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LBT-3105 Rail Self-Locking Device Reliability and Locking Performance Testing Machine

The LBT-3105 rail‑type self‑locking device reliability and locking‑performance testing machine is designed for conducting 1,000‑cycle reliability tests on rail‑mounted self‑locking devices, as well as post‑exposure testing of their locking performance under specified environmental conditions. The equipment comprises a mainframe structure, an actuator motor, a control unit, and a fixed mounting assembly.

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Specialized Testing Machine Series

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lbt@lbt.ltd

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+86-15102211717

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LBT-3105 Rail Self-Locking Device Reliability and Locking Performance Testing Machine

Description

Product Introduction

The LBT-3105 rail‑mounted self‑locking device reliability and locking‑performance testing machine is designed for conducting 1,000‑cycle reliability tests on rail‑type self‑locking devices, as well as post‑testing of their locking performance under special environmental conditions.

Reference standard

GB 24542-2023 “Fall Protection — Self-Retracting Lifelines with Rigid Guide Rails”

GB 24537-2025 “Self-Locking Device for Flexible Guiding Rails in Fall Protection Systems”

Equipment Composition

It consists of a host frame, an equipment lifting motor, a control unit, and a fixed configuration.

Technical Specifications:

Comparison item	Reliability and Durability Testing	Locking Performance Test
Test load	Fixed 5 kg weight	Minimum rated load of the product
Number of iterations	1,000 repeated drops	Single-shot / Small-batch repeated testing
Key Assessment Points	Long-term repeated-use durability and fatigue life	Single‑fall braking arrest distance, instantaneous locking capability
Dimensional Control	The horizontal distance between the heavy object and the guide rail is ≤300 mm.	The self-locking device shall be no more than 300 mm from the top support; the release mechanism shall be no more than 300 mm from the guide rail.
Observation Focus	Does the device lock normally with each fall?	Locking distance value, unlocking sliding status

Reliability Test Requirements

Standardized Testing Procedure

a) Sampling assembly: Take a 1-meter-long rigid guide rail and install the self-locking device under test on the rail in accordance with the specified procedure.

b) Counterweight attachment: Suspend a 5 kg test weight at the end of the self-locking device’s connecting element.

c) Lifting counterweight: Lift the load, ensuring that the horizontal distance between the load and the rigid guide rail does not exceed 300 mm.

d) Free release: Release the weight to allow it to fall, and visually observe whether the self‑locking device instantly and reliably locks the guide rail.

e) Cyclic durability: Repeatedly perform steps c) and d) until a total of 1,000 drop‑cycle tests have been completed.

Passing Criteria:

Throughout the entire 1,000-cycle test, the fall‑arrest device reliably locked with each drop of the weight, exhibiting no slippage, failure, or inability to brake.
After testing, the self-locking device exhibits no structural damage, including cracking, deformation, jamming, spring failure, or excessive wear of the locking pawls.
Once unlocked, the self-locking device slides smoothly along the guide rail, with no sticking or jamming.

Special environmental rear-locking performance requirements:

a) Counterweight selection: For testing, the test weight shall be selected to correspond to the product’s minimum rated load.

b) Tooling connections: the guide rail is fully secured; the central lifting eye of the heavy load is connected to the release device, while the eccentric lifting eye of the heavy load is connected to the self-locking device.

c) Pre‑lifting positioning: Lift the test weight, with two dimensional control requirements:

The vertical distance between the self-locking device and the top bracket shall be ≤300 mm; the self-locking device shall remain in a free‑sliding, unlocked state.
The horizontal distance between the release device and the guide rail shall be ≤300 mm.

d) Drop test: A heavy object is released to fall freely, and after it comes to a complete stop, two tests are conducted:

① Measure and record the locking distance of the fall arrester during this fall.

② Unlock the self-locking device and verify that it slides smoothly along the rigid guide rail, with no obstruction or jamming.

Key Records and Determination Requirements:

The locking distance shall comply with the product’s standard limit requirements (determined in accordance with the applicable national or enterprise standards).
At the moment of fall, the self-locking device immediately locks, with no sustained slippage or excessive descent of the suspended load.
Once unlocked, the self-locking device can slide freely along the guide rail, with no wear‑induced binding or deformation of components.
Products of the same specification must undergo repeated testing; multiple sets of locking‑distance data should be recorded, and the average value shall be archived.

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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LBT-3105 Rail Self-Locking Device Reliability and Locking Performance Testing Machine

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