行业组件数据 · 2026

连杆耳/销

Linkage ears and pins are critical connecting components in mining bucket assemblies that enable articulated movement and load transfer between structural elements.

技术定义与适配语境
典型 连杆耳/销 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。

Linkage ears are forged or cast structural brackets with precisely machined bores that serve as mounting points on mining bucket components. Pins are hardened cylindrical shafts that insert through these bores to create pivot joints, allowing controlled rotational movement between connected parts like bucket lips, side plates, and attachment mechanisms. These components work together to distribute operational forces while maintaining alignment under extreme mining conditions.

组件规格

定义
Linkage ears are forged or cast structural brackets with precisely machined bores that serve as mounting points on mining bucket components. Pins are hardened cylindrical shafts that insert through these bores to create pivot joints, allowing controlled rotational movement between connected parts like bucket lips, side plates, and attachment mechanisms. These components work together to distribute operational forces while maintaining alignment under extreme mining conditions.
工作原理
Linkage ears provide fixed mounting surfaces with reinforced bearing areas, while pins act as rotating axles within these bearings. The pin-ear interface creates a low-friction pivot point that converts linear forces from hydraulic cylinders into controlled bucket articulation, enabling digging, lifting, and dumping motions while maintaining structural integrity through shear and bearing load distribution.
材料
Ears: Forged ASTM A36 steel or cast ASTM A148 Grade 80-50Pins: Through-hardened 4140 alloy steel (HRC 45-50) or case-hardened 8620 steel with induction hardeningBushing surfaces: Bronze alloy C93200 or hardened steel sleeves with grease channels
Fatigue Life
≥1×10⁶ cycles
Pin Diameter
50-150mm
Bore Tolerance
H8/g6 fit
Shear Strength
≥450 MPa
Surface Hardness
45-50 HRC
Corrosion Protection
Zinc plating or thermal spray coating
标准
ISO 286-2DIN 6325ISO 10791-7ASTM A29

行业分类与别名

连杆耳/销 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

Insufficient lubrication->Galling and seizure at bearing surfaces->Implement automated greasing systems with pressure monitoring and use polymer-impregnated bushings
Misalignment during assembly->Eccentric loading causing premature bore wear->Use laser alignment tools during installation and incorporate self-aligning spherical bushings

工业生态与工程逻辑

0
Catastrophic shear failure under overload
1
Progressive wear leading to joint slop
2
Corrosion in acidic mining environments
3
Fatigue cracking at stress concentrations

合规与检测

tolerance
Pin diameter: ±0.05mm, Bore roundness: 0.02mm max, Surface finish: Ra 1.6μm max
test method
Rockwell hardness testing per ASTM E18, dimensional verification with CMM, magnetic particle inspection per ASTM E1444, load testing to 150% rated capacity

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 causes premature wear in linkage pins?

Primary causes include inadequate lubrication, misalignment exceeding 0.5°, contamination ingress, improper hardness matching between pins and bushings, and exceeding rated load capacities during operation.

How often should linkage pins be inspected?

Visual inspection every 250 operating hours, dimensional measurement every 1000 hours, and non-destructive testing (magnetic particle or ultrasonic) every 5000 hours or after extreme loading events.

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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: 连杆耳/销

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URN:CNFX:ME:UNIT:LINKAGE_EARS_PINS