Transport vehicle for tunnel excavation construction

The utility model provides a transport vehicle for tunnel excavation construction, which belongs to the technical field of tunnel transportation and comprises a vehicle body for bearing construction equipment, an upper cover is slidably connected to the top of the vehicle body, a buffer plate is arranged on the surface, far away from the vehicle body, of the upper cover, a movable groove is formed in the surface of the upper cover, and the movable groove is communicated with the upper cover. The buffer plate is connected with the upper cover through at least one set of buffer mechanism, the buffer mechanism comprises a sliding rod arranged in the movable groove, a sliding block arranged on the sliding rod in a sliding mode and a reset spring arranged on one side of the sliding block and arranged on the sliding rod in a sleeving mode, and when the buffer plate moves towards the upper cover, the reset spring is arranged on the sliding rod in a sliding mode. The sliding block slides on the sliding rod to extrude