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公开(公告)号：WO2016198376A1
公开(公告)日：2016-12-15
申请号：PCT/EP2016/062849
申请日：2016-06-07
Applicant: CATERPILLAR SARL
Inventor： SHIMIZU, Kunitomo , KOGA, Hirokazu , TAKADA, Shuichi , YOKOHATA, Kenji , KIMURA, Yusuke
Abstract: This invention relates to a front linkage for a construction machine which can uniquely calculate the rotation angle of the work tool relative to the arm and which can prevent the angle detection device from being damaged by contact with the soil during the digging work. With reference to Fig. 1, the front linkage (8) for a construction machine has an arm (20), a first link (28) in which one end portion is pivotally connected to the front end side of the arm (20), a second link (30) in which one end portion is pivotally connected to the other end portion of the first link (28), and a work tool (22) which is pivotally connected to the other end portion of the second link (30) and which is pivotally connected to the arm (20) in a further front end side than the one end portion of the first link (28). The first link (28) is positioned outward along the outer width of the side wall (34) of the arm (20). An angle detecting device for detecting the rotation angle of the first link (28) relative to the arm (20) is disposed between inner surface of the first link (28) and the side wall (34) outer surface of the arm (20). The angle detecting device may comprises a magnet which is disposed on the inner surface of the first link (28) and a magnetic detector which is disposed on the outer surface of the sidewall (34) of the arm (20).
Abstract translation: 本发明涉及一种用于建筑机械的前连杆机构，其可以唯一地计算作业工具相对于臂的旋转角度，并且能够防止角度检测装置在挖掘作业期间与土壤接触而损坏。 参考图1。 如图1所示，用于建筑机械的前连杆机构（8）具有臂（20），第一连杆（28），其一端部枢转地连接到臂（20）的前端侧，第二连杆（30） ），其中一个端部枢转地连接到第一连杆（28）的另一端部，以及工作工具（22），枢转地连接到第二连杆（30）的另一端部并且枢转地连接 在与所述第一连杆（28）的所述一个端部相比更靠前端侧的所述臂（20）上。 第一连杆（28）沿着臂（20）的侧壁（34）的外宽度向外定位。 用于检测第一连杆（28）相对于臂（20）的旋转角度的角度检测装置设置在第一连杆（28）的内表面和臂（20）的侧壁（34）外表面之间， 。 角度检测装置可以包括设置在第一连杆（28）的内表面上的磁体和设置在臂（20）的侧壁（34）的外表面上的磁检测器。
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