CN209941378U - High-strength and high-elongation steel wire rope for aramid fiber rope core conveying belt - Google Patents
High-strength and high-elongation steel wire rope for aramid fiber rope core conveying belt Download PDFInfo
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- CN209941378U CN209941378U CN201920544424.2U CN201920544424U CN209941378U CN 209941378 U CN209941378 U CN 209941378U CN 201920544424 U CN201920544424 U CN 201920544424U CN 209941378 U CN209941378 U CN 209941378U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 52
- 239000004760 aramid Substances 0.000 claims description 39
- 229920003235 aromatic polyamide Polymers 0.000 claims description 39
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 19
- 239000011701 zinc Substances 0.000 claims description 19
- 229910052725 zinc Inorganic materials 0.000 claims description 19
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- -1 benzene formyl diamine Chemical class 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 229920002994 synthetic fiber Polymers 0.000 abstract description 3
- 239000012209 synthetic fiber Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract description 2
- 239000003365 glass fiber Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005246 galvanizing Methods 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 5
- 238000005271 boronizing Methods 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229920006293 Polyphenylene terephthalamide Polymers 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a high strength, aramid fiber rope core wire rope for conveyer belt of high extension adopts the aramid fiber rope as the core rope, aramid fiber is called poly benzene two benzene formyl diamine entirely, is a novel high-tech synthetic fiber, has super strength, high-modulus and high temperature resistant, acid and alkali resistant, good performance such as light in weight, its intensity is 5-6 times of steel wire, the modulus is 2 ~ 3 times of steel wire or glass fiber, toughness is 2 times of steel wire, and weight only is about 1/5 of steel wire, under 560 ℃ of temperature, do not decompose, do not melt. The steel wire rope has good insulativity and ageing resistance, has a long life cycle, has higher elongation and lighter linear density than a metal strand core steel wire rope and higher strength when the aramid fiber rope core is used as the steel wire rope of the conveyer belt under the conditions of same breaking force, rubber bonding strength and rubber permeability, and improves the application range of the conveyer belt.
Description
Technical Field
The utility model relates to a aramid fiber rope core wire rope for conveyer belt of high strength, high extension belongs to wire rope technical field.
Background
The conveying belt is a main part of a belt conveyor and is mainly used for large-scale continuous conveying in the fields of coal, mining, metallurgy, chemical industry, building and the like.
The conveyer belt is used as a traction and carrying component of a belt conveyer, the conveyer belt is usually made of steel wire ropes with steel wire strand cores, and the conveyer belt produced by the steel wire ropes with the steel wire strand cores has the characteristics of strong impact resistance, small use elongation, high-speed transmission and the like. However, under some special environmental conditions, the conveyor belt is required to have high strength and high elongation, but the conveyor belt produced by the steel wire rope of the strand core cannot achieve high strength and simultaneously has high elongation, and further the application range of the conveyor belt is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a high strength that has higher elongation and lower linear density, aramid fiber rope core wire rope for conveyer belt of high extension.
The purpose of the utility model is realized like this:
a steel wire rope for a high-strength and high-elongation aramid rope core conveying belt is formed by twisting an intermediate aramid rope core and a plurality of outer steel wire rope strands, wherein the aramid rope core is twisted by aramid filaments, a rubber layer is formed on the surface of the aramid rope core, the twisting directions of the aramid rope core and the steel wire rope strands are consistent, a zinc coating is arranged on the surface of each steel wire of the steel wire rope strands, the steel wire rope strands are twisted by a plurality of zinc-coated steel wires, and the central aramid rope core is twisted and combined by a plurality of outer steel wire strands to form the zinc-coated aramid rope core steel wire rope.
The steel wire rope strand of the outer layer is of a 1x 7 structure, a 1x 19 structure or a 1x 19W structure, and the number of the outer layer strands is 5-8.
When the steel wire strands of the outer layer are in a 1x 7 structure, the structure of each steel wire strand is 1-6, six steel wire strands are twisted with the aramid core at the center to form the galvanized aramid core steel wire rope with a 6x 7-DAFC structure.
The aramid rope core has the structure of 3x3, 4x3/5x2, 4x3/5x3, 4x5/5x4, 5x3/5x5, 6x3/11x3, 6x3, 7x3 or 8x 3.
The aramid fiber rope core is of a 4x5 structure, and is formed by primarily twisting four aramid fiber filaments into strands and secondarily twisting five primarily twisted strands into the aramid fiber rope core.
The diameter of the aramid fiber rope core with the lay length of less than or equal to 4.5 times, the diameter tolerance of 0 to +3 percent and the official moisture regain of the aramid fiber filament less than or equal to 3.5 percent.
Compared with the prior art, the beneficial effects of the utility model are that:
this high strength, aramid fiber rope core wire rope for conveyer belt of high extension adopts aramid fiber rope as the core rope, and aramid fiber is called poly benzene two benzene formyl diamine entirely, is a novel high-tech synthetic fiber, has super high strength, high modulus and high temperature resistant, acid and alkali resistant, fine performance such as light in weight, and its intensity is 5-6 times of steel wire, and the modulus is 2 ~ 3 times of steel wire or glass fiber, and toughness is 2 times of steel wire, and weight is only about 1/5 of steel wire, under 560 ℃ of temperature, does not decompose, does not melt. The steel wire rope has good insulativity and ageing resistance, has a long life cycle, has higher elongation and lighter linear density than a metal strand core steel wire rope and higher strength when the aramid fiber rope core is used as the steel wire rope of the conveyer belt under the conditions of same breaking force, rubber bonding strength and rubber permeability, and improves the application range of the conveyer belt.
Drawings
FIG. 1 is a schematic view of a high-strength and high-elongation steel wire rope for a conveyor belt according to the present invention, which has a 6X 7-DAFC (Dipped aramid fiber core) structure.
Fig. 2 is a relation diagram of the aramid cord core and the rubber layer in fig. 1.
Fig. 3 is a diagram of the relationship of the individual wires of the wire strand of fig. 1 to the zinc coating.
Wherein: aramid fiber rope core 1, steel wire rope strand 2, rubber layer 3 and zinc coating 4.
Detailed Description
Referring to fig. 1 to 3, the present invention relates to a high-strength and high-elongation steel wire rope for a conveyor belt, which is preferably of a 6 × 7-DAFC (impregnated aramid fiber core) structure, wherein the DAFC is a dipped aramid core 1, and the 6 × 7 is an outer steel wire strand 2.
The aramid fiber rope core 1 is formed by twisting high-strength aramid fiber filaments, the aramid fiber rope core 1 is preferably of a 4x5 structure, four aramid fiber filaments are primarily twisted into strands, five primarily twisted strands are secondarily twisted into the aramid fiber rope core 1, in order to ensure the adhesive property of the aramid fiber rope core 1 and rubber, the aramid fiber rope core 1 needs to be subjected to gum dipping treatment before use, and therefore a layer of rubber layer 3 is formed on the surface of the aramid fiber rope core 1.
The aramid fiber is fully called poly phenylene terephthalamide, and adopts novel high-tech synthetic fiber consisting of linear macromolecules formed by connecting amide groups with benzene ring para-positions, and the aramid fiber rope core 1 can adopt different structures such as 3x3, 4x3/5x2, 4x3/5x3, 4x5/5x4, 5x3/5x5, 6x3/11x3, 6x3, 7x3, 8x3 and the like according to different specifications. The twisting direction of the aramid fiber rope core 1 is ZS or SZ (twisting direction of primary twisting and secondary twisting), the aramid fiber rope core is selected according to the twisting direction of the peripheral steel wire rope strands 2 when in use, the secondary twisting direction is consistent with the twisting direction of the steel wire rope strands 2, the twisting distance of the aramid fiber rope core 1 is not more than 4.5 times of the diameter of the aramid fiber rope core, the diameter tolerance is 0 to +3 percent, and the official moisture regain of the aramid fiber filament is not more than 3.5 percent.
The outer layer of the steel wire rope strands 2 can be of a 1 × 7 structure, a 1 × 19 structure or a 1 × 19W structure, when the steel wire rope strands 2 are of the 1 × 7 structure, each steel wire surface of the steel wire rope strands 2 is provided with a zinc coating 4, the steel wire rope strands 2 are outer layer steel wire strands formed by twisting six outer layer zinc-coated steel wires around a central zinc-coated steel wire, and the six outer layer steel wire strands are twisted around the central aramid rope core 1 to form the zinc-coated aramid rope core steel wire rope of the 6 × 7-dafc (compacted aramid fiber core) structure.
The utility model relates to a steel wire rope's for conveyer belt production technology of high strength, high extension, its process steps are:
1) selecting a wire rod with the diameter of 5.50mm or 6.5mm, wherein the wire rod comprises 0.70-0.85% of carbon, 0.30-0.80% of manganese, 0.10-0.30% of silicon, 0.30% of sulfur and 0.30% of phosphorus by weight;
2) pickling and boronizing the wire rod, carrying out concentrated pickling and rinsing drying on the wire rod, carrying out weak boronizing, and removing impurities and oxides on the surface of the wire rod;
3) carrying out multiple times of rough drawing on the acid-washed boronized wire rod by adopting a wire drawing machine;
4) carrying out heat treatment on the drawn steel wire to eliminate the first work hardening and carrying out heat treatment for the next drawing, wherein the heat treatment process comprises the following steps: the steel wire is heated at 950-980 ℃ and the lead bath quenching temperature is 530-560 ℃, so that the structure of the steel wire is converted into sorbite, and the strength reaches 1100-1300 MPa;
5) hot galvanizing, the hot dip galvanizing is carried out on the semi-finished steel wire after the heat treatment, so that the semi-finished steel wire has a uniform and bright layer and a zinc layer with a certain thickness, and the hot galvanizing process comprises the following steps: the temperature of the zinc bath is 440-460 ℃, so that the weight of a zinc layer of the hot-dip galvanized steel wire reaches 80d (d-diameter of the steel wire) g/m2The above;
6) adopting a wet drawing process to enable the weight of a zinc layer after hot galvanizing to reach 80d (d-steel wire diameter) g/m2Drawing the galvanized steel wire with the strength of 1100-1300 MPa to the diameter required by the steel wire for rope making;
7-1) stranding aramid fiber rope cores: according to the selected aramid rope core structure, firstly twisting aramid filaments into strands, then re-twisting the twisted aramid filament strands into aramid rope cores, and then performing gum dipping treatment on the aramid rope cores;
7-2) outer layer steel wire stranding: twisting galvanized rope-making steel wires into a steel wire strand according to a steel wire strand structure, wherein the lay length of the outer layer steel wires of the strand is not more than 17 times of the strand diameter;
8) rope combination: and twisting a certain number of outer layer steel wire strands around the gum dipping aramid cord core to form a rope according to the structure of the steel wire rope, thereby forming the galvanized aramid cord core steel wire rope. The lay length of the steel wire rope is 6.5-9.0 times of the diameter of the steel wire rope.
The analysis is carried out according to the specific example of the steel wire rope 6X 7-DAFC (compressed aramid fiber core) -4.5mm used for the conveyer belt, and the process steps are as follows:
1) selecting a wire rod with the diameter of 5.50mm, wherein the wire rod mainly comprises 0.78-0.85% of carbon, 0.30-0.80% of manganese, 0.10-0.30% of silicon, 0.03% of maximum sulfur and 0.03% of maximum phosphorus in percentage by weight;
2) pickling and boronizing the wire rod, carrying out concentrated pickling and rinsing drying on the wire rod, carrying out weak boronizing, and removing impurities and oxides on the surface of the wire rod;
3) roughly drawing the wire rod to 2.20mm by using a wire drawing machine, wherein the multi-pass drawing process comprises the following steps: 5.50 → 4.90 → 4.30 → 3.80 → 3.30 → 2.80 → 2.40 → 2.20, the drawing speed is 8 m/s;
4) carrying out heat treatment on the drawn steel wire to eliminate the first work hardening and carrying out heat treatment for the next drawing, wherein the heat treatment process comprises the following steps: the heating temperature of the steel wire is 950-980 ℃, the quenching temperature of the lead bath is 530-560 ℃, the linear speed of the steel wire in the heating furnace and the lead bath is 20m/min, the structure of the steel wire is converted into sorbite, and the strength reaches more than 1250 MPa;
5) hot galvanizing, the hot dip galvanizing is carried out on the semi-finished steel wire after the heat treatment, so that the semi-finished steel wire has a uniform and bright layer and a zinc layer with a certain thickness, and the hot galvanizing process comprises the following steps: the zinc bath temperature is 440-460 ℃, the linear speed of the steel wire in the zinc bath is 20m/min, and the weight of the zinc layer of the hot-dip galvanized steel wire rope reaches 180g/m2；
6) Adopting wet-drawing process to make the diameter of 2.20mm and zinc layer weight be up to 180g/m2And drawing the galvanized steel wire with the strength of more than 1250MPa to the rope-making steel wire with the diameter of 0.49mm and 0.55mm at the drawing speed of 500 m/min.
7-1) stranding aramid fiber rope cores: four aramid filaments are primarily twisted into strands, then five primarily twisted strands are secondarily twisted into 4 multiplied by 5 aramid rope cores, and then the aramid rope cores are subjected to gum dipping treatment.
7-2) outer layer steel wire stranding: the galvanized steel wire is twisted into a strand of 0.55+ 6X 0.49mm, the diameter of the central wire is 0.55mm, and the diameter of the outer wire is 0.49 mm.
8) Rope combination: and twisting the six steel wire strands around the gum dipping aramid fiber rope core once to form the galvanized aramid fiber rope core steel wire rope.
Compared with the traditional metal strand core steel wire rope, the high-strength and high-elongation steel wire rope for the conveyor belt has the following characteristics:
TABLE 1 comparison table of performances of aramid fiber rope core steel wire rope and metal strand core steel wire rope of 6x 7-DAFC
The high-strength and high-elongation conveyer belt adopts the aramid fiber rope core as the core rope, meets the use standard of the conveyer belt, and has higher elongation and lighter linear density than a metal rope core steel wire rope under the conditions of same breaking force, rubber bonding strength and rubber permeability, thereby improving the application range of the conveyer belt.
Claims (6)
1. The utility model provides a high strength, aramid fiber rope core wire rope for conveyer belt of high extension which characterized in that: the steel wire rope for the conveying belt is formed by twisting an aramid rope core (1) in the middle and a plurality of outer steel wire rope strands (2), wherein the aramid rope core (1) is twisted by aramid filaments, a rubber layer (3) is formed on the surface of the aramid rope core (1), the twisting directions of the aramid rope core (1) and the steel wire rope strands (2) are consistent, a zinc coating (4) is arranged on the surface of each steel wire of the steel wire rope strands (2), the steel wire rope strands (2) are twisted by a plurality of galvanized steel wires, and the aramid rope core (1) at the center is twisted by a plurality of outer steel wire strands to form the galvanized aramid rope core steel wire rope.
2. The high-strength and high-elongation steel wire rope for the aramid rope core conveyor belt according to claim 1, characterized in that: the steel wire rope strand (2) of the outer layer is of a 1x 7 structure, a 1x 19 structure or a 1x 19W structure, and the number of the outer layer rope strands is 5-8.
3. The high-strength and high-elongation steel wire rope for the aramid rope core conveyor belt according to claim 2, characterized in that: when the steel wire strands (2) on the outer layer are of a 1x 7 structure, the structure of each steel wire strand is 1-6, six steel wire strands are twisted with the aramid core (1) at the center to form the galvanized aramid core wire rope of a 6x 7-DAFC structure.
4. The high-strength and high-elongation steel wire rope for the aramid rope core conveyor belt according to claim 1, characterized in that: the aramid fiber rope core (1) has the structure of 3x3, 4x3/5x2, 4x3/5x3, 4x5/5x4, 5x3/5x5, 6x3/11x3, 6x3, 7x3 or 8x 3.
5. The high-strength and high-elongation steel wire rope for the aramid rope core conveyor belt according to claim 4, characterized in that: the aramid fiber rope core (1) is of a 4x5 structure, and is formed by twisting four aramid fiber filaments into strands at first and then twisting five aramid fiber filaments into the aramid fiber rope core (1) at second.
6. The high-strength high-elongation steel wire rope for the aramid rope core conveyor belt according to claim 4 or 5, characterized in that: the diameter of the aramid fiber rope core with the lay length of the aramid fiber rope core (1) being not more than 4.5 times, the diameter tolerance being 0 to +3 percent, and the official moisture regain of the aramid fiber filament being not more than 3.5 percent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544424.2U CN209941378U (en) | 2019-04-19 | 2019-04-19 | High-strength and high-elongation steel wire rope for aramid fiber rope core conveying belt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920544424.2U CN209941378U (en) | 2019-04-19 | 2019-04-19 | High-strength and high-elongation steel wire rope for aramid fiber rope core conveying belt |
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| CN209941378U true CN209941378U (en) | 2020-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535061A (en) * | 2020-04-16 | 2020-08-14 | 江苏亚盛金属制品有限公司 | High-wear-resistance and long-service-life steel wire rope special for crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535061A (en) * | 2020-04-16 | 2020-08-14 | 江苏亚盛金属制品有限公司 | High-wear-resistance and long-service-life steel wire rope special for crane |
| CN111535061B (en) * | 2020-04-16 | 2023-08-11 | 江苏亚盛金属制品有限公司 | High-wear-resistance and long-service-life steel wire rope special for crane |
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