CN203755355U - Anti-corrosion structure of prestressed component - Google Patents
Anti-corrosion structure of prestressed component Download PDFInfo
- Publication number
- CN203755355U CN203755355U CN201420151988.7U CN201420151988U CN203755355U CN 203755355 U CN203755355 U CN 203755355U CN 201420151988 U CN201420151988 U CN 201420151988U CN 203755355 U CN203755355 U CN 203755355U
- Authority
- CN
- China
- Prior art keywords
- anticorrosion
- prestressed member
- sheath
- sleeve part
- sealing
- 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 - Lifetime
Links
- 238000005260 corrosion Methods 0.000 title abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 239000004519 grease Substances 0.000 claims abstract description 48
- 238000010276 construction Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 8
- 239000011440 grout Substances 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract 4
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 230000002421 anti-septic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model relates to an anti-corrosion structure of a prestressed component. The anti-corrosion structure comprises a prestressed component, wherein an anti-corrosion grease layer covers the outer flank of the prestressed component, a protective sleeve sleeves the outer flank of the anti-corrosion grease layer, sealing elements are arranged at the two ends of the protective sleeve, and the anti-corrosion grease layer is sealed by the sealing elements. According to the anti-corrosion structure of the prestressed component, the anti-corrosion grease layer is sealed by the sealing elements at the two ends of the protective sleeve, therefore, on the one hand, the rainwater or concrete grout can be prevented from entering the inner part of the protective sleeve, and the anti-corrosion grease can be separated from contacting with the ambient environment; on the other hand, the suck-back on the anti-corrosion grease caused by the concrete can be prevented, and the loss of the anti-corrosion grease can be stopped, thereby prolonging the service life of the anti-corrosion grease and improving the anti-corrosion reliability.
Description
Technical field
The utility model relates to a kind of anticorrosion structure, relates in particular to a kind of anticorrosion structure of prestressed member.
Background technology
The prestressed members such as the crab-bolt that current wind driven generator base adopts or high-strength bolt, are prestressing without bondn member.Be generally at its external surface plating Da Keluo, to carry out anticorrosionly, when concrete use, generally can put the sheaths such as pvc pipe in crab-bolt and high-strength bolt external surface, thus between the crab-bolt of making and high-strength bolt and concrete in without bond state.After stretch-draw is complete, at the top of pvc pipe, do waterproofing work again, prevent water inlet in pvc pipe, and generally, pvc pipe top water-proof treatment technology is complicated and have a defect, rainwater can enter pvc pipe, because Dacroment is met water and is just lost its antiseptic power, therefore, basis that this kind of scheme made at present, prestressed member seriously corroded, serious threat the safety of wind-powered electricity generation unit.This prior art has been proposed to fill to the technical scheme of anticorrosion grease between pvc pipe and prestressed member, so that prestressed member is carried out to anti-corrosion protection.But in realizing the process of this technical scheme, inventor finds that this scheme also exists following shortcoming:
1,, before concrete intensity is got up,, before concreting after-hardening, concrete grout and anticorrosion grease can react, thereby grease are reduced or lose antiseptic effect.
2,, because concrete has certain oil suction effect, after concrete strength gets up, grease can penetrate in concrete micro-crack, causes the loss of grease, so also can cut down the antiseptic effect of this anticorrosion structure.
Utility model content
The utility model object is to provide a kind of anticorrosion time that can extend anticorrosion grease, improves the anticorrosion structure of the prestressed member of anticorrosion reliability.
In order to realize above-mentioned object, the utility model provides a kind of anticorrosion structure of prestressed member, it comprises prestressed member, the lateral surface of described prestressed member is coated with anticorrosion oil layer, the outside cover of described anticorrosion oil layer has sheath, two ends at described sheath are provided with potted component, the described anticorrosion oil layer of sealing element sealing.
The anticorrosion structure of the utility model prestressed member, wherein said potted component can be sealing nut, being threaded on described prestressed member of described sealing nut.
The anticorrosion structure of the utility model prestressed member, wherein said sealing nut can comprise threaded joints and sleeve part, the internal diameter of described sleeve part is greater than the internal diameter of described threaded joints, being threaded on described prestressed member of described threaded joints, described sleeve part is enclosed within on described sheath, between described sleeve part and described sheath, forms hermetically-sealed construction.
The anticorrosion structure of the utility model prestressed member, the inwall of wherein said sleeve part can fit tightly with the outer wall of described sheath.
The anticorrosion structure of the utility model prestressed member wherein can be provided with the first sealing ring between the end face of described sheath and the end face of described threaded joints.
The anticorrosion structure of the utility model prestressed member wherein can be provided with at least one second sealing ring between the inwall of described sleeve part and the outer wall of described sheath.
The anticorrosion structure of the utility model prestressed member wherein can be provided with annular groove on the inwall of described sleeve part, and described the second sealing ring is arranged in described annular groove.
The anticorrosion structure of the utility model prestressed member, wherein said anticorrosion oil layer can be for swathing the anticorrosion grease band on described prestressed member.
The anticorrosion structure of the utility model prestressed member, wherein said anticorrosion oil layer can be for being filled in the anticorrosion grease between described prestressed member and described sheath.
The anticorrosion structure of the utility model prestressed member wherein can be provided with oil resistant fluid sealant between described potted component and described sheath.
The main useful technique effect of the technique scheme that the utility model provides is that the anticorrosion structure of the utility model prestressed member is at the potted component sealing corrosion oil layer for two ends of sheath, one side can stop rainwater or concrete grout enters sheath inside, isolating anticorrosion grease contacts with surrounding environment, also can prevent on the other hand the suck-back of concrete to anticorrosion grease, stop the loss of anticorrosion grease, thereby extend the application life of anticorrosion grease, improve corrosion-resistant reliability.
In addition, in the anticorrosion structure of the utility model prestressed member, when the sealing nut adopting comprises threaded joints and sleeve part, the end of sheath is positioned at sleeve part, sleeve part can cover the outer wall of sheath, sleeve part can form larger shutoff face to the coated of the end of sheath, prevents that better seal grease layer from contacting with concrete; While adopting the inwall of sleeve part and the outer wall of sheath to fit tightly, this sealing means is structurally comparatively simple, does not need extra auxiliary seal parts; While the first sealing ring being set between the employing end face of sheath and the end face of threaded joints, when assembling, can easily and directly the first sealing ring be assemblied between the end face and threaded joints of sheath, and after sealing nut screws, the first sealing ring can tight closure sheath under the extruding of threaded joints end, thereby strengthen the sealing effectiveness to sheath; When employing arranges at least one second sealing ring between the inwall of sleeve part and the outer wall of sheath, thereby the inwall that the second sealing ring can shutoff sleeve part and the minim gap enhanced leaktightness effect between the outer wall of sheath end, and, between the inwall of sleeve part and sheath outer wall, the second sealing ring is set, can allow sealing nut on prestressed member, to carry out the movement of certain limit, keep higher sealing effectiveness simultaneously; Employing is established annular groove on the inwall of sleeve part, when the second sealing ring is arranged in annular groove, the wall of annular groove can stop the movement of the second sealing ring, thereby can fix better the second sealing ring, when sealing nut is regulated, make the second sealing ring be difficult for sliding or coming off; When the anticorrosion oil layer adopting is the anticorrosion grease band swathing on prestressed member, anticorrosion grease band has certain suction-operated to anticorrosion grease, by swathing anticorrosion grease, bring the manufacturing process of the anticorrosion oil layer of formation less in operation easier than the technique of smearing anticorrosion grease, be easier to process and assemble, compare the technique of smearing anticorrosion grease, more anticorrosion grease is fixed on prestressed member, and is not easy to flow out to outside sheath; When employing is established oil resistant fluid sealant between potted component and sheath, oil resistant fluid sealant is bonded between potted component and the two ends of sheath, can shutoff potted component and sheath between minim gap, further enhanced leaktightness effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of anticorrosion structure of the prestressed member of the utility model embodiment mono-;
Fig. 2 is the partial enlarged drawing of anticorrosion structure of the prestressed member of embodiment mono-;
Fig. 3 is the partial enlarged drawing of anticorrosion structure of the prestressed member of embodiment bis-;
Fig. 4 is the partial enlarged drawing of anticorrosion structure of the prestressed member of embodiment tri-.
Drawing reference numeral explanation:
1-prestressed member; The anticorrosion oil layer of 2-; 3-sheath; 4-sealing nut; 41-threaded joints; 42-sleeve part; 5-clamp nut; 6-the first sealing ring; 7-the second sealing ring.
The specific embodiment
Below in conjunction with accompanying drawing, the anticorrosion structure of the utility model prestressed member is described in detail.
Embodiment mono-
As shown in Figure 1, it is the structural representation of anticorrosion structure of the prestressed member of the utility model embodiment mono-, the anticorrosion structure of the prestressed member of the present embodiment comprises prestressed member 1, the lateral surface of prestressed member 1 is coated with anticorrosion oil layer 2, the outside cover of anticorrosion oil layer 2 has sheath 3, two ends at sheath 3 are provided with potted component, sealing element sealing corrosion oil layer 2.
The present embodiment is at the potted component sealing corrosion oil layer 2 for two ends of sheath 3, one side can stop rainwater or concrete grout enters sheath 3 inside, isolating anticorrosion grease contacts with surrounding environment, also can prevent on the other hand the suck-back of concrete to anticorrosion grease, stop the loss of anticorrosion grease, thereby extend the application life of anticorrosion grease, improve corrosion-resistant reliability.
Particularly, can directly adopt anticorrosion grease as anticorrosion oil layer 2, be about to anticorrosion grease and be filled in and between prestressed member 1 and sheath 3, form anticorrosion oil layer 2.Anticorrosion grease can adopt the various greases with anti-corrosion function, as butter or added the compound lard of anticorrisive agent or rust protection agent.
In addition, can also adopt anticorrosion grease band as anticorrosion oil layer 2, be about to anticorrosion grease band and swathe and on prestressed member 1, form anticorrosion oil layer 2.Anticorrosion grease band can be adhesive tape or the strap that soaked anticorrosion grease, thereby swathed, forms anticorrosion oil layer 2 on prestressed member 1.Anticorrosion grease band has certain suction-operated to anticorrosion grease, by swathing anticorrosion grease, bring the manufacturing process of the anticorrosion oil layer of formation less in operation easier than the technique of smearing anticorrosion grease, be easier to process and assemble, compare the technique of smearing anticorrosion grease, more anticorrosion grease is fixed on prestressed member 1, and is not easy to flow out to outside sheath 3.
Preferably, between potted component and the two ends of sheath 3, can also be provided with oil resistant fluid sealant.Before assembling, oil resistant fluid sealant can be spread upon in the part that potted component contacts with sheath 3, after assembling, oil resistant fluid sealant is bonded between potted component and the two ends of sheath 3, can shutoff potted component and sheath 3 between minim gap, further enhanced leaktightness effect.
Preferably, potted component can adopt sealing nut 4, being threaded on prestressed member 1 of sealing nut 4.As shown in Figure 2, it is the partial enlarged drawing of the a-quadrant in Fig. 1, and this part shows the concrete structure of sealing nut.In the present embodiment, sealing nut 4 can comprise threaded joints 41 and sleeve part 42, the internal diameter of sleeve part 42 is greater than the internal diameter of threaded joints 41, being threaded on prestressed member 1 of threaded joints 41, sleeve part 42 is enclosed within on sheath 3, between sleeve part 42 and sheath 3, forms hermetically-sealed construction.By adopting the structure of the sealing nut shown in Fig. 2, make the end of sheath 3 be positioned at sleeve part 42, sleeve part 42 can cover the outer wall of sheath 3, and the coated of the end of 42 pairs of sheaths 3 of sleeve part can form larger shutoff face, prevents that better seal grease layer from contacting with concrete.
For the concrete sealing means between sleeve part 42 and sheath 3, can adopt the mode of placing sealing ring, also can adopt the mode that the inwall of sleeve part 42 and the outer wall of sheath 3 are fitted tightly, can also adopt the mode etc. of filling oil resistant fluid sealant between the inwall of sleeve part 42 and the outer wall of sheath 3, or adopt the combination of above multiple sealing means.In the present embodiment, what structure illustrated in fig. 2 adopted is that the mode that the inwall of sleeve part 42 and the outer wall of sheath 3 are fitted tightly seals, and this mode is structurally comparatively simple, does not need extra auxiliary seal parts.
In actual applications, as shown in Figure 1, on prestressed member 1, can also be provided with clamp nut 5, clamp nut 5 is positioned at the outside (being the situation of two clamp nuts and two sealing nuts shown in figure) of sealing nut 4, for prestressed member 1 is fixed to object, for example, take crab-bolt as example, can crab-bolt be fixed to by clamp nut 5 to the anchor slab bolt assembly that is configured for setting up assembling basis on anchor slab, and sealing nut 4 can double as leveling nut therein, in the situation that doubling as leveling nut, sealing nut 4 can carry out the movement of certain limit in crab-bolt, and the sleeve part 42 of sealing nut has ensured in the situation that sealing nut has carried out the movement of certain limit, still can the anticorrosion oil layer in sheath 3 be sealed.
Embodiment bis-
The present embodiment and embodiment mono-difference are the sealing means between sleeve part 42 and sheath 3, as shown in Figure 3, it is the partial enlarged drawing of anticorrosion structure of the prestressed member of embodiment bis-, Fig. 3 is the partial enlarged drawing corresponding with Fig. 2, and it shows the sleeve part 42 of the present embodiment and the hermetically-sealed construction between sheath 3.
In the present embodiment, between the end face of sheath 3 and the end face of threaded joints 41, be provided with the first sealing ring 6.Adopt such hermetically-sealed construction, when assembling, can easily and directly the first sealing ring 6 be assemblied between the end face and threaded joints 41 of sheath 3, and after sealing nut screws, the first sealing ring 6 can tight closure sheath 3 under the extruding of threaded joints 41 end, thereby strengthen the sealing effectiveness to sheath.
Embodiment tri-
The difference of the present embodiment and above-mentioned two embodiment is the sealing means between sleeve part 42 and sheath 3.In the present embodiment, between the inwall of sleeve part 42 and sheath 3 outer walls, be provided with at least one second sealing ring 7.The second sealing ring 7 can be set on sheath 3 outer walls, can be embedded on the inwall of sleeve part 42.Sealing means than embodiment bis-, thereby the inwall that the second sealing ring 7 can shutoff sleeve part 42 and the minim gap enhanced leaktightness effect between sheath 3 end outer walls, and, between the inwall of sleeve part 42 and sheath 3 outer walls, the second sealing ring is set, can allow sealing nut on prestressed member, to carry out the movement of certain limit, keep higher sealing effectiveness simultaneously.
Preferably, as shown in Figure 4, on the inwall of sleeve part 42, can be provided with annular groove, the second sealing ring 7 is arranged in this annular groove.The wall of annular groove can stop the movement of the second sealing ring 7, thereby can fix better the second sealing ring 7, when sealing nut is regulated, makes the second sealing ring 7 be difficult for sliding or coming off.In actual applications, the number of the second sealing ring 7 is preferably two.
In each above embodiment, prestressed member 1 can be crab-bolt or high-strength bolt etc.Sealing nut 4 can adopt nylon material, also can adopt metal material etc.Sheath 3 can be pvc pipe, PE pipe or metal tube etc., and material is not limit, so long as can play anticorrosion oil layer and the isolated effect of concrete.
The anticorrosion structure of the prestressed member that the utility model embodiment provides can be before prestressed member dispatches from the factory, just prestressed member is carried out to preservative treatment, form the anticorrosion structure of above-mentioned each embodiment, when construction, can directly prestressed member be embedded in to base concrete inside, without site assembly and sealing, thereby also can accelerate construction progress, and simplify construction technology, improve construction quality.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by the described protection domain with claim.
Claims (10)
1. the anticorrosion structure of a prestressed member, it is characterized in that, comprise prestressed member, the lateral surface of described prestressed member is coated with anticorrosion oil layer, the outside cover of described anticorrosion oil layer has sheath, two ends at described sheath are provided with potted component, the described anticorrosion oil layer of sealing element sealing.
2. the anticorrosion structure of prestressed member according to claim 1, is characterized in that, described potted component is sealing nut, being threaded on described prestressed member of described sealing nut.
3. the anticorrosion structure of prestressed member according to claim 2, it is characterized in that, described sealing nut comprises threaded joints and sleeve part, the internal diameter of described sleeve part is greater than the internal diameter of described threaded joints, being threaded on described prestressed member of described threaded joints, described sleeve part is enclosed within on described sheath, between described sleeve part and described sheath, forms hermetically-sealed construction.
4. the anticorrosion structure of prestressed member according to claim 3, is characterized in that, the inwall of described sleeve part and the outer wall of described sheath fit tightly.
5. the anticorrosion structure of prestressed member according to claim 3, is characterized in that, between the end face of described sheath and the end face of described threaded joints, is provided with the first sealing ring.
6. the anticorrosion structure of prestressed member according to claim 3, is characterized in that, is provided with at least one second sealing ring between the inwall of described sleeve part and the outer wall of described sheath.
7. the anticorrosion structure of prestressed member according to claim 6, is characterized in that, on the inwall of described sleeve part, is provided with annular groove, and described the second sealing ring is arranged in described annular groove.
8. according to the anticorrosion structure of the prestressed member described in the arbitrary claim of claim 1 to 7, it is characterized in that, described anticorrosion oil layer is the anticorrosion grease band swathing on described prestressed member.
9. according to the anticorrosion structure of the prestressed member described in the arbitrary claim of claim 1 to 7, it is characterized in that, described anticorrosion oil layer is the anticorrosion grease being filled between described prestressed member and described sheath.
10. according to the anticorrosion structure of the prestressed member described in the arbitrary claim of claim 1 to 7, it is characterized in that, between described potted component and described sheath, be provided with oil resistant fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151988.7U CN203755355U (en) | 2014-03-31 | 2014-03-31 | Anti-corrosion structure of prestressed component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151988.7U CN203755355U (en) | 2014-03-31 | 2014-03-31 | Anti-corrosion structure of prestressed component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755355U true CN203755355U (en) | 2014-08-06 |
Family
ID=51250650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151988.7U Expired - Lifetime CN203755355U (en) | 2014-03-31 | 2014-03-31 | Anti-corrosion structure of prestressed component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822650A (en) * | 2016-05-12 | 2016-08-03 | 杭州航天电子技术有限公司 | Connector center threaded rod structure |
-
2014
- 2014-03-31 CN CN201420151988.7U patent/CN203755355U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822650A (en) * | 2016-05-12 | 2016-08-03 | 杭州航天电子技术有限公司 | Connector center threaded rod structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |