A tunnel segment push-pull beam threading machine and tensioning jack installation integrated device

By designing an integrated device for pushing and pulling tendon threading machine and tensioning jack installation on tunnel segments, the problem of threading prestressed tendons and installing tensioning jacks in tunnel construction has been solved, achieving efficient and flexible construction operation and adapting to the construction needs of confined spaces.

CN224363958UActive Publication Date: 2026-06-16LIUZHOU OVM MASCH CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIUZHOU OVM MASCH CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing technologies, the installation of prestressed tendon threading and tensioning jacks in tunnel construction is difficult, inefficient, and poses safety hazards due to the challenges of operation in confined spaces.

Method used

An integrated device for installing prestressed tendons and tensioning jacks in tunnel segments was designed. It adopts a walking guide rail and a walking frame, combined with a robotic arm and motor drive, to realize the rapid movement and positioning of prestressed tendons and the flexible installation of tensioning jacks, which is suitable for narrow tunnel spaces.

Benefits of technology

It improves the efficiency of prestressed tendon threading and tensioning jack installation, reduces construction difficulty, enhances construction safety, and adapts to tensioning requirements of different models and angles.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224363958U_ABST
    Figure CN224363958U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of push-pull threading machines and tensioning jack installation integrated devices for tunnel segment, belong to tunnel segment threading technical field, solve the technical problem of large space occupied by existing threading equipment, construction difficulty is big.The utility model includes walking guide rail, guide rail support for installing walking guide rail in the reserved mounting hole of tunnel segment or segment embedded anchorage device, walking guide rail slidingly is equipped with walking rack, locking mechanism is equipped between walking guide rail and walking rack, and walking rack is respectively equipped with push-pull threading machine, first tensioning jack;It also includes control module, and control module is electrically connected with the oil supply system of push-pull threading machine, first tensioning jack.The utility model is along tunnel segment laying walking guide rail and installs walking rack, and by moving walking rack, it solves the installation, positioning and support bearing problem of different point position, simultaneously, in walking rack integration push-pull threading machine, tensioning jack, threading and tensioning operation can be conveniently carried out, and efficiency is high.
Need to check novelty before this filing date? Find Prior Art