CN204401210U - All-steel load-bearing radial tire carcass all-steel cord - Google Patents
All-steel load-bearing radial tire carcass all-steel cord Download PDFInfo
- Publication number
- CN204401210U CN204401210U CN201420669857.8U CN201420669857U CN204401210U CN 204401210 U CN204401210 U CN 204401210U CN 201420669857 U CN201420669857 U CN 201420669857U CN 204401210 U CN204401210 U CN 204401210U
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- China
- Prior art keywords
- monofilament
- fingers
- internal layer
- steel
- steel cord
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0606—Reinforcing cords for rubber or plastic articles
- D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
- D07B1/0633—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration having a multiple-layer configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0606—Reinforcing cords for rubber or plastic articles
- D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
- D07B1/0626—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration the reinforcing cords consisting of three core wires or filaments and at least one layer of outer wires or filaments, i.e. a 3+N configuration
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2024—Strands twisted
- D07B2201/2027—Compact winding
- D07B2201/2028—Compact winding having the same lay direction and lay pitch
Abstract
The utility model relates to a kind of all-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament and outer monofilament to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament and is formed, described internal layer monofilament is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, and described outer monofilament is 15, evenly compiles and twists with the fingers on core stock, described middle monofilament is equilateral triangle distribution, and described middle monofilament, internal layer monofilament are twisted with the fingers to identical with outer monofilament.Contact in the utility model between all-steel load-bearing radial tire carcass all-steel cord monofilament is linear contact lay, significantly improve the rupture pull force of all-steel cord, improve fatigue performance and the load carrying behaviour of this all-steel cord, make tire conformability under road conditions adverse circumstances better, improve the service life of tire.
Description
Technical field
The utility model relates to a kind of all-steel cord, particularly, relates to a kind of all-steel load-bearing radial tire carcass all-steel cord.
Background technology
In prior art, all-steel load-bearing radial tire uses all-steel cord 3+9+15*0.22+0.15 to make carcass, its all-steel cord need divide four steps to produce, heart yearn uses 3*0.22 lay pitch 6.3mm S to twist with the fingers, twist with the fingers 3+9*0.22 the outer lay pitch is 12.5mm S, the 3+9+15*0.22 lay pitch is that 18mm Z twists with the fingers, and the outer wrapping wire lay pitch of 3+9*0.22+15+0.15 is that 3.5mm S twists with the fingers; Its rupture pull force is 2700N, and line density is 8.5g/m, and diameter is 1.62mm, its shortcoming is: complex manufacturing, and core lay length is little, because heart yearn is that S twists with the fingers, outer wrapping wire is twisted with the fingers for Z again, outward around again for S twists with the fingers, makes to form point cantact between monofilament, fatigue behaviour and lifting capacity low, due to four step rule produce, the lay pitch is little again, production efficiency is low, production cost is high, is used in carcass, can not adapt to the environment overloaded and road conditions are poor.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of all-steel load-bearing radial tire carcass all-steel cord, contact between its monofilament is linear contact lay, significantly improve the rupture pull force of all-steel cord, improve fatigue performance and the load carrying behaviour of this all-steel cord, make tire conformability under road conditions adverse circumstances better, improve the service life of tire.
For solving the problem, the technical scheme that the utility model adopts is as follows:
All-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament and outer monofilament to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament and is formed, described internal layer monofilament is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, and described outer monofilament is 15, evenly compiles and twists with the fingers on core stock, described middle monofilament is equilateral triangle distribution, and described middle monofilament, internal layer monofilament are twisted with the fingers to identical with outer monofilament.
Preferably, the steel wire monofilament of described middle monofilament, internal layer monofilament and outer monofilament to be phosphorus content be 0.80-0.82%.
Preferably, described middle monofilament, internal layer monofilament and outer monofilament are twisted with the fingers and are twisted with the fingers to being Z.
Preferably, described middle monofilament is identical with the internal layer monofilament lay pitch, different with the outer monofilament lay pitch.
Preferably, described middle monofilament and the internal layer monofilament lay pitch are 12-13mm, and the described outer monofilament lay pitch is 17-19mm.
Preferably, described middle monofilament, internal layer monofilament and outer filament diameter are 0.225mm.
The preparation technology of all-steel load-bearing radial tire carcass all-steel cord, comprises step:
1) material prepares: monofilament, internal layer monofilament and outer monofilament in the middle of preparing, the steel wire monofilament of described middle monofilament, internal layer monofilament and outer monofilament to be phosphorus content be 0.80-0.82%;
2) core stock preparation: 3 middle monofilament are compiled while being twisted as heart yearn, 9 internal layer monofilament evenly being compiled sth. made by twisting and form core stock on heart yearn, twisting with the fingers to twisting with the fingers to identical with middle monofilament; Described middle monofilament is equilateral triangle distribution;
3) compile be twisted type: 15 outer monofilament are evenly compiled twist with the fingers on core stock, twist with the fingers to step 2) in the middle of monofilament twist with the fingers to identical; Obtain described all-steel load-bearing radial tire carcass all-steel cord.
Further, described step 2) in the middle of the monofilament lay pitch and the internal layer monofilament lay pitch be 12-13mm, step 3) the ectomesoderm monofilament lay pitch is 17-19mm.
Further, described step 1) in the middle of monofilament, internal layer monofilament and outer filament diameter be 0.225mm.
Compared to existing technology, the beneficial effects of the utility model are: all-steel load-bearing radial tire carcass all-steel cord in the utility model, filament diameter 0.225mm, core stock is with lay pitch 12-13mm disposal molding, the outer lay pitch is wrapped on core stock with the winding spacing of 17-19mm equably, cancel outer wrapping wire to produce, twist with the fingers to the identical sth. made by twisting of employing to twisting for three layers, adopt high strength raw material, its processing technology is simple, production efficiency improves, reduce the production cost of all-steel cord, contact between monofilament is linear contact lay, rupture pull force can reach 3120N, significantly improve the rupture pull force of all-steel cord, improve fatigue performance and the load carrying behaviour of this all-steel cord, result of the test shows that tire conformability under overload or road conditions adverse circumstances is better, improve the service life of tire.
Accompanying drawing explanation
Fig. 1 is all-steel load-bearing radial tire carcass all-steel cord schematic cross-section in the utility model;
Wherein, 1 is middle monofilament, and 2 is internal layer monofilament, and 3 is outer monofilament.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, all-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament 2 and outer monofilament 3 to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament 1 and is formed, and internal layer monofilament 2 is 9, evenly compiles to twist with the fingers on heart yearn, form core stock, outer monofilament 3 is 15, even volume is twisted with the fingers on core stock, and the distribution in equilateral triangle of middle monofilament 1, middle monofilament 1, internal layer monofilament 2 are twisted with the fingers to identical with outer monofilament 3.
Embodiment 1
All-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament 2 and outer monofilament 3 to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament 1 and is formed, internal layer monofilament 2 is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, and outer monofilament 3 is 15, evenly compiles and twists with the fingers on core stock, the distribution in equilateral triangle of middle monofilament 1, middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are twisted with the fingers and are twisted with the fingers to being Z; It is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.80%; Middle monofilament 1 and internal layer monofilament 2 lay pitch are 12mm, and outer monofilament 3 lay pitch is 17mm.
The preparation technology of above-mentioned all-steel load-bearing radial tire carcass all-steel cord, comprises step:
1) material prepares: monofilament 1, internal layer monofilament 2 and outer monofilament 3 in the middle of preparing, and it is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.80%;
2) core stock preparation: 3 middle monofilament 1 are compiled while being twisted as heart yearn, even for 9 internal layer monofilament 2 volume is twisted with the fingers form core stock on heart yearn, twist with the fingers and twist with the fingers to identical to middle monofilament 1, be Z sth. made by twisting; Middle monofilament 1 lay pitch and internal layer monofilament 2 lay pitch are 12mm;
3) volume is twisted type: evenly compiled by 15 outer monofilament 3 and twist with the fingers on core stock, the lay pitch is 17mm, twists with the fingers to being Z sth. made by twisting; Obtain described all-steel load-bearing radial tire carcass all-steel cord.
Embodiment 2
All-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament 2 and outer monofilament 3 to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament 1 and is formed, internal layer monofilament 2 is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, and outer monofilament 3 is 15, evenly compiles and twists with the fingers on core stock, the distribution in equilateral triangle of middle monofilament 1, middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are twisted with the fingers and are twisted with the fingers to being S; It is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.82%; Middle monofilament 1 and internal layer monofilament 2 lay pitch are 13mm, and outer monofilament 3 lay pitch is 19mm.
The preparation technology of above-mentioned all-steel load-bearing radial tire carcass all-steel cord, comprises step:
1) material prepares: monofilament 1, internal layer monofilament 2 and outer monofilament 3 in the middle of preparing, and it is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.82%;
2) core stock preparation: 3 middle monofilament 1 are compiled while being twisted as heart yearn, even for 9 internal layer monofilament 2 volume is twisted with the fingers form core stock on heart yearn, twist with the fingers and twist with the fingers to identical to middle monofilament 1, be S sth. made by twisting; Middle monofilament 1 lay pitch and internal layer monofilament 2 lay pitch are 13mm;
3) volume is twisted type: evenly compiled by 15 outer monofilament 3 and twist with the fingers on core stock, the lay pitch is 19mm, twists with the fingers to being S sth. made by twisting; Obtain described all-steel load-bearing radial tire carcass all-steel cord.
Embodiment 3
All-steel load-bearing radial tire carcass all-steel cord, compile sth. made by twisting by heart yearn, internal layer monofilament 2 and outer monofilament 3 to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament 1 and is formed, internal layer monofilament 2 is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, and outer monofilament 3 is 15, evenly compiles and twists with the fingers on core stock, the distribution in equilateral triangle of middle monofilament 1, middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are twisted with the fingers and are twisted with the fingers to being Z; It is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.82%; Middle monofilament 1 and internal layer monofilament 2 lay pitch are 12.5mm, and outer monofilament 3 lay pitch is 18mm.
The preparation technology of above-mentioned all-steel load-bearing radial tire carcass all-steel cord, comprises step:
1) material prepares: monofilament 1, internal layer monofilament 2 and outer monofilament 3 in the middle of preparing, and it is 0.225mm that middle monofilament 1, internal layer monofilament 2 and outer monofilament 3 are diameter, and phosphorus content is the steel wire monofilament of 0.82%;
2) core stock preparation: 3 middle monofilament 1 are compiled while being twisted as heart yearn, even for 9 internal layer monofilament 2 volume is twisted with the fingers form core stock on heart yearn, twist with the fingers and twist with the fingers to identical to middle monofilament 1, be Z sth. made by twisting; Middle monofilament 1 lay pitch and internal layer monofilament 2 lay pitch are 12.5mm;
3) volume is twisted type: evenly compiled by 15 outer monofilament 3 and twist with the fingers on core stock, the lay pitch is 18mm, twists with the fingers to being Z sth. made by twisting; Obtain described all-steel load-bearing radial tire carcass all-steel cord.
Detect respectively all-steel load-bearing radial tire carcass all-steel cord in embodiment 1-3, contrast with 3+9+15*0.22+0.15 all-steel cord, data are as following table 1.
In table 1, embodiment 1-3, all-steel cord and 3+9+15*0.22+0.15 all-steel cord contrast
From upper table 1, in embodiment 1-3, all-steel cord is high relative to 3+9+15*0.22+0.15 all-steel cord line density, intensity is high, there is higher rupture pull force, and decrease sizing material use amount, improve fatigue performance and the load carrying behaviour of this all-steel cord, tire conformability under overload or road conditions adverse circumstances is better, improve the service life of tire, save cost.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (5)
1. all-steel load-bearing radial tire carcass all-steel cord, it is characterized in that, compile sth. made by twisting by heart yearn, internal layer monofilament (2) and outer monofilament (3) to form, described heart yearn is compiled sth. made by twisting by 3 middle monofilament (1) and is formed, described internal layer monofilament (2) is 9, even volume is twisted with the fingers on heart yearn, is formed core stock, described outer monofilament (3) is 15, even volume is twisted with the fingers on core stock, described middle monofilament (1) distributes in equilateral triangle, and described middle monofilament (1), internal layer monofilament (2) and outer monofilament (3) are twisted with the fingers to identical.
2. all-steel load-bearing radial tire carcass all-steel cord as claimed in claim 1, is characterized in that, described middle monofilament (1), internal layer monofilament (2) and outer monofilament (3) are twisted with the fingers and twisted with the fingers to being Z.
3. all-steel load-bearing radial tire carcass all-steel cord as claimed in claim 1, it is characterized in that, described middle monofilament (1) is identical with internal layer monofilament (2) lay pitch, different with outer monofilament (3) lay pitch.
4. all-steel load-bearing radial tire carcass all-steel cord as claimed in claim 3, it is characterized in that, described middle monofilament (1) and internal layer monofilament (2) lay pitch are 12-13mm, and described outer monofilament (3) lay pitch is 17-19mm.
5. the all-steel load-bearing radial tire carcass all-steel cord as described in any one of claim 1-4, is characterized in that, described middle monofilament (1), internal layer monofilament (2) and outer monofilament (3) diameter are 0.225mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669857.8U CN204401210U (en) | 2014-11-11 | 2014-11-11 | All-steel load-bearing radial tire carcass all-steel cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669857.8U CN204401210U (en) | 2014-11-11 | 2014-11-11 | All-steel load-bearing radial tire carcass all-steel cord |
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| Publication Number | Publication Date |
|---|---|
| CN204401210U true CN204401210U (en) | 2015-06-17 |
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| CN201420669857.8U Active CN204401210U (en) | 2014-11-11 | 2014-11-11 | All-steel load-bearing radial tire carcass all-steel cord |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372485A (en) * | 2014-11-11 | 2015-02-25 | 张家港市骏马钢帘线有限公司 | Steel cord for all-steel truck radical tire body and manufacturing technology of all-steel cord |
| CN110525129A (en) * | 2019-09-18 | 2019-12-03 | 湖北奥莱斯轮胎股份有限公司 | A kind of all-steel load-bearing radial tire carcass |
-
2014
- 2014-11-11 CN CN201420669857.8U patent/CN204401210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372485A (en) * | 2014-11-11 | 2015-02-25 | 张家港市骏马钢帘线有限公司 | Steel cord for all-steel truck radical tire body and manufacturing technology of all-steel cord |
| CN110525129A (en) * | 2019-09-18 | 2019-12-03 | 湖北奥莱斯轮胎股份有限公司 | A kind of all-steel load-bearing radial tire carcass |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |