CN2299886Y - Core oiled adhesiveless prestressed steel strand - Google Patents
Core oiled adhesiveless prestressed steel strand Download PDFInfo
- Publication number
- CN2299886Y CN2299886Y CN 97226298 CN97226298U CN2299886Y CN 2299886 Y CN2299886 Y CN 2299886Y CN 97226298 CN97226298 CN 97226298 CN 97226298 U CN97226298 U CN 97226298U CN 2299886 Y CN2299886 Y CN 2299886Y
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- CN
- China
- Prior art keywords
- steel wire
- core
- steel strand
- wire
- layer steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a core oiled non-cohesive prestressed steel strand which comprises a plastic sheath at the outmost periphery, an outer layer steel wire and a core layer steel wire, wherein a grease layer is arranged between the plastic sheath and the outer layer steel wire, and the grease layer is filled between the core layer steel wire and the outer layer steel wire. Because the grease layer is arranged between the core layer steel wire and the outer layer steel wire, the anticorrosion property of the utility model is improved, the service life of the utility model is extended, and thus the engineering quality is enhanced.
Description
The utility model relates to a kind of un-bonded prestressed steel strand of in-core oiling.
Un-bonded prestressed steel strand is one of important materials of prestressed structure, its corrosion resistance directly influences construction quality, existing un-bonded prestressed steel strand all is coated with unbonded prestressing tendon special anti-corrosion lubricating grease at the prestress wire outer surface, use extrusion way plastic-coated layer of polyethylene sheath outside it again, directly oiling of the core wire of the un-bonded prestressed steel strand of Zhi Zuoing in this way, its antiseptic property is very unreliable, therefore, be necessary to provide a kind of un-bonded prestressed steel strand of in-core oiling.
The purpose of this utility model provides a kind of un-bonded prestressed steel strand of in-core oiling, oiling in this strand core, and antiseptic property is good, long service life.
For achieving the above object, the utility model is taked following design: the un-bonded prestressed steel strand of this in-core oiling comprises the plastic sheath of outermost, cover wire, the sandwich layer steel wire, between sheath and cover wire, be oil layer, it is characterized in that the oil layer for being full of between described sandwich layer steel wire and the cover wire.
The utility model is described in further detail below in conjunction with accompanying drawing
Fig. 1 is a cross-sectional view of the present utility model
Fig. 2 is used for the spreader schematic diagram of un-bonded prestressed steel strand in-core oiling
Among Fig. 1,1 is the plastic sheath of outermost, can adopt vinyon, 3 is the steel strand wires cover wire, and oil layer 2 is arranged between sheath and cover wire, and grease adopts unbonded prestressing tendon special anti-corrosion lubricating grease, 4 is the sandwich layer steel wire, oil layer 2 is arranged between sandwich layer steel wire and cover wire, and when steel strand wires were seven steel wires, sandwich layer was a steel wire.
7 is sleeve I among Fig. 2, its termination one imports end cap 6, the center that imports end cap has the through hole that supplies steel strand, another termination one bearing block 8 of sleeve I, and bearing inner ring is adorned a stretcher 9, another termination sleeve of bearing block II 10, cover is adorned an outlet end cap 11 to the other end of II, and the outlet end cap center has bellmouth, connects a dummy pipe 12 on the end cap, C, D are tank filler sleeve.
Steel strand wires, enter in the sleeve II after stretcher launches and cover with paint, lacquer, colour wash, etc. grease to stretching into from A, and steel wire is through outlet end cap, and each steel wire plying is full of grease around the steel wire, and steel strand wires are sent (B to) from dummy pipe.
The utility model advantage, these steel strand wires have the oil layer between outer steel wire and sheath, and sandwich layer is with outer Be the oil layer that is full of between the steel wire of layer, improved the antiseptic property of steel strand wires, prolong steel strand wires service life.
Claims (1)
1, a kind of un-bonded prestressed steel strand of in-core oiling, it comprises the plastic sheath of outermost, cover wire, sandwich layer steel wire, between sheath and cover wire, be oil layer, it is characterized in that the oil layer for being full of between described sandwich layer steel wire and the cover wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97226298 CN2299886Y (en) | 1997-08-29 | 1997-08-29 | Core oiled adhesiveless prestressed steel strand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97226298 CN2299886Y (en) | 1997-08-29 | 1997-08-29 | Core oiled adhesiveless prestressed steel strand |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2299886Y true CN2299886Y (en) | 1998-12-09 |
Family
ID=33940073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97226298 Expired - Fee Related CN2299886Y (en) | 1997-08-29 | 1997-08-29 | Core oiled adhesiveless prestressed steel strand |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2299886Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101215792B (en) * | 2008-01-18 | 2011-06-22 | 江苏法尔胜股份有限公司 | Wire rope with stainless steel carbon steel composite structure |
CN103088682A (en) * | 2011-10-28 | 2013-05-08 | 常州瑞通新型线材有限公司 | Plastic-covered steel wire |
CN106170592A (en) * | 2014-06-30 | 2016-11-30 | 横滨橡胶株式会社 | Steel cord and conveyer belt |
CN115679727A (en) * | 2022-12-30 | 2023-02-03 | 天津市新天钢中兴盛达有限公司 | Unbonded prestressed steel strand for low-grease thick-sheath wind tower and production method thereof |
-
1997
- 1997-08-29 CN CN 97226298 patent/CN2299886Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101215792B (en) * | 2008-01-18 | 2011-06-22 | 江苏法尔胜股份有限公司 | Wire rope with stainless steel carbon steel composite structure |
CN103088682A (en) * | 2011-10-28 | 2013-05-08 | 常州瑞通新型线材有限公司 | Plastic-covered steel wire |
CN106170592A (en) * | 2014-06-30 | 2016-11-30 | 横滨橡胶株式会社 | Steel cord and conveyer belt |
CN106170592B (en) * | 2014-06-30 | 2018-04-13 | 横滨橡胶株式会社 | Steel cord and conveyer belt |
CN115679727A (en) * | 2022-12-30 | 2023-02-03 | 天津市新天钢中兴盛达有限公司 | Unbonded prestressed steel strand for low-grease thick-sheath wind tower and production method thereof |
CN115679727B (en) * | 2022-12-30 | 2023-04-04 | 天津市新天钢中兴盛达有限公司 | Unbonded prestressed steel strand for low-grease thick-sheath wind tower and production method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |