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LBT-HW-102 Safety Helmet Chin Strap Strength Tester

It is primarily used to test the lateral rigidity of safety helmets and the strength of their chin straps. It is widely employed by specialized labor protective equipment supervision and inspection stations, research institutes of construction science, construction engineering quality testing stations, power‑related departments, and manufacturers of safety helmets.

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Safety helmet testing equipment

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LBT-HW-102 Safety Helmet Chin Strap Strength Tester

Description

Product Introduction

Manufactured in accordance with the safety helmet standards GB/T 2812-2024 and GB 2811-2019, this equipment is primarily used to test the lateral rigidity of safety helmets and the strength of their chin straps. It is widely employed by specialized labor protective equipment supervision and inspection stations, architectural research institutes, construction engineering quality testing centers, power utilities, and safety helmet manufacturers.

Host structure

1. The machine features a single-column structure, with vertical linear motion that eliminates the issues of jamming and tilting commonly encountered in similar equipment when moving laterally.

2. Integrated design eliminates the need to change fixtures; it allows direct switching between the chin‑strap strength fixture and the lateral rigidity fixture.

3. The testing process is controlled via a touch screen, PLC, and a dedicated test program. The system features automated control; the motor is a servo motor paired with a controller, eliminating the need for manual speed adjustments. The program automatically adapts to test conditions and performs automatic evaluation and processing of test data and results. (Optional computer-based control is available.)

4. The test is conducted under automatic closed-loop control of the test procedure, with a 30-second constant-force hold automatically maintained. Manual adjustment based on force variations is not required.

5. Real-time display of force, time, displacement, deformation, velocity, test curves, and other parameters during the testing process.

6. The oversized chin strap features an extended travel of up to 500 mm, effectively addressing the issue of deformation and inaccuracy caused by the strap slipping off the adjustment buckle under load during downward movement.

Reference standard:

GB/T 2812-2024 “Test Methods for Safety Helmets,” GB 2811-2019

Technical Specifications:

Parameter Category	Detailed specifications
Impact hammer	Weight: 5–5.01 kg; hammerhead: hemispherical, φ96 mm; material: 45# steel; appearance: symmetrical and well-proportioned.
Puncture hammer	Material: 45# steel; Weight: 3–3.05 kg; Piercing section: cone angle 60°, cone tip diameter 1 mm, length 40 mm; Hardness: HRC 45
Sensor	Type: Dynamic force sensor; Range: 0–20,000 N; Frequency: Not less than 5 kHz; Accuracy: 1.5%
Data system	Sampling frequency: 20 kHz; sampling time: 50 ms; lower detection limit: 500 N
Impact height	0–1100 mm / 0–1500 mm, dual-range option, electrically adjustable
Test head phantom	Weight: 5.0 ± 0.1 kg; Height: 250 mm; Material: Aluminum–magnesium alloy; Features: Repairable after impact.
Equipment Power Supply	AC 220V, 50Hz

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LBT-HW-102 Safety Helmet Chin Strap Strength Tester

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