SUCKER ROD PUMP DRIVE Russian patent published in 2017 - IPC F04B47/02 

FIELD: engines and pumps.

SUBSTANCE: drive comprises a base with a stand and swing mechanism which includes a sway-beam with swinged horseheadand a traverse beam. Horsehead steering mechanism comprises a front inlet of the worm-reduction gear shaft, horsehead fixating in the operating position device with fixing bolts and locking nuts on them. The sway-beam fixating device comprises a coupler of adjustable length, as well as an automatic drive protection system. The front inlet of the worm-reduction gear shaft and fixing bolt heads are kinematically connected to the drive transfer box fixed at the sway-beam with a steering column, a steering wheel and turn a box-couplings engaging levers on it. Locking element of the fixing bolts is fitted in the drive transfer box. Adjustable coupler length of the sway-beam fixating device is made integral. Kinematical connection from the worm-reduction gear to the drive transfer box is made via attachable transient reducing gear and universalarticulated double coupling. Kinematical connection from the drive transfer box to the fixing bolts is made via articulated double coupling, attachable reducing gear with torque flow division into two flows. Attachable reducing gear and attachable casings with couplings are fitted at the additional bracket fixed on the sway-beam.

EFFECT: improved comfort, reliability and safety of operation.

4 cl, 10 dwg