Railway tank car tank body with protective device and railway tank car

The utility model discloses a railway tank car tank body with a protection device and a railway tank car, and aims to solve the problem that the safety protection of the tank body is insufficient due to the fact that the railway tank car tank body is easy to damage in the transportation process. The protection device specifically comprises two protection end socket units, a top protection unit and a bottom protection unit. The protective sealing head unit comprises a sealing cover; one end of the sealing cover covers the outer wall of one end of the tank body, and the other end is a curved surface; a gap is formed between the sealing cover and the tank body; a first notch is formed in the sealing cover; the top protection unit comprises a manhole neck, a manhole large cover and a first protection cover which are sequentially arranged from bottom to top; all components such as the safety valve group are arranged on the large manhole cover and are positioned in the first protective cover; a discharge gap is for