CN210104419U

CN210104419U - Single-channel single-strand steel wire rope

Info

Publication number: CN210104419U
Application number: CN201920729547.3U
Authority: CN
Inventors: 王小刚; 贺孝宇; 杨程; 曾波; 严志远; 陈建辉
Original assignee: Guizhou Steel Rope Co Ltd
Current assignee: Guizhou Steel Rope Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-21
Anticipated expiration: 2029-05-21

Abstract

The single-channel single-strand steel wire rope sequentially comprises a central spring tube, a steel wire inner layer and a sealing outer layer from inside to outside; the central spring tube is a hollow cylindrical spiral spring wound by a steel wire in a spiral way; the inner layer of the steel wire at least comprises a layer of steel wires, and the number of the steel wires in each layer is not less than 15; the section of the steel wire of the inner steel wire layer is in one of a circular shape, a Z shape, a T shape or an H shape; the sealing outer layer is a plastic coating which is formed by coating and sealing along the circumferential direction of the steel wire rope; the diameter of the single-channel single-strand steel wire rope is not less than 20 mm. The utility model discloses have and conveniently provide the pipeline that realizes signal transmission and handle, can offset outside article by a wide margin and act on wire rope pressure and prevent that unexpected rope diameter from changing, can alleviate steel cable weight and do not lose the energy-conserving effect of wire rope function. The steel wire rope of the utility model has long service life; the manufacturing method saves materials.

Description

Single-channel single-strand steel wire rope

Technical Field

The utility model relates to a single channel single strand wire rope belongs to wire rope and makes technical field.

Background

The steel wire rope is a rope formed by twisting a plurality of rope-making steel wires according to a certain rule. The central part of wire rope cross sectional shape is the rope core, and its rope core material can be the combination of natural fibre, synthetic fiber, mineral core, single steel wire and many steel wires, and rope core cross sectional shape is solid, plays the outside and the rust-resistant effect of oil storage of support wire rope cross sectional shape.

Along with the needs of specific control functions in the transportation process of dragging, lifting, placing and the like of objects by using a steel wire rope in some fields, for example, the steel wire rope needs to monitor and measure various operation change states of a heavy object in the process of lifting the heavy object, and then is automatically adjusted according to a set value, a rope core can provide a channel for a pipeline form, so that signal transmission processing can be conveniently realized through cables, wireless communication and other means, the existing solid rope core technology cannot provide the channel, and only additional equipment is added for realizing the signal processing, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve current solid rope core technique and can't provide the passageway, and will realize that signal processing can only be extra increase and equip, will cause the technical problem of incremental cost like this.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the single-channel single-strand steel wire rope sequentially comprises a central spring tube 1, a steel wire inner layer 2 and a sealing outer layer 3 from inside to outside;

the central spring tube 1 is a hollow cylindrical spiral spring wound by a steel wire in a spiral manner;

the inner diameter of the central spring tube 1 is 10-30 mm, the outer diameter is 20-40 mm, and the pitch is not more than 0.16 mm;

the steel wire inner layer 2 at least comprises one layer of steel wires, and the number of the steel wires in each layer is not less than 15;

the section of the steel wire inner layer 2 is in one of a circular shape, a Z shape, a T shape or an H shape;

the sealing outer layer 3 is a plastic coating which is formed by coating and sealing along the circumferential direction of the steel wire rope;

the section of the steel wire of the central spring tube 1 is in one of a circular shape, a Z shape, a T shape or an H shape;

the diameter of the single-channel single-strand steel wire rope is not less than 20 mm.

Adopt above-mentioned technical scheme's beneficial effect:

1. the utility model discloses have and conveniently provide the pipeline that realizes signal transmission and handle, can offset outside article by a wide margin and act on wire rope pressure and prevent that unexpected rope diameter from changing, can alleviate steel cable weight and do not lose the energy-conserving effect of wire rope function.

2. The steel wire rope of the utility model has long service life; the manufacturing method saves materials.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1-a central spring tube, 2-a steel wire inner layer and 3-a sealing outer layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1, the single-channel single-strand steel wire rope sequentially comprises a central spring tube 1, a steel wire inner layer 2 and a sealing outer layer 3 from inside to outside;

the inner diameter of the central spring tube 1 is 15mm, the outer diameter of the central spring tube is 30mm, and the pitch of the central spring tube is not more than 0.16 mm;

the steel wire inner layer 2 comprises two layers of steel wires, the number of the steel wires in each layer is 15, and the total number of the steel wires is 30;

the cross sections of the steel wires of the two steel wire inner layers 2 are Z-shaped;

The manufacturing method of the utility model is as follows:

the first step is as follows: spring tube manufacture

a. Production of steel wire for spirally wound spring tube

The steel wire for the spiral wound spring tube is round, and 60 percent of raw materials for the steel wire are selected^#The hot rolling production of the steel and the high-quality carbon steel hot rolling wire rod with the diameter of 6.5mm, the diameter of the semi-finished steel wire is 5.50 +/-0.02 mm, the finished steel wire is drawn by 8 passes, and the drawing process route is 5.50mm → 4.70mm → 4.16mm → 3.70mm → 3.35mm → 3.03mm → 2.75mm → 2.60mm → 2.50 mm; the diameter of the finished steel wire is 2.5mm, the diameter deviation is +/-0.02 mm, the tensile strength of the steel wire is 1600-1800 MPa, and the surface of the steel wire is provided with a phosphating coating.

b. Coiled spring tube

A round steel wire with the diameter of 2.5mm is spirally wound to form a spring tube, the diameter of an inner hole of the wound spring tube is 15mm +/-0.2 mm, the outer diameter of the wound spring tube is 20mm +/-0.2 mm, and the rotation direction of the spring is right; the spring tube is transversely placed on a horizontal plane in a static manner in a natural state, the pitch of the spring tube is not more than 0.16mm, the steel wire wound spring is formed in one step, the middle of the spring is not interrupted, a welding joint is not formed, the inner surface and the outer surface of the spring are smooth, foreign matters and oil stains are avoided, the whole length of the spring is free of deformation and distortion, and the surface of the steel wire is not damaged.

The second step is that: strand manufacturing

a. Manufacture of Z-shaped steel wire for rope making

Producing Z-shaped steel wires for rope making with the height of 4.0 +/-0.10 mm; selecting 80 parts of steel wire raw material^#High-quality carbon steel hot-rolled wire rods; performing cold drawing to obtain a semi-finished steel wire of 6.0-8.0, performing patenting and sorbitizing treatment, wherein the semi-finished steel wire after heat treatment has the tensile strength of 1200-1300 MPa, the torsion is more than or equal to 25 times, and the elongation is more than or equal to 8%; and then the steel wire is manufactured into a Z-shaped steel wire for rope manufacturing with the height of 4.0 +/-0.10 mm through die drawing, and the surfaces of the wire rod and the steel wire are all provided with phosphating coatings in the whole manufacturing process.

b. Strand manufacturing

Is formed by twisting fifteen Z-shaped steel wires with the height of 4.0 +/-0.10 mm around a spring tube; steel wire rope twisting technological parameters: the diameter of the steel wire rope is 27.60-28.40 mm, the lay length of the steel wire rope is 195mm, the lay direction of the steel wire rope is right alternate lay, the distance between pre-deformation rollers is 165mm, the pre-deformation bending depth is 60mm, the specification of a line pressing tile is 29mm, and the aperture of a sizing roller is 28 mm; the steel wire rope twisting requirement is as follows: before production, the line passing part and the pre-deformer of the production equipment are wiped clean, the line passing part cannot be grooved and damaged, and each line passing roller rotates flexibly; the tightness of the brake rope of the spool is adjusted, the uniform twisting tension is ensured, the steel wire does not become shell or loose, and the twisting degree of the steel wire rope is less than or equal to +180 degrees; fifteen Z-shaped steel filaments are again twisted around the previously described steel cord and so on.

The third step: rope formation production

And (3) coating the steel wire rope with plastic along the circumferential direction, wherein the thickness of the coating is not less than 1mm, so that the finished rope is completely sealed.

The utility model discloses a rope core design is the pipeline type, must fully consider necessary pliability of wire rope, bear the weight of the broken ability, tensile extrusion to the influence degree that pipeline rope core shape changes, therefore to including the pipeline rope core wire rope structure, size, shape precision and elastic modulus etc. provide higher requirement.

Claims

1. Single channel single strand wire rope, characterized by: the steel wire sealing device sequentially comprises a central spring tube (1), a steel wire inner layer (2) and a sealing outer layer (3) from inside to outside;

the central spring tube (1) is a hollow cylindrical spiral spring wound by a steel wire in a spiral manner;

the inner diameter of the central spring tube (1) is 10-30 mm, the outer diameter is 20-40 mm, and the pitch is not more than 0.16 mm;

the steel wire inner layer (2) at least comprises a layer of steel wires, and the number of the steel wires in each layer is not less than 15;

the sealing outer layer (3) is a plastic coating which is formed by coating and sealing along the circumferential direction of the steel wire rope.

2. The single channel single strand wire rope of claim 1, wherein: the cross section of the steel wire of the central spring tube (1) is in one of a circular shape, a Z shape, a T shape or an H shape.

3. The single channel single strand wire rope of claim 1, wherein: the section of the steel wire inner layer (2) is in one of a circular shape, a Z shape, a T shape or an H shape.

4. The single channel single strand wire rope of claim 1, wherein: its diameter is not less than 20 mm.