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

Claim 0:
1. An anti-frost heaving support for a crude oil pipeline crossing a permafrost region, comprising a support frame, wherein an arc-shaped frame is installed on a top of the support frame, two sets of adjusting devices are disposed on the arc-shaped frame, each set of the adjusting devices includes a pushing device, the pushing device is fixedly installed on the arc-shaped frame, a sealing frame is installed on an output end of the pushing device, a piston plate is slidably installed on an inner wall of the sealing frame, a support rod is fixedly installed on an outer surface of the piston plate, a stressed plate is installed on a top of the support rod through an elastic plate, a moving rod is slidably installed in an interior of the support rod, a tilting plate is slidably installed on an inner surface of the piston plate, the sealing frame is provided with an exhaust port, and a sealing plate is rotationally installed at the exhaust port; and an air pump is fixedly installed on the arc-shaped frame, and the air pump is connected to an interior of the sealing frame through a connecting pipe.