CN100418845C - Elastic floating body and manufacturing method thereof - Google Patents
Elastic floating body and manufacturing method thereof Download PDFInfo
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- CN100418845C CN100418845C CNB2004100152956A CN200410015295A CN100418845C CN 100418845 C CN100418845 C CN 100418845C CN B2004100152956 A CNB2004100152956 A CN B2004100152956A CN 200410015295 A CN200410015295 A CN 200410015295A CN 100418845 C CN100418845 C CN 100418845C
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- Prior art keywords
- buoyancy aid
- inner core
- elastic foam
- elastic
- main body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000007667 floating Methods 0.000 title abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 44
- 229920002396 Polyurea Polymers 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005187 foaming Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims description 21
- 229920003226 polyurethane urea Polymers 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000006261 foam material Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000035939 shock Effects 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 150000002148 esters Chemical class 0.000 abstract 2
- 229920000768 polyamine Polymers 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 24
- 239000004033 plastic Substances 0.000 description 24
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000002984 plastic foam Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Abstract
The present invention discloses an elastic floating body which aims to provide an elastic floating and a method for manufacturing the elastic floating body. The elastic floating body simultaneously has the advantages of shock resistance, corrosion resistance, easy manufacture, long maintenance-free time, low maintenance cost, long service life, etc. The elastic floating body comprises a main body, wherein the main body is composed of an elastic foam core (2) and an elastic shield (3) coated on the surface of the elastic foam core (2). In the present invention, polyamine ester, or polyureas, or a mixed material of polyamine ester and polyureas in the liquid state is coated on the surface of the elastic foam core (2) made of a polymer foaming material by using the method of spraying by a high pressure spray gun so as to form the elastic shield (3); no gap exists between the elastic foam core (2) and the elastic shield (3). The present invention can be used for manufacturing floating bodies of ship fenders and floating buoys.
Description
Technical field
The present invention relates to a kind of elasticity buoyancy aid and manufacture method thereof.
Background technology
Navigation mark is to guarantee marine operation safety and the critical facility that berths.
Offshore beacon is many based on the steel buoyancy aid for a long time, but along with expanding economy, ship's navigation density increases on the navigation channel, makes the steel buoyancy aid show following shortcoming:
1. because steel buoyancy aid intensity hardness is big, the boats and ships that bump with it especially spitkit can produce bigger infringement;
2. because steel buoyancy aid impact resistance is poor, the large ship that bumps with it can make it produce damaged and cause buoyancy aid water inlet back sinking, and the buoy of sinking can bring threat to ship's navigation;
3. because the steel buoyancy aid is heavy, make the buoy transportation, throw in and reclaim difficulty;
4. because the steel buoyancy aid is perishable, causes its rust cleaning, remove the sea and give birth to that maintaining work capacitys such as attachment, japanning are big, the after-cost is high.
At the above various shortcomings of steel buoyancy aid, people have researched and developed glass-felt plastic buoyancy aid, plastic float and Rubber inflator.
The glass-felt plastic buoyancy aid has withstanding corrosion, easy coloring, lightweight advantage, but the surface of glass-felt plastic buoyancy aid is fragile, and its Dent resistance is very poor, and its performance ageing-resistant, that the heatproof degree changes is also poor.
Chinese patent publication number CN1046711, open day November 7 nineteen ninety, the plastic buoy that a kind of name is called " full-plastic navigation buoy " is disclosed, its buoyancy aid has withstanding corrosion, easy coloring, lightweight advantage, but the surface of plastic float is comparatively fragile, its poor impact resistance, and its performance ageing-resistant, that the heatproof degree changes is also poor.
The Chinese patent publication number is CN2414000, on open day January 10 calendar year 2001, the rubber buoy that a kind of name is called " being used for the floating drum that navigating mark waterborne is provided with " is disclosed, shock-resistant, resistant to corrosion advantage that its buoyancy aid has, but Rubber inflator is easy coloring not, the forming work difficulty.
And the buoyancy aid of above-mentioned frp buoy, plastic buoy and rubber buoy is a filled and process material in the shell that glass-felt plastic, plastics or rubber are done, there is the gap in buoyancy aid or forms the gap because of shell is different with the shrinkage percentage of foaming inner core, make its inside stuffing water absorption rate height, thereby make that buoyancy aid exists that buoyancy loss is big, shortcoming that physical property difference etc. is difficult to overcome.
So buoyancy aid of advantage such as do not have shock-resistant, withstanding corrosion, easily processing in the prior art simultaneously, the non-maintaining time is long, maintenance cost is low, the life-span is long.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of elasticity buoyancy aid that has advantages such as shock-resistant, withstanding corrosion, easily processing, the non-maintaining time is long, maintenance cost is low, the life-span is long simultaneously is provided.
Another technical matters to be solved by this invention is that a kind of method of making above-mentioned elasticity buoyancy aid is provided.
The technical solution adopted in the present invention is: the present invention includes buoyancy aid main body, upper cover plate, bottom plate, some pipe links and base pipe, described upper cover plate is arranged at the top of described buoyancy aid main body, described bottom plate is arranged at the bottom of described buoyancy aid main body, described upper cover plate, described bottom plate and described buoyancy aid main body are connected as a single entity by described pipe link and described base pipe, described buoyancy aid main body is made up of elastic foam inner core and the elasticity armor that is coated on described elastic foam core surface, does not have the gap between described elastic foam inner core and the described elasticity armor.
Described elastic foam inner core is made by high molecular foam material, and described elasticity armor is made by Polyurethane or polyureas or Polyurethane and polyureas mixture.
Elasticity buoyancy aid of the present invention is made according to following processing step:
A) making of described elastic foam inner core:
A) at first High molecular material is made foaming body through high-pressure foam, then with the foaming body made through laminate adhesive or adhesion-molded around a center shaft spooling;
B), make it to reach the described elastic foam inner core of size of adhering to specification through machining processes;
B) at center bit one through hole of described elastic foam inner core, on a circumference that with described through hole is center shaft, get out several uniform through holes again;
C) Polyurethane of liquid or polyureas or Polyurethane and polyureas mixture are sprayed on described elastic foam core surface with high-pressure spray gun, form described elastic body armor;
D) described base pipe is installed;
E) described upper cover plate and described bottom plate and be closely connected with described base pipe are set in the upper and lower of described buoyancy aid main body, described pipe link is installed.
The invention has the beneficial effects as follows: because buoyancy aid main body of the present invention is by the elastic foam inner core be coated on its surperficial elasticity armor and form, described elastic foam inner core is made by high molecular foam material, this material has good physical property and processing characteristics, described elasticity armor is made by Polyurethane or polyureas or Polyurethane and polyureas mixture, this material has better physical property and processing characteristics, and the present invention is coated on described elastic foam core surface with the method for high-pressure spray gun spraying with the Polyurethane of liquid or polyureas or Polyurethane and polyureas mixture to form described elastic body armor, there is not the gap between described elastic foam inner core and the described elasticity armor, above-mentioned material can also recycling in addition, so can make this elasticity buoyancy aid have shock-resistant simultaneously, withstanding corrosion, easily processing, the non-maintaining time is long, maintenance cost is low, environmental protection, advantages such as the life-span is long.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the manufacture craft diagram of circuit of buoyancy aid main body of the present invention;
Fig. 3 is a structural representation of using the elastic body light buoy of the present invention's making.
The specific embodiment
As shown in Figure 1, the present invention includes buoyancy aid main body 1, upper cover plate 4,5,8 pipe links 6 of bottom plate and base pipe 7.Described buoyancy aid main body 1 is made up of elastic foam inner core 2 and the elasticity armor 3 that is coated on described elastic foam inner core 2 surfaces.Described elastic foam inner core 2 is made by high molecular foam material, and described High molecular material can adopt plastics or plastics and rubber mixture or Polyurethane, and the present invention adopts a kind of-EVA resin in the plastics; Described elasticity armor 3 is made by Polyurethane or polyureas or Polyurethane and polyureas mixture, and the present invention adopts Polyurethane and polyureas mixture.
As shown in Figure 2, the manufacturing process steps of described buoyancy aid main body 1 is as follows:
One, at first makes elastic foam inner core 2.
1, inner core adopts the plastic foam inner core, and its production method has compression molding and extrusion molding:
I. compression molding is plastics, filler, foaming agent, crosslinking agent, activator etc. to be put into hermetic type or open type plastic purificating set mixing evenly compressing tablet or granulation are placed in the moulding press, and foaming under suitable temperature and pressure obtains foam plastics slab;
II. extrusion molding is that above-mentioned raw MAT'L directly or after the granulation is added extruder, and extrusion molding under suitable temperature and pressure obtains the sheet foamed plastic of random length.
Make the elastic foam inner core of larger volume, it is bonding layer by layer also above-mentioned foam plastics slab must to be sticked with glue agent, or the sheet foamed plastic of sufficient length is bonding around a center shaft spooling, to reach required specification.
The present invention adopts compression molding to make the plastic foam inner core, and material therefor and weight portion thereof are as follows: ethylene/vinyl acetate copolymer (EVA resin) 64Kg, light active calcium carbonate (filler) 5Kg, Celogen Az (AC foaming agent) 3Kg, zinc oxide (activator) 0.65Kg, cumyl peroxide (DCP crosslinking agent) 0.55Kg and Masterbatch 5Kg.It is mixing evenly that the raw MAT'L of said ratio is put into hermetic type or open type plastic purificating set, and compressing tablet or granulation are placed in the moulding press, through the moulding press foaming of 1200T, obtain foam plastics slab under 165 ℃ temperature; It is bonding layer by layer that described foam plastics slab is sticked with glue agent, reaches the plastic foam inner core of required specification.
2, with above-mentioned plastic foam inner core through machining processes to reach the elastic foam inner core 2 of designing requirement shape and size.The present invention adopts method for grinding that the inner core that begins to take shape is carried out fine limit work, reaches the designing requirement shape and size to guarantee elastic foam inner core 2.
Two, with the method for high-pressure spray gun spraying the Polyurethane of liquid or polyureas or Polyurethane and polyureas mixture are coated on described elastic foam inner core 2 surfaces, form the described elastic body armor 3 of adequate thickness.
Polyurethane, polyureas all are the later-model elastomeric materials that generated by two kinds of raw MAT'L component hybrid reactions.Is that diisocyanate (MD1 yl) and component are the raw MAT'L hybrid reaction generation of polyalcohol, chain extender, catalyst as Polyurethane by component, and polyureas is that diisocyanate (MD1 yl) and component are the raw MAT'L hybrid reaction generation of amine terminated polyether, chain extender by component.
Above-mentioned material all has commercially available.There are Futura Co, Huntsman Co, Emvirochem, Technologies, Specialty Products etc. in external more well-known company.
The spraying elastomeric material is very high to the requirement of equipment, must adopt special-purpose spraying equipment.There are binks Co, Graco Co, Gusmer Co etc. in external more well-known company.
Because the foam inner core that elastic foam inner core 2 of the present invention is made through high-pressure foam by the EVA resin, foamed plastic is base stock with plastics, contain a large amount of bubbles, its abscess is a closed pore state, water absorption rate is very low, and foaming body has light weight, can absorb impact load, cushion characteristic is good, the characteristics that strength-to-density ratio is high; The method of elasticity armor 3 usefulness high-pressure spray guns spraying is coated on the elastic protective layer that described elastic foam inner core 3 surfaces form with the Polyurethane and the polyureas mixture of liquid; very close to each other between elastic foam inner core 3 and the elasticity armor 4; and making described elasticity armor 3 materials is new material; have good springiness, intensity height, withstanding corrosion, excellent physical property such as shock-resistant, therefore can make this elasticity buoyancy aid have advantages such as shock-resistant, withstanding corrosion, easily processing, life-span be long simultaneously.
When making buoyancy aid, at center bit one through hole of the elastic foam inner core 2 of moulding, on a circumference that with described through hole is center shaft, get out 8 uniform through holes, mounting center pipe 7 again before the spraying elasticity armor 3; The upper and lower of the buoyancy aid main body 1 after moulding is provided with upper cover plate 4 and bottom plate 5 and is closely connected with base pipe 7, pipe link 6 is installed, and described upper cover plate 4, described bottom plate 5 just are connected as a single entity by described pipe link 6 and described base pipe with described buoyancy aid main body 1.
As shown in Figure 3, therein captive joint top, upper cover plate 2 top have the lamp bracket 8 of signal lamp, at bottom plate bottom captive joint tail pipe 9, described tail pipe 9 lower end captive joint counterweights 10 can be made into the elastic body light buoy.
Claims (3)
1. elasticity buoyancy aid, it comprises buoyancy aid main body (1), it is characterized in that: it also comprises upper cover plate (4), bottom plate (5), some pipe links (6) and base pipe (7), described upper cover plate (4) is arranged at the top of described buoyancy aid main body, described bottom plate (5) is arranged at the bottom of described buoyancy aid main body, described upper cover plate (4), described bottom plate (5) is connected as a single entity by described pipe link (6) and described base pipe (7) with described buoyancy aid main body, described buoyancy aid main body (1) is made up of elastic foam inner core (2) and the elasticity armor (3) that is coated on described elastic foam inner core (2) surface, does not have the gap between described elastic foam inner core (2) and the described elasticity armor (3).
2. a kind of elasticity buoyancy aid according to claim 1 is characterized in that: described elastic foam inner core (2) is made by high molecular foam material, and described elasticity armor (3) is made by Polyurethane or polyureas or Polyurethane and polyureas mixture.
3. the manufacture method of the described a kind of elasticity buoyancy aid of claim 1 is characterized in that, it is made according to following processing step:
A) making of described elastic foam inner core (2):
A) at first High molecular material is made foaming body through high-pressure foam, then with the foaming body made through laminate adhesive or adhesion-molded around a center shaft spooling;
B), make it to reach the described elastic foam inner core (2) of size of adhering to specification through machining processes;
B) at center bit one through hole of described elastic foam inner core (2), on a circumference that with described through hole is center shaft, get out several uniform through holes again;
C) Polyurethane of liquid or polyureas or Polyurethane and polyureas mixture are sprayed on described elastic foam inner core (2) surface with high-pressure spray gun, form described elastic body armor (3);
D) described base pipe (7) is installed;
E) described upper cover plate (4) and described bottom plate (5) and be closely connected with described base pipe (7) are set in the upper and lower of described buoyancy aid main body (1), described pipe link (6) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152956A CN100418845C (en) | 2004-02-09 | 2004-02-09 | Elastic floating body and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152956A CN100418845C (en) | 2004-02-09 | 2004-02-09 | Elastic floating body and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557673A CN1557673A (en) | 2004-12-29 |
| CN100418845C true CN100418845C (en) | 2008-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100152956A Expired - Fee Related CN100418845C (en) | 2004-02-09 | 2004-02-09 | Elastic floating body and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100418845C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214849B (en) * | 2008-01-14 | 2010-11-17 | 中国人民解放军海军装备技术研究所 | Light polyurethane foam filling fender and manufacturing method thereof |
| CN102051855A (en) * | 2011-01-15 | 2011-05-11 | 珠海天岳科技有限公司 | Floating body and serial floating bridge |
| CN102673739A (en) * | 2012-05-26 | 2012-09-19 | 中国水利水电第十三工程局有限公司橡塑制品厂 | Plastic anchor floater |
| CN102785765B (en) * | 2012-07-06 | 2015-03-11 | 泰州市顺达船用器材有限公司 | Overlapped marine fender and production method thereof |
| CN103910043B (en) * | 2014-03-10 | 2016-07-06 | 华北水利水电大学 | A kind of tubular structure core frame and the composite engineering material of foamed synthetic resin common mode foam production |
| KR101599258B1 (en) * | 2014-09-24 | 2016-03-03 | 주식회사 신명 | Environmental Buoy |
| CN104973223A (en) * | 2015-07-13 | 2015-10-14 | 交通运输部南海航海保障中心北海航标处 | Production method for composite material elastomer navigation mark floating drum |
| CN112683370A (en) * | 2020-12-31 | 2021-04-20 | 南昌工控电装有限公司 | High-temperature-resistant engine oil floater and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196717A (en) * | 1986-09-03 | 1988-05-05 | Maritime Rescue International | Fender |
| CN2414000Y (en) * | 1999-11-22 | 2001-01-10 | 长江南京航道局上海航道处 | Float drum used in setting navigation mark |
| CN2434222Y (en) * | 2000-06-22 | 2001-06-13 | 刘曾凡 | Floating protective board |
-
2004
- 2004-02-09 CN CNB2004100152956A patent/CN100418845C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196717A (en) * | 1986-09-03 | 1988-05-05 | Maritime Rescue International | Fender |
| CN2414000Y (en) * | 1999-11-22 | 2001-01-10 | 长江南京航道局上海航道处 | Float drum used in setting navigation mark |
| CN2434222Y (en) * | 2000-06-22 | 2001-06-13 | 刘曾凡 | Floating protective board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1557673A (en) | 2004-12-29 |
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