Supporting beam and protective device with same

The supporting beam comprises a beam body, the beam body is provided with a hook, the hook comprises a connecting section, a bent section and an inclined section which are connected in sequence, the connecting section is fixedly connected with the beam body, and the bent section is arranged in a bent mode in the direction of the beam body. The inclined section is arranged on the side, in the thickness direction, of the connecting section and located on the side, close to the beam body, of the bent section, and the inclined section is obliquely arranged in the direction away from the connecting section. According to the supporting beam and the protection device with the supporting beam, the supporting beam is provided with the hook, the hook comprises the connecting section, the bent section and the inclined section which are sequentially connected, and a safety net is sequentially hung to the bent section through the inclined section so that the safety net can be hung to the hook; the safety net and the suppo