In-hole double-antenna sound wave detector for PE pipeline detection

Abstract

The invention belongs to the technical field of pipeline detection equipment, and discloses an in-hole double-antenna sound wave detector for PE pipeline detection, which comprises a tool box, a signal transmitting device and a signal receiving device, the right end of the tool box is provided with a storage groove, and the middle part of the bottom of the signal receiving device is fixedly provided with a lower annular plate; an inserting groove is formed in the upper end of the lower annular plate, and an inserting block is movably connected into the inserting groove. The cable, the receiver, the upper annular plate and other structures are matched to achieve the advantage of strong received signals, the upper annular plate and the lower annular plate at the bottom of the signal receiving device are connected and matched, and the upper annular plate and the lower annular plate are of a fan-shaped structure, so that the contact surface is increased, the caliber value of the outer side is maximum, more signals are received, and the signal receiving effect is improved. The higher the receiving quality is, the feed source device in the receiver can gather and collect the received weak signals, so that the purpose of receiving strong signals can be achieved.

Description

technical field [0001] The invention belongs to the technical field of pipeline detection equipment, in particular to a dual-antenna acoustic wave detector in a hole used for PE pipeline detection. Background technique [0002] PE is polyethylene, and PE pipes can be used as water pipelines and gas pipelines, etc. It is a thermoplastic resin with high crystallinity and non-polarity, with good corrosion resistance, and can be used as underground pre-buried pipes; during construction, Because the workers cannot know the pre-buried depth of the PE pipeline, the pipeline will be cut and the loss caused is immeasurable. Therefore, before construction, the workers need to detect the pre-buried depth of the PE pipeline; for the convenience of detection, because the PE pipeline is pre-buried It will be pre-buried into the soil together with the tracer line, so the staff can use the transmitter of the dual-antenna sound wave detector in the hole to emit a sound wave signal of a speci...

AI Technical Summary

Problems solved by technology

[0005] In addition, when using the receiving device to receive the sent signals, most of them walk back and forth holding the receiving device and record the values ​​displayed on the receiving device many times. Since the explorer holds the receiving device in one hand, the other hand cannot flexibly Take a pen to record, so usually a special recorder is assigned, which is a waste of human resources

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