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Monitoring method of relative position during butt joint process of large flanges of horizontal vessels

A technology of relative position and large flange, which is applied in the field of monitoring the relative position of the large flange of a horizontal container during the docking process, can solve the problems of lack of monitoring devices for horizontal large flanges and difficulty in grasping the docking accuracy, and achieve convenient measurement, simple structure, and application wide range of effects

Inactive Publication Date: 2017-01-25
NORTHWEST INST OF NUCLEAR TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] In order to solve the technical problems of the lack of effective monitoring devices in the butt joint process of horizontal large flanges and the difficulty in grasping the butt joint accuracy, the present invention provides a method and device for monitoring the relative position of the large flange butt joint process of horizontal containers

Method used

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  • Monitoring method of relative position during butt joint process of large flanges of horizontal vessels
  • Monitoring method of relative position during butt joint process of large flanges of horizontal vessels
  • Monitoring method of relative position during butt joint process of large flanges of horizontal vessels

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Embodiment

[0061] Example: During the butt joint process of large flanges of a horizontal container, since the flange diameter of the container is 3.2m, two O-shaped rubber sealing rings are installed on the end face of the flange, and the end face of the flange is in a state perpendicular to the ground. If it cannot be accurately docked and placed in place at one time, it will easily cause damage to the rubber sealing ring and rework, and cause time delays in the installation process of super-large equipment, resulting in huge economic losses. In order to avoid the above situation, in the past work, personnel use calipers and board rulers to measure and check. Due to high-altitude operations, inconvenient measurement methods and measurement locations (the measurement location is at a maximum of 4.5m), it is difficult to meet the requirements for measurement efficiency and measurement accuracy. After adopting the technology of the invention, due to the improvement of the measurement meth...

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Abstract

The invention provides a method and a device for monitoring relative positions in horizontal large vessel flange butt-joint procedures. The device comprises a measuring portion and a recording portion. The measuring portion comprises a X-axis and Y-axis positioning portion and a Z-axis positioning portion, the X-axis and Y-axis positioning portion can sense the positions of contact points of touch screens by the aid of sharp and thin contactors of capacitance dial gauges, communication parameter setting and data analysis and conversion functions can be implemented by the aid of additional circuits, and accordingly X-axis and Y-axis coordinates of the positions of the contact points can be instantly determined and displayed; the Z-axis positioning portion can directly utilize measuring and displaying functions of the capacitance dial gauges to instantly position and display Z axes. The method and the device have the advantages that the method and the device are combined with each other, so that X-axis, Y-axis and Z-axis coordinates can be instantly determined and displayed, measurement can be facilitated, the method and the device are proper in precision and have definite practical significance in improving large flange butt-joint mounting quality and sealing performance, and requirements can be met.

Description

technical field [0001] The invention relates to a method and a device for measuring relative positions when two vertically parallel end faces approach each other, in particular to a method and a device for monitoring relative positions during the butt joint process of large flanges of a horizontal container, belonging to the category of mechanical quantity measurement of the positions of two vertically parallel end faces. Background technique [0002] The large horizontal container flange of the present invention refers to a horizontal container flange whose diameter is obviously larger than the height of an adult, which is not convenient for operators to directly observe the docking process, and is easy to cause accidental damage to the rubber ring during the docking process. [0003] The three-coordinate measuring machine is one of the existing measuring devices for mechanical parts or structures. The three-dimensional is a general-purpose length measurement tool for measu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/00
Inventor 霍宏发刘峻岭郭晓辉张敏李家武
Owner NORTHWEST INST OF NUCLEAR TECH
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