To provide a gate opening/closing device capable of smoothly opening/closing a gate using a link mechanism.SOLUTION: A gate opening/closing device for truck includes: a first link mechanism 30 which has a base end part rotatably connected with a frame 13 and has a front end part capable of moving in a direction of rotating a gate 10 toward a closing position and a second direction rotating the gate toward an opening position; a cam 50 having a rear end part rotatably connected with the front end part of the first link mechanism and a front end part spaced from the rear end part; a driving arm 60 rotatably connecting a front end part with the gate; a connection link 38 having a rear end part at which the front end part with the base end part of the driving arm rotatably connected and a middle part of the cam are connected to be rotatable; and a second link mechanism 40 which has a base end part rotatably connected with the frame on the gate side rather than the base end part of the first link mechanism and constituting a link including a cam shaft 51 rotatably provided at the front end part of the cam.SELECTED DRAWING: Figure 2

    【課題】リンク機構を用いてアオリを滑らかに開閉動作させることができるアオリ開閉装置を提供する。【解決手段】トラックのアオリ開閉装置は、フレーム13に対して回動可能に連結した基端部を有するとともに、アオリ10を閉鎖位置に向けて回動させる方向及びアオリを開放位置に向けて回動させる第2方向に移動可能な先端部を有する第1リンク機構30と、第1リンク機構の先端部に回動可能に連結した後端部とこの後端部から離間した先端部を有するカム50と、アオリに先端部を回動可能に連結した駆動アーム60と、駆動アームの基端部を回動可能に連結した先端部とカムの中間部を回動可能に連結した後端部を有する連結リンク38と、第1リンク機構の基端部よりアオリ側でフレームに対して回動可能に連結した基端部を有するとともに、カムの先端部に回動可能に設けたカムシャフト51を含むリンクを構成した第2リンク機構40と、を有する。【選択図】図2


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    Title :

    GATE OPENING/CLOSING DEVICE


    Additional title:

    アオリ開閉装置


    Contributors:

    Publication date :

    2023-07-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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