CN211620994U

CN211620994U - Cold and hot resistant high-elasticity asphalt coating steel wire rope

Info

Publication number: CN211620994U
Application number: CN201922489641.9U
Authority: CN
Inventors: 蒋红兵; 蒋红俊; 徐峰
Original assignee: Jiangsu Yasheng New Material Technology Co ltd
Current assignee: JIANGSU YASHENG METAL PRODUCTS CO.,LTD.
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a cold-resistant hot high elasticity asphalt coating wire rope, including rope core, outer thigh and pitch coating, the rope core includes metal core and plastic coating again, and the pitch coating is on outer thigh surface to fill the space between the outer thigh, the plastic coating is coated on the metal core surface, and fills the space between the metal core, still is provided with the fibre core between plastic coating and the outer thigh, further strengthens elasticity. In an extremely cold environment, the asphalt coating becomes hard and adheres to the surface of the outer strand, so that the steel wire rope is protected from becoming brittle, and the steel wire rope is prevented from being broken; in a high-temperature environment, the asphalt coating cannot melt at the maximum temperature of 70 ℃ and adheres to the surface of the outer strand, so that the steel wire rope is protected from deformation, and the steel wire rope is prevented from being broken; through the setting of plastic coating to and the setting that the direction of twist is the same inside and outside the wire rope, increased the line contact, improved wire rope's fatigue resistance ability, prolonged wire rope's life.

Description

Cold and hot resistant high-elasticity asphalt coating steel wire rope

Technical Field

The utility model relates to a stainless steel wire rope field especially relates to a cold-resistant hot high elasticity asphalt coating wire rope.

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 high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work.

The steel wire rope needs to bear the alternating load in the using process, and the using performance of the steel wire rope is mainly determined by the mechanical property of the steel wire, the surface state of the steel wire and the structure of the steel wire rope.

The steel wire rope has a plurality of application scenes, the most used place is generally used in coal mines and iron ores, then is used in various cranes and ships in ports, and then is used in petroleum industry including offshore oil fields, tower cranes of buildings, traveling cranes and truck cranes of various factories and the like. The application environment of the steel wire rope is very wide, and the steel wire rope is often used in extremely cold or high temperature environments and the like, so that the steel wire rope is required to have good cold resistance and high temperature resistance, and the steel wire rope is prevented from being broken. In the prior art, the application of the steel wire rope mainly has the following problems:

1. in an extremely cold environment, the surface of the steel wire rope becomes brittle, and the strength is reduced, so that the steel wire rope is broken;

2. in a high-temperature environment, the surface of the steel wire rope is affected by high temperature and is easy to deform, so that the steel wire rope is broken;

3. the wire contact in the steel wire rope is insufficient, so that the fatigue resistance of the steel wire rope is poor, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cold and hot resistant high-elasticity asphalt coating steel wire rope.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cold-resistant hot high elasticity asphalt coating wire rope, includes rope core, outer thigh and pitch coating, the rope core includes metal core and plastic coating again, the metal core comprises 7 internal steel wires, outer thigh quantity is six strands, and every thigh includes 7 outer steel wires again, the pitch coating is on outer thigh surface to fill the space between the outer thigh, the plastic coating is on the metal core surface, and fill the space between the metal core, still be provided with the fibre core between plastic coating and the outer thigh. The asphalt coating becomes hard under extremely cold conditions and is attached to the surface of the outer strand, so that the steel wire rope is protected from becoming brittle, and the steel wire rope is prevented from being broken; the steel wire rope can not melt at the maximum temperature of 70 ℃ in a high-temperature environment and is attached to the surface of the outer strand, so that the steel wire rope is protected from deformation, and the steel wire rope is prevented from being broken. The rope core is provided with the plastic coating outward, has increased the line contact between outer thigh and the rope core, has improved wire rope's fatigue resistance ability, extension wire rope's life.

Preferably, the fibre core includes 6, fibre core shape is the similar pentagon that five arc limits are constituteed, including big recess and little recess, big recess includes 1, little recess includes 4, big recess and four little recess end to end formation similar pentagon's shape, the fibre core set up can strengthen the extensibility of steel cable.

Preferably, the fiber core comprises a plurality of fiber filaments, the fiber filaments being sisal filaments, carbon fiber filaments or nylon filaments.

Preferably, the diameter of the inner steel wire is smaller than the diameter of the outer steel wire, facilitating the application of a plastic coating, thereby increasing the line contact.

Preferably, the outer part of the inner steel wire is also provided with a zinc coating layer which plays a role in corrosion prevention.

Preferably, the outer steel wire is also provided with a zinc coating layer outside to play a role in corrosion prevention.

Preferably, the twisting direction of the metal core faces to the right, each twisting direction of the outer layer strands faces to the right, the overall twisting direction of the outer layer strands faces to the right, the inner twisting direction and the outer twisting direction of the steel wire rope are the same, and line contact is further increased.

Preferably, the cross-sectional shape of the metal core is regular hexagon, so that the plastic coating can be conveniently coated.

Preferably, each section of the outer layer strand is in a regular hexagon shape, and the whole section of the outer layer strand is in a regular hexagon shape, so that the asphalt coating can be conveniently coated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. a fiber core is arranged between the plastic coating and the outer layer strand, so that the extensibility of the steel wire rope is increased, and the steel wire rope has elasticity and is not easy to break;

2. in an extremely cold environment, the asphalt coating becomes hard and adheres to the surface of the outer strand, so that the steel wire rope is protected from becoming brittle, and the steel wire rope is prevented from being broken;

3. in a high-temperature environment, the asphalt coating cannot melt at the maximum temperature of 70 ℃ and adheres to the surface of the outer strand, so that the steel wire rope is protected from deformation, and the steel wire rope is prevented from being broken;

4. through the setting of plastic coating to and the setting that the direction of twist is the same inside and outside the wire rope, increased the line contact, improved wire rope's fatigue resistance ability, prolonged wire rope's life.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a cross section of a fiber core of embodiment 1 of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the inner steel wire and the outer steel wire in embodiment 1 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.

Referring to fig. 1, the cold and heat resistant high-elasticity steel wire rope with the asphalt coating comprises a rope core 1, outer strands 2 and an asphalt coating 3, wherein the rope core 1 further comprises a metal core 101 and a plastic coating 102, the metal core 101 is composed of 7 inner steel wires 103, the number of the outer strands 2 is six, each strand comprises 7 outer steel wires 201, the asphalt coating 3 is coated on the surface of the outer strands 2 and fills gaps among the outer strands 2, the plastic coating 102 is coated on the surface of the metal core 101 and fills gaps among the metal cores 101, and a fiber core 5 is further arranged between the plastic coating 102 and the outer strands 2. The asphalt coating 3 is hardened under extremely cold conditions and is attached to the surface of the outer layer strand 2, so that the steel wire rope is protected from becoming brittle, and the steel wire rope is prevented from being broken; the steel wire rope can not melt at the maximum temperature of 70 ℃ in a high-temperature environment and is attached to the surface of the outer layer strand 2, so that the steel wire rope is protected from deformation, and the steel wire rope is prevented from being broken. The plastic coating 102 is arranged outside the rope core 1, so that the line contact between the outer layer strand 2 and the rope core 1 is increased, the fatigue resistance of the steel wire rope is improved, and the service life of the steel wire rope is prolonged.

Referring to fig. 1, the fiber cores 5 include 6 fiber cores, the fiber cores 5 are shaped like a pentagon formed by five arc-shaped sides, and include a large groove 501 and a small groove 502, the large groove 501 includes 1 fiber core, the small groove 502 includes 4 fiber cores, the large groove 501 and the four small grooves 502 are connected end to form a pentagon shape, and the fiber cores 5 are arranged to enhance the extensibility of the steel rope.

Specifically, the fiber core 5 comprises a plurality of fiber yarns, and the fiber yarns are sisal yarns, carbon fiber yarns or nylon yarns.

Specifically, the diameter of the inner steel wire 103 is smaller than that of the outer steel wire 201, so that the plastic coating 102 can be coated conveniently, and the line contact is increased.

Referring to fig. 2, a zinc coating layer 4 is further disposed on the outer portion of the inner steel wire 103 to prevent corrosion.

Referring to fig. 2, a zinc coating layer 4 is further disposed outside the outer steel wire 201 to prevent corrosion.

Specifically, the twisting direction of the metal core 101 faces to the right, each twisting direction of the outer layer strands 2 faces to the right, the overall twisting direction of the outer layer strands 2 faces to the right, the inner twisting direction and the outer twisting direction of the steel wire rope are the same, and wire contact is further increased.

Referring to fig. 1, the cross-sectional shape of the metal core 101 is regular hexagon, which facilitates the coating of the plastic coating 102.

Referring to fig. 1, each cross-sectional shape of the outer layer strand 2 is a regular hexagon, and the overall cross-sectional shape of the outer layer strand 2 is a regular hexagon, which facilitates the coating of the asphalt coating 3.

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. The cold and hot resistant high-elasticity asphalt coating steel wire rope is characterized in that: including rope core, outer thigh and asphalt coating, the rope core includes metal core and plastic coating again, the metal core comprises 7 internal steel wires, outer thigh quantity is six strands, and every strand includes 7 external steel wires again, the coating of asphalt coating is on outer thigh surface to fill the space between the outer thigh, the coating of plastic coating is on the metal core surface to fill the space between the metal core, still be provided with the fibre core between plastic coating and the outer thigh.

2. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: the fiber core includes 6, the fiber core shape is the similar pentagon that five arc limits are constituteed, including big recess and little recess, big recess includes 1, little recess includes 4, big recess and four little recess end to end formation similar pentagon's shape.

3. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 2, wherein: the fiber core comprises a plurality of fiber yarns, and the fiber yarns are sisal yarns, carbon fiber yarns or nylon yarns.

4. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: the diameter of the inner steel wire is smaller than that of the outer steel wire.

5. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: and a zinc coating is also arranged outside the inner steel wire.

6. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: and a zinc coating is also arranged outside the outer steel wire.

7. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: the twisting direction of the metal core faces right, each strand of the outer layer strands faces right, and the integral twisting direction of the outer layer strands faces right.

8. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: the cross section of the metal core is in a regular hexagon shape.

9. The cold and hot resistant high elastic asphalt coated steel wire rope according to claim 1, wherein: the cross-sectional shape of each strand of the outer layer strand is a regular hexagon, and the overall cross-sectional shape of the outer layer strand is a regular hexagon.