Device for be used for template squareness measurement

The utility model discloses a device for be used for template squareness measurement, including the bracing piece, the bracing piece is extending structure, upper end of the support bar is provided with the xarm, and bracing piece and xarm articulate and articulated department is provided with the locking structure that enables bracing piece and xarm constitution T font, the xarm is provided with the plumb line box, and the plumb line box is provided with the plumb line and enables the automatic return extension spring of withdrawing of plumb line, the wired weight of plumb line end connection, xarm one end and template contact, one section of xarm and template contact sets up to extending structure, and the other end of xarm is provided with and is used for making the spacing ring in plumb line vertical section upper end according to the above technical scheme, the beneficial effects of the utility model comprises: , simple structure, reasonable in design, survey crew need not climb up and climb down, safe and reliable, and labour saving and time saving increases work efficiency in addition