Crosshead bushing systems and methods

A method, comprising:

• aligning a plurality of structural members generally parallel with each other;
• permanently joining a plurality of pairs of support plates to respective pairs of the plurality of structural members;
• securing a plurality of pairs of arcuate crosshead guide sections to respective pairs of the plurality of structural members against a respective pair of support plates of the plurality of pairs of support plates, wherein each pair of arcuate crosshead guide sections of the plurality of pairs of arcuate crosshead guide sections at least partially defines a respective crosshead bore, and wherein each pair of arcuate crosshead guide sections is secured in place using clamping segments secured to interior peripheral edges of windows of a respective pair of the plurality of structural members by bolts extending through interior passages of the clamping segments and having threads configured to mate with threaded holes extending into the interior peripheral edges of the windows of the respective pair of the plurality of structural members;
• connecting a connecting plate to axial ends of the plurality of structural members;
• and
• profiling interior surfaces of each pair of arcuate crosshead guide sections of the plurality of pairs of arcuate crosshead guide sections with an end mill introduced into the respective crosshead bore defined by the pair of arcuate crosshead guide sections, wherein the end mill comprises a cutting radius substantially smaller than an interior radius of the respective crosshead bore defined by the pair of arcuate crosshead guide sections.

A reciprocating pump, comprising:

• a fluid section comprising a plurality of fluid-displacing members, wherein each fluid-displacing member of the plurality of fluid-displacing members is configured to displace fluid through the reciprocating pump, and wherein each fluid-displacing member of the plurality of fluid-displacing members is coupled to a respective connecting rod;
• and
• a power section comprising a plurality of crossheads, wherein each crosshead of the plurality of crossheads is coupled to a respective connecting rod, and wherein the power section is configured to actuate the fluid section by actuating the plurality of crossheads through respective crosshead bores formed through the power section, wherein the power section comprises:
• a plurality of structural members, wherein the plurality of structural members are aligned generally parallel with each other perpendicular to a central axis of a crankshaft of the reciprocating pump, and wherein the crankshaft extends through the plurality of structural members;
• a plurality of pairs of support plates, each pair of support plates of the plurality of pairs of support plates permanently joined to two structural members of the plurality of structural members, wherein each support plate of the plurality of pairs of support plates comprises an interior surface;
• a plurality of pairs of arcuate crosshead guide sections secured to respective pairs of the plurality of structural members against a respective pair of support plates of the plurality of pairs of support plates by t-shaped clamping segments having tapered surfaces extending outwardly from a main body portion, wherein the tapered surfaces of the clamping segments abut edges of the arcuate crosshead guide sections, and wherein each pair of arcuate crosshead guide sections of the plurality of pairs of arcuate crosshead guide sections comprises a top arcuate crosshead guide section and a bottom arcuate crosshead guide section configured to form a portion of a respective crosshead bore;
• and
• a connecting plate disposed at an axial end of the plurality of structural members that connects the plurality of structural members to each other.