WALKING BEAM DOLLY OF DRILLING RIG FOR ON-LAND CLUSTER DRILLING

摘要

Use: as a trolley equalizer transport base rig ground cluster drilling. SUMMARY OF THE INVENTION: trolley includes an arm on which is mounted through the axis of the balancer with a pair of non-driven wheels, the axes of which are located in bearing assemblies, each of which is formed as a rigidly associated with a balancer housing and the cover, the bore in which the sleeve is installed through the wheel axle. 1 z.p.f BACKGROUND yl 3.