Protection pipe joint for coal mine signal line

The utility model discloses a protective pipe joint for a coal mine signal line, which comprises a first joint used for being sleeved with a connecting end of a protective pipe, and an insulating layer is attached to the surface of the first joint. And one end of the second joint is sleeved and matc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU LI, HOU GUANQUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES INSULATORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Beschreibung
Zusammenfassung:	The utility model discloses a protective pipe joint for a coal mine signal line, which comprises a first joint used for being sleeved with a connecting end of a protective pipe, and an insulating layer is attached to the surface of the first joint. And one end of the second joint is sleeved and matched with the first joint, the other end is sleeved with the connecting end of an adjacent protection tube, and an insulating layer is attached to the surface of the second joint. When two adjacent protection pipes are connected, the first connector is connected with the connecting end of one protection pipe in a sleeved mode, then the second connector is connected with the connecting end of the other protection pipe in a sleeved mode, and finally the first connector is connected with the second connector in a sleeved mode, so that connection of the two adjacent protection pipes is completed. Connection of two adjacent protection pipes can be rapidly completed, the contact area at the joint is large, connection is t