Tips1 Project Scale
Crawler hydraulic excavator can be selected in the case of large working conditions and mobility engineering and poor working conditions.
Among them, the ground carrying capacity is strong, uneven, multi-pothole or hard large ore conditions, should choose narrow track and heavy hydraulic excavator.
On the contrary, if the ground carrying capacity is weak and the soil is loose, the broadband extender excavator should be selected.
Tips2 Engineering Equipment
When purchasing an excavator, it is necessary to consider the match with its own existing equipment, including the match between the working efficiency of the excavator and the working efficiency of the existing equipment.
In construction practice, there is an empirical formula accepted by more construction managers, that is, the best cooperation between hydraulic excavators and dump trucks should be filled with 5-7 buckets per dig. Its calculation formula is as follows:
q = Q / (5-7) r
q: excavator bucket capacity (m3); Q: Load capacity of dump truck (Ton); r: Bulk weight of excavating material (t/m3)
Tips3 Operating Conditions & Construction Mobility
The walking part of the excavator is generally divided into three categories according to the walking mode: crawler type, tire type and float type.
Crawler excavators are widely used in poor working conditions, and the use of tyre and float excavators is relatively small.
The working device part of the excavator includes the boom, bucket rod, bucket and related oil cylinder and hydraulic pipeline.
Tip4 Choose Models & Brands Carefully
The performance and reliability and durability of the machine itself. Comfort and safety factors of driver's workbench. Manufacturer's reputation and after-sales service perfection.
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