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 PDFInfo
- 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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- Prior art keywords
- steel
- strand
- core
- wire
- steel wires
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 156
- 239000010959 steel Substances 0.000 title claims abstract description 156
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000003491 array Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004073 vulcanization Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012946 outsourcing Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- D07B2201/2023—Strands with core
-
- 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
- D07B2201/2036—Strands characterised by the use of different wires or filaments
- D07B2201/2037—Strands characterised by the use of different wires or filaments regarding the dimension of the wires or filaments
-
- 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
- D07B2201/2038—Strands characterised by the number of wires or filaments
- D07B2201/2039—Strands characterised by the number of wires or filaments three to eight wires or filaments respectively forming a single layer
Landscapes
- Ropes Or Cables (AREA)
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
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.
Priority Applications (2)
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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CN109338768A true CN109338768A (en) | 2019-02-15 |
CN109338768B CN109338768B (en) | 2023-11-24 |
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CN201811467879.5A Active CN109338768B (en) | 2018-12-03 | 2018-12-03 | High-permeability steel cord with 2+2+8×N structure |
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Cited By (1)
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)
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---|---|---|---|---|
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 |
-
2018
- 2018-12-03 CN CN201811467879.5A patent/CN109338768B/en active Active
Patent Citations (10)
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)
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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