Search

CN-224217266-U - Compression-resistant bending-resistant multi-core copper cable

CN224217266UCN 224217266 UCN224217266 UCN 224217266UCN-224217266-U

Abstract

The utility model discloses a compression-resistant bending-resistant multi-core copper cable, relates to the field of cables, and aims to solve the problems that a compression-resistant structure is not arranged on an existing cable in the prior art, when the cable bears large pressure, the cable is easy to squeeze and deform, so that an internal wire core is damaged, the transmission of electric power and signals is affected, and even safety accidents are possibly caused. The utility model discloses a cable, including withstand voltage post, cable core, insulating sheath, waterproof layer, compound flame retardant coating, cable core, insulating sheath, waterproof layer, insulating sheath, waterproof layer, compound flame retardant coating, insulating sheath, withstand voltage post and the U type slot structural design of annular array setting thereof, the inside cable core that all is provided with of U type slot, the cable core outside is provided with wear-resisting compound insulating layer, withstand voltage post outside is provided with the insulating sheath, the insulating sheath outside is provided with the waterproof layer, the waterproof layer outside is provided with compound flame retardant coating, compound flame retardant coating outside is provided with the oversheath, through withstand voltage post and the reinforcing effect of the inside resistant steel wire that draws of annular array setting thereof, has shown the whole compressive property that has promoted the cable.

Inventors

  • HANG XIN

Assignees

  • 无锡五湖电缆科技有限公司

Dates

Publication Date
20260508
Application Date
20250506

Claims (7)

  1. 1. The compression-resistant bending-resistant multi-core copper cable comprises a compression-resistant column (1) and is characterized in that a plurality of U-shaped slots (102) are formed in the outer side end face of the compression-resistant column (1) in an annular array mode, a plurality of U-shaped slots (102) are formed in the cable core (2), a wear-resistant composite insulating layer (201) is arranged outside the cable core (2), an isolation sheath (3) is arranged outside the compression-resistant column (1), a metal shielding layer (4) is arranged outside the isolation sheath (3), a waterproof layer (5) is arranged outside the metal shielding layer (4), a composite fireproof layer (6) is arranged outside the waterproof layer (5), and an outer sheath (7) is arranged outside the composite fireproof layer (6).
  2. 2. The compression-resistant bending-resistant multi-core copper cable of claim 1, wherein a tension-resistant steel wire (101) is fixedly arranged in the middle of the inside of the pressure-resistant column (1), and the pressure-resistant column (1) and a plurality of U-shaped slots (102) on the pressure-resistant column are integrally formed in an extrusion mode.
  3. 3. The compression-resistant bending-resistant multi-core copper cable according to claim 1, wherein the abrasion-resistant composite insulation layer (201) comprises an insulation layer (202) and an abrasion-resistant layer (203), the insulation layer (202) is fixed on the outer portion of the cable core (2) in an extrusion mode, the insulation layer (202) is made of a crosslinked polyethylene material, the abrasion-resistant layer (203) is fixed on the outer portion of the insulation layer (202) in an extrusion mode, and the abrasion-resistant layer (203) is made of a thermoplastic polyurethane material.
  4. 4. The compression-resistant bending-resistant multi-core copper cable according to claim 1, wherein the isolation sheath (3) is fixed outside the compression-resistant column (1) in an extrusion manner, and the isolation sheath (3) is made of polyurethane elastomer materials.
  5. 5. The compression-resistant bending-resistant multi-core copper cable according to claim 1, wherein the metal shielding layer (4) is fixed outside the isolation sheath (3) in a braiding mode, the metal shielding layer (4) is braided by copper wires, the waterproof layer (5) is fixed outside the metal shielding layer (4) in an extrusion mode, and the waterproof layer (5) is made of polyethylene materials.
  6. 6. The compression-resistant bending-resistant multi-core copper cable according to claim 1, wherein the composite fireproof layer (6) comprises an impact-resistant layer (601) and a fireproof layer (602), the impact-resistant layer (601) is made of foamed polyethylene materials, the impact-resistant layer (601) is fixed outside a waterproof layer (5) in an extrusion mode, the fireproof layer (602) is made of ceramic silicon rubber materials, and the fireproof layer (602) is fixed outside the impact-resistant layer (601) in an extrusion mode.
  7. 7. The pressure-resistant bending-resistant multi-core copper cable according to claim 1, wherein the outer sheath (7) is made of polyurethane materials, and the outer sheath (7) is fixed outside the fireproof layer (602) in an extrusion mode.

Description

Compression-resistant bending-resistant multi-core copper cable Technical Field The utility model relates to the field of cables, in particular to a compression-resistant bending-resistant multi-core copper cable. Background A cable is an insulated wire combination for transmitting electrical energy, signals or data, and is typically composed of a conductor (copper or aluminum), an insulating layer, a shielding layer, a filler material and a jacket. Its core function is to efficiently and safely conduct current or signals. The cable is various in types and uses, and can be divided into a power cable (for transmitting high-voltage or low-voltage power), a communication cable (for transmitting telephone and network signals), a control cable (for transmitting instructions between devices), and the like, and can be divided into a single-core cable, a multi-core cable, an armored cable (for adding mechanical protection) or a non-armored cable according to structures. The cable is widely applied to the fields of power systems, buildings, traffic, communication and the like, and is a key component of modern infrastructure. For example, grant bulletin number CN 211654393U, discloses a multi-core copper conductor cable, which comprises a cable core, the cable core outside parcel has an inner insulating layer, the outer parcel of inner insulating layer has a composite insulation layer, the outer parcel of composite insulation layer has an inner cladding, leave the space between composite insulation layer and the inner cladding, the space is the filling layer, the inner chamber of filling layer is filled with fire-retardant medium, the outside of inner cladding is equipped with the flame retardant layer, the outside of flame retardant layer is equipped with the copper sheath. According to the multi-core copper conductor cable provided by the technical scheme, the insulation effect of stability is achieved through double matching of the inner insulation layer and the composite insulation layer, so that the ageing resistance is enhanced, the damage of the insulation layer caused by friction is reduced, and the operation reliability and the service life are improved. However, the cable is not provided with a pressure-resistant structure in the technology, when the cable bears larger pressure, the cable is easy to be extruded and deformed, so that the inner wire core is damaged, the transmission of power and signals is affected, and even safety accidents can be possibly caused, so that the market is urgently required to develop a pressure-resistant bending-resistant multi-core copper cable to help people solve the existing problems. Disclosure of utility model The utility model aims to provide a compression-resistant bending-resistant multi-core copper cable, which solves the problems that the existing cable provided in the background art is not provided with a compression-resistant structure, when the cable bears large pressure, the cable is easy to be extruded and deformed, the internal wire core is damaged, the transmission of power and signals is affected, and even safety accidents are possibly caused. The technical scheme is that the anti-compression bending-resistant multi-core copper cable comprises a pressure-resistant column, a plurality of U-shaped slots are formed in an annular array on the outer side end face of the pressure-resistant column, cable cores are arranged in the U-shaped slots, a wear-resistant composite insulating layer is arranged outside the cable cores, an isolation sheath is arranged outside the pressure-resistant column, a metal shielding layer is arranged outside the isolation sheath, a waterproof layer is arranged outside the metal shielding layer, a composite fireproof layer is arranged outside the waterproof layer, and an outer sheath is arranged outside the composite fireproof layer. Preferably, a tension steel wire is fixedly arranged in the middle of the inside of the pressure-resistant column, and the pressure-resistant column and a plurality of U-shaped slots on the pressure-resistant column are integrally formed in an extrusion mode. Preferably, the wear-resistant composite insulating layer comprises an insulating layer and a wear-resistant layer, wherein the insulating layer is fixed outside the cable core in an extrusion mode, the insulating layer is made of a crosslinked polyethylene material, the wear-resistant layer is fixed outside the insulating layer in an extrusion mode, and the wear-resistant layer is made of a thermoplastic polyurethane material. Preferably, the isolation sheath is fixed outside the pressure column in an extrusion mode, and the isolation sheath is made of polyurethane elastomer materials. Preferably, the metal shielding layer is fixed outside the isolation sheath in a braiding mode, the metal shielding layer is braided by copper wires, the waterproof layer is fixed outside the metal shielding layer in an extrusion mode, and the waterproof layer is made of