Subsoiling machine drill structure
A technology of loose cultivators and drill bits, which is applied in the fields of tillage machines, agricultural machinery and tools, etc. It can solve problems such as complicated procedures, low efficiency, and serious hardening, and achieve the effect of high linear speed of the drill bit
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[0022] see figure 1 or image 3 , a tiller drill bit structure 100 includes a connecting flange 10 , a drill rod 20 , a drill bit body 30 , at least one helical blade and a plurality of drill bits 70 . The tiller drill bit structure 100 is used to perform powder ridges on land planted with various crops, such as rice, corn, sugar cane, soybeans, etc. In the first embodiment of the present invention, the tiller bit structure 100 includes a helical blade 40 . In the second embodiment of the present invention, the tiller bit structure 100 includes a left helical blade 50 and a right helical blade 60 .
[0023] The connecting flange 10 defines a plurality of screw holes 11 and extends downwards with a neck 13 for connecting the drill rod 20 . In the embodiment of the present invention, the outer diameter of the neck portion 13 is smaller than the outer diameter of the connecting flange 10 . The connecting flange 10 is locked into the screw hole 11 and the output shaft (not sho...
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