A device for embedding a borehole pressure meter in a borehole
By designing an in-tunnel borehole piezometer installation device, and adopting a porous structure and expandable fixing components, the problem of installing and monitoring piezometers in in-tunnel boreholes was solved, achieving reliable piezometer fixing and stable monitoring results.
CN224550094UActive Publication Date: 2026-07-24CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION +2
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Existing technologies cannot effectively solve the problem of placing and testing piezometers in upward-sloping boreholes (inverted boreholes) inside tunnels.
Method used
An in-cavity borehole piezometer installation device was designed, including a filter protection component, an expandable fixing component, and a connecting adjustment component. Through the combination of the porous structure and the expandable fixing component, reliable installation and stable monitoring of the piezometer can be achieved.
Benefits of technology
This technology enables reliable installation of piezometers in borehole environments, ensuring the stability and accuracy of monitoring data, reducing operational difficulty, and extending equipment lifespan.
✦ Generated by Eureka AI based on patent content.
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Figure CN224550094U_ABST
Abstract
The utility model relates to a kind of hole inside upward hole osmotic pressure gauge burying device, including the filter protection component, expandable fixed component, connection adjusting piece and detachable conveying rod connected in turn.Filter protection component contains double-layer porous sleeve: inner sleeve contains osmotic pressure gauge and fills filter medium, and outer sleeve is filled with support filter material between inner sleeve;Expandable fixed component includes elastic sealing member, reset member and support framework, and framework is provided with wire shaft direction passage and connection structure;One end of connection adjusting piece cooperates framework connection structure, and the other end is provided with transmission cooperation part;Conveying rod one end is provided with matching drive part, and the other end is provided with extension connection structure.The utility model realizes upward hole stable placement by expandable fixed component, double-layer sleeve inverse filtration structure prevents silting up and protects osmotic pressure gauge, and detachable design supports repair and reuse, adapts to deep hole and short-term / long-term monitoring demand, and provides reliable technical means for underground engineering osmotic pressure monitoring.
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