阅读说明：本技术 钢丝绳头的制作方法 (Method for manufacturing steel wire rope head ) 是由 李艮桥 米培英 苏永 张艳涛 于 2019-02-23 设计创作，主要内容包括：一种钢丝绳头的制作方法,其工艺步骤为：①加工锥形套筒连接器,②将锥形套筒连接器清洗干净,③在距钢丝绳端头一定距离处用铁丝将钢丝绳绑紧,④将钢丝绳从锥形套筒连接器的小直径端穿过锥形套筒连接器,⑤将绑扎铁丝至端部的钢丝绳分股、分成丝,去掉绳芯,⑥清洗钢丝绳头,钢丝一根根散开到绑扎铁丝的根部,⑦将每根钢丝弯成小勾,⑦将钢丝绳缓慢回拉,使钢丝绳端部的弯勾进入锥形套筒连接器内并使其端部低于锥形套筒连接器上的销孔的下象限点,⑧将锥形套筒连接器大口朝上固定于支撑加上并用耐热材料将锥形套筒连接器的小口端与钢丝绳之间的空隙封住,⑨将粉末合金熔化后浇注进锥形套筒连接器内并漫过钢丝绳头,⑩销轴连接钩头装置。(A method for manufacturing a steel wire rope head comprises the following process steps: processing a conical sleeve connector, cleaning the conical sleeve connector, binding a steel wire rope at a certain distance from the end of the steel wire rope by using a steel wire, penetrating the steel wire rope through the conical sleeve connector from the small-diameter end of the conical sleeve connector, dividing the steel wire rope with the steel wire bound to the end part into strands and wires, removing a rope core, cleaning the end part of the steel wire rope, scattering one root of the steel wire to the root of the bound steel wire, bending each steel wire into a small hook by a large angle, slowly pulling back the steel wire rope by a large angle, enabling the hook at the end part of the steel wire rope to enter the conical sleeve connector and enabling the end part of the steel wire rope to be lower than a lower limit point of a pin hole on the conical sleeve connector, fixing the large opening of the conical sleeve connector upwards to a support, sealing a gap between the small opening end of the conical sleeve connector and the steel wire rope by using a heat-resistant material, pouring powder alloy into the conical sleeve connector and overflowing the steel wire rope head, the pin shaft at the red part is connected with a hook head device.)

1. The manufacturing method of the steel wire rope head is characterized by comprising the following process steps: firstly, processing a conical sleeve connector (1), cleaning the conical sleeve connector (1), binding the steel wire rope by using an iron wire (3) at a certain distance from the end of the steel wire rope (2), penetrating the steel wire rope (2) through the conical sleeve connector (1) from the small-diameter end of the conical sleeve connector (1), dividing the steel wire rope (2) for binding the iron wire (3) to the end part into strands, dividing each strand into wires, removing a rope core, cleaning a steel wire rope head (5), scattering one steel wire root to the root part of the bound iron wire (3), bending each steel wire into a small hook, slowly pulling back the steel wire rope (2), enabling the hook at the end part of the steel wire rope (2) to enter the conical sleeve connector (1) and enabling the end part to be lower than the lower limit point of a pin hole on the conical sleeve connector (1), upwards fixing the conical sleeve connector (1) to a large opening and using a heat-resistant material (C) to add the conical sleeve connector (1) and a small opening of the steel wire rope connector (1), and enabling the steel wire rope end to pass through the conical sleeve connector (1) to be lower limit point And ninthly, sealing gaps among the wire ropes (2), pouring the molten powder alloy into the conical sleeve connector (1) and enabling the molten powder alloy to pass through the wire rope head, performing an impact test after natural cooling, and connecting the pin shaft (4) on the ear part with a hook head device.

2. The method for producing a wire rope head according to claim 1, wherein the powder alloy comprises 82 to 83 parts of Sn-powder, 10 to 12 parts of Sb-antimony-powder, 5.5 to 6.5 parts of copper-powder, 0.1 part of Fe-powder, 0.1 part of As-arsenic-powder, and 0.3 part of Pb-powder.

3. The method for producing a wire rope end according to claim 2, wherein the powdered alloy is melted in a crucible, stirred with a hot iron rod while being heated at a temperature of 400 ℃ to 460 ℃, and the natural cooling is natural cooling for 24 hours.

4. A method for making a wire rope end according to claim 1, characterized in that the wire rope (3) is tied up with a wire (3) 500mm from the end of the wire rope (2), and the end of the wire rope (2) is hooked 30mm long, the length of the hook being about 15-20mm, forming a "socket" shape.

5. The method for manufacturing the steel wire rope head according to claim 1, wherein the conical sleeve connector (1) is composed of two sections, namely a straight cylinder (A) and a conical cylinder (B), the inner diameter of the small end of the conical cylinder (B) is matched with the diameter of the steel wire rope (2), and the pin hole is formed in the straight cylinder (A).

Technical Field

The invention relates to a wire rope head, in particular to a manufacturing method of the wire rope head.

Background

As is known, the utilization rate of a hoisting steel wire rope of a coal mine vertical shaft sinking hoist is relatively frequent, the hoisting steel wire rope is a special device with high risk, and the safety of production, hoisting and transportation is related, so that the safety requirement on a steel wire rope suspension device is relatively high. At present, the rope end of a steel wire rope is connected with a hook head through a plate-type clamp and a rope protecting ring, the tensile strength of the combination part of the steel wire rope and the rope end is low (80 percent of the tensile strength of the steel wire rope), the phenomenon of loosening screws sometimes occurs, and certain potential safety hazards are caused. Therefore, it is a technical problem to be solved at present to research a safe manufacturing method of a steel wire rope head and manufacture the steel wire rope head by the method.

Disclosure of Invention

The invention aims to solve the technical problem of providing a method for manufacturing a steel wire rope head.

The technical scheme for solving the technical problem is as follows:

a method for manufacturing a steel wire rope head comprises the following process steps: firstly, processing a conical sleeve connector, and secondly, cleaning the conical sleeve connector to ensure that the inner surface of the conical sleeve is smooth; and thirdly, tightly binding the steel wire rope at a certain distance from the end of the steel wire rope by using an iron wire to prevent the steel wire rope strands from loosening. Fourthly, the steel wire rope penetrates through the tapered sleeve connector from the small-diameter end of the tapered sleeve connector, fifth, the steel wire rope for binding the iron wire to the end part is divided into strands, then each strand is divided into strands in sequence, a rope core is removed, the head of the steel wire rope is cleaned, one root of each steel wire is scattered to the root part of the bound iron wire, and seventh, each steel wire is bent into a small hook, but the scattered steel wires are not twisted and overlapped with each other; and seventhly, slowly pulling back the steel wire rope, enabling a hook at the end part of the steel wire rope to enter the conical sleeve connector and enabling the end part of the steel wire rope to be lower than a lower quadrant point of a pin hole in the conical sleeve connector, fixing the large opening of the conical sleeve connector upwards on a support, sealing a gap between the small opening end of the conical sleeve connector and the steel wire rope by using a heat-resistant material, pouring powder alloy into the conical sleeve connector after melting, enabling the powder alloy to overflow the steel wire rope head, performing an impact test after natural cooling, and connecting a dog head device by using a dog pin shaft.

In a preferred embodiment of the present invention, the powder alloy comprises 82 to 83 parts of Sn tin powder, 10 to 12 parts of Sb antimony powder, 5.5 to 6.5 parts of copper powder, 0.1 part of Fe iron powder, 0.1 part of As arsenic powder, and 0.3 part of Pb lead powder.

In a preferable scheme of the invention, the powder alloy is melted by a crucible, stirred by a hot iron rod during heating, the heating temperature is 400-460 ℃, and the natural cooling is natural cooling for 24 hours.

In a preferable scheme of the invention, the steel wire rope is tightly bound by an iron wire at a position 500mm away from the end of the steel wire rope, and a hook is bent at a position 30mm away from the end of the steel wire rope, wherein the length of the hook is about 15-20mm, so that a 'socket head' shape is formed.

As a preferable scheme of the invention, the conical sleeve connector is composed of a straight cylinder and a conical cylinder, the inner diameter of the small end of the conical cylinder is matched with the diameter of the steel wire rope, and the pin hole is formed in the straight cylinder.

Compared with the prior art, the steel wire rope head manufactured by the invention has the characteristics of simple structure and high connection strength, the tensile strength of the combination part of the steel wire rope and the rope head is 100 percent of that of the steel wire rope, the tensile strength of the combination part of the steel wire rope and the rope head is greatly higher than that of other rope heads such as a self-locking wedge, the potential safety hazard caused by loosening of screws is avoided, and the steel wire rope head is particularly suitable for certain large-scale equipment which cannot be disassembled.

Drawings

FIG. 1 is a front view of a schematic of the structure of the present invention;

FIG. 2 is a cross-sectional view taken along line D-D of FIG. 1;

FIG. 3 is a schematic diagram showing the dimensions of the hook of the steel wire rope end during the manufacturing process of the method of the present invention;

FIG. 4 is a front view of the structural schematic of the piece 1 of FIG. 1;

FIG. 5 is a sectional view taken along line E-E of FIG. 4;

FIG. 6 is an assembly drawing of a steel cord end made by the method of the present invention with other components;

fig. 7 is a right side view of fig. 6.

Detailed Description

As shown in the figure, the manufacturing method of the steel wire rope head comprises the following process steps: firstly, processing a conical sleeve connector 1, and secondly, cleaning the conical sleeve connector 1 to ensure that the inner surface of the conical sleeve is smooth; and thirdly, tightly binding the steel wire rope by using the iron wire 3 at a certain distance from the end of the steel wire rope 2 to prevent the steel wire rope strands from loosening. Fourthly, the steel wire rope 2 penetrates through the tapered sleeve connector 1 from the small-diameter end of the tapered sleeve connector 1, fifth, the steel wire rope 2 for binding the iron wire 3 to the end part is divided into strands, then each strand is divided into wires in sequence, a rope core is removed, sixth, the steel wire rope head 5 is cleaned, one steel wire is scattered to the root part of the bound iron wire 3, and seventh, each steel wire is bent into a small hook, but the scattered steel wires are not twisted and overlapped with each other; seventhly, slowly pulling back the steel wire rope 2, enabling a hook at the end part of the steel wire rope 2 to enter the conical sleeve connector 1 and enabling the end part of the hook to be lower than a lower quadrant point of a pin hole in the conical sleeve connector 1, fixing the large opening of the conical sleeve connector 1 upwards on a support, sealing a gap between the small opening end of the conical sleeve connector 1 and the steel wire rope 2 by using a heat-resistant material C, ninthly, pouring powder alloy into the conical sleeve connector 1 after melting and overflowing a steel wire rope head, carrying out an impact test after naturally cooling, and connecting a hook head device by using a pin shaft 4.

The powder alloy comprises 82-83 parts of Sn-Sn powder, 10-12 parts of Sb-Sb powder, 5.5-6.5 parts of copper powder, 0.1 part of Fe iron powder, 0.1 part of As-As powder and 0.3 part of Pb-Pb powder.

The powder alloy is melted by a crucible, and is stirred by a hot iron rod when being heated, wherein the heating temperature is 400-460 ℃, and the natural cooling is natural cooling for 24 hours.

The steel wire rope is tightly bound by an iron wire 3 at a position 500mm away from the end of the steel wire rope 2, a hook is hooked at a position 30mm away from the end of the steel wire rope 2, the length of the hook is about 15-20mm, and a 'socket head' shape is formed.

The conical sleeve connector 1 is composed of a straight cylinder A and a conical cylinder B, the inner diameter of the small end of the conical cylinder B is matched with the diameter of the steel wire rope 2, and the pin hole is formed in the straight cylinder A.