Non - excavation restoration is collapsed pipeline and is used foldable steel loop
The utility model discloses a non - excavation restoration is collapsed pipeline and is used foldable steel loop, include along circumferencial direction head and the tail articulated top arc steel sheet each other in proper order, left side upper portion arc steel sheet, left side lower part arc st...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a non - excavation restoration is collapsed pipeline and is used foldable steel loop, include along circumferencial direction head and the tail articulated top arc steel sheet each other in proper order, left side upper portion arc steel sheet, left side lower part arc steel sheet, bottom arc steel sheet, right side lower part arc steel sheet and right side upper portion arc steel sheet, the adjacent end portion of left side upper portion arc steel sheet and left side lower part arc steel sheet extends formation respectively perpendicularly and connects the end plate, the adjacent end portion of right side lower part arc steel sheet and right side upper portion arc steel sheet extends perpendicularly respectively and forms the connection end plate, foldable steel loop uses steel -cable drawing to get into pipeline deformation department of caving in with fold condition, through jack stand top arc steel sheet, make foldable steel loop expand to ring form steel loop, and then carry o |
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