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公开(公告)号：EP1903149B1
公开(公告)日：2010-06-23
申请号：EP06711979.2
申请日：2006-01-19
申请人： Yanmar Co., Ltd.
发明人： SEINO, Hideki , Masami, Kondou
CPC分类号： E02F9/0891 , B60K11/02 , B60K11/04 , B60K11/085 , B62D25/10 , E02F9/0833 , F01P5/02 , F01P11/10 , F01P11/12 , F01P2001/005 , Y02T10/88
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公开(公告)号：EP1767709A1
公开(公告)日：2007-03-28
申请号：EP05753341.6
申请日：2005-06-23
申请人： Yanmar Co., Ltd.
发明人： SEINO, Hideki , MATSUMOTO, Takao
CPC分类号： F15B15/14 , E02F9/2271 , E02F9/24 , F15B15/20 , Y10T74/2196
摘要： A conventional solid protection device disposed on an exposed side of a cylinder for actuating a working device had a possibility of being permanently deformed by contacting an obstacle so as to be prevented from sliding properly corresponding to the telescopic movement of the hydraulic cylinder. An object of the invention is to provide a hardly deformable protection device. To protect an exposed side of a cylinder for a working device, a protection device 30 includes a guard member 32 and a slide guide 31 into which guard member 32 is telescopically fitted. Slide guide 31 is attached to a cylinder tube 9a, and a tip of guard member 32 is attached to a tip of piston rod 9b. Guard member 32 is a flat plate made of spring steel. A width of guard member 32 is larger than a diameter of the piston rod. Notches 32a are provided on lateral opposite sides of a basic side end of guard member 32. Sliders 33 are fitted to respective notches 32a. The top of guard member 32 is bent into a roll-shape so as to serve as a pivotal portion.
摘要翻译： 设置在用于致动工作装置的气缸的暴露侧上的常规固体保护装置具有通过接触障碍物而永久变形的可能性，以便防止对应于液压缸的伸缩运动而正确地滑动。 本发明的目的是提供一种难以变形的保护装置。 为了保护用于工作装置的气缸的暴露侧，保护装置30包括防护构件32和滑动引导件31，保护构件32可伸缩地安装在该导向件31中。 滑动引导件31连接到气缸管9a，并且保护构件32的末端附接到活塞杆9b的末端。 保护构件32是由弹簧钢制成的平板。 防护构件32的宽度大于活塞杆的直径。 凹口32a设置在保护构件32的基本侧端的相对侧。滑动件33装配到相应的凹口32a。 防护构件32的顶部弯曲成辊状，以作为枢转部分。
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4.发明公开
公开(公告)号：EP3272948A1
公开(公告)日：2018-01-24
申请号：EP16764750.2
申请日：2016-03-04
申请人： Yanmar Co., Ltd.
CPC分类号： E02F9/2271 , E02F9/006 , E02F9/16
摘要： A work vehicle such as a backhoe having a cabin disposed on one side of excavator equipment and a tank unit disposed on the other side of the excavator equipment involves a problem that versatility is poor when a boom bracket constitutes a lower part of a side wall of the cabin, and in addition, even when the boom bracket is formed as a member separate from the cabin, a component part of the cabin needs to be removed at a time of replacement of a boom fulcrum pin, etc. Provided is a backhoe 1 including: excavator equipment 4 provided with a first boom 20 having its proximal end portion 20a coupled to a rotatable boom fulcrum pin 45; a cabin 8 disposed on one side of the excavator equipment 4; and a tank unit 9 disposed on the other side of the excavator equipment 4, wherein the excavator equipment 4 and the cabin 8 are formed as separate members, and a right side wall 8A of the cabin 8 on the excavator equipment 4 side has a work hole 49 opened therein, such that the boom fulcrum pin 45 is installable and removable through the work hole 49 by inserting and extracting the boom fulcrum pin 45 from the cabin 8 side into and out of a cylindrical body 75 having the proximal end portion 20A fixed thereto.
摘要翻译： 在挖掘机设备的一侧设置有驾驶室的反铲挖掘机和设置在挖掘机设备的另一侧的箱单元的作业车辆存在悬臂支架构成挖掘机的侧壁的下部时的通用性差的问题 另外，即使当悬臂支架形成为与驾驶室分离的构件时，在更换悬臂支点销等时也需要移除驾驶室的组成部分。只要是反铲挖掘机1 包括：设置有第一悬臂20的挖掘机设备4，其第一悬臂20的近端部分20a联接到可旋转悬臂支点销45; 布置在挖掘机设备4的一侧上的驾驶室8; 以及设置在挖掘机设备4的另一侧上的箱体单元9，其中挖掘机设备4和箱体8形成为单独的构件，并且在挖掘机设备4侧的驾驶室8的右侧壁8A具有工作 通过将吊杆支点销45从车室8侧插入拔出固定有基端部20A的筒状体75，从而能够通过工作孔49装卸吊杆支点销45 于此。
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公开(公告)号：EP1767709B1
公开(公告)日：2010-08-18
申请号：EP05753341.6
申请日：2005-06-23
申请人： Yanmar Co., Ltd.
发明人： SEINO, Hideki , MATSUMOTO, Takao
CPC分类号： F15B15/14 , E02F9/2271 , E02F9/24 , F15B15/20 , Y10T74/2196
摘要： A protective device provided on the exposed side of a cylinder for driving a working machine has been constructed solid, and as a consequence, the device is permanently deformed when it is in contact with an obstacle, sometimes becoming unable to slide in conjunction with telescoping of the hydraulic cylinder. To solve such a problem, a protective device not easily deformed is provided. The protective device (30) for protecting the exposed side of a cylinder of a working machine has a guard member (32) and a slide guide (31) capable of receiving in a telescopic manner the guard member (32). Further, the slide guide (31) is installed on a cylinder tube (9a), and the head of the guard member (32) is installed on the head of the piston rod (9b). The guard member (32) is a flat plate of spring steel, and the width of the guard member (32) is set greater than the diameter of the piston rod. Cutouts (32a) are provided on both sides in the width direction of the base side end of the guard member (32), a slider (33) is fitted in the cutouts (32a), and the head of the guard member (32) is bent in a roll shape to form a pivot support section.
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