A gas-scan linked borehole cleaning device

By using an air-sweeping linkage-type borehole cleaning device, which combines high-pressure airflow and mechanical sweeping, and utilizes an elastic membrane that unfolds and adheres to the borehole wall under air pressure, the problem of incomplete borehole cleaning in existing technologies is solved, achieving efficient and safe cleaning results.

CN122169734APending Publication Date: 2026-06-09KUNMING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KUNMING UNIV OF SCI & TECH
Filing Date
2026-04-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing technologies are insufficient for efficiently and thoroughly cleaning rock powder, debris, and blockages in boreholes under complex working conditions, especially large pieces of rock in large-diameter or deep boreholes. Traditional methods are inefficient, labor-intensive, and pose safety risks.

Method used

The air-sweeping linkage borehole cleaning device combines the dual effects of high-pressure airflow and mechanical sweeping. It utilizes an elastic membrane that unfolds and adheres to the borehole wall under air pressure, and works in conjunction with the nozzle and mechanical structure to achieve simultaneous cleaning of debris inside the borehole.

Benefits of technology

It enables the one-time cleaning of debris and adhering materials inside the borehole, avoiding residues and providing a clean environment for subsequent blasting charges, thus improving cleaning efficiency and safety.

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Abstract

This invention discloses a pneumatic sweeping linkage-type borehole cleaning device, belonging to the field of mining blasting construction technology. It includes a traveling vehicle body, a multi-link structure, and a cleaning structure. The cleaning structure utilizes a high-pressure air pump, a nozzle moving assembly, and a pneumatic cleaning assembly working in tandem. An elastic membrane expands under pneumatic pressure to form a barrier, and the airflow from the side pipe acts synchronously with the elastic membrane to sweep and guide debris. This device can adapt to the inner walls of boreholes of different diameters, completing thorough cleaning of debris at the bottom of the hole in a single operation, effectively solving the problems of incomplete cleaning and low efficiency associated with traditional methods. Its main purpose is to ensure the cleanliness of blasting boreholes, improve the borehole formation rate, and enhance blasting safety.
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