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    • 1. 发明授权
    • 굴착기의 브레이커 구조장치
    • 开挖机结构设备
    • KR101355133B1
    • 2014-01-28
    • KR1020120102778
    • 2012-09-17
    • (주)신우중공업
    • 최영길
    • E21B1/36E21B10/58
    • E02F3/966
    • The present invention relates to a breaker structural apparatus for an excavator and, more specifically, to a breaker structural apparatus in which a piston is divided into first and second pistons which are connected and can be detached, and the piston is raised by a hook part and hits a chisel part by free-fall or fall due to inflation pressure of a compression chamber when the hook unit releases the piston. According to the present invention, whole piston replacement which conventionally results from damage to a piston due to strong friction between the piston and a chisel part such as piston breakage can be prevented, and only a first piston which directly comes into contact with the chisel part is replaced, thereby saving costs.
    • 本发明涉及一种用于挖掘机的断路器结构设备,更具体地说,涉及一种断路器结构设备,其中活塞被分为连接并可拆卸的第一和第二活塞,并且活塞通过钩部件 并且当钩单元释放活塞时由于压缩室的充气压力自由落下或落下而撞击凿子部分。 根据本发明,可以防止由于活塞和凿子部件之间的强烈摩擦而导致活塞损坏的活塞全部更换,例如活塞破坏,并且只有直接与凿部件接触的第一活塞 被更换,从而节省成本。
    • 4. 发明授权
    • 굴착기의 치즐 구조장치
    • 挖掘机的建筑结构设备
    • KR101355134B1
    • 2014-01-28
    • KR1020120102777
    • 2012-09-17
    • (주)신우중공업
    • 최영길
    • E21B1/36E21B10/58
    • E02F3/966B25D17/08B25D2222/72
    • The present invention relates to a chisel structure for an excavator. More specifically, the structure includes a cylindrical ring-shape key on the outer circumference of a chisel case so that, when a chisel unit and the key continuously collide as the chisel unit moves up and down, the impact due to the collision can be absorbed thanks to the greater contact cross-sectional area between the key and the chisel unit than the previous technology and accordingly, the replacement cost due to damage can be saved as damage to the key or the chisel unit is reduced. Furthermore, as a cylinder cover with multiple sealing pieces are installed at the end of the chisel case, it is possible to prevent a bushing from being separated due to the up-down movement of the chisel case and at the same time, make the key or the bushing be easily detached or attached for replacement. Also, by touching the outer circumference of the chisel case closely, the structure is able to prevent oil from leaking and prevent foreign substances from flowing in.
    • 本发明涉及一种挖掘机的凿子结构。 更具体地说,该结构包括在凿壳外壳上的圆柱形环形键,使得当凿单元和键随着凿单元的连续碰撞而上下移动时,可以吸收由于碰撞引起的冲击 由于键和凿单元之间的接触截面积大于以前的技术,因此可以节省由于损坏造成的更换成本,因为钥匙或凿子单元的损坏减少了。 此外,由于具有多个密封件的气缸盖安装在凿壳的端部,所以可以防止衬套由于凿壳的上下运动而被分离,同时使钥匙 或者衬套可以容易地分离或附接以进行更换。 另外,通过接触凿子外壳的外周,该结构能够防止油泄漏并防止异物流入。