CN111021114A - Composite structure strand compacted steel wire rope and manufacturing method thereof - Google Patents
Composite structure strand compacted steel wire rope and manufacturing method thereof Download PDFInfo
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- CN111021114A CN111021114A CN201911178525.3A CN201911178525A CN111021114A CN 111021114 A CN111021114 A CN 111021114A CN 201911178525 A CN201911178525 A CN 201911178525A CN 111021114 A CN111021114 A CN 111021114A
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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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- 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
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
- D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
-
- 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
- D07B2201/2001—Wires or filaments
- D07B2201/2006—Wires or filaments characterised by a value or range of the dimension given
-
- 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
- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
-
- 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
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
-
- 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
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2012—Wires or filaments characterised by a coating comprising polymers
Abstract
The invention discloses a composite structure strand compacted steel wire rope and a manufacturing method thereof, and is characterized in that the composite structure strand compacted steel wire rope is formed by twisting a center strand, an inner layer strand and an outer layer strand together, and the manufacturing method of the composite structure strand compacted steel wire rope comprises the following steps: producing steel wires, namely sequentially carrying out acid washing, phosphating, shelling, cogging and the like on raw materials, drawing and tempering round steel to obtain the produced rope-making steel wires; twisting strand ropes, namely selecting rope-making steel wires with the same diameter and length, twisting and forming by a strand twisting vehicle, and then compacting by adopting a drawing die to obtain twisted central strand ropes, inner layer strand ropes and outer layer strand ropes; stranding, namely twisting the manufactured central strand, inner layer strand and outer layer strand together through a stranding machine to obtain a composite structure strand compacted steel wire rope; according to the composite structure strand compacted steel wire rope and the manufacturing method thereof, the steel wire rope is compact in structure and high in corrosion resistance through multiple twisting and compaction.
Description
Technical Field
The invention belongs to the technical field of steel wire rope production, and particularly relates to a composite structure strand compacted steel wire rope and a manufacturing method thereof.
Background
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting requirements together according to a certain rule, and comprises steel wires, a rope core and lubricating grease; the composite structure strand compacted steel wire rope is mainly applied to the fields of large equipment lifting, highway bridge sling and the like;
when the composite structure strand compacted steel wire rope is used in production, because a layer of plastic coating is coated on the surface of the existing steel wire rope in production, the anti-corrosion effect is poor, and the anti-oxidation performance is low.
Disclosure of Invention
The invention mainly aims to provide a composite structure strand compacted steel wire rope and a manufacturing method thereof, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a composite structure strand compacted steel wire rope and a manufacturing method thereof are provided.
Preferably, the method of manufacturing the composite structure strand compacted steel cord comprises the steps of:
firstly, producing steel wires, namely, sequentially carrying out acid pickling, phosphating, shelling, cogging and the like on raw materials to obtain common round steel, then drawing the round steel for more than 3 times to increase the hardness of the round steel in continuous processing, then tempering the steel wires, carrying out oil quenching and tempering twice, firstly carrying out correction tempering on the steel wires, carrying out heat preservation for 10-20min, and then discharging the steel wires from a furnace for air cooling; then carrying out finish tempering at the temperature of 420 +/-20 ℃, keeping the temperature for 30-35min, discharging and carrying out water cooling to obtain the produced rope-making steel wire;
twisting strand ropes, twisting the obtained rope-making steel wires into strands respectively, firstly twisting 2 central strand ropes, selecting 8 thin steel wires and 15 thick steel wires with the same diameter and length to be twisted and formed by a strand twisting vehicle, then compacting by adopting a drawing die, secondly twisting 6 inner layer strand ropes, selecting 10 thin steel wires and 15 thick steel wires with the same diameter and length and 20 middle thin steel wires to be twisted and formed by the strand twisting vehicle, then compacting by adopting the drawing die, then twisting 8 outer layer strand ropes, selecting 5 thin steel wires and 25 thick steel wires with the same diameter and length and 5 middle thin steel wires to be twisted and formed by the strand twisting vehicle, and then compacting by adopting the drawing die to obtain the twisted central strand ropes, the inner layer strand ropes and the outer layer strand ropes;
and step three, rope combination is carried out, the prepared 2 central strands, 6 inner layer strands and 8 outer layer strands are twisted together through a stranding machine, a drawing die is adopted for compaction, and the compression ratio is selected to be 6% -8%. And the central strand, the inner layer strand and the outer layer strand are connected in a line contact manner, so that the manufacturing method of the composite structure strand compacted steel wire rope can be completed, and the composite structure strand compacted steel wire rope is finally obtained.
Preferably, in the first step, the steel wire is cleaned after being finished, and then a layer of coating liquid is coated on the surface of the steel wire, wherein the coating thickness is 1-3mm, and the coating liquid comprises 60-65% of phosphoric acid, 7-10% of chromic anhydride, 8-15% of barium carbonate, 50-65% of epoxy resin, 25-30% of borate and 1-2.5% of acetone by weight.
Preferably, when drawing in the step one, the compression angle of each pass of the wire-drawing die is 8-15 degrees, and the wire-drawing die is lubricated by adopting a special drawing lubricant, wherein the concentration of the lubricant is 5% -8%.
Preferably, when the tempering treatment is performed in the first step, the tempering temperature is corrected to be 30 ℃ lower than the final tempering temperature.
Preferably, when twisting the strand in the second step, a drawing die is adopted for compacting, and the compression ratio is selected from 8-15%.
Compared with the prior art, the invention has the following beneficial effects: this composite construction strand compaction wire rope and manufacturing method thereof, through having increased the tempering treatment when producing the steel wire, can increase the high tenacity after the steel wire is drawn, the disconnected silk condition of steel wire has been reduced, adopt the thin steel wire of chooseing for use the same diameter length simultaneously, thick steel wire and the strand that the medium and thin steel wire pressed into, through the system of twisting and compaction many times, make wire rope's structure inseparabler, also make wire rope's wearability and broken tension effect obvious, and adopt special anticorrosive liquid to coat before the system of twisting at the steel wire, make wire rope when later stage use anticorrosive effectual, oxidation resistance is strong, wire rope's life has also been prolonged, convenient to use.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A composite structure strand compacted steel wire rope and a manufacturing method thereof are provided, the composite structure strand compacted steel wire rope is formed by twisting a center strand, an inner layer strand and an outer layer strand together, and the manufacturing method of the composite structure strand compacted steel wire rope comprises the following steps: firstly, producing steel wires, namely, sequentially carrying out acid washing, phosphorization, shelling, cogging and the like on raw materials to obtain common round steel, then drawing the round steel for more than 3 times, wherein the compression angle of a wire drawing die in each pass is 8-15 degrees during drawing, lubricating the round steel by adopting a special drawing lubricant with the concentration of 5-8 percent to increase the hardness of the round steel during continuous processing, then tempering the steel wires, carrying out oil quenching and tempering twice, firstly carrying out correction tempering on the steel wires, carrying out heat preservation for 10-20min, discharging the steel wires out of a furnace, and carrying out air cooling; then carrying out finish tempering, wherein the tempering temperature is corrected to be 30 ℃ lower than the finish tempering temperature, the finish tempering temperature is 420 +/-20 ℃, the temperature is kept for 30-35min, discharging and water cooling are carried out, the steel wire finished product needs to be cleaned, then a layer of coating liquid is coated on the surface of the steel wire finished product, and the thickness of the coating is 1-3mm, wherein the coating liquid comprises 60-65 wt% of phosphoric acid, 7-10 wt% of chromic anhydride, 8-15 wt% of barium carbonate, 50-65 wt% of epoxy resin, 25-30 wt% of borate and 1-2.5 wt% of acetone, so as to obtain the produced rope-making steel wire; by adopting the special lubricant, the function of the special lubricant is to form a layer of lubricating film between the drawn metal and the die wall of the wire drawing die, reduce the friction between interfaces, prevent the metal from being bonded on the die wall due to heating, simultaneously adopt tempering treatment, the function of the special lubricant is to increase the high toughness of the drawn steel wire and reduce the fracture of the steel wire, and the surface of the special lubricant is coated with a layer of coating, the function of the special lubricant is to improve the oxidation resistance and corrosion resistance of the steel wire, step two, twisting strand ropes, twisting the obtained rope-making steel wires into strands respectively, firstly twisting 2 central strand ropes, selecting 8 thin steel wires and 15 thick steel wires with the same diameter and length through a strand twisting machine, then adopting the drawing die to compact, secondly twisting 6 inner layer strand ropes, selecting 10 thin steel wires and 15 thick steel wires with the same diameter and length and 20 medium thin steel wires to shape through the strand twisting machine, twisting by adopting the drawing die to compact, twisting 8 outer layer strands, selecting 5 thin steel wires with the same diameter and length, 25 thick steel wires and 5 middle thin steel wires, twisting and forming by a stranding machine, compacting by adopting a drawing die, and selecting the compression ratio to be 8-15% to obtain twisted central strands, inner layer strands and outer layer strands; the strand wires are twisted and formed by a strand twisting machine and then compacted by a drawing die, so that the strand wires are tighter, and the breaking force of the steel wire rope is increased; and step three, rope combination is carried out, the prepared 2 central strands, 6 inner layer strands and 8 outer layer strands are twisted together through a stranding machine, a drawing die is adopted for compaction, and the compression ratio is selected to be 6% -8%. And the central strand, the inner layer strand and the outer layer strand are connected in a line contact manner, so that the manufacturing method of the composite structure strand compacted steel wire rope can be completed, and the composite structure strand compacted steel wire rope is finally obtained.
Example 1
During production, the composite structure strand compacted steel wire rope is formed by twisting a central strand, an inner layer strand and an outer layer strand together, firstly, a steel wire is produced, raw materials are sequentially subjected to acid washing, phosphorization, peeling, cogging and the like to obtain common round steel, then, the round steel is drawn for more than 3 times, when the round steel is drawn, the compression angle of a wire drawing die in each pass is 10 degrees, a special drawing lubricant is adopted for lubrication, the concentration of the lubricant is 5 percent, so that the hardness of the round steel is increased in continuous processing, secondly, the steel wire is subjected to tempering treatment, the oil quenching tempering treatment is carried out for two times, the steel wire is firstly subjected to correction tempering, the heat preservation is carried out for 15min, and the steel wire is taken out of a furnace and; then carrying out finish tempering, correcting the tempering temperature to be 30 ℃ lower than the finish tempering temperature, keeping the finish tempering temperature at 420 ℃, keeping the temperature for 30min, discharging from a furnace and carrying out water cooling to obtain a produced rope-making steel wire, cleaning the finished steel wire, coating a layer of coating liquid on the surface of the steel wire, wherein the coating thickness is 1.5mm, and the raw materials in the coating liquid comprise 60% of phosphoric acid, 7% of chromic anhydride, 10% of barium carbonate, 55% of epoxy resin, 25% of borate and 1% of acetone by weight; twisting strand ropes, twisting the obtained rope-making steel wires into strands respectively, firstly twisting 2 central strand ropes, selecting 8 thin steel wires and 15 thick steel wires with the same diameter and length, twisting and forming by a strand twisting vehicle, then compacting by adopting a drawing die, twisting 6 inner layer strand ropes, selecting 10 thin steel wires and 15 thick steel wires with the same diameter and length, and 20 middle thin steel wires, twisting and forming by a strand twisting vehicle, then compacting by adopting a drawing die, twisting 8 outer layer strand ropes, selecting 5 thin steel wires and 25 thick steel wires with the same diameter and length, and twisting and forming by the strand twisting vehicle, then compacting by adopting a drawing die, selecting 12% for compression ratio, and obtaining the twisted central strand ropes, inner layer strand ropes and outer layer strand ropes; the method comprises the following steps of (1) stranding, twisting 2 prepared central strands, 6 inner-layer strands and 8 outer-layer strands together through a stranding machine, compacting by adopting a drawing die, wherein the compression ratio is selected to be 6%, and the central strands, the inner-layer strands and the outer-layer strands are connected in a line contact manner, so that the method for manufacturing the compacted steel wire rope with the composite structure strand is completed;
taking a proper amount of prepared steel wire rope sample, recording the mass M1 of the sample, placing the steel wire rope sample into an abrasion tester for grinding for 2-3h, recording the mass of the steel wire rope sample after grinding as M2, detecting by a ten-thousandth precision balance, wherein the mass of M1 is 19800g, the mass of M2 is 19780g, the integrity rate is counted as S1, the S1 is M2/M1, and the S1 is calculated to be 99.89%.
Example 2
During production, the composite structure strand compacted steel wire rope is formed by twisting a central strand, an inner layer strand and an outer layer strand together, firstly, a steel wire is produced, raw materials are sequentially subjected to acid washing, phosphorization, peeling, cogging and the like to obtain common round steel, then, the round steel is drawn for more than 3 times, when the round steel is drawn, the compression angle of a wire drawing die in each pass is 15 degrees, a special drawing lubricant is adopted for lubrication, the concentration of the lubricant is 6 percent, so that the hardness of the round steel is increased in continuous processing, secondly, the steel wire is subjected to tempering treatment, the oil quenching tempering treatment is carried out for two times, the steel wire is firstly subjected to correction tempering, the heat preservation is carried out for 20min, and the steel wire is taken out of a furnace and; then carrying out finish tempering, correcting the tempering temperature to be 30 ℃ lower than the finish tempering temperature, keeping the finish tempering temperature at 440 ℃, keeping the temperature for 35min, discharging from a furnace and carrying out water cooling to obtain the produced rope-making steel wire, cleaning the finished steel wire, coating a layer of coating liquid on the surface of the steel wire, wherein the coating thickness is 3mm, and the coating liquid comprises 65% of phosphoric acid, 8% of chromic anhydride, 9% of barium carbonate, 55% of epoxy resin, 26% of borate and 2% of acetone by weight; twisting strand ropes, twisting the obtained rope-making steel wires into strands respectively, firstly twisting 2 central strand ropes, selecting 8 thin steel wires and 15 thick steel wires with the same diameter and length, twisting and forming by a strand twisting vehicle, then compacting by adopting a drawing die, twisting 6 inner layer strand ropes, selecting 10 thin steel wires and 15 thick steel wires with the same diameter and length, and 20 middle thin steel wires, twisting and forming by a strand twisting vehicle, then compacting by adopting a drawing die, twisting 8 outer layer strand ropes, selecting 5 thin steel wires and 25 thick steel wires with the same diameter and length, and twisting and forming by the strand twisting vehicle, then compacting by adopting a drawing die, selecting 15% for compression ratio, and obtaining the twisted central strand ropes, inner layer strand ropes and outer layer strand ropes; the method comprises the following steps of (1) stranding, twisting 2 prepared central strands, 6 inner-layer strands and 8 outer-layer strands together through a stranding machine, compacting by adopting a drawing die, wherein the compression ratio is selected to be 7%, and the central strands, the inner-layer strands and the outer-layer strands are connected in a line contact manner, so that the method for manufacturing the compacted steel wire rope with the composite structure strand is completed;
taking a proper amount of prepared steel wire rope sample, recording the mass M3 of the sample, placing the steel wire rope sample into an abrasion tester for skiving for 2-3h, recording the mass of the skived steel wire rope sample as M4, detecting the mass of the steel wire rope sample by a ten-thousandth precision balance, wherein the mass of M3 is 21066g, the mass of M4 is 21032g, the integrity rate is counted as S2, and the S2 is counted as M4/M3, and the S2 is calculated to be 99.83%.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The composite structure strand compacted steel wire rope is characterized by being formed by twisting a central strand, an inner layer strand and an outer layer strand together.
2. A composite construction strand compacted steel cord according to claim 1, characterized in that: the manufacturing method of the composite structure strand compacted steel wire rope comprises the following steps:
firstly, producing steel wires, namely, sequentially carrying out acid pickling, phosphating, shelling, cogging and the like on raw materials to obtain common round steel, then drawing the round steel for more than 3 times to increase the hardness of the round steel in continuous processing, then tempering the steel wires, carrying out oil quenching and tempering twice, firstly carrying out correction tempering on the steel wires, carrying out heat preservation for 10-20min, and then discharging the steel wires from a furnace for air cooling; then carrying out finish tempering at the temperature of 420 +/-20 ℃, keeping the temperature for 30-35min, taking out the steel wire and cooling the steel wire by water in a tempering furnace to obtain the produced rope-making steel wire;
twisting strand ropes, twisting the obtained rope-making steel wires into strands respectively, firstly twisting 2 central strand ropes, selecting 8 thin steel wires and 15 thick steel wires with the same diameter and length to be twisted and formed by a strand twisting vehicle, then compacting by adopting a drawing die, secondly twisting 6 inner layer strand ropes, selecting 10 thin steel wires and 15 thick steel wires with the same diameter and length and 20 middle thin steel wires to be twisted and formed by the strand twisting vehicle, then compacting by adopting the drawing die, then twisting 8 outer layer strand ropes, selecting 5 thin steel wires and 25 thick steel wires with the same diameter and length and 5 middle thin steel wires to be twisted and formed by the strand twisting vehicle, and then compacting by adopting the drawing die to obtain the twisted central strand ropes, the inner layer strand ropes and the outer layer strand ropes;
and step three, rope combination is carried out, the 2 prepared central strands, the 6 prepared inner layer strands and the 8 prepared outer layer strands are twisted together through a compaction roller, then a drawing die is adopted for compaction, the compression ratio is selected to be 6% -8%, the central strands, the inner layer strands and the outer layer strands are connected in a line contact manner, the manufacturing method of the composite structure strand compacted steel wire rope can be completed, and the composite structure strand compacted steel wire rope is finally obtained.
3. A composite structural strand compacted steel cord and a method for its manufacture according to claim 2, characterized in that: and (2) cleaning the finished steel wire rope prepared in the step one, and then coating a layer of coating liquid on the surface of the steel wire rope, wherein the coating thickness is 1-3mm, and the coating liquid comprises 60-65% of phosphoric acid, 7-10% of chromic anhydride, 8-15% of barium carbonate, 50-65% of epoxy resin, 25-30% of borate and 1-2.5% of acetone by weight.
4. A composite structural strand compacted steel cord and a method for its manufacture according to claim 1, characterized in that: and during drawing in the first step, the compression angle of each pass of the wire drawing die is 8-15 degrees, and the wire drawing die is lubricated by adopting a special drawing lubricant, wherein the concentration of the lubricant is 5% -8%.
5. A composite structural strand compacted steel cord and a method for its manufacture according to claim 1, characterized in that: during tempering treatment in the first step, the tempering temperature is corrected to be 30 ℃ lower than the final tempering temperature.
6. A composite structural strand compacted steel cord and a method for its manufacture according to claim 1, characterized in that: and compacting the stranded rope in the second step by adopting a drawing die, wherein the compression ratio is selected from 8-15%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911178525.3A CN111021114A (en) | 2019-11-27 | 2019-11-27 | Composite structure strand compacted steel wire rope and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911178525.3A CN111021114A (en) | 2019-11-27 | 2019-11-27 | Composite structure strand compacted steel wire rope and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863037A (en) * | 2021-08-22 | 2021-12-31 | 张富苗 | Preparation process of stainless steel wire rope |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863037A (en) * | 2021-08-22 | 2021-12-31 | 张富苗 | Preparation process of stainless steel wire rope |
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Application publication date: 20200417 |