Trailer Hitch Fatigue Testing Machine
Category：Torsion Testing Machine
Introduction
Trailer Hitch Fatigue Testing Machine is a testing device designed to evaluate the fatigue performance of trailer hitches. The machine adopts an electro-hydraulic system to simulate fatigue loads under actual operating conditions. It features high precision, excellent stability, and a high level of automation, enabling automatic control, data acquisition, and analysis functions.Meanwhile, the tester is equipped with multiple safety protection systems to ensure a safe and reliable testing process. The Trailer Hitch Fatigue Testing Machine is widely used in the automotive, trailer, marine, and related industries, serving as an essential piece of equipment for ensuring product quality, durability, and safety.
Applicable Standards
The Trailer Hitch Fatigue Testing Machine is designed according to relevant standards and test requirements, including:
ISO 18207:2006 — Road vehicles — Trailers up to 3.5 t — Control of welded towing brackets for coupling ball after fatigue testing
ISO 3853:1994 — Road vehicles — Towing vehicle coupling device to tow caravans or light trailers — Mechanical strength test
UNECE Regulation No.55 (ECE R55) — Uniform provisions concerning the approval of mechanical coupling components of combinations of vehicles
Customer-specific test specifications and automotive manufacturer standards
Applications
The Trailer Hitch Fatigue Testing Machine is mainly used to evaluate the fatigue strength, durability, and reliability of trailer hitch assemblies under repeated loading conditions.
Typical applications include:
Automotive Industry
Testing fatigue performance of vehicle towing brackets, tow hooks, and trailer coupling devices.
Trailer Manufacturing Industry
Evaluating the structural durability and service life of trailer hitch components.
Marine and Boat Trailer Industry
Testing towing components used for boat trailers and special-purpose trailers.
Automotive Parts Research & Quality Inspection
Used by manufacturers, research institutes, and third-party laboratories for product development, quality control, and safety verification.
Parameter
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Maximum Test Force | 500 kN | Relative Error of Force Indication (%) | ±1 or ±0.5 / ±0.52000 kN |
| Displacement Measurement Accuracy (%) | ±1 or ±0.5 | Loading Rate Range | 0.02%–2% FS/s |
| Accurate Measurement Range | 2%–100% FS | Piston Stroke (mm) | ≥200 (Customizable) |
| Piston Moving Speed | 50 mm/min | Bending Span (mm) | 100–450 / 100–700 |
| Displacement Measurement Resolution | 0.01 mm | Maximum Distance Between Tensile Jaws | 550 / 600 (Customizable) |
| Round Specimen Clamping Diameter (mm) | 10–32 / 13–40 / 13–60 | Flat Specimen Clamping Thickness (mm) | 0–15 / 0–30 / 0–40 |
| Flat Specimen Clamping Width (mm) | ≤75 | Effective Distance Between Supports (mm) | 450 (Customizable) |
| Motor Power (kW) | 2.2 + 1.1 |
Features
Electro-Hydraulic Loading System
Adopts an electro-hydraulic servo system to generate stable and accurate cyclic fatigue loads.
Simulates real working conditions of trailer hitch components.
High Precision Measurement
Equipped with high-accuracy force and displacement sensors.
Real-time monitoring of test force, displacement, and fatigue cycles.
Automatic Control System
Computer-controlled operation with automatic loading, data acquisition, and test process monitoring.
Supports automatic recording and analysis of test results.
High Stability and Reliability
Rigid frame structure ensures excellent mechanical stability.
Suitable for long-term fatigue testing.
Safety Protection Design
Equipped with overload protection, emergency stop function, and safety monitoring systems.
Ensures safe operation during high-load fatigue tests.
Flexible Test Configuration
Test parameters such as loading force, frequency, stroke, and cycle number can be customized according to customer requirements.
Wide Testing Range
Maximum test force up to 500 kN, suitable for various trailer hitch structures and heavy-duty towing components.
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