行业组件数据 · 2026

悬臂连接支架

A structural bracket connecting the jib to the mast/column in lifting machinery, providing secure attachment and load transfer.

技术定义与适配语境
典型 悬臂连接支架 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 Jib Connection Bracket is a critical structural component in mast/column-based lifting equipment that serves as the interface between the jib (horizontal or inclined boom) and the vertical mast or column. It is engineered to withstand complex loading conditions including vertical loads, bending moments, and torsional forces while maintaining precise alignment. This component ensures proper load path transfer from the jib to the mast structure and provides the necessary rigidity to prevent deflection during operation.

组件规格

定义
The Jib Connection Bracket is a critical structural component in mast/column-based lifting equipment that serves as the interface between the jib (horizontal or inclined boom) and the vertical mast or column. It is engineered to withstand complex loading conditions including vertical loads, bending moments, and torsional forces while maintaining precise alignment. This component ensures proper load path transfer from the jib to the mast structure and provides the necessary rigidity to prevent deflection during operation.
工作原理
The bracket functions as a mechanical interface that transfers loads from the jib to the mast through bolted or welded connections. It distributes stress concentrations across multiple attachment points, maintains geometric alignment between components, and provides structural continuity. The design incorporates features to accommodate thermal expansion, vibration damping, and fatigue resistance through optimized geometry and material selection.
材料
High-strength low-alloy steel (HSLA) grades such as ASTM A572 Grade 50 or equivalentwith yield strength ≥345 MPa. Alternative materials include forged steel alloys for high-load applications or aluminum alloys for weight-sensitive applications where corrosion resistance is prioritized.
Weight Range
15-150 kg
Load Capacity
5-50 tons (depending on application)
Mounting Holes
ISO metric thread or SAE standard
Connection Type
Bolted or welded
Surface Treatment
Hot-dip galvanized or powder coated
Operating Temperature
-20°C to +80°C
标准
ISO 4301DIN 15018ISO 12100EN 13001

行业分类与别名

悬臂连接支架 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

Fatigue cracking from cyclic stress concentrations->Crack propagation leading to structural failure->Regular NDT inspections, proper material selection with adequate fatigue strength, design optimization to reduce stress concentrations
Corrosion in marine or chemical environments->Reduced cross-sectional area and strength degradation->Appropriate corrosion-resistant coatings, material selection (stainless steel or aluminum alloys for corrosive environments), regular maintenance
Improper bolt torque during installation->Connection loosening leading to excessive movement and accelerated wear->Use of calibrated torque wrenches, proper bolt tightening sequences, regular torque checks during maintenance

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Corrosion in harsh environments
2
Improper installation leading to misalignment
3
Overloading beyond rated capacity
4
Bolt loosening from vibration

合规与检测

tolerance
±0.5 mm for mounting hole positions, ±1° for angular alignment, surface flatness within 0.2 mm per 100 mm
test method
Static load testing at 125% of rated capacity, fatigue testing per ISO 8686, non-destructive testing (magnetic particle or dye penetrant), dimensional verification with CMM

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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 Jib Connection Bracket?

The primary function is to securely connect the jib to the mast/column while transferring operational loads (including lifting loads, dynamic forces, and environmental loads) between these structural elements with minimal deflection and stress concentration.

How often should Jib Connection Brackets be inspected?

Visual inspections should be conducted daily before operation, with detailed inspections including non-destructive testing (NDT) every 6-12 months depending on usage intensity, as per ISO 9927-1 standards for crane inspection.

Can Jib Connection Brackets be repaired if damaged?

Minor surface damage can be repaired following manufacturer specifications, but structural damage typically requires replacement. Any repair must be approved by a qualified engineer and comply with original design specifications.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:JIB_CONNECTION_BRACKET