CN103482014A - Composite pressure-resistant casing and molding method thereof - Google Patents
Composite pressure-resistant casing and molding method thereof Download PDFInfo
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- CN103482014A CN103482014A CN201310415854.1A CN201310415854A CN103482014A CN 103482014 A CN103482014 A CN 103482014A CN 201310415854 A CN201310415854 A CN 201310415854A CN 103482014 A CN103482014 A CN 103482014A
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Abstract
The invention discloses a composite pressure-resistant casing and a molding method thereof. The molding method includes manufacturing the pressure-resistant casing, which can work normally without visible deformation under deep water, by metal and polymer . The pressure-resistant casing is light in weight when the criteria of strength and rigidity are met. The pressure-resistant casing molded by the molding method comprises a metallic framework, a first glass fiber reinforced plastic layer, a titanium wire wound layer, a second glass fiber reinforced plastic layer, a carbon fiber layer and a protective layer, wherein the first glass fiber reinforced plastic layer, the titanium wire wound layer, the second glass fiber reinforced plastic layer, the carbon fiber and the protective layer are arranged outside the metallic framework at one step. The metallic framework can be adopted as the framework of the pressure-resistant casing and for reducing weight of the integral structure. By the integral member made of materials different in performances and features, internal stress can be ensured to uniformly distribute, and external impact can be borne to some extent.
Description
Technical field
The present invention relates to a kind of pressure shell and forming method thereof, be specifically related to the moulding of a kind of composite material pressure shell and method thereof.
Background technology
For safeguarding the national marine rights and interests, the Marine High-technology equipment of development the army and the people dual-purpose is the task of top priority.Analyze from Development Trends in recent years, research and develop a kind of a few km degree of depth under water and use, have that the equipment of relevant oceanographic data is surveyed, collected on earth's surface, deep-sea or stratum is extremely important.
At present, each large shallow-water oilfield of the world and oil field, continental shelf have obtained exploitation fully, and various countries' oil and gas development advances to the area, deep-sea gradually, has obtained good economic benefit.Yet China's offshore exploration and the main marine site more shallow at Offshore of exploitation, therefore for carrying out as early as possible deep-sea ocean exploration exploitation, increase considerably offshore oil and gas output imperative.The continental shelf of China's Northern Part of South China Sea and Nansha waters, explored abundant hydrocarbon resources arranged, and standing stock are equivalent to 1.5 times of current China coast continental shelf oil gas standing stock.Analyze from another point of view, with regard to current techniques, due to the restriction of submarine navigation device housing bearing capacity, we also do not possess the ability of moving towards deep water, with the development of world's deep water technology, compare and also exist very large gap.
Be necessary to develop a kind of aircraft that can possess under water detection, scouting and counterreconnaissance for this reason, require that it moves flexibly under water, self is disguised strong simultaneously, and possess certain impact resistance.The characteristics such as requirement aircraft housing should possess lightweight, and pressure resistance is strong.
Summary of the invention
In view of this, the invention provides a kind of composite material pressure shell and forming method thereof, this pressure shell can work under the large degree of depth under water, and obvious deformation does not occur, guarantee simultaneously its meet under the condition of strength and stiffness lightweight.
Described composite material pressure shell comprises: indulge ribs and two metallic frameworks that above support ring forms by two flanges, more than two; And the first frp layer, titanium filament winding preparative layer, the second frp layer, carbon fiber layer and the protective layer that are arranged in successively the metallic framework excircle; Wherein said two flange coaxials are placed, and between two flanges, along circumferentially being uniformly distributed more than two, are indulging ribs, and the two ends of described vertical ribs are connected with two flanges respectively; Between two flanges, along even two above support rings of axial distribution, described support ring is connected with vertical ribs.
The forming method of this composite material pressure shell is:
The metallic framework that step 1, making are comprised of flange, vertical ribs and support ring;
After described flange first adopts Forging Technology to make half-blank, then adopt process for machining to make finished product; Then two flange coaxials are arranged, indulging ribs along circumferentially being evenly arranged more than two between two flanges, the two ends of described vertical ribs are connected with two flanges respectively; Be evenly arranged vertically two above support rings on vertical ribs, described support ring is connected with vertical ribs.
Step 4, at the outside face of described titanium filament winding preparative layer, evenly apply epoxide-resin glue, then more than outside face coiling one deck of titanium filament winding preparative layer with the glass fabric after the epoxide-resin glue dipping, form the second frp layer; In the process that is wound around glass fabric, the glass fabric be wound is imposed to constant-tension, and the uniform rotation metallic framework.
Step 6: the outside face at described carbon fiber layer arranges protective layer, forms thus required pressure shell.
Collision ring more than two is set vertically on the outer circumference surface of described protective layer.
Described two flanges are processed as to conical structure, and its small end face is relative.
On the conical outer circumference surface of described two flanges, with the contacted position of the first frp layer, titanium filament winding preparative layer, the second frp layer, carbon fiber layer and protective layer, be processed with respectively radially triangle annular groove.
Between described vertical ribs and flange and support ring, all adopt riveting process to be connected.
While in described step 5, making carbon fiber layer, adopt three groups of carbon fiber filament limits to be wound around by setting rule establishment limit.
In described step 6, the material of protective layer is composited by polyamide fat and glass fibre, and wherein the quality of glass fibre is 30%～35% of polyamide lipid amount.Beneficial effect
This forming method organically combines physics with chemistry, possesses the material of heterogeneity and characteristics by the compound solid of making heterogeneous system of suitable process by multiple, the performance that its Performance Ratio forms the phase-separable material of member improves a lot, and has " compound " effect.Adopt the method, can avoid component inside stress to concentrate, guarantee that its integrated stress is uniformly distributed, can make again it bear certain external impacts.According to actual applying working condition, by design, can adjust flexibly its material composition simultaneously.
The pneumatic shell physical efficiency that adopts the method to produce is born higher external pressure effect and deformation and unstable phenomenon is not occurred; Adopt metal framework structure to combine with non-metallic material: metal framework structure one is the skeleton that can be used as pressure shell, the 2nd, can alleviate integrally-built weight.The integrated member that the material of employing different performance and characteristics is made, can guarantee that its uniform internal stress distributes, and can make again it bear certain external impacts.
The accompanying drawing explanation
Fig. 1 is the cut-away view of pressure shell;
The end view of Fig. 2 pressure shell.
Wherein: 1-flange, the vertical ribs of 2-, 3-support ring, 4-the first frp layer, 5-titanium filament winding preparative layer, 6-carbon fiber layer, 7-protective layer, 8-anticollision ring, 9-the second frp layer
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Submarine navigation device pressure shell and forming method thereof that the present embodiment provides a kind of composite material to make, this housing is as the erecting stage of the instrument and equipment of underwater detection equipment or other requirements and water isolation, can bear 40MPa(4000m under water) ability of external pressure, and meet lightweight under usage condition, possess certain protecting against shock ability.
In the present embodiment, the physical dimension of pressure shell is required to be: external diameter diameter 760mm, long 1500mm (volume greatly), meet under usage condition, require lightweight; Working environment: operation in seawater, and the ability that can bear the 40MPa external pressure possess certain protecting against shock ability simultaneously.
Based on above-mentioned usage condition, the present embodiment adopts metal and Polymers to make pressure shell, its structure forms as shown in Figure 1, comprises flange 1, vertical ribs 2, support ring 3, frp layer 4, titanium filament winding preparative layer 5, carbon fiber layer 6, protective layer 7 and anticollision ring 8.For meeting above-mentioned operating needs, the present embodiment adopts the ribs 2 of metallic framework as pressure shell, exterior laminate layers is applied with metal filament and other non-metallic materials and is formed integrated member, can reduce like this stress of component inside concentrates, make substantially its uniform internal stress distribute, can guarantee the bearing capacity that it is external again.
The concrete structure of this pressure shell is:
Step 1: make the metallic framework formed by flange 1, vertical ribs 2 and support ring 3 of high strength 7050 aluminum alloys.
After the butt flange that will be positioned at the pressure shell two ends first adopts Forging Technology to make half-blank, then adopt process for machining to make finished product.Its purpose is to improve the flange interior tissue, improves its strength and toughness.Simultaneously under the condition of the intensity that guarantees flange and assembly technology, by flange design coning structure (its transition face is cambered surface, to avoid stress, concentrate), and add radially cam ring groove with the connecting portion of other materials on the flange conical external surface, its effect one is under the condition that guarantees fitted position and component strength, can reduce the weight of member; The 2nd, can strengthen the Joint strenght between flange and other materials.Then two flange coaxials are arranged, wherein the small end face of two flanges is relative.Between two flanges, along circumferentially being uniformly distributed a plurality of vertical ribs, for controlling the homogeneity of vertical ribs focal point of stress, the two ends that adopt riveting process will indulge ribs are connected with two flanges respectively.For improving bulk strength, equidistantly arrange vertically a plurality of support rings 3 on vertical ribs, adopt riveting process that described support ring 3 is connected with vertical ribs 2.Adopt riveting process to connect and both can guarantee the intensity of connecting portion, the distortion in the time of can avoiding assembling again.
Step 2: the metallic framework that step 1 has been assembled is arranged on the frock that can rotate, and then on the outer circumference surface of metallic framework, lays glass fabric, forms the first frp layer 4.
Be specially: at first, by metallic framework, will then on its outer circumference surface, being wound around 2～3 layers of glass fabric with the contacted position of glass fabric with cleaning with alcohol after the flint glass paper hacking, form the first frp layer 4.In being wound around the process of glass fabric, should be noted: the one, the glass fabric be wound is imposed to the permanent tension force of setting, make the more tight of glass fabric coiling; The 2nd, rotating metallic skeleton equably; The 3rd, when being wound around glass fabric, with the epoxide-resin glue impregnated glass fiber cloth modulated, purpose is the Joint strenght that strengthens formed the first frp layer 4, improves the rigidity of housing integral body simultaneously.After glass fabric has been wound around, at room temperature solidify 24h, then with Abrasive disc and sand paper, integer is done in the polishing limit, outer circumference surface limit of the first frp layer 4 successively and process.
Step 3: for further improving the pressure resistance of pressure shell, make titanium filament winding preparative layer 5 on the outer circumference surface of formed the first frp layer 4 in step 2.
Be specially: at first an end of titanium silk is fixed on any one flange of metallic framework, its method of attachment is connected to the mode on capstan winch as the cable wire on accommodation ladder winch.Then apply equably epoxide-resin glue on the titanium silk, the limit coated side by the titanium filament winding on the outer circumference surface of the first frp layer 4.During coiling, the titanium silk is imposed to permanent tension force and make titanium filament winding system tight, coiling is 3～4 layers thus, forms titanium filament winding preparative layer 5.Titanium filament diameter selected in the present embodiment is in 0.5mm left and right, rigidity and the intensity of member after so not only being convenient to the moulding of member but also can guaranteeing moulding.
Step 4: the outside face at titanium filament winding preparative layer 5 evenly applies one deck epoxide-resin glue, then adopts the operating process of step 22 layers of glass fabric of outside face coiling at titanium filament winding preparative layer 5, forms the second frp layer 9.Its objective is fixedly titanium filament winding preparative layer 5, prevent from coming off in its working process.
Step 5: on the second frp layer 9 that adopts three groups of carbon fiber filaments directly to be wound on to form in step 3, make carbon fiber layer 6.
Be specially: an end of three groups of carbon fiber filaments is fixed in respectively on the second frp layer 9, spray one deck resin adhesive liquid on the outside face of the second frp layer 9, then the pressure shell half-blank limit on limit uniform rotation frock is wound around carbon fiber filament, according to certain rules carbon fiber filament is worked out simultaneously.In being wound around compilation process, after the complete one deck carbon fiber layer in pawnshop, to its outside face sprayed resin glue, then carry out the winding of lower one deck; Until formed carbon fiber layer 6 reaches after it sets thickness, the half-blank of pressure shell is unloaded from frock.
Step 6: there is certain impact resistance for making the last pressure shell formed when laying or reclaim, guarantee that carbon fiber layer 6 is affixed firmly simultaneously, at the outside face of carbon fiber layer 6, protective layer 7 is set, form thus required pressure shell.The material selection polyamide fat of described protective layer 7 adds glass fibre, wherein the mass ratio of glass fibre/polyamide fat is between 30%～35%, can guarantee the plasticity of protective layer 7 like this, improve its comprehensive mechanical performance, the linear expansion factor of this composite material and aluminum alloy and steel is close simultaneously, it is installed firmly, difficult drop-off.
Step 7: for further improving the impact resistance of formed pressure shell, equidistantly be equipped with vertically some anticollision rings 8 on the excircle of protective layer 7.The material of described anticollision ring 8 can select sea water resistance, anti-ozone, rubber that ageing properties is strong to make, and adopts adhesive technology that it is sticked on the outside face of protective layer 7, and the pressure shell structure after moulding as depicted in figs. 1 and 2.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a composite material pressure shell, is characterized in that, comprising: indulge the metallic framework that ribs (2) and two above support rings (3) form by two flanges (1), more than two; And the first frp layer (4), titanium filament winding preparative layer (5), the second frp layer (9), carbon fiber layer (6) and the protective layer (7) that are arranged in successively the metallic framework excircle; Wherein said two flange coaxials are placed, and between two flanges, along circumferentially being uniformly distributed more than two, are indulging ribs, and the two ends of described vertical ribs are connected with two flanges respectively; Between two flanges, along even two above support rings of axial distribution, described support ring is connected with vertical ribs.
2. the forming method based on the described composite material pressure shell of claim 1, is characterized in that,
The metallic framework that step 1, making are comprised of flange (1), vertical ribs (2) and support ring (3);
After described flange first adopts Forging Technology to make half-blank, then adopt process for machining to make finished product; Then two flange coaxials are arranged, indulging ribs along circumferentially being evenly arranged more than two between two flanges, the two ends of described vertical ribs are connected with two flanges respectively; Be evenly arranged vertically two above support rings on vertical ribs, described support ring is connected with vertical ribs;
Step 2, the formed metallic framework of step 1 is arranged on the frock that can rotate, then is wound around on its outer circumference surface more than one deck with the glass fabric after the epoxide-resin glue dipping, form ground floor frp layer (4); In the process that is wound around glass fabric, the glass fabric be wound is imposed to constant-tension, and the uniform rotation metallic framework; After glass fabric has been wound around, at room temperature solidify 24h;
Step 3, make titanium filament winding preparative layer (5) on the outer circumference surface of described the first frp layer (4):
At first an end of titanium silk is fixed on any one flange, then limit on the titanium silk, evenly apply the epoxide-resin glue limit by the titanium filament winding on the outer circumference surface of the first frp layer (4), form titanium filament winding preparative layer (5); During coiling, the titanium silk is imposed to constant-tension;
Step 4, at the outside face of described titanium filament winding preparative layer (5), evenly apply epoxide-resin glue, then more than outside face coiling one deck of titanium filament winding preparative layer (5) with the glass fabric after the epoxide-resin glue dipping, form the second frp layer (9); In the process that is wound around glass fabric, the glass fabric be wound is imposed to constant-tension, and the uniform rotation metallic framework;
Step 5, make carbon fiber layer (6) on the outer circumference surface of described the second frp layer (9), form thus the pressure shell half-blank:
Even sprayed resin glue on the outer circumference surface of the second frp layer (9), then the metallic framework limit on limit uniform rotation frock is wound around carbon fiber filament on the outer circumference surface of the second frp layer (9); After being wound around one deck, at its outside face sprayed resin glue, then carry out the winding of lower one deck; After carbon fiber layer (6) completes, the pressure shell half-blank is unloaded from frock;
Step 6: the outside face at described carbon fiber layer (6) arranges protective layer (7), forms thus required pressure shell.
3. composite material pressure shell forming method as claimed in claim 2, is characterized in that, collision ring (8) more than two is set vertically on the outer circumference surface of described protective layer (7).
4. composite material pressure shell forming method as claimed in claim 2 or claim 3, is characterized in that, described two flanges are processed as to conical structure, and its small end face is relative.
5. composite material pressure shell forming method as claimed in claim 4, it is characterized in that, on the conical outer circumference surface of described two flanges, with the contacted position of the first frp layer (4), titanium filament winding preparative layer (5), the second frp layer (9), carbon fiber layer (6) and protective layer (7), be processed with respectively radially triangle annular groove.
6. composite material pressure shell forming method as claimed in claim 2 or claim 3, is characterized in that, between described vertical ribs and flange and support ring, all adopts riveting process to be connected.
7. composite material pressure shell forming method as claimed in claim 2 or claim 3, is characterized in that, while making carbon fiber layer (6) in described step 5, adopts three groups of carbon fiber filament limits to be wound around by setting rule establishment limit.
8. composite material pressure shell as claimed in claim 2 or claim 3, is characterized in that, the material of protective layer in described step 6 (7) is composited by polyamide fat and glass fibre, and wherein the quality of glass fibre is 30%～35% of polyamide lipid amount.
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| CN104709690A (en) * | 2015-02-10 | 2015-06-17 | 北京玻钢院复合材料有限公司 | Composite material non-magnetic roller and production method thereof |
| CN105109370A (en) * | 2015-08-12 | 2015-12-02 | 宁波中哲儿童安全用品有限公司 | Support leg for car seats |
| CN105620693A (en) * | 2016-01-28 | 2016-06-01 | 安阳市腾飞高分子复合材料有限公司 | Novel pressure-resistant cabin body made from carbon fiber macromolecular composite materials and manufacturing technology of novel pressure-resistant cabin body |
| CN106084653A (en) * | 2016-06-08 | 2016-11-09 | 中国船舶重工集团公司第七二五研究所 | A kind of composite is used to prepare frame-type raft frame or the method for pedestal |
| CN106335189A (en) * | 2016-08-31 | 2017-01-18 | 浙江贝欧复合材料制造有限公司 | Manufacturing technology of carbon fiber pressure-bearing sleeve |
| ITUB20152347A1 (en) * | 2015-07-21 | 2017-01-21 | Whitehead Sistemi Subacquei S P A | METHOD OF CONSTRUCTION OF A TUBULAR BOX OF AN UNDERWATER HALF, IN PARTICULAR A CATFISH |
| RU2649117C1 (en) * | 2017-03-27 | 2018-03-29 | Акционерное общество "Центральный научно-исследовательский институт специального машиностроения" (АО "ЦНИИСМ") | Deep-water unit body is made of composite materials |
| CN109292059A (en) * | 2018-09-05 | 2019-02-01 | 河南腾飞高分子复合材料股份有限公司 | A kind of deep-sea pressure-resistant cabin and its preparation facilities and preparation method |
| ES2765019A1 (en) * | 2018-12-05 | 2020-06-05 | Torres Martinez M | REINFORCED STRUCTURE TO SUPPORT HIGH PRESSURES (Machine-translation by Google Translate, not legally binding) |
| CN113581361A (en) * | 2021-08-18 | 2021-11-02 | 中国船舶科学研究中心 | Pressure-resistant composite structure for long-term operation in deep sea and manufacturing method thereof |
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| CN104709690B (en) * | 2015-02-10 | 2017-09-15 | 北京玻钢院复合材料有限公司 | A kind of composite is without magnet drum and preparation method thereof |
| CN104709690A (en) * | 2015-02-10 | 2015-06-17 | 北京玻钢院复合材料有限公司 | Composite material non-magnetic roller and production method thereof |
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| ITUB20152347A1 (en) * | 2015-07-21 | 2017-01-21 | Whitehead Sistemi Subacquei S P A | METHOD OF CONSTRUCTION OF A TUBULAR BOX OF AN UNDERWATER HALF, IN PARTICULAR A CATFISH |
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| CN105620693A (en) * | 2016-01-28 | 2016-06-01 | 安阳市腾飞高分子复合材料有限公司 | Novel pressure-resistant cabin body made from carbon fiber macromolecular composite materials and manufacturing technology of novel pressure-resistant cabin body |
| CN105620693B (en) * | 2016-01-28 | 2019-01-29 | 河南腾飞高分子复合材料股份有限公司 | A kind of carbon fiber polymer composite compressive cabin and its manufacture craft |
| CN106084653A (en) * | 2016-06-08 | 2016-11-09 | 中国船舶重工集团公司第七二五研究所 | A kind of composite is used to prepare frame-type raft frame or the method for pedestal |
| CN106335189A (en) * | 2016-08-31 | 2017-01-18 | 浙江贝欧复合材料制造有限公司 | Manufacturing technology of carbon fiber pressure-bearing sleeve |
| RU2649117C1 (en) * | 2017-03-27 | 2018-03-29 | Акционерное общество "Центральный научно-исследовательский институт специального машиностроения" (АО "ЦНИИСМ") | Deep-water unit body is made of composite materials |
| CN109292059A (en) * | 2018-09-05 | 2019-02-01 | 河南腾飞高分子复合材料股份有限公司 | A kind of deep-sea pressure-resistant cabin and its preparation facilities and preparation method |
| ES2765019A1 (en) * | 2018-12-05 | 2020-06-05 | Torres Martinez M | REINFORCED STRUCTURE TO SUPPORT HIGH PRESSURES (Machine-translation by Google Translate, not legally binding) |
| CN113581361A (en) * | 2021-08-18 | 2021-11-02 | 中国船舶科学研究中心 | Pressure-resistant composite structure for long-term operation in deep sea and manufacturing method thereof |
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