Automatic staircase handrail lag

The utility model relates to an automatic staircase handrail lag, including the lag body, the shape of lag body and the arc adaptation in automatic escalator import department handrail area, lag body cross sectional shape is the shelly of T font, and the cavity in the T font upper portion is handrail area chamber, and it is very little that handrail area chamber size is greater than the handrail tape measure, cavity in the T font lower part is the support chamber, and the lower extreme that lag body cross -section is located the T font is provided with the opening, and handrail area chamber, support chamber and opening communicate in proper order, and the both sides that the lag body is located the support chamber are provided with microscler hole respectively, still are used for fixing the bolt in handrail area support side with the lag body including passing microscler hole. This automatic staircase handrail lag can install and enclose at automatic escalator or moving walk's entrance handrail outband, plays