Elevator car roof wheel structure and car

The utility model relates to the technical field of elevators, and particularly discloses an elevator car roof wheel structure. The car roof wheel structure comprises a first beam body and a second beam body which are oppositely arranged, a first through hole is formed in the side face of the first beam body, a second through hole is formed in the side face of the second beam body, and the first through hole and the second through hole are coaxially arranged. Connecting plates are arranged at the bottoms of the first beam body and the second beam body, one ends of the connecting plates are connected with the first beam body, and the other ends of the connecting plates are connected with the second beam body. A car top wheel is arranged between the first beam body and the second beam body and comprises a shaft body and a wheel body, one end of the shaft body is arranged in the first through hole, and the other end of the shaft body is arranged in the second through hole. The two ends of the shaft body are inst