Automobile seat belt fixed point test bench
1. Product Overview
The Automobile Seat Belt Fixed Point Test Bench is designed to evaluate the strength and durability of seat belt anchorage points in vehicles. It simulates forces experienced during crashes and other extreme conditions to ensure that seat belt fixing points meet regulatory and manufacturer requirements. The system is widely used by automotive OEMs, safety laboratories, and R&D centers for certification, quality control, and vehicle safety development.
2. Product Features
Multi-channel hydraulic system capable of testing multiple seat belt anchorage points simultaneously.
High-precision load measurement and control, ensuring accurate evaluation of fixed point strength.
Adjustable stroke and loading speed to accommodate various seat designs and seat belt locations.
Load holding time can be adjusted steplessly to meet different testing protocols.
Computer-controlled system for automatic test execution, data acquisition, and reporting.
Robust safety features including emergency stop and overload protection to ensure reliable operation.
3. Applicable Standards
National Standards (China)
GB 15083-2006 – Automobile seats, seat fixtures and headrests strength requirements and test methods
GB 14167-2006/2013 – Car Seat Belt Installation Fixed Point
GB 11550-2009 – Automobile seat headrest strength requirements and test methods
GB 13057-2003/2014 – Strength of passenger seats and vehicle fasteners
GB 14166-2013 – Seat belt, restraint system, child restraint system for motor vehicle occupants, ISOFIX child restraint system
International Standards & Regulations
ECE R14 – Uniform Regulation on vehicle seat belt fixing points
ECE R17 – Uniform Regulation on vehicle seats, seat fixation points and headrests
ECE R80 – Child restraint systems
FMVSS 207 – Seating System
FMVSS 210 – Seat Belt Assembly Fixing Point
FMVSS 225 – Child Restraint System Fixed Point
Enterprise & Industry Standards
Volkswagen EP development standard – Strength of seat system and seat belt fixing point
SAE J384 – Stationary Point Test Code for Seat Belts in Motor Vehicles
SAE J385 – Motor Vehicle Seat Belt Fixed Point Performance Requirements
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Load Measuring Range | 0–30 kN (multi-channel, e.g., 6 channels) or 0–15 kN (fewer channels, e.g., 3 channels) |
| Control Accuracy | ±200 N for 5–30 kN load; ±100 N for 0–5 kN load |
| Hydraulic Cylinders | Number depends on design, e.g., 9 cylinders for 9-channel system |
| Cylinder Load Capacity | Typically 3T per cylinder or as required |
| Cylinder Stroke | Typically 1000 mm to fit various seat and belt positions |
| Loading Speed | Adjustable to reach preset output in ≤2 seconds |
| Load Holding Time | Stepless adjustable, typically 0.2–120 s |
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