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The use of flat steel-polymer supporting ropes in mining multi-pole hoisting devices

Stawowiak Michał, Żołnierz Marcel, Rożenek Zenon

New Trends in Production Engineering

2019

Vol. 2, Iss. 1

168--177

The paper presents the development of a series of flat steel and polymer bearing ropes using a polyurethane polymeric material (the name of NPSP - flat steel-polyurethane). These ropes are intended for mining extraction devices with friction drive (multi-mill drive wheel, multi-rope drums with a number of ropes from 3 to 12 pieces). The authors of this article have presented a comparison of the drive power of a selected multi-mine mine hoist device with a classic steel round rope with the same extractor in which steel and polymer flat carrying ropes were used. The article also presents the development of mining construction of hoisting equipment, which includes the use of new rope ropes. Very positive results from exploitation in Polish mining of flat steel-rubber balance ropes (durability up to 12 years) can be the basis for the use of such ropes as supporting ropes. Flat steel-polymer supporting ropes, in which the matrix can be rubber or polyurethane or other plastic material, could contribute to increasing the durability of load-bearing ropes due to anti-corrosion protection as well as to reduce the dimensions of drive wheels and rope hoisting machines, and thus to lower the power of the winding machine (as a result of reducing the moments of inertia of the propeller, propulsion and rope). It is also worth mentioning that the NPSP carrying ropes can work directly on steel coatings of propeller drums with proper positioning, created by clamping elements (wood, plastic or aluminum blocks).