Method, device and equipment for reducing helium consumption of laser welding machine and working trolley

The invention relates to the technical field of laser welding machines, and discloses a method, device and equipment for reducing helium consumption of a laser welding machine and a working trolley. The method comprises the steps that after a to-be-welded instruction is received, a movable welding work trolley is controlled to move in the set direction at the set speed; when the strip steel edge detection photoelectric switch detects the to-be-welded strip steel, the movable welding work trolley is controlled to stop walking, and the to-be-welded strip steel is subjected to butt joint treatment; the movable welding work trolley is controlled to move at the set welding speed; if a purging instruction is received in the moving process, a helium purging device is controlled to purge the to-be-welded position of the to-be-welded strip steel; and the traveling distance of the movable welding work trolley moving at the set welding speed is obtained, and if the traveling distance reaches a set distance threshold val