CN215577880U

CN215577880U - Special power cable for high-temperature-resistant steel ladle car with silicone rubber sheath

Info

Publication number: CN215577880U
Application number: CN202121062477.4U
Authority: CN
Inventors: 黄强; 唐涛; 赵玉贵; 姚智刚
Original assignee: Anhui Constant Crystal Cable Group Co ltd
Current assignee: Anhui Constant Crystal Cable Group Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-18
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a power cable special for a high-temperature-resistant steel ladle car with a silicone rubber sheath, and relates to the technical field of power cables. According to the utility model, the first steel wire ropes are arranged in the three groups of conductors to support the soft copper wire cores, and the second steel wire ropes are arranged among the three groups of conductors to support, so that the tensile capacity of the cable is improved, and meanwhile, the conductor is further protected by using the characteristics of the mica tape and the glass fiber cloth and the hemp ropes, so that the cable is better applied to a high-temperature buggy ladle.

Description

Special power cable for high-temperature-resistant steel ladle car with silicone rubber sheath

Technical Field

The utility model relates to the technical field of power cables, in particular to a power cable special for a high-temperature-resistant buggy ladle with a silicone rubber sheath.

Background

Cables, made of one or more mutually insulated conductors and an outer insulating sheath, transmit electric power or information from one point to another, are generally rope-like cables made by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The buggy ladle is one of the electric flat cars, and the electric flat car is used for transporting the buggy ladles in a steel plant. Because the temperature of molten steel, steel slag and the like is too high, in order to avoid burning, a flat car manufacturer specially designs an electric flat car for the purpose. Its power is provided by the motor, and the motor is high temperature resistant explosion-proof machine, and the cable that the buggy ladle used also need have higher high temperature resistance ability to have higher tensile strength, just can avoid the damage, and current cable high temperature resistance can be lower, and intensity is general, and then leads to the life of ordinary cable lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power cable special for a high-temperature-resistant steel ladle car with a silicone rubber sheath, so as to solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a special power cable of high temperature resistant buggy ladle of silicon rubber sheath, includes three group's conductors, the conductor includes the soft copper sinle silk of multiunit, the inboard of soft copper sinle silk is provided with first wire rope, the multiunit the soft copper sinle silk twists in first wire rope's outside, the multiunit the outside of soft copper sinle silk is around being equipped with first around the covering, first outside around the covering is provided with the insulating layer, three group the inboard of conductor is provided with second wire rope, and three groups the conductor stranding is around locating second wire rope's outside, and is provided with the rope made of hemp between two adjacent conductors, three groups the outside of conductor is provided with the second around the covering, the second is provided with the silicon rubber restrictive coating around the outside of covering, the second is provided with the flame retardant coating around between covering and the silicon rubber restrictive coating.

Preferably, the first wrapping layer is formed by winding a single-layer non-woven fabric, and the second wrapping layer is formed by winding a glass fiber fabric.

Preferably, the insulating layer and the inner protective layer are made of composite butyronitrile materials and are respectively extruded outside the first wrapping layer and the second wrapping layer.

Preferably, a shielding layer is arranged between the inner protection layer and the fire-resistant layer and is formed by weaving copper wires.

Preferably, the fire-resistant layer is formed outside the shielding layer in a wrapping mode by a mica tape.

In the technical scheme, the utility model provides the following technical effects and advantages:

the utility model supports the annealed copper wire cores by arranging the first steel wire ropes in the three groups of conductors and supports the second steel wire ropes between the three groups of conductors, thereby greatly improving the actual strength of the cable and the tensile capacity of the cable, meanwhile, the hemp ropes are filled between the annealed copper wire cores and the glass fiber cloth is used for winding to form the second winding layer to wind the hemp ropes and the conductors together, thereby improving the supporting strength between the three groups of conductors, improving the integral tightness and actual strength of the cable and further improving the tensile performance of the cable, meanwhile, the fireproof layer is arranged outside the second winding layer, thereby utilizing the characteristics of the mica tape and further protecting the conductors by the glass fiber cloth and the hemp ropes, the cable can be used at high temperature, the fireproof and high temperature resistance of the cable is further improved, and the cable can be better applied to a high-temperature steel-covered vehicle, meanwhile, the silicone rubber sheath layer is used for protecting the whole cable, and the characteristics of oil resistance, high temperature resistance, high tearing resistance and strong stretching of the silicone rubber sheath layer are utilized, so that the overall comprehensive strength of the cable is further improved, and the service life of the cable is greatly prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a cross-sectional view of a cable of the present invention.

Description of reference numerals:

1. a conductor; 11. a soft copper wire core; 12. a first wire rope; 13. a first lapping layer; 14. an insulating layer; 2. a second wire rope; 3. hemp ropes; 4. a second lapping layer; 5. an inner protective layer; 6. a shielding layer; 7. a refractory layer; 8. a silicone rubber sheath layer.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a special power cable with a silicon rubber sheath for a high-temperature-resistant buggy ladle, which is shown in figure 1 and comprises three groups of conductors 1, the conductor 1 comprises a plurality of groups of soft copper wire cores 11, a first steel wire rope 12 is arranged on the inner side of each soft copper wire core 11, the plurality of groups of soft copper wire cores 11 are twisted outside the first steel wire rope 12, a first wrapping layer 13 is wound outside the plurality of groups of soft copper wire cores 11, an insulating layer 14 is arranged outside the first wrapping layer 13, second steel wire ropes 2 are arranged on the inner sides of the three groups of conductors 1, three groups of conductors 1 are wound outside the second steel wire rope 2 in a cabling way, a hemp rope 3 is filled between two adjacent conductors 1, a second winding layer 4 is arranged outside the three groups of conductors 1, a silicon rubber sheath layer 8 is arranged outside the second wrapping layer 4, and a fire-resistant layer 7 is arranged between the second wrapping layer 4 and the silicon rubber sheath layer 8;

further, in the above technical scheme, the first wrapping layer 13 is formed by winding a single-layer non-woven fabric, and the second wrapping layer 4 is formed by winding a glass fiber fabric;

further, in the above technical scheme, the insulating layer 14 and the inner protective layer 5 are made of composite butyronitrile materials and are respectively extruded outside the first wrapping layer 13 and the second wrapping layer 4;

further, in the above technical scheme, a shielding layer 6 is arranged between the inner protection layer 5 and the fire-resistant layer 7, and the shielding layer 6 is formed by weaving copper wires;

further, in the above technical scheme, the fire-resistant layer 7 is formed outside the shielding layer 6 by winding mica tapes;

the implementation mode is specifically as follows: the first steel wire ropes 12 are arranged in the three groups of conductors 1 to support the annealed copper wire cores 11, and the second steel wire ropes 2 are arranged among the three groups of conductors 1 to support, so that the actual strength of the cable can be greatly improved, the tensile capacity of the cable is improved, meanwhile, the hemp ropes 3 are filled among the annealed copper wire cores 11, and the glass fiber cloth is used for winding to form a second winding layer 4 to wind the hemp ropes 3 and the conductors 1 together, so that the supporting strength among the three groups of conductors 1 is improved, the integral tightness and the actual strength of the cable are improved, the tensile performance of the cable is further improved, meanwhile, the fire-resistant layer 7 is arranged outside the second winding layer 4, the characteristic of a mica tape is utilized, the glass fiber cloth and the hemp ropes are utilized to further protect the conductors 1, the cable can be used at high temperature, the fire-resistant and high-temperature resistant performances of the cable are further improved, and the cable can be better applied to a high-temperature buggy ladle, meanwhile, the whole cable is protected by using the silicone rubber sheath layer 8, and the characteristics of oil resistance, high temperature resistance, high tearing resistance and strong stretching of the silicone rubber sheath layer 8 are utilized, so that the overall comprehensive strength of the cable is further improved, and the service life of the cable is greatly prolonged.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a special power cable of high temperature resistant buggy ladle of silicon rubber sheath, includes three group conductors (1), its characterized in that: the conductor (1) comprises a plurality of groups of soft copper wire cores (11), a first steel wire rope (12) is arranged on the inner side of each soft copper wire core (11), the plurality of groups of soft copper wire cores (11) are twisted outside the first steel wire rope (12), a first wrapping layer (13) is wound outside the plurality of groups of soft copper wire cores (11), an insulating layer (14) is arranged outside the first wrapping layer (13), second steel wire ropes (2) are arranged on the inner sides of the three groups of conductors (1), and the three groups of conductors (1) are wound outside the second steel wire rope (2) in a cabling way, hemp ropes (3) are filled between two adjacent conductors (1), a second wrapping layer (4) is arranged outside the three groups of conductors (1), a silicon rubber sheath layer (8) is arranged outside the second wrapping layer (4), and a fire-resistant layer (7) is arranged between the second wrapping layer (4) and the silicon rubber sheath layer (8).

2. The power cable special for the high-temperature-resistant buggy ladle with the silicone rubber sheath as claimed in claim 1, wherein: the first wrapping layer (13) is formed by winding a single-layer non-woven fabric, and the second wrapping layer (4) is formed by winding a glass fiber fabric.

3. The power cable special for the high-temperature-resistant buggy ladle with the silicone rubber sheath as claimed in claim 1, wherein: insulating layer (14) and interior sheath (5) select for use compound butyronitrile material respectively through extruding the type in first outside around covering (13) and second around covering (4).

4. The power cable special for the high-temperature-resistant buggy ladle with the silicone rubber sheath as claimed in claim 1, wherein: a shielding layer (6) is arranged between the inner protection layer (5) and the fire-resistant layer (7), and the shielding layer (6) is formed by weaving copper wires.

5. The power cable special for the high-temperature-resistant steel-clad vehicle with the silicone rubber sheath as claimed in claim 4, wherein the power cable comprises: the fireproof layer (7) is formed outside the shielding layer (6) in a wrapping mode through mica tapes.