CN109338768A - A kind of hypertonic colloidality energy all-steel cord of 2+2+8 × N structure - Google Patents

A kind of hypertonic colloidality energy all-steel cord of 2+2+8 × N structure Download PDF

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Publication number
CN109338768A
CN109338768A CN201811467879.5A CN201811467879A CN109338768A CN 109338768 A CN109338768 A CN 109338768A CN 201811467879 A CN201811467879 A CN 201811467879A CN 109338768 A CN109338768 A CN 109338768A
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CN
China
Prior art keywords
steel
strand
core
wire
steel wires
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Granted
Application number
CN201811467879.5A
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Chinese (zh)
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CN109338768B (en
Inventor
刘锦兰
张正裕
马卫铭
潘振国
曹恒祥
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Jiangsu Xingda Steel Tyre Cord Co Ltd
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Jiangsu Xingda Steel Tyre Cord Co Ltd
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Priority to CN201811467879.5A priority Critical patent/CN109338768B/en
Priority to PCT/CN2018/120153 priority patent/WO2020113605A1/en
Publication of CN109338768A publication Critical patent/CN109338768A/en
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Publication of CN109338768B publication Critical patent/CN109338768B/en
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Classifications

    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/06Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606Reinforcing cords for rubber or plastic articles
    • D07B1/062Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2015Strands
    • D07B2201/2023Strands with core
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2015Strands
    • D07B2201/2036Strands characterised by the use of different wires or filaments
    • D07B2201/2037Strands characterised by the use of different wires or filaments regarding the dimension of the wires or filaments
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2015Strands
    • D07B2201/2038Strands characterised by the number of wires or filaments
    • D07B2201/2039Strands characterised by the number of wires or filaments three to eight wires or filaments respectively forming a single layer

Abstract

The present invention proposes a kind of hypertonic colloidality energy all-steel cord of 2+2+8 × N structure, it includes that four core wire steel wires of central core compile core strand and the eight outer layer strand steel wires for being arranged in around core strand and compiling with it twirl that twirl is formed, core wire steel wire includes two first steel wires and two second steel wires, two first steel wires of central core first compile twirl, two second steel wires compile twirl around two first steel wires compiled after twisting again and form core strand, eight outer layer strand steel wires surround core strand twisting, and Formation cross-section is 12 strands of all-steel cords of ellipse.The central core core strand and cover wire of all-steel cord of the invention are twisted using volume in the same direction, increase the gap between core strand Covered with Angles silk and core strand steel wire, rubber flowing provides channel when for tyre vulcanization, enhance rubber to the anchorage effect of outer layer strand and core strand, prevent tire tyre failure caused by use process is because of intensity, adhesion problem, the corrosion resistance, bond properties and bonding retentivity for improving tire, improve the service life of tire.

Description

A kind of hypertonic colloidality energy all-steel cord of 2+2+8 × N structure
Technical field
The present invention relates to radial all-steel cord design and production technical field, in particular to a kind of 2+2+8 × N The hypertonic colloidality energy all-steel cord of structure.
Background technique
All-steel cord is the main framework material of vehicle radial, and the superiority and inferiority of quality directly affects making for tire Use the service life.All-steel cord is the main stressed member of radial, largely decides the intensity and inflation of tire Profile afterwards, all-steel cord only have enough strength and stiffness, the bearing capacity of tire, security performance, traveling it is comfortable Property can just be protected.With all-steel cord, commonly a kind of cord structure is 3+9 × 0.22W HT structure to radial, this It is arranged between the all-steel cord ectonexine of structure relatively closely, gap is smaller between each layer, and rubber cannot effectively penetrate into middle layer Steel wire, endurance and strike-through performance are bad, and Life of Tyre is short;Furthermore, it is contemplated that saving energy consumption, used meeting On the basis of performance, it is also necessary to the weight for reducing steel cord as far as possible mitigates the weight of tire, adapt to market lightweight, high quality, The demand of low cost.
Summary of the invention
For problem of the prior art, it is an object of the invention to provide having stable strike-through and high-durability, It can be used for belt and carcass reinforcement simultaneously, and a kind of steel cord of low cost of cord thickness can be reduced, be applied to High-performance and light-weighted radial.
To achieve the object of the present invention, the hypertonic colloidality energy all-steel cord of a kind of 2+2+8 × N structure of the invention, packet Four core wire steel wires for including central core, which are compiled, twists the core strand formed and eight outer layer strands for being arranged in around core strand and compiling with it twirl Steel wire, the core wire steel wire include two first steel wires and two second steel wires, two first steel wires of the central core It first compiles and twists, two second steel wires compile twirl around two first steel wires compiled after twisting again and form core strand, and eight outer layer strand steel wires surround Core strand twisting, Formation cross-section are 12 strands of all-steel cords of ellipse.
Preferably, eight outer layer strand steel wires of the all-steel cord are compiled as axle center using the core wire steel wire of core strand and are twisted, intermediate The orientation of first steel wire of layer and the second steel wire compile eight steel wires of orientation and outer layer strand twisted around the first steel wire and surround core strand It is identical to compile the orientation twisted.
Further preferably, the orientation is S twirl.
Further preferably, the orientation is Z twirl.
Further preferably, it is 14 ± 0.3mm, the second steel wire that the first steel wire of the core strand of the all-steel cord, which compiles the lay pitch twisted, It is 7 ± 0.15mm that the lay pitch twisted is compiled around the first steel wire;It is 14 ± 0.3mm that outer layer strand steel wire, which compiles the lay pitch twisted around core strand 10,.
Further preferably, four core wire steel wires of the all-steel cord and outer layer strand gauge of wire are identical.
Further preferably, the steel wire diameter is 0.215 ± 0.005mm.
Further preferably, in twisting, eight outer layer strand steel wires are around core strand close-packed arrays, in two steel wires of head and the tail Between formed strike-through channel.
Further preferably, in twisting eight outer layer strand steel wires be it is evenly distributed around the core strand, each adjacent Outer layer strand steel wire between be respectively formed strike-through channel.
The central core core strand and cover wire of the all-steel cord of the invention increase core strand outsourcing using twirl is compiled in the same direction The lay pitch between steel wire and core wire steel wire, improve central core core strand and outer layer strand steel wire intensity, increase core strand Covered with Angles silk with Gap between core strand steel wire, rubber flowing provides channel when for tyre vulcanization, enhances anchoring of the rubber to outer layer strand and core strand Effect, prevent tire tyre failure caused by use process is because of intensity, adhesion problem, improve tire corrosion resistance, Bond properties and bonding retentivity, improve the service life of tire.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, present invention objects, features and advantages above-mentioned and other will become Obviously.Wherein:
Fig. 1 show the cross section structure schematic diagram of the all-steel cord of existing 3+9 × N structure;
Fig. 2 show the cross section structure signal of the hypertonic colloidality energy all-steel cord of 2+2+8 × N structure of one embodiment of the invention Figure;
The cross section structure that Fig. 3 show the hypertonic colloidality energy all-steel cord of 2+2+8 × N structure of another embodiment of the present invention shows It is intended to;
Fig. 4 show the cross section structure signal formed after the hypertonic colloidality energy all-steel cord twisting of 2+2+8 × N structure of the invention Figure;
Fig. 5 show the cross section structure schematic diagram formed after the hypertonic colloidality energy all-steel cord twisting of 4+8 × N structure.
Specific embodiment
In conjunction with attached drawing hypertonic colloidality of the invention can all-steel cord design feature and advantage details are as follows.
It can 12 strands of all-steel cords referring to the hypertonic colloidality of 2+2+8 × N structure of one embodiment of the invention shown in Fig. 2 Cross section structure schematic diagram, 12 strands of all-steel cords include central core four core wire steel wires compile twist formed core strand 10 And eight outer layer strand steel wires 03 of twirl are arranged in around core strand and compile with it, the core wire steel wire includes two first steel wires 01 and two second steel wires 02, two first steel wires 01 of the central core first compile twirl, and two second steel wires 02 are twisted around compiling Two first steel wires 01 afterwards compile twirl again and form core strand 10, and eight outer layer strand steel wires 03 surround 10 twisting of core strand, and Formation cross-section is 12 strands of all-steel cords of ellipse.
In a preferable embodiment, the eight of hypertonic colloidality 12 strands of all-steel cords of energy of 2+2+8 × N structure Root outer layer strand steel wire 03 is that axle center is compiled and twisted with the core wire steel wire 01 and 02 of core strand 10, the orientation of the first steel wire 01 of middle layer and the Two steel wires 02 are identical around the orientation that eight steel wires 03 of orientation and outer layer strand that the first steel wire 01 compiles twirl are twisted around core strand volume, together It is twisted for S or Z is twisted.
In another preferable embodiment, the first steel wire of core strand 01 of the all-steel cord compile the lay pitch twisted be 14 ± 0.3mm, it is 7 ± 0.15mm that the second steel wire 02, which compiles the lay pitch twisted around the first steel wire,;Outer layer strand steel wire 03 is compiled around core strand 10 and is twisted The lay pitch be 14 ± 0.3mm.
In the present embodiment, the hypertonic colloidality of 2+2+8 × N structure can 12 strands of all-steel cords steel wire 01,02, 03 diameter is identical, and in a preferred embodiment, the steel wire diameter is 0.215 ± 0.005mm.
In the embodiment shown in Figure 2, in twisting, 8 outer layer strand steel wires 03 are around 10 close-packed arrays of core strand, in head It is formed between two steel wires of tail than wider strike-through channel 110;Alternatively, being also possible to another implementation of invention as shown in Figure 3 The cross section structure of example, 8 outer layer strand steel wires 03 be it is evenly distributed around the core strand 10, as follows in each adjacent outer layer strand steel Strike-through channel is respectively formed between silk 03;Both frame modes can reach relatively good strike-through effect.
The central core core strand of the all-steel cord of the present embodiment and cover wire are twisted using compiling in the same direction, improve central core core strand and The intensity of outer layer strand steel wire increases the gap between core strand Covered with Angles silk and core strand steel wire, and rubber flowing mentions when being tyre vulcanization For channel, enhances rubber to the anchorage effect of outer layer strand and core strand, prevent tire from leading in use process because of intensity, adhesion problem The tyre failure of cause improves the corrosion resistance, bond properties and bonding retentivity of tire, improves the service life of tire.
The performance detection comparison of the all-steel cord of 2+2+8 × 0.215ST and 3+9 × 0.22WHT structure of the invention is as follows Table 1:
The all-steel cord of the structure of 2+2+8 of the invention × 0.215 compares currently used 3+9 × 0.22 as can be seen from Table 1 The advantage of the all-steel cord of structure includes the following:
1) cord diameter is small by 16%;
2) twist-on-twist fatigue behaviour is high by 50%;
3) line density is small by 9%;
4) rubber osmosis rate 100:30;
5) fracture lines of force density is than high by 10%;
6) bonding force is high by 11%;
7) it is high by 10% to absorb function.
In addition, all-steel cord of the all-steel cord of 2+2+8 structure of the invention also different from 4+8 structure, although from section Seem about the same in structure, but has essential distinction: the core strand of the all-steel cord of 2+2+8 structure, respectively by two first Steel wire 01 first twists (see figure 4), and two second steel wires 02 are twisted core strand around two first steel wire 01 volumes;Core lay length 14/7, entirely Strike-through is without dead angle;As shown in Figure 5, the core strand of the all-steel cord of 4+8 structure is formed by four steel wire twistings, and core wire is easily formed 3+1 structure, rubber are not easy to infilter, at the same air infilter after can conduct inside whole cord, accelerate cord fatigue simultaneously shorten tire Service life.
The present invention by improve between core strand outsourcing steel wire and core wire steel wire the lay pitch and outsourcing steel wire and core wire steel wire it Between gap, the flowing of rubber provides channel when for tyre vulcanization, and the anchoring by rubber to core strand steel wire prevents tire from making With in the process because of all-steel cord and rubber for tire adhesion failure;The structure is twisted thread contact in the same direction simultaneously, and fatigue behaviour is good;Core wire list Silk intersects according to same direction twisting, between monofilament and non-intersecting segments mixes in cord length direction, long in cord in this way Spend direction, alternately intersected between monofilament appropriate by implementing, can make to be twisted together length homogenization between each monofilament, each monofilament it Between can uniform stressed;It allows between monofilament and intersects and because of the mutually winding limitation between the monofilament of cross section, in curtain When spool is acted on to compressive, monofilament, which is difficult to expand, becomes caged, can be improved Deformation Resistance;Because of intersecting filaments Between form gap, for external force such as the tension that is subject to when producing tire, the gap between monofilament can also be anchored, therefore can To realize stable strike-through;Intersecting between monofilament becomes difficult the movement of monofilament, and the monofilament compactedness of cord section improves, So that cord rigidity improves, even sheet metal is also more difficult in this case penetrates cord, so that it may effectively prevent taking turns The generation that tire is blown out.
The present invention is not limited to the described embodiments, and those skilled in the art is not departing from spirit of the invention i.e. public affairs Open in range, still may make some modifications or changes, thus the range that is limited with claims of the scope of the present invention as It is quasi-.

Claims (9)

1. the hypertonic colloidality of 2+2+8 × N structure a kind of can all-steel cord, which is characterized in that during the all-steel cord includes Four core wire steel wires of central layer, which are compiled, twists the core strand formed and the eight outer layer strand steel wires for being arranged in around core strand and compiling with it twirl, The core wire steel wire includes two first steel wires and two second steel wires, and two first steel wires of the central core are first compiled It twists, two second steel wires compile twirl around two first steel wires compiled after twisting again and form core strand, and eight outer layer strand steel wires surround core strand Twisting, Formation cross-section are 12 strands of all-steel cords of ellipse.
2. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as described in claim 1, which is characterized in that described All-steel cord eight outer layer strand steel wires using the core wire steel wire of core strand as axle center compile twist, the orientation of the first steel wire of middle layer with It is identical that second steel wire compiles the orientation that eight steel wires of orientation and outer layer strand twisted are twisted around core strand volume around the first steel wire.
3. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that described Orientation be S twist.
4. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that described Orientation be Z twist.
5. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that described All-steel cord core strand the first steel wire compile twist the lay pitch be 14 ± 0.3mm, the second steel wire around the first steel wire compile twist twirl Away from for 7 ± 0.15mm;It is 14 ± 0.3mm that outer layer strand steel wire, which compiles the lay pitch twisted around core strand 10,.
6. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that described All-steel cord four core wire steel wires and outer layer strand gauge of wire it is identical.
7. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 6, which is characterized in that described Steel wire diameter be 0.215 ± 0.005mm.
8. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that twisting Eight outer layer strand steel wires are to form strike-through channel between two steel wires of head and the tail around core strand close-packed arrays when processed.
9. a kind of all-steel cord of the hypertonic colloidality energy of 2+2+8 × N structure as claimed in claim 2, which is characterized in that twisting Eight outer layer strand steel wires are evenly distributed around core strand when processed, are respectively formed between each adjacent outer layer strand steel wire Strike-through channel.
CN201811467879.5A 2018-12-03 2018-12-03 High-permeability steel cord with 2+2+8×N structure Active CN109338768B (en)

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Application Number Priority Date Filing Date Title
CN201811467879.5A CN109338768B (en) 2018-12-03 2018-12-03 High-permeability steel cord with 2+2+8×N structure
PCT/CN2018/120153 WO2020113605A1 (en) 2018-12-03 2018-12-10 High-rubber penetration steel cord having 2+2+8×n structure

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CN201811467879.5A CN109338768B (en) 2018-12-03 2018-12-03 High-permeability steel cord with 2+2+8×N structure

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CN109338768B CN109338768B (en) 2023-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112779797A (en) * 2021-01-15 2021-05-11 江苏兴达钢帘线股份有限公司 Compact steel cord

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8808470D0 (en) * 1987-04-10 1988-05-11 Toyo Tire & Rubber Co Radial tire
EP0501720A1 (en) * 1991-02-25 1992-09-02 Bridgestone Corporation Rubber article-reinforcing steel cords and pneumatic tires using such steel cords
JPH08127986A (en) * 1994-10-27 1996-05-21 Tokyo Seiko Co Ltd Steel cord for reinforcing rubber and radial tire using the same
JP2005113323A (en) * 2003-10-08 2005-04-28 Sumitomo Rubber Ind Ltd Steel cord and pneumatic tire using the same
JP2005179859A (en) * 2003-12-22 2005-07-07 Bridgestone Corp Steel cord and pneumatic tire
CN104420378A (en) * 2013-09-06 2015-03-18 韩国轮胎株式会社 Tire-reinforcing steel cord and radial tire using the same
CN106351044A (en) * 2016-08-22 2017-01-25 江苏兴达钢帘线股份有限公司 Ten-strand all-steel cord of (3+9)+8*(1+6)+1 structure
CN106948058A (en) * 2017-04-01 2017-07-14 东台磊达钢帘线有限公司 Steel wire aramid fiber composite cord
CN206873178U (en) * 2017-04-01 2018-01-12 东台磊达钢帘线有限公司 A kind of high tensile wire cord
CN209975233U (en) * 2018-12-03 2020-01-21 江苏兴达钢帘线股份有限公司 High-permeability rubber performance steel wire cord with 2+2+8 XN structure

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8808470D0 (en) * 1987-04-10 1988-05-11 Toyo Tire & Rubber Co Radial tire
EP0501720A1 (en) * 1991-02-25 1992-09-02 Bridgestone Corporation Rubber article-reinforcing steel cords and pneumatic tires using such steel cords
JPH08127986A (en) * 1994-10-27 1996-05-21 Tokyo Seiko Co Ltd Steel cord for reinforcing rubber and radial tire using the same
JP2005113323A (en) * 2003-10-08 2005-04-28 Sumitomo Rubber Ind Ltd Steel cord and pneumatic tire using the same
JP2005179859A (en) * 2003-12-22 2005-07-07 Bridgestone Corp Steel cord and pneumatic tire
CN104420378A (en) * 2013-09-06 2015-03-18 韩国轮胎株式会社 Tire-reinforcing steel cord and radial tire using the same
CN106351044A (en) * 2016-08-22 2017-01-25 江苏兴达钢帘线股份有限公司 Ten-strand all-steel cord of (3+9)+8*(1+6)+1 structure
CN106948058A (en) * 2017-04-01 2017-07-14 东台磊达钢帘线有限公司 Steel wire aramid fiber composite cord
CN206873178U (en) * 2017-04-01 2018-01-12 东台磊达钢帘线有限公司 A kind of high tensile wire cord
CN209975233U (en) * 2018-12-03 2020-01-21 江苏兴达钢帘线股份有限公司 High-permeability rubber performance steel wire cord with 2+2+8 XN structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112779797A (en) * 2021-01-15 2021-05-11 江苏兴达钢帘线股份有限公司 Compact steel cord

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