Cable protection device for building electrical engineering

The utility model relates to the field of cable protection device production and manufacturing, and discloses a cable protection device for building electrical engineering, which comprises an upper clamping block, a cavity is arranged in the upper clamping block, a pressing plate is slidably connected in the cavity, the front end and the rear end of the two side edges of the pressing plate are fixedly connected with extension plates, and the extension plates are fixedly connected with the upper clamping block. A plurality of uniformly distributed connecting rods are arranged at the bottom end of the pressing plate, lower pressing grooves are formed in the bottom ends of the connecting rods, threaded rods are connected to the two sides of the upper clamping block through connecting blocks, a lower clamping block is arranged at the lower end of the upper clamping block, fixing blocks are arranged on the two sides of the lower clamping block, and a plurality of uniformly distributed cable grooves are formed in t