行业组件数据 · 2026

铰链销与支架

Hinge pins and brackets are critical components in dump body systems that enable controlled articulation and secure attachment between the dump body and chassis frame.

技术定义与适配语境
典型 铰链销与支架 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

Hinge pins and brackets form the pivotal connection mechanism in dump body assemblies, consisting of precisely machined cylindrical pins that rotate within corresponding bracket housings. These components facilitate the controlled tilting motion of the dump body during material discharge operations while maintaining structural integrity under extreme load conditions. The system typically includes hardened steel pins, reinforced mounting brackets, and retention mechanisms to prevent accidental disengagement.

组件规格

定义
Hinge pins and brackets form the pivotal connection mechanism in dump body assemblies, consisting of precisely machined cylindrical pins that rotate within corresponding bracket housings. These components facilitate the controlled tilting motion of the dump body during material discharge operations while maintaining structural integrity under extreme load conditions. The system typically includes hardened steel pins, reinforced mounting brackets, and retention mechanisms to prevent accidental disengagement.
工作原理
Hinge pins serve as rotational axes that allow the dump body to pivot relative to the chassis frame. Brackets provide secure mounting points and bearing surfaces for the pins, distributing operational loads across the chassis structure. During dumping operations, hydraulic cylinders apply force to rotate the dump body around the hinge pin axis, while brackets maintain alignment and prevent lateral movement.
材料
High-strength alloy steel (AISI 4140/4340)heat-treated to HRC 40-45corrosion-resistant coatings (zinc platingpowder coatingor hot-dip galvanizing)optional stainless steel (316 grade) for corrosive environmentsbronze or polymer bushings for wear surfaces.
Pin Length
150-500 mm
Pin Diameter
25-100 mm
Load Capacity
5-50 tons
Surface Hardness
HRC 40-45
Bracket Thickness
10-25 mm
Operating Temperature
-40°C to 120°C
标准
ISO 286-2DIN 6325SAE J429ASTM A29

行业分类与别名

铰链销与支架 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

Insufficient lubrication->Accelerated wear and seizing->Implement automated lubrication systems and regular maintenance schedules
Material fatigue from cyclic loading->Crack propagation and catastrophic fracture->Use fatigue-resistant alloys and implement non-destructive testing during inspections
Corrosive environment exposure->Reduced cross-sectional strength and premature failure->Apply corrosion-resistant coatings and use stainless steel components in harsh environments

工业生态与工程逻辑

0
Shear failure under overload
1
Corrosion-induced weakening
2
Bearing surface wear
3
Fatigue cracking
4
Improper installation leading to misalignment

合规与检测

tolerance
Pin diameter: ±0.05 mm, Bracket bore: H7 tolerance, Straightness: 0.1 mm per 100 mm
test method
Ultrasonic testing for internal defects, hardness testing (Rockwell C), dimensional verification with micrometers, load testing to 150% of 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

How often should hinge pins be inspected?

Hinge pins should be visually inspected weekly for wear, corrosion, and deformation, with detailed measurements taken during scheduled maintenance every 500 operating hours or 3 months.

What causes premature hinge pin failure?

Common causes include inadequate lubrication, misalignment during installation, excessive side loading, corrosion from environmental exposure, and using pins below required hardness specifications.

Can hinge pins be reconditioned?

Yes, pins with minor wear can be reconditioned through precision grinding and re-hardening, but replacement is recommended when wear exceeds 5% of original diameter or surface damage compromises structural integrity.

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CNFX Industrial Component Index · 汽车制造

数据基础

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初步技术归类
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