A method and device for preventing pipe body thawing in permafrost regions by using a flexible limit belt device
A technology of limit bands and permafrost areas, applied in pipeline laying and maintenance, pipeline supports, pipes/pipe joints/fittings, etc., can solve problems such as loss of bearing capacity, high operation and maintenance costs, and inability to use, so as to ensure safety The effect of operation, good economy and simple construction
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[0020] EXAMPLE This example is used to illustrate the specific implementation of the present invention and further illustrate the present invention. In this example, a fixed plate 2 is buried symmetrically on both sides of the buried pipeline 1, and four flexible bands 4 are fixed by screws 3 between two opposite fixed plates 2. The top of the first fixed plate 2 is connected to the second fixed plate 2 Two flexible belts 4 are obliquely pulled between them, and two flexible belts 4 are obliquely pulled between the upper part of the second fixed plate 2 and the first fixed plate (2), and the buried pipeline 1 is placed in the intersection of the four flexible belts 4. In the diamond grid; at the intersection of the rhombus grid on both sides of the buried pipeline 1, it is connected and fixed by the bolt 6 and the connecting plate 5; the flexible belt 4 is a high-strength flexible wear-resistant belt. The surface forms a diamond-shaped limiting area. A diamond-shaped limiting...
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