Equipment for detecting thermal insulation performance of doors and windows

The door and window thermal insulation performance detection equipment comprises a base, a hot box and a cold box, the hot box and the cold box are arranged on the base, and the base is provided with a two-way air cylinder which can drive the hot box and the cold box to move oppositely and clamp a door and window body; a feeding belt is arranged on one side of the base, and supporting rods for pushing the door and window body are rotationally arranged on the feeding belt at intervals. The end, close to the two-way air cylinder, of the feeding belt is provided with a first direction changing plate capable of changing the door and window body in the flat state into the door and window body in the vertical state. A first rail stretching across the upper portion of the middle of the overheating box and the upper portion of the middle of the cooling box is arranged above the first turning plate, and a fixing frame is arranged in the first rail in a sliding mode. A guide device for guiding the door and window body