CN209652636U - A kind of high fatigue durability steel cord - Google Patents
A kind of high fatigue durability steel cord Download PDFInfo
- Publication number
- CN209652636U CN209652636U CN201821847358.8U CN201821847358U CN209652636U CN 209652636 U CN209652636 U CN 209652636U CN 201821847358 U CN201821847358 U CN 201821847358U CN 209652636 U CN209652636 U CN 209652636U
- Authority
- CN
- China
- Prior art keywords
- wire
- steel
- wires
- cover
- roots
- 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.)
- Active
Links
Landscapes
- Ropes Or Cables (AREA)
- Tires In General (AREA)
Abstract
The utility model provides a kind of high fatigue durability steel cord, is formed by a middle core wire, six roots of sensation steel wire of internal layer, 12 middle layer steel wires and 12 cover wire primary twistings.Six roots of sensation steel wire of internal layer is distributed in middle core wire periphery, and 12 middle layer steel wires are distributed in six roots of sensation steel wire of internal layer periphery.12 cover wires are divided into six groups, with the gap of the first spacing between two cover wires in every group, six groups of cover wires are uniformly distributed in 12 middle layers steel wire periphery, with the gap of the second spacing between every two adjacent groups cover wire, and the second spacing is equal with the diameter of every cover wire.Middle core wire, six roots of sensation steel wire of internal layer, the orientation and the lay pitch of 12 middle layer steel wires and 12 cover wires are all the same.It can make the way of contact face contact between each layer steel wire by the utility model, not easy to wear and corrosion, and can be with uniform stressed between each steel wire.
Description
Technical field
The utility model relates to steel cord technical field more particularly to a kind of high fatigue durability steel cords.
Background technique
With the rapid development of the automotive industry, requirement of the people to radial is higher and higher, it is desirable that tire have compared with
High safety, longer service life and higher comfort.
All-steel load-bearing radial tire all improves a lot in terms of speed and load than the cross-ply of same specification, meridian
The distinctive structure of line wheel tire makes it, and heat is low, wear-resistant in the process of moving, greatly reduces various brought by damaged tyres
It is inconvenient.But since all-steel load-bearing radial tire is often used for the high use occasion carried of high speed, bear increasingly complex alternating download
Lotus, all-steel load-bearing radial tire more need have high-intensitive and stronger wearability, fatigue durability and impact resistance with steel cord.
Existing all-steel load-bearing radial tire is mainly 3+9+15+1 structure, steel cord core strand and outer layer with all-steel cord
Twisting mode between upper thread is ordinary lay, is point contact between adjacent two layers steel wire, steel cord is in long-term work by anti-
Multiple friction and mutually abrasion, moisture and moisture can along surface of tyre fine cracks or stab immersion tire steel cord, aggravate
The corrosion of cord, not only reduces the service life of steel cord, and is remarkably decreased its wearability and fatigue resistance.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of high fatigue durability steel cords, it is therefore an objective to solve all steel load
The problem of steel cord of radial tire is prone to wear and corrodes.
To achieve the above object, the utility model adopts the technical scheme that
The utility model relates to a kind of high fatigue durability steel cord, the high fatigue durability steel cord is by a core steel
Silk, six roots of sensation steel wire of internal layer, 12 middle layer steel wires and 12 cover wire primary twistings form；The six roots of sensation steel wire of internal layer point
It is distributed in the middle core wire periphery, and the external figure of the cross section of the six roots of sensation steel wire of internal layer is regular hexagon, described 12
Root middle layer steel wire is distributed in six roots of sensation steel wire of internal layer periphery, and the external figure of the cross section of 12 middle layer steel wires is
Regular hexagon；12 cover wires are divided into six groups, have the first spacing between two cover wires in every group
Gap, six groups of cover wires are uniformly distributed in 12 middle layers steel wire periphery, every two adjacent groups cover wire it
Between the gap with the second spacing, and second spacing is equal with the diameter of every cover wire；It is the middle core wire, described
Six roots of sensation steel wire of internal layer, the orientation of 12 middle layer steel wires and 12 cover wires and the lay pitch are all the same.
Preferably, the middle core wire, the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and it is described 12 it is outer
The orientation of layer steel wire is S orientation.
Preferably, the middle core wire, the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and it is described 12 it is outer
The orientation of layer steel wire is Z orientation.
Preferably, the diameter of the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and 12 cover wires
All the same and be denoted as first diameter, the core gauge of wire is denoted as second diameter, and the first diameter is straight with described second
Diameter is different.
Preferably, the second diameter is greater than the first diameter.
Preferably, the second diameter and the ratio of the first diameter are greater than 1 and less than 2.
Preferably, the range of the first diameter be 0.15 millimeter to 0.26 millimeter, this range include 0.15 millimeter and
0.26 millimeter.
Preferably, the middle core wire, the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and it is described 12 it is outer
Carbon containing percentage, copper percentage and the percentage containing zinc of layer steel wire are all the same, the range of the carbon containing percentage for 0.68% to
0.94%, the range of the copper percentage is 58% to 74%, and the range of the percentage containing zinc is 26% to 44%, above range
Comprising two endpoints in left and right.
Preferably, the middle core wire, the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and it is described 12 it is outer
The coating weight of every kilogram of steel wire of layer steel wire is all the same, and the range of the coating weight of every kilogram of steel wire is 3.3 grams to 6.0
Gram, this range includes 3.3 grams and 6.0 grams.
Compared with prior art, the orientation of all steel wires in the high fatigue durability steel cord of the utility model is identical, makes
Obtaining the way of contact between each layer steel wire is face contact, and the fatigue behaviour of surface contact structure is better than point contact structure and line contact knot
Structure, not easy to wear and corrosion, and can be with uniform stressed between each steel wire.Also, the steel cord of the utility model is being compressed
When the effect of power, each steel wire will not be expanded into caged, and ability of anti-deformation is stronger, because having larger between each group cover wire
Gap, so the permeability of rubber is stronger, rubber is also relatively strong to the mechanical anchor effect of steel cord.Further, since between each steel wire
Contact it is closer, the rigidity of steel cord is higher, and the sheet metal of outside tires is just difficult to penetrate steel cord in this case, can be with
It effectively prevent blowing out.
Detailed description of the invention
Fig. 1 is the overall schematic of the high fatigue durability steel cord of an embodiment of the present invention；
In figure: core wire in 1-；2- steel wire of internal layer；The middle layer 3- steel wire；4- cover wire；The first spacing of d1-；D2- second
Spacing.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment
Detailed description are as follows.
The utility model relates to a kind of high fatigue durability steel cord, high fatigue durability steel cord is by a middle core wire 1, six
2,12 4 primary twistings of middle layer steel wire 3 and 12 piece cover wire of root steel wire of internal layer form.
Six roots of sensation steel wire of internal layer 2 is distributed in middle 1 periphery of core wire, and the external figure of the cross section of six roots of sensation steel wire of internal layer 2 is
Regular hexagon, 12 middle layer steel wires 3 are distributed in 2 periphery of six roots of sensation steel wire of internal layer, and the cross section of 12 middle layer steel wires 3 is outer
Map interlinking shape is regular hexagon.The external figure in the cross section of regular hexagon can make steel cord more firm, be unlikely to deform, be also convenient for
The distribution of cover wire 4.
12 cover wires 4 are divided into six groups, with the first spacing d1 between two cover wires 4 in every group
Gap, six groups of cover wires 4 are uniformly distributed in 12 3 peripheries of middle layer steel wire, have the between every two adjacent groups cover wire 4
The gap of two spacing d2, and the second spacing d2 is equal with the diameter of every cover wire 4, it so can be empty in steel cord most external
Six biggish gaps out make rubber for tire be easier to uniformly penetrating into steel cord, increase the permeability of steel cord.It is preferred that
Ground, the first spacing d1 are 0.04 millimeter to 0.05 millimeter.
The orientation and the lay pitch of 2,12 middle core wire 1, six roots of sensation steel wire of internal layer middle layer steel wire 3 and 12 piece cover wires 4
It is all the same, it can so guarantee that the way of contact between each layer steel wire is face contact, not worn between each steel wire, extend steel
The service life of cord.During practical twisting, it can be used and put interior receipts formula double twisting device outside, put interior receipts formula double twisting device packet outside
The first noseplate, the second noseplate, third noseplate, the first line concentration nozzle, the second line concentration nozzle and third line concentration nozzle are included, from left to right
Put in order successively are as follows: the first noseplate, the first line concentration nozzle, the second noseplate, the second line concentration nozzle, third noseplate and third
Line concentration nozzle.Firstly, six roots of sensation steel wire of internal layer 2 to be uniformly distributed in the periphery of middle core wire 1, and by six roots of sensation steel wire of internal layer 2 and core
Steel wire 1 is arranged in the first noseplate, and the first line concentration nozzle collects six roots of sensation steel wire of internal layer 2 and middle core wire 1.Secondly, will
12 middle layer steel wires 3 are uniformly distributed in the periphery of six roots of sensation steel wire of internal layer 2, and by middle core wire 1, six roots of sensation steel wire of internal layer 2 and ten
Two middle layer steel wires 3 are arranged in the second noseplate, and the second line concentration nozzle will be in middle core wire 1, six roots of sensation steel wire of internal layer 2 and 12 piece
Layer steel wire 3 collects.Then, 12 cover wires 4 are divided into six groups, six groups of cover wires 4 are uniformly distributed in ten
Two 3 peripheries of middle layer steel wire, and there are the gaps of the second spacing d2 between every two adjacent groups cover wire 4, and by middle core wire
1,2,12 middle layer steel wire 3 and 12 piece cover wires 4 of six roots of sensation steel wire of internal layer are arranged in third noseplate, third line concentration nozzle
2,12 middle core wire 1, six roots of sensation steel wire of internal layer middle layer steel wire 3 and 12 piece cover wires 4 are collected.Finally, first
Line concentration nozzle, the second line concentration nozzle and third line concentration nozzle are simultaneously in the same direction and with the lay pitch by middle core wire 1, six roots of sensation steel wire of internal layer 2,12
Root middle layer steel wire 3 and 12 volumes of cover wire 4 twiddle.
In one embodiment, 2,12 middle core wire 1, six roots of sensation steel wire of internal layer middle layer steel wire 3 and 12 piece cover wires 4
Orientation be S orientation.In another embodiment, 2,12 middle core wire 1, six roots of sensation steel wire of internal layer middle layer steel wires 3 and 12
The orientation of root cover wire 4 is Z orientation.
Preferably, the diameter of 2,12 middle layer steel wire 3 and 12 piece cover wires 4 of six roots of sensation steel wire of internal layer is all the same and remembers
Diameter for first diameter, middle core wire 1 is denoted as second diameter, and first diameter is different from second diameter.Further, second is straight
Diameter is greater than first diameter.Further, second diameter and the ratio of first diameter are greater than 1 and less than 2.Due to middle core wire 1
Most important support function is played in the use process of steel cord, the diameter of middle core wire 1 should be larger than other steel wires, together
When in order to guarantee that six roots of sensation steel wire of internal layer 2 is distributed in middle 1 periphery of core wire at suitable intervals, so second diameter and first diameter
Ratio be greater than 1 and be best less than 2.
Preferably, the range of first diameter is 0.15 millimeter to 0.26 millimeter, this range includes 0.15 millimeter and 0.26 milli
Rice.
Preferably, middle core wire 1,2,12 middle layer steel wire 3 and 12 piece cover wires 4 of six roots of sensation steel wire of internal layer it is carbon containing
Percentage, copper percentage and percentage containing zinc are all the same, and the range of carbon containing percentage is 0.68% to 0.94%, copper percentage
Range be 58% to 74%, the range of the percentage containing zinc is 26% to 44%, and above range includes two endpoints in left and right.
Preferably, middle core wire 1,2,12 middle layer steel wire 3 and 12 piece cover wires 4 of six roots of sensation steel wire of internal layer every thousand
The coating weight of gram steel wire is all the same, and the range of the coating weight of every kilogram of steel wire is 3.3 grams to 6.0 grams, this range includes 3.3
Gram and 6.0 grams.
In a specific embodiment, second diameter is 0.20 millimeter, and first diameter is 0.175 millimeter, and the lay pitch is 10 millis
Rice, orientation are Z twirl, and the strength grade of all steel wires is superhigh intensity grade, and through detecting, the minimum Fracture Force of this steel cord is
2480N, times of fatigue are 18200 times, it can be seen that, the intensity of the steel cord of the utility model is larger, and fatigue durability is stronger.
Compared with prior art, the orientation of all steel wires in the high fatigue durability steel cord of the utility model is identical, makes
Obtaining the way of contact between each layer steel wire is face contact, and the fatigue behaviour of surface contact structure is better than point contact structure and line contact knot
Structure, not easy to wear and corrosion, and can be with uniform stressed between each steel wire.Also, the steel cord of the utility model is being compressed
When the effect of power, each steel wire will not be expanded into caged, and ability of anti-deformation is stronger, because having larger between each group cover wire
Gap, so the permeability of rubber is stronger, rubber is also relatively strong to the mechanical anchor effect of steel cord.Further, since between each steel wire
Contact it is closer, the rigidity of steel cord is higher, and the sheet metal of outside tires is just difficult to penetrate steel cord in this case, can be with
It effectively prevent blowing out.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (7)
1. a kind of high fatigue durability steel cord, it is characterised in that the high fatigue durability steel cord is by middle core wire, a six roots of sensation
Steel wire of internal layer, 12 middle layer steel wires and 12 cover wire primary twistings form；
The six roots of sensation steel wire of internal layer is distributed in the middle core wire periphery, and the outer map interlinking of the cross section of the six roots of sensation steel wire of internal layer
Shape is regular hexagon, and 12 middle layer steel wires are distributed in six roots of sensation steel wire of internal layer periphery, and 12 middle layer steel
The external figure of the cross section of silk is regular hexagon；
12 cover wires are divided into six groups, between the first spacing between two cover wires in every group
Gap, six groups of cover wires are uniformly distributed in 12 middle layers steel wire periphery, have between every two adjacent groups cover wire
There is the gap of the second spacing, and second spacing is equal with the diameter of every cover wire；
The middle core wire, the six roots of sensation steel wire of internal layer, 12 middle layer steel wires and 12 cover wires twirl
To all the same with the lay pitch.
2. a kind of high fatigue durability steel cord as described in claim 1, it is characterised in that in the middle core wire, the six roots of sensation
The orientation of layer steel wire, 12 middle layer steel wires and 12 cover wires is S orientation.
3. a kind of high fatigue durability steel cord as described in claim 1, it is characterised in that in the middle core wire, the six roots of sensation
The orientation of layer steel wire, 12 middle layer steel wires and 12 cover wires is Z orientation.
4. a kind of high fatigue durability steel cord as described in claim 1, it is characterised in that the six roots of sensation steel wire of internal layer, described ten
The diameter of two middle layer steel wires and 12 cover wires is all the same and is denoted as first diameter, the core gauge of wire
It is denoted as second diameter, the first diameter is different from the second diameter.
5. a kind of high fatigue durability steel cord as claimed in claim 4, it is characterised in that the second diameter is greater than described the
One diameter.
6. a kind of high fatigue durability steel cord as claimed in claim 5, it is characterised in that the second diameter and described first
The ratio of diameter is greater than 1 and less than 2.
7. a kind of high fatigue durability steel cord as described in claim 1, it is characterised in that the range of the first diameter is
0.15 millimeter to 0.26 millimeter, this range includes 0.15 millimeter and 0.26 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821847358.8U CN209652636U (en) | 2018-11-10 | 2018-11-10 | A kind of high fatigue durability steel cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821847358.8U CN209652636U (en) | 2018-11-10 | 2018-11-10 | A kind of high fatigue durability steel cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209652636U true CN209652636U (en) | 2019-11-19 |
Family
ID=68506429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821847358.8U Active CN209652636U (en) | 2018-11-10 | 2018-11-10 | A kind of high fatigue durability steel cord |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209652636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904551A (en) * | 2019-12-10 | 2020-03-24 | 江苏兴达钢帘线股份有限公司 | 1+ N + N + N structural steel cord |
-
2018
- 2018-11-10 CN CN201821847358.8U patent/CN209652636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904551A (en) * | 2019-12-10 | 2020-03-24 | 江苏兴达钢帘线股份有限公司 | 1+ N + N + N structural steel cord |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5883898B2 (en) | Steel cord for tire reinforcement and radial tire using the same | |
| CN209652636U (en) | A kind of high fatigue durability steel cord | |
| CN107685598B (en) | Braided steel wire belt ply structure and application thereof | |
| EP1344864A3 (en) | Steel cord, method of making the same and pneumatic tire including the same | |
| JP4633517B2 (en) | Steel cord and tire | |
| CN205368872U (en) | High -tensile steel wire cord | |
| CN102666972B (en) | Open muliti-strand cord | |
| CN101985815B (en) | Steel wire rope for nacelle and manufacturing method thereof | |
| CN103485216B (en) | There is the compound steel cord of 4+10+16 structure | |
| CN204978113U (en) | Tire bead core | |
| CN207987601U (en) | A kind of 27 bursts of steel cords of belt | |
| CN205223712U (en) | Super high -strength steel cord | |
| CN2755153Y (en) | Steel curtain wire | |
| JPH02154086A (en) | Steel cord for reinforcing rubber article and pneumatic radial tire | |
| JP2001000033U (en) | High tension cord | |
| CN201082939Y (en) | High-strength steel cord | |
| JP4633516B2 (en) | Steel cord and tire | |
| CN106436390A (en) | Composite asphalt-dipped parallelly-entwisted dense steel wire rope | |
| CN203462349U (en) | Three-layer steel cord with four-ten-sixteen combination structure | |
| CN2736403Y (en) | Twenty-one-strand steel cord | |
| CN205171069U (en) | Tire tire bead is steel cord for enhancement layer | |
| CN204401211U (en) | Load radial tire belt all-steel cord | |
| CN218951834U (en) | 3X (2+3) structure steel cord for all-steel radial tire | |
| CN201080116Y (en) | High-strength steel cord yarn enwound with steel wire | |
| CN217997652U (en) | 2+4 extra-high strength steel cord for tyre |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |