Tool vehicle for mounting vehicle door

The utility model relates to a tooling car used for installing a car door, when the tooling car used for installing the car door is used for installing the car door, a car body main checking fixture is installed on a main tooling car, the car door is installed on a car door cart, and then the car door cart is pushed from the car door side of the main tooling car to the main tooling car. A guide roller at the front end of a cross beam on the car door cart is inserted into a guide rail groove in the bottom of the main tool car to preliminarily guide the car door cart, one guide pin on the car door cart is inserted into a positioning hole in the main tool car, and the other guide pin on the car door cart is inserted into a kidney-shaped hole in the main tool car. And then the vehicle door cart is pushed and pressed in place, so that the vehicle door cart and the main tool vehicle are positioned and matched. The positioning installation of the vehicle door on the vehicle door cart is designed according to the pos