Pipeline aperture deformer for trenchless pipeline laying

A non-excavation, deformation instrument technology, applied in instruments, measuring devices, using fluid devices, etc., to achieve the effects of high test accuracy and convenient control and operation

Inactive Publication Date: 2012-05-30
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional pulling rod method can only qualitatively measure the degree of deformation

Method used

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  • Pipeline aperture deformer for trenchless pipeline laying
  • Pipeline aperture deformer for trenchless pipeline laying
  • Pipeline aperture deformer for trenchless pipeline laying

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Such as figure 1 , figure 2 , image 3 , Figure 7 , Figure 8 , Figure 9 As shown, the non-excavation pipe laying pipeline aperture deformation instrument, it includes deformation frame 35, transfer rod 26, oil cylinder amplification mechanism, displacement sensor, sensor chamber 15, centralizer 36; The right end of the connecting cylinder 9 of the frame is fixedly connected (such as threaded connection or welding, figure 2 The left side is left, and the right is right), the large piston 11 of the oil cylinder amplification mechanism is fixedly connected (as threaded or welded) with the right end of the mandrel 10 of the deformation frame by the transfer rod 26, and the right end of the oil cylinder block 13 of the oil cylinder amplification mechanism and the left end of the sensor chamber 15 are fixedly connected (such as threaded connection or welding); the displacement sensor 24 is located in the sensor chamber 15, and the displacement sensor 24 is fixed by ...

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PUM

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Abstract

The invention relates to a pipeline aperture deformer for trenchless pipeline laying, which is characterized by comprising a deformation rack, a conveying rod, an oil cylinder amplification mechanism, a displacement sensor and a sensor storehouse, wherein a big piston of the oil cylinder amplification mechanism is fixedly connected with the right end of a mandrel of the deformation rack, and a right end part of the oil cylinder body of the oil cylinder amplification mechanism is fixedly connected with a left end part of the sensor storehouse; the displacement sensor is positioned in the sensor storehouse, the displacement sensor is fixed by the oil cylinder body of the oil cylinder amplification mechanism through a sensor bracket, and the left end of a touch rod of the displacement sensortouches with a small piston of the oil cylinder amplification mechanism; the deformation rack comprises a supporting body, a deformation claw, an open spring, a wringing seat, a rear supporting body,a recycling spring, a connection cylinder and a mandrel. The invention has the characteristic of high test precision.

Description

technical field [0001] The invention relates to a non-excavation pipe laying pipe aperture deformation instrument. Background technique [0002] The construction and maintenance of underground pipeline network is a huge industry. At present, the trenchless pipeline laying method has gradually replaced the manual excavation laying method with its huge advantages. However, due to the influence of construction technology factors and concealment, it is often The deformation of the pipeline, such as the deformation of the inflection point caused by bending, the deformation caused by the stretching of the pipeline, etc., although the construction can be completed, these invisible and intangible deformations make the construction quality unable to be guaranteed, often causing the target pipeline contained in it to be under construction. Failed during secondary pass installation. When measuring the diameter of pipelines laid by trenchless technology, the traditional method is to us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B13/24
Inventor 胡郁乐夏阳张恒春陶扬
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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