A borehole surveying borehole mouth protector

CN224317056UActive Publication Date: 2026-06-02SINOHYDRO BUREAU 8 CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SINOHYDRO BUREAU 8 CO LTD
Filing Date
2025-08-05
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The existing movable inclinometer device with auxiliary lowering at the inclinometer borehole opening is inconvenient for centering and has requirements on the distance of the inclinometer tube protruding from the ground. After long-term use, the fixed pulley gets stuck, affecting the lowering of the cable.

Method used

A protective device for the opening of a clinometer hole was designed, including an opening connection device, a guide groove and a pad. The midpoint of the bottom edge of the guide groove passes through the axis of the opening. The pad is arranged on the bottom edge and around the guide groove. The pad is made of TPU material and is replaceable. It is used to protect the clinometer instrument and realize automatic centering.

Benefits of technology

It enables automatic centering of the inclinometer, protects the instrument from damage, reduces labor, and improves the wear resistance and service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of hole orifice protection devices of measuring inclination, it includes orifice connecting device, the orifice connecting device includes with the body of orifice connection, the body is provided with the guide groove for the probe of surveying inclinometer and cable lowering, the midpoint of the bottom edge of the guide groove passes through the axis of the orifice, and the guide groove bottom edge and periphery on the body are arranged for placing the mat layer of surveying inclinometer.The utility model can be used as orifice protection device, and automatic centering can be realized when surveying inclinometer probe and cable lowering.
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