Prefabricated earthwork excavation support structure

Through innovative design of support plates, crossbeams, clamps, embedded columns, and locking components, the problem of existing prefabricated earthwork excavation support structures being unable to flexibly adapt to width and height has been solved, achieving rapid adjustment and stable connection, and improving construction efficiency and safety.

CN224378905UActive Publication Date: 2026-06-19SUZHOU CONSTR ENG GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU CONSTR ENG GRP CO LTD
Filing Date
2025-09-19
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing prefabricated earthwork excavation support structures cannot flexibly adapt to excavation operations of different widths and cannot expand the range of support heights, resulting in poor construction continuity, increased component customization costs and time consumption, and affecting work efficiency and safety.

Method used

The design incorporates support plates, crossbeams, clamps, embedded columns, connecting pipes, sleeves, and locking components. The adjustable connection method allows for rapid adjustment of the support spacing and height, while the multiple fixing methods using bolts, screws, and locking components ensure structural stability and bending resistance.

Benefits of technology

It enables the support structure to be quickly adapted to different width and height requirements, reduces the cost of component customization, improves construction continuity and safety, simplifies the installation process, reduces component waste, and improves overall work efficiency.

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  • Figure CN224378905U_ABST
    Figure CN224378905U_ABST
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Abstract

The utility model relates to the technical field of support structure, and disclose assembly type earthwork excavation support structure, including two support plates, the inner wall symmetry of two support plates has the crossbeam fixedly, two clamping blocks are fixed in the crossbeam, two inlay columns are fixed in the side wall of two clamping blocks, the connecting pipe is installed in inlay column end side, the sleeve is sleeved on the outer ring of connecting pipe, locking assembly is installed on the sleeve, extension support subassembly is installed on the support plate. The utility model can change according to the width of earthwork excavation, quickly adjust self support spacing, can be flexibly adapted to the excavation operation of different width size, reduces the scene limitation because of spacing fixed, improves the adaptation efficiency of different excavation width scene, and can improve the support height, can expand the support range with the dynamic increase of earthwork excavation depth, avoids temporary shutdown adjustment because of insufficient height, guarantees the continuous advance of excavation operation, improves construction coherence.
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