News

QMH long-distance continuous steel wire rope belt supporting water conservancy tunnel TBM rapid excavation

Nov.08, 2024

QMH 12KM continuous turning steel cord conveyor belt is used for long-distance transportation of TBM construction waste in water conservancy projects.

Since it was put into operation in early 2024, the QMH long-distance steel cord conveyor belt has been running stably in this project for nearly 6 months.


Long distance 12km Belt storage bin 580m

Continuous turning 4 Turning radius 500m

Transport capacity 250TPH Belt speed 3.15m/s

Daily operation time>20 hours Daily excavation volume 1000m+


Difficulties of the project

The overall transportation distance of the project is long, there are many continuous turns, the layout is complex, and the continuous working time is long.

The project uses the country's first 4.03m diameter gantry open TBM, which has high excavation efficiency. In view of the on-site working conditions and geological conditions of the transportation, the configuration requirements of the conveyor belt itself and the equipment are put forward higher requirements:

①High requirements for the bending flexibility of the wire rope belt

②High requirements for the wear resistance of the edge of the belt

③It needs to meet the transportation requirements of long-term stable operation in a high wear-resistant environment and high efficiency and energy-saving transportation.


Solution

In response to the complex working conditions at the project site and the pain points of customers, QMH delivered a steel cord conveyor belt system with higher wear resistance, longer service life and smoother operation for the project

The overall performance is more suitable for complex terrain

It solves the problems of frequent longitudinal cracks and local crushing of the belt body during long-distance and multi-turn transportation, and efficiently meets the transportation volume requirements of on-site construction excavation.

At the same time, it effectively improves the overall operation efficiency of the project and the safety of the conveying system

Customized structural design of conveyor belt Low rolling resistance design High wear-resistant covering rubber

Eye roll double head design saves on-site joint time and downtime

On-site hot vulcanized joint Regular maintenance and inspection service

QMH focuses on green and efficient transportation of bulk materials, and will continue to provide users with more diversified and innovative transportation systems in the future

Reduce customers' comprehensive operating costs through high-quality and cost-effective products and service solutions


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