CN208328675U - A kind of heavy-d uty system bridge pad with graphene zinc - Google Patents
A kind of heavy-d uty system bridge pad with graphene zinc Download PDFInfo
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- CN208328675U CN208328675U CN201820824917.7U CN201820824917U CN208328675U CN 208328675 U CN208328675 U CN 208328675U CN 201820824917 U CN201820824917 U CN 201820824917U CN 208328675 U CN208328675 U CN 208328675U
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Abstract
The utility model belongs to bridge technology field, concretely relates to a kind of heavy-d uty system bridge pad with graphene zinc.Its technical solution: including the support body being set between bridge beam body and bridge pier, the exposed surface coating graphene zinc heavy-d uty system of the support body, the graphene zinc heavy-d uty system is followed successively by modified graphene yellow zinc chromate primer paint, the six/seven set of protective system top coat layer of Sheet Graphite alkene/cloud iron hoop oxygen intermediate primer layers and railway from the inside to the outside.The bridge pad with graphene zinc heavy-d uty system is strong with coating adhesion, cathodic protection performance is good, shielding is strong and anticorrosion ability outstanding feature.
Description
Technical field
The utility model belongs to bridge technology field, concretely relates to a kind of heavy-d uty system bridge with graphene zinc
Support.
Background technique
China's Transport Facility Construction is just being stepped into the period of high speed development, and a large amount of bridges also come into being like the mushrooms after rain,
Connection important component of the bridge pad as bridge structure, design life and bridge structure, which require, to be reached 100 years, and
It is 10~15 years that existing protection system, which can ensure that support steel part exempts to recruit the effective age of corrosion attack, and the phase is runed after being and safeguards band
Carry out huge challenge, is far from satisfying the requirement under existing environment to corrosion resistance.Bridge pad is as bridge structure
Important component, main structure are steel construction, if anti-corrosion measure improper use, small size eroded elements easily permeate
Traditional erosion shield causes steel structure performance to decline, and seriously affects bridge structure overall performance；Traditional anticorrosive paint is resistance to simultaneously
The salt fog service life is mostly 2000-3000 hours, far from the requirement for meeting bridge pad long service.
Utility model content
The purpose of this utility model is just to provide a kind of heavy-d uty system bridge pad with graphene zinc.The graphene
Zinc heavy-d uty system is strong with adhesive force, shielding is strong, cathodic protection performance is good and anticorrosion ability outstanding feature.
To achieve the above object, the technology employed by the present utility model is
A kind of heavy-d uty system bridge pad with graphene zinc, it is characterised in that: including be set to bridge beam body with
Support body between bridge pier, the exposed surface coating graphene zinc heavy-d uty system of the support body, the graphene zinc
Heavy-d uty system is followed successively by modified graphene yellow zinc chromate primer paint layer, Sheet Graphite alkene intermediate primer layers and cloud iron epoxy intermediate paint from the inside to the outside
Layer and railway the 6th or the 7th set of protective system top coat layer.
Constitute a kind of additional technical feature of above-mentioned heavy-d uty system bridge pad with graphene zinc further include:
--- the exposed surface is through ball blast or blasting treatment and roughness reaches Ra between 25 to 75 μm, the modification
Exposed surface described in graphene 0.4-1%, zinc powder 50-60% in graphene/zinc powder adhesive layer its ingredient by weight percentage
After ball blast or blasting treatment in 4 hours spray 80 μm of modified graphene yellow zinc chromate primer paint layer and dry after be arranged the Sheet Graphite alkene/
Cloud iron hoop oxygen intermediate primer layers；
--- the Sheet Graphite alkene/cloud iron hoop oxygen intermediate primer layers coating thickness is not less than 150 μm, wherein lamella stone
Black alkene floating coating with a thickness of 80 μm to 150 μm, micaceous iron oxide floating coating with a thickness of 70 μm to 150 μm, dry rear surface
Railway the 6th or the protective system top coat layer described in coating；
--- the thickness of the railway the 6th or the protective system top coat layer is not less than 80 μm and dries.
A kind of heavy-d uty system bridge pad with graphene zinc provided by the utility model compared with prior art,
It has the advantage that first, due to the bridge pad exposed surface coating graphene zinc heavy-d uty system, from the inside to the outside successively
For modified graphene yellow zinc chromate primer paint layer, the six/seven set of protective system finishing coat of Sheet Graphite alkene/cloud iron hoop oxygen intermediate primer layers and railway
Layer, composite coating have physical preservation and point chemical preservation multiple action, the comprehensive anticorrosive effect of heavy-d uty system can be improved；Its
Two, since modified graphene yellow zinc chromate primer paint layer is as the priming paint with rigid substrate contact, constructing operation is simple, to removing surface requirement
It is low, various complicated shape structures can be applicable in, metal powder content can be substantially reduced after graphene is added in coating, to increase
Coating adhesion and coating compactness can significantly increase coating to the shielding properties of medium；Third, due to Sheet Graphite alkene/
Cloud iron hoop oxygen intermediate primer layers material has both physical preservation and point chemical preservation multiple action, and surface gloss height has preferable attached
Put forth effort, good mechanical property is wear-resistant, have excellent electric conductivity and shielding properties；Fourth, the six/seven set of protective system face of railway
Paint layer has ceramic tile glossy surface, and the paint film of formation is hard, and wear-resisting, color is plentiful, the chemicals such as water-fast, oil resistant, acidproof alkali salt
The corrosion of product, while adhesive force is strong, construction adaptability is strong, has the good feature of environmental protection.
Detailed description of the invention
Fig. 1 is a kind of heavy-d uty system bridge pad structural schematic diagram with graphene zinc of the utility model；
Fig. 2 is the structural schematic diagram for constituting the bridge pad graphene zinc heavy-d uty system；
Specific embodiment
With reference to the accompanying drawing to a kind of heavy-d uty system bridge pad with graphene zinc provided by the utility model
Structure and working principle be described in further detail.
It as shown in Figure 1 and Figure 2, is a kind of heavy-d uty system bridge branch with graphene zinc provided by the utility model
The structural schematic diagram of seat.The structure for constituting the bridge pad includes the support body being set between bridge beam body and bridge pier, branch
The 1 coating graphene zinc heavy-d uty system of exposed surface of seat ontology, graphene zinc heavy-d uty system are followed successively by modification from the inside to the outside
Graphene yellow zinc chromate primer paint layer 5, Sheet Graphite alkene/the six/seven set of protective system top coat layer 7 of cloud iron hoop oxygen intermediate primer layers 6 and railway.
Its working principle is that: support body generally comprises the upper bracket plate 2 connecting with beam body bottom, connect down with bridge pier
Support plate 3 and the spherical crown liner plate 4 being set in upper bracket plate 2 or the spherical concave surface of lower support plate 3 are constituted, upper bracket plate 2, spherical crown
Liner plate 4,3 groups of lower support plate be installed between bridge beam body and bridge pier formed bridle iron ontology exposed surface 1, exposed surface 1
Metallic substrate surface carry out successively coating modified graphene yellow zinc chromate primer paint layer 5, Sheet Graphite alkene/6 He of cloud iron hoop oxygen intermediate primer layers
Railway the 6th or the 7th set of protective system top coat layer 7 constitute the graphene heavy-d uty system of the bridge steel support.
In constituting a kind of above-mentioned structure of the heavy-d uty system bridge pad with graphene zinc,
--- in order to thoroughly remove the corrosion of bridge pad exposed surface 1, above-mentioned exposed surface 1 is through ball blast or blasting treatment
And roughness reaches Ra and exists25 to 75 μmBetween, it is optimal viscous which can guarantee that modified graphene yellow zinc chromate primer paint layer 5 plays
With joint efforts, the whole of bridle iron is handled preferably with wet abrasive blasting；
Graphene 0.4-1%, zinc powder 50- in above-mentioned modified graphene yellow zinc chromate primer paint layer its ingredient by weight percentage
60%, since the crystal grain of prime coat is fine and closely woven, it is able to enter the said minuscule hole and defect of steel substrate surface, priming paint has been filled and led up and substrate is empty
Gap part enhances physical isolation performance, has been improved particularly the insulating effect for small size corrosive ion, has both resistance to height
Warm, ageing-resistant, hardness and impact resistance feature not only can in the initial stage that corrosion occurs using the electric conductivity of graphene
Neighbour can also be passed through while metal powder in the coating is oxidized the decline of rear electric conductivity by effectively playing cathodic protection effect
Close Sheet Graphite alkene is contacted with upper layer metal powder, and electron-transport access can bypass the metal oxide of electric conductivity decline, is risen
It is acted on to same cathodic protection, to form conductive network and as anode by connecting with metal powder, be reached with sacrificial anode
Protect the effect of the steel substrate as cathode material；
--- further, Sheet Graphite alkene described above/cloud iron hoop oxygen intermediate primer layers 6 coating thickness is not less than 150 μ
M, wherein Sheet Graphite alkene intermediate coat 61 with a thickness of 80 μm to 150 μm, cloud iron epoxy intermediate paint 62 with a thickness of 70 μm extremely
150 μm, " labyrinth " effect is formed using the laminated structure of graphene, the fine and close isolation layer that two-dimensional slice folded structures are formed is to gold
Category is protected to obstruct the infiltration such as water, oxygen, corrosive ion, and the corrosion rate of steel substrate, excellent permeability resistance are delayed
Corrosion Protection is enhanced, not dusting is used for a long time outdoors, does not crack for UV resistant, and medium-resistance is prominent, can tolerate
The grounds such as steel, cast iron, aluminium are all had excellent adhesive force by the erosion of the media such as water, salt, acid, alkali, oil, and long-time service does not take off
It falls, not hollowing, preferably after drying is completed in Sheet Graphite alkene/spraying of cloud iron hoop oxygen intermediate primer layers 6, external coating railway the 6th/
Seven sets of protective system top coat layers 7；
--- the thickness of above-mentioned the six/seven set of protective system top coat layer 7 of railway is not less than 80 μm and dries, and spraying is completed quiet
It carries out assembling the reliability and durability that can preferably play graphene zinc heavy-d uty system after setting maintenance, to better ensure that
The corrosion-resistant time of bridge steel support and steel construction piece, the graphene zinc heavy-d uty system key technical index salt spray test service life
More than 6000 hours, 1 times is improved than the conventional epoxy zinc-rich anti-corrosive paint salt spray test service life, paint film adhesion is increased to
10MPa or more reduces zinc content, and compactness improves, and can inhibit the infiltration rate of water and chloride ion in the coating, the bottom of at
After adding 0.5% graphene in coating resins, the infiltration rate of hydrone in the coating is from 5.56 × 10-9 cm2/S drops to
1.61 × 10-11 cm2/ s declines about 300 times, and paint film toughness is high, and impact resistance is good, infiltration of the chloride ion in zinc rich primer
Saturating rate is 2.06 × 10-3 mg/cm2, infiltration rate of the chloride ion in zinc rich primer is 3.83 × 10-3 mg/cm2 D, with
Zinc rich primer is compared, and the infiltration rate of chloride ion is reduced about 5 times by graphene yellow zinc chromate primer paint, significantly increases coating to the screen of medium
Performance is covered, is a kind of novel anticorrosion system of durability for significantly increasing bridge pad.
Claims (4)
1. a kind of heavy-d uty system bridge pad with graphene zinc, it is characterised in that: including being set to bridge beam body and bridge
Support body between pier, the exposed surface coating graphene zinc heavy-d uty system of the support body, the graphene zinc weight
Protective system is followed successively by modified graphene yellow zinc chromate primer paint from the inside to the outside, Sheet Graphite alkene intermediate primer layers and cloud iron hoop oxygen intermediate primer layers and
Railway the 6th or the 7th set of protective system top coat layer.
2. a kind of heavy-d uty system bridge pad with graphene zinc according to claim 1, it is characterised in that: described
Exposed surface is through ball blast or blasting treatment and roughness reaches Ra between 25 to 75 μm, and the exposed surface sprays modified graphite
80 μm of alkene yellow zinc chromate primer paint layer.
3. a kind of heavy-d uty system bridge pad with graphene zinc according to claim 2, it is characterised in that: described
The coating thickness of Sheet Graphite alkene intermediate primer layers and cloud iron hoop oxygen intermediate primer layers is not less than 150 μm, wherein among Sheet Graphite alkene
Paint with a thickness of 80 μm to 150 μm, cloud iron hoop oxygen intermediate primer layers with a thickness of 70 μm to 150 μm.
4. a kind of heavy-d uty system bridge pad with graphene zinc according to claim 2, it is characterised in that: surface
Railway the 6th described in coating or the 7th set 80 μm of protective system top coat layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824917.7U CN208328675U (en) | 2018-05-30 | 2018-05-30 | A kind of heavy-d uty system bridge pad with graphene zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824917.7U CN208328675U (en) | 2018-05-30 | 2018-05-30 | A kind of heavy-d uty system bridge pad with graphene zinc |
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| CN208328675U true CN208328675U (en) | 2019-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150642A (en) * | 2020-12-30 | 2021-07-23 | 中国特种飞行器研究所 | Anticorrosive coating system for outer wall of tower cylinder of ocean wind turbine generator and coating method |
| CN117866470A (en) * | 2024-03-04 | 2024-04-12 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
-
2018
- 2018-05-30 CN CN201820824917.7U patent/CN208328675U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150642A (en) * | 2020-12-30 | 2021-07-23 | 中国特种飞行器研究所 | Anticorrosive coating system for outer wall of tower cylinder of ocean wind turbine generator and coating method |
| CN117866470A (en) * | 2024-03-04 | 2024-04-12 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
| CN117866470B (en) * | 2024-03-04 | 2024-05-24 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 201, Ligang building, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Patentee after: CHINA RAILWAY DESIGN Corp. Patentee after: Zhongyu Tiexin Transportation Technology Co.,Ltd. Address before: No. 201, Ligang building, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Patentee before: CHINA RAILWAY DESIGN Corp. Patentee before: HENGSHUI ZHONGTIEJIAN ENGNIEERING RUBBER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |