FIELD: mining; controlling.
SUBSTANCE: invention relates to devices for monitoring production wells. Device includes a position sensor, a power supply and a signal recording unit connected to the position sensor. Position sensor is made in the form of a sealed current-conducting hollow housing with a bottom, made with possibility of being fixed on the rocker arm, filled with non-freezing liquid and covered with a current-conducting plug isolated from the housing with a dielectric sleeve. Inside the housing there is a load in a dielectric shell connected by a current-conducting tension spring to the plug and made with possibility of interaction with the bottom of the housing in the lower or upper dead point of the balance beam. Signal recording unit is made in the form of a light source electrically connecting the bottom of the housing to the plug through a series-installed source of electric power.
EFFECT: creation of a structure that is simple and reliable to manufacture and maintain with possibility of remote visual control of pumping unit operation.
3 cl, 1 dwg
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