A membrane anchor mechanism which fixes a membrane provided on an inner wall surface side of a concrete wall via a heating insulating material to the concrete wall, includes a rod-shaped leg portion which is erected on the concrete wall, an anchor which is supported by the leg portion in a state of
A membrane anchor mechanism which fixes a membrane provided on an inner wall surface side of a concrete wall via a heating insulating material to the concrete wall, includes a rod-shaped leg portion which is erected on the concrete wall, an anchor which is supported by the leg portion in a state of being separated from the concrete wall and is inserted into a through-hole passing through the heat insulating material and the membrane, and a pressing part which is fixed to the anchor through the through-hole and presses the membrane.
대표청구항▼
1. A membrane anchor mechanism which fixes a membrane provided on an inner wall surface side of a concrete wall via a heating insulating material to the concrete wall in a cryogenic tank, comprising: a rod-shaped leg portion which is erected on the concrete wall;an anchor which is supported by the l
1. A membrane anchor mechanism which fixes a membrane provided on an inner wall surface side of a concrete wall via a heating insulating material to the concrete wall in a cryogenic tank, comprising: a rod-shaped leg portion which is erected on the concrete wall;an anchor which is supported by the leg portion, wherein the anchor is supported by the leg portion at a position such that the anchor is separated from the concrete wall, and wherein the anchor is inserted into a through-hole passing through the heat insulating material and the membrane, and wherein the anchor includes a tip which extends outside of the through-hole such that the tip is exposed to an inside of the cryogenic tank; anda pressing part which is fixed to the tip of the anchor at a position of the tip exposed to inside of the cryogenic tank, and wherein the pressing part presses the membrane. 2. The membrane anchor mechanism according to claim 1, wherein the membrane includes a corner membrane panel which is a curved membrane panel disposed at a corner portion of the cryogenic tank, andwherein a plurality of rod-shaped leg portions are provided, and the concrete wall includes a plurality of inner wall surfaces forming the corner portion, and wherein each rod-shaped leg portion is connected to an inner wall surface of the plurality of inner wall surfaces of the concrete wall forming the corner portion, and the pressing part presses the corner membrane panel. 3. The membrane anchor mechanism according to claim 1, wherein the pressing part is disposed to press a center position of a thermally deformable part of a membrane panel forming the membrane. 4. The membrane anchor mechanism according to claim 2, wherein the pressing part is disposed to press a center position of a thermally deformable part of a membrane panel forming the membrane. 5. The membrane anchor mechanism according to claim 1, further comprising: a base portion to which the leg portion is connected; anda joint which is provided on the base portion and wherein the joint rotatably supports the anchor. 6. The membrane anchor mechanism according to claim 2, further comprising: a base portion to which the leg portion is connected; anda joint which is provided on the base portion, and wherein the joint rotatably supports the anchor. 7. The membrane anchor mechanism according to claim 3, further comprising: a base portion to which the leg portion is connected; anda joint which is provided on the base portion, and wherein the joint rotatably supports the anchor. 8. The membrane anchor mechanism according to claim 4, further comprising: a base portion to which the leg portion is connected; anda joint which is provided on the base portion, and wherein the joint rotatably supports the anchor. 9. The membrane anchor mechanism according to claim 1, wherein the leg portion includes two ends, and stud bolts are provided on the two ends, and wherein nuts are screwed onto each of the stud bolts. 10. The membrane anchor according to claim 1, wherein the pressing part presses the membrane in a direction from the interior of the cryogenic tank toward the concrete wall. 11. The membrane anchor according to claim 1, further comprising a base portion, wherein the leg portion is connected to the base portion, and the anchor is connected to the base portion, such that the anchor is connected to the leg portion by way of the base portion. 12. The membrane according to claim 11, wherein a plurality of leg portions are provided, with the plurality of leg portions connected to the base portion, and wherein each leg portion is connected to a different inner wall surface of a plurality of inner wall surfaces of the concrete wall, such that said anchor is connected by way of the base portion to the plurality of leg portions connected to different inner wall surfaces of the concrete wall. 13. The membrane according to claim 12, further including a joint which rotatably couples the anchor to the base portion, wherein the joint is configured so that the anchor is rotatable about an axis, with said axis orthogonal to a direction in which the anchor extends. 14. The membrane according to claim 11, further including a joint which rotatably couples the anchor to the base portion, wherein the joint is configured so that the anchor is rotatable about an axis, with said axis orthogonal to a direction in which the anchor extends.
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