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Wall thickness measurement tool of simple and cylindrical cabin casting

A cylindrical and cabin technology, applied in the field of wall thickness measuring tools for simple cylindrical cabin castings, can solve the problem of inability to measure the deep wall thickness of cylindrical cabin castings, no pits and protrusions, ultrasonic wall thickness measurement The instrument is not competent and other problems, to achieve the effect of convenient and quick reading, simple and easy to use structure, and improve detection efficiency

Pending Publication Date: 2019-08-23
BEIJING HANGTIAN XINFENG MECHANICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Ultrasonic thickness gauges are often used to measure the wall thickness of cylindrical cabins, but the surface of the measured object must be smooth and flat without defects such as pits and protrusions. Ultrasonic wall thickness gauges are not up to the task
Other common size measuring tools, such as vernier calipers and micrometers (also known as screw micrometers), cannot measure the wall thickness in the depth of the cylindrical cabin casting

Method used

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  • Wall thickness measurement tool of simple and cylindrical cabin casting
  • Wall thickness measurement tool of simple and cylindrical cabin casting
  • Wall thickness measurement tool of simple and cylindrical cabin casting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Measuring tools include: S-type stylus I, S-type stylus II, millimeter scale, rivet shaft, and rotating shaft.

[0026] The S-shaped stylus I is an S-shaped flat steel structure (with a thickness of H), and there is a φ4-φ6mm through-hole at the center of the S-type, and the upper and lower parts are symmetrical about the center of the through-hole. The bottom end of the S-type stylus I is a ball head with a diameter of φ0.5~φ2mm. The top end is tapered and has a symmetrical through groove about the central plane inward from the end. The width of the through groove is smaller than the thickness of the millimeter scale. 0.08~0.15mm larger, and at the same time, there is a shaft installation hole along the thickness direction of the S-type stylus I on the groove. The hole diameter is 0.02-0.05mm smaller than the outer diameter of the shaft. The distance L of the end face (face A) is 3 to 5 mm. The uppermost side end surface (surface A) of the S-type stylus I passes throu...

Embodiment 2

[0034] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] A simple measuring tool for the wall thickness of cylindrical cabin castings, which solves the problem of measuring the wall thickness of cylindrical cabins with uneven surfaces in the casting state. The measuring tools include: S-type stylus I1, S-type stylus II2, millimeter scale 3 , rivet shaft 4, rotating shaft 5; S-type stylus I1 is an S-type 4mm thick flat steel structure, and there is a φ5mm through hole in the center of the S-type, and the upper and lower parts are symmetrical about the center of the through hole. The lowermost end of the S-type stylus I1 is a φ0.6mm ball head, the uppermost end is tapered and has a symmetrical through groove about the central plane inward from the end, the width of the through groove is larger than the thickness of the millimeter scale 3 At the same time, there is a shaft installation hole alon...

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Abstract

A wall thickness measurement tool of simple and cylindrical cabin casting comprises a millimeter dividing scale 3 and is characterized by also comprising an S-shaped test needle I1, an S-shaped test needle II2, a rivet shaft 4 and a rotation shaft 5, wherein the S-shaped test needle I is of an S-shaped flat steel structure member, a through hole is formed in a central position of the S-shaped flatsteel structure member, an upper part and a lower part are in a symmetric shape about a center of the through hole, a ball is arranged at the lowermost end of the S-shaped test needle I, a plane where a side end surface of the uppermost part of the S-shaped test needle I passes through an axis of the through hole and is tangent to the ball, the shape of the S-shaped test needle II2 and the shapeof the S-shaped test needle I are in left-right symmetry, and the rivet shaft 4 is arranged on the through hole 12 of the S-shaped test needle I1 and the through hole of the S-shaped test needle II2.By the wall thickness measurement tool, the problem of surface wall thickness measurement of the cylindrical irregularly-shaped casting is solved, the measurement tool is simple and practical in construction, reading is convenient and rapid, a measurement error is far smaller than casting tolerance requirement, and the wall thickness detection efficiency of the cabin casting can be substantially improved.

Description

technical field [0001] The invention relates to a simple measuring tool for the wall thickness of a cylindrical cabin casting, which relates to the measurement of the wall thickness of a cylindrical cabin in a casting state and belongs to the field of size measurement. Background technique [0002] Ultrasonic thickness gauges are often used to measure the wall thickness of cylindrical cabins, but the surface of the measured object must be smooth and flat without defects such as pits and protrusions. Ultrasonic wall thickness gauges are not up to the task. Other common size measuring tools, such as vernier calipers and micrometers (also known as screw micrometers), cannot measure the wall thickness in the depth of the cylindrical cabin casting. Contents of the invention [0003] The purpose of the present invention is to provide a simple cylindrical cabin body casting wall thickness measuring tool, which solves the problem of measuring the wall thickness of the cylindrical...

Claims

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Application Information

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IPC IPC(8): G01B5/06
CPCG01B5/06
Inventor 黄大顺冯岩
Owner BEIJING HANGTIAN XINFENG MECHANICAL EQUIP
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