挖掘机的三大主要部件是底盘、机房和动臂(有的也用动臂)。伸缩臂挖掘机租赁公司带您了解一下挖掘机伸缩臂有哪些配置和规格。
The three main components of excavator are chassis, machine room and boom (some also use boom). The telescopic boom excavator leasing company will show you the configurations and specifications of the telescopic boom of the excavator.
吊杆与房屋相连，提供上下运动。它可以是几种不同的配置之一：
The boom is connected to the house to provide up and down movement. It can be one of several different configurations:
常见的是单吊杆，除了直上直下，没有任何运动。
It is common for a single boom to have no movement except straight up and down.
其他一些动臂有一个联合动臂，也可以随机器左右移动。
Some other booms have a combined boom that can also move left and right with the machine.
另一种选择是在吊臂底部设置铰链，使其可以独立于机房旋转180度；然而，这通常只适用于紧凑型挖掘机。
Another option is to set a hinge at the bottom of the boom so that it can rotate 180 degrees independently of the machine room; However, this usually applies only to compact excavators.
可变角度臂在动臂中间有一个额外的接头，用于改变动臂的曲率。这些也被称为三片臂(TAB)或三片臂。
The variable angle arm has an additional joint in the middle of the boom to change the curvature of the boom. These are also referred to as three piece arms (TAB) or three piece arms.
附在吊杆末端的是一根棍子(或铲臂)。斗杆提供将铲斗拉过地面所需的挖掘运动。棍子的长度是可选的，取决于它是需要达到(更长的棍子)还是爆炸力(更短的棍子)。单棍是常见的，但也有伸缩杆，比如。棍子末端通常有一个桶。宽、大容量、直刃(泥)铲斗，用于清洁和整平待挖掘的软材料，无需齿。
Attached to the end of the boom is a stick (or shovel arm). The stick provides the digging movement required to pull the bucket across the ground. The length of the stick is optional, depending on whether it needs to reach (longer stick) or explosive force (shorter stick). Single stick is common, but there are also telescopic rods, such as. A stick usually has a barrel at the end. Wide, large capacity, straight bladed (mud) bucket for cleaning and leveling soft materials to be excavated without teeth.
通用(GP)铲斗一般都很小，强度很高，侧面有坚硬的切口和齿，用来打碎坚硬的地面和岩石。水桶有多种形状和尺寸，可用于各种目的。此外，还有许多其他附件可以连接到挖掘机上，用于钻孔、挖掘、破碎、切割、提升等。附件可以用类似于臂的其他部分的销连接，或者用某种快速连接器连接。斯堪的纳维亚地区的挖掘机通常配备有倾斜器，可将附件旋转360度并倾斜/-45度，以提高挖掘机的灵活性和准确性。
General purpose (GP) buckets are generally small with high strength. There are hard cuts and teeth on the side to break hard ground and rocks. Buckets come in a variety of shapes and sizes and can be used for a variety of purposes. In addition, there are many other accessories that can be connected to the excavator for drilling, excavation, crushing, cutting, lifting, etc. Accessories can be connected with pins similar to other parts of the arm, or with some kind of quick connector. Excavators in Scandinavia are usually equipped with tilters, which can rotate the accessories 360 degrees and tilt / - 45 degrees to improve the flexibility and accuracy of excavators.
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