1. A manufacturing process of a wear-resistant anticorrosive coating of a steel wire rope is characterized by comprising the following steps of: the method comprises the following steps:

step 1: preparing a material;

step 2: paying off the wire rod;

and step 3: surface treatment;

and 4, step 4: drawing;

and 5: heat treatment;

step 6: secondary drawing;

and 7: galvanizing;

and 8: stranding;

and step 9: and (6) combining the ropes.

2. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 1: preparing materials, wherein the raw materials adopt 72A steel wire rods with the diameter of 6.5 mm.

3. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 3: surface treatment, pickling the wire rod raw material with hydrochloric acid, and coating a layer of compact phosphating coat, wherein the quality of the phosphating coat is controlled to be 3.0-7.0g/m²。

4. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 4: and (3) drawing, namely performing secondary drawing after cold drawing and heat treatment respectively, drawing by using a straight wire drawing machine, performing primary drawing to draw the raw material with the diameter of 6.5mm to 4.2mm by using multi-pass small compression ratio, drawing the steel wire for 1-3 passes before the heat treatment and drawing the steel wire for 10-12 passes after the heat treatment.

5. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: and step 5: and (4) heat treatment, wherein when the rope-making steel wire is heated in a heat treatment furnace, the furnace temperature, the linear temperature and the lead temperature of the heating section are gradually reduced, the furnace temperature of the heating section is 930-.

6. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 7: and (3) galvanizing, wherein the steel wire subjected to secondary drawing after heat treatment enters a hot galvanizing process, the galvanizing adopts an electromagnetic wiping and nitrogen protection mode, the effective length of a zinc bath is 5.3m, the wiping and wiping email flow is used for galvanizing the steel wire by 300A, the nitrogen temperature is 400 ℃, the nitrogen flow is 400L/min, the zinc liquid temperature is 460 ℃, and the speed of the galvanizing process is 60 m/min.

7. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 8: stranding, twisting the galvanized steel wire rope main strand on a GGZ36/400 strand rope machine, twisting the steel core strand on a GGZ6/300 strand rope machine, twisting the steel core rope on a GGZ6/400 rope forming machine, twisting the galvanized steel wire rope on KS8/1250, designing the steel wire rope strand structure to be 1+7+7, and combining the Wahland West.

8. The process for preparing the wear-resistant and corrosion-resistant coating of the steel wire rope according to claim 7, wherein the process comprises the following steps: and 8, in the twisting process of the steel wire rope, the strand twisting distance is set to be 9.0 times, the rope twisting distance is set to be 6.5 times, the twisting direction of the steel core is the right same direction, the strand twisting direction is left twisting, the twisting direction of the steel wire rope is right alternate twisting, the distance of the steel wire electric connector in the strand is not less than 10m, and the strander is arranged after the strander is arranged.

9. The process for preparing a wear-resistant and corrosion-resistant coating for a steel wire rope according to claim 1, wherein the process comprises the following steps: the step 9: and (4) combining the ropes, performing an oil spraying process on the stranded ropes, and performing uniform and continuous oil coating treatment on the surfaces of the combined ropes.

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 consists of the steel wires, a rope core and lubricating grease. The steel wire rope is a spiral rope which is formed by twisting a plurality of layers of steel wires into strands, and then twisting a certain number of strands by taking a rope core as a center. In a material handling machine for lifting, pulling, tensioning and carrying. The steel wire rope has high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work. The first steel wire rope (smooth wire rope) in the world was invented by Oilbott, European in 1834, and the first steel wire rope factory in Tianjin City, which was established in 1939, was the first metal product enterprise in China.

Along with the continuous development of science and technology, the requirements of different fields on steel wire ropes are different, the performance indexes of all aspects of the existing steel wire ropes cannot meet the requirements of people, most of the steel wire ropes have poor corrosion resistance and friction resistance and short service life while meeting the structural strength, the use cost of the steel wire ropes is increased, and most of the steel wire rope surface materials with abrasion resistance and corrosion resistance are easy to fall off.

Disclosure of Invention

The invention aims to provide a manufacturing process of a wear-resistant and corrosion-resistant coating of a steel wire rope, which aims to solve the problems that the performance indexes of all aspects of the existing steel wire rope proposed in the background technology can not meet the requirements of people, most of the steel wire ropes have poor corrosion resistance and friction resistance, the service life is short, the use cost of the steel wire rope is increased, and the surface materials of most of the steel wire ropes with wear resistance and corrosion resistance are easy to fall off while the structural strength is met.

In order to achieve the purpose, the invention provides the following technical scheme:

a manufacturing process of a wear-resistant anticorrosive coating of a steel wire rope comprises the following steps:

step 1: preparing a material;

step 2: paying off the wire rod;

and step 3: surface treatment;

and 4, step 4: drawing;

and 5: heat treatment;

step 6: secondary drawing;

and 7: galvanizing;

and 8: stranding;

and step 9: and (6) combining the ropes.

Preferably, the step 1: preparing materials, wherein the raw materials adopt 72A steel wire rods with the diameter of 6.5 mm.

Preferably, the step 3: surface treatment, pickling the wire rod raw material with hydrochloric acid, and coating a layer of compact phosphating coat, wherein the quality of the phosphating coat is controlled to be 3.0-7.0g/m²。

Preferably, the step 4: and (3) drawing, namely performing secondary drawing after cold drawing and heat treatment respectively, drawing by using a straight wire drawing machine, performing primary drawing to draw the raw material with the diameter of 6.5mm to 4.2mm by using multi-pass small compression ratio, drawing the steel wire for 1-3 passes before the heat treatment and drawing the steel wire for 10-12 passes after the heat treatment.

Preferably, the step 5: and (4) heat treatment, wherein when the rope-making steel wire is heated in a heat treatment furnace, the furnace temperature, the linear temperature and the lead temperature of the heating section are gradually reduced, the furnace temperature of the heating section is 930-.

Preferably, the step 7: and (3) galvanizing, wherein the steel wire subjected to secondary drawing after heat treatment enters a hot galvanizing process, the galvanizing adopts an electromagnetic wiping and nitrogen protection mode, the effective length of a zinc bath is 5.3m, the wiping and wiping email flow is used for galvanizing the steel wire by 300A, the nitrogen temperature is 400 ℃, the nitrogen flow is 400L/min, the zinc liquid temperature is 460 ℃, and the speed of the galvanizing process is 60 m/min.

Preferably, the step 8: stranding, twisting the galvanized steel wire rope main strand on a GGZ36/400 strand rope machine, twisting the steel core strand on a GGZ6/300 strand rope machine, twisting the steel core rope on a GGZ6/400 rope forming machine, twisting the galvanized steel wire rope on KS8/1250, designing the steel wire rope strand structure to be 1+7+7, and combining the Wahland West.

Preferably, in the step 8, in the twisting of the steel wire rope, the strand lay length is set to be 9.0 times, the strand lay length is set to be 6.5 times, the twisting direction of the steel core is the right same direction, the strand lay direction is left twisting, the twisting direction of the steel wire rope is right alternate twisting, the distance of the steel wire electric connector in the strand is not less than 10m, and the strander is configured.

Preferably, the step 9: and (4) combining the ropes, performing an oil spraying process on the stranded ropes, and performing uniform and continuous oil coating treatment on the surfaces of the combined ropes.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the 72A steel wire rod is adopted, the chemical composition and mechanical property uniformity is good, the structure is fine, the impurities are less, the intermediate heat treatment is adopted, the comprehensive mechanical property can be improved, the work hardening is eliminated, the plasticity is improved, the uniform and fine sorbite structure is obtained, the steel wire is galvanized after being further drawn, the better galvanized steel wire is obtained, the finished product steel wire rope with higher comprehensive performance is obtained by stranding and rope combining, adopts a structure formed by combining a Warlun type and a West Lu type, the structure is a parallel strand twisting structure formed by twisting 3 layers of steel wires at one time, the wear resistance of the steel wire rope is improved while the flexibility of the strand rope is increased, the rope core is an independent steel wire rope and has the characteristics of fatigue resistance, wear resistance and corrosion resistance, the strand rope is treated by oiling, full lubrication among the steel wires is realized, and the corrosion resistance and the lubrication effect of the steel wire rope are enhanced.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the invention, the manufacturing process of the wear-resistant and anti-corrosion coating of the steel wire rope comprises the following steps:

step 1: preparing a material;

step 2: paying off the wire rod;

and step 3: surface treatment;

and 4, step 4: drawing;

and 5: heat treatment;

step 6: secondary drawing;

and 7: galvanizing;

and 8: stranding;

and step 9: and (6) combining the ropes.

Preferably, the step 1: preparing materials, wherein the raw materials adopt 72A steel wire rods with the diameter of 6.5 mm.

Preferably, the step 3: surface treatment, pickling the wire rod raw material with hydrochloric acid, and coating a layer of compact phosphating coat, wherein the quality of the phosphating coat is controlled to be 3.0-7.0g/m²。

Preferably, the step 4: and (3) drawing, namely performing secondary drawing after cold drawing and heat treatment respectively, drawing by using a straight wire drawing machine, performing primary drawing to draw the raw material with the diameter of 6.5mm to 4.2mm by using multi-pass small compression ratio, drawing the steel wire for 1-3 passes before the heat treatment and drawing the steel wire for 10-12 passes after the heat treatment.

Preferably, the step 5: and (4) heat treatment, wherein when the rope-making steel wire is heated in a heat treatment furnace, the furnace temperature, the linear temperature and the lead temperature of the heating section are gradually reduced, the furnace temperature of the heating section is 930-.

Preferably, the step 7: and (3) galvanizing, wherein the steel wire subjected to secondary drawing after heat treatment enters a hot galvanizing process, the galvanizing adopts an electromagnetic wiping and nitrogen protection mode, the effective length of a zinc bath is 5.3m, the wiping and wiping email flow is used for galvanizing the steel wire by 300A, the nitrogen temperature is 400 ℃, the nitrogen flow is 400L/min, the zinc liquid temperature is 460 ℃, and the speed of the galvanizing process is 60 m/min.

Preferably, the step 8: stranding, twisting the galvanized steel wire rope main strand on a GGZ36/400 strand rope machine, twisting the steel core strand on a GGZ6/300 strand rope machine, twisting the steel core rope on a GGZ6/400 rope forming machine, twisting the galvanized steel wire rope on KS8/1250, designing the steel wire rope strand structure to be 1+7+7, and combining the Wahland West.

Preferably, in the step 8, in the twisting of the steel wire rope, the strand lay length is set to be 9.0 times, the strand lay length is set to be 6.5 times, the twisting direction of the steel core is the right same direction, the strand lay direction is left twisting, the twisting direction of the steel wire rope is right alternate twisting, the distance of the steel wire electric connector in the strand is not less than 10m, and the strander is configured.

Preferably, the step 9: and (4) combining the ropes, performing an oil spraying process on the stranded ropes, and performing uniform and continuous oil coating treatment on the surfaces of the combined ropes.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.