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    • 33. 发明授权
    • Trench cleaning apparatus
    • 沟槽清洗设备
    • US6058631A
    • 2000-05-09
    • US119756
    • 1998-07-21
    • Douglas Dean Crawford
    • Douglas Dean Crawford
    • E02D17/06E02D17/13E02F3/96E02F5/02E02F5/28E02F5/00E02F5/30
    • E02F3/962E02D17/06E02D17/13E02F5/025E02F5/027E02F5/285
    • A trench cleaning apparatus for attachment to a tractor, the trench cleaning apparatus for extricating crumbs from a trench into control of the tractor. The trench cleaning apparatus utilizes a rigid member having a top edge, a bottom edge, a first side edge and a second side edge. When the rigid member is inserted into a trench at an angle to horizontal and propelled, the first edge and the second edge engage the sidewalls of the trench and the bottom edge of the rigid member engages the bottom of the trench. As the rigid member is propelled, crumbs flow from the bottom of the trench to the top of said rigid member such that crumbs are extricated from the trench and the trench is cleaned. A bucket can be utilized in cooperation with the trench cleaning apparatus such that crumbs above ground level can also be removed.
    • 一种用于连接到拖拉机的沟槽清洁装置,用于将沟槽的沟槽从沟槽中提取到拖拉机的控制中的沟槽清洁装置。 沟槽清洁装置利用具有顶部边缘,底部边缘,第一侧边缘和第二侧边缘的刚性构件。 当刚性构件以水平方式插入沟槽并被推进时,第一边缘和第二边缘接合沟槽的侧壁,并且刚性构件的底部边缘接合沟槽的底部。 当刚性构件被推进时,碎屑从沟槽的底部流动到所述刚性构件的顶部,使得屑屑从沟槽中排出并且沟槽被清洁。 可以与沟槽清洁装置配合使用铲斗,使得也可以去除地平面以上的面包屑。
    • 34. 发明授权
    • Swing type hydraulic excavator
    • 摇摆式液压挖掘机
    • US5975833A
    • 1999-11-02
    • US913993
    • 1997-09-29
    • Kazuyoshi YamadaMasashi KoboriTakaharu Nishimura
    • Kazuyoshi YamadaMasashi KoboriTakaharu Nishimura
    • E02F3/30E02F3/34E02F3/38E02F3/42E02F3/96E02F9/08E02F5/00
    • E02F3/32E02F3/301E02F3/325E02F3/384E02F3/964E02F9/0833E02F9/0891
    • An upper cover has a curved portion formed in its end portion on the side near a work front for avoiding interference with the work front. The curved portion comprises a recessed surface having a center axis aligned with the axis of a vertical pin of a swing post, a first stepped portion provided at a lower end of the recessed surface and defining a substantially constant gap with respect to a locus drawn by a rear projecting portion of the swing post when the work front is swung, and a second stepped portion provided in an intermediate portion of the recessed surface in the direction of height thereof and having a substantially horizontal surface for assuring a foothold. The recessed surface is configured to extend along a locus drawn by a back surface of the boom when the work front is swung in its minimum-turn posture, while defining a gap with respect to the locus. The first stepped portion has a substantially vertical curved surface formed in continuation with the lower end of the recessed surface and defining a substantially constant gap with respect to the locus drawn by the rear projecting portion of the swing post when the work front is swung, and a substantially horizontal surface formed in continuation with adjacent the curved surface on the side near the work front and defining a substantially constant gap with respect to a locus drawn by a lower end of the rear projecting portion of the swing post when the work front is swung.
    • PCT No.PCT / JP97 / 00182 Sec。 371日期:1997年9月29日 102(e)1997年9月29日PCT PCT 1997年1月28日PCT公布。 公开号WO97 / 28316 PCT 日期1997年8月7日上盖在其靠近工作面的一侧的端部形成有弯曲部分,以避免与工作面的干涉。 弯曲部分包括具有与摆动柱的垂直销的轴线对准的中心轴线的凹陷表面,设置在凹陷表面的下端处的第一阶梯部分,并且相对于由 当摆动工作台摆动时摆动杆的后突出部分和设置在凹形表面的高度方向的中间部分中的第二台阶部分,并且具有大致水平的表面以确保立足点。 凹陷表面构造成当工作前沿以其最小转弯姿势摆动时,沿着由悬臂的后表面绘制的轨迹延伸,同时限定相对于轨迹的间隙。 所述第一台阶部分具有与所述凹陷表面的下端相连续形成的大致垂直的弯曲表面,并且当所述工作摆动摆动时,相对于所述摆动柱的后突出部分所画出的轨迹形成基本恒定的间隙;以及 一个基本上水平的表面,其连续地邻近靠近工作前部的一侧的弯曲表面,并且当工作前沿摆动时,相对于由摆动柱的后突出部分的下端拉出的轨迹形成一个基本恒定的间隙 。
    • 39. 发明授权
    • Forest fire extinguishing apparatus
    • 森林灭火器
    • US5214867A
    • 1993-06-01
    • US881183
    • 1992-05-11
    • Ervin E. WeatherlyRobert K. Willms
    • Ervin E. WeatherlyRobert K. Willms
    • A62C99/00E02F3/18E02F3/20E02F5/00E02F5/08
    • A62C99/0045E02F3/188E02F3/20E02F5/00
    • Towed apparatus for excavating, pulverizing, and throwing soil to halt the spread of a forest fire. The apparatus comprises two series of rotating disks mounted to a first frame, each series driven by a hydraulic motor, for loosening the soil and pulverizing it into soil particles, followed by plowshares for funneling the resulting soil particles into a mound directly in the path of a spinner rotatably secured within a housing and having a plurality of fins attached thereto that scoop portions of the soil particles from the mound and throw them through a hole in the housing. Each disk in the series of disks has teeth secured about its peripheral edge for loosening the soil, pulverizing it and cutting and grinding roots, stumps and friable rock. The first frame is connected to a wheeled second frame by hydraulic cylinders to raise and lower the first frame with respect to the soil so that the series of disks can engage and be disengaged the soil to the depth desired.
    • 用于挖掘,粉碎和投掷土壤以阻止森林火灾蔓延的牵引设备。 该装置包括安装在第一框架上的两系列旋转盘,每个系列由液压马达驱动,用于松动土壤并将其粉碎成土壤颗粒,随后用于将所得土壤颗粒漏斗到直接在 旋转固定在壳体内并具有附接到其上的多个翅片的旋转器,从土丘舀取土壤颗粒的一部分并将其扔在壳体中的孔中。 一系列盘中的每个盘具有围绕其外围边缘固定的齿,用于松动土壤,粉碎并切割并研磨根部,树桩和脆性岩石。 第一框架通过液压缸连接到带轮的第二框架,以相对于土壤升高和降低第一框架,使得一系列盘可以接合并将土壤脱离到所需的深度。