CN113789677A - High zinc-loading wire contact steel wire rope and production process thereof - Google Patents
High zinc-loading wire contact steel wire rope and production process thereof Download PDFInfo
- Publication number
- CN113789677A CN113789677A CN202111000675.2A CN202111000675A CN113789677A CN 113789677 A CN113789677 A CN 113789677A CN 202111000675 A CN202111000675 A CN 202111000675A CN 113789677 A CN113789677 A CN 113789677A
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- rope
- steel wire
- wire
- steel
- outer layer
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- 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
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3085—Alloys, i.e. non ferrous
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/2025—Environmental resistance avoiding corrosion
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2055—Improving load capacity
Abstract
A high zinc-content line contact wire rope and its production process, the wire rope is by six outer layer strands around a metal rope core, is twisted by 163 steel wires altogether, the nominal diameter is 12.0 mm; the metal rope core is in a 6X7+ IWS point contact structure, and the outer layer strand is in a 1X19S line contact structure; the raw material of the cold-drawn steel wire for the rope-making production process adopts a secondary back plating mode during hot galvanizing, the speed of the hot galvanizing is well controlled, and a nylon wire pressing tile is selected during stranding and rope twisting, so that the loss of a zinc layer is reduced, the technical problem that the weight of the zinc layer of a small-specification wire-contact steel wire rope cannot meet the requirement is solved, and the corrosion resistance of the small-specification wire-contact steel wire rope can be effectively improved.
Description
Technical Field
The invention relates to a high zinc-loading wire contact steel wire rope and a production process thereof, belonging to the technical field of metal product manufacturing.
Background
The galvanized steel wire rope is widely applied to various national economy fields such as marine petrochemical industry, bridge engineering construction, traffic facility construction and the like, is an irreplaceable structural material, has strong corrosion resistance, excellent mechanical property, long service life and enough stability and safety, but the small-specification line contact steel wire rope produced at present has low weight of a zinc layer, poor corrosion resistance and short service life, and cannot meet the use requirement of high zinc content of the steel wire rope.
Disclosure of Invention
The invention aims to solve the technical problems that the existing small-specification line contact steel wire rope has low zinc layer weight, poor corrosion resistance and short service life and cannot meet the use requirement of high zinc content of the steel wire rope.
A high zinc-content line contact steel wire rope is formed by winding six outer layer strands 2 around a metal rope core 1 and twisting 163 steel wires in total, wherein the nominal diameter of the steel wire rope is 12.0 mm;
the metal rope core 1 is a 6X7+ IWS point contact structure, the twisting direction is the same right (ZZ), the strand is divided into two layers, the steel wire structural formula is 1+6, the diameter of the outer layer wire is 0.50mm, the diameter of the central wire is 0.55mm, and the number of the steel wires is 49; the outer layer strand 2 is of a 1 multiplied by 19S line contact structure, the twisting direction is left twisting (S), the outer layer strand is divided into three layers, the steel wire structural formula is 1+9+9, the diameters of the inner layer steel wire and the outer layer steel wire are respectively 0.55mm and 0.95mm, and the diameter of the central wire is 1.10 mm; the number of steel wires is 19;
the total number of the six outer layer strands 2 is 114.
A production process of a high zinc-loading wire contact steel wire rope comprises the following implementation steps:
1) hot galvanizing and wire drawing production
(1) Selecting cold-drawn phi 1.05mm sand steel 80#Hot galvanizing the steel wire as a raw material, and not feeding the steel wire into a lead pan before the hot galvanizing so as to reduce the strength loss of the steel wire after the hot galvanizing, wherein the speed of the steel wire is 26.3 m/min, and then cold drawing is carried out to obtain a finished product rope wire with the diameter of 0.95mmA grade;
(2) selecting a phi 1.6mm sand steel 72A steel wire raw material for hot galvanizing, then returning the hot galvanized steel wire to a galvanizing production line for secondary hot galvanizing, and then drawing a phi 0.50mm and phi 0.55mm grade A finished product for making a rope wire, wherein the speed of the primary hot galvanizing is 27 m/min and the steel wire enters a lead pan, and the speed of the secondary hot galvanizing is 27.3 m/min and the steel wire does not enter the lead pan; selecting an LT17/270 water tank wire drawing machine for cold drawing production;
2) strand production
The metal strand core strand forming the metal rope core 1 is twisted by a GGZ6/200 tube stranding machine;
the outer layer strand 2 is twisted at one time by using a GGZ18/200 tubular strander;
3) production of metal rope core and finished steel wire rope
The metal rope core 1 is twisted at one time by using a GGZ6/300 tubular rope twisting machine;
the steel wire rope is twisted at one time by using a GGZ6/500 tubular rope twisting machine;
the production equipment for twisting the metal rope core 1, the outer layer strand 2 and the finished steel wire rope is a tubular stranding (rope) machine, wherein 18 phi 200mm I-shaped wheel frame baskets are selected for twisting the outer layer strand 2, 6 phi 500mm I-shaped wheel frame baskets are selected for twisting the steel wire rope, and nylon wire pressing tiles are selected for twisting the strands and the rope so as to avoid the loss of a zinc layer and ensure the weight of the zinc layer on the surface of the steel wire.
Adopt above-mentioned technical scheme's beneficial effect:
the invention has reasonable structure, and the weight of the zinc layer on the surface of the rope wire used by the metal rope core and the outer layer strand reaches the A-level standard, namely the weight of the zinc layer is not less than 110g/m2And the strength is not lower than 1870MPa, the tensile strength is high, the corrosion resistance is good, the service life is long, and the stability is good, so that the use requirements of high breaking force and high corrosion resistance can be met.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a high zinc-loading line contact steel wire rope according to the present invention.
In the figure: 1-metal rope core, 2-outer layer strand.
Detailed Description
The high zinc-loading wire contact steel wire rope is further explained in detail by combining the attached drawings as follows:
as shown in fig. 1, a high zinc-loading wire contact steel wire rope has a structure of 6X19S + IWR, and consists of a metal rope core 1 and six outer layer strands 2; six outer layer strands 2 are uniformly and spirally wound on the periphery of the metal rope core 1.
The structure of the metal rope core 1 is 6X7+ IWS, the metal rope core is divided into two layers and consists of seven metal strand cores, the twisting direction is the same right (ZZ), the steel wire structural formula is 1+6, the diameter of a central wire is 0.55mm, the diameter of an outer layer wire is 0.50mm, and the number of steel wires is 49; the outer layer strand 2 is divided into three layers, the structure is 1X19S, the twisting direction is left twisting (S), the steel wire structural formula is 1+9+9, the diameter of the central wire is 1.10mm, the diameters of the inner layer steel wire and the outer layer steel wire are 0.55mm and 0.95mm respectively, and the number of the steel wires is 19; the number of the six outer layer strands 2 is 114; the nominal diameter of the steel wire rope is 12.0 mm.
The steel wire rope with high zinc feeding quantity and line contact achieves the requirement of A-grade zinc layer weight, namely the weight of the zinc layer is not less than 110g/m2And the strength is not lower than 1870 MPa. The method specifically comprises the following implementation steps:
1. hot galvanizing and wire drawing production
(1) Selecting the cold-drawn phi 1.05mm sand steel 80#The steel wire is hot-galvanized as a raw material, and is not fed into a lead pan before the hot-galvanizing, so that the strength loss of the steel wire after the hot-galvanizing is reduced, the speed is 26.3 m/min, and then the steel wire is cold-drawn into a finished rope wire with the phi of 0.95mmA grade.
(2) Selecting a phi 1.6mm sand steel 72A steel wire raw material for hot galvanizing, then returning the hot galvanized steel wire to a galvanizing production line for secondary hot galvanizing, and then drawing a phi 0.50mm and phi 0.55mm grade A finished product for making rope wire, wherein the speed of the primary hot galvanizing is 27 m/min and the steel wire enters a lead pan, and the speed of the secondary hot galvanizing is 27.3 m/min and the steel wire does not enter the lead pan; selecting an LT17/270 water tank wire drawing machine for cold drawing production.
2. Strand production
The metal strand core strand forming the metal rope core 1 is twisted by a GGZ6/200 tube stranding machine;
the outer strand 2 was twisted in one pass using a GGZ18/200 tube strander.
3. Production of metal rope core and finished steel wire rope
The metal rope core is twisted at one time by using a GGZ6/300 tubular rope twisting machine;
the steel wire rope is twisted at one time by using a GGZ6/500 tubular rope twisting machine.
The production equipment for twisting the metal rope core 1, the outer layer strand 2 and the finished steel wire rope is a tubular stranding (rope) machine, wherein the outer layer strand 2 is twisted by 18I-shaped wheel frame baskets with phi of 200mm, the steel wire rope is twisted by 6I-shaped wheel frame baskets with phi of 500mm, and nylon wire pressing tiles are used during stranding and rope twisting so as to avoid the loss of a zinc layer and ensure the weight of the zinc layer on the surface of the steel wire.
Claims (2)
1. The utility model provides a high zinc volume line contact wire rope which characterized in that: the steel wire rope is formed by winding six outer layer strands (2) around a metal rope core (1) and twisting 163 steel wires, and the nominal diameter of the steel wire rope is 12.0 mm;
the metal rope core (1) is in a 6X7+ IWS point contact structure, the twisting direction is the same right (ZZ), the strand is divided into two layers, the steel wire structural formula is 1+6, the diameter of the outer layer wire is 0.50mm, the diameter of the central wire is 0.55mm, and the number of the steel wires is 49; the outer layer strand (2) is of a 1 multiplied by 19S line contact structure, the twisting direction is left twisting (S), the outer layer strand is divided into three layers, the steel wire structural formula is 1+9+9, the diameters of the inner layer steel wire and the outer layer steel wire are respectively 0.55mm and 0.95mm, and the diameter of the central wire is 1.10 mm; the number of steel wires is 19;
the total number of the steel wires of the six outer layer strands (2) is 114.
2. A process for producing a high zincating wire contact steel cord according to claim 1, characterized in that: the process comprises the following implementation steps:
1) hot galvanizing and wire drawing production
(1) Selecting cold-drawn phi 1.05mm sand steel 80#Hot galvanizing the steel wire as a raw material, and not feeding the steel wire into a lead pan before the hot galvanizing so as to reduce the strength loss of the steel wire after the hot galvanizing, wherein the speed of the steel wire is 26.3 m/min, and then cold drawing is carried out to obtain a finished product rope wire with the diameter of 0.95mmA grade;
(2) selecting a phi 1.6mm sand steel 72A steel wire raw material for hot galvanizing, then returning the hot galvanized steel wire to a galvanizing production line for secondary hot galvanizing, and then drawing a phi 0.50mm and phi 0.55mm grade A finished product for making a rope wire, wherein the speed of the primary hot galvanizing is 27 m/min and the steel wire enters a lead pan, and the speed of the secondary hot galvanizing is 27.3 m/min and the steel wire does not enter the lead pan; selecting an LT17/270 water tank wire drawing machine for cold drawing production;
2) strand production
The metal strand core strand forming the metal rope core 1 is twisted by a GGZ6/200 tube stranding machine;
the outer layer strand 2 is twisted at one time by using a GGZ18/200 tubular strander;
3) production of metal rope core and finished steel wire rope
The metal rope core 1 is twisted at one time by using a GGZ6/300 tubular rope twisting machine;
the steel wire rope is twisted at one time by using a GGZ6/500 tubular rope twisting machine;
the production equipment for twisting the metal rope core 1, the outer layer strand 2 and the finished steel wire rope is a tubular stranding (rope) machine, wherein 18 phi 200mm I-shaped wheel frame baskets are selected for twisting the outer layer strand 2, 6 phi 500mm I-shaped wheel frame baskets are selected for twisting the steel wire rope, and nylon wire pressing tiles are selected for twisting the strands and the rope so as to avoid the loss of a zinc layer and ensure the weight of the zinc layer on the surface of the steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000675.2A CN113789677A (en) | 2021-08-30 | 2021-08-30 | High zinc-loading wire contact steel wire rope and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000675.2A CN113789677A (en) | 2021-08-30 | 2021-08-30 | High zinc-loading wire contact steel wire rope and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113789677A true CN113789677A (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111000675.2A Pending CN113789677A (en) | 2021-08-30 | 2021-08-30 | High zinc-loading wire contact steel wire rope and production process thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051625A (en) * | 2009-10-30 | 2011-05-11 | 龙南县格林庭园用品有限公司 | Method for producing hot galvanized wires |
| CN103993496A (en) * | 2014-04-21 | 2014-08-20 | 江苏狼山钢绳股份有限公司 | Steel wire rope with high flexibility and high filling coefficients increased by multi-strand steel wire rope bodies |
| CN105414220A (en) * | 2015-11-05 | 2016-03-23 | 贵州钢绳股份有限公司 | Production technology of high strength galvanized steel wires |
| CN112878077A (en) * | 2021-03-17 | 2021-06-01 | 贵州钢绳股份有限公司 | Anti-fatigue steel wire rope for airplane operation and manufacturing method thereof |
-
2021
- 2021-08-30 CN CN202111000675.2A patent/CN113789677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051625A (en) * | 2009-10-30 | 2011-05-11 | 龙南县格林庭园用品有限公司 | Method for producing hot galvanized wires |
| CN103993496A (en) * | 2014-04-21 | 2014-08-20 | 江苏狼山钢绳股份有限公司 | Steel wire rope with high flexibility and high filling coefficients increased by multi-strand steel wire rope bodies |
| CN105414220A (en) * | 2015-11-05 | 2016-03-23 | 贵州钢绳股份有限公司 | Production technology of high strength galvanized steel wires |
| CN112878077A (en) * | 2021-03-17 | 2021-06-01 | 贵州钢绳股份有限公司 | Anti-fatigue steel wire rope for airplane operation and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国冶金百科全书总编辑委员会: "《中国冶金百科全书（冶金建设上）》", 31 January 1999, 冶金工业出版社 * |
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Application publication date: 20211214 |