行业组件数据 · 2026

格构式构件(用于格构式吊臂)

Lattice members are structural components forming the framework of lattice booms in cranes and heavy machinery, providing strength with reduced weight.

技术定义与适配语境
典型 格构式构件(用于格构式吊臂) 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。

Lattice members are engineered structural elements that constitute the open framework of lattice booms, commonly used in mobile cranes, tower cranes, and similar heavy lifting equipment. These members are arranged in triangular or geometric patterns to create a truss structure that offers exceptional strength-to-weight ratio, allowing for extended reach and high load capacity while minimizing material usage and overall weight. They are critical for boom stability, load distribution, and resistance to bending and torsional forces during lifting operations.

组件规格

定义
Lattice members are engineered structural elements that constitute the open framework of lattice booms, commonly used in mobile cranes, tower cranes, and similar heavy lifting equipment. These members are arranged in triangular or geometric patterns to create a truss structure that offers exceptional strength-to-weight ratio, allowing for extended reach and high load capacity while minimizing material usage and overall weight. They are critical for boom stability, load distribution, and resistance to bending and torsional forces during lifting operations.
工作原理
Lattice members work on the principle of truss mechanics, where individual members (typically arranged in triangles) transfer loads primarily through axial forces (tension or compression) rather than bending. This configuration efficiently distributes stresses across the boom structure, maximizing strength and stiffness while minimizing deflection under load. The open design reduces wind resistance and material weight compared to solid beams.
材料
High-strength low-alloy (HSLA) steel (e.g.ASTM A572 Grade 50 or equivalent)with yield strengths typically ranging from 345 MPa to 690 MPa. May include corrosion-resistant coatings like galvanization or specialized paints. Advanced applications may use aluminum alloys (e.g.6061-T6) for weight reduction in non-critical sections.
Connection Type
Bolted, pinned, or welded joints
Weight Reduction
30-50% compared to equivalent solid beams
Typical Dimensions
Diameter: 50-300 mm, Wall Thickness: 3-25 mm
Design Load Capacity
Varies by application (e.g., 10-500 tons)
Member Cross-Section
Circular or rectangular tubes, angles, or custom profiles
标准
ISO 4301DIN 15018ISO 10972DIN 18800

行业分类与别名

格构式构件(用于格构式吊臂) 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

Overloading beyond design limits->Member yielding or buckling->Implement load monitoring systems, adhere to rated capacity charts, and conduct regular structural inspections.
Corrosion due to environmental exposure->Reduced cross-sectional area and strength->Apply protective coatings, use corrosion-resistant materials, and schedule periodic cleaning and inspection.
Fatigue from repeated stress cycles->Crack initiation and propagation->Design with fatigue-resistant details, perform non-destructive testing (e.g., ultrasonic), and replace members at recommended intervals.

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Corrosion in harsh environments
2
Buckling under compressive loads
3
Joint failure due to improper assembly or wear

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m for general lengths and angles; joint alignment within ±2 mm for bolted connections
test method
Non-destructive testing (NDT) methods: ultrasonic testing for weld integrity, magnetic particle inspection for surface cracks; load testing per ISO 4309 for verification

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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 are the advantages of lattice members over solid beams in boom construction?

Lattice members offer superior strength-to-weight ratio, reduced material costs, lower wind resistance, and easier transport and assembly compared to solid beams, making them ideal for long-reach applications.

How are lattice members connected in a boom structure?

They are typically connected via bolted or pinned joints at node points, allowing for modular assembly, disassembly, and replacement. Welding is used in permanent designs for enhanced rigidity.

What maintenance is required for lattice members?

Regular inspection for corrosion, cracks, or deformation; cleaning to prevent debris accumulation; and checking joint integrity (bolts, pins) are essential. Protective coatings should be maintained to prevent rust.

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URN:CNFX:ME:UNIT:LATTICE_MEMBERS_FOR_LATTICE_BOOMS_