Assembly connecting structure of steel sheet pile and inner support

The utility model relates to an assembling and connecting structure of a steel sheet pile and an inner support. The method is suitable for steel sheet pile construction. According to the technical scheme, the assembling and connecting structure of the steel sheet pile and the inner support is used for connecting the end of the inner support with the steel sheet pile, and is characterized in that the steel sheet pile and the inner support are connected through a detachable fixing piece. The fixing piece is provided with a fixing piece upper structure and a fixing piece lower structure, a mounting through hole I is formed in the fixing piece upper structure, and a mounting through hole II is formed in the fixing piece lower structure; the fixing part upper structure and the fixing part lower structure completely wrap the end of the inner support after being spliced and are fixedly connected through bolts penetrating through the mounting through holes I and the mounting through holes II and nuts in a matched mod