CN1990961A - Composite material moulded well covers - Google Patents
Composite material moulded well covers Download PDFInfo
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- CN1990961A CN1990961A CN 200510136634 CN200510136634A CN1990961A CN 1990961 A CN1990961 A CN 1990961A CN 200510136634 CN200510136634 CN 200510136634 CN 200510136634 A CN200510136634 A CN 200510136634A CN 1990961 A CN1990961 A CN 1990961A
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Abstract
The invention relates to a compression well cover of compound material mould, comprising flat plate and rib at the bottom of flat plate or flat plate, rib at the bottom of flat plate and frame. The bottom of rib or the bottom of rib and frame [1] is made of continuous fiber reinforced polymer matrix composite. The upper of rib and flat plate [2] or the upper of rib, the upper of frame and flat plate is made of short fiber reinforced polymer matrix composite. Flat metal [3] is added into all or partial ribs in side direction. Compared with other compression well cover of compound material mould, it is provided with high bearing ability and can adopt different polymers as the base material. The cost is decreased obviously and it is the upgrade product of prior compression well cover.
Description
Technical field:
The present invention relates to a kind of manhole cover, especially a kind of composite material moulded well covers.
Background technology:
Well lid is the closure that leads to top, underground installation access.The place of communal facilitieies such as every installation tap water, telecommunications, electric power, combustion gas, heating power, optical cable, fire-fighting, environmental sanitation just needs the installation check well lid, and therefore, the market capacity of well lid is very big.Traditional manhole cover mostly is casting iron well lid, has caused many social concerns owing to casting iron well lid is often stolen, and people adopt various measures one after another, is not worth angle from having to recycle, and has researched and developed many new pattern manhole covers.Have with the nonmetals well lid of related data report on the market at present: steel fibrous concrete well lid, magnesia cement well lid, regenerating resin well lid, glass fibre reinforced plastic manhole covers, BMC moulded well covers or the like.Chinese patent discloses " compound road manhole " for No. 95228436.7 based on metal rib steel casing play, the coagulation slurry that stack glass fiber layer of cloth and solidfied material are formed, though load is up to 40000KG, cost is higher; Disclose " reinforcing glass steel well lid " for Chinese patent 97207516.X number and be made up of reinforcing bar, glass strap reinforcing rib wire lath and glass fiber reinforced plastic pour mass, its reinforcing rib is a reinforcing bar, and this well lid is dull and stereotyped bottom ribbing, and supporting capacity is not high; Chinese patent discloses " polymer composite mold pressing manhole cover and manufacture method thereof " and Chinese patent for No. 200410040426.6 and discloses " composite drain cover " for No. 200510037649.1 and all adopt unsaturated polyester resin to make matrix material, glass fiber is made reinforcing material, and add reinforcing bar or plastic-steel unit's bar or steel unit row culture reinforcement material, when reinforcing bar or plastic-steel unit's bar or steel unit bar strengthen, supporting capacity to well lid has more significantly raising, but reinforcing bar or plastic-steel unit's bar or steel unit bar can not expose outside, can only wrap up with the unsaturated-resin mixture that short fiber strengthens, when bearing pressure, crackle all appears in the bottom; In addition, the flexural capacity deficiency of reinforcing bar or plastic-steel unit's bar or steel unit bar causes the supporting capacity of well lid not high; In addition, unsaturated polyester resin is along with rise in oil price, and the rise in price amplitude is bigger, significantly influences the manufacturing cost of well lid, influences product market competitiveness.
Summary of the invention:
The present invention is further improvement and the development to existing composite drain cover.
The objective of the invention is to; Problem at existing composite drain cover exists designs a kind of supporting capacity height, is suitable for adopting multiple polymers to make matrix material, and manufacturing is simple and cost is low, and the advanced composite material (ACM) moulded well covers of crackle does not appear in the bottom during pressurized.
To achieve these goals, the present invention is made up of rib dull and stereotyped and dull and stereotyped bottom, or is made up of rib and frame dull and stereotyped, dull and stereotyped bottom.The bottom of rib or the bottom of rib and frame bottom [1] adopt continuous fiber to strengthen the polymer matrix composite composition; The top of the top of rib and plate part or rib, frame top and plate part [2] adopt short fiber to strengthen the polymer matrix composite composition; Medial side at all or part of rib forms ribs to embedding flat metal [3].
Above-mentioned composite material moulded well covers is characterized in that continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 100-300 part,
Continuous fiber: 50-180 part,
Filler: 0-100 part.
Above-mentioned composite material moulded well covers is characterized in that short fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 150-300 part,
Short fiber: 50-180 part,
Filler: 150-500 part.
Above-mentioned composite material moulded well covers, it is characterized in that in the described composite material, polymer is thermosetting resin or thermoplastic resin: thermosetting resin is unsaturated polyester (UP), epoxy resin or phenolic resins, thermoplastic resin be new and/polyethylene of regeneration, new and/polypropylene of regeneration, new and/polyvinyl chloride of regeneration, through modification and/unmodified petroleum bitumen and/coal tar pitch; Continuous fiber, short fiber are at least a in glass fiber, polyster fibre, the nylon fiber; Filler is at least a in the brilliant fibre of quartz powder, calcium carbonate, French chalk, flyash stone flour, alumina, calcium oxide, calcium hydroxide, kieselguhr, mineral, carbon black, the commercially available pigment etc.
Above-mentioned composite material moulded well covers is characterized in that the flat metal [3] that side direction adds in all or part of rib is band steel, band iron, oblate spheroid China ink cast iron or flat grey cast-iron.
Good effect of the present invention is the supporting capacity height, can use multiple thermosetting or thermoplastic polymer to make matrix material, and manufacturing is simple and cost is low, is suitable for mechanization, large-scale production, is the upgrading products of existing composite drain cover.
The invention will be further described below in conjunction with drawings and Examples, but therefore do not limit the present invention among the described scope of embodiments.
Accompanying drawing
Fig. 1 is the upward view of embodiment 1,
Fig. 2 is the sectional view of embodiment 1,
Fig. 3 is the upward view of embodiment 2,3,
Fig. 4 is the sectional view of embodiment 2,
Fig. 5 is the sectional view of embodiment 3,
Fig. 6 is the upward view of embodiment 4,
Fig. 7 is the sectional view of embodiment 4.
Circular composite material moulded well covers as shown in Figure 1, 2, well lid is made up of dull and stereotyped two groups of orthogonal parallel ribs with dull and stereotyped bottom.The bottom of rib [1] adopts continuous fiber to strengthen the polymer matrix composite composition; The top of rib, flat board and frame [2] adopt short fiber to strengthen the polymer matrix composite composition; The medial side of whole ribs of one group in two groups of orthogonal parallel ribs forms ribs to embedding flat metal [3].
Continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 150 parts,
Continuous fiber: 180 parts,
Filler: 3 parts.
Wherein, polymer is a unsaturated polyester resin, adds TBP or TPBO and makes initator; Continuous fiber is a glass fiber; Filler is commercially available pigment.
Short fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 120 parts,
Short fiber: 65 parts,
Filler: 290 parts.
Wherein, polymer is a unsaturated polyester resin, adds polystyrene and makes low shrinkage additive, adds TBP or TBPO and makes initator; Short fiber is a glass fiber; Filler is a powdered whiting.
The flat metal [3] that embeds in the middle of the ribs is a band steel.
Rectangle composite material moulded well covers shown in Fig. 3,5, well lid is made up of dull and stereotyped two groups of orthogonal parallel ribs with dull and stereotyped bottom.The bottom of rib and frame bottom [1] adopt continuous fiber to strengthen the polymer matrix composite composition; The top of rib, frame top and well lid plate part [2] adopt short fiber to strengthen the polymer matrix composite composition; In two groups of orthogonal parallel ribs the medial side of one group of short rib form ribs to embedding flat metal [3].
Continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 120 parts,
Continuous fiber: 100 parts,
Filler: 1 part.
Wherein, polymer is a thermosetting epoxy resin; Continuous fiber is a polyster fibre; Filler is commercially available pigment.
Short fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 115 parts,
Short fiber: 70 parts,
Filler: 280 parts.
Wherein, polymer is a thermosetting epoxy resin; Short fiber is a polyster fibre; Filler is 180 parts of powdered whitings, 10 parts of calcium oxide and 90 parts of talcous mixtures.
The medial side of ribs is a band iron to the flat metal [3] that embeds.
Rectangle composite material moulded well covers shown in Fig. 3,5, well lid is made up of the two groups of orthogonal parallel ribs and the frame of dull and stereotyped, dull and stereotyped bottom, and the bottom of rib [1] adopts continuous fiber to strengthen the polymer matrix composite composition; The top of rib, frame and plate part [2] adopt short fiber to strengthen the polymer matrix composite composition; In two groups of orthogonal parallel ribs the medial side of one group of long rib middle part two root form ribs to embedding flat metal [3].
Continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 150 parts,
Continuous fiber: 130 parts,
Filler: 5 parts.
Wherein, polymer is a phenolic resins; Continuous fiber is a nylon fiber; Filler is commercially available pigment.
Short fiber strengthens polymer composites and adopts following component (parts by weight) preparation:
Polymer: 160 parts,
Short fiber: 80 parts,
Filler: 220 parts.
Wherein, polymer is a phenolic resins; Short fiber is a glass fiber; Filler 100 powdered whitings, 100 parts of French chalk, 10 parts of flyash and 10 parts of mixtures that pigment is formed.
The medial side of ribs is an oblate spheroid China ink cast iron to the flat metal [3] that embeds.
Circular composite material moulded well covers shown in Fig. 6,7 is made up of three groups of parallel rib and the well lid frames that are in 60 ° of angles in dull and stereotyped, dull and stereotyped bottom.The bottom of rib and frame bottom [1] adopt continuous fiber to strengthen the polymer matrix composite composition; The top of rib, frame top and plate part [2] adopt short fiber to strengthen the polymer matrix composite composition; Three groups be in 60 ° of angles parallel rib in one group of rib in the medial side of two roots form ribs to embedding flat metal [3].
Continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 200 parts,
Continuous fiber: 150 parts,
Filler: 2 parts.
Wherein, polymer is a regenerated polythene, and continuous fiber is a glass fiber; Filler is commercially available pigment.
Short fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 250 parts,
Short fiber: 80 parts,
Filler: 150 parts.
Wherein, polymer is a regenerated polythene; Short fiber is a glass fiber; Filler is the mixture of 100 parts of powdered whitings and 50 parts of flyash.
Claims (9)
1, a kind of composite material moulded well covers, form by rib dull and stereotyped and dull and stereotyped bottom, or forms by rib and frame dull and stereotyped, dull and stereotyped bottom, it is characterized in that the bottom of rib or the bottom and the frame bottom [1] of rib adopt continuous fiber to strengthen the polymer matrix composite composition; The top of the top of rib and flat part part or rib, frame top and plate part [2] adopt short fiber to strengthen the polymer composites composition; In whole ribs or part rib medial side form ribs to adding flat metal [3].
2, composite material moulded well covers according to claim 1 is characterized in that continuous fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 100-300 part,
Continuous fiber: 100-300 part,
Filler: 0-100 part.
3, composite material moulded well covers according to claim 1 is characterized in that short fiber strengthens polymer matrix composite and adopts following component (parts by weight) preparation:
Polymer: 150-300 part,
Short fiber: 50-180 part,
Filler: 150-500 part.
4, composite material moulded well covers according to claim 1 is characterized in that flat metal [3] is band steel, band iron, oblate spheroid China ink cast iron or flat grey cast-iron.
5,, it is characterized in that described polymer is thermoplastic polymer or thermosetting polymer according to claim 1,2,3 described composite material moulded well covers.
6,, it is characterized in that described thermosetting polymer is unsaturated polyester resin, epoxy resin or phenolic resins according to claim 1,2,3,5 described composite material moulded well covers.
7, according to claim 1,2,3,5 described composite material moulded well covers, it is characterized in that described thermoplastic polymer be new and/polyethylene of regeneration, new and/polypropylene of regeneration, new and/polyvinyl chloride of regeneration, through modification and/unmodified petroleum bitumen and/coal tar pitch.
8,, it is characterized in that described continuous fiber or short fiber are at least a in glass fiber, polyster fibre, the nylon fiber according to claim 1,2,3 described composite material moulded well covers.
9,, it is characterized in that described filler is at least a in the brilliant fibre of quartz powder, calcium carbonate, French chalk, flyash, stone flour, alumina, calcium oxide, calcium hydroxide, kieselguhr, mineral, carbon black, the commercially available pigment etc. according to claim 1,2,3 described composite drain covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510136634 CN1990961A (en) | 2005-12-28 | 2005-12-28 | Composite material moulded well covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510136634 CN1990961A (en) | 2005-12-28 | 2005-12-28 | Composite material moulded well covers |
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|---|---|
| CN1990961A true CN1990961A (en) | 2007-07-04 |
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| CN 200510136634 Pending CN1990961A (en) | 2005-12-28 | 2005-12-28 | Composite material moulded well covers |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071704A (en) * | 2010-12-16 | 2011-05-25 | 吕云南 | Well lid |
| CN102380952A (en) * | 2010-08-30 | 2012-03-21 | 通用汽车环球科技运作有限责任公司 | Method for integral vent screen in molded panels |
| CN102574335A (en) * | 2009-08-26 | 2012-07-11 | 拜尔材料科学股份公司 | Fiber-reinforced polyurethane molded part with three-dimensional raised structure |
| CN103030878A (en) * | 2011-09-30 | 2013-04-10 | 钱亚军 | High strength composite manhole cover and its manufacturing method |
| CN103286959A (en) * | 2012-03-05 | 2013-09-11 | 辽宁辽杰科技有限公司 | Manhole cover and manufacturing method thereof |
| CN104250330A (en) * | 2013-06-27 | 2014-12-31 | 蓝星（北京）特种纤维技术研发中心有限公司 | Dicyclopentadiene and carbon fiber cloth composite manhole cover and manufacturing method thereof |
| CN104497185A (en) * | 2014-12-26 | 2015-04-08 | 中国蓝星（集团）股份有限公司 | Composition for reaction injection molding and application thereof |
| CN106436876A (en) * | 2016-12-09 | 2017-02-22 | 天津市博安塑胶制品有限公司 | Resin-based polymer composite water grate and preparation method thereof |
| CN107119791A (en) * | 2017-05-14 | 2017-09-01 | 南通德瑞森复合材料有限公司 | A kind of new glass fibre reinforced plastic trench cover plate |
| CN110894340A (en) * | 2019-10-11 | 2020-03-20 | 王小军 | Pit cover utilizing waste epoxy resin powder and preparation method thereof |
| CN115071162A (en) * | 2022-06-20 | 2022-09-20 | 广州金发碳纤维新材料发展有限公司 | Fiber-reinforced anti-collision beam and preparation process and application thereof |
-
2005
- 2005-12-28 CN CN 200510136634 patent/CN1990961A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102574335A (en) * | 2009-08-26 | 2012-07-11 | 拜尔材料科学股份公司 | Fiber-reinforced polyurethane molded part with three-dimensional raised structure |
| CN102380952A (en) * | 2010-08-30 | 2012-03-21 | 通用汽车环球科技运作有限责任公司 | Method for integral vent screen in molded panels |
| CN102380952B (en) * | 2010-08-30 | 2014-08-13 | 通用汽车环球科技运作有限责任公司 | Method for integral vent screen in molded panels |
| CN102071704A (en) * | 2010-12-16 | 2011-05-25 | 吕云南 | Well lid |
| CN103030878A (en) * | 2011-09-30 | 2013-04-10 | 钱亚军 | High strength composite manhole cover and its manufacturing method |
| CN103286959A (en) * | 2012-03-05 | 2013-09-11 | 辽宁辽杰科技有限公司 | Manhole cover and manufacturing method thereof |
| CN104250330A (en) * | 2013-06-27 | 2014-12-31 | 蓝星（北京）特种纤维技术研发中心有限公司 | Dicyclopentadiene and carbon fiber cloth composite manhole cover and manufacturing method thereof |
| CN104250330B (en) * | 2013-06-27 | 2016-06-22 | 蓝星（北京）特种纤维技术研发中心有限公司 | Dicyclopentadiene and carbon cloth combined manhole cover and manufacture method thereof |
| CN104497185A (en) * | 2014-12-26 | 2015-04-08 | 中国蓝星（集团）股份有限公司 | Composition for reaction injection molding and application thereof |
| CN106436876A (en) * | 2016-12-09 | 2017-02-22 | 天津市博安塑胶制品有限公司 | Resin-based polymer composite water grate and preparation method thereof |
| CN107119791A (en) * | 2017-05-14 | 2017-09-01 | 南通德瑞森复合材料有限公司 | A kind of new glass fibre reinforced plastic trench cover plate |
| CN110894340A (en) * | 2019-10-11 | 2020-03-20 | 王小军 | Pit cover utilizing waste epoxy resin powder and preparation method thereof |
| CN115071162A (en) * | 2022-06-20 | 2022-09-20 | 广州金发碳纤维新材料发展有限公司 | Fiber-reinforced anti-collision beam and preparation process and application thereof |
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