PROBLEM TO BE SOLVED: To facilitate arrangement of a slewing angle detection device.SOLUTION: A slewing angle detection device for a slewing type work machine is provided, the device including: a rotation member that is mounted to an upper slewing body and that rotates together with the upper slewing body with respect to a lower traveling body, the rotation member rotating by itself while revolving around the slewing center of the upper slewing body when the upper slewing body rotates with respect to the lower traveling body; an engagement member that is mounted to the lower traveling body or a housing, and that directly or indirectly engages with the rotation member; an angle sensor for detecting a rotation angle of the rotation member; and a calculation device for calculating a slewing angle of the upper slewing body with respect to the lower traveling body from a rotation angle detected by the angle sensor.

    【課題】旋回角度検出装置の配設を容易とする。【解決手段】旋回式作業機械の旋回角度検出装置において、上部旋回体に取り付けられて、上部旋回体とともに下部走行体に対して旋回する部材であって、下部走行体に対して上部旋回体が旋回すると、上部旋回体の旋回中心に対して公転しながら自転する回転部材と、下部走行体、または、ハウジングに取り付けられて、回転部材と直接または間接的に噛合する噛合部材と、回転部材の自転角度を検出する角度センサと、角度センサで検出した自転角度から、下部走行体に対する上部旋回体の旋回角度を算出する算出装置とを備えることを特徴とする。【選択図】図2


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    Title :

    SLEWING ANGLE DETECTION DEVICE FOR SLEWING TYPE WORK MACHINE


    Additional title:

    旋回式作業機械の旋回角度検出装置


    Contributors:

    Publication date :

    2015-09-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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