Track-type window cleaners need to design equipment of different structural types according to the height, elevation and roof structure of the building, and space conditions. It is necessary to consider its safety, economy, practicality and convenience, and also take into account the installation of the window cleaner It can be coordinated with the building without affecting the beauty of the building, so it is a high-altitude manned equipment closely related to architectural design and construction. Product features: The track is arranged along the roof of the building, and the equipment can walk freely along the track to complete operations on different facades. 2. It has the characteristics of stable walking, accurate positioning, convenient use and high degree of automation. Scope of application: It is widely used in buildings with relatively regular roof structure, sufficient space passage on the roof and roof with a certain load-bearing capacity.