Probe of preventing wind of hourglass appearance is listened to pipeline

The utility model discloses a probe of preventing wind of hourglass appearance is listened to pipeline, including the handle, connecting rod and the wind cap that connect gradually from the top down, the sensor is installed in the wind cap, through the wire connection pipeline tin hourglass appearance host computer that runs through the wind cap, be equipped with the cavity in the connecting rod, intercommunication cavity, lower extreme extend to the gas circuit of wind cap bottom on being equipped with in the wind cap, be equipped with the manual aspiration pump of intercommunication cavity on the handle. The utility model discloses a gas circuit formation negative pressure that manual aspiration pump was bled and is made the intercommunication cavity, the wind cap is inhaled and is difficult for on the road surface empting, and it is hand need not to survey personnel, not only reduces intensity of labour but also avoid diverting attention and make mistakes. 本实用新型公开了种管线听漏仪的防风探头，包括从上向下依次连接的手柄、连杆和防风罩，传感器安装于防风罩