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    • 7. 发明公开
    • 굴삭기의 수평 다림질 및 법면 작업성 개선장치
    • 挖掘机的平面和平面改进装置
    • KR1020080058939A
    • 2008-06-26
    • KR1020060133167
    • 2006-12-22
    • 두산인프라코어 주식회사
    • 김용채
    • E02F9/20E02F9/14
    • E02F3/437E02F9/2203E02F9/2239E02F9/2267E02F9/2285E02F9/2292F15B13/021F15B2013/0413F15B2211/30595F15B2211/3122F15B2211/3133F15B2211/324F15B2211/327F15B2211/329F15B2211/355F15B2211/6355
    • A flat and slant improvement device of an excavator is provided to level the ground and compact a slope easily. A flat and slant improvement device of an excavator comprises first and second pumps(P1,P2), a control valve(21), an arm crowd pilot line(Pac), a boom up pilot line(Pi), and a first switching valve(10). The control valve includes a boom second speed spool(3), an arm first speed spool(4), a bucket spool(6), a boom first speed spool(2), and an arm second speed spool(5). The boom second speed spool is connected with the first pump via a center parallel lilne(Ps). The bucket spool is connected with the second pump via the center parallel line. The arm crowd pilot line interconnects the arm first and second speed spools. The boom up pilot line is connected with the boom first and second speed spools. The first switch valve is switched between a first position in which the first switch valve is connected with the boom up pilot line and a second position in which the first switch valve is disconnected with the boom up pilot line.
    • 提供挖掘机的平坦且倾斜的改进装置以使地面平整并容易地压实坡度。 挖掘机的平坦且倾斜的改进装置包括第一和第二泵(P1,P2),控制阀(21),臂群控制管线(Pac),吊臂上升先导管线(Pi)和第一切换阀 (10)。 控制阀包括悬臂二速滑阀(3),臂第一速滑阀(4),铲斗滑阀(6),起重臂第一速滑阀(2)和臂二速滑阀(5)。 动臂二速滑阀通过中心平行的空气(Ps)与第一泵连接。 铲斗卷轴经由中心平行线与第二泵连接。 胳膊人群导向线将臂和第二速度线轴相互连接。 起重臂上升引导线与起重臂第一和第二速线轴连接。 第一切换阀在第一位置和第二位置之间切换,在第一位置,第一切换阀与起重臂上升先导管连接,第二切换阀与第一切换阀与起重臂上升导向管线分离。
    • 9. 发明公开
    • 리벳터
    • NUT-PLATE RIVETER
    • KR1020050094444A
    • 2005-09-27
    • KR1020057013279
    • 2003-12-09
    • 아큐먼트 인털렉추얼 프로퍼티즈 엘엘씨
    • 엘데소키에임드
    • B21J15/34B21D9/05
    • F15B11/0365B21J15/105B21J15/18B25B27/0014F15B2211/30525F15B2211/324F15B2211/7055Y10T29/53739Y10T29/53748
    • A nut-plate riveter (10, 10a) which includes multiple pistons (18, 20, 20a) which assist in creating a pulling force. The nut-plate riveter (10, 10a) provides that spent mandrels (22) are pulled through the tool, thereby avoiding problems in the field. The nut-plate riveter (10, 10a) includes a handle (12) and a plurality of pistons (18, 20, 20a) disposed in the handle (12). Cavities are proximate the pistons for pressurizing the pistons (18, 20, 20a), and air supply passages are in communication with the cavities for supplying air to the cavities to pressurize the pistons (18, 20, 20a). A piston rod (80) is engaged with at least one of the pistons (18), and the piston rod (80) has a longitudinal bore (88) therethrough which is configured to receive a spent mandrel (22). A deflector fitting (34) may be disposed at an end of the nut-plate riveter (10, 10a).
    • 一种螺母板铆钉(10,10a),其包括有助于产生拉力的多个活塞(18,20,20a)。 螺母板铆钉(10,10a)提供了用过的心轴(22)被拉过工具,从而避免了现场的问题。 螺母板铆钉(10,10a)包括手柄(12)和设置在手柄(12)中的多个活塞(18,20,20a)。 空腔靠近用于对活塞(18,20,20a)加压的活塞,并且空气供应通道与空腔连通,用于向空腔供应空气以对活塞(18,20,20a)加压。 活塞杆(80)与活塞(18)中的至少一个接合,并且活塞杆(80)具有穿过其中的纵向孔(88),所述纵向孔(88)构造成容纳废芯(22)。 偏转器配件(34)可设置在螺母板铆钉(10,10a)的端部。