A detection line extracting device of an underground pipe network

Abstract

The invention provides a detection line extracting device for an underground pipe network, which comprises a base and a face cover which is covered on the base, A surface cover hole is arranged on that surface cover and used for conveniently opening the surface cover; the base includes an upper wall of the base, a lower wall of that base and a stiffening skirt arranged between the upper wall of the base and the lower wall of the base and arranged along an outer circumferential direction of the base; The base is provided with an opening, a cover structure is arranged between the surface cover and the base to cover the opening, and a terminal is arranged at the bottom of the surface cover for connecting the underground detection wire and the sacrificial anode wire. The device can be used asa probe well alone, and can be combined with a common mark pile, which is low in manufacturing cost and convenient for detecting, and is also very suitable for extracting and using the detecting linehead of the underground pipe network, and can provide sufficient detecting line head to satisfy the detecting, at the same time, the pipeline demarcation is clear, and construction accidents are reduced.

Description

【Technical field】 [0001] The invention relates to the technical field of underground pipe network detection, in particular to a detection line lead-out device for an underground pipe network. 【Background technique】 [0002] In recent years, due to the advantages of convenient construction, less pollution to transported substances, and low engineering cost, plastic pipes have been widely used in domestic underground pipe network construction, especially in pipelines for transporting gas and tap water. Because of the non-conductive, non-magnetic, and lower strength of plastic pipes than metal pipes, in order to detect and protect the buried pipe network, the detection line is embedded on the pipe when laying the pipe, and the electromagnetic field is generated by the conductivity of the detection line. features to detect the pipe position. However, these cables have been buried in the ground, and how to lead them from the ground to the ground to apply electrical signals for d...

AI Technical Summary

Problems solved by technology

However, only at the expense of the thread end operation and detection function of the anode, the economical method of using special detection piles is also too expensive. Secondly, the special detection piles can only meet the conditions of soft ground pavement, and construction on cement pavement cannot be realized.

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