Category: Reel Cable
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The following are the product details of the polyurethane (PUR) wet spraying truck trolley reel cable:
Product features
High wear resistance: The wear resistance of the PUR sheath is extremely strong, being 10 times that of ordinary PVC and 5 times that of rubber, effectively resisting ground friction and gravel impact. It is suitable for wet-spray vehicles dragged on gravel surfaces, which can greatly extend the service life of the cable.
Oil-resistant and acid-alkali resistant: Can withstand corrosion from hydraulic oil, diesel, acids, and alkalis. Even when used for a long time in oily environments, it is not easily damaged, ensuring the stability of the cable in complex chemical environments.
High Flexibility and Tensile Resistance: Equipped with an internal Kevlar/Aramid reinforcement layer, the tensile strength can be increased by 300%, effectively preventing core breakage. At the same time, the cable has high flexibility and can maintain good performance under frequent bending and stretching conditions.
Waterproof and weatherproof: With an IP67 protection rating, it can operate stably in extreme environments ranging from -40℃ to 90℃. It can function normally whether in the cold north or the hot south, as well as in humid and rainy or dry and dusty conditions.
Flame Retardant Safety: Complies with IEC 60332 flame retardant standards, effectively preventing the spread of fire when exposed to open flames, reducing the risk of fire, and improving safety at construction sites.
Torsional resistance: Uses a torsion-resistant structural design to prevent knotting, deformation, and other issues during cable winding and unwinding, ensuring the cable remains in good condition during winding and unwinding.
Cable structure
Conductor: Usually made of multi-stranded ultra-fine precision twisted oxygen-free copper wire, meeting VDE0295 CLASS 6 standards. It can also be selected as annealed oxygen-free copper wire with a purity of up to 99.9999%, which has good conductivity and flexibility, can effectively reduce energy loss, and is not easy to break during frequent bending and dragging.
Insulation layer: Generally uses special elastomers / cross-linked polyethylene (XLPE), specially formulated TPV composites, or high-strength mixed elastomer materials. These materials have characteristics such as high temperature resistance, breakdown resistance, weather resistance, and good chemical stability, and can withstand high voltage surges to prevent leakage.
Filling layer: Uses Kevlar tensile fibers / TPE filling to cushion stress, prevent core wire deformation, and ensure the stability of the cable's internal structure.
Inner Sheath: Commonly made of wear-resistant, oil-resistant nitrile composite materials or high-strength nitrile elastomers, providing additional mechanical protection for the cable and reducing the possibility of cable performance being affected by external mechanical damage.
Reinforcements: Equipped with reinforcements such as aramid fiber braided mesh, Kevlar braided reinforcement layers, or galvanized soft steel wire ropes, enhancing the tensile strength of the cable and allowing it to withstand greater pulling forces.
Sheath Layer: Made of imported polyurethane (PUR) as the outer sheath, with excellent properties such as wear resistance, tensile resistance, weather resistance, oil resistance, and corrosion resistance, serving as the key defense against environmental corrosion for the cable.
Application scenarios
Tunnel Construction: In shotcrete operations for tunnels such as shield tunnels or subways, wet-spraying trolley cable reels can provide stable power and signal transmission for wet-spraying trolleys under harsh conditions, including high humidity, dust, and flying rock debris.
Mine Support: Used for underground roadway support operations, capable of adapting to complex underground mining environments such as gas presence or groundwater erosion, ensuring the normal operation of wet-spraying equipment.
Building Foundation Pits: In slope shotcrete protection projects, the cable can move and operate along with the wet-spraying trolley, providing reliable power support and ensuring the smooth progress of slope protection work.
