Patent ID: 11891892
Assignee: CHENGDU XINHAO FOUNDATION ENGINEERING CO., LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The square pile drill bit of claim 1, wherein the power driving device is connected with the power transmission mechanism, the power transmission mechanism comprises a first driving sprocket, a second driving sprocket, power input sprockets, the first chains, reversing transmission boxes, the first and second transmission shafts, the first sprockets, the second sprockets and second chains, the square pile drill bit further comprises a power transmission shaft connected with the first driving sprocket and corresponding ones of the second driving sprockets, the first driving sprockets are above the second driving sprockets, the box body has an inner cavity with left and right sides connected with the reversing transmission boxes, each of the reversing transmission boxes has an input shaft connected with the power input sprocket, the first chains are between (i) a first one of the power input sprockets and the first driving sprocket and (ii) a second one of the power input sprockets and the second driving sprocket, each of the reversing transmission boxes includes an output shaft, and the output shaft is connected with a corresponding one of the first and second transmission shafts via a shaft coupler.