Prestressed high-strength concrete pile without end plate connection

By designing a structure including concrete piles, first ring and second ring in prestressed high-strength concrete piles, the plug-in and bolt connection between the straight barrel and the insertion rod are solved, and the stability problem caused by the small contact surface is solved. Improves docking stability and eliminates safety risks.

CN222313974UActive Publication Date: 2025-01-07HANCHUAN SOUTH ZHEJIANG JINSHI BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202421051364.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-07
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

When the prestressed high-strength concrete piles connected without end plates are connected, due to the small contact surface and are fixed by bolts, it is prone to rust problems, which reduces the stability of the connection and poses safety hazards.

Method used

A structure including concrete piles, first ring and second ring is designed, and the connection is increased by inserting the notch of the insert rod and the second ring through the straight barrel in the installation structure, and connected by bolts. The contact area changes the traditional end plate connection form and improves docking stability.

Benefits of technology

By increasing the contact area at the connection, the docking stability of prestressed high-strength concrete piles connected without end plates is improved, eliminating safety hazards.

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Abstract

The utility model relates to the technical field of prestressed high-strength concrete piles, in particular to a prestressed high-strength concrete pile without end plate connection, which comprises a concrete pile and a first circular ring, the front surface of the concrete pile is fixedly connected with the rear end surface of the first circular ring, and the outer wall of the first circular ring is connected with a mounting structure. The rear end faces of the concrete piles are connected with second circular rings, the inner wall of the mounting structure is connected with a supporting structure, a bottom straight cylinder of a second concrete pile in the mounting structure is connected with the second circular rings mounted at the tops of the concrete piles in the foundation pit in an inserted mode, and then inserting rods on the inner wall of the straight cylinder are connected with notches in the outer walls of the second circular rings in an inserted mode. And then a bolt penetrates through the straight cylinder from outside to inside to be connected with a second circular opening of the second circular ring outer wall, butt joint of the concrete piles is completed, the contact area of the joint is increased, the end plate connection mode is changed, the butt joint stability of the prestressed high-strength concrete piles without end plate connection is improved, and potential safety hazards are eliminated.
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