To close a gate by using another means even when a device such as an electric pump necessary to close the gate provided on a load-carrying platform of a truck does not operate due to a malfunction or the like.SOLUTION: In a gate opening/closing device that opens/closes a gate of a loading-platform side part of a track by means of an oil hydraulic cylinder, the oil hydraulic cylinder is connected with an electric pump by a hydraulic circuit along which hydraulic oil passes, the hydraulic circuit includes a branch passage having a switching valve, and a connection port is provided at an end of the branch passage.SELECTED DRAWING: Figure 5

    【課題】トラックの荷台に設けられた煽りを閉じる動作を行なうために必要な電動ポンプ等の装置が、故障等により作動しない場合でも、別の手段により煽りを閉じることができること。【解決手段】トラックの荷台側部の煽りを、油圧シリンダにより開閉する煽り開閉装置において、作動油が通る油圧回路により、油圧シリンダと電動ポンプが接続され、油圧回路は切換弁を有して分岐路を有し、分岐路の端部には接続口が設けられている煽り開閉装置。【選択図】図5


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    Title :

    GATE OPENING/CLOSING DEVICE


    Additional title:

    煽り開閉装置


    Contributors:

    Publication date :

    2023-09-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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