Cable bridge having fireproof function

A technology for cable bridges and bridges, which is applied in the direction of fireproof coatings, electrical components, coatings, etc., can solve the problems of reduced mechanical strength, reduced compressive strength, and loss of support ability, so as to improve hardness and toughness, reduce environmental pollution, and improve The effect of uniformity and aesthetics

Active Publication Date: 2017-09-22
镇江市神龙电器管件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to relevant domestic and foreign reports and the tests and statistics of relevant institutions, the mechanical strength of steel structures decreases with the increase of temperature. At about 500 ° C, its strength drops to 40% to 50%. The mechanical properties of steel structures, Such as yield point, compressive strength, elastic modulus, and load capacity, etc., all drop rapidly, and soon lose the supporting capacity, causing the bridge to collapse

Method used

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  • Cable bridge having fireproof function
  • Cable bridge having fireproof function
  • Cable bridge having fireproof function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] As shown in the figure, a cable bridge frame with fire protection function includes a bridge frame body, the cross section of the bridge frame body is an isosceles trapezoid, the bridge frame body includes a bottom plate, a side plate, and two sides of the bridge frame body are provided with connecting pieces, and the connecting pieces include Horizontal plate and vertical plate, the horizontal plate is bent down 60° to form a vertical plate, the angle a between the horizontal plate and the side plate is 110°, the bridge body is provided with a partition device, and the partition device is located at both ends of the bridge body , The partition device includes a partition groove and a baffle located between adjacent partition grooves, the cross section of the baffle is a rectangular structure, and the partition groove includes a first partition groove, a second partition groove, a third partition groove, and a fourth partition groove, The first separation groove, the seco...

Embodiment 2

[0036] The difference from Example 1 is that the preparation steps of the fireproof coating are as follows:

[0037] (1) In terms of weight fraction, weigh out 80 parts of light calcium carbonate, 40 parts of wollastonite, 20 parts of styrene-butadiene emulsion, 80 parts of n-butanol, 20 parts of organic phosphate, 10 parts of cobalt isooctanoate, and 5 parts of cerium isooctanoate. Parts, 20 parts of melamine, 10 parts of preservative;

[0038] (2) Add the preservative, n-butanol, and styrene-butadiene emulsion to the mixer and mix evenly, the stirring temperature is 70°C, and the stirring time is 1 hour to obtain a mixed emulsion;

[0039] (3) Add light calcium carbonate, wollastonite, organic phosphate, cobalt isooctanoate, cerium isooctanoate, and melamine into a vertical ball mill in the order of powder first and liquid material, and after ball milling for 0.5 h, the mixture is obtained ;

[0040] (4) Add the mixture to the mixer, then slowly add the mixed emulsion, stir and mix...

Embodiment 3

[0043] The difference from Example 1 is that the preparation steps of the fireproof coating are as follows:

[0044] (1) In terms of weight fraction, weigh out 80 parts of light calcium carbonate, 40 parts of wollastonite, 20 parts of styrene-butadiene emulsion, 50 parts of n-butanol, 10 parts of chloropropane, 8 parts of cobalt isooctanoate, and 4 parts of cerium isooctanoate. Parts, 20 parts of brominated epoxy resin, 20 parts of preservative;

[0045] (2) Add the preservative, n-butanol, and styrene-butadiene emulsion to the mixer and mix evenly, the stirring temperature is 50°C, and the stirring time is 1 hour to obtain a mixed emulsion;

[0046] (3) Add light calcium carbonate, wollastonite, oxychloropropane, cobalt isooctanoate, cerium isooctanoate, and brominated epoxy resin to the vertical ball mill in the order of powder first and liquid, and the ball mill 0.5h After that, a mixture is obtained;

[0047] (4) Add the mixture to the mixer, then slowly add the mixed emulsion, s...

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Abstract

The invention provides a cable bridge having a fireproof function. The cable bridge comprises a bridge main body. The cross section of the bridge main body is isosceles trapezoid. The bridge main body comprises a bottom plate and side plates. Two sides of the bridge main body are provided with connection members. The bridge main body is provided with a fire-resistant coating. The fire-resistant coating comprises, by weight, 100 to 120 parts of an inorganic filler, 20 to 40 parts of a binder, 50 to 80 parts of n-butanol, 10 to 20 parts of a plasticizer, 10 to 20 parts of a drier, 20 to 40 parts of a flame retardant and 10 to 20 parts of a preservative. The prepared fireproof coating has excellent flame retardancy, excellent heat insulation performances, excellent fire resistance and small environmental pollution. The fireproof coating and the bridge base have strong adhesion and good comprehensive performances. The lower surface of the base plate is provided with a smoke sensor and a temperature sensor. When the cable produces abnormity, a management staff is able to find the abnormity timely and makes the appropriate treatment so that the fire hazard is avoided.

Description

Technical field [0001] The invention relates to the field of cable trays, in particular to a cable tray with fireproof function. Background technique [0002] The cable tray system is an important product in the manufacturing industry, and is the main equipment used to regulate and protect the safety of cables and transmission lines in various infrastructure projects. Generally, high-quality cold-rolled, hot-rolled, and hot-dip galvanized steel plates are used for cable trays. Because the steel structure itself is not combustible, the fire protection problem of steel structure was once ignored by people. According to relevant domestic and foreign information reports and tests and statistics of relevant institutions, the mechanical strength of steel structures decreases with increasing temperature. At about 500°C, its strength drops to 40% to 50%. The mechanical properties of steel structures are Such as the yield point, compressive strength, elastic modulus and load capacity, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D109/08C09D163/00C09D5/18C09D7/12H02G3/04
CPCC08K3/34C08K5/098C08K5/521C08K13/02C08K2003/265C09D5/18C09D109/08C09D163/00H02G3/0456C08L63/00C08K3/26C08L9/08
Inventor 郭宏富张炳林
Owner 镇江市神龙电器管件有限公司
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