No-missing chain-driven rotary cultivator with functions of soil casting, stubble cleaning and subsoiling

[0023] Embodiment 1, with reference to Figure 1-3 , a subsoiling rotary tiller without missing tillage and chain transmission, which includes a chain transmission box assembly, and the chain transmission box assembly is arranged in the way of intermediate transmission;

[0024] The chain transmission box assembly includes a transmission box body 1, a power input shaft 2 and a transmission sprocket shaft 3 are arranged inside the upper end of the transmission box body 1, and a meshed power input gear 4 is arranged on the power input shaft 2 and the transmission sprocket shaft 3, The transmission sprocket shaft 3 is also provided with a power input sprocket 5; the lower end of the transmission case 1 is provided with a power output shaft 20, and the power output shaft 20 is arranged on the transmission case 1 through a bearing and a bearing oil seal seat 12, and the power output The shaft 20 is provided with a power output sprocket 18; the power input sprocket 5 and the power outp

[0026] Embodiment 2, in the subsoiling rotary cultivator described in Embodiment 1 without missing tillage chain transmission, throwing soil and stubble removal: the bearing connected to the support arm 9 and the bearing oil seal seat 12 are provided with a lubricating oil chamber 11, and a lubricating oil chamber 11 is provided in the bearing and the bearing An oil filling port 10 communicating with the lubricating oil chamber 11 is also provided on the oil seal seat 12 .

[0027] Embodiment 3, with reference to figure 2 , In the subsoiling rotary tiller without missing tillage chain transmission described in embodiment 1 or 2 or 3: a fence-type cover plate 21 is provided above the subsoiling cutter head shaft assembly 13 .