Method and device for checking the pre-installation of cutting rings on pipes

A cutting ring and pre-installation technology, which is applied in the field of pre-installation devices, can solve the problems that the cutting ring cannot ensure the quality of the workmanship and cannot realize complete inspection, and achieve the effect of a uniform light field
CN108759710BActive Publication Date: 2021-03-16VOSS FLUID
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
VOSS FLUID
Publication Date
2021-03-16

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Abstract

The present invention relates to a method (101) and a device (3) for checking the pre-assembly of a cutting ring (1) on a tube (2). The method (101) comprises: checking the pre-assembly of a cutting ring (1) on a tube (2) with a device (3) having at least one optical detection device (4) for capturing (102) image data in a detection region (5); detecting (102) at least first image data of at leastone tube (2) with the pre-assembled cutting ring (1) partially inserted into the detection area (4); evaluating (103) at least a part of the first image data with respect to a position of the cuttingring (1) to the tube (2) and / or geometric properties of the tube (2) and / or geometric properties of the cutting ring (1).
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Description

technical field

[0001] The invention relates to a method for checking, in particular for optically checking, the pre-assembly of cutting rings and to a device for checking the pre-assembly of cutting rings. Background technique

[0002] Cutting ring screw joints generally have a coupling sleeve, a union nut that can be screwed onto the coupling sleeve, and a cutting ring arranged between the coupling sleeve and the union nut. The cutting ring is firstly pre-mounted on the pipe, in particular in a defined position in the end region of the pipe, before the final installation of the cutting ring screw joint. At least one cutting surface of the cutting ring penetrates at least partially into the surface of the pipe during pre-installation.

[0003] The quality of the cutting ring helical engagement can be affected to a significant extent by pre-installation. Important factors determining the quality are the cutting path in the axial direction, the cutting depth in the radial d...

Claims

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