Petroleum and natural gas pipeline anti-freezing device

The utility model discloses a petroleum and natural gas pipeline anti-freezing device which comprises a pipeline body, anti-freezing plates are arranged on the two sides of the pipeline body, connecting blocks are fixedly connected to one sides of the two anti-freezing plates, cavities are formed in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LI ZHIDAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a petroleum and natural gas pipeline anti-freezing device which comprises a pipeline body, anti-freezing plates are arranged on the two sides of the pipeline body, connecting blocks are fixedly connected to one sides of the two anti-freezing plates, cavities are formed in the top ends of the two connecting blocks, and four clamping blocks are sequentially connected to the two sides of the interior of each cavity in a sliding mode. Two springs are arranged among the four clamping blocks, fixing blocks are arranged at the tops of the two connecting blocks, grooves are formed in the middles of the two fixing blocks, the two fixing blocks are connected with the two connecting blocks in a clamped mode through the two grooves, connecting rods are fixedly connected to one sides of the two fixing blocks, a fixing plate is fixedly connected to the top of one connecting rod, and the fixing plate is fixedly connected to the top of the other connecting rod. The top of the other connecting rod