Demolition support device and demolition method

JP2026101536APending Publication Date: 2026-06-22KAJIMA CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
KAJIMA CORP
Filing Date
2024-12-10
Publication Date
2026-06-22

AI Technical Summary

Technical Problem

Existing demolition methods, such as those using mobile cranes, are inadequate for demolishing wide buildings under spatial constraints, particularly when adjacent to other structures.

Method used

A demolition assistance device comprising a main frame with a movable crane mechanism, slide rails, and hoists, allowing for efficient demolition within spatially constrained areas by integrating a work stage and scaffolding for controlled material transport and removal.

Benefits of technology

Enables efficient demolition of wide buildings by minimizing spatial constraints, reducing the risk of equipment tipping, and ensuring safe material transport and removal, even when mobile cranes are not feasible.

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Abstract

The present invention provides a demolition assistance device, etc., that can suitably demolish large buildings even under conditions where spatial constraints exist. [Solution] The demolition assist device 2 demolishes the demolition area 10 of the building 1 along the demolition direction. The demolition assist device 2 comprises a main frame 21 made of column members 211 and beam members 212, hoists 24 and 27 that are movable by slide rails 22, 23, 25 and 26 provided at the upper end of the main frame 21, scaffolding 28 connected to the main frame 21 for demolishing the outer wall 12 along the demolition direction, a cantilevered stage 214 provided at the front of the main frame 21 in the demolition direction and used when demolishing the structure of the demolition area 10, and guide rails 29 for moving the main frame 21 in the demolition direction.
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