New type pile-driving equipment sink pipe with exact orientation

The utility model discloses building foundation construction equipment, in particular an immersed pipe for pile driving equipment used for building foundation construction. The utility model is formed by a hollow pipe shaped pipe body (1) and a bottom, wherein, locating grooves (9) matched with locating iron feet of earth excavating equipment are arranged inside the bottom, the section of the pipe body (1) is of a circle, the pipe body (1) has a multi-section type structure, the sections are riveted through rivets. Compared with the prior art, the utility model reduces the production cost, simplifies the production process, assures the proportion relation between the pipe body and the inner diameter of the bottom, allows the locating grooves to have adequate depth, ensures that the locating iron feet on the earth excavating equipment are easy to enter the grooves, has accurate location, and is firm and reliable, thereby improving the concentricity of the pile body and the base and ensuring that the single pil