摺動ロッド１２が貫通するロッド貫通孔１１１ｂが設けられ、摺動ロッド１２がロッド貫通孔１１１ｂを貫通したときに、当接ロッド１１２の先端部と摺動ロッドの傾斜面１２２とが当接可能である。【選択図】図４ |
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