CN212270514U

CN212270514U - Improved steel wire rope

Info

Publication number: CN212270514U
Application number: CN202020567292.8U
Authority: CN
Inventors: 蒋红兵; 刘振宇; 朱治愿; 周江; 蒋红俊
Original assignee: Jiangsu Yasheng Metal Products Co ltd
Current assignee: Jiangsu Yasheng Metal Products Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-01
Anticipated expiration: 2030-04-16

Abstract

The utility model provides an improved steel wire rope, including central rope core and outer strander, the cross section of central rope core is regular hexagon or circular, outer strander is six strands that the structure is the same, per strand outer strander specifically includes central strand, inlayer strand and outer strand, inlayer strand is twisted with the fingers into by nine galvanized wires with central strand as the center, outer strand is twisted with the fingers into by fifteen galvanized wires, the direction of twisting of inlayer strand and outer strand is the same, inlayer strand parcel center strand, outer strand parcel inlayer strand, inlayer strand with have the filling layer between the outer strand, six strands outer strander package is twisted with fingers on the central rope core. The utility model discloses a wire rope compliance is good, light in weight, and wire rope's horizontal compressive capacity is strong, and tensile strength is big, and wear resistance is good, and antifatigue is difficult for taking place the corrosion.

Description

Improved steel wire rope

Technical Field

The utility model relates to a wire rope technical field especially relates to an improved generation wire rope.

Background

The steel wire rope is a spiral rope twisted by a certain number of strands with a rope core as the center, and the rope core is usually a metal rope core and is used for lifting, traction, tensioning and bearing in a material handling machine. Compared with a single steel bar, the steel wire rope has the advantages of high strength, light dead weight, stable work, difficulty in breaking the whole steel wire rope suddenly and reliability in work. The existing steel wire ropes mainly have the following problems: (1) the existing steel wire rope is formed by twisting steel wires, and the whole steel wire rope has low softness and poor bending property; (2) the steel wire rope produced by the traditional process is usually heavier, especially the steel wire rope with larger diameter is very inconvenient to transport and use, and the transportation cost is increased; (3) the common steel wire rope is formed by a plurality of strands into a circle, the strands are tangent to each other, the cross sections of the thin steel wires forming the strands are all circular, the contact form between the adjacent thin steel wires is line contact, the contact area is small, the tensile strength of the steel wire rope is small, and the transverse pressure bearing capacity is poor; (4) in the use process of a traditional steel wire rope, some steel wire ropes often contact with sewage, the traditional steel wire rope is often corroded by adopting a galvanizing mode, the steel wire rope is often corroded by adopting a galvanizing mode, and once a galvanized layer is removed by friction, the steel wire rope is often corroded by adopting a galvanized steel wire rope.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the softness is good that proposes, light in weight, and wire rope's horizontal compressive capacity is strong, and tensile strength is big, and wear resistance is good, and antifatigue is difficult for taking place the improved steel wire rope of corrosion.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an improved steel wire rope comprises a central rope core and outer layer strands, wherein the cross section of the central rope core is in a regular hexagon shape or a circular shape, the outer layer strands are six strands with the same structure, each outer layer strand specifically comprises a central strand, an inner layer strand and an outer layer strand, the inner layer strand is formed by twisting nine galvanized wires with the central strand as the center, the outer layer strand is formed by twisting fifteen galvanized wires, the twisting directions of the inner layer strand and the outer layer strands are the same, the inner layer strand wraps the central strand, the outer layer strand wraps the inner layer strand, a filling layer is arranged between the inner layer strand and the outer layer strand, and the six outer layer strands are wrapped and twisted on the central rope core.

Preferably, the material of the central rope core is a fiber core.

Preferably, the cross section of the central strand is circular, and the material of the central strand is a fiber core.

Preferably, the diameter of the central core is greater than or equal to the diameter of the outer lay strands, and the diameter of the central strand is greater than the diameter of the galvanized wire.

Preferably, the filler of the filling layer is polyethylene or carbon fiber.

Preferably, the galvanized wire specifically comprises a steel wire positioned at the innermost layer, a galvanized layer is coated on the steel wire, and a protective grease layer is further coated outside the galvanized layer.

Preferably, the outer surface of the outer layer strands is wrapped with a coating layer.

Preferably, the material of the coating layer is nylon, PVC or polyurethane.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the material of central strand is the fibre core, and the pliability of fibre core is better, and outer strand twisting package twists on central rope core for this wire rope's pliability obtains great improvement than the pliability of current metal core. In addition, the weight of the fiber core is lighter compared with that of the metal core, the weight of the steel wire rope formed by twisting the fiber core is reduced by about 12% compared with that of the steel wire rope with the metal core of the same diameter, the larger the diameter is, the larger the weight ratio is, and meanwhile, the fiber core has certain elastic deformation; (2) the diameter of the central rope core is larger than or equal to that of the outer layer strands, the diameter of the central strand is larger than that of the galvanized wire, the diameter of the central rope core is larger, in order to prevent the outer layer strands of the steel wire rope from being overhead in the rope combining process, the phenomenon that the outer layer strands of the steel wire rope and the central rope core are in two layers of skins occurs, the central rope core is extruded due to frequent bending in the using process of the steel wire rope, the service life of the steel wire rope is influenced, the diameter of the central strand in the outer layer strands is larger than that of the galvanized wire, and the central strand is prevented from slipping out; (3) polyethylene or carbon fiber is arranged between the inner layer strand and the outer layer strand, so that on one hand, the contact between the inner layer strand and the outer layer strand is increased, the tensile strength of the outer layer stranded strand is increased, and on the other hand, elastic material is filled in the outer layer stranded strand, so that the outer layer stranded strand has better flexibility; (4) the galvanized wire specifically comprises a steel wire positioned on the innermost layer, a galvanized layer is coated on the steel wire, and a protective grease layer is further coated outside the galvanized layer. The protective grease layer fully lubricates all steel wires in the strand, enhances the corrosion resistance of the steel wires, and then performs strand compaction treatment, so that the twisting tightness, the wear resistance and the corrosion resistance of the strand are improved, the fatigue resistance of the steel wire rope is improved, and the steel wire rope is also provided with a zinc coating layer to prevent the steel wire rope from being corroded to influence the performance of the steel wire rope; (5) outer stranding surface parcel has the protective layer that the coating was made, and outer stranding extrudees inside central rope core, the in close contact between the outer stranding of per share, and the coating can prevent that the grease from spilling over, and the outer grease of steel wire line can make and obtain the lubrication between the zinc-plated line in inlayer thigh and the outer thigh, alleviates the wearing and tearing that the friction of each other caused between the zinc-plated line, and direct friction between the outer stranding of also avoiding simultaneously in the coating, extension wire rope life improves wire rope's wear resistance.

Drawings

Fig. 1 is a schematic perspective view of an improved steel wire rope according to the present invention;

FIG. 2 is a schematic cross-sectional view of an improved wire rope of the present invention;

FIG. 3 is a schematic cross-sectional view of a galvanized wire of an improved steel wire rope according to the present invention;

fig. 4 is a schematic cross-sectional view of an outer layer strand of an improved steel cord of the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail. As shown in fig. 1 and 2, an improved steel wire rope comprises a central rope core 100 and outer layer strands 200, wherein the cross section of the central rope core 100 is regular hexagon or round, the outer layer strands 200 are six strands with the same structure, each outer layer strand 200 specifically comprises a central strand 210, an inner layer strand 220 and an outer layer strand 230, the inner layer strand 220 is formed by twisting nine galvanized wires 240 with the central strand as the center, the outer layer strand 230 is formed by twisting fifteen galvanized wires 240, the twisting directions of the inner layer strand 220 and the outer layer strand 230 are the same, the inner layer strand 220 wraps the central strand, the outer layer strand 230 wraps the inner layer strand, a filling layer 250 is arranged between the inner layer strand 220 and the outer layer strand 230, and the six outer layer strands 200 wrap the central rope core 100.

In one embodiment, as shown in fig. 1, the central core 100 is made of a fiber core, the cross section of the central strand 210 is circular, and the central strand 210 is made of a fiber core. The flexibility of the fiber core is good, and the outer layer stranding 200 is wrapped and twisted on the central rope core 100, so that the flexibility of the steel wire rope is greatly improved compared with the flexibility of the existing metal core. In addition, the weight of fibre core compares metal core and is lighter, and the weight ratio of the wire rope of the metal core of the same diameter of the weight ratio of using fibre core to twist the shaping has reduced about 12% to the diameter is big more the weight that lightens accounts for than just more big, and fibre core has certain elastic deformation simultaneously, and the wire rope that adopts fibre core to make is when receiving transverse pressure, and certain elastic deformation can appear in the fibre core, cushions the power that transversely receives, makes the holistic horizontal bearing capacity of wire rope improve.

In one embodiment, as shown in fig. 1, the diameter of the central core 100 is greater than or equal to the diameter of the outer lay strands 200, and the diameter of the central strand 210 is greater than the diameter of the galvanized wire 240. The diameter of the central rope core 100 is large, in order to prevent the phenomenon that the outer layer stranding 200 of the steel wire rope is overhead in the rope combining process, the outer layer stranding 200 of the steel wire rope and the rope core 100 are in the phenomenon of 'two layers of skins', the phenomenon that the rope core 100 is extruded due to frequent bending in the using process of the steel wire rope is caused, the service life of the steel wire rope is influenced, the diameter of the central rope 210 in the outer layer stranding 200 is larger than that of the galvanized wire 210, and the phenomenon that the central rope 210 slides out is prevented.

In one embodiment, as shown in fig. 4, the filler 250 of the filler layer is polyethylene or carbon fiber. Set up polyethylene or carbon fiber between inner ply thigh 220 and the outer ply 230, the contact between increase inner ply thigh 220 and the outer ply 230 on the one hand, increase outer ply strake 200's tensile strength, on the other hand is filled with elastic material, therefore outer ply strake 200 has better pliability.

In one embodiment, as shown in fig. 3, the galvanized wire 240 specifically includes an innermost steel wire 241, the steel wire is coated with a galvanized layer 242, and the galvanized layer is further coated with a protective grease layer 243. The protective grease layer 243 fully lubricates all steel wires in the strand, enhances the corrosion resistance of the steel wires, and then performs strand compaction treatment, so that the twisting tightness, the wear resistance and the corrosion resistance of the strand are increased, the fatigue resistance of the steel wire rope is improved, and the steel wire rope is also provided with a zinc coating 242 to prevent the steel wire rope from being corroded to influence the performance of the steel wire rope.

In one embodiment, as shown in fig. 4, the outer surface of the outer layer strand 200 is coated with a coating layer 260. The coating layer 260 is made of nylon, PVC or polyurethane. Outer 200 surface parcel of strand stranding have the protective layer that the coating was made, as shown in fig. 1, outer 200 extrusion inside central rope cores of strand stranding, in close contact with between 200 strand stranding of every strand, coating 260 can prevent that the grease from spilling over, the outer grease of steel wire line can make and obtain the lubrication between the galvanized wire in inlayer strand 220 and outer 230 strand, alleviate the wearing and tearing that the friction of each other caused between the galvanized wire, direct friction between the outer 200 strand stranding of strand stranding is also avoided to coating 260 simultaneously, the service life of the wire rope is prolonged, the wear resistance of the wire rope is improved.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. An improved steel wire rope is characterized in that: the cross section of the central rope core is regular hexagon or circular, the outer layer strands are six strands with the same structure, each outer layer strand specifically comprises the central strand, an inner layer strand and an outer layer strand, the inner layer strand is twisted by nine galvanized wires with the central strand as the center, the outer layer strand is twisted by fifteen galvanized wires, the twisting directions of the inner layer strand and the outer layer strand are the same, the inner layer strand wraps the central strand, the outer layer strand wraps the inner layer strand, a filling layer is arranged between the inner layer strand and the outer layer strand, and the six outer layer strands are twisted on the central rope core.

2. An improved steel cord as claimed in claim 1, wherein: the central rope core is made of a fiber core.

3. An improved steel cord as claimed in claim 1, wherein: the cross section of the central strand is circular, and the central strand is made of a fiber core.

4. An improved steel cord as claimed in claim 1 or 3, wherein: the diameter of the central rope core is larger than or equal to that of the outer layer stranding, and the diameter of the central strand is larger than that of the galvanized wire.

5. An improved steel cord as claimed in claim 1, wherein: the filler of the filling layer is polyethylene or carbon fiber.

6. An improved steel cord as claimed in claim 1, wherein: the galvanized wire specifically comprises a steel wire positioned on the innermost layer, a galvanized layer is coated on the steel wire, and a protective grease layer is further coated outside the galvanized layer.

7. An improved steel cord as claimed in claim 1, wherein: and the outer surface of the outer layer stranded strand is wrapped with a coating layer.

8. An improved steel cord as claimed in claim 7, wherein: the coating layer is made of nylon, PVC or polyurethane.