To provide a technique of enabling a switch machine which can switch a specification of waterproof/non-waterproof form, and can also discharge steam within a switch machine case when the switch machine has the specification of waterproof form.SOLUTION: There is provided a switch machine 1 in which a through hole is formed on one side of a switch machine case 20 in its short direction and a plug 24 that includes a valve having an automatic return function is fitted into the through hole. A venting socket member provided with a waterproof and water vapor permeable filter and a pressure measurement socket member provided with a pressure indicator are attachable to and detachable from the plug 24.SELECTED DRAWING: Figure 1
【課題】耐水形/非耐水形の仕様を切り替え可能であり、且つ、耐水形の仕様とした場合に転てつ機ケース内部の水蒸気を排出可能な転てつ機を実現する技術を提供する。【解決手段】転てつ機1は、転てつ機ケース20の短手方向の一側面に貫通孔が形成され、その貫通孔に自動復帰機能を有するバルブを内蔵したプラグ24が嵌め込まれている。プラグ24には、防水透湿フィルタが設けられた通気用ソケット部材と、圧力計が設けられた圧力計測ソケット部材と、が着脱可能である。【選択図】図1
SWITCH MACHINE AND INSPECTION METHOD
転てつ機及び検査方法
2019-10-24
Patent
Electronic Resource
Japanese
Switch machine indication rod and gap inspection device thereof
European Patent Office | 2020
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