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Positioning device and method for ensuring equal protruding lengths at both ends of core-through bolts

A technology of core-through bolts and positioning devices, which is applied in the field of positioning devices. It can solve the problems of different extension lengths at both ends of the core-through bolts, and the extension length is not easy to grasp, so as to reduce operation steps, ensure installation quality, Improve the effect of construction progress

Active Publication Date: 2016-11-30
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the prior art, the core-through bolts are manually installed, and it is not easy for workers to grasp the protruding lengths of both ends of the core-through bolts during construction, resulting in the problem that the protruding lengths of the two ends of the core-through bolts are different. The purpose of the present invention is to Provide a positioning device for installing and controlling the protruding length of the core bolt, accurately control the protruding length of both ends of the core bolt during the installation process, and provide a method

Method used

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  • Positioning device and method for ensuring equal protruding lengths at both ends of core-through bolts
  • Positioning device and method for ensuring equal protruding lengths at both ends of core-through bolts
  • Positioning device and method for ensuring equal protruding lengths at both ends of core-through bolts

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Embodiment Construction

[0031] Such as Figure 1 to Figure 7 As shown, a positioning device of the present invention used to ensure that the two ends of the core bolts extend out to the same length includes a base 1, a guide rail 2 and a positioning collar 3 (3'), the guide rail 2 is vertically arranged on the base 1, and the guide rail 2 is provided with a groove 21 penetrating to the base 1, the guide rail 2 is provided with a scale 22, the zero mark line of the scale 22 is flush with the bottom surface of the base 1, the positioning collar 3 is set on the guide rail 2, and the inside of the positioning collar 3 is set There are projections 31 (31') adapted to the slots 21, and the positioning collar 3 (3') is provided with fastening screws 32 (32').

[0032] The specific structure of the present invention will be described in detail below in conjunction with specific embodiments.

[0033] first embodiment

[0034] Such as figure 1 As shown, the groove 21 is a V-shaped groove (of course, the gr...

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Abstract

The invention discloses a positioning device and method used for guaranteeing two ends of a core-penetrating bolt to be equal in extending length and mainly aims to solve the problem that the two ends of the core-penetrating bolt are different in extending length due to the fact that the core-penetrating bolt is mounted manually in the prior art. The positioning device comprises a base, a guide rail and a positioning ferrule, the guide rail is vertically arranged on the base and provided with a groove penetrating the base and a scale, a zero graduation line of the scale is flush with the undersurface of the base, the positioning ferrule is disposed on the guide rail in a sleeved manner, a convex block matched with the groove is arranged on the inner side of the positioning ferrule, and a fastening screw used for locking and fixing the positioning ferrule on the guide rail is arranged on the positioning ferrule. By the positioning device and method, extending length of the two ends of the core-penetrating bolt can be controlled accurately in the process of mounting.

Description

technical field [0001] The invention relates to the technical field of engineering equipment installation, in particular to a positioning device and method for ensuring that the protruding lengths of both ends of a core-through bolt are equal. Background technique [0002] In the process of engineering equipment installation, pipeline installation is very common. As a common pipeline connection method, flange connection means that flanges are cast at both ends of the pipeline, and there is a seal on the end face of the flange. The groove is equipped with a sealing ring, and the pipes are tightly connected together with bolts or core bolts after butt joint. The flange connection method is widely used in pipeline connections in many fields such as electric power, petroleum and chemical industry. Usually, there will be liquid in the connected pipeline, which is oil or other dangerous chemical raw materials, such as large transformers. The cooling oil circuit contains cooling o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/10
CPCB23P19/06
Inventor 王伟苗培青高华伟朱毅单波韩义成陈新刚刘宁李洋唐爽
Owner STATE GRID CORP OF CHINA
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