Belt conveyors come in various structural types, including troughed belt conveyors, flat belt conveyors, incline belt conveyors, side倾斜 belt conveyors, and curved belt conveyors, among others. Common belt conveyors include: general canvas core belt conveyors, steel wire rope core high-strength belt conveyors, fully explosion-proof downward belt conveyors, flame-retardant belt conveyors, dual-speed dual-direction belt conveyors, reversible mobile belt conveyors, and cold-resistant belt conveyors, etc. Belt conveyors are mainly composed of frames, conveying belts, belt rollers, tensioning devices, and transmission units.