CN101202133A - Spring cable - Google Patents
Spring cable Download PDFInfo
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- CN101202133A CN101202133A CNA2007101353424A CN200710135342A CN101202133A CN 101202133 A CN101202133 A CN 101202133A CN A2007101353424 A CNA2007101353424 A CN A2007101353424A CN 200710135342 A CN200710135342 A CN 200710135342A CN 101202133 A CN101202133 A CN 101202133A
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Abstract
The invention relates to a spring cable which has durable elasticity, good safety and high tensile strength. The invention is characterized in that a thin steel wire with a similar diameter with that of a twisted copper wire is mixed into a twisted flexible conductor; a rubber jacket is formed by 50 to 70wt percent of natural rubber, 30 to 50wt percent neoprene mixed basic material, and rubber ingredient which is matched with the natural rubber and the neoprene, after extruded the jacket is coiled into a spiral form and then sulfuration shaping is carried out. The elasticity of the spring cable mainly derives from the elasticity of the rubber, the elasticity is durable, and the safety is better as a hard steel wire is replaced, and the effective service life of the spring cable is effectively prolonged. Compared with the existing spring cable, the spring cable of the invention has better spring capability, loading strength, durable elasticity and better safety, and can satisfy the requirements on resilience capability and anti-pulling strength.
Description
Technical field
The present invention is the improvement to spring cable, and particularly a kind of elasticity is lasting, and fail safe is good, and the high spring cable of tensile strength.
Background technology
Spring cable, be generally used for vertical, level comes and goes and moves, on the slewing, for example mobile device or the lamp power and the control line in video display stage, audio-visual education programme, gymnasium etc.Prior art spring cable, elasticity rely on the spring steel wire that is provided with in the rubber sheath line fully, the disclosed Spiral spring cable of Chinese patent CN2234122 for example, the stranded spring steel wire that the band sheath is arranged at the cable core center.The spring cable preparation is after stranding extrudes rubber sheath, is sulfided into rubber through continuous vulcanization or in the sulfuration cylinder, will vulcanize back cable winding curl spring at last, makes spring steel wire obtain spring-like elasticity.This type of mainly relies on spring steel wire to obtain the cable of elasticity and heavy burden, usually need to use the hard spring steel wire of diameter much larger than stranded single copper wire, owing to steel wire and tired difference of the stranded core of insulation and soft or hard difference, hard spring steel wire is along with the frequent mobile or pole of rotation of cable causes fracture easily.Spring steel wire fracture not only causes the forfeiture of cable spring performance, and the fracture steel wire can to fray or stab conductor insulation accidents caused, so the cable Acceptable life is shorter.The disclosed spring cable of Chinese patent CN2708450 proposes spring steel wire is moved to cable periphery spiral inboard, reaches the deficiency that overcomes spring steel wire fracture galling or pierce through conductor insulation.Yet spring steel wire heavy burden intensity is low and easy fracture is lost flexible defective and still existed, and does not obtain remarkable improvement, and elasticity is still shorter useful life.
Above-mentioned spring cable, the rubber sheath is by chlorinated polyethylene rubber base-material and the rubber chemicals that are complementary, and as vulcanizing agent, vulcanization accelerator, reinforcing filler, plasticizer, antiaging agent etc., classical group commonly used becomes: 100 parts of haloflexes (CPE); 2～5 parts of cumyl peroxides (DCP), 2～5 parts of cyanacrylates (TAIC), 1～4 part of lead sulfate tribasic, 1～4 part of dibasic lead phosphite, 5～15 parts in magnesium oxide; 5～10 parts in paraffin, 1～4 part of lead stearate, 15～30 parts of chlorinated paraffin waxs, 15～30 parts of semi-reinforcing carbon blacks, 50～70 parts of talcum powder, 50～70 parts in potter's clay, 2～5 parts of dispersants.This rubber sheath only uses as single sheath, and elasticity is minimum.
End to the present invention, the prior art spring cable, the unique dependence of the spring performance spring steel wire helically coiling typing parallel with cable obtains elasticity, and the rubber sheath only plays the sheath effect, become the unique intrinsic thoughtcast of preparation spring cable in the cable industry, and spring cable elasticity obtains unique channel.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of elasticity lasting, fail safe is good, and the high spring cable of tensile strength.
The object of the invention realization is contemplated that to change to rely on the steel wire coiling to obtain elasticity originally fully substantially, be that the main jacket rubber that relies on obtains elasticity, and mixed strand has finer wire in stranded flexible conductor, thereby overcomes the deficiencies in the prior art, realizes the object of the invention.Specifically, spring cable of the present invention comprises stranded flexible conductor, rubber insulation and rubber sheath, and it is characterized in that mixing in the stranded flexible conductor strand has the finer wire roughly the same with stranded brass wire diameter; The rubber sheath is by 50-70wt% natural rubber and 30-50wt% neoprene mixed resin, and forms with the rubber chemicals that natural rubber, neoprene are complementary, extrude sheath after, coiled vulcanizes typing again.
Finer wire among the present invention as the reinforcing material that improves flexible cable tension, heavy burden, can guarantee that again stranded conductor has flexibility preferably simultaneously, and in addition, finer wire also has certain assistant spring effect after turning to helical form, and easy fracture not.The finer wire diameter is better roughly the same with stranded single thin copper wire diameter, helps controlling the twisted wire external diameter like this.Finer wire both can be stranded in bunch, also can twist in conductor thread core again.The finer wire number, a kind of several 8-20% that account for the total root of stranded thin copper wire that are preferably.Finer wire of the present invention more preferably adopts the elasticity aircraft cord wire.
Increase the flexibility reduction that finer wire brings for overcoming, the present invention thoroughly does away with the stranded stranding of edge core more, and the stranding lay ratio better is controlled at below 8 times.Pitch is little, and is crooked, flexibility is good, helps guaranteeing the soft bendability of cable core.
Natural rubber mixes with neoprene as the rubber base-material, both helped obtaining to satisfy the performance of cable cover(ing) requirement, the gained rubber has good intensity, make rubber possess good elastic foundation again, replace cable rubber chlorinated polyethylene rubber base-material, and become the main body that spring cable obtains spring.
Rubber chemicals are for preparing the vulcanizing agent of the required coupling of rubber, reinforcing filler, softening agent, age resistor, coupling agent etc. except that the rubber base-material.Wherein: softening agent paraffin, better adopt the more tiny microwax of particle diameter, be easier in rubber, disperse; Reinforcing filler better adopts calcium carbonate activated and modified superfine calcination potter's clay, can obtain better processing technology and tensile strength.For helping the feature of environmental protection, each compounding ingredient is better selected to adopt and is not contained the heavy metal kind.
The final acquisition of sheath rubber spring characteristic of the present invention is extrude rubber sheath outside not having the cable core of filling after, not sulfuration immediately, but first coiled, and sulfuration is fixed to Spiral spring cable again, thereby makes rubber obtain spring performance.
Cable conductor of the present invention need not be filled to circle and band, directly extrudes rubber sheath, makes cable core and sheath become a tight integral body, more helps the performance of whole cable spring performance.
Rubber of the present invention, a kind ofly better consist of: 50-70 part natural rubber, 30-50 part neoprene (both form 100 parts of rubber), 2～8 parts in zinc oxide, 2～8 parts in magnesium oxide, 0.5～4 part of vulcanization accelerator dimethylaminoethyl methacrylate (DM), 0.5～4 part of accelerant disulfide tetra methylthiuram (TMTD), promoter 1, (NA-22) 0.1～4 part of 2-ethylene thiourea (ethylene thiourea), 0.5～4 part of age resistor 2-mercapto benzimidazole (MB), 0.5～3 part of age resistor N.N '-2-β naphthyl p-phenylenediamine (DNP), age resistor N, 0.2～3 part of N '-diphenyl-para-phenylene diamine (H), stearic acid 0.5～3,2～8 parts of microwaxes, 2～8 parts of phthalic acid two (the 2-ethyl is) esters (DOP), 20～60 parts of calcium carbonate activateds, 20～60 parts in modified superfine calcination potter's clay, 10～30 parts of semi-reinforcing hydrocarbon blacks.Wherein vulcanizing agent and vulcanization accelerator, the vulcanizing system that is complementary with natural rubber, neoprene respectively, TMTD, DM, NA-22 vulcanization accelerator, the vulcanizate bridging property is good, helps improving the tensile strength of sulfuration back rubber.
Spring cable of the present invention, owing to adopt elastomeric natural rubber and high-intensity neoprene to mix and usefulness, make the rubber of making possess excellent elasticity, extrude rubber sheath after, circle coiling spring, keeping sulfuration typing again under the spring shape, make cable produce spring performance, thereby make spring cable elasticity obtain to become main dependence rubber elasticity, and the gained spring is lasting, and, effectively prolonged the Acceptable life of spring cable because of no hard wire fail safe is good.Mixing strand in the stranded conductor has the roughly suitable finer wire in silk footpath, has improved the tensile strength and the heavy burden intensity of spring cable greatly, and finer wire, particularly elasticity aircraft cord wire coiling spring shape, also has certain assistant spring function.Spring cable of the present invention, now spring cable has good spring performance and heavy burden intensity, and the elasticity maintenance is permanent, and fail safe is good, can satisfy the requirement of spring cable to resilience and tensile strength fully.Spring cable of the present invention is taken out finer wire or is fractureed, and still can recover the spring shape after cable is stretching, still has spring performance, and this is an important difference of spring cable of the present invention and prior art spring cable; Not having thick spring steel wire, have only the strand of mixing finer wire, is again the another distinguishing characteristics that spring cable of the present invention is different from the prior art spring cable.
Below in conjunction with several embodiments, exemplary illustration the present invention,
Description of drawings
Fig. 1 is the embodiment of the invention three core spring cable cross section structure schematic diagrames.
Fig. 2 is the spring cable schematic diagram.
Embodiment
Embodiment: referring to Fig. 1,2, the present invention's three core spring cables, conductor thread core is selected 5 classes, 6 class soft junction structure copper conductors for use, by stranded copper wire 2 total radicals 8%～20%, stranded in bunch have a same specification elasticity aviation finer wire 1, there is the bunch 3 of finer wire to be twisted into flexible conductor many bundle strands again, extrudes common rubber insulation 4 and constitute insulated wire cores.Thoroughly do away with the stranded stranding of edge core with three, the stranding lay ratio is below 8 times, cable core directly extrudes high resiliency, high-strength rubber sheath 5 outward, on spiral mould, turn to the spring shape, keep putting under the spring shape sulfuration cylinder, by the heat press cure typing of common mode, promptly obtain spring cable with spring performance.
In addition, can also make single core spring cable, and the spring cable of band control core or the like.
High resiliency, high-strength rubber jacket formula be following table for example:
The Example formulations table
| Form kind | Form weight range | Formulation Example 1 | Formulation Example 2 | Formulation Example 3 |
| Neoprene | 30-50 part | 30 | 40 | 50 |
| Natural rubber | 50-70 part | 70 | 60 | 50 |
| Magnesium oxide | 2～8 parts | 3 | 5 | 8 |
| Zinc oxide | 2～8 parts | 8 | 5 | 3 |
| Accelerator DM | 0.5～4 parts | 1 | 2 | 4 |
| TM monex TD | 0.5～4 parts | 4 | 2 | 1 |
| Accelerant N A-22 | 0.1～4 parts | 4 | 2 | 1 |
| Antioxidant MB | 0.5～4 parts | 1 | 2 | 4 |
| Antioxidant D NP | 0.5～3 parts | 3 | 2 | 1 |
| Microwax | 2～8 parts | 2 | 5 | 8 |
| Stearic acid | 0.5～3 | 3 | 2 | 1 |
| DOP | 2～8 parts | 8 | 5 | 2 |
| Semi-reinforcing hydrocarbon black | 10～30 parts | 10 | 20 | 30 |
| Calcium carbonate activated | 20～60 parts | 60 | 40 | 20 |
| Modified superfine calcination potter's clay | 20～60 parts | 20 | 40 | 60 |
Claims (9)
1. spring cable comprises stranded flexible conductor, rubber insulation and rubber sheath, and it is characterized in that mixing in the stranded flexible conductor strand has the finer wire roughly the same with stranded brass wire diameter; The rubber sheath is by 50-70wt% natural rubber and 30-50wt% neoprene mixed resin, and forms with the rubber chemicals that natural rubber, neoprene are complementary, extrude sheath after, coiled vulcanizes typing again.
2. according to the described spring cable of claim 1, it is characterized in that finer wire diameter and stranded single thin copper wire diameter are roughly the same.
3. according to the described spring cable of claim 1, it is characterized in that finer wire is the elasticity aircraft cord wire.
4. according to claim 1,2 or 3 described spring cables, it is characterized in that the finer wire radical is the 8-20% of the total radical of stranded thin copper wire.
5. according to the described spring cable of claim 1, it is characterized in that the stranded stranding pitch diameter of many eradication edge cores is below 8 times.
6. according to the described spring cable of claim 5, it is characterized in that twisted cable core need not be filled to circle and band, directly extrudes rubber sheath.
7. according to the described spring cable of claim 1, it is characterized in that softening agent paraffin is microwax.
8. according to the described spring cable of claim 1, it is characterized in that reinforcing filler is calcium carbonate activated and modified superfine calcination potter's clay.
9. according to claim 1,2,3,5,6,7 or 8 described spring cables, it is characterized in that the rubber sheath is by 50-70 part natural rubber, 30-50 part neoprene, 2～8 parts in zinc oxide, 2～8 parts in magnesium oxide, 0.5～4 part of vulcanization accelerator dimethylaminoethyl methacrylate (DM), 0.5～4 part of accelerant disulfide tetra methylthiuram (TMTD), promoter 1, (NA-22) 0.1～4 part of 2-ethylene thiourea (ethylene thiourea), 0.5～4 part of age resistor 2-mercapto benzimidazole (MB), 0.5～3 part of age resistor N.N '-2-β naphthyl p-phenylenediamine (DNP), age resistor N, 0.2～3 part of N '-diphenyl-para-phenylene diamine (H), stearic acid 0.5～3,2～8 parts of microwaxes, 2～8 parts of phthalic acid two (the 2-ethyl is) esters (DOP), 20～60 parts of calcium carbonate activateds, 20～60 parts in modified superfine calcination potter's clay, 10～30 parts of compositions of semi-reinforcing hydrocarbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710135342A CN100589212C (en) | 2007-11-06 | 2007-11-06 | Spring cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710135342A CN100589212C (en) | 2007-11-06 | 2007-11-06 | Spring cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101202133A true CN101202133A (en) | 2008-06-18 |
| CN100589212C CN100589212C (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710135342A Active CN100589212C (en) | 2007-11-06 | 2007-11-06 | Spring cable |
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| CN (1) | CN100589212C (en) |
Cited By (15)
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| CN101916614A (en) * | 2010-05-05 | 2010-12-15 | 天津天缆集团有限公司北辰工厂 | Cold-resistant wind energy cable |
| CN102103903A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | Built-in steel cable strengthening core type buoy communication cable for ships and manufacturing method thereof |
| CN102103899A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | High-performance cable for field logging and manufacturing method thereof |
| CN102153793A (en) * | 2011-04-18 | 2011-08-17 | 青岛茂林橡胶制品有限公司 | Rubber shock absorption buffering plug and preparation method of rubber shock absorption buffering plug |
| CN101580606B (en) * | 2009-06-08 | 2011-08-31 | 无锡市华美电缆有限公司 | Cable jacket rubber and preparation method |
| CN102532616A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | Sizing material of stator rubber sleeve for pre-stressed vacuum grouting pump and preparation method thereof |
| CN102924759A (en) * | 2012-10-11 | 2013-02-13 | 青岛欧美亚橡胶工业有限公司 | Formula of rubber air spring bag rubber and production method |
| CN102977467A (en) * | 2012-11-05 | 2013-03-20 | 安徽金桥电缆有限公司 | Cross-linked low-smoke and zero-halogen flame retardant cable material for nuclear power stations, and its preparation method |
| CN103000309A (en) * | 2011-09-09 | 2013-03-27 | 广州裕泽线缆有限公司 | Waterproof process of rubber sheathed cable joints and material applied thereby |
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| CN101580606B (en) * | 2009-06-08 | 2011-08-31 | 无锡市华美电缆有限公司 | Cable jacket rubber and preparation method |
| CN101916614A (en) * | 2010-05-05 | 2010-12-15 | 天津天缆集团有限公司北辰工厂 | Cold-resistant wind energy cable |
| CN102103903A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | Built-in steel cable strengthening core type buoy communication cable for ships and manufacturing method thereof |
| CN102103899A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | High-performance cable for field logging and manufacturing method thereof |
| CN102103899B (en) * | 2010-12-24 | 2012-05-30 | 江苏远洋东泽电缆股份有限公司 | High-performance cable for field logging and manufacturing method thereof |
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| CN102924759B (en) * | 2012-10-11 | 2016-11-09 | 青岛欧美亚橡胶工业有限公司 | The composition of raw materials of rubber air spring leather bag glue and production method |
| CN102977467A (en) * | 2012-11-05 | 2013-03-20 | 安徽金桥电缆有限公司 | Cross-linked low-smoke and zero-halogen flame retardant cable material for nuclear power stations, and its preparation method |
| CN103788436A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Flame retardant mine cable sheath material |
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| CN110317371A (en) * | 2019-07-12 | 2019-10-11 | 安徽电缆股份有限公司 | A kind of potent stretch-proof cracking resistance cable cover(ing) and preparation method thereof |
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