Combined fireproof groove type bridge convenient to splice

The utility model relates to the technical field of cable bridges, and discloses a combined fireproof groove type bridge convenient to splice, which comprises a bridge body, a motor fixedly connected in a breathable insulating frame, a threaded rod fixedly connected at the upper part of the motor, a sliding rod fixedly connected at the outer side of a moving block, and a buffer spring fixedly connected in a buffer frame. A fireproof layer is arranged at the bottom of the upper arc-shaped plate, a temperature detector is fixedly connected to the inner wall of the bridge body, limiting springs are arranged in the limiting grooves, and a storage frame is slidably connected into the placing frame. According to the combined fireproof groove type bridge convenient to splice, a motor drives a threaded rod to rotate, so that a buffer frame moves, a buffer rod drives an upper arc-shaped plate to move downwards, through arrangement of a limiting spring and a buffer spring, the interior of a storage frame can be filled