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油圧ショベル

机译:液压挖掘机

摘要

PROBLEM TO BE SOLVED: To provide a hydraulic shovel which can prevent a hook from coming off a second link in replacing a work tool (a bucket and the like) and which can suppress abrasion of a hook.;SOLUTION: A hook holder 30 provided in a hook housing space S1 in a second link 15 comprises: a support protrusion 38 holding a hook 23 at a housing position with an outside surface 28B1 of a tip side 28B of a hook portion 28 of the hook 23 made to be contact therewith when the hook 23 is inserted into the hook housing space S1 from the tip side 28B of the hook portion 28; and a hook latching protrusion 39 which is positioned closer to left and right bucket side bosses 21,22 than the support protrusion 38 and which latches the hook 23 with an inside surface 28B2 of the tip side 28B of the hook 23 made to be contact therewith when a connecting-pin 11B is removed to let the hook 23 move closer to the left and right bucket side bosses 21,22 under its own weight.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
机译:解决的问题:提供一种液压铲,该液压铲在更换作业工具(铲斗等)时可以防止钩子从第二连杆上脱落,并且可以抑制钩子的磨损。解决方案:提供了钩子支架30第二连杆15中的钩容纳空间S1中的钩包括:支撑突起38,其将钩23保持在容纳位置,使得钩23的钩部28的尖端侧28B的外表面28B1与钩23接触。钩23从钩部28的顶端侧28B插入到钩容纳空间S1中。钩子卡止突起39,其比支撑突起38更靠近左右的铲斗侧凸台21、22,并与钩子23的顶端侧28B的内侧面28B2抵接而钩住钩子23。当移除连接销11B以使钩23在自重作用下更靠近左右铲斗侧凸台21,22时;选定的图纸:图3;版权:(C)2019,JPO&INPIT

著录项

  • 公开/公告号JP2019035280A

    专利类型

  • 公开/公告日2019-03-07

    原文格式PDF

  • 申请/专利权人 HITACHI CONSTR MACH CO LTD;

    申请/专利号JP20170158029

  • 发明设计人 関 誠治;高野 賢一;

    申请日2017-08-18

  • 分类号E02F3/36;B66C1/68;

  • 国家 JP

  • 入库时间 2022-08-21 12:20:19

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