Patent ID: 11892101
Assignee: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 2:
3. The anti-frost heaving support for the crude oil pipeline crossing the permafrost region of claim 2, wherein a balancing device is disposed on the support frame, the balancing device includes a fixing frame, the fixing frame is transversely installed through the support frame, a circular block is disposed at an inner middle position of the fixing frame, two sides of the circular block are connected with wavy flicking plates, and a swinging plate is disposed on each of the two sides of the circular block, the swinging plate is rotationally installed on an inner wall of the fixing frame, a pushing plate is fixedly installed on a top of the swinging plate, the pushing plate is located at a bottom of the flicking plate, and a control switch is disposed at a bottom of the swinging plate; and an electric actuator is fixedly installed on an outer wall on each of two sides of the fixing frame, the control switch is electrically connected to the electric actuator, the control switch is a press-type switch, and the electric actuator is turned on when a control end of the control switch is pressed by the swinging plate.