To provide a semi-trailer connection angle measuring device that can be easily applied to an existing semi-trailer and can measure a connection angle between a tractor and a trailer without being influenced by the weather.SOLUTION: A semi-trailer connection angle measuring device includes: wire type linear scales 20A, 20B; and an arithmetic device 30 configured to calculate a connection angle θ from lengths Xa, Xb detected by the wire type linear scales 20A, 20B. The wire type linear scales 20A, 20B include: a wire 24 including end fixation devices 22A, 22B; and encoder bodies 26A, 26B configured to wind up the wire 24 without slack and detect the length to the end fixation devices 22A, 22B. The encoder bodies 26A, 26B are rotatably fixed to a tractor 1, and the end fixation devices 22A, 22B are rotatably fixed to a position P separated from a connection point O of a trailer 2.SELECTED DRAWING: Figure 2

    【課題】既存のセミトレーラへの適用が容易であり、かつ天候に左右されずにトラクタとトレーラの連結角を計測できるセミトレーラ連結角計測装置を提供する。【解決手段】ワイヤ式リニアスケール20A,20Bと、ワイヤ式リニアスケール20A,20Bによる検出長さXa,Xbから連結角θを演算する演算装置30と、を備える。ワイヤ式リニアスケール20A,20Bは、先端固定具22A,22Bを有するワイヤ24と、ワイヤ24をたるみなく巻き取りかつ先端固定具22A,22Bまでの長さを検出するエンコーダ本体26A,26Bとを有する。エンコーダ本体26A,26Bが、トラクタ1に回動可能に固定され、先端固定具22A,22Bが、トレーラ2の連結点Oから離れた位置Pに回動可能に固定されている。【選択図】図2


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    Title :

    SEMI-TRAILER CONNECTION ANGLE MEASURING DEVICE


    Additional title:

    セミトレーラ連結角計測装置


    Contributors:

    Publication date :

    2021-07-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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