Technological innovation of mine hoist: a double breakthrough in safety and efficiency

2024-02-18 07:39:03

Hoist challenges in the context of mining upgrades

With the advancement of intelligent mine construction, the mine hoist, as the core transportation equipment, 

has become the focus of the industry for its technological innovation. 

How to improve transportation efficiency under the premise of ensuring safety has become an urgent problem for mining enterprises

1. Safety operation specification: the lifeline of mine hoist

Standardized operating procedures

Drivers need to strictly implement the principle of "four diligence and five non-walking": listen to the abnormal noise of the equipment, 

check the lubrication system frequently, measure the braking performance frequently, and troubleshoot hidden dangers frequently; 

It is strictly forbidden to leave the post if the task is not completed in shift, the equipment hygiene is not up to standard, and the fault is not handled

Intelligent protection system

The modern hoist is equipped with multiple safety devices such as over-coil protection, loose rope protection, and staggered protection,

 and real-time monitoring of wire rope tension, 

container position and other parameters through the PLC control system to achieve millisecond-level fault response

2. Technology optimization path: the leap from traditional to intelligent

Innovations in the drive system

It adopts permanent magnet synchronous motor + vector control technology, which saves energy by 15%-20% compared with traditional inverters, 

and supports forward and reverse two-way operation, 

adapting to the needs of inclined shafts/shafts in multiple scenarios

Material and structural upgrades

Carbon fiber composite brake discs are 30% lighter, and the high temperature resistance is increased to 600°C; 

Modular cabinet design reduces equipment maintenance time by up to 40%

Digital management and control platform

The intelligent dispatching system based on the industrial Internet can optimize the transportation plan in real time: 

the lifting speed of an iron ore mine is increased by 20%, and the failure rate is reduced by 30%

3. Future development trend: green and intelligent go hand in hand

Direction of energy efficiency improvement

The braking energy is recovered to the grid through the energy feedback device, and the soft start is realized with the hydraulic coupling, 

and the comprehensive energy consumption is reduced by 25% compared with the traditional system.

AI diagnostic applications

A machine learning-based vibration analysis system predicts bearing failures up to 14 days in advance, reducing unplanned downtime costs

Conclusion: The inevitable choice of technology to empower the mining industry

The continuous optimization of mine hoist is not only a rigid demand for safe production, 

but also a key fulcrum for the intelligent transformation of the mining industry. 

It is recommended that enterprises establish a dual guarantee system of

 "preventive maintenance + intelligent monitoring" to achieve a win-win situation of safety and efficiency