BALANCING DRIVE FOR INSTALLATION OF SUCKER-ROD PUMP UNITS Russian patent published in 2019 - IPC F04B47/02 

FIELD: mining.

SUBSTANCE: invention relates to equipment for automation of processes of operation and maintenance of ground-based drive of sucker-rod pump unit (SRPU) during current and overhaul of well. Drive comprises frame, post with ladder, rocker with crossbar mounted on hinged support, connecting rods, bell cranks with counterweights connected with output shaft of reduction gearbox, input shaft of which is connected by means of belt transmission to motor shaft. Balance beam arm on the side of its head is made in the form of a telescopic structure consisting of a longitudinal movable and a longitudinal fixed part. Movable part of the balance beam on the side of the string suspension in the well consists of a head rigidly connected to the first and the second sliding guide sections, and is equipped with lateral reinforcing elements. On the first sliding guide section a multi-section rack is fixed, equipped with end sensors, which is engaged with gear installed on the output shaft of reversible reduction motor, fixed on the upper side of the longitudinal fixed part of the balance beam arm from the side of suspension of the rod string on the platform with provision of displacement of the reversible motor in engagement side of gear with multi-section rack.

EFFECT: automation of the process of preparation of balancing drive of sucker-rod pump unit to current and capital repair works.

6 cl, 5 dwg