行业组件数据 · 2026

钩块框架/外壳

Structural housing component for hook blocks that provides mounting points and protects internal mechanisms in lifting systems.

技术定义与适配语境
典型 钩块框架/外壳 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。

The block frame/housing is a critical structural component in hook block assemblies used in cranes, hoists, and lifting equipment. It serves as the main structural element that houses the sheaves (pulleys), bearings, and hook attachment mechanisms while providing mounting interfaces for connection to crane structures. This component distributes load forces, maintains alignment of rotating elements, and protects internal components from environmental contaminants and mechanical damage.

组件规格

定义
The block frame/housing is a critical structural component in hook block assemblies used in cranes, hoists, and lifting equipment. It serves as the main structural element that houses the sheaves (pulleys), bearings, and hook attachment mechanisms while providing mounting interfaces for connection to crane structures. This component distributes load forces, maintains alignment of rotating elements, and protects internal components from environmental contaminants and mechanical damage.
工作原理
The block frame/housing functions as a load-bearing structure that transfers lifting forces from the wire rope through the sheaves to the hook. It maintains precise geometric alignment of multiple sheaves to ensure proper rope tracking and minimize wear. The housing encloses and protects the rotating components while providing attachment points for safety devices, lubrication systems, and inspection covers.
材料
Typically fabricated from high-strength low-alloy (HSLA) steel plates (ASTM A572 Grade 50 or equivalent)cast steel (ASTM A148 Grade 90-60)or forged steel components. May include wear-resistant inserts at contact points. Surface treatments include shot peeninggalvanizingor specialized coatings for corrosion protection in harsh environments.
Weight
50-5000 kg
Load Capacity
5-500 tons
Safety Factor
Minimum 4:1
Sheave Quantity
1-8 sheaves
Rope Diameter Range
10-100 mm
Corrosion Protection
ISO 12944 C4-M or equivalent
Operating Temperature
-40°C to +120°C
标准
ISO 4301ISO 12488DIN 15020ASME B30.10

行业分类与别名

钩块框架/外壳 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

Cyclic loading exceeding fatigue limits->Crack propagation in stress concentration areas->Regular NDT inspections, proper load monitoring, design with adequate safety factors
Inadequate corrosion protection->Reduced cross-sectional area and structural weakening->Proper coating systems, regular maintenance, environmental monitoring
Improper assembly or maintenance->Misalignment leading to premature bearing and sheave failure->Trained personnel, proper tools, adherence to assembly procedures

工业生态与工程逻辑

0
Structural fatigue cracking
1
Corrosion in marine environments
2
Misalignment causing accelerated wear
3
Overloading beyond rated capacity
4
Improper maintenance leading to failure

合规与检测

tolerance
±0.5 mm for bore diameters, ±1.0 mm for overall dimensions, angular alignment within 0.1 degrees
test method
Load testing to 125% of rated capacity, NDT (magnetic particle or dye penetrant), dimensional verification, material certification to applicable standards

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 primary function of a hook block frame/housing?

The primary function is to provide structural integrity for the hook block assembly, housing the sheaves and bearings while distributing lifting loads safely to the hook attachment point.

How often should hook block frames be inspected?

Visual inspections should be conducted daily before use, with detailed inspections including non-destructive testing (NDT) performed quarterly or according to manufacturer recommendations and regulatory requirements.

Can hook block frames be repaired if damaged?

Minor repairs may be performed by qualified personnel following manufacturer guidelines, but significant structural damage typically requires replacement to maintain safety certification and load ratings.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 钩块框架/外壳

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 钩块框架/外壳?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
钩体
下一个组件
钩点
URN:CNFX:ME:UNIT:BLOCK_FRAME_HOUSING