JPS6020516B2 - Smooth steel rope rope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the field of steel production, and more particularly to smooth rope steel produced from metal wire and used in various industrial fields.

The present invention is extremely effective when used in various types of hot water drawing mechanisms having large diameter and small diameter winding drums. [Prior Art] In many load lifting mechanisms and lifting systems, the expected properties of drawn steel are physically contradictory properties, namely a high degree of flexibility and wear resistance.

The former property is achieved by using a large number of thin wires, while the latter property requires the use of a small number of thick wires. Therefore, no steel mill according to the known art has both of the above properties. Technically, various constructions of ropes and cables with smooth strands are known, including those in which the strands consist of a circular wire wrapped around a core (East German Patent No. 5).
No. 67004, West German Patent No. 830015, U.S. Patent No. 2018461 and No. 3457718, Soviet Invention Document No. 89792 and No. 500305, etc.) 656123, US Pat. No. 2,122,911, etc.).

Smooth rope steel elements according to the known art are generally wear resistant but have poor flexibility. For example, U.S. Patent No. 21229 mentioned above.
No. 11 discloses a device in which a plurality of single wires with a trapezoidal cross section are wound spirally around a core, but it seems that the wear resistance is high due to good contact between the wires, but the outer The wire has a large cross-sectional area and is particularly inflexible because it is arranged with the long base of the trapezoid facing outward. [Problems to be Solved by the Invention] Therefore, these steel blanks are mainly used in mines, hot water drawing mechanisms, etc. that use large-diameter pulley devices or drums.

Even if these steel materials are used in drawing mechanisms having relatively small diameter pulleys and drums, they are inefficient and inappropriate. This is primarily due to the fact that smooth core steel wires, especially those with large diameters, require thicker and therefore less flexible wires to form the outer layer of the core than the wires in the inner layer. be. Moreover, larger wires produced by conventional methods end up being less strong than thinner wires, resulting in lower tensile strength of the steel as a whole. Steel wires of the former construction are circular in cross-section and therefore contact adjacent wires in the helical layer, thus leaving significant metal-free areas in the child rope.

Steel rope wires with such construction are subject to rapid wear. The tensile strength of such steel blanks is limited due to the relatively low degree of metal filling of the rope cross section and the relatively low strength of the large diameter wire. Non-circular steel wires with the latter structure have good contact with adjacent wires over the entire stranding surface, strong wear resistance, and a high degree of metal filling in the rope cross section, but at the same time, in this type of structure, Because thicker wire is required in the manufacture of steel element rope, other things being equal, the flexibility is poor and the wire strength is low.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to eliminate the above-mentioned drawbacks of the known art steel blanks and to develop a smooth strand steel with latches arranged in such a way as to ensure a high degree of flexibility as well as a high degree of wear resistance and strength of the steel blank. It's about providing the basics.

To achieve the above objects, an object of the present invention is to provide a smooth rope steel element consisting of a shaped rope made from wire wound on a core, in which at least a portion of the wire in the wire is combustible. It is an object of the present invention to provide the smooth wire rope elements in the form of a wire assembly, in which the wires are fan-shaped and in contact with each other over the entire stranding surface. In order to make a steel rope from a wire and to make at least a portion of the wire into the stranded wire assembly, a thin and therefore flexible wire must be used, since the wire is sector-shaped; The degree of metal filling in the cross-section of the aggregate is increased, thus increasing the strength of the aggregate. All of the above features together allow such a wire assembly to act as a single wire of equal cross-sectional area and high strength. At the same time, the flexibility of such wire assemblies is increased, since the wires that make up the assemblage can be displaced somewhat relative to each other when the steel element is bent, thus combining fan shape and high strength in one assemblage. This can improve the wear resistance of the steel element and the rope as a whole.
[Embodiment] Further, in one embodiment of the invention, all the wires in the child line constitute a stranded assembly, in which the wires are fan-shaped and in contact with each other over the entire combustion surface. It is characterized by the fact that

It is expedient to arrange a stranded wire assembly around the periphery of the child rope, so that the stranded wire assembly replaces thicker wires with less flexibility and strength.

In some smooth rope steel cable structures, an intermediate wire layer may be provided between the stranded wire assembly and the core, and the cross-sectional area of the intermediate layer wire is equal to the cross-sectional area of the wires constituting the stranded wire assembly. This approximation improves the physical uniformity of the steel wire and makes the working conditions of the wire more uniform in the child rope and in the entire steel wire.

It is also advisable to construct the twisted wire ropes with the same number of wires of the same type.

This greatly simplifies the manufacture of both the bundles and the steel element ropes, helps provide wires with physical uniformity, and provides extremely uniform operating conditions for the stranded wire bundles in the bundles and throughout the rope. Make it familiar. It is likewise expedient to form the child rope core into at least one stranded wire assembly, in which the wires are fan-shaped and contact each other over the entire stranding surface.

According to the invention, the bundles of strands in the child rope have a modified cross-section and are in contact with each other over the entire stranding surface.

This is useful for expanding the contact surface within the aggregate as well as between the aggregates, contributing to increasing the wear resistance of the rope and the entire steel element, and maximizing the degree of metal filling in the cross section of the rope. .

Furthermore, it is desirable that the cross-sectional areas of the wires forming the twisted wire assembly constituting the child rope layer and the core are similar to each other.

In some smooth strand steel structures, a single wire may be inserted between the stranded wire assemblies of the strands to increase the degree of metal filling of the strand cross section.

In that case, the single wire may be non-circular. Furthermore, according to an embodiment of the invention, in the case of single-strand steel rope production, the cross-section of the rope is rectangular, so that the steel strip fits well into the grooves of the pulley and drum, and is suitable for friction drive. Achieving size, tensile modulus, high degree of abrasion resistance and durability.

Thus, the smooth steel rope steel presented here has a high degree of flexibility with improved strength and wear resistance, resulting in considerably extending the service life of the steel and expanding its applications. In addition, it offers the possibility of constructing large-diameter smooth steel rope elements using wires having the desired strength.

The present invention will be described in more detail below with reference to the accompanying drawings showing some of the embodiments described above.

With reference to the accompanying drawings, the smooth rope steel element presented herein is a modified version of several ropes 1 shown in FIGS. 1 to 3 or one shown in FIGS. 4 to 8. Consists of child rope.

Each of the child ropes 1 is made from wires 3 and 3a wound around a core 2, the cross-sectional area of wire 3 being considerably smaller than the cross-sectional area of wire 3a. The number of child ropes 1 in one steel element is not fixed, as shown in FIGS. 1 and 3, but depends on the specific purpose of the steel rope.

For the sake of simplicity, the structure of one child rope is shown in FIGS. 1 to 3, and the other child ropes are shown as closed curves for convenience. The core is placed in the center of the steel element 4, the material of which is the same kind of metal as the wire of the child rope, softer than the wires 3 and 3a, metal, organic or synthetic.

Since the core has no meaning in the claims of the present invention, the core is not shown in FIG. 1 to avoid confusion in the drawings.
A child rope 1 having any of the structures shown in Figures 1 to 8
A key element consisting of one piece is rectangular in cross section and therefore fits well into the sliding grooves of pulleys and drums.

Such rectangular steel blanks are used in a wide range of hoisting equipment and conveying equipment (
Designed for use in mines, elevators, ropeways, etc.). In that case, any of the child ropes 1 shown in FIGS. 4 to 8 is used for manufacturing a smooth child rope steel element consisting of several child ropes. The steel element rope 1' may be a single layer of wire, as shown in FIGS. 1 and 2, or it may be several layers, for example two layers, as shown in FIG.

In each of the child ropes 1 (FIG. 1) consisting of wires 3 and 3a, a portion of the wires, e.g. wire 3, is connected to the stranded wire assembly A.
The cross-sectional area of the assembly A of wires 3 is equal to or approximates the cross-sectional area of the wires 3a.

The wires 3 in said assembly A are constructed in the shape of a sector and have straight sections 5 in the plane of the figure, due to which they are in mutual contact over the entire twisting surface.

In the case of a single-layered rope, the strand assembly A is placed around the periphery of the string 1 to form the outer layer of the string.

In that case, the outer layer of the child rope may be formed only of the stranded wire assembly A having a uniform cross section (FIGS. 2 and 4), or may be formed of both the stranded wire assembly A and the single wire 3a. may be formed (first
), the cross-sectional area of the single wire 3a is equal to or approximates the cross-sectional area of the aggregate A. When the child rope 1 consists of two layers (FIG. 3), the outer layer is formed only from the stranded wire assembly A consisting of, for example, three wires 6, and the intermediate layer between the stranded wire assembly A and the core 2 is It is formed from a single wire 7, the cross section of each wire 7 approximating the cross section of the wire 6 constituting the stranded wire assembly A. In the steel element shown in FIG. 4, all the wires 8 of the child rope 1 form a twisted wire assembly A.

In each of the above assemblages A, the wire 8 is made in the shape of a sector and has a straight section 9 in the plane of the figure.
Therefore, they are in contact with each other over the entire twisted surface. In this case, the cross-sectional shape of the stranded wire assembly A can be varied, for example close to a circle (Figs. 1 to 4, 5 and 7) or trapezoidal (Figs. 6 and 8). As shown in FIG. 6, such a sandwich mold has a straight portion 10 in the plane of the figure.
Because of the straight portions 10, the stranded wire aggregates A in such a child rope are in contact with each other over the entire stranding surface. It is desirable that the number of wires in each stranded wire assembly A is the same for each rope in one steel element, for example,
3 (Fig. 3), 4 (Fig. 1, 2, 6, 7)
(Fig. 4), 5 (Fig. 4, Fig. 5), etc., and the optimum number depends on the specific use of the steel material. The core 2 in each of the steel element ropes is of any suitable design and is made of the same metal as the child wire or a softer metal (FIG. 1), or of an organic or synthetic material (FIG. 3).

In addition, the core 2 may be provided with an outer skin 11 of metal, organic material or synthetic material, as shown in FIG.

In order to simplify the steel production process and to produce steel with a more homogeneous composition, the child rope core 2 is also formed into a stranded wire assembly B as shown in FIGS. 1 and 2. The wires 12 are preferably constructed in the assembly in the form of a circle (FIG. 1) or some other shape on a sector-shaped basis (FIG. 2).

In the core 2 consisting of a sector-shaped wire 12, the wire is
Since the shape is fan-shaped and has the straight portion 13, they are in contact with each other over the entire twisting surface. Moreover, the core 2 is the fourth
As shown in the figures and FIG.
They form a fan shape and are in contact with each other over the entire twisted surface.

As shown in FIGS. 4 to 7, the stranded wire assembly B of the core 2 has a circular cross section, but it may have another shape. For example, in the rope of the smooth rope steel element shown in Fig. 8,
The twisted vertical spring aggregate B constituting the core 2 has a valley shape (triangle) in the plane of the figure.

Due to this shape, the assemblies B of the cores 2 are in contact with each other and with the strand assemblies A over the entire stranding surface. In this case, a filler C of synthetic or organic material can be placed between the assemblies B in the core 2 to more densely fill the core cross-section. The cross-sectional areas of the respective twisted wire aggregates A and B constituting the layer of the child rope 1 and the layer of the core 2 are similar.

The wire assembly A constituting the child rope consists of the same number of wires of the same type. This also applies to the twisted wire assembly BI of the core 2. As shown in FIG. 4, the child rope includes both assemblies A and B of the same number of like wires. As shown in FIGS. 6 and 7, a circular wire (not shown) or a non-circular wire 15 is placed between the bundles B of the child core.

The smooth strand steel bars and their strands presented herein and illustrated in FIGS. 1 through 8 can be manufactured in any suitable manner using any suitable method.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional diagram of a smooth child rope steel cable according to the present invention, which is made up of six identical child ropes, and the cross section of one of the child ropes is shown. Figure 2 is a diagram similar to Figure 1 showing another rope structure, and Figure 3 shows a smooth rope steel element consisting of four ropes, with each rope having a structure arranged around the rope. There is an intermediate layer of single wire between the strand assembly and the core. Figure 4 is a cross-sectional diagram of a steel element rope with a stranded wire assembly as its core, Figure 5 is a cross-sectional diagram showing the structure of another core, and Figure 6 is a diagram showing a core made of a stranded wire assembly and a single wire. FIG. 7 is a cross-sectional diagram showing another rope structure, and FIG. 8 is a cross-sectional diagram of a steel rope rope having a core made of a fume-shaped strand assembly. 1...
...Children's rope, 2...Coin, 3,3a...
・Wire, 4... Center of steel element, 5...
Straight line section, 6, 7, 8. ．．・．． ．．・Wire, 9, 10・
... Straight line part, 11 ... Outer skin, 12 ...
...Wire, 13...Straight section, 14,1
5...Wa, A, 8...Twisted wire assembly, C...Filling material. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8

Claims (1)

[Claims] 1. In a smooth rope steel cable consisting of a wedge-shaped rope 1 made of wires 3, 3a wound on a core 2, at least a part of the wires 3 in the rope 1 are twisted. The smooth rope steel rope is characterized in that it has a wire assembly A, and the wires 3 in the stranded wire assembly A have a fan shape and are in contact with each other over the entire stranded area. 2. All of the wires of the child rope 1 are formed from a stranded wire assembly A, in which the wire has a fan shape,
The smooth rope steel cable according to claim 1, wherein the smooth rope steel cables are in contact with each other over the entire area of the twisted surface. 3. The smooth strand steel cable according to claim 1 or 2, wherein the stranded wire assembly A in the strand is arranged around the strand. 4 There is an intermediate layer of wires 7 between the stranded wire assembly A of the child rope 1 and the core 2, and the cross-sectional area of each wire 7 is approximately the cross-sectional area of the wire 6 constituting the stranded wire assembly A. The smooth rope steel cable according to claim 3, characterized in that: 5. The smooth strand steel cable according to any one of claims 1 to 3, wherein the stranded wire assembly A of the strands is made of the same number of wires of the same type. 6. The core 2 of the child rope is likewise formed from a twisted wire assembly B, in which the wires are fan-shaped and in contact with each other over the entire stranded surface. A smooth rope steel cable according to claim 4. 7. The smooth wire according to any one of claims 1 to 5, wherein the twisted wire assembly A of the child rope has a wedge-shaped cross section and is in contact with each other over the entire area of the twisted surface. Rope steel rope. 8. According to claim 6, the cross-sectional areas of the wires forming the twisted wire assemblies A and B constituting the layer of the rope 1 and the layer of the core 2, respectively, are similar to each other. Smooth rope steel rope. 9. A smooth rope steel cable according to any one of claims 1 to 8, characterized in that a single wire 15 is placed between the stranded bundles of the ropes. 10. The smooth rope steel cable according to claim 9, characterized in that the single wire 15 is a non-circular wire. 11. The smooth rope steel cable according to any one of claims 1 to 10, characterized in that the cross section of the rope is wedge-shaped and is composed of a single rope.