Construction device and construction method for preventing tube push bench and tube joint from rotating by pull rod

Abstract

The invention provides a construction device and a construction method for preventing a tube push bench and a tube joint from rotating by a pull rod. The device comprises a female head positioning sleeve, a male head positioning inserted rod, a bearing pull sheath, a bearing pull cylinder, a sliding rail support, a sliding sleeve ring, a rigid rotation limiting pull rod base section and a rigid rotation limiting pull rod extension section. The method includes the steps: firstly, embedding the sliding rail support, the female head positioning sleeve, the male head positioning inserted rod and the bearing pull sheath; secondly, welding the female head positioning sleeve on the inner side of the tube push bench; thirdly, jacking the tube push bench and limiting rotation of the tube push bench; fourthly, jacking the follow-up tube joint and limiting rotation of the follow-up tube joint. The tube push bench and the tube joint are effectively prevented from rotating in the jacking process by taking the technical measure of active deviation prevention, and the device is clear in working principle, convenient to operate and high in reliability, so that construction efficiency is greatly improved.

Description

technical field [0001] The invention relates to a construction device and a construction method in the technical field of underground construction engineering, in particular to a construction device and a construction method for preventing a pipe jacking machine and a pipe joint from rotating with a pull rod. Background technique [0002] The pipe jacking method has the characteristics of high construction efficiency and strong economy, and is the main construction method for small and medium-sized underground tunnels in soft ground. This construction method needs to jack the pipe jacking machine into the underground soil layer first, and then relay jacking of the subsequent pipe joints. During the jacking process, when the frictional resistance between the pipe jacking machine and the jacked pipe joint and the soil cannot balance the reverse moment brought by the rotation of the pipe jacking machine cutter head, the pipe jacking machine and the jacked pipe joint Rotation w...

AI Technical Summary

Problems solved by technology

The anti-rotation device described in this patent needs to repeatedly move the weight block according to the rotation trend of the pipe jacking machine and the pipe joint during use, and the construction efficiency is low; moreover, due to the The reverse torque changes at any time, and the pressure weight required to balance the reverse torque also changes at any time. It is difficult to determine the weight of the pressure block during actual operation. Rotating devices and methods often have deflection correction insufficient or excessive deflection correction, low reliability and hidden dangers

Therefore, although the anti-rotation device described in this patent solves the problem of how to correct the deviation after the rotation of the pipe jacking machine and the pipe joint to a certain extent, it has disadvantages such as low construction efficiency, low reliability, and hidden dangers.

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