Dynamic load sensor for polish rod

The utility model provides an oil pumping unit feed rod loading sensor, which consists of a U-shaped beam, a straining measuring circuit, a signal interface and a clamping bolt, wherein, the straining measuring circuit is arranged inside the U-shaped beam, and the transmission of the signal is reali...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIU MINGJUN, XIA CHENGYU, WANG ZUOSONG, YUAN YIDE, CUI FENGGUANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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