阅读说明：本技术 一种耐腐蚀型钢丝绳的制备方法 (Preparation method of corrosion-resistant steel wire rope ) 是由 沈利明 黄克锋 沈东彪 于 2020-06-01 设计创作，主要内容包括：本发明公开了一种耐腐蚀型钢丝绳的制备方法,主要包括一下步骤：步骤A：将钢材进行清洗；步骤B：将钢材放到磷酸盐溶液浸泡步骤C：将钢材进行冷拔丝；步骤D：对冷拔丝后的钢材进行加热,加热后进行铅浴淬火；步骤E：将钢丝拉丝；步骤G：在钢丝的表面镀锌,然后钢丝卷到工字轮上进行捻股将钢丝捻成绳股,然后在合绳机上进行加工,得到钢丝绳。本发明提供的一种耐腐蚀型钢丝绳的制备方法,利用此方法可以快速的钢丝绳进行生产,且此方法生产的钢丝绳的工艺较为简单,不需要较多的人工,可以大大节省人力,降低生产的成本,而且此方法生产的钢丝绳具有较强的耐腐蚀性,品质高,使用寿命较长。(The invention discloses a preparation method of a corrosion-resistant steel wire rope, which mainly comprises the following steps: step A: cleaning the steel; and B: and C, soaking the steel in phosphate solution: carrying out cold wire drawing on the steel; step D: heating the steel after cold wire drawing, and carrying out lead bath quenching after heating; step E: drawing a steel wire; step G: galvanizing the surface of the steel wire, winding the steel wire on a spool for stranding, twisting the steel wire into strands, and processing on a rope-combining machine to obtain the steel wire rope. According to the preparation method of the corrosion-resistant steel wire rope, the steel wire rope can be rapidly produced by using the method, the process of the steel wire rope produced by the method is simple, more labor is not needed, the labor can be greatly saved, the production cost is reduced, and the steel wire rope produced by the method has strong corrosion resistance, high quality and long service life.)

1. The preparation method of the corrosion-resistant steel wire rope is characterized by mainly comprising the following steps of:

step A: cleaning the steel in a cleaning agent for 20-40min to remove rust and oxides on the surface of the steel;

and B: putting the steel into phosphate solution, and soaking for 20-50 min;

and C: cold-drawing the steel through a hole with a diameter smaller than that of the steel, wherein the hole of the cold-drawing die is directly larger than the formed steel wire by 2-3 mm;

step D: heating the steel after cold wire drawing, and carrying out lead bath quenching after heating;

step E: cleaning the wire drawing die box, connecting the quenched steel wires on a butt welding machine of a corresponding type, welding the two steel wires from two ends in the same direction in a positive mode, polishing the weld joint by using a grinding machine after welding to ensure the strength of the weld joint, and frequently stirring the wire drawing powder in the wire drawing die box in the wire drawing process to ensure that the wire drawing powder is uniformly attached to the surfaces of the steel wires and the lubrication is kept good;

step F: heating the drawn steel wire in a vacuum furnace, annealing and taking up the steel wire;

step G: galvanizing the surface of the steel wire, winding the steel wire on a spool for stranding, twisting the steel wire into strands, and processing on a rope-combining machine to obtain the steel wire rope.

2. The method for producing a corrosion-resistant steel wire rope according to claim 1, characterized in that: the cleaning agent is any one of sulfuric acid, copper sulfate or silver nitrate with the mass fraction of 25%.

3. The method for producing a corrosion-resistant steel wire rope according to claim 1, characterized in that: the temperature of the patenting in the step D is 500-700 ℃, the running speed of the steel wire is 20-30m/min, and the strength reaches 1350-145-MPa.

4. The method for producing a corrosion-resistant steel wire rope according to any one of claims 1, characterized in that: and E, the water temperature of the wire-drawing die box does not exceed 50 ℃.

5. The method for producing a corrosion-resistant steel wire rope according to any one of claims 1, characterized in that: in the step C, steel with the carbon content of 0.8-0.9% and the diameter of 8mm is selected for cold drawing, the diameters after cold drawing are respectively 2.8mm, 3.2mm, 36mm and 4.0mm, and the steel is respectively drawn by the following procedures:

8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the drawing speed is 5 m/s.

6. The method for producing a corrosion-resistant steel wire rope according to any one of claims 1, characterized in that: the diameters of the steel wires drawn in the step E are 2.8mm, 2.4mm, 2.0mm and 1.8 mm; the method is characterized by comprising the following steps of:

4.0 to 3.5 to 3.0 to 2.8, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.6 to 3.2 to 2.8 to 2.4, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.2 to 2.8 to 2.4 to 2.0, the diameter unit is mm, and the wire drawing speed is 1 m/s;

2.8 to 2.4 to 2.0 to 1.8, the diameter unit is mm, and the wire drawing speed is 1 m/s.

7. The method for producing a corrosion-resistant steel wire rope according to any one of claims 1, characterized in that: and G, arranging a steel wire rope oil coating groove between the traction wheel of the rope combining machine and the take-up device, and coating oil on the steel wire rope. After being oiled, the steel wire rope is uniformly wound on a spool of the take-up mechanism through the wire arranging mechanism. After twisting, the rope end of the steel wire rope is tightly tied by a soft steel wire and fixed on the wheel disc of the I-shaped wheel.

Technical Field

The invention relates to a preparation method of a corrosion-resistant steel wire rope, and belongs to the technical field of steel wire rope production.

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 the advantages of high strength, light dead weight, stable work, difficulty in breaking the whole steel wire rope, and reliable work, and the rope core mainly plays a role in supporting the steel wire rope so as to achieve a stable cross section structure. The rope core includes a steel core and a fiber core, the fiber core includes a natural fiber core such as sisal, jute, cotton and the like, and a synthetic fiber core includes polyethylene and polypropylene filaments and the like. The natural fiber core can store more lubricating grease, plays a role in lubricating the steel wire rope, prolongs the service life of the steel wire rope, and is relatively complex in production process and relatively high in manual use, so that the production cost is relatively high.

Disclosure of Invention

The invention aims to provide a preparation method of a corrosion-resistant steel wire rope, and aims to solve the problems that the existing steel wire rope is complex in production process and high in production cost due to the fact that a large number of workers are used in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a corrosion-resistant steel wire rope mainly comprises the following steps:

step A: cleaning the steel in a cleaning agent for 20-40min to remove rust and oxides on the surface of the steel;

and B: putting the steel into phosphate solution, and soaking for 20-50 min;

and C: cold-drawing the steel through a hole with a diameter smaller than that of the steel, wherein the hole of the cold-drawing die is directly larger than the formed steel wire by 2-3 mm;

step D: heating the steel after cold wire drawing, and carrying out lead bath quenching after heating;

step E: cleaning the wire drawing die box, connecting the quenched steel wires on a butt welding machine of a corresponding type, welding the two steel wires from two ends in the same direction in a positive mode, polishing the weld joint by using a grinding machine after welding to ensure the strength of the weld joint, and frequently stirring the wire drawing powder in the wire drawing die box in the wire drawing process to ensure that the wire drawing powder is uniformly attached to the surfaces of the steel wires and the lubrication is kept good;

step F: heating the drawn steel wire in a vacuum furnace, annealing and taking up the steel wire;

step G: galvanizing the surface of the steel wire, winding the steel wire on a spool for stranding, twisting the steel wire into strands, and processing on a rope-combining machine to obtain the steel wire rope.

Preferably, the cleaning agent is any one of sulfuric acid, copper sulfate or silver nitrate with the mass fraction of 25%.

Preferably, the temperature of the patenting in the step D is 500-700 ℃, the running speed of the steel wire is 20-30m/min, and the strength reaches 1350-145-MPa.

Preferably, the water temperature of the wire-drawing die box in the step E is not more than 50 ℃.

Preferably, in the step C, a steel material with a carbon content of 0.8-0.9% and a diameter of 8mm is selected for cold drawing, the diameter after cold drawing is 2.8mm, 3.2mm, 36mm and 4.0mm, and the steel material is obtained by drawing through the following steps:

8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the drawing speed is 5 m/s.

Preferably, the diameter of the steel wire drawn in the step E is 2.8mm, 2.4mm, 2.0mm and 1.8 mm; the method is characterized by comprising the following steps of:

4.0 to 3.5 to 3.0 to 2.8, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.6 to 3.2 to 2.8 to 2.4, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.2 to 2.8 to 2.4 to 2.0, the diameter unit is mm, and the wire drawing speed is 1 m/s;

2.8 to 2.4 to 2.0 to 1.8, the diameter unit is mm, and the wire drawing speed is 1 m/s.

Preferably, a steel wire rope oiling groove is arranged between the traction wheel and the take-up device of the rope combining machine in the step G, and the steel wire rope is oiled. After being oiled, the steel wire rope is uniformly wound on a spool of the take-up mechanism through the wire arranging mechanism. After twisting, the rope end of the steel wire rope is tightly tied by a soft steel wire and fixed on the wheel disc of the I-shaped wheel.

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

according to the preparation method of the corrosion-resistant steel wire rope, the steel wire rope can be rapidly produced by using the method, the process of the steel wire rope produced by the method is simple, more labor is not needed, the labor can be greatly saved, the production cost is reduced, and the steel wire rope produced by the method has strong corrosion resistance, high quality and long service life.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.

The preparation method of the corrosion-resistant steel wire rope provided by the embodiment mainly comprises the following steps:

step A: cleaning the steel in a cleaning agent for 20-40min to remove rust and oxides on the surface of the steel;

and B: putting the steel into phosphate solution, and soaking for 20-50 min;

and C: cold-drawing the steel through a hole with a diameter smaller than that of the steel, wherein the hole of the cold-drawing die is directly larger than the formed steel wire by 2-3 mm;

step D: heating the steel after cold wire drawing, and carrying out lead bath quenching after heating;

step E: cleaning the wire drawing die box, connecting the quenched steel wires on a butt welding machine of a corresponding type, welding the two steel wires from two ends in the same direction in a positive mode, polishing the weld joint by using a grinding machine after welding to ensure the strength of the weld joint, and frequently stirring the wire drawing powder in the wire drawing die box in the wire drawing process to ensure that the wire drawing powder is uniformly attached to the surfaces of the steel wires and the lubrication is kept good;

step F: heating the drawn steel wire in a vacuum furnace, annealing and taking up the steel wire;

step G: galvanizing the surface of the steel wire, winding the steel wire on a spool for stranding, twisting the steel wire into strands, and processing on a rope-combining machine to obtain the steel wire rope.

The cleaning agent is any one of sulfuric acid, copper sulfate or silver nitrate with the mass fraction of 25%.

In the step D, the temperature of the patenting is 500-700 ℃, the running speed of the steel wire is 20-30m/min, and the strength reaches 1350-145-MPa.

And E, the water temperature of the wire-drawing die box does not exceed 50 ℃.

In the step C, steel with the carbon content of 0.8-0.9% and the diameter of 8mm is selected for cold drawing, the diameters after cold drawing are respectively 2.8mm, 3.2mm, 36mm and 4.0mm, and the steel is respectively drawn by the following procedures:

8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 5 m/s;

8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the drawing speed is 5 m/s.

The diameter of the steel wire after drawing in the step E is 2.8mm, 2.4mm, 2.0mm and 1.8 mm; the method is characterized by comprising the following steps of:

4.0 to 3.5 to 3.0 to 2.8, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.6 to 3.2 to 2.8 to 2.4, the diameter unit is mm, and the wire drawing speed is 1 m/s;

3.2 to 2.8 to 2.4 to 2.0, the diameter unit is mm, and the wire drawing speed is 1 m/s;

2.8 to 2.4 to 2.0 to 1.8, the diameter unit is mm, and the wire drawing speed is 1 m/s.

And G, arranging a steel wire rope oil coating groove between the traction wheel and the take-up device of the rope combining machine, and coating oil on the steel wire rope. After being oiled, the steel wire rope is uniformly wound on a spool of the take-up mechanism through the wire arranging mechanism. After twisting, the rope end of the steel wire rope is tightly tied by a soft steel wire and fixed on the wheel disc of the I-shaped wheel.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.