发明名称 電動式走行車両
摘要 PROBLEM TO BE SOLVED: To provide an electric traveling vehicle which prevents a malfunction that a parking brake cannot be released, thereby mobile work with the electric traveling vehicle cannot be carried out.SOLUTION: An electric traveling vehicle is equipped with: a parking brake device which applies parking brake force to a brake disc according to a parking brake command and releases the parking brake force by brake release pressure by hydraulic pressure; and a brake release device which has an accumulator and supplies the brake release pressure to the parking brake device by a pressure oil held in the accumulator. With this, it is possible to prevent a malfunction that a parking brake canot be released, thereby mobile work with the electric traveling vehicle cannot be carried out, thus contributing to improvement of work efficiency.
申请公布号 JP5879296(B2) 申请公布日期 2016.03.08
申请号 JP20130077367 申请日期 2013.04.03
申请人 日立建機株式会社 发明人 伊藤 徳孝;中澤 由彦
分类号 F16D65/18;F16D55/226;H02K7/102 主分类号 F16D65/18
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