Cable bridge convenient for laying cables and wires

The utility model discloses a cable bridge convenient for laying cables and wires, which comprises a cable trough, at least two first guide wheels, a second guide wheel and at least two third guide wheels, trough bodies are arranged on two sides of the cable trough along the length direction, first shafts are arranged at the centers of two ends of the first guide wheels, and second shafts are arranged at the centers of two ends of the second guide wheels. The first guide wheels are fixedly connected through first shafts to form a guide wheel set, the guide wheel set is movably embedded in the inner sides of the groove bodies on the two sides through the first shafts at the two ends, second shafts are arranged in the centers of the two ends of the second guide wheels, and the second guide wheels are movably embedded in the inner sides of the groove bodies on the two sides through the second shafts at the two ends. And the first guide wheel, the second guide wheel and the third guide wheel are sequentially arra