Mining Reeling Cable Type КГРЭОТШ 3х95+25/3+3х4-1,14: Drum Cable for Tunnel Boring Machines
The Mining Reeling Cable Type КГРЭОТШ 3х95+25/3+3х4-1,14 is an essential solution for powering tunnel boring machines and coal cutters in underground mining operations.
This cable ensures reliable equipment performance in environments requiring high flexibility, durability, and resistance to harsh conditions.
To begin with, the designation of the cable КГРЭОТШ 3х95+25/3+3х4-1,14 provides detailed information about its structure and intended use:
КГ (Flexible Cable): This indicates the cable's high flexibility, crucial for underground operations.
Р (Rubber Insulation Layer): This layer provides protection to the conductors from mechanical damage and external impacts.
Э (Conductive Rubber Screen): It reduces the influence of electromagnetic interference, ensuring stable performance.
О (Polyester Yarn Braid): This component enhances the cable's mechanical strength.
Т (Heat Resistant): The cable can withstand high temperatures, making it suitable for challenging environments.
Ш (Mine Cable): It is specifically designed for use in mining operations.
3 (Number of Main Conductors): This indicates the presence of three main conductors.
95 (Cross-Section of Main Conductors): The cross-sectional area of the main conductors is 95 mm².
25 (Cross-Section of Conductors without Core Section): The cross-section of additional conductors without considering the core is 25 mm².
3 (Cross-Section of the Core): The core cross-section is 3 mm².
3 (Number of Additional Conductors): There are three additional conductors.
4 (Cross-Section of Additional Conductors): The cross-sectional area of the additional conductors is 4 mm².
1.14 (Rated Voltage): The rated voltage is 1.14 kV.
Construction of Cable КГРЭОТШ 3х95+25/3+3х4-1,14
The construction of the cable is designed to meet the rigorous demands of underground mining operations:
Conductors (Current-Carrying Conductors): Made of copper wires, these provide high conductivity and flexibility.
Insulation (Insulation Layer): This layer is made of rubber, which is resistant to mechanical damage and chemical effects.
Screening (Conductive Rubber Screen): This reduces electromagnetic interference and increases operational safety.
Insulation of Auxiliary Conductors (Auxiliary Conductors): The auxiliary conductors are insulated with rubber, ensuring durability and reliability.
Split Ground Conductor (Grounding): This is applied by wrapping around the auxiliary conductor.
Braid (Insulation Braid): Made of polyester yarn, the braid increases the cable's mechanical strength.
Outer Protective Layer (Outer Sheath): The outer layer is made of rubber, providing resistance to external influences. The sheath can be made in yellow or orange color upon customer request.
Application of Cable КГРЭОТШ 3х95+25/3+3х4-1,14
These cables are designed to connect coal cutters during underground mining operations to power grids with a rated AC voltage of 1.14 kV, 3 kV, and 6 kV. Moreover, they are used in underground mines where gas accumulation is possible and ensure the normal operation of cutters working with a cable layer.
Specifications of Cable КГРЭОТШ 3х95+25/3+3х4-1,14
Maximum Operating Temperature of the Conductor: 90°C
Bending Radius: 5 outer diameters
Nominal (Constructional) Length: At least 200 meters
Ambient Temperature Range: From -30°C to 55°C
Insulation Resistance at 20°C: Not less than 100 MΩ·km
Resistance of Conductive Screens at 20°C: Not more than 1500 MΩ/km
Warranty Period: 6 months
Service Life: At least 1.5 years
Key Characteristics
Standard Document: TU 16.К180-023-2010
Sheath: Rubber
Cross-Sectional Area: 95; 120; 240; 6; 150; 50; 35; 185; 10; 70; 16; 25 mm²
Design: Screened; Flexible; Multicore; Heat-Resistant; Insulated; Non-Flammable
RFQ: Common Questions and Answers
What is the significance of the flexible design in this cable?
The flexible design (гибкий) of the cable ensures that it can be easily maneuvered and installed in the tight and dynamic environments of underground mining operations.
How does the rubber insulation layer contribute to the cable's performance?
The rubber insulation layer (резиновый изоляционный слой) provides robust protection against mechanical damage and external impacts, ensuring the longevity and reliability of the cable.
Why is the conductive rubber screen important?
The conductive rubber screen (экран из электропроводящей резины) minimizes electromagnetic interference, which is crucial for maintaining stable and efficient electrical performance in mining operations.
What are the benefits of the polyester yarn braid?
The polyester yarn braid (оплетка из полиэфирных нитей) enhances the mechanical strength of the cable, making it more resistant to wear and tear in harsh mining environments.
How does the cable's heat resistance feature improve its utility?
The heat-resistant (теплостойкий) property allows the cable to withstand high temperatures, ensuring safe and reliable operation even in extreme conditions.
Underground Mines: The Mining Reeling Cable Type КГРЭОТШ 3х95+25/3+3х4-1,14 is ideal for use in underground mines where flexible and durable power connections are essential.
The cable's robust construction and flexibility make it suitable for connecting coal cutters and other mining equipment to power grids, ensuring continuous and efficient operation even in challenging underground conditions.
Tunnel Boring Machines: For tunnel boring machines, the cable provides the necessary power supply with its high-rated voltage and durable construction.
The flexibility and heat resistance of the cable ensure it can handle the demanding environment of tunnel boring operations, maintaining performance and safety standards.
Gas Accumulation Areas: In areas where gas accumulation is possible, the cable's design minimizes the risk of sparks and electrical interference, providing a safer working environment.
The conductive rubber screen and robust insulation are key features that contribute to the cable's safety and reliability in such hazardous conditions.
By incorporating these features and understanding the detailed specifications, professionals in the mining industry can make informed decisions when selecting and utilizing the Mining Reeling Cable Type КГРЭОТШ 3х95+25/3+3х4-1,14 for their specific needs.
Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.
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