Obstacle avoidance type rotary blade overload protection device
A technology of overload protection and rotary tiller, which is applied in the field of agricultural machinery, can solve the problems of time-consuming, costly and laborious replacement, and achieve the effect of simple structure and easy processing and manufacturing
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[0038] The present invention will be further described below in conjunction with embodiments.
[0039] Such as figure 1 As shown, the obstacle avoidance type rotary tiller overload protection device includes a rotary tiller shaft 1 and an overload protection unit 2, and multiple groups of overload protection units 2 are fixed on the outer surface of the rotary tiller shaft 1 at equal intervals in the axial direction. Ground, the overload protection monomers 2 are 4-14 groups.
[0040] Such as Figure 2-Figure 5 As shown, the overload protection unit 2 includes a left disc cutter seat 309, a right disc cutter seat 301, and 2 to 4 groups of rotary tiller protection units 3.
[0041] Wherein, the left disc cutter seat 309 and the right disc cutter seat 301 are connected to each other by a second bolt 308, and are coaxially and symmetrically fixed on the rotary cutter shaft 1. Two to four groups of rotary tiller protection units 3 are equally angularly distributed on the left disc cutt...
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