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

Claim 5:
6. A square pile drill bit, comprising:
a box body,
first and second transmission shafts,
first sprockets and second sprockets,
first chains, and
a power transmission shaft, wherein:
the box body includes a power driving device, a power transmission mechanism and an actuator,
the power driving device is connected with the power transmission mechanism,
the power transmission mechanism is connected with the actuator,
the box body has a lower part with left and right sides,
the actuator comprises first actuating components and second actuating components,
the first actuating components are at the left and right sides of the lower part of the box body,
each of the first actuating components is in transmission connection with a corresponding one of the first and second transmission shafts through a corresponding one of the first sprockets, a corresponding one of the second sprockets and a corresponding one of the first chains,
the second actuating components are at ends of the first and second transmission shafts external to the box body,
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 power transmission shaft is 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 box,
the reversing transmission box 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,
the reversing transmission box 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.