CN102700628B - Heat preservation car panel with glass fiber reinforced plastic framework structure for foaming refrigerator car - Google Patents
Heat preservation car panel with glass fiber reinforced plastic framework structure for foaming refrigerator car Download PDFInfo
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- CN102700628B CN102700628B CN201210214510.XA CN201210214510A CN102700628B CN 102700628 B CN102700628 B CN 102700628B CN 201210214510 A CN201210214510 A CN 201210214510A CN 102700628 B CN102700628 B CN 102700628B
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Abstract
The invention discloses a heat preservation car panel with glass fiber reinforced plastic framework structure for a foaming refrigerator car, comprising an inner skin, an outer skin and a car panel framework, wherein the car panel framework is positioned between the inner skin and the outer skin; an adhesive layer is arranged on the inner side surface of the outer skin; the car panel framework comprises core material and a glass fiber reinforced plastic layer covered on the outer surface of the core material, a cavity is arranged in the middle of the car panel framework, and polyurethane formed foam is filled in the cavity; and a layer of fiberglass mesh is fixed in the cavity close to the inner skin and outer skin in the suspension manner, and space is formed between the fiberglass mesh and the inner skin or the outer skin. According to the heat preservation car panel, the integral glass fiber reinforced plastic framework is adopted, the strength is high, and the waterproof performance is good; and the inner and the outer skins of the car panel are adhered with the car panel framework into a whole through polyurethane structural adhesive, and the integral strength of the car panel is remarkably improved.
Description
Technical field
The present invention relates to refrigeration carriage board field, especially relate to a kind of van cooler insulation railway carriage or compartment plate.
Background technology
The foaming railway carriage or compartment plate structure of current van cooler insulation railway carriage or compartment plate is: exterior skin is metal sheet or glass epoxy, inner skeleton is metallic material combination batten structure, middle injection polyurathamc material foaming, in the plate of railway carriage or compartment, exterior skin bonding plane adopts polishing or primer spray treatment process.Because its inner skeleton material is heavier, polyurethane easily produces bulla, cavity blemish at foam flow process when foaming, so the railway carriage or compartment plate that this structure and processing technology are produced is from heavy, heat insulation effect is poor, waterproof ability is poor, service life is short, the easy bubbling of railway carriage or compartment plate covering, affects compartment board outward appearance and compartment service life.
Summary of the invention
A kind of glass-felt plastic skeleton structure high from heavy and light, structural strength foaming van cooler is the object of the present invention is to provide to be incubated railway carriage or compartment plate.
Technical scheme of the present invention is:
Glass-felt plastic skeleton structure foaming van cooler insulation railway carriage or compartment plate, comprise inside panel and exterior skin, it also comprises railway carriage or compartment framework, described railway carriage or compartment framework is between inside panel and exterior skin, the medial surface of described exterior skin is provided with glue-line, described railway carriage or compartment framework comprises core and is wrapped in the frp layer of core appearance, is provided with cavity, is filled with polyurethane foam contoured foam in described cavity in the middle of the framework of described railway carriage or compartment; Near inside panel or exterior skin place is unsettled is fixed with layer of glass grid cloth in cavity, between fiberglass gridding cloth and inside panel or exterior skin, be provided with spacing.
Described inside panel medial surface and framework junction, railway carriage or compartment are also provided with glue-line.
Described inside panel medial surface is also provided with glue-line, and framework side, described railway carriage or compartment is connected with inside panel by glue-line.
The size of mesh opening of fiberglass gridding cloth is long 5 ~ 15mm, wide 5 ~ 15mm.
Spacing L=10 ~ the 20mm of the medial surface of described fiberglass gridding cloth and inside panel or exterior skin.
Described core material is hard polyurethane foam.
The described frp layer be wrapped in outside core soaks unsaturated polyester curing molding by Blanket.
The material of described glue-line is PU structural adhesive.
Described railway carriage or compartment framework comprises frame and reinforced rib, and described reinforced rib two ends are connected with scuncheon respectively.
Described frp layer thickness is 2 ~ 3mm.
The present invention compared with prior art the invention has the advantages that:
The present invention adopts glass fibre reinforced plastic integral skeleton, and intensity is high, lightweight, water resistance is good; In the plate of railway carriage or compartment, exterior skin is bonding integrally by PU structural adhesive with railway carriage or compartment framework, and railway carriage or compartment slab integral intensity is significantly improved; In the plate of railway carriage or compartment, exterior skin bonding plane PU structural adhesive improves the bind strength between froth bed and interior exterior skin; The unsettled fixing glass fibrous mesh cloth in inside panel surface avoids the large abscess of foam, cavity blemish, improves railway carriage or compartment plate presentation quality and railway carriage or compartment plate intensity.This new structure railway carriage or compartment plate heat-insulating property is good, and water resistance is good, lightweight, and intensity is high, and cost is low, has good proper value.
The present invention overcomes the deficiency of existing railway carriage or compartment plate structure technology, and from heavy and light, high insulating effect, water resistance is strong, structural strength is high, outward appearance is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the structural representation after removing polyurethane foam contoured foam in Fig. 3;
Fig. 5 is the structural representation of reinforced rib.
Detailed description of the invention
As shown in Figure 1, 2, 3, the present invention includes the exterior skin 1 of railway carriage or compartment plate, inside panel 2, glue-line 3 is equipped with at the medial surface of exterior skin 1, inside panel 2, glue-line 3 adopts PU structural adhesive, railway carriage or compartment framework 4 is bonded with between two glue-lines 3, railway carriage or compartment framework 4 comprises frame 5 and reinforced rib 6, and frame 5 is positioned at the surrounding of railway carriage or compartment framework 4; Be four in reinforced rib 6(Fig. 1) vertically arrange, upper and lower two ends connect (generally adopting bonding way) between frame 5.
As shown in Figure 4, form several cavitys 10 in the middle of railway carriage or compartment framework 4, in fact surround cavity 10 by frame 5 and reinforced rib 6 exactly.Frame 5 is identical with the structure of reinforced rib 6, as shown in Figure 5, all adopts hard polyurethane foam to do core 7, outer layer covers frp layer 8, and frp layer 8 is Blanket leaching unsaturated polyester curing molding.During actual production, frame 5 and reinforced rib 6 can be divided into some sections and manufacture respectively, then according to the true form bonding formation railway carriage or compartment framework 4 successively of frame 5 and reinforced rib 6.Also unsettledly on the left of the glue-line 3 of inside panel 2 side be fixed with one deck 10mm*10mm fiberglass gridding cloth 9, the spacing L=10 ~ 20mm inside fiberglass gridding cloth 9 and inside panel.Fiberglass gridding cloth 9 is positioned at the cavity 10 that railway carriage or compartment framework 4 is formed.
Finally in cavity 10, be filled with polyurethane, until final polyurethane foaming foam 11 is full of whole cavity 10.
Manufacturing process of the present invention is as follows:
The first step: adopt hard polyurethane foam to do core 7, outer layer covers compound glass fibrofelt makes frame 5 and reinforced rib 6, mould is used to be prefabricated into glass fiber reinforced plastic shapes by the cross sectional shape of frame 5 and reinforced rib 6, then according to various railway carriage or compartments plate specification by shaping frame 5 and the bonding integrally framework of reinforced rib 6, form van cooler insulation railway carriage or compartment framework (i.e. railway carriage or compartment framework 4), this skeleton can reduce railway carriage or compartment framework weight, improves railway carriage or compartment plate heat-insulating property, improves railway carriage or compartment framework water resistance.
Second step: the first hacking of inner side bonding plane of exterior skin 1,2 in the plate of insulation railway carriage or compartment is cleaned, then evenly one deck PU structural adhesive (i.e. glue-line 3) is coated with, when this method can improve foaming, the bind strength of exterior skin in isocyanurate foam and railway carriage or compartment plate, significantly improves railway carriage or compartment plate intensity.
3rd step: before foaming, at the unsettled fixing one deck 10mm*10mm fiberglass gridding cloth 9 of inside panel 2 inside face.Easily produced bulla, cavity blemish at foam flow process when foaming in the past, and the present invention is by adopting fiberglass gridding cloth 9, make foam by being broken bubble, even bubble during fiberglass gridding cloth 9, thus avoid the froth bed of railway carriage or compartment intralamellar part foaming to occur larger abscess, cavity, insulation railway carriage or compartment plate outside face is avoided to occur bulge defect, improve railway carriage or compartment plate presentation quality, also improve the structural strength of railway carriage or compartment plate froth bed.
4th step: be bonded to entirety after exterior skin 1 is coated with the bonding solidification of PU structural adhesive with each faying face of railway carriage or compartment framework 4.In the plate of railway carriage or compartment, exterior skin 1,2 can use glass epoxy, aluminium sheet, stainless steel sheet or color steel etc., structure highly versatile.
5th step: place exterior skin 1, glass fibre reinforced plastic integral railway carriage or compartment framework 4, fiberglass gridding cloth 9, inside panel 2 in massive plate compression machine template in order, enter after the plate perimeter die of fastening railway carriage or compartment massive plate compression machine heat sizing after, high pressure foaming machine is utilized to inject polyurethane foam material in the cavity 10 of railway carriage or compartment framework 4, insulation, pressurize, solidification aftershaping, form the present invention.
It should be noted that: also only exterior skin 1 can establish glue-line 3, not establish glue-line 3 at inside panel 2, only establish glue-line 3 in inside panel 2 and railway carriage or compartment framework 4 junction, inside panel 2 and railway carriage or compartment framework 4 are bonded together by glue-line 3; Also can inside exterior skin unsettled fixing glass fibrous mesh cloth 9, object of the present invention can be realized equally; The sizing grid of fiberglass gridding cloth 9 also can be 15mm*15mm, 5mm*5mm, and the width range of grid is 5 ~ 15mm, and the length range of grid is also 5 ~ 15mm.Approximate change so also drops in protection scope of the present invention.
Claims (5)
1. glass-felt plastic skeleton structure foaming van cooler insulation railway carriage or compartment plate, comprise inside panel and exterior skin, it is characterized in that: it also comprises railway carriage or compartment framework, described railway carriage or compartment framework is between inside panel and exterior skin, the medial surface of described exterior skin is provided with glue-line, described railway carriage or compartment framework comprises core and is wrapped in the frp layer of core appearance, is provided with cavity, is filled with polyurethane foam contoured foam in described cavity in the middle of the framework of described railway carriage or compartment; Near inside panel or exterior skin place is unsettled is fixed with layer of glass grid cloth in cavity, between fiberglass gridding cloth and inside panel or exterior skin, be provided with spacing; Described inside panel medial surface is also provided with glue-line, and framework side, described railway carriage or compartment is connected with inside panel by glue-line; Described railway carriage or compartment framework comprises frame and reinforced rib, and described reinforced rib two ends are connected with scuncheon respectively; The size of mesh opening of fiberglass gridding cloth is long 5 ~ 15mm, wide 5 ~ 15mm; Spacing L=10 ~ the 20mm of the medial surface of described fiberglass gridding cloth and inside panel or exterior skin; Described core material is hard polyurethane foam.
2. glass-felt plastic skeleton structure foaming van cooler insulation railway carriage or compartment according to claim 1 plate, is characterized in that: described inside panel medial surface and framework junction, railway carriage or compartment are also provided with glue-line.
3. glass-felt plastic skeleton structure according to claim 1 and 2 foaming van cooler insulation railway carriage or compartment plate, is characterized in that: described in be wrapped in frp layer outside core by Blanket leaching unsaturated polyester curing molding.
4. glass-felt plastic skeleton structure foaming van cooler insulation railway carriage or compartment according to claim 1 and 2 plate, is characterized in that: the material of described glue-line is PU structural adhesive.
5. glass-felt plastic skeleton structure foaming van cooler insulation railway carriage or compartment according to claim 1 and 2 plate, is characterized in that: described frp layer thickness is 2 ~ 3mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210214510.XA CN102700628B (en) | 2012-06-27 | 2012-06-27 | Heat preservation car panel with glass fiber reinforced plastic framework structure for foaming refrigerator car |
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| CN201210214510.XA CN102700628B (en) | 2012-06-27 | 2012-06-27 | Heat preservation car panel with glass fiber reinforced plastic framework structure for foaming refrigerator car |
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| CN102700628A CN102700628A (en) | 2012-10-03 |
| CN102700628B true CN102700628B (en) | 2015-03-25 |
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| CN108551102A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | With the prefabricated cabin substation of phase-changing and temperature-regulating function and its temperature control method |
| CN108551103A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | Modularization prefabricated cabin substation and its heat dissipating method |
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| CN108521094A (en) * | 2018-04-27 | 2018-09-11 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation with automatic temperature-adjusting function and its temperature control method |
| CN108551102A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | With the prefabricated cabin substation of phase-changing and temperature-regulating function and its temperature control method |
| CN108551103A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | Modularization prefabricated cabin substation and its heat dissipating method |
| CN108574221A (en) * | 2018-04-27 | 2018-09-25 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation and its heat dissipating method |
| CN108666904A (en) * | 2018-04-27 | 2018-10-16 | 青岛特锐德电气股份有限公司 | Prefabricated cabin, assemble method and prefabricated cabin substation |
| CN108683116A (en) * | 2018-04-27 | 2018-10-19 | 青岛特锐德电气股份有限公司 | Prefabricated cabin composite panel, processing method and prefabricated cabin substation |
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| CN108551102B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin transformer substation with phase change temperature adjusting function and temperature control method thereof |
| CN108574221B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin transformer substation and heat dissipation method thereof |
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