会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明授权
    • Revolving-frame structure of construction machinery
    • 施工机械的走廊框架结构
    • US07556469B2
    • 2009-07-07
    • US10563215
    • 2004-07-06
    • Nozomu TanakaYasuo KoideHiroyuki Isobe
    • Nozomu TanakaYasuo KoideHiroyuki Isobe
    • B66C23/00
    • E02F9/0816Y10T29/49895Y10T29/53978Y10T403/4602Y10T403/4605Y10T403/4621
    • A swivel frame structure for a hydraulic excavator, said swing frame structure being to be arranged in a swing upperstructure 21, has a center frame 1 composed of side plates 6,7 and a reinforcement plate 8 joined to each other. The swing frame structure is provided with mating portions for bringing the side plates 6,7 and the reinforcement plate 8 into engagement with each other. These mating portions comprise plug-in structure portions, which in turn comprise holes 6a,7a formed through the respective side plates 6,7 and lugs 8a,8b arranged on opposite side edge portions of the reinforcement plate 8 and to be inserted into the holes 6a,7a of the corresponding side plates 6,7. The center frame can be fabricated without needing any jigs for fixedly holding the side plates and a bottom plate together.
    • 一种用于液压挖掘机的旋转框架结构,所述摆动框架结构设置在摆动上部结构21中,具有由彼此连接的侧板6,7和加强板8构成的中心框架1。 摆动框架结构设置有用于使侧板6,7和加强板8彼此接合的配合部分。 这些配合部分包括插入结构部分,该部分又包括通过相应的侧板6,7形成的孔6a,7a和布置在加强板8的相对侧边缘部分上的凸耳8a,8b,并插入孔中 6a,7a对应的侧板6,7。 可以制造中心框架而不需要用于将侧板和底板一起固定的任何夹具。