CN210596972U - High heat conduction inhaul cable sleeve structure - Google Patents
High heat conduction inhaul cable sleeve structure Download PDFInfo
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- CN210596972U CN210596972U CN201921188986.4U CN201921188986U CN210596972U CN 210596972 U CN210596972 U CN 210596972U CN 201921188986 U CN201921188986 U CN 201921188986U CN 210596972 U CN210596972 U CN 210596972U
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Abstract
The utility model belongs to the technical field of bridge construction safety, specifically provide a high heat conduction cable sleeve structure, including suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between one end of suspension cable and the roof beam, be connected through tower end anchor assembly between the other end of suspension cable and the tower, still establish the sleeve pipe outside suspension cable including the cover, cover graphite alkene coating at sleeve pipe surface. Graphite alkene coating has high thermal conductivity, when meetting damp and cold weather, only needs the heating of arbitrary suitable position on this graphite alkene coating alright realize whole sleeve pipe surface, prevents that the sleeve pipe surface from freezing to avoid freezing rainy day cable-stay bridge cable sleeve pipe surface to freeze and melt after the back and fall, guarantee driving on the bridge and pedestrian's safety. In addition, the hydrophobic nature of graphite alkene coating itself can be better prevent rainwater stop on cable-stay bridge cable sleeve pipe surface in advance for self is difficult for freezing and has effectively prolonged the life of bridge suspension cable.
Description
Technical Field
The utility model belongs to the technical field of bridge construction safety, concretely relates to high heat conduction cable sleeve structure.
Background
In recent years, bridge construction in China is rapidly developed, and the stay cable bridge is generally applied to the modern river-crossing (river) bridge with the advantages of attractive shape, convenience in construction and the like, but in middle and lower reaches of Yangtze river, in winter in continuous low-temperature rain and snow weather, in recent years, partial bridge cables are frozen, ice pendants and other phenomena occur successively. In 2015, the Wuhan Tianxing Zhou bridge ice falls; in 2018, in 1 month, the Poyang lake bridge dragline is frozen, in the same year, in 2 months, the Anqing Yangtze river bridge dragline ice layer melts and falls, and a plurality of automobiles are smashed; in this year 1, the bridge of Wuhan, Erqichangjiang and Baishazhou all have the phenomenon of ice falling. Icing of a stay cable sleeve of the cable-stayed bridge causes great hidden danger to traffic safety, even can cause interlinked traffic accidents in serious conditions, and causes great personal and property loss.
Icing of the bridge cable sleeve is a low-probability phenomenon caused by simultaneous occurrence of multiple meteorological factors under special weather conditions, the problem is still treated at the experimental research stage at home and abroad, and no mature engineering technical measures are used for actual engineering.
Disclosure of Invention
The utility model aims at overcoming the problem that cable-stay bridge cable sleeve pipe easily ponding freezes among the prior art.
For this, the utility model provides a high heat conduction cable sleeve structure, including suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between suspension cable's one end and the roof beam, be connected through tower end anchor assembly between suspension cable's the other end and the tower, still establish including the cover the outer sleeve pipe of suspension cable, the sleeve pipe surface covering has the graphite alkene coating.
Preferably, the sleeve is a high-density polyethylene tube, and the graphene coating is attached to the outer surface of the sleeve.
Preferably, the sleeve is a stainless steel tube.
Preferably, the graphene coating covers the inner and/or outer surface of the sleeve.
Preferably, the stay cable is a parallel steel wire stay cable, the parallel steel wire stay cable comprises a plurality of steel wire ropes, the steel wire ropes are tightly attached to each other, and anti-corrosion grease is filled between the steel wire ropes and the sleeve.
Preferably, the stay cable is a steel strand stay cable, the steel strand stay cable comprises a plurality of single PE protection steel strand bundles which are arranged in parallel and have the same diameter, and anticorrosive grease is filled between the steel strands and the sleeve.
Preferably, a heater is arranged in the sleeve, and a heating part of the heater is tightly attached to the surface of the graphene coating.
Preferably, the structure further comprises a temperature sensor and a humidity sensor, and both the temperature sensor and the humidity sensor are fixed on the surface of the graphene coating.
The utility model has the advantages that: the utility model provides a high heat conduction cable sleeve structure, including suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between one end of suspension cable and the roof beam, be connected through tower end anchor assembly between the other end of suspension cable and the tower, still establish the sleeve pipe outside the suspension cable including the cover, cover graphite alkene coating at sleeve pipe surface. Graphite alkene coating has high thermal conductivity, when meetting damp and cold weather, only needs the heating of arbitrary suitable position on this graphite alkene coating alright realize whole sleeve pipe surface, prevents that the sleeve pipe surface from freezing to avoid freezing rainy day cable-stay bridge cable sleeve pipe surface to freeze and melt after the back and fall, guarantee driving on the bridge and pedestrian's safety. In addition, the hydrophobic nature of graphite alkene coating itself can be better prevent rainwater stop on cable-stay bridge cable sleeve pipe surface in advance for self is difficult for freezing and has effectively prolonged the life of bridge suspension cable.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a high thermal conductivity stay cable sleeve structure of the present invention;
fig. 2 is the overall structure schematic diagram of the high heat conduction cable sleeve structure of the present invention.
Description of reference numerals: the high-strength steel wire comprises a high-strength steel wire 1, a sleeve 2, a graphene coating 3, anti-corrosion grease 4, an anchoring connection end 5 and a heater 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model provides a high heat conduction cable sleeve structure, including suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between suspension cable's one end and the roof beam, be connected through tower end anchor assembly between suspension cable's the other end and the tower, still establish including the cover sleeve pipe outside the suspension cable, the sleeve pipe surface covering has the graphite alkene coating.
Therefore, as shown in fig. 1 and 2, the stay cable is generally formed by twisting a plurality of high-strength steel wires 1 into a stay cable, so as to increase the cross-sectional area of the stay cable, improve the tensile strength, and resist bending. One end of the stay cable is connected with the beam through the beam end anchoring part, and the other end of the stay cable is connected with the tower through the tower end anchoring part, such as the anchoring connection end 5 in fig. 2, wherein the anchoring connection end 5 is the prior art and is not described herein again. The main function of the stay cable is to reduce the bending moment in the beam body, reduce the building height, reduce the structure weight and save materials. The surface of the stay cable is coated with a circle of sleeve 2, the sleeve 2 is made of light materials and has good air tightness, and the end parts at the two ends of the sleeve 2 are sealed with the stay cable to prevent air from entering. Then, a graphene coating 3 is covered on the surface of the casing 2, and the outer surface of the casing 2 is generally sprayed or tightly attached with graphene by other processes. Graphene has high strength and high thermal conductivity, when meetting wet and cold weather, utilizes the excellent heat conductivity of graphite alkene, heats graphite alkene alright make whole graphite alkene coating 3 intensifies to prevent that the surface from freezing, play protective case 2 and prevent that the ice-melt from dropping to the bridge on, harm driving and pedestrian's safety.
Preferably, the sleeve 2 is a high-density polyethylene tube, and the graphene coating is attached to the outer surface of the sleeve. Therefore, the high-density polyethylene pipe, namely the HDPE pipe has the characteristics of high air tightness, good water tightness and good ultraviolet resistance, achieves the protection effect and can better protect the stay cable. Then at HDPE outside cladding one deck graphite alkene coating 3, utilize the high heat conductivility of graphite alkene to transmit the heat, when running into humid and cold weather, through heating the optional position of graphite alkene coating 3, alright with heat transfer to whole graphite alkene coating 3, so alright place sleeve pipe 2 surface icing. The graphene coating 3 is a coating formed by spraying and mixing graphene and paint. The existing coating plays a protective role, the purpose of coating can be achieved through a brush or a spray gun, and before the sleeve 2 leaves a factory, the modified graphene mixed with the coating is mixed to spray the mixture on the surface of the sleeve 2 in a spraying mode, so that the graphene and the sleeve 2 can be tightly attached.
Preferably, the sleeve is a stainless steel tube. The graphene coating covers the inner and/or outer surface of the sleeve. Therefore, if the sleeve 2 is made of a heat conducting material such as a stainless steel tube, the graphene coating can be formed on the outer surface and/or the inner surface of the stainless steel tube, and the graphene coating is not easy to fall off from the inside of the stainless steel tube. The thermal conductivity of the stainless steel is 10-30W/(m.K), the physical performance of the graphene is excellent, and the thermal conductivity is as high as 5300W/(m.K), so that the heat can be better transferred to the whole stainless steel pipe by heating the graphene coating, and a better anti-icing effect is achieved. Graphene is prepared into a solution, and the sleeve 2 is immersed in the graphene solution, so that the graphene coating 3 can cover the whole surface of the sleeve 2.
According to the preferable scheme, the stay cable is a parallel steel wire stay cable which comprises a plurality of steel wire ropes, the steel wire ropes are tightly attached to each other, and anti-corrosion grease is filled between the steel wire ropes and the sleeve. Therefore, as shown in fig. 1, the anti-corrosion grease 4 has a good cable anti-corrosion effect and can also play a certain filling and sealing effect.
According to the preferable scheme, the stay cable is a steel strand stay cable which comprises a plurality of single PE (polyethylene) protective steel strand bundles with the same diameter and arranged in parallel, and anticorrosive grease is filled among the steel strands and the sleeve. As shown in fig. 1 and 2, the high-strength steel wire 1 is a single PE protection steel strand bundle, and is uniformly stressed to avoid stress concentration.
Preferably, a heater is arranged in the sleeve, and a heating part of the heater is tightly attached to the surface of the graphene coating. As shown in fig. 2, when the surface of the sleeve 2 needs to be heated, the graphene coating 3 may be heated by the heater 6. The heater can be installed at any position in the graphene coating 3 or the sleeve 2, and the heating part of the heater is tightly attached to the surface of the graphene coating 3.
Preferably, the structure further comprises a temperature sensor and a humidity sensor, and the temperature sensor and the humidity sensor are both adhered to the surface of the graphene coating 3. Therefore, the air temperature and the humidity of the accessory of the sleeve 2 are obtained through the temperature sensor and the humidity sensor, when the temperature is too low and the humidity is too high, the alarm device is started, and the worker knows that the sleeve 2 is about to freeze.
The utility model has the advantages that: the utility model provides a high heat conduction cable sleeve structure, including suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between one end of suspension cable and the roof beam, be connected through tower end anchor assembly between the other end of suspension cable and the tower, still establish the sleeve pipe outside the suspension cable including the cover, cover graphite alkene coating at sleeve pipe surface. Graphite alkene coating has high thermal conductivity, when meetting damp and cold weather, only needs the heating of arbitrary suitable position on this graphite alkene coating alright realize whole sleeve pipe surface, prevents that the sleeve pipe surface from freezing to avoid freezing rainy day cable-stay bridge cable sleeve pipe surface to freeze and melt after the back and fall, guarantee driving on the bridge and pedestrian's safety. In addition, the hydrophobic nature of graphite alkene coating itself can be better prevent rainwater stop on cable-stay bridge cable sleeve pipe surface in advance for self is difficult for freezing and has effectively prolonged the life of bridge suspension cable.
The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a high heat conduction cable sleeve structure, includes suspension cable, beam-ends anchor assembly and tower end anchor assembly, be connected through beam-ends anchor assembly between one end of suspension cable and the roof beam, be connected its characterized in that through tower end anchor assembly between the other end of suspension cable and the tower: the stay cable is characterized by further comprising a sleeve sleeved outside the stay cable, and a graphene coating covers the surface of the sleeve.
2. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the sleeve pipe is a high-density polyethylene pipe, and the graphene coating is attached to the outer surface of the sleeve pipe.
3. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the sleeve is a stainless steel tube.
4. The highly thermally conductive cable sleeve structure according to claim 3, wherein: the graphene coating covers the inner and/or outer surface of the sleeve.
5. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the stay cable is a parallel steel wire stay cable which comprises a plurality of steel wire ropes, the steel wire ropes are tightly attached to each other, and anti-corrosion grease is filled between the steel wire ropes and the sleeve.
6. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the stay cable is a steel strand stay cable which comprises a plurality of single PE protection steel strands which are the same in diameter and arranged in parallel, and anticorrosive grease is filled among the steel strands and the sleeve.
7. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the heater is arranged in the sleeve, and a heating part of the heater is tightly attached to the surface of the graphene coating.
8. The highly thermally conductive cable sleeve structure according to claim 1, wherein: the structure still includes temperature sensor and humidity transducer, temperature sensor and humidity transducer all fix on the surface of graphite alkene coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188986.4U CN210596972U (en) | 2019-07-26 | 2019-07-26 | High heat conduction inhaul cable sleeve structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188986.4U CN210596972U (en) | 2019-07-26 | 2019-07-26 | High heat conduction inhaul cable sleeve structure |
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| CN210596972U true CN210596972U (en) | 2020-05-22 |
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| CN201921188986.4U Active CN210596972U (en) | 2019-07-26 | 2019-07-26 | High heat conduction inhaul cable sleeve structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774790A (en) * | 2021-07-19 | 2021-12-10 | 重庆万桥交通科技发展有限公司 | Anti-corrosion cable rope of cable-stayed bridge |
-
2019
- 2019-07-26 CN CN201921188986.4U patent/CN210596972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774790A (en) * | 2021-07-19 | 2021-12-10 | 重庆万桥交通科技发展有限公司 | Anti-corrosion cable rope of cable-stayed bridge |
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Effective date of registration: 20221012 Address after: 430074 building E5, phase IV, optical valley software park, 1 Guanshan Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: China Railway Wuhan survey and Design Institute Co.,Ltd. Address before: Building E5, phase IV, Guanggu Software Park, No.1 Guanshan Avenue, Hongshan District, Wuhan City, Hubei Province Patentee before: CHINA RAILWAY WUHAN SURVEY AND DESIGN & INSTITUTE Co.,Ltd. |