行业组件数据 · 2026

A hook is a curved mechanical component used for lifting, securing, or attaching loads in industrial machinery and material handling systems.

技术定义与适配语境
典型 钩 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A hook is a fundamental load-bearing component typically integrated into hook blocks, cranes, hoists, and lifting assemblies. It features a curved, open-ended design that allows for easy attachment and detachment of slings, chains, or other lifting accessories. Engineered to withstand specific load capacities, hooks are critical for safe and efficient material handling operations across various industrial sectors.

组件规格

定义
A hook is a fundamental load-bearing component typically integrated into hook blocks, cranes, hoists, and lifting assemblies. It features a curved, open-ended design that allows for easy attachment and detachment of slings, chains, or other lifting accessories. Engineered to withstand specific load capacities, hooks are critical for safe and efficient material handling operations across various industrial sectors.
工作原理
The hook operates on the principle of mechanical engagement and load distribution. Its curved shape creates a secure cradle for lifting attachments, while the load force is transferred through the hook's body to the supporting structure (e.g., hook block, crane). The design ensures that the load remains centered and stable during lifting, with safety latches often preventing accidental disengagement.
材料
Typically forged or cast from high-strength alloy steel (e.g.AISI 41404340) or carbon steel. May include heat treatment (quenching and tempering) for enhanced tensile strength and toughness. Corrosion-resistant coatings (galvanizationpowder coating) or stainless steel variants are used in harsh environments.
Weight
2-200 kg
Load Capacity
1-100 tons (varies by design)
Safety Factor
4:1 to 5:1 (typical)
Shank Diameter
20-200 mm
Throat Opening
50-500 mm
Working Load Limit (WLL)
As per manufacturer rating
标准
ISO 2415ISO 8539DIN 15400DIN 15401ASME B30.10

行业分类与别名

钩 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Exceeding Working Load Limit (WLL)->Plastic deformation or catastrophic fracture->Implement load monitoring systems, use hooks with clearly marked WLL, and train operators on load limits.
Fatigue from repeated loading cycles->Crack initiation and propagation, leading to breakage->Regular non-destructive testing (e.g., magnetic particle inspection), adhere to recommended service life, and replace hooks showing signs of fatigue.
Missing or damaged safety latch->Load slippage and accidental disengagement->Mandatory use of self-closing safety latches, routine latch inspection, and immediate replacement of defective latches.

工业生态与工程逻辑

0
Overloading leading to deformation or fracture
1
Fatigue failure from cyclic loading
2
Accidental disengagement if safety latch is missing or faulty
3
Corrosion in humid or chemical environments
4
Improper attachment causing off-center loading

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, load testing to 125% of WLL as per ISO 8539
test method
Proof load testing, magnetic particle inspection, ultrasonic testing for internal defects, visual inspection for surface cracks and wear

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between a hook and a hook block?

A hook is the curved component that directly engages the load, while a hook block is an assembly that includes the hook, sheaves, and housing, designed for use with wire ropes in cranes and hoists.

How often should industrial hooks be inspected?

Hooks should undergo visual inspection before each use and formal documented inspection at least annually, or as per regulatory guidelines (e.g., OSHA, LOLER).

Can hooks be repaired if damaged?

No, hooks with cracks, deformation, or significant wear must be replaced immediately. Repair by welding or heating is generally prohibited as it can compromise material integrity.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
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URN:CNFX:ME:UNIT:HOOK