行业组件数据 · 2026

主立柱

The Main Upright Post is the primary vertical structural member in ROPS frames, providing critical roll-over protection and load-bearing support for heavy machinery.

技术定义与适配语境
典型 主立柱 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。

The Main Upright Post is a fundamental structural component within Roll-Over Protective Structures (ROPS) frames, designed as the principal vertical load-bearing element. It serves as the backbone of the protective cage, transferring impact forces from overhead structures to the machine's chassis during roll-over incidents. Engineered to withstand compressive, bending, and torsional stresses, it ensures operator safety by maintaining structural integrity under dynamic loads exceeding 10,000 N. The post typically features standardized mounting interfaces, corrosion-resistant coatings, and precision-machined connection points for cross-members and overhead beams.

组件规格

定义
The Main Upright Post is a fundamental structural component within Roll-Over Protective Structures (ROPS) frames, designed as the principal vertical load-bearing element. It serves as the backbone of the protective cage, transferring impact forces from overhead structures to the machine's chassis during roll-over incidents. Engineered to withstand compressive, bending, and torsional stresses, it ensures operator safety by maintaining structural integrity under dynamic loads exceeding 10,000 N. The post typically features standardized mounting interfaces, corrosion-resistant coatings, and precision-machined connection points for cross-members and overhead beams.
工作原理
Operates on structural mechanics principles to absorb and redistribute kinetic energy during roll-over events. It functions as a cantilevered column that resists buckling through optimized cross-sectional geometry (typically box or tubular sections) and material yield strength. During impact, the post undergoes elastic deformation to dissipate energy while maintaining critical deflection limits (<150mm) to preserve survival space. Its design incorporates stress concentration reduction through radiused transitions and reinforced base plates.
材料
High-strength low-alloy steel (HSLA) grades ASTM A572 or EN 10025 S355minimum yield strength 355 MPawith hot-dip galvanized coating (minimum 85μm) or epoxy-polyester powder coating. Alternative materials include aluminum alloy 6061-T6 for weight-sensitive applications or DOM (Drawn Over Mandrel) steel tubing for enhanced fatigue resistance.
height
1200-2500 mm
cross section
100x100 mm to 150x150 mm
surface finish
Zn-Al coating ≥100g/m²
wall thickness
4-8 mm
weight capacity
≥15,000 N static load
deflection limit
<5% of height under max load
mounting hole pattern
ISO 898-1 M12 or M16 bolts
标准
ISO 3471ISO 3164SAE J397DIN 75302

行业分类与别名

主立柱 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 at base weld->Implement regular non-destructive testing (magnetic particle inspection) and use stress-relieved welding procedures
Inadequate corrosion protection->Section loss reducing load capacity->Apply multi-layer coating systems and specify marine-grade materials for corrosive environments

工业生态与工程逻辑

0
Fatigue cracking at weld points
1
Corrosion in harsh environments
2
Improper installation causing misalignment
3
Material degradation from UV exposure

合规与检测

tolerance
±1.5mm on critical dimensions, angular alignment within 0.5°
test method
Static load testing per ISO 3471 with 20,000 N vertical load, deflection measurement via LVDT sensors

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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 the Main Upright Post in ROPS frames?

It serves as the main vertical load-bearing element that transfers impact forces during roll-overs while maintaining the survival space for operators.

How often should Main Upright Posts be inspected?

Visual inspection before each use, with detailed structural inspection every 500 operating hours or after any impact event, following manufacturer guidelines.

Can upright posts be repaired if damaged?

No structural repairs are permitted per ISO 3471; damaged posts must be replaced entirely to maintain certification integrity.

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CNFX Industrial Component Index · 汽车制造

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