Double-rope-grabbing-disc tandem type elevator

A double-rope-grabbing-disc tandem type elevator comprises a power source, a controller, a motor, a rack, a transmission mechanism, a first rope grabbing wheel, a second rope grabbing wheel, a gear rack, a first guide wheel, a first guide frame, a second guide frame, a guide device, an acceleration sensor, a hook, a first protective cover, a second protective cover, a handle, a first transmission shaft, a second transmission shaft and a third transmission shaft. Wherein the transmission mechanism comprises a first gear, a second gear and a third gear; the first rope grabbing wheel and the second rope grabbing wheel are each of a wedge-shaped groove structure, and tooth strips are arranged on the inner side faces of wedge-shaped grooves. The first guide frame and the second guide frame are in an inverted triangle shape and are installed above the first rope grabbing wheel and the second rope grabbing wheel. The guide device comprises a second guide wheel, a vertical block, a limiting block and a guide wheel sh