CN204939719U - A kind of steel cord - Google Patents
A kind of steel cord Download PDFInfo
- Publication number
- CN204939719U CN204939719U CN201520411849.8U CN201520411849U CN204939719U CN 204939719 U CN204939719 U CN 204939719U CN 201520411849 U CN201520411849 U CN 201520411849U CN 204939719 U CN204939719 U CN 204939719U
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- CN
- China
- Prior art keywords
- layer
- intermediate layer
- skin
- steel
- fingers
- 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.)
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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
- 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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2024—Strands twisted
- D07B2201/2029—Open winding
- D07B2201/203—Cylinder winding, i.e. S/Z or Z/S
Landscapes
- Ropes Or Cables (AREA)
- Tires In General (AREA)
Abstract
A kind of steel cord, by 4 layers totally 31 steel wires work out, be respectively core stock layer, intermediate layer, skin and outer winding layer from the inside to the outside; Described core stock layer is made up of 4 steel wires, and intermediate layer is made up of 10 steel wires, and skin is made up of 16 steel wires, and described outer winding layer refers to around the monofilament of on skin; Described core stock layer, intermediate layer are twisted with the fingers to identical, and described skin is twisted with the fingers to contrary with intermediate layer, and the sth. made by twisting of outer winding layer is to twisting with the fingers to contrary with skin; The core stock layer lay pitch is less than or equal to the intermediate layer lay pitch, and the intermediate layer lay pitch is less than or equal to the outer lay pitch; Steel wire diameter 0.15-0.30mm; The utility model because of steel wire radical many, can under equal cord diameter, reduce filament diameter, improve monofilament work hardening rate, and then improve cord strength and pliability, and steel cord has that intensity is high, fatigue behaviour good, bearing capacity is strong, stable performance, comfort level high, be applicable to the element of the reinforcing element of automobile tire, transport tape and various lifting rope.
Description
Technical field
The utility model relates to a kind of steel cord, is mainly used among automobile tire, as the reinforcing element of tire, also can be used among transport tape, and the element of various lifting rope.
Background technology
Plan according to national Ministry of Industry and Information, by 2015, the meridian rate of car tyre will reach 100%, and the meridian rate of heavy sevice type will reach 77%; Along with the quick raising of China's automobile tire meridian rate, the quantity of tire production manufacturing enterprise also gets more and more, and scale is also done larger and larger, maturity is also more and more higher, and accordingly, market competition is also more and more fierce, how to reduce manufacturing cost, also become the topic that each tire producer is inquired into jointly; Improve the intensity of steel cord, to reduce the consumption of steel cord, the use amount etc. reducing sizing material has been trend of the times.
Improve steel cord strength and have two kinds of modes: one is improve raw-material intensity, and two is improve steel wire compression ratio.Before then must improve purchase cost, therefore the inferior grade wire rod that cost is low is adopted to pass through to improve compression ratio, reduce filament diameter, the sandwich construction steel cord be processed into increasing wire of steel wire tire cord radical can not only keep under equal cord diameter even can reinforcing cord intensity, and cord carefully also can be made to keep good pliability because of filament diameter, thus improve the comfort level of tire.
Conventional multilayer is outer around product, is mostly 3+9+15+1 series, and this series structure is regular, evenly, closely, rubber permeability is very poor, very large to the Influence of Fatigue Properties of tire.
Summary of the invention
The purpose of this utility model is to provide a kind of steel cord, there is the features such as intensity is high, fatigue behaviour good, bearing capacity is strong, stable performance, comfortable safety, and it is applied widely, some conventional products used at present can be substituted, thus realize the efficiency improving tire enterprise, and reduce the use amount of steel cord product and sizing material, reach the final purpose reduced costs.
For achieving the above object, the technical solution of the utility model is:
A kind of steel cord, it is worked out by 4 layers of steel wire, comprises core stock layer, intermediate layer, skin and outer winding layer from the inside to the outside respectively; Described core stock layer is made up of 4 steel wires, and described intermediate layer is made up of 10 steel wires, and described skin is made up of 16 steel wires, and described outer winding layer refers to around the steel wire of 1 on described skin; Described core stock layer, intermediate layer are twisted with the fingers to identical, and described skin is twisted with the fingers to contrary with intermediate layer, and the sth. made by twisting of described outer winding layer is twisted with the fingers to contrary to skin.
Again, described steel cord core stock layer, intermediate layer, outer filament diameter are identical, are 0.15 ~ 0.30mm.
Further, the described core stock layer lay pitch is less than or equal to the described intermediate layer lay pitch, and the described intermediate layer lay pitch is less than or equal to the described outer lay pitch.
The utility model compared with prior art tool has the following advantages:
1. the utility model steel cord adopts 4+10+16+1 structure, the monofilament that more traditional 3+9+15+1 structural steel cord filament diameter is little can be selected, because adding compression ratio, monofilament rupture pull force is high, therefore, and the steel cord ratio of traditional structure, under identical cord diameter, there are higher rupture pull force and pliability, for improving bearing capacity and comfort level in tire.
2. the utility model steel cord adopts 4+10+16+1 structure, and its structure has more gap between layers compared with traditional structure steel cord, and therefore strike-through performance is good, can improve adhesion and the tire fatigue behaviour of cord and rubber further.
3. the utility model steel cord maintains the advantage of traditional 3+9+15+1 series, is linear contact lay between core stock layer and intermediate layer, thus is more conducive to the overall fatigue behaviour of steel cord, improves service life and the security performance of tire product.
4. the utility model steel cord intermediate layer and outer sth. made by twisting are on the contrary, avoid producing larger layer and reverse, prevent cord nose, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of the utility model steel cord one embodiment.
Detailed description of the invention
See Fig. 1, a kind of steel cord of the present utility model, it is worked out by 4 layers of steel wire, comprises core stock layer 1, intermediate layer 2, skin 3 and outer winding layer 4 from the inside to the outside respectively; Described core stock layer 1 is made up of 4 steel wires, and described intermediate layer 2 is made up of 10 steel wires, and described outer 3 are made up of 16 steel wires, and described outer winding layer 4 refers to around a steel wire on described outer 3; Described core stock layer 1, intermediate layer 2 are twisted with the fingers to identical, and the described steel wire of outer 3 is twisted with the fingers to contrary with intermediate layer 2, and the steel wire of described outer winding layer 4 is twisted with the fingers and twisted with the fingers to contrary to the steel wire of skin 3.
In the utility model, core stock layer 1 is 4 × 1 structures, and realize twisting processing by double twisting device or single twister, intermediate layer 2 is made up of 10 steel wires, twist with the fingers to twisting with the fingers to identical with core stock layer, complete twisting processing by double twisting device or single twister, outer 3 are made up of 16 steel wires, twist with the fingers to twisting with the fingers to contrary with intermediate layer, twisting processing is completed by double twisting device or single twister, outer winding layer 4 is made up of 1 steel wire, twists with the fingers to twisting with the fingers to contrary with skin, completes twisting processing by Wrapping machine.
Embodiment
Monofilament be drawn through overdrying by the wire rod of carbon content to be 0.72wt% diameter be 5.5mm, heat treatment, plating, wet the operation such as to draw after be drawn into the steel wire that diameter is 0.18mm.
Core stock layer is made up of 4 steel wires, is described as 4 × 0.18mm, and the lay pitch is 5mm, twists with the fingers and twists with the fingers to for S; Intermediate layer is made up of 10 steel wires, is described as 4+10 × 0.18mm, and the lay pitch is 10mm, twists with the fingers and twists with the fingers to for S; Skin is made up of 16 steel wires, and be described as 4+10+16 × 0.18mm, the lay pitch is 16mm, twists with the fingers to being Z sth. made by twisting; Outer winding layer is made up of 1 steel wire, and diameter is 0.15mm, is described as 4+10+16 × 0.18+0.15, and the lay pitch is 5mm, twists with the fingers and twists with the fingers to for S.
The low-intensity raw material that the utility model cost is low can produce the steel cord of high strength, for significantly reducing cost in tire, improves the fatigue performance of tire, strike-through performance and service life.
Claims (3)
1. a steel cord, is characterized in that, it is worked out by 4 layers of steel wire, comprises core stock layer, intermediate layer, skin and outer winding layer from the inside to the outside respectively; Described core stock layer is made up of 4 steel wires; Described intermediate layer is made up of 10 steel wires; Described skin is made up of 16 steel wires, and described outer winding layer refers to around the steel wire of 1 on described skin; Described core stock layer, intermediate layer are twisted with the fingers to identical, and described skin is twisted with the fingers and twisted with the fingers on the contrary to intermediate layer, and the sth. made by twisting of described outer winding layer is twisted with the fingers to contrary to skin.
2. steel cord as claimed in claim 1, is characterized in that, described core stock layer, intermediate layer, cover wire filament diameter are identical, and diameter is 0.15 ~ 0.30mm.
3. steel cord as claimed in claim 1 or 2, it is characterized in that, the described core stock layer lay pitch is less than or equal to the described intermediate layer lay pitch, and the described intermediate layer lay pitch is less than or equal to the described outer lay pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411849.8U CN204939719U (en) | 2015-06-15 | 2015-06-15 | A kind of steel cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411849.8U CN204939719U (en) | 2015-06-15 | 2015-06-15 | A kind of steel cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204939719U true CN204939719U (en) | 2016-01-06 |
Family
ID=55007161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520411849.8U Active CN204939719U (en) | 2015-06-15 | 2015-06-15 | A kind of steel cord |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204939719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109957865A (en) * | 2017-12-25 | 2019-07-02 | 贝卡尔特公司 | Steel cord |
-
2015
- 2015-06-15 CN CN201520411849.8U patent/CN204939719U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109957865A (en) * | 2017-12-25 | 2019-07-02 | 贝卡尔特公司 | Steel cord |
| CN109957865B (en) * | 2017-12-25 | 2023-03-24 | 贝卡尔特公司 | Steel cord |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |