Well head pumping device

The utility model relates to a natural gas and oil development field, especially a well head pumping device. Including pump head, drinking -water pipe, check valve, water storage tank, inlet tube, water intaking valve, blast pipe, discharge valve, filter, motor pump, drain pipe and drain valve, pump head, water storage tank respectively with the both ends of drinking -water pipe intercommunication, the check valve setting is on the drinking -water pipe, inlet tube, blast pipe and drain pipe communicate with the water storage tank respectively, the water intaking valve sets up on the inlet tube, and discharge valve sets up on the blast pipe, and the motor pump sets up on the drain pipe, and the filter setting is on the drain pipe, and the filter is located between motor pump and the water storage tank, and the motor pump sets up beyond well head flow operation area. The beneficial effects of the utility model are that: make pump head and the separation of motor pump through setting up the water storage tank, t