Hebi Wanfeng Mining Machinery Manufacturing Co., Ltd.
No. 01, Northeast Corner of the Intersection of Heqi Avenue and Weishi Road, Urban-Rural Integration Demonstration Area, Hebi City, Henan Province
+86 138 3921 6889
+86 138 3921 2896
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Model BF Fall Arrest Device

Model BF Fall Arrest Device


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Product Introduction
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Model BF Fall Arrest Device
Model BF Fall Arrest Device
Model BF Fall Arrest Device
Product Introduction

The full name of Model BF Fall Arrester is Mining Rolling Wedge Fall Arrester for Rope Guides. It is a mandatory safety protection device for single-rope hoisting systems in vertical shafts. Matched with cages and JFS tipping skips, it is specially designed to prevent cage falling accidents caused by breakage of hoisting steel ropes or connecting fittings, and it is legally required safety equipment for mines.
Reliable Emergency Braking Performance: Adopts stable wedge self-locking clamping structure. Once the hoisting rope or connecting fitting breaks, it can instantly and firmly lock the skip on the braking rope to thoroughly avoid shaft falling accidents and guarantee underground lifting safety.
Strong Adaptability: Compatible with JFS series tipping skips and other types of mine skips. Supports multiple specifications of terminal loads, and matches various standard braking ropes and buffer ropes with different diameters.
Excellent Buffer Shock Absorption: Equipped built-in high-performance buffer spring groups. It evenly absorbs huge impact force during emergency capture, effectively protecting skip, steel wire ropes headframe from impact damage.
Light Structure & Easy Maintenance: Modular integrated design simple layout few vulnerable parts. Core components including wedge blocks buffer springs are easy to inspect, disassemble, replace and conduct daily maintenance.
Long Service Life: Key load-bearing parts made high-strength alloy steel anti-wear anti-corrosion treatment, adapting to dusty, humid and severe underground mine working environments for long-term repeated braking operation.
Automatic Reset Function: After emergency locking, arrester automatically resets synchronously when the skip descends normally without extra manual operation, greatly improving the continuity and efficiency of mine lifting work.

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Technical Specifications
Model BF Fall Arrest Device Technical Parameters
ModelBF111BF122BF112BF152BF321BF311BF0551
Maximum Calculated Braking Force (KN)12218922128634528660
Maximum Terminal Load (kg)5300820095901231115000118002500
Buffer Rope Diameter (mm)43434343434328
Braking Rope Diameter (mm)26313131403421.5
Center Distance of  Braking Ropes (mm)111611161394129015561556960-1110
Maximum Spring Working Load (KN)3.143.9557.551.5
Maximum Wedge Stroke (mm)130140140140140140110


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