行业组件数据 · 2026

延伸梁

Extension beam is a structural component in hydraulic extension systems that provides controlled linear motion and load support.

技术定义与适配语境
典型 延伸梁 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。

An extension beam is a precision-engineered structural member used in hydraulic extension mechanisms, designed to translate hydraulic pressure into controlled linear displacement while maintaining rigidity and alignment under load. It typically consists of a hollow or solid beam that slides within a stationary housing, guided by linear bearings or bushings, and connects to hydraulic cylinders via mounting interfaces. The component ensures smooth extension/retraction cycles while distributing operational forces across the machine frame.

组件规格

定义
An extension beam is a precision-engineered structural member used in hydraulic extension mechanisms, designed to translate hydraulic pressure into controlled linear displacement while maintaining rigidity and alignment under load. It typically consists of a hollow or solid beam that slides within a stationary housing, guided by linear bearings or bushings, and connects to hydraulic cylinders via mounting interfaces. The component ensures smooth extension/retraction cycles while distributing operational forces across the machine frame.
工作原理
The extension beam operates on the principle of hydraulic force transmission: pressurized hydraulic fluid acts on a piston connected to the beam, converting fluid energy into linear mechanical motion. The beam's geometry and mounting configuration constrain this motion to a single axis, while integrated seals prevent fluid leakage and guide systems (such as recirculating ball bearings) minimize friction. Load transfer occurs through the beam's cross-section to the machine structure, with stress distributed along its length to prevent buckling or deflection.
材料
High-strength low-alloy steel (HSLA) grades such as ASTM A572 or EN 10025 S355with yield strength ≥355 MPaalternative materials include aluminum alloys (e.g.6061-T6) for lightweight applications or stainless steel (AISI 304/316) for corrosive environments. Surface treatments: hard chrome plating (15-30 μm) for wear resistancephosphate coating for corrosion protectionor powder coating for aesthetic finishes.
Length Range
500-3000 mm
Load Capacity
5-50 kN
Stroke Length
100-1500 mm
Surface Hardness
HRC 45-60
Weight per Meter
8-25 kg/m
Operating Pressure
Up to 210 bar
Straightness Tolerance
≤0.1 mm/m
标准
ISO 6020-2DIN 24342ISO 4401

行业分类与别名

延伸梁 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

Inadequate lubrication or contaminated guide surfaces->Increased friction, erratic motion, or seizure->Implement regular maintenance schedules, use sealed guide systems, and apply compatible lubricants per manufacturer specifications.
Exceeded load capacity or shock loads->Plastic deformation, cracking, or catastrophic fracture->Incorporate load sensors or pressure relief valves, conduct finite element analysis (FEA) during design, and adhere to safety factors ≥2.5.
Corrosion due to environmental exposure->Reduced cross-sectional strength, pitting, or seal degradation->Specify corrosion-resistant materials (e.g., stainless steel), apply protective coatings, and design drainage features to avoid fluid accumulation.

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Misalignment causing binding or wear
2
Corrosion in humid/chemical environments
3
Overload leading to permanent deformation

合规与检测

tolerance
Linear dimensions: ±0.5 mm; straightness: ≤0.1 mm/m per ISO 2768-m; surface roughness: Ra ≤1.6 μm for sliding surfaces
test method
Dimensional inspection via CMM, load testing per ISO 6020-2 (pressure hold and cycle tests), hardness testing per ASTM E18, and non-destructive testing (e.g., ultrasonic) for weld integrity.

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 is the primary function of an extension beam in hydraulic systems?

The extension beam converts hydraulic pressure into controlled linear motion while supporting mechanical loads and maintaining alignment during extension/retraction cycles.

How do I select the right extension beam for my application?

Consider load capacity, stroke length, operating environment (corrosion, temperature), material compatibility, and adherence to standards like ISO 6020-2. Consult manufacturer datasheets for dynamic load ratings.

Can extension beams be customized for non-standard lengths?

Yes, manufacturers often provide custom lengths and mounting configurations, but ensure structural calculations account for increased deflection risks in longer beams.

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