Patent ID: 11970835
Assignee: JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 3:
4. The grader according to claim 1, further comprising a traction frame and a rotary ring, wherein the traction frame is connected below the front frame through a ball hinge, and the rotary ring is arranged below the traction frame, and the blade is connected below the rotary ring, and the actuator comprising:
a left linear drive member, wherein a first end of the left linear drive member is rotatably connected to the front frame, and a second end of the left linear drive member is rotatably connected to a left end of the traction frame and configured to drive the left end of the traction frame to move up and down;
a right linear drive member, wherein a first end of the right linear drive member is rotatably connected to the front frame, and a second end of the right linear drive member is rotatably connected to a right end of the traction frame and configured to drive the right end of the traction frame to move up and down;
a diagonal linear drive member configured to drive the traction frame to tilt and swing relative to the front frame; and
a rotation drive member configured to drive rotation of the rotary ring.