CN109295583A - A kind of high elongation rate all-steel cord of engineering tire belt - Google Patents
A kind of high elongation rate all-steel cord of engineering tire belt Download PDFInfo
- Publication number
- CN109295583A CN109295583A CN201811468664.5A CN201811468664A CN109295583A CN 109295583 A CN109295583 A CN 109295583A CN 201811468664 A CN201811468664 A CN 201811468664A CN 109295583 A CN109295583 A CN 109295583A
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- China
- Prior art keywords
- steel
- wire
- steel cord
- orientation
- lay pitch
- Prior art date
- 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.)
- Pending
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Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/48—Tyre cords
-
- 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
- D07B1/0613—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the rope configuration
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Tires In General (AREA)
- Ropes Or Cables (AREA)
Abstract
The present invention provides a kind of high elongation rate all-steel cord of engineering tire belt, it is compiled twisting by three steel strands and forms, and each steel strand by 3 core wire steel wires and around 3 core wire steel wires, twisted with the first orientation and the first lay pitch D1 volume by evenly arranged 9 upper thread steel wires；Three steel strands are arranged in equilateral triangle and are twisted with the second orientation and second lay pitch volume, and Formation cross-section is oblate all-steel cord；The core wire steel wire of first orientation steel strand identical with the second orientation and described is identical with upper thread gauge of wire；Second lay pitch is 1.8-2.3 times of first lay pitch.The monofilament steel wire diameter of the high elongation rate all-steel cord is thinner, and radical is more, and the flexibility of steel cord is good；The underload elongation of steel cord reaches 3.0% or more, and impact resistance is strong, puncture-resistant, light weight, and the lightweight requirements of tire are met while meeting performance requirement.
Description
Technical field
The present invention relates to tyre steel wire cord design and production technical fields, and in particular to a kind of engineering tire belt
High elongation rate all-steel cord.
Background technique
In recent years, the rapid growth for having benefited from China's economic and countries in the world are to the mineral resources demand such as coal, copper, iron
The increasingly increase of amount, Mining At Home And Abroad industry have obtained tremendous development, have pulled extractive industry to mining machinery and bulk transport vehicle
Demand, especially quarry tipper giant tire the market demand increase sharply；The building trade of China and mechanical row simultaneously
Industry also maintains very high development speed, and the increase of building trade and machinery industry leads to domestic centering small dimension construction mechanical wheel
The demand of tire increasingly increases, and the increase of off-the-road tyre demand has driven the development of downstream related industry, makes big specification
Tyre industry is further flourishing with all-steel cord industry.
The use environment of large-scale engineering machinery for mining industry often very severe, carrying quality is big, and impact strength is big,
Temperature and humidity conditions are poor, this just proposes very high requirement to tire quality.
Belt is the main stressed member of radial, and belt is for bearing periodically to stretch, be bent and cut
Cut equal distortional stresses.Belt plays an important role to the safety of tire, comfort, high speed performance and endurance quality, although
These performances are related with the severing angle of belt, width and cord density, but more close with the property relationship of steel cord
It cuts.Belt steel cord only has intensity with higher, higher strike-through, fatigue performance, can just help to improve band
The performance of beam layer, and then improve tire quality.
Currently, the tire of large-scale engineering machinery mostly uses the all-steel cord of (3+9+1) structure, internal layer has 3 steel wires, in
Interbed is evenly distributed with 9 steel wires, and outer layer winds a steel wire again, and the elongation of such all-steel cord is low, and the steel wire of outer layer winding is in
The orientation of the steel wire of interbed is easily damaged on the contrary, be in point contact between steel wire because of friction；9 steel wire arrangings of middle layer
Intensively, so that rubber is difficult to penetrate into 3 steel wires of internal layer, attached glue is insufficient to easily lead to external moisture and moisture infiltration steel
Silk cord causes all-steel cord to corrode and damage；The section of the all-steel cord of (3+9+1) structure is circle, forms the steel of cord
Silk filament diameter is larger, causes the thickness of all-steel cord larger, tire is heavier.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to propose to a kind of high elongation rate all-steel cord of engineering tire belt,
Solve the problems, such as that low current all-steel cord elongation, easy to damage, poor permeability and thickness are larger.
To achieve the object of the present invention, a kind of high elongation rate all-steel cord of engineering tire belt of the invention is by three
Steel strand is compiled twisting and is formed, and each steel strand is by 3 core wire steel wires and evenly arranged 9 faces around 3 core wire steel wires
Line steel wire is twisted with the first orientation and the first lay pitch D1 volume；Three steel strands are arranged in equilateral triangle with the second orientation and second
Lay pitch volume is twisted, and Formation cross-section is oblate all-steel cord；First orientation is identical with the second orientation and described
The core wire steel wire of steel strand is identical with upper thread gauge of wire；Second lay pitch is 1.8-2.3 times of first lay pitch.
Preferably, first orientation and the second orientation are that S is twisted.
Further preferably, identical second lay pitch D2 is first to the core wire steel wire of the all-steel cord with upper thread gauge of wire
2 times of lay pitch D1.
Further preferably, first lay pitch D1 is 4 ± 0.02 millimeters, and the second lay pitch D2 is 8 ± 0.05 millimeters.
Further preferably, the core wire steel wire of the all-steel cord and upper thread gauge of wire are 0.175 ± 0.005 millimeter.
Compared with prior art, the monofilament steel wire diameter of the high elongation rate all-steel cord of engineering tire belt of the invention
Relatively thin, radical is more, same volume steel wire weight saving, reduces Tire production cost and meets the lightweight requirements of tire；Steel
The mean break power of cord reaches 1600N, and underload elongation reaches 3.0% or more, the impact resistance of steel cord is strong, puncture-resistant,
Light weight meets the lightweight requirements of tire while meeting performance requirement.
Detailed description of the invention
Fig. 1 is the cross section structure signal of the high elongation rate all-steel cord of the engineering tire belt of one embodiment of the invention
Figure；
Fig. 2 is first lay pitch of one embodiment of the invention and the schematic diagram of second lay pitch.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Incorporated by reference to referring to Fig. 1 and Fig. 2, the high elongation rate all-steel cord 100 of engineering tire belt of the invention is by three
Steel strand 10 is compiled twisting and is formed, and each steel strand 10 is evenly arranged by 3 core wire steel wires 01 and around 3 core wire steel wires
9 upper thread steel wires 02 are twisted with the first orientation and the first lay pitch D1 volume；Three steel strands 10 are arranged in equilateral triangle with second
Orientation and second lay pitch volume are twisted, and Formation cross-section is oblate all-steel cord；First orientation and the second orientation phase
Together, and the core wire steel wire 01 of the steel strand 10 is identical with the diameter of upper thread steel wire 02；Second lay pitch is the first twirl
Away from 1.8-2.3 times.
In a preferred embodiment, first orientation and the second orientation are that S is twisted, and can so be made each
Contact between core wire wire 01 and upper thread steel wire 02 is that line contacts, and then can be to avoid more core wire steel wires 01 and Duo Gen
Upper thread steel wire 02 bent repeatedly when driving over long distances and occur loosen or be broken.There are more gap between steel strand,
Steel cord elongation index is improved, the infiltration of rubber is conducive to, moisture or salinity infiltration when can be so damaged to avoid tire
Into in all-steel cord, the corrosion of all-steel cord is avoided, extends the service life of tire.
In another preferred embodiment, the diameter phase of the core wire steel wire 01 of the all-steel cord and upper thread steel wire 02
With 2 times that the second lay pitch D2 is the first lay pitch D1；Further, the first lay pitch D1 is 4 ± 0.02 millimeters, and the second lay pitch D2 is 8
± 0.05 millimeter, all-steel cord made of this lay pitch has biggish elongation and stronger fatigue durability.
In another preferred embodiment, the core wire steel wire of the all-steel cord and upper thread gauge of wire are
0.175 ± 0.005 millimeter, the monofilament gauge of wire of steel cord is thinner, and radical is more, for the steel of the all-steel cord of same volume
Silk weight will mitigate, and reduce Tire production cost and meet the lightweight requirements of tire；In addition, in general, cord is thick
Spend identical, filament diameter more detailed rules and regulations monofilament radical is just more, when cord by bending when the opposite of steel wire slide just easier, curtain
The flexibility of line is just better.
Of the invention 3 × (3/9 × 0.175) HE structure high elongation rate all-steel cord, it is thinner by 36 filament diameters
Steel wire is combineeed volume twice and is twisted, and Formation cross-section is micro- oblate steel cord, is formed by two layers of steel strand twisting, steel wire curtain
The mean break power of line reaches 1600N, and steel wire diameter radicula number is more, and the flexibility of all-steel cord is good, and underload elongation reaches
3.0% or more, underload elongation is twice of existing product；There are more gap between the steel strand of steel cord, improve
Steel cord elongation index, is conducive to the infiltration of rubber, extends the service life of tire；Compile all-steel cord section made of twisting
For micro- oblateness, either zero degree squeezes out or can reduce cord thickness when rolling, and then reduces rubber material using quantity, meets wheel
The lightweight requirements of tire.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (5)
1. a kind of high elongation rate all-steel cord of engineering tire belt, which is characterized in that the all-steel cord is by three steel
Thread is compiled twisting and is formed, and each steel strand is by 3 core wire steel wires and evenly arranged 9 upper threads around 3 core wire steel wires
Steel wire is twisted with the first orientation and the first lay pitch D1 volume；Three steel strands are arranged in equilateral triangle and are twisted with the second orientation and second
It is twisted away from volume, Formation cross-section is oblate all-steel cord；First orientation steel identical with the second orientation and described
The core wire steel wire of thread is identical with upper thread gauge of wire；Second lay pitch is 1.8-2.3 times of first lay pitch.
2. a kind of high elongation rate all-steel cord of engineering tire belt as described in claim 1, which is characterized in that described
First orientation and the second orientation are that S is twisted.
3. a kind of high elongation rate all-steel cord of engineering tire belt as described in claim 1, which is characterized in that described
Identical second lay pitch D2 is 2 times of the first lay pitch D1 to the core wire steel wire of all-steel cord with upper thread gauge of wire.
4. a kind of high elongation rate all-steel cord of engineering tire belt as claimed in claim 2, which is characterized in that described
First lay pitch D1 is 4 ± 0.02 millimeters, and the second lay pitch D2 is 8 ± 0.05 millimeters.
5. a kind of high elongation rate all-steel cord of engineering tire belt as described in claim 1, which is characterized in that described
The core wire steel wire and upper thread gauge of wire of all-steel cord are 0.175 ± 0.005 millimeter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468664.5A CN109295583A (en) | 2018-12-03 | 2018-12-03 | A kind of high elongation rate all-steel cord of engineering tire belt |
| PCT/CN2018/120155 WO2020113607A1 (en) | 2018-12-03 | 2018-12-10 | High-elongation all-steel cord for engineering tire belted layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468664.5A CN109295583A (en) | 2018-12-03 | 2018-12-03 | A kind of high elongation rate all-steel cord of engineering tire belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109295583A true CN109295583A (en) | 2019-02-01 |
Family
ID=65142295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811468664.5A Pending CN109295583A (en) | 2018-12-03 | 2018-12-03 | A kind of high elongation rate all-steel cord of engineering tire belt |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109295583A (en) |
| WO (1) | WO2020113607A1 (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736403Y (en) * | 2004-08-09 | 2005-10-26 | 刘锦兰 | Twenty-one-strand steel cord |
| CN202017151U (en) * | 2011-01-26 | 2011-10-26 | 贝卡尔特公司 | A steel cord and a synchronous belt comprising the steel cord |
| CN102472001A (en) * | 2009-07-03 | 2012-05-23 | 米其林技术公司 | Multi-strand cord in which the basic strands are dual layer cords, rubberised in situ |
| CN103958770A (en) * | 2011-11-23 | 2014-07-30 | 米其林集团总公司 | Two-layered metal cord rubberised in situ by an unsaturated thermoplastic elastomer |
| CN203768562U (en) * | 2013-12-29 | 2014-08-13 | 江苏兴达钢帘线股份有限公司 | Open type steel cord for caterpillar band |
| CN205368872U (en) * | 2015-12-31 | 2016-07-06 | 江苏兴达钢帘线股份有限公司 | High -tensile steel wire cord |
| CN107580642A (en) * | 2015-02-19 | 2018-01-12 | 米其林集团总公司 | More strands cables for the 1xN structures of the protection reinforcement of tire |
| CN206941290U (en) * | 2017-01-19 | 2018-01-30 | 江苏兴达钢帘线股份有限公司 | It is a kind of improved（3+7）10 bursts of steel cords of structure |
| CN207079410U (en) * | 2017-04-01 | 2018-03-09 | 东台磊达钢帘线有限公司 | A kind of high drawing steel cord |
| CN207987601U (en) * | 2018-01-29 | 2018-10-19 | 江苏兴达钢帘线股份有限公司 | A kind of 27 bursts of steel cords of belt |
| CN208104864U (en) * | 2018-03-13 | 2018-11-16 | 浦林成山（青岛）工业研究设计有限公司 | A kind of three strands of all-steel cords of 3 × (1+6) structures |
| CN209178574U (en) * | 2018-12-03 | 2019-07-30 | 江苏兴达钢帘线股份有限公司 | A kind of high elongation rate all-steel cord of engineering tire belt |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280289A (en) * | 1997-02-07 | 1998-10-20 | Kanai Hiroaki | Steel cord for reinforcing rubber product and its production |
| JP4582672B2 (en) * | 1998-10-20 | 2010-11-17 | 株式会社ブリヂストン | Pneumatic tire |
| CN202543704U (en) * | 2012-02-17 | 2012-11-21 | 贝卡尔特公司 | Steel cord and synchronous belt comprising same |
| CN204551119U (en) * | 2015-01-04 | 2015-08-12 | 张家港市骏马钢帘线有限公司 | Meridian engineering tyre all-steel cord |
| 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 |
-
2018
- 2018-12-03 CN CN201811468664.5A patent/CN109295583A/en active Pending
- 2018-12-10 WO PCT/CN2018/120155 patent/WO2020113607A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736403Y (en) * | 2004-08-09 | 2005-10-26 | 刘锦兰 | Twenty-one-strand steel cord |
| CN102472001A (en) * | 2009-07-03 | 2012-05-23 | 米其林技术公司 | Multi-strand cord in which the basic strands are dual layer cords, rubberised in situ |
| CN202017151U (en) * | 2011-01-26 | 2011-10-26 | 贝卡尔特公司 | A steel cord and a synchronous belt comprising the steel cord |
| CN103958770A (en) * | 2011-11-23 | 2014-07-30 | 米其林集团总公司 | Two-layered metal cord rubberised in situ by an unsaturated thermoplastic elastomer |
| CN203768562U (en) * | 2013-12-29 | 2014-08-13 | 江苏兴达钢帘线股份有限公司 | Open type steel cord for caterpillar band |
| CN107580642A (en) * | 2015-02-19 | 2018-01-12 | 米其林集团总公司 | More strands cables for the 1xN structures of the protection reinforcement of tire |
| CN205368872U (en) * | 2015-12-31 | 2016-07-06 | 江苏兴达钢帘线股份有限公司 | High -tensile steel wire cord |
| CN206941290U (en) * | 2017-01-19 | 2018-01-30 | 江苏兴达钢帘线股份有限公司 | It is a kind of improved（3+7）10 bursts of steel cords of structure |
| CN207079410U (en) * | 2017-04-01 | 2018-03-09 | 东台磊达钢帘线有限公司 | A kind of high drawing steel cord |
| CN207987601U (en) * | 2018-01-29 | 2018-10-19 | 江苏兴达钢帘线股份有限公司 | A kind of 27 bursts of steel cords of belt |
| CN208104864U (en) * | 2018-03-13 | 2018-11-16 | 浦林成山（青岛）工业研究设计有限公司 | A kind of three strands of all-steel cords of 3 × (1+6) structures |
| CN209178574U (en) * | 2018-12-03 | 2019-07-30 | 江苏兴达钢帘线股份有限公司 | A kind of high elongation rate all-steel cord of engineering tire belt |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020113607A1 (en) | 2020-06-11 |
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