The latest elevator traction steel belt (or flat composite traction steel belt), as an innovative alternative to the traditional elevator traction steel wire rope, has more advantages than the traditional traction steel wire rope.
Due to the structural problems of the traditional elevator traction steel wire rope, the steel wire will directly contact with the air, which will cause the steel wire to rust when the lubricant in the core of the steel wire rope dries up, so it needs to be checked frequently.
Moreover, the long-term friction between the steel wire and the traction wheel will lead to various problems of the steel wire, such as steel wire fracture, rope strand extrusion, local deformation and flattening of the steel wire, and the safety problem is more prominent; The traditional rigid structure of traction wire rope is prone to produce friction sound and rigid impact sound, and its running stability and mute performance are poor.
In addition, the steel wire bending radius of the traditional elevator traction rope is larger, which needs to occupy a larger shaft space, and its own weight is 20% heavier than the latest elevator traction belt, resulting in an increase in the load and energy consumption of the traction machine; The average life of the traditional elevator traction steel wire rope is far lower than that of the new elevator traction steel belt, which needs to be replaced periodically. The average life of the new elevator traction steel belt is 2-3 times that of the traditional steel wire rope.
The traditional elevator steel wire rope is also more expensive in installation. The installation needs to accurately control the tension of each steel wire rope, and the deviation needs to be ≤ 5%, which requires higher requirements for the professionalism of the installation workers.
Due to the above shortcomings of the traditional elevator steel wire rope, and the use of the elevator involves the safety of the majority of people, Uliflex, with more than 20 years of experience in the field of industrial belts, has put forward its own elevator belt solution ——— developed a flat composite traction steel belt.
The new flat composite traction steel belt developed by Uliflex adopts the structure of double polyurethane layer wrapping high tension steel wire.The inner steel wire with higher density is contained in the middle of the belt. This new belt structure can effectively isolate air and moisture, greatly improve the corrosion resistance, and the service life can reach 2-3 times that of the traditional steel wire rope. In addition, the safety factor of the steel wire is 12, far exceeding the Chinese national standard.
The polyurethane layer can visually inspect the surface damage. The polyurethane outer layer absorbs vibration and cooperates with the flexible structure of the steel belt. The belt has no rigid impact sound, which significantly reduces the running noise and improves the ride stability.
In addition, the polyurethane layer also has its own cleanness and wear resistance, which eliminates the need for regular lubrication of steel wire rope and reduces the need for daily maintenance.
The weight of the new flat composite traction steel belt is about 20% less than that of the traditional steel wire rope, which greatly reduces the load of the traction machine and energy consumption; The flat design increases the friction force, increases the friction coefficient by more than 30%, and improves the transmission efficiency. At the same time, the new flat composite traction steel belt has smaller bending radius, which makes the traction system more compact and effectively saves the shaft space.
Uliflex new flat composite traction steel belt has greater advantages than traditional steel wire rope, and is rapidly occupying the market and leading the innovation trend of elevator industrial belt.
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