CN101672044A - Glass fiber reinforced plastic cable channel cover plate and production method thereof - Google Patents
Glass fiber reinforced plastic cable channel cover plate and production method thereof Download PDFInfo
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- CN101672044A CN101672044A CN200910305699A CN200910305699A CN101672044A CN 101672044 A CN101672044 A CN 101672044A CN 200910305699 A CN200910305699 A CN 200910305699A CN 200910305699 A CN200910305699 A CN 200910305699A CN 101672044 A CN101672044 A CN 101672044A
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Abstract
The invention relates to a glass fiber reinforced plastic cable channel cover plate and a production method thereof. The cover plate is a rectangular hollow belly structure, longitudinal stiffening ribs are arranged in the hollow belly of the cover plate and the upper surface of the cover plate is provided with strip-shaped antiskid grains; the invention comprises the following raw materials: unsaturated polyester resin, curing agent, packing, polyvinyl alcohol solution, pigment, fiberglass roving and fiberglass felt; the invention comprises the following steps: (1) arranging a tooling equipment on an extrusion molding machine; (2) mixing and pouring the raw materials in a resin tank; and (3) inducing the fiberglass roving and the fiberglass felt through immersion, a performing device, a forming device, curing and cutting. The cover plate has high strength, smooth surface, neat and beautiful appearance, corrosion resistance of alkali, acid, petrol and the like, aging resistance, long service life without pulverization, discoloration, crack, deformation and the like. The invention ensures the safe operation of cables and prolongs the service life of the cables.
Description
Technical field
The present invention relates to a kind of glass fiber reinforced plastic cable channel cover plate and production method thereof.
Background technology
At present, the cement steel concrete material is generally adopted with cable channel cover plate in places such as power plant, power transmission and transformation station, subway and traffic tunnel, and around on the frame angle bar frame make.In recent years begin the cover plate of inorganic compounding shape material on probation again.The cable channel cover plate of its cement steel concrete material for guaranteeing that certain supporting capacity is arranged, must be made very abundantly, thereby heaviness is not easy to move, is unfavorable for that cable trench safeguards and overhaul; And lid surface is coarse, uneven, and the splicing slit is big; Material is thin crisp simultaneously, and shock resistance is poor, lacks easily and turns arrisdefect.Though the cover plate of inorganic composite type has overcome most of defective of cement cover board, yet not only cause the production cycle long because of reaching three months hardening time fully; And supporting capacity is not strong; The while easy deformation, meeting two ends perk after use a period of time, gross distortion needs to change.
Summary of the invention
The objective of the invention is to overcome with above-mentioned defective, cable channel cover plate and production method thereof that a kind of pultrusion glass fiber reinforced plastics is provided is material are in order to the cable channel cover plate of place of cement steel concrete and inorganic composite materials.
Technical scheme of the present invention: a kind of glass fiber reinforced plastic cable channel cover plate, it is characterized in that: this cable channel cover plate is designed to the cable channel cover plate of rectangle cancelled structure, uniform waling is arranged in the empty stomach of its cable channel cover plate, the upper surface of cable channel cover plate is provided with the anti-skidding line of the concavo-convex alternate bar shaped of different shape, the spacing of this anti-skidding line can be regular, also can be irregular, promptly the spacing of anti-skidding line is designed to equidistantly or the not equidistant anti-skidding line of bar shaped; This cable channel cover plate is the cable channel cover plate that adopts the glass fiber reinforced plastics monolithic construction of pultrusion molding process production.
The production method of this cable channel cover plate is to adopt the pultrusion molding process method, is finished by following raw material and processing step:
The weight proportion of described each raw material is:
Unsaturated polyester resin 25-30%
Curing compound 1-1.5%
Filler 10-15%
Poly-vinyl alcohol solution 1-1.5%
Colorant 0.3-0.8%
Woven glass roving fabric 50-55%
Glass mat 5-10%
More than each component percentage composition sum be 100%;
Its curing compound comprises three kinds in dibenzoyl peroxide (BPO), methyl ethyl ketone peroxide and uncle's fourth fat etc., generally selects wherein any two kinds of combinations for use; Specifically looking process conditions determines.Uncle's fourth fat is a kind of in tert-butyl hydroperoxide neodecanoic acid ester, the two peroxidating phthalic acid two uncle's fourth fat etc.
Filler is one or both combinations in aluminium hydrate powder, the heavy calcium carbonate, specifically looks the fire retardant performance requirement and determines.Poly-vinyl alcohol solution is a release agent.Colorant comprises: green pigment is that many chloros copper phthalocyanine, yellow colorant are that benzidine yellow, blue colorant are that titanium cyanines indigo plant, black pigment are carbon black etc., and the concrete color of product is generally determined according to user's needs.Glass mat comprises: alkali-free or medium-alkali glass fibre continuous felt and alkali-free or medium-alkali glass fibre surface felt.
Described each processing step is:
(1) setting of tooling device: be provided with creel, guiding device, resin storage tank, pre-shaping device, shaping mould, draw-gear and cutting machine on the extrusion modling machine production line successively;
(2) batching: by above-mentioned weight proportion with unsaturated polyester resin, curing compound, filler, poly-vinyl alcohol solution and colorant place stir in the mixer after, pour in the resin storage tank before the creel, its colorant is looked customer requirements and is determined color.
(3) adopt electrothermal tube that moulding form is heated up, the temperature of mould is set to 135 ℃-145 ℃, after treating that mould rises to the temperature of setting, start clamping draw-gear on the forming machine with the speed traction continuously forward of 210-260m/min, through guiding device it is entered to carry out resin impregnation in the resin storage tank being arranged on woven glass roving fabric on the creel and glass fiber continuous felt; Woven glass roving fabric behind the dipping and glass fiber continuous felt converge with fiberglass surfacing mat and enter pre-shaping device and moulding form, promptly in pre-shaping device, make it guarantee that their relative positions move closer to the net shape of goods and extrude unnecessary resin, enter then and heat up in advance and be incubated the moulding that is heating and curing in the shaping mould of required solidification temperature, the product that solidifies of depanning is towed to the cable channel cover plate that cutting machine cuts into the Len req size continuously.
The present invention is to be base-material with the unsaturated polyester resin, with BPO (dibenzoyl peroxide), methyl ethyl ketone peroxide and uncle's fourth fat (tert-butyl hydroperoxide neodecanoic acid ester, two peroxidating phthalic acid two uncle's fourth fat etc.) is curing compound, with the glass fiber is reinforcing material, the cable channel cover plate that adopts pultrusion molding process to produce.This cable channel cover plate intensity height, smooth surface, neat appearance is attractive in appearance; Has the corrosion resistance that very high acid and alkali resistance solution and gasoline etc. soak; Also have very strong ageing resistace, long-term use phenomenons such as efflorescence, variable color, be full of cracks and distortion can not occur.Use this cover plate to be layered on the raceway groove above the cable trench, piece is very little, has reduced rainwater, dust, foreign material and has fallen in the cable trench, has guaranteed the safe operation of cable, has prolonged the application life of cable.This cover plate also has good insulation performance performance and fire retardant performance, can effectively avoid personnel's injury of causing because of thunderbolt or electric leakage or fire and to the damage of cable.This cover plate weight has only cement steel concrete
Thereby laying construction is easy, light.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is a process chart of the present invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of grey black look glass fiber reinforced plastic cable channel cover plate is designed to the cable channel cover plate of rectangle cancelled structure, uniform waling is arranged in the empty stomach of its cable channel cover plate, the upper surface of cable channel cover plate is provided with the anti-skidding line of the concavo-convex alternate bar shaped of different shape, and the spacing of the anti-skidding line of its bar shaped is equidistantly or not equidistant anti-skidding line;
Cable channel cover plate upper surface in the present embodiment is the anti-skidding line of concavo-convex alternate, equally spaced bar shaped.
This cable channel cover plate is the glass fiber reinforced plastic cable channel cover plate that adopts the monolithic construction of pultrusion molding process production.
The weight proportion of each raw material of this cable channel cover plate and production craft step:
Unsaturated polyester resin 29%
Dibenzoyl peroxide 1%
Tert-butyl hydroperoxide neodecanoic acid ester 1%
Heavy calcium carbonate 6%
Aluminium hydrate powder 4%
Carbon black 0.3%
Poly-vinyl alcohol solution 1%
Alkali-free glass fibre roving 50%
Alkali-free glass fibre continuous felt 6%
Alkali-free glass fibre surface felt 1.7%
Each step is:
(1) setting of tooling device: be provided with creel, guiding device, resin storage tank, pre-shaping device, shaping mould, draw-gear and cutting machine on the extrusion modling machine production line successively;
(2) batching: by above-mentioned weight proportion with unsaturated polyester resin, curing compound, filler, poly-vinyl alcohol solution, colorant place stir in the mixer after, pour in the resin storage tank before the creel;
(3) adopt electrothermal tube that moulding form is heated up, the temperature of mould is set to 135 ℃-145 ℃, after treating that mould rises to the temperature of setting, start clamping draw-gear on the forming machine with the speed traction continuously forward of 210-260m/min, through guiding device it is entered to carry out resin impregnation in the resin storage tank being arranged on alkali-free glass fibre roving on the creel and alkali-free glass fibre continuous felt; Alkali-free glass fibre roving behind the dipping and alkali-free glass fibre continuous felt converge with alkali-free glass fibre surface felt and enter pre-shaping device and moulding form, promptly in pre-shaping device, make it guarantee that their relative positions move closer to the net shape of goods and push unnecessary resin, enter then and heat up in advance and be incubated the moulding that is heating and curing in the shaping mould of 135 ℃-145 ℃ of required solidification temperatures, the product that solidifies of depanning is towed to the glass-fiber reinforced material cable channel cover plate that cutting machine cuts into the Len req size continuously.
This glass fiber reinforced plastic cable channel cover plate is moved towards one near on the raceway groove that laterally is layered on side by side above the cable trench by cable trench, one of anti-skidding line is faced up, promptly finished a laying that both construction maintenance is easy easily, attractive in appearance again, durable, anticorrosion, the aging-resistant cable channel cover plate is gone back in the insulation fire prevention.
Claims (2)
1. glass fiber reinforced plastic cable channel cover plate is characterized in that:
A, described this cable channel cover plate are designed to the cable channel cover plate of rectangle cancelled structure, uniform waling is arranged in the empty stomach of its cable channel cover plate, the upper surface of cable channel cover plate is provided with the anti-skidding line of the concavo-convex alternate bar shaped of different shape, and the spacing of the anti-skidding line of bar shaped is equidistantly or not equidistant anti-skidding line;
B, described cable channel cover plate are the cable channel cover plate of glass fiber reinforced plastics pultrusion monolithic construction.
2. method of producing the glass fiber reinforced plastic cable channel cover plate of claim 1 is characterized in that it is to adopt pultrusion molding process production, is finished by following raw material and processing step:
The weight proportion of described each raw material is:
Unsaturated polyester resin 25-30%
Curing compound 1-1.5%
Filler 10-15%
Poly-vinyl alcohol solution 1-1.5%
Colorant 0.3-0.8%
Woven glass roving fabric 50-55%
Glass mat 5-10%
More than each component percentage composition sum be 100%;
Its curing compound comprises any two kinds of compositions in dibenzoyl peroxide, methyl ethyl ketone peroxide and the uncle's fourth fat, specifically looks process conditions and determines; Filler is one or both compositions in aluminium hydrate powder, the heavy calcium carbonate, specifically looks the fire retardant performance requirement and determines;
Poly-vinyl alcohol solution is a release agent; Colorant comprises: green pigment is that many chloros copper phthalocyanine, yellow colorant are that benzidine yellow, blue colorant are that titanium cyanines indigo plant, black pigment are carbon black etc., and the concrete color of product is generally determined according to user's needs; Glass mat comprises: alkali-free or medium-alkali glass fibre continuous felt and alkali-free or medium-alkali glass fibre surface felt;
Described each processing step is:
(1) setting of tooling device: be provided with creel, guiding device, resin storage tank, pre-shaping device, shaping mould, draw-gear and cutting machine on the extrusion modling machine production line successively;
(2) batching: by above-mentioned weight proportion with unsaturated polyester resin, curing compound, filler, poly-vinyl alcohol solution, colorant place stir in the mixer after, pour in the resin storage tank before the creel, its colorant is looked customer requirements and is determined color;
(3) adopt electrothermal tube that moulding form is heated up, the temperature of mould be set to 135 ℃-145 ℃ treat that mould rises to the temperature of setting after, the clamping draw-gear that starts on the forming machine draws forward continuously with the speed of 210-260m/min, through guiding device it is entered to carry out resin impregnation in the resin storage tank with being arranged on woven glass roving fabric on the creel and glass fiber continuous felt
Woven glass roving fabric behind the dipping and glass mat converge with fiberglass surfacing mat and enter pre-shaping device and moulding form, promptly in pre-shaping device, make it guarantee that their relative positions move closer to the net shape of goods and extrude unnecessary resin, enter then and heat up in advance and be incubated the moulding that is heating and curing in the shaping mould of 135 ℃-145 ℃ of required solidification temperatures, the product that solidifies of depanning is towed to the glass-fiber reinforced material cable channel cover plate that cutting machine cuts into the Len req size continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103056991A CN101672044B (en) | 2009-08-18 | 2009-08-18 | Glass fiber reinforced plastic cable channel cover plate and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103056991A CN101672044B (en) | 2009-08-18 | 2009-08-18 | Glass fiber reinforced plastic cable channel cover plate and production method thereof |
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| CN101672044A true CN101672044A (en) | 2010-03-17 |
| CN101672044B CN101672044B (en) | 2011-05-11 |
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| CN102235056A (en) * | 2010-05-07 | 2011-11-09 | 上海启鹏工程材料科技有限公司 | Natural plant fiber reinforced plastic (FRP) rib and preparation method thereof |
| CN102504496A (en) * | 2010-06-30 | 2012-06-20 | 上海晓宝增强塑料有限公司 | Preparation method of fiber-reinforced plastic |
| CN102807740A (en) * | 2012-08-07 | 2012-12-05 | 衡阳恒缘电工材料有限公司 | Polyester type stir-leading piece |
| CN103532079A (en) * | 2013-09-24 | 2014-01-22 | 秦皇岛耀华玻璃钢股份公司 | Composite material cable channel cover plate |
| CN103589127A (en) * | 2012-08-15 | 2014-02-19 | 上海杰事杰新材料(集团)股份有限公司 | High-transverse-strength pultrusion structural sheet material and manufacturing method thereof |
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| CN102235056A (en) * | 2010-05-07 | 2011-11-09 | 上海启鹏工程材料科技有限公司 | Natural plant fiber reinforced plastic (FRP) rib and preparation method thereof |
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| CN102807740B (en) * | 2012-08-07 | 2014-12-10 | 衡阳恒缘电工材料有限公司 | Polyester type stir-leading piece |
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