The main category of excavators.


1. Backhoe excavator

The backhoe is the most common one we've seen, back down, forced cuts. It can be used for the excavation below the stoppage work surface. The basic operation modes are: ditch end excavation, ditch side excavation, straight line excavation, curve excavation, maintaining a certain Angle excavation, ultra-deep ditch excavation and ditch slope excavation.

2. Shovel excavator

Shovel excavator shovel action form. It is characterized by "forward upward, forced soil cutting". Positive shovel excavation force is large, can excavate the soil above the stop surface, suitable for excavating the height of more than 2m dry foundation pit, but must be set up up and down ramps. The scoop of the shovel is larger than that of the excavator with the same equivalent backhoe, which can excavate a to three types of soil with a water content of no more than 27%, and complete the entire excavation and transportation operation with the dump truck, and can also excavate large dry foundation pits and mounds. According to the different excavation route and the relative position of the transport vehicle, there are two ways of excavation and unloading: forward excavation and lateral unloading; Excavation in the forward direction and unloading in the reverse direction.

3. Pull shovel excavator

Pull shovel excavator is also called wire shovel excavator. The characteristics of its excavation are: "backward and downward, self-weight cutting soil". It is suitable to excavate Class I and II soil below the stop surface. When working, the use of inertia force to throw out the bucket, dig relatively far, digging radius and digging depth is larger, but not as flexible and accurate as the backhoe. Especially suitable for excavation of large and deep foundation pits or underwater excavation.

4. Grab a shovel and shovel

A grab shovel is also called a grab shovel. The characteristics of its excavation are: "straight up and straight down, self-weight cutting soil". It is suitable for excavating class I and II soil below the stop surface, and is often used for excavation of foundation pit and caisson in soft soil areas. Especially suitable for digging deep and narrow foundation pits, dredging old channels and digging silt in water, etc., or for loading gravel, slag and other loose materials. There are two excavation methods: trench side excavation and positioning excavation. If the grab is made into a grid strip, it can also be used for loading ore blocks, wood chips, wood, etc., in the wood storage yard.

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