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港口起重机电缆

12 Min Read
Spreader Bar Cable Application: What is a spreader bar? Container crane context: Gantry crane positioned at dock Overhead hoist mechanism: Winch + trolley system Spreader bar: Attachment point below hoist Function: Grips container corners, distributes load, tilts container for placement Spreader bar structure: Framework: Steel tubes/beams forming rectangular frame Lifting points: 4 corner attachment rings (one per container corner) Electrical system: Motor-driven locks, position sensors, lighting Cables: Power supply for motors + control signals for locking mechanism Cable location (spreader bar): Vertical run (primary): From crane hoist (top) down 20–40 m to spreader bar (bottom) Function: Supply power for: - Corner lock solenoids (release container locks) - Position feedback sensors (confirm locks engaged) - Optional: Spreader bar lighting (visibility during operation) Simultaneous function: Act as partial mechanical support (share load with main hoist cable) Horizontal distribution (on spreader bar): From entry point distributed across spreader frame Supply all four corner lock motors Branching: May split into smaller branches (4× circuits to corners) Mechanical load: Cable must withstand: Static tension: Weight of container payload (20–40 tons distributed) Dynamic loads: Jerking during load acceleration, swinging in wind Thermal: Tropical port environment, direct sun, saltwater spray Abrasion: Rubbing against spreader frame during operation Cable design philosophy: Dual function (unique): Electrical function: Deliver 300/500V power for locking system Mechanical function: Share load-bearing (not primary structure, but support role) Different from: Pure electrical cables (festoon, lifting): Electrical function only Pure mechanical ropes: Mechanical function only BASKET SPREADER 730: Both functions integrated Speed specification rationale: 160 m/min (relatively slow): Container crane cycle time: ~45–60 seconds per lift Descent distance: 20–40 m Descent speed: 20–40 m ÷ 45–60 sec = 0.33–0.9 m/s = 20–54 m/min Average speed: ~30 m/min (loading) + 20 m/min (discharge) = 25 m/min 160 m/min specification: 6–8× safety margin on speed Design: Allows for fast emergency ascent if needed Why not higher speed? Mechanical load constraint: Heavy cable (4000 N = ~400 kg equivalent) Inertia: Accelerating 400 kg + spreader bar + container inertia takes time Structural: Crane frame limits acceleration rates (safety interlocks) Result: 160 m/min is practical maximum for loaded spreader bar
Technical Department
on12/06/2026

Что такое Flexible Power and Control Flat Cables in line with CEI 20-19 Part 4 Table 1: FLEXIFLAT 450/750 V

FLEXIFLAT 450/750 V (N)GFLGÖU-J / (N)GFLGÖU-JZ — это гибкие плоские силовые и контрольные кабели для подвижного оборудования, где кабель одновременно испытывает многократный изгиб, продольное растяжение, истирание, контакт с направляющими, роликами, кабельными тележками и тяжёлой промышленной средой. Для Feichun такая конструкция особенно важна в шахтных машинах, портовой механизации, перегружателях, конвейерных системах, крановых тележках и мобильных приводах, где круглый кабель не всегда оптимален по укладке, высоте пакета и контролю движения.
6 Min Read
The RHEYFIRM® family represents Nexans' flagship line of flexible medium-voltage reeling cables, engineered specifically for extreme mechanical stress applications including Ship-to-Shore (STS) cranes, Rail Mounted Gantry (RMG) cranes, stacker reclaimers, and heavy mobile mining equipment. The "(S)" designation indicates the symmetrical configuration featuring the distinctive 3+3 core design, where three phase conductors are complemented by three protective earth conductors strategically positioned in the cable interstices. RHEYFIRM®系列是Nexans旗下的中压柔性卷筒电缆产品线，专为极端机械应力应用设计，包括岸桥(STS)起重机、轨道式龙门起重机(RMG)、堆取料机及重型移动采矿设备。"(S)"标识表示对称配置，采用独特的3+3芯设计，三根相线导体与三根保护接地导体战略性地布置在电缆间隙中。
Technical Department
on09/02/2026

RHEYFIRM® (S) 3+3 Core Design: Why Does Nexans Use Distributed Earth in the (S) Series and How Does It Affect EMC?

The RHEYFIRM® family represents Nexans’ flagship line of flexible medium-voltage reeling cables, engineered specifically for extreme mechanical stress applications including Ship-to-Shore (STS) cranes, Rail Mounted Gantry (RMG) cranes, stacker reclaimers, and heavy mobile mining equipment. The “(S)” designation indicates the symmetrical configuration featuring the distinctive 3+3 core design, where three phase conductors are complemented by three protective earth conductors strategically positioned in the cable interstices. RHEYFIRM®系列是Nexans旗下的中压柔性卷筒电缆产品线，专为极端机械应力应用设计，包括岸桥(STS)起重机、轨道式龙门起重机(RMG)、堆取料机及重型移动采矿设备。”(S)”标识表示对称配置，采用独特的3+3芯设计，三根相线导体与三根保护接地导体战略性地布置在电缆间隙中。
5 Min Read
Selecting the optimal reeling cable for motor-driven drum applications requires careful evaluation of mechanical properties, particularly tensile strength. This technical document provides an evidence-based comparison between the German-standard (N)TSCGEWÖU flexible reeling cable and the premium Nexans RHEYFIRM-RS heavy-duty reeling cable. Both products serve similar industrial functions but employ distinct engineering approaches that result in measurable performance differences. 为电动卷筒应用选择最佳卷筒电缆需要仔细评估机械性能，尤其是抗拉强度。本技术文档对德国标准(N)TSCGEWÖU柔性卷筒电缆与高端Nexans RHEYFIRM-RS重载卷筒电缆进行循证对比。两种产品服务于相似工业功能，但采用不同工程方法，产生可量化的性能差异。
Technical Department
on30/01/2026

Nexans RHEYFIRM Series: (N)TSCGEWÖU vs. RHEYFIRM-RS — Tensile Strength Analysis

Selecting the optimal reeling cable for motor-driven drum applications requires careful evaluation of mechanical properties, particularly tensile strength. This technical document provides an evidence-based comparison between the German-standard (N)TSCGEWÖU flexible reeling cable and the premium Nexans RHEYFIRM-RS heavy-duty reeling cable. Both products serve similar industrial functions but employ distinct engineering approaches that result in measurable performance differences. 为电动卷筒应用选择最佳卷筒电缆需要仔细评估机械性能，尤其是抗拉强度。本技术文档对德国标准(N)TSCGEWÖU柔性卷筒电缆与高端Nexans RHEYFIRM-RS重载卷筒电缆进行循证对比。两种产品服务于相似工业功能，但采用不同工程方法，产生可量化的性能差异。
4 Min Read
In demanding industrial environments such as ports, steel plants, mining facilities, and automated material handling systems, reeling cables must withstand extreme mechanical stress. Tensile strength—the maximum load a cable can bear before failure—is a critical specification when selecting cables for crane systems, spreaders, and mobile machinery. 在港口、钢铁厂、矿山及自动化物流系统等苛刻工业环境中，卷筒电缆必须承受极端机械应力。抗拉强度——电缆断裂前所能承受的最大载荷——是选择起重机、吊具及移动设备用电缆时的关键技术指标。 This technical comparison examines two industry-leading reeling cable types: the (N)TSCGEWÖU (a German-standard flexible reeling cable conforming to DIN VDE specifications) and the Nexans RHEYFIRM-RS (a premium heavy-duty cable from Nexans Germany). Both are engineered for motor-driven cable reels, but differ in construction philosophy and performance characteristics. 本文深入对比两种行业领先的卷筒电缆：符合DIN VDE规范的德国标准柔性卷筒电缆(N)TSCGEWÖU，以及来自Nexans德国的高端重载电缆RHEYFIRM-RS。两者均专为电动卷筒设计，但在结构理念和性能特性上各有差异。
Technical Department
on30/01/2026

Comparison: (N)TSCGEWÖU vs. Nexans RHEYFIRM-RS

In demanding industrial environments such as ports, steel plants, mining facilities, and automated material handling systems, reeling cables must withstand extreme mechanical stress. Tensile strength—the maximum load a cable can bear before failure—is a critical specification when selecting cables for crane systems, spreaders, and mobile machinery. 在港口、钢铁厂、矿山及自动化物流系统等苛刻工业环境中，卷筒电缆必须承受极端机械应力。抗拉强度——电缆断裂前所能承受的最大载荷——是选择起重机、吊具及移动设备用电缆时的关键技术指标。 This technical comparison examines two industry-leading reeling cable types: the (N)TSCGEWÖU (a German-standard flexible reeling cable conforming to DIN VDE specifications) and the Nexans RHEYFIRM-RS (a premium heavy-duty cable from Nexans Germany). Both are engineered for motor-driven cable reels, but differ in construction philosophy and performance characteristics. 本文深入对比两种行业领先的卷筒电缆：符合DIN VDE规范的德国标准柔性卷筒电缆(N)TSCGEWÖU，以及来自Nexans德国的高端重载电缆RHEYFIRM-RS。两者均专为电动卷筒设计，但在结构理念和性能特性上各有差异。
8 Min Read
Crane cables represent a specialized category of heavy-duty flexible cables designed to power and control cranes, hoists, festoons, conveyors, and gantries. Used extensively across heavy industry including mining, marine ports, steel mills, and container terminals, these cables must be exceptionally robust and capable of handling both torsional (twisting) and tensile (pulling) stresses simultaneously. Unlike standard industrial cables, crane cables experience constant reeling, unreeling, and multi-directional movement, requiring specialized constructions with reinforced components and premium materials.
Technical Department
on05/01/2026

What are Crane Cables?

NTSCGEWÖU cable, TSCGEWÖU cable, TSKCGEWÖU cable, medium voltage crane, MV reeling cable, 6kV crane cable, 10kV crane cable, 20kV crane cable, anti-torsion cable, ATB cable, crane cable, crane power cable, hoist cable, gantry cable, lifting cable, overhead crane cable, tower crane cable, port crane cable, material handling cable, heavy duty crane cable