Broken stone dismounting and taking device for historic building repair

By designing a broken stone removal device with a rotatable top handle and a removable protective plate, the problems of uncomfortable and uncontrollable operation of drilling machines have been solved, and convenient and safe angle adjustment and drill bit adaptability have been achieved, thus improving the efficiency of ancient building restoration.

CN223532726UActive Publication Date: 2025-11-11SUZHOU ZHONGXUAN ANCIENT GARDEN ENG CO LTD
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Patent Information

Application Number
CN202422103974.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-11-11
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

When using a drilling machine, the operator needs to grip the handle tightly to adjust the angle, which makes operation uncomfortable, easy to lose control, and lacks stability.

Method used

A device for removing damaged stone materials in the restoration of ancient buildings has been designed. It features a rotatable top handle and a removable protective plate. The angle can be adjusted by pressing a button, and the use of a stainless steel spring and a fixing block allows for convenient and safe angle adjustment. Different types of drill bits can also be replaced.

Benefits of technology

It enables convenient adjustment of the operating angle without letting go, improving operating comfort and safety, reducing the risk of drilling machine loss of control, and adapting to different building shapes.

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Abstract

The damaged stone dismounting device comprises a main machine body, clamping grooves are formed in the positions, located on the left side and the right side of the upper portion, of the front end of the main machine body, and a protection plate is installed at the position, located on the inner side of the front end, of the main machine body through the clamping grooves; the protective plate is connected with the main machine body in a clamped mode through an elastic buckle at the rear end, the main machine body dismantles the ancient building through a drill bit at the lower end, a handle at the top of the device can rotate to adapt to the working angle, an operator does not need to loosen the hand to conduct adjustment, a pressing button is pressed during adjustment, and the operation is convenient. The stainless steel spring is compressed through pressing of the pressing button, meanwhile, the fixing block is separated from the limiting hole, the connecting rod can rotate along the sliding groove, the pressing button is loosened after the pressing button is adjusted to a proper angle, the stainless steel spring releases the elastic force, the fixing block is clamped into the inner position of the limiting hole again, and therefore adjustment is convenient and safe.
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