Steel bar bending device for constructional engineering

By using a hydraulically driven clamping mechanism and a deformation layer to compensate for the irregularity of the steel bar cross section, combined with a length adjustment mechanism and marking plate scale lines, the problem of insufficient bending accuracy of existing steel bar bending devices on steel bars of different diameters is solved, and high-precision steel bar bending operation is achieved.

CN224073228UActive Publication Date: 2026-04-03SHANDONG ZIJIAN GRP
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Patent Information

Application Number
CN202520884248.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-04-03
Estimated Expiration
2035-05-07

AI Technical Summary

Technical Problem

Existing rebar bending devices are difficult to adapt to rebars of different diameters. Furthermore, during the bending process, the irregular cross-section of the rebar leads to unstable contact, easy slippage, affecting bending accuracy, reducing construction quality, and increasing costs.

Method used

The clamping mechanism, driven by a hydraulic cylinder, combined with a deformation layer and guide columns, compensates for the irregularity of the steel bar cross section through the deformation layer. In conjunction with the length adjustment mechanism and the scale lines on the marking plate, it ensures the bending accuracy and the precision of the length adjustment.

Benefits of technology

It improves the precision of rebar bending and the accuracy of length adjustment, reduces rebar swaying, and ensures construction quality and material utilization efficiency.

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Abstract

The utility model relates to the technical field of constructional engineering equipment, and discloses a constructional engineering steel bar bending device which comprises a bending machine body, the top end of the bending machine body is fixedly connected with a supporting plate, the interior of the supporting plate is fixedly connected with a limiting column, and a clamping mechanism is installed in the limiting column. Adjusting plates are fixedly connected to the left side and the right side of the top end of the bending machine body, and length adjusting mechanisms are installed on the tops of the adjusting plates. And the clamping mechanism comprises a hydraulic cylinder, the exterior of the hydraulic cylinder is fixedly connected to the right side of the interior of the limiting column, the driving end of the hydraulic cylinder is fixedly connected with a connecting plate, and guide columns are fixedly connected to the four corners of the right side of the connecting plate. In the utility model, the clamping plate clamps the steel bar, and the section of the steel bar is irregular, so that the deformation layer can deform according to the shape of the steel bar, thereby reducing the shaking of the steel bar and effectively improving the bending precision of the steel bar.
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