Longitudinal beam positioning and clamping device for welding of auxiliary frame of mixer truck

A longitudinal beam positioning and clamping device for welding of an auxiliary frame of a mixer truck comprises a base, a limiting block is arranged at one end of the base, and a horizontal clamping assembly used for being matched with the limiting block to horizontally position a longitudinal beam is arranged at the other end, opposite to the limiting block, of the base. A vertical clamping assembly used for being matched with the base to vertically position the longitudinal beam is arranged on the horizontal clamping assembly. The positioning and clamping device can be shared by workpieces of different sizes, the number of the positioning and clamping device is greatly reduced, resource waste is reduced, finally, the production efficiency can be improved, and the production cost is reduced. 一种搅拌车副车架焊接用纵梁定位夹紧装置，包括基座，在基座的一端设置有限位块，在基座上与限位块相对的另一端设置有用于与限位块配合对纵梁进行水平定位的水平夹紧组件；在水平夹紧组件上设置有用于与基座配合对纵梁进行竖直定位的竖直夹紧组件。可以实现不同尺寸工件的共用，大大减少了定位夹紧装置的数量，降低了资源的浪费，最终可提高生产效率，降低生产成本。