Rear protection device and vehicle

The utility model relates to the technical field of vehicles, and provides a rear protection device and a vehicle, the rear protection device comprises a connecting frame and a cross beam assembly, the first end of the connecting frame is used for being connected with a vehicle body; the beam assembly comprises a main beam and a branch beam, the second end of the connecting frame is connected with the main beam, at least one end of the main beam is connected with the branch beam, and the branch beam is movably connected with the main beam so as to adjust the length of the beam assembly. The length of the beam component can be adjusted, so that the field adaptability is improved, and the beam component has the characteristics of simple structure, convenience in use, high reliability and the like. 本实用新型涉及车辆技术领域，提供一种后防护装置及车辆，后防护装置包括：连接架和横梁组件，连接架的第一端用于连接车体；横梁组件包括主梁和支梁，连接架的第二端与主梁相连，主梁的至少一端连接有支梁，支梁与主梁活动连接，以调节横梁组件的长度。本实用新型可以实现横梁组件的长度调节，从而提高场地适应性，并且具有结构简单、使用便捷、可靠性高等特点。