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一般工程使用的挖掘机有哪些种类?

日期:2020-09-10   来源:
1.反铲挖掘机反铲式是大家见过更常见的,向后向下,强制切土。可以用于停机作业面以下的挖掘,基本作业方式有:沟端挖掘、沟侧挖掘、直线挖掘、曲线挖掘、保持一定角度挖掘、超深沟挖掘和沟坡挖掘等。
1. Backhoe excavator backhoe type is the most common one we have seen, backward downward, forced cutting soil. It can be used for the excavation below the shutdown working face. The basic operation methods are: Ditch end excavation, ditch side excavation, straight line excavation, curve excavation, excavation at a certain angle, ultra deep ditch excavation and ditch slope excavation.
2.正铲挖掘机
2. Front shovel excavator
正铲挖掘机的铲土动作形式。其特点是“前进向上,强制切土”。正铲挖掘力大,能开挖停机面以上的土,宜用于开挖高度大于2m的干燥基坑,但须设置上下坡道。正铲的挖斗比同当量的反铲的挖掘机的斗要大一些,可开挖含水量不大于27%的一
The action form of shovel excavator. Its characteristic is "advance upward, force cut soil". The front shovel has large excavation force and can excavate the soil above the stop surface. It is suitable for excavation of dry foundation pit with height greater than 2m, but the up and down ramp must be set. The bucket of the front shovel is larger than that of the backhoe with the same equivalent, and the water content can be excavated no more than 27%
至三类土,且与自卸汽车配合完成整个挖掘运输作业,还可以挖掘大型干燥基坑和土丘等。正铲挖土机的开挖方式根据开挖路线与运输车辆的相对位置的不同,挖土和卸土的方式有以下两种:正向挖土,侧向卸土;正向挖土,反向卸土。
To three types of soil, and with the dump truck to complete the entire excavation and transportation operations, can also excavate large dry foundation pits and mounds. According to the different relative positions of the excavation route and transport vehicles, there are two excavation and unloading modes: forward excavation and lateral unloading; forward excavation and reverse unloading.
3.拉铲挖掘机
3. Dragline excavator
拉铲挖土机也叫索铲挖土机。其挖土特点是:“向后向下,自重切土”。宜用于开挖停机面以下的Ⅰ、Ⅱ类土。工作时,利用惯性力将铲斗甩出去,挖得比较远,挖土半径和挖土深度较大,但不如反铲灵活准确。尤其适用于开挖大而深的基坑或水下挖土。
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Dragline excavator is also called cable shovel excavator. Its excavation features are: "backward downward, self cutting soil". It is suitable for excavation of class I and II soil below the stopping surface. When working, the bucket is thrown out by the inertia force, and the digging radius and depth are larger, but it is not as flexible and accurate as the backhoe. It is especially suitable for excavation of large and deep foundation pit or underwater excavation.
4.抓铲挖土机
4. Grab shovel excavator
抓铲挖土机也叫抓斗挖土机。其挖土特点是:“直上直下,自重切土”。宜用于开挖停机面以下的Ⅰ、Ⅱ类土,在软土地区常用于开挖基坑、沉井等。尤其适用于挖深而窄的基坑,疏通旧有渠道以及挖取水中淤泥等,或用于装载碎石、矿渣等松散料等。开挖方式有沟侧开挖和定位开挖两种。如将抓斗做成栅条状,还可用于储木场装载矿石块、木片、木材等。
Grab shovel excavator is also called grab excavator. Its excavation features are: "straight up and down, cutting soil with self weight". It is suitable for excavation of class I and II soil below the stop surface, and is often used for excavation of foundation pit and open caisson in soft soil area. It is especially suitable for digging deep and narrow foundation pits, dredging old channels and dredging silt in water, or loading loose materials such as gravel and slag. There are two excavation methods: ditch side excavation and positioning excavation. If the grab is made into grid bar shape, it can also be used to load ore block, wood chip and wood in log yard.
全液压全回转挖掘机
Full hydraulic rotary excavator
现今的挖掘机占绝大部分的是全液压全回转挖掘机。液压挖掘机主要由发动机、液压系统、工作装置、行走装置和电气控制等部分组成。液压系统由液压泵、控制阀、液压缸、液压马达、管路、油箱等组成。电气控制系统包括监控盘、发动机控制系统、泵控制系统、各类传感器、电磁阀等。
Today's excavators account for the vast majority of all hydraulic and rotary excavators. Hydraulic excavator is mainly composed of engine, hydraulic system, working device, walking device and electrical control. The hydraulic system is composed of hydraulic pump, control valve, hydraulic cylinder, hydraulic motor, pipeline and oil tank. The electrical control system includes monitoring panel, engine control system, pump control system, various sensors, solenoid valves, etc.
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