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    • 2. 发明专利
    • Double-rope grab bucket
    • 双重GRAB BUCKET
    • JP2013053508A
    • 2013-03-21
    • JP2011247427
    • 2011-11-11
    • Minotsu Tekko Kkミノツ鉄工株式会社Nissan Rinkai Construction Co Ltdりんかい日産建設株式会社Fukumaru Kensetsu Kk福丸建設株式会社
    • MASUDA KIYOKATSUMOMOTA SHOGO
    • E02F3/47B66C3/12
    • PROBLEM TO BE SOLVED: To provide a double-rope grab bucket which can efficiently perform dredging and excavation in harbors or the like by changing an opening/closing direction of bucket shells easily with less labor at a work site while simplifying a structure.SOLUTION: A double-rope grab bucket includes an upper frame 1, a lower frame 2, bucket shells 4, rods 5 and the like. The upper frame 1 is provided with front-and-back and right-and-left hangers 25 and 26 for elevating ropes 7. Guide rollers 45 for an opening/closing rope 8 are disposed in an area enclosed by the four hangers 25, 26. A line P connecting the guide centers of both guide rollers 45 is inclined at about 45° with respect to an opening/closing central axis Q of a pair of the bucket shells 4. The elevating ropes 7 are connected to either a pair of the front and back hangers 25 or a pair of the right and left hangers 26, and the attitude of the grab bucket is changed to be vertical or horizontal by rope restoring force generated when the elevating ropes 7 are wound up.
    • 要解决的问题:提供一种双绳抓斗,其可以通过在工作现场更容易地改变桶壳的打开/关闭方向来有效地执行在港口等中的疏浚和挖掘,同时简化结构 。 解决方案:双绳抓斗包括上框架1,下框架2,桶壳4,杆5等。 上框架1设置有用于升降绳索7的前后左右悬挂架25和26.用于打开/关闭绳索8的导向辊45设置在由四个悬挂架25,26包围的区域中 连接两个引导辊45的引导中心的线P相对于一对桶壳4的打开/关闭中心轴线Q倾斜约45°。升降绳索7连接到一对 前后悬挂架25或一对左右的悬挂架26,并且抓斗的姿态通过在升降绳索7被卷起时产生的绳索的恢复力而变为垂直或水平。 版权所有(C)2013,JPO&INPIT