Connecting rod assembly with high bearing capacity and bearing strength and single-action reciprocating pump applying connecting rod assembly

The utility model discloses a connecting rod assembly with high bearing capacity and bearing strength and a single-action reciprocating pump applying the connecting rod assembly, and aims to solve the problem that the single-action reciprocating pump with high pressure, large discharge capacity and long construction operation time is lack of related connecting rod assemblies. The connecting rod assembly comprises a connecting rod cover, a connecting rod lower tile, a connecting rod upper tile, a connecting rod, a crosshead and a crosshead sleeve, the connecting rod lower tile is installed on the connecting rod cover and positioned through a pin, the connecting rod upper tile is installed on the connecting rod, the connecting rod cover and the connecting rod are installed on the crankshaft, and a small end of the connecting rod and the crosshead are combined together through a connecting rod lining and a transverse pin. An adaptive crosshead sleeve is arranged in the small-end arc surface of the connecting rod