Be used for measuring oil gas well and device of beam -pumping unit duty parameter thereof

The utility model provides a be used for measuring oil gas well and device of beam -pumping unit duty parameter thereof, including top dead center proximity switch, bottom dead centre proximity switch, master control set and encoder, top dead center proximity switch and bottom dead centre proximity switch all are through bracket component, the top of installing walking beam in the beam -pumping unit to be arranged in the lower extreme of beam -pumping unit polished rod, top dead center proximity switch and bottom dead centre proximity switch are connected with master control set, master control set respectively with encoder and beam -pumping unit in the motor be connected. The utility model has the advantages of simple structure, make and install easily, be convenient for survey in real time get the beam -pumping unit creation data, but the upstroke and the down stroke of automatic?identification beam -pumping unit operation in -process for calculating down stroke electric current extreme value, differentiati