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橡胶护套

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.
4 Min Read
What Are UNE 22560 and UNE 22561? Scope, Definitions, and Core Purpose The UNE 22560 and UNE 22561 standards represent the final and often most underestimated element of the Spanish and Latin American underground mining cable ecosystem. Where UNE 22511 and UNE 22512 govern the power distribution cables that energize mining equipment, the 22560 and 22561 standards govern the signal, control, and interlock cables that command and protect that equipment. These are the "nervous system" cables of a mine — the communication network that tells a continuous miner when to advance and when to halt, that triggers emergency stops, that monitors hoisting rope tension on shaft equipment, that controls conveyor sequencing, and that enables the protective interlocking that prevents a piece of equipment from operating unless all safety preconditions are met. UNE 22560 formally defines flexible multi-core cables for underground mining with voltage ratings up to 500 V or 0.6/1 kV, with no metallic armour protection — designed for installation within equipment enclosures, along protected cable trays in main gate roads, or in areas where mechanical damage risk is minimal. UNE 22561 is its armoured sister standard, incorporating steel wire braid or steel tape protection, specified for installation in rough terrain areas where mechanical damage from rock fall, equipment collision, or floor contact is a credible risk. Both standards mandate that the cable be designed as a multi-core concentric stranded bundle — not the parallel-laid three or four conductors common in power cables, but rather seven, twelve, nineteen, or more individually insulated cores twisted concentrically around a central axis, allowing compact packaging of numerous independent control circuits within a single cable jacket. The distinction between these standards is not merely mechanical armour presence or absence. Control cables are tested against an entirely different set of safety criteria than power cables because their failure mode is fundamentally different. A power cable failure results in loss of energy to equipment — dangerous but localized. A control cable failure can disable the interlock system that prevents a continuous miner from advancing into unsafe ground, or can disable the emergency stop circuit that should halt a conveyor if a worker falls into it. A control cable fire, burning in a tightly bundled cable tray with other control cables, must not spread flame between cables because control cables are typically routed in shared ducts and cable carriers where one cable's ignition could cascade to adjacent circuits. Therefore, control cables are tested for bundle flame propagation (EN 60332-3) rather than single-cable flame propagation tests — a more stringent requirement that demands careful attention to outer sheath formulation and cable spacing in bundle installation.
Technical Department
on11/06/2026

TDS КГРТЭ-ХЛ：0.66/1 kV 变频驱动用屏蔽柔性矿用电缆

TDS КГРТЭ-ХЛ 是一种额定电压 0.66/1 kV、最大工作电压 0.69/1.2 kV、频率最高 400 Hz 的橡胶绝缘、橡胶护套、总屏蔽柔性动力电缆，执行 ТУ 16.К73.168-2017。该电缆用于带频率调节的电驱动系统，为移动和固定对象、机器、机构及其他设备供电，包括矿山钻机等设备
4 Min Read
BASKET SPREADER 740 (YSLTOE) is engineered specifically for hoisting and control applications where mechanical flexibility and electrical reliability must coexist in marine environments. Unlike load-bearing structural cables (which prioritize tensile strength), control cables emphasize: Conductor flexibility – Repeated bending over pulleys without mechanical fatigue Insulation integrity – Voltage breakdown resistance under salt-fog corrosion Mechanical damping – Rope-like flexibility to drape naturally in spreader bar frames Environmental barrier – Outer sheath blocks salt, moisture, and UV penetration Core Design Elements: Component Material Specification Function Port Environment Benefit Conductor Flexible red copper Class 6 (IEC 60228) Carries 300/500V power; enables bending flexibility High purity copper resists galvanic corrosion Insulation PVC type YI2 (IEC 60811) Electrical isolation; voltage breakdown resistance (2 kV test) PVC with marine additives prevents salt-induced tracking Central Unit Aramide yarns (Kevlar™ equivalent) Mechanical load-bearing backup; structural integrity Aramide resists moisture & salt; absorbs vibration stress Outer Sheath PUR type 11YM1 (DIN 73377) Environmental barrier; UV/ozone/moisture protection Superior salt-fog resistance; 20+ year marine lifespan
Technical Department
on11/06/2026

什么是 КОВГ / КОВГН：6 kV 单芯高压柔性橡胶电缆

КОВГ 和 КОВГН 是额定电压 6 kV、频率 50 Hz 的单芯高压柔性电缆，执行 ТУ 16.К73.004-88。КОВГ 为铜导体、橡胶绝缘、橡胶护套的内部安装柔性电缆；КОВГН 为同类结构，但采用 耐油且不传播燃烧的护套。该系列用于露天和地下矿山作业中的设备、成套产品和机构内部安装
5 Min Read
FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU: Advanced High-Flexibility Salt-Fog Resistant Port Cable Professional-grade high-flexibility submersible and overhead power cable engineered for extreme saltwater port environments, combining minimized bending radius (12×D drum deployment), superior salt-fog corrosion resistance, and UV/ozone/moisture immunity across 3.6/6 kV to 12/20 kV voltage platforms. Purpose-designed for dredgers, marine pumps, port cranes, and harbor equipment requiring proven long-service-life durability in corrosive maritime climates. Port Infrastructure Cable Evolution: Specialized Anti-Corrosion Engineering for Harsh Maritime Environments Conventional power distribution cables deployed in salt-fog maritime environments encounter accelerated degradation mechanisms: halide-induced electrochemical corrosion of copper conductor-surface oxidation states, osmotic water ingress through outer-sheath micro-fractures, photochemical UV-degradation of polymer matrix structures, and ozone-oxidation polymer cross-linking embrittlement. Standard FLEXIDRUM® cables (unspecialized polymeric sheathing) experience ~35–50% loss of mechanical tensile strength within 7–10 years of continuous port-operation exposure, necessitating premature replacement cycles and unanticipated maintenance disruptions in mission-critical dredging and port-equipment installations. The FLEXIDRUM® MEDIUM RS (N)TSCGEWÖU represents a materials-chemistry and sheath-architecture breakthrough, integrating: (1) specialized PCP outer-sheath compound incorporating proprietary salt-fog-inhibition chemistry (sodium-chloride penetration resistance rated 2× superior to standard PCP formulations per IEC testing protocols), (2) advanced multi-layer semi-conductive screen interfaces with hydrophobic molecular structure preventing electrochemical corrosion pathways on tinned copper conductors, (3) integrated UV/ozone absorption additives reducing polymer chain-scission degradation by ~60% over 15+ year service intervals, and (4) optimized flexibility architecture enabling 12×D drum deployment radius (vs. 15×D and higher for conventional specialized cables) critical for mobile dredging equipment requiring frequent redeployment across geographically distributed port facilities.
Technical Department
on11/06/2026

什么是 КГЭШ, КГЭТШ：1.14 kV 井下矿用柔性屏蔽动力电缆

КГЭШ 与 КГЭТШ 是俄标体系下的井下矿用柔性屏蔽动力电缆。资料将其定义为：带铜导体、橡胶绝缘、弹性导电屏蔽、橡胶护套的矿用柔性动力电缆，额定交流电压为 1.14 kV，执行 ТУ 16.К73.012。这类电缆面向井下采矿设备、移动或半移动矿山机械、动力馈电与辅助回路组合供电场景，其设计重点不是固定敷设，而是在矿山环境中同时满足 柔性、屏蔽、阻燃、抗拉、抗扭、弯曲疲劳和电气安全