Civil engineering work device

The civil engineering work device, controlled by a locking linkage device and a rotation sensor, solves the problems of wire entanglement caused by the rotation of the drive shaft and the integrated rotation of the excavation device, thus achieving the maintenance of the static state of the drive shaft and improving work efficiency.

CN122407073APending Publication Date: 2026-07-17株式会社多摩机电

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
株式会社多摩机电
Filing Date
2025-01-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing civil engineering equipment, the torque of the drive shaft causes rotation through bearing friction, which leads to wire entanglement problems, and the rotation of the excavation device and the housing as a whole reduces the efficiency of the operation.

Method used

The system employs a locking linkage device, which maintains the drive unit in a stationary state through a relative rotation sensor and control device between the drive shaft and the locking linkage device. The stationary state of the drive shaft is maintained by a pinion and internal gear structure, and the working depth is monitored by a depth sensor.

Benefits of technology

It effectively prevents the drive shaft from rotating, avoids wire entanglement, improves work efficiency, and maintains stable operation of the device in muddy and watery environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明的目的在于提供即使在套管的旋转力经由卡定体而作用于驱动装置的情况下也能够维持驱动装置的静止状态的土木作业装置。包括驱动装置(122)、卡合装置(124)、卡合体联动装置(126)和配件(118)的土木作业装置(100)向套管(102)内插入。利用液压缸(172)将驱动轴(226)拉起,构成卡合装置的卡合体(184)向扩径方向移动,与套管(102)的内周面(102i)压接。利用套管的旋转使土木作业用的配件一体旋转。由作用于驱动轴的转矩产生的驱动装置的旋转由相对旋转传感器(258)检测,为了消除由相对旋转传感器(258)检测到的相对旋转角的偏差,而利用旋转驱动装置(136)的旋转使驱动装置(122)向相反方向旋转,将驱动装置(122)保持在静止状态。
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