挖 斗

　　　　大小臂
　　　　液压油缸
　　　　快换接头

　　　　倾斜斗

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Boom and arm

　　公司可为各种品牌挖掘机设计、生产标准和非标的大、小臂、加长臂。通过先进的电脑辅助设计系统，从应力分析、材质选择、技术和工艺、设计制作等方面保证了产品的结构强度、使用性能和质量。臂内安装有内部缓冲板以承受强力负载，从而大大延长了挖掘机的使用寿命。　　 
　　公司还可根据客户要求设计生产各种二段式和三段式加长臂，二段式主要适用于土石方基础和深堑挖掘作业，三段式主要适用于高层建筑的拆解等工程。

We are specializing in the production of various kinds of standard booms, arms, and extension jibs for construction machinery. Considerable improvement has been made with reasonable selection of materials and thickness after analysis of stress concentration part through FEM with the help of CAD system. The inside buffer plate is to support tensile load, which prolongs the service life of excavators. 
We also can design various kinds of extension jibs according to customer’s requirements. There are two kinds of extension jibs: two-segment type and three-segment type. Two-segment type is mainly applied in the transit of building materials like earth, sand, and concrete, the slope maintenance of expressways, and the dredging of watercourses, etc. Three-segment type is mainly applied in demolishing high-rises.

小松挖掘机二段式加长臂技术参数
机型/参数 PC120-6 PC200LC-6 PC220LC-6 PC300LC-6 PC350LC-6 PC400LC-6 PC450LC-6
动臂和斗杆总长 13000 15380 15380 18000 20000 22000 24000
工作重量 3000 4000 4200 5200 6000 6500 7000
斗容量 0.3 0.4 0.4 0.4 0.5 0.6 0.6
最大挖掘
高度		 11300 12510 12610 13720 14920 16100 17300
最大外伸挖掘范围 12500 15100 15100 17600 19600 21600 23600
最大挖掘
深度		 9000 11340 11370 13000 15000 16500 18000
全高 2900 2980 3040 3210 3210 3400 3400
 The concrete parameters of KOMATSU two-segment type are as follows:
 Parameters\Models  PC120-6  PC200LC-6  PC220LC-6  PC300LC-6  PC350LC-6  PC400LC-6  PC450LC-6
 Total Length of Boom & Arm (mm) 13000 15380 15380 18000 20000 22000 24000
 Operating Weight (kg) 3000 4000 4200 5200 6000 6500 7000
 Bucket Capacity (m3) 0.3 0.4 0.4 0.4 0.5 0.6 0.6
 Max. Digging Height (mm) 11300 12510 12610 13720 14920 16100 17300
 Max Digging extension (mm) 12500 15100 15100 17600 19600 21600 23600
 Max. Digging Depth (mm) 9000 11340 11370 13000 15000 16500 18000
 Total Height (mm) 2900 2980 3040 3210 3210 3400 3400

小松挖掘机三段式加长臂技术参数
机型/参数 PC120-6 PC200LC-6 PC220LC-6 PC300LC-6 PC350LC-6 PC400LC-6 PC450LC-6
三段臂
总长		 12000 14000 16000 18000 20000 22000 24000
工作装置
重量		 3000 4500 5000 6000 7000 8000 9000
液压剪限制重量 under800 under1500 under2000 under2000 under2000 under2000 under2000
全高 3000 3100 3160 3290 3290 3420 3420
 The concrete parameters of KOMATSU three-segment type long reach are as follows:
 Parameters\Models  PC120-6  PC200LC-6  PC220LC-6  PC300LC-6  PC350LC-6  PC400LC-6  PC450LC-6
 Total Length (mm) 12000 14000 16000 18000 20000 22000 24000
 Operating Weight (kg) 3000 4500 5000 6000 7000 8000 9000
 Min weight of hydraulic scissors  ＞800  ＞1500  ＞2000  ＞2000  ＞2000  ＞2000  ＞2000
 Total Height (mm) 3000 3100 3160 3290 3290 3420 3420