A tree planting hole digging machine drill bit

Abstract

The present invention provides a tree planting hole digging machine drill bit, comprising: a cutter bar, a soil-feeding spiral knife and a soil-cutting spiral knife; hole; the lower part of the soil-feeding spiral knife is also in an inverted cone shape, and is welded in the inner cone hole of the soil-cutting spiral knife; there is a linear hole in the middle of the soil-feeding spiral knife for accommodating the knife rod , the soil-feeding spiral knife is welded on the knife rod through a welding process.

Description

technical field [0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a tree planting hole digging machine drill bit. Background technique [0002] Tree planting digging machine, also known as planting machine, is a professional tool for drilling holes. The tree planting and digging machine can be used for afforestation and greening, fruit tree cultivation or topdressing in flat plains, hilly areas or places where tractors can pass. It can also be used for digging operations such as buried piles and utility poles in urban and rural areas. High, favored by fruit growers. [0003] Tree planting is often planted on hillsides with more tree roots and stones and other sundries. The cutting blade of the common digging machine drill bit is on the top of the spiral knife, which is a chisel blade with a longer blade. When it hits a stone, the impact is violent and the reaction force is large. The excavator is easy to get stuck, ...

AI Technical Summary

Problems solved by technology

When it hits a stone, the impact is violent and the reaction force is large. The excavator is easy to get stuck, and even jumps up directly, which is quite dangerous.

Images